Transmission method and device, terminal and network side equipment

Abstract

The invention discloses a transmission method and device, a terminal and network side equipment, and belongs to the technical field of communication, and the transmission method comprises the steps that the terminal determines a target communication mode used for sending a target signal or a target channel from a plurality of communication modes; and the terminal sends the target signal or the target channel based on the target communication mode.

Description

Technical Field

[0001] This application belongs to the field of communication technology, specifically relating to a transmission method, apparatus, terminal, and network-side equipment. Background Technology

[0002] In related technologies, a terminal can integrate a first module (such as a main communication module) and a second module (such as an ultra-low power communication module). The first module has higher data rate and spectral efficiency, but also higher power consumption, which reduces the terminal's battery life if left on for extended periods. The second module, on the other hand, has lower data rate and spectral efficiency, but extremely low power consumption. Different modules correspond to different communication modes. In related technologies, the terminal's communication mode is fixed by default, such as defaulting to using the first module to send uplink channels or signals, resulting in poor flexibility. Summary of the Invention

[0003] This application provides a transmission method, apparatus, terminal, and network-side device that can solve the problem of poor flexibility in terminal signal transmission or channel.

[0004] Firstly, a transmission method is provided, the method comprising:

[0005] The terminal determines the target communication mode for transmitting the target signal or target channel from multiple communication modes;

[0006] The terminal transmits the target signal or target channel based on the target communication mode.

[0007] Secondly, a transmission method is provided, the method comprising:

[0008] The network-side device sends first configuration information to the terminal, the first configuration information being used to determine the target communication mode for sending the target signal or target channel.

[0009] Thirdly, a transmission device is provided, comprising:

[0010] The processing module is used to determine the target communication mode for transmitting the target signal or target channel from multiple communication modes;

[0011] The transmitting module is used to transmit the target signal or target channel based on the target communication mode.

[0012] Fourthly, a transmission device is provided, comprising:

[0013] The sending module is used to send first configuration information to the terminal, wherein the first configuration information is used to determine the target communication mode of the target signal or target channel to be sent.

[0014] Fifthly, a transmission device is provided, the device being configured to perform the steps of the method described in the first aspect, or to implement the steps of the method described in the second aspect.

[0015] In a sixth aspect, a terminal is provided, the terminal including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the first aspect.

[0016] Seventhly, a terminal is provided, including a processor and a communication interface, wherein,

[0017] A processor for determining a target communication mode from multiple communication modes for transmitting a target signal or target channel;

[0018] A communication interface for transmitting the target signal or target channel based on the target communication mode.

[0019] Eighthly, a network-side device is provided, the network-side device including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the second aspect.

[0020] Ninthly, a network-side device is provided, including a processor and a communication interface, wherein,

[0021] A communication interface is used to send first configuration information to the terminal, wherein the first configuration information is used to determine the target communication mode for sending a target signal or target channel.

[0022] In a tenth aspect, a readable storage medium is provided, on which a program or instructions are stored, which, when executed by a processor, implement the steps of the method described in the first aspect, or implement the steps of the method described in the second aspect.

[0023] Eleventhly, a wireless communication system is provided, comprising: a terminal and a network-side device, wherein the terminal can be used to perform the steps of the method as described in the first aspect, and the network-side device can be used to perform the steps of the method as described in the second aspect.

[0024] In a twelfth aspect, a chip is provided, the chip including a processor and a communication interface coupled to the processor, the processor being configured to run programs or instructions to implement the method as described in the first aspect, or to implement the method as described in the second aspect.

[0025] In a thirteenth aspect, a computer program / program product is provided, which is stored in a storage medium and is executed by at least one processor to implement the method as described in the first aspect, or to implement the method as described in the second aspect.

[0026] In this embodiment, the terminal determines a target communication mode from multiple communication modes for transmitting a target signal or target channel; the terminal then transmits the target signal or target channel based on the target communication mode. This allows the terminal to select the target communication mode from multiple communication modes for transmitting the target signal or target channel, improving the flexibility of the terminal in transmitting the target signal or target channel. Attached Figure Description

[0027] Figure 1 This is one of the block diagrams of a wireless communication system applicable to the embodiments of this application;

[0028] Figure 2 This is a schematic diagram of the hardware system architecture and modulation principle of backscatter communication in related technologies;

[0029] Figure 3 This is a second block diagram of a wireless communication system applicable to the embodiments of this application;

[0030] Figure 4 This is one of the wireless communication module architecture diagrams applicable to the embodiments of this application;

[0031] Figure 5a This is a second wireless communication module architecture diagram applicable to the embodiments of this application;

[0032] Figure 5b This is the third wireless communication module architecture diagram applicable to the embodiments of this application;

[0033] Figure 5c This is the fourth wireless communication module architecture diagram applicable to the embodiments of this application;

[0034] Figure 6a This is the fifth wireless communication module architecture diagram applicable to the embodiments of this application;

[0035] Figure 6b This is the sixth wireless communication module architecture diagram applicable to the embodiments of this application;

[0036] Figure 6c This is the seventh wireless communication module architecture diagram applicable to the embodiments of this application;

[0037] Figure 7 This is one of the flowcharts of a transmission method provided in the embodiments of this application;

[0038] Figure 8 This is a second flowchart of a transmission method provided in an embodiment of this application;

[0039] Figure 9 This is one of the structural schematic diagrams of a transmission device provided in the embodiments of this application;

[0040] Figure 10 This is a second schematic diagram of the structure of a transmission device provided in an embodiment of this application;

[0041] Figure 11 This is a schematic diagram of the structure of a communication device provided in an embodiment of this application;

[0042] Figure 12 This is a schematic diagram of the structure of a terminal provided in an embodiment of this application;

[0043] Figure 13 This is one of the structural schematic diagrams of a network-side device provided in the embodiments of this application;

[0044] Figure 14 This is a second schematic diagram of the structure of a network-side device provided in an embodiment of this application. Detailed Implementation

[0045] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0046] The terms "first," "second," etc., used in this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same class, not limited in number; for example, the first object can be one or more. Furthermore, "or" in this application indicates at least one of the connected objects. For example, the scope of protection for "A or B" covers at least three scenarios: Scenario 1: including A but not B; Scenario 2: including B but not A; Scenario 3: including both A and B. In addition, the terms "A and / or B," "at least one of A and B," and "at least one of A or B" also cover at least the above three scenarios. The character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0047] The term "instruction" in this application can be either a direct instruction (or explicit instruction) or an indirect instruction (or implicit instruction). A direct instruction can be understood as one in which the sender explicitly informs the receiver of specific information, the operation to be performed, or the requested result, etc., in the instruction sent. An indirect instruction can be understood as one in which the receiver determines the corresponding information based on the instruction sent by the sender, or makes a judgment and determines the operation to be performed or the requested result, etc., based on the judgment result.

[0048] It is worth noting that the technologies described in this application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), or other systems. The terms "system" and "network" in this application are often used interchangeably, and the described technologies can be used with the systems and radio technologies mentioned above, as well as with other systems and radio technologies. The following description describes New Radio (NR) systems for illustrative purposes, and the term NR is used in most of the following description; however, these technologies can also be applied to systems other than NR systems, such as 6th generation (6G) radio systems. th Generation 6G communication system.

[0049] Figure 1This diagram illustrates a block diagram of a wireless communication system applicable to embodiments of this application. The wireless communication system includes a terminal 11 and a network-side device 12. The terminal 11 can be a mobile phone, tablet computer, laptop computer, notebook computer, personal digital assistant (PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), augmented reality (AR), virtual reality (VR) device, robot, wearable device, flight vehicle, vehicle user equipment (VUE), shipboard equipment, pedestrian user equipment (PUE), smart home devices (home appliances with wireless communication capabilities, such as refrigerators, televisions, washing machines, or furniture), game consoles, personal computers (PCs), ATMs, or self-service machines, etc. Wearable devices include: smartwatches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart chains, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. Among these, in-vehicle devices can also be referred to as in-vehicle terminals, in-vehicle controllers, in-vehicle modules, in-vehicle components, in-vehicle chips, or in-vehicle units, etc. It should be noted that the specific type of terminal 11 is not limited in this application embodiment. Network-side equipment 12 may include access network equipment or core network equipment, wherein access network equipment may also be referred to as Radio Access Network (RAN) equipment, radio access network function, or radio access network unit. Access network equipment may include base stations, Wireless Local Area Network (WLAN) access points (APs), or Wireless Fidelity (WiFi) nodes, etc.The term "base station" can be referred to as Node B (NB), Evolved Node B (eNB), Next Generation Node B (gNB), New Radio Node B (NR Node B), Access Point, Relay Base Station (RBS), Serving Base Station (SBS), Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B (HNB), Home Evolved Node B, Transmit / Receive Point (TRP), or any other suitable term in the relevant field, as long as the same technical effect is achieved. The term "base station" is not limited to any specific technical terminology. It should be noted that this application embodiment only uses a base station in an NR system as an example for description and does not limit the specific type of base station.

[0050] Core network equipment, also known as core network nodes, core network functions, or core network elements, includes, but is not limited to, at least one of the following: Mobility Management Entity (MME), Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Server Discovery Function (EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (or L-NEF), and Binding Support Function. Support Functions (BSF), Application Functions (AF), Location Management Functions (LMF), Gateway Mobile Location Centres (GMLC), and Network Data Analytics Functions (NWDAF), etc. It should be noted that this application embodiment only uses core network equipment in the NR system as an example and does not limit the specific type of core network equipment. If the name of the core network equipment mentioned in this application embodiment changes in subsequent protocol versions (e.g., 6G), it will still be within the scope of protection of this application.

[0051] Optionally, the core network equipment can be implemented by one or more functional modules in a single device, or by multiple devices working together; this application does not specifically limit this. It is understood that the aforementioned functional modules can be network elements in hardware devices, software functional modules running on dedicated hardware, or virtualized functional modules instantiated on a platform (e.g., a cloud platform).

[0052] For ease of understanding, the following explains some aspects of the embodiments of this application:

[0053] 1. Ultra-low power communication technology

[0054] Backscatter communication is a representative technology of ultra-low power communication. In principle, backscatter communication devices control the reflection coefficient of the circuit by adjusting its internal impedance, thereby changing the amplitude, frequency, and phase of radio frequency signals from other devices or the environment, achieving signal modulation. For example... Figure 2 As shown, typical backscatter communication hardware modules include: an antenna unit, an energy harvesting module or power supply module, a microcontroller, a signal receiving module, a channel coding and modulation module, and a memory or sensing module. The signal receiving module is responsible for receiving downlink signals sent to the backscatter device by network-side devices or card readers. Its architecture and technology can reuse low-power wake-up receiver technology from related technologies. Since backscatter communication does not actively generate radio frequency signals, its power consumption is extremely low, typically between tens and hundreds of microwatts. The energy harvesting module can collect energy from the environment, such as radio frequency signals, light energy, and heat energy, to provide modulation, demodulation, and reflection of the signal, eliminating the need for its own battery or other power source. Alternatively, it can be powered by small power supply modules such as button batteries, thereby reducing the strength requirements of the power supply signal. In addition to the above typical components, backscatter communication devices can integrate low-power amplifier modules to improve receiving sensitivity and backscatter signal power.

[0055] 2. Non-IoT devices integrating ultra-low power communication modules

[0056] Ultra-low power communication modules are typically used alone in terminals with high requirements for power consumption, complexity, and battery life, such as IoT terminals. An extended application scenario is the use of ultra-low power communication modules in non-IoT devices such as mobile phones, including terminal and network-side devices. In this case, the device simultaneously possesses both a main communication module and an ultra-low power communication module. The main communication module has higher data rate and spectral efficiency, but also higher power consumption. Prolonged operation will reduce the device's battery life, making it suitable for transmitting large amounts of data in a short time. Conversely, the ultra-low power communication module may have lower data rate and spectral efficiency, but its power consumption is extremely low. It is suitable for transmitting small amounts of data over long periods, or for monitoring control plane signaling, avoiding or reducing additional latency caused by discontinuous reception (DRX). Figure 3 This diagram illustrates the information interaction between a terminal and a network-side device equipped with a main communication module and an ultra-low power communication module. The two devices exchange information via the ultra-low power communication module, and then interact with the main communication module within the device itself, such as the ultra-low power communication module waking up the main communication module for further operations.

[0057] in,

[0058] Main communication module: A module that supports traditional communication methods (such as 4G, 5G, etc.), such as a module that supports OFDM communication (including uplink and / or downlink);

[0059] Ultra-low power communication module: The ultra-low power communication module supports backscattering signal transmission (such as Device A or Device B in Ambient IoT) or low-power active carrier generation signal transmission (such as Device C in Ambient IoT) and / or supports low-power receiving modules (such as low-power wake-up receivers); optionally, the ultra-low power communication module can also support energy harvesting (harvesting energy from light, solar energy, wireless signals, etc.); for backscattering signal transmission, the excitation source signal can be generated by the terminal with the ultra-low power communication module itself or by other devices.

[0060] It should be noted that the power consumption of ultra-low power communication modules is significantly lower than that of main communication modules. For example, the power consumption of ultra-low power communication modules is generally tens to hundreds of microwatts, while the power consumption of main communication modules is generally tens to thousands of milliwatts. The cost of ultra-low power communication modules is also significantly lower than that of main communication modules.

[0061] 3. Architecture design for two communication modules sharing the physical layer (PHY)

[0062] When both the main communication module and the ultra-low power communication module (UHWHM) are integrated into the same device, they can share the same components to save hardware costs. Typically, a wireless communication module consists of important parts such as an antenna, baseband, and RF front-end. The main components of the RF front-end include an RF switch, a low-noise amplifier (LNA), a power amplifier (PA), a duplexer (DUX), and filters. For the transmit link, the amplifier is the PA, and the filter is the transmit (Tx) filter; for the receive link, the amplifier is the LNA, and the filter is the receive (Rx) filter. There are usually multiple filters, corresponding to different operating frequency bands, and the selection of filters is done through the RF switch. The duplexer is used to simultaneously implement transmit and receive functions on the same antenna, avoiding / reducing the receive link from receiving signals it itself transmits. Figure 4 This diagram illustrates a typical architecture of a wireless communication module. It should be noted that this architecture represents one possible implementation and is not unique; for example, the LNA / PA can be placed in different orders, and RF switches and filters can be integrated, etc.

[0063] From a coarse-grained perspective, hardware sharing can be roughly divided into eight scenarios, corresponding to whether the antenna, baseband, and RF front-end are shared, for example... Figure 5a The antenna and RF front-end are shared, but the baseband is independent; Figure 5b All three are independent; Figure 5c The antenna and RF front-end are independent, but the baseband is shared. Specifically, for Figure 5a In contrast, an RF switch is introduced at the RF front end for switching between different basebands during time-division multiplexing (TDM).

[0064] Different sharing methods have different characteristics, for example:

[0065] Independent RF front-ends can provide independent signal transmission / reception channels for different modules, reducing mutual interference;

[0066] The independent baseband can separate the signal processing of the two modules, and can completely shut down the MR baseband when the magnetic resonance (MR) is not working, thus minimizing power consumption.

[0067] When all hardware of the two modules is not shared, this approach minimizes interference between the two modules and increases scheduling flexibility, but it also has the highest cost.

[0068] When all hardware of the two modules is shared, it's equivalent to the MR processing both signals from the MR and the ultra-low power module simultaneously. This allows the MR to take over the processing of the ultra-low power module when it's not enabled or its performance is weak, eliminating the need for a network-side switch to the MR and reducing handover overhead.

[0069] When two modules share an RF front-end, it can be further subdivided into whether the two modules share some RF front-end components. RF front-end components include at least RF switches, PAs, LNAs, filters, and duplexers, and these components may or may not be shared. Figures 6a to 6c Several possible architectures are shown.

[0070] exist Figure 6a In the receiving link, all components are shared, and the received signal simultaneously enters the baseband of both the MR and ultra-low power modules. Similarly, in the transmitting link, all components are shared, and the signals generated by the basebands of the MR and ultra-low power modules are added together and transmitted through the same transmitting link. Since the two signals may operate in different frequency bands, the basebands of both modules must be capable of handling signals from both frequency bands.

[0071] exist Figure 6b In the receiving link, the LNA is shared and placed before two RF switches to uniformly amplify the signal. The signal then passes through two independent RF switches and filters, resulting in two separate signals that enter the baseband of the MR and ultra-low power modules, respectively. For the transmitting link, all components are shared, and a single RF switch switches between the MR and ultra-low power modules. This design minimizes the overhead of the MR and ultra-low power module basebands, as they only need to process their own signals, resulting in less mutual interference. However, since the transmitting link is time-division multiplexing, there is some scheduling overhead or complexity.

[0072] exist Figure 6c In the middle, receiving link and Figure 6a The transmission link uses independent RF switches, PAs, and filters. The two signals are generated independently, added together, and then transmitted through the antenna. This design requires the baseband of the MR and ultra-low power modules to be able to receive two signals (e.g., two signals in different frequency bands) while only needing to generate its own signal, placing higher demands on the baseband processing capabilities. Figure 6a Lower, but higher Figure 6b high.

[0073] 4. Random Access Procedure

[0074] In related technologies, the random access procedure can be either a contention-based random access procedure or a non-contention-based random access procedure. The random access procedure can be a four-step random access procedure (also called a Type-1 random access procedure) or a two-step random access procedure (also called a Type-2 random access procedure).

[0075] In the contention-based 4-step Random Access Channel (RACH) process, the User Equipment (UE, i.e., the terminal) first sends Msg1 to the network, containing a preamble. After detecting the preamble, the network sends Msg2 / Random Access Response (RAR) message, containing the number of the preamble detected by the network and the uplink radio resources allocated to the UE to send msg3. After receiving Msg2, the UE confirms that at least one of the preamble numbers carried in Msg2 matches the number of its own preamble. Then, according to the resources indicated by the RAR, it sends msg3 containing contention resolution information. After receiving msg3, the network sends msg4 containing contention resolution information. Upon receiving msg4, the UE confirms that the resolution information is consistent with what it sent in msg3, thus completing the 4-step random access process.

[0076] The network includes UL grant information in the RAR to indicate Msg3 Physical Uplink Shared Channel (PUSCH) scheduling information, and also includes information such as the Random Access Preamble ID (RAPID), Temporary Cell Radio Network Temporary Identifier (TC-RNTI), and Timing Advance (TA). If the network does not receive the Msg3 PUSCH, it can schedule a retransmission of the Msg3 PUSCH in the Physical Downlink Control Channel (PDCCH) scrambled with TC-RNTI.

[0077] In a contention-based random access procedure, different UEs randomly select a preamble for transmission. This means different UEs might select the same preamble for transmission on the same time-frequency radio resources (such as random access timing (RACH Occasion, RO) resources), a situation known as UE preamble conflict. In this case, different UEs will receive the same RAR (Range Access Registry). At this point, different UEs will transmit the Msg3 PUSCH according to the scheduling information in the RAR UL grant. Since related technologies do not support repeated transmission of the Msg3 PUSCH, the network can only resolve one UE-transmitted PUSCH (containing contention resolution information) on a single Msg3 PUSCH scheduling resource. Therefore, the network will include the contention resolution information received in Msg3 in Msg4. If the contention resolution information received by the UE in Msg4 matches the contention resolution information transmitted by the UE in Msg3 PUSCH, the UE considers the contention resolution successful. If they do not match, the contention resolution is considered unsuccessful.

[0078] If contention resolution fails, the UE will reselect RACH transmission resources to transmit via the Physical Random Access Channel (PRACH) for the next random access attempt.

[0079] In NR Rel-16, a two-step random access procedure (RACH) was introduced. The first step is for the UE to send MsgA to the network. Upon receiving MsgA, the network sends MsgB to the UE. If the UE does not receive MsgB within a certain time, it increments a counter counting the number of MsgA transmissions and retransmits MsgA. If the counter reaches a certain threshold, the UE switches from a two-step random access procedure to a four-step random access procedure. MsgA includes a MsgA preamble and a MsgA PUSCH. The preamble is sent on the Resource Object (RO) used for the two-step RACH, and the PUSCH is sent on the MsgA PUSCH resource associated with the MsgA preamble and RO. MsgAPUSCH resources are a set of PUSCH resources configured relative to each PRACH slot, including time-frequency resources and demodulation reference signal (DMRS) resources.

[0080] The following description, in conjunction with the accompanying drawings, details the transmission method, apparatus, and related equipment provided in this application through some embodiments and application scenarios.

[0081] See Figure 7 , Figure 7 This is a flowchart of a transmission method provided in an embodiment of this application, such as... Figure 7 As shown, the transmission method includes the following steps:

[0082] Step 101: The terminal determines the target communication mode from multiple communication modes for transmitting the target signal or target channel;

[0083] Step 102: The terminal sends the target signal or target channel based on the target communication mode.

[0084] The multiple communication modes can refer to communication modes that differ significantly in one or more aspects such as power consumption, frequency band, data rate, and transmission waveform. They can refer to different operating parameters used by the same communication hardware module, or they can be multiple different communication modules. Multiple communication modules can have at least one independent component at the physical layer, such as an RF front-end, antenna, or baseband, but it is also possible for all components to be completely independent.

[0085] This application applies to all devices that have more than one communication module or one communication module with multiple communication modes. Furthermore, multiple communication modules may each correspond to multiple communication modes. Therefore, in this application, communication module and communication mode can have the same meaning; that is, in one implementation, a communication mode can be replaced by a communication module.

[0086] For example, a terminal determines a target communication mode from multiple communication modes for transmitting a target signal or target channel, and the terminal transmits the target signal or target channel based on the target communication mode. This can mean that the terminal determines a target communication module from multiple communication modules for transmitting the target signal or target channel; the terminal transmits the target signal or target channel based on the target communication module. The multiple communication modules may include a first module (such as a main communication module) and a second module (such as an ultra-low power communication module).

[0087] The target signal or target channel may refer to the signal or channel before the terminal enters the connected state, or the target signal or target channel may refer to the signal or channel before the random access procedure is completed and the terminal enters the connected state, or the target signal or target channel may refer to the signal or channel during the random access procedure.

[0088] In one implementation, the target signal or target channel may include: all possible uplink signals sent by the terminal before successfully accessing the network and after successfully receiving the downlink signal sent by the network-side device for the first time, or all possible uplink signals sent by the terminal after successfully receiving the downlink signal sent by the network-side device for the first time during random access in other scenarios.

[0089] In one implementation, the target signal or target channel may include: all possible uplink signals sent by the terminal before successfully accessing the network and after receiving (not necessarily successfully receiving) a downlink signal sent by the network-side device that requires the terminal to provide ACK / NACK feedback; or all possible uplink signals sent by the terminal after receiving a downlink signal sent by the network-side device that requires the terminal to provide ACK / NACK feedback during random access in other scenarios; or PUCCH sent on public PUCCH resources.

[0090] In one implementation, the target signal or target channel may include all possible uplink reference signals sent by the terminal in a disconnected state or before successfully accessing the network.

[0091] In one implementation, the terminal can determine a target communication mode for transmitting a target signal or target channel from multiple communication modes based on first configuration information. The first configuration information can be determined based on at least one of the following: protocol-defined configuration, network-side device configuration, terminal-related information, predefined or pre-configured target rules, reasons for triggering random access, and request information sent to the network-side device; wherein the target rules are used to map terminal-related information to the target communication mode or the first configuration information.

[0092] In one implementation, the terminal can determine the target communication mode for sending the target signal or target channel from multiple communication modes based on at least one of the following: the configuration agreed upon by the protocol, the configuration of the network-side device, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, and the request information sent to the network-side device.

[0093] In one implementation, the terminal can select one communication mode from multiple communication modes to send a target signal or target channel. The sending can be done once or multiple times (multiple times correspond to repeated transmission or retransmission).

[0094] In one implementation, the terminal can select at least two communication modes from a plurality of communication modes to transmit a target signal or a target channel.

[0095] Future 6G terminals may integrate more than one communication mode or module. For example, they may integrate an ultra-low-power communication module on top of a traditional main communication module. The main communication module has high data rate and spectral efficiency, but also high power consumption. If it is left on for a long time, it will reduce the device's battery life. It is suitable for transmitting large amounts of data in a short time. On the other hand, the ultra-low-power communication module may have lower data rate and spectral efficiency, but its power consumption is very low. It is suitable for transmitting small amounts of data for a long time, or for monitoring control plane signaling to avoid or reduce additional latency caused by DRX. How to enable terminals with multiple communication modes or modules to access the network efficiently and reliably is still lacking a design, especially how to use multiple communication modes to coordinate the transmission of channels or signals related to initial access, maximizing energy-saving gains while ensuring performance.

[0096] This application provides a method for enabling a terminal device with multiple communication modes / modules to send uplink signals during random access or to enter a connectionless state. The terminal determines a target communication mode from multiple communication modes for sending a target signal or target channel. The terminal sends the target signal or target channel based on the target communication mode. The target signal or target channel may include Msg3, Msg4, or MsgB PUCCH during random access or a sounding reference signal (SRS) in the connectionless state, etc.

[0097] The transmission method described in this application embodiment can be a signal transmission method for a terminal with at least two communication modes to complete a random access process. It can realize the transmission of Msg3 using multiple communication modes; and / or the transmission of the uplink physical control channel (PUCCH) associated with Msg4 or MsgB using multiple communication modes; and / or the transmission of non-connection uplink reference signals (such as SRS) using multiple communication modes.

[0098] In this embodiment, the terminal determines a target communication mode from multiple communication modes for transmitting a target signal or target channel; the terminal then transmits the target signal or target channel based on the target communication mode. This allows the terminal to select the target communication mode from multiple communication modes for transmitting the target signal or target channel, improving the flexibility of the terminal in transmitting the target signal or target channel.

[0099] Optionally, the target communication mode includes at least two communication modes, and the terminal transmits the target signal or target channel based on the target communication mode, including any one of the following:

[0100] The terminal uses the at least two communication modes to transmit the target signal or target channel in a time-division transmission manner;

[0101] The terminal uses the at least two communication modes to transmit the target signal or target channel in a manner that is partially or completely overlapped in the time domain.

[0102] In one implementation, the terminal can select at least two communication modes from multiple communication modes to transmit the target signal or target channel at least once in a time-division manner. The terminal can transmit the target signal or target channel once or multiple times through each communication mode.

[0103] In one embodiment, the terminal can select at least two communication modes from multiple communication modes to transmit the target signal or target channel at least once in a manner that is partially or completely overlapped in the time domain. The terminal can transmit the target signal or target channel once or multiple times through each communication mode.

[0104] In this embodiment, the terminal uses the at least two communication modes to transmit the target signal or target channel in a time-division transmission manner, or the terminal uses the at least two communication modes to transmit the target signal or target channel in a time-domain partially overlapping or fully overlapping manner, which can improve the flexibility of the terminal in transmitting the target signal or target channel; furthermore, it can avoid the terminal defaulting to using the first module to transmit the uplink channel or signal, and can reduce the terminal power consumption.

[0105] Optionally, the method further includes:

[0106] The terminal acquires first configuration information, which is used to determine the target communication mode and / or to send the target signal or target channel.

[0107] The first configuration information may refer to the transmission configuration of the target signal or the target channel. For example, the first configuration information may include the transmission configuration of Msg3, or the transmission configuration of the PUCCH associated with Msg4 or Msg B, or the transmission configuration of SRS.

[0108] In this embodiment, the terminal obtains first configuration information and determines the target communication mode based on the first configuration information. In this way, the terminal can select the target communication mode according to the first configuration information, which can improve the flexibility of the terminal in sending target signals or target channels; and / or, the terminal sends the target signals or target channels based on the first configuration information, so that the terminal can send the target signals or target channels according to the first configuration information.

[0109] Optionally, the first configuration information indicates at least one of the following:

[0110] Communication modes used to transmit the target signal or target channel;

[0111] Whether to repeatedly transmit or retransmit the target signal or target channel;

[0112] The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0113] The format of single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0114] The transmission configuration of the target signal or target channel for single transmission, repeated transmission, or retransmission indicates the TCI status.

[0115] The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

[0116] The communication mode used to transmit the target signal or target channel can be characterized by a communication mode group or a communication mode set.

[0117] Among them, retransmission can refer to retransmission of data.

[0118] The resources for a single transmission, repeated transmission, or retransmission of the target signal or target channel may include time-domain, frequency-domain, or code-domain resources for each transmission.

[0119] The format of a single transmission, repeated transmission, or retransmission of the target signal or target channel may include: the cyclic prefix (CP) format or length for each transmission, subcarrier spacing (SCS), transport block set (TBS), DMRS configuration (such as DMRS port, DMRS pattern), modulation and coding scheme (MCS), extended sequence or sequence set (if the transmission resource includes a code domain), waveform, and transmission power (including initial transmission power, target transmission power, power ramp-up step size, etc.).

[0120] The Transmission Configuration Indicator (TCI) indicated by the first configuration information can be used to determine information such as quasi-co-location (QCL), beam or precoding, and path loss of the target signal or target channel.

[0121] Optionally, the first configuration information is determined based on at least one of the following:

[0122] The configuration agreed upon in the protocol, the network-side device configuration, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, the reason for triggering the target signal or target channel, and the request information sent to the network-side device;

[0123] The target rule is used to map terminal-related information to the target communication mode or the first configuration information.

[0124] The configuration agreed upon in the agreement can be understood as a pre-agreed configuration.

[0125] The protocol mentioned here can refer to a communication protocol, such as the 3rd Generation Partnership Project (3GPP) protocol.

[0126] Among them, terminal-related information can be used to characterize the state of the terminal.

[0127] The request information sent to the network-side device can be used to request the transmission configuration of the target signal or target channel.

[0128] In one embodiment, the network-side device and the terminal can pre-agree on the transmission configuration of the target signal or target channel, including the communication mode used, and the terminal and the network-side device respectively transmit and receive according to the pre-agreement configuration.

[0129] In one implementation, the reason for triggering random access can be associated with, or preferentially associated with, a transmission configuration of the target signal or target channel. Therefore, the transmission configuration of the target signal or target channel can be determined by the reason for triggering random access.

[0130] In one implementation, the cause of triggering a target signal or target channel can be associated with, or preferentially associated with, a transmission configuration of, the target signal or target channel. Therefore, the transmission configuration of the target signal or target channel can be determined by the cause of triggering it.

[0131] In one implementation, the terminal can send a request message to the network-side device, informing the network-side device of the requested transmission configuration; the network-side device can respond to the request message, indicating the transmission configuration of the target signal or target channel to the terminal.

[0132] In this embodiment, the terminal can determine the first configuration information according to at least one of the following: the configuration agreed upon in the protocol, the network-side device configuration, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, and the request information sent to the network-side device. Then, the terminal can determine the target communication mode for sending the target signal or target channel from multiple communication modes through the first configuration information, which can improve the flexibility of the terminal in sending the target signal or target channel. Furthermore, by determining the transmission configuration and transmission mode of the target signal or target channel through rules or configuration, the inconsistency between the understanding of the network-side device and the terminal can be avoided, thereby improving the transmission success rate.

[0133] Optionally, the terminal-related information includes at least one of the following:

[0134] The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process;

[0135] Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted;

[0136] The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process;

[0137] The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0138] Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted;

[0139] The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0140] The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access.

[0141] Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information.

[0142] The measurement quantity of the downlink reference signal of the terminal;

[0143] The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure;

[0144] Power-related information of the random access procedure;

[0145] Does the terminal support multiple communication modes?

[0146] The terminal needs to use the following features, key performance indicators (KPIs), or business requirements;

[0147] The operating conditions or KPIs of the multiple communication modes of the terminal;

[0148] Does the terminal support the simultaneous use of multiple communication modes?

[0149] The terminal supports a combination of communication modes that can be used simultaneously.

