Communication method and related apparatus
By configuring the power information of interference measurement resources, the problem of inaccurate interference measurement in wireless communication is solved, and communication performance is improved.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-07-10
- Publication Date
- 2026-03-12
AI Technical Summary
How to improve the accuracy of interference measurement to enhance communication performance during wireless communication?
The accuracy of interference measurement is improved by configuring the first power information of the interference measurement resources, including power values and power offset parameters.
This improves the accuracy of interference measurement, thereby enhancing communication performance.
Smart Images

Figure CN2025107905_12032026_PF_FP_ABST
Abstract
Description
A communication method and related apparatus
[0001] The present application claims priority to the Chinese Patent Application No. 202411255554.6, filed on September 6, 2024, and entitled "A communication method and related apparatus", 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 in particular, to a communication method and related apparatus. BACKGROUND
[0003] Wireless communication can be transmission communication between two or more communication devices without propagation through conductors or cables. Generally, the two or more communication devices include a network device and a terminal device, or the two or more communication devices include different terminal devices.
[0004] Currently, in a communication process, a signal sender can send a measurement signal (e.g., a reference signal), and accordingly, a signal receiver can receive the measurement signal and measure channel-related information (e.g., interference information of the channel) based on the measurement signal, and subsequently, resource management can be implemented based on the channel-related information.
[0005] However, in the above measurement process, how to improve the measurement performance is a technical problem to be solved. SUMMARY
[0006] The present application provides a communication method and related apparatus for improving the accuracy of interference measurement and thus improving the communication performance.
[0007] The first aspect of the present application provides a communication method, which is applied to a first communication apparatus, such as being executed by the first communication apparatus. The first communication apparatus can be a communication device (e.g., a terminal device or a network device), or the first communication apparatus can be a part of the communication device (e.g., a circuit or a chip responsible for communication functions (e.g., a Modem chip, also known as a baseband chip, or a system on chip (SoC) chip or a system in package (SIP) chip containing a modem core)), or the first communication apparatus can also be a logic module or software capable of implementing all or part of the functions of the communication device. In the method, the first communication apparatus receives first information, which is used to configure first power information of an interference measurement (IM) resource; and the first communication apparatus performs measurement based on the IM resource and the first power information.
[0008] Based on the above scheme, the first information received by the first communication device is used to configure the first power information of the interference measurement resource, and thereafter, the first communication device can perform measurement based on the interference measurement resource and the first power information. In this way, the first communication device can perform measurement on the interference measurement resource based on the power information configured by the first information, which can improve the accuracy of interference measurement and further improve the communication performance.
[0009] It should be understood that the interference measurement resource can be a resource used for interference measurement. For example, the interference measurement resource can be a channel state information interference measurement (CSI-IM) resource, or the interference measurement resource can be another name specified by a standard / protocol, which is not limited here.
[0010] It should be understood that the interference measurement resource can include one or more resources, and the first power information of the interference measurement resource can be used to indicate (or used to determine) the power of the signal carried by one or more resources included in the interference measurement resource. For example, the first power information can be used to indicate (or used to determine) the power of the signal carried by each resource included in the interference measurement resource.
[0011] Optionally, the first communication device can also receive configuration information for configuring the interference measurement resource. The configuration information and the above-mentioned first information can be carried in the same message / signaling / information, for example, the configuration information can include the above-mentioned first information, or the above-mentioned first information can include the configuration information. Alternatively, the configuration information and the above-mentioned first information can be carried in different messages / signaling / information.
[0012] It should be noted that the process of the first communication device performing measurement based on the interference measurement resource and the first power information can include: the first communication device performing measurement on the interference measurement resource based on the first power information to obtain interference measurement result information; and / or, after the first communication device performs measurement on the interference measurement resource to obtain the interference measurement result information, the first communication device processes (such as mathematical operation, update, or adjustment, etc.) the interference measurement result information based on the first power information.
[0013] In a possible implementation of the first aspect, the first power information includes a power value and / or a power offset parameter, and the power offset parameter is relative to a reference power.
[0014] Based on the above scheme, the first power information configured by the first information can include a power value and / or a power offset parameter, which can configure the power of the interference measurement resource in multiple ways to improve the flexibility of the scheme implementation.
[0015] Optionally, as described before, the interference measurement resource can include one or more resources, accordingly, in the above scheme, the first power information can include power values of 0 or 1 or more resources included in the interference measurement resource, and / or, the first power information can include power offset parameters of 0 or 1 or more resources included in the interference measurement resource.
[0016] In a possible implementation of the first aspect, the method further includes: receiving, by the first communication device, second information, the second information being used to determine the reference power.
[0017] Based on the above scheme, the first communication device can further receive the second information, and determine the reference power based on the second information, so that the first communication device can determine the power values of the signals carried by the interference measurement resource based on the reference power and the power offset parameters included in the first power information.
[0018] Optionally, the reference power can be pre-configured, so as to reduce transmission overhead.
[0019] In a possible implementation of the first aspect, the method further includes: sending, by the first communication device, third information, the third information being used to indicate interference measurement result information, the interference measurement result information being determined based on the interference measurement resource and the first power information.
[0020] Based on the above scheme, after the first communication device performs measurement based on the interference measurement resource and the first power information to obtain the interference measurement result information, the first communication device can further send third information indicating the interference measurement result information, so that a receiver (e.g., a second communication device) of the third information can determine the interference measurement result corresponding to the interference measurement resource, so as to facilitate the receiver to perform resource management based on the interference measurement result.
[0021] Optionally, the resource management can include one or more of radio resource management (RRM), data transmission, etc. For example, the RRM includes one or more of cell selection and reselection, power control, access control, handover management, load control, frequency allocation (e.g., carrier aggregation (CA) related configuration, including but not limited to activating and deactivating carrier aggregation, configuring aggregated carrier set, allocating resource block, etc.), channel allocation, interference management.
[0022] Optionally, the first communication device can not send the third information. For example, in a case where the first communication device determines that the interference indicated by the interference measurement result information is lower than or equal to a threshold, the first communication device can explicitly indicate that the interference is low in a silent manner, so as to reduce transmission overhead.
[0023] As an example, the interference measurement result information includes signal quality information of a signal carried by the interference measurement resource, and / or channel state information (CSI).
[0024] Optionally, the signal quality information can include one or more of reference signal received power (RSRP), interference measurement reference signal received power (IM-RSRP), signal to interference plus noise ratio (SINR), and signal to noise ratio (SNR).
[0025] Optionally, the CSI can include one or more of channel quality indicator (CQI), RSRP, reference signal received quality (RSRQ), received signal strength indicator (RSSI), precoding matrix indicator (PMI), rank indicator (RI), and layer indicator (LI).
[0026] In a possible implementation of the first aspect, the interference measurement result information includes at least one of an index of a signal carried by the interference measurement resource, an index of the interference measurement resource, an index of a reference signal corresponding to the interference measurement result information, or a resource index corresponding to the interference measurement result information.
[0027] Based on the above scheme, the interference measurement result information can include the at least one index, so that a receiver of the third information can determine a measurement object (i.e., a resource and / or a signal) corresponding to the interference measurement result information based on the at least one index, to obtain an interference situation corresponding to the measurement object.
[0028] The second aspect of the present application provides a communication method applied to a first communication device, which is executed by a second communication device, which can be a communication device (e.g., a terminal device or a network device), or a part of the communication device (e.g., a circuit or a chip responsible for communication functions (e.g., a Modem chip, also known as a baseband chip, or a SoC chip or a SIP chip containing a modem core, etc.), or a logic module or software capable of implementing all or part of the functions of the communication device. In the method, the second communication device determines first information, which is used to configure first power information of an interference measurement resource; and the second communication device transmits the first information.
[0029] Based on the above scheme, the first information transmitted by the second communication device to the first communication device is used to configure the first power information of the interference measurement resource, and thereafter, the first communication device can perform measurement based on the interference measurement resource and the first power information. In this way, the first communication device can perform measurement on the interference measurement resource based on the power information configured by the first information, which can improve the accuracy of interference measurement and further improve the communication performance.
[0030] In a possible implementation of the second aspect, the first power information includes a power value and / or a power offset parameter, and the power offset parameter is relative to a reference power.
[0031] Based on the above scheme, the first power information configured by the first information can include a power value and / or a power offset parameter, which can configure the power of the interference measurement resource in multiple ways to improve the flexibility of the scheme implementation.
[0032] In a possible implementation of the second aspect, the method further includes: the second communication device transmits second information, which is used to determine the reference power.
[0033] Based on the above scheme, the second communication device can further transmit second information for determining the reference power to the first communication device, so that the first communication device can determine the power value of the signal carried by the interference measurement resource based on the reference power and the power offset parameter contained in the first power information.
[0034] Optionally, the reference power can be pre-configured to reduce the transmission overhead.
[0035] In a possible implementation of the second aspect, the method further includes: the second communication device receives third information, which is used to indicate interference measurement result information determined based on the interference measurement resource and the first power information.
[0036] Based on the above scheme, after the first communication device obtains the interference measurement result information based on the interference measurement resource and the first power information, the first communication device can further send third information indicating the interference measurement result information to the second communication device, so that the second communication device can determine the interference measurement result corresponding to the interference measurement resource, so as to facilitate the second communication device to perform radio resource management based on the interference measurement result.
[0037] Optionally, the first communication device can not send the third information. For example, in a case where the first communication device determines that the interference indicated by the interference measurement result information is lower than or equal to a threshold, the first communication device can explicitly indicate that the interference is low to the second communication device in a silent manner, so as to reduce transmission overhead.
[0038] As an example, the interference measurement result information includes signal quality information of a signal carried by the interference measurement resource, and / or channel state information.
[0039] In a possible implementation of the second aspect, the interference measurement result information includes at least one of the following: an index of a signal carried by the interference measurement resource, an index of the interference measurement resource, an index of a reference signal corresponding to the interference measurement result information, or a resource index corresponding to the interference measurement result information.
[0040] Based on the above scheme, the interference measurement result information can include the at least one index, so that the second communication device can determine a measurement object (i.e., a resource and / or a signal) corresponding to the interference measurement result information based on the at least one index, to obtain an interference situation corresponding to the measurement object.
[0041] In a possible implementation of the first aspect or the second aspect, the interference measurement resource is a zero-power interference measurement resource.
[0042] Based on the above scheme, the interference measurement resource measured by the first communication device can be a zero-power interference measurement resource, that is, no other signal can be carried on the interference measurement resource, so that the interference measurement result information measured by the first communication device can reflect an interference situation caused by an interference signal on the interference measurement resource.
[0043] In a possible implementation of the first aspect or the second aspect, the interference measurement resource is a non-zero-power interference measurement resource, and the first power information is used to determine at least two power information corresponding to the interference measurement resource.
[0044] Based on the above scheme, the interference measurement resource on which the first communication device performs measurement can be a non-zero power interference measurement resource, i.e., the non-zero power signal can be carried on the interference measurement resource, so that the interference measurement result information measured by the first communication device can reflect the interference caused by the non-zero power signal on the interference measurement resource.
[0045] In addition, in the case where the interference measurement resource is a non-zero power interference measurement resource, the first communication device can determine at least two power information corresponding to the interference measurement resource based on the first power information. Compared with the average interference measurement on different resources, in the above scheme, the different resources contained in the interference measurement resource can be configured with respective power information (e.g., the interference measurement resource can correspond to at least two signals with different powers), so that the first communication device can perform measurement and obtain the interference measurement result based on the respective power information of each resource, and the accuracy of measurement can be further improved.
[0046] Optionally, the interference measurement resource includes a zero power interference measurement resource and a non-zero power interference measurement resource.
[0047] As an example, as known from the foregoing, the interference measurement resource can include one or more resources, and in the case where the interference measurement resource includes a zero power interference measurement resource, the first power information can indicate the power of the zero power interference measurement resource. For example, the interference measurement resource can include a zero power channel state information reference signal (ZP CSI-RS) resource.
[0048] As another example, as known from the foregoing, the interference measurement resource can include one or more resources, and in the case where the interference measurement resource includes a non-zero power interference measurement resource, the first power information can indicate the power of the non-zero power interference measurement resource. For example, the interference measurement resource can include a non-zero power channel state information reference signal (NZP CSI-RS) resource.
[0049] In a possible implementation of the first aspect or the second aspect, the interference measurement resource includes N frequency domain resources, and N is a positive integer; and the first power information is used to determine power information corresponding to the N frequency domain resources.
[0050] Based on the above scheme, the interference measurement resource can include N frequency domain resources, so that the first communication device can determine the power information corresponding to the N frequency domain resources based on the first power information, and perform measurement based on the power information corresponding to the N frequency domain resources, to improve the accuracy of interference measurement of the N frequency domain resources.
[0051] Optionally, N is greater than 1, and the power information corresponding to different frequency domain resources in the N frequency domain resources can be the same or different. For example, the first communication device can determine N power information corresponding to the N frequency domain resources based on the first power information, and can perform measurement on the N frequency domain resources based on the N power information; compared with the average interference measurement on different frequency domain resources, the first communication device can perform measurement based on the power information corresponding to each frequency domain resource and obtain the interference measurement result, and can further improve the accuracy of measurement.
[0052] Optionally, the frequency domain unit can indicate resources on one or more frequency domains, including one or more subcarriers, one or more subcarrier groups, one or more resource blocks, one or more physical resource blocks, one or more resource block groups, one or more partial bandwidths, or other implementation manners specified by standards / protocols.
[0053] In a possible implementation manner of the first aspect or the second aspect, the i th frequency domain resource of the N frequency domain resources includes M resource units in a frequency domain unit, i is 1 to N, and M is an integer greater than or equal to 1; wherein the first power information is used to determine power information corresponding to the M resource units.
[0054] Based on the above scheme, any frequency domain resource (i.e., the i th frequency domain resource) of the N frequency domain resources can include a plurality of resource units (i.e., M resource units) in a frequency domain unit, and the first communication device can determine the power information corresponding to the plurality of resource units based on the first power information, and perform measurement with finer granularity based on the power information corresponding to each resource unit, to further improve the accuracy of measurement.
[0055] Optionally, the resource unit can be the smallest unit of time-frequency resources, and can include one or more resources on time-frequency domains, such as one or more symbols on the time domain and one or more subcarriers on the frequency domain. For example, one resource unit can be a resource of one symbol on the time domain and one subcarrier on the frequency domain. For example, the resource unit can be a resource element (RE), and the resource element can be in one or more resource grids (RGs). Alternatively, the resource unit can be other implementation manners specified by standards / protocols.
[0056] In a possible implementation manner of the first aspect or the second aspect, the first power information satisfies any one of the following:
[0057] The first power information comprises first indication information and / or second indication information, the first indication information being used for indicating the resource pattern of the M resource units, and the second indication information being used for indicating the power information corresponding to the resource pattern of the M resource units.
[0058] The first power information comprises power information of one or more time units corresponding to the M resource units.
[0059] The first power information comprises power information corresponding to the M resource units.
[0060] The first power information comprises power information of one or more groups of resource units corresponding to the M resource units.
[0061] Based on the above scheme, the first power information can determine the power information corresponding to the M resource units in the above-mentioned multiple manners, so as to improve the flexibility of the scheme implementation.
[0062] In a possible implementation manner of the first aspect or the second aspect, the interference measurement resource comprises P resource units in one frequency domain unit, P being a positive integer; and the first power information is used for determining power information corresponding to the P resource units.
[0063] Based on the above scheme, the interference measurement resource can comprise P resource units, so that the first communication device can determine the power information corresponding to the P resource units based on the first power information, and perform measurement based on the power information corresponding to the P resource units, so as to improve the accuracy of the interference measurement of the P resource units.
[0064] Optionally, P is greater than 1, and the power information corresponding to different resource units in the P resource units can be the same or different. For example, the first communication device can determine P pieces of power information corresponding to the P resource units based on the first power information, and can perform measurement on the P resource units based on the P pieces of power information; compared with the average manner of performing interference measurement on different resource units, the first communication device can perform measurement based on the power information corresponding to each resource unit and obtain the interference measurement result, so as to further improve the accuracy of the measurement.
[0065] In a possible implementation manner of the first aspect or the second aspect, the first power information satisfies any one of the following:
[0066] The first power information includes third indication information and / or fourth indication information, the third indication information being used for indicating a resource pattern of the P resource units, and the fourth indication information being used for indicating power information corresponding to the resource pattern of the P resource units.
[0067] The first power information includes power information of one or more time units corresponding to the P resource units.
[0068] The first power information includes power information corresponding to the P resource units.
[0069] The first power information includes power information of one or more groups of resource units corresponding to the P resource units.
[0070] Based on the above scheme, the first power information can determine the power information of the P resource units in the above-mentioned multiple ways, so as to improve the flexibility of the scheme implementation.
[0071] In a possible implementation of the first aspect or the second aspect, the interference measurement resource is used for interference measurement of the first radio access technology, and the interference measurement resource is used for carrying a communication signal of the second radio access technology (or the interference measurement resource corresponds to the communication signal of the second radio access technology).
[0072] Based on the above scheme, the interference measurement resource can be used for carrying a communication signal of the second radio access technology in addition to being used for interference measurement of the first radio access technology, so that the above scheme can be applied to a scenario of two or more radio access technology spectrum sharing (for example, multi radio access technology spectrum sharing (MRSS)), and the accuracy of interference measurement in the scenario is improved, and the communication performance is improved.
[0073] The third aspect of the present application provides a communication device, which includes a transceiver unit and a processing unit; the transceiver unit is used for receiving first information, the first information being used for configuring first power information of an interference measurement resource; and the processing unit is used for performing measurement based on the interference measurement resource and the first power information.
[0074] In the third aspect of the present application, the component modules of the communication device can also be used to perform the steps performed in the various possible implementation manners of the first aspect, and achieve the corresponding technical effects, which can be referred to the first aspect for details, and will not be described here.
[0075] The fourth aspect of the present application provides a communication device, which includes a transceiver unit and a processing unit, the processing unit being used for determining first information, the first information being used for configuring first power information of an interference measurement resource; and the transceiver unit being used for sending the first information.
[0076] In the fourth aspect of the present application, the constituent modules of the communication device can also be used to perform the steps performed in the various possible implementation manners of the second aspect and achieve the corresponding technical effects. For details, please refer to the second aspect, which will not be described here again.
[0077] The fifth aspect of the present application provides a communication device, comprising at least one processor, which is used to execute computer programs or instructions to enable the communication device to implement the method described in any one of the possible implementation manners of the first aspect or the second aspect.
[0078] Optionally, the communication device can comprise the memory, and / or the at least one processor is coupled with the memory; wherein the memory is used to store programs or instructions.
[0079] The sixth aspect of the present application provides a communication device, comprising at least one logic circuit; the logic circuit is used to execute the method described in any one of the possible implementation manners of any one of the first aspect to the second aspect.
[0080] The seventh aspect of the present application provides a communication system, which comprises the first communication device and the second communication device.
[0081] The eighth aspect of the present application provides a computer readable storage medium, which is used to store one or more computer execution instructions; when the computer execution instructions are executed by a computer, the computer executes the method described in any one of the possible implementation manners of any one of the first aspect to the second aspect.
[0082] The ninth aspect of the present application provides a computer program product (or computer program), when the computer program in the computer program product is executed by a computer, the computer executes the method described in any one of the possible implementation manners of any one of the first aspect to the second aspect.
[0083] The tenth aspect of the present application provides a chip or chip system, which comprises at least one processor, used to support the communication device to implement the method described in any one of the possible implementation manners of any one of the first aspect to the second aspect. For example, the chip can be a baseband chip, a modem chip, a SoC chip (such as a SoC chip containing a modem core), a SIP chip, or a communication module, etc.
[0084] In a possible design, the chip system can further include a memory, which is configured to store program instructions and data necessary for the communication apparatus. The chip system can be composed of a chip, or can include the chip and other discrete devices. Optionally, the chip system further includes an interface circuit, which provides the program instructions and / or data for the at least one processor.
[0085] The technical effects brought by any one of the designs in the third aspect to the tenth aspect can be referred to the technical effects brought by the different designs in the first aspect to the second aspect, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS
[0086] FIGS. 1a to 1g are some schematic diagrams of a communication system provided in the present application;
[0087] FIGS. 2a to 2h are some schematic diagrams of a communication process related to the present application;
[0088] FIG. 3 is a schematic diagram of a communication method provided in the present application;
[0089] FIGS. 4a to 4d are some schematic diagrams of resource mapping provided in the present application;
[0090] FIGS. 5 to 9 are some schematic diagrams of a communication apparatus provided in the present application. DETAILED DESCRIPTION
[0091] First, some terms in the embodiments of the present application are explained to facilitate understanding by those skilled in the art.
[0092] (1) Terminal device: can be a wireless terminal device capable of receiving network device scheduling and indication information, and the wireless terminal device can be a device providing voice and / or data connectivity to a user, or a handheld device with wireless connection function, or other processing devices connected to a wireless modem.
[0093] A terminal device can communicate with one or more core networks or the Internet via a radio access network (RAN), and the terminal device can be a mobile terminal device, such as a mobile phone (or called "cellular" phone, mobile phone), a computer, and a data card, for example, a portable, pocket, handheld, computer built-in, or vehicle-mounted mobile device that exchanges voice and / or data with a radio access network. For example, a personal communication service (PCS) phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a Pad, a computer with wireless transceiver function, and the like. The wireless terminal device can also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station (MS), a remote station, an access point (AP), a remote terminal, an access terminal, a user terminal, a user agent, a subscriber station (SS), customer premises equipment (CPE), a terminal, user equipment (UE), a mobile terminal (MT), a drone, and the like. The terminal device can also be a wearable device and a next-generation communication system, such as a terminal device in a 5G communication system or a terminal device in a future evolved public land mobile network (PLMN), and the like.
[0094] The terminal can be widely applied in various scenarios, such as device-to-device (D2D), vehicle to everything (V2X) communication, machine-type communication (MTC), internet of things (IOT), virtual reality, augmented reality, industrial control, automatic driving, remote medical treatment, smart power grid, smart furniture, smart office, smart wear, smart transportation, smart city, communication and sensing integration, etc. The terminal can be a mobile phone, a tablet computer, a computer with wireless transceiver function, a wearable device, a vehicle, an airplane, a ship, a robot, a mechanical arm, a smart home device, a sensor, etc. Embodiments of the present application do not limit the specific technology and specific device form of the terminal.
[0095] (2) Network device (or network element): can be a device in a wireless network, for example, the network device can be a RAN node (or device) for accessing a terminal device to a wireless network, which can also be called a base station. At present, some examples of RAN devices are: base station, evolved NodeB (eNodeB), base station gNB (gNodeB) in 5G communication system, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC), Node B (NB), home base station (for example, home evolved Node B, or home Node B, HNB), base band unit (BBU), or wireless fidelity (Wi-Fi) access point AP, etc. In addition, in a network structure, the network device can include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node.
[0096] Optionally, the RAN node can also be a macro base station, a micro base station or an indoor station, a relay node or a donor node, or a wireless controller in a cloud radio access network (CRAN) scenario. The RAN node can also be a server, a wearable device, a vehicle or a vehicle-mounted device, etc. For example, the access network device in V2X technology can be a road side unit (RSU).
[0097] The network device and / or the terminal device can be fixed in position or mobile. The network device and / or the terminal device can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; can also be deployed on water; can also be deployed on an airplane, a balloon, and a man-made satellite. Embodiments of the present application do not limit the application scenarios of the network device and / or the terminal device.
[0098] In another possible scenario, multiple RAN nodes cooperate to assist a terminal to implement wireless access, and different RAN nodes respectively implement part of the functions of a base station. For example, the RAN node can be a CU, a DU, a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. The CU and the DU can be separately arranged, or can be included in the same network element, such as a baseband unit (BBU). The RU can be included in a radio frequency device or a radio frequency unit, such as a remote radio unit (RRU), an active antenna processing unit (AAU), or a remote radio head (RRH).
[0099] In different systems, the CU (or CU-CP and CU-UP), DU, or RU can also have different names, but those skilled in the art can understand their meanings. For example, in an open RAN (O-RAN or ORAN) system, the CU can also be referred to as an O-CU (open CU), the DU can also be referred to as an O-DU, the CU-CP can also be referred to as an O-CU-CP, the CU-UP can also be referred to as an O-CU-UP, and the RU can also be referred to as an O-RU. For the convenience of description, the CU, the CU-CP, the CU-UP, the DU, and the RU are taken as examples for description in the present application. Any one of the CU (or the CU-CP, the CU-UP), the DU, and the RU in the present application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.
[0100] The communication between the access network device and the terminal device follows a certain protocol layer structure. The protocol layer can include a control plane protocol layer and a user plane protocol layer. The control plane protocol layer can include at least one of a radio resource control (RRC) layer, a packet data convergence protocol (PDCP) layer, a radio link control (RLC) layer, a media access control (MAC) layer, or a physical (PHY) layer, etc. The user plane protocol layer can include at least one of a service data adaptation protocol (SDAP) layer, a PDCP layer, an RLC layer, a MAC layer, or a physical layer, etc. Among them, the physical layer can include a high physical layer (higher PHY or PHY-high) and a low physical layer (lower PHY or PHY-low). The high physical layer functions include one or more of forward error correction (FEC) encoding / decoding, scrambling / descrambling, or modulation / demodulation. The physical layer (lower physical layer, Lower PHY) functions and radio frequency functions. The low physical layer functions include one or more of fast Fourier Transform (FFT) transform / inverse fast Fourier transform (IFFT) transform, digital beamforming, or extraction and filtering of a physical random access channel (PRACH), etc.
[0101] For the correspondence between the network elements in the ORAN system and the protocol layer functions that can be implemented by the network elements, refer to Table 1 below.
[0102] Table 1
[0103] The network device can be another device that provides wireless communication functions for the terminal device. The embodiments of the present application do not limit the specific technology and specific device form adopted by the network device. For the convenience of description, the embodiments of the present application do not limit.
[0104] The network device can also include a core network device, for example, including a mobility management entity (MME) in a fourth generation (4G) network, a home subscriber server (HSS), a serving gateway (S-GW), a policy and charging rules function (PCRF), a public data network gateway (P-GW), a network element such as an access and mobility management function (AMF), a user plane function (UPF), or a session management function (SMF) in a 5G network, and the like. In addition, the core network device can also include other core network devices in a 5G network and a next-generation network of the 5G network.
[0105] In the embodiments of the present application, the device for implementing the function of the network device can be the network device, or a device capable of supporting the network device to implement the function, such as a chip system, which can be installed in the network device. In the technical solutions provided in the embodiments of the present application, the device for implementing the function of the network device is taken as an example to describe the technical solutions provided in the embodiments of the present application.
[0106] (3) Configuration and pre-configuration: in the present application, configuration and pre-configuration will be used simultaneously. Configuration refers to that the network device sends some parameter configuration information or parameter values to the terminal device through a message or signaling, so that the terminal device determines the communication parameters or the resource in the transmission according to the values or information. Pre-configuration is similar to configuration, which can be parameter information or parameter values agreed by the network device and the terminal device in advance, or parameter information or parameter values adopted by the network device and / or the terminal device according to a standard protocol, or parameter information or parameter values pre-stored in the network device and / or the terminal device. The present application does not limit this.
[0107] Optionally, configuration can also be understood as indication.
[0108] Further, the values and parameters can be changed, updated or reconfigured.
[0109] (4) The terms "system" and "network" in the embodiments of the present application can be used interchangeably. "At least one" refers to one or more, and "multiple" refers to two or more. "And / or" 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 cases of A alone, A and B together, and B alone, where A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects before and after it. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or multiple items. For example, "at least one of A, B, and C" includes A, B, C, AB, AC, BC, or ABC. In addition, unless otherwise specified, the ordinal numbers "first", "second", etc. mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the order, time sequence, priority or importance of the multiple objects.
[0110] (5) In the embodiments of the present application, "sending" and "receiving" represent the direction of signal transmission. For example, "sending information to XX" can be understood as that the destination of the information is XX, which can include direct sending through the air interface, or indirect sending through the air interface by other units or modules. "Receiving information from YY" can be understood as that the source of the information is YY, which can include direct receiving from YY through the air interface, or indirect receiving from YY through the air interface by other units or modules. "Sending" can also be understood as "output" of a chip interface, and "receiving" can also be understood as "input" of a chip interface.
[0111] In other words, sending and receiving can be between devices, such as between network devices and terminal devices, or within devices, such as between components, modules, chips, software modules or hardware modules within a device through a bus, wire or interface.
[0112] It can be understood that the information may be processed as necessary between the source and the destination of the information transmission, such as encoding and modulation, but the destination can understand the valid information from the source. Similar expressions in the present application can be similarly understood, and will not be repeated here.
[0113] (6) In the embodiments of the present application, the indication can include direct indication and indirect indication, and can also include explicit indication and implicit indication. The information indicated by certain information (indication information described below) is referred to as to-be-indicated information. In the implementation process, there are many ways to indicate the to-be-indicated information, for example, but not limited to, the to-be-indicated information can be directly indicated, such as the to-be-indicated information itself or an index of the to-be-indicated information. The to-be-indicated information can also be indirectly indicated by indicating other information, where the other information and the to-be-indicated information have an association relationship. The to-be-indicated information can also be indicated only by a part of the to-be-indicated information, and the other part of the to-be-indicated information is known or agreed in advance. For example, the indication of a specific information can be achieved by means of the arrangement order of each information agreed in advance (for example, protocol predefined), thereby reducing the indication overhead to a certain extent. The specific manner of indication is not limited in the present application. It can be understood that the indication information can be used to indicate the to-be-indicated information for the sender of the indication information, and the indication information can be used to determine the to-be-indicated information for the receiver of the indication information.
[0114] In the present application, the same or similar parts between various embodiments can be mutually referred to, unless otherwise specified. In the various embodiments of the present application, and the various implementation manners / implementation methods / implementation approaches in the various embodiments, the terms and / or descriptions of different embodiments, and the various implementation manners / implementation methods / implementation approaches in the various embodiments are consistent and can be mutually referred to, unless otherwise specified and logically conflicted. The technical features in different embodiments, and the various implementation manners / implementation methods / implementation approaches in the various embodiments can be combined to form new embodiments, implementation manners, implementation methods, or implementation approaches according to their inherent logical relationship. The implementation manners of the present application described below do not constitute a limitation on the protection scope of the present application.
[0115] In order to facilitate the understanding of the method provided by the embodiments of the present application, the system architecture of the method provided by the embodiments of the present application will be described below. It can be understood that the system architecture described in the embodiments of the present application is used to more clearly illustrate the scheme of the embodiments of the present application, and does not constitute a limitation on the scheme provided by the embodiments of the present application.
