An uplink interference measurement method and apparatus

Abstract

The application relates to an uplink interference measurement method and device, and relates to the field of communication. In the method, a network device sends first information to a terminal device, the first information is used for indicating at least one time-frequency resource, I time-frequency resources in the at least one time-frequency resource occupy M continuous time slots in the time domain and occupy N continuous RBs in the frequency domain, each time-frequency resource in the I time-frequency resources comprises K measurement resource blocks, each measurement resource block occupies 1 time slot in the time domain and occupies 1 RB in the frequency domain, the number of REs for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block, and K<=M*N. The network device measures an uplink interference signal on a resource unit for uplink interference measurement in each measurement resource block. The above method can greatly reduce the resource overhead for uplink interference measurement.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, in particular to an uplink interference measurement method and device. BACKGROUND

[0002] With the vigorous development of satellite communication, spectrum resources are rapidly occupied and gradually scarce. In order to expand the bandwidth, satellite communication gradually begins to try to seek co-construction and sharing on spectrum resources. Among them, the co-construction and sharing of spectrum resources can improve the resource utilization rate and reduce the construction cost, but the problem of inter-satellite / ground / orbit interference needs to be solved.

[0003] Specifically, the inter-system interference can be divided into downlink interference and uplink interference according to the signal direction. In the uplink interference scenario, how to configure resources for measuring uplink interference without causing a large amount of resource waste is a problem worth paying attention to. SUMMARY

[0004] The present application provides an uplink interference measurement method and device to realize uplink interference measurement with less resource overhead.

[0005] In a first aspect, the present application provides an uplink interference measurement method, which can be executed by a network device or a module (such as a chip) in the network device. The method comprises: the network device sends first information to a terminal device, the first information is used to indicate at least one time-frequency resource, I time-frequency resources in the at least one time-frequency resource respectively occupy M continuous time slots in the time domain and N continuous RBs in the frequency domain, each time-frequency resource in the I time-frequency resources includes K measurement resource blocks, each measurement resource block occupies 1 time slot in the time domain and 1 RB in the frequency domain, and the number of REs for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block, wherein M, N, K, and I are positive integers, and K≤M*N; the network device measures the uplink interference signal on the resource unit for uplink interference measurement in each measurement resource block.

[0006] By using the above method, the network device measures the uplink interference signal on the resource unit for uplink interference measurement in each measurement resource block, and the number of resource units for uplink interference measurement in each measurement resource block is less than the total number of resource units included in each measurement resource block. Therefore, the above method can greatly reduce the resource overhead for uplink interference measurement.

[0007] In a possible design, the first information includes S pieces of indication information, each piece of indication information indicates one time-frequency resource, the S pieces of indication information correspond to the S time-frequency resources one by one, S is a positive integer greater than or equal to 1, and the S time-frequency resources are different from each other when S is greater than or equal to 2; or the at least one time-frequency resource is a periodic time-frequency resource, the first information includes 1 piece of indication information and a period, the 1 piece of indication information indicates one time-frequency resource, and the period is a period of the time-frequency resource indicated by the 1 piece of indication information.

[0008] With the above design, the network device can configure at least one time-frequency resource for the terminal device, and the at least one time-frequency resource can be a periodic resource or a non-periodic resource.

[0009] In a possible design, in the I time-frequency resources, the indication information corresponding to the i th time-frequency resource includes at least one of the following: starting time slot indication information of the i th time-frequency resource, starting resource block indication information of the i th time-frequency resource, and pattern indication information of the i th time-frequency resource; the pattern indication information of the RE for uplink interference measurement is used to determine the position of the K measurement resource blocks in the i th time-frequency resource, and the pattern of the RE for uplink interference measurement is used to determine the position of the RE for uplink interference measurement in the measurement resource block; where i is any positive integer in 1 to I.

[0010] With the above design, the pattern of the i th time-frequency resource and the starting time-frequency position can be determined by the above information, and the pattern of the RE for uplink interference measurement in each measurement block in the i th time-frequency resource.

[0011] In a possible design, in the I time-frequency resources, the pattern of the i th time-frequency resource is determined according to the pattern of a repetition block in the i th time-frequency resource, the repetition number C1 of the repetition block in the time domain, and the frequency domain repetition number C2 of the repetition block in the frequency domain; the repetition block occupies m consecutive time slots in the time domain and n consecutive RBs in the frequency domain; the repetition block includes k measurement resource blocks; the pattern of the repetition block is used to indicate the positions of the k measurement resource blocks in the repetition block; where C1, C2, m, n, and k are positive integers, k≤m*n, M=m*C1, N=n*C2, and K=k*C1*C2; where i is any positive integer in 1 to I.

[0012] With the above design, the network device can indicate the pattern of the repetition block in the i th time-frequency resource and the repetition number of the repetition block in the time-frequency domain, thereby obtaining the pattern of the i th time-frequency resource.

[0013] In a possible design, the pattern indication information of the ith time-frequency resource includes pattern indication information of the repetition block, a repetition number C1 of the repetition block in the time domain, and a repetition number C2 of the repetition block in the frequency domain.

[0014] In a possible design, the pattern indication information of the repetition block includes an index of the pattern of the repetition block, or parameters used to determine the pattern of the repetition block.

[0015] With the above design, the low overhead design of the resource is met, and the signaling overhead is reduced.

[0016] In a possible design, the pattern of the repetition block is determined according to a pattern of a first time-frequency resource unit and a pattern of a second time-frequency resource unit, where the first time-frequency resource unit occupies m1 consecutive time slots in the time domain and n1 consecutive RBs in the frequency domain, the first time-frequency resource unit includes s1 measurement resource blocks, the second time-frequency resource unit occupies m2 consecutive time slots in the time domain and n2 consecutive RBs in the frequency domain, the second time-frequency resource unit includes s2 measurement resource blocks, m1, m2, n1, n2, s1, and s2 are positive integers, k=s1*s2, m=m1*m2, and n=n1*n2; the pattern of the first time-frequency resource unit is used to indicate positions of the s1 measurement resource blocks in the first time-frequency resource unit; and the pattern of the second time-frequency resource unit is used to indicate positions of the s2 measurement resource blocks in the second time-frequency resource unit.

[0017] With the above design, the pattern of the repetition block can be determined according to the pattern of the first time-frequency resource unit and the pattern of the second time-frequency resource unit, so that the flexibility of the repetition block is improved, and the signaling overhead is reduced.

[0018] In a possible design, in the second time-frequency resource unit, m2=n2=s2, and the s2 measurement resource blocks have no overlap in the time domain and the frequency domain.

[0019] In a possible design, the pattern of the first time-frequency resource unit is determined according to a variation rate of the power of the uplink interference signal in the frequency domain and / or the time domain.

[0020] With the above design, the network device can select a suitable pattern of the first resource unit and a suitable pattern of the second resource unit according to the result of the uplink interference measurement, so as to obtain a desired repetition block and a pattern of time-frequency resources, implement resource configuration optimization, and further reduce resource overhead.

[0021] In one possible design, the pattern indication information of the repetition block includes pattern indication information of the first time-frequency resource unit and pattern indication information of the second time-frequency resource unit; the pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or parameters used to determine the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or parameters used to determine the pattern of the second time-frequency resource unit.

[0022] In one possible design, the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a number of subcarriers, and a starting subcarrier offset; or the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a comb size, and a starting subcarrier offset.

[0023] In a second aspect, a method for uplink interference measurement is provided, which includes:

[0024] The terminal device receives first information from the network device, where the first information is used to indicate at least one time-frequency resource, I time-frequency resources in the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks (RBs) in the frequency domain respectively, each of the I time-frequency resources includes K measurement resource blocks, each measurement resource block occupies 1 time slot in the time domain and 1 RB in the frequency domain, and a number of resource elements (REs) for uplink interference measurement in each measurement resource block is less than a total number of REs included in each measurement resource block, where M, N, K, and I are positive integers, and K≤M*N; and the terminal device does not send a signal on the REs for uplink interference measurement in each measurement resource block.

[0025] By using the above method, the terminal device does not send a signal on the REs for uplink interference measurement in each measurement resource block, and a number of REs for uplink interference measurement in each measurement resource block is less than a total number of REs included in each measurement resource block. Therefore, the above method can greatly reduce resource overhead for uplink interference measurement.

[0026] In one possible design, the first information includes S pieces of indication information, each piece of indication information indicates one time-frequency resource, the S pieces of indication information correspond to S time-frequency resources one by one, S is a positive integer greater than or equal to 1, and when S is greater than or equal to 2, the S time-frequency resources are different from each other; or the at least one time-frequency resource is a periodic time-frequency resource, the first information includes 1 piece of indication information and a period, the 1 piece of indication information indicates one time-frequency resource, and the period is a period of the time-frequency resource indicated by the 1 piece of indication information.

[0027] In one possible design, for the I time-frequency resources, the indication information corresponding to the ith time-frequency resource includes at least one of starting time slot indication information of the ith time-frequency resource, starting resource block indication information of the ith time-frequency resource, and pattern indication information of the ith time-frequency resource; where the pattern of the ith time-frequency resource is used to determine the location of the K measurement resource blocks in the ith time-frequency resource, and the pattern of the REs for uplink interference measurement is used to determine the location of the REs for uplink interference measurement in the measurement resource blocks; where i is any positive integer from 1 to I.

[0028] In one possible design, for the I time-frequency resources, the pattern of the ith time-frequency resource is determined according to a pattern of a repetition block in the ith time-frequency resource, a repetition number C1 of the repetition block in time domain, and a frequency domain repetition number C2 of the repetition block in frequency domain; where the repetition block occupies m consecutive time slots in time domain and n consecutive RBs in frequency domain; the repetition block includes k measurement resource blocks; the pattern of the repetition block is used to indicate the location of the k measurement resource blocks in the repetition block; where C1, C2, m, n, and k are positive integers, k≤m*n, M=m*C1, N=n*C2, and K=k*C1*C2; where i is any positive integer from 1 to I.

[0029] In one possible design, the pattern indication information of the ith time-frequency resource includes the pattern indication information of the repetition block, the repetition number C1 of the repetition block in time domain, and the repetition number C2 of the repetition block in frequency domain.

[0030] In one possible design, the pattern indication information of the repetition block includes an index of the pattern of the repetition block or parameters used to determine the pattern of the repetition block.

[0031] In one possible design, the pattern of the repetition block is determined according to a pattern of a first time-frequency resource unit and a pattern of a second time-frequency resource unit; where the first time-frequency resource unit occupies m1 consecutive time slots in time domain and n1 consecutive RBs in frequency domain, and includes s1 measurement resource blocks; the second time-frequency resource unit occupies m2 consecutive time slots in time domain and n2 consecutive RBs in frequency domain, and includes s2 measurement resource blocks; m1, m2, n1, n2, s1, and s2 are positive integers, k=s1*s2, m=m1*m2, and n=n1*n2; the pattern of the first time-frequency resource unit is used to indicate the location of the s1 measurement resource blocks in the first time-frequency resource unit; and the pattern of the second time-frequency resource unit is used to indicate the location of the s2 measurement resource blocks in the second time-frequency resource unit.

[0032] In a possible design, in the second time-frequency resource unit, m2=n2=s2, and the s2 measurement resource blocks have no overlap in the time domain and the frequency domain.

[0033] In a possible design, the pattern of the first time-frequency resource unit is determined according to a variation rate of the power of the uplink interference signal in the frequency domain and / or the time domain.