[0150] The location of the cell where the terminal is located;

[0151] The downlink reference signal or downlink reference signal group selected by the terminal;

[0152] The terminal selects at least one of the following random access parameters: Transmit / Receive Point (TRP), Frequency, Frequency Band, Subband, Carrier, and Synchronization Grid.

[0153] The transmission confirmation information may include ACK or NACK information.

[0154] The measurements of the downlink reference signal may include, but are not limited to, measurements of the Synchronization Signal Block (SSB) or the Channel State Information Reference Signal (CSI-RS). The measurements of the downlink reference signal reflect the condition of the wireless channel, thereby enabling the selection of the most suitable communication mode and transmission configuration in subsequent transmissions.

[0155] In addition, the type of random access procedure may include two-step or four-step random access. For example, when the network is configured with both 2-step RACH and 4-step RACH resources, and the terminal initially selects 4-step RACH, the transmission of the target signal or target channel can be carried out in a low-power mode.

[0156] For example, whether to switch from 2-step random access to 4-step random access. For instance, when using high-power mode to transmit the target signal or target channel during fallback, fallback may mean that the channel conditions are relatively poor, and subsequent transmission needs to select a transmission mode with better reliability.

[0157] The operating conditions or KPIs of the multiple communication modes of the terminal may include at least one of the following: waveform, modulation method, encoding method, frequency band, power consumption or battery level, reliability, and latency supported by the terminal.

[0158] For example, if the uplink signal or uplink channel transmission selected retransmission before the terminal transmits the target signal or target channel during random access, the transmission of the target signal or target channel can be carried out in a high-power mode. Thus, selecting retransmission implies that the channel conditions may be poor or the reliability requirements are high, allowing subsequent transmissions to choose a transmission mode that provides higher reliability, such as a high-power mode.

[0159] For example, if the uplink signal or uplink channel transmitted by the terminal is repeatedly transmitted before the terminal transmits the target signal or target channel during random access, and the number of repeated transmissions exceeds a certain threshold, it means that the channel conditions may be poor or the reliability requirements are high. Subsequent transmissions can choose a transmission mode that can provide higher reliability, and the transmission of the target signal or target channel can choose a high-power mode.

[0160] For example, if the received downlink signal or downlink channel is repeatedly transmitted before the terminal transmits the target signal or target channel during random access, it means that the channel conditions may be poor or the reliability requirements are high. Subsequent transmissions can choose a transmission mode that can provide higher reliability, and the transmission of the target signal or target channel can choose a high-power mode.

[0161] For example, if the received downlink signal or downlink channel is repeatedly transmitted and the number of repeated transmissions exceeds a certain threshold before the terminal transmits the target signal or target channel during random access, it means that the channel conditions may be poor or the reliability requirements are high. Subsequent transmissions can choose a transmission mode that can provide higher reliability, and the transmission of the target signal or target channel can choose a high-power mode.

[0162] For example, when the location of the cell where the terminal is located indicates a cell edge user, the transmission of the target signal or target channel can be selected in a high-power mode.

[0163] For example, for random access corresponding to a specific reference signal group, the corresponding target signal or target channel can be transmitted using high-power transmission; for random access corresponding to other reference signal groups, the transmission of the corresponding target signal or target channel can be transmitted using low-power transmission. It should be noted that the corresponding beam and coverage may differ under different reference signal groups, thus allowing for the use of different communication modes to transmit the target signal or target channel, providing greater flexibility.

[0164] For example, for random access corresponding to at least one of a specific TRP, frequency, band, subband, carrier, or synchronization grid, the transmission of the corresponding target signal or target channel uses high-power transmission; for random access corresponding to other situations, the transmission of the corresponding target signal or target channel uses low-power transmission. It should be noted that under different TRPs, frequencies, bands, subbands, carriers, or synchronization grids, the corresponding beam and coverage conditions may be different, thus allowing for the use of different communication modes to transmit the target signal or target channel, providing greater flexibility.

[0165] In this embodiment, the terminal can determine the target communication mode for sending the target signal or target channel from multiple communication modes by considering the aforementioned terminal-related information, which can improve the flexibility of the terminal in sending the target signal or target channel. Furthermore, the aforementioned terminal-related information can reflect the status of the terminal's wireless channel to a certain extent, thereby making it easier for the terminal to select a suitable communication mode to send the target signal or target channel, avoiding the terminal defaulting to using the first module to send the uplink channel or signal, and reducing the terminal's power consumption.

[0166] Optionally, the power-related information of the random access procedure includes at least one of the following:

[0167] The power increase of the signal transmitted during the random access process;

[0168] The cumulative value of the power increment of the signal transmitted during the random access process;

[0169] The transmission power status information of the target signal or target channel;

[0170] The transmission power control status information of the target signal or target channel.

[0171] In one implementation, when the power increase of the signal transmitted during the random access process exceeds a preset threshold, high-power mode transmission can be selected for the transmission of the target signal or target channel. A power increase exceeding the preset threshold indicates potentially poor channel conditions or high reliability requirements, thus allowing for the selection of high-power mode transmission for the target signal or target channel.

[0172] In one implementation, when the accumulated power increment of the signal transmitted during the random access process exceeds a preset threshold, high-power mode transmission can be selected for the transmission of the target signal or target channel. The fact that the accumulated power increment of the signal transmitted during the random access process exceeds the preset threshold indicates that the channel conditions may be poor or the reliability requirements are high, thus allowing the selection of high-power mode transmission for the target signal or target channel.

[0173] In one embodiment, when the transmission power status information of the target signal or target channel indicates that the transmission power value is greater than a preset threshold, the transmission of the target signal or target channel can be selected in a high-power mode.

[0174] In one embodiment, when the transmission power value indicated by the transmission power control status information of the target signal or target channel is greater than a preset threshold, the transmission of the target signal or target channel can be selected in a high-power mode.

[0175] In this embodiment, the terminal can determine the target communication mode for transmitting the target signal or target channel from multiple communication modes by considering the power-related information of the random access process, which can improve the flexibility of the terminal in transmitting the target signal or target channel. Furthermore, the power-related information of the random access process can reflect the status of the terminal's wireless channel to a certain extent, thereby making it easier for the terminal to select a suitable communication mode to transmit the target signal or target channel, avoiding the terminal defaulting to using the first module to transmit the uplink channel or signal, and reducing the terminal's power consumption.

[0176] Optionally, the target rule includes at least one of the following:

[0177] The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes;

[0178] The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use.

[0179] Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes.

[0180] The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process;

[0181] The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0182] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process.

[0183] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process.

[0184] The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process.

[0185] The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0186] The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access.

[0187] The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access.

[0188] The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process;

[0189] The first configuration information is determined based on measurements of the downlink reference signal;

[0190] The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure.

[0191] The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

[0192] The method of determining the communication mode for sending the target signal or target channel based on whether the terminal supports multiple communication modes may include: if the terminal does not support multiple communication modes for communication, then the traditional method is selected to send the target signal or target channel; otherwise, other rules can be matched for the next step of judgment. For example, the available set of communication modes can be determined based on the combination of multiple communication modes that can be used simultaneously.

[0193] The selection of a target communication mode for transmitting a target signal or target channel from the available set of communication modes, based on the characteristics, KPIs, or service requirements of the terminal, may include:

[0194] When the terminal's current service requirement is high-volume or high-reliability service, the terminal can determine to use a high-power or high-performance mode to transmit the target signal or target channel, etc.; or

[0195] When the payload size of the target receiving or transmitting physical channel meets certain conditions, such as exceeding a certain threshold, the terminal can determine to transmit the target signal or target channel in a high-power or high-performance mode; or

[0196] When the target receives or transmits a physical channel that requires a specific waveform, modulation method, encoding method, etc., the terminal can determine the communication mode that can provide the corresponding service capability to send the target signal or target channel.

[0197] In one implementation, determining the first configuration information based on the transmission configuration of the uplink signal or uplink channel prior to transmitting the target signal or target channel during random access may include:

[0198] The target signal or target channel adopts the same transmission configuration as the uplink signal or uplink channel (i.e., the reference configuration); or

[0199] The target signal or target channel uses a transmission configuration associated with the transmission configuration (i.e., reference configuration) of the uplink signal or uplink channel, such as:

[0200] Based on the communication mode of the reference configuration, it is mapped to the target communication mode according to specific rules;

[0201] Resources based on the reference configuration are mapped to target resources according to specific rules;

[0202] Based on the number of repetitions in the reference configuration, it is mapped to the target number of repetitions according to specific rules;

[0203] When there are repeated transmissions of the target signal or target channel, the determined transmission configuration can be for all transmissions of the target signal or target channel, or for a single or multiple transmissions.

[0204] In one implementation, determining the first configuration information based on the transmission configuration of the downlink signal or downlink channel prior to transmitting the target signal or target channel during random access may include:

[0205] The target signal or target channel uses a transmission configuration associated with the transmission configuration (i.e., reference configuration) of the downlink signal or downlink channel, such as:

[0206] Based on the communication mode of the reference configuration, it is mapped to the target communication mode according to specific rules;

[0207] Resources based on the reference configuration are mapped to target resources according to specific rules;

[0208] Based on the number of repetitions in the reference configuration, it is mapped to the target number of repetitions according to specific rules;

[0209] When there are repeated transmissions of the target signal or target channel, the determined transmission configuration can be for all transmissions of the target signal or target channel, or for a single or multiple transmissions.

[0210] In one implementation, when the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before transmitting the target signal or target channel during random access exceeds (or does not exceed) a specific threshold, the target signal or target channel is transmitted using a configured or agreed transmission configuration, which includes a communication mode.

[0211] In one implementation, when the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the transmission of the target signal or target channel during random access exceeds (or does not exceed) a specific threshold, the target signal or target channel is transmitted using a configured or agreed transmission configuration, which includes a communication mode.

[0212] In one implementation, when the number of times the uplink signal or uplink channel transmission acknowledgment information (such as ACK or NACK) before the target signal or target channel is transmitted during random access exceeds (or does not exceed) a specific threshold, the target signal or target channel is transmitted using a configured or agreed transmission configuration, which includes a communication mode.

[0213] In one implementation, when the number of transmission acknowledgments (such as ACK or NACK) of downlink signals or downlink channels prior to the transmission of the target signal or target channel during random access exceeds (or does not exceed) a specific threshold, the target signal or target channel is transmitted using a configured or agreed transmission configuration, which includes a communication mode.

[0214] In one implementation, when the uplink signal or the MCS or code rate of the uplink channel before transmitting the target signal or target channel during random access is within a specified range, the target signal or target channel is transmitted using a configured or agreed transmission configuration, which includes a communication mode.

[0215] In one implementation, when the downlink signal or downlink channel's MCS or code rate is within a specified range before transmitting the target signal or target channel during random access, the target signal or target channel is transmitted using a configured or agreed-upon transmission configuration, which includes a communication mode.

[0216] In one implementation, determining the first configuration information based on scheduling information prior to transmitting the target signal or target channel during the random access process may include:

[0217] When the AL of the Downlink Control Information (DCI) is within a specified range or exceeds a certain threshold, the target signal or target channel is transmitted using a configured or agreed-upon transmission configuration, which includes the communication mode; or

[0218] When the number of repetitions of the scheduled DCI is within a specified range or exceeds a certain threshold, the target signal or target channel is transmitted using a configured or agreed-upon transmission configuration, which includes the communication mode.

[0219] In one implementation, determining the first configuration information based on measurements of the downlink reference signal may include:

[0220] When the measured value of the downlink reference signal exceeds (or does not exceed) a specific threshold, the target signal or target channel is transmitted using a configured or agreed-upon transmission configuration, which includes a communication mode.

[0221] For example, when the reference signal received power (RSRP) of the associated SSB exceeds or is not less than a certain threshold, the terminal can use a low-power mode to transmit the target signal or target channel, which can save energy.

[0222] In one implementation, determining the first configuration information based on the type or state of the random access procedure may include:

[0223] 2-step random access and 4-step random access respectively use a configured or agreed-upon transmission configuration to transmit the target signal or target channel, which includes the communication mode;

[0224] Alternatively, if switching from 2-step random access to 4-step random access, the target signal or target channel is transmitted using a configured or agreed-upon transmission configuration, which includes the communication mode;

[0225] Alternatively, when the power ramp-up value or cumulative power ramp-up amount of a signal or channel during the random access process exceeds (or does not exceed) a specific threshold, the target signal or target channel is transmitted using a configured or agreed-upon transmission configuration, which includes a communication mode.

[0226] In one implementation, determining the target communication mode for transmitting the target signal or target channel based on whether the random access procedure receives a backoff indication may include:

[0227] When the terminal receives a back-to-back instruction, it transmits the target signal or target channel in a high-power mode.

[0228] When a terminal receives a backoff instruction, it indicates that the current load is relatively high. Higher power transmission can be used for the target signal or target channel, which can reduce the number of retransmissions and repetitions of the target signal or target channel, and save time and frequency resources.

[0229] In this embodiment, the terminal can determine the target communication mode for sending the target signal or target channel from multiple communication modes according to the above rules, which can improve the flexibility of the terminal in sending the target signal or target channel.

[0230] Optionally, the first configuration information is configuration information configured for the target signal or target channel according to a single transmission, and the configuration information belonging to the target signal or target channel has an association relationship; or,

[0231] The first configuration information is configuration information configured for the target signal or target channel according to multiple transmissions.

[0232] In one embodiment, the first configuration information is configuration information configured for the target signal or target channel according to a single transmission, so that each transmission of the target signal or target channel is configured separately, and multiple repeated or retransmission transmissions belonging to the same target signal or target channel are associated.

[0233] In one embodiment, the first configuration information is configuration information configured for the target signal or target channel according to multiple transmissions, thereby jointly configuring multiple repeated or retransmission transmissions belonging to the target signal or target channel, such as taking into account all possible repeated or retransmission transmissions when configuring time domain, frequency domain or code domain resources, signal format, target communication mode used, etc.

[0234] In this embodiment, the first configuration information is configuration information configured for the target signal or target channel according to a single transmission, and the configuration information belonging to the target signal or target channel is related, which provides greater flexibility for individual configuration according to a single transmission; or, the first configuration information is configuration information configured for the target signal or target channel according to multiple transmissions, and joint configuration according to multiple transmissions can save signaling overhead.

[0235] Optionally, the terminal obtains first configuration information, including:

[0236] The terminal receives first configuration information sent by the network-side device through at least one of the following:

[0237] Master Information Block (MIB) information; System Information Block (SIB) information; Paging message; Radio Resource Control (RRC) message; Medium Access Control (MAC) Control Element (CE); Downlink Control Information (DCI); Message Msg2; Msg4; MsgB; Back Off Random Access Response (RAR) message; Wake-upsignal (WUS); Downlink signal used to schedule target signal or target channel.

[0238] In one implementation, the network-side device can indicate the transmission configuration of the target signal or target channel to the terminal in the current serving cell or neighbor cell through at least one of MIB information, SIB information, paging message, RRC message, MACCE, DCI, Msg2, Msg4, MsgB, back-back RAR message, downlink WUS, and downlink signal for scheduling the target signal or target channel.

[0239] It should be noted that network-side devices can also indicate the transmission configuration of the target signal or target channel to the terminal through other downlink signals received before transmitting the target signal or target channel.

[0240] In this embodiment, the network-side device can configure the transmission of the target signal or target channel through at least one of MIB information, SIB information, paging message, RRC message, MACCE, DCI, Msg2, Msg4, MsgB, backoff RAR message, downlink WUS, and downlink signal used to schedule the target signal or target channel, which provides high flexibility in the transmission configuration of the target signal or target channel.

[0241] Optionally, the method further includes:

[0242] The terminal sends target capability information to the network-side device;

[0243] The target capability information is used to indicate at least one of the following:

[0244] Does the terminal support one or more communication modes?

[0245] The terminal's supported communication modes, operating conditions, or KPIs;

[0246] Does the terminal support the simultaneous use of multiple communication modes?

[0247] The terminal supports a combination of communication modes that can be used simultaneously.

[0248] The terminal supports data transmission using at least two communication modes;

[0249] The terminal supports switching between at least two communication modes.

