Communication method, terminal device, and network device

Abstract

The present application relates to a communication method, a terminal device, and a network device. The method comprises: a terminal device receives an information block detection indication channel sent by a network device, wherein the information block detection indication channel is used for indicating transmission of one or more groups of information blocks. The present application can achieve the effects of using a processing capability on demand and optimizing energy saving.

Description

Communication methods, terminal equipment and network equipment Technical Field

[0001] This application relates to the field of communications, and more specifically, to communication methods, terminal equipment, and network equipment. Background Technology

[0002] In existing technologies, energy saving is mainly achieved by controlling the terminal's channel detection in time to reduce terminal power consumption. However, this control has a high time granularity and lacks flexibility in controlling channel detection, preventing the terminal from using processing capabilities on demand, thus resulting in poor energy saving.

[0003] Summary of the Invention

[0004] This application provides a communication method, a terminal device, and a network device.

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

[0006] The terminal device receives a block detection indication channel sent by the network device. This block detection indication channel is used to indicate the transmission of one or more blocks.

[0007] This application provides a communication method, including:

[0008] The network device sends a block detection indication channel to the terminal device. This block detection indication channel is used to indicate the transmission of one or more blocks.

[0009] This application provides a terminal device, including:

[0010] The first transceiver module is used to receive the information block detection indication channel sent by the network device. The information block detection indication channel is used to indicate the transmission of one or more information blocks.

[0011] This application provides a network device, including:

[0012] The second transceiver module is used to send a block detection indication channel to the terminal device. This block detection indication channel is used to indicate the transmission of one or more blocks.

[0013] This application provides a terminal device, including a transceiver, a processor, and a memory. The memory stores computer programs, the transceiver communicates with other devices, and the processor calls and runs the computer programs stored in the memory to enable the terminal device to perform the aforementioned communication method.

[0014] This application provides a network 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 network device to perform the aforementioned communication method.

[0015] This application provides a chip for implementing the above-described communication method.

[0016] 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.

[0017] 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.

[0018] This application provides a computer program that, when run on a computer, causes the computer to perform the aforementioned communication method.

[0019] In this embodiment, the terminal device receives a block detection indication channel sent by the network device. This block detection indication channel can indicate the transmission of one or more blocks. Thus, based on this block detection indication channel, the terminal device can use a terminal receiver with lower power consumption and complexity to receive the indication information of the block detection indication channel. Furthermore, based on the indication information of the block detection indication channel, the terminal device can determine whether it is necessary to activate a receiver with higher power consumption to receive the blocks sent by the network device. This operation can effectively optimize terminal power consumption. Attached Figure Description

[0020] Figure 1 shows a communication system 100.

[0021] Figure 2 is a schematic diagram of a DRX cycle.

[0022] Figure 3 is a schematic flowchart of a communication method 300 according to an embodiment of this application.

[0023] Figure 4A is a schematic diagram of a resource unit occupying continuous frequency domain resources according to an embodiment of the present application.

[0024] Figure 4B is a schematic diagram of a resource unit occupying discontinuous frequency domain resources according to an embodiment of the present application.

[0025] Figure 5 is a schematic flowchart of a communication method 500 according to an embodiment of this application.

[0026] Figure 6A is a schematic diagram of the situation in Embodiment 1 of this application, where a resource unit corresponding to a control / data block occupies continuous frequency domain resources, and the control / data block detection indication channel indicates the transmission of the control / data block.

[0027] Figure 6B is a schematic diagram of the situation in Embodiment 1 of this application, where a resource unit corresponding to a control / data block occupies discontinuous frequency domain resources, and the control / data block detection indication channel indicates the transmission of the control / data block.

[0028] Figure 7 is a schematic diagram of the mapping method of the control / data block detection indication channel according to Embodiment 1 of this application.

[0029] Figure 8 is a schematic block diagram of a terminal device 800 according to an embodiment of the present application.

[0030] Figure 9 is a schematic block diagram of a terminal device 900 according to an embodiment of the present application.

[0031] Figure 10 is a schematic block diagram of a network device 1000 according to an embodiment of the present application.

[0032] Figure 11 is a schematic block diagram of a network device 1100 according to an embodiment of the present application.

[0033] Figure 12 is a schematic structural diagram of a communication device 1200 according to an embodiment of this application.

[0034] Figure 13 is a schematic structural diagram of a chip 1300 according to an embodiment of this application.

[0035] Figure 14 is a schematic block diagram of a communication system 1400 according to an embodiment of this application. Detailed Implementation

[0036] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0037] 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.

[0038] 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.

[0039] 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.

[0040] 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.

[0041] 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.

[0042] 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.

[0043] 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).

[0044] 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.

[0045] 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.

[0046] 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.

[0047] 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.

[0048] 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.

[0049] 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.

[0050] 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.

[0051] 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 Node Bs (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).

[0052] 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.

[0053] 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.

[0054] 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.

[0055] 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.

[0056] 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.

[0057] I. DRX

[0058] For power saving considerations, existing systems all support the Discontinuous Reception (DRX) transmission mechanism. The main principle of DRX is to achieve discontinuous signal reception in the time domain through semi-static configuration. When there is no data transmission, power consumption can be reduced by stopping the reception of the Physical Downlink Control Channel (PDCCH) (at this time, PDCCH blind detection will be stopped).

[0059] The DRX configuration method involves configuring a DRX cycle for a UE in Radio Resource Control (RRC) connected (RRC_CONNECTED) state. Figure 2 is a schematic diagram of a DRX cycle. As shown in Figure 2, the DRX cycle consists of an active time and an inactive time: during the active time, the UE listens for and receives the PDCCH; during the inactive time, the UE does not receive the PDCCH, thereby reducing power consumption.

[0060] II. DRX Wake-up Signal

[0061] In NR's power-saving enhancements, DRX ON can also be used in conjunction with a wake-up signal mechanism. Specifically, the terminal receives an instruction for a power-saving wake-up signal before the DRX ON duration. Referring to Figure 2, when the terminal has data transmission in a DRX cycle, the power-saving wake-up signal "wakes up" the terminal to detect the PDCCH during the DRX ON duration; otherwise, when the terminal has no data transmission in a DRX cycle, the power-saving wake-up signal does not "wake up" the terminal, and the terminal does not need to detect the PDCCH during the DRX ON duration. Compared to the traditional DRX mechanism, when the terminal has no data transmission, it can omit PDCCH detection during the DRX ON duration, thereby achieving power saving. The time before the DRX ON duration is called the inactive time. The time during the DRX ON duration is called the active time.