[0116] In a possible implementation, the present application can be applied to a Narrow Band-Internet of Things (NB-IoT) system, a Global System for Mobile Communications (GSM) system, an Enhanced Data rate for GSM Evolution (EDGE) system, a Wideband Code Division Multiple Access (WCDMA) system, a Code Division Multiple Access (CDMA2000) system, a Time Division-Synchronization Code Division Multiple Access (TD-SCDMA) system, an integrated sensing and communication (ISAC) communication system, a wireless local area network (WLAN) system, a short-range wireless communication system (such as a sidelink system, a wireless fidelity (Wi-Fi or WiFi) system, a Bluetooth system, or the like), a wired network, a vehicle to everything (V2X) communication system, a device-to-device (D2D) communication system, a vehicle-to-everything (V2X) communication system, a 4th generation (4G) mobile communication system (such as a long term evolution (LTE) system), an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD) system, a worldwide interoperability for microwave access (WiMAX) communication system, a 5th generation (5G) mobile communication system (such as a new radio (NR) system), a future evolved new radio (NR) wireless communication system, or another similar communication system, without limitation.For example, the present application can be applied to an orthogonal frequency division multiplexing (OFDM) system in LTE, an OFDM system in NR, and future OFDM systems and OFDM-like systems, for example, the present application can be applied to three major application scenarios of the next generation 5G mobile communication system: enhanced mobile broadband (eMBB), ultra-reliable low latency communication (URLLC), and / or enhanced machine type communication (eMTC).
[0117] Referring to FIG. 1a, an architecture diagram of a communication system 1000 to which embodiments of the present application can be applied is shown. As shown in FIG. 1a, the communication system includes a RAN 100 and a core network 200, and optionally, the communication system 1000 can further include an Internet 300. The RAN 100 includes at least one RAN node (e.g., 110a and 110b in FIG. 1a, collectively referred to as 110), and can further include at least one terminal (e.g., 120a-120j in FIG. 1a, collectively referred to as 120). The RAN 100 can further include other RAN nodes, such as a wireless relay device and / or a wireless backhaul device (not shown in FIG. 1a). The terminal 120 is connected to the RAN node 110 in a wireless manner, and the RAN node 110 is connected to the core network 200 in a wireless or wired manner. The core network device in the core network 200 and the RAN node 110 in the RAN 100 can be independent and different physical devices, or can be the same physical device integrated with the logical functions of the core network device and the logical functions of the RAN node. Terminals and terminals, and RAN nodes and RAN nodes can be connected to each other in a wired or wireless manner.
[0118] FIG. 1b shows an example diagram of an O-RAN system, which can include other components than those shown in the figure. As shown, an access network device (such as a RAN device, which can be an eNB or a gNB or a next generation access network device) communicates with a core network (CN) through a backhaul and communicates with a UE through an air interface.
[0119] In a possible implementation, the present application can be applied to a long term evolution (LTE) wireless communication system, an NR wireless communication system, and a future evolved new radio (NR) wireless communication system. For example, the present application can be applied to an orthogonal frequency division multiplexing (OFDM) system in LTE, an OFDM system in NR, and a future OFDM system and an OFDM-like system, etc.
[0120] As an example, the RAN node can be a satellite base station or a satellite, which is explained below in connection with FIGS. 1c-1g. FIGS. 1c and 1d are schematic diagrams of a communication system suitable for embodiments of the present application.
[0121] As shown in FIGS. 1c and 1d, the satellite base station provides communication services for terminals. For example, the satellite base station transmits downlink data to a terminal, where the data is encoded using channel coding, and the channel-coded data is transmitted to the terminal after being modulated using constellation modulation. As another example, a terminal transmits uplink data to the satellite base station, where the uplink data can also be encoded using channel coding, and the encoded data is transmitted to the satellite base station after being modulated using constellation modulation. In addition, as shown in FIG. 1d, the satellite base station can also communicate with a ground base station, i.e., the satellite can act as a base station, and also as a terminal.
[0122] In the present application, the satellite can refer to a drone, a hot air balloon, a low earth orbit satellite, a medium earth orbit satellite, a high earth orbit satellite, etc. The satellite can also refer to a non-ground base station or a non-ground device, etc.
[0123] It should be understood that the present application can be applied to a scenario in which a network device communicates with another network device, and the scenario shown in FIG. 1d can also be regarded as an example of network device communication, where the satellite and the base station can both be regarded as a network device.
[0124] As an implementation, the present application can be applied to a satellite inter-satellite link communication system. As shown in FIG. 1e, communication between satellite #1 and satellite #2.
[0125] As shown in FIG. 1e, the satellite inter-satellite link communication system can be divided into two parts: an acquisition pointing tracking (APT) subsystem (including an APT module and an APT transmitter / receiver) and a communication subsystem (including a communication module and a transceiving antenna). Among them, the communication subsystem is mainly responsible for the transmission of inter-satellite information, and the communication subsystem is the main part of the inter-satellite communication system; the APT system is mainly responsible for the acquisition, alignment and tracking between satellites. Among them, the direction of arrival of the incident signal can be determined, which is used for acquisition, and the direction of the transmitted wave is adjusted to aim at the receiving direction, which is used for alignment. In the whole communication process, the APT is constantly adjusted to align and acquire, which is used for tracking. In order to reduce the influence of attenuation and interference in the channel as much as possible, while requiring high confidentiality and transmission rate, the APT must be adjusted in real time to constantly adapt to changes.
[0126] It should be understood that the current APT system is an optical system, which has the disadvantage that optical alignment is difficult and requires mechanical adjustment of the pointing direction. The existing communication subsystem is mostly an optical communication system, and there are also some microwave band systems, mostly using a single high-gain antenna. The existing APT system and communication subsystem are independent systems. The disadvantage is that optical communication is easily affected by vibration and the like, and the rate is unstable; the frequency of millimeter waves is low, the communication capacity is low, and the antenna needs to be mechanically adjusted to point.
[0127] As another implementation manner, the present application can be applied to the scenario of terminal device-to-terminal device communication, for example, an Internet of Things communication system.
[0128] FIG. 1f is a schematic diagram of an Internet of Things wireless screen projection suitable for an embodiment of the present application. A terminal device (for example, a smart phone) establishes a network connection with a television, and the smart phone transmits content that needs to be projected and displayed on the television to the television. After receiving the content transmitted by the smart phone, the television displays the content on its display screen.
[0129] It should be understood that the screen projection scenario shown in FIG. 1f can be regarded as an example of terminal device-to-terminal device communication, in which the smart phone and the television can both be regarded as a terminal device.
[0130] As another implementation manner, the present application can be applied to an integrated access and backhaul (IAB) system.
[0131] FIG. 1g is a schematic diagram of an IAB system applicable to embodiments of the present application. As shown in FIG. 1g, the IAB can include an IAB donor, an IAB node and a terminal. The link between the IAB donor and the IAB node is a backhaul link, and the link between the terminal and the IAB node is an access link. The present application can be applied to both parties of communication in the backhaul link, or both parties of communication in the access link.
[0132] It should be understood that the above system application scenarios are only examples, and the present application can also be applied to other scenarios, which are not listed one by one here.
[0133] In a wireless communication system (for example, the system shown in any one of FIGS. 1a to 1g), the wireless communication resource generally includes time-frequency resources, which will be introduced below taking the NR system as an example. It should be understood that NR can be replaced by 5G or 5G NR.
[0134] 1. Numerology.
[0135] 5G NR introduces the concept of Numerology, which includes sub-carrier spacing (SCS), and corresponding parameters such as symbol length, cycle prefix (CP) length, etc. Since there is a certain mapping relationship between SCS and symbol length, CP length, in some documents, SCS is also often used instead of Numerology.
[0136] For example, the parameters involved in Numerology are shown in Table 2.
[0137] Table 2
[0138] In Table 2, μ represents the sub-carrier spacing index, or μ represents the numerology, the CP length includes normal CP length and extended CP length, and FR represents the frequency range (FR).
[0139] 2. Frame structure.
[0140] In the NR system, the time domain units are symbol, slot, subframe, half frame, frame, etc., wherein the time of one frame is 10 ms, one frame can be divided into 10 subframes numbered 0-9, and the subframes numbered 0-4 form one half frame, and the subframes numbered 5-9 form another half frame. The time of each subframe is 1 ms. Each subframe can include one or more slots, and each slot includes 14 symbols under normal CP and 12 symbols under extended CP.
[0141] For example, the number of slots included in each subframe is related to SCS, and the association is shown in Table 3.
[0142] Table 3
[0143] As shown in the example of FIG. 2a, it is a schematic diagram of the frame structure of 5G NR, including:
[0144] Frame: fixed length of 10 ms, frame number range: 0-1023.
[0145] Subframe: fixed length of 1 ms, subframe number range: 0-9.
[0146] Slot: when normal CP is used, the length is 14 symbols. Since the symbol length is not fixed, the slot length is also not fixed. When the SCS is 60 kHz, extended CP can also be used, and the slot length is 12 symbols. Optionally, the slot is the smallest unit of data scheduling.
[0147] Symbol: the length is not fixed and is related to SCS. Optionally, the symbol is the basic unit of modulation.
[0148] Generally, in the physical layer, one symbol can contain a plurality of sampling points, and the sampling point can be the smallest time unit of the physical layer.
[0149] In addition, the scheduling time unit in the data domain of 5G NR is a slot, and the number of symbols included in the slot is fixed, but the length of the symbol is related to SCS. In the following, the relationship between the frame, subframe, slot and symbol will be exemplarily explained with SCS being 30 kHz and 120 kHz as examples.
[0150] As shown in the examples of FIGS. 2b and 2c, the relationship between the frame, subframe, slot and symbol corresponding to SCS being 30 kHz and 120 kHz respectively.
[0151] 3. Symbol type and slot format.
[0152] Generally, OFDM symbols include three types, which are:
[0153] Downlink (DL): denoted by the letter D, used for downlink transmission.
[0154] Uplink (UL): denoted by the letter U, used for uplink transmission.
[0155] Flexible (F): denoted by the letter F, can be used for uplink transmission, also can be used for downlink transmission, and also can be used as guard period (GP) or reserved resource.
[0156] Optionally, each time slot can be freely combined by the three types of symbols, forming a variety of time slot formats.
[0157] As shown in the example of FIG. 2d, according to the time slot format defined by the protocol, the time slot type can be divided into four cases (Cases).
[0158] Case 1: only contains “D” symbols, which is also commonly referred to as a downlink-only slot (DL-only slot).
[0159] Case 2: only contains “U” symbols, which is also commonly referred to as a downlink-only slot (UL-only slot).
[0160] Case 3: only contains “F” symbols, which is also commonly referred to as a flexible-only slot.
[0161] Case 4: contains at least one “D” or “U” symbol in a time slot, and there is also an “F” symbol in the time slot.
[0162] In addition, as shown in FIG. 2d, Case 4 can be further divided into several sub-Cases.
[0163] Case 4-1: a time slot contains more “D” symbols and fewer “F” symbols.
[0164] Case 4-2: a time slot contains more “U” symbols and fewer “F” symbols.
[0165] Case 4-3: a time slot contains more “D” symbols, fewer “F” symbols, and fewer “U” symbols.
[0166] Case 4-4: a time slot contains more “U” symbols, fewer “F” symbols, and fewer “D” symbols.
[0167] Case 4-5: a time slot contains alternatingly distributed “D” symbols, “F” symbols, and “U” symbols.
[0168] As can be seen from the above examples, the slot format design of 5G NR can achieve uplink and downlink data changes at the symbol level, while LTE can only achieve changes at the subframe level in general. This design is more flexible, and at the same time makes the slot type more diverse to adapt to different types of services in different scenarios.
[0169] 4. Self-contained slot.
[0170] Case 4-3, case 4-4 and Case 4-5 in FIG. 2d, also known as self-contained slots, correspond to three structures of self-contained slots, respectively.
[0171] One structure is a DL-dominant slot: that is, Case 4-3 in FIG. 2d, in which the slot is mainly used for transmission of downlink data, and a small number of symbols are used for transmission of uplink control signals (such as hybrid automatic repeat request (HARQ) feedback of the downlink data) or sounding reference signals (SRS) through time division multiplexing, thereby shortening the downlink HARQ feedback delay.
[0172] Another structure is a UL-dominant slot: that is, Case 4-4 in FIG. 2d, in which the slot is mainly used for transmission of uplink data, and a small number of symbols are used for transmission of downlink control signals (such as uplink scheduling indication in PDCCH) through time division multiplexing, thereby shortening the uplink scheduling delay.
[0173] Generally, in the design of a self-contained slot, both the network device and the terminal device can switch between uplink and downlink transmission within one slot, and the switching can be guaranteed to work normally by reserving a guard time and not transmitting or receiving any signals in the guard time.
[0174] 5. Mini-slot.
[0175] In order to further reduce the air interface delay, the protocol proposes the concept of a mini-slot, whose time domain length can be less than 14 symbols. Compared with the scheduling of a basic slot, the division in the time domain of a mini-slot is more fine-grained, and the scheduling delay is also shorter. The scheduling of a mini-slot is usually also referred to as non-slot based scheduling.
[0176] 6. Frequency domain resource.
[0177] A resource element (RE) is the smallest granularity of physical layer resource in 5G NR, which is 1 subcarrier in frequency domain and 1 OFDM symbol in time domain.
[0178] A resource block (RB) is the basic unit of channel resource allocation in 5G NR in frequency domain, which can contain 12 subcarriers in frequency domain. Since the subcarrier spacing in 5G NR is variable, the actual bandwidth of the RB is also variable.
[0179] A resource grid (RG) is a set of time-frequency resources, which is defined as follows in 5G NR: for different numerologies on each carrier, an RG is a set of resources of all subcarriers in frequency domain and all symbols in time domain with a length of 1 subframe, and the starting point of the frequency domain is in RB granularity. Since different numerologies correspond to different SCS, and one RB contains 12 subcarriers, for the same transmission bandwidth, the number of RBs contained in the RG is different under different numerologies. The RG is 1 subframe in time domain. The uplink and downlink each define their own RG.
[0180] As shown in FIG. 2e, it is a schematic diagram of one implementation of resource division of RE, RB and RG. In FIG. 2e, one subframe in time domain can include a plurality of OFDM symbols; one resource element represents a resource of 1 subcarrier in frequency domain and 1 OFDM symbol in time domain; one resource block contains 12 subcarriers in frequency domain; and a resource grid represents a set of time-frequency resources.
[0181] A common resource block (CRB) can be understood as a general term for all RBs in 5G NR, numbered from 0, and the center frequency point of the 0th subcarrier in CRB0 is also point A.
[0182] A physical resource block (PRB) refers to the RB contained in the bandwidth part (BWP) of a certain UE in 5G NR, also numbered from 0, which is the basic unit of data channel scheduling.
[0183] A resource block group (RBG) refers to a combination of a number of PRBs within a bandwidth part (BWP), which is also numbered from 0, and is a basic unit of data channel scheduling. An RBG can contain {2, 4, 8, 16} PRBs, and the specific number is related to the number of RBs in the BWP and the configuration options.
[0184] A resource element group (REG) is a basic unit of control channel resources. One REG is 12 subcarriers in the frequency domain, i.e., the width of one RB, and 1 OFDM symbol in the time domain.
[0185] A control channel element (CCE) is a basic unit of control channel resource scheduling, and one CCE is composed of 6 REGs in the frequency domain.
[0186] As shown in FIG. 2f, it is a schematic diagram of the relationship between REG and CCE.
[0187] As described above, the definition of time-frequency resources of NR, the same definition can be used in future networks, or different definitions can be used. For example, future networks can define multiple subcarrier spacings, not limited to SCS in 5G. One slot can include one or more symbols, one RB can include one or more subcarriers, etc.
[0188] 7. Transmission or reception
[0189] Physical reception link control channel (PRxCCH): a physical layer control channel, generally, the standard protocol is described from the perspective of the terminal device, that is, the physical layer control channel received by the terminal device, which is similar to the PDCCH in LTE and 5G. PRxCCH can be a new physical layer control channel introduced in the next generation communication system (such as 6G). Of course, 6G can also use PDCCH to represent the physical downlink control channel or physical transmission link control channel of the terminal device.
[0190] Physical reception link shared channel (PRxSCH): a kind of physical layer data channel. Generally, the standard protocol is described from the perspective of the terminal device, that is, the physical layer data channel received by the terminal device, which is similar to the PDSCH in LTE and 5G. PRxSCH can be a new physical layer data channel introduced in 6G. Of course, future communications such as 6G may still use PDSCH to represent the physical downlink data channel or the physical reception link data channel of the terminal device.
[0191] Physical transmission link control channel (PTxCCH): a kind of physical layer control channel. Generally, the standard protocol is described from the perspective of the terminal device, that is, the physical layer control channel transmitted by the terminal device, which is similar to the PUCCH in LTE and 5G. PTxCCH can be a new physical layer control channel introduced in 6G. Of course, future communications such as 6G may still use PUCCH to represent the physical uplink control channel or the physical transmission link control channel of the terminal device.
[0192] Physical transmission link shared channel (PTxSCH): a kind of physical layer data channel. Generally, the standard protocol is described from the perspective of the terminal device, that is, the physical layer data channel transmitted by the terminal device, which is similar to the PUSCH in LTE and 5G. PTxSCH can be a new physical layer data channel introduced in 6G. Of course, future communications such as 6G may still use PUSCH to represent the physical uplink data channel or the physical reception link data channel of the terminal device.
[0193] Optionally, for downlink, it can be described as receiving from the perspective of the terminal device; for uplink, it can be described as transmitting from the perspective of the terminal device.
[0194] At present, in the communication process of different communication devices, the signal sender can send a measurement signal (for example, a reference signal), accordingly, the signal receiver can receive the measurement signal and measure the related information of the channel (for example, the interference information of the channel) based on the measurement signal, and subsequently, the resource management can be implemented based on the related information of the channel. However, in the above measurement process, how to improve the measurement performance is a technical problem to be solved.
[0195] In some implementation examples, the network device can configure NZP CSI-RS resource to measure the channel, and ZP CSI-RS to measure the interference, where the ZP CSI-RS resource can also be referred to as CSI-IM resource.
[0196] As shown in the example of FIG. 2g, it is a schematic diagram of CSI-IM resource of LTE system. In FIG. 2g, each box represents one RE, 2 symbols in time domain and 12 subcarriers represent 24 REs, and 4 ports of CSI-RS are transmitted by using the CSI-IM resource as an example, i.e., the LTE CSI-IM pattern in the figure. In time domain, the CSI-IM resource includes two symbols in time; in frequency domain, the CSI-IM resource includes two subcarriers in frequency; and the CSI-IM resource occupies 4 REs (i.e., the 4 REs corresponding to the black filled boxes) of 24 REs.
[0197] As shown in the example of FIG. 2h, it is a schematic diagram of CSI-IM resource of NR system. In FIG. 2h, 4 ports of CSI-RS are transmitted by using the CSI-IM resource as an example, including the following two patterns:
[0198] NR CSI-IM pattern 0: In time domain, the CSI-IM resource includes two symbols in time; in frequency domain, the CSI-IM resource includes two subcarriers in frequency; and 4 REs are occupied.
[0199] NR CSI-IM pattern 1: In time domain, the CSI-IM resource includes one symbol in time; in frequency domain, the CSI-IM resource includes 4 subcarriers in frequency; and 4 REs are occupied.
[0200] Generally, the CSI-IM resource only measures the interference power, and the interference power is considered when calculating the CQI. When calculating the interference power, the terminal device considers that the received power of 4 REs (for example, 4 REs in FIG. 2g or FIG. 2h) in the CSI-IM pattern is under the same channel interference, i.e., the received power is averaged.
[0201] In addition, the configuration of the CSI-RS can include continuous frequency domain resources, such as the network device indicating the starting RB and the number of RBs. In different RBs, the CSI-IM pattern in each RB is the same. In the above process, the terminal device will use the interference measurement averaging method to measure the interference on the different frequency domain resources configured by the CSI-IM resource, which can include different RBs or different REs (for example, 4 REs in FIG. 2h) in one RB.
[0202] However, in the CSI-IM resource, the channel conditions corresponding to different frequency domain resources can be different, which leads to inaccurate interference measurement corresponding to the above interference measurement average method, and further affects the communication performance.
[0203] To solve the above problems, the present application provides a communication method and related devices, which will be described in detail below in conjunction with the accompanying drawings.
[0204] Please refer to FIG. 3, which is an implementation schematic diagram of the communication method provided by the present application. The method includes the following steps.
[0205] It should be understood that in the following, the first communication device and the second communication device in FIG. 3 are taken as an example to illustrate the execution subject of the interaction, but the present application does not limit the execution subject of the interaction. For example, the first communication device and / or the second communication device can be a communication device, or a chip, a baseband chip, a modem chip, a SoC chip containing a modem core, a SIP chip, a communication module, a chip system, a processor, a logic module or software in the communication device, etc. Optionally, the communication device can be a terminal device or a network device (for example, the network device can be an access network device, an access network element, etc.).
[0206] As an example, the first communication device can be a terminal device and the second communication device can be a network device, or both the first communication device and the second communication device are network devices. For example, the network device can be an access network device, a communication device in an ORAN system (for example, at least one of a CU, a DU, and a RU).
[0207] As another example, both the first communication device and the second communication device are terminal devices, that is, the scheme shown in FIG. 3 can be applied to a sidelink communication scenario.
[0208] S301. The second communication device sends first information, and correspondingly, the first communication device receives the first information. The first information is used to configure first power information of an interference measurement resource.
[0209] S302. The first communication device performs measurement based on the interference measurement resource and the first power information.
[0210] It should be understood that the interference measurement resource can be a resource used for interference measurement. For example, the interference measurement resource can be a channel state information interference measurement (CSI-IM) resource, or the interference measurement resource can be another name specified by a standard / protocol, which is not limited here.
[0211] It should be understood that the first information is used to configure the first power information of the interference measurement resource, which can also be described as: the first information is used to indicate the first power information of the interference measurement resource, or the first information is used to determine the first power information of the interference measurement resource.
[0212] It should be understood that the first power information of the interference measurement resource can be used to indicate (or used to determine) the power of the signal carried by one or more resources contained in the interference measurement resource. For example, the first power information can be used to indicate (or used to determine) the power of the signal carried by each resource contained in the interference measurement resource.
[0213] Optionally, the first communication device can also receive configuration information for configuring the interference measurement resource. Wherein, the configuration information and the above-mentioned first information can be carried in the same message / signaling / information, for example, the configuration information can include the above-mentioned first information, or the above-mentioned first information can include the configuration information. Or, the configuration information and the above-mentioned first information can be carried in different messages / signaling / information.
[0214] It should be noted that the process of the first communication device measuring based on the interference measurement resource and the first power information can include: the first communication device measures based on the first power information on the interference measurement resource to obtain interference measurement result information; and / or, after the first communication device measures on the interference measurement resource to obtain the interference measurement result information, the first communication device processes (such as mathematical operation, update, or adjustment, etc.) the interference measurement result information based on the first power information.
[0215] Based on the scheme shown in FIG. 3, the first information received by the first communication device in step S301 is used to configure the first power information of the interference measurement resource, and thereafter, the first communication device can measure based on the interference measurement resource and the first power information in step S302. In this way, the first communication device can measure the interference measurement resource based on the power information configured by the first information, which can improve the accuracy of interference measurement and further improve the communication performance.
[0216] In a possible implementation of the method shown in FIG. 3, the first power information indicated by the first information in step S301 includes a power value and / or a power offset parameter, and the power offset parameter is relative to a reference power. Thus, the second communication device can configure the power of the interference measurement resource in multiple ways to improve the flexibility of the scheme implementation.
[0217] Optionally, the first power information is used to indicate a power parameter, wherein the power parameter can be a power value and / or a power offset parameter.
[0218] Optionally, the power offset parameter can also be referred to as power offset.
[0219] Optionally, as described before, the interference measurement resource can include one or more resources, accordingly, in the above scheme, the first power information can include the power value of 0 or 1 or more resources contained in the interference measurement resource, and / or, the first power information can include the power offset parameter of 0 or 1 or more resources contained in the interference measurement resource.
[0220] In a possible implementation of the method shown in FIG. 3, the interference measurement resource is used for interference measurement of the first radio access technology, and the interference measurement resource is used to carry a communication signal of the second radio access technology (or, the interference measurement resource corresponds to the communication signal of the second radio access technology). Specifically, the interference measurement resource can be used to carry a communication signal of the second radio access technology in addition to being used for interference measurement of the first radio access technology, so that the above scheme can be applied to a scenario of two or more radio access technology spectrum sharing (for example, multi-radio access technology spectrum sharing (MRSS)), and the accuracy of interference measurement in the scenario is improved, and the communication performance is improved.
[0221] For example, the first radio access technology can be a future network, including but not limited to 6G, 5.5G, the next generation network of 5G, etc. The second radio access technology can be NR / 5G / 5G NR, 4G, LTE, etc.
[0222] In a possible implementation, the method shown in FIG. 3 further includes that the first communication device receives second information, and the second information indicates or includes information related to the reference power. In other words, the first communication device can also receive the second information, and determine the reference power based on the second information, so that the first communication device can determine the power value of the signal carried by the interference measurement resource based on the reference power and the power offset parameter contained in the first power information.
[0223] Optionally, the above-mentioned reference power can be pre-configured to reduce transmission overhead.
[0224] Optionally, the reference power can be implemented in various ways, which will be described below in combination with some implementation examples.
[0225] For example, the reference power can be the power of a synchronization signal (SS), and the power offset parameter can be a power offset relative to the synchronization signal (poweroffsetSS). Optionally, the SS can include a synchronization signal / physical broadcast channel block (SS / PBCH block, or SSB for short), a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or other signals for synchronization specified in future standards / protocols.
[0226] For another example, the reference power can be the power of a physical downlink shared channel (PDSCH), and the power offset parameter can be a power offset relative to the PDSCH (poweroffsetPDSCH).
[0227] For another example, the reference power can be the power of a control resource set (CORESET), and the power offset parameter can be a power offset relative to the CORESET (poweroffsetCORESET).
[0228] For another example, the reference power can be the power of a certain frequency band, and the power offset parameter can be a power offset relative to the frequency band.
[0229] For another example, the reference power can be the power of a CSI-IM resource corresponding to a certain CSI-IM resource identifier, and the power offset parameter can be a power offset relative to the CSI-IM resource.
[0230] Optionally, the CSI-IM resource corresponds to a frequency band, and the power offset parameter can be a power offset parameter configured for the CSI-IM resource of the frequency band. For example, the frequency corresponding to the CSI-IM resource can be configured by CSI-IM resource configuration information, and the CSI-IM resource configuration information can configure at least one of a starting RB, a number of RBs, a transmission power, and a power offset parameter.
[0231] It should be noted that the resource type of the interference measurement resource corresponding to the first power information can be implemented in various ways, which will be described below in conjunction with some examples.
[0232] In an example one, the interference measurement resource is a zero-power interference measurement resource.
[0233] In the example one, the interference measurement resource on which the first communication device performs the measurement in step S302 can be a zero-power interference measurement resource, i.e., no other signal can be carried on the interference measurement resource, so that the interference measurement result information measured by the first communication device can reflect the interference situation caused by the interference signal on the interference measurement resource.
[0234] Optionally, taking the first communication device as a terminal device and the second communication device as a network device as an example, on the zero-power interference measurement resource, the network device (e.g., a serving cell or a serving base station) does not send a signal, i.e., zero power. The interference measurement resource can be used to measure the interference of the signal sent by other network devices (e.g., other cells or other base stations).
[0235] Optionally, taking the first communication device as a terminal device A and the second communication device as a terminal device B as an example, on the zero-power interference measurement resource, the terminal device B does not send a signal, i.e., zero power. The interference measurement resource can be used to measure the interference of the signal sent by a network device or other terminal devices.
[0236] In an example two, the interference measurement resource is a non-zero-power interference measurement resource, and the first power information is used to determine at least two power information corresponding to the interference measurement resource.
[0237] In the example two, the interference measurement resource on which the first communication device performs the measurement in step S302 can be a non-zero-power interference measurement resource, i.e., a non-zero-power signal can be carried on the interference measurement resource, so that the interference measurement result information measured by the first communication device can reflect the interference situation caused by the non-zero-power signal on the interference measurement resource.
[0238] In addition, in the case where the interference measurement resource is a non-zero-power interference measurement resource, the first communication device can determine at least two power information corresponding to the interference measurement resource based on the first power information. Compared with the average interference measurement on different resources, in the above scheme, the different resources contained in the interference measurement resource can be configured with respective power information (e.g., the interference measurement resource can correspond to at least two signals with different powers), so that the first communication device can perform the measurement based on the respective power information of each resource and obtain the interference measurement result, which can further improve the accuracy of the measurement.
[0239] Optionally, on the non-zero power interference measurement resource, the network device (e.g., a serving cell or a serving base station) determines, by configuration or pre-configuration, whether there is a non-zero power signal transmission on the resource, i.e., the power information corresponding to the non-zero power interference measurement resource indicates that the power value can be 0 or can not be 0. Wherein, the non-zero power signal can come from the network device, or from other network devices (e.g., other cells or other base stations), or from one or more terminal devices.
[0240] Optionally, the interference measurement resource includes a zero power interference measurement resource and a non-zero power interference measurement resource, i.e., the above-mentioned example one and example two can be jointly implemented.
[0241] For example, as known from the foregoing, the interference measurement resource can include one or more resources, in the case where the interference measurement resource includes a zero power interference measurement resource, the first power information can indicate the power of the zero power interference measurement resource. For example, the interference measurement resource can include a zero power channel state information reference signal (ZP CSI-RS) resource.
[0242] For another example, in the case where the interference measurement resource includes a non-zero power interference measurement resource, the first power information can indicate the power of the non-zero power interference measurement resource. For example, the interference measurement resource can include a non-zero power channel state information reference signal (NZP CSI-RS) resource.
[0243] It should be noted that the resources included in the above-mentioned interference measurement resource can be implemented in various ways, which will be described below in combination with some implementation examples.
[0244] Example A, the interference measurement resource includes N frequency domain resources, N is a positive integer; wherein the first power information is used to determine the power information corresponding to the N frequency domain resources.
[0245] In example A, the above-mentioned interference measurement resource can include N frequency domain resources, so that the first communication device can determine the power information corresponding to the N frequency domain resources based on the first power information, and perform measurement based on the power information corresponding to the N frequency domain resources, to improve the accuracy of the interference measurement of the N frequency domain resources.
[0246] Optionally, N is greater than 1, and the power information corresponding to different frequency domain resources in the N frequency domain resources can be the same or different. For example, the first communication device can determine N pieces of power information corresponding to the N frequency domain resources based on the first power information, and can measure the N frequency domain resources based on the N pieces of power information. Compared with the average interference measurement mode of different frequency domain resources, the first communication device can measure and obtain the interference measurement result based on the power information corresponding to each frequency domain resource, and can further improve the accuracy of measurement.
