Resource configuration method and communication apparatus

Abstract

Provided in the present application are a resource configuration method and a communication apparatus, which can reduce resource overheads and can be applied to communication systems. The method comprises: receiving first information, the first information being used for indicating a plurality of resource sets, each resource set among the plurality of resource sets comprising a plurality of resources, the plurality of resources of each resource set comprising a first type of resources and a second type of resource, the frequency domain density of the first type of resources being different from the frequency domain density of the second type of resource, and / or the bandwidth of the first type of resources being different from the bandwidth of the second type of resource; and, on the basis of the first information, receiving a plurality of reference signals, the plurality of reference signals comprising reference signals carried by each resource set among the plurality of resource sets.

Description

Resource configuration method and communication device

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on April 3, 2024, with application number 202410409080.X and application name “Resource Allocation Method and Communication Device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of communication technology, and in particular to a resource configuration method and a communication device. Background Art

[0003] In the fifth generation (5G) mobile communication system, a set of non-periodic resources with different time slot offsets can be configured for a single network device to carry reference signals. In this solution, the time domain characteristics of a single network device are taken into account, such as the channel state information (CSI) feedback based on the Doppler codebook or the reporting of the time domain channel property (TDCP), but the configuration of resources carrying reference signals in the scenario of coherent transmission of multiple network devices is not considered. In the coherent joint transmission scenario, when measuring the time offset and / or frequency offset, each of the multiple network devices is required to send multiple reference signals. If the solution in the 5G communication system is directly used, it will lead to large resource overhead and reduce spectrum efficiency. Summary of the Invention

[0004] The embodiments of the present application provide a resource configuration method and a communication device, which can improve resource overhead.

[0005] To achieve the above objectives, this application adopts the following technical solutions:

[0006] In a first aspect, a resource configuration method is provided. The resource configuration method includes: a first device receives first information. The first information is used to indicate multiple resource sets, and each resource set of the multiple resource sets includes multiple resources. The multiple resources of each resource set include first-class resources and second-class resources, and the frequency domain density of the first-class resources is different from the frequency domain density of the second-class resources, and / or the bandwidth of the first-class resources is different from the bandwidth of the second-class resources. The first device receives multiple reference signals. The multiple reference signals include a reference signal carried on each resource set in the multiple resource sets.

[0007] Based on the method provided in the first aspect, the first device can receive the first information and receive reference signals on multiple resource sets based on the first information, wherein each resource set in the multiple resource sets includes first-type resources and second-type resources, that is, the resources in the resource set are configured with different frequency domain densities and / or bandwidths. In this way, some resources in the resource set can be configured with smaller frequency domain density and / or smaller bandwidth, thereby reducing the resources occupied by the reference signal and reducing resource overhead.

[0008] It should be understood that since the accuracy of time deviation measurement is related to the frequency domain bandwidth and frequency domain density, in an embodiment of the present application, one of the first and second types of resources can be configured as a resource with a larger frequency domain density and / or bandwidth, so that the accuracy of time deviation measurement can be taken into account.

[0009] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 The frequency domain density of the first type of resources is the same, and K n -The frequency domain density of one first-class resource is different from the frequency domain density of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1. In other words, resources with different frequency domain densities can be configured in the same resource set to reduce resource overhead.

[0010] In one possible implementation, the frequency domain density of the first type of resources may be smaller than the frequency domain density of the second type of resources. In this way, the size of the resources in the nth resource set may be further reduced, thereby further reducing resource overhead.

[0011] In one possible implementation, the first type of resources in different resource sets among the multiple resource sets may have the same frequency domain density, and the second type of resources in different resource sets among the multiple resource sets may have the same frequency domain density. In other words, the frequency domain configurations of resource sets in different network devices among the multiple network devices are more consistent, which can make the frequency domain configurations of reference signals sent by different network devices more consistent, thereby further improving the accuracy of measurement results.

[0012] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n-1 first-class resource has the same bandwidth, and K n -The bandwidth of one first-class resource is different from the bandwidth of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1. In other words, resources with different bandwidths can be configured in the same resource set to reduce resource overhead.

[0013] In one possible implementation, the bandwidth of the first type of resources may be smaller than the bandwidth of the second type of resources. In this way, the size of the resources in the nth resource set may be further reduced, thereby further reducing resource overhead.

[0014] In one possible implementation, the first type of resources in different resource sets among the multiple resource sets may have the same bandwidth, and the second type of resources in different resource sets among the multiple resource sets may have the same bandwidth. In other words, more consistent bandwidth configurations of resource sets among different network devices among the multiple network devices can lead to more consistent bandwidth configurations of reference signals sent by different network devices, thereby further improving the accuracy of measurement results.

[0015] In one possible implementation, any two different resources within any one of the multiple resource sets can occupy the same resource elements (REs) in their corresponding resource blocks. This means that different resources within the same resource set occupy the same frequency domain positions, such as subcarriers. This can reduce the impact of time offset and improve the accuracy of frequency offset measurement.

[0016] In one possible implementation, resources in any two resource sets within the multiple resource sets can occupy the same resource units within their corresponding resource blocks. In other words, different resources within the same resource set occupy the same frequency domain locations, such as subcarriers. This reduces the impact of time offset and improves the accuracy of frequency offset measurement.

[0017] In a possible implementation, the time interval between any two adjacent resources in any one of the multiple resource sets may be the same, thereby reducing measurement complexity.

[0018] In one possible implementation, the time interval between any two adjacent resources in the first resource set and the time interval between any two adjacent resources in the second resource set are the same. The first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set. This reduces measurement complexity.

[0019] In a possible implementation, among the multiple resources in any one of the multiple resource sets, the symbols occupied by any two different resources in their respective corresponding time domain units may be the same, thereby reducing measurement complexity.

[0020] In a possible implementation, the symbols occupied by the resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units may be the same, thereby reducing measurement complexity.

[0021] In one possible implementation, the method provided in the first aspect may further include: the first device sending second information, wherein the second information is used to indicate a time offset and / or a frequency offset, and the time offset and / or the frequency offset are measured based on multiple reference signals.

[0022] In a second aspect, a resource configuration method is provided. The resource configuration method includes: a second device sending first information. The first information is used to indicate multiple resource sets, each of the multiple resource sets including multiple resources. The multiple resources in each resource set include first-category resources and second-category resources, the frequency domain density of the first-category resources is different from the frequency domain density of the second-category resources, and / or the bandwidth of the first-category resources is different from the bandwidth of the second-category resources. The second device sends a reference signal on one of the multiple resource sets.

[0023] Based on the resource configuration method provided by the second aspect, the second device can configure multiple resource sets through the first information and send multiple reference signals on the multiple resource sets, wherein each resource set in the multiple resource sets includes resources with different frequency domain density and / or bandwidth. In this way, some resources in the resource set can be configured with a smaller frequency domain density and / or a smaller bandwidth, thereby reducing the resources occupied by the reference signal and reducing resource overhead.

[0024] It should be understood that since the accuracy of time deviation measurement is related to the frequency domain bandwidth and frequency domain density, in an embodiment of the present application, one of the first and second types of resources can be configured as a resource with a larger frequency domain density and / or bandwidth, so that the accuracy of time deviation measurement can be taken into account.

[0025] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 The frequency domain density of the first type of resources is the same, and K n -The frequency domain density of one first-class resource is different from the frequency domain density of one second-class resource. nare all positive integers, 1≤n≤N, and K n >1.

[0026] In a possible implementation, the frequency domain density of the first type of resources may be smaller than the frequency domain density of the second type of resources.

[0027] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same frequency domain density, and the second type of resources in different resource sets of the multiple resource sets may have the same frequency domain density.

[0028] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 first-class resource has the same bandwidth, and K n -The bandwidth of one first-class resource is different from the bandwidth of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1.

[0029] In a possible implementation, the bandwidth of the first type of resources may be smaller than the bandwidth of the second type of resources.

[0030] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same bandwidth, and the second type of resources in different resource sets of the multiple resource sets may have the same bandwidth.

[0031] In a possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same resource units RE in their respective corresponding resource blocks.

[0032] In a possible implementation, the resource units occupied by the resources in any two resource sets of the multiple resource sets in their respective corresponding resource blocks may be the same.

[0033] In a possible implementation, among the multiple resources in any one of the multiple resource sets, the time intervals between any two adjacent resources may be the same.

[0034] In one possible implementation, the time interval between any two adjacent resources in a first resource set and the time interval between any two adjacent resources in a second resource set are the same. The first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set.

[0035] In a possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same symbol in their respective corresponding time domain units.

[0036] In a possible implementation, the symbols occupied by the resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units may be the same.

[0037] In one possible implementation, the method provided in the second aspect may further include: a second device receiving second information, wherein the second information is used to indicate a time offset and / or a frequency offset, and the time offset and / or the frequency offset are measured based on multiple reference signals.

[0038] In addition, the technical effects of the resource allocation method described in the second aspect can refer to the technical effects of the resource allocation method described in the first aspect, and will not be repeated here.

[0039] In a third aspect, a communication device is provided, which is configured to execute the resource configuration method described in any one of the implementations of the first to second aspects.

[0040] In the present application, the communication device described in the third aspect can be the terminal described in the first aspect or the network device described in the second aspect, or a chip (system) or other parts or components that can be set in the terminal or network device, or a device that includes the terminal or network device.

[0041] It should be understood that the communication device described in the third aspect includes a module, unit, or means corresponding to the resource configuration method described in any one of the first to second aspects above. The module, unit, or means can be implemented through hardware, software, or hardware executing the corresponding software implementation. The hardware or software includes one or more modules or units for performing the functions involved in the resource configuration method described above.

[0042] In a fourth aspect, a communication device is provided, comprising: a processor configured to execute the resource configuration method described in any possible implementation of the first to second aspects.

[0043] In one possible design solution, the communication device described in the fourth aspect may further include a transceiver. The transceiver may be a transceiver circuit or an interface circuit. The transceiver may be used for the communication device described in the fourth aspect to communicate with other communication devices.