[0250] In this embodiment, the terminal sends target capability information to the network-side device, so that the network-side device can determine the first configuration information based on the target capability information. In this way, the network-side device can consider the terminal's capabilities to configure the target communication mode for the terminal to send target signals or target channels, which can improve the flexibility of the terminal to send target signals or target channels.

[0251] Optionally, the target capability information is associated with or corresponds to at least one of the following:

[0252] Terminal; frequency band; frequency band combination; terminal type; application scenario; TRP; cell; reference signal group or reference signal.

[0253] In this embodiment, the terminal can report the target capability information at a granularity of at least one of terminal, frequency band, frequency band combination, terminal type, application scenario, TRP, cell, reference signal group or reference signal, which provides high flexibility in reporting target capability information.

[0254] Optionally, the terminal sends target capability information to the network-side device, including:

[0255] The terminal sends the target capability information to the network-side device through at least one of the following:

[0256] Physical Random Access Channel (PRACH) signal; WUS or Sounding Reference Signal (SRS) signal; Msg3 Physical Uplink Shared Channel (PUSCH); MsgA PUSCH; RRC signaling.

[0257] In this embodiment, the terminal transmits target capability information via at least one of the following: PRACH signal, WUS or SRS signal, Msg3 PUSCH, MsgA PUSCH, and RRC signaling, thereby enabling the transmission of the aforementioned target capability information using existing signaling.

[0258] Optionally, the target signal or target channel includes at least one of the following:

[0259] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time.

[0260] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information.

[0261] The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

[0262] Optionally, the target communication mode includes sending using a first module and / or sending using a second module, wherein the first module and the second module are modules with two different operating modes or different power consumption.

[0263] The first module can be a main communication module or a high-power mode; the second module can be an ultra-low-power communication module or a low-power mode.

[0264] The following examples provide further explanation:

[0265] The Msg3 mentioned in the following examples can refer to any possible uplink signal sent by the terminal before successfully accessing the network and after successfully receiving the downlink signal sent by the network side for the first time, or any possible uplink signal sent by the terminal after successfully receiving the downlink signal sent by the network side for the first time during random access in other scenarios.

[0266] The Msg4 or MsgB associated PUCCH or Msg4 or MsgB PUCCH mentioned in the following examples can refer to any possible uplink signal sent by the terminal before successfully accessing the network, after receiving (not necessarily successfully receiving) a downlink signal sent by the network side that requires the terminal to provide ACK / NACK feedback, or any possible uplink signal sent by the terminal after receiving a downlink signal sent by the network side that requires the terminal to provide ACK / NACK feedback during random access in other scenarios, or a PUCCH sent on public PUCCH resources.

[0267] The SRS mentioned in the following examples can refer to any possible uplink reference signal sent by the terminal in a disconnected state or before successfully accessing the network.

[0268] Example Group 1: Several Ways to Send Signals

[0269] Since a terminal may have multiple communication modes, it can send signals in various ways.

[0270] In some examples (Case 1), the terminal selects one communication mode from multiple communication modes for transmission. The transmission can be sent once or multiple times (multiple transmissions correspond to repeated transmissions or retransmissions).

[0271] In some examples (Case 2), the terminal selects at least two communication modes from multiple communication modes and transmits them at least once in a time-division manner, wherein each mode may be transmitted once or multiple times.

[0272] In some examples (Case 3), the terminal selects at least two communication modes from multiple communication modes and transmits them at least once each in a manner that is either partially or completely overlapped in the time domain, wherein each mode may be transmitted once or more.

[0273] Case 1 and Case 2 do not require multiple modes to work simultaneously; Case 3 requires multiple modules to work simultaneously. Which modes can work simultaneously depends on the terminal's capabilities (e.g., whether the devices used by each mode are shared or independent) and the network-side configuration (e.g., on which resources the network side supports receiving signals simultaneously).

[0274] From the perspective of the terminal as a whole, the signal in Case 1 can be transmitted once or repeatedly, while Case 2 and Case 3 must be transmitted repeatedly.

[0275] For Cases 2 and 3, there exists a situation where, according to configuration or agreement, multiple communication modes of the terminal need to send at least one signal each. However, due to various reasons, such as successfully receiving downlink signals returned from the network side, or terminal power consumption or hardware limitations, the signals that should have been sent by some modes are cancelled. This example also applies to this situation.

[0276] Example Group 2: Sending Msg3

[0277] This example mainly illustrates the determination of the transmission configuration of Msg3, including the communication mode, and the method of sending Msg3.

[0278] In some examples, the Msg3 sending configuration includes at least one of the following:

[0279] The target communication mode, communication mode group, or communication mode set to send Msg3;

[0280] Whether the transmission is duplicated or retransmitted;

[0281] Resources transmitted in a single transmission or in repeated or retransmitted transmissions, including time-domain, frequency-domain, or code-domain resources;

[0282] The signal format of each transmission in a single transmission or repeated or retransmission, such as CP format or length, SCS, TBS, DMRS configuration (such as DMRS port, DMRS pattern), MCS, (if the transmission resource includes code domain) extended sequence or sequence set, waveform, transmission power (including initial transmission power, target transmission power, power ramp-up step size, etc.), etc.

[0283] The TCI-State of each transmission in a single transmission or repeated or retransmission, the TCI-State is used to determine information such as QCL, beam or precoding, path loss, etc. of Msg3.

[0284] The correspondence between each transmission and the target communication mode in a single transmission, repeated transmission, or retransmission.

[0285] As a sub-example of the above example, for the case of Msg3 repeated or retransmitted transmission (including single-mode repeated or retransmitted transmission and multi-mode repeated or retransmitted transmission), the above Msg3 transmission configuration can be configured separately for each transmission and then associated, or configured jointly.

[0286] Individual configuration followed by association: Each Msg3 transmission is configured individually, but multiple duplicate or retransmissions belonging to the same Msg3 will be associated. Individual configuration offers greater flexibility.

[0287] Joint configuration: Joint configuration refers to multiple repetitive or retransmitted transmissions of Msg3. For example, when configuring time-domain, frequency-domain, or code-domain resources, signal format, and the target communication module used, all possible repetitive or retransmitted transmissions are taken into account. Joint configuration can save signaling.

[0288] In some examples, the terminal determines the transmission configuration of Msg3 in at least one of the following ways:

[0289] Pre-agreed configuration;

[0290] Determine the transmission configuration for Msg3 based on network instructions;

[0291] The transmission configuration of Msg3 is determined based on terminal-related information and target rules;

[0292] Based on the reasons (or conditions) that trigger random access;

[0293] The terminal requests the Msg3 sending configuration.

[0294] In this way, by using rules or configurations to determine the sending configuration and transmission mode of Msg3, inconsistencies in understanding between the network side and the terminal are avoided, thus improving the transmission success rate.

[0295] As a first seed example of the above example, the network and the terminal can pre-agree on the transmission configuration of Msg3, including the communication mode used, and the terminal and the network will send and receive according to the pre-agreement configuration respectively.

[0296] As a second seed example of the above example, the network can indicate the Msg3 sending configuration to the terminal in the current serving cell or neighbor cell in at least one of the following ways:

[0297] Broadcast information such as MIB, SIB, or paging;

[0298] Information such as RRC, MAC CE, or DCI;

[0299] Msg2 (such as a random access response, or a DCI scheduling PDSCH scrambled with RandomAccess RNTI (RA-RNTI);

[0300] Fallback RAR (fallback random access response) information;

[0301] Downlink WUS signal;

[0302] Or other downlink signals that receive a downlink signal before sending Msg3, or that schedule Msg3.

[0303] As a third seed example of the above examples, the sending configuration of Msg3 is determined based on terminal-related information and / or predefined or pre-configured target rules.

[0304] The terminal-related information includes at least one of the following:

[0305] (1) Configuration of uplink signal transmission before Msg3 during random access;

[0306] (2) Whether the uplink signal before Msg3 was retransmitted or repeated during the random access process;

[0307] For example, when Msg1 transmission selects repeated transmission, Msg3 transmission selects high-power mode transmission. Thus, selecting repeated transmission or retransmission implies that channel conditions may be poor or reliability requirements are high. Subsequent transmissions can then choose a transmission mode that provides higher reliability, such as high-power mode.

[0308] (3) The number of retransmissions or repeated transmissions of the uplink signal before Msg3 during random access;

[0309] For example, when Msg1 transmission selects repeated transmission and the number of repeated transmissions exceeds a certain threshold, Msg3 transmission selects high-power mode transmission.

[0310] (4) Configuration for receiving downlink signals before Msg3 during random access;

[0311] (5) Whether the downlink signal before Msg3 was retransmitted or repeated during the random access process;

[0312] For example, when Msg2 transmission selects repeated transmission, Msg3 transmission selects high-power mode transmission;

[0313] (6) The number of retransmissions or repeated transmissions of downlink signals before Msg3 during random access;

[0314] For example, when Msg2 transmission selects repeated transmission and the number of repeated transmissions exceeds a certain threshold, Msg3 transmission selects high-power mode transmission.

[0315] (7) ACK / NACK information of downlink signals before Msg3 during random access;

[0316] (8) ACK / NACK information of the uplink signal before Msg3 during random access;

[0317] (9) Measurements of downlink reference signals, including but not limited to SSB and CSI-RS;

[0318] The measurement of the downlink reference signal can reflect the condition of the wireless channel, thereby enabling the selection of the most suitable communication mode and transmission configuration in subsequent transmissions;

[0319] (10) Types of random access procedures;

[0320] For example, in 2 / 4-step random access, when the network is configured with both 2-step RACH and 4-step RACH resources, and the UE initially selects 4-step RACH, Msg3 transmission uses low-power mode.

[0321] Another example is whether to switch from 2-step random access to 4-step random access. For instance, if high-power mode is used for Msg3 transmission during the fallback process, the fallback may mean that the channel conditions are relatively poor, and subsequent transmissions need to select a transmission mode with better reliability.

[0322] (11) Power-related information of the random access procedure (or expressed as the state of the random access procedure);

[0323] The power-related information of the random access procedure includes at least one of the following:

[0324] Power increment (or power ramp-up), for example, when the power ramp-up of Msg1 reaches a certain threshold, msg3 transmission uses a high-power mode;

[0325] The cumulative value of power increment (or expressed as power ramp-up accumulation), for example, when the power ramp-up accumulation of Msg1 reaches a certain threshold, msg3 transmission uses high power mode;

[0326] Msg3 transmits power status information (or is expressed as transmission power value status). For example, when the transmission power value calculated by Msg3 reaches or exceeds the low power maximum value, Msg3 transmission uses high power mode.

[0327] Msg3 transmits power control status information (or is described as power control value status). For example, when the value indicated by the Msg3 power control command reaches the maximum value or a predefined value, Msg3 transmits in high-power mode.

[0328] (12) Regarding the UE features of the terminal transmission mode and whether it supports multiple communication modes;

[0329] This UE feature can be combined with other UE features to form a feature combination.

[0330] (13) The features, KPIs, and business requirements that the terminal currently needs to use;

[0331] Examples include Ultra-Reliable and Low Latency Communications (URLLC), Non-Terrestrial Networks (NTN), frequency bands, and early PRACH (where the terminal sends a PRACH to the network using the first communication mode before using the second communication mode, and then communicates with the network using the second communication module).

[0332] (14) Operating conditions / KPIs of multiple communication modes of the terminal;

[0333] For example, at least one of the following: supported waveforms, modulation methods, encoding methods, frequency bands, power consumption / battery power, reliability, and latency;

[0334] (15) Whether the terminal supports the simultaneous use of multiple communication modes, and the combination of simultaneous use;

[0335] For example, when mode 1 is working, modes 2 and 3 cannot work; or when mode 1 is not working, modes 2 and 3 can work simultaneously.

[0336] (16) The location of the cell where the terminal is located;

[0337] For example, a high-power communication mode can be used for users at the edge of a cell.

[0338] (17) The downlink reference signal (e.g., the SSB signal used to select RACH resources) or reference signal group selected by the terminal;

[0339] For example, for random access corresponding to a specific reference signal group, the corresponding Msg3 uses high-power transmission; for random access corresponding to other reference signal groups, the corresponding Msg3 transmission uses low-power transmission.

[0340] The beam and coverage conditions may differ under different reference signal groups, so different modes of Msg3 transmission should be used respectively.

[0341] (18) Random access corresponding to at least one of the TRP, frequency, frequency band, subband, carrier or synchronization grid selected by the terminal;

[0342] For example, for random access corresponding to at least one of a specific TRP, frequency, frequency band, subband, carrier, or synchronization grid, the corresponding Msg3 uses high-power transmission; for random access corresponding to other situations, the corresponding Msg3 transmission uses low-power transmission.

[0343] The beam and coverage conditions may differ depending on the TRP, frequency, band, subband, carrier, or synchronization grid, thus requiring the use of different Msg3 transmission modes.

[0344] Predefined or preconfigured target rules include one or more of the following:

[0345] (1) If the terminal does not support multiple communication modes, then the legacy mode is selected to send Msg3; otherwise, other rules can be matched and the next judgment can be made.

[0346] (2) Determine the available set of communication modes based on the combinations of multiple communication modes that can be used simultaneously;

[0347] (3) Based on the features, KPIs, or business requirements currently needed by the terminal, select a set from the available communication modes, for example:

[0348] When the terminal's current service requirement is high-volume or high-reliability service, the terminal can determine to use a high-power or high-performance mode to send Msg3, etc.

[0349] When the payload size of the target receiving or sending physical channel meets certain conditions, such as exceeding a certain threshold, the terminal can also determine to send Msg3, etc. in a high-power or high-performance mode.

[0350] When the target receives or transmits a physical channel that requires specific waveforms, modulation methods, coding methods, etc., the communication mode that can provide the corresponding service capabilities can be determined.

[0351] (4) Determine the transmission configuration of Msg3 based on the transmission configuration (reference configuration) of the uplink or downlink signals preceding Msg3 during the random access process, for example:

[0352] (a) Msg3 uses the same transmission configuration as the uplink signal reference configuration;

[0353] (b) Msg3 uses a transmit configuration associated with the uplink signal reference configuration, such as:

[0354] Based on the communication mode of the reference configuration, it is mapped to the target communication mode according to specific rules;

[0355] Resources based on the reference configuration are mapped to target resources according to specific rules;

[0356] Based on the number of repetitions in the reference configuration, it is mapped to the target number of repetitions according to specific rules;

[0357] When Msg3 has repeated transmissions, the determined transmission configuration can be all transmissions for Msg3, or a single or multiple transmissions.

[0358] (c) Msg3 uses a transmit configuration associated with the downlink signaling reference configuration, such as:

[0359] Based on the communication mode of the reference configuration, it is mapped to the target communication mode according to specific rules;

[0360] Resources based on the reference configuration are mapped to target resources according to specific rules;

[0361] Based on the number of repetitions in the reference configuration, it is mapped to the target number of repetitions according to specific rules;

[0362] When Msg3 has repeated transmissions, the determined transmission configuration can be all transmissions for Msg3, or a single or multiple transmissions.

[0363] (5) Determine the transmission configuration of Msg3 based on the number of retransmissions or repeated transmissions of uplink or downlink signals prior to Msg3 during the random access process, for example,

[0364] When the number of retransmissions exceeds or does not exceed a specific threshold, the configured or agreed-upon transmission configuration, including the communication mode, is used.

[0365] (6) Determine the transmission configuration of Msg3 based on the ACK or NACK information of the uplink or downlink signals preceding Msg3 during the random access process, for example,

[0366] When the number of ACK or NACK attempts exceeds or does not exceed a specific threshold, the configured or agreed-upon sending configuration, including the communication mode, is adopted.

[0367] (7) Determine the transmission configuration of Msg3 based on information such as the MCS or code rate of the uplink or downlink signals preceding Msg3 during the random access process, for example,

[0368] When the MCS or bit rate is within the specified range, the configured or agreed-upon transmission configuration, including the communication mode, is used.

