Communication method, apparatus, network device, terminal, device, medium, and product

Abstract

The application provides a communication method, device, network equipment, terminal, equipment, medium and product, and relates to the technical field of communication, wherein a base station receives reference signal configuration information; according to the reference signal configuration information, a reference signal is generated and sent on at least one symbol; the reference signal configuration information is used for indicating resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: the reference signal has a repeated resource unit occupation mode in each resource block in the same cell; a plurality of resource units of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain in a single resource block; all resource units in the resource block are allocated to the reference signal of one or more cells in each resource block in which resources are allocated to the reference signal; when the reference signal is allocated to a plurality of cells, the reference signals allocated to different cells occupy different resource units. The reference signal of the application can take into account the sensing service and fully improve the spectrum resource utilization rate.

Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to a communication method, apparatus, network device, terminal, equipment, medium and product. Background Technology

[0002] Communication and sensing integration is an important technological direction for 5G-A and 6G. By integrating communication technology with radar technology, mobile communication networks are able to perceive target objects and environmental information, including angle measurement, speed measurement, and distance measurement. This can be used for sensing services such as low-altitude drone detection and water vessel detection.

[0003] Currently, to adapt to common application scenarios, a sensing frame structure design for low-altitude and water areas has been completed under the base station's self-transmitting and self-receiving operating mode. However, while this sensing frame structure design basically meets the low-altitude sensing requirements, it cannot meet the higher sensing index requirements such as coverage distance, false alarms, and location accuracy in some special scenarios.

[0004] Related technologies propose reusing existing communication reference signals, such as Channel State Information Reference Signals (CSI-RS), for sensing. However, on the one hand, the sparse structure of existing communication reference signals in the frequency domain, characterized by non-uniform spacing, leads to severe distance ambiguity and false alarms, reducing the reliability of sensing. On the other hand, since the power of communication data signals is much stronger than the weak sensing echo signals, it causes severe data channel interference, deteriorating the sensing signal-to-noise ratio and accuracy. Furthermore, in densely networked scenarios, existing signal designs lack a systematic neighboring cell interference coordination mechanism, resulting in performance degradation when multiple base stations perform sensing simultaneously. Summary of the Invention

[0005] This application provides a communication method, apparatus, network device, terminal, equipment, medium, and product to solve the technical problems existing in the prior art when sensing reference signals.

[0006] In a first aspect, embodiments of this application provide a communication method applied to a base station, the method comprising:

[0007] Receive reference signal configuration information;

[0008] Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol;

[0009] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0010] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0011] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0012] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0013] According to a communication method provided in an embodiment of this application, when the resource configuration of the reference signal is allocated to only a single cell, the single cell occupies all resource units within the resource block where the reference signal is located.

[0014] According to an embodiment of this application, in a communication method, when the resource configuration of the reference signal is allocated to multiple cells, the multiple cells jointly occupy all resource units within the resource block where the reference signal is located.

[0015] According to an embodiment of this application, a communication method is provided in which the reference signals allocated to different cells have different subcarrier start positions.

[0016] According to an embodiment of this application, in a communication method, within a single resource block, any two adjacent resource elements of the reference signal allocated to the same cell have the same subcarrier spacing.

[0017] According to an embodiment of this application, a communication method is provided in which, when the reference signal is configured as a single port, the reference signal configuration information includes the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, and frequency domain density.

[0018] The reference signal configuration information satisfies the following conditions:

[0019] The number of comb teeth is 1, 2, 3, 4, 6 or 12;

[0020] The starting position of the symbol is any integer from 0 to 13;

[0021] The number of symbols is any integer from 1 to 14;

[0022] The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and global subcarrier spacing.

[0023] The starting position of the subcarrier is any integer from 0 to 13;

[0024] The subcarrier spacing is any integer from 0 to 11;

[0025] The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12.

[0026] According to an embodiment of this application, a communication method is provided in which the combination mode of the number of comb teeth and the frequency domain density includes at least one of the following:

[0027] The number of comb teeth is 1, and the frequency domain density is 12; or...

[0028] The number of comb teeth is 2, and the frequency domain density is 6; or...

[0029] The number of comb teeth is 3, and the frequency domain density is 4; or...

[0030] The number of comb teeth is 4, and the frequency domain density is 3; or...

[0031] The number of comb teeth is 6, and the frequency domain density is 2; or...

[0032] The number of comb teeth is 12, and the frequency domain density is 1.

[0033] According to an embodiment of this application, a communication method is provided in which, when the reference signal is configured as a multi-port signal, the reference signal configuration information includes the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, frequency domain density, number of code division multiplexing groups, number of frequency division multiplexing groups, and number of time division multiplexing groups.

[0034] The reference signal configuration information satisfies the following conditions:

[0035] The number of comb teeth is 1, 2, 3, 4, 6 or 12;

[0036] The starting position of the symbol is any integer from 0 to 13;

[0037] The number of symbols is any integer from 1 to 14;

[0038] The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and subcarrier spacing.

[0039] The starting position of the subcarrier is any integer from 0 to 13 or 16;

[0040] The subcarrier spacing is any integer from 0 to 11 or 16;

[0041] The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12;

[0042] The number of code division multiplexing groups is 2, 4 or 8;

[0043] The number of frequency division multiplexing groups is 2;

[0044] The number of time-division multiplexing groups is 1, 2 or 4.

[0045] According to a communication method provided in an embodiment of this application, when the multi-port configuration is a 2-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0046] The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0047] The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0048] The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0049] The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0050] According to a communication method provided in an embodiment of this application, when the multi-port configuration is a 4-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0051] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0052] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0053] The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0054] The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0055] The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0056] The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0057] According to a communication method provided in an embodiment of this application, when the multi-port configuration is an 8-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0058] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0059] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0060] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0061] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

[0062] According to a communication method provided in an embodiment of this application, when the multi-port configuration is a 12-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0063] The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0064] The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0065] The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

[0066] According to a communication method provided in an embodiment of this application, when the multi-port configuration is a 16-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0067] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0068] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0069] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0070] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0071] According to a communication method provided in an embodiment of this application, when the multi-port configuration is a 24-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0072] The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0073] The number of comb teeth is 1, the frequency domain density is 31, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0074] The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0075] The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

[0076] According to a communication method provided in an embodiment of this application, when the multi-port configuration is a 32-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0077] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0078] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0079] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0080] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0081] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0082] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

[0083] Secondly, embodiments of this application provide a communication method applied to a terminal, the method comprising:

[0084] Receive reference signal configuration information;

[0085] According to the reference signal configuration information, a reference signal is received on at least one symbol;

[0086] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0087] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0088] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0089] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0090] Thirdly, embodiments of this application also provide a communication device applied to a base station, the device comprising:

[0091] The first receiving module is used to receive reference signal configuration information;

[0092] A configuration module is configured to generate and transmit a reference signal on at least one symbol based on the reference signal configuration information.

[0093] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0094] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0095] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0096] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0097] Fourthly, embodiments of this application also provide a communication device applied to a terminal, the device comprising:

[0098] The second receiving module is used to receive reference signal configuration information;

[0099] The third receiving module is used to receive a reference signal on at least one symbol according to the reference signal configuration information;

[0100] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0101] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0102] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0103] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0104] Fifthly, embodiments of this application also provide a network device, characterized in that it includes a memory, a transceiver, and a processor;

[0105] A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations:

[0106] Receive reference signal configuration information;

[0107] Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol;

[0108] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0109] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0110] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0111] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0112] Sixthly, embodiments of this application also provide a terminal, characterized in that it includes a memory, a transceiver, and a processor;

[0113] A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations:

[0114] Receive reference signal configuration information;

[0115] According to the reference signal configuration information, a reference signal is received on at least one symbol;

[0116] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0117] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0118] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0119] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0120] In a seventh aspect, embodiments of this application also provide an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement any of the communication methods described above.

[0121] Eighthly, embodiments of this application also provide a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the communication method as described above.

[0122] Ninthly, embodiments of this application also provide a computer program product, including a computer program that, when executed by a processor, implements the communication method as described above.

[0123] The communication method, apparatus, network device, terminal, equipment, medium, and product provided in this application fundamentally solve the distance ambiguity problem caused by signal structure irregularities by having the reference signal have a repeated resource unit occupancy pattern in each resource block of the same cell and arranging multiple resource units of the reference signal within a single resource block at equal intervals in the frequency domain. This significantly reduces false alarms caused by distance ambiguity. Secondly, all resource units within each resource block are allocated to the reference signal of one or more cells, eliminating the multiplexing of sensing signals with other data signals in the frequency domain, eradicating internal interference sources, and ensuring the signal-to-noise ratio of weak echo signals. Finally, by allocating different resource units to different cells, the stability of sensing performance in dense network environments is ensured. Therefore, when the reference signal provided in this application is used for communication, it can also accommodate sensing services, fully improving the utilization rate of spectrum resources. Attached Figure Description

[0124] To more clearly illustrate the technical solutions in this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0125] Figure 1 This is a schematic diagram of 4.9GHz cross-slot interference in the communication method provided in the embodiments of this application.

[0126] Figure 2 This is one of the flowcharts illustrating the communication method provided in the embodiments of this application.

[0127] Figure 3 This is a schematic diagram of a single-port design for a reference signal provided in an embodiment of this application.

[0128] Figure 4 This is a schematic diagram of the reference signal 2-port design provided in an embodiment of this application.

[0129] Figure 5 This is a schematic diagram of a 4-port reference signal design provided in an embodiment of this application.

[0130] Figure 6 This is a schematic diagram of an 8-port reference signal design provided in an embodiment of this application.

[0131] Figure 7 This is a schematic diagram of a 12-port reference signal design provided in an embodiment of this application.

[0132] Figure 8 This is a schematic diagram of a 16-port reference signal design provided in an embodiment of this application.

[0133] Figure 9 This is a schematic diagram of a 24-port reference signal design provided in an embodiment of this application.

[0134] Figure 10 This is a schematic diagram of a 32-port reference signal design provided in an embodiment of this application.

[0135] Figure 11 This is the second flowchart illustrating the communication method provided in the embodiments of this application.

[0136] Figure 12 This is one of the structural schematic diagrams of the communication device provided in the embodiments of this application.

[0137] Figure 13 This is the second schematic diagram of the communication device provided in the embodiments of this application.

[0138] Figure 14This is a schematic diagram of the network device provided in the embodiments of this application.

[0139] Figure 15 This is a schematic diagram of the terminal structure provided in the embodiments of this application.

[0140] Figure 16 This is a schematic diagram of the structure of the electronic device provided in the embodiments of this application. Detailed Implementation

[0141] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0142] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same class, not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0143] To facilitate a clearer understanding of the various embodiments of this application, some relevant knowledge will be introduced as follows.

[0144] Communication and sensing integration is an important technological direction for 5G-A and 6G. By integrating communication technology with radar technology, mobile communication networks are able to perceive target objects and environmental information, including angle measurement, speed measurement, and distance measurement. This can be used for sensing services such as low-altitude drone detection and water vessel detection.

[0145] Currently, to adapt to common application scenarios, the sensor frame structure design for low-altitude and water areas has been completed under the base station's self-transmitting and self-receiving operating mode. For example, refer to... Figure 1 The 4.9G sensing frame structure design shown selects the first downlink time slot after U as the sensing time slot, namely slot0 and slot5; then selects the first 7 symbols of the sensing time slot as sensing symbols, and the last 7 symbols of the sensing time slot are used for communication services. The sensing waveform parameters are designed differently according to the sensing coverage requirements of different service scenarios.

[0146] However, in practical applications, it was found that within a 1.2km coverage area, a positional accuracy of 20 meters can be achieved, which basically meets the needs of low-altitude perception, but cannot meet the higher perception index requirements such as coverage distance, false alarms, and positional accuracy in some special scenarios.

[0147] Based on this, related technologies propose to increase sensing air interface resources. However, the current 5G-A stage uses a time-division multiplexing approach for system design. If this approach is continued, it will inevitably lead to a performance degradation caused by a reduction in communication resources. Therefore, a signal design method integrating communication and sensing is proposed, which can effectively increase sensing resources without affecting communication performance.

[0148] Currently, using communication signals for sensing can solve the problem of resource contention between communication and sensing. Considering that sensing requires full-area scanning and high transmission frequency, CSI-RS signals are usually the first choice. In the current network, this signal is configured at the cell level, which can cover the entire area and transmits normally even when there are no users.

[0149] The 3rd Generation Partnership Project (3GPP) specifies the transmission pattern for the Channel State Information Reference Signal (CSI-RS): the signal can be configured with 1 to 32 ports, with a minimum of 1 port and a maximum of 32 ports. Currently, most operational communication networks use an 8-port configuration.

[0150] In one example, CSI-RS employs a specific transmission pattern on each Resource Block (RB). When the base station transmits the CSI-RS signal normally according to this pattern, and the communication terminal receives the signal normally, the base station simultaneously activates its receiving function to capture the echo signal reflected by the CSI-RS after encountering a target. Subsequently, the base station can detect the target's location information by performing matched filtering processing between the echo signal and its own transmitted CSI-RS signal.

[0151] However, this solution has the following four problems, which are explained in detail below:

[0152] Sensing performance is constrained by signal transmission intervals, easily leading to distance ambiguity and performance bottlenecks: Sensing performance depends on the equal-interval transmission of sensing signals. While the resource elements (REs) of a CSI-RS within a single RB are continuous, in the current 100MHz full-bandwidth configuration, the RE distribution of CSI-RS is not equally spaced. This non-equal-interval characteristic causes distance ambiguity after matched filtering, further exacerbating false alarm problems. If only equally spaced single RBs are used for signal transmission, the bandwidth is too small, resulting in a significant decrease in sensing distance resolution, failing to meet practical application requirements.

[0153] Adjacent channel interference is difficult to eliminate: The symbol position of CSI-RS can coexist with the Physical Downlink Shared Channel (PDSCH) in a frequency division multiplexing manner, which makes the base station subject to interference from PDSCH signals on adjacent REs when receiving CSI-RS for sensing.

[0154] Additional symbols are required as a guard interval, resulting in a waste of communication resources: The symbol position of CSI-RS is in the range of 5 to 10. When the base station receives this signal, the system is in uplink mode. To avoid interference from downlink signals from neighboring stations with uplink reception at this station, an interval of at least 2 symbols must be maintained between downlink and uplink, resulting in a waste of communication resources.

[0155] Multi-port configuration conflicts with network interference avoidance, while single-port mode is limited by resources: Currently, sensing signals are generally transmitted via single ports, with frequency division offsetting between different cells achieved through combing to avoid network interference. However, the existing CSI-RS uses an 8-port configuration, preventing the use of combing-based network interference avoidance methods. If a single-port configuration is considered, based on its transmission pattern, each RB contains only 3 REs. Insufficient resources will lead to a shrinking sensing coverage area and significantly reduced sensing performance.

[0156] Based on this, this application proposes a communication method applied to a base station. Specifically, by ensuring that the reference signal has a repeated resource unit occupancy pattern in each resource block of the same cell, and that multiple resource units of the reference signal within a single resource block are equally spaced in the frequency domain, the distance ambiguity problem caused by signal structure irregularities is fundamentally solved, thereby significantly reducing false alarms caused by distance ambiguity. Secondly, all resource units within each resource block are allocated to the reference signal of one or more cells, eliminating the multiplexing of sensing signals with other data signals in the frequency domain, eradicating internal interference sources, and ensuring the signal-to-noise ratio of weak echo signals. Finally, by allocating different resource units to different cells, the stability of sensing performance in dense network environments is ensured. Therefore, when the reference signal provided in this application is used for communication, it can simultaneously accommodate sensing services and significantly improve performance.

[0157] Figure 2 This is one of the flowcharts illustrating the communication method provided in this application, such as... Figure 2 As shown, the method includes steps 210 and 220.

[0158] Step 210: Receive reference signal configuration information.

[0159] In this embodiment, reference signal configuration information refers to a set of parameters or instructions used to determine how to generate and transmit reference signals on time-domain and frequency-domain resources.

[0160] Here, the reference signal configuration information can be sent to the base station by a higher-level network element (such as the core network or network controller), or it can be generated by the base station itself based on factors such as system load, channel conditions, and cell planning. There are no restrictions on this.

[0161] In one example, a base station can receive configuration instructions from higher-level network elements (such as the core network or network controller) through its interface with the core network (such as the NG interface), and parse reference signal configuration information from the configuration instructions.

[0162] In one example, the base station may also contain a resource management module, which generates reference signal configuration information according to a preset algorithm or rules, and then the physical layer processing module of the base station receives this reference signal configuration information from the resource management module.

[0163] Step 210: Generate and transmit a reference signal on at least one symbol according to the reference signal configuration information.

[0164] It should be understood that a reference signal (RS) is a signal known to both the transmitter and the receiver, and is mainly used for channel estimation so that the receiver can accurately demodulate the data signal.

[0165] In this embodiment, the reference signal can be CSI-RS or other types of reference signals, such as demodulation reference signal (DMRS) or phase tracking reference signal (PTRS), and there is no limitation on the latter.

[0166] It should be noted that the base station first determines, based on the received configuration information, which time-frequency resource locations the reference signal should be mapped to. The smallest unit of time-frequency resource is an RE, which is the intersection of an Orthogonal Frequency Division Multiplexing Symbol (OFDM) and a subcarrier. Then, the base station generates complex values ​​of the reference signal according to a predefined sequence and fills these complex values ​​into the determined RE locations.

[0167] Specifically, the resource configuration of the reference signal in this embodiment satisfies the following conditions:

[0168] Within the same cell, the reference signal has a repeating RE occupancy pattern in each RB: in other words, the RB is the basic unit of frequency domain resources, which typically contains 12 consecutive subcarriers. Therefore, once the RE occupancy pattern of a cell in an RB is determined, this RE occupancy pattern will be repeated in all other RBs allocated to that cell.

[0169] Within a single RB, the reference signals (REs) allocated to a specific cell are arranged at equal intervals in the frequency domain. Specifically, the reference signals allocated to a cell are not arranged continuously in the frequency domain, but appear at certain intervals, forming a comb-and-staggered structure. For example, a reference signal can be placed every other subcarrier, or every three subcarriers. This comb-and-staggered structure is beneficial for achieving wider channel sampling in the frequency domain, while leaving space for other signals or reference signals from other cells.

[0170] Within an RB (Reference Block) allocated with reference signals, all REs are used for reference signals of one or more cells. It should be noted that in this embodiment, within an RB designated for RS (Reference Signal) transmission, there are no idle or unused REs. All REs are either occupied by the reference signals of their own cell or by the reference signals of other cells.

[0171] When a reference signal is assigned to multiple cells, the reference signals assigned to different cells occupy different REs. It should be understood that by having the reference signals of different cells occupy completely different REs, the mutual interference between reference signals between cells can be fundamentally avoided, thereby ensuring that the terminals in each cell can accurately perform channel estimation.

[0172] The communication method provided in this application fundamentally solves the distance ambiguity problem caused by signal structure irregularities by having the reference signal have a repeated resource unit occupancy pattern in each resource block of the same cell and arranging multiple resource units of the reference signal within a single resource block at equal intervals in the frequency domain. This significantly reduces false alarms caused by distance ambiguity. Secondly, all resource units within each resource block are allocated to the reference signal of one or more cells, eliminating the multiplexing of sensing signals with other data signals in the frequency domain, eradicating internal interference sources, and ensuring the signal-to-noise ratio of weak echo signals. Finally, by allocating different resource units to different cells, the stability of sensing performance in dense network environments is ensured. Therefore, when the reference signal provided in this application is used for communication, it can also accommodate sensing services, fully improving the utilization rate of spectrum resources.

[0173] In some embodiments, when the resource configuration of the reference signal is allocated to only a single cell, the single cell occupies all resource units within the resource block where the reference signal is located.

[0174] In this embodiment, the reference signal configuration information indicates that the resource configuration of the reference signal is allocated only to a single cell. This single cell will occupy all available REs within this RB to transmit its reference signal, without sharing resources with other channels (such as PDSCH) or other cells.

[0175] For example, within a specified RB, all REs are marked as reference signals belonging to "cell 1".

[0176] The communication method provided in this application embodiment can maximize the utilization of resources within a resource block in a single-cell working mode, and avoids interference from adjacent channel signals to the sensing echo because there are no REs occupying other channels within the RB.

[0177] In some embodiments, when the resource configuration of the reference signal is allocated to multiple cells, the multiple cells jointly occupy all resource units within the resource block where the reference signal is located.

[0178] In this embodiment, the reference signal configuration information indicates that the resource configuration of the reference signal will be jointly allocated to multiple cells. When the reference signal resources are allocated to multiple cells, the multiple cells jointly occupy all REs within the RB where the reference signal is located.

[0179] It should be understood that within the same RB, all REs will be reasonably allocated to different cells, and the reference signals of different cells will occupy REs that do not overlap. This ensures that each cell can obtain certain time-frequency resources for transmitting reference signals, and also achieves full utilization of REs within the RB, with no idle resources.

[0180] For example, within a Reference Array (RB), Reference Arrays (REs) are completely allocated by the reference signals of "Cell 1", "Cell 2", and "Cell 3", collectively filling the entire RB without leaving any idle resources. The reference signals of each cell still follow the rule of comb-shaped equal-interval arrangement, but the reference signals of different cells are intertwined and do not overlap.

[0181] The communication method provided in this application embodiment can, through resource sharing and reuse mechanisms, carry reference signals of multiple cells on the same time-frequency resources without interfering with each other in a multi-cell working mode, which greatly improves the utilization rate of spectrum resources.

[0182] In some embodiments, the reference signals allocated to different cells have different subcarrier start positions.

[0183] In this embodiment, by setting a unique subcarrier start position for the reference signal of each cell, the inter-cell reference signals are staggered in the frequency domain.

[0184] It should be understood that the subcarrier starting position is also called the frequency domain offset. Within an RB (e.g., containing 12 subcarriers indexed from 0 to 11), the reference signal comb sequence for each cell begins from a specific subcarrier index.

[0185] The communication method provided in this application avoids frequency domain overlap of reference signals between multiple cells by assigning reference signals to different cells with different subcarrier start positions, thereby eliminating co-channel interference between cells.

[0186] In some embodiments, within a single resource block, resource elements of any two adjacent reference signals allocated to the same cell have the same subcarrier spacing.

[0187] In this embodiment, the comb structure of the reference signal is regular and uniform. For example, if the first RS belonging to a certain cell within an RB is located on subcarrier k, the second on subcarrier k+S, then the third is located on subcarrier k+2S, and so on, where the subcarrier spacing S is a constant.

[0188] The communication method provided in this application embodiment can ensure the periodicity and symmetry of the reference signal in the frequency domain by distributing the subcarriers at equal intervals. When processed by matched filtering, the time delay information of the echo signal can be extracted more accurately, effectively avoiding the distance ambiguity problem caused by uneven spacing and improving the sensing distance resolution.

[0189] In some embodiments, when the reference signal is configured as a single port, the reference signal configuration information includes the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, and frequency domain density.

[0190] The reference signal configuration information satisfies the following conditions:

[0191] The number of comb teeth is 1, 2, 3, 4, 6 or 12;

[0192] The starting position of the symbol is any integer from 0 to 13;

[0193] The number of symbols is any integer from 1 to 14;

[0194] The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and subcarrier spacing.

[0195] The starting position of the subcarrier is any integer from 0 to 13;

[0196] The subcarrier spacing is any integer from 0 to 11;

[0197] The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12.

[0198] In this embodiment, when the reference signal is configured as a single port, its configuration information consists of a set of specific parameters, and these parameters and their value ranges are shown in the table below:

[0199]

[0200] The communication method provided in this application provides a complete and flexible set of parameterized configurations, enabling the base station to generate a single-port reference signal that meets specific performance and overhead requirements by combining the above parameters according to actual needs, thereby realizing fine-grained management of resource configuration.

[0201] In some embodiments, the combination mode of the number of comb teeth and the frequency domain density includes at least one of the following:

[0202] The number of comb teeth is 1, and the frequency domain density is 12; or...

[0203] The number of comb teeth is 2, and the frequency domain density is 6; or...

[0204] The number of comb teeth is 3, and the frequency domain density is 4; or...

[0205] The number of comb teeth is 4, and the frequency domain density is 3; or...

[0206] The number of comb teeth is 6, and the frequency domain density is 2; or...

[0207] The number of comb teeth is 12, and the frequency domain density is 1.

[0208] In this embodiment, reference Figure 3 In single-port configuration mode, there are six possible combinations of the number of comb teeth and frequency domain density of the reference signal: 1port-comb1 ( Figure 3 A), 1port-comb2 ( Figure 3 B), 1port-comb3 ( Figure 3 C), 1port-comb4 ( Figure 3 D), 1port-comb6 ( Figure 3 E) and 1port-comb12 ( Figure 3 F).

[0209] refer to Figure 3 A. In the 1port-comb1 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols occupied is 1; the number of frequency domain RBs for the reference signal is 273; the reference signal subcarrier start-location at each RB is 0; the interval between subcarrier positions of the reference signal at each RB is 0; and the number of repetitions of the reference signal transmitted at each RB is density=12.

[0210] refer to Figure 3 B, In the 1port-comb2 combination mode, the reference signal can be transmitted via comb2; the reference signal symbol start-location is 0; the number of symbols occupied is 1; the number of frequency domain RBs for the reference signal is 273; the reference signal subcarrier start-location at each RB is 0; the interval between subcarrier positions of the reference signal at each RB is 1; and the number of repetitions of the reference signal transmitted at each RB is density=6.

[0211] refer to Figure 3C. In the 1port-comb3 combination mode, the reference signal can be transmitted via comb3; the reference signal symbol start-location is 0; the number of symbols occupied is 1; the number of frequency domain RBs for the reference signal is 273; the reference signal subcarrier start-location at each RB is 0; the interval between subcarrier positions of the reference signal at each RB is 2; and the number of repetitions of the reference signal transmitted at each RB is 4.

[0212] refer to Figure 3 D, In the 1port-comb4 combination mode, the reference signal can be transmitted via comb4; the reference signal symbol start-location is 0; the number of symbols occupied is 4; the number of frequency domain RBs for the reference signal is 273; the reference signal subcarrier start-location at each RB is 0, 1, 2, or 3; the interval between subcarrier positions of the reference signal at each RB is 3; and the number of repetitions of the reference signal transmitted at each RB is 3.

[0213] refer to Figure 3 In the 1-port-comb6 combination mode, the reference signal can be transmitted via comb6; the reference signal symbol start-location is 0; the number of symbols occupied is 2; the number of frequency domain RBs for the reference signal is 273; the reference signal subcarrier start-location at each RB is 0, 1, 2, 3, 4, 5; the interval between subcarrier positions of the reference signal at each RB is 5; and the number of repetitions of the reference signal transmitted at each RB is density=2.

[0214] refer to Figure 3F, In the 1port-comb12 combination mode, the reference signal can be transmitted via comb12; the reference signal symbol start-location is 0; the number of symbols occupied is 12; the number of frequency domain RBs of the reference signal is 273; the reference signal subcarrier start-location at each RB is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11; the interval between the reference signal subcarrier positions at each RB is 11; the number of repetitions of the reference signal transmitted at each RB is density=1.

[0215] In some embodiments, when the reference signal is configured as a multi-port signal, the reference signal configuration information includes the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, frequency domain density, number of code division multiplexing groups, number of frequency division multiplexing groups, and number of time division multiplexing groups.

[0216] The reference signal configuration information satisfies the following conditions:

[0217] The number of comb teeth is 1, 2, 3, 4, 6 or 12;

[0218] The starting position of the symbol is any integer from 0 to 13;

[0219] The number of symbols is any integer from 1 to 14;

[0220] The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and subcarrier spacing.

[0221] The starting position of the subcarrier is any integer from 0 to 13 or 16;

[0222] The subcarrier spacing is any integer from 0 to 11 or 16;

[0223] The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12;

[0224] The number of code division multiplexing groups is 2, 4 or 8;

[0225] The number of frequency division multiplexing groups is 2;

[0226] The number of time-division multiplexing groups is 1, 2 or 4.

[0227] In this embodiment, when the reference signal is configured as a multi-port signal, its configuration information consists of a set of specific parameters, and these parameters and their value ranges are shown in the table below:

[0228]

[0229] In this embodiment, when changing the configuration of the reference signal from a single-port scenario to a multi-port scenario, in order to allocate the reference signal to multiple antenna ports without interference on limited time-frequency resources, one or more of the following parameters are further considered:

[0230] Number of code division multiplexing groups: Code division multiplexing allows reference signals from different antenna ports to share the exact same RE. This is achieved by multiplying the reference signal sequence for each port by a mutually orthogonal code. The number of code division multiplexing groups defines the number of port groups that can be multiplexed in this way;

[0231] Number of Frequency Division Multiplexing (FDM) Groups: Frequency division multiplexing (FDM) technology allocates reference signals from different antenna ports (or port groups) to different frequency domain resources, such as different sets of subcarriers. The number of FDM groups defines the number of port groups that can be multiplexed in this way;

[0232] Number of Time Division Multiplexing (TDM) Groups: Time division multiplexing (TDM) technology allocates reference signals from different antenna ports (or port groups) to different time-domain resources, such as different OFDM symbols. The number of TDM TDM groups defines the number of port groups that can be multiplexed in this way.

[0233] Furthermore, in this embodiment, to ensure the orthogonality of the reference signals at each port (to avoid interference), resources need to be allocated using frequency division, code division, or time division. To avoid insufficient REs available for a single port due to this resource allocation, this embodiment extends the resource range to 24 subcarriers (i.e., joint transmission by two consecutive RBs) in multi-port configuration. This allows different ports to occupy non-overlapping subcarrier regions within the two RBs. Within the two RBs, code division (e.g., different orthogonal codes), time division (e.g., different OFDM symbols), and frequency division can be combined simultaneously to further improve multi-port multiplexing efficiency and support more port configurations.

[0234] Therefore, in this embodiment, when configuring multiple ports, the frequency domain resource range is extended from 12 subcarriers of a single RB to 24 subcarriers of two consecutive RBs. Based on this extension, the values ​​of the subcarrier start position and subcarrier spacing are no longer limited by the resource boundaries of a single RB.

[0235] In one example, the subcarrier start position can also be 16, corresponding to the 16th subcarrier within two consecutive RBs. The subcarrier spacing can also be 16, similarly corresponding to the 16th subcarrier within two consecutive RBs.

[0236] The communication method provided in this application provides a multi-dimensional parameterized configuration including code division multiplexing groups, frequency division multiplexing groups, and time division multiplexing groups. This enables the base station to flexibly combine code division multiplexing, frequency division multiplexing, and time division multiplexing technologies according to actual needs, generate multi-port reference signals that meet specific performance and overhead requirements, and achieve refined management of resource configuration.

[0237] In some embodiments, when the multi-port configuration is a 2-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0238] The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0239] The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0240] The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0241] The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0242] In this embodiment, reference Figure 4 In 2-port configuration mode, there are four possible combinations of the number of comb teeth and frequency domain density of the reference signal: 2port-comb1 ( Figure 4 A), 2port-comb2 ( Figure 4 B), 2port-comb3 ( Figure 4 C) and 2port-comb6 Figure 4 D).

[0243] refer to Figure 4In the 2-port-comb1 combination mode, the reference signal can be transmitted via combo1; the reference signal symbol start-location is 0; the number of symbols used is 1; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 6. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0244] refer to Figure 4 B. In the 2-port-comb2 combination mode, the reference signal can be transmitted via combo2; the reference signal symbol start-location is 0 or 1; the number of symbols used is 1; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location of the reference signal in each RB is 0 or 2; the subcarrier gap of the reference signal in each RB is 2; and the density of the reference signal transmission in each RB is 3. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0245] refer to Figure 4 C. In the 2-port-comb3 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0, 1, or 2; the number of symbols used is 1; the number of frequency domain RBs (RBs) is 273; the subcarrier start-location at each RB is 0, 2, or 4; the subcarrier gap at each RB is 4; and the density of the reference signal transmission at each RB is 2. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0246] refer to Figure 4D. In the 2-port-comb6 combination mode, the reference signal can be transmitted via combo6; the reference signal symbol start-location is 0, 1, 2, 3, 4, 5; the number of symbols used is 1; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location for the reference signal in each RB is 0, 2, 4, 6, 8, 10; the subcarrier gap for the reference signal in each RB is 10; and the density of the reference signal transmission in each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0247] The communication method provided in this application embodiment offers a specific reference signal parameter configuration scheme for a 2-port network. When it is necessary to configure a reference signal for a 2-port network, a predefined parameter combination can be used.

[0248] In some embodiments, when the multi-port configuration is a 4-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, and the number of frequency division multiplexing groups includes at least one of the following:

[0249] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0250] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0251] The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0252] The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2;

[0253] The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0254] The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2.

[0255] In this embodiment, reference Figure 5In 4-port configuration mode, there are 6 possible combinations of the number of comb teeth and frequency domain density of the reference signal: 4port-comb1-type1 ( Figure 5 A), 4port-comb1-type2 ( Figure 5 B), 4port-comb2-type1 ( Figure 5 C), 4port-comb3-type1 ( Figure 5 D), 4port-comb3-type2 ( Figure 5 E), 4port-comb6-type1 ( Figure 5 F).

[0256] refer to Figure 5 In the 4-port-comb1-type1 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 1; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 3. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0257] refer to Figure 5 B. In the 4port-comb3-type2 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location of the reference signal at each RB is 0; the subcarrier gap of the reference signal at each RB is 0; and the density of the reference signal transmitted at each RB is 6. The number of code division multiplexing groups used by the reference signal is 2, the number of frequency division multiplexing groups used by the reference signal is 2, and the number of time division multiplexing groups used by the reference signal is 1.

[0258] refer to Figure 5C. In the 4-port-comb6-type1 combination mode, the reference signal can be transmitted via combo6; the reference signal symbol start-location is 0 or 2; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0 or 6; the subcarrier gap at each RB is 6; and the density of the reference signal transmission at each RB is 3. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0259] refer to Figure 5 D, In the 4port-comb3-type1 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0; the number of symbols used is 1; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0, 4, or 8; the reference signal subcarrier gap at each RB is 8; and the number of repetitions transmitted at each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0260] refer to Figure 5 In the 4-port-comb3-type2 combination mode, the reference signal can be transmitted via comb3; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0, 4, or 8; the subcarrier gap at each RB is 8; and the density of the reference signal transmission at each RB is 2. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0261] refer to Figure 5In the 4-port-comb6-type1 combination mode, the reference signal can be transmitted via comb6; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the subcarrier start-location of the reference signal in each RB is 0, 2, 4, 6, 8, or 10; the subcarrier gap of the reference signal in each RB is 10; and the density of the reference signal transmission in each RB is 1. The number of code division multiplexing groups used by the reference signal is 2, the number of frequency division multiplexing groups used by the reference signal is 2, and the number of time division multiplexing groups used by the reference signal is 2.

[0262] The communication method provided in this application provides a specific reference signal parameter configuration scheme for 4 ports. When it is necessary to configure reference signals for 4 ports, the parameter combinations predefined in this embodiment can be used.

[0263] In some embodiments, when the multi-port configuration is an 8-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0264] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0265] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0266] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0267] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

[0268] In this embodiment, reference Figure 6 In 8-port configuration mode, there are four possible combinations of the number of comb teeth and frequency domain density of the reference signal: 8port-comb1-type1 ( Figure 6 A), 8port-comb3-type1 ( Figure 6 B), 8port-comb1-type2 ( Figure 6 C), 8port-comb3-type2 ( Figure 6 D).

[0269] refer to Figure 6 In the 8-port-comb1-type1 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 3. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0270] refer to Figure 6 B. In the 8-port-comb3-type1 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0, 2, or 5; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0, 4, or 8; the subcarrier gap at each RB is 8; and the density of the reference signal transmission at each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0271] refer to Figure 6C. In the 8-port-comb1-type2 combination mode, the reference signal can be transmitted via combo1; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 3. The reference signal uses 4 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0272] refer to Figure 6 In the 8-port-comb3-type2 combination mode, the reference signal can be transmitted via comb3; the reference signal symbol start-location is 0, 2, or 4; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0, 4, or 8; the subcarrier gap at each RB is 8; and the density of the reference signal transmission at each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0273] The communication method provided in this application embodiment offers a specific reference signal parameter configuration scheme for an 8-port network. When it is necessary to configure a reference signal for the 8-port network, a predefined parameter combination can be used.

[0274] In some embodiments, when the multi-port configuration is a 12-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0275] The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0276] The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0277] The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

[0278] In this embodiment, reference Figure 7 In 12-port configuration mode, there are three possible combinations of the number of comb teeth and frequency domain density of the reference signal: 12port-comb1-type1 ( Figure 7 A), 12port-comb1-type2 ( Figure 7 B), 12port-comb2-type2 ( Figure 7 C).

[0279] refer to Figure 7 In the 12-port-comb1-type1 combination mode, the reference signal can be transmitted via combo1; the reference signal symbol start-location is 0; the number of symbols used is 1; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0280] refer to Figure 7 B. In the 12-port-comb1-type2 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location of the reference signal in each RB is 0; the subcarrier gap of the reference signal in each RB is 0; and the density of the reference signal transmitted in each RB is 2. The reference signal uses 4 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0281] refer to Figure 7B. In the 12-port-comb2-type2 combination mode, the reference signal can be transmitted via comb2; the reference signal symbol start-location is 0 or 2; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0 or 6; the reference signal subcarrier gap at each RB is 6; and the number of repetitions transmitted at each RB is 1. The reference signal uses 4 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0282] The communication method provided in this application embodiment offers a specific reference signal parameter configuration scheme for a 12-port network. When it is necessary to configure a reference signal for a 12-port network, a predefined parameter combination can be used.

[0283] In some embodiments, when the multi-port configuration is a 16-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0284] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0285] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0286] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0287] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2.

[0288] In this embodiment, reference Figure 8 In 16-port configuration mode, there are four possible combinations of the number of comb teeth and frequency domain density of the reference signal: 16port-comb1-type1 ( Figure 8 A), 16port-comb3-type1 ( Figure 8 B), 16port-comb1-type2 ( Figure 8 C) and 16port-comb3-type2 ( Figure 8 D).

[0289] refer to Figure 8 In the 16-port-comb1-type1 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 4; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 3. The reference signal uses 8 code division multiplexing groups, 2 frequency division multiplexing groups, and 4 time division multiplexing groups.

[0290] refer to Figure 8 B. In the 16-port-comb3-type1 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0, 4, or 8; the number of symbols used is 4; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location for the reference signal in each RB is 0, 4, or 8; the subcarrier gap for the reference signal in each RB is 16; and the density of the reference signal transmission in each RB is 1. The reference signal uses 8 code division multiplexing groups, 2 frequency division multiplexing groups, and 4 time division multiplexing groups.