[0247] Optionally, one frequency domain resource can include one or more frequency domain units. The frequency domain unit can be a scheduling or configuration unit of the communication resource in the frequency domain.
[0248] Optionally, the frequency domain unit can indicate one or more resources in the frequency domain, including one or more subcarriers, one or more subcarrier groups, one or more resource blocks, one or more physical resource blocks, one or more resource block groups, one or more partial bandwidths, or other implementation manners specified by standards / protocols.
[0249] For example, one frequency domain unit can be one resource block. One resource block can include one or more subcarriers, such as 12 subcarriers.
[0250] Optionally, the first power information includes N pieces of power information, and the N pieces of power information correspond to N frequency domain resources of the interference measurement resource. For example, the N pieces of power information one-to-one correspond to the N frequency domain resources contained in the interference measurement resource. For another example, the i th power information in the N pieces of power information corresponds to the i th frequency domain resource in the N frequency domain resources contained in the interference measurement resource, and i takes a value from 1 to N.
[0251] Optionally, the interference measurement resource includes N frequency domain resources, and the first power information includes N pieces of power information corresponding to the N frequency domain resources, respectively. For example, the N frequency domain resources one-to-one correspond to the N pieces of power information. For another example, the i th frequency domain resource in the N frequency domain resources corresponds to the i th power information in the N pieces of power information, and i takes a value from 1 to N.
[0252] Optionally, the N frequency domain resources can be replaced by N frequency bands.
[0253] For example, the interference measurement resource includes at least two frequency bands, and the first power information can indicate the power information of the at least two frequency bands.
[0254] For example, the first power information can adopt at least one of the following modes:
[0255] In the mode A, the resource configuration information of the interference measurement resource can configure a starting frequency domain unit of the interference measurement resource, a number of frequency domain units of the frequency band 1, and a number of frequency domain units of the frequency band 2; and the first power information can configure a power value of the frequency band 1 and a power value of the frequency band 2. The power value can refer to a signal transmission power.
[0256] In the mode B, the resource configuration information of the interference measurement resource can configure a starting frequency domain unit of the interference measurement resource, a number of frequency domain units of the frequency band 1, and a number of frequency domain units of the frequency band 2; and the first power information can configure a power offset parameter of the frequency band 1 and a power offset parameter of the frequency band 2.
[0257] In the mode C, the resource configuration information of the interference measurement resource can configure a starting frequency domain unit of the interference measurement resource, a number of frequency domain units of the frequency band 1, and a number of frequency domain units of the frequency band 2; and the first power information can configure a power offset parameter of the frequency band 2 relative to the frequency band 1, or the first power information can configure a power offset parameter of the frequency band 1 relative to the frequency band 2.
[0258] Optionally, the first information is used to configure N1 pieces of power information corresponding to one interference measurement resource, and N1 is an integer greater than or equal to 1. For example, the N1 pieces of power information correspond to N1 frequency domain resources of the interference measurement resource.
[0259] For example, the interference measurement resource includes 2 frequency domain resources.
[0260] For example, the first information includes 2 pieces of power information. The first piece of power information corresponds to a first frequency domain resource of the interference measurement resource, and the second piece of power information corresponds to a second frequency domain resource of the interference measurement resource.
[0261] For example, the interference measurement resource includes 3 frequency domain resources, a reference power is a power of a first frequency domain resource, and the first information includes 2 pieces of power information. The first piece of power information is a power offset parameter of a second frequency domain resource of the interference measurement resource relative to the reference power, and the second piece of power information is a power offset parameter of a third frequency domain resource of the interference measurement resource relative to the reference power.
[0262] For example, the interference measurement resource includes 2 frequency domain resources, a reference power is a power of a first frequency domain resource, and the first information includes 1 piece of power information. The power information is a power offset parameter of a second frequency domain resource of the interference measurement resource relative to the reference power.
[0263] In a possible implementation of the example A, one frequency domain unit of an i-th frequency domain resource of the N frequency domain resources includes M resource units, i is 1 to N, and M is an integer greater than or equal to 1; and the first power information is used to determine power information corresponding to the M resource units.
[0264] Exemplarily, one frequency domain unit contained in any frequency domain resource (i.e., the i-th frequency domain resource) of the N frequency domain resources can exist a plurality of resource units (i.e., M resource units), and the first communication device determines power information corresponding to the plurality of resource units based on the first power information, and implements more fine-grained measurement based on the power information corresponding to each resource unit, which can further improve the accuracy of measurement.
[0265] Optionally, the resource unit can be the smallest unit of the time-frequency resource. Exemplarily, one resource unit can be a symbol in the time domain and a subcarrier in the frequency domain. For example, the resource unit can be a resource element (RE), and the resource element can be in one or more resource grids (RGs). Alternatively, the resource unit can also be other implementation manners specified by standards / protocols. Hereinafter, the resource unit is taken as an example of RE.
[0266] Exemplarily, one frequency domain unit can be one resource block. One resource block can include one or more subcarriers, such as 12 subcarriers.
[0267] Exemplarily, one resource block of the i-th frequency domain resource of the N frequency domain resources includes M resource units, i is 1 to N, and M is an integer greater than or equal to 1; wherein the first power information is used to determine power information corresponding to the M resource units.
[0268] In a possible implementation of example A, the first power information satisfies at least one of the following modes one to four.
[0269] Mode one, the first power information includes first indication information and / or second indication information, the first indication information is used to indicate the resource pattern of the M REs, and the second indication information is used to indicate the power information corresponding to the resource pattern of the M REs.
[0270] It should be understood that in mode one, the first indication information or the second indication information can be preconfigured, or protocol predefined, that is, the first power information can include one of the first indication information and the second indication information. Hereinafter, the first power information includes the first indication information and the second indication information as an example.
[0271] In addition, the one or more resource patterns corresponding to the interference measurement resource can be preconfigured or protocol predefined, and correspondingly, the first indication information can indicate that the resource pattern of the M REs is in the identification or index of the one or more resource patterns.
[0272] Exemplarily, the resource pattern can be a resource pattern in one frequency domain unit in the frequency domain. For example, one frequency domain unit is one resource block. For example, a resource block including 12 subcarriers is taken as an example for illustration in this paper.
[0273] Optionally, the resource pattern of the interference measurement resource can comprise at least one of the following:
[0274] As shown in FIG. 4a, the resource pattern of the interference measurement resource comprises the resource units of symbol b and symbol c in FIG. 4a. Optionally, the positions of symbol b and symbol c can be non-adjacent, and can be any symbol position, which is not limited in the present application, and the illustration is only an example.
[0275] Resource pattern a1: the REs of symbol b correspond to the first channel, and the REs of symbol c correspond to the second channel;
[0276] Resource pattern a2: the REs of symbol b correspond to the first channel, and the REs of symbol c correspond to the third channel;
[0277] Resource pattern a3: the REs of symbol b correspond to the second channel, and the REs of symbol c correspond to the first channel;
[0278] Resource pattern a4: the REs of symbol b correspond to the second channel, and the REs of symbol c correspond to the third channel;
[0279] Resource pattern a5: the REs of symbol b correspond to the third channel, and the REs of symbol c correspond to the first channel;
[0280] Resource pattern a6: the REs of symbol b correspond to the third channel, and the REs of symbol c correspond to the second channel;
[0281] Resource pattern a7: the REs of symbol b and the REs of symbol c correspond to the first channel;
[0282] Resource pattern a8: the REs of symbol b and the REs of symbol c correspond to the second channel;
[0283] Resource pattern a9: the REs of symbol b and the REs of symbol c correspond to the third channel.
[0284] Optionally, one or more REs corresponding to a certain channel (for example, the REs of symbol b correspond to the first channel, the REs of symbol c correspond to the second channel, etc.) can be understood as the one or more REs being the resource of the channel, or the one or more REs being used to carry the channel, or the one or more REs being used to measure the interference of the channel, or the one or more REs being used to measure the channel state information of the channel, etc.
[0285] As shown in FIG. 4b, the resource pattern of the interference measurement resource comprises the resource units of RE1, RE2, RE3 and RE4. Optionally, the positions of RE1, RE2, RE3 and RE4 can be non-adjacent, and can be any RE position, which is not limited in the present application, and the illustration is only an example.
[0286] Resource pattern b1: RE1 and RE2 correspond to the first channel, and RE3 and RE4 correspond to the second channel;
[0287] Resource pattern b2: RE1 and RE2 correspond to the first channel, and RE3 and RE4 correspond to the third channel;
[0288] Resource pattern b3: RE1 and RE2 correspond to the second channel, and RE3 and RE4 correspond to the first channel;
[0289] Resource pattern b4: RE1 and RE2 correspond to the second channel, and RE3 and RE4 correspond to the third channel;
[0290] Resource pattern b5: RE1 and RE2 correspond to the third channel, and RE3 and RE4 correspond to the first channel;
[0291] Resource pattern b6: RE1 and RE2 correspond to the third channel, and RE3 and RE4 correspond to the second channel;
[0292] Resource pattern b7: RE1, RE2, RE3 and RE4 correspond to the first channel;
[0293] Resource pattern b8: RE1, RE2, RE3 and RE4 correspond to the second channel;
[0294] Resource pattern b9: RE1, RE2, RE3 and RE4 correspond to the third channel.
[0295] Wherein, a1 to a9, b1 to b9 are the identification or index of the resource pattern. For example, a1 to a9, b1 to b9 can be an integer greater than or equal to 0.
[0296] Wherein, the first channel, the second channel, or the third channel can include at least one of the following: a synchronization channel, a common channel, a broadcast channel, a control channel, or a data channel.
[0297] Optionally, the first indication information can include the identification or index of the resource pattern. The first communication device can determine the resource pattern according to the first indication information.
[0298] Optionally, at least one of the power information of the first channel, the power information of the second channel, or the power information of the third channel can be protocol predefined. In this way, the first communication device can determine the power information corresponding to the M resource units according to the first indication information.
[0299] Optionally, the second communication device indicates at least one of the power information of the first channel, the power information of the second channel, or the power information of the third channel to the first communication device.
[0300] Optionally, the second indication information can comprise at least one of the power information of the first channel, the power information of the second channel, or the power information of the third channel. The first communication device can determine at least one of the power information of the first channel, the power information of the second channel, or the power information of the third channel according to the second indication information. In this way, the first communication device can determine the power information corresponding to the M resource units according to the first indication information and the second indication information.
[0301] Optionally, the resource pattern of the M REs can be any one of the protocol predefined resource patterns, such as any one of the resource patterns a1 to a9, b1 to b9. The second indication information indicates the power information corresponding to the resource pattern of the M REs. In this way, the first communication device can determine the power information corresponding to the M resource units according to the second indication information.
[0302] Optionally, the reference power can be the power of the first channel, or the power of the second channel, or the power of the third channel.
[0303] Optionally, the second indication information can indicate at least one of the following: the power offset parameter of the first channel relative to the reference power, the power offset parameter of the second channel relative to the reference power, or the power offset parameter of the third channel relative to the reference power.
[0304] As shown in the example of FIG. 4c, different resource patterns correspond to different cases, and the identification or index of the resource pattern is taken as an example to illustrate the case identification (case ID). In FIG. 4c, the resource pattern comprises at least one of the following case IDs A to G.
[0305] Case A: the REs of the first symbol of the interference measurement resource correspond to the SSB of the second radio access technology, and the REs of the second symbol correspond to the PDSCH of the second radio access technology. Conversely, the REs of the second symbol of the interference measurement resource correspond to the SSB of the second radio access technology, and the REs of the first symbol correspond to the PDSCH of the second radio access technology. The latter way can be the same case as the former way or a different case.
[0306] Case B: the REs of the first symbol of the interference measurement resource correspond to the CORESET of the second radio access technology, and the REs of the second symbol correspond to the PDSCH of the second radio access technology. Conversely, the REs of the second symbol of the interference measurement resource correspond to the CORESET of the second radio access technology, and the REs of the first symbol correspond to the PDSCH of the second radio access technology. The latter way can be the same case as the former way or a different case.
[0307] Case C: the REs of the first symbol of the interference measurement resource correspond to the CORESET of the second radio access technology, and the REs of the second symbol correspond to the SSB of the second radio access technology. The opposite is also possible, i.e., the REs of the second symbol of the interference measurement resource correspond to the CORESET of the second radio access technology, and the REs of the first symbol correspond to the SSB of the second radio access technology. The latter way can be the same case as the former way or can be a different case.
[0308] Case D: the REs of the first symbol of the interference measurement resource correspond to the PDSCH of the second radio access technology, and the REs of the second symbol correspond to the SSB of the second radio access technology. The opposite is also possible, i.e., the REs of the second symbol of the interference measurement resource correspond to the PDSCH of the second radio access technology, and the REs of the first symbol correspond to the SSB of the second radio access technology. The latter way can be the same case as the former way or can be a different case.
[0309] Case E: the REs of the interference measurement resource correspond to the SSB of the second radio access technology.
[0310] Case F: the REs of the interference measurement resource correspond to the CORESET of the second radio access technology.
[0311] Case G: the REs of the interference measurement resource correspond to the PDSCH of the second radio access technology.
[0312] In the first way, the first communication device can obtain the first power information through the first information received by step S301. The first power information can include first indication information and second indication information. The first indication information can indicate that the resource pattern of the interference measurement resource corresponds to a case ID (e.g., the case ID is at least one of the case IDs A to G described above), and the second indication information can indicate the power information corresponding to the case ID.
[0313] For example, the second communication device can configure the first communication device with one or more of the power information of the SSB of the second radio access technology, the power information of the CORESET of the second radio access technology, the power information of the PDSCH of the second radio access technology, and the like. Thereafter, the first communication device can determine the power information of each RE included in the interference measurement resource according to the case corresponding to the case ID included in the first power information. As described above, the power information can include a power value and / or a power offset parameter.
[0314] For example, the second indication information contained in the first power information can indicate that the power value of the SSB of the second radio access technology is p11, the power value of the CORESET of the second radio access technology is p12, and the power value of the PDSCH of the second radio access technology is p13.
[0315] For another example, the second indication information contained in the first power information can indicate that the power offset parameter of the SSB of the second radio access technology relative to the PDSCH of the second radio access technology is delta1, the power offset parameter of the CORESET of the second radio access technology relative to the PDSCH of the second radio access technology is delta2, and the like.
[0316] In the first mode, the first communication device can perform measurement based on the interference measurement resource and the first power information in step S302, and different measurement processes can be used for different cases. Hereinafter, the case that the second indication information contained in the first power information indicates that the power offset parameter of the SSB of the second radio access technology relative to the PDSCH of the second radio access technology is delta1, and the power offset parameter of the CORESET of the second radio access technology relative to the PDSCH of the second radio access technology is delta2 is taken as an example.
[0317] It should be noted that the power offset parameter can be represented by delta, offset, or other manners, and hereinafter, delta is taken as an example.
[0318] Case A: for 2 SSB REs, 2 PDSCH REs, the total power P of the REs of this resource pattern satisfies: P = 2 * p SSB + 2 * p PDSCH = 2 * p PDSCH * delta1 + 2 * p PDSCH = (2 + 2 * delta1) * p PDSCH .
[0319] Wherein, p SSB represents the transmission power of the SSB of the second radio access technology, and p PDSCH represents the transmission power of the PDSCH of the second radio access technology.
[0320] Case B: for 2 CORESET REs, 2 PDSCH REs, the total power P of the REs of this resource pattern satisfies: P = 2 * p coreset + 2 * p PDSCH = 2 * p PDSCH * delta2 + 2 * p PDSCH = (2 + 2 * delta2) * p PDSCH .
[0321] where p CORESET denotes the transmission power of the CORESET of the second radio access technology, p PDSCH denotes the transmission power of the PDSCH of the second radio access technology.
[0322] Case C: for 2 REs of CORESET, 2 REs of SSB (PSS), the total power P of such resource pattern of REs satisfies: P = 2 * p coreset + 2 * p SSB = 2 * p PDSCH * delta2 + 2 * p PDSCH * delta1 = (2 * delta2 + 2 * delta1) * p PDSCH .
[0323] where p CORESET denotes the transmission power of the CORESET of the second radio access technology, p SSB denotes the transmission power of the SSB of the second radio access technology, p PDSCH denotes the transmission power of the PDSCH of the second radio access technology.
[0324] Case D: for 2 REs of PDSCH, 2 REs of SSB (PSS), the total power P of such resource pattern of REs satisfies: P = 2 * p SSB + 2 * p PDSCH = 2 * p PDSCH * delta1 + 2 * p PDSCH = (2 + 2 * delta1) * p PDSCH .
[0325] where p SSB denotes the transmission power of the SSB of the second radio access technology, p PDSCH denotes the transmission power of the PDSCH of the second radio access technology.
[0326] Case E: for 4 REs of SSB (PBCH), the total power P of such resource pattern of REs satisfies: P = 4 * p SSB = 4 * p PDSCH * delta1 = (4 * delta1) * p PDSCH .
[0327] where p SSB denotes the transmission power of the SSB of the second radio access technology, p PDSCH denotes the transmission power of the PDSCH of the second radio access technology.
[0328] Case F: The total power P of the REs of this resource pattern satisfies: P = 4 * p coreset . PDSCH * delta2 = (4 * delta2) * p PDSCH .
[0329] wherein p coreset represents the transmission power of the CORESET of the second radio access technology, and p PDSCH represents the transmission power of the PDSCH of the second radio access technology.
[0330] Case G: The total power P of the REs of this resource pattern satisfies: P = 4 * p PDSCH .
[0331] wherein p PDSCH represents the transmission power of the PDSCH of the second radio access technology.
[0332] Optionally, the first power information includes power information of one or more time units corresponding to the M REs.
[0333] Optionally, the time unit can be a frame, a subframe, a slot, a sub-slot, a symbol, a symbol group, etc.
[0334] For example, taking the symbol as the time unit, in the method two, the first power information can be the power information corresponding to the symbol. For example, the interference measurement resource can include REs of S (S is a positive integer) symbols. In the first power information included in the first information, the first power information can indicate the power information corresponding to the S symbols.
[0335] Optionally, the S symbols can correspond to one or more power information. For example, the power offset parameter of the first symbol (such as symbol 1) is delta 21 , the power offset parameter of the second symbol (such as symbol 2) is delta 22 , and so on.
[0336] Suppose the average received power of the interference measurement resource of symbol 1 is p 21 , and the average received power of the interference measurement resource of symbol 2 is p 22 , then the interference power of the interference measurement resource can include at least one of the following:
[0337] A) The total interference power is p 21 * delta 21 + p 22 * delta 22 ;
[0338] B) the interference power of symbol 1 is p 21 *delta 22 ;
[0339] C) the interference power of symbol 2 is p 22 *delta 22 ;
[0340] D) the average interference power is (p 21 *delta 21 +p 22 *delta 22 ) / 2.
[0341] For example, in the method two, the first power information can be the power information corresponding to the symbol groups, taking the symbol groups as the time unit. For example, the interference measurement resource can include REs of S1 (S1 is a positive integer) symbol groups. In the first power information contained in the first information, the first power information can indicate the power information corresponding to the S1 symbol groups.
[0342] Optionally, the S1 symbol groups can correspond to one or more power information. For example, the power offset parameter of the first symbol group (such as symbol group 1) is delta 23 , the power offset parameter of the second symbol group (such as symbol group 2) is delta 24 , and so on.
[0343] Suppose the average received power of the interference measurement resource of symbol group 1 is p 23 , and the average received power of the interference measurement resource of symbol group 2 is p 24 , the interference power of the interference measurement resource can include at least one of the following:
[0344] A) the total interference power is p 23 *delta 23 +p 24 *delta 24 ;
[0345] B) the interference power of symbol group 1 is p 23 *delta 23 ;
[0346] C) the interference power of symbol group 2 is p 24 *delta 24 ;
[0347] D) the average interference power is (p 23 *delta 23 +p 24 *delta 24 ) / 2.
[0348] Exemplarily, the first power information comprises S (S is a positive integer) pieces of power information corresponding to S pieces of time units corresponding to the M resource units. Wherein, the M resource units correspond to the S pieces of time units, which can be understood as that the time units occupied by the M resource units are the S pieces of time units, that is, at least one resource unit in the M resource units is contained in each of the S pieces of time units. Optionally, the number of resource units in the M resource units contained in any two different time units of the S pieces of time units can be the same or different, which is not limited here.
[0349] Wherein, different resource units in the same time unit can correspond to the same power information, and / or the power information of different resource units in the same time unit is the same.
[0350] Optionally, the reference power can be the power of the i1th symbol, wherein i1 takes a value from 1 to S. Wherein, the value of i1 can be pre-defined by a protocol or indicated by the second communication device through signaling. For example, i1 takes a value of 1.
[0351] Exemplarily, the first power information can comprise at least one of the following: a power offset parameter of the j1th symbol relative to the reference power, wherein j1 takes a value from 1 to S.
[0352] Method three, the first power information comprises power information corresponding to the M REs.
[0353] Exemplarily, in the method three, the second communication device configures an interference measurement resource for the first communication device, and the interference measurement resource comprises M (M is a positive integer) REs. In the first power information contained in the first information, the first power information can indicate power information corresponding to the M REs, wherein the M REs can correspond to one or more pieces of power information.
[0354] Optionally, the reference power can be the power of the i2th RE, wherein i2 takes a value from 1 to M. Wherein, the value of i2 can be pre-defined by a protocol or indicated by the second communication device through signaling. For example, i2 takes a value of 1.
[0355] Exemplarily, the first power information can comprise at least one of the following: a power offset parameter of the j2th RE relative to the reference power, wherein j2 takes a value from 1 to M.
[0356] Method four, the first power information comprises power information of one or more groups of REs corresponding to the M REs.
[0357] Exemplarily, in the fourth method, the interference measurement resource includes Y (Y is a positive integer) groups of REs, and one group of REs corresponds to one power information. In other words, the first power information can include Y power information corresponding to the Y groups of REs, and different REs in the same group can correspond to the same power information, i.e., the power values corresponding to different REs in the same group can be the same.
[0358] Exemplarily, one group of REs can include one or more REs.
[0359] For example, the power offset parameter of the first group of REs is delta 31 , the power offset parameter of the second group of REs is delta 32 , and so on. Assuming that the average received power of the first group of REs is p 31 , and the average received power of the second group of REs is p 32 , the interference power of the interference measurement resource can include at least one of the following:
[0360] A) The total interference power is p 31 *delta 31 +p 32 *delta 32 ;
[0361] B) The interference power of the first group of REs is p 31 *delta 31 ;
[0362] C) The interference power of the second group of REs is p 32 *delta 32 ;
[0363] D) The average interference power is (p 31 *delta 31 +p 32 *delta 32 ) / 2.
[0364] Exemplarily, the first power information includes Y power information corresponding to Y groups of REs corresponding to the M resource units.
[0365] Wherein, the power information of different resource units in the same group of REs is the same.
[0366] Optionally, the reference power can be the power of the i3th group of REs, where i3 takes a value of 1 to Y. The value of i3 can be pre-defined by a protocol or indicated by the second communication device through signaling. For example, i3 takes a value of 1.
[0367] Exemplarily, the first power information can include at least one of the following: a power offset parameter of the j3th group of REs relative to the reference power, where j3 takes a value of 1 to Y.
[0368] For example, the following describes Example A in combination with some possible implementation manners, taking the interference measurement resource as a CSI-IM resource. In the following implementation manners, the CSI-IM resource includes at least two frequency bands, and the first power information can configure the power parameters of the at least two frequency bands.
[0369] Method one: the resource configuration information of the CSI-IM resource can configure the starting RB of the CSI-IM resource, the number of RBs of the first frequency band, and the number of RBs of the second frequency band; and the first power information can configure the power value of the first frequency band and the power value of the second frequency band. The power value can refer to the signal transmission power.
[0370] Method two: the resource configuration information of the CSI-IM resource can configure the starting RB of the CSI-IM resource, the number of RBs of the first frequency band, and the number of RBs of the second frequency band; and the first power information can configure the power offset parameter of the first frequency band and the power offset parameter of the second frequency band.
[0371] For example, in method two, the power offset parameter can be configured with reference to the power of PDSCH.
[0372] For another example, in method two, the power offset parameter can be configured with reference to the power of SSB (such as SSS, or PBCH, etc.).
[0373] For another example, in method two, the reference power corresponding to the power offset parameter can be informed to the terminal device by the network device through a message / signaling.
[0374] Optionally, the power value can take an integer value of -60-50 dBm. dBm is a logarithmic unit representing the absolute value of power, where "m" represents milliwatt (mW), and 0 dBm is equal to 1 milliwatt of power. Alternatively, when the power value is not configured, the default value can be 0 dB.
[0375] Optionally, the power offset parameter can be -3 dB, 0 dB, 3 dB, 6 dB, 8 dB, -8 dB, etc., such as an integer value of -8-15. Alternatively, when the power offset parameter is not configured, the default value can be 0 dB.
[0376] Example B: the interference measurement resource includes P REs in a frequency domain unit, P being a positive integer; and the first power information is used to determine the power information corresponding to the P REs.
[0377] In Example B, the above interference measurement resource can include P REs, so that the first communication device can determine the power information corresponding to the P REs based on the first power information, and perform measurement based on the power information corresponding to the P REs, to improve the accuracy of the interference measurement of the P REs.
[0378] Optionally, P is greater than 1, and the power information corresponding to different REs in the P RE can be the same or different. For example, the first communication device can determine P pieces of power information corresponding to the P RE based on the first power information, and can measure the P RE based on the P pieces of power information; compared with the average interference measurement manner of different REs, the first communication device can measure and obtain the interference measurement result based on the power information corresponding to each RE, and can further improve the accuracy of measurement.
[0379] In a possible implementation of the example B, the first power information satisfies at least one of the following mode five to mode eight.
[0380] Mode five, the first power information includes third indication information and / or fourth indication information, the third indication information is used to indicate the resource pattern of the P RE, and the fourth indication information is used to indicate the power information corresponding to the resource pattern of the P RE.
[0381] It should be understood that mode five can refer to the implementation process shown in mode one and achieve the corresponding technical effects, which will not be repeated here.
[0382] Mode six, the first power information includes the power information of one or more time units corresponding to the P RE.
[0383] It should be understood that mode six can refer to the implementation process shown in mode two and achieve the corresponding technical effects, which will not be repeated here.
[0384] Mode seven, the first power information includes the power information corresponding to the P RE.
[0385] It should be understood that mode seven can refer to the implementation process shown in mode three and achieve the corresponding technical effects, which will not be repeated here.
[0386] Mode eight, the first power information includes the power information of one or more groups of REs corresponding to the P RE.
[0387] It should be understood that mode eight can refer to the implementation process shown in mode four and achieve the corresponding technical effects, which will not be repeated here.
[0388] For example, the following is an example of interference measurement resource as CSI-IM resource, and some possible implementation modes are combined to illustrate example B. In the following implementation mode, the CSI-IM resource includes P (P is greater than 1) REs, and the first power information can configure the power parameters of the P RE.
[0389] For example, one CSI-IM resource includes P RE, and the P RE corresponds to one or more power parameters.
[0390] For another example, a CSI-IM resource includes REs on multiple symbols, i.e., P RE are located on multiple symbols. The multiple symbols correspond to one or more power parameters. For example, a CSI-IM resource includes P RE on two symbols, i.e., symbol 1 and symbol 2. The REs on symbol 1 correspond to one or more power parameters, and the REs on symbol 2 correspond to one or more power parameters.
[0391] In a possible implementation, the method shown in FIG. 3 further includes that the first communication device sends third information, which is used to indicate interference measurement result information determined based on the interference measurement resource and the first power information. In other words, after the first communication device determines the interference measurement result information based on the interference measurement resource and the first power information, the first communication device can further send third information indicating the interference measurement result information, so that a receiver of the third information (e.g., the second communication device) can determine the interference measurement result corresponding to the interference measurement resource, so as to facilitate the receiver to perform resource management based on the interference measurement result.
[0392] Optionally, the above-mentioned resource management can include one or more of radio resource management (RRM), data transmission, etc. For example, the RRM includes one or more of cell selection and reselection, power control, access control, handover management, load control, frequency allocation (e.g., carrier aggregation (CA) related configuration, including but not limited to activating and deactivating carrier aggregation, configuring an aggregated carrier set, allocating resource blocks, etc.), channel allocation, and interference management.
[0393] For example, the data transmission can include one or more of determining a resource for data transmission, precoding, antenna port, number of layers, modulation and coding scheme, code rate, and multi-user multiplexing strategy.
[0394] For example, the receiver of the third information can learn the interference of the second radio access technology on each channel (there can be a power offset between the interference of each channel) through the third information.
[0395] For example, when the interference measurement resource includes N frequency bands, the first communication device can respectively feed back channel state information for the N frequency bands. For another example, when the interference measurement resource includes multiple symbols, the first communication device can respectively feed back channel state information for each symbol. For another example, when the interference measurement resource includes multiple symbol groups, the first communication device can respectively feed back channel state information for each symbol group. For another example, when the interference measurement resource includes multiple REs, the first communication device can respectively feed back channel state information for each RE. For another example, when the interference measurement resource includes multiple RE groups, the first communication device can respectively feed back channel state information for each RE group.
[0396] For example, when the interference measurement resource comprises N frequency bands, the first communication device can feed back channel state information for at least one frequency band. For another example, when the interference measurement resource comprises a plurality of symbols, the first communication device can feed back channel state information for at least one symbol. For another example, when the interference measurement resource comprises a plurality of symbol groups, the first communication device can feed back channel state information for at least one symbol group. For another example, when the interference measurement resource comprises a plurality of REs, the first communication device can feed back channel state information for at least one RE. For another example, when the interference measurement resource comprises a plurality of RE groups, the first communication device can feed back channel state information for at least one RE group.
[0397] Optionally, the first communication device can not send the third information. For example, when the first communication device determines that the interference measurement result information indicates that the interference is lower than or equal to a threshold, the first communication device can explicitly indicate to the second communication device that the interference is low in a silent manner, so as to reduce the transmission overhead.
[0398] As an example, the interference measurement result information comprises signal quality information of a signal carried by the interference measurement resource, and / or channel state information (CSI).
[0399] Optionally, the signal quality information can comprise one or more of reference signal received power (RSRP), interference measurement reference signal received power (IM-RSRP), signal to interference plus noise ratio (SINR), and signal to noise ratio (SNR).
[0400] Optionally, the CSI can comprise one or more of channel quality information (CQI), RSRP, reference signal received signal quality (RSRQ), received signal strength indication (RSSI), precoding matrix indication (PMI), rank indication (RI), and layer indication (LI).