[0034] In a possible design, the pattern indication information of the repetition block includes pattern indication information of the first time-frequency resource unit and pattern indication information of the second time-frequency resource unit.

[0035] The pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or a parameter used to determine the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or a parameter used to determine the pattern of the second time-frequency resource unit.

[0036] In a possible design, the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a number of subcarriers, and a starting subcarrier offset; or the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a comb size, and a starting subcarrier offset.

[0037] In a third aspect, a device for uplink interference measurement is provided, which includes:

[0038] The transceiver is configured to send first information to a terminal device, where the first information is used to indicate at least one time-frequency resource, I time-frequency resources in the at least one time-frequency resource occupy M continuous time slots in the time domain and N continuous resource blocks (RBs) in the frequency domain respectively, each time-frequency resource in the I time-frequency resources includes K measurement resource blocks, each measurement resource block occupies 1 time slot in the time domain and 1 RB in the frequency domain, and a number of resource elements (REs) for uplink interference measurement in each measurement resource block is less than a total number of REs included in each measurement resource block, where M, N, K, and I are positive integers, and K≤M*N; and the processing unit is configured to invoke the transceiver to perform: measuring an uplink interference signal on the REs for uplink interference measurement in each measurement resource block.

[0039] In one possible design, the first information includes S pieces of indication information, each piece of indication information indicating one time-frequency resource, the S pieces of indication information corresponding to the S time-frequency resources one-to-one, S being a positive integer greater than or equal to 1, and when S is greater than or equal to 2, the S time-frequency resources being different from each other; or the at least one time-frequency resource is a periodic time-frequency resource, and the first information includes 1 piece of indication information and a period, the 1 piece of indication information indicating one time-frequency resource, and the period being a period of the time-frequency resource indicated by the 1 piece of indication information.

[0040] In one possible design, in the I time-frequency resources, indication information corresponding to the i-th time-frequency resource includes at least one of starting time-slot indication information of the i-th time-frequency resource, starting resource block indication information of the i-th time-frequency resource, and pattern indication information of the i-th time-frequency resource; wherein the pattern of the i-th time-frequency resource is used to determine a location of the K measurement resource blocks in the i-th time-frequency resource, and the pattern of the RE for uplink interference measurement is used to determine a location of the RE for uplink interference measurement in the measurement resource block; wherein i is any positive integer in 1 to I.

[0041] In one possible design, in the I time-frequency resources, the pattern of the i-th time-frequency resource is determined according to a pattern of a repetition block in the i-th time-frequency resource, a repetition number C1 of the repetition block in time domain, and a frequency domain repetition number C2 of the repetition block in frequency domain; wherein the repetition block occupies m consecutive time slots in time domain and n consecutive RBs in frequency domain; the repetition block includes k measurement resource blocks; the pattern of the repetition block is used to indicate a location of the k measurement resource blocks in the repetition block; wherein C1, C2, m, n, and k are positive integers, k≤m*n, M=m*C1, N=n*C2, and K=k*C1*C2; wherein i is any positive integer in 1 to I.

[0042] In one possible design, the pattern indication information of the i-th time-frequency resource includes pattern indication information of the repetition block, a repetition number C1 of the repetition block in time domain, and a repetition number C2 of the repetition block in frequency domain.

[0043] In one possible design, the pattern indication information of the repetition block includes an index of the pattern of the repetition block or parameters used to determine the pattern of the repetition block.

[0044] In one possible design, the pattern of the repetition block is determined based on a pattern of a first time-frequency resource unit and a pattern of a second time-frequency resource unit, where the first time-frequency resource unit occupies m1 consecutive time slots in the time domain and n1 consecutive RBs in the frequency domain, the first time-frequency resource unit includes s1 measurement resource blocks, the second time-frequency resource unit occupies m2 consecutive time slots in the time domain and n2 consecutive RBs in the frequency domain, the second time-frequency resource unit includes s2 measurement resource blocks, m1, m2, n1, n2, s1, and s2 are positive integers, k = s1*s2, m = m1*m2, and n = n1*n2; the pattern of the first time-frequency resource unit indicates locations of the s1 measurement resource blocks in the first time-frequency resource unit; and the pattern of the second time-frequency resource unit indicates locations of the s2 measurement resource blocks in the second time-frequency resource unit.

[0045] In one possible design, in the second time-frequency resource unit, m2 = n2 = s2, and the s2 measurement resource blocks have no overlap in the time domain and the frequency domain.

[0046] In one possible design, the pattern of the first time-frequency resource unit is determined based on a rate of change of the power of the uplink interference signal in the frequency domain and / or the time domain.

[0047] In one possible design, the pattern indication information of the repetition block includes pattern indication information of the first time-frequency resource unit and pattern indication information of the second time-frequency resource unit.

[0048] The pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or parameters used to determine the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or parameters used to determine the pattern of the second time-frequency resource unit.

[0049] In one possible design, the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a number of subcarriers, and a starting subcarrier offset; or the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a comb size, and a starting subcarrier offset.

[0050] In a fourth aspect, the present application provides an uplink interference measurement apparatus, which includes:

[0051] a transceiver configured to receive first information from a network device, the first information being used to indicate at least one time-frequency resource, I time-frequency resources in the at least one time-frequency resource occupying M consecutive time slots in a time domain and N consecutive resource blocks (RBs) in a frequency domain respectively, each of the I time-frequency resources including K measurement resource blocks, each measurement resource block occupying 1 time slot in the time domain and 1 RB in the frequency domain, and a number of resource elements (REs) for uplink interference measurement in each measurement resource block being less than a total number of REs included in each measurement resource block, where M, N, K, and I are positive integers, K≤M*N, and the ith time-frequency resource is any one of the at least one time-frequency resource;

[0052] a processing unit configured to determine not to send a signal on the REs for uplink interference measurement in each measurement resource block.

[0053] In a possible design, the first information includes S pieces of indication information, each piece of indication information indicating one time-frequency resource, the S pieces of indication information corresponding to S time-frequency resources one by one, S being a positive integer greater than or equal to 1, and when S is greater than or equal to 2, the S time-frequency resources are different from each other; or the at least one time-frequency resource is a periodic time-frequency resource, the first information including 1 piece of indication information and a period, the 1 piece of indication information indicating one time-frequency resource, and the period being a period of the time-frequency resource indicated by the 1 piece of indication information.

[0054] In a possible design, in the I time-frequency resources, indication information corresponding to the ith time-frequency resource includes at least one of starting time slot indication information of the ith time-frequency resource, starting RB indication information of the ith time-frequency resource, and pattern indication information of the ith time-frequency resource, the pattern indication information of the REs for uplink interference measurement; where the pattern of the ith time-frequency resource is used to determine positions of the K measurement resource blocks in the ith time-frequency resource, and the pattern of the REs for uplink interference measurement is used to determine positions of the REs for uplink interference measurement in the measurement resource blocks; where i is any positive integer from 1 to I.

[0055] In one possible design, for the I time-frequency resources, a pattern of the ith time-frequency resource is determined based on a pattern of a repetition block in the ith time-frequency resource, a repetition number C1 of the repetition block in time domain, and a frequency-domain repetition number C2 of the repetition block in frequency domain; where the repetition block occupies m consecutive time slots in time domain and n consecutive RBs in frequency domain; the repetition block includes k measurement resource blocks; the pattern of the repetition block is used to indicate locations of the k measurement resource blocks in the repetition block; where C1, C2, m, n, and k are positive integers, k≤m*n, M=m*C1, N=n*C2, and K=k*C1*C2; where i is any positive integer from 1 to I.

[0056] In one possible design, the pattern of the ith time-frequency resource includes pattern indication information of the repetition block, a repetition number C1 of the repetition block in time domain, and a repetition number C2 of the repetition block in frequency domain.

[0057] In one possible design, the pattern indication information of the repetition block includes an index of the pattern of the repetition block or parameters used to determine the pattern of the repetition block.

[0058] In one possible design, the pattern of the repetition block is determined based on a pattern of a first time-frequency resource unit and a pattern of a second time-frequency resource unit, where the first time-frequency resource unit occupies m1 consecutive time slots in time domain and n1 consecutive RBs in frequency domain, the first time-frequency resource unit includes s1 measurement resource blocks, the second time-frequency resource unit occupies m2 consecutive time slots in time domain and n2 consecutive RBs in frequency domain, the second time-frequency resource unit includes s2 measurement resource blocks, m1, m2, n1, n2, s1, and s2 are positive integers, k=s1*s2, m=m1*m2, and n=n1*n2; the pattern of the first time-frequency resource unit is used to indicate locations of the s1 measurement resource blocks in the first time-frequency resource unit; the pattern of the second time-frequency resource unit is used to indicate locations of the s2 measurement resource blocks in the second time-frequency resource unit.

[0059] In one possible design, in the second time-frequency resource unit, m2=n2=s2, and the s2 measurement resource blocks have no overlap in time domain and frequency domain.

[0060] In one possible design, the pattern of the first time-frequency resource unit is determined based on a rate of change of the power of the uplink interference signal in frequency domain and / or time domain.

[0061] In one possible design, the pattern indication information of the repetition block includes pattern indication information of the first time-frequency resource unit and pattern indication information of the second time-frequency resource unit.

[0062] The pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or parameters used to determine the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or parameters used to determine the pattern of the second time-frequency resource unit.

[0063] In a possible design, the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a number of subcarriers, and a starting subcarrier offset; or the pattern indication information of the REs for uplink interference measurement includes a number of symbols, a starting symbol offset, a comb size, and a starting subcarrier offset.

[0064] In a fifth aspect, a communication apparatus is provided, which can be applied to a terminal device or a network device, and the apparatus includes units for performing the method in any of the aspects above.

[0065] In a sixth aspect, a communication device is provided, which includes at least one processing element and at least one storage element, where the at least one storage element is configured to store programs and data, and the at least one processing element is configured to read and execute the programs and data stored in the storage element, so that the method in any of the aspects above is implemented.

[0066] In a seventh aspect, a computer program is provided, which, when executed on a computer, causes the computer to perform the method in any of the aspects above.

[0067] In an eighth aspect, a communication apparatus is provided, which includes an interface circuit, where the interface circuit is configured to provide input and / or output of programs or instructions for at least one processor, and the at least one processor is configured to execute the programs or instructions so that the communication apparatus can implement the method in any of the aspects above.

[0068] In a possible manner, the communication apparatus includes the at least one processor.

[0069] In a ninth aspect, a computer storage medium is provided, which stores a software program, and the software program, when read and executed by one or more processors, can implement the method in any of the aspects above.

[0070] In a tenth aspect, a computer program product is provided, which includes instructions, and the instructions, when executed on a computer, cause the computer to perform the method in any of the aspects above.

[0071] In an eleventh aspect, a chip system is provided, the chip system comprising at least one chip and a memory, the at least one chip being configured to read and execute a program stored in the memory to implement the method of any one of the above aspects.

[0072] In a twelfth aspect, a communication system is provided, the system comprising at least one terminal and a network device, the terminal being configured to implement the method of any one of the above second aspect, and the network device being configured to implement the method of any one of the above first aspect.