[0291] refer to Figure 8C. In the 16-port-comb1-type2 combination mode, the reference signal can be transmitted via combo1; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 3. The reference signal uses 4 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0292] refer to Figure 8 In the 16-port-comb3-type2 combination mode, the reference signal can be transmitted via comb3; the reference signal symbol start-location is 0 or 2; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 272; the reference signal subcarrier start-location at each RB is 0, 8, or 16; the subcarrier gap at each RB is 16; and the density of the reference signal transmission at each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0293] The communication method provided in this application embodiment offers a specific reference signal parameter configuration scheme for port 16. When it is necessary to configure a reference signal for port 16, the parameter combination predefined in this embodiment can be used.

[0294] In some embodiments, when the multi-port configuration is a 24-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0295] The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0296] The number of comb teeth is 1, the frequency domain density is 31, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0297] The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0298] The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

[0299] In this embodiment, reference Figure 9 In 24-port configuration mode, there are four possible combinations of the number of comb teeth and frequency domain density of the reference signal: 24port-comb1-type1 ( Figure 9 A), 24port-comb1-type3 ( Figure 9 B), 24port-comb1-type2 ( Figure 9 C) and 24port-comb2-type3 ( Figure 9 D).

[0300] refer to Figure 9 In the 24-port-comb1-type1 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 1; and the number of repetitions transmitted at each RB is 2. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0301] refer to Figure 9B. In the 24port-comb1-type3 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 4; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location of the reference signal in each RB is 0; the subcarrier gap of the reference signal in each RB is 0; and the density of the reference signal transmitted in each RB is 2. The reference signal uses 8 code division multiplexing groups, 2 frequency division multiplexing groups, and 4 time division multiplexing groups.

[0302] refer to Figure 9 C. In the 24-port-comb1-type2 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 2; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 1. The reference signal uses 4 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0303] refer to Figure 9 In the 24-port-comb2-type3 combination mode, the reference signal can be transmitted via comb2; the reference signal symbol start-location is 0 or 4; the number of symbols used is 4; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0 or 6; the subcarrier gap at each RB is 6; and the density of the reference signal transmission at each RB is 1. The reference signal uses 8 code division multiplexing groups, 2 frequency division multiplexing groups, and 4 time division multiplexing groups.

[0304] The communication method provided in this application embodiment offers a specific reference signal parameter configuration scheme for port 24. When it is necessary to configure a reference signal for port 24, the parameter combination predefined in this embodiment can be used.

[0305] In some embodiments, when the multi-port configuration is a 32-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0306] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0307] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, and the number of frequency division multiplexing groups is 2; or...

[0308] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0309] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0310] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0311] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

[0312] In this embodiment, reference Figure 10 In 32-port configuration mode, there are six possible combinations of the number of comb teeth and frequency domain density of the reference signal: 32port-comb1-type1 ( Figure 10 A), 32port-comb1-type2 ( Figure 10 B), 32port-comb1-type3 ( Figure 10 C), 32port-comb3-type1 ( Figure 10 D), 32port-comb3-type2 ( Figure 10 E) and 32port-comb3-type3 ( Figure 10 E).

[0313] refer to Figure 10 In the 32-port-comb1-type1 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 4; the number of frequency domain RBs (RBs) is 273; the reference signal subcarrier start-location at each RB is 0; the reference signal subcarrier gap at each RB is 0; and the number of repetitions transmitted at each RB is 3. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0314] refer to Figure 10 B. In the 32-port-comb1-type2 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 4; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location of the reference signal in each RB is 0; the subcarrier gap of the reference signal in each RB is 0; and the density of the reference signal transmitted in each RB is 3. The number of code division multiplexing groups used by the reference signal is 4, the number of frequency division multiplexing groups used by the reference signal is 2, and the number of time division multiplexing groups used by the reference signal is 2.

[0315] refer to Figure 10 C. In the 32-port-comb1-type3 combination mode, the reference signal can be transmitted via comb1; the reference signal symbol start-location is 0; the number of symbols used is 4; the number of frequency domain RBs (RBs) for the reference signal is 273; the subcarrier start-location of the reference signal in each RB is 0; the subcarrier gap of the reference signal in each RB is 0; and the density of the reference signal transmitted in each RB is 3. The number of code division multiplexing groups used by the reference signal is 8, the number of frequency division multiplexing groups used by the reference signal is 2, and the number of time division multiplexing groups used by the reference signal is 4.

[0316] refer to Figure 10In the 32-port-comb3-type1 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0, 4, or 8; the number of symbols used is 4; the number of frequency domain RBs (RBs) is 272; the subcarrier start-location at each RB is 0, 8, or 16; the subcarrier gap at each RB is 16; and the density of the reference signal transmission at each RB is 1. The reference signal uses 2 code division multiplexing groups, 2 frequency division multiplexing groups, and 1 time division multiplexing group.

[0317] refer to Figure 10 In the 32-port-comb3-type2 combination mode, the reference signal can be transmitted via comb3; the reference signal symbol start-location is 0, 4, or 8; the number of symbols used is 4; the number of frequency domain RBs (RBs) is 272; the subcarrier start-location at each RB is 0, 8, or 16; the subcarrier gap at each RB is 16; and the density of the reference signal transmission at each RB is 1. The reference signal uses 4 code division multiplexing groups, 2 frequency division multiplexing groups, and 2 time division multiplexing groups.

[0318] refer to Figure 10 In the 32-port-comb3-type3 combination mode, the reference signal can be transmitted via combo3; the reference signal symbol start-location is 0, 4, or 8; the number of symbols used is 4; the number of frequency domain RBs (RBs) is 272; the subcarrier start-location at each RB is 0, 8, or 16; the subcarrier gap at each RB is 16; and the density of the reference signal transmission at each RB is 1. The reference signal uses 8 code division multiplexing groups, 2 frequency division multiplexing groups, and 4 time division multiplexing groups.

[0319] The communication method provided in this application embodiment offers a specific reference signal parameter configuration scheme for a 32-port. When it is necessary to configure a reference signal for a 32-port, the parameter combination predefined in this embodiment can be used.

[0320] Furthermore, this application provides a communication method that is applied to a terminal. Figure 11 This is a second schematic flowchart of the communication method provided in the embodiments of this application, as shown below. Figure 11 As shown, the method includes steps 1110 and 1120.

[0321] Step 1110: Receive reference signal configuration information.

[0322] In this embodiment, the terminal can receive reference signal configuration information through a base station. For example, it can receive reference signal configuration information via radio resource control signaling.

[0323] It should be understood that the content of this reference signal configuration information is completely consistent with that used by the base station. It is used to indicate to the terminal what combination of parameters the reference signal to be transmitted by the base station uses, including its symbol, resource block range, number of comb teeth, frequency domain density, and multiplexing method in the case of multiple ports.

[0324] Step 1120: Receive a reference signal on at least one symbol according to the reference signal configuration information.

[0325] After determining the time-domain symbol position of the reference signal, the terminal will locate the frequency range specified by the signaling on one or more corresponding continuous discrete symbols for signal reception. If multiple ports are involved, the terminal will also use the code division multiplexing, frequency division multiplexing, and time division multiplexing features in the reference signal configuration information to separate and receive the reference signals for each port.

[0326] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0327] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0328] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0329] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0330] It should be understood that the reference signal configuration information used by the terminal for receiving reference signals is completely consistent with the reference signal configuration information followed by the base station during generation. Specifically, it also satisfies the following conditions: a repeated occupancy pattern in each resource block; an equally spaced comb-like arrangement within a single resource block; all REs within the resource block carrying the reference signal being occupied by RSs of one or more cells; and reference signals from different cells occupying different, mutually orthogonal resource units. The detailed content of the specific reference signal configuration information is consistent with the above embodiments and will not be repeated here.

[0331] Based on any of the above embodiments, this application also provides a communication device applied to a base station. Figure 12 This is a schematic diagram of the communication device provided in this application, such as... Figure 12 As shown, the device includes a first receiving module 1210 and a configuration module 1220.

[0332] The first receiving module 1210 is used to receive reference signal configuration information;

[0333] Configuration module 1220 is configured to generate and transmit a reference signal on at least one symbol according to the reference signal configuration information;

[0334] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0335] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0336] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0337] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0338] The apparatus provided in this application fundamentally solves the distance ambiguity problem caused by signal structure irregularities by having the reference signal have a repeated resource unit occupancy pattern in each resource block of the same cell and arranging multiple resource units of the reference signal within a single resource block at equal intervals in the frequency domain. This significantly reduces false alarms caused by distance ambiguity. Secondly, all resource units within each resource block are allocated to the reference signal of one or more cells, eliminating the multiplexing of sensing signals with other data signals in the frequency domain, eradicating internal interference sources, and ensuring the signal-to-noise ratio of weak echo signals. Finally, by allocating different resource units to different cells, the stability of sensing performance in dense network environments is ensured. Therefore, when the reference signal provided in this application is used for communication, it can also accommodate sensing services, fully improving the utilization rate of spectrum resources.

[0339] In some embodiments, the configuration module 1220 is further configured to allow a single cell to occupy all resource units within the resource block where the reference signal is located when the resource configuration of the reference signal is allocated only to a single cell.

[0340] In some embodiments, the configuration module 1220 is further configured to allow multiple cells to jointly occupy all resource units within the resource block where the reference signal is located when the resource configuration of the reference signal is allocated to multiple cells.

[0341] In some embodiments, the configuration module 1220 is further configured to allow the reference signals allocated to different cells to have different subcarrier start positions.

[0342] In some embodiments, the configuration module 1220 is further configured to ensure that, within a single resource block, resource elements of any two adjacent reference signals allocated to the same cell have the same subcarrier spacing.

[0343] In some embodiments, the configuration module 1220 is further configured to, when the reference signal is configured as a single-port signal, include the reference signal configuration information including the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, and frequency domain density.

[0344] The reference signal configuration information satisfies the following conditions:

[0345] The number of comb teeth is 1, 2, 3, 4, 6 or 12;

[0346] The starting position of the symbol is any integer from 0 to 13;

[0347] The number of symbols is any integer from 1 to 14;

[0348] The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and global subcarrier spacing.

[0349] The starting position of the subcarrier is any integer from 0 to 13;

[0350] The subcarrier spacing is any integer from 0 to 11;

[0351] The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12.

[0352] In some embodiments, the combination mode of the number of comb teeth and the frequency domain density includes at least one of the following:

[0353] The number of comb teeth is 1, and the frequency domain density is 12; or...

[0354] The number of comb teeth is 2, and the frequency domain density is 6; or...

[0355] The number of comb teeth is 3, and the frequency domain density is 4; or...

[0356] The number of comb teeth is 4, and the frequency domain density is 3; or...

[0357] The number of comb teeth is 6, and the frequency domain density is 2; or...

[0358] The number of comb teeth is 12, and the frequency domain density is 1.

[0359] In some embodiments, the configuration module 1220 is further configured to, when the reference signal is configured as a multi-port configuration, include the reference signal configuration information including the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, frequency domain density, number of code division multiplexing groups, number of frequency division multiplexing groups, and number of time division multiplexing groups.

[0360] The reference signal configuration information satisfies the following conditions:

[0361] The number of comb teeth is 1, 2, 3, 4, 6 or 12;

[0362] The starting position of the symbol is any integer from 0 to 13;

[0363] The number of symbols is any integer from 1 to 14;

[0364] The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and subcarrier spacing.

[0365] The starting position of the subcarrier is any integer from 0 to 13 or 16;

[0366] The subcarrier spacing is any integer from 0 to 11 or 16;

[0367] The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12;

[0368] The number of code division multiplexing groups is 2, 4 or 8;

[0369] The number of frequency division multiplexing groups is 2;

[0370] The number of time-division multiplexing groups is 1, 2 or 4.

[0371] In some embodiments, when the multi-port configuration is a 2-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0372] The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0373] The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0374] The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0375] The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0376] In some embodiments, when the multi-port configuration is a 4-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0377] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0378] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0379] The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0380] The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0381] The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0382] The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0383] In some embodiments, when the multi-port configuration is an 8-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0384] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0385] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0386] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0387] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

[0388] In some embodiments, when the multi-port configuration is a 12-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0389] The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0390] The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0391] The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

[0392] In some embodiments, when the multi-port configuration is a 16-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0393] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0394] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0395] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0396] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

[0397] In some embodiments, when the multi-port configuration is a 24-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0398] The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0399] The number of comb teeth is 1, the frequency domain density is 31, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0400] The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0401] The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

[0402] In some embodiments, when the multi-port configuration is a 32-port configuration, the combination pattern of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following:

[0403] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0404] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or...

[0405] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0406] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or...

[0407] The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or...

[0408] The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

[0409] Based on any of the above embodiments, this application also provides a communication device applied to a terminal. Figure 13 This is a schematic diagram of the communication device provided in this application, such as... Figure 13 As shown, the device includes a second receiving module 1310 and a third receiving module 1320.

[0410] The second receiving module 1310 is used to receive reference signal configuration information;

[0411] The third receiving module 1320 is used to receive a reference signal on at least one symbol according to the reference signal configuration information;

[0412] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0413] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0414] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0415] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0416] The communication device described in this embodiment can be referred to in correspondence with the communication method provided in this application described above, and will not be described in detail here.

[0417] The terminal involved in the embodiments of this application may be a device that provides voice and / or data connectivity to a user, a handheld device with wireless connectivity, or other processing devices connected to a wireless modem. The name of the terminal device may differ in different systems; for example, in a 5G system, the terminal device may be called a User Equipment (UE).

[0418] The network device involved in the embodiments of this application can be a base station, which may include multiple cells providing services to terminals. Depending on the specific application, a base station may also be called an access point, or a device in an access network that communicates with wireless terminal devices through one or more sectors on the air interface, or other names.

[0419] Figure 14 This is a schematic diagram of the structure of a network device according to an embodiment of this application, with reference to... Figure 14 This application also provides a network device, which may include: a memory 1410, a transceiver 1420, and a processor 1430;

[0420] Memory 1410 is used to store computer programs; transceiver 1420 is used to send and receive data under the control of processor 1430; processor 1430 is used to read the computer program in memory 1410 and perform the following operations:

[0421] Receive reference signal configuration information;

[0422] Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol;

[0423] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0424] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0425] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0426] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0427] Among them, Figure 14 In this context, the bus architecture may include any number of interconnected buses and bridges, specifically linking various circuits together, represented by one or more processors (processor 1430) and memory (memory 1410). The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. The bus interface provides an interface. The transceiver 1420 may be multiple elements, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium. The processor 1430 is responsible for managing the bus architecture and general processing, and the memory 1410 may store data used by the processor 1430 during operation.

[0428] Figure 15 This is a schematic diagram of the terminal structure according to an embodiment of this application, with reference to... Figure 15 This application embodiment also provides a terminal, which may include: a memory 1510, a transceiver 1520 and a processor 1530;

[0429] The memory 1510 is used to store computer programs; the transceiver 1520 is used to send and receive data under the control of the processor 1530; the processor 1530 is used to read the computer program in the memory 1510 and perform the following operations:

[0430] Receive reference signal configuration information;

[0431] According to the reference signal configuration information, a reference signal is received on at least one symbol;

[0432] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0433] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0434] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0435] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0436] Among them, Figure 15 In this context, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits together, such as one or more processors represented by processor 1530 and memory represented by memory 1510. The bus architecture can also link together various other circuits, such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. The bus interface provides an interface. Transceiver 1520 can be multiple elements, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium. For different user equipment, user interface 1540 can also be an interface capable of connecting external or internal devices as needed.

[0437] Processor 1530 is responsible for managing the bus architecture and general processing, while memory 1510 can store data used by processor 1530 when performing operations.

[0438] The processor 1530 executes any of the methods described in the embodiments of this application by calling a computer program stored in the memory 1510, according to the obtained executable instructions. The processor and the memory may also be physically separated.

[0439] It should be noted that the terminal and network device provided in this application embodiment can implement all the method steps implemented in the above method embodiment and can achieve the same technical effect. Therefore, the parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0440] Figure 16 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 16As shown, the electronic device may include: a processor 1610, a communications interface 1620, a memory 1630, and a communication bus 1640, wherein the processor 1610, the communications interface 1620, and the memory 1630 communicate with each other via the communication bus 1640. The processor 1610 can call logical instructions in the memory 1630 to execute a communication method, which includes:

[0441] Receive reference signal configuration information;

[0442] Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol;

[0443] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0444] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0445] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0446] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0447] Processor 1610 can invoke logical instructions in memory 1630 to execute a communication method, the method including:

[0448] Receive reference signal configuration information;

[0449] According to the reference signal configuration information, a reference signal is received on at least one symbol;

[0450] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0451] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0452] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0453] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0454] Furthermore, the logical instructions in the aforementioned memory 1630 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0455] On the other hand, this application also provides a computer program product, which includes a computer program that can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer is able to execute the communication methods provided by the above methods, the method including:

[0456] Receive reference signal configuration information;

[0457] Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol;

[0458] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0459] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0460] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0461] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0462] The computer can execute the communication methods provided by the above methods, which include:

[0463] Receive reference signal configuration information;

[0464] According to the reference signal configuration information, a reference signal is received on at least one symbol;

[0465] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0466] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0467] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0468] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0469] In another aspect, this application also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to perform the communication methods provided by the methods described above, the method comprising:

[0470] Receive reference signal configuration information;

[0471] Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol;

[0472] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0473] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0474] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0475] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0476] When executed by a processor, the computer program is implemented to perform the communication methods provided by the methods described above, the methods including:

[0477] Receive reference signal configuration information;

[0478] According to the reference signal configuration information, a reference signal is received on at least one symbol;

[0479] The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions:

[0480] Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block;

[0481] Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain;

[0482] Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

[0483] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0484] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0485] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical coding feature maps. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A communication method, characterized in that, Applied to a base station, the method includes: Receive reference signal configuration information; Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol; The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block; Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain; Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

2. The communication method according to claim 1, characterized in that, When the resource configuration of the reference signal is allocated to only a single cell, the single cell occupies all resource units within the resource block where the reference signal is located.

3. The communication method according to claim 1, characterized in that, When the resource configuration of the reference signal is allocated to multiple cells, the multiple cells jointly occupy all resource units within the resource block where the reference signal is located.

4. The communication method according to claim 1 or 3, characterized in that, The reference signals allocated to different cells have different subcarrier start positions.

5. The communication method according to claim 1, characterized in that, Within a single resource block, any two adjacent resource elements of the reference signal allocated to the same cell have the same subcarrier spacing.

6. The communication method according to claim 1, characterized in that, When the reference signal is configured as a single port, the reference signal configuration information includes the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, and frequency domain density. The reference signal configuration information satisfies the following conditions: The number of comb teeth is 1, 2, 3, 4, 6 or 12; The starting position of the symbol is any integer from 0 to 13; The number of symbols is any integer from 1 to 14; The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and global subcarrier spacing. The starting position of the subcarrier is any integer from 0 to 13; The subcarrier spacing is any integer from 0 to 11; The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12.

7. The communication method according to claim 6, characterized in that, The combination mode of the number of comb teeth and the frequency domain density includes at least one of the following: The number of comb teeth is 1, and the frequency domain density is 12; or... The number of comb teeth is 2, and the frequency domain density is 6; or... The number of comb teeth is 3, and the frequency domain density is 4; or... The number of comb teeth is 4, and the frequency domain density is 3; or... The number of comb teeth is 6, and the frequency domain density is 2; or... The number of comb teeth is 12, and the frequency domain density is 1.

8. The communication method according to claim 1, characterized in that, When the reference signal is configured in a multi-port configuration, the reference signal configuration information includes the number of comb teeth, symbol start position, number of symbols, number of resource blocks, subcarrier start position, subcarrier spacing, frequency domain density, number of code division multiplexing groups, number of frequency division multiplexing groups, and number of time division multiplexing groups. The reference signal configuration information satisfies the following conditions: The number of comb teeth is 1, 2, 3, 4, 6 or 12; The starting position of the symbol is any integer from 0 to 13; The number of symbols is any integer from 1 to 14; The number of resource blocks is any integer from 1 to Nmax; Nmax is determined based on the cell bandwidth and subcarrier spacing. The starting position of the subcarrier is any integer from 0 to 13 or 16; The subcarrier spacing is any integer from 0 to 11 or 16; The frequency domain density is 0.5, 1, 2, 3, 4, 6 or 12; The number of code division multiplexing groups is 2, 4 or 8; The number of frequency division multiplexing groups is 2; The number of time-division multiplexing groups is 1, 2 or 4.

9. The communication method according to claim 8, characterized in that, When the multi-port configuration is a 2-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

10. The communication method according to claim 8, characterized in that, When the multi-port configuration is a 4-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 1, the frequency domain density is 6, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 2, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1. The number of comb teeth is 3, the frequency domain density is 2, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 6, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

11. The communication method according to claim 8, characterized in that, When the multi-port configuration is an 8-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

12. The communication method according to claim 8, characterized in that, When the multi-port configuration is a 12-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or... The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2.

13. The communication method according to claim 8, characterized in that, When the multi-port configuration is a 16-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or... The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1.

14. The communication method according to claim 8, characterized in that, When the multi-port configuration is a 24-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 1, the frequency domain density is 31, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or... The number of comb teeth is 1, the frequency domain density is 2, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or... The number of comb teeth is 2, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

15. The communication method according to claim 8, characterized in that, When the multi-port configuration is a 32-port configuration, the combination mode of the number of comb teeth, the frequency domain density, the number of code division multiplexing groups, the number of frequency division multiplexing groups, and the number of time division multiplexing groups includes at least one of the following: The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 2, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 1; or... The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 4, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 2; or... The number of comb teeth is 1, the frequency domain density is 3, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4; or... The number of comb teeth is 3, the frequency domain density is 1, the number of code division multiplexing groups is 8, the number of frequency division multiplexing groups is 2, and the number of time division multiplexing groups is 4.

16. A communication method, characterized in that, Applied to a terminal, the method includes: Receive reference signal configuration information; According to the reference signal configuration information, a reference signal is received on at least one symbol; The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block; Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain; Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

17. A communication device, characterized in that, Applied to a base station, the device includes: The first receiving module is used to receive reference signal configuration information; A configuration module is configured to generate and transmit a reference signal on at least one symbol based on the reference signal configuration information. The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block; Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain; Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

18. A communication device, characterized in that, Applied to a terminal, the device includes: The second receiving module is used to receive reference signal configuration information; The third receiving module is used to receive a reference signal on at least one symbol according to the reference signal configuration information; The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block; Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain; Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

19. A network device, characterized in that, Includes memory, transceiver, and processor; A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: Receive reference signal configuration information; Based on the reference signal configuration information, a reference signal is generated and transmitted on at least one symbol; The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block; Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain; Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

20. A terminal, characterized in that, Includes memory, transceiver, and processor; A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: Receive reference signal configuration information; According to the reference signal configuration information, a reference signal is received on at least one symbol; The reference signal configuration information is used to indicate the resource configuration of the reference signal, and the reference signal configuration information satisfies the following conditions: Within the same cell, the reference signal has a repeated resource unit occupancy pattern in each resource block; Within a single resource block, multiple resource elements of the reference signal allocated to the cell are arranged at equal intervals in the frequency domain; Within each resource block for allocating resources to the reference signal, all resource units within the resource block are allocated to the reference signal of one or more cells; and when the resource configuration of the reference signal is allocated to multiple cells, the reference signals allocated to different cells occupy different resource units.

21. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the computer program, it implements the communication method as described in any one of claims 1 to 15, or the communication method as described in claim 16.

22. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the communication method as described in any one of claims 1 to 15, or the communication method as described in claim 16.

23. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the communication method as described in any one of claims 1 to 15, or the communication method as described in claim 16.

Images