[0401] For example, the interference measurement result information can comprise power-related information, such as RSRP, IM-RSRP, etc. Taking IM-RSRP as an example, the power corresponding to the IM-RSRP can comprise at least one of total interference power of the interference measurement resource, average interference power of the interference measurement resource, interference power corresponding to a certain frequency band, interference power corresponding to a certain symbol, interference power corresponding to a certain RE group, or interference power corresponding to a certain RE.
[0402] Optionally, the type of the power corresponding to the interference measurement result information reported by the first communication device can be predefined by a protocol, or can be informed to the first communication device by the second communication device through high-layer signaling or physical layer signaling, which is not limited in the present application.
[0403] The type of power corresponding to the interference measurement result information can include at least one of the following: total interference power of the interference measurement resource, average interference power of the interference measurement resource, interference power corresponding to a certain frequency band, interference power corresponding to a certain symbol, interference power corresponding to a certain RE group, or interference power corresponding to a certain RE.
[0404] Optionally, the type of power corresponding to the interference measurement result information can be understood as a calculation method or a reporting method of the power corresponding to the interference measurement result information.
[0405] Optionally, the interference measurement result information includes at least one of the following: an index of a signal carried by the interference measurement resource, an index of the interference measurement resource, an index of a reference signal corresponding to the interference measurement result information, or a resource index corresponding to the interference measurement result information. Thus, the interference measurement result information can include at least one of the above indexes, so that the receiver of the third information can determine the measurement object (i.e. resource and / or signal) corresponding to the interference measurement result information based on the at least one index, to obtain the interference situation corresponding to the measurement object.
[0406] In the above process, the CQI can be selected by the receiver based on the measured signal-to-noise ratio (SNR) or signal-to-interference-and-noise ratio (SINR). For example, the value of the CQI can be selected from a predefined table that maps SINR / SNR values to CQI indices. This mapping is based on the assumption that a higher SINR / SNR value indicates better channel conditions, allowing a higher data rate to be used. The CQI can be selected based on the current channel conditions and a target block error rate (BLER) using a predefined mapping table.
[0407] Optionally, SINR is a key indicator of signal quality, especially in wireless communication systems. For example, SINR satisfies:
[0408] where P s is the power of the received signal, P i is the power of the interference signal, and P n is the noise power of the receiver.
[0409] As an example, the interference measurement result information can include RSRP, where the RSRP of the interference measurement resource can be referred to as the RSRP of the interference measurement (IM-RSRP). Optionally, the IM-RSRP reporting can be periodic reporting, semi-persistent reporting, or aperiodic reporting.
[0410] For example, the second communication device can configure a CSI-IM resource for the first communication device, and the CSI-IM resource can be used to report an IM-RSRP. The second communication device can configure a reporting parameter in the reporting configuration of the CSI-IM resource, and the reporting parameter can include the IM-RSRP.
[0411] For example, the second communication device can configure a CSI-RS resource for the first communication device, and the CSI-RS resource can be used to report an IM-RSRP. The second communication device can configure a reporting parameter in the reporting configuration of the CSI-RS resource, and the reporting parameter can include the IM-RSRP.
[0412] As another example, the interference measurement result information can include a CQI or a SINR.
[0413] The CQI can be used to reflect the interference situation. For example, the SINR calculation formula includes the interference information.
[0414] Optionally, the CSI-IM resource can be included in the configuration of the related measurement resource for the CQI reporting.
[0415] Optionally, the CQI included in the interference measurement result information can be the quantized value of the SINR.
[0416] In a possible implementation, before the first communication device sends the third information, the second communication device can indicate to the first communication device whether to report the interference measurement result. For example, the second communication device can indicate in the reporting configuration whether to report the interference measurement result.
[0417] As an example, taking the CSI-IM resource as the interference measurement resource, the second communication device can configure one or more CSI-IM resources for the first communication device. Correspondingly, when the first communication device reports the channel state information through the third information, the first communication device can report the identification (for example, the CSI-IM resource ID) of the CSI-IM resource and the corresponding IM-RSRP.
[0418] Optionally, the second communication device can configure the number of reported interference measurement results (for example, the IM-RSRP) for the first communication device, and / or indicate the threshold of the reported interference measurement result.
[0419] For example, the first communication device can report the CSI-IM resource ID and the corresponding interference measurement result (for example, the IM-RSRP) with a smaller value in priority according to the number of reported interference measurement results (for example, the IM-RSRP). Compared with reporting the interference measurement result (for example, the IM-RSRP) for each CSI-IM resource, this method can reduce the reporting overhead.
[0420] For example, the first communication device can determine the interference measurement result (e.g., IM-RSRP) corresponding to the interference measurement resource (e.g., CSI-IM resource) whose reported value is greater than the threshold.
[0421] For example, the first communication device reports a bitmap corresponding to the CSI-IM resource ID, where 1 represents a value greater than the threshold, and 0 represents a value less than the threshold. The first communication device can further report the IM-RSRP for the CSI-IM resource whose value is greater than the threshold. Compared with reporting the IM-RSRP for each CSI-IM resource, this method can reduce the reporting overhead.
[0422] Optionally, when the first communication device reports the interference measurement result (e.g., IM-RSRP), the first communication device can consider the quantization of the interference measurement result (e.g., IM-RSRP). For example, the number of quantization bits is Z bits, where Z is a positive integer. For example, Z is 4 or 7.
[0423] For example, when Z is 7, the reporting range of the interference measurement result (e.g., IM-RSRP) can be 0-127, a total of 128 values, where a reporting value of 0 is equal to SINR <-23 dB, a reporting value of 127 represents SINR > 40 dB, and the measurement reporting accuracy is 0.5 dB.
[0424] Optionally, the first communication device can report the differential interference measurement result (e.g., IM-RSRP) based on the difference of the threshold. The first communication device reports the offset relative to the threshold.
[0425] Optionally, the first communication device can perform differential reporting between resources for multiple interference measurement resources (e.g., CSI-IM resources).
[0426] For example, the first communication device reports the first interference measurement result (e.g., first IM-RSRP) of the first interference measurement resource (e.g., first CSI-IM resource), and the interference measurement result (e.g., IM-RSRP) of the second interference measurement resource (e.g., second CSI-IM resource) is reported differentially, i.e., the reported value (second IM-RSRP) of the interference measurement result (e.g., IM-RSRP) of the second interference measurement resource (e.g., second CSI-IM resource) is the power offset relative to the first interference measurement result (e.g., first IM-RSRP).
[0427] As shown in the example of FIG. 4d, a schematic diagram of one implementation of the signal of the second radio access technology, and accordingly, the interference measurement resource (denoted as CSI-IM resource) corresponding to the first radio access technology can be used to measure the interference of the signal of the second radio access technology. It should be understood that the CSI-IM resource can include any one of the three frequency bands of frequency band 0, frequency band 1 and frequency band 2 shown in FIG. 4b, or any two or three of the three frequency bands.
[0428] 1) The CSI-IM resource includes frequency band 0 and frequency band 1. The average received power of the CSI-IM resource of frequency band 0 (such as the interference signal being the PDSCH of the second radio access technology) is p1, the power offset parameter is delta1, the average received power of the CSI-IM (such as SSB) of frequency band 1 is p2, and the power offset parameter is delta2. The first communication device can determine at least one of the following interference powers:
[0429] A) the total interference power p1*delta1+p2*delta2;
[0430] B) the interference power of frequency band 0 p1*delta1;
[0431] C) the interference power of frequency band 1 p2*delta2;
[0432] D) the average interference power is (p1*delta1+p2*delta2) / 2.
[0433] 2) The CSI-IM resource includes frequency band 0 and frequency band 1. The average received power of the CSI-IM resource of frequency band 0 (such as the interference signal being the PDSCH of the second radio access technology) is p1, the average received power of the CSI-IM (such as SSB) of frequency band 1 is p2, and the power offset parameter is delta1. The first communication device can determine at least one of the following interference powers:
[0434] A) the total interference power p1+p2*delta2;
[0435] B) the interference power of frequency band 0 p1;
[0436] C) the interference power of frequency band 1 p2*delta1;
[0437] D) the average interference power is (p1+p2*delta1) / 2.
[0438] 3) CSI-IM resources include frequency band 1 and frequency band 0. The average received power of the CSI-IM resource of frequency band 1 (such as PDSCH of the second radio access technology as the interference signal) is p1, the average received power of the CSI-IM (such as CORESET) of frequency band 0 is p3, and the power offset parameter is delta2, then the first communication device can determine at least one of the following interference powers:
[0439] A) the total interference power p1 + p3 * delta2;
[0440] B) the interference power of frequency band 0 p1;
[0441] C) the interference power of frequency band 1 p3 * delta2;
[0442] D) the average interference power is (p1 + p3 * delta2) / 2
[0443] 4) CSI-IM resources include frequency band 1 and frequency band 2. The average received power of the CSI-IM resource of frequency band 1 (such as SSB of the second radio access technology as the interference signal) is p2, the power offset parameter is delta1, and the average received power of the CSI-IM (CORESET) of frequency band 2 is p3, and the power offset parameter is delta2, then the first communication device can determine at least one of the following interference powers:
[0444] A) the total interference power p2 * delta1 + p3 * delta2;
[0445] B) the interference power of frequency band 1 p2 * delta1;
[0446] C) the interference power of frequency band 2 p3 * delta2;
[0447] D) the average interference power is (p2 * delta1 + p3 * delta2) / 2
[0448] 5) CSI-IM resources include frequency band 0, frequency band 1 and frequency band 2. The average received power of the CSI-IM of frequency band 1 is p1, the average received power of the CSI-IM of frequency band 2 is p2, the power offset parameter is delta1, the average received power of the CSI-IM of frequency band 3 is p3, and the power offset parameter is delta2, then the first communication device can determine at least one of the following interference powers:
[0449] A) the total interference power p1 + p2 * delta1 + p3 * delta2;
[0450] B) the interference power of frequency band 0 p1;
[0451] C) the interference power of frequency band 1 p2 * delta1;
[0452] D) the interference power of Band 1 p3*delta2;
[0453] E) the average interference power is (p1+p2*delta1+p3*delta2) / 3
[0454] 6) the CSI-IM resource includes Band 1. The average received power of the CSI-IM (such as SSB) of Band 1 is p2, and the power offset parameter is delta2. The first communication device can determine at least one of the following interference powers:
[0455] A) the total interference power p2*delta2;
[0456] B) the interference power of Band 1 p2*delta2;
[0457] C) the average interference power is p2*delta2.
[0458] Exemplarily, when the power parameter of the power information configuration is a power offset parameter (such as power offset or delta), as described above, the reference power is the interference power of PDSCH. Similarly, the reference power can also be the interference power of SSB / CORESET, which is not limited in the present application.
[0459] Referring to FIG. 5, the present embodiment provides a communication device 500, which can implement the functions of the first communication device (or the second communication device) in the above method embodiments, and thus can also implement the beneficial effects possessed by the above method embodiments. In the present embodiment, the communication device 500 can be the first communication device (or the second communication device), or an integrated circuit or element etc. inside the first communication device (or the second communication device), such as a chip, a baseband chip, a modem chip, an SoC chip (such as an SoC chip containing a modem core), a SIP chip, a communication module, a chip system, a processor, etc.
[0460] It should be noted that the transceiver unit 502 can include a sending unit and a receiving unit, which are respectively used for performing sending and receiving.
[0461] In a possible implementation, when the communication device 500 is used to perform the method performed by the first communication device in FIG. 3 and related embodiments, the communication device 500 includes a processing unit 501 and a transceiver unit 502; the transceiver unit 502 is configured to receive first information, the first information being used to configure first power information of an interference measurement resource; and the processing unit 501 is configured to perform measurement based on the interference measurement resource and the first power information.
[0462] In a possible implementation, when the communication apparatus 500 is configured to perform the method performed by the second communication apparatus in FIG. 3 and related embodiments, the apparatus 500 includes a processing unit 501 and a transceiver unit 502. The processing unit 501 is configured to determine first information, the first information being used to configure first power information of an interference measurement resource. The transceiver unit 502 is configured to send the first information.
[0463] In a possible design, when the communication apparatus 500 is a communication module in a terminal device or terminal, the function of the processing unit 501 can be implemented by one or more processors. Specifically, the processor can include a modem chip, a SoC chip (such as a SoC chip including a modem core), or a SIP chip. The function of the transceiver unit 502 can be implemented by a transceiver circuit.
[0464] In a possible design, when the communication apparatus 500 is a circuit or chip responsible for communication functions in a terminal, such as a modem chip or a SoC chip or a SoC chip including a modem core or a SIP chip, the function of the processing unit 501 can be implemented by a circuit system including one or more processors or processor cores in the chip. The function of the transceiver unit 502 can be implemented by an interface circuit or a data transceiver circuit on the chip.
[0465] It should be noted that the information execution process and the like of the units of the communication apparatus 500 are described in the foregoing method embodiments of the present application, and will not be described here.
[0466] Please refer to FIG. 6, which is another schematic structural diagram of a communication apparatus 600 provided by the present application. The communication apparatus 600 includes a logic circuit 601 and an input-output interface 602. The communication apparatus 600 can be a chip or an integrated circuit.
[0467] The transceiver unit 502 shown in FIG. 5 can be a communication interface, which can be the input-output interface 602 in FIG. 6. The input-output interface 602 can include an input interface and an output interface. Alternatively, the communication interface can be a transceiver circuit, which can include an input interface circuit and an output interface circuit.
[0468] In a possible implementation, when the communication apparatus 600 is configured to perform the method performed by the first communication apparatus in FIG. 3 and related embodiments, the input-output interface 602 is configured to receive first information, the first information being used to configure first power information of an interference measurement resource. The logic circuit 601 is configured to perform measurement based on the interference measurement resource and the first power information.
[0469] In a possible implementation, when the communication apparatus 600 is configured to perform the method performed by the second communication apparatus in FIG. 3 and related embodiments, the logic circuit 601 is configured to determine first information, the first information being used to configure first power information of the interference measurement resource; and the input and output interface 602 is configured to send the first information.
[0470] The logic circuit 601 and the input and output interface 602 can also perform other steps and achieve corresponding beneficial effects performed by the first communication apparatus or the second communication apparatus in any embodiment, which will not be repeated here.
[0471] In a possible implementation, the processing unit 501 shown in FIG. 5 can be the logic circuit 601 in FIG. 6.
[0472] Optionally, the logic circuit 601 can be a processing apparatus, and the functions of the processing apparatus can be partially or entirely implemented through software.
[0473] Optionally, the processing apparatus can include a memory and a processor, where the memory is configured to store a computer program, and the processor is configured to read and execute the computer program stored in the memory to perform the corresponding processing and / or steps in any method embodiment.
[0474] Optionally, the processing apparatus can only include the processor. The memory for storing the computer program is located outside the processing apparatus, and the processor is connected with the memory through a circuit / wire to read and execute the computer program stored in the memory. The memory and the processor can be integrated together or can be physically independent of each other.
[0475] Optionally, the processing apparatus can be one or more chips or one or more integrated circuits. For example, the processing apparatus can be one or more field-programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), SoCs, central processing units (CPUs), network processors (NPs), digital signal processors (DSPs), micro controller units (MCUs), programmable logic devices (PLDs), or other integrated chips, or any combination of the above chips or processors.