[0369] (8) Determine the transmission configuration of Msg3 based on the scheduling information prior to Msg3 during the random access process, for example,

[0370] When the aggregation level (AL) of the scheduled DCI is within a specified range or exceeds a certain threshold, the configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0371] When the number of repetitions of the scheduled DCI is within a specified range or exceeds a certain threshold, the configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0372] (9) Determine the transmission configuration of Msg3 based on measurements of the downlink reference signal, for example,

[0373] When the measured value of the downlink reference signal exceeds or does not exceed a specific threshold, a configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0374] For example, when the RSRP of the associated SSB exceeds or is not less than a certain threshold, the terminal uses a low-power mode to send Msg3 to save energy.

[0375] (10) Determine the transmission configuration of Msg3 based on the type or state of the random access procedure, for example,

[0376] 2-step random access and 4-step random access use configured or agreed-upon transmission configurations, respectively;

[0377] Alternatively, if switching from 2-step random access to 4-step random access, use the configured or agreed-upon transmission configuration;

[0378] Alternatively, when the power ramp-up value or cumulative power ramp-up exceeds or does not exceed a specific threshold, a configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0379] (11) Based on whether a Backoff Indicator is received during the random access procedure;

[0380] For example, when the terminal receives a backoff instruction, it indicates that the current load is relatively high. The msg3 transmission can use higher power transmission to reduce the number of msg3 retransmissions and repeated transmissions, thus saving time and frequency resources.

[0381] As a fourth example of the above examples, based on the condition of terminal-triggered random access, the terminal determines a Msg3 transmission configuration, such as:

[0382] Reasons that trigger random access include: PDCCH (command) Order, paging, obtaining SIB, requesting to send resources when uplink resources are insufficient, radio link failure (RLF) or BLF, etc.

[0383] The reasons mentioned above can all be associated with, or are primarily associated with, a Msg3 sending configuration;

[0384] The above reasons can be used in conjunction with the rules related to business requirements in the third sub-example. For example, when receiving Paging and the business is a small data MT service, the terminal can use a low-power mode to complete the transmission of Msg3.

[0385] As a fifth example of the above examples, based on the terminal's request to the network side, a Msg3 sending configuration is determined, such as:

[0386] The terminal informs the network side by binding a specific preamble and a specific transmission configuration in Msg1 or MsgA; or by binding a specific sequence or sequence generation method of SRS and a specific transmission configuration; or by informing the network side by the terminal in other ways (such as during device registration) before the random access procedure.

[0387] Optionally, the network side may carry a confirmation of the terminal's request in Msg2 or MsgB, or indicate the use of a specific sending configuration.

[0388] Example group 3: Sending PUCCH associated with Msg4 or Msg B

[0389] This example set mainly explains how to determine the sending configuration of the PUCCH (hereinafter referred to as PUCCH) associated with Msg4 or Msg B, and how to send it.

[0390] In some examples, the PUCCH transmission configuration includes at least one of the following:

[0391] The target communication mode, communication mode group, or communication mode set to send the PUCCH;

[0392] Whether the transmission is duplicated or retransmitted;

[0393] Resources transmitted in a single transmission or in repeated or retransmitted transmissions, including time-domain, frequency-domain, or code-domain resources;

[0394] The signal format of each transmission in a single transmission or repeated or retransmission, such as CP format or length, SCS, TBS, DMRS configuration (e.g., DMRS port, DMRS pattern, number of DMRS symbols), MCS, (if the transmission resource includes code domain) extended sequence or sequence set, waveform, transmission power (including initial transmission power, target transmission power, power ramp-up step size, etc.), PUCCH format, etc.

[0395] The TCI state of each transmission in a single transmission or repeated or retransmission transmission, wherein the TCI state is used to determine information such as QCL, beam or precoding, path loss, etc. of PUCCH;

[0396] The correspondence between each transmission and the target communication mode in a single transmission, repeated transmission, or retransmission.

[0397] As a sub-example of the above example, for the case of PUCCH repeated or retransmitted transmission (including single-mode repeated or retransmitted transmission and multi-mode repeated or retransmitted transmission), the above PUCCH transmission configuration can be configured separately for each transmission and then associated, or configured jointly.

[0398] Individual configuration followed by association: Each PUCCH transmission is configured individually, but multiple duplicate or retransmissions belonging to the same Msg3 will be associated.

[0399] Joint configuration: Joint configuration refers to multiple repeated or retransmitted transmissions of PUCCH. For example, when configuring time domain, frequency domain or code domain resources, signal format, target communication module used, etc., all possible repeated or retransmitted transmissions are taken into account.

[0400] In some examples, the terminal determines the PUCCH transmission configuration in at least one of the following ways:

[0401] Pre-agreed configuration;

[0402] Determine the PUCCH transmission configuration based on network instructions;

[0403] The PUCCH transmission configuration is determined based on terminal-related information and target rules;

[0404] Based on the reasons (or conditions) that trigger random access.

[0405] As a first seed example of the above example, the network and the terminal can pre-agree on the PUCCH transmission configuration, including the communication mode used, and the terminal and the network will send and receive according to the pre-agreement configuration respectively.

[0406] As a second seed example of the above example, the network can indicate the PUCCH transmission configuration to the terminal in the current serving cell or neighbor cell in at least one of the following ways:

[0407] Broadcast information such as MIB, SIB, or paging;

[0408] Information such as RRC, MAC CE, or DCI;

[0409] Msg2, Msg4, or MsgB;

[0410] Downlink WUS signal;

[0411] Others received the downlink signal before sending the PUCCH.

[0412] As a third seed example of the above examples, the sending configuration of Msg3 is determined based on terminal-related information and / or predefined or pre-configured target rules.

[0413] The terminal-related information includes at least one of the following:

[0414] (1) Configuration of uplink signal transmission before PUCCH during random access;

[0415] (2) Whether the uplink signal before PUCCH was retransmitted or repeated during the random access process;

[0416] For example, when Msg1 transmission selects repeated transmission, PUCCH transmission selects high-power mode transmission.

[0417] (3) The number of retransmissions of the uplink signal before PUCCH during random access;

[0418] For example, when Msg1 transmission selects repeated transmission and the number of repeated transmissions exceeds a certain threshold, PUCCH transmission selects high-power mode transmission.

[0419] (4) Receive configuration of Msg4 or MsgB and / or previous downlink signals during random access;

[0420] (5) Whether Msg4 or MsgB and / or previous downlink signals were retransmitted or repeated during random access;

[0421] For example, when Msg4 or MsgB transmission selects repeated transmission, PUCCH transmission selects high-power mode transmission.

[0422] (6) The number of retransmissions of Msg4 or MsgB and / or previous downlink signals during random access;

[0423] For example, when Msg4 or MsgB transmission selects repeated transmission and the number of repeated transmissions exceeds a certain threshold, PUCCH transmission selects high-power mode transmission.

[0424] (7) ACK or NACK information of Msg4 or MsgB and / or previous downlink signals during random access;

[0425] (8) ACK or NACK information of the uplink signal before PUCCH during random access;

[0426] (9) Measurements of downlink reference signals, including but not limited to SSB and CSI-RS;

[0427] (10) Types of random access procedures;

[0428] For example, if the network is configured with both 2-step RACH and 4-step RACH resources, and the UE initially selects 4-step RACH, the PUCCH transmission uses low-power mode.

[0429] If it is a 2-step random access, switch to 4-step random access: for example, use high-power mode for PUCCH transmission during the fallback process.

[0430] (11) Power-related information of the random access procedure (or expressed as the state of the random access procedure), including at least one of the following:

[0431] Power increment (or power ramp-up), for example, when the Msg1 power ramp-up reaches a certain threshold, the PUCCH transmission uses a high-power mode;

[0432] The cumulative value of power increment (or expressed as power ramp-up accumulation), for example, when the Msg1 power ramp-up accumulation reaches a certain threshold, PUCCH transmission uses high power mode;

[0433] PUCCH transmits power status information (or is expressed as transmission power value status), such as when the transmission power value calculated by PUCCH reaches or exceeds the low power maximum value, PUCCH transmission uses high power mode for transmission.

[0434] PUCCH transmits power control status information (or is described as transmits power control value status). For example, when the value of the PUCCH transmits power control command reaches the maximum value or a predefined value, the PUCCH transmits in high-power mode.

[0435] (12) Regarding the UE feature of the terminal transmission mode, whether it supports multiple communication modes;

[0436] This UE feature can be combined with other UE features to form a feature combination.

[0437] (13) The features, KPIs, and business requirements that the terminal currently needs to use;

[0438] Examples include URLLC, NTN, frequency bands, and early PRACH (the terminal sends a PRACH to the network side using the first communication mode before using the second communication mode, and then communicates with the network side using the second communication module).

[0439] (14) Operating conditions or KPIs of multiple communication modes of the terminal;

[0440] For example, at least one of the following: supported waveform, modulation method, encoding method, frequency band, power consumption or battery level, reliability, and latency.

[0441] (15) Whether the terminal supports the simultaneous use of multiple communication modes, and the combination of simultaneous use;

[0442] For example, when mode 1 is working, modes 2 and 3 cannot work; or when mode 1 is not working, modes 2 and 3 can work simultaneously.

[0443] (16) The location of the cell where the terminal is located;

[0444] For example, a high-power communication mode can be used for users at the edge of a cell.

[0445] (17) The downlink reference signal (e.g., the SSB signal used to select RACH resources) or reference signal group selected by the terminal;

[0446] For example, for random access corresponding to a specific reference signal group, the corresponding PUCCH uses high-power transmission; for random access corresponding to other reference signal groups, the corresponding PUCCH transmission uses low-power transmission.

[0447] Under different reference signal groups, the corresponding beam and coverage conditions may be different, so different modes of PUCCH transmission should be used respectively.

[0448] (18) Random access corresponding to at least one of the TRP, frequency, frequency band, subband, carrier or synchronization grid selected by the terminal;

[0449] For example, for random access corresponding to at least one of a specific TRP, frequency, frequency band, subband, carrier, or synchronization grid, the corresponding PUCCH uses high-power transmission; for random access corresponding to other situations, the corresponding PUCCH transmission uses low-power transmission.

[0450] The beam and coverage conditions may differ under different TRPs, frequencies, bands, subbands, carriers, or synchronization grids, thus requiring the use of different PUCCH modes for transmission.

[0451] The predefined or preconfigured target rules include one or more of the following:

[0452] (1) If the terminal does not support multiple communication modes for communication, then the legacy mode is selected to send PUCCH; otherwise, other rules can be matched and the next judgment can be made.

[0453] (2) Determine the available set of communication modes based on the combinations of multiple communication modes that can be used simultaneously;

[0454] (3) Based on the features, KPIs, or business requirements currently needed by the terminal, select a set from the available communication modes, for example,

[0455] When the terminal's current service requirement is a high-volume or high-reliability service, the terminal can determine to use a high-power or high-performance mode to send PUCCH, etc.

[0456] When the payload size of the target receiving or sending physical channel meets certain conditions, such as exceeding a certain threshold, the terminal can also determine to send PUCCH in a high-power or high-performance mode.

[0457] When the target receives or transmits a physical channel that requires specific waveforms, modulation methods, coding methods, etc., the communication mode that can provide the corresponding service capabilities can be determined.

[0458] (4) Determine the PUCCH transmission configuration based on the transmission configuration (reference configuration) of Msg4 or MsgB and previous uplink or downlink signals during random access, for example:

[0459] (a) The PUCCH uses the same transmission configuration as the uplink signal reference configuration;

[0460] (b) The PUCCH uses a transmission configuration associated with the uplink signal reference configuration, such as...

[0461] Based on the communication mode of the reference configuration, it is mapped to the target communication mode according to specific rules;

[0462] Resources based on the reference configuration are mapped to target resources according to specific rules;

[0463] Based on the number of repetitions in the reference configuration, it is mapped to the target number of repetitions according to specific rules;

[0464] When there are repeated transmissions of PUCCH, the determined transmission configuration can be for all transmissions of PUCCH, or for a single or multiple transmissions.

[0465] (c) The PUCCH uses a transmission configuration associated with the downlink signaling reference configuration, such as:

[0466] Based on the communication mode of the reference configuration, it is mapped to the target communication mode according to specific rules;

[0467] Resources based on the reference configuration are mapped to target resources according to specific rules;

[0468] Based on the number of repetitions in the reference configuration, it is mapped to the target number of repetitions according to specific rules;

[0469] When there are repeated transmissions of PUCCH, the determined transmission configuration can be for all transmissions of PUCCH, or for a single or multiple transmissions.

[0470] (5) Determine the PUCCH transmission configuration based on the number of retransmissions of Msg4 or MsgB and previous uplink or downlink signals during the random access process, for example,

[0471] When the number of retransmissions exceeds or does not exceed a specific threshold, the configured or agreed-upon transmission configuration, including the communication mode, is used.

[0472] (6) Determine the PUCCH transmission configuration based on the ACK or NACK information of the uplink or downlink signals preceding the PUCCH during the random access process, for example,

[0473] When the number of ACK or NACK attempts exceeds or does not exceed a specific threshold, the configured or agreed-upon sending configuration, including the communication mode, is used.

[0474] (7) Determine the PUCCH transmission configuration based on information such as the MCS or code rate of the uplink or downlink signals preceding Msg4 or MsgB during the random access process, for example,

[0475] When the MCS or bit rate is within the specified range, the configured or agreed-upon transmission configuration, including the communication mode, is used.

[0476] (8) Determine the PUCCH transmission configuration based on the scheduling information prior to Msg4 or MsgB during the random access process, for example,

[0477] When the scheduled DCI AL is within a specified range or exceeds a certain threshold, a configured or agreed-upon transmission configuration, including the communication mode, is used; or

[0478] When the number of repetitions of the scheduled DCI is within a specified range or exceeds a certain threshold, the configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0479] (9) Determine the PUCCH transmission configuration based on measurements of the downlink reference signal, for example,

[0480] When the measured value of the downlink reference signal exceeds or does not exceed a specific threshold, a configured or agreed-upon transmission configuration, including the communication mode, is adopted; or

[0481] For example, when the RSRP of the associated SSB exceeds or is not less than a certain threshold, the terminal uses a low-power mode to send PUCCH to save energy.

[0482] (10) Determine the PUCCH transmission configuration based on the type or state of the random access procedure, for example,

[0483] 2-step random access and 4-step random access use configured or agreed-upon transmission configurations, respectively;

[0484] Alternatively, if switching from 2-step random access to 4-step random access, use the configured or agreed-upon transmission configuration;

[0485] Alternatively, when the power ramp-up value or cumulative power ramp-up exceeds or does not exceed a specific threshold, a configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0486] (11) Based on whether the random access procedure receives a Backoff Indicator,

[0487] For example, when the terminal receives a backoff instruction, it indicates that the current load is relatively high. The PUCCH transmission can use higher power transmission to reduce the number of PUCCH retransmissions and repeated transmissions, thus saving time and frequency resources.

[0488] As a fourth example of the above examples, based on the conditions for random access triggered by the terminal, the terminal determines a PUCCH transmission configuration, such as...

[0489] Reasons that trigger random access include: PDCCH Order, Paging, obtaining SIB, requesting to send resources when uplink resources are insufficient, RLF or BLF, etc.

[0490] The reasons mentioned above can all be associated with, or are primarily associated with, a PUCCH transmission configuration;

[0491] The above reasons can be used in conjunction with the rules related to business requirements in the third sub-example. For example, when receiving Paging and the business is a small data MT service, the terminal can use a low-power mode to complete the PUCCH transmission.

[0492] In some examples, the PUCCH transmission configuration includes at least one of the following:

[0493] The target communication mode, communication mode group, or communication mode set to send the PUCCH;

[0494] Whether the transmission is duplicated or retransmitted;

[0495] Resources transmitted in a single transmission or in repeated or retransmitted transmissions, including time-domain, frequency-domain, or code-domain resources;

[0496] The signal format of each transmission in a single, repeated, or retransmission, such as CP format or length, SCS, TBS, DMRS configuration (e.g., DMRS port, DMRS pattern), MCS, (if the transmission resource includes a code field) extended sequence or sequence set, waveform, and transmission power (including initial transmission power, target transmission power, power ramp-up step size, etc.).

[0497] The TCI state of each transmission in a single transmission or repeated or retransmission transmission, wherein the TCI state is used to determine information such as QCL, beam or precoding, path loss, etc. of PUCCH;

[0498] The correspondence between each transmission and the target communication mode in a single transmission, repeated transmission, or retransmission.

[0499] Example Group 4: SRS Transmission

[0500] This example set mainly explains how to determine the transmission configuration of SRS sent by a terminal in a non-connected state (idle / inactive) and how to send it.

[0501] In some examples, the SRS transmission configuration includes at least one of the following:

[0502] The target communication mode, communication mode group, or communication mode set to send the SRS;

[0503] SRS transmission resources include time-domain or frequency-domain resources;

[0504] The signal format of SRS, such as CP format or length, SCS, SRS port, SRS sequence, sequence index or sequence generator polynomial, waveform, and transmission power (including initial transmission power, target transmission power, power ramp-up step size, etc.).

[0505] The TCI-State of the SRS is used to determine information such as the QCL, beam or precoding, and path loss of the SRS.

[0506] In some examples, the terminal determines the SRS transmission configuration in at least one of the following ways:

[0507] Pre-agreed configuration;

[0508] Determine the SRS transmission configuration based on network instructions;

[0509] The SRS transmission configuration is determined based on terminal-related information and target rules;

[0510] Based on the conditions that trigger SRS.

[0511] As a first seed example of the above example, the network and the terminal can pre-agree on the SRS transmission configuration, including the communication mode used, and the terminal and the network will send and receive according to the pre-agreement configuration respectively.

[0512] As a second seed example of the above example, the network can indicate the SRS transmission configuration to the terminal in the current serving cell or neighbor cell in at least one of the following ways:

[0513] Broadcast information such as MIB, SIB, or paging;

[0514] Information such as RRC, MAC CE, or DCI;

[0515] Downlink WUS signal;

[0516] Receive downlink signals or schedule downlink signals for SRS before sending SRS.

[0517] As a third seed example of the above examples, the SRS transmission configuration is determined based on terminal-related information and / or predefined or pre-configured target rules.

[0518] The terminal-related information includes at least one of the following:

[0519] (1) Regarding the UE feature of terminal transmission mode, whether it supports multiple communication modes;

[0520] This UE feature can be combined with other UE features to form a feature combination.

[0521] (2) The features, KPIs, and business requirements that the terminal currently needs to use;

[0522] Examples include URLLC, NTN, frequency bands, and early PRACH (the terminal sends a PRACH to the network side using the first communication mode before using the second communication mode, and then communicates with the network side using the second communication module).

[0523] (3) Operating conditions / KPIs of multiple communication modes of the terminal

[0524] For example, at least one of the following: supported waveform, modulation method, encoding method, frequency band, power consumption / battery level, reliability, and latency.

[0525] (4) Whether the terminal supports the simultaneous use of multiple communication modes, and the combination of simultaneous use;

[0526] For example, when mode 1 is working, modes 2 and 3 cannot work; or when mode 1 is not working, modes 2 and 3 can work simultaneously.

[0527] (5) The location of the cell where the terminal is located;

[0528] For example, a high-power communication mode can be used for users at the edge of a cell.

[0529] (6) The downlink reference signal (e.g., the SSB signal used to select RACH resources) or reference signal group selected by the terminal;

[0530] For example, for a specific reference signal group used as the SRS path loss reference signal, the corresponding SRS uses high-power transmission; for other reference signal groups, the corresponding SRS transmission uses low-power transmission.

[0531] The beam and coverage conditions may differ under different reference signal groups, so different modes of SRS transmission should be used respectively.

[0532] (7) The terminal selects at least one of the following for transmitting SRS: TRP, frequency, frequency band, subband, carrier, or synchronization grid;

[0533] For example, for a specific TRP, frequency, frequency band, subband, carrier, or synchronization grid, the corresponding SRS uses high-power transmission; for other random access scenarios, the corresponding SRS transmission uses low-power transmission.

[0534] The beam and coverage conditions may differ depending on the TRP, frequency, band, subband, carrier, or synchronization grid, thus requiring the use of different SRS transmission modes.

[0535] The predefined or preconfigured target rules include one or more of the following:

[0536] (1) If the terminal does not support multiple communication modes, then the legacy mode is selected to send Msg3; otherwise, other rules can be matched and the next judgment can be made.

[0537] (2) Determine the available set of communication modes based on the combinations of multiple communication modes that can be used simultaneously;

[0538] (3) Based on the features, KPIs, or business requirements currently needed by the terminal, select a set from the available communication modes, for example,

[0539] When the terminal's current service requirement is high-volume or high-reliability service, the terminal can determine to use a high-power or high-performance mode to send SRS, etc.; or

[0540] When the payload size of the target receiving or transmitting physical channel meets certain conditions, such as exceeding a certain threshold, the terminal can also determine to transmit SRS in a high-power or high-performance mode; or

[0541] When the target receives or transmits a physical channel that requires specific waveforms, modulation methods, coding methods, etc., the communication mode that can provide the corresponding service capabilities can be determined.

[0542] (4) Determine the SRS transmission configuration based on measurements of the downlink reference signal, for example,

[0543] When the measured value of the downlink reference signal exceeds or does not exceed a specific threshold, a configured or agreed-upon transmission configuration, including the communication mode, is adopted.

[0544] As a fourth example of the above examples, based on the conditions that trigger the terminal to send SRS, the terminal determines an SRS transmission configuration, such as:

[0545] Reasons for triggering SRS transmission include: location in the non-connection state, and obtaining the downlink channel based on reciprocity on the auxiliary network side before entering the connection state, etc.

[0546] The reasons mentioned above can all be associated with, or are primarily associated with, a certain SRS transmission configuration;

[0547] The above reasons can be used in conjunction with the rules related to business requirements in the third sub-example. For example, when receiving Paging and the business is a small data MT service, the terminal can use a low-power mode to complete the SRS transmission.

[0548] Example Group 5: SRS, Msg3 or SRS transmission mode capability

[0549] In order to support terminals with different capabilities and to enable the network to determine whether to configure multiple transmission modes or switch between different transmission modes for a specific access terminal, the terminal needs to report or indicate the transmission mode on the target channel or signal.

[0550] In some examples, before determining the target communication module or target communication mode of the target channel or target signal, the terminal reports or indicates at least one of the following capability information (i.e., target capability information):

[0551] Does the terminal support one or more communication modules or communication modes?

[0552] The operating conditions or KPIs of the communication modules supported by the terminal, such as the supported frequency bands, power consumption or battery level, reliability, latency, etc.

[0553] Whether the terminal supports the simultaneous use of multiple communication modules, and the combination of simultaneous use;

[0554] It supports data transmission from at least two target communication modules or target communication modes;

[0555] It supports switching between at least two target communication modules or target communication modes.

[0556] In some examples, the terminal target channel or target signal transmission mode capability information is reported at one or more of the following granularities:

[0557] Per UE;

[0558] Per band;

[0559] Per band combination;

[0560] Per UE type;

[0561] Per application scenarios;

[0562] Per TRP;

[0563] Per cell;

[0564] Per reference signal group or per reference signal, such as a reference signal or reference signal group, refers to the reference signal or reference signal group selected by the terminal for determining random access resources.

[0565] In some examples, the terminal indicates, reports, or requests target channel or target signal transmission mode capabilities through one or more of the following methods:

[0566] Reporting or requesting is done through PRACH signals, such as through a specific RO or PRACH preamble or feature combination obtained by combining with other features to indicate, report or request PRACH resources. PRACH can be MsgAPRACH or Msg1 PRACH.

[0567] Instructions, reports, or requests are made through WUS or SRS signals;

[0568] Resources, information, or bits are used to indicate, report, or request information via Msg3 PUSCH;

[0569] Resources, information, or bits are used to indicate, report, or request information;

[0570] Indicate, report, or request through additionally defined specific signals;

[0571] The above-mentioned one or more uplink signals or channels may indicate, report or request the UE to transmit the corresponding target signal channel mode; for example, when all uplink and downlink signals transmitted through RIS and uplink and downlink signals not transmitted through RIS are in different time windows, the network can determine that the terminal transmitting the WUS signal has the transmission capability of the target signal channel corresponding to the window based on the specific uplink signal (such as the WUS signal) received in the different time windows.

[0572] Reporting or requesting via RRC signaling, for example, for connected terminals, can be done by instructing, reporting or requesting the relevant transmission mode according to any of the granularities defined above on the RRC signaling reported by the normal UE capability.

[0573] In some examples, the target channel or target signal is one or more of the following:

[0574] SRS;

[0575] Msg3;

[0576] Common PUCCH, such as the PUCCH channel used for Msg4 or MsgB PDSCH Hybrid Automatic Repeat Request (HARQ) feedback;

[0577] Other uplink reference signals or channels in random access procedures.

[0578] This application proposes a method for enabling a terminal device with multiple communication modes or modules to transmit uplink signals during random access, specifically including Msg3, Msg4, or MsgB PUCCH during random access and SRS in the connectionless state. This application proposes a method for determining multiple transmission configurations, including communication modes, for these signals. Particularly for low-data-rate scenarios or situations involving low-power transmission, this application can significantly reduce terminal power consumption. Furthermore, this application also considers improving reliability through repeated or retransmitted transmissions and takes into account their correlation with transmission modes and modules, making it particularly suitable for terminals in coverage-limited situations.

[0579] See Figure 8 , Figure 8 This is a flowchart of a transmission method provided in an embodiment of this application, such as... Figure 8 As shown, the transmission method includes the following steps:

[0580] Step 201: The network-side device sends first configuration information to the terminal. The first configuration information is used to determine the target communication mode for sending the target signal or target channel.

[0581] Optionally, the first configuration information indicates at least one of the following:

[0582] Communication modes used to transmit the target signal or target channel;

[0583] Whether to repeatedly transmit or retransmit the target signal or target channel;

[0584] The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0585] The format of single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0586] The TCI status of the target signal or target channel during single transmission, repeated transmission, or retransmission.

[0587] The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

[0588] Optionally, the method further includes at least one of the following:

[0589] The network-side device determines the first configuration information based on the target rules;

[0590] The network-side device configures the target rule for the terminal;

[0591] The target rule is used to map terminal-related information to the target communication mode or the first configuration information;

[0592] The terminal-related information includes at least one of the following:

[0593] The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process;

[0594] Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted;

[0595] The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process;

[0596] The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0597] Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted;

[0598] The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0599] The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access.

[0600] Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information.

[0601] The measurement quantity of the downlink reference signal of the terminal;

[0602] The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure;

[0603] Power-related information of the random access procedure;

[0604] Does the terminal support multiple communication modes?

[0605] The terminal needs to use the following features, KPIs, or business requirements;

[0606] The operating conditions or KPIs of the multiple communication modes of the terminal;

[0607] Does the terminal support the simultaneous use of multiple communication modes?

[0608] The terminal supports a combination of communication modes that can be used simultaneously.

[0609] The location of the cell where the terminal is located;

[0610] The downlink reference signal or downlink reference signal group selected by the terminal;

[0611] The terminal selects at least one of the following random access parameters: TRP, frequency, frequency band, subband, carrier, and synchronization grid.

[0612] Optionally, the target rule includes at least one of the following:

[0613] The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes;

[0614] The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use.

[0615] Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes.

[0616] The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process;

[0617] The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0618] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process.

[0619] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process.

[0620] The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process.

[0621] The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0622] The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access.

[0623] The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access.

[0624] The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process;

[0625] The first configuration information is determined based on measurements of the downlink reference signal;

[0626] The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure.

[0627] The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

[0628] Optionally, the network-side device sends first configuration information to the terminal, including:

[0629] The network-side device sends first configuration information to the terminal through at least one of the following:

[0630] MIB message; SIB message; paging message; RRC message; MAC CE; DCI; Msg2; Msg4; MsgB; backoff RAR message; downlink WUS; downlink signal used to schedule target signal or target channel.

[0631] Optionally, the method further includes:

[0632] The network-side device receives the target capability information sent by the terminal;

[0633] The network-side device determines the first configuration information based on the target capability information;

[0634] The target capability information is used to indicate at least one of the following:

[0635] Does the terminal support one or more communication modes?

[0636] The terminal's supported communication modes, operating conditions, or KPIs;

[0637] Does the terminal support the simultaneous use of multiple communication modes?

[0638] The terminal supports a combination of communication modes that can be used simultaneously.

[0639] The terminal supports data transmission using at least two communication modes;

[0640] The terminal supports switching between at least two communication modes.

[0641] Optionally, the target signal or target channel includes at least one of the following:

[0642] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time.

[0643] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information.

[0644] The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

[0645] It should be noted that this embodiment is as a comparison with... Figure 7 The implementation methods of the network-side devices shown in the embodiments can be found in the following examples. Figure 7 The related descriptions of the embodiments shown are not repeated here to avoid repetition.

[0646] The transmission method provided in this application can be executed by a transmission device. This application uses an example of a transmission device executing the transmission method to illustrate the transmission device provided in this application.

[0647] This application provides a transmission device. As an example, the transmission device may be a communication device or a component within a communication device, such as a chip. The communication device may be a terminal, a network-side device, or a server, etc. Exemplarily, the terminal may include, but is not limited to, the type of terminal 11 listed above, and the network-side device may include, but is not limited to, the type of network-side device 12 listed above. This application does not impose specific limitations.

[0648] The transmission device includes a receiving module, a transmitting module, and a processing module. These modules can be implemented in software or hardware. When implemented in hardware, the processing module can be implemented by a processor. For example, the processor can include general-purpose processors, special-purpose processors, such as a Central Processing Unit (CPU), microprocessor, Digital Signal Processor (DSP), Artificial Intelligence (AI) processor, Graphics Processing Unit (GPU), Application Specific Integrated Circuit (ASIC), Network Processor (NP), Field Programmable Gate Array (FPGA), or other programmable logic devices, gate circuits, transistors, discrete hardware components, etc. The receiving and transmitting modules can be implemented by a communication interface, which can include one or more of the following: transceiver, pins, circuits, bus, radio frequency unit, etc.

[0649] For details, see Figure 9 When the transmission device is a terminal or a component within a terminal, the transmission device 300 includes:

[0650] Processing module 301 is used to determine, from multiple communication modes, the target communication mode for transmitting the target signal or the target channel;

[0651] The transmitting module 302 is used to transmit the target signal or target channel based on the target communication mode.

[0652] Optionally, the target communication mode includes at least two communication modes, and the sending module is specifically used for any one of the following:

[0653] The target signal or target channel is transmitted in a time-division transmission manner using the at least two communication modes;

[0654] The target signal or target channel is transmitted using the at least two communication modes in a manner that is either partially or completely overlapped in the time domain.

[0655] Optionally, the processing module is specifically used for:

[0656] Obtain first configuration information, which is used to determine the target communication mode, and / or, the first configuration information is used to send the target signal or target channel.

[0657] Optionally, the first configuration information indicates at least one of the following:

[0658] Communication modes used to transmit the target signal or target channel;

[0659] Whether to repeatedly transmit or retransmit the target signal or target channel;

[0660] The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0661] The format of single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0662] The transmission configuration of the target signal or target channel for single transmission, repeated transmission, or retransmission indicates the TCI status.

[0663] The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

[0664] Optionally, the first configuration information is determined based on at least one of the following:

[0665] The configuration agreed upon in the protocol, the network-side device configuration, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, the reason for triggering the target signal or target channel, and the request information sent to the network-side device;

[0666] The target rule is used to map terminal-related information to the target communication mode or the first configuration information.

[0667] Optionally, the terminal-related information includes at least one of the following:

[0668] The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process;

[0669] Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted;

[0670] The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process;

[0671] The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0672] Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted;

[0673] The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0674] The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access.

[0675] Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information.

[0676] The measurement quantity of the downlink reference signal of the terminal;

[0677] The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure;

[0678] Power-related information of the random access procedure;

[0679] Does the terminal support multiple communication modes?

