Communication method and apparatus

By negotiating between terminal devices and network devices, the PDCCH detection frequency and resource configuration are dynamically adjusted, which solves the problem of power consumption waste of terminal devices in the new wireless system and improves user experience and resource utilization efficiency.

WO2026016808A1PCT designated stage Publication Date: 2026-01-22HUAWEI TECH CO LTD
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Patent Information

Application Number
PCT/CN2025/104852
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-18
Filing Date
2025-06-27
Publication Date
2026-01-22

AI Technical Summary

Technical Problem

In the new wireless system, frequent blind detection of PDCCH by terminal devices leads to wasted power consumption, and the base station cannot accurately adapt to the service needs of terminal devices, resulting in a poor user experience.

Method used

Terminal devices and network devices negotiate configuration parameters and dynamically adjust the PDCCH detection frequency and resource configuration according to the service status or transmission requirements of the terminal devices. By receiving and sending information, different states and configuration parameters are indicated, thereby achieving flexible channel and signal transmission.

Benefits of technology

It improves the user experience of terminal devices by dynamically adjusting the PDCCH detection frequency and resource configuration, thereby reducing power consumption waste and improving resource utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

Provided in the present application are a communication method and apparatus, which are capable of improving user experience. The method comprises: a second apparatus (a network device) sending first information to a first apparatus (a terminal device), wherein the first information comprises a plurality of groups of configuration parameters, and one of the plurality of groups of configuration parameters is associated with one of a plurality of states; the first apparatus sending second information to a second apparatus, wherein the second information is used for indicating a first state capable of representing the service condition or transmission requirements of the first apparatus, and the plurality of states comprise the first state; the second apparatus receiving the second information, and transmitting (sending or receiving) a channel and / or a signal on the basis of the first group of configuration parameters associated with the first state; and the first apparatus transmitting (receiving or sending) the channel and / or the signal on the basis of the first group of configuration parameters.
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Description

Method and apparatus for communication

[0001] This application claims priority to the Chinese Patent Application No. 202410970507.3, filed on July 18, 2024, and entitled "Method and apparatus for communication", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of communication, and more particularly, to a method and apparatus for communication. BACKGROUND

[0003] In a new radio (NR) system, a base station carries downlink control information (DCI) through a physical downlink control channel (PDCCH); a terminal device detects the DCI by blind detection of the PDCCH, and can obtain resources for uplink transmission according to the DCI. To achieve maximum scheduling flexibility, from the time domain perspective, the base station usually configures the terminal device to detect the PDCCH in each time slot, which can be understood as the period of PDCCH detection being one time slot; from the frequency domain perspective, the frequency domain range of the control resource set (CORESET) configured by the base station to the terminal device is the entire bandwidth part (BWP). In actual applications, for a certain terminal device, there are usually no frequent service scheduling, resulting in a large number of PDCCH detections by the terminal device being invalid. Frequent PDCCH blind detection and PDCCH blind detection on a large bandwidth will cause waste of power consumption of the terminal device.

[0004] To reduce the frequency of PDCCH blind detection by the terminal device to achieve the effect of energy saving, R16 introduces search space set group (SSSG) switching. The base station configures a SSSG #0 for dense PDCCH detection and a SSSG #1 for sparse PDCCH detection for the terminal device, and configures a time window. Outside the time window, the terminal device performs dense PDCCH detection according to the SSSG #0; within the time window, the terminal device performs sparse PDCCH detection according to the SSSG #1, thereby achieving the effect of saving power consumption of the terminal device.

[0005] Since the time window for the terminal device to perform sparse PDCCH detection is configured by the base station, the base station cannot accurately adapt to the transmission requirement or service condition of the terminal device, because the base station is not aware of when data packets arrive at the terminal device densely or sparsely. Therefore, the manner in which the base station configures the time window in advance for the terminal device to switch the frequency of PDCCH detection cannot be well combined with the user experience of the terminal device. SUMMARY

[0006] The present application provides a method and apparatus for communication, which can improve user experience.

[0007] In a first aspect, a method for communication is provided, which can be performed by a first apparatus. The first apparatus can be a terminal device or a module (e.g., a circuit, a chip, a chip system, or a processor) in the terminal device, and can also be a logical node, a logical module, or software that can realize all or part of the functions of the terminal device.

[0008] The method includes: receiving, by the first apparatus, first information from a second apparatus, the first information including a plurality of sets of configuration parameters, one of the plurality of sets of configuration parameters being associated with one of a plurality of states; sending, by the first apparatus, second information to the second apparatus, the second information being used to indicate a first state, the plurality of states including the first state; and transmitting, by the first apparatus, a channel and / or a signal according to a first set of configuration parameters in the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state.

[0009] Based on the above technical solution, the second apparatus (a network device) configures a plurality of sets of configuration parameters for the first apparatus (a terminal device), one of the plurality of sets of configuration parameters being associated with one of a plurality of states. The first apparatus can indicate the first state to the second apparatus through the second information, and transmit a channel and / or a signal according to the first set of configuration parameters associated with the first state. The first state can represent the service condition or transmission requirement of the first apparatus, or the first state is related to the service condition or transmission requirement of the first apparatus. Therefore, in this solution, the first apparatus can determine a set of configuration parameters for transmission according to its own service condition or transmission requirement, that is, the first set of configuration parameters used for transmission takes into account the service condition or transmission requirement of the first apparatus, thereby improving the user experience of the first apparatus.

[0010] In combination with the first aspect, in some implementations of the first aspect, any one of the plurality of sets of configuration parameters is used to indicate at least one of the following: a period of physical resources, a bandwidth of the physical resources, a measurement period, a detection pattern, a search space, a number of antennas, a number of data streams, or a modulation and coding strategy (MCS).

[0011] With reference to the first aspect, in some implementations of the first aspect, any one of the plurality of states is associated with at least one of: a transmission latency, a transmission rate, a channel quality, a traffic type, a physical layer rank, an operation mode of the first device, an energy efficiency rank, or an energy consumption rank.

[0012] For example, the physical layer rank can be divided into three different ranks, i.e., high, medium, and low, and different physical layer ranks correspond to different energy consumption and power. For example, the operation mode of the first device includes a power saving mode and a normal mode. The energy efficiency rank can be understood as the ratio of the number of transmission bits to the energy consumption, or the ratio of the transmission rate to the power. The channel quality can be determined by the channel state.

[0013] With reference to the first aspect, in some implementations of the first aspect, the plurality of sets of configuration parameters include a second set of configuration parameters and a third set of configuration parameters, the plurality of states include a second state and a third state, the second set of configuration parameters is associated with the second state, the third set of configuration parameters is associated with the third state, and the second set of configuration parameters and the third set of configuration parameters satisfy at least one of: a period of physical resources indicated by the second set of configuration parameters is less than a period of physical resources indicated by the third set of configuration parameters, a bandwidth of physical resources indicated by the second set of configuration parameters is greater than a bandwidth of physical resources indicated by the third set of configuration parameters, a period of search spaces indicated by the second set of configuration parameters is less than a period of search spaces indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is greater than a number of antennas indicated by the third set of configuration parameters; and / or,

[0014] The second state and the third state satisfy at least one of: a transmission latency corresponding to the second state is less than a transmission latency corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption rank corresponding to the second state is higher than an energy consumption rank corresponding to the third state, or an energy efficiency rank corresponding to the second state is lower than an energy efficiency rank corresponding to the third state. The first set of configuration parameters can be the second set of configuration parameters or the third set of configuration parameters, and the first state can be the second state or the third state.

[0015] With reference to the first aspect, in some implementations of the first aspect, the second state is after a time reference point, the third state is before the time reference point, and the time reference point is associated with a time of sending the second information, wherein the plurality of states include the second state and the third state.

[0016] Optionally, before the time reference point, the first device transmits the channel and / or the signal according to a third set of configuration parameters associated with a third state; after the time reference point, the first device transmits the channel and / or the signal according to a second set of configuration parameters associated with a second state; the second state and the third state can respectively represent a traffic situation / transmission requirement of the first device, so that the first device can transmit the channel and / or the signal according to different configuration parameters according to different traffic situations / transmission requirements, thereby improving user experience.

