Method for reference signal configuration

Abstract

A wireless communication method, system and device for reference signal configuration. The wireless communication method includes configuring at least one first sounding reference signal (SRS) resource set to a wireless terminal, and receiving at least one first SRS from the wireless terminal based on the at least one SRS resource set, wherein each SRS resource set in the at least one SRS resource set includes at least one SRS resource.

Description

Technical Field

[0001] This document relates generally to wireless communications. Background Art

[0002] In Long Term Evolution (LTE), the physical downlink (DL) control channel (PDCCH) is used to carry DL control information (DCI), where DCI may include uplink (UL) / DL scheduling messages and UL power control information. There are many DCI formats, such as DCI formats 0, 1, 1A, 1B, 1C, 1d, 2, 2A, 3, 3A. DCI formats 2B, 2C and 2D were added in Advanced LTE (LTE-A) version 12 to support various applications and transmission modes. Via DCI, a communication node (e.g., an evolved Node B (eