Communication method and device

Abstract

The present application relates to a communication method, comprising: a first communication device receiving sequence indication information; in the case that the first communication device has detected, from the sequence indication information, a sequence corresponding to the first communication device, the first communication device receiving a first load; and in the case that the first communication device has not detected, from the first load, first data and / or first control information corresponding to the first communication device, the first communication device sending a second load. By means of the embodiments of the present application, the energy consumption of a communication device can be reduced.

Description

Communication methods and devices Technical Field

[0001] This application relates to the field of communications, and more specifically, to a communication method and apparatus. Background Technology

[0002] In communication systems, the Physical Downlink Control Channel (PDCCH) is used to transmit downlink control information (DCI), while the Physical Downlink Shared Channel (PDSCH) is used to transmit downlink data. The DCI schedules the time and frequency resources used by the PDSCH. This approach relies on blind detection of the PDCCH by the terminal, which consumes a significant amount of terminal power.

[0003] Summary of the Invention

[0004] This application provides a communication method and device that can reduce the energy consumption of communication devices.

[0005] This application provides a communication method, including:

[0006] The first communication device receives sequence indication information;

[0007] When the first communication device detects a sequence corresponding to itself from the sequence indication information, the first communication device receives a first payload;

[0008] If the first communication device does not detect the first data and / or first control information corresponding to the first communication device from the first load, the first communication device sends a second load.

[0009] This application provides a communication method, including:

[0010] The second communication device sends sequence indication information;

[0011] If the sequence indication information contains a sequence corresponding to the first communication device, the second communication device sends a first payload;

[0012] If there is no first data and / or first control information corresponding to the first communication device in the first load, the second communication device receives the second load.

[0013] This application provides a first communication device, including:

[0014] The transceiver unit is used to receive sequence indication information;

[0015] The transceiver unit is also configured to receive a first load when the first communication device detects a sequence corresponding to the first communication device from the sequence indication information;

[0016] The transceiver unit is also configured to transmit a second load when the first communication device does not detect first data and / or first control information corresponding to the first communication device from the first load.

[0017] This application provides a second communication device, including:

[0018] The transceiver unit is used to send sequence indication information;

[0019] The transceiver unit is also used to send a first payload when a sequence corresponding to the first communication device exists in the sequence indication information;

[0020] The transceiver unit is also used to receive the second load when there is no first data and / or first control information corresponding to the first communication device in the first load.

[0021] This application provides a communication device, including a transceiver, a processor, and a memory. The memory stores a computer program, the transceiver communicates with other devices, and the processor calls and runs the computer program stored in the memory to enable the terminal device to perform the aforementioned communication method.

[0022] This application provides a chip for implementing the above-described communication method.

[0023] Specifically, the chip includes a processor for retrieving and running a computer program from memory, causing a device equipped with the chip to perform the aforementioned communication method.

[0024] This application provides a computer-readable storage medium for storing a computer program, which, when run by a device, causes the device to perform the aforementioned communication method.

[0025] This application provides a computer program product, including computer program instructions that cause a computer to execute the above-described communication method.

[0026] This application provides a computer program that, when run on a computer, causes the computer to perform the aforementioned communication method. Attached Figure Description

[0027] Figure 1 is a schematic diagram of an application scenario according to an embodiment of this application.

[0028] Figure 2 is a schematic diagram illustrating the overall wireless communication system.

[0029] Figure 3 is a schematic diagram of the REG structure of 5G NR.

[0030] Figure 4 is a schematic diagram of the CCE structure of 5G NR.

[0031] Figure 5 is a schematic diagram of the 5G NR PDCCH structure.

[0032] Figure 6 is a schematic flowchart of a communication method according to an embodiment of this application.

[0033] Figure 7 is a schematic flowchart of a communication method according to another embodiment of this application.

[0034] Figure 8 is a schematic flowchart of a communication method according to another embodiment of this application.

[0035] Figure 9 is a schematic flowchart of a communication method according to an embodiment of this application.

[0036] Figure 10 is a schematic flowchart of a communication method according to another embodiment of this application.

[0037] Figure 11 is a schematic flowchart of a communication method according to another embodiment of this application.

[0038] Figure 12 is a flowchart of the switching between downlink scheduling and uplink scheduling in one embodiment.

[0039] Figure 13 is a schematic diagram of different detection results for sequence indication information and downlink load.

[0040] Figure 14A is a schematic diagram of the time resources for sending uplink data.

[0041] Figure 14B is a schematic diagram of determining the uplink resources for transmitting uplink load based on sequence indication information.

[0042] Figure 14C is a schematic diagram of determining uplink resources based on downlink load to transmit uplink load.

[0043] Figure 15 is a schematic diagram of the first uplink resource available for the terminal to send uplink load after the sequence indication information.

[0044] Figure 16 is a schematic block diagram of a first communication device according to an embodiment of the present application.

[0045] Figure 17 is a schematic block diagram of a second communication device according to an embodiment of the present application.

[0046] Figure 18 is a schematic block diagram of a communication device according to an embodiment of this application.

[0047] Figure 19 is a schematic block diagram of a chip according to an embodiment of this application.

[0048] Figure 20 is a schematic block diagram of a communication system according to an embodiment of this application. Detailed Implementation

[0049] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0050] The technical solutions of this application embodiment can be applied to various communication systems, such as: Long Term Evolution (LTE) systems, Advanced Long Term Evolution (LTE-A) systems, New Radio (NR) systems, evolution systems of NR systems, LTE-based access to unlicensed spectrum (LTE-U) systems, NR-based access to unlicensed spectrum (NR-U) systems, Non-Terrestrial Networks (NTN) systems, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), 5th-Generation (5G) systems, or other communication systems.

[0051] Traditional communication systems typically support a limited number of connections and are easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communication but also, for example, device-to-device (D2D) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), vehicle-to-vehicle (V2V) communication, or vehicle-to-everything (V2X) communication. The embodiments of this application can also be applied to these communication systems.

[0052] In one implementation, the communication system in this application embodiment can be applied to a carrier aggregation (CA) scenario, a dual connectivity (DC) scenario, or a standalone (SA) network deployment scenario.

[0053] In one embodiment, the communication system in this application can be applied to unlicensed spectrum, wherein the unlicensed spectrum can also be considered as shared spectrum; or, the communication system in this application can also be applied to licensed spectrum, wherein the licensed spectrum can also be considered as non-shared spectrum.

[0054] This application describes various embodiments in conjunction with network devices and terminal devices. The terminal device may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device, etc.

[0055] Terminal devices can be stations (STAION, ST) in WLANs, cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistant (PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in next-generation communication systems such as NR networks, or terminal devices in future evolved Public Land Mobile Network (PLMN) networks, etc.

[0056] In the embodiments of this application, the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships); and it can also be deployed in the air (such as airplanes, balloons and satellites).

[0057] In the embodiments of this application, the terminal device may be a mobile phone, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical care, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, or a wireless terminal device in a smart home, etc.

[0058] By way of example and not limitation, in this embodiment, the terminal device can also be a wearable device. Wearable devices, also known as wearable smart devices, are a general term for devices that utilize wearable technology to intelligently design and develop everyday wearables, such as glasses, gloves, watches, clothing, and shoes. Wearable devices are portable devices that are worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not merely hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction. Broadly speaking, wearable smart devices include those that are feature-rich, large in size, and can achieve complete or partial functions without relying on a smartphone, such as smartwatches or smart glasses, as well as those that focus on a specific type of application function and require the use of other devices such as smartphones, such as various smart bracelets and smart jewelry for vital sign monitoring.

[0059] In the embodiments of this application, the network device can be a device for communicating with mobile devices, such as an access point (AP) in a WLAN, an evolved Node B (eNB or eNodeB) in LTE, a relay station or access point, or a vehicle-mounted device, a wearable device, a network device (gNB) in an NR network, or a network device in a future evolved PLMN network or an NTN network, etc.

[0060] By way of example and not limitation, in this embodiment, the network device may have mobility characteristics; for example, the network device may be a mobile device. Optionally, the network device may be a satellite or a balloon station. For example, the satellite may be a low Earth orbit (LEO) satellite, a medium Earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a high elliptical orbit (HEO) satellite, etc. Optionally, the network device may also be a base station located on land, water, or other similar locations.

[0061] In this embodiment, the network device can provide services to a cell. The terminal device communicates with the network device through the transmission resources (e.g., frequency domain resources, or spectrum resources) used by the cell. The cell can be the cell corresponding to the network device (e.g., a base station). The cell can belong to a macro base station or to a base station corresponding to a small cell. The small cell can include: metro cell, micro cell, pico cell, femto cell, etc. These small cells have the characteristics of small coverage area and low transmission power, and are suitable for providing high-speed data transmission services.

[0062] Figure 1 illustrates an exemplary communication system 100. The communication system includes a network device 110 and two terminal devices 120. In one embodiment, the communication system 100 may include multiple network devices 110, and the coverage area of ​​each network device 110 may include other numbers of terminal devices 120; this embodiment does not limit the scope of the present application.

[0063] In one embodiment, the communication system 100 may also include other network entities such as a Mobility Management Entity (MME) and an Access and Mobility Management Function (AMF), which are not limited in this application.

[0064] Network equipment can be further divided into access network equipment and core network equipment. That is, the wireless communication system also includes multiple core networks used to communicate with the access network equipment. Access network equipment can be evolved NodeBs (eNBs or e-NodeBs) in Long-Term Evolution (LTE), Next-Generation Radio (NR) (mobile communication system), or Authorized Auxiliary Access Long-Term Evolution (LAA-LTE) systems, such as macro base stations, micro base stations (also called "small base stations"), pico base stations, access points (APs), transmission points (TPs), or new generation Node Bs (gNodeBs).

[0065] It should be understood that devices with communication functions in the network / system of this application embodiment can be referred to as communication devices. Taking the communication system shown in Figure 1 as an example, the communication device may include network devices and terminal devices with communication functions. The network devices and terminal devices can be specific devices in this application embodiment, which will not be described in detail here. The communication device may also include other devices in the communication system, such as network controllers, mobility management entities, and other network entities. This application embodiment does not limit this.

[0066] It should be understood that the terms "system" and "network" are often used interchangeably in this document. The term "and / or" in this document merely describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. Furthermore, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0067] It should be understood that the term "instruction" mentioned in the embodiments of this application can be a direct instruction, an indirect instruction, or an indication of a relationship. For example, A instructing B can mean that A directly instructs B, such as B being able to obtain information through A; it can also mean that A indirectly instructs B, such as A instructing C, so B can obtain information through C; or it can mean that there is a relationship between A and B.

[0068] In the description of the embodiments of this application, the term "correspondence" may indicate that there is a direct or indirect correspondence between two things, or that there is an association between two things, or that there is a relationship of instruction and being instructed, configuration and being configured, etc.

[0069] To facilitate understanding of the technical solutions of the embodiments of this application, the relevant technologies of the embodiments of this application are described below. The following relevant technologies are optional solutions and can be combined with the technical solutions of the embodiments of this application in any way, and they all fall within the protection scope of the embodiments of this application.

[0070] I. Wireless Communication System

[0071] As shown in Figure 2, the basic workflow of a wireless communication system generally includes the following steps: At the transmitting end, the transmitter performs channel coding and modulation on the source bit stream to obtain modulation symbols; pilot symbols are inserted into the modulated symbols for channel estimation and symbol detection at the receiving end; finally, the transmitted signal is formed and reaches the receiving end through the channel (noise may be added). At the receiving end, the receiver first uses the pilots to perform channel estimation on the received signal and feeds back the Channel State Information (CSI) to the transmitting end through a feedback link, allowing the transmitter to adjust the channel coding, modulation, precoding, etc.; finally, the receiver obtains the final recovered bit stream through symbol detection, demodulation, and channel decoding.

[0072] The above process is a simplified illustration. Traditional communication systems also include other modules not listed above, such as resource mapping, precoding, interference cancellation, and CSI measurement. These modules can be designed and implemented independently, and then integrated to form a complete wireless communication system.

[0073] II. PDCCH Resource Configuration of 5G Systems

[0074] 5G NR PDCCHs are transmitted periodically in the time domain. Each PDCCH may contain downlink control information (DCI) for multiple terminals within the cell. Therefore, terminals need to perform blind detection on PDCCHs that may contain their own DCIs at the time domain locations configured by the base station to find their own associated DCIs. Even if the base station does not transmit a DCI associated with a terminal in a certain PDCCH, the terminal must still perform blind detection on that PDCCH. Although this PDCCH detection method achieves high reuse of DCIs for all terminals in the cell, it results in high terminal power consumption due to the need for a large number of unnecessary blind detections.

[0075] The basic building block of 5G NR PDCCH is the Resource Element Group (REG), as shown in Figure 3. It consists of 1 symbol in the time domain and 12 subcarriers in the frequency domain, containing 12 REs (resource elements), including 3 orthogonal reference signal (RS) REs and 9 data REs.

[0076] Six REGs constitute a Control Channel Element (CCE), as shown in Figure 4. Possible REG structure examples are as follows:

[0077] For a control resource set (CORESET) of 3 orthogonal frequency division multiplexing (OFDM) symbols, the 6 REGs consist of 3 rows in the time domain and 2 columns in the frequency domain.

[0078] For a CORESET of 2 OFDM symbol length, 6 REGs consist of 2 rows in the time domain and 3 columns in the frequency domain.

[0079] For a CORESET of 1 OFDM symbol length, 6 REGs consist of 1 row in the time domain and 6 columns in the frequency domain.

[0080] An NR PDCCH consists of N (N = 1, 2, 4, 8, or 16) identical CCEs arranged in the frequency domain. Taking a 3-symbol CORESET as an example, the structure of the PDCCH is shown in Figure 5. N is called the aggregation level. The larger N is, the more times the CCEs are repeated, and the better the PDCCH transmission performance, but the more time and frequency resources are consumed.

[0081] The control channels (such as PDCCH and PUCCH) of 5G systems use polar coding, while the data channels (such as PDSCH and PUSCH) use low-density parity check (LDPC) coding.

[0082] In 5G systems, the PDCCH channel is used only for transmitting DCI (Digital Information Capture), while downlink data is transmitted via PDSCH (Pulse Distribution Channel). The time and frequency resources used by PDSCH are scheduled by the DCI. This scheduling method can multiplex the scheduling information of a large number of terminals into a single PDCCH, resulting in high system scheduling efficiency. However, as a trade-off, this scheduling method relies on blind detection of the PDCCH by the terminal. Even if the base station does not transmit a terminal's DCI, the terminal still needs to periodically search for the DCI in the PDCCH, thus consuming a significant amount of terminal power.

[0083] In some examples, a sequence detection-based scheduling method can be used. The terminal first detects a sequence indication message. If it detects a sequence belonging to itself, it knows that there is scheduled data following it and can directly receive the PDSCH following the sequence indication message. This method avoids the complexity and power consumption waste of blind PDCCH detection, and can efficiently transmit small data packets as well as transmit and schedule large PDSCH data packets via DCI. However, since the number of orthogonal sequences is limited, if each terminal is configured with a corresponding sequence, after detecting this sequence, the terminal still cannot determine whether it should receive downlink payload (DL payload) or send uplink payload (UL payload).

[0084] Figure 6 is a schematic flowchart of a communication method 600 according to an embodiment of this application. This method can optionally be applied to the system shown in Figure 1, but is not limited thereto. The method includes at least a portion of the following:

[0085] S610, The first communication device receives sequence indication information;

[0086] S620, if the first communication device detects a sequence corresponding to the first communication device from the sequence indication information, the first communication device receives a first load;

[0087] S630, if the first communication device does not detect the first data and / or first control information corresponding to the first communication device from the first load, the first communication device sends the second load.

[0088] In this embodiment, the first communication device can receive sequence-based indicator information sent by the second communication device. In some examples, the first communication device can be a terminal device, and the second communication device can be a network device. If the first communication device detects its own sequence (i.e., the sequence corresponding to the first communication device) from the sequence-based indicator information, the first communication device can receive a first payload, such as a downlink payload, sent by the second communication device. If the first communication device does not detect its own first data and / or first control information from the downlink payload, the first communication device can send a second payload, such as an uplink payload, to the second communication device.

[0089] Since sequence detection is a one-time detection, it eliminates the need for multiple blind detections. Furthermore, sequence detection consumes significantly less energy than channel-coded information decoding. The terminal only receives or transmits the payload when it detects a sequence configured for it, avoiding unnecessary or premature activation of the demodulator and / or decoder. Moreover, data can be transmitted within the payload received or transmitted by the first communication device. Therefore, embodiments of this application can save energy consumption of the first communication device and improve data transmission efficiency.

[0090] Figure 7 is a schematic flowchart of a communication method 700 according to another embodiment of this application. The method may include one or more features of the above-described method. In one embodiment, the method further includes:

[0091] S710. If the first communication device does not detect a sequence corresponding to the first communication device from the sequence indication information, the first communication device neither receives the first load nor sends the second load.

[0092] In this embodiment, after receiving the sequence indication information, if the first communication device does not detect a sequence belonging to itself from the sequence indication information, the first communication device may choose not to receive the first payload or send the second payload. In one scenario, if the first communication device does not detect a sequence belonging to itself from the sequence indication information, it stops receiving information following the sequence indication information. In another scenario, if the first communication device does not detect a sequence belonging to itself from the sequence indication information, it stops decoding or demodulating information received after the sequence indication information. This reduces unnecessary power consumption of the first communication device and improves transmission efficiency.

[0093] In one implementation, the first communication device receiving a first load includes: the first communication device receiving the first load in a first resource. In this embodiment, if the first communication device detects a sequence belonging to itself from sequence indication information, the first communication device can receive the first load sent by the second communication device in the first resource. For example, if the first communication device detects a sequence belonging to itself from sequence indication information, it continues to receive the first load following the sequence indication information in the first resource. The location of the first resource or the location of the sequence indication information can be configured by higher-layer signaling, such as Radio Resource Control (RRC), system information, etc.

[0094] In one implementation, the first resource includes N consecutive OFDM symbols. The sequence indication information is transmitted on the first OFDM symbol in the first resource, and the first load is transmitted on the remaining N-1 OFDM symbols in the first resource, where N is greater than 1. In embodiments of this application, the first resource can be used to transmit the sequence indication information and the subsequent first load. For example, N consecutive OFDM symbols can be used to transmit the sequence indication information and the first load, with the sequence indication information transmitted on the first OFDM symbol and the first load transmitted on the remaining N-1 OFDM symbols. If the first communication device detects the sequence indication information on the received first OFDM symbol, it can continue to receive the remaining N-1 OFDM symbols. If the first communication device does not detect the sequence indication information on the received first OFDM symbol, it can stop receiving the remaining N-1 OFDM symbols. Alternatively, the first resource can also be understood as a transmission resource used to transmit the first load. In this case, the remaining N-1 OFDM symbols out of the N consecutive OFDM symbols in the example above can be the first resource.

[0095] Figure 8 is a schematic flowchart of a communication method 800 according to another embodiment of this application. The method may include one or more features of the above-described method. In one embodiment, the method further includes:

[0096] S810, if the first communication device detects first data and / or first control information corresponding to the first communication device from the first load, the first communication device does not send the second load.

[0097] In this embodiment, if a first communication device, such as a terminal device, detects its own first data and / or first control information from a first load, the first communication device may not send a second load to the second communication device after the sequence indication information. The first data can be low-data-rate data, but is not limited to this. This reduces unnecessary data transmission and lowers the power consumption of the first communication device. The first data detected by the first communication device can be low-data-rate downlink data. The first control information detected by the first communication device can be DCI (Digital Control Information).

[0098] In one implementation, the first load is a downlink load used to receive downlink control information (DCI) and / or first downlink data. The first downlink data can be low data rate data, but is not limited to this. In this embodiment, if a first communication device, such as a terminal device, detects its own first downlink data and / or DCI from the downlink load, the first communication device may not send an uplink load to a second communication device, such as a network device, after the sequence indication information. This reduces unnecessary data transmission, reduces the power consumption of the terminal device, and achieves power saving for the terminal device.

[0099] In one embodiment, the method further includes: when the first communication device detects first control information corresponding to the first communication device from the first load, the first communication device sends or receives second data in the resource specified by the first control information. In one embodiment, the second data may be high data rate data, but is not limited thereto.

[0100] In one implementation, the first control information is DCI, and the second data includes second downlink data and / or first uplink data.

[0101] In one embodiment, the first communication device receives second data in the resource specified by the first control information, including: when the first resource is a specified downlink resource, the first control information is a DCI for downlink scheduling, and the second data is second downlink data, the first communication device receives the second downlink data in the downlink resource specified by the scheduling information in the DCI for downlink scheduling. In one embodiment, the second downlink data is high data rate data, but it is not limited thereto.

[0102] In this embodiment, if a first communication device, such as a terminal device, detects a sequence corresponding to itself from the sequence indication information, the terminal device can receive downlink load in a specific downlink resource following the sequence indication information. If the terminal device detects its own downlink DCI from the downlink load, the terminal device can receive downlink data, such as downlink data with a higher data rate, in the downlink resource specified by the scheduling information in that downlink DCI.

[0103] In one embodiment, the first communication device transmits second data in the resource specified by the first control information, including: when the first resource is a specified uplink resource, the first control information is a DCI for uplink scheduling, and the second data is first uplink data, the first communication device transmits the first uplink data in the uplink resource specified by the scheduling information in the DCI for uplink scheduling. In one embodiment, the first uplink data is high data rate data, but it is not limited to this.

[0104] In this embodiment, if a first communication device, such as a terminal device, detects a sequence corresponding to itself from the sequence indication information, the terminal device can receive downlink load in a specific downlink resource following the sequence indication information. If the terminal device detects an uplink DCI belonging to itself from the downlink load, the terminal device can send uplink data, such as uplink data with a higher data rate, in the uplink resource specified by the scheduling information in the uplink DCI.

[0105] In one implementation, the second resource for transmitting the second payload is located at a time-domain resource position following the sequence indication information and / or the first payload. In embodiments of this application, if the first communication device does not detect its own first data and / or first control information from the received first payload, the first communication device may transmit the second payload to the second communication device in the second resource.

[0106] In one implementation, the second load is an uplink load used to transmit second uplink data and / or uplink control information (UCI). The second uplink data may be low data rate data, but is not limited to this. In embodiments of this application, if the first communication device, such as a terminal device, does not detect its own first downlink data and / or downlink control information from the received downlink load, the first communication device may transmit the uplink load to the second communication device, such as a network device, in a specific uplink resource (an example of a second resource) following the sequence indication information.

[0107] In one implementation, the uplink load is transmitted at a time-domain offset following the sequence indication information and / or the downlink load. For example, if the terminal device does not detect its own first downlink data and / or downlink control information from the received downlink load, the terminal device may transmit the uplink load to the network device at a time-domain offset following the sequence indication information or the downlink load.

[0108] In one implementation, the time slot containing the uplink load is the Kth time slot following the time slot containing the sequence indication information and / or the downlink load. For example, if the terminal device does not detect its own downlink data and / or downlink control information from the received downlink load, the terminal device may send the uplink load to the network device in the S1th symbol of the Kth time slot following the sequence indication information or the downlink load.

[0109] In one embodiment, the method further includes: the first communication device receiving first configuration information, the first configuration information including information about K and information about the symbol number S1 of the first symbol of the uplink load in the time slot where the uplink load is located. In embodiments of this application, the first communication device may receive the first configuration information sent by a second communication device. The first configuration information can indicate a second resource. For example, the starting position of the second resource can be the S1th symbol in the Kth time slot after the sequence indication information or the downlink load.

[0110] In one implementation, the first symbol of the uplink load is the S2nd symbol following the sequence indication information and / or the downlink load. For example, if the terminal device does not detect its own downlink data and / or downlink control information from the received downlink load, the terminal device may send the uplink load to the network device at the S2nd symbol following the sequence indication information or the downlink load.

[0111] In one embodiment, the method further includes: the first communication device receiving second configuration information, the second configuration information including the information of S2. In embodiments of this application, the first communication device may receive the second configuration information sent by the second communication device. The second configuration information can indicate a second resource. For example, the starting position of the second resource may be the S2th symbol after the sequence indication information or downlink load.

[0112] In one implementation, the uplink resources available for the first communication device to transmit the uplink load appear periodically in the time domain. In this embodiment, if the first communication device, such as a terminal device, does not detect its own downlink data and / or downlink control information from the received downlink load, the first communication device may transmit the uplink load in a period following the sequence indication information and / or the downlink load.

[0113] In one implementation, the first communication device transmits the uplink load on the first available uplink resource after the sequence indication information and / or the downlink load. In this embodiment, the first communication device may transmit the uplink load in the period containing the sequence indication information and / or the downlink load, or in the first period following it. If the transmission sequence indication information and / or the downlink load does not occupy the uplink resource available for the first communication device to transmit the uplink load in the current period, the first communication device may transmit the uplink load in the current period. If the transmission sequence indication information and / or the downlink load occupies the uplink resource available for the first communication device to transmit the uplink load in the current period, the first communication device may transmit the uplink load in the next period.

[0114] In one implementation, the uplink resources available for the first communication device to transmit uplink load occur in a period of P time slots. For example, if the period in which the terminal device is located includes P time slots, and sequence indication information is transmitted in the first time slot of that period, the terminal device can transmit uplink load in the second to Pth time slots of that period. As another example, if the period in which the terminal device is located includes P time slots, and sequence indication information is transmitted in the first time slot of that period, while downlink load is transmitted in the second to fifth time slots of the first time slot of that period, then the terminal device can transmit uplink load in the sixth to Pth time slots of that period. As yet another example, if the period in which the terminal device is located includes P time slots, and sequence indication information is transmitted in the first time slot of that period, then the terminal device can transmit uplink load in the second to fifth time slots of the first time slot of that period. If the uplink resources available for the first communication device to transmit uplink load are the third to Pth time slots of each period, then the terminal device can transmit uplink load in the third to Pth time slots of the next period.

[0115] In one embodiment, the method further includes: the first communication device receiving third configuration information, the third configuration information including information about P, ​​the time slot number of the time slot where the uplink resource of the uplink load is located within a period, and one or more of the symbol number of the first symbol of the uplink load within a time slot.

[0116] In this embodiment, the first communication device can receive third configuration information sent by the second communication device. The third configuration information can indicate the second resource.

[0117] For example, the starting position of the second resource could be time slot number K1 within the period where the sequence indication information is located, time slot number K2 within the period where the downlink load is located, and time slot number K3 within the period where the uplink resource of the uplink load is located. If K3 is before K1 or K2, the terminal device can send the uplink load in time slot K3 of the next period. If K3 is after K1, the terminal device can send the uplink load in time slot K3 of the current period. If K3 is after K2, the terminal device can send the uplink load in time slot K3 of the current period. If K3 is after K1 and before K2, the terminal device can send the uplink load in time slot K3 of the next period.

[0118] For example, the starting position of the second resource could be: time slot number K1 within the period where the sequence indication information is located; time slot number K2 within the period where the downlink load is located; and time slot number K3 within the period where the uplink resource of the uplink load is located. The first symbol of the uplink load is symbol S1 in time slot K3. If K3 is before K1 or K2, the terminal device can send the uplink load in symbol S1 of time slot K3 in the next period. If K3 is after K1, the terminal device can send the uplink load in symbol S1 of time slot K3 in the current period. If K3 is after K2, the terminal device can send the uplink load in symbol S1 of time slot K3 in the current period. If K3 is after K1 and before K2, the terminal device can send the uplink load in symbol S1 of time slot K3 in the next period.

[0119] In one embodiment, the method further includes: the first communication device receiving fourth configuration information, the fourth configuration information including frequency domain resource information of the uplink load. In embodiments of this application, the first communication device may receive third configuration information sent by a second communication device. The second resource indicated by the third configuration information may include frequency domain resources. If the first communication device, such as a terminal device, does not detect downlink data and / or downlink control information belonging to itself from the received downlink load, the first communication device may send the uplink load to the second communication device, such as a network device, in the frequency domain resources indicated by the fourth configuration information.

[0120] In one implementation, the frequency domain resource information includes the resource block number and / or resource block group number where the uplink resources of the uplink load reside. For example, if the terminal device does not detect its own downlink data and / or downlink control information from the received downlink load, the terminal device may send the uplink load to the network device using the resource block number and / or resource block group number indicated by the fourth configuration information.

[0121] In the embodiments of this application, one or more of the first configuration information, second configuration information, third configuration information, and fourth configuration information can be transmitted in the same signaling or in different signaling.

[0122] In one implementation, the configuration information is Radio Resource Control (RRC) configuration signaling or system information. In this embodiment, one or more of the first, second, third, and fourth configuration information can be transmitted in the same RRC configuration signaling or in different RRC configuration signaling. One or more of the first, second, third, and fourth configuration information can be transmitted in system signaling or in different systems. For example, the first configuration information is transmitted in the first RRC configuration signaling, the third configuration information is transmitted in the second RRC configuration signaling, and the fourth configuration information is transmitted in the second system signaling.

[0123] In one implementation, the configuration information includes the time-domain length of the uplink load. In embodiments of this application, one or more of the first configuration information, second configuration information, third configuration information, and fourth configuration information may include the time-domain length of the uplink load, such as the number of symbols L contained in the uplink load.

[0124] In one implementation, the configuration information includes information about the format of DCIs that may be detected in the downlink load. In embodiments of this application, one or more of the first configuration information, second configuration information, third configuration information, and fourth configuration information may include information about the format of DCIs that may be detected in the downlink load, such as DCI0, DCI1, DCI1A, DCI1B, DCI1C, DCI1D, DCI2, DCI2A, DCI2B, DCI3, DCI3A, etc.

[0125] In one implementation, the configuration information may be general or specific to each bandwidth portion (BWP) or cell. In the embodiments of this application, one or more of the first, second, third, and fourth configuration information may be general or specific to each bandwidth portion (BWP) or cell. For example, the fourth configuration information may be general, the first configuration information may correspond to BWP1, and the second configuration information may correspond to BWP2. As another example, the first configuration information may be general, the second configuration information may correspond to BWP3, and the third configuration information may correspond to cell 1.

[0126] Figure 9 is a schematic flowchart of a communication method 900 according to an embodiment of this application. This method can optionally be applied to the system shown in Figure 1, but is not limited thereto. The method includes at least a portion of the following:

[0127] S910, the second communication device sends sequence indication information;

[0128] S920. If a sequence corresponding to the first communication device exists in the sequence indication information, the second communication device sends a first payload.

[0129] S930. If there is no first data and / or first control information corresponding to the first communication device in the first load, the second communication device receives the second load.

[0130] Figure 10 is a schematic flowchart of a communication method 1000 according to another embodiment of this application. The method may include one or more features of the above-described method. In one embodiment, the method further includes:

[0131] S1010. If there is no sequence corresponding to the first communication device in the sequence indication information, the second communication device neither sends the first load nor receives the second load.

[0132] In one implementation, the second communication device transmits a first load, including: the second communication device transmits the first load in a first resource.

[0133] In one implementation, the first resource includes N consecutive OFDM symbol transmissions, the sequence indication information is transmitted on the first OFDM symbol in the first resource, and the first payload is transmitted on the remaining N-1 OFDM symbols in the first resource, where N is greater than 1.

[0134] Figure 11 is a schematic flowchart of a communication method 1100 according to another embodiment of this application. The method may include one or more features of the above-described method. In one embodiment, the method further includes:

[0135] S1110. If the first load contains first data and / or first control information corresponding to the first communication device, the second communication device does not receive the second load.

[0136] In one implementation, the first load is a downlink load used to receive DCI and / or first downlink data. In one implementation, the first downlink data is low data rate data, but it is not limited thereto.

[0137] In one implementation, the method further includes:

[0138] If the first control information corresponding to the first communication device exists in the first load, the second communication device receives or sends second data in the resource specified by the first control information.

[0139] In one implementation, the first control information is DCI, and the second data includes second downlink data and / or first uplink data.

[0140] In one implementation, the second communication device receives or transmits second data in the resource specified by the first control information, including one or more of the following:

[0141] When the specified resource is a specified downlink resource, the first control information is a DCI for downlink scheduling, and the second data is second downlink data, the second communication device transmits the second downlink data in the downlink resource specified by the scheduling information in the DCI for downlink scheduling.

[0142] When the specified resource is a specified uplink resource, the first control information is a DCI for uplink scheduling, and the second data is first uplink data, the second communication device receives the first uplink data in the uplink resource specified by the scheduling information in the DCI for uplink scheduling.

[0143] In one implementation, the second downlink data and / or the first uplink data are high data rate data, but it is not limited to this.

[0144] In one implementation, the second resource for transmitting the second payload is located at a time-domain resource position following the sequence indication information and / or the first payload.

[0145] In one implementation, the second load is an uplink load used to transmit second uplink data and / or UCI. In one implementation, the second uplink data may be low data rate data, but is not limited thereto.

[0146] In one implementation, the uplink load is transmitted at a position with a timing domain offset following the sequence indication information and / or the downlink load.

[0147] In one implementation, the time slot where the uplink load is located is the Kth time slot following the time slot where the sequence indication information and / or the downlink load is located.

[0148] In one implementation, the method further includes:

[0149] The second communication device sends first configuration information, which includes information about K and information about the symbol number S1 of the first symbol of the uplink load in the time slot where the uplink load is located.

[0150] In one implementation, the first symbol of the uplink load is the S2th symbol following the symbol containing the sequence indication information and / or the downlink load.

[0151] In one implementation, the method further includes:

[0152] The second communication device sends second configuration information, which includes the information of S2.

[0153] In one implementation, the uplink resources available for the second communication device to receive the uplink load appear periodically in the time domain.

[0154] In one implementation, the second communication device receives the uplink load on the uplink resources on which the first communication device transmits the uplink load, following the sequence indication information and / or the downlink load.

[0155] In one implementation, the uplink resources available for the second communication device to receive uplink load occur in a period of P time slots.

[0156] In one implementation, the method further includes:

[0157] The second communication device sends third configuration information, which includes one or more of the information of P, the time slot number of the uplink resource of the uplink load in the period, and the symbol number of the first symbol of the uplink load in the time slot.

[0158] In one implementation, the method further includes:

[0159] The second communication device sends fourth configuration information, which includes frequency domain resource information of the uplink load.

[0160] In one implementation, the frequency domain resource information includes the resource block number and / or resource block group number where the uplink resources of the uplink load are located.

[0161] In one implementation, the configuration information is RRC configuration signaling or system information.

[0162] In one implementation, the configuration information includes the time domain length of the uplink load.

[0163] In one implementation, the configuration information includes information about the format of the DCI that may be detected in the downlink load.

[0164] In one implementation, the configuration information is general, or specific to each bandwidth portion (BWP) or cell.

[0165] Specific examples of the second communication device executing methods 900, 1000, and 1100 in this embodiment can be found in the relevant descriptions of the second communication device in methods 600, 700, and 800 above. For the sake of brevity, they will not be repeated here.

[0166] The communication method in this application embodiment may include a sequence-based uplink and downlink data scheduling method. The downlink payload (DL payload) can transmit not only downlink control information but also small-sized downlink data, and the uplink payload (UL payload) can also transmit small-sized uplink data or uplink control information. Thus, for services with small data volumes, the terminal can skip downlink control information and directly receive low-data-rate downlink data or send low-data-rate uplink data, thereby saving a significant amount of terminal power.

[0167] However, due to the limited number of orthogonal sequences, if each terminal is configured with a corresponding sequence, the terminal still cannot determine whether to receive the DL payload or send the UL payload after detecting the sequence. The embodiments of this application can detect the DL payload and UL payload sequentially, and determine whether to detect the UL payload based on the detection result of the DL payload. This allows for flexible implementation of downlink or uplink scheduling even with only one corresponding sequence configured for each terminal. This achieves power saving for the terminal while minimizing the limited capacity of the sequence-based indicator, enabling uplink and downlink scheduling for more terminals.

[0168] Overview of the technical solution:

[0169] A sequence-based uplink and downlink data scheduling method includes: a terminal first receiving sequence-based indicator information. If the terminal detects its own sequence from the sequence-based indicator information, the terminal receives downlink payload (DL payload); if the terminal does not detect its own downlink data or DCI from the DL payload, the terminal sends uplink payload (UL payload) in a specific uplink resource.

[0170] In one implementation, the terminal receives a DL Payload in a specific downlink resource. The DL Payload is used to receive downlink control information (DCI) and / or downlink data. Specifically, sequence indication information and the DL Payload are transmitted over N (N>1) consecutive OFDM symbols. The sequence indication information is transmitted on the first OFDM symbol, and the DL Payload is transmitted on the remaining N-1 OFDM symbols.

[0171] In one implementation, the UL Payload time-domain resource determination method includes: the terminal transmitting the UL Payload in a specific uplink resource, the UL Payload being used to transmit uplink data and / or uplink control information (UCI).

[0172] Method 1: Send the UL Payload at a time-domain offset position after the sequence indication information or DL ​​Payload.

[0173] Method 1a: The time slot where the UL Payload is located is the Kth time slot after the time slot where the sequence indication information or the DL Payload is located. The terminal receives first configuration information, which includes information about K and the symbol number S of the first symbol of the UL Payload in the time slot where the UL Payload is located.

[0174] The first configuration information is RRC configuration signaling or system information.

[0175] The first configuration information also includes the time domain length of the UL Payload, i.e., the number of symbols L contained in the UL Payload.

[0176] This first configuration information also includes information about the format of the DCI that may be detected in the DL payload.

[0177] You can configure general first configuration information or configure specific first configuration information for each BWP or carrier.

[0178] Method 1b: The first symbol of the UL Payload is the Sth symbol following the sequence indication information or the symbol containing the DL Payload. The terminal receives second configuration information, which includes the information of S.

[0179] The second configuration information is RRC configuration signaling or system information.

[0180] The second configuration information also includes the time domain length of the UL Payload, i.e., the number of symbols L contained in the UL Payload.

[0181] The second configuration information also includes information about the format of the DCI that may be detected in the DL payload.

[0182] You can configure general second configuration information, or configure dedicated second configuration information for each BWP or carrier.

[0183] Method 2: The uplink resources available for the terminal to send UL Payload appear periodically in the time domain. The terminal sends the UL Payload on the first uplink resource available for the terminal to send UL Payload after the sequence indication information or DL ​​Payload.

[0184] The period for uplink resources available for the terminal to send UL Payload is P time slots. The terminal receives third configuration information, which includes one or more of the following: information about P, ​​the time slot number of the time slot where the uplink resource of UL Payload is located within the period, and the symbol number of the first symbol of UL Payload within the time slot.

[0185] The third configuration information is RRC configuration signaling or system information.

[0186] The third configuration information also includes the time domain length of the UL Payload, i.e., the number of symbols L contained in the UL Payload.

[0187] This third configuration information also includes information about the format of the DCI that may be detected in the DL payload.

[0188] It is possible to configure general third configuration information or to configure specific third configuration information for each BWP or carrier.

[0189] In one implementation, the UL Payload frequency domain resource determination method includes: the terminal receiving fourth configuration information, which contains frequency domain resource information of the UL Payload.

[0190] Example 1: Procedure for switching between sequence-based downlink and uplink scheduling

[0191] In this embodiment, the terminal determines whether to detect the uplink payload (UL payload) based on the sequence-based indicator and the detection results of the downlink payload (DL payload). As shown in Figure 12, the terminal first receives the sequence-based indicator. The terminal checks whether a sequence configured for the UE is detected in the sequence-based indicator. If the terminal does not detect a sequence corresponding to its own terminal in the sequence-based indicator, the terminal neither receives the downlink payload (DL payload) in the specific downlink resource nor transmits the uplink payload (UL payload) in the specific uplink resource. For example, if no downlink or uplink payload is detected, the terminal goes to sleep. If the terminal detects its own sequence in the sequence-based indicator, the terminal receives the downlink payload in the specific downlink resource and detects the downlink payload. Based on the detection results of the downlink payload, the terminal determines whether to transmit the UL payload in the specific downlink resource. For example, the terminal can check whether the downlink payload contains downlink data or DCI belonging to this UE.

[0192] If the terminal does not detect its own data or DCI from the downlink payload, it transmits the uplink payload in a specific uplink resource. For example, it transmits uplink data in the uplink payload.

[0193] If the terminal detects its own data or DCI in the downlink payload, it will not transmit the uplink payload in the specific uplink resource. For example, it may receive downlink data or DCI in the downlink payload.

[0194] As shown in Figure 13, if the terminal does not detect the sequence corresponding to itself (the sequence configured for the UE) in the sequence indication information, the terminal will neither receive the downlink payload (DL payload) in the specific downlink resource following the sequence indication information, nor transmit the uplink payload (UL payload) in the specific uplink resource following the sequence indication information. Furthermore, the terminal may enter sleep mode.

[0195] If the terminal detects a sequence corresponding to itself from the sequence-based indicator, the terminal receives the downlink payload in the specific downlink resources following the sequence-based indicator. If the terminal detects its own downlink data (which may be low-rate downlink data) in the downlink payload, the terminal does not transmit the uplink payload in the specific uplink resources following the sequence-based indicator.

[0196] If the terminal detects a sequence corresponding to itself from the sequence-based indicator, the terminal receives the downlink payload in a specific downlink resource following the sequence-based indicator. If the terminal does not detect its own downlink data or DCI (DL Payload) from the downlink payload, the terminal transmits the uplink payload (low-rate uplink data) (UL Payload) in a specific uplink resource following the sequence-based indicator.

[0197] If the terminal detects a sequence corresponding to itself from the sequence indication information, the terminal receives downlink payload in the specific downlink resource following the sequence indication information. If the terminal detects its own downlink DCI from the DL payload, the terminal receives downlink data (which may be high-rate DL data) in the downlink resource specified by the scheduling information in that downlink DCI.

[0198] If the terminal detects a sequence corresponding to itself from the sequence indication information, the terminal receives downlink payload in the specific downlink resource following the sequence indication information. If the terminal detects its own uplink DCI from the downlink payload, the terminal transmits uplink data (which may be high-rate UL data) in the uplink resource specified by the scheduling information in the uplink DCI.

[0199] Blind detection-based PDCCH is one of the main causes of terminal power consumption. Terminals receive DCI by blindly detecting the PDCCH, and then receive downlink data channels (such as PDSCH) according to the scheduling information in the DCI. Even when the base station does not send a DCI for a particular terminal, the terminal must periodically perform blind detection on the PDCCH, resulting in high power consumption on the terminal side. In this embodiment, scheduling based on sequence indication information can reduce terminal power consumption. Sequence detection is a one-time detection, eliminating the need for multiple blind detections, and sequence detection consumes significantly less power than DCI decoding based on channel coding (e.g., Forward Error Correction (FEC)). The terminal only receives the DL payload or sends the UL payload when it detects a sequence configured for itself, thus avoiding unnecessary activation of the demodulator and FEC decoder for demodulating and decoding the DL payload, and also avoiding premature activation of the modulator and FEC encoder for modulation and coding the UL payload.

[0200] In this embodiment, the DL payload can transmit not only downlink control information but also small-sized downlink data, while the UL payload can transmit small-sized uplink data or uplink control information. Thus, for services with small data volumes, the terminal can skip downlink control information and directly receive low-data-rate downlink data or send low-data-rate uplink data, thereby saving a significant amount of terminal power.

[0201] Since the number of orthogonal sequences is limited, if each terminal is configured with a corresponding sequence, the terminal still cannot determine whether to receive the DL payload or send the UL payload after detecting the sequence. This embodiment can flexibly implement downlink or uplink scheduling even when only one corresponding sequence is configured for each terminal. This allows for power saving for the terminal while minimizing the limited capacity of the sequence-based indicator, enabling uplink and downlink scheduling for more terminals.

[0202] Example 2: Determining uplink resources for transmitting UL payload based on the time-domain offset of sequence-based indicator or DL ​​payload.

[0203] If the terminal detects its own sequence from the sequence-based indicator information, and the terminal does not detect its own data or DCI from the DL payload, then the UL payload is transmitted in a specific uplink resource. This specific uplink resource can be determined based on the time-domain offset from the sequence-based indicator or DL ​​payload. As shown in Figure 14A, the candidate time resources for UL data can include candidate resources for UL data and specific uplink resources for the uplink payload (e.g., low-rate UL data).

[0204] If the terminal detects the configured sequence, but the terminal does not detect downlink data or DCI in the downlink payload, the terminal transmits the uplink payload in the uplink resource with a configured time difference from the sequence-based indicator. As shown in Figure 14B, the time-domain offset of this specific uplink resource relative to the sequence-based indicator can be configured to the terminal via RRC signaling or system information. The time-domain offset from the sequence-based indicator to the first symbol of the UL payload can be indicated using either a "symbol-level" or "slot + symbol-level" method. If a "symbol-level" indication is used, the first symbol of the UL payload is the Sth symbol after the symbol containing the sequence indicator. This RRC signaling or system information contains information about S. If a "slot + symbol level" approach is used, the slot containing the UL payload is the Kth slot following the slot containing the sequence-based indicator or the DL payload. This RRC signaling or system information contains information about K and the symbol number S of the first symbol of the UL payload within the UL payload's slot. Based on the slot of the sequence-based indicator and the value of K, the slot containing the UL payload can be determined. Then, based on the value of S, the Sth symbol of the first UL payload within that slot can be determined.

[0205] If the terminal detects the configured sequence, but the terminal does not detect downlink data or DCI in the downlink load, the terminal transmits the uplink load in the uplink resource with a configured time difference from the downlink load. As shown in Figure 14B, the time-domain offset of this specific uplink resource relative to the DL load can be configured to the terminal via RRC signaling or system information. The time-domain offset from the first symbol of the DL load to the first symbol of the UL load can also be indicated using either a "symbol-level" or "time slot + symbol-level" method. If a "symbol-level" indication is used, the first symbol of the UL load is the Sth symbol after the first symbol of the DL load. The RRC signaling or system information includes the information for S. If a "time slot + symbol-level" indication is used, the time slot containing the UL load is the Kth time slot after the first symbol of the DL load or the time slot containing the DL load. The RRC signaling or system information contains information about K and the symbol number S of the first symbol of the UL Payload in the time slot where the UL Payload is located. Based on the time slot where the DL Payload is located and the value of K, the time slot where the UL Payload is located can be determined. Then, based on the value of S, it can be determined that the first symbol of the UL Payload is located as the Sth symbol in the time slot.

[0206] In this embodiment, scheduling based on sequence indication information avoids terminal detection of DCI, thereby reducing terminal power consumption. Besides the DL payload's temporal resources being configurable after the sequence-based indicator, the UL payload's temporal position can be determined by configuring its temporal offset relative to the sequence-based indicator or the DL payload. This way, even if the sequence indication information cannot indicate the temporal positions of the DL and UL payloads, their resources can still be scheduled.

[0207] In addition, even with only one corresponding sequence configured for each terminal, downlink or uplink scheduling can be flexibly implemented. This allows for power saving for terminals while minimizing the limited capacity of sequence-based indicators, enabling uplink and downlink scheduling for more terminals.

[0208] Example 3: The first uplink resource available for the terminal to send the UL payload after the sequence-based indicator. If the terminal detects its own sequence from the sequence indicator information and its own data or DCI from the DL payload, then the UL payload is sent in a specific uplink resource. This specific uplink resource can also be determined based on a series of uplink resources available for the terminal to send the UL payload.

[0209] As shown in Figure 15, if the terminal detects the configured sequence but does not detect downlink data or DCI in the downlink payload, the terminal can transmit the uplink payload in the first candidate resource after the downlink payload. The terminal can first determine a series of uplink resources that periodically appear in the time domain for transmitting the UL payload based on the network's configuration information. For example, the period for uplink resources available for the terminal to transmit the UL payload may be P time slots. The terminal receives configuration information from the network, which includes information about P, ​​the time slot number of the uplink resource containing the UL payload within the period, and the symbol number of the first symbol of the UL payload within the time slot.

[0210] Subsequently, if the terminal detects its own sequence from the sequence indication information, but does not detect its own data or DCI from the DL payload, the terminal transmits the UL payload on the first available uplink resource after the sequence indication information or DL ​​payload.

[0211] In this embodiment, scheduling based on sequence indication information avoids terminal detection of DCI, thereby reducing terminal power consumption. Besides the DL payload's temporal resources being configurable after the sequence-based indicator, the UL payload's temporal position can be determined by first configuring a series of uplink resources available for the terminal to send the UL payload. Then, when the terminal detects its own sequence from the sequence indication information but does not detect its own data or DCI from the DL payload, it selects the first uplink resource available for the terminal to send the UL payload after the sequence indication information or the DL payload, and sends the UL payload. This way, even if the sequence indication information cannot indicate the temporal position of the DL payload and UL payload, the resources of the DL payload and UL payload can still be scheduled.

[0212] Figure 16 is a schematic block diagram of a first communication device 1600 according to an embodiment of the present application. The first communication device 1600 may include:

[0213] The transceiver unit 1610 is configured to: receive sequence indication information from the first communication device; receive a first load when the first communication device detects a sequence corresponding to the first communication device from the sequence indication information; and transmit a second load when the first communication device does not detect first data and / or first control information corresponding to the first communication device from the first load.

[0214] In one embodiment, the first communication device 1600 may further include a processing unit for detecting whether the sequence indication information contains a sequence corresponding to the first communication device. The processing unit may also be used to detect whether the first load contains first data and / or first control information corresponding to the first communication device.

[0215] In one embodiment, the transceiver unit 1610 is further configured to neither receive the first load nor send the second load if the first communication device does not detect a sequence corresponding to the first communication device from the sequence indication information.

[0216] In one implementation, the transceiver unit 1610 is used to receive a first load in a first resource.

[0217] In one implementation, the first resource includes N consecutive orthogonal frequency division multiplexing (OFDM) symbol transmissions, the sequence indication information is transmitted on the first OFDM symbol in the first resource, and the first payload is transmitted on the remaining N-1 OFDM symbols in the first resource, where N is greater than 1.

[0218] In one embodiment, the transceiver unit 1610 is further configured to not transmit the second load if the first communication device detects first data and / or first control information corresponding to the first communication device from the first load. In one embodiment, the first data may be low data rate data, but is not limited thereto.

[0219] In one implementation, the first load is a downlink load used to receive DCI and / or first downlink data. In one implementation, the first downlink data can be low data rate data, but is not limited thereto.

[0220] In one embodiment, the transceiver unit 1610 is further configured to send or receive second data in the resource specified by the first control information when the first communication device detects first control information corresponding to the first communication device from the first load.

[0221] In one implementation, the first control information is DCI, and the second data includes second downlink data and / or first uplink data.

[0222] In one embodiment, the transceiver unit 1610 is configured to receive second downlink data in the downlink resource specified by the scheduling information in the DCI used for downlink scheduling when the specified resource is a specified downlink resource, the first control information is a DCI used for downlink scheduling, and the second data is second downlink data.

[0223] In one embodiment, the transceiver unit 1610 is configured to transmit the first uplink data in the uplink resource specified by the scheduling information in the DCI used for uplink scheduling when the specified resource is a specified uplink resource, the first control information is a DCI used for uplink scheduling, and the second data is the first uplink data.

[0224] In one implementation, the second downlink data and / or the first uplink data are high data rate data, but it is not limited to this.

[0225] In one implementation, the second resource for transmitting the second payload is located at a time-domain resource position following the sequence indication information and / or the first payload.

[0226] In one implementation, the second load is an uplink load used to transmit second uplink data and / or uplink control information (UCI). In one implementation, the second uplink data may be low data rate data, but is not limited thereto.

[0227] In one implementation, the uplink load is transmitted at a position with a timing domain offset following the sequence indication information and / or the downlink load.

[0228] In one implementation, the time slot where the uplink load is located is the Kth time slot following the time slot where the sequence indication information and / or the downlink load is located.

[0229] In one embodiment, the transceiver unit 1610 is further configured to receive first configuration information, which includes information about K and information about the symbol number S1 of the first symbol of the uplink load in the time slot where the uplink load is located.

[0230] In one implementation, the first symbol of the uplink load is the S2th symbol following the symbol containing the sequence indication information and / or the downlink load.

[0231] In one embodiment, the transceiver unit 1610 is further configured to receive second configuration information, which includes the information of S2.

[0232] In one implementation, the uplink resources available for the first communication device to transmit the uplink load appear periodically in the time domain.

[0233] In one implementation, the first communication device transmits the uplink load on the first uplink resource available for the first communication device to transmit the uplink load after the sequence indication information and / or the downlink load.

[0234] In one implementation, the uplink resources available for the first communication device to transmit uplink load occur periodically in P time slots.

[0235] In one embodiment, the transceiver unit 1610 is further configured to receive third configuration information, which includes one or more of the information of P, the time slot number of the uplink resource of the uplink load in the period, and the symbol number of the first symbol of the uplink load in the time slot.

[0236] In one embodiment, the transceiver unit 1610 is further configured to receive fourth configuration information, which includes frequency domain resource information of the uplink load.

[0237] In one implementation, the frequency domain resource information includes the resource block number and / or resource block group number where the uplink resources of the uplink load are located.

[0238] In one implementation, the configuration information is Radio Resource Control (RRC) configuration signaling or system information.

[0239] In one implementation, the configuration information includes the time domain length of the uplink load.

[0240] In one implementation, the configuration information includes information about the format of the DCI that may be detected in the downlink load.

[0241] In one implementation, the configuration information is general or specific to each BWP or cell.

[0242] The first communication device 1600 of this application embodiment can realize the corresponding functions of the first communication device in the foregoing method embodiments. The processes, functions, implementation methods, and beneficial effects of each module (sub-module, unit, or component, etc.) in the first communication device 1600 can be found in the corresponding descriptions in the above method embodiments, and will not be repeated here. It should be noted that the functions described for each module (sub-module, unit, or component, etc.) in the first communication device 1600 of the application embodiment can be implemented by different modules (sub-modules, units, or components, etc.) or by the same module (sub-module, unit, or component, etc.).

[0243] Figure 17 is a schematic block diagram of a second communication device 1700 according to an embodiment of the present application. The second communication device 1700 may include:

[0244] The transceiver unit 1710 is used to send sequence indication information; if a sequence corresponding to the first communication device exists in the sequence indication information, it sends a first load; if the first load does not contain first data and / or first control information corresponding to the first communication device, it receives a second load.

[0245] In one embodiment, the transceiver unit 1710 is further configured to neither send the first load nor receive the second load if there is no sequence corresponding to the first communication device in the sequence indication information.

[0246] In one implementation, the transceiver unit 1710 is used to transmit a first payload in a first resource.

[0247] In one implementation, the first resource includes N consecutive orthogonal frequency division multiplexing (OFDM) symbol transmissions, the sequence indication information is transmitted on the first OFDM symbol in the first resource, and the first payload is transmitted on the remaining N-1 OFDM symbols in the first resource, where N is greater than 1.

[0248] In one embodiment, the transceiver unit 1710 is further configured to not receive the second load if the first load contains first data and / or first control information corresponding to the first communication device. In one embodiment, the first data may be low data rate data, but is not limited thereto.

[0249] In one implementation, the first load is a downlink load used to receive DCI and / or first downlink data. In one implementation, the first downlink data can be low data rate data, but is not limited thereto.

[0250] In one embodiment, the transceiver unit 1710 is further configured to receive or send second data in the resource specified by the first control information when the first control information corresponding to the first communication device exists in the first load.

[0251] In one implementation, the first control information is DCI, and the second data includes second downlink data and / or first uplink data.

[0252] In one embodiment, the transceiver unit 1710 is configured to transmit the second downlink data in the downlink resource specified by the scheduling information in the DCI used for downlink scheduling when the specified resource is a specified downlink resource, the first control information is a DCI used for downlink scheduling, and the second data is second downlink data.

[0253] In one embodiment, the transceiver unit 1710 is configured to receive the first uplink data in the uplink resource specified by the scheduling information in the DCI used for uplink scheduling when the specified resource is a specified uplink resource, the first control information is a DCI used for uplink scheduling, and the second data is the first uplink data.

[0254] In one implementation, the second downlink data and / or the first uplink data are high data rate data, but it is not limited to this.

[0255] In one implementation, the second resource for transmitting the second payload is located at a time-domain resource position following the sequence indication information and / or the first payload.

[0256] In one implementation, the second load is an uplink load used to transmit second uplink data and / or UCI. In one implementation, the second uplink data may be low data rate data, but is not limited thereto.

[0257] In one implementation, the uplink load is transmitted at a position with a timing domain offset following the sequence indication information and / or the downlink load.

[0258] In one implementation, the time slot where the uplink load is located is the Kth time slot following the time slot where the sequence indication information and / or the downlink load is located.

[0259] In one embodiment, the transceiver unit 1710 is further configured to transmit first configuration information, which includes information about K and information about the symbol number S1 of the first symbol of the uplink load in the time slot where the uplink load is located.

[0260] In one implementation, the first symbol of the uplink load is the S2th symbol following the symbol containing the sequence indication information and / or the downlink load.

[0261] In one embodiment, the transceiver unit 1710 is further configured to send second configuration information, which includes the information of S2.

[0262] In one implementation, the uplink resources available for the second communication device to receive the uplink load appear periodically in the time domain.

[0263] In one implementation, the second communication device receives the uplink load on the uplink resources on which the first communication device transmits the uplink load, following the sequence indication information and / or the downlink load.

[0264] In one implementation, the uplink resources available for the second communication device to receive uplink load occur in a period of P time slots.

[0265] In one embodiment, the transceiver unit 1710 is further configured to transmit third configuration information, which includes one or more of the information of P, the time slot number of the uplink resource of the uplink load in the period, and the symbol number of the first symbol of the uplink load in the time slot.

[0266] In one embodiment, the transceiver unit 1710 is further configured to transmit fourth configuration information, which includes frequency domain resource information of the uplink load.

[0267] In one implementation, the frequency domain resource information includes the resource block number and / or resource block group number where the uplink resources of the uplink load are located.

[0268] In one implementation, the configuration information is RRC configuration signaling or system information.

[0269] In one implementation, the configuration information includes the time domain length of the uplink load.

[0270] In one implementation, the configuration information includes information about the format of the DCI that may be detected in the downlink load.

[0271] In one implementation, the configuration information is general, or specific to each bandwidth portion (BWP) or cell.

[0272] The second communication device 1700 of this application embodiment can realize the corresponding functions of the second communication device in the foregoing method embodiments. The processes, functions, implementation methods, and beneficial effects of each module (sub-module, unit, or component, etc.) in the second communication device 1700 can be found in the corresponding descriptions in the above method embodiments, and will not be repeated here. It should be noted that the functions described for each module (sub-module, unit, or component, etc.) in the second communication device 1700 of the application embodiment can be implemented by different modules (sub-modules, units, or components, etc.) or by the same module (sub-module, unit, or component, etc.).

[0273] Figure 18 is a schematic structural diagram of a communication device 1800 according to an embodiment of this application. The communication device 1800 includes a processor 1810, which can call and run computer programs from memory to enable the communication device 1800 to implement the methods in the embodiments of this application.

[0274] In one embodiment, the communication device 1800 may further include a memory 1820. The processor 1810 can retrieve and run computer programs from the memory 1820 to enable the communication device 1800 to implement the methods described in the embodiments of this application.

[0275] The memory 1820 can be a separate device independent of the processor 1810, or it can be integrated into the processor 1810.

[0276] In one embodiment, the communication device 1800 may further include a transceiver 1830, and the processor 1810 may control the transceiver 1830 to communicate with other devices. Specifically, it may send information or data to other devices or receive information or data sent by other devices.

[0277] The transceiver 1830 may include a transmitter and a receiver. The transceiver 1830 may further include an antenna, and the number of antennas may be one or more.

[0278] In one embodiment, the communication device 1800 may be the first communication device in the embodiments of this application, and the communication device 1800 may implement the corresponding processes implemented by the first communication device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0279] In one embodiment, the communication device 1800 may be a second communication device in the embodiments of this application, and the communication device 1800 may implement the corresponding processes implemented by the second communication device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0280] Figure 19 is a schematic structural diagram of a chip 1900 according to an embodiment of this application. The chip 1900 includes a processor 1910, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0281] In one embodiment, chip 1900 may further include memory 1920. Processor 1910 can retrieve and run computer programs from memory 1920 to implement the methods executed by the first or second communication device in this embodiment.

[0282] The memory 1920 can be a separate device independent of the processor 1910, or it can be integrated into the processor 1910.

[0283] In one embodiment, the chip 1900 may further include an input interface 1930. The processor 1910 can control the input interface 1930 to communicate with other devices or chips; specifically, it can acquire information or data sent by other devices or chips.

[0284] In one embodiment, the chip 1900 may further include an output interface 1940. The processor 1910 can control the output interface 1940 to communicate with other devices or chips; specifically, it can output information or data to other devices or chips.

[0285] In one implementation, the chip can be applied to the first communication device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the first communication device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0286] In one implementation, the chip can be applied to the first communication device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the first communication device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0287] The chips used in the first communication device and the second communication device can be the same chip or different chips.

[0288] 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.

[0289] The processors mentioned above can be general-purpose processors, digital signal processors (DSPs), field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), or other programmable logic devices, transistor logic devices, discrete hardware components, etc. Among them, the general-purpose processors mentioned above can be microprocessors or any conventional processor.

[0290] The aforementioned memory can be volatile memory or non-volatile memory, or may include both. Non-volatile memory can 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).

[0291] It should be understood that the above-described memory is exemplary and not a limiting description. For example, the memory in the embodiments of this application may also be static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DRRAM), etc. That is to say, the memory in the embodiments of this application is intended to include, but is not limited to, these and any other suitable types of memory.

[0292] Figure 20 is a schematic block diagram of a communication system 2000 according to an embodiment of the present application. The communication system 2000 includes a first communication device 2010 and a second communication device 2020.

[0293] The first communication device 2010 is configured to receive sequence indication information; if the first communication device detects a sequence corresponding to the first communication device from the sequence indication information, it receives a first load; if the first communication device does not detect first data and / or first control information corresponding to the first communication device from the first load, it transmits a second load.

[0294] The second communication device 2020 is used to send sequence indication information; if a sequence corresponding to the first communication device exists in the sequence indication information, it sends a first load; if the first data and / or first control information corresponding to the first communication device does not exist in the first load, it receives a second load.

[0295] The first communication device 2010 can be used to implement the corresponding functions implemented by the first communication device in the above method, and the second communication device 2020 can be used to implement the corresponding functions implemented by the second communication device in the above method. For the sake of brevity, further details are omitted here.

[0296] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. This computer program product includes one or more computer instructions. When these computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium accessible to a computer or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., DVDs), or semiconductor media (e.g., solid-state drives (SSDs)).

[0297] It should be understood that in the various embodiments of this application, the order of the above-mentioned processes does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0298] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0299] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A communication method, comprising: The first communication device receives sequence indication information; If the first communication device detects a sequence corresponding to the first communication device from the sequence indication information, the first communication device receives a first load; If the first communication device does not detect the first data and / or first control information corresponding to the first communication device from the first load, the first communication device sends a second load.

2. The method according to claim 1, wherein, The method further includes: If the first communication device does not detect a sequence corresponding to the first communication device from the sequence indication information, the first communication device will neither receive the first payload nor send the second payload.

3. The method according to claim 1 or 2, wherein, The first communication device receives a first load, including: The first communication device receives the first load in the first resource.

4. The method according to claim 3, wherein, The first resource includes N consecutive orthogonal frequency division multiplexing (OFDM) symbol transmissions. The sequence indication information is transmitted on the first OFDM symbol in the first resource, and the first payload is transmitted on the remaining N-1 OFDM symbols in the first resource, where N is greater than 1.

5. The method according to any one of claims 1 to 4, wherein, The method further includes: If the first communication device detects first data and / or first control information corresponding to the first communication device from the first load, the first communication device does not send the second load.

6. The method according to any one of claims 1 to 5, wherein, The first load is a downlink load, which is used to receive downlink control information (DCI) and / or first downlink data.

7. The method according to claim 6, wherein, The first downlink data is low data rate data.

8. The method according to claim 6, wherein, The method further includes: When the first communication device detects first control information corresponding to the first communication device from the first load, the first communication device sends or receives second data in the resource specified by the first control information.

9. The method according to claim 8, wherein, The first control information is DCI, and the second data includes second downlink data and / or first uplink data.

10. The method according to claim 9, wherein, The second downlink data and / or the first uplink data are high data rate data.

11. The method according to any one of claims 1 to 10, wherein, The second resource used to send the second payload is located at a time-domain resource position following the sequence indication information and / or the first payload.

12. The method according to any one of claims 1 to 11, wherein, The second load is an uplink load, which is used to send second uplink data and / or uplink control information (UCI).

13. The method according to claim 12, wherein, The second upstream data is low data rate data.

14. The method according to claim 12 or 13, wherein, The uplink load is transmitted at a position with a timing domain offset following the sequence indication information and / or the downlink load.

15. The method according to claim 14, wherein, The time slot where the uplink load is located is the Kth time slot following the time slot where the sequence indication information and / or the time slot where the downlink load is located.

16. The method according to claim 15, wherein, The method further includes: The first communication device receives first configuration information, which includes information about K and information about the symbol number S1 of the first symbol of the uplink load in the time slot where the uplink load is located.

17. The method of claim 14, wherein, The first symbol of the uplink load is the S2th symbol located after the sequence indication information and / or the symbol of the downlink load.

18. The method according to claim 17, wherein, The method further includes: The first communication device receives second configuration information, which includes the information from step S2.

19. The method according to claim 12 or 13, wherein, The uplink resources available for the first communication device to transmit the uplink load appear periodically in the time domain.

20. The method according to claim 19, wherein, The first communication device transmits the uplink load on the first uplink resource available for the first communication device to transmit the uplink load after the sequence indication information and / or downlink load.

21. The method according to claim 19 or 20, wherein, The uplink resources available for the first communication device to send uplink load occur in P time slots.

22. The method according to claim 21, wherein, The method further includes: The first communication device receives third configuration information, which includes information about P, ​​the time slot number of the uplink resource of the uplink load within the period, and one or more of the symbol number of the first symbol of the uplink load within the time slot.

23. The method according to any one of claims 12 to 22, wherein, The method further includes: The first communication device receives fourth configuration information, which includes frequency domain resource information of the uplink load.

24. The method according to claim 23, wherein, The frequency domain resource information includes the resource block number and / or resource block group number where the uplink resources of the uplink load are located.

25. The method according to claim 16, 18, 22, 23 or 24, wherein, The configuration information is Radio Resource Control (RRC) configuration signaling or system information.

26. The method according to claim 16, 18, 22, 23 or 24, wherein, The configuration information includes the time domain length of the uplink load.

27. The method according to claim 16, 18, 22, 23 or 24, wherein, The configuration information includes information about the format of DCI that may be detected in the downlink load.

28. The method according to claim 16, 18, 22, 23 or 24, wherein, The configuration information may be general or specific to each bandwidth portion of the BWP or cell.

29. A communication method, comprising: The second communication device sends sequence indication information; If the sequence indication information contains a sequence corresponding to the first communication device, the second communication device sends a first payload; If the first data and / or first control information corresponding to the first communication device is not present in the first load, the second communication device receives the second load.

30. The method according to claim 29, wherein, The method further includes: If there is no sequence corresponding to the first communication device in the sequence indication information, the second communication device neither sends the first payload nor receives the second payload.

31. The method according to claim 29 or 30, wherein, The second communication device transmits a first payload, including: The second communication device sends a first payload in the first resource.

32. The method according to any one of claims 29 to 31, wherein, The first resource includes N consecutive orthogonal frequency division multiplexing (OFDM) symbol transmissions. The sequence indication information is transmitted on the first OFDM symbol in the first resource, and the first payload is transmitted on the remaining N-1 OFDM symbols in the first resource, where N is greater than 1.

33. The method according to any one of claims 29 to 32, wherein, The method further includes: If the first load contains first data and / or first control information corresponding to the first communication device, the second communication device will not receive the second load.

34. The method according to any one of claims 29 to 33, wherein, The first load is a downlink load, which is used to receive DCI and / or first downlink data.

35. The method according to claim 34, wherein, The first downlink data is low data rate data.

36. The method according to claim 34, wherein, The method further includes: If the first control information corresponding to the first communication device exists in the first load, the second communication device receives or sends second data in the resource specified by the first control information.

37. The method of claim 36, wherein, The first control information is DCI, and the second data includes second downlink data and / or first uplink data.

38. The method according to claim 37, wherein, The second downlink data and / or the first uplink data are high data rate data.

39. The method according to any one of claims 29 to 38, wherein, The second resource used to send the second payload is located at a time-domain resource position following the sequence indication information and / or the first payload.

40. The method according to any one of claims 29 to 39, wherein, The second load is an uplink load, which is used to send second uplink data and / or UCI.

41. The method according to claim 40, wherein, The second upstream data is low data rate data.

42. The method according to claim 40 or 41, wherein, The uplink load is transmitted at a position with a timing domain offset following the sequence indication information and / or the downlink load.

43. The method according to claim 42, wherein, The time slot where the uplink load is located is the Kth time slot following the time slot where the sequence indication information and / or the time slot where the downlink load is located.

44. The method according to claim 43, wherein, The method further includes: The second communication device sends first configuration information, which includes information about K and information about the symbol number S1 of the first symbol of the uplink load in the time slot where the uplink load is located.

45. The method according to claim 42, wherein, The first symbol of the uplink load is the S2th symbol located after the sequence indication information and / or the symbol of the downlink load.

46. ​​The method according to claim 45, wherein, The method further includes: The second communication device sends second configuration information, which includes the information from S2.

47. The method according to claim 40 or 41, wherein, The uplink resources available for the second communication device to receive the uplink load appear periodically in the time domain.

48. The method according to claim 47, wherein, The second communication device receives the uplink load on the uplink resources on which the first communication device transmits the uplink load, following the sequence indication information and / or downlink load.

49. The method according to claim 47 or 48, wherein, The uplink resources available for the second communication device to receive uplink load occur in P time slots.

50. The method according to claim 49, wherein, The method further includes: The second communication device sends third configuration information, which includes one or more of the following: information about P, ​​the time slot number of the uplink resource of the uplink load within the period, and the symbol number of the first symbol of the uplink load within the time slot.

51. The method according to any one of claims 40 to 50, wherein, The method further includes: The second communication device sends fourth configuration information, which includes frequency domain resource information of the uplink load.

52. The method according to claim 51, wherein, The frequency domain resource information includes the resource block number and / or resource block group number where the uplink resources of the uplink load are located.

53. The method according to claim 44, 46, 50, 51 or 52, wherein, The configuration information is RRC configuration signaling or system information.

54. The method according to claim 44, 46, 50, 51 or 52, wherein, The configuration information includes the time domain length of the uplink load.

55. The method according to claim 44, 46, 50, 51 or 52, wherein, The configuration information includes information about the format of DCI that may be detected in the downlink load.

56. The method according to claim 44, 46, 50, 51 or 52, wherein, The configuration information may be general or specific to each bandwidth portion of the BWP or cell.

57. A first communication device, comprising: The transceiver unit is used to receive sequence indication information; The transceiver unit is further configured to receive a first payload when the first communication device detects a sequence corresponding to the first communication device from the sequence indication information; The transceiver unit is further configured to transmit a second load when the first communication device does not detect first data and / or first control information corresponding to the first communication device from the first load.

58. A second communication device, comprising: The transceiver unit is used to send sequence indication information; The transceiver unit is further configured to send a first payload if a sequence corresponding to the first communication device exists in the sequence indication information; The transceiver unit is further configured to receive a second load when there is no first data and / or first control information corresponding to the first communication device in the first load.

59. A communication device, comprising: A transceiver, a processor, and a memory, wherein the memory is used to store a computer program, the transceiver is used to communicate with other devices, and the processor is used to invoke and run the computer program stored in the memory to cause the communication device to perform the method as described in any one of claims 1 to 56.

60. A chip, comprising: A processor for retrieving and running a computer program from memory, causing a device on which the chip is mounted to perform the method as described in any one of claims 1 to 56.

61. A computer-readable storage medium for storing a computer program that, when run by a device, causes the device to perform the method as described in any one of claims 1 to 56.

62. A computer program product comprising computer program instructions that cause a computer to perform the method as described in any one of claims 1 to 56.

63. A computer program that causes a computer to perform the method as claimed in any one of claims 1 to 56.

64. A communication system, comprising: A first communication device is configured to perform the method as described in any one of claims 1 to 28; A second communication device is used to perform the method as described in any one of claims 29 to 56.

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