[0044] In one possible design, the communication device described in the fourth aspect may further include a memory. The memory may be integrated with the processor or provided separately. The memory may be used to store the computer program and / or data involved in the resource configuration method described in any one of the first and second aspects.

[0045] In the present application, the communication device described in the fourth aspect can be the terminal described in the first aspect or the network device described in the second aspect, or a chip (system) or other parts or components that can be set in the terminal or network device, or a device that includes the terminal or network device.

[0046] In a fifth aspect, a communication device is provided. The communication device includes: a processor coupled to a memory, the processor being configured to execute a computer program stored in the memory, so that the communication device performs the resource configuration method described in any possible implementation of the first to second aspects.

[0047] In one possible design solution, the communication device described in the fifth aspect may further include a transceiver. The transceiver may be a transceiver circuit or an interface circuit. The transceiver may be used for the communication device described in the fifth aspect to communicate with other communication devices.

[0048] In the present application, the communication device described in the fifth aspect can be the terminal described in the first aspect or the network device described in the second aspect, or a chip (system) or other parts or components that can be set in the terminal or network device, or a device that includes the terminal or network device.

[0049] In the sixth aspect, a communication device is provided, comprising: a processor and a memory; the memory is used to store a computer program, and when the processor executes the computer program, the communication device executes the resource configuration method described in any one of the implementation methods of the first aspect to the second aspect.

[0050] In one possible design solution, the communication device described in the sixth aspect may further include a transceiver. The transceiver may be a transceiver circuit or an interface circuit. The transceiver may be used for the communication device described in the sixth aspect to communicate with other communication devices.

[0051] In the present application, the communication device described in the sixth aspect can be the terminal described in the first aspect or the network device described in the second aspect, or a chip (system) or other parts or components that can be set in the terminal or network device, or a device that includes the terminal or network device.

[0052] In the seventh aspect, a communication device is provided, comprising: a processor; the processor is used to couple with a memory, and after reading a computer program in the memory, execute the resource configuration method as described in any one of the implementation methods of the first aspect to the second aspect according to the computer program.

[0053] In one possible design solution, the communication device described in the seventh aspect may further include a transceiver. The transceiver may be a transceiver circuit or an interface circuit. The transceiver may be used for the communication device described in the seventh aspect to communicate with other communication devices.

[0054] In the present application, the communication device described in the seventh aspect can be the terminal described in the first aspect or the network device described in the second aspect, or a chip (system) or other parts or components that can be set in the terminal or network device, or a device that includes the terminal or network device.

[0055] In an eighth aspect, a processor is provided, wherein the processor is configured to execute the resource configuration method described in any possible implementation manner of the first aspect to the second aspect.

[0056] In a ninth aspect, a communication system is provided, which includes one or more terminals and one or more network devices.

[0057] In the tenth aspect, a computer-readable storage medium is provided, comprising: a computer program or instructions; when the computer program or instructions are run on a computer, the computer is caused to execute the resource configuration method described in any possible implementation of the first to second aspects.

[0058] In the eleventh aspect, a computer program product is provided, comprising a computer program or instructions, which, when executed on a computer, enables the computer to execute the resource configuration method described in any possible implementation of the first to second aspects.

[0059] In addition, the technical effects of the communication devices described in the third to eleventh aspects above can refer to the technical effects of the resource configuration methods described in the first to second aspects above, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0060] FIG1 is a schematic diagram of a communication system architecture of an IPRAN network provided in an embodiment of the present application;

[0061] FIG2 is a schematic diagram of a phase feedback method according to an embodiment of the present invention;

[0062] FIG3 is a schematic diagram of the time delay between a network device and a terminal according to an embodiment of the present application;

[0063] FIG4 is a schematic diagram of the architecture of a communication system provided in an embodiment of the present application;

[0064] FIG5 is a schematic diagram of information interaction between a network device and a terminal according to an embodiment of the present application;

[0065] FIG6 is a flow chart of a resource configuration method according to an embodiment of the present application;

[0066] FIG7 is a first schematic diagram of the frequency domain density of resources in a resource set provided in an embodiment of the present application;

[0067] FIG8 is a second schematic diagram of the frequency domain density of resources in a resource set provided in an embodiment of the present application;

[0068] FIG9 is a schematic diagram of the bandwidth of resources in a resource set provided in an embodiment of the present application;

[0069] FIG10 is a first structural diagram of a communication device provided in an embodiment of the present application;

[0070] FIG11 is a second structural diagram of the communication device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0071] The following will introduce the technical terms and related technologies in this application with reference to the accompanying drawings.

[0072] 1. Symbol: This can also be referred to as a time-domain symbol. In the embodiments of this application, a symbol can be an orthogonal frequency division multiplexing (OFDM) symbol or a discrete Fourier transform-spread OFDM (DFT-s-OFDM) symbol. Unless otherwise specified, symbols in the embodiments of this application refer to time-domain symbols.

[0073] It should be understood that in the following embodiments, the time domain units and time intervals are exemplified by symbols. In actual implementation, the time domain units and time intervals can also be other time domain units, including multiple symbols, at least one time slot, or at least one mini slot, at least one subframe, or at least one frame, etc.

[0074] 2. Frequency domain unit: A frequency domain unit may include at least one sub-carrier. It is understandable that the frequency domain unit may also be divided according to other possible frequency domain granularities, such as resource blocks (RBs), physical resource blocks (PRBs), resource block groups (RBGs), or virtual resource blocks (VRBs). That is, a frequency domain unit may include at least one RB, PRB, RBG, or VRB, which will not be further described here.

[0075] Coherent joint transmission (CJT) technology can improve the downlink signal-to-interference and noise ratio (SINR). In a CJT-based communication solution, the same terminal can be served by multiple network devices. The signals sent by the multiple network devices providing collaborative services to the terminal are coherently superimposed at the terminal, and the interference signals are coherently canceled at the terminal, thereby improving network throughput and user experience. Since signal processing, sampling, and carrier generation are all based on clock signals, assuming that the clocks of multiple network devices are different, then the multiple network devices do not share a common clock source. This can cause the clock signals generated by the clock sources of these network devices to be asynchronous (also known as clock asynchrony or clock asynchrony). For example, the clock signals of different network devices may have different frequencies and / or phases. This can cause the phases of the signals received by the terminal from different network devices to fail to meet the coherence condition, affecting the CJT transmission effect. In other words, coherent signal processing requires compensating for the frequency and / or phase differences of the clock signals between the different network devices providing collaborative services, so that the phases of the signals received by the terminal from different network devices still meet the coherence condition.

[0076] Taking the Internet Protocol Radio Access Network (IPRAN) networking as an example, as shown in Figure 1, a communication system using IPRAN networking includes network device 101a, network device 101b, and terminal 102. Network device 101a and network device 101b both include a universal main processing and transmission (UMPT) unit and a universal baseband processing (UBBP) unit. The UMPT unit is used to provide signaling processing and resource management functions, and the communication baseband processing unit can be used to implement baseband signal processing functions. Network devices 101a and 101b can interact via a backhaul link (BH). Network devices 101a and 101b have different clock sources.

[0077] Based on this, when the terminal performs coherent joint transmission (cooperative service provision, or cooperative transmission) for the terminal through network device 101a and network device 101b, the phase difference (phase offset) caused by the frequency offset of the signal of network device 101a after reaching the terminal will be inconsistent with the phase difference caused by the frequency offset of the signal of network device 101b after reaching the terminal, which will cause the signal of network device 101a and the signal of network device 101b received by the terminal to not meet the complete coherence condition, affecting the CJT transmission effect.

[0078] The following uses the network devices 101a and 101b as an example to illustrate the influence of frequency deviation. It is assumed that the network devices 101a and 101b do not share a common clock source, and the reference carrier frequency (also referred to as carrier reference frequency) of the network devices 101a and 101b is f c The frequency deviation coefficient of the carrier generated by the network device 101a (ie, the difference between the frequency of the carrier generated by the network device 101a and the reference carrier frequency) is Δ1, and the frequency deviation coefficient of the carrier generated by the network device 101b is Δ2.

[0079] In this case, the carrier frequency of the network device 101a is The relationship shown in the following formula (1) is satisfied:

[0080] The frequency deviation Δf1 of the network device 101a satisfies the relationship shown in the following formula (2): Δf1=Δ1×f c ; (2)

[0081] Carrier frequency of network device 101b The relationship shown in the following formula (3) is satisfied:

[0082] The frequency deviation Δf2 of the network device 101b satisfies the relationship shown in the following formula (4): Δf2=Δ2×f c ; (4)

[0083] Wherein, network device 101a corresponds to TRP1, and network device 101b corresponds to TRP2. If the signals of the transmission channels of TRP1 and TRP2 are in phase at the initial moment, after time t, the accumulated phase difference between the transmission signals of network device 101a and network device 101b satisfies the relationship shown in the following formula (5):

[0084] Where t is time.

[0085] It can be seen that the phase difference caused by the frequency offset will accumulate over time. Assuming that the signals sent by network device 101a and network device 101b both include signal stream 1 and signal stream 2, then the signal received by the terminal at time t0 (precoded signal) satisfies the relationship shown in the following formula (6): y1(t0)=(H 1 W 11 +H 2 W 21 )S1+(H 1 W 12 +H 2 W 22 )S2; (6)

[0086] Among them, H 1 is the channel between the network device 101a and the terminal, H 2 is the channel between the network device 101b and the terminal, W 11 The precoding matrix W is used by the network device 101a to precode the signal stream 1. 21 The network device 101b precodes the signal stream 1 using a precoding matrix, W 12 represents the precoding matrix used by the network device 101a to precode the signal stream 2, W 22 It represents the precoding matrix used by the network device 101b to precode the signal stream 2. S1 represents the signal stream 1, and S2 represents the signal stream 2.