[0073] On the basis of the implementation of the above aspects provided by the present application, further combinations can be made to provide more implementations. BRIEF DESCRIPTION OF DRAWINGS

[0074] Figure 1 Architecture diagram of a mobile communication system to which embodiments of the present application are applied;

[0075] Figure 2 Architecture diagram of a typical scenario of providing user equipment access in an NTN network in the present application;

[0076] Figure 3 Architecture diagram of a typical scenario of providing user equipment access in another NTN network in the present application;

[0077] Figure 4 Architecture diagram of downlink interference in the present application;

[0078] Figure 5 Architecture diagram of uplink interference in the present application;

[0079] Figure 6 Architecture diagram of an interference scenario of a LEO satellite and a ground cell in the present application;

[0080] Figure 7 Architecture diagram of an interference scenario of a low-orbit satellite and a high-orbit satellite in the present application;

[0081] Figure 8 Architecture diagram of a frame structure in the present application;

[0082] Figure 9 Possible flow diagram of an uplink interference measurement method in the present application;

[0083] Figure 10 Diagram of REs for uplink interference measurement in the present application;

[0084] Figure 11 Diagram of another RE for uplink interference measurement in the present application;

[0085] Figure 12A schematic diagram of a pattern of a first time-frequency resource in the present application;

[0086] Figure 13 A schematic diagram of a pattern of a second time-frequency resource in the present application;

[0087] Figure 14 A schematic diagram of a pattern of a first time-frequency resource unit in the present application;

[0088] Figure 15 A schematic diagram of a pattern of a second time-frequency resource unit in the present application;

[0089] Figure 16 A schematic diagram of a pattern of a time-frequency resource shown in example a in the present application;

[0090] Figure 17 A schematic diagram of a pattern of a time-frequency resource shown in example b in the present application;

[0091] Figure 18 A schematic diagram of a pattern of a time-frequency resource shown in example c in the present application;

[0092] Figure 19 A schematic diagram of a pattern of a time-frequency resource shown in example d in the present application;

[0093] Figure 20 A schematic diagram of a pattern of a time-frequency resource shown in example e in the present application;

[0094] Figure 21 A schematic diagram of a structure of a communication apparatus in the present application;

[0095] Figure 22 A schematic diagram of a structure of another communication apparatus in the present application. DETAILED DESCRIPTION

[0096] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: long term evolution (LTE) system, 5G system or new radio (NR), non-terrestrial networks (NTN), and future communication systems such as the sixth generation mobile communication system. The present application does not limit this.

[0097] Figure 1 is an architecture schematic diagram of a communication system 100 applicable to the embodiments of the present application. As shown in Figure 1 , the communication system 100 can include at least one access network device (such as 110a, 110b, 110c in Figure 1 , and can also include at least one terminal device (such as 120a, 120b, 120c in Figure 1(120a-120g in the original text). Access network devices can be interconnected via wired or wireless means. Figure 1 This is just a schematic diagram. The communication system may also include other network devices, such as wireless repeaters and wireless backhaul devices.

[0098] The network device provided in this application embodiment can be an access network device, such as a base station, Node B, evolved Node B (eNodeB or eNB), transmission reception point (TRP), next-generation Node B (gNB) in a 5th generation (5G) mobile communication system, access network device in an open radio access network (O-RAN or open RAN), next-generation base station in a 6th generation (6G) mobile communication system, or a base station in a future mobile communication system, or an access node in a wireless fidelity (WiFi) system, etc. Alternatively, the network device can be a module or unit that performs some of the functions of a base station, for example, it can be a central unit (CU), a distributed unit (DU), a central unit control plane (CU-CP) module, or a central unit user plane (CU-UP) module, etc. The network device can also be a satellite (e.g., Figure 1 110a in the text), or it can be a macro base station (such as...). Figure 1 In addition to 110b), the access network equipment can also be a micro base station or an indoor station (such as...). Figure 1 The node in 110c) can also be a relay node or a donor node, etc. This application does not limit the specific technology or device form used in the access network equipment. For ease of description, a network device is used as an example of an access network device in the following description.

[0099] The terminal device provided in this application embodiment can also be called a terminal, including but not limited to: user equipment (UE), mobile station, or mobile terminal. The terminal device can be widely used for communication in various scenarios. These scenarios include, but are not limited to, at least one of the following: enhanced mobile broadband (eMBB), ultra-reliable low-latency communication (URLLC), massive machine-type communications (mMTC), device-to-device (D2D), vehicle-to-everything (V2X), machine-type communication (MTC), Internet of Things (IoT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wearables, smart transportation, or smart cities, etc. The terminal device can be a mobile phone (e.g., Figure 1 Mobile phones (120a, 120d, 120f), tablets, and computers with wireless transceiver capabilities (such as...) Figure 1 Computers (120g), wearable devices, vehicles (such as...) Figure 1 As shown in 120b), drones, helicopters, and aircraft (such as...) Figure 1 120c), ships, robots, robotic arms, or smart home devices (such as Figure 1 The application does not limit the specific technology or form of the terminal equipment. (e.g., printer 120e).

[0100] Network devices and / or terminal devices can be fixed or mobile. They can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; or on water; or in the air on aircraft, balloons, and satellites. This application does not limit the environment / scenario in which the network devices and terminal devices are located. Network devices and terminal devices can be deployed in the same or different environments / scenarios; for example, both network devices and terminal devices can be deployed on land simultaneously; or, the network device can be deployed on land and the terminal device on water, etc., and so on.

[0101] The following section will first explain some of the terms used in the embodiments of this application so that those skilled in the art can understand them.

[0102] I. NTN

[0103] NTN refers to a network using radio frequency resources on a satellite (or unmanned aircraft system (UAS) platform, high altitude platform station (HAPS) platform). Compared with a ground cellular network (for example, 5th-generation mobile communication technology (5G)), an NTN network has the characteristics of wide coverage, low latency, wide bandwidth, and low cost. As a supplement and extension of a ground cellular network, an NTN network can achieve wide-area seamless coverage that cannot be achieved by a wired telephone network and a ground mobile communication network, and effectively solve the problem of Internet access in areas where communication infrastructure is scarce. A large number of satellites are arranged in a near-earth orbit, and the round-trip transmission delay between the satellite and the ground terminal device is greatly reduced to a low latency of tens of milliseconds. The use of high-frequency bands, multi-point beams, and frequency reuse technologies significantly improves the communication capacity of the satellite, reduces the unit bandwidth cost, and meets the demand for high information rate services. Compared with ground cellular base stations and submarine optical fiber cables and other communication infrastructure, NTN has a significant cost advantage. Modern small satellites have low research and development and manufacturing costs, and software-defined technology can further extend the on-orbit satellite service life. The NTN network can be used in global coverage (such as remote areas, ocean-going ships, etc.), emergency rescue (such as disaster monitoring, emergency communication), Internet of Everything, high-speed mobile (such as high-speed rail, aircraft), and other scenarios.

[0104] The 3rd generation partnership project (3GPP) started to carry out research on satellite-ground integration from R14, and in TS22.261, the role and advantages of satellites in the 5G system were discussed, and it was first stipulated that 5G supports satellite access. In R15, the first 5G and satellite integration technology report TR 38.811 was formed, 8 eMBB scenarios and 2 massive machine-type communications (mMTC) scenarios were defined, and the channel model of NTN was defined. R16 further researched the architecture and solutions of NR supporting NTN in TR 38.821. Based on the research results of R16, the standardization work of 5G new radio supporting NTN was carried out in R17, and the first version of the integration technical specification was formed. R18 will continue to carry out research on the enhancement of NTN.

[0105] Typical scenarios for NTN network to provide user equipment access include transparent payload and regenerative payload. In the transparent payload scenario, there is no baseband demodulation, decoding, and other processing on the satellite, so the signal waveform is unchanged and is repeated, as shown in Figure 2 In the regenerative payload scenario, the satellite (or UAS platform) has all or part of the base station function (for example, gNB), as shown in Figure 3 It should be noted that Figure 2 and Figure 3 are only examples of NTN scenarios, and NTN scenarios can also include other specific scenarios, which are not limited in the present application.

[0106] An NTN network generally has the following elements:

[0107] 1. There is one or more gateway connecting the NTN network and the public data network.

[0108] 2. Feeding link: wireless link between gateway and satellite (or UAS platform).

[0109] 3. Service link: wireless link between terminal device and satellite (or UAS platform).

[0110] 4. Satellite (or UAS platform), which can implement transparent payload and regenerative payload.

[0111] 5. Whether the satellite constellation has an inter-satellite link (ISL) is optional. If there is an inter-satellite link, the satellite is a regenerative payload. The ISL can work at radio frequency (RF) frequency or optical wavelength.

[0112] 6. The terminal device is served by the satellite (or UAS platform) within the target service area.

[0113] II. Satellite Spectrum

[0114] Satellite communication works in the microwave frequency band, with a frequency range of 1GHz-40GHz. According to the frequency band, it can be divided into: L, S, C, X, Ku, K, Ka. Different frequency bands correspond to different uses, among which the K frequency band is not suitable for satellite communication because it is in the frequency window that is most affected by atmospheric absorption loss. Therefore, the commonly used satellite communication frequency bands are: L, S, C, X, Ku, Ka.

[0115] L and S bands are used for satellite mobile communications, that is, common handheld satellite phones. C band frequencies are relatively low, so the signal coverage is large, and the signal is less affected by weather, which is often used for private network communication of government and enterprise units, cross-border private lines, and content distribution of TV stations, etc. X band is a regulated frequency band, which is usually used for government and military departments and cannot be used for commercial purposes. Ku band has a relatively high frequency, which is easily affected by the antenna to cause signal fluctuations, but its signal strength is higher than that of C band, so the ground receiving antenna aperture is much smaller, usually as small as 0.35 meters, which is very suitable for satellite TV live-to-house applications. Ka band is a higher frequency band that has been used in recent years. As C and Ku bands are nearly saturated and cannot carry more services, higher frequency Ka bands have been sought.

[0116] Among them, the higher the frequency band, the more bandwidth resources it has, and the more service capacity it can support. In recent years, with the rapid increase in satellite Internet demand, people have begun to focus on higher frequency Ka bands. Although it is more susceptible to weather than Ku band, it has more development value due to its larger operating bandwidth, higher signal strength, and smaller antenna aperture. The commonly used satellite communication frequency bands and their main uses are shown in Table 1.

[0117] Table 1

[0118]

[0119] For frequency range (frequency range, FR) 1, the frequency range and band number of NTN are shown in Table 2.

[0120] Table 2 3GPP NTN frequency band (FR1)

[0121]

[0122] For frequency bands above 10 GHz, the frequency range and band number of NTN are shown in Table 3.

[0123] Table 3 3GPP NTN frequency band (FR2)

[0124]

[0125] III. Inter-system interference

[0126] Inter-system interference can be divided into downlink interference and uplink interference according to the direction of the signal.

[0127] The downlink interference has the following characteristics:

[0128] 1. Few interference sources. Taking low-orbit satellite interference with ground terminal equipment as an example, such as Figure 4As shown, the main interference source is satellite 1 covering this terminal device, and the interference of satellite 2 to this terminal device mainly comes from the sidelobe, and the path loss is larger, and the interference level is lower;

[0129] 2. Since the ground base station / low earth orbit satellite is closer to the terminal device, the interference is stronger.

[0130] The uplink interference has the following characteristics:

[0131] 1. Multiple interference sources: taking the interference of a ground terminal device to a low earth orbit satellite as an example, as shown in Figure 5 , the interference sources are all ground terminal devices within the visible range of the satellite;

[0132] 2. Strong aggregate interference: the main interference source is the terminal device near the main lobe of the satellite beam, at this time the satellite reception gain is larger;

[0133] 3. Beam level: for a single-satellite multi-beam scenario, different beams of the satellite have different interference;

[0134] 4. Frequency selection characteristics: the interference signal presents different interference characteristics in different frequency bands;

[0135] 5. Time-varying characteristics: the interference signal presents different interference characteristics at different times.