[0680] The terminal needs to use the following features, key performance indicators (KPIs), or business requirements.

[0681] The operating conditions or KPIs of the multiple communication modes of the terminal;

[0682] Does the terminal support the simultaneous use of multiple communication modes?

[0683] The terminal supports a combination of communication modes that can be used simultaneously.

[0684] The location of the cell where the terminal is located;

[0685] The downlink reference signal or downlink reference signal group selected by the terminal;

[0686] The terminal selects at least one of the following random access parameters: Transmit / Receive Point (TRP), Frequency, Frequency Band, Subband, Carrier, and Synchronization Grid.

[0687] Optionally, the power-related information of the random access procedure includes at least one of the following:

[0688] The power increase of the signal transmitted during the random access process;

[0689] The cumulative value of the power increment of the signal transmitted during the random access process;

[0690] The transmission power status information of the target signal or target channel;

[0691] The transmission power control status information of the target signal or target channel.

[0692] Optionally, the target rule includes at least one of the following:

[0693] The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes;

[0694] The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use.

[0695] Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes.

[0696] The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process;

[0697] The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0698] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process.

[0699] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process.

[0700] The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process.

[0701] The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0702] The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access.

[0703] The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access.

[0704] The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process;

[0705] The first configuration information is determined based on measurements of the downlink reference signal;

[0706] The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure.

[0707] The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

[0708] Optionally, the first configuration information is configuration information configured for the target signal or target channel according to a single transmission, and the configuration information belonging to the target signal or target channel has an association relationship; or,

[0709] The first configuration information is configuration information configured for the target signal or target channel according to multiple transmissions.

[0710] Optionally, the processing module is specifically used for:

[0711] The first configuration information sent by the network-side device is received by at least one of the following:

[0712] Master Information Block (MIB) information; System Information Block (SIB) information; Paging message; Radio Resource Control (RRC) message; Media Access Control (MAC) Control Unit (CE); Downlink Control Information (DCI); Messages Msg2; Msg4; MsgB; Back Off Random Access Response (RAR) message; Downlink Wake-up Signal (WUS); Downlink signals used to schedule target signals or target channels.

[0713] Optionally, the sending module is further configured to:

[0714] Send target capability information to network-side devices;

[0715] The target capability information is used to indicate at least one of the following:

[0716] Does the terminal support one or more communication modes?

[0717] The terminal's supported communication modes, operating conditions, or KPIs;

[0718] Does the terminal support the simultaneous use of multiple communication modes?

[0719] The terminal supports a combination of communication modes that can be used simultaneously.

[0720] The terminal supports data transmission using at least two communication modes;

[0721] The terminal supports switching between at least two communication modes.

[0722] Optionally, the target capability information is associated with or corresponds to at least one of the following:

[0723] Terminal; frequency band; frequency band combination; terminal type; application scenario; TRP; cell; reference signal group or reference signal.

[0724] Optionally, the sending module is further configured to:

[0725] The target capability information is sent to the network-side device through at least one of the following:

[0726] Physical Random Access Channel (PRACH) signal; WUS or Sounding Reference Signal (SRS) signal; Msg3 Physical Uplink Shared Channel (PUSCH); MsgA PUSCH; RRC signaling.

[0727] Optionally, the target signal or target channel includes at least one of the following:

[0728] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time.

[0729] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information.

[0730] The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

[0731] Optionally, the target communication mode includes sending using a first module or sending using a second module, wherein the first module and the second module are modules with two different operating modes or different power consumption.

[0732] See Figure 10 When the transmission device is a network-side device or a component within a network-side device, the transmission device 400 includes:

[0733] The sending module 401 is used to send first configuration information to the terminal, wherein the first configuration information is used to determine the target communication mode of the target signal or target channel to be sent.

[0734] Optionally, the first configuration information indicates at least one of the following:

[0735] Communication modes used to transmit the target signal or target channel;

[0736] Whether to repeatedly transmit or retransmit the target signal or target channel;

[0737] The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0738] The format of single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0739] The TCI status of the target signal or target channel during single transmission, repeated transmission, or retransmission.

[0740] The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

[0741] Optionally, the apparatus further includes: a processing module, configured to perform at least one of the following:

[0742] The first configuration information is determined based on the target rules;

[0743] Configure the target rule on the terminal;

[0744] The target rule is used to map terminal-related information to the target communication mode or the first configuration information;

[0745] The terminal-related information includes at least one of the following:

[0746] The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process;

[0747] Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted;

[0748] The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process;

[0749] The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0750] Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted;

[0751] The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0752] The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access.

[0753] Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information.

[0754] The measurement quantity of the downlink reference signal of the terminal;

[0755] The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure;

[0756] Power-related information of the random access procedure;

[0757] Does the terminal support multiple communication modes?

[0758] The terminal needs to use the following features, KPIs, or business requirements;

[0759] The operating conditions or KPIs of the multiple communication modes of the terminal;

[0760] Does the terminal support the simultaneous use of multiple communication modes?

[0761] The terminal supports a combination of communication modes that can be used simultaneously.

[0762] The location of the cell where the terminal is located;

[0763] The downlink reference signal or downlink reference signal group selected by the terminal;

[0764] The terminal selects at least one of the following random access parameters: TRP, frequency, frequency band, subband, carrier, and synchronization grid.

[0765] Optionally, the target rule includes at least one of the following:

[0766] The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes;

[0767] The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use.

[0768] Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes.

[0769] The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process;

[0770] The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0771] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process.

[0772] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process.

[0773] The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process.

[0774] The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0775] The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access.

[0776] The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access.

[0777] The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process;

[0778] The first configuration information is determined based on measurements of the downlink reference signal;

[0779] The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure.

[0780] The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

[0781] Optionally, the sending module is specifically used for:

[0782] Send the first configuration information to the terminal by at least one of the following:

[0783] MIB message; SIB message; paging message; RRC message; MAC CE; DCI; Msg2; Msg4; MsgB; backoff RAR message; downlink WUS; downlink signal used to schedule target signal or target channel.

[0784] Optionally, the device further includes:

[0785] The receiving module is used to receive the target capability information sent by the terminal;

[0786] The processing module is used to determine the first configuration information based on the target capability information;

[0787] The target capability information is used to indicate at least one of the following:

[0788] Does the terminal support one or more communication modes?

[0789] The terminal's supported communication modes, operating conditions, or KPIs;

[0790] Does the terminal support the simultaneous use of multiple communication modes?

[0791] The terminal supports a combination of communication modes that can be used simultaneously.

[0792] The terminal supports data transmission using at least two communication modes;

[0793] The terminal supports switching between at least two communication modes.

[0794] Optionally, the target signal or target channel includes at least one of the following:

[0795] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time.

[0796] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information.

[0797] The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

[0798] The transmission device provided in this application embodiment can achieve... Figures 7 to 8 The various processes implemented in the method embodiments achieve the same technical effect, and will not be described again here to avoid repetition.

[0799] like Figure 11As shown, this application embodiment also provides a communication device 500, including a processor 501 and a memory 502. The memory 502 stores programs or instructions that can run on the processor 501. For example, when the communication device 500 is a terminal, the program or instructions executed by the processor 501 implement the various steps of the above-described transmission method embodiment and achieve the same technical effect. When the communication device 500 is a network-side device, the program or instructions executed by the processor 501 implement the various steps of the above-described transmission method embodiment and achieve the same technical effect. To avoid repetition, further details are omitted here.

[0800] This application embodiment also provides a terminal, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement, for example... Figure 7 The steps in the method embodiment shown are illustrated. This terminal embodiment corresponds to the above-described terminal-side method embodiment. All implementation processes and methods of the above-described method embodiments can be applied to this terminal embodiment and achieve the same technical effect. The terminal can be... Figure 9 The transmission device shown. Specifically, Figure 12 A schematic diagram of the hardware structure of a terminal to implement an embodiment of this application.

[0801] The terminal 600 includes, but is not limited to, at least some of the following components: radio frequency unit 601, network module 602, audio output unit 603, input unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, memory 609, and processor 610.

[0802] Those skilled in the art will understand that the terminal 600 may also include a power supply (such as a battery) for supplying power to various components. The power supply may be logically connected to the processor 610 through a power management system, thereby enabling functions such as managing charging, discharging, and power consumption through the power management system. Figure 12 The terminal structure shown does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be elaborated here.

[0803] It should be understood that, in this embodiment, the input unit 604 may include a graphics processor 6041 and a microphone 6042. The graphics processor 6041 processes image data of still images or videos obtained by an image capture device (such as a camera) in video capture mode or image capture mode. The display unit 606 may include a display panel 6061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like. The user input unit 607 includes at least one of a touch panel 6071 and other input devices 6072. The touch panel 6071 is also called a touch screen. The touch panel 6071 may include two parts: a touch detection device and a touch controller. Other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, power buttons, etc.), a trackball, a mouse, and a joystick, which will not be described in detail here.

[0804] In this embodiment, after receiving downlink data from the network-side device, the radio frequency unit 601 can transmit it to the processor 610 for processing; in addition, the radio frequency unit 601 can send uplink data to the network-side device. Typically, the radio frequency unit 601 includes, but is not limited to, antennas, amplifiers, transceivers, couplers, low-noise amplifiers, duplexers, etc.

[0805] The memory 609 can be used to store software programs or instructions, as well as various data. The memory 609 may primarily include a first storage area for storing programs or instructions and a second storage area for storing data. The first storage area may store the operating system, application programs or instructions required for at least one function (such as sound playback, image playback, etc.). Furthermore, the memory 609 may include volatile memory or non-volatile memory. The non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory can be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DRRAM). The memory 609 in this embodiment includes, but is not limited to, these and any other suitable types of memory.

[0806] Processor 610 may include one or more processing units; optionally, processor 610 integrates an application processor and a modem processor, wherein the application processor mainly handles operations involving the operating system, user interface, and applications, and the modem processor mainly handles wireless communication signals, such as a baseband processor. It is understood that the aforementioned modem processor may also not be integrated into processor 610.

[0807] The processor 610 is used to determine a target communication mode for transmitting a target signal or a target channel from multiple communication modes.

[0808] The radio frequency unit 601 is used to transmit the target signal or target channel based on the target communication mode.

[0809] Optionally, the target communication mode includes at least two communication modes, and the sending module is specifically used for any one of the following:

[0810] The target signal or target channel is transmitted in a time-division transmission manner using the at least two communication modes;

[0811] The target signal or target channel is transmitted using the at least two communication modes in a manner that is either partially or completely overlapped in the time domain.

[0812] Optionally, the processor 610 is specifically used for:

[0813] Obtain first configuration information, which is used to determine the target communication mode, and / or, the first configuration information is used to send the target signal or target channel.

[0814] Optionally, the first configuration information indicates at least one of the following:

[0815] Communication modes used to transmit the target signal or target channel;

[0816] Whether to repeatedly transmit or retransmit the target signal or target channel;

[0817] The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0818] The format of single transmission, repeated transmission, or retransmission of the target signal or target channel;

[0819] The transmission configuration of the target signal or target channel for single transmission, repeated transmission, or retransmission indicates the TCI status.

[0820] The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

[0821] Optionally, the first configuration information is determined based on at least one of the following:

[0822] The configuration agreed upon in the protocol, the network-side device configuration, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, the reason for triggering the target signal or target channel, and the request information sent to the network-side device;

[0823] The target rule is used to map terminal-related information to the target communication mode or the first configuration information.

[0824] Optionally, the terminal-related information includes at least one of the following:

[0825] The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process;

[0826] Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted;

[0827] The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process;

[0828] The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0829] Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted;

[0830] The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process;

[0831] The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access.

[0832] Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information.

[0833] The measurement quantity of the downlink reference signal of the terminal;

[0834] The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure;

[0835] Power-related information of the random access procedure;

[0836] Does the terminal support multiple communication modes?

[0837] The terminal needs to use the following features, key performance indicators (KPIs), or business requirements.

[0838] The operating conditions or KPIs of the multiple communication modes of the terminal;

[0839] Does the terminal support the simultaneous use of multiple communication modes?

[0840] The terminal supports a combination of communication modes that can be used simultaneously.

[0841] The location of the cell where the terminal is located;

[0842] The downlink reference signal or downlink reference signal group selected by the terminal;

[0843] The terminal selects at least one of the following random access parameters: Transmit / Receive Point (TRP), Frequency, Frequency Band, Subband, Carrier, and Synchronization Grid.

[0844] Optionally, the power-related information of the random access procedure includes at least one of the following:

[0845] The power increase of the signal transmitted during the random access process;

[0846] The cumulative value of the power increment of the signal transmitted during the random access process;

[0847] The transmission power status information of the target signal or target channel;

[0848] The transmission power control status information of the target signal or target channel.

[0849] Optionally, the target rule includes at least one of the following:

[0850] The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes;

[0851] The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use.

[0852] Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes.

[0853] The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process;

[0854] The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0855] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process.

[0856] The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process.

[0857] The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process.

[0858] The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process;

[0859] The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access.

[0860] The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access.

[0861] The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process;

[0862] The first configuration information is determined based on measurements of the downlink reference signal;

[0863] The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure.

[0864] The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

[0865] Optionally, the first configuration information is configuration information configured for the target signal or target channel according to a single transmission, and the configuration information belonging to the target signal or target channel has an association relationship; or,

[0866] The first configuration information is configuration information configured for the target signal or target channel according to multiple transmissions.

[0867] Optionally, the processor 610 is specifically used for:

[0868] The first configuration information sent by the network-side device is received by at least one of the following:

[0869] Master Information Block (MIB) information; System Information Block (SIB) information; Paging message; Radio Resource Control (RRC) message; Media Access Control (MAC) Control Unit (CE); Downlink Control Information (DCI); Messages Msg2; Msg4; MsgB; Back Off Random Access Response (RAR) message; Downlink Wake-up Signal (WUS); Downlink signals used to schedule target signals or target channels.

[0870] Optionally, the radio frequency unit 601 is further configured to:

[0871] Send target capability information to network-side devices;

[0872] The target capability information is used to indicate at least one of the following:

[0873] Does the terminal support one or more communication modes?

[0874] The terminal's supported communication modes, operating conditions, or KPIs;

[0875] Does the terminal support the simultaneous use of multiple communication modes?

[0876] The terminal supports a combination of communication modes that can be used simultaneously.

[0877] The terminal supports data transmission using at least two communication modes;

[0878] The terminal supports switching between at least two communication modes.

[0879] Optionally, the target capability information is associated with or corresponds to at least one of the following:

[0880] Terminal; frequency band; frequency band combination; terminal type; application scenario; TRP; cell; reference signal group or reference signal.

[0881] Optionally, the radio frequency unit 601 is further configured to:

[0882] The target capability information is sent to the network-side device through at least one of the following:

[0883] Physical Random Access Channel (PRACH) signal; WUS or Sounding Reference Signal (SRS) signal; Msg3 Physical Uplink Shared Channel (PUSCH); MsgA PUSCH; RRC signaling.

[0884] Optionally, the target signal or target channel includes at least one of the following:

[0885] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time.

[0886] Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information.

[0887] The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

[0888] Optionally, the target communication mode includes sending using a first module or sending using a second module, wherein the first module and the second module are modules with two different operating modes or different power consumption.

[0889] It is understood that the implementation process of each implementation method mentioned in this embodiment can be referred to the method embodiment. Figure 7 The relevant descriptions and the achievement of the same or corresponding technical effects will not be repeated here to avoid duplication.

[0890] This application embodiment also provides a network-side device, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement, for example... Figure 8 The steps of the method embodiment shown are illustrated. This network-side device embodiment corresponds to the above-described network-side device method embodiment. All implementation processes and methods of the above-described method embodiments can be applied to this network-side device embodiment and can achieve the same technical effect.

[0891] Specifically, embodiments of this application also provide a network-side device, which can be... Figure 8 The transmission device shown. (e.g.) Figure 13 As shown, the network-side device 700 includes: an antenna 701, a radio frequency (RF) device 702, a baseband device 703, a processor 704, and a memory 705. The antenna 701 is connected to the RF device 702. In the uplink direction, the RF device 702 receives information through the antenna 701 and transmits the received information to the baseband device 703 for processing. In the downlink direction, the baseband device 703 processes the information to be transmitted and sends it to the RF device 702. The RF device 702 processes the received information and transmits it through the antenna 701.