[0062] The above technologies primarily achieve energy savings through periodic control and detection indication using energy-efficient wake-up signals. These methods control a set of control channels in time to save power. However, the high granularity of control time can lead to significant data service latency. Detecting a single or limited number of control channels still cannot be indicated (wake-up) in an energy-efficient manner. Furthermore, the flexibility of existing wake-up methods' control signal energy-saving techniques is insufficient. Additionally, during wake-up, the resource location of the control information to be woken up needs to be determined.

[0063] Based on this, this application proposes a communication method, and Figure 3 is a schematic flowchart of a communication method 300 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:

[0064] S310. The terminal device receives a block detection indication channel sent by the network device. The block detection indication channel is used to indicate the transmission of one or more blocks.

[0065] In some implementations, the information block includes a control block and / or a data block. In the embodiments of this application, the information block may also be referred to as a control data block, control / data block, control block / data block, control block and / or data block, etc. The information block may include control information, or data information, or both control information and data information.

[0066] The terminal device can be a UE, and the network device can be a base station.

[0067] The terminal device receives a block detection indication channel from the network device. This block detection indication channel can indicate whether the network device should send a block, such as whether to send a control block and / or a data block. If the network device indicates that a block should be sent, it can further indicate the resource unit corresponding to the block.

[0068] In this application, by introducing a first-level information block detection indication channel, the terminal device can use a terminal receiver with lower power consumption and complexity to receive the indication information of the information block detection indication channel. Furthermore, based on the indication information of the information block detection indication channel, the terminal device can determine whether it is necessary to activate a higher power control / data block receiver to receive information blocks (i.e., control blocks and / or data blocks) sent by the network device. Such operation can effectively optimize terminal power consumption.

[0069] Using this scheme, the terminal device can also determine whether to demodulate the information block (i.e., the control block and / or data block) based on the indication information of the information block detection indication channel, and determine the resource location of the control block and / or data block.

[0070] In this embodiment of the application, the information block detection indication channel is used to indicate the transmission of one or more information blocks, and different terminal devices can receive different information blocks.

[0071] For example, the information block detection indication channel indicates whether one or more information blocks should be sent; if one or more information blocks are sent, the information block detection indication channel can also indicate the resource unit corresponding to that one or more information blocks. One information block can correspond to one resource unit, and the information block is sent on that resource unit.

[0072] Resource units can be defined in at least one of the time, frequency, and spatial dimensions.

[0073] Different groups of information blocks correspond to different resource units; that is, different information blocks are sent on their respective resource units.

[0074] Taking the definition of a resource unit in the frequency dimension as an example, a resource unit can occupy continuous frequency domain resources or discontinuous frequency domain resources; if a resource unit occupies discontinuous frequency domain resources, then different resource units can be arranged alternately.

[0075] Figure 4A is a schematic diagram of a resource unit occupying continuous frequency domain resources according to an embodiment of the present application. In the example of Figure 4A, a frequency domain segment includes three resource units, namely resource unit 1, resource unit 2, and resource unit 3, each occupying a continuous frequency domain segment. Figure 4B is a schematic diagram of a resource unit occupying discontinuous frequency domain resources according to an embodiment of the present application. In the example of Figure 4B, a frequency domain segment includes two resource units, namely resource unit 1 and resource unit 2; wherein, resource unit 1 occupies the frequency domain resources represented by the rectangle with the filled pattern in Figure 4B, and resource unit 2 occupies the frequency domain resources represented by the blank rectangle in Figure 4B; it can be seen that resource unit 1 and resource unit 2 are arranged alternately.

[0076] Figures 4A and 4B also show the information block detection indication channel sent by the network device. The location area of ​​this information block detection indication channel is the same as the frequency domain resources occupied by the resource units corresponding to the multiple sets of information blocks it indicates. For example, in Figure 4A, the information block detection indication channel indicates the transmission of three sets of information blocks, where the resource unit corresponding to information block 1 is resource unit 1, the resource unit corresponding to information block 2 is resource unit 2, and the resource unit corresponding to information block 3 is resource unit 3; in the frequency domain, the location area (frequency domain position) of the information block detection indication channel is equal to the frequency domain resources occupied by resource units 1, 2, and 3. In Figure 4B, the information block detection indication channel indicates the transmission of two sets of information blocks, where the resource unit corresponding to information block 1 is resource unit 1, and the resource unit corresponding to information block 2 is resource unit 2; in the frequency domain, the location area (frequency domain position) of the information block detection indication channel is equal to the frequency domain resources occupied by resource units 1 and 2.

[0077] The indication information of the information block detection indication channel can indicate at least one of the following:

[0078] The offset value of the resource unit corresponding to the information block relative to the location region of the information block detection indicator channel;

[0079] The location index of the resource unit corresponding to the information block within the location area of ​​the information block detection indication channel.

[0080] The offset value can be the offset of the starting position of the resource unit relative to the starting position of the location area of ​​the information block detection indication channel, the offset of the ending position of the resource unit relative to the ending position of the location area of ​​the information block detection indication channel, or the offset of a specific position of the resource unit relative to a specific position of the location area of ​​the information block detection indication channel, and so on.

[0081] For example, in the case shown in FIG4A, the indication information of the information block detection indication channel in FIG4A can indicate at least one of the offset values ​​of resource unit 1 relative to the location area of ​​the information block detection indication channel, resource unit 2 relative to the location area of ​​the information block detection indication channel, and resource unit 3 relative to the location area of ​​the information block detection indication channel.

[0082] For example, in the case shown in Figure 4B, each resource unit occupies discontinuous frequency domain resources, and the different resource units are arranged alternately. The indication information of the information block detection indication channel can indicate the position index of the resource unit within the position area of ​​the information block detection indication channel. For example, in the example shown in Figure 4B, the indication information of the information block detection indication channel indicates that the position index of the resource unit corresponding to information block 1 within the position area of ​​the information block detection indication channel is 0, and indicates that the position index of the resource unit corresponding to information block 2 within the position area of ​​the information block detection indication channel is 1. The specific positions corresponding to different indices can be predefined by network configuration or protocol. For example, position index 0 can be pre-configured to correspond to the frequency domain resource range represented by the rectangle with a filled pattern in the position area shown in Figure 4B, and position index 1 can correspond to the frequency domain resource range represented by the blank rectangle in the position area shown in Figure 4B.

[0083] In some implementations, after receiving the information block detection indication channel, the terminal device can determine whether the network device should send an information block based on the information block detection indication channel.

[0084] When a network device sends an information block, the terminal device can determine the resource unit corresponding to the information block and detect and receive the information block on that resource unit.