[0136] Interference between systems can be divided into satellite-ground interference and high-low orbit interference according to the interference scenario.

[0137] (1) Satellite-ground interference

[0138] Due to the large number of base stations and terminal devices of the ground cellular network, and the low earth orbit satellite is closer to the ground, the path loss is smaller, and the interference between the low earth orbit satellite and the ground cellular network is easy to occur. The interference scenario between the low earth orbit satellite and the ground cellular network is shown in Figure 6 , where the solid line segment represents the effective signal, the dashed line segment represents the interference signal, and the arrow represents the signal direction.

[0139] As shown in Table 4, the interference can be divided into the following six categories.

[0140] Table 4 Classification of satellite-ground interference

[0141]

[0142] (2) High-low orbit interference

[0143] The coverage area of the high orbit satellite is large, and the coverage range of the low orbit satellite will overlap with the coverage range of the high orbit satellite. Since the path loss of the low orbit satellite is smaller, the interference between the high orbit satellite and the low orbit satellite is easy to occur. The interference scenario between the low orbit satellite and the high orbit satellite is shown in Figure 7As shown, solid line segments represent valid signals, dashed line segments represent interference signals, and arrows indicate the signal direction.

[0144] As shown in Table 5, the interference can be divided into the following four categories.

[0145] Table 5 Classification of High and Low Earth Orbit Interference

[0146] Interfered party Interfering party Source of interference LEO satellite GEO satellite terminal Terminal power leakage GEO satellite LEO satellite terminal Terminal power leakage LEO satellite terminal GEO satellite Satellite power leakage GEO satellite terminal LEO satellite Satellite power leakage

[0147] Currently, in order to measure uplink interference, the frame structure design is as follows: Figure 8 As shown, time slot 0 is used for measuring uplink interference; that is, the satellite terminal does not transmit signals in this time slot, and the satellite base station receives the interference signals. Time slots 1 to 7 are used for signal transmission; that is, the satellite terminal transmits signals, and the satellite base station receives the signals and filters out the interference signals to form a valid signal. Time slot 0 occupies all frequency domain resources during this period, resulting in significant resource waste. Figure 7 For example, assuming that all frequency domain resources in time slots 1 to 7 are used for data scheduling, then 1 / 8 ≈ 12.5% ​​of the time and frequency domain resources are wasted.

[0148] Based on the above Figure 1 Based on the network system architecture shown and the aforementioned related technologies, this application provides an uplink interference measurement method. The execution entities of each method are described using network devices and terminal devices as examples. For instance, the network device can be one of the aforementioned... Figure 1 The 110a, 110b, and 110c mentioned above. The terminal equipment can be one of the aforementioned... Figure 1 The 120a-120g in the example. Furthermore, it should be understood that the network device can also be replaced by a communication device with network device functionality or a chip, unit, or module within a communication device with network device functionality. The terminal device can also be replaced by a communication device with terminal device functionality or a chip, unit, or module within a communication device with terminal device functionality. It is understood that this application does not particularly limit the specific structure of the execution subject of the method provided in the embodiments of this application, as long as communication can be performed according to the method provided in the embodiments of this application by running a program that records the code of the method provided in the embodiments of this application. The following description uses the interaction between a terminal device and a network device as an example.

[0149] In this application, the names of the messages and resources in the following processes are merely examples. As communication technology evolves, the names of the messages and resources in the following processes may change. However, regardless of how their names change, as long as their meaning is the same as the function or meaning of the messages in this application, they all fall within the protection scope of this application. The order of the steps in the following processes is only an example. In actual applications, the execution order of the steps in each process can be adjusted.

[0150] Figure 9 An example shows a possible flow diagram of an uplink interference measurement method provided by the embodiments of the present application. As shown in the figure, Figure 9 The method comprises the following steps.

[0151] Step 900: The network device sends first information to the terminal device. Correspondingly, the terminal device receives the first information from the network device.

[0152] By way of example, the first information is used to indicate at least one time-frequency resource, I time-frequency resources in the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks (RBs) in the frequency domain respectively, each time-frequency resource in the I time-frequency resources includes K measurement resource blocks, each measurement resource block occupies 1 time slot in the time domain and 1 RB in the frequency domain, and the number of resource elements (REs) for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block, wherein M, N, K and I are positive integers, and K≤M*N.

[0153] Step 910: The network device measures the uplink interference signal on the resource elements for uplink interference measurement in each measurement resource block. Correspondingly, the terminal device does not send a signal on the resource elements for uplink interference measurement in each measurement resource block.

[0154] It can be understood that the terminal device can send a signal to the network device on the resource elements other than the resource elements for uplink interference measurement in each measurement resource block, and then the network device can process the signal received on the resource elements other than the resource elements for uplink interference measurement in each measurement resource block according to the relevant information of the uplink interference signal measured on the resource elements for uplink interference measurement in each measurement resource block, so as to obtain an effective uplink signal.

[0155] By using the above method, the network device measures the uplink interference signal on the resource elements for uplink interference measurement in each measurement resource block, and the number of resource elements for uplink interference measurement in each measurement resource block is less than the total number of resource elements included in each measurement resource block, so that the above method can greatly reduce the resource overhead for uplink interference measurement.

[0156] In a possible implementation, the first information includes S pieces of indication information, the S pieces of indication information correspond to S time-frequency resources one by one, S is a positive integer greater than or equal to 1, and when the value of S is greater than or equal to 2, the S time-frequency resources are different from each other. That is, the first information can indicate S time-frequency resources, the value of S can be 1, or the value of S can also be greater than or equal to 2, and when the value of S is greater than or equal to 2, the S time-frequency resources are different from each other, that is, the S pieces of indication information can be different from each other. At this time, the number of the at least one time-frequency resource is S. Exemplarily, the at least one time-frequency resource can be aperiodic time-frequency resource. The network device can independently configure the at least one time-frequency resource, and generate one piece of indication information for each time-frequency resource.

[0157] In another possible implementation, the first information includes one piece of indication information and a period. The one piece of indication information indicates one time-frequency resource, and the period is the period of the time-frequency resource indicated by the one piece of indication information. That is, the first information can indicate one time-frequency resource and the period of the time-frequency resource, that is, the at least one time-frequency resource is a periodic time-frequency resource.

[0158] In addition, the first information can also indicate the at least one time-frequency resource in other manners, which are not limited in the present application.

[0159] The following is only an example of the i th time-frequency resource and the indication information corresponding to the i th time-frequency resource. The i th time-frequency resource is any one of the I time-frequency resources, and i takes any positive integer in 1 to I.

[0160] It can be understood that if the first information includes S pieces of indication information, the indication information corresponding to the i th time-frequency resource is one of the S pieces of indication information. If the number of the at least one time-frequency resource indicated by the first information is different from the value of I, the present application does not limit the specific form of the time-frequency resource other than the I time-frequency resources in the at least one time-frequency resource and the specific implementation manner of the corresponding indication information. If the number of the at least one time-frequency resource indicated by the first information is the same as the value of I, the indication information corresponding to the i th time-frequency resource is similar to the specific implementation manner of other indication information other than the indication information corresponding to the i th time-frequency resource, and can be referred to each other.

[0161] If the first information includes one piece of indication information and a period, at this time, the i th time-frequency resource can be the time-frequency resource indicated by the indication information or the time-frequency resource corresponding to any one period, the at least one time-frequency resource indicated by the first information is the I time-frequency resources, and the number of the at least one time-frequency resource is the same as the value of I. If the time-frequency resource indicated by the one piece of indication information is the i th time-frequency resource, the one piece of indication information is the indication information corresponding to the i th time-frequency resource.

[0162] The specific implementation of the indication information in the present application can refer to the implementation of the indication information corresponding to the ith time-frequency resource, unless otherwise specified.

[0163] In a possible implementation, the indication information corresponding to the ith time-frequency resource in the I time-frequency resources can include at least one of the starting time slot indication information of the ith time-frequency resource, the starting resource block indication information of the ith time-frequency resource, the pattern indication information of the REs for uplink interference measurement, and the pattern indication information of the ith time-frequency resource. The i is any positive integer in 1 to I.

[0164] The possible implementation of each information is described below.

[0165] (1) The starting time slot indication information of the ith time-frequency resource and the starting resource block indication information of the ith time-frequency resource

[0166] Exemplarily, the starting time slot indication information of the ith time-frequency resource can include the index of the starting time slot of the ith time-frequency resource, and the starting resource block indication information of the ith time-frequency resource can include the index of the starting resource block of the ith time-frequency resource.

[0167] It can be understood that if the first information includes S indication information, the starting time slot indication information of the ith time-frequency resource is different from the starting time slot indication information of the pth time-frequency resource, and the starting resource block indication information of the ith time-frequency resource can be the same as or different from the starting resource block indication information of the pth time-frequency resource. The ith time-frequency resource and the pth time-frequency resource both belong to the S time-domain resources, and p is a positive integer. In addition, the pattern indication information of the REs for uplink interference measurement in the indication information corresponding to the ith time-frequency resource and the pattern indication information of the REs for uplink interference measurement in the pth time-frequency resource can be the same or different. The pattern indication information of the ith time-frequency resource in the indication information corresponding to the ith time-frequency resource and the pattern indication information of the pth time-frequency resource in the pth time-frequency resource can be the same or different.

[0168] (2) The pattern indication information of the REs for uplink interference measurement

[0169] Exemplarily, the pattern of REs for uplink interference measurement is used to determine the location of the REs for uplink interference measurement in a measurement resource block. In an example, the pattern of REs for uplink interference measurement indicates information including a symbol number, a starting symbol offset, a subcarrier number, and a starting subcarrier offset. The symbol number is a number of symbols occupied by the REs for uplink interference measurement in one time slot, and the subcarrier number is a number of subcarriers occupied by the REs for uplink interference measurement in 12 continuous subcarriers included in one RB. The number of the REs for uplink interference measurement is a product of the symbol number and the subcarrier number. The starting symbol offset is an offset of a starting symbol where the REs for uplink interference measurement are located. For example, the starting symbol offset is an offset of a starting symbol where the REs for uplink interference measurement are located relative to symbol 0 or symbol 13, and only symbol 0 is taken as an example in the present application. The starting subcarrier offset is an offset of a starting subcarrier where the REs for uplink interference measurement are located. For example, the starting subcarrier offset is an offset of a starting subcarrier where the REs for uplink interference measurement are located relative to subcarrier 0 or subcarrier 11, and only subcarrier 0 is taken as an example in the present application.

[0170] For example, assuming that the pattern of REs for uplink interference measurement indicates information including a symbol number symb_num = 2, a starting symbol offset symb_start = 3, a subcarrier number subc_num = 4, and a starting subcarrier offset subc_start = 4, the pattern of REs for uplink interference measurement is as shown in FIG. 2. Figure 10 Figure 10 In FIG. 2, the horizontal axis represents symbols, and the vertical axis represents subcarriers. Since each measurement resource block occupies one time slot in the time domain and one RB in the frequency domain, the total number of continuous symbols occupied by each measurement resource block is 14, and the total number of continuous subcarriers occupied by each measurement resource block is 12. According to the symbol number symb_num = 2 and the subcarrier number subc_num = 4, the number of the REs for uplink interference measurement is 2 * 4 = 8, and the specific locations of the 8 REs for uplink interference measurement can be determined according to the starting symbol offset symb_start = 3 and the starting subcarrier offset subc_start = 4.