[0017] With reference to the first aspect, in some implementations of the first aspect, the time reference point is a time point at which the second information is sent; or the time reference point is a time point after the second information is sent.

[0018] With reference to the first aspect, in some implementations of the first aspect, the second information includes scheduling request information or uplink control information. For example, the second information can be scheduling request information, the second information can be uplink control information, and the second information can also be other information.

[0019] With reference to the first aspect, in some implementations of the first aspect, the method further includes: the first device receiving third information from the second device, the third information indicating that the first set of configuration parameters is allowed to be used. In this implementation, the first device needs to obtain permission of the second device when using the first set of configuration parameters associated with the first state.

[0020] Optionally, the first device needs to obtain permission of the second device when using configuration parameters associated with any one of the plurality of states. Optionally, the first device does not need to obtain permission of the second device when using configuration parameters associated with any one of the plurality of states. Optionally, the first device needs to obtain permission of the second device when using configuration parameters associated with a state belonging to a first set of states among the plurality of states; the first device does not need to obtain permission of the second device when using configuration parameters associated with a state belonging to a second set of states among the plurality of states.

[0021] The second aspect provides a communication method, which can be executed by a second device. The second device can be a network device or a module (such as a circuit, a chip, a chip system or a processor) in the network device, and can also be a logic node, a logic module or software capable of realizing all or part of the functions of the network device.

[0022] The method comprises: sending, by a second device, first information to a first device, the first information comprising a plurality of sets of configuration parameters, one of the plurality of sets of configuration parameters being associated with one of a plurality of states; receiving, by the second device, second information from the first device, the second information being used to indicate a first state, the plurality of states comprising the first state; and transmitting, by the second device, a channel and / or a signal according to a first set of configuration parameters of the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state.

[0023] The method provided by the second aspect is a second device side method corresponding to the first aspect, and the beneficial effects can be referred to the first aspect.

[0024] In combination with the second aspect, in some implementations of the second aspect, any one of the plurality of sets of configuration parameters is used to indicate at least one of: a periodicity of a physical resource, a bandwidth of the physical resource, a measurement periodicity, a detection pattern, a search space, a number of antennas, a number of data streams, or a MCS.

[0025] In combination with the second aspect, in some implementations of the second aspect, any one of the plurality of states is associated with at least one of: a transmission latency, a transmission rate, a channel quality, a traffic type, a physical layer class, an operating mode of the first device, an energy efficiency class, or an energy consumption class.

[0026] In combination with the second aspect, in some implementations of the second aspect, the plurality of sets of configuration parameters comprises a second set of configuration parameters and a third set of configuration parameters, the plurality of states comprises a second state and a third state, the second set of configuration parameters is associated with the second state, the third set of configuration parameters is associated with the third state, and the second set of configuration parameters and the third set of configuration parameters satisfy at least one of: a periodicity of a physical resource indicated by the second set of configuration parameters is less than a periodicity of a physical resource indicated by the third set of configuration parameters, a bandwidth of a physical resource indicated by the second set of configuration parameters is greater than a bandwidth of a physical resource indicated by the third set of configuration parameters, a periodicity of a search space indicated by the second set of configuration parameters is less than a periodicity of a search space indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is greater than a number of antennas indicated by the third set of configuration parameters; and / or,

[0027] The second state and the third state satisfy at least one of the following: a transmission delay corresponding to the second state is less than a transmission delay corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption level corresponding to the second state is higher than an energy consumption level corresponding to the third state, or an energy efficiency level corresponding to the second state is lower than an energy efficiency level corresponding to the third state. The first set of configuration parameters can be the second set of configuration parameters or the third set of configuration parameters, and the first state can be the second state or the third state.

[0028] With reference to the second aspect, in some implementations of the second aspect, the second information includes scheduling request information or uplink control information.

[0029] With reference to the second aspect, in some implementations of the second aspect, the method further includes: sending, by the second device, third information to the first device, the third information indicating that the first set of configuration parameters is allowed to be used.

[0030] In a third aspect, a communication device is provided, which can be the first device of the first aspect. The communication device includes: a transceiver configured to receive first information, the first information including a plurality of sets of configuration parameters, one set of configuration parameters in the plurality of sets of configuration parameters being associated with one state of a plurality of states; the transceiver is further configured to send second information, the second information being used to indicate a first state, the plurality of states including the first state; and the transceiver is further configured to transmit a channel and / or a signal according to a first set of configuration parameters in the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state.

[0031] Optionally, the communication device further includes: a processing module configured to determine the first set of configuration parameters from the plurality of sets of configuration parameters according to the first state.

[0032] With reference to the third aspect, in some implementations of the third aspect, any set of configuration parameters in the plurality of sets of configuration parameters is used to indicate at least one of the following: a period of a physical resource, a bandwidth of the physical resource, a measurement period, a detection pattern, a search space, a number of antennas, a number of data streams, or a modulation and coding scheme (MCS).

[0033] With reference to the third aspect, in some implementations of the third aspect, any state of the plurality of states is associated with at least one of the following: a transmission delay, a transmission rate, a channel quality, a traffic type, a physical layer level, a working mode of the first device, an energy efficiency level, or an energy consumption level.

[0034] With reference to the third aspect, in some implementations of the third aspect, the multiple sets of configuration parameters include a second set of configuration parameters and a third set of configuration parameters, the multiple states include a second state and a third state, the second set of configuration parameters is associated with the second state, the third set of configuration parameters is associated with the third state, and the second set of configuration parameters and the third set of configuration parameters satisfy at least one of the following: a period of physical resources indicated by the second set of configuration parameters is less than a period of physical resources indicated by the third set of configuration parameters, a bandwidth of physical resources indicated by the second set of configuration parameters is greater than a bandwidth of physical resources indicated by the third set of configuration parameters, a period of search spaces indicated by the second set of configuration parameters is less than a period of search spaces indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is greater than a number of antennas indicated by the third set of configuration parameters; and / or,

[0035] The second state and the third state satisfy at least one of the following: a transmission latency corresponding to the second state is less than a transmission latency corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption level corresponding to the second state is higher than an energy consumption level corresponding to the third state, or an energy efficiency level corresponding to the second state is lower than an energy efficiency level corresponding to the third state. The first set of configuration parameters can be the second set of configuration parameters or the third set of configuration parameters, and the first state can be the second state or the third state.

[0036] With reference to the third aspect, in some implementations of the third aspect, the second state is after a time reference point, the third state is before the time reference point, and the time reference point is associated with a time of sending the second information, wherein the multiple states include the second state and the third state.

[0037] With reference to the third aspect, in some implementations of the third aspect, the time reference point is the time of sending the second information, or the time reference point is a time after sending the second information.

[0038] With reference to the third aspect, in some implementations of the third aspect, the second information includes scheduling request information or uplink control information.

[0039] With reference to the third aspect, in some implementations of the third aspect, the transceiver is further configured to receive third information, the third information indicating that the first set of configuration parameters is allowed to be used.

[0040] In a fourth aspect, a communication apparatus is provided, which can be the second apparatus of the second aspect. The communication apparatus comprises: a transceiver configured to transmit first information, the first information comprising a plurality of sets of configuration parameters, one of the plurality of sets of configuration parameters being associated with one of a plurality of states; the transceiver is further configured to receive second information, the second information being used to indicate a first state, the plurality of states comprising the first state; and the transceiver is further configured to transmit a channel and / or a signal according to a first set of configuration parameters of the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state.

[0041] Optionally, the communication apparatus further comprises a processing module configured to determine the first set of configuration parameters from the plurality of sets of configuration parameters according to the first state.

[0042] With reference to the fourth aspect, in some implementations of the fourth aspect, any one of the plurality of sets of configuration parameters is used to indicate at least one of: a periodicity of a physical resource, a bandwidth of the physical resource, a measurement periodicity, a detection pattern, a search space, a number of antennas, a number of data streams, or a MCS.

[0043] With reference to the fourth aspect, in some implementations of the fourth aspect, any one of the plurality of states is associated with at least one of: a transmission latency, a transmission rate, a channel quality, a traffic type, a physical layer class, an operation mode of the first apparatus, an energy efficiency class, or an energy consumption class.

[0044] With reference to the fourth aspect, in some implementations of the fourth aspect, the plurality of sets of configuration parameters comprises a second set of configuration parameters and a third set of configuration parameters, the plurality of states comprises a second state and a third state, the second set of configuration parameters is associated with the second state, the third set of configuration parameters is associated with the third state, the second set of configuration parameters and the third set of configuration parameters satisfy at least one of: a periodicity of a physical resource indicated by the second set of configuration parameters is smaller than a periodicity of a physical resource indicated by the third set of configuration parameters, a bandwidth of a physical resource indicated by the second set of configuration parameters is larger than a bandwidth of a physical resource indicated by the third set of configuration parameters, a periodicity of a search space indicated by the second set of configuration parameters is smaller than a periodicity of a search space indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is larger than a number of antennas indicated by the third set of configuration parameters; and / or,

[0045] The second state and the third state satisfy at least one of the following: a transmission delay corresponding to the second state is less than a transmission delay corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption level corresponding to the second state is higher than an energy consumption level corresponding to the third state, or an energy efficiency level corresponding to the second state is lower than an energy efficiency level corresponding to the third state. The first set of configuration parameters can be the second set of configuration parameters or the third set of configuration parameters, and the first state can be the second state or the third state.

[0046] With reference to the fourth aspect, in some implementations of the fourth aspect, the second information includes scheduling request information or uplink control information.

[0047] With reference to the fourth aspect, in some implementations of the fourth aspect, the transceiver is further configured to transmit third information, the third information indicating that the first set of configuration parameters is allowed to be used.

[0048] In a fifth aspect, a communication apparatus is provided, which comprises a processor configured to implement a method according to the first aspect or any possible implementation of the first aspect. Optionally, the communication apparatus further comprises an interface circuitry configured to receive signal from and transmit signal to other communication apparatuses.

[0049] In a sixth aspect, a communication apparatus is provided, which comprises a processor configured to implement a method according to the second aspect or any possible implementation of the second aspect. Optionally, the communication apparatus further comprises an interface circuitry configured to receive signal from and transmit signal to other communication apparatuses.

[0050] In a seventh aspect, a communication system is provided, which comprises a first apparatus configured to implement a method according to the first aspect, and a second apparatus configured to implement a method according to the second aspect.

[0051] In an eighth aspect, a computer readable storage medium is provided, which stores a computer program. When the computer program is run on a processor, the method according to the first aspect and the second aspect and any possible implementation of the first aspect and the second aspect is performed.

[0052] In a ninth aspect, a computer program product is provided, which comprises a computer program. When the computer program is run, the method according to the first aspect and the second aspect and any possible implementation of the first aspect and the second aspect is performed.

[0053] The schemes provided by the third aspect to the ninth aspect are used to implement or assist in implementing the method provided by the first aspect or the second aspect, and thus can achieve the same or corresponding beneficial effects as the first aspect or the second aspect. Therefore, no further description is given here. BRIEF DESCRIPTION OF DRAWINGS

[0054] FIG. 1 is a schematic diagram of a network architecture to which embodiments of the present application are applicable.

[0055] FIG. 2 is a schematic diagram of a BWP.

[0056] FIG. 3 is a schematic diagram of a basic flow of uplink scheduling.

[0057] FIG. 4 is a schematic flow interaction diagram of a method of communication according to an embodiment of the present application.

[0058] FIG. 5 is a flow interaction diagram of an example of a method of communication according to an embodiment of the present application.

[0059] FIG. 6 is a schematic block diagram of a communication device according to an embodiment of the present application.

[0060] FIG. 7 is a schematic block diagram of another communication device according to an embodiment of the present application.

[0061] FIG. 8 is a schematic block diagram of another communication device according to an embodiment of the present application. DETAILED DESCRIPTION

[0062] The technical solutions provided by the present application will be described below with reference to the accompanying drawings.

[0063] The embodiments of the present application can be applied to various communication systems, such as a wireless local area network (WLAN), a narrow band-internet of things (NB-IoT), a global system for mobile communications (GSM), an enhanced data rate for gsm evolution (EDGE), a wideband code division multiple access (WCDMA), a code division multiple access 2000 (CDMA2000), a time division-synchronization code division multiple access (TD-SCDMA), a long term evolution (LTE) system, a universal mobile telecommunication system (UMTS), a worldwide interoperability for microwave access (WiMAX) communication system, a satellite communication system, a 5th generation (5G) communication system, or a future communication system, etc.

[0064] The terminal device involved in the embodiments of the present application can be a device with wireless transceiving function, and can specifically refer to a subscriber unit, a user equipment (UE), an access terminal, a cellular phone, a user station, a mobile station (MS), a customer-premises equipment (CPE), a remote station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent or a user apparatus. The terminal device can also be a satellite phone, a cellular phone, a smart phone, a wireless data card, a personal digital assistant (PDA) computer, a tablet computer, a wireless modulator demodulator (modem), a laptop computer, a machine type communication (MTC) device and a wireless terminal in self-driving, etc. The terminal device can also be a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication function, a vehicle-mounted device, a wearable device, a computing device or other processing device connected to a wireless modem, a communication device carried on an airship, a drone, a robot, a smart point of sale (POS) machine, a terminal in device-to-device (D2D) communication, a terminal in vehicle to everything (V2X) communication, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home or a terminal device in future communication network, etc. The user equipment includes a vehicle user equipment.With the rise of the internet of things (IoT) technology, more and more devices that do not have communication functions previously, such as but not limited to, household appliances, vehicles, tool devices, service devices and service facilities, begin to obtain wireless communication functions by configuring wireless communication units, so as to access wireless communication networks and accept remote control. Such devices have wireless communication functions due to the configuration of wireless communication units, and thus also belong to the category of wireless communication devices. This application is not limited.

[0065] In the embodiments of the present application, the device for implementing the function of the terminal device can be a terminal device; or can be a device capable of supporting the terminal device to implement the function, such as a chip system. The device can be installed in the terminal device or used in matching with the terminal device. In the embodiments of the present application, the chip system can be composed of a chip, or can include a chip and other discrete devices.

[0066] The network device involved in the embodiments of the present application is a device in a wireless network, for example, a radio access network (RAN) node for accessing a terminal device to a wireless network. The network device can be a node in a radio access network, also can be referred to as a base station, and also can be referred to as a radio access network (RAN) node (or device). The network device can be a base transceiver station (BTS) in a GSM or CDMA network, a Node B (NB) in a WCDMA network, an evolved Node B (eNB or eNodeB) in an LTE network, or a next generation Node B (gNB) in a 5G network; the network device can be a base station in a future evolved public land mobile network (PLMN), or an access device in the 3rd generation partnership project (3GPP); the network device can also be a wireless controller in a cloud radio access network (CRAN) scenario.Optionally, the network device in the embodiments of the present application can include various forms of base stations, such as a relay station, an access point, a device implementing the function of a base station in a 5G or later evolved communication system, a mobile switching center, a home base station (home evolved NodeB or home Node B, HNB), a baseband unit (BBU), a device assuming the function of a base station in device-to-device (D2D) communication, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay node, a wireless backhaul node, a transmission point (TP), or a transmission and reception point (TRP), and the like, a device assuming the function of a base station in vehicle-to-everything (V2X) or machine-to-machine (M2M) communication, and the like, and can also include a centralized unit (CU) and a distributed unit (DU) in a cloud radio access network (C-RAN) system, a network device in a non-terrestrial network (NTN) communication system, i.e., can be deployed on a high-altitude platform or a satellite. It can also be a gNB or a transmission point in NR, one or a group (including multiple) of antenna panels of a base station in NR, or a network node constituting a gNB or a transmission point, or the network device can also be a vehicle-mounted device, a wearable device, and a network device in future networks, or a network device in a future evolved PLMN network, and the like, or a network device deployed on a satellite, and the present application embodiments are not limited thereto. In addition, according to the size of the service coverage area provided, the base station can be divided into a macro base station for providing a macro cell, a micro base station for providing a micro cell, and a femto base station for providing a femto cell. With the continuous evolution of wireless communication technology, future base stations can also be named otherwise.