[0476] Please refer to FIG. 7, which is a communication apparatus 700 involved in the above-mentioned embodiments provided by the embodiments of the present application, and the communication apparatus 700 can be specifically the communication apparatus as the terminal device in the above-mentioned embodiments, and the example shown in FIG. 7 is implemented by the terminal device (or components in the terminal device).
[0477] The communication apparatus 700 can include but is not limited to at least one processor 701 and a communication port 702.
[0478] The transceiver unit 502 shown in FIG. 5 can be a communication interface, which can be the communication port 702 in FIG. 7, and the communication port 702 can include an input interface and an output interface. Alternatively, the communication port 702 can also be a transceiver circuit, which can include an input interface circuit and an output interface circuit.
[0479] Further optionally, the apparatus can further include at least one of a memory 703 and a bus 704, and in the embodiments of the present application, the at least one processor 701 is configured to control and process the actions of the communication apparatus 700.
[0480] In addition, the processor 701 can be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a transistor logic device, a hardware component or any combination thereof. It can implement or execute various exemplary logical blocks, modules and circuits described in combination with the disclosure. The processor can also be a combination of computing functions, such as one or more microprocessor combinations, digital signal processor and microprocessor combinations, etc. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-mentioned system, apparatus and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be described here.
[0481] It should be noted that the communication apparatus 700 shown in FIG. 7 can be specifically used to implement the steps implemented by the terminal device in the foregoing method embodiments, and achieve the corresponding technical effects of the terminal device. The specific implementation mode of the communication apparatus shown in FIG. 7 can refer to the description in the foregoing method embodiments, which will not be described one by one here.
[0482] Please refer to FIG. 8, which is a structure diagram of a communication apparatus 800 involved in the above-mentioned embodiments provided by the embodiments of the present application, and the communication apparatus 800 can be specifically the communication apparatus as the network device in the above-mentioned embodiments, and the example shown in FIG. 8 is implemented by the network device (or components in the network device), and the structure of the communication apparatus can refer to the structure shown in FIG. 8.
[0483] The communication device 800 comprises at least one processor 811 and at least one interface 814. Further optionally, the communication device further comprises at least one memory 812, at least one transceiver 813 and one or more antennas 815. The processor 811, the memory 812, the transceiver 813 and the interface 814 are connected, for example, through a bus, which can comprise various types of interfaces, transmission lines or buses in the embodiments of the present application, and the embodiments of the present application do not limit the same. The antenna 815 is connected to the transceiver 813. The interface 814 is used for the communication device to communicate with other communication devices through a communication link. For example, the interface 814 can comprise a network interface between the communication device and the core network device, for example, an S1 interface, and the network interface can comprise a network interface between the communication device and other communication devices (for example, other network devices or core network devices), for example, an X2 or Xn interface.
[0484] The transceiver unit 502 shown in FIG. 5 can be a communication interface, which can be the interface 814 in FIG. 8, and the interface 814 can comprise an input interface and an output interface. Alternatively, the interface 814 can also be a transceiver circuit, which can comprise an input interface circuit and an output interface circuit.
[0485] The processor 811 is mainly used for processing communication protocols and communication data, and controlling the whole communication device, executing software programs, processing data of the software programs, for example, for supporting the communication device to perform the actions described in the embodiments. The communication device can comprise a baseband processor and a central processor, the baseband processor is mainly used for processing communication protocols and communication data, and the central processor is mainly used for controlling the whole terminal device, executing software programs, and processing data of the software programs. The processor 811 in FIG. 8 can integrate the functions of the baseband processor and the central processor, and those skilled in the art can understand that the baseband processor and the central processor can also be independent processors interconnected through a bus. Those skilled in the art can understand that the terminal device can comprise a plurality of baseband processors to adapt to different network modes, and the terminal device can comprise a plurality of central processors to enhance its processing capability, and various components of the terminal device can be connected through various buses. The baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip. The central processor can also be expressed as a central processing circuit or a central processing chip. The function of processing communication protocols and communication data can be built in the processor, or stored in the memory in the form of software programs, and the processor executes the software programs to realize the baseband processing function.
[0486] The memory is mainly used for storing software programs and data. The memory 812 can exist independently of the processor 811. Alternatively, the memory 812 can be integrated with the processor 811, for example, integrated in a chip. The memory 812 can store program codes for implementing the technical solutions of the embodiments of the present application, and the processor 811 controls the execution. The executed computer programs of various types can also be regarded as the driver of the processor 811.
[0487] Figure 8 only shows one memory and one processor. In actual terminal equipment, there can be multiple processors and multiple memories. The memory can also be referred to as a storage medium or a storage device, etc. The memory can be a storage element on the same chip as the processor, i.e. an on-chip storage element, or an independent storage element, which is not limited in the embodiments of the present application.
[0488] The transceiver 813 can be used to support the reception or transmission of radio frequency signals between the communication device and the terminal. The transceiver 813 can be connected to the antenna 815. The transceiver 813 includes a transmitter Tx and a receiver Rx. Specifically, one or more antennas 815 can receive radio frequency signals, the receiver Rx of the transceiver 813 is used to receive the radio frequency signals from the antenna and convert the radio frequency signals into digital baseband signals or digital intermediate frequency signals, and provide the digital baseband signals or digital intermediate frequency signals to the processor 811 for further processing of the digital baseband signals or digital intermediate frequency signals by the processor 811, such as demodulation processing and decoding processing. In addition, the transmitter Tx in the transceiver 813 is also used to receive the modulated digital baseband signals or digital intermediate frequency signals from the processor 811, and convert the modulated digital baseband signals or digital intermediate frequency signals into radio frequency signals, and transmit the radio frequency signals through one or more antennas 815. Specifically, the receiver Rx can selectively perform one or more levels of down-mixing and analog-to-digital conversion to obtain digital baseband signals or digital intermediate frequency signals, and the order of the down-mixing and analog-to-digital conversion can be adjusted. The transmitter Tx can selectively perform one or more levels of up-mixing and digital-to-analog conversion on the modulated digital baseband signals or digital intermediate frequency signals to obtain radio frequency signals, and the order of the up-mixing and digital-to-analog conversion can be adjusted. The digital baseband signals and the digital intermediate frequency signals can be collectively referred to as digital signals.
[0489] The transceiver 813 can also be referred to as a transceiving unit, a transceiver, a transceiving device, etc. Alternatively, the devices in the transceiving unit for implementing the receiving function can be regarded as a receiving unit, and the devices in the transceiving unit for implementing the transmitting function can be regarded as a transmitting unit, i.e. the transceiving unit includes a receiving unit and a transmitting unit, the receiving unit can also be referred to as a receiver, an input port, a receiving circuit, etc., and the transmitting unit can be referred to as a transmitter, a transmitter, or a transmitting circuit, etc.
[0490] It should be noted that the communication apparatus 800 shown in FIG. 8 can be specifically used to implement the steps implemented by the network device in the foregoing method embodiments, and achieve the corresponding technical effects of the network device. The specific implementation of the communication apparatus 800 shown in FIG. 8 can be referred to the description in the foregoing method embodiments, which will not be repeated here.
[0491] Please refer to FIG. 9, which is a structural schematic diagram of the communication apparatus involved in the foregoing embodiments provided by the embodiments of the present application.
[0492] It can be understood that the communication apparatus 900 includes, for example, modules, units, elements, circuits, or interfaces, etc., which are properly configured together to execute the technical solutions provided by the present application. The communication apparatus 900 can be the terminal device or the network device described above, or a component (such as a chip) of these devices, to implement the methods described in the following method embodiments. The communication apparatus 900 includes one or more processors 901. The processor 901 can be a general-purpose processor or a special-purpose processor, etc. For example, it can be a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the communication apparatus (such as a RAN node, a terminal, or a chip, etc.), execute software programs, and process data of the software programs.
[0493] Optionally, in one design, the processor 901 can include a program 903 (which can also be referred to as code or instructions sometimes) that can be run on the processor 901, so that the communication apparatus 900 executes the methods described in the following embodiments. In another possible design, the communication apparatus 900 includes a circuit (not shown in FIG. 9).
[0494] Optionally, the communication apparatus 900 can include one or more memories 902, which have a program 904 (which can also be referred to as code or instructions sometimes) stored thereon. The program 904 can be run on the processor 901, so that the communication apparatus 900 executes the methods described in the foregoing method embodiments.
[0495] Optionally, the processor 901 and / or the memory 902 can include an artificial intelligence (AI) module 907, 908, which is used to implement AI-related functions. The AI module can be implemented by software, hardware, or a combination of software and hardware. For example, the AI module can include a radio intelligence control (RIC) module. For example, the AI module can be a near-real-time RIC or a non-real-time RIC.
[0496] Optionally, the processor 901 and / or the memory 902 can also store data. The processor and the memory can be separately arranged, or integrated together.
[0497] Optionally, the communication device 900 can further include a transceiver 905 and / or an antenna 906. The processor 901 can also be referred to as a processing unit, and can control the communication device (e.g., a RAN node or a terminal). The transceiver 905 can also be referred to as a transceiving unit, a transceiver, a transceiving circuit, or a transceiver, etc., and can be used to realize the transceiving function of the communication device through the antenna 906.
[0498] The processing unit 501 shown in FIG. 5 can be the processor 901. The transceiving unit 502 shown in FIG. 5 can be a communication interface, which can be the transceiver 905 in FIG. 9, and the transceiver 905 can include an input interface and an output interface. Alternatively, the transceiver 905 can also be a transceiving circuit, which can include an input interface circuit and an output interface circuit.
[0499] The embodiments of the present application also provide a computer readable storage medium for storing one or more computer-executable instructions, which, when executed by a computer, cause the computer to perform the method described in the possible implementation manners of the first communication device or the second communication device.
[0500] The embodiments of the present application also provide a computer program product (or a computer program), which, when executed by a computer, cause the computer to perform the method described in the possible implementation manners of the first communication device or the second communication device.
[0501] The embodiments of the present application also provide a chip system, which includes at least one processor for supporting the communication device to implement the functions involved in the possible implementation manners of the communication device. Optionally, the chip system further includes an interface circuit for providing program instructions and / or data for the at least one processor. In a possible design, the chip system can further include a memory for storing necessary program instructions and data of the communication device. The chip system can be composed of a chip, or can include a chip and other discrete devices, and the communication device can be the first communication device or the second communication device in the method embodiments.
[0502] The embodiments of the present application also provide a communication system, which includes the first communication device in any of the above embodiments.
[0503] Optionally, the communication system further includes a second communication device.
[0504] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other manners. For example, the described device embodiments are merely schematic. For example, the division of the units is only a logical function division. There can be another division manner for the actual implementation, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between different units, can be indirect couplings or communication connections through some interfaces, devices or units, and can be in electrical, mechanical or other forms.
[0505] The units described as separated components can or can not be physically separated, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purposes of the embodiments of the present application.
[0506] In addition, each functional unit in the embodiments of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be implemented in the form of hardware or in the form of a software functional unit. If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on such an understanding, the technical solutions of the present application essentially or substantially, or all or 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 several 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 methods described in the embodiments of the present application. The foregoing storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk, and various other media that can store program codes.
Claims
1. A communication method characterized by comprising: The method comprises: receiving first information used for configuring first power information of an interference measurement resource; performing measurement based on the interference measurement resource and the first power information.
2. The method of claim 1, wherein, The first power information comprises a power value and / or a power offset parameter, and the power offset parameter is relative to a reference power.
3. The method of claim 2, wherein, The method further comprises: receiving second information used for determining the reference power.
4. The method according to any one of claims 1 to 3, characterized in that, The method further comprises: sending third information used for indicating interference measurement result information determined based on the interference measurement resource and the first power information.
5. The method of claim 4, wherein, The interference measurement result information comprises signal quality information of a signal carried by the interference measurement resource, and / or channel state information.
6. The method according to claim 4 or 5, characterized in that, The interference measurement result information comprises at least one of the following: an index of the signal carried by the interference measurement resource, an index of the interference measurement resource, an index of a reference signal corresponding to the interference measurement result information, or a resource index corresponding to the interference measurement result information.
7. A communication method characterized by comprising: The method comprises: determining first information used for configuring first power information of an interference measurement resource; sending the first information.
8. The method of claim 7, wherein, The first power information comprises a power value and / or a power offset parameter, and the power offset parameter is relative to a reference power.
9. The method of claim 8, wherein, The method further comprises: sending second information used for determining the reference power.
10. The method according to any one of claims 7 to 9, characterized in that, The method further comprises: receiving third information used for indicating interference measurement result information determined based on the interference measurement resource and the first power information.
11. The method of claim 10, wherein, The interference measurement result information comprises signal quality information of a signal carried by the interference measurement resource, and / or channel state information.
12. The method according to claim 10 or 11, characterized in that, The interference measurement result information comprises at least one of the following: an index of the signal carried by the interference measurement resource, an index of the interference measurement resource, an index of a reference signal corresponding to the interference measurement result information, or a resource index corresponding to the interference measurement result information.
13. The method according to any one of claims 1 to 12, characterized in that, The interference measurement resource is a zero-power interference measurement resource.
14. The method according to any one of claims 1 to 13, characterized in that, The interference measurement resource is a non-zero-power interference measurement resource, and the first power information is used for determining at least two power information corresponding to the interference measurement resource.
15. The method according to any one of claims 1 to 14, characterized in that, The interference measurement resource comprises N frequency domain resources, and N is a positive integer; wherein the first power information is used for determining power information corresponding to the N frequency domain resources.
16. The method of claim 15, wherein, An i-th frequency domain resource of the N frequency domain resources comprises M resource units in one frequency domain unit, i is 1 to N, and M is an integer greater than or equal to 1; wherein the first power information is used for determining power information corresponding to the M resource units.
17. The method of claim 16, wherein, The first power information satisfies any one of the following: The first power information comprises first indication information and / or second indication information, the first indication information is used for indicating a resource pattern of the M resource units, and the second indication information is used for indicating power information corresponding to the resource pattern of the M resource units; The first power information comprises power information of one or more time units corresponding to the M resource units; The first power information comprises power information corresponding to the M resource units; or The first power information comprises power information of one or more groups of resource units corresponding to the M resource units.
18. The method according to any one of claims 1 to 17, characterized in that, The interference measurement resource comprises P resource units in one frequency domain unit, P being a positive integer; wherein the first power information is used to determine power information corresponding to the P resource units.
19. The method of claim 18, wherein, The first power information satisfies any one of the following conditions: The first power information comprises third indication information and / or fourth indication information, the third indication information being used to indicate a resource pattern of the P resource units, and the fourth indication information being used to indicate power information corresponding to the resource pattern of the P resource units; The first power information comprises power information of one or more time units corresponding to the P resource units; The first power information comprises power information corresponding to the P resource units; or The first power information comprises power information of one or more groups of resource units corresponding to the P resource units.
20. The method according to any one of claims 1 to 19, characterized in that, The interference measurement resource is used for interference measurement of a first radio access technology, and is used to carry a communication signal of a second radio access technology.
21. A communications device, characterized by The apparatus comprises a module for performing the method of any one of claims 1 to 20.
22. A communications device, characterized by The apparatus comprises at least one processor configured to perform the method of any one of claims 1 to 20.
23. The communication apparatus according to claim 22, wherein, The communication device is a chip or a chip system.
24. A computer-readable storage medium, characterized in that, The computer readable storage medium stores a computer program or instructions, which, when executed, implement the method of any one of claims 1 to 20.
25. A computer program product, characterised in that, The computer program or instructions, when executed by a computer, implement the method of any one of claims 1 to 20.
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