[0892] The method executed by the network-side device in the above embodiments can be implemented in the baseband device 703, which includes a baseband processor.

[0893] The baseband device 703 may, for example, include at least one baseband board on which multiple chips are disposed, such as... Figure 13 As shown, one of the chips is, for example, a baseband processor, which is connected to the memory 705 via a bus interface to call the program in the memory 705 and execute the network device operations shown in the above method embodiment.

[0894] The network-side device may also include a network interface 706, such as a Common Public Radio Interface (CPRI).

[0895] Specifically, the network-side device 700 in this application embodiment further includes: instructions or programs stored in memory 705 and executable on processor 704, wherein processor 704 calls the instructions or programs in memory 705 to execute. Figure 10 The methods executed by each module shown achieve the same technical effect, and to avoid repetition, they will not be described in detail here.

[0896] Specifically, embodiments of this application also provide a network-side device. For example... Figure 14 As shown, the network-side device 800 includes: a processor 801, a network interface 802, and a memory 803. This network-side device can be... Figure 10 The transmission device shown. The network interface 802 is, for example, a common public radio interface (CPRI).

[0897] Specifically, the network-side device 800 in this application embodiment further includes: instructions or programs stored in memory 803 and executable on processor 801, wherein processor 801 calls the instructions or programs in memory 803 to execute. Figure 10 The methods executed by each module shown achieve the same technical effect, and to avoid repetition, they will not be described in detail here.

[0898] This application also provides a readable storage medium storing a program or instructions. When the program or instructions are executed by a processor, they implement the various processes of the above-described transmission method embodiments and achieve the same technical effect. To avoid repetition, they will not be described again here.

[0899] The processor mentioned above is the processor in the terminal or network-side device described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk. In some examples, the readable storage medium may be a non-transient readable storage medium.

[0900] This application embodiment also provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the various processes of the above-described transmission method embodiments and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0901] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0902] This application also provides a computer program / program product, which is stored in a storage medium and executed by at least one processor to implement the various processes of the above-described transmission method embodiments, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0903] This application also provides a wireless communication system, including: a terminal and a network-side device, wherein the terminal can be used to execute the steps of the transmission method applied to the terminal as described above, and the network-side device can be used to execute the steps of the transmission method applied to the network-side device as described above.

[0904] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0905] From the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of computer software products plus necessary general-purpose hardware platforms, and of course, they can also be implemented by hardware. The computer software product is stored in a storage medium (such as ROM, RAM, magnetic disk, optical disk, etc.) and includes several instructions to cause the terminal or network-side device to execute the methods described in the various embodiments of this application.

[0906] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other implementations under the guidance of this application without departing from the spirit and scope of the claims. All of these implementations are within the protection scope of this application.

Claims

1. A transmission method, characterized in that, include: The terminal determines the target communication mode for transmitting the target signal or target channel from multiple communication modes; The terminal transmits the target signal or target channel based on the target communication mode.

2. The method according to claim 1, characterized in that, The target communication mode includes at least two communication modes, and the terminal transmits the target signal or target channel based on the target communication mode, including any one of the following: The terminal uses the at least two communication modes to transmit the target signal or target channel in a time-division transmission manner; The terminal uses the at least two communication modes to transmit the target signal or target channel in a manner that is partially or completely overlapped in the time domain.

3. The method according to claim 1 or 2, characterized in that, The method further includes: The terminal acquires first configuration information, which is used to determine the target communication mode and / or to send the target signal or target channel.

4. The method according to claim 3, characterized in that, The first configuration information indicates at least one of the following: Communication modes used to transmit the target signal or target channel; Whether to repeatedly transmit or retransmit the target signal or target channel; The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel; The format of single transmission, repeated transmission, or retransmission of the target signal or target channel; The transmission configuration of the target signal or target channel for single transmission, repeated transmission, or retransmission indicates the TCI status. The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

5. The method according to claim 3 or 4, characterized in that, The first configuration information is determined based on at least one of the following: The configuration agreed upon in the protocol, the network-side device configuration, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, the reason for triggering the target signal or target channel, and the request information sent to the network-side device; The target rule is used to map terminal-related information to the target communication mode or the first configuration information.

6. The method according to claim 5, characterized in that, The terminal-related information includes at least one of the following: The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process; Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted; The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process; The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process; Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted; The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process; The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access. Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information. The measurement quantity of the downlink reference signal of the terminal; The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure; Power-related information of the random access procedure; Does the terminal support multiple communication modes? The terminal needs to use the following features, key performance indicators (KPIs), or business requirements. The operating conditions or KPIs of the multiple communication modes of the terminal; Does the terminal support the simultaneous use of multiple communication modes? The terminal supports a combination of communication modes that can be used simultaneously. The location of the cell where the terminal is located; The downlink reference signal or downlink reference signal group selected by the terminal; The terminal selects at least one of the following random access parameters: Transmit / Receive Point (TRP), Frequency, Frequency Band, Subband, Carrier, and Synchronization Grid.

7. The method according to claim 6, characterized in that, The power-related information of the random access procedure includes at least one of the following: The power of the signal transmitted during the random access process is increased; The cumulative value of the power increment of the signal transmitted during the random access process; The transmission power status information of the target signal or target channel; The transmission power control status information of the target signal or target channel.

8. The method according to any one of claims 5-7, characterized in that, The target rule includes at least one of the following: The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes; The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use. Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes. The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process; The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process; The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process. The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process. The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process. The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process; The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access. The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access. The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process; The first configuration information is determined based on measurements of the downlink reference signal; The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure. The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

9. The method according to any one of claims 3-8, characterized in that, The first configuration information is configuration information configured for the target signal or target channel according to a single transmission, and the configuration information belonging to the target signal or target channel has an association relationship; or, The first configuration information is configuration information configured for the target signal or target channel according to multiple transmissions.

10. The method according to any one of claims 3-9, characterized in that, The terminal obtains first configuration information, including: The terminal receives first configuration information sent by the network-side device through at least one of the following: Master Information Block (MIB) information; System Information Block (SIB) information; Paging message; Radio Resource Control (RRC) message; Media Access Control (MAC) Control Unit (CE); Downlink Control Information (DCI); Messages Msg2; Msg4; MsgB; Back Off Random Access Response (RAR) message; Downlink Wake-up Signal (WUS); Downlink signals used to schedule target signals or target channels.

11. The method according to any one of claims 1-10, characterized in that, The method further includes: The terminal sends target capability information to the network-side device; The target capability information is used to indicate at least one of the following: Does the terminal support one or more communication modes? The terminal's supported communication modes, operating conditions, or KPIs; Does the terminal support the simultaneous use of multiple communication modes? The terminal supports a combination of communication modes that can be used simultaneously. The terminal supports data transmission using at least two communication modes; The terminal supports switching between at least two communication modes.

12. The method according to claim 11, characterized in that, The target capability information is associated with or corresponds to at least one of the following: Terminal; frequency band; frequency band combination; terminal type; application scenario; TRP; cell; reference signal group or reference signal.

13. The method according to claim 11, characterized in that, The terminal sends target capability information to the network-side device, including: The terminal sends the target capability information to the network-side device through at least one of the following: Physical Random Access Channel (PRACH) signal; WUS or Sounding Reference Signal (SRS) signal; Msg3 Physical Uplink Shared Channel (PUSCH); MsgA PUSCH; RRC signaling.

14. The method according to any one of claims 1-13, characterized in that, The target signal or target channel includes at least one of the following: Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time. Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information. The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

15. The method according to any one of claims 1-14, characterized in that, The target communication mode includes sending using a first module and / or sending using a second module, wherein the first module and the second module are modules with two different operating modes or different power consumption.

16. A transmission method, characterized in that, include: The network-side device sends first configuration information to the terminal, the first configuration information being used to determine the target communication mode for sending the target signal or target channel.

17. The method according to claim 16, characterized in that, The first configuration information indicates at least one of the following: Communication modes used to transmit the target signal or target channel; Whether to repeatedly transmit or retransmit the target signal or target channel; The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel; The format of single transmission, repeated transmission, or retransmission of the target signal or target channel; The TCI status of the target signal or target channel during single transmission, repeated transmission, or retransmission. The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

18. The method according to claim 16 or 17, characterized in that, The method further includes at least one of the following: The network-side device determines the first configuration information based on the target rules; The network-side device configures the target rule for the terminal; The target rule is used to map terminal-related information to the target communication mode or the first configuration information; The terminal-related information includes at least one of the following: The uplink signal or uplink channel transmission configuration sent by the terminal before sending the target signal or target channel during the random access process; Before the terminal sends the target signal or target channel during random access, whether the uplink signal or uplink channel sent is retransmitted or repeatedly transmitted; The number of retransmissions or repeated transmissions of the uplink signal or uplink channel sent by the terminal before sending the target signal or target channel during the random access process; The receiving configuration of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process; Before the terminal sends the target signal or target channel during random access, whether the received downlink signal or downlink channel has been retransmitted or repeatedly transmitted; The number of retransmissions or repeated transmissions of the downlink signal or downlink channel received by the terminal before transmitting the target signal or target channel during the random access process; The terminal receives transmission confirmation information for downlink signals or downlink channels before sending the target signal or target channel during random access. Before the terminal sends the target signal or target channel during the random access process, it sends an uplink signal or uplink channel transmission confirmation information. The measurement quantity of the downlink reference signal of the terminal; The type of random access procedure, wherein the target signal or target channel is the signal or channel in the random access procedure; Power-related information of the random access procedure; Does the terminal support multiple communication modes? The terminal needs to use the following features, KPIs, or business requirements; The operating conditions or KPIs of the multiple communication modes of the terminal; Does the terminal support the simultaneous use of multiple communication modes? The terminal supports a combination of communication modes that can be used simultaneously. The location of the cell where the terminal is located; The downlink reference signal or downlink reference signal group selected by the terminal; The terminal selects at least one of the following random access parameters: TRP, frequency, frequency band, subband, carrier, and synchronization grid.

19. The method according to claim 18, characterized in that, The target rule includes at least one of the following: The communication mode for sending the target signal or target channel is determined based on whether the terminal supports multiple communication modes; The available set of communication modes is determined based on the combination of communication modes that the terminal supports for simultaneous use. Based on the characteristics, KPIs, or service requirements required by the terminal, a target communication mode for sending the target signal or target channel is selected from the available set of communication modes. The first configuration information is determined based on the transmission configuration of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process; The first configuration information is determined based on the transmission configuration of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process; The first configuration information is determined based on the number of retransmissions or repeated transmissions of the uplink signal or uplink channel before the target signal or target channel is sent during the random access process. The first configuration information is determined based on the number of retransmissions or repeated transmissions of the downlink signal or downlink channel before the target signal or target channel is sent during the random access process. The first configuration information is determined based on the transmission confirmation information of the uplink signal or uplink channel prior to the transmission of the target signal or target channel during the random access process. The first configuration information is determined based on the transmission confirmation information of the downlink signal or downlink channel prior to the transmission of the target signal or target channel during the random access process; The first configuration information is determined based on the uplink signal or uplink channel MCS or code rate before the target signal or target channel is sent during random access. The first configuration information is determined based on the downlink signal or downlink channel MCS or code rate before the target signal or target channel is transmitted during random access. The first configuration information is determined based on the scheduling information prior to sending the target signal or target channel during the random access process; The first configuration information is determined based on measurements of the downlink reference signal; The first configuration information is determined based on the type or state of the random access procedure, and the target signal or target channel is the signal or channel in the random access procedure. The target communication mode for transmitting the target signal or target channel is determined based on whether the random access procedure receives a backoff instruction.

20. The method according to any one of claims 16-19, characterized in that, The network-side device sends first configuration information to the terminal, including: The network-side device sends first configuration information to the terminal through at least one of the following: MIB message; SIB message; paging message; RRC message; MAC CE; DCI; Msg2; Msg4; MsgB; backoff RAR message; downlink WUS; downlink signal used to schedule target signal or target channel.

21. The method according to any one of claims 16-20, characterized in that, The method further includes: The network-side device receives the target capability information sent by the terminal; The network-side device determines the first configuration information based on the target capability information; The target capability information is used to indicate at least one of the following: Does the terminal support one or more communication modes? The terminal's supported communication modes, operating conditions, or KPIs; Does the terminal support the simultaneous use of multiple communication modes? The terminal supports a combination of communication modes that can be used simultaneously. The terminal supports data transmission using at least two communication modes; The terminal supports switching between at least two communication modes.

22. The method according to any one of claims 16-21, characterized in that, The target signal or target channel includes at least one of the following: Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after successfully receiving the downlink signal or downlink channel sent by the network-side device for the first time. Before successfully accessing the network or completing the random access process, the terminal sends an uplink signal or uplink channel after receiving a downlink signal or downlink channel from the network-side device that requires the terminal to provide feedback on transmission confirmation information. The uplink reference signal sent by the terminal in a disconnected state, or the uplink reference signal sent by the terminal before successfully accessing the network.

23. A transmission device, characterized in that, include: The processing module is used to determine the target communication mode for transmitting the target signal or target channel from multiple communication modes; The transmitting module is used to transmit the target signal or target channel based on the target communication mode.

24. The apparatus according to claim 23, characterized in that, The target communication mode includes at least two communication modes, and the sending module is specifically used for any one of the following: The target signal or target channel is transmitted in a time-division transmission manner using the at least two communication modes; The target signal or target channel is transmitted using the at least two communication modes in a manner that is either partially or completely overlapped in the time domain.

25. The apparatus according to claim 23 or 24, characterized in that, The processing module is specifically used for: Obtain first configuration information, which is used to determine the target communication mode, and / or, the first configuration information is used to send the target signal or target channel.

26. The apparatus according to claim 25, characterized in that, The first configuration information indicates at least one of the following: Communication modes used to transmit the target signal or target channel; Whether to repeatedly transmit or retransmit the target signal or target channel; The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel; The format of single transmission, repeated transmission, or retransmission of the target signal or target channel; The transmission configuration of the target signal or target channel for single transmission, repeated transmission, or retransmission indicates the TCI status. The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

27. The apparatus according to claim 25 or 26, characterized in that, The first configuration information is determined based on at least one of the following: The configuration agreed upon in the protocol, the network-side device configuration, terminal-related information, predefined or pre-configured target rules, the reason for triggering random access, the reason for triggering the target signal or target channel, and the request information sent to the network-side device; The target rule is used to map terminal-related information to the target communication mode or the first configuration information.

28. A transmission device, characterized in that, include: The sending module is used to send first configuration information to the terminal, wherein the first configuration information is used to determine the target communication mode of the target signal or target channel to be sent.

29. The apparatus according to claim 28, characterized in that, The first configuration information indicates at least one of the following: Communication modes used to transmit the target signal or target channel; Whether to repeatedly transmit or retransmit the target signal or target channel; The resources for single transmission, repeated transmission, or retransmission of the target signal or target channel; The format of single transmission, repeated transmission, or retransmission of the target signal or target channel; The TCI status of the target signal or target channel during single transmission, repeated transmission, or retransmission. The correspondence between the single transmission, repeated transmission, or retransmission of the target signal or target channel and the target communication mode.

30. A communication device, characterized in that, It includes a processor and a memory, the memory storing a program or instructions that can run on the processor, the program or instructions being executed by the processor to implement the steps of the transmission method as described in any one of claims 1-15, or to implement the steps of the transmission method as described in any one of claims 16-22.

31. A readable storage medium, characterized in that, The readable storage medium stores a program or instructions that, when executed by a processor, implement the steps of the transmission method as described in any one of claims 1-15, or implement the steps of the transmission method as described in any one of claims 16-22.

32. A computer program / program product, characterized in that, When the computer program / program product is executed by at least one processor, it implements the steps of the transmission method as described in any one of claims 1-15, or implements the steps of the transmission method as described in any one of claims 16-22.

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