[0085] The terminal device can determine the resource unit corresponding to the information block based on at least one of the following:

[0086] Information block detection indicates the location area of ​​the channel;

[0087] Information block detection indicates information about the channel;

[0088] Identification information of the terminal device;

[0089] The configured offset value;

[0090] The configured index value.

[0091] The location region of the information block detection indication channel is the location where the network device sends the information block detection indication channel, which is also the location where the terminal device receives the information block detection indication channel.

[0092] In some examples, the terminal device can determine the resource unit corresponding to the information block based on the location area of ​​the information block detection indication channel and the indication information of the information block detection indication channel.

[0093] For example, as in the case described above, the indication information of the information block detection indication channel indicates the offset value of the resource unit corresponding to the information block relative to the location area of ​​the information block detection indication channel, or indicates the location index of the resource unit corresponding to the information block within the location area of ​​the information block detection indication channel; then the terminal device can determine the resource unit corresponding to the information block based on the indication information of the information block detection indication channel and the location area of ​​the information block detection indication channel.

[0094] In other examples, the terminal device can determine the resource unit corresponding to the information block based on the terminal device's identification (ID) information and the indication information of the information block detection indication channel.

[0095] For example, taking the example shown in Figure 4B, a pre-defined algorithm is used to calculate the ID of the terminal device. The ID is then subjected to a modulo 2 operation, i.e., calculating ID mod 2. If ID mod 2 = 0, it means the position index of the resource unit corresponding to the signal block of the terminal device within the location area of ​​the information block detection indication channel is 0; if ID mod 2 = 1, it means the position index of the resource unit corresponding to the signal block of the terminal device within the location area of ​​the information block detection indication channel is 1. Therefore, based on its own ID, the terminal device can determine which part of the location area of ​​the information block detection indication channel is occupied by the resource unit corresponding to the information block sent by the network device. Combining the location area of ​​the information block detection indication channel with the specific positions corresponding to different pre-configured or defined indices, the terminal device can determine the specific position of the resource unit corresponding to the information block sent by the network device. It can be seen that in this scheme, multiple different information blocks can be separated in the frequency domain or time domain, thus allowing a certain number of terminal devices to be reused for use by multiple terminal devices.

[0096] In other examples, the terminal device can determine the resource unit corresponding to the information block based on the pre-configured offset value, index value, and the location area of ​​the information block detection indication channel.

[0097] The pre-configured offset value can be the offset value of the resource unit corresponding to the information block relative to the location area of ​​the information block detection indication channel.

[0098] The pre-configured index value can be the location index of the resource unit corresponding to the information block within the location area of ​​the information block detection indication channel.

[0099] Furthermore, in this embodiment, the modulation scheme of the information block detection indication channel may be different from the modulation scheme of the information block.

[0100] For example, information blocks are based on channel-coded orthogonal frequency division multiple access (OFDM) modulation.

[0101] For example, the information block detection indication channel is based on sequence modulation, i.e.,

[0102] Different indication information in the information block detection indication channel is carried using different sequences;

[0103] The sequence of the indication information is modulated onto one or more OFDM symbols.

[0104] The sequences include complex (vector) sequences such as Constant Amplitude Zero Auto-Correlation (CAZAC) sequences and Zadoff-Chu (ZC) sequences. They may also include pseudo-random (PN) sequences, Gold sequences, M sequences, Hadamard sequences, or other real number sequences.

[0105] The sequence of indication information can be mapped onto multiple consecutive subcarriers; the number of subcarriers can be 2, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72 or other positive integers.

[0106] This application also proposes a communication method. FIG5 is a schematic flowchart of a communication method 500 according to an embodiment of this application. This method can optionally be applied to the system shown in FIG1, but is not limited thereto. The method includes at least a portion of the following:

[0107] S510. The network device sends a block detection indication channel to the terminal device. This block detection indication channel is used to indicate the transmission of one or more blocks.

[0108] In some implementations, the information block includes a control data block, a control / data block, a control block / data block, or a control block and / or a data block, etc. The information block may include control information, or data information, or both control information and data information.

[0109] In some implementations, the information block detection indication channel can be used to indicate whether to send one or more sets of information blocks.

[0110] When transmitting one or more sets of information blocks, the information block detection indication channel can also be used to indicate the resource unit corresponding to the one or more sets of information blocks.

[0111] Resource units can be defined in at least one of the following dimensions: time, frequency, and space.

[0112] Different groups of information blocks correspond to different resource units; that is, different information blocks are sent on their respective resource units.

[0113] Taking the definition of a resource unit in the frequency dimension as an example, a resource unit can occupy continuous frequency domain resources or discontinuous frequency domain resources; if a resource unit occupies discontinuous frequency domain resources, then different resource units can be arranged alternately.

[0114] In some examples, the indication information of the information block detection channel can indicate at least one of the following:

[0115] The offset value of the resource unit corresponding to the information block relative to the location region of the information block detection indicator channel;

[0116] The location index of the resource unit corresponding to the information block within the location area of ​​the information block detection indication channel.

[0117] Through the information block detection indication channel, network devices can indicate to terminal devices whether to send an information block, and if an information block is sent, can further indicate the resource unit corresponding to the information block. For example, the offset value of the resource unit corresponding to the information block relative to the location area of ​​the information block detection indication channel, and / or the location index of the resource unit corresponding to the information block within the location area of ​​the information block detection indication channel.

[0118] After sending the information block detection indication channel, the network device can send one or more information blocks to the terminal device.

[0119] In this way, the terminal device can determine the resource unit of the information block based on the indication of the information block detection indication channel and the location area of ​​the information block detection indication channel, and detect and receive the information block sent by the network device on the resource unit.

[0120] Alternatively, via the block detection indication channel, the network device can indicate to the terminal device whether to send a block, but without indicating the resource unit corresponding to the block. In this case, the terminal device can determine the resource unit of the block based on the location area of ​​the block detection indication channel and its own ID, and detect and receive the block sent by the network device on that resource unit; or, the terminal device can determine the resource unit of the block based on the location area of ​​the block detection indication channel, a pre-configured offset value, and / or a pre-configured location index, and detect and receive the block sent by the network device on that resource unit.

[0121] In some implementations, the modulation scheme of the information block detection indication channel may be different from the modulation scheme of the information block.

[0122] For example, network devices perform OFDM modulation on information blocks based on channel coding.

[0123] For example, network devices perform sequence modulation on the information block detection indication channel. Specifically, the network device can determine the sequence corresponding to the indication information of the information block detection indication channel and modulate the sequence onto one or more OFDM symbols.