[0171] In another example, the pattern of REs for uplink interference measurement indicates information including a symbol number, a starting symbol offset, a comb size, and a starting subcarrier offset. The symbol number, the starting symbol offset, and the starting subcarrier offset can be referred to the above description, and will not be described herein. The number of the REs for uplink interference measurement is determined according to the symbol number and the comb size.

[0172] ​For example, assuming that the pattern of REs for uplink interference measurement includes the following information: the number of symbols symb_num = 12, the starting symbol offset symb_start = 0, the comb size comb_size = 12, and the starting subcarrier offset subc_start = 0, the pattern of REs for uplink interference measurement is as shown in FIG. 4. Figure 11 In FIG. 4, the horizontal axis represents symbols, and the vertical axis represents subcarriers. Since each measurement resource block occupies 1 slot in the time domain and 1 RB in the frequency domain, each measurement resource block occupies a total of 14 continuous symbols and a total of 12 continuous subcarriers. Figure 11 In FIG. 4, according to the number of symbols symb_num = 12 and the comb size comb_size = 12, the number of REs for uplink interference measurement is 12. According to the starting symbol offset symb_start = 0 and the starting subcarrier offset subc_start = 0 and the comb size comb_size = 12, the specific positions of the 12 REs for uplink interference measurement can be determined. Figure 11

[0173] (3) Pattern indication information of the i-th time-frequency resource

[0174] Exemplarily, the pattern of the i-th time-frequency resource is used to determine the positions of the K measurement resource blocks in the i-th time-frequency resource. The specific content included in the pattern indication information of the i-th time-frequency resource depends on how the pattern of the i-th time-frequency resource is determined.

[0175] Manner 1: If the pattern of the i-th time-frequency resource is pre-configured by a network device for a terminal device, the pattern indication information of the i-th time-frequency resource includes an index of the pattern of the i-th time-frequency resource.

[0176] Exemplarily, the network device pre-configures W patterns of time-frequency resources for the terminal device, W being a positive integer, and the W patterns of time-frequency resources including the pattern of the i-th time-frequency resource. The network device can send first information to the terminal device, the first information including indication information corresponding to the i-th time-frequency resource, the indication information corresponding to the i-th time-frequency resource including the pattern indication information of the i-th time-frequency resource, and the pattern indication information of the i-th time-frequency resource including an index of the pattern of the i-th time-frequency resource.

[0177] Manner 2: The pattern indication information of the i-th time-frequency resource includes parameters used to determine the pattern of the i-th time-frequency resource.

[0178] Exemplarily, the pattern indication information of the i-th time-frequency resource can include the number M of continuous slots occupied by the i-th time-frequency resource in the time domain, the number N of continuous RBs occupied by the i-th time-frequency resource in the frequency domain, the number K of measurement resource blocks included in the i-th time-frequency resource, and related parameters used to indicate the positions of the K measurement resource blocks, etc.​

[0179] The pattern of the ith time-frequency resource is determined according to a pattern of a repetition block in the ith time-frequency resource, a repetition number C1 of the repetition block in the time domain, and a frequency domain repetition number C2 of the repetition block in the frequency domain.

[0180] The repetition block occupies m consecutive time slots in the time domain and n consecutive RBs in the frequency domain, and includes k measurement resource blocks; the pattern of the repetition block is used to indicate the positions of the k measurement resource blocks in the repetition block. C1, C2, m, n, and k are positive integers, k≤m*n, M=m*C1, N=n*C2, and K=k*C1*C2.

[0181] As can be seen from the above manner 3, the pattern of the ith time-frequency resource is determined according to the pattern of the repetition block, the repetition number C1 of the repetition block in the time domain, and the frequency domain repetition number C2 of the repetition block in the frequency domain. The number K of the measurement resource blocks included in the ith time-frequency resource is also determined according to the number k of the measurement resource blocks included in the repetition block, the repetition number C1 of the repetition block in the time domain, and the frequency domain repetition number C2 of the repetition block in the frequency domain.

[0182] In a possible implementation, the pattern indication information of the ith time-frequency resource includes pattern indication information of the repetition block, the repetition number C1 of the repetition block in the time domain, and the repetition number C2 of the repetition block in the frequency domain.

[0183] It can be understood that the values of C1 and C2 can be preconfigured for the network device, or agreed through a protocol, or independently configured for each time-frequency resource, which is not limited in the present application.

[0184] Exemplarily, the pattern indication information of the repetition block can be determined in the following manner, but is not limited thereto:

[0185] Manner A: The pattern indication information of the repetition block includes an index of the pattern of the repetition block, or parameters used to determine the pattern of the repetition block.

[0186] Exemplarily, the network device can preconfigure at least one pattern of the repetition block for the terminal device. Further, the pattern indication information of the repetition block sent by the network device to the terminal device can include an index of the pattern of the repetition block. Alternatively, the pattern indication information of the repetition block sent by the network device to the terminal device can include parameters used to determine the pattern of the repetition block, for example, the parameters used to determine the pattern of the repetition block can include the number m of the consecutive time slots occupied by the repetition block in the time domain, the number n of the consecutive RBs occupied by the repetition block in the frequency domain, the number k of the measurement resource blocks included in the repetition block, and related parameters used to indicate the positions of the k measurement resource blocks.

[0187] For example, the pattern indication information of the ith time-frequency resource includes the index of the pattern of the repetition block (IDX=1), the repetition number of the repetition block in the time domain C1=6, and the repetition number of the repetition block in the frequency domain C2=6. The pattern of the ith time-frequency resource is as shown in Figure 12 . In which, Figure 12 , the horizontal axis represents time slots, and the vertical axis represents RBs. The repetition block corresponding to IDX=1 occupies 4 consecutive time slots in the time domain, that is, m=4, and occupies 4 consecutive RBs in the frequency domain, that is, n=4. The repetition block corresponding to IDX=1 includes 4 measurement resource blocks, that is, k=4. It can be obtained that the ith time-frequency resource occupies 24 consecutive time slots in the time domain, that is, M=m*C1=4*6=24, and occupies 24 consecutive RBs in the frequency domain, that is, N=n*C2=4*6=24. The ith time-frequency resource includes 48 measurement resource blocks, that is, K=k*C1*C2=4*6*6=144.

[0188] For another example, the pattern indication information of the ith time-frequency resource includes the index of the pattern of the repetition block (IDX=2), the repetition number of the repetition block in the time domain C1=6, and the repetition number of the repetition block in the frequency domain C2=2. The pattern of the ith time-frequency resource is as shown in Figure 13 . In which, Figure 13 , the horizontal axis represents time slots, and the vertical axis represents RBs. The repetition block corresponding to IDX=2 occupies 4 consecutive time slots in the time domain, that is, m=4, and occupies 12 consecutive RBs in the frequency domain, that is, n=12. The repetition block corresponding to IDX=2 includes 4 measurement resource blocks, that is, k=4. It can be obtained that the ith time-frequency resource occupies 24 consecutive time slots in the time domain, that is, M=m*C1=4*6=24, and occupies 24 consecutive RBs in the frequency domain, that is, N=n*C2=12*2=24. The ith time-frequency resource includes 48 measurement resource blocks, that is, K=k*C1*C2=4*6*2=48.

[0189] Exemplarily, it is assumed that the first information includes 1 indication information and a period. In which, the pattern of the time-frequency resource indicated by the 1 indication information is as shown in Figure 13 , and the pattern of the REs for uplink interference measurement is as shown in Figure 10 , the period T=100 time slots. The total number of resources for uplink interference measurement in a single period is 24*100*12*14=403200 REs, in which, 24 represents 24 RBs, the 24 RBs refer to that the time-frequency resource occupies 24 consecutive RBs in the frequency domain, each RB includes 12 consecutive subcarriers, 100 represents 100 time slots, the 100 time slots are the total number of time slots included in a single period, and each time slot includes 14 consecutive symbols.

[0190] As Figure 10As shown, the number of REs for uplink interference measurement in each measurement block is 2*4=8, as shown in the following figure. Figure 13 As shown, the time-frequency resource includes 48 measurement resource blocks, and the total number of resources for uplink interference measurement is 48*8=384 REs.

[0191] Therefore, the resource overhead of uplink interference measurement is only 384 / 403200=0.095%, which is reduced by 99.24% compared with the prior art of 12.5%, wherein 1-0.095 / 12.5=99.24%.

[0192] It can be understood that if the repetition number of the repetition block in the time domain is C1=1 and the frequency domain repetition number of the repetition block in the frequency domain is C2=1, the pattern of the ith time-frequency resource is the pattern of the repetition block.

[0193] By using the above method A, the low overhead design of the resource is met, and the signaling overhead is reduced.

[0194] In method B, the pattern indication information of the repetition block includes pattern indication information of a first time-frequency resource unit and pattern indication information of a second time-frequency resource unit. The pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or parameters for determining the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or parameters for determining the pattern of the second time-frequency resource unit.

[0195] At this time, the pattern of the repetition block is determined according to the pattern of the first time-frequency resource unit and the pattern of the second time-frequency resource unit, wherein the first time-frequency resource unit occupies m1 consecutive time slots in the time domain and n1 consecutive RBs in the frequency domain, the first time-frequency resource unit includes s1 measurement resource blocks, the second time-frequency resource unit occupies m2 consecutive time slots in the time domain and n2 consecutive RBs in the frequency domain, and the second time-frequency resource unit includes s2 measurement resource blocks, m1, m2, n1, n2, s1 and s2 are positive integers, k=s1*s2, m=m1*m2, and n=n1*n2.

[0196] The pattern of the first time-frequency resource unit is used to indicate the positions of the s1 measurement resource blocks in the first time-frequency resource unit, and the pattern of the second time-frequency resource unit is used to indicate the positions of the s2 measurement resource blocks in the second time-frequency resource unit. For example, in the second time-frequency resource unit, m2=n2=s2, and the s2 measurement resource blocks do not overlap in the time domain and the frequency domain.

[0197] For example, the horizontal axis represents time slots, and the vertical axis represents RBs, as shown in the following figure. Figure 14 The figure shown is a schematic diagram of the pattern of the first time-frequency resource unit, as shown in the following figure. Figure 15The figure shows the pattern of the second time-frequency resource unit. Wherein, idx1 represents the index of the pattern of the first time-frequency resource unit, idx2 represents the index of the pattern of the second time-frequency resource unit, idx2 = 0 represents that there is no second time-frequency resource unit, at this time, the pattern of the first time-frequency resource unit is the pattern of the repetition block.

[0198] The above-mentioned mode B is specifically described below in combination with specific examples:

[0199] Example a: Assuming that the pattern indication information of the i-th time-frequency resource includes the index of the pattern of the first time-frequency resource unit (idx1 = 0), the index of the pattern of the second time-frequency resource unit (idx2 = 10), the repetition number C1 of the repetition block in the time domain = 6, and the repetition number C2 of the repetition block in the frequency domain = 6.