[0087] At a time period of Δt after time t0, that is, at time t0+Δt, assuming that the channel between network device 101a and the terminal and the channel between network device 101b and the terminal do not change, then the channel between network device 101a and the terminal, the precoding matrix between network device 101a and the terminal, the channel between network device 101b and the terminal, and the precoding matrix between network device 101b and the terminal are all the same as at time t0. In this case, the signal (precoded signal) received by the terminal at time t0+Δt satisfies the relationship shown in the following formula (7):

[0088] Assuming that at time t0, the signals received by the terminal can achieve coherent superposition and interference coherent cancellation, then at time t0+Δt, the phase corresponding to network device 101b has an additional phase difference relative to the phase corresponding to network device 101a. Therefore, the signals received by the terminal can only achieve partial coherent superposition, and the interference cannot be completely eliminated, which will affect the CJT transmission performance.

[0089] In addition, when the network device communicates with the terminal, the transceiver channel delay, timing delay and air interface transmission delay will be introduced. As shown in Figure 2, taking network device 101a and network device 101b as an example, the delay between network device 101a and the terminal can include transceiver channel delay 1, timing delay 1 and air interface transmission delay 1, and the delay between network device 101b and the terminal can include transceiver channel delay 2, timing delay 2 and air interface transmission delay 2. It can be seen that when the signal sent by the network device reaches the terminal, there is a time deviation. For example, for signal x(t), after introducing the delay τ, the signal can be represented as x(t-τ) in the time domain, and x(t-τ) is transformed into a frequency domain signal The relationship shown in the following formula (8) can be satisfied:

[0090] where f SC represents the subcarrier frequency interval, k represents the subcarrier number, and X(k) represents the frequency domain signal of x(t) (i.e., the frequency domain signal of x(t) without time offset). Assuming that the air interface channel response from the network device to the terminal on subcarrier k is H(k), after the signal x(t) sent by the network device reaches the terminal, the frequency domain signal on subcarrier k satisfies the relationship shown in the following formula (9):

[0091] It can be seen that the introduced delay τ is equivalent to the introduction of an additional phase (also called phase rotation) into the channel on subcarrier k in the frequency domain. The equivalent channel response can be expressed as And the additional phase introduced is related to subcarrier k.

[0092] For the scenario of coherent joint transmission, the time delay introduced by the signal between the terminal and different network devices, such as different timing delays, means that the signals of different network devices will have different time deviations at the terminal. This will cause the signals sent by different network devices to have phase differences when they arrive at the terminal. Taking the network devices for terminal coherent joint transmission as an example, including network device 101a and network device 101b, if the time delay between network device 101a and the terminal is τ1, the time deviation between network device 101b and the terminal is τ2, and τ1≠τ2 (τ1-τ2≠0), the subcarrier spacing is 30kHz, for the subcarriers in RB1 to RB4 (including subcarrier 1 to subcarrier 48, where each RB includes 12 subcarriers), the difference between the time deviation of network device 101a and the time deviation of network device 101b is τ1-τ2=130 nanoseconds (ns), and for subcarrier 1, its frequency is f SC1 =30kHz, the phase difference between network device 101a and network device 101b is 2π×f SC1 ×(τ1-τ2)=1.4°. For subcarrier 24, its frequency is f SC24 =24×30kHz, the phase difference between network device 101a and network device 101b is 2π×f SC24 ×(τ1-τ2)=33.7°. For subcarrier 48, its frequency is f SC48 =48×30kHz, the phase difference between network device 101a and network device 101b is 2π×f SC48 ×(τ1-τ2)=67.5°.

[0093] As can be seen, the phase difference between network devices 101a and 101b varies greatly across the different subcarriers of the four RBs. However, signal precoding is typically performed at the RBG granularity, with each RBG typically containing four RBs or 48 resource elements (REs). One RE corresponds to one subcarrier in the frequency domain, and all REs within each RBG share the same precoding. Furthermore, the phase difference between different network devices on different subcarriers varies. RBG-granular precoding cannot guarantee coherent superposition of signals in each RE, thus impacting CJT transmission performance.

[0094] For the delay offset and frequency offset generated in the CJT transmission scenario, the terminal can measure them based on the reference signal sent by the network device side, and report the relevant parameters of the frequency offset and time offset to assist the network device in compensating for the phase difference between the signals sent by different network devices caused by the time offset and frequency offset, thereby improving the CJT transmission effect.

[0095] As shown in Figure 3, network devices 101a and 101b transmit a reference signal, which may be a channel state information reference signal (CSI-RS) or other possible reference signals. The reference signal may be transmitted multiple times and may cover the entire transmission bandwidth at certain frequency domain intervals. The terminal measures the channel at the corresponding time-frequency domain position based on the received reference signal, and estimates and reports information to indicate the frequency offset and time offset between different network devices (such as network devices 101a and 101b) and the terminal.

[0096] In the 5G mobile communication system, a set of non-periodic resources with different time slot offsets can be configured for a single network device to carry reference signals. In this solution, only the reporting of the time domain characteristics of a single network device is considered, such as CSI feedback based on the Doppler codebook or TDCP reporting, and the configuration of resources carrying reference signals in the scenario of coherent transmission of multiple network devices is not considered. Among them, the bandwidth and occupied frequency domain resources of different resources in the non-periodic resource set are the same. In the coherent joint transmission scenario, when measuring time offset and / or frequency offset, each of the multiple network devices is required to send multiple reference signals. The reference signal needs to occupy the entire bandwidth used for transmission according to the pre-configured frequency domain interval. If the solution in the 5G mobile communication system is directly used, that is, all resources in the resource set corresponding to each network device need to be configured with the same frequency domain bandwidth and frequency domain occupancy unit, it will result in large resource overhead and reduce spectrum efficiency.

[0097] The technical solution in this application will be described below with reference to the accompanying drawings.

[0098] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as wireless fidelity (WiFi) systems, vehicle to everything (V2X) communication systems, device-to-device (D2D) communication systems, Internet of Vehicles communication systems, 4th generation (4G) mobile communication systems, such as long term evolution (LTE) systems, world-wide interoperability for microwave access (WiMAX) communication systems, fifth generation (5G) mobile communication systems, such as new radio (NR) systems, and future communication systems, such as sixth generation (6G) mobile communication systems.

[0099] This application will present various aspects, embodiments, or features in the context of systems that may include multiple devices, components, modules, etc. It should be understood and appreciated that each system may include additional devices, components, modules, etc., and / or may not include all of the devices, components, modules, etc. discussed in conjunction with the figures. Furthermore, combinations of these aspects may also be used.

[0100] Additionally, in the embodiments of this application, words such as "exemplarily" and "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as an "exemplary" should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of the word "exemplary" is intended to present concepts in a concrete manner.

[0101] First, in this application, "used to indicate" can include being used for direct indication and being used for indirect indication. When describing a certain "information" as being used to indicate A, it can include whether the information directly indicates A or indirectly indicates A, but it does not necessarily mean that the information contains A.

[0102] The information indicated by a message is called information to be indicated. In the specific implementation process, there are many ways to indicate the information to be indicated, such as but not limited to, the information to be indicated can be directly indicated, such as the information to be indicated itself or the index of the information to be indicated. The information to be indicated can also be indirectly indicated by indicating other information, where there is an association between the other information and the information to be indicated. It is also possible to indicate only a part of the information to be indicated, while the other parts of the information to be indicated are known or agreed in advance. For example, the indication of specific information can be achieved by means of the arrangement order of each piece of information agreed in advance (such as specified in the protocol), thereby reducing the indication overhead to a certain extent. At the same time, the common parts of each piece of information can be identified and indicated uniformly to reduce the indication overhead caused by indicating the same information separately.

[0103] In addition, the specific indication method can also be various existing indication methods, such as but not limited to the above-mentioned indication methods and various combinations thereof. The specific details of the various indication methods can be referred to the prior art and will not be repeated herein. As can be seen from the above, for example, when it is necessary to indicate multiple information of the same type, there may be a situation where the indication methods for different information are different. In the specific implementation process, the required indication method can be selected according to specific needs. The embodiment of the present application does not limit the selected indication method. In this way, the indication method involved in the embodiment of the present application should be understood to cover various methods that can enable the party to be indicated to obtain the information to be indicated.

[0104] The information to be indicated can be sent as a whole, or divided into multiple sub-information and sent separately, and the sending period and / or sending time of these sub-information can be the same or different. The specific sending method is not limited in this application. Among them, the sending period and / or sending time of these sub-information can be predefined, for example, predefined according to the protocol, or configured by the transmitting device by sending configuration information to the receiving device. Among them, the configuration information can, for example, but not limited to, include one or a combination of at least two of radio resource control (RRC) signaling, medium access control (MAC) layer signaling and physical layer signaling. Among them, MAC layer signaling, for example, includes MAC control element (CE); physical (PHY) layer signaling, for example, includes downlink control information (DCI).

[0105] Second, in the embodiments shown below, the first, second, and various numerical numbers are only used for the convenience of description and are not intended to limit the scope of the embodiments of the present application.

[0106] Third, “pre-set”, or “pre-defined”, or “pre-configured” can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal and a network device), or can be pre-specified in a protocol, and this application does not limit its specific implementation method. Among them, “saving” can mean saving in one or more memories. The one or more memories can be set separately, or integrated in an encoder or decoder, a processor, or a communication device. The one or more memories can also be partially set separately, and partially integrated in a decoder, a processor, or a communication device. The type of memory can be any form of storage medium, and this application does not limit it.

[0107] Fourth, the “protocol” involved in the embodiments of the present application may refer to a standard protocol in the field of communications, for example, it may include 3GPP’s LTE protocol (such as technical specification (TS) 36, i.e., TS36 series technical specifications), NR protocol (such as TS38 series technical specifications) and related protocols used in future communication systems. This application does not limit this.

[0108] The network architecture and business scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. Ordinary technicians in this field will know that with the evolution of network architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0109] The network architecture and business scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. Ordinary technicians in this field will know that with the evolution of network architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0110] To facilitate understanding of the embodiments of the present application, a communication system applicable to the embodiments of the present application is first described in detail using the communication system shown in Figure 4 as an example. For example, Figure 4 is a schematic diagram of the architecture of a communication system applicable to the method provided in the embodiments of the present application.

[0111] As shown in FIG4 , the communication system includes network equipment and terminals.

[0112] For example, the network devices may include network devices 401a to 401b, and the terminals may include terminals 402a to 402e. The terminals may be connected to the network devices wirelessly, and the network may be connected to the core network (not shown in FIG4 ) via wired or wireless means.

[0113] The coverage area of ​​network device 401a is area 1, the coverage area of ​​network device 401b is area 2, terminals 402a to 302d are located in area 1, and terminals 402a, 402b, and 402e are located in area 2. Terminals 402a and 402b are located in the overlapping area of ​​area 1 and area 2. For terminals (terminal 402a or terminal 402b) in the overlapping area of ​​area 1 and area 2, network devices 401a and 401b can perform coordinated transmission. For terminals in area 1 (such as terminal 402c or terminal 402d), network device 401a can perform non-coordinated transmission. For terminals in area 2 (such as terminal 402e), network device 401a can perform non-coordinated transmission.

[0114] A terminal may be a terminal with transceiver functions, or may be a chip or chip system provided in the terminal. The terminal may also be referred to as terminal equipment, user equipment (UE), access terminal, subscriber unit (subscriber unit), user station, mobile station (MS), mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device. The terminal in the embodiments of the present application can be a mobile phone, a cellular phone, a smart phone, a tablet computer, a wireless data card, a personal digital assistant (PDA), a wireless modem, a handheld device (handset), a laptop computer, a machine type communication (MTC) terminal, a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, a smart home device (for example, a refrigerator, a television, an air conditioner, an electric meter, etc.), an intelligent robot, a robotic arm, a workshop equipment, a wireless terminal in unmanned driving, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in telemedicine, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, a vehicle-mounted terminal, a roadside unit with terminal function, a roadside control unit (ROU), ... unit, RSU), etc., flying equipment (for example, intelligent robots, hot air balloons, drones, airplanes), etc. The terminal of the present application may also be an on-board module, on-board module, on-board component, on-board chip or on-board unit that is built into the vehicle as one or more components or units. The terminal may also be other devices with terminal functions. For example, the terminal may also be a device that serves as a terminal function in D2D communication. The embodiments of the present application do not limit the device form of the terminal. The device for realizing the function of the terminal may be a terminal; it may also be a device that can support the terminal to realize the function, such as a chip system. The device can be installed in the terminal or used in combination with the terminal. In the embodiments of the present application, the chip system may be composed of chips, or may include chips and other discrete devices.

[0115] The network device may be a device with wireless transceiver functions, or may be a chip or chip system provided in the device, located in the access network (AN) of the communication system, and used to provide access services to the terminal. For example, the network device may be referred to as a radio access network (RAN) device, and may specifically be an access network device of the next generation mobile communication system, such as 6G, such as a 6G base station. In the next generation mobile communication system, the network device may also have other naming methods, all of which are included in the scope of protection of the embodiments of this application, and this application does not impose any limitation on this. Alternatively, the network device may include 5G, such as a gNB in ​​a new radio (NR) system, or one or a group of antenna panels (including multiple antenna panels) of a base station in 5G, or a network node constituting a gNB, a transmission and reception point (TRP or TP), or a transmission measurement function (TMF), such as a central unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), a radio unit (RU), an RSU with base station functions, a wired access gateway, or a 5G core network element. Alternatively, the network device may include an access point (AP) in a wireless fidelity (WiFi) system, a wireless relay node, a wireless backhaul node, various types of macro base stations, micro base stations (also known as small cells), relay stations, access points, wearable devices, vehicle-mounted devices, and the like.

[0116] Among them, the CU and DU can be set separately, or can also 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 unit (AAU) or a remote radio head (RRH). It can be understood that the network device can be a CU node, a DU node, or a device including a CU node and a DU node. In addition, the CU can be divided into a network device in the access network RAN, or the CU can be divided into a network device in the core network CN, which is not limited here. In different systems, 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 the ORAN system, the CU can also be called O-CU (Open CU), the DU can also be called O-DU, the CU-CP can also be called O-CU-CP, the CU-UP can also be called O-CU-UP, and the RU can also be called O-RU. For the convenience of description, this application uses CU, CU-CP, CU-UP, DU and RU as examples for description. Any of the CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module. In the embodiment of the present application, the form of the network device is not limited. The device for implementing the function of the network device can be a network device; it can also be a device that can support the network device to implement the function, such as a chip system. The device can be installed in the network device or used in combination with the network device.

[0117] As shown in Figure 5 , the network device includes an RRC signaling interaction module (RRC in Figure 5 ), a MAC signaling interaction module (MAC in Figure 5 ), and a PHY signaling and data interaction module (PHY in Figure 5 ). The terminal also includes an RRC signaling interaction module, a MAC signaling interaction module, and a PHY signaling and data interaction module.

[0118] The network device and the terminal can exchange RRC signaling through the RRC signaling interaction module. The network device and the terminal can exchange media access control element (MAC CE) signaling through the MAC signaling interaction module. The network device and the terminal can exchange one or more of the following through the PHY interaction module: uplink control signaling, downlink control signaling (such as DCI), uplink data, and downlink data.

[0119] It should be noted that the channel state information reporting method provided in the embodiment of the present application can be applied between the nodes shown in Figure 4. For specific implementation, please refer to the following method embodiment, which will not be repeated here.

[0120] It should be noted that the solutions in the embodiments of the present application can also be applied to other communication systems, and the corresponding names can also be replaced by the names of corresponding functions in other communication systems.

[0121] It should be understood that FIG4 is only a simplified schematic diagram for ease of understanding, and the communication system may also include other network devices and / or other terminals, which are not shown in FIG4 .

[0122] The channel state information reporting method provided by the embodiment of the present application will be described in detail below with reference to Figures 6 to 9. For example, Figure 6 is a flow chart of the resource configuration method provided by the embodiment of the present application. The resource configuration method can be applied to the communication between any two nodes shown in Figure 4.

[0123] As shown in FIG6 , the resource configuration method includes the following steps:

[0124] S601: A second device among a plurality of second devices sends first information, and correspondingly, the first device receives the first information.

[0125] The first information is used to indicate multiple resource sets, and each resource set of the multiple resource sets includes multiple resources. The multiple resources of each resource set include first-category resources and second-category resources, and the frequency domain density of the first-category resources is different from the frequency domain density of the second-category resources, and / or the bandwidth of the first-category resources is different from the bandwidth of the second-category resources. In other words, there are at least two resources with different frequency domain densities among the multiple resources of each resource set, and / or there are at least two resources with different bandwidths among the multiple resources of each resource set. It is understandable that the resource set may also include at least one other type of resource in addition to the first-category resources and the second-category resources. The frequency domain density and / or bandwidth of any two types of resources in the same resource set are different. For example, the resource set may also include a third type of resource, wherein the frequency domain density and / or bandwidth of the third type of resource are different from those of the first type of resource, and the frequency domain density and / or bandwidth of the third type of resource are different from those of the second type of resource. For ease of understanding, the first type of resource and the second type of resource are used as examples in the subsequent embodiments.

[0126] For resources in the same resource set, if two resources have different frequency domain densities and / or different bandwidths, the two resources are different types of resources. In addition, in the embodiments of the present application, unless otherwise specified, a resource set refers to a resource set in multiple resource sets, and no further description will be given later.

[0127] A resource set refers to a set of multiple resources used to carry reference signals. A resource may also be called a reference signal resource, and a resource set may also be called a reference signal resource set. A resource set may include multiple resources, and each resource requires frequency domain resource configuration and time domain resource configuration. Each resource set in the multiple resource sets may be used to carry reference signals. In some possible implementations, the multiple resource sets include N resource sets, and the nth resource set in the multiple resource sets includes K n resources. Among them, N, n, K n are all positive integers, 1≤n≤N, and K n >1. It can be understood that in the embodiment of the present application, the nth resource set is only used to distinguish different resource sets, and does not limit the frequency domain position or time domain position of the resource set.

[0128] In some possible implementations, one resource set in the multiple resource sets corresponds to one second device in the multiple second devices, and different resource sets in the multiple resource sets correspond to different second devices. Any one of the multiple resource sets can be used to carry a reference signal sent by the second device corresponding to the resource set. For example, assuming that the multiple second devices include four second devices, namely, second devices 1 to second devices 4, and the multiple resource sets include four resource sets, namely, resource sets 1 to resource sets 4, wherein second device 1 corresponds to resource set 1, second device 2 corresponds to resource set 2, second device 3 corresponds to resource set 3, and second device 4 corresponds to resource set 4.

[0129] The frequency domain density of a resource may be the ratio of the number of resource elements (REs) occupied by the resource in the RB set occupied by the resource to the number of ports corresponding to the REs occupied by reference signals (RSs) in the RB set, and the number of RBs in the RB set. The RB set includes one or more RBs.

[0130] In one possible implementation, the frequency domain density of the RS resource may satisfy the relationship shown in the following formula (10): ρ = r1 / p1 / r2; (10)

[0131] Wherein, ρ represents the frequency domain density of RS resources, r1 represents the number of REs occupied by RS in the RB set, p1 represents the number of ports corresponding to the REs occupied by RS in the RB set, and r2 represents the number of RBs in the RB set.

[0132] For example, if the number of RBs in an RB set occupied by RS resources is 2, the number of REs occupied by RS in the RB set is 48, and the number of ports corresponding to the REs occupied by RS in the RB set is 24, then the frequency domain density of the RS resources is 1. If the number of RBs in an RB set occupied by RS resources is 2, the number of REs occupied by RS in the RB set is 24, and the number of ports corresponding to the REs occupied by RS in the RB set is 24, then the frequency domain density of the RS resources is 0.5.

[0133] The bandwidth of a resource refers to the bandwidth occupied by the resource, or the frequency domain width of the resource. The bandwidth of the first type of resource refers to the bandwidth occupied by the first type of resource, and the bandwidth of the second type of resource refers to the bandwidth occupied by the second type of resource.

[0134] In one possible implementation, the bandwidth of a resource may be the total bandwidth of the RBs occupied by the resource. For example, if a resource occupies five RBs, then the bandwidth of each RB occupied by the resource is the total bandwidth of five RBs. For another example, if a resource occupies ten RBs, then the bandwidth of the resource is the total bandwidth of ten RBs. It should be understood that the bandwidth used here is for example purposes only. In actual implementations, the bandwidth may have other possible values, which are not described in detail here.

[0135] The frequency domain density of the first type of resources is different from the frequency domain density of the second type of resources, and / or the bandwidth of the first type of resources is different from the bandwidth of the second type of resources, which means: the frequency domain density of the first type of resources is different from the frequency domain density of the second type of resources; or the bandwidth of the first type of resources is different from the bandwidth of the second type of resources; or the frequency domain density of the first type of resources is different from the frequency domain density of the second type of resources, and the bandwidth of the first type of resources is different from the bandwidth of the second type of resources. Therefore, in the same resource set, two different types of resources have at least different frequency domain densities or at least different bandwidths.

[0136] For ease of understanding, the following combines multiple resource sets including N resource sets, and the nth resource set of the multiple resource sets includes K n Taking a resource as an example, the resources in a resource collection and the resources in multiple resource collections are explained in different situations.

[0137] In case 1, the frequency domain density of the first type of resources is different from the frequency domain density of the second type of resources.

[0138] In one possible implementation, the K of the nth resource set n The resources include K n -m n first-class resources and m n The second type of resources, K n -m nThe frequency domain density of the first-class resources is the same, and K n -m n The frequency domain density of the first type of resources and m n The frequency domain density of the second type of resources is different. n is a positive integer, 1≤m n <K n It can be seen that, for any one of the multiple resource sets, the frequency domain densities of the first type of resources and the second type of resources are different.

[0139] Since the accuracy of time offset measurement is related to the frequency domain density, in order to reduce resource overhead, the accuracy of time offset measurement can be achieved by configuring some resources with high frequency domain density. n =1, that is, the frequency domain density of one resource is greater than that of other resources. In this case, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 The frequency domain density of the first type of resources is the same, and K n -The frequency domain density of one first-class resource is different from the frequency domain density of one second-class resource. n In other words, for any one of the multiple resource sets, the resource set includes one second-category resource, and the resources in the resource set other than the second-category resource are first-category resources.

[0140] The following uses resource sets 1 to 4 as examples.

[0141] As shown in Figure 7, assume that resource set 1 includes two resources, resource set 2 includes three resources, resource set 3 includes five resources, and resource set 4 includes six resources. As shown in Figure 7(a), for resource set 1, resource set 1 includes one first-category resource (with a frequency domain density of frequency domain density A1) and one second-category resource (with a frequency domain density of frequency domain density B1). As shown in Figure 7(b), for resource set 2, it includes two first-category resources (with a frequency domain density of frequency domain density A2) and one second-category resource (with a frequency domain density of frequency domain density B2). As shown in Figure 7(c), for resource set 3, it includes four first-category resources (with a frequency domain density of frequency domain density A3) and one second-category resource (with a frequency domain density of frequency domain density B3). As shown in Figure 7(d), for resource set 4, resource set 2 includes five first-category resources (with a frequency domain density of frequency domain density A4) and one second-category resource (with a frequency domain density of frequency domain density B4). The frequency domain density of the resources here is only used as an example and will not be described in detail.

[0142] In this way, resources with different frequency domain densities can be configured in the same resource set to reduce resource overhead. In one possible implementation, the frequency domain density of the first type of resources can be smaller than the frequency domain density of the second type of resources.

[0143] Taking resource sets 1 to 4 in Figure 7 as examples, for resource set 1, the frequency domain density A1 is less than the frequency domain density B1; for resource set 2, the frequency domain density A2 is less than the frequency domain density B2; for resource set 3, the frequency domain density A3 is less than the frequency domain density B3; for resource set 4, the frequency domain density A4 is less than the frequency domain density B4.

[0144] In this way, the size of the resources in the nth resource set can be further reduced, thereby further reducing resource overhead.

[0145] The REs occupied by each resource in the resource set in its corresponding RB are described below in conjunction with the resources in the corresponding RB.

[0146] As shown in Figure 8 (a), assume that a resource set includes resources s to s+2, where resource s is a second-category resource, resources s+1 and s+2 are first-category resources, the frequency domain density of first-category resources is 0.25, and the frequency domain density of second-category resources is 0.5. Then, as shown in Figure 8 (b), the interval between REs occupied by a port in the RB corresponding to resource s is 1 RE, and the interval between REs occupied by a port in the RB corresponding to resource s+1 and the RB corresponding to resource s+2 is 3 REs. Here, s is an integer.

[0147] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same frequency domain density, and the second type of resources in different resource sets of the multiple resource sets may have the same frequency domain density.

[0148] Taking the example of multiple resource sets including resource set 1 to resource set 4 in Figure 7, it is assumed that each resource set in resource set 1 to resource set 4 includes first-class resources and second-class resources. Then, the frequency domain density of the first-class resources in resource set 1, the first-class resources in resource set 2, the first-class resources in resource set 3, and the first-class resources in resource set 4 is the same. Similarly, the frequency domain density of the second-class resources in resource set 1, the second-class resources in resource set 2, the second-class resources in resource set 3, and the second-class resources in resource set 4 is the same. In this case, the frequency domain density A1, the frequency domain density A2, the frequency domain density A3, and the frequency domain density A4 are all equal, and the frequency domain density B1, the frequency domain density B2, the frequency domain density B3, and the frequency domain density B4 are all equal.

[0149] It should be understood that in some other possible implementations, the first type of resources in different resource sets of the multiple resource sets may have the same frequency domain density. In some other possible implementations, the second type of resources in different resource sets of the multiple resource sets may have the same frequency domain density.

[0150] Based on the implementation of Case 1, the frequency domain configurations of resource sets of different network devices in the multiple network devices can be consistent, so that under the same quantitative feedback scheme, the measurement and feedback accuracy of each network device in the multiple network devices can be consistent.

[0151] Case 2: The bandwidth of the first type of resources is different from the bandwidth of the second type of resources.

[0152] In one possible implementation, the K of the nth resource set n The resources include K n -m n first-class resources and m n The second type of resources, K n -m n The bandwidth of the first-class resources is the same, and K n -m n The bandwidth of the first-class resources and m n The bandwidth of the second type of resources is different. n is a positive integer, 1≤m n <K n It can be seen that, for any one of the multiple resource sets, the bandwidth of the first type of resources is different from that of the second type of resources.

[0153] Since the accuracy of time offset measurement is related to bandwidth, in order to reduce resource overhead, the accuracy of time offset measurement can be achieved by configuring some large bandwidth resources. n =1, that is, the bandwidth of one resource is configured to be larger than the bandwidth of other resources. In this case, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 first-class resource has the same bandwidth, and K n The bandwidth of one Class 1 resource is different from the bandwidth of one Class 2 resource. This means that the bandwidths of the Class 1 and Class 2 resources in each resource set are different. Each resource set includes one Class 2 resource, and all other resources in the set, excluding the Class 2 resource, are Class 1 resources. This means that resources with different bandwidths can be configured in the same resource set to reduce resource overhead.

[0154] The following uses resource sets 1 to 4 as examples.

[0155] As shown in Figure 9, assume that resource set 1 includes two resources, resource set 2 includes three resources, resource set 3 includes five resources, and resource set 4 includes six resources. As shown in Figure 9(a), resource set 1 includes one first-class resource (with bandwidth C1) and one second-class resource (with bandwidth D1). As shown in Figure 9(b), resource set 2 includes two first-class resources (with bandwidth C2) and one second-class resource (with bandwidth D2). As shown in Figure 9(c), resource set 3 includes four first-class resources (with bandwidth C3) and one second-class resource (with bandwidth D3). As shown in Figure 9(d), resource set 4 includes five first-class resources (with bandwidth C4) and one second-class resource (with bandwidth D4). The bandwidths of the resources are used for example only and are not detailed here.

[0156] In a possible implementation, the bandwidth of the first type of resources may be smaller than the bandwidth of the second type of resources.

[0157] Taking resource sets 1 to 4 in Figure 9 as examples, for resource set 1, bandwidth C1 is smaller than bandwidth D1; for resource set 2, bandwidth C2 is smaller than bandwidth D2; for resource set 3, bandwidth C3 is smaller than bandwidth D3; for resource set 4, bandwidth C4 is smaller than bandwidth D4.

[0158] In this way, the size of the resources in the nth resource set can be further reduced, thereby further reducing resource overhead.

[0159] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same bandwidth, and the second type of resources in different resource sets of the multiple resource sets may have the same bandwidth.

[0160] Taking the example of multiple resource sets including resource sets 1 to 4 in Figure 9, assume that each of resource sets 1 to 4 includes first-category resources and second-category resources. Then, the bandwidths of the first-category resources in resource set 1, the first-category resources in resource set 2, the first-category resources in resource set 3, and the first-category resources in resource set 4 are the same. Similarly, the bandwidths of the second-category resources in resource set 1, the second-category resources in resource set 2, the second-category resources in resource set 3, and the second-category resources in resource set 4 are the same. In this case, bandwidths C1, C2, C3, and C4 are all equal, and bandwidths D1, D2, D3, and D4 are all equal.

[0161] It should be understood that in another possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same bandwidth. In yet another possible implementation, the second type of resources in different resource sets of the multiple resource sets may have the same bandwidth.

[0162] Based on the implementation of Case 2, the bandwidth configurations of resource sets of different network devices among multiple network devices are more consistent, which can make the bandwidth configurations of reference signals sent by different network devices more consistent, thereby further improving the accuracy of measurement results.

[0163] In case 3, the frequency domain density of the first type of resources is different from the frequency domain density of the second type of resources, and the bandwidth of the first type of resources is different from the bandwidth of the second type of resources.

[0164] For the implementation of Case 3, please refer to the introduction of Case 1 and Case 2, which will not be elaborated here.

[0165] In one possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same REs in their respective corresponding RBs. In other words, each resource in the resource set uses the same frequency domain resource mapping method in the RB. That is, when a reference signal is transmitted in the RB occupied by the resource, the frequency domain resource mapping position of the reference signal on the RB where the reference signal exists in each resource is the same. It can be understood that in this case, the frequency domain allocation (frequencyDomainAllocation) configuration in the higher-level parameters corresponding to each resource is the same.

[0166] The RB corresponding to the resource refers to the RB to which the reference signal is mapped when the reference signal is transmitted. For example, if the resources occupy RB0 to RB6, and reference signals are transmitted on RB1 and RB3, then the RBs corresponding to the resource include RB1 and RB3.

[0167] Assume that one of the multiple resource sets includes three resources, resource 1 to resource 3. When the reference signal is transmitted, it is mapped to the qth RE in the RB corresponding to resource 1, mapped to the qth RE in the RB corresponding to resource 2, and mapped to the qth RE in the RB corresponding to resource 3. Alternatively, when the reference signal is transmitted, it is mapped to the qth to q+2th REs in the RB corresponding to resource 1, mapped to the qth to q+2th REs in the RB corresponding to resource 2, and mapped to the qth to q+2th REs in the RB corresponding to resource 3.

[0168] In this way, the frequency domain positions, such as subcarriers, occupied by different resources in the same resource set are the same. This can reduce the impact of time offset and improve the accuracy of frequency offset measurement.

[0169] In a possible implementation, resources in any two resource sets of the multiple resource sets may occupy the same REs in their respective corresponding RBs.

[0170] In multiple resource sets, the frequency domain mapping location of the reference signal on the resources in two different resource sets is the same. Taking multiple resource sets including resource set 1 and resource set 2 as an example, each resource in resource set 1 occupies the rth RE in the RB corresponding to the resource, and each resource in resource set 2 occupies the rth RE in the RB corresponding to the resource.

[0171] That is to say, the frequency domain positions occupied by different resources in the same resource set, such as subcarriers, are the same. This can reduce the impact of time offset and improve the accuracy of frequency offset measurement.

[0172] In one possible implementation, the time intervals between any two adjacent resources in any resource set of the multiple resource sets may be the same. Adjacent resources refer to resources that are adjacent in time domain location, and no resource in a resource set exists between any two adjacent resources in the resource set.

[0173] Assume that one of the multiple resource sets includes three resources, resource 1 to resource 3, and the time domain position of resource 1 is before the time domain position of resource 2, and the time domain position of resource 2 is before the time domain position of resource 3. Then, the time interval between resource 1 and resource 2 is T1, and the time interval between resource 2 and resource 3 is also T1. It should be understood that the time interval between two adjacent resources may refer to the time length between the start symbols of the two resources, or the time length between the end symbols of the two resources, or the time length between the time domain start moments of the two resources, or the time length between the end moments of the two resources, in the embodiment of the present application. Optionally, the time interval can be represented by a symbol.

[0174] In this way, the measurement complexity can be reduced.

[0175] In one possible implementation, the time interval between any two adjacent resources among the multiple resources of the first resource set and the time interval between any two adjacent resources among the multiple resources of the second resource set are the same; wherein, the first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set.

[0176] That is, the time interval between any two adjacent resources in one resource set of the multiple resource sets may be the same as the time interval between any two adjacent resources in another resource set of the multiple resource sets.

[0177] The following example illustrates this: assuming that the multiple resource sets include resource set 1 and resource set 2, then the time interval between any two adjacent resources in resource set 1 is the same as the time interval between any two adjacent resources in resource set 2.

[0178] In this way, the measurement complexity can be reduced.

[0179] In one possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same symbols in their respective corresponding time domain units. In other words, among the multiple resources of any one of the multiple resource sets, any two different resources may have the same time offset and number of symbols in their respective corresponding time domain units. A time domain unit may include one or more time slots, or one or more mini-time slots, or one or more symbols.

[0180] The time domain unit corresponding to the resource refers to the time domain unit where the symbol occupied by the resource is located.

[0181] The following example illustrates this. Assume that the resource set includes three resources, resource 1 to resource 3. Resource 1 corresponds to time domain unit 1, resource 2 corresponds to time domain unit 2, and resource 3 corresponds to time domain unit 3. Resource 1 occupies the third symbol in time domain unit 1, resource 2 occupies the third symbol in time domain unit 2, and resource 3 occupies the third symbol in time domain unit 3.

[0182] In a possible implementation, the symbols occupied by the resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units may be the same.

[0183] The following example illustrates this. Assume that multiple resource sets include resource set 1 and resource set 2, where resource set 2 includes resources 1 to 3, a total of resources, and resource set 2 includes two resources, resources 4 and 5, a total of two resources. The time domain units corresponding to resources 1 to 5 are time domain units 1 to 5, respectively. Then, resource 1 occupies the third symbol in time domain unit 1, resource 2 occupies the third symbol in time domain unit 2, resource 3 occupies the third symbol in time domain unit 3, resource 4 occupies the third symbol in time domain unit 4, and resource 5 occupies the third symbol in time domain unit 5.

[0184] It should be understood that the first device may be a terminal in the communication system provided in FIG. 4 , and each of the second devices may be a network device in the communication system provided in FIG. 4 .

[0185] S602: Each of the plurality of second apparatuses transmits a reference signal on a respective resource set in the plurality of resource sets. Correspondingly, the first apparatus receives the plurality of reference signals.

[0186] Different second devices in the plurality of second apparatuses transmit reference signals on different resource sets, or in other words, reference signals of different second devices are carried on different resource sets. For example, each second device in the plurality of second apparatuses corresponds one-to-one to a resource set in the plurality of resource sets, and a second device transmits a reference signal on the resource set corresponding to the second device. The plurality of reference signals includes a reference signal carried on each resource set in the plurality of resource sets.

[0187] The resource sets for sending reference signals by different second devices among the multiple second devices may be configured by a third device, or may be configured by one of the multiple second devices, which is not limited in this embodiment of the present application.

[0188] In a possible implementation, the first device may determine the time offset and / or frequency offset based on multiple received reference signals. In this case, the method provided in FIG. 6 may further include S603.

[0189] S603: The first device sends second information. Correspondingly, at least one second device among the plurality of second devices receives the second information.

[0190] In a possible implementation, the second information is used to indicate a time offset and / or a frequency offset, where the time offset and / or the frequency offset is measured based on multiple reference signals.

[0191] It should be understood that the time offset indicated by the second information may include the time offset between each second device in the plurality of second devices and the first device.

[0192] The frequency offset indicated by the second information refers to the frequency offset between each of the plurality of second devices and the first device.

[0193] Based on the second information, at least some of the plurality of second devices may perform phase compensation.

[0194] Taking the example of multiple second devices including second device 1 and second device 2, phase compensation can be performed by second device 1 or second device 2. Alternatively, phase compensation can be performed by second device 1 and second device 2 together.

[0195] In which case, when the second information is used to indicate a time offset and / or a frequency offset, the phase difference that needs to be compensated can be calculated by the second device.

[0196] Example 1: Assuming that the second device receiving the second information is the second device 1, the second device 1 can calculate the phase difference between the second device 1 and the second device 2 caused by the frequency offset according to the principle of formula (5), and / or can calculate the phase difference between the second device 1 and the second device 2 caused by the time offset, and perform phase compensation based on the total phase difference between the second device 1 and the second device 2. Wherein, the second device 1 corresponds to the network device 101a in the relevant description of formula (7), and the second device 2 corresponds to the network device 101b in the relevant description of formula (7). For example, if the difference between the phase of the reference signal sent by the second device 1 generated at the first device and the phase of the reference signal sent by the second device 2 is If the second device 1 performs phase compensation, the signal received by the first device satisfies the relationship shown in the above formula (7), where:

[0197] Optionally, the second device 1 calculates After that, the information instruction can also be sent to the second device 2 In this case, the second device 2 can perform phase compensation. When the second device 2 performs phase compensation, the signal received by the first device satisfies the relationship shown in the following formula (11):

[0198] Alternatively, the second device 1 and the second device 2 may perform phase compensation together. For example, when the second device 1 and the second device 2 perform phase compensation together, the signal received by the first device satisfies the relationship shown in the following formula (11):

[0199] In Example 2, assuming that the second device receiving the second information is second device 1, based on the second information, second device 1 can calculate the phase difference between the phase of the reference signal of second device 1 at the first moment and the phase of the reference signal of second device 2 at the first moment, and perform phase compensation based on this phase difference. In this case, the principle of phase compensation is similar to that in Example 1 above and is not further described.

[0200] When the number of multiple second devices is greater than two, the principles of measuring frequency offset and / or time offset and performing phase compensation are similar to those for two second devices and are not described in detail here. In some possible implementations, the second information is used to indicate the corresponding phase change between reference signals in the reference signals carried on multiple resource sets. The phase change can be determined based on the time offset and / or frequency offset. In this case, the principle of performing phase compensation can be referred to the relevant description of Example 1 and is not described here in detail.

[0201] Based on the method provided in the first aspect, the first device can receive the first information and receive reference signals on multiple resource sets based on the first information, wherein each resource set in the multiple resource sets includes first-type resources and second-type resources, that is, the resources in the resource set are configured with different frequency domain densities and / or bandwidths. In this way, some resources in the resource set can be configured with smaller frequency domain density and / or smaller bandwidth, thereby reducing the resources occupied by the reference signal and reducing resource overhead.

[0202] It should be understood that since the accuracy of time deviation measurement is related to the frequency domain bandwidth and frequency domain density, in an embodiment of the present application, one of the first and second types of resources can be configured as a resource with a larger frequency domain density and / or bandwidth, so that the accuracy of time deviation measurement can be taken into account.

[0203] The resource configuration method provided in the embodiment of the present application is described in detail above in conjunction with Figures 6 to 9. The communication device for executing the resource configuration method provided in the embodiment of the present application is described in detail below in conjunction with Figures 10 and 11.

[0204] For example, Figure 10 is a structural diagram of a communication device according to an embodiment of the present application. As shown in Figure 10 , the communication device 1000 includes a processing module 1001 and a transceiver module 1002. For ease of illustration, Figure 10 only shows the main components of the communication device 1000.

[0205] In some embodiments, the communication device 1000 may be applicable to the communication system shown in FIG. 4 , and execute the functional resource configuration method of the first device in the resource configuration method shown in FIG. 6 .

[0206] The transceiver module 1002 is configured to receive first information.

[0207] The first information is used to indicate multiple resource sets, each of the multiple resource sets including multiple resources. The multiple resources in each resource set include first-category resources and second-category resources, the frequency domain density of the first-category resources is different from the frequency domain density of the second-category resources, and / or the bandwidth of the first-category resources is different from the bandwidth of the second-category resources.

[0208] The processing module 1001 is configured to determine a plurality of resource sets according to first information.

[0209] The transceiver module 1002 is further configured to receive multiple reference signals, including a reference signal carried on each resource set in the multiple resource sets.

[0210] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K nThe resources include K n -1 first-class resource and 1 second-class resource, K n -1 The frequency domain density of the first type of resources is the same, and K n -The frequency domain density of one first-class resource is different from the frequency domain density of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1.

[0211] In a possible implementation, the frequency domain density of the first type of resources may be smaller than the frequency domain density of the second type of resources.

[0212] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same frequency domain density, and the second type of resources in different resource sets of the multiple resource sets may have the same frequency domain density.

[0213] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 first-class resource has the same bandwidth, and K n -The bandwidth of one first-class resource is different from the bandwidth of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1.

[0214] In a possible implementation, the bandwidth of the first type of resources may be smaller than the bandwidth of the second type of resources.

[0215] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same bandwidth, and the second type of resources in different resource sets of the multiple resource sets may have the same bandwidth.

[0216] In a possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same REs in their respective corresponding resource blocks.

[0217] In a possible implementation, resources in any two resource sets of the multiple resource sets may occupy the same REs in their respective corresponding resource blocks.

[0218] In a possible implementation, among the multiple resources in any one of the multiple resource sets, the time intervals between any two adjacent resources may be the same.

[0219] In one possible implementation, the time interval between any two adjacent resources in a first resource set and the time interval between any two adjacent resources in a second resource set are the same. The first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set.

[0220] In a possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same symbol in their respective corresponding time domain units.

[0221] In a possible implementation, the symbols occupied by the resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units may be the same.

[0222] In a possible implementation, the transceiver module 1002 is further configured to send second information, wherein the second information is used to indicate a time offset and / or a frequency offset, and the time offset and / or the frequency offset are measured based on multiple reference signals.

[0223] Optionally, the transceiver module 1002 may include a receiving module and a sending module (not shown in FIG10 ). The transceiver module 1002 is used to implement the sending function and the receiving function of the communication device 1000 .

[0224] Optionally, the communication device 1000 may further include a storage module (not shown in FIG10 ) storing a program or instruction. When the processing module 1001 executes the program or instruction, the communication device 1000 may perform the function of the first device in any of the resource configuration methods shown in FIG6 .

[0225] It should be understood that the processing module 1001 involved in the communication device 1000 can be implemented by a processor or a processor-related circuit component, which can be a processor or a processing unit; the transceiver module 1002 can be implemented by a transceiver or a transceiver-related circuit component, which can be a transceiver or a transceiver unit.

[0226] It should be noted that the communication device 1000 can be a terminal or a network device, or a chip (system) or other parts or components that can be set in a terminal or a network device, or a device that includes a terminal or a network device. This application does not limit this.

[0227] In addition, the technical effects of the communication device 1000 can refer to the technical effects of the resource configuration method shown in any one of Figure 6, and will not be repeated here.

[0228] In some other embodiments, the communication device 1000 may be applicable to the communication system shown in FIG. 4 , and execute the functional resource configuration method of the second device in the resource configuration method shown in FIG. 6 .

[0229] Processing module 1001 is configured to generate first information and a reference signal, and transceiver module 1002 is configured to transmit the first information. The first information is configured to indicate multiple resource sets, each of which includes multiple resources. The multiple resources in each resource set include first-category resources and second-category resources, the frequency domain density of the first-category resources differs from the frequency domain density of the second-category resources, and / or the bandwidth of the first-category resources differs from the bandwidth of the second-category resources. The second device transmits a reference signal on one of the multiple resource sets.

[0230] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 The frequency domain density of the first type of resources is the same, and K n -The frequency domain density of one first-class resource is different from the frequency domain density of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1.

[0231] In a possible implementation, the frequency domain density of the first type of resources may be smaller than the frequency domain density of the second type of resources.

[0232] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same frequency domain density, and the second type of resources in different resource sets of the multiple resource sets may have the same frequency domain density.

[0233] In a possible implementation, the multiple resource sets include N resource sets, and the nth resource set in the N resource sets may include K n resources. Among them, K n The resources include K n -1 first-class resource and 1 second-class resource, K n -1 first-class resource has the same bandwidth, and K n -The bandwidth of one first-class resource is different from the bandwidth of one second-class resource. n are all positive integers, 1≤n≤N, and K n >1.

[0234] In a possible implementation, the bandwidth of the first type of resources may be smaller than the bandwidth of the second type of resources.

[0235] In a possible implementation, the first type of resources in different resource sets of the multiple resource sets may have the same bandwidth, and the second type of resources in different resource sets of the multiple resource sets may have the same bandwidth.

[0236] In a possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same REs in their respective corresponding resource blocks.

[0237] In a possible implementation, resources in any two resource sets of the multiple resource sets may occupy the same REs in their respective corresponding resource blocks.

[0238] In a possible implementation, among the multiple resources in any one of the multiple resource sets, the time intervals between any two adjacent resources may be the same.

[0239] In one possible implementation, the time interval between any two adjacent resources in a first resource set and the time interval between any two adjacent resources in a second resource set are the same. The first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set.

[0240] In a possible implementation, among the multiple resources of any one of the multiple resource sets, any two different resources may occupy the same symbol in their respective corresponding time domain units.

[0241] In a possible implementation, the symbols occupied by the resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units may be the same.

[0242] In one possible implementation, transceiver module 1002 is further configured to receive second information. The second information indicates a time offset and / or frequency offset, which is measured based on multiple reference signals. Optionally, transceiver module 1002 may include a receiving module and a transmitting module (not shown in FIG. 10 ). Transceiver module 1002 is configured to implement the transmitting and receiving functions of communication device 1000.

[0243] Optionally, the communication device 1000 may further include a storage module (not shown in FIG10 ) storing a program or instruction. When the processing module 1001 executes the program or instruction, the communication device 1000 may perform the function of the second device in any of the resource configuration methods shown in FIG6 .

[0244] It should be understood that the processing module 1001 involved in the communication device 1000 can be implemented by a processor or a processor-related circuit component, which can be a processor or a processing unit; the transceiver module 1002 can be implemented by a transceiver or a transceiver-related circuit component, which can be a transceiver or a transceiver unit.

[0245] It should be noted that the communication device 1000 can be a terminal or a network device, or a chip (system) or other parts or components that can be set in a terminal or a network device, or a device that includes a terminal or a network device. This application does not limit this.

[0246] In addition, the technical effects of the communication device 1000 can refer to the technical effects of the resource configuration method shown in any one of Figure 6, and will not be repeated here.

[0247] For example, FIG11 is a second structural diagram of a communication device provided in an embodiment of the present application. The communication device may be a terminal or a network device, or a chip (system) or other component or assembly that can be provided in a terminal or a network device. As shown in FIG11 , the communication device 1100 may include a processor 1101. Optionally, the communication device 1100 may further include a memory 1102 and / or a transceiver 1103. The processor 1101 is coupled to the memory 1102 and the transceiver 1103, such as by a communication bus.

[0248] The following is a detailed introduction to the various components of the communication device 1100 with reference to FIG11 :

[0249] The processor 1101 is the control center of the communication device 1100 and can be a single processor or a collective term for multiple processing elements. For example, the processor 1101 can be one or more central processing units (CPUs), an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application, such as one or more digital signal processors (DSPs) or one or more field programmable gate arrays (FPGAs).

[0250] Optionally, the processor 1101 may execute various functions of the communication device 1100 by running or executing a software program stored in the memory 1102 and calling data stored in the memory 1102 .

[0251] In a specific implementation, as an embodiment, the processor 1101 may include one or more CPUs, such as CPU0 and CPU1 shown in FIG11 .

[0252] In a specific implementation, as an embodiment, the communication device 1100 may also include multiple processors, such as the processor 1101 and the processor 1104 shown in FIG11 . Each of these processors may be a single-core processor (single-CPU) or a multi-core processor (multi-CPU). The processor herein may refer to one or more devices, circuits, and / or processing cores for processing data (e.g., computer program instructions).

[0253] Among them, the memory 1102 is used to store the software program for executing the solution of this application, and the execution is controlled by the processor 1101. The specific implementation method can refer to the above method embodiment and will not be repeated here.

[0254] Alternatively, the memory 1102 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type of dynamic storage device that can store information and instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, an optical disc storage (including a compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto. The memory 1102 may be integrated with the processor 1101 or exist independently and be coupled to the processor 1101 via an interface circuit (not shown in FIG. 11 ) of the communication device 1100, which is not specifically limited in this embodiment of the present application.

[0255] Transceiver 1103 is used for communication with other communication devices. For example, if communication device 1100 is a terminal, transceiver 1103 can be used to communicate with a network device or another terminal. For another example, if communication device 1100 is a network device, transceiver 1103 can be used to communicate with a terminal or another network device.

[0256] Optionally, the transceiver 1103 may include a receiver and a transmitter (not shown separately in FIG11 ), wherein the receiver is used to implement a receiving function, and the transmitter is used to implement a transmitting function.

[0257] Optionally, the transceiver 1103 may be integrated with the processor 1101 or exist independently and be coupled to the processor 1101 through an interface circuit (not shown in FIG. 11 ) of the communication device 1100 . This embodiment of the present application does not specifically limit this.

[0258] It should be noted that the structure of the communication device 1100 shown in FIG11 does not constitute a limitation on the communication device. An actual communication device may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0259] In addition, the technical effects of the communication device 1100 can refer to the technical effects of the resource configuration method described in the above method embodiment, and will not be repeated here.

[0260] It should be understood that the processor in the embodiments of the present application may be a CPU, but may also be other general-purpose processors, DSPs, ASICs, FPGAs, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor.

[0261] It should also be understood that the memory in the embodiments of the present application can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories. Among them, the non-volatile memory can be a ROM, a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an EEPROM, or a flash memory. The volatile memory can be a RAM, which is used as an external cache. By way of example but not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM).

[0262] The above embodiments can be implemented in whole or in part by software, hardware (such as circuits), firmware or any other combination. When implemented using software, the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center via a wired (such as infrared, wireless, microwave, etc.) method. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that contains one or more available media sets. The available medium can be a magnetic medium (for example, a floppy disk, a hard disk, a tape), an optical medium (for example, a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state drive.

[0263] It should be understood that the term "and / or" as used herein simply describes a relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A alone, A and B together, or B alone. A and B can be singular or plural. Furthermore, the character " / " as used herein generally indicates an "or" relationship between the associated objects, but it may also indicate an "and / or" relationship. For specific understanding, please refer to the context.

[0264] In this application, "at least one" means one or more, and "plurality" means two or more. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or plural.

[0265] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0266] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0267] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0268] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0269] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0270] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0271] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, 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 enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

[0272] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A resource configuration method, characterized in that: The method comprises: Receive first information; the first information is used to indicate multiple resource sets, each of the multiple resource sets including multiple resources; wherein the multiple resources in each resource set include first-category resources and second-category resources, the frequency domain density of the first-category resources is different from the frequency domain density of the second-category resources, and / or the bandwidth of the first-category resources is different from the bandwidth of the second-category resources; A plurality of reference signals are received according to the first information; the plurality of reference signals include a reference signal carried on each resource set in the plurality of resource sets.

2. The method according to claim 1, characterized in that The multiple resource sets include N resource sets, and the nth resource set in the N resource sets includes K n resources; wherein, the K n The resources include K n -1 first-class resource and 1 second-class resource, the K n -1 The frequency domain density of the first type of resources is the same, and the K n -The frequency domain density of one first-type resource is different from the frequency domain density of the one second-type resource; wherein N, n, K n are all positive integers, 1≤n≤N, and K n >1.

3. The method according to claim 1 or 2, characterized in that The frequency domain density of the first type of resources is smaller than the frequency domain density of the second type of resources.

4. The method according to any one of claims 1 to 3, characterized in that The first type of resources in different resource sets among the multiple resource sets have the same frequency domain density, and the second type of resources in different resource sets among the multiple resource sets have the same frequency domain density.

5. The method according to any one of claims 1 to 4, characterized in that The multiple resource sets include N resource sets, and the nth resource set in the N resource sets includes K n resources; wherein, the K n The resources include K n -1 first-class resource and 1 second-class resource, the K n -1 first-class resources have the same bandwidth, and the K n -The bandwidth of one first-class resource is different from the bandwidth of the one second-class resource; wherein N, n, K n are all positive integers, 1≤n≤N, and K n >1.

6. The method according to any one of claims 1 to 5, characterized in that The bandwidth of the first type of resources is smaller than the bandwidth of the second type of resources.

7. The method according to any one of claims 1 to 6, characterized in that The first-type resources in different resource sets among the multiple resource sets have the same bandwidth, and the second-type resources in different resource sets among the multiple resource sets have the same bandwidth.

8. The method according to any one of claims 1 to 7, characterized in that Among the multiple resources of any one of the multiple resource sets, any two different resources occupy the same resource units RE in their respective corresponding resource blocks.

9. The method according to any one of claims 1 to 8, characterized in that The resources in any two resource sets of the multiple resource sets occupy the same resource units RE in their respective corresponding resource blocks.

10. The method according to any one of claims 1 to 9, characterized in that Among the multiple resources in any one of the multiple resource collections, the time interval between any two adjacent resources is the same.

11. The method according to any one of claims 1 to 10, characterized in that The time interval between any two adjacent resources among the multiple resources of the first resource set and the time interval between any two adjacent resources among the multiple resources of the second resource set are the same; wherein, the first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set.

12. The method according to any one of claims 1 to 11, characterized in that Among the multiple resources of any one of the multiple resource sets, any two different resources occupy the same symbol in their respective corresponding time domain units.

13. The method according to any one of claims 1 to 12, characterized in that The symbols occupied by resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units are the same.

14. The method according to any one of claims 1 to 13, characterized in that The method further comprises: Sending second information; wherein the second information is used to indicate a time offset and / or a frequency offset, and the time offset and / or the frequency offset is measured based on the multiple reference signals.

15. A resource allocation method, characterized in that: The method comprises: Sending first information; the first information is used to indicate multiple resource sets, each of the multiple resource sets including multiple resources; wherein the multiple resources in each resource set include first-category resources and second-category resources, the frequency domain density of the first-category resources is different from the frequency domain density of the second-category resources, and / or the bandwidth of the first-category resources is different from the bandwidth of the second-category resources; A reference signal is sent on a resource set among the plurality of resource sets.

16. The method according to claim 15, characterized in that The multiple resource sets include N resource sets, and the nth resource set in the N resource sets includes K n resources; wherein, the K n The resources include K n -1 first-class resource and 1 second-class resource, the K n -1 The frequency domain density of the first type of resources is the same, and the K n -The frequency domain density of one first-type resource is different from the frequency domain density of the one second-type resource; wherein N, n, K n are all positive integers, 1≤n≤N, and K n >1.

17. The method according to claim 15 or 16, characterized in that The frequency domain density of the first type of resources is smaller than the frequency domain density of the second type of resources.

18. The method according to any one of claims 15 to 17, characterized in that The first type of resources in different resource sets among the multiple resource sets have the same frequency domain density, and the second type of resources in different resource sets among the multiple resource sets have the same frequency domain density.

19. The method according to any one of claims 15 to 18, characterized in that The multiple resource sets include N resource sets, and the nth resource set in the N resource sets includes K n resources; wherein, the K n The resources include K n -1 first-class resource and 1 second-class resource, the K n -1 first-class resources have the same bandwidth, and the K n -The bandwidth of one first-class resource is different from the bandwidth of the one second-class resource; wherein N, n, K n are all positive integers, 1≤n≤N, and K n >1.

20. The method according to any one of claims 15 to 19, characterized in that The bandwidth of the first type of resources is smaller than the bandwidth of the second type of resources.

21. The method according to any one of claims 15 to 20, characterized in that The first-type resources in different resource sets among the multiple resource sets have the same bandwidth, and the second-type resources in different resource sets among the multiple resource sets have the same bandwidth.

22. The method according to any one of claims 15 to 21, characterized in that Among the multiple resources of any one of the multiple resource sets, any two different resources occupy the same resource units RE in their respective corresponding resource blocks.

23. The method according to any one of claims 15 to 22, characterized in that The resources in any two resource sets of the multiple resource sets occupy the same resource units RE in their respective corresponding resource blocks.

24. The method according to any one of claims 15 to 23, characterized in that Among the multiple resources in any one of the multiple resource collections, the time interval between any two adjacent resources is the same.

25. The method according to any one of claims 15 to 24, characterized in that The time interval between any two adjacent resources among the multiple resources of the first resource set and the time interval between any two adjacent resources among the multiple resources of the second resource set are the same; wherein, the first resource set is any one of the multiple resource sets, and the second resource set is any one of the multiple resource sets except the first resource set.

26. The method according to any one of claims 15 to 25, characterized in that Among the multiple resources of any one of the multiple resource sets, any two different resources occupy the same symbol in their respective corresponding time domain units.

27. The method according to any one of claims 15 to 26, characterized in that The symbols occupied by resources in any two resource sets of the multiple resource sets in their respective corresponding time domain units are the same.

28. The method according to any one of claims 15 to 27, characterized in that The method further comprises: Receive second information; wherein the second information is used to indicate a time offset and / or a frequency offset, and the time offset and / or the frequency offset is measured based on the multiple reference signals.

29. A communication device, characterized in that: The communication device is configured to execute the method according to any one of claims 1 to 28.

30. A communication device, characterized in that: include: processor and memory; The memory is used to store computer instructions, and when the processor executes the instructions, the communication device performs the method according to any one of claims 1 to 28.

31. A communication device, characterized in that: include: processor and interface circuit; wherein, The interface circuit is used to receive code instructions and transmit them to the processor; The processor is configured to execute the code instructions to perform the method according to any one of claims 1 to 28.

32. A communication device, characterized in that: The communication device includes a processor and a transceiver, the transceiver is used to exchange information between the communication device and other communication devices, and the processor executes program instructions to perform the method according to any one of claims 1 to 28.

33. The communication device according to any one of claims 31-32, characterized in that The communication device is a chip.

34. A computer-readable storage medium, characterized in that The computer-readable storage medium includes a computer program or instructions, which, when executed on a computer, causes the computer to perform the method according to any one of claims 1 to 28.

35. A computer program product, characterized in that The computer program product comprises: a computer program or instructions, and when the computer program or instructions are run on a computer, the computer is caused to perform the method according to any one of claims 1 to 28.

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