[0124] The sequences include complex (vector) sequences such as CAZAC sequences and Zaddoff Chu (ZC) sequences. They may also include PN sequences, Gold sequences, M sequences, Hadamard sequences, or other real number sequences.

[0125] The sequence of indication information can be mapped onto multiple consecutive subcarriers; the number of subcarriers can be 2, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72 or other positive integers.

[0126] For a specific example of the network device execution method 500 in this embodiment, please refer to the relevant description of the network device, such as the base station, in the above-described communication method 500. For the sake of brevity, it will not be repeated here.

[0127] The following detailed description, in conjunction with the accompanying drawings, provides specific embodiments.

[0128] Example 1:

[0129] In this embodiment, the information block is used as a control / data block, and the information block detection indication channel is used as a control / data block detection indication channel. In this embodiment, the network device (such as a base station) sends a control / data block detection indication channel to the terminal device to instruct the transmission and reception of control / data blocks. The control / data blocks indicated by the control / data block detection indication channel are one or more groups, and the indicated control / data blocks are mapped to corresponding resource units. The definition of a resource unit includes at least one of the following: time dimension, frequency dimension, and spatial dimension.

[0130] In this embodiment, the modulation scheme of the control / data block detection indication channel is different from that of the control / data block.

[0131] For example, network devices perform sequence modulation on the control / data block detection indication channel.

[0132] Specifically, the indication information of the control / data block detection indication channel is carried through sequence selection, that is: n bits (n is a positive integer) of indication information are carried in 2 n Each sequence corresponds to a different value for the indicated information.

[0133] When n=1, meaning the length of the indication information in the control / data block detection indication channel is 1 bit, this channel indicates the "enabled" status of the control / data block, i.e., whether the network device should send a control / data block. For example, if the indication information of the control / data block detection indication channel is 0, it means the network device does not send a control / data block; if the indication information is 1, it means the network device sends a control / data block. Similarly, if the indication information of the control / data block detection indication channel is 0, it means the network device sends a control / data block; if the indication information is 1, it means the network device does not send a control / data block.

[0134] Figures 6A and 6B are schematic diagrams illustrating two scenarios where the control / data block detection indication channel instructs the transmission of control / data blocks according to Embodiment 1 of this application. In the example of Figure 6A, the resource unit corresponding to a control / data block occupies contiguous frequency domain resources, the control / data block detection indication channel instructs the transmission of the control / data block, and the control / data block is transmitted on its corresponding resource unit. In the example of Figure 6B, the resource unit corresponding to a control / data block occupies discontinuous frequency domain resources, and the resource units corresponding to different control / data blocks are arranged alternately. The control / data block detection indication channel instructs the transmission of the control / data block, and the control / data block is transmitted on its corresponding resource unit.

[0135] In some examples, network devices modulate the sequence corresponding to the indication information of the Control / Data Block Detection Indication Channel onto one or more OFDM symbols. This sequence can include complex (vector) sequences such as CAZAC sequences and Zadoff-Chu (ZC) sequences. It can also include PN sequences, Gold sequences, M sequences, Hadamard sequences, or other real number sequences.

[0136] The method for mapping the indication signal of the control / data block detection indication channel onto OFDM symbols is as follows: In the frequency domain, the sequence corresponding to the indication signal (e.g., y(1)~y(m)) is mapped onto a set of consecutive subcarriers. One symbol in the sequence is mapped onto one subcarrier, and the sequence comprises m symbols mapped onto m consecutive subcarriers. For example, the value of m can be 2, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72, or other positive integers.

[0137] Figure 7 is a schematic diagram of the mapping method of the control / data block detection indication channel according to Embodiment 1 of this application. In the example shown in Figure 7, the indication signal length of the control / data block detection indication channel is 1 bit, and the value of the indication signal can be 0 or 1, used to indicate whether to send or not send control / data blocks. When the network device sends the control / data block detection indication channel, it selects the corresponding sequence according to the indication information of the control / data block detection indication channel. The sequence is y(1) to y(m), maps the sequence to OFDM symbols, and sends it.

[0138] In some examples, the transmission of the control / data block channel is based on OFDM modulation. That is, the raw control / data block information is encoded into a bit sequence through channel encoding and decoding. This bit sequence is directly modulated onto modulation symbols, and finally, multiple modulation symbols are mapped to the resource units of the corresponding control / data blocks. These resource units include pure frequency division multiplexing and comb-tooth frequency division multiplexing in the frequency domain (i.e., resource units of different control / data blocks are arranged alternately).

[0139] In addition to indicating whether to transmit a control / data block, the indication information of the control / data block detection indication channel can also indicate the position of the resource element of the control / data block relative to the location area of ​​the control / data block detection indication channel, for example:

[0140] The control / data block detection indication channel indicates at least one of the following:

[0141] The offset value of the resource unit of the control / data block relative to the location area of ​​the control / data block detection indication channel;

[0142] The location index of the resource unit of the control / data block within the location area of ​​the control / data block detection indication channel.

[0143] If a resource element corresponding to a control / data block occupies contiguous frequency domain resources, the control / data block detection indication channel can indicate the offset value of the resource element of the control / data block relative to the position area of ​​the control / data block detection indication channel; if a resource element corresponding to a control / data block occupies discontinuous frequency domain resources, and resource elements corresponding to different control / data blocks are interleaved, the control / data block detection indication channel can indicate the position index of the resource element of the control / data block within the position area of ​​the control / data block detection indication channel.

[0144] After receiving the control / data block detection indication channel, the terminal device determines whether the network device should send a control / data block based on the indication information of the control / data block detection indication channel; if it does send a control / data block, the terminal device can determine the location of the resource unit of the control / data block based on one of the following:

[0145] Indication information for the control / data block detection indication channel;

[0146] Control / data block detection indicates the location of the channel;

[0147] The ID of the terminal device.

[0148] For example, a terminal device can determine the relative position of a resource element with respect to the control / data block detection indication channel based on the indication information of the control / data block detection indication channel, including:

[0149] The frequency domain position of the resource unit relative to the frequency domain position of the control / data block detection indication channel is determined based on the value of the control / data block detection indication channel; and / or,

[0150] Based on the value of the control / data block detection indication channel, the frequency domain position index of the resource unit within the frequency domain range of the control / data block detection indication channel is determined; then, combined with the specific content indicated by different position indices, the terminal device can determine the position of the resource unit within the frequency domain range of the control / data block detection indication channel.

[0151] For example, a terminal device can determine the relative position of a resource unit with respect to the control / data block detection indication channel based on its own ID. For instance, the terminal device uses a pre-defined algorithm to calculate the ID, and based on the calculation result, determines the frequency domain position index of the resource unit within the frequency domain range of the control / data block detection indication channel. Then, by combining the specific information indicated by different position indices, the terminal device can determine the position of the resource unit within the frequency domain range of the control / data block detection indication channel.

[0152] Based on the relative position of the resource unit with respect to the control / data block detection indication channel, and the position of the control / data block detection indication channel, the terminal device can determine the specific location of the control / data block in the frequency domain.

[0153] Furthermore, the terminal device can perform OFDM demodulation at the specific location of the control / data block in the frequency domain (i.e., on the channel resource unit of the control / data block). For example, all modulation symbols can be coherently demodulated on the resource unit of the corresponding control / data block, and the obtained information bits can be formed into a prototype information sequence through channel decoding to finally obtain the control / data information transmitted by the base station.

[0154] Example 2:

[0155] In this embodiment, the information block is used as a control / data block, and the information block detection indication channel is used as a control / data block detection indication channel. In this embodiment, the network device (such as a base station) sends a control / data block detection indication channel to the terminal device to instruct the transmission and reception of control / data blocks. The control / data blocks indicated by the control / data block detection indication channel are one or more groups, and the indicated control / data blocks are mapped to corresponding resource units. The definition of a resource unit includes at least one of the following: time dimension, frequency dimension, and spatial dimension.

[0156] In this embodiment, the modulation scheme of the control / data block detection indication channel is different from that of the control / data block.

[0157] For example, network devices perform sequence modulation on the control / data block detection indication channel.

[0158] Specifically, the indication information of the control / data block detection indication channel is carried through sequence selection, that is: n bits (n is a positive integer) of indication information are carried in 2 n Each sequence corresponds to a different value for the indicated information.

[0159] When n=1, meaning the length of the indication information in the control / data block detection indication channel is 1 bit, this channel indicates the "enabled" status of the control / data block, i.e., whether the network device should send a control / data block. For example, if the indication information of the control / data block detection indication channel is 0, it means the network device does not send a control / data block; if the indication information is 1, it means the network device sends a control / data block. Similarly, if the indication information of the control / data block detection indication channel is 0, it means the network device sends a control / data block; if the indication information is 1, it means the network device does not send a control / data block.

[0160] In this embodiment, the resource unit corresponding to a control / data block can occupy contiguous frequency domain resources or discontinuous channel resources; if the resource unit corresponding to a control / data block occupies discontinuous channel resources, the resource units corresponding to different control / data blocks can be arranged alternately. The examples shown in Figures 6A and 6B of Embodiment 1 can be referenced for the aforementioned two cases, and will not be repeated here.

[0161] In some examples, the network device modulates the sequence corresponding to the indication information of the control / data block detection indication channel onto one or more OFDM symbols. This sequence can include complex (vector) sequences such as Constant Amplitude Zero Auto-Correlation (CAZAC) sequences and Zaddoff-Chu (ZC) sequences. It can also include pseudo-noise (PN) sequences, Gold sequences, M sequences, Hadamard sequences, or other real-number sequences.

[0162] The method for mapping the indication signal of the control / data block detection indication channel onto OFDM symbols is as follows: In the frequency domain, the sequence corresponding to the indication signal (e.g., y(1)~y(m)) is mapped onto a set of consecutive subcarriers. One symbol in the sequence is mapped onto one subcarrier, and the sequence comprises m symbols mapped onto m consecutive subcarriers. For example, the value of m can be 2, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72, or other positive integers. The mapping method of the control / data block detection indication channel can be referred to in the example shown in Figure 7 of Embodiment 1, and will not be repeated here.

[0163] In some examples, the transmission of the control / data block channel is based on OFDM modulation. That is, the raw control / data block information is encoded into a bit sequence through channel encoding and decoding. This bit sequence is directly modulated onto modulation symbols, and finally, multiple modulation symbols are mapped to the resource units of the corresponding control / data blocks. These resource units include pure frequency division multiplexing and comb-tooth frequency division multiplexing in the frequency domain (i.e., resource units of different control / data blocks are arranged alternately).

[0164] In this embodiment, the control / data block detection indication channel only indicates whether to send a control / data block, but does not indicate the specific location where the control / data block is sent, that is, it does not indicate the resource unit corresponding to the control / data block.

[0165] In this scenario, after receiving the control / data block detection indication channel, if the terminal device determines that the network device has sent a control / data block based on the indication information of the control / data block detection indication channel, the terminal device can determine the resource unit corresponding to the control / data block based on the base station's configuration information and the location of the control / data block detection indication channel.

[0166] For example, the configuration information includes pre-configured offset values ​​and / or pre-configured index values;

[0167] Specifically, this configuration information may indicate at least one of the following:

[0168] The offset value of the resource unit of the control / data block relative to the location area of ​​the control / data block detection indication channel;

[0169] The location index of the resource unit of the control / data block within the location area of ​​the control / data block detection indication channel.

[0170] If a resource element corresponding to a control / data block occupies contiguous frequency domain resources, the configuration information can indicate the offset value of the resource element of the control / data block relative to the location region of the control / data block detection indication channel; if a resource element corresponding to a control / data block occupies discontinuous frequency domain resources, and the resource elements corresponding to different control / data blocks are interleaved, the configuration information can indicate the position index of the resource element of the control / data block within the location region of the control / data block detection indication channel.

[0171] This configuration information indicates the relative position of the resource unit with respect to the control / data block detection indication channel. After the terminal device receives the control / data block detection indication channel, it determines whether the network device should send a control / data block based on the indication information of the control / data block detection indication channel. If it does send a control / data block, the terminal device can determine the specific location of the control / data block in the frequency domain based on the relative position and the position of the control / data block detection indication channel.

[0172] Furthermore, the terminal device can perform OFDM demodulation at the specific location of the control / data block in the frequency domain (i.e., on the channel resource unit of the control / data block). For example, all modulation symbols can be coherently demodulated on the resource unit of the corresponding control / data block, and the obtained information bits can be formed into a prototype information sequence through channel decoding to finally obtain the control / data information transmitted by the base station.

[0173] The above embodiments describe several methods for a terminal device to determine the resource unit of a control / data block, including: the terminal device determining the resource unit of the control / data block based on the indication information of the control / data block detection indication channel and the location of the control / data block detection indication channel; or, the terminal device determining the resource unit of the control / data block based on the ID of the terminal device and the location of the control / data block detection indication channel; or, the terminal device determining the resource unit of the control / data block based on a pre-configured offset value and / or location index and the location of the control / data block detection indication channel. In other embodiments of this application, the above determination methods can be reasonably combined. For example, the terminal device determines the resource unit of the control / data block based on at least one of the indication information of the control / data block detection indication channel, the ID of the terminal device, and the location of the control / data block detection indication channel.

[0174] In summary, the communication method proposed in this disclosure uses low-power sequence indicators to indicate whether control and data are detected, and switches between different processing cores through a terminal device to achieve different energy consumption and performance levels. In this scheme, the terminal device can decide whether to activate the power-consuming control signal demodulation processing capability based on relatively energy-efficient indicator signals (such as the indication information of the control / data block detection indicator channel), achieving energy saving. This scheme defines a multi-level control channel structure, using lower-energy-consumption signals to progressively activate higher-energy-consumption control detection. This scheme can be extended to other hierarchical indication and control structures to achieve the effect of using processing power on demand and controlling detection energy consumption.

[0175] This application also proposes a terminal device, and FIG8 is a schematic block diagram of a terminal device 800 according to an embodiment of this application. The terminal device 800 may include:

[0176] The first transceiver module 810 is used to receive a block detection indication channel sent by a network device. The block detection indication channel is used to indicate the transmission of one or more blocks.

[0177] In some implementations, the information block detection indication channel is used to indicate the transmission of one or more sets of information blocks, including:

[0178] The information block detection indication channel is used to indicate whether to send the one or more sets of information blocks.

[0179] In some implementations, the information block detection indication channel is also used to indicate resource units corresponding to one or more information blocks.

[0180] In some implementations, resource units are defined in at least one of the time, frequency, and spatial dimensions.

[0181] In some implementations, different groups of information blocks correspond to different resource units, and different resource units occupy consecutive frequency domain resources or interleaved frequency domain resources.

[0182] In some implementations, the information block detection indication channel indicates the resource unit corresponding to the information block, including:

[0183] The information block detection indicates the indication information of the channel, indicating at least one of the following:

[0184] The offset value of the resource unit corresponding to the information block relative to the location region of the detection indication channel;

[0185] The resource unit corresponding to this information block is located within the location area of ​​the information block detection indication channel.

[0186] This application also proposes a terminal device. FIG9 is a schematic block diagram of a terminal device 900 according to an embodiment of this application. The terminal device 900 may include: a first transceiver module 810 and a first processing module 920: wherein,

[0187] The first processing module 920 is used to determine whether the network device sends the information block based on the information block detection indication channel; and if the network device sends the information block, determine the resource unit corresponding to the information block.

[0188] In some implementations, the first transceiver module 810 is also used to detect and receive information blocks on the resource unit.

[0189] In some implementations, the first processing module 920 is configured to determine the resource unit corresponding to the information block based on at least one of the following:

[0190] Information block detection indicates the location area of ​​the channel;

[0191] The information block detection indicates the indication information of the channel;

[0192] Identification information of the terminal device;

[0193] Pre-configured offset value;

[0194] Pre-configured index values.

[0195] In some implementations, the modulation scheme of the information block detection indication channel is different from that of the information block.

[0196] In some implementations, the information block is based on channel-coded orthogonal frequency division multiplexing (OFDM) modulation.

[0197] In some implementations, different indication information of the information block detection indication channel is carried by different sequences;

[0198] The sequence of indication information is modulated onto one or more OFDM symbols.

[0199] In some implementations, the sequence of indication information is modulated onto one or more OFDM symbols, including:

[0200] The sequence of indication information is mapped onto multiple consecutive subcarriers.

[0201] In some implementations, the information block includes a control block and / or a data block.

[0202] The terminal devices 800 and 900 in this application embodiment can implement the corresponding functions of the terminal devices in the aforementioned method embodiments. The processes, functions, implementation methods, and beneficial effects of each module (sub-module, unit, or component, etc.) in terminal devices 800 and 900 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 in the various modules (sub-modules, units, or components, etc.) of terminal devices 800 and 900 in the application embodiments can be implemented by different modules (sub-modules, units, or components, etc.) or by the same module (sub-module, unit, or component, etc.).

[0203] Figure 10 is a schematic block diagram of a network device 1000 according to an embodiment of the present application. The network device 1000 may include:

[0204] The second transceiver module 1010 is used to send an information block detection indication channel to the terminal device. The information block detection indication channel is used to indicate the transmission of one or more information blocks.

[0205] In some implementations, the information block detection indication channel is used to indicate the transmission of one or more sets of information blocks, including:

[0206] The information block detection indication channel is used to indicate whether to send the one or more sets of information blocks.

[0207] In some implementations, the information block detection indication channel is also used to indicate the resource units corresponding to the one or more sets of information blocks.

[0208] In some implementations, resource units are defined in at least one of the time, frequency, and spatial dimensions.

[0209] In some implementations, different groups of information blocks correspond to different resource units, and different resource units occupy consecutive frequency domain resources or interleaved frequency domain resources.

[0210] In some implementations, the information block detection indication channel indicates the resource unit corresponding to the information block, including:

[0211] The information block detects indication information for the channel, indicating at least one of the following:

[0212] The offset value of the resource unit corresponding to the information block relative to the location region of the detection indication channel;

[0213] The resource unit corresponding to this information block is located within the location area of ​​the information block detection indication channel.

[0214] In some implementations, the second transceiver module 1010 is also used to send one or more sets of information blocks to the terminal device.

[0215] In some implementations, the modulation scheme of the information block detection indication channel is different from that of the information block.

[0216] This application also proposes a network device. FIG11 is a schematic block diagram of a network device 1100 according to an embodiment of this application. The network device 1100 may include: a second transceiver module 1010 and a modulation module 1120: wherein,

[0217] The modulation module 1120 is used to perform channel-coded OFDM modulation on the information block.

[0218] In some implementations, the modulation module 1120 is used to determine the sequence corresponding to the indication information of the information block detection indication channel; and modulate the sequence onto one or more OFDM symbols.

[0219] In some implementations, the modulation module 1120 is used to map a sequence of indication information onto a plurality of consecutive subcarriers.

[0220] In some implementations, the information block includes a control block and / or a data block.

[0221] Network devices 1000 and 1100 in this application embodiment can implement the corresponding functions of the network devices in the aforementioned method embodiments. The processes, functions, implementation methods, and beneficial effects of each module (sub-module, unit, or component, etc.) in network devices 1000 and 1100 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 network devices 1000 and 1100 in this 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.).

[0222] Figure 12 is a schematic structural diagram of a communication device 1200 according to an embodiment of this application. The communication device 1200 includes a processor 1210, which can call and run computer programs from memory to enable the communication device 1200 to implement the methods in the embodiments of this application.

[0223] In one embodiment, the communication device 1200 may further include a memory 1220. The processor 1210 can retrieve and run computer programs from the memory 1220 to enable the communication device 1200 to implement the methods described in the embodiments of this application.

[0224] The memory 1220 can be a separate device independent of the processor 1210, or it can be integrated into the processor 1210.

[0225] In one embodiment, the communication device 1200 may further include a transceiver 1230, and the processor 1210 may control the transceiver 1230 to communicate with other devices. Specifically, it may send information or data to other devices or receive information or data sent by other devices.

[0226] The transceiver 1230 may include a transmitter and a receiver. The transceiver 1230 may further include an antenna, and the number of antennas may be one or more.

[0227] In one embodiment, the communication device 1200 may be a network device in the embodiments of this application, and the communication device 1200 may implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0228] In one embodiment, the communication device 1200 may be a terminal device in the embodiments of this application, and the communication device 1200 may implement the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0229] Figure 13 is a schematic structural diagram of a chip 1300 according to an embodiment of this application. The chip 1300 includes a processor 1310, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0230] In one embodiment, chip 1300 may further include memory 1320. Processor 1310 can retrieve and run computer programs from memory 1320 to implement the methods executed by a terminal device or network device in this embodiment.

[0231] The memory 1320 can be a separate device independent of the processor 1310, or it can be integrated into the processor 1310.

[0232] In one embodiment, the chip 1300 may further include an input interface 1330. The processor 1310 can control the input interface 1330 to communicate with other devices or chips; specifically, it can acquire information or data sent by other devices or chips.

[0233] In one embodiment, the chip 1300 may further include an output interface 1340. The processor 1310 can control the output interface 1340 to communicate with other devices or chips; specifically, it can output information or data to other devices or chips.

[0234] In one implementation, the chip can be applied to the network device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0235] In one implementation, the chip can be applied to the terminal device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0236] The chips used in network equipment and terminal equipment can be the same chip or different chips.

[0237] 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.

[0238] 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.

[0239] The aforementioned memory can be volatile memory or non-volatile memory, or a combination of 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).

[0240] 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 (DR RAM), 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.

[0241] Figure 14 is a schematic block diagram of a communication system 1400 according to an embodiment of the present application. The communication system 1400 includes a terminal device 1410 and a network device 1420.

[0242] A terminal device, comprising:

[0243] The first transceiver module is used to receive the information block detection indication channel sent by the network device. The information block detection indication channel is used to indicate the transmission of one or more information blocks.

[0244] A network device, comprising:

[0245] The second transceiver module is used to send a block detection indication channel to the terminal device. This block detection indication channel is used to indicate the transmission of one or more blocks.

[0246] The terminal device 1410 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 1420 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, further details are omitted here.

[0247] 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)).

[0248] 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.

[0249] 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.

[0250] 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 method for communication, comprising: receiving, by a terminal device, an information block detection indication channel transmitted by a network device, the information block detection indication channel being used to indicate transmission of one or more groups of information blocks.

2. The method of claim 1, wherein, the information block detection indication channel is used to indicate transmission of one or more groups of information blocks, comprising: the information block detection indication channel is used to indicate whether the one or more groups of information blocks are transmitted.

3. The method of claim 2, wherein, the information block detection indication channel is further used to indicate resource units corresponding to the one or more groups of information blocks.

4. The method of claim 3, wherein, the resource units are defined in at least one of a time dimension, a frequency dimension and a spatial dimension.

5. The method of claim 4, wherein, the information blocks of different groups correspond to different resource units, and the different resource units occupy contiguous frequency domain resources or staggered frequency domain resources.

6. The method of any one of claims 3-5, wherein, the information block detection indication channel indicates resource units corresponding to information blocks, comprising: the indication information of the information block detection indication channel indicates at least one of: an offset value of the resource units corresponding to the information blocks relative to a location area of the information block detection indication channel; a location index of the resource units corresponding to the information blocks within the location area of the information block detection indication channel. 7.The method of any one of claims 1-6, further comprising: determining, by the terminal device, whether the network device transmits the information blocks according to the information block detection indication channel; in a case where the network device transmits the information blocks, determining, by the terminal device, resource units corresponding to the information blocks, and detecting and receiving the information blocks on the resource units.

8. The method of claim 7, wherein, determining, by the terminal device, the resource units corresponding to the information blocks, comprising: determining, by the terminal device, the resource units corresponding to the information blocks according to at least one of: a location area of the information block detection indication channel; indication information of the information block detection indication channel; identification information of the terminal device; a preconfigured offset value; a preconfigured index value.

9. The method of any one of claims 1-8, wherein, a modulation mode of the information block detection indication channel is different from a modulation mode of the information blocks.

10. The method of claim 9, wherein, the information blocks are based on orthogonal frequency division multiplexing (OFDM) modulation of channel coding. 11.The method of claim 9, wherein: different indication information of the information block detection indication channel is carried by different sequences; the sequences of the indication information are modulated on one or more OFDM symbols.

12. The method of claim 11, wherein, the sequences of the indication information are modulated on one or more OFDM symbols, comprising: the sequences of the indication information are mapped on a plurality of contiguous subcarriers.

13. The method of any one of claims 1-12, wherein, the information blocks comprise control blocks and / or data blocks. 14.A method for communication, comprising: transmitting, by a network device, an information block detection indication channel to a terminal device, the information block detection indication channel being used to indicate transmission of one or more groups of information blocks.

15. The method of claim 14, wherein, the information block detection indication channel is used to indicate transmission of one or more groups of information blocks, comprising: the information block detection indication channel is used to indicate whether the one or more groups of information blocks are transmitted.

16. The method of claim 15, wherein, the information block detection indication channel is further used to indicate resource units corresponding to the one or more groups of information blocks.

17. The method of claim 16, wherein, the resource units are defined in at least one of a time dimension, a frequency dimension and a spatial dimension.

18. The method of claim 17, wherein, The different groups of the information blocks correspond to different resource units, and the different resource units occupy continuous frequency domain resources or staggered frequency domain resources.

19. The method of any one of claims 16-18, wherein, The information block detection indication channel indicates a resource unit corresponding to an information block, including: The indication information of the information block detection indication channel indicates at least one of the following: An offset value of the resource unit corresponding to the information block relative to a location area of the information block detection indication channel; A location index of the resource unit corresponding to the information block within the location area of the information block detection indication channel.

20. The method of any of claims 14-19, further comprising, The network device sends the one or more groups of information blocks to the terminal device.

21. The method of any one of claims 14-20, wherein, The modulation mode of the information block detection indication channel is different from the modulation mode of the information block.

22. The method of claim 21, further comprising, the network device performing channel coding based OFDM modulation on the information block.

23. The method of claim 21, further comprising, The network device determines a sequence corresponding to the indication information of the information block detection indication channel; The network device modulates the sequence onto one or more OFDM symbols.

24. The method of claim 23, wherein, The network device modulates the sequence onto one or more OFDM symbols. The network device maps the sequence of the indication information onto a plurality of continuous subcarriers.

25. The method of any one of claims 14-24, wherein, The information block includes a control block and / or a data block.

26. A terminal device, comprising: A first transceiving module configured to receive an information block detection indication channel sent by a network device, the information block detection indication channel being used to indicate transmission of one or more groups of information blocks.

27. The terminal device of claim 26, wherein, The information block detection indication channel is used to indicate transmission of one or more groups of information blocks, including: The information block detection indication channel is also used to indicate whether the one or more groups of information blocks are transmitted.

28. The terminal device of claim 27, wherein, The information block detection indication channel is also used to indicate a resource unit corresponding to the one or more groups of information blocks.

29. The terminal device of claim 28, wherein, The resource unit is defined in at least one of a time dimension, a frequency dimension, and a space dimension.

30. The terminal device of claim 29, wherein, The different groups of the information blocks correspond to different resource units, and the different resource units occupy continuous frequency domain resources or staggered frequency domain resources.

31. The terminal device of any one of claims 28-30, wherein, The information block detection indication channel indicates a resource unit corresponding to an information block, including: The indication information of the information block detection indication channel indicates at least one of the following: An offset value of the resource unit corresponding to the information block relative to a location area of the information block detection indication channel; A location index of the resource unit corresponding to the information block within the location area of the information block detection indication channel.

32. The terminal device of any of claims 26-31, further comprising: A first processing module configured to determine, according to the information block detection indication channel, whether the network device transmits the information block; In a case where the network device transmits the information block, determine a resource unit corresponding to the information block; The first transceiving module is also configured to detect and receive the information block on the resource unit.

33. The terminal device of claim 32, wherein, The first processing module is configured to determine the resource unit corresponding to the information block according to at least one of the following: An offset value of the resource unit corresponding to the information block relative to a location area of the information block detection indication channel; A location index of the resource unit corresponding to the information block within the location area of the information block detection indication channel. The information block detection indication channel indicates a location area of the information block detection indication channel. The information block detection indication channel indicates different indication information of the information block detection indication channel. The terminal device identifier information. The pre-configured offset value. The pre-configured index value.

34. The terminal device of any one of claims 26-33, wherein, The information block detection indication channel has a modulation mode different from a modulation mode of the information block.

35. The terminal device of claim 34, wherein, The information block is based on channel coding OFDM modulation.

36. The terminal device of claim 34, wherein, The information block detection indication channel indicates different indication information of the information block detection indication channel using different sequences. The sequence of the indication information is modulated on one or more OFDM symbols.

37. The terminal device of claim 36, wherein, The sequence of the indication information is modulated on one or more OFDM symbols, including: The sequence of the indication information is mapped on a plurality of consecutive subcarriers.

38. The terminal device of any one of claims 26-37, wherein, The information block includes a control block and / or a data block.

39. A network device, comprising: A second transceiver module configured to send an information block detection indication channel to a terminal device, the information block detection indication channel being used to indicate transmission of one or more groups of information blocks.

40. The network device of claim 39, wherein, The information block detection indication channel is used to indicate transmission of one or more groups of information blocks, including: The information block detection indication channel is used to indicate whether the one or more groups of information blocks are transmitted.

41. The network device of claim 40, wherein, The information block detection indication channel is further used to indicate resource units corresponding to the one or more groups of information blocks.

42. The network device of claim 41, wherein, The resource units are defined in at least one of a time dimension, a frequency dimension, and a spatial dimension.

43. The network device of claim 42, wherein, The different groups of information blocks correspond to different resource units, and the different resource units occupy consecutive frequency domain resources or staggered frequency domain resources.

44. The network device of any of claims 41-43, wherein, The information block detection indication channel indicates resource units corresponding to information blocks, including: The indication information of the information block detection indication channel indicates at least one of: An offset value of the resource units corresponding to the information blocks relative to a location area of the information block detection indication channel; A location index of the resource units corresponding to the information blocks within the location area of the information block detection indication channel.

45. The network device of any of claims 39-44, wherein the second transceiver module is further configured to send the one or more groups of information blocks to the terminal device.

46. The network device of any of claims 39-45, wherein, The information block detection indication channel has a modulation mode different from a modulation mode of the information block.

47. The network device of claim 46, further comprising, A modulation module configured to perform channel coding OFDM modulation on the information block.

48. The network device of claim 46, further comprising, A modulation module configured to determine a sequence corresponding to the indication information of the information block detection indication channel, and modulate the sequence on one or more OFDM symbols.

49. The network device of claim 48, wherein, The modulation module is configured to map the sequence of the indication information on a plurality of consecutive subcarriers.

50. The network device of any of claims 39-49, wherein, The information block includes a control block and / or a data block.

51. A terminal device comprising: A transceiver configured to communicate with other devices, a processor, and a memory configured to store a computer program, the processor configured to invoke and run the computer program stored in the memory to cause the terminal device to perform the method of any of claims 1-13.

52. A network device comprising: a transceiver for communicating with other devices, a processor for invoking and running the computer program stored in the memory, so that the network device performs the method of any one of claims 14-25.

53. A chip comprising: a processor for invoking and running the computer program from the memory, so that the device installed with the chip performs the method of any one of claims 1-13.

54. A chip comprising: a processor for invoking and running the computer program from the memory, so that the device installed with the chip performs the method of any one of claims 14-25.

55. A computer readable storage medium for storing a computer program which, when run by a device, causes the device to perform the method of any one of claims 1-13.

56. A computer readable storage medium for storing a computer program which, when run by a device, causes the device to perform the method of any one of claims 14-25.

57. A computer program product comprising computer program instructions which cause a computer to perform the method of any one of claims 1-13.

58. A computer program product comprising computer program instructions which cause a computer to perform the method of any one of claims 14-25.

59. A computer program which causes a computer to perform the method of any one of claims 1-13.

60. A computer program which causes a computer to perform the method of any one of claims 14-25.

61. A communication system comprising: a terminal device for performing the method of any one of claims 1-13; a network device for performing the method of any one of claims 14-25.

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