[0200] Wherein, the pattern of the first time-frequency resource unit can be determined according to Figure 14 and idx1 = 0, the pattern of the second time-frequency resource unit is determined according to Figure 15 and idx2 = 10, and further, the pattern of the repetition block can be obtained, as shown in the upper figure in Figure 16 . Wherein, the horizontal axis represents the time slot, and the vertical axis represents the RB. The first time-frequency resource unit corresponding to idx1 = 0 occupies 1 time slot in the time domain, that is, m1 = 1, and occupies 1 RB in the frequency domain, that is, n1 = 1, the first time-frequency resource unit corresponding to idx1 = 0 includes 1 measurement resource block, that is, s1 = 1. The second time-frequency resource unit corresponding to idx2 = 10 occupies 4 consecutive time slots in the time domain, that is, m2 = 4, and occupies 4 consecutive RBs in the frequency domain, that is, n2 = 4, the second time-frequency resource unit corresponding to idx2 = 10 includes 4 measurement resource blocks, that is, s2 = 4, the repetition block occupies 4 consecutive time slots in the time domain, that is, m = m1 * m2 = 1 * 4 = 4, occupies 4 consecutive RBs in the frequency domain, that is, n = n1 * n2 = 1 * 4 = 4, and includes 4 measurement resource blocks, that is, k = s1 * s2 = 1 * 4 = 4.

[0201] Further, the pattern of the i-th time-frequency resource is shown in the lower figure in 16. The i-th time-frequency resource occupies 24 consecutive time slots in the time domain, that is, M = m * C1 = 4 * 6 = 24, occupies 24 consecutive RBs in the frequency domain, that is, N = n * C2 = 4 * 6 = 24, and includes 144 measurement resource blocks, that is, K = k * C1 * C2 = 4 * 6 * 6 = 144.

[0202] Example b: Assume the pattern indication information of the ith time-frequency resource includes the index of the pattern of the first time-frequency resource unit (idx1 = 1), the index of the pattern of the second time-frequency resource unit (idx2 = 10), the repetition number of the repetition block in the time domain (C1 = 6), and the repetition number of the repetition block in the frequency domain (C2 = 2).

[0203] wherein the pattern of the first time-frequency resource unit can be determined according to Figure 14 and idx1 = 1, the pattern of the second time-frequency resource unit can be determined according to Figure 15 and idx2 = 10, and further, the pattern of the repetition block can be obtained as shown in the upper graph of Figure 17 . Wherein the horizontal axis represents time slots, and the vertical axis represents RBs. The first time-frequency resource unit corresponding to idx1 = 1 occupies 1 time slot in the time domain, i.e., m1 = 1, and occupies 3 consecutive RBs in the frequency domain, i.e., n1 = 3, and the first time-frequency resource unit corresponding to idx1 = 1 includes 1 measurement resource block, i.e., s1 = 1. The second time-frequency resource unit corresponding to idx2 = 10 occupies 4 consecutive time slots in the time domain, i.e., m2 = 4, and occupies 4 consecutive RBs in the frequency domain, i.e., n2 = 4, and the second time-frequency resource unit corresponding to idx2 = 10 includes 4 measurement resource blocks, i.e., s2 = 4. It can be obtained that the repetition block occupies 4 consecutive time slots in the time domain, i.e., m = m1 * m2 = 1 * 4 = 4, occupies 12 consecutive RBs in the frequency domain, i.e., n = n1 * n2 = 3 * 4 = 12, and includes 4 measurement resource blocks, i.e., k = s1 * s2 = 1 * 4 = 4.

[0204] Further, the pattern of the ith time-frequency resource is shown in the lower graph of 17. The ith time-frequency resource occupies 24 consecutive time slots in the time domain, i.e., M = m * C1 = 4 * 6 = 24, occupies 24 consecutive RBs in the frequency domain, i.e., N = n * C2 = 12 * 2 = 24, and includes 48 measurement resource blocks, i.e., K = k * C1 * C2 = 4 * 6 * 2 = 48.

[0205] Example c: Assume the pattern indication information of the ith time-frequency resource includes the index of the pattern of the first time-frequency resource unit (idx1 = 2), the index of the pattern of the second time-frequency resource unit (idx2 = 14), the repetition number of the repetition block in the time domain (C1 = 2), and the repetition number of the repetition block in the frequency domain (C2 = 6).

[0206] wherein the pattern of the first time-frequency resource unit can be determined according to Figure 14 and idx1 = 2, the pattern of the second time-frequency resource unit can be determined according to Figure 15 and idx2 = 14, and further, the pattern of the repetition block can be obtained as shown in Figure 18The first time-frequency resource unit corresponding to idx1=2 occupies 3 time slots in the time domain, that is, m1=3, occupies 1 RB in the frequency domain, that is, n1=1, and the first time-frequency resource unit corresponding to idx1=2 includes 1 measurement resource block, that is, s1=1. The second time-frequency resource unit corresponding to idx2=14 occupies 4 consecutive time slots in the time domain, that is, m2=4, occupies 4 consecutive RBs in the frequency domain, that is, n2=4, and the second time-frequency resource unit corresponding to idx2=10 includes 4 measurement resource blocks, that is, s2=4. It can be obtained that the repetition block occupies 12 consecutive time slots in the time domain, that is, m=m1*m2=3*4=12, occupies 4 consecutive RBs in the frequency domain, that is, n=n1*n2=1*4=4, and includes 4 measurement resource blocks, that is, k=s1*s2=1*4=4.

[0207] Further, the pattern of the i-th time-frequency resource is shown in the lower graph in FIG. 18. The i-th time-frequency resource occupies 24 consecutive time slots in the time domain, that is, M=m*C1=12*2=24, occupies 24 consecutive RBs in the frequency domain, that is, N=n*C2=4*6=24, and includes 48 measurement resource blocks, that is, K=k*C1*C2=4*2*6=48.

[0208] Example d: Assuming that the pattern indication information of the i-th time-frequency resource includes the index of the pattern of the first time-frequency resource unit (idx1=3), the index of the pattern of the second time-frequency resource unit (idx2=14), the repetition number C1=2 of the repetition block in the time domain, and the repetition number C2=2 of the repetition block in the frequency domain.

[0209] The pattern of the first time-frequency resource unit can be determined according to Figure 14 and idx1=3, the pattern of the second time-frequency resource unit is determined according to Figure 15 and idx2=14, and further, the pattern of the repetition block can be obtained as Figure 19The first time-frequency resource unit corresponding to idx1=3 occupies 3 consecutive time slots in the time domain, that is, m1=3, occupies 3 consecutive RBs in the frequency domain, that is, n1=3, and the first time-frequency resource unit corresponding to idx1=3 includes 1 measurement resource block, that is, s1=1. The second time-frequency resource unit corresponding to idx2=14 occupies 4 consecutive time slots in the time domain, that is, m2=4, occupies 4 consecutive RBs in the frequency domain, that is, n2=4, and the second time-frequency resource unit corresponding to idx2=10 includes 4 measurement resource blocks, that is, s2=4. It can be obtained that the repetition block occupies 12 consecutive time slots in the time domain, that is, m=m1*m2=3*4=12, occupies 12 consecutive RBs in the frequency domain, that is, n=n1*n2=3*4=12, and includes 4 measurement resource blocks, that is, k=s1*s2=1*4=4.

[0210] Further, the pattern of the i-th time-frequency resource is shown in the lower part of FIG. 19. The i-th time-frequency resource occupies 24 consecutive time slots in the time domain, that is, M=m*C1=12*2=24, occupies 24 consecutive RBs in the frequency domain, that is, N=n*C2=12*2=24, and includes 16 measurement resource blocks, that is, K=k*C1*C2=4*2*2=16.

[0211] Example e: Assuming that the pattern indication information of the i-th time-frequency resource includes the index of the pattern of the first time-frequency resource unit (idx1=4), the index of the pattern of the second time-frequency resource unit (idx2=0), the repetition number C1=1 of the repetition block in the time domain, and the repetition number C2=6 of the repetition block in the frequency domain. Or, assuming that the pattern indication information of the i-th time-frequency resource includes the index of the pattern of the repetition block (IDX=0), the repetition number C1=1 of the repetition block in the time domain, and the repetition number C2=6 of the repetition block in the frequency domain.

[0212] wherein the pattern of the first time-frequency resource unit can be determined according to Figure 14 and idx1=4, idx2=0 indicates that the pattern of the second time-frequency resource unit is empty, denoted as 1, and further, the pattern of the repetition block can be obtained as shown in the upper part of FIG. 19. Figure 20 It can be understood that when idx2=0, the pattern of the first time-frequency resource unit is the pattern of the repetition block.

[0213] The horizontal axis represents time slots, and the vertical axis represents RBs. idx1=4 corresponds to a first time-frequency resource unit occupying 1 time slot in the time domain, that is, m1=1, and 2 consecutive RBs in the frequency domain, that is, n1=2. The first time-frequency resource unit corresponding to idx1=4 includes 2 measurement resource blocks, that is, s1=2. The repetition block occupies 1 time slot in the time domain, that is, m=m1=1, and 2 consecutive RBs in the frequency domain, that is, n=n1=2. The repetition block includes 2 measurement resource blocks, that is, k=s1=2.

[0214] Further, the pattern of the ith time-frequency resource is shown in the lower part of FIG. 20. The ith time-frequency resource occupies 1 time slot in the time domain, that is, M=m*C1=1*1=1, and 12 consecutive RBs in the frequency domain, that is, N=n*C2=2*6=12. The ith time-frequency resource includes 12 measurement resource blocks, that is, K=k*C1*C2=2*1*6=12.

[0215] It can be understood that the above examples are only examples and do not limit the present application.

[0216] In a possible design, the pattern of the first time-frequency resource unit is determined according to a variation rate of the power of the uplink interference signal in the frequency domain and / or the time domain.

[0217] For example, the variation rate of the uplink interference signal in the frequency domain can be determined according to interference powers corresponding to adjacent RBs. If the interference powers corresponding to the adjacent RBs are less than a first preset threshold, that is, the frequency selection characteristic of the uplink interference is not obvious, the measurement block in the frequency domain can be reduced by adjusting the pattern of the first time-frequency unit.

[0218] For example, it is assumed that the network device configures the terminal device with a pattern of an ith time-frequency resource as shown in FIG. 20. Figure 16 If the network device obtains interference powers corresponding to adjacent RBs through a period of measurement, and determines that the frequency domain variation rate of the interference power is less than a first preset threshold according to the interference powers corresponding to the adjacent RBs, the network device can reconfigure the time-frequency resource, reduce the measurement block in the frequency domain by adjusting the pattern of the first time-frequency unit, for example, change the index of the pattern of the first time-frequency unit from idx1=0 to idx1=1, so that the pattern of the reconfigured time-frequency resource is as shown in FIG. 20. Figure 17 Figure 16 Figure 17 Compared with the distribution of the measurement block in the frequency domain in FIG. 20, the distribution of the measurement block in the frequency domain is more sparse, and the resource overhead for uplink interference measurement can be further saved.

[0219] ​​For example, the rate of change of the uplink interference signal in the time domain can be determined based on the interference power corresponding to each adjacent time slot. If the interference power corresponding to each adjacent time slot is less than the second preset threshold, that is, the time-varying characteristics of the uplink interference are not obvious, the overhead of the measurement block in the time domain can be reduced by adjusting the pattern of the first time-frequency unit.

[0220] Example 1: Suppose the network device configures the i-th time-frequency resource for the terminal device as follows: Figure 16 As shown, if the network device obtains the interference power corresponding to adjacent time slots through measurement over a period of time, and determines that the time-domain change rate of the interference power is less than a second preset threshold based on the interference power corresponding to adjacent time slots, then the network device can reconfigure the time-frequency resources. This can be achieved by adjusting the pattern of the first time-frequency unit to reduce the time-domain overhead of the measurement block. For example, the index of the first time-frequency unit's pattern can be changed from idx1 = 0 to idx1 = 2, and the index of the second time-frequency unit's pattern can be changed from idx2 = 10 to idx2 = 14, resulting in a reconfigured time-frequency resource pattern as shown. Figure 18 As shown. Compared to Figure 16 , Figure 18 The distribution of measurement blocks in the time domain is relatively sparse, which can further save the resource overhead used for uplink interference measurement.