[0067] In the embodiments of the present application, the device for implementing the function of the network device can be a network device; or can be a device capable of supporting the network device to implement the function, such as a chip system. The device can be installed in the network device or used in matching with the network device.

[0068] FIG. 1 is a schematic diagram of a network architecture to which embodiments of the present application are applicable. The network architecture includes a sending end and a receiving end. Exemplarily, the sending end can be the network device described above, and the receiving end can be the terminal device described above; or the sending end can be the terminal device described above, and the receiving end can be the network device described above. For example, the sending end is a base station, and the receiving end is a terminal device. Exemplarily, the sending end can be a terminal device, and the receiving end can be another terminal device. Transmission between the sending end and the receiving end can be through radio waves, or through transmission media such as visible light, laser, infrared, optical fiber, etc.

[0069] To facilitate understanding of the embodiments of the present application, the technical solutions related to the embodiments of the present application are briefly introduced below.

[0070] I. BWP

[0071] Since NR needs to support a very large carrier bandwidth (such as 100 MHz), but receiving the entire carrier bandwidth signal by a terminal device will cause large power consumption, a BWP is defined. The BWP refers to a continuous spectrum resource configured by the network side to the terminal device, which can be understood as a group of continuous resource blocks starting from a certain position of the common resource block, thereby realizing flexible transmission bandwidth configuration on the network side and the terminal device side. One BWP can contain 1-275 resource blocks.

[0072] FIG. 2 is a schematic diagram of a BWP. At the first time, the terminal device has a large amount of traffic, and the system configures a large bandwidth BWP1 to the terminal device; at the second time, the terminal device has a small amount of traffic, and the system configures a small bandwidth BWP2 to the terminal device, which can meet the basic communication needs; at the third time, the system finds that there is a large range of frequency selective fading in the bandwidth of BWP1, or the resources in the frequency range of BWP1 are scarce, and thus configures a new bandwidth BWP3 to the terminal device.

[0073] II. Uplink scheduling

[0074] Dynamic uplink scheduling is triggered by a scheduling request (SR). The SR is a flag for a terminal device to request an uplink scheduler of a base station for uplink resources. Since the terminal device requesting resources does not have physical uplink shared channel (PUSCH) resources, the terminal device uses a periodically pre-configured physical uplink control channel (PUCCH) resource to send the SR on the PUCCH. When there is uplink data to be sent, the terminal device sends the SR to request the base station to allocate the required resources and uplink scheduling information for uplink transmission. FIG. 3 is a schematic diagram of a basic flow of uplink scheduling.

[0075] The specific steps are as follows:

[0076] (1) When there is uplink data to be sent, the terminal device sends an SR to the base station to request uplink grant (UL grant) resources, and the SR only indicates that there is uplink data to be transmitted, without carrying information about how much data the terminal device has to transmit;

[0077] (2) After the base station receives the SR, it sends DCI to the terminal device through PDCCH to indicate uplink scheduling information (or UL grant). At this time, the base station will schedule the terminal device according to a small and fixed amount of data;

[0078] (3) After the terminal device receives the uplink scheduling information, it will transmit data on the PUSCH resource allocated by the base station, and will report buffer status report (BSR) and power headroom report (PHR) information, respectively, to indicate how much data needs to be sent and the current power headroom.

[0079] Optionally, if the BSR received by the base station is greater than 0, the base station will continue to schedule the terminal device and indicate the uplink scheduling information to the terminal device through DCI again, and the terminal device will complete data transmission on the PUSCH resource indicated by the base station.

[0080] III. PDCCH blind detection

[0081] In the NR system, the base station carries DCI through PDCCH. Since PDCCH can carry multiple different DCI formats, and the DCI format of a transmission is unknown to the terminal device, the terminal device needs to blindly detect the DCI format. The terminal device determines the possible time-frequency resource size and location of PDCCH through CORESET, and a CORESET is a time and frequency resource, on which the terminal device attempts to decode possible PDCCH using one or more search spaces (SS); wherein, a CORESET can have multiple SS, and one SS corresponds to one period. It should be noted that the physical resources of PDCCH are shared resources, and the size and location of CORESET are semi-statically configured by the network. For a certain terminal device, it is possible to detect the DCI of the terminal device on the CORESET, or it is possible to find no DCI of the terminal device after detection.

[0082] In order to enable the terminal device to detect the DCI faster in these possible positions, a set of candidate PDCCHs (PDCCH candidate) is predefined in the CORESET through various aggregation levels, and an SS is a group of candidate PDCCHs with the same aggregation level.

[0083] In actual application, due to the uncertain arrival time of data packets and the need for the base station to consider the arrangement and scheduling of multiple terminal devices, in order to achieve maximum scheduling flexibility, from the time domain perspective, the base station usually configures the terminal device to detect the PDCCH in each time slot, which can be understood as that the period of PDCCH detection is a time slot; from the frequency domain perspective, the base station usually configures the frequency domain range of the CORESET for the terminal device as the entire BWP. In actual application, for a certain terminal device, there is no frequent service scheduling in most cases, resulting in a large number of invalid PDCCH detections of the terminal device. Frequent PDCCH blind detection and PDCCH blind detection on a large bandwidth will cause waste of power consumption of the terminal device.

[0084] Currently, in order to reduce the frequency of PDCCH blind detection of the terminal device to achieve the effect of energy saving, SSSG switching is introduced in R16. The base station configures a SSSG#0 for dense PDCCH detection and a SSSG#1 for sparse PDCCH detection for the terminal device, and configures a time window. Outside the time window, the terminal device performs dense PDCCH detection according to the SSSG#0; within the time window, the terminal device performs sparse PDCCH detection according to the SSSG#1, thereby achieving the effect of saving the power consumption of the terminal device.

[0085] Since the time window for the terminal device to perform sparse PDCCH detection is configured by the base station, but the base station does not know exactly when the data packets will arrive densely at the terminal device and when the data packets will arrive sparsely at the terminal device, it is unable to accurately adapt to the transmission demand or service condition of the terminal device, and therefore, the manner of the base station configuring the time window in advance to make the terminal device switch the frequency of PDCCH detection cannot be well combined with the user experience of the terminal device.

[0086] Embodiments of the present application provide a communication method, which can improve user experience. In the present application, a second device (for example, a network device) configures a plurality of groups of configuration parameters for a first device (for example, a terminal device), one group of configuration parameters in the plurality of groups of configuration parameters is associated with one state in a plurality of states; when the first device is in a certain state, the first device can transmit a channel and / or a signal according to one group of configuration information associated with the state, and different states in the plurality of states can represent different service conditions or transmission demands of the first device; therefore, the first device can determine which group of configuration parameters to use for transmission according to the service condition or transmission demand of the first device, thereby being able to improve the user experience of the first device.

[0087] FIG. 4 is a schematic flow interaction diagram of a method 400 of communication according to an embodiment of the present application. The method of communication according to an embodiment of the present application is performed by a first device and a second device. The first device in the present application can be a terminal device or a module (e.g., a circuit, a chip, a chip system, or a processor) in the terminal device, and can also be a logic node, a logic module, or software capable of realizing all or part of the functions of the terminal device. The second device in the present application can be a network device or a module (e.g., a circuit, a chip, a chip system, or a processor) in the network device, and can also be a logic node, a logic module, or software capable of realizing all or part of the functions of the network device. The chip can be a modem chip, also known as a baseband chip; or can be a system on chip (SoC) chip containing a modem core; or can be a system in package (SIP) chip.

[0088] At S410, the second device transmits first information, the first information including a plurality of sets of configuration parameters, one set of configuration parameters in the plurality of sets of configuration parameters being associated with one state in a plurality of states; correspondingly, the first device receives the first information. Optionally, one set of configuration parameters in the plurality of sets of configuration parameters is associated with at least one state in the plurality of states; in other words, one set of configuration parameters can be associated with only one state, and one set of configuration parameters can also be associated with multiple (two or more) states.

[0089] It should be noted that the second device transmitting the first information can be understood as the second device transmitting the first information to the first device; or the second device transmitting the first information can be understood as the second device generating or obtaining the first information and transmitting the first information to the first device. The first device receiving the first information can be understood as the first device receiving the first information from the second device. The plurality of sets of configuration parameters can be understood as two or more sets of configuration parameters.

[0090] Optionally, any one set of configuration parameters in the plurality of sets of configuration parameters is used to indicate at least one of the following: a periodicity of a physical resource, a bandwidth of the physical resource, a measurement period, a detection pattern, a search space, a number of antennas, a number of data streams, or a modulation and coding scheme (MCS). The "antenna" in the present application can be a physical antenna, a virtual antenna, a radio frequency channel, or a radio frequency branch. It should be understood that one set of configuration parameters in the present application can include one or more parameters. Different states in the plurality of states can represent different service situations or transmission requirements of the first device.

[0091] Optionally, any of the plurality of states is associated with, or characterized by, at least one of a transmission delay, a transmission rate, a channel quality, a traffic type, a physical layer level, an operation mode of the first device, an energy efficiency level, or an energy consumption level. Illustratively, the physical layer level can be divided into three different levels, i.e., high, medium, and low, and different physical layer levels correspond to different energy consumption and power. Illustratively, the operation mode of the first device includes a power saving mode and a normal mode, or the operation mode of the first device includes a high power consumption mode and a low power consumption mode. The energy efficiency can be understood as a ratio of the number of transmitted bits to the energy consumption, or a ratio of the transmission rate to the power. The energy efficiency level is a level divided according to the size of the energy efficiency, or a state divided according to the size of the energy efficiency. The channel quality can be determined by the channel state.

[0092] Optionally, the plurality of states includes two states, i.e., state 1 and state 2. Illustratively, state 1 is before a time reference point, and state 2 is after the time reference point, the time reference point is associated with a time of sending the scheduling request information, state 1 represents that the first device has no uplink data transmission, and state 2 represents that the first device has uplink data transmission. For example, the time reference point is a time t1 of sending the scheduling request information, the first device is in state 1 before the time t1, and is in state 2 after the time t1. For another example, the time reference point is a time t2 after sending the scheduling request information, the time of sending the scheduling request information is t1, t2 = t1 + T, the first device is in state 1 before the time t2, and is in state 2 after the time t2; wherein T can be predefined or configured by the second device to the first device.

[0093] S420, the first device sends second information, the second information is used to indicate the first state, and the plurality of states includes the first state; wherein the first state can represent a traffic condition or a transmission demand of the first device. Correspondingly, the second device receives the second information and determines that the first device is in the first state according to the second information.

[0094] It should be noted that the first device sending the second information can be understood as the first device sending the second information to the second device; the second device receiving the second information can be understood as the second device receiving the second information from the first device. The plurality of states including the first state can be understood as the plurality of states at least including the first state. The second information being used to indicate the first state can be understood as the second information explicitly indicating the first state; for example, the second information includes an indication field, and a bit state of the indication field indicates the first state. Or, the second information being used to indicate the first state can be understood as the second information implicitly indicating the first state; for example, the first device sends the second information, and then the first device enters the first state.

[0095] The step S420 can be performed after the step S410, or the step S420 can be performed before the step S410, which is not limited in the present application.

[0096] Optionally, the first device determines the first set of configuration parameters from the multiple sets of configuration parameters according to the first state in S421, the first set of configuration parameters being associated with the first state, and the first set of configuration parameters being included in the multiple sets of configuration parameters. The step S421 can be performed before the step S420, or the step S421 can be performed after the step S420, which is not limited in the present application.

[0097] Optionally, the first device determines the second information for indicating the first state according to the service condition or the transmission requirement of the first device before the step S420 and the step S421.

[0098] Optionally, the second device determines the first set of configuration parameters from the multiple sets of configuration parameters according to the first state indicated by the second information in S422.

[0099] The first device transmits the channel and / or the signal according to the first set of configuration parameters in the multiple sets of configuration parameters in S430, and the second device transmits the channel and / or the signal according to the first set of configuration parameters.

[0100] For example, the first device transmits the channel and / or the signal according to the first set of configuration parameters in the first state, or the channel and / or the signal transmitted by the first device corresponds to the first state.

[0101] The channel in the present application can be a PDCCH, a physical downlink shared channel (PDSCH), a PUCCH, or a PUSCH. The transmission channel can be understood as transmitting information / signal / data on the channel, and the transmission can be understood as receiving / sending / detecting.

[0102] For example, the first set of configuration parameters is used for transmitting the PDCCH, the second device transmits the PDCCH according to the first set of configuration parameters, and the first device detects (receives) the PDCCH according to the first set of configuration parameters. For example, the first set of configuration parameters is used for transmitting the PUSCH, the first device transmits data on the PUSCH according to the first set of configuration parameters, and the second device receives the data on the PUSCH according to the first set of configuration parameters.

[0103] Optionally, in the state 2 after the first device transmits the scheduling request information (after the time t1 or the time t2), the first device detects (receives) the PDCCH according to a set of configuration parameters associated with the state 2, and the second device transmits the PDCCH according to the set of configuration parameters associated with the state 2.

[0104] In the technical scheme provided in the embodiments of the present application, the second device (network device) configures multiple sets of configuration parameters for the first device (terminal device), one set of configuration parameters in the multiple sets of configuration parameters is associated with one state in the multiple states; the first device can indicate the first state representing the service condition or transmission requirement of the first device to the second device through the second information, and transmit the channel and / or signal according to the first set of configuration parameters associated with the first state. Therefore, in the scheme, the first device can determine which set of configuration parameters to use for transmission according to the service condition or transmission requirement of the first device, thereby improving the user experience of the first device.

[0105] Optionally, the first device needs to obtain the permission of the second device when using the configuration parameters associated with any state in the multiple states. Alternatively, the first device does not need to obtain the permission of the second device when using the configuration parameters associated with any state in the multiple states. Alternatively, the first device needs to obtain the permission of the second device when using the configuration parameters associated with the state belonging to the first state set in the multiple states; the first device does not need to obtain the permission of the second device when using the configuration parameters associated with the state belonging to the second state set in the multiple states.

[0106] Exemplarily, after the second device receives the second information and determines the first set of configuration parameters according to the first state indicated by the second information, the second device sends third information, the third information indicating that the first set of configuration parameters is allowed to be used; correspondingly, the first device receives the third information and determines to use the first set of configuration parameters according to the third information. It should be noted that the second device sending the third information can be understood as the second device sending the third information to the first device; the first device receiving the third information can be understood as the first device receiving the third information from the second device. In this example, the first set of configuration parameters is determined according to the first state, and the first device needs to further obtain the permission or acknowledgment of the second device when using the first set of configuration parameters.

[0107] Exemplarily, after the second device receives the second information, the second device determines that the third information does not need to be sent according to the first state indicated by the second information, and the first device can directly use the first set of configuration parameters according to the first state without receiving the third information. In this example, the first device does not need to obtain the permission of the second device when using the first set of configuration parameters associated with the first state.

[0108] Optionally, the multiple sets of configuration parameters include a second set of configuration parameters and a third set of configuration parameters, the multiple states include a second state and a third state, the second set of configuration parameters is associated with the second state, the third set of configuration parameters is associated with the third state, and the second set of configuration parameters and the third set of configuration parameters satisfy at least one of the following conditions:

[0109] a period of physical resources indicated by the second set of configuration parameters is less than a period of physical resources indicated by the third set of configuration parameters,

[0110] a bandwidth of physical resources indicated by the second set of configuration parameters is greater than a bandwidth of physical resources indicated by the third set of configuration parameters,

[0111] a period of search spaces indicated by the second set of configuration parameters is less than a period of search spaces indicated by the third set of configuration parameters, or

[0112] a number of antennas indicated by the second set of configuration parameters is greater than a number of antennas indicated by the third set of configuration parameters;

[0113] and / or,

[0114] the second state and the third state satisfy at least one of the following:

[0115] a transmission latency corresponding to the second state is less than a transmission latency corresponding to the third state,

[0116] a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state,

[0117] a channel quality corresponding to the second state is better than a channel quality corresponding to the third state,

[0118] an energy consumption level corresponding to the second state is higher than an energy consumption level corresponding to the third state, or

[0119] an energy efficiency level corresponding to the second state is lower than an energy efficiency level corresponding to the third state.

[0120] The first set of configuration parameters can be the second set of configuration parameters or the third set of configuration parameters, and the first state can be the second state or the third state.

[0121] For example, a period of physical resources (search spaces) indicated by the second set of configuration parameters is less than a period of physical resources (search spaces) indicated by the third set of configuration parameters, and a transmission latency corresponding to the second state is less than a transmission latency corresponding to the third state. In this example, the second state can represent a low-latency transmission requirement of the first device, and the third state can represent a high-latency transmission requirement of the first device.

[0122] For example, a bandwidth of physical resources indicated by the second set of configuration parameters is greater than a bandwidth of physical resources indicated by the third set of configuration parameters, and a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state. In this example, the second state can represent a high-rate transmission requirement of the first device, and the third state can represent a low-rate transmission requirement of the first device.

[0123] Exemplarily, the second set of configuration parameters indicates a number of antennas greater than that indicated by the third set of configuration parameters, and the transmission rate corresponding to the second state is greater than that corresponding to the third state. In this example, the second state can represent a high-rate transmission requirement of the first device, and the third state can represent a low-rate transmission requirement of the first device.

[0124] Exemplarily, the second set of configuration parameters indicates a bandwidth of physical resources greater than that indicated by the third set of configuration parameters, and a number of antennas greater than that indicated by the third set of configuration parameters; and the transmission rate corresponding to the second state is greater than that corresponding to the third state. In this example, the second state can represent a high-rate transmission requirement of the first device, and the third state can represent a low-rate transmission requirement of the first device.

[0125] Exemplarily, the second set of configuration parameters indicates a period of physical resources (search space) smaller than that indicated by the third set of configuration parameters, and a bandwidth of physical resources greater than that indicated by the third set of configuration parameters; the transmission delay corresponding to the second state is smaller than that corresponding to the third state, and the transmission rate corresponding to the second state is greater than that corresponding to the third state. In this example, the second state can represent a low-latency, high-rate transmission requirement of the first device, and the third state can represent a high-latency, low-rate transmission requirement of the first device.

[0126] Exemplarily, the second set of configuration parameters indicates a period of physical resources (search space) smaller than that indicated by the third set of configuration parameters, and a number of antennas greater than that indicated by the third set of configuration parameters; the transmission delay corresponding to the second state is smaller than that corresponding to the third state, and the transmission rate corresponding to the second state is greater than that corresponding to the third state. In this example, the second state can represent a low-latency, high-rate transmission requirement of the first device, and the third state can represent a high-latency, low-rate transmission requirement of the first device.

[0127] Optionally, a second state is after a time reference point, and a third state is before the time reference point, the time reference point being associated with a time instant of sending the second information. Before the time reference point, the channel and / or the signal are transmitted according to a third set of configuration parameters associated with the third state; after the time reference point, the channel and / or the signal are transmitted according to a second set of configuration parameters associated with the second state. The second state and the third state can respectively represent a traffic situation / transmission requirement of the first device, and thus the first device can transmit the channel and / or the signal according to different configuration parameters according to different traffic situations / transmission requirements, so as to improve user experience. In the optional solution, the first device can determine the second state and the third state according to the time instant of sending the information (e.g., the second information).

[0128] For example, the time instant of sending the second information is t1, and the time reference point is t1.

[0129] For example, the time instant of sending the second information is t1, and the time reference point is t2, t2 = t1 + T; where T can be predefined or configured by the second device to the first device.

[0130] Optionally, the second information includes scheduling request information or uplink control information. For example, the second information can be scheduling request information, the second information can be uplink control information, and the second information can also be other information, which is not limited in the present application. It should be noted that when the second information is scheduling request information, it means that the first device has uplink data to be transmitted, and the second state is a state with uplink transmission requirement.

[0131] For example, the second information is scheduling request information, and the time reference point is the time instant t1 of sending the second information. After the time instant t1 of sending the scheduling request information, the second state is after the time instant t1, and the third state is before the time instant t1. Before the time instant t1, the channel and / or the signal are transmitted according to a third set of configuration parameters associated with the third state; after the time instant t1, the channel and / or the signal are transmitted according to a second set of configuration parameters associated with the second state.

[0132] For example, the second information is scheduling request information, and the time reference point is the time instant t2 after sending the second information. After the time instant t2 of sending the scheduling request information, the second state is after the time instant t2, and the third state is before the time instant t2. Before the time instant t2, the channel and / or the signal are transmitted according to a third set of configuration parameters associated with the third state; after the time instant t2, the channel and / or the signal are transmitted according to a second set of configuration parameters associated with the second state.

[0133] Optionally, the first device can determine the second state and the third state according to a time point of the received information. For example, the first device can determine the second state and the third state according to a time point of the received data information requiring uplink transmission; for example, the first device receives the data information requiring uplink transmission at time t3, and the second state is after time t3, and the third state is before time t3.

[0134] Optionally, the first device can determine the second state and the third state according to a predefined rule. For example, it is predefined that the second state is after a certain time point, and the third state is before a certain time point. For another example, it is predefined that the first device is in the second state when using a first component carrier (CC), and is in the third state when using a second CC. For another example, it is predefined that the first device is in the second state when using a first BWP1, and is in the third state when using a second BWP2.

[0135] The method of communication provided by the embodiments of the present application will be described below in combination with a specific example. In this example, the first device is a terminal device, and the second device is a network device. The second information is scheduling request information. FIG. 5 is a flow interaction diagram of one example of the method 500 of communication provided by the embodiments of the present application.

[0136] S510, the network device sends first information to the terminal device, the first information includes a plurality of sets of configuration parameters, the plurality of sets of configuration parameters include a second set of configuration parameters and a third set of configuration parameters, the second set of configuration parameters indicates a search space (physical resource) with a period smaller than that of the third set of configuration parameters, the second set of configuration parameters is associated with the second state, and the third set of configuration parameters is associated with the third state, wherein the second state represents that the terminal device needs to transmit uplink data, and the third state represents that the terminal device does not need to transmit uplink data. Correspondingly, the terminal device receives the first information from the network device.

[0137] S520, in the case that there is uplink data to the terminal device, the terminal device sends scheduling request information to the network device, the scheduling request information is used to indicate the second state. Correspondingly, the network device receives the scheduling request information from the terminal device, and determines that the terminal device is in the second state according to the scheduling request information.

[0138] Wherein, step S520 can be executed after step 510, and step S520 can also be executed before step S510, which is not limited in the present application.

[0139] S530, the terminal device determines the second set of configuration parameters from the multiple sets of configuration parameters according to the second state. The step S530 can be performed before the step S520, or the step S530 can be performed after the step S520, which is not limited in the present application.

[0140] S540, the network device determines the second set of configuration parameters from the multiple sets of configuration parameters according to the second state indicated by the scheduling request information.

[0141] S550, the network device transmits the PDCCH to the terminal device on the search space (physical resource) indicated by the second set of configuration parameters. Correspondingly, the terminal device detects / receives the PDCCH on the search space (physical resource) indicated by the second set of configuration parameters, the DCI carried in the PDCCH indicates the PUSCH resource, and the terminal device transmits the uplink data to the network device on the PUSCH resource.

[0142] Optionally, before the terminal device transmits the scheduling request information, the terminal device does not need to transmit the uplink data, the terminal device is in the third state, and the terminal device detects the PDCCH on the search space (physical resource) indicated by the third set of configuration parameters associated with the third state.

[0143] Optionally, the second state is after the time reference point, and the third state is before the time reference point, the time reference point is associated with the time point of transmitting the scheduling request information.

[0144] For example, the time point of transmitting the scheduling request information is t1, the terminal device is in the second state after the time point t1, and is in the third state before the time point t1; the terminal device detects the PDCCH on the search space (physical resource) indicated by the third set of configuration parameters before the time point t1, and detects the PDCCH on the search space (physical resource) indicated by the second set of configuration parameters after the time point t1.

[0145] For example, the time point of transmitting the scheduling request information is t1, t2=t1+T, the terminal device is in the second state after the time point t2, and is in the third state before the time point t2; the terminal device detects the PDCCH on the search space (physical resource) indicated by the third set of configuration parameters before the time point t2, and detects the PDCCH on the search space (physical resource) indicated by the second set of configuration parameters after the time point t2; wherein, T can be predefined, or can be configured by the network device to the terminal device.

[0146] In the example, the terminal device densely detects the PDCCH according to the second set of configuration parameters associated with the second state when uplink data needs to be transmitted, and sparsely detects the PDCCH according to the third set of configuration parameters associated with the third state when uplink data does not need to be transmitted, thereby saving power consumption of the terminal device and improving user experience.

[0147] The above introduces the method of communication provided by the embodiments of the present application, and the following introduces an execution subject for executing the method of communication.

[0148] FIG. 6 is a schematic block diagram of a communication apparatus 600 provided by an embodiment of the present application. The apparatus 600 can be the first apparatus in the method embodiments of FIG. 4 or FIG. 5. The communication apparatus 600 includes:

[0149] The transceiver module 610 is configured to receive first information, the first information including a plurality of sets of configuration parameters, one set of configuration parameters in the plurality of sets of configuration parameters being associated with one state in a plurality of states.

[0150] The transceiver module 610 is further configured to transmit second information, the second information being used to indicate a first state, the plurality of states including the first state.

[0151] The transceiver module 610 is further configured to transmit a channel and / or a signal according to a first set of configuration parameters in the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state.

[0152] Optionally, the communication apparatus 600 further includes a processing module 620 configured to determine the first set of configuration parameters from the plurality of sets of configuration parameters according to the first state.

[0153] Optionally, any set of configuration parameters in the plurality of sets of configuration parameters is used to indicate at least one of the following: a period of physical resources, a bandwidth of the physical resources, a measurement period, a detection pattern, a search space, a number of antennas, a number of data streams, or a modulation and coding strategy (MCS).

[0154] Optionally, any state in the plurality of states is associated with at least one of the following: a transmission delay, a transmission rate, a channel quality, a service type, a physical layer level, a working mode of the first apparatus, an energy efficiency level, or an energy consumption level.

[0155] Optionally, the multiple sets of configuration parameters comprise a second set of configuration parameters and a third set of configuration parameters, the multiple states comprise a second state and a third state, the second set of configuration parameters is associated with the second state, the third set of configuration parameters is associated with the third state, the second set of configuration parameters and the third set of configuration parameters satisfy at least one of the following: a period of physical resources indicated by the second set of configuration parameters is less than a period of physical resources indicated by the third set of configuration parameters, a bandwidth of physical resources indicated by the second set of configuration parameters is greater than a bandwidth of physical resources indicated by the third set of configuration parameters, a period of search spaces indicated by the second set of configuration parameters is less than a period of search spaces indicated by the third set of configuration parameters, or a quantity of antennas indicated by the second set of configuration parameters is greater than a quantity of antennas indicated by the third set of configuration parameters; and / or,

[0156] The second state and the third state satisfy at least one of the following: a transmission delay corresponding to the second state is less than a transmission delay corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption level corresponding to the second state is higher than an energy consumption level corresponding to the third state, or an energy efficiency level corresponding to the second state is lower than an energy efficiency level corresponding to the third state. The first set of configuration parameters can be the second set of configuration parameters or the third set of configuration parameters, and the first state can be the second state or the third state.

[0157] Optionally, the second state is after a time reference point, the third state is before the time reference point, and the time reference point is associated with a time of sending the second information, wherein the multiple states comprise the second state and the third state.

[0158] Optionally, the time reference point is the time of sending the second information, or the time reference point is a time after sending the second information.

[0159] Optionally, the second information comprises scheduling request information or uplink control information.

[0160] Optionally, the transceiver is further configured to receive third information, the third information indicating that the first set of configuration parameters is allowed to be used.

[0161] FIG. 7 is a schematic block diagram of another communication apparatus 700 according to an embodiment of the present application. The apparatus 700 can be the second apparatus in the method embodiments of FIG. 4 or FIG. 5. The communication apparatus 700 comprises:

[0162] The transceiver 710 is configured to transmit first information, the first information comprising a plurality of sets of configuration parameters, one of the plurality of sets of configuration parameters being associated with one of a plurality of states.

[0163] The transceiver 710 is further configured to receive second information, the second information being used to indicate a first state, the plurality of states comprising the first state.

[0164] The transceiver 710 is further configured to transmit a channel and / or a signal according to a first set of configuration parameters from the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state.

[0165] Optionally, the communication apparatus further comprises a processing module 720, configured to determine the first set of configuration parameters from the plurality of sets of configuration parameters according to the first state.

[0166] Optionally, any of the plurality of sets of configuration parameters is used to indicate at least one of: a periodicity of physical resources, a bandwidth of the physical resources, a measurement periodicity, a detection pattern, a search space, a number of antennas, a number of data streams, or a MCS.

[0167] Optionally, any of the plurality of states is associated with at least one of: a transmission latency, a transmission rate, a channel quality, a traffic type, a physical layer class, an operation mode of the first apparatus, an energy efficiency class, or an energy consumption class.

[0168] Optionally, the plurality of sets of configuration parameters comprises a second set of configuration parameters and a third set of configuration parameters, the plurality of states comprises a second state and a third state, the second set of configuration parameters being associated with the second state, the third set of configuration parameters being associated with the third state, the second set of configuration parameters and the third set of configuration parameters satisfying at least one of: a periodicity of physical resources indicated by the second set of configuration parameters is smaller than a periodicity of physical resources indicated by the third set of configuration parameters, a bandwidth of the physical resources indicated by the second set of configuration parameters is larger than a bandwidth of the physical resources indicated by the third set of configuration parameters, a periodicity of a search space indicated by the second set of configuration parameters is smaller than a periodicity of a search space indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is larger than a number of antennas indicated by the third set of configuration parameters; and / or,

[0169] The second state and the third state satisfy at least one of the following: a transmission delay corresponding to the second state is less than a transmission delay corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption level corresponding to the second state is higher than an energy consumption level corresponding to the third state, or an energy efficiency level corresponding to the second state is lower than an energy efficiency level corresponding to the third state. The first group of configuration parameters can be the second group of configuration parameters or the third group of configuration parameters, and the first state can be the second state or the third state.

[0170] Optionally, the second information includes scheduling request information or uplink control information.

[0171] Optionally, the transceiver 710 is further configured to send third information, where the third information indicates that the first group of configuration parameters is allowed to be used.

[0172] FIG. 8 is a schematic block diagram of another communication apparatus 800 provided by an embodiment of the present application. The communication apparatus 800 can be the first apparatus or the second apparatus. The communication apparatus 800 includes a processor 810, which is configured to implement the method of communication provided by an embodiment of the present application by means of logic circuit or code instruction. Optionally, the communication apparatus 800 can further include an interface circuit 820. The processor 810 and the interface circuit 820 are coupled to each other. It can be understood that the interface circuit 820 can be a transceiver or an input / output interface.

[0173] Optionally, the communication apparatus 800 can further include a memory 830, which is configured to store instructions executed by the processor 810 or store input data required by the processor 810 to run instructions or store data generated by the processor 810 after running instructions.

[0174] The processor 810 described above can be an integrated circuit chip with a processing capability of signals. In the implementation process, each step of the method embodiment described above can be completed by the integrated logic circuit of hardware in the processor or the instruction in the form of software. The processor described above can be a general processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The disclosed methods, steps and logic block diagrams in the embodiments of the present application can be implemented or executed. The general processor can be a microprocessor or the processor can also be any conventional processor. The steps of the method disclosed in combination with the embodiments of the present application can be directly embodied as a hardware code processor for execution, or a combination of hardware and software modules in the code processor for execution. The software module can be located in a random access memory, a flash memory, a read only memory, a programmable read only memory or an electrically erasable programmable memory, a register or other mature storage medium in the art. The storage medium is located in the memory, and the processor reads the information in the memory, and combines the hardware to complete the steps of the above method.