[0221] Example 2: Suppose the network device configures the i-th time-frequency resource for the terminal device as follows: Figure 16 As shown, if the network device determines through measurements over a period of time that the frequency domain change rate of the interference power is less than a first preset threshold and the time domain change rate of the interference power is less than a second preset threshold, then the network device can reconfigure the time-frequency resources. This can be achieved by adjusting the pattern of the first time-frequency unit, reducing the overhead of the measurement block in both the time and frequency domains. For example, the index of the first time-frequency unit's pattern can be changed from idx1 = 0 to idx1 = 3, and the index of the second time-frequency unit's pattern can be changed from idx2 = 10 to idx2 = 14, resulting in a reconfigured time-frequency resource pattern as shown. Figure 19 As shown. Compared to Figure 16 , Figure 19 The distribution of measurement blocks in the measurement module is relatively sparse in both the time and frequency domains, which can further reduce the resource overhead used for uplink interference measurement.

[0222] It is understandable that in Examples 1 and 2 above, changing the index of the pattern of the second time-frequency unit from idx2=10 to idx2=14 does not affect the resource overhead, and the index of the pattern of the second time-frequency unit can also be left unchanged.

[0223] By adopting the above manner B, low resource overhead and diversification can be achieved, and signaling overhead can be reduced. The network device can select a suitable pattern of the first resource unit and a pattern of the second resource unit according to the result of the uplink interference measurement, so as to obtain a desired repetition block and a pattern of time-frequency resources, implement resource configuration optimization, and further reduce resource overhead.

[0224] To sum up, in the present application, the REs for uplink interference measurement do not occupy the total number of REs included in each measurement resource block, so that the RE distribution has the characteristic of sparseness in the time-frequency domain, and resource overhead can be reduced. Further, by configuring a repetition block and setting the repetition number of the repetition block in the time-frequency domain, the distribution of the measurement block can have the characteristics of a long time and a large frequency band, and therefore, uplink interference signals can be measured in a large range of time-frequency domain, and the statistical characteristics of the uplink interference signals in the time-frequency domain can be obtained.

[0225] In addition, uplink interference has the characteristic of beam level, that is, for a single-satellite multi-beam scenario, the interference received by the satellite in different beam directions is different, and therefore, each time-frequency resource can correspond to a beam direction, where the beam direction refers to the direction of the receiving beam of the network device, for example, the ith time-frequency resource is associated with the jth beam, and then the network device measures the uplink interference on the ith time-frequency resource, so as to obtain the uplink interference measurement result in the beam direction of the jth beam, where j is a positive integer.

[0226] It can be understood that, in order to implement the functions in the above embodiments, the network device and the terminal device include corresponding hardware structures and / or software modules for executing various functions. Those skilled in the art should easily realize that, in combination with the units and method steps of the examples described in the embodiments disclosed in the present application, the present application can be realized in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed in the form of hardware or computer software driving hardware depends on the specific application scenario and design constraints of the technical solution.

[0227] Figure 21 and Figure 22 The structural schematic diagram of a possible communication apparatus provided by the embodiments of the present application is provided. The communication apparatus can be used to implement the functions of the terminal device or the network device in the above method embodiments, and thus the beneficial effects possessed by the above method embodiments can also be achieved. In the embodiments of the present application, the communication apparatus can be one of 120a-120g in Figure 1 , or can be 110a, 110b and 110c of Figure 1 , or can be a module (such as a chip) applied to a terminal device or a base station.

[0228] As shown in Figure 21As shown, the communication device 2100 includes a processing unit 2110 and a transceiver unit 2120. The communication device 2100 is used to implement the above-mentioned... Figure 2 The methods illustrated in this embodiment demonstrate the functions of the terminal device or network device.

[0229] When the communication device 2100 is used to implement Figure 9 The function of the network device in the method embodiment shown is as follows:

[0230] The transceiver unit 2120 is used to send first information to the terminal device. The first information is used to indicate at least one time-frequency resource. I time-frequency resources in the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks RB in the frequency domain. Each of the I time-frequency resources includes K measurement resource blocks. Each measurement resource block occupies 1 time slot in the time domain and 1 RB in the frequency domain. The number of resource units (REs) used for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block. Where M, N, K, and I are positive integers, and K ≤ M * N.

[0231] Processing unit 2110 calls transceiver unit 2120 to perform: measuring uplink interference signal on the resource unit used for uplink interference measurement in each measurement resource block.

[0232] When the communication device 2100 is used to implement Figure 9 The terminal device functions as shown in the method embodiment:

[0233] The transceiver unit 2120 is used to receive first information from the network device. The first information is used to indicate at least one time-frequency resource. I time-frequency resources in the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks RB in the frequency domain. Each of the I time-frequency resources includes K measurement resource blocks. Each measurement resource block occupies 1 time slot in the time domain and 1 RB in the frequency domain. The number of resource units (REs) used for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block. Where M, N, K, and I are positive integers, and K ≤ M * N.

[0234] Processing unit 2110 is used to determine that signals are not transmitted on resource units used for uplink interference measurement in each measurement resource block.

[0235] For a more detailed description of the processing unit 2110 and the transceiver unit 2120, please refer to [the relevant documentation]. Figure 9 The relevant descriptions in the method embodiments shown are directly obtained and will not be repeated here.

[0236] like Figure 22As shown, the communication apparatus 2200 includes a processor 2210 and an interface circuit 2220. The processor 2210 and the interface circuit 2220 are coupled to each other. It can be understood that the interface circuit 2220 can be a transceiver or an input / output interface. Optionally, the communication apparatus 2200 can further include a memory 2230, used to store instructions executed by the processor 2210 or to store input data required by the processor 2210 to execute instructions or to store data generated after the processor 2210 executes instructions.

[0237] When the communication apparatus 2200 is used to implement the method shown in the above method embodiments, the processor 2210 is used to implement the functions of the processing unit 2110, and the interface circuit 2220 is used to implement the functions of the transceiving unit 2120. Figure 9

[0238] When the communication apparatus is a chip applied to a terminal device, the chip of the terminal device implements the functions of the terminal device in the above method embodiments. The chip of the terminal device receives information from other modules (such as a radio frequency module or an antenna) in the terminal device, and the information is sent by a network device to the terminal device; or the chip of the terminal device sends information to other modules (such as a radio frequency module or an antenna) in the terminal device, and the information is sent by the terminal device to the network device.

[0239] When the communication apparatus is a module applied to a network device, the network device module implements the functions of the network device in the above method embodiments. The network device module receives information from other modules (such as a radio frequency module or an antenna) in the network device, and the information is sent by a terminal device to the network device; or the network device module sends information to other modules (such as a radio frequency module or an antenna) in the network device, and the information is sent by the network device to the terminal device. The network device module herein can be a baseband chip of the network device, or a DU or other module. The DU herein can be a DU under an open radio access network (O-RAN) architecture.

[0240] ​It is to be understood that the processor in the embodiments of the present application can be a central processing unit (CPU), and can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. The general-purpose processor can be a microprocessor or any conventional processor.

[0241] In the present application, another example of providing an apparatus is provided, the notification apparatus comprising at least one processor and at least one memory coupled to the at least one processor, the at least one memory for storing instructions that, when executed by the at least one processor, cause the communication apparatus to perform the method in the above embodiments. Taking the communication apparatus comprising one processor and one memory as an example, as shown in Figure 22 The communication apparatus 2200 comprises one processor 2210 and one memory 2230. The processor 2210 and the memory 2230 are coupled, and the memory 2230 stores instructions, when the instructions stored in the memory 2230 are executed by the processor 2210, the communication apparatus 2200 performs the method performed by the network device or the terminal device in the above embodiments.

[0242] The method steps in the embodiments of the present application can be implemented in hardware, or can be implemented in software instructions executable by a processor. The software instructions can be composed of corresponding software modules, and the software modules can be stored in a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically programmable read-only memory, a register, a hard disk, a mobile hard disk, a CD-ROM or any other form of storage medium well known in the art. An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium. The storage medium can also be an integral part of the processor. The processor and the storage medium can be located in an ASIC. In addition, the ASIC can be located in the network device or the terminal device. The processor and the storage medium can also exist as discrete components in the network device or the terminal device.

[0243] In the above embodiments, all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof. When implemented by software, all or part of the embodiments can be implemented in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer programs or instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments are performed. The computer can be a general purpose computer, a special purpose computer, a computer network, a network device, a user equipment or other programmable apparatus. The computer programs or instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer programs or instructions can be transferred from one website site, computer, server or data center to another website site, computer, server or data center through wired or wireless manner. 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, data center and the like integrated with one or more available media. The available media can be a magnetic medium, such as a floppy disk, a hard disk, a magnetic tape; or an optical medium, such as a digital video disc; or a semiconductor medium, such as a solid state disk. The computer readable storage medium can be a volatile or non-volatile storage medium, or can include both volatile and non-volatile storage media.

[0244] In various embodiments of the present application, the terms and / or descriptions of different embodiments are consistent and can be referred to each other if there is no special description and logical conflict. The technical features in different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0245] In the present application, "at least one" means one or more, and "multiple" means two or more. The association relationship between the associated objects is described, which means that there can be three kinds of relationships, for example, A and / or B, which can represent the following cases: A exists alone, A and B exist together, B exists alone, where A and B can be singular or plural. In the literal description of the present application, the character " / ", generally represents that the associated objects before and after are in an "or" relationship; in the formula of the present application, the character " / ", represents that the associated objects before and after are in a "division" relationship. "Including at least one of A, B and C" can mean: including A; including B; including C; including A and B; including A and C; including B and C; including A, B and C.

[0246] It can be understood that various numbers involved in the embodiments of the present application are only distinguished for convenience of description, and do not limit the scope of the embodiments of the present application. The size of the serial number of the above processes does not mean the order of execution, and the execution order of the processes should be determined according to its function and inherent logic.

Claims

1. A method for measuring uplink interference, characterized in that, The method includes: The network device sends first information to the terminal device. This first information indicates at least one time-frequency resource. I of the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks (RBs) in the frequency domain. Each of the I time-frequency resources includes K measurement resource blocks. Each measurement resource block occupies one time slot in the time domain and one RB in the frequency domain. The number of resource elements (REs) used for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block. Here, M, N, K, and I are integers greater than or equal to 2, and K ≤ M. N; In the I time-frequency resources, the pattern of the i-th time-frequency resource is determined based on the pattern of the repeating block in the i-th time-frequency resource, the number of repetitions of the repeating block in the time domain C1, and the number of frequency domain repetitions of the repeating block in the frequency domain C2. The repeating block occupies m consecutive time slots in the time domain and n consecutive red-band blocks in the frequency domain; the repeating block includes k measurement resource blocks; the pattern of the repeating block is used to indicate the position of the k measurement resource blocks in the repeating block; Where C1, C2, m, n, and k are positive integers, and k ≤ m n, M=m C1, N=n C2, K=k C1 C2; Where i takes any positive integer from 1 to I; The network device measures the uplink interference signal on the resource unit used for uplink interference measurement in each measurement resource block.

2. A method for measuring uplink interference, characterized in that, The method includes: The terminal device receives first information from the network device. This first information indicates at least one time-frequency resource. One of the at least one time-frequency resources occupies M consecutive time slots in the time domain and N redundancy blocks (RBs) in the frequency domain. Each of the I time-frequency resources includes K measurement resource blocks. Each measurement resource block occupies one time slot in the time domain and one RB in the frequency domain. The number of REs used for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block. Here, M, N, K, and I are integers greater than or equal to 2, and K ≤ M. N; In the I time-frequency resources, the pattern of the i-th time-frequency resource is determined based on the pattern of the repeating block in the i-th time-frequency resource, the number of repetitions of the repeating block in the time domain C1, and the number of frequency domain repetitions of the repeating block in the frequency domain C2. The repeating block occupies m consecutive time slots in the time domain and n consecutive red-band blocks in the frequency domain; the repeating block includes k measurement resource blocks; the pattern of the repeating block is used to indicate the position of the k measurement resource blocks in the repeating block; Where C1, C2, m, n, and k are positive integers, and k ≤ m n, M=m C1, N=n C2, K=k C1 C2; Where i takes any positive integer from 1 to I; The terminal device does not send signals on the resource units used for uplink interference measurement in each measurement resource block.

3. The method as described in claim 1 or 2, characterized in that, The first information includes S indication information, each indicating a time-frequency resource. The S indication information corresponds one-to-one with the S time-frequency resources, where S is a positive integer greater than or equal to 1. When the value of S is greater than or equal to 2, the S time-frequency resources are all different. Alternatively, the at least one time-frequency resource is a periodic time-frequency resource, and the first information includes an indication and a period, wherein the indication indicates a time-frequency resource and the period is the period of the time-frequency resource indicated by the indication.

4. The method as described in claim 1 or 2, characterized in that, In the I time-frequency resources, the indication information corresponding to the i-th time-frequency resource includes the start time slot indication information of the i-th time-frequency resource, the start resource block indication information of the i-th time-frequency resource, and the pattern indication information of the i-th time-frequency resource, and at least one of the pattern indication information of the RE used for uplink interference measurement; Wherein, the pattern of the i-th time-frequency resource is used to determine the position of the K measurement resource blocks in the i-th time-frequency resource, and the pattern of the RE used for uplink interference measurement is used to determine the position of the RE used for uplink interference measurement in the measurement resource block; Where i takes any positive integer from 1 to I.

5. The method as described in claim 1 or 2, characterized in that, The pattern indication information of the i-th time-frequency resource includes the pattern indication information of the repeating block, the number of repetitions of the repeating block in the time domain C1 and the number of repetitions of the repeating block in the frequency domain C2.

6. The method as described in claim 5, characterized in that, The pattern indication information of the repeating block includes an index of the pattern of the repeating block, or parameters used to determine the pattern of the repeating block.

7. The method as described in claim 1 or 2, characterized in that, The pattern of the repeating block is determined based on the patterns of the first time-frequency resource unit and the second time-frequency resource unit. The first time-frequency resource unit occupies m1 consecutive time slots in the time domain and n1 consecutive red-light blocks (RBs) in the frequency domain, and includes s1 measurement resource blocks. The second time-frequency resource unit occupies m2 consecutive time slots in the time domain and n2 consecutive RBs in the frequency domain, and includes s2 measurement resource blocks. m1, m2, n1, n2, s1, and s2 are positive integers, and k = s1. s2, m=m1 m2, n=n1 n2; The pattern of the first time-frequency resource unit is used to indicate the position of the s1 measurement resource blocks in the first time-frequency resource unit; The pattern of the second time-frequency resource unit is used to indicate the position of the s2 measurement resource blocks in the second time-frequency resource unit.

8. The method as described in claim 7, characterized in that, In the second time-frequency resource unit, m2=n2=s2, and the s2 measurement resource blocks do not overlap in either the time or frequency domain.

9. The method as described in claim 7, characterized in that, The pattern of the first time-frequency resource unit is determined based on the rate of change of the power of the uplink interference signal in the frequency domain and / or time domain.

10. The method as described in claim 7, characterized in that, The pattern indication information of the repeating block includes the pattern indication information of the first time-frequency resource unit and the pattern indication information of the second time-frequency resource unit; The pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or parameters for determining the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or parameters for determining the pattern of the second time-frequency resource unit.

11. The method as described in claim 4, characterized in that, The pattern indication information of the RE used for uplink interference measurement includes the number of symbols, the starting symbol offset, the number of subcarriers, and the starting subcarrier offset; Alternatively, the pattern indication information of the RE used for uplink interference measurement may include the number of symbols, the starting symbol offset, the comb size, and the starting subcarrier offset.

12. An uplink interference measurement device, characterized in that, The device includes: The transceiver unit is used to send first information to the terminal device. This first information indicates at least one time-frequency resource. I of the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks (RBs) in the frequency domain. Each of the I time-frequency resources includes K measurement resource blocks. Each measurement resource block occupies one time slot in the time domain and one RB in the frequency domain. The number of resource elements (REs) used for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block. Here, M, N, K, and I are integers greater than or equal to 2, and K ≤ M. N; In the I time-frequency resources, the pattern of the i-th time-frequency resource is determined based on the pattern of the repeating block in the i-th time-frequency resource, the number of repetitions of the repeating block in the time domain C1, and the number of frequency domain repetitions of the repeating block in the frequency domain C2. The repeating block occupies m consecutive time slots in the time domain and n consecutive red-band blocks in the frequency domain; the repeating block includes k measurement resource blocks; the pattern of the repeating block is used to indicate the position of the k measurement resource blocks in the repeating block; Where C1, C2, m, n, and k are positive integers, and k ≤ m n, M=m C1, N=n C2, K=k C1 C2; Where i takes any positive integer from 1 to I; The processing unit calls the transceiver unit to perform the following: measure the uplink interference signal on the resource unit used for uplink interference measurement in each measurement resource block.

13. An uplink interference measurement device, characterized in that, The device includes: The transceiver unit is used to receive first information from the network device. This first information indicates at least one time-frequency resource. I of the at least one time-frequency resource occupy M consecutive time slots in the time domain and N consecutive resource blocks (RBs) in the frequency domain. Each of the I time-frequency resources includes K measurement resource blocks. Each measurement resource block occupies one time slot in the time domain and one RB in the frequency domain. The number of resource elements (REs) used for uplink interference measurement in each measurement resource block is less than the total number of REs included in each measurement resource block. Here, M, N, K, and I are integers greater than or equal to 2, and K ≤ M. N; In the I time-frequency resources, the pattern of the i-th time-frequency resource is determined based on the pattern of the repeating block in the i-th time-frequency resource, the number of repetitions of the repeating block in the time domain C1, and the number of frequency domain repetitions of the repeating block in the frequency domain C2. The repeating block occupies m consecutive time slots in the time domain and n consecutive red-band blocks in the frequency domain; the repeating block includes k measurement resource blocks; the pattern of the repeating block is used to indicate the position of the k measurement resource blocks in the repeating block; Where C1, C2, m, n, and k are positive integers, and k ≤ m n, M=m C1, N=n C2, K=k C1 C2; Where i takes any positive integer from 1 to I; The processing unit is used to determine which resource units in each measurement resource block are not used for uplink interference measurement to transmit signals.

14. The apparatus as claimed in claim 12 or 13, characterized in that, The first information includes S indication information, each indicating a time-frequency resource. The S indication information corresponds one-to-one with the S time-frequency resources, where S is a positive integer greater than or equal to 1. When the value of S is greater than or equal to 2, the S time-frequency resources are all different. Alternatively, the at least one time-frequency resource is a periodic time-frequency resource, and the first information includes an indication and a period, wherein the indication indicates a time-frequency resource and the period is the period of the time-frequency resource indicated by the indication.

15. The apparatus as claimed in claim 12 or 13, characterized in that, In the I time-frequency resources, the indication information corresponding to the i-th time-frequency resource includes the start time slot indication information of the i-th time-frequency resource, the start resource block indication information of the i-th time-frequency resource, and the pattern indication information of the i-th time-frequency resource, and at least one of the pattern indication information of the RE used for uplink interference measurement; Wherein, the pattern of the i-th time-frequency resource is used to determine the position of the K measurement resource blocks in the i-th time-frequency resource, and the pattern of the RE used for uplink interference measurement is used to determine the position of the RE used for uplink interference measurement in the measurement resource block; Where i takes any positive integer from 1 to I.

16. The apparatus as claimed in claim 12 or 13, characterized in that, The pattern indication information of the i-th time-frequency resource includes the pattern indication information of the repeating block, the number of repetitions of the repeating block in the time domain C1 and the number of repetitions of the repeating block in the frequency domain C2.

17. The apparatus as claimed in claim 16, characterized in that, The pattern indication information of the repeating block includes an index of the pattern of the repeating block, or parameters used to determine the pattern of the repeating block.

18. The apparatus as claimed in claim 12 or 13, characterized in that, The pattern of the repeating block is determined based on the patterns of the first time-frequency resource unit and the second time-frequency resource unit. The first time-frequency resource unit occupies m1 consecutive time slots in the time domain and n1 consecutive red-light blocks (RBs) in the frequency domain, and includes s1 measurement resource blocks. The second time-frequency resource unit occupies m2 consecutive time slots in the time domain and n2 consecutive RBs in the frequency domain, and includes s2 measurement resource blocks. m1, m2, n1, n2, s1, and s2 are positive integers, and k = s1. s2, m=m1 m2, n=n1 n2; The pattern of the first time-frequency resource unit is used to indicate the position of the s1 measurement resource blocks in the first time-frequency resource unit; The pattern of the second time-frequency resource unit is used to indicate the position of the s2 measurement resource blocks in the second time-frequency resource unit.

19. The apparatus as claimed in claim 18, characterized in that, In the second time-frequency resource unit, m2=n2=s2, and the s2 measurement resource blocks do not overlap in either the time or frequency domain.

20. The apparatus as claimed in claim 18, characterized in that, The pattern of the first time-frequency resource unit is determined based on the rate of change of the power of the uplink interference signal in the frequency domain and / or time domain.

21. The apparatus as claimed in claim 18, characterized in that, The pattern indication information of the repeating block includes the pattern indication information of the first time-frequency resource unit and the pattern indication information of the second time-frequency resource unit; The pattern indication information of the first time-frequency resource unit includes an index of the pattern of the first time-frequency resource unit or parameters for determining the pattern of the first time-frequency resource unit, and the pattern indication information of the second time-frequency resource unit includes an index of the pattern of the second time-frequency resource unit or parameters for determining the pattern of the second time-frequency resource unit.

22. The apparatus as claimed in claim 15, characterized in that, The pattern indication information of the RE used for uplink interference measurement includes the number of symbols, the starting symbol offset, the number of subcarriers, and the starting subcarrier offset; Alternatively, the pattern indication information of the RE used for uplink interference measurement may include the number of symbols, the starting symbol offset, the comb size, and the starting subcarrier offset.

23. A communication device, characterized in that, Includes units or modules for performing the method as described in any one of claims 1-11.

24. A communication device, characterized in that, include: One or more processors and one or more memories; wherein the one or more memories store one or more programs that, when executed by the one or more processors, cause the apparatus to perform the method as described in any one of claims 1-11.

25. A chip system, characterized in that, The chip system includes at least one chip and a memory, wherein the at least one chip is used to read and execute a program stored in the memory to implement the method as described in any one of claims 1-11.

26. A readable storage medium, characterized in that, The readable storage medium includes a program that, when run on the device, causes the device to perform the method as described in any one of claims 1-11.

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