[0175] The embodiments of the present application also provide a communication system, which comprises a first device in the method for communication provided by the embodiments of the present application, and other communication devices in communication with the first device, a second device and other communication devices in communication with the second device.

[0176] The embodiments of the present application also provide a computer readable storage medium, which stores a computer program for implementing the method in the method embodiments described above. When the computer program runs on the computer, the computer can implement the method in the method embodiments described above.

[0177] The embodiments of the present application also provide a computer program product, which comprises a computer program. When the computer program runs on the computer, the method in the method embodiments described above is executed.

[0178] The embodiments of the present application also provide a chip, which comprises a processor, the processor is connected with a memory, the memory is used for storing a computer program, and the processor is used for executing the computer program stored in the memory, so that the chip executes the method in the method embodiments described above.

[0179] It should be understood that, in the embodiments of the present application, for a technical feature, the technical features are distinguished by "first", "second", "third", etc. The technical features described by "first", "second" and "third" have no order or size order.

[0180] In addition, the term "and / or" in the present application only describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the following three cases: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this paper generally represents an "or" relationship between the front and rear associated objects; the term "at least one" in the present application can represent "one" and "two or more", for example, A, B and C, which can represent the following seven cases: A exists alone, B exists alone, C exists alone, A and B exist simultaneously, A and C exist simultaneously, C and B exist simultaneously, and A, B and C exist simultaneously.

[0181] Those skilled in the art can realize that the units and algorithm steps of each example described in combination with the embodiments disclosed in the present application can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are realized in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0182] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

[0183] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the above-described device embodiments are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed mutual objects can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or other forms.

[0184] The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0185] In addition, the functional units in each embodiment of the present application can be integrated in one processing unit, or each unit can be physically present separately, or two or more units can be integrated in one unit.

[0186] The functions, if realized in the form of software functional units and sold or used as independent products, can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application or the part of the present application that essentially contributes to the prior art or the part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various program code storage media.

[0187] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

A method of communication, characterized in that The method comprises: receiving first information, the first information comprising a plurality of sets of configuration parameters, one of the plurality of sets of configuration parameters being associated with one of a plurality of states; transmitting second information, the second information being used to indicate a first state, the plurality of states comprising the first state; transmitting a channel and / or a signal according to a first set of configuration parameters of the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state. The method of claim 1, wherein any of the plurality of sets of configuration parameters is used to indicate at least one of: a periodicity of physical resources, a bandwidth of the physical resources, a measurement periodicity, a detection pattern, a search space, a number of antennas, a number of data streams, or a modulation and coding scheme (MCS). The method of claim 1 or 2, wherein any of the plurality of states is associated with at least one of: a transmission latency, a transmission rate, a channel quality, a traffic type, a physical layer class, an operating mode of the first device, an energy efficiency class, or an energy consumption class. The method according to any one of claims 1 to 3, characterized in that The plurality of sets of configuration parameters comprises a second set of configuration parameters and a third set of configuration parameters, the plurality of states comprises a second state and a third state, the second set of configuration parameters being associated with the second state, the third set of configuration parameters being associated with the third state, the second set of configuration parameters and the third set of configuration parameters satisfying at least one of: a periodicity of physical resources indicated by the second set of configuration parameters is less than a periodicity of physical resources indicated by the third set of configuration parameters, a bandwidth of the physical resources indicated by the second set of configuration parameters is greater than a bandwidth of the physical resources indicated by the third set of configuration parameters, a periodicity of a search space indicated by the second set of configuration parameters is less than a periodicity of a search space indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is greater than a number of antennas indicated by the third set of configuration parameters; and / or the second state and the third state satisfy at least one of: a transmission latency corresponding to the second state is less than a transmission latency corresponding to the third state, a transmission rate corresponding to the second state is greater than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption class corresponding to the second state is higher than an energy consumption class corresponding to the third state, or an energy efficiency class corresponding to the second state is lower than an energy efficiency class corresponding to the third state. The method of any of claims 1 to 4, wherein a second state is after a time reference point, a third state is before the time reference point, the time reference point being associated with a time of transmitting the second information, wherein the plurality of states comprises the second state and the third state. The method of claim 5, wherein the time reference point is the time of transmitting the second information; or the time reference point is a time after the time of transmitting the second information. The method of any of claims 1 to 6, wherein The second information comprises scheduling request information or uplink control information. The method according to any one of claims 1 to 7, characterized in that The method further comprises: receiving third information, the third information indicating that the first set of configuration parameters is allowed to be used. A method of communication, characterized in that The method comprises: transmitting first information, the first information comprising a plurality of sets of configuration parameters, one set of configuration parameters of the plurality of sets of configuration parameters being associated with one state of a plurality of states; receiving second information, the second information being used for indicating a first state, the plurality of states comprising the first state; transmitting a channel and / or a signal according to a first set of configuration parameters of the plurality of sets of configuration parameters, the first set of configuration parameters being associated with the first state. The method of claim 9, wherein any set of configuration parameters of the plurality of sets of configuration parameters is used for indicating at least one of: a periodicity of physical resources, a bandwidth of the physical resources, a measurement periodicity, a detection pattern, a search space, a number of antennas, a number of data streams, or a MCS. The method of claim 9 or 10, wherein any state of the plurality of states is associated with at least one of: a transmission latency, a transmission rate, a channel quality, a traffic type, a physical layer class, an operation mode of the first device, an energy efficiency class, or an energy consumption class. The method according to any one of claims 9 to 11, characterized in that The plurality of sets of configuration parameters comprises a second set of configuration parameters and a third set of configuration parameters, the plurality of states comprises a second state and a third state, the second set of configuration parameters being associated with the second state, the third set of configuration parameters being associated with the third state, the second set of configuration parameters and the third set of configuration parameters satisfying at least one of: a periodicity of physical resources indicated by the second set of configuration parameters is smaller than a periodicity of physical resources indicated by the third set of configuration parameters, a bandwidth of the physical resources indicated by the second set of configuration parameters is larger than a bandwidth of the physical resources indicated by the third set of configuration parameters, a periodicity of a search space indicated by the second set of configuration parameters is smaller than a periodicity of a search space indicated by the third set of configuration parameters, or a number of antennas indicated by the second set of configuration parameters is larger than a number of antennas indicated by the third set of configuration parameters; and / or the second state and the third state satisfy at least one of: a transmission latency corresponding to the second state is smaller than a transmission latency corresponding to the third state, a transmission rate corresponding to the second state is larger than a transmission rate corresponding to the third state, a channel quality corresponding to the second state is better than a channel quality corresponding to the third state, an energy consumption class corresponding to the second state is higher than an energy consumption class corresponding to the third state, or an energy efficiency class corresponding to the second state is lower than an energy efficiency class corresponding to the third state. The method of any of claims 9 to 12, wherein the second information comprises scheduling request information or uplink control information. The method according to any one of claims 9 to 13, characterized in that The method further comprises: transmitting third information, the third information indicating that the first set of configuration parameters is allowed to be used. A communication device, characterized by A module for performing the method of any of claims 1 to 8. A communication device, characterized by A module for performing the method of any of claims 9 to 14. A communication device, characterized by comprising a processor for implementing the method of any of claims 1 to 8. A communication device, characterized by comprising a processor for implementing the method of any of claims 9 to 14. A communication system characterized by comprising a first device for performing the method of any of claims 1 to 8 and a second device for performing the method of any of claims 9 to 14. A computer-readable storage medium, characterized by comprising: the computer readable medium stores a computer program; the computer program, when executed by the processor, causes the method of any of claims 1 to 14 to be performed. A computer program product, characterized in that comprising a computer program which, when executed by a computer, causes the method of any of claims 1 to 14 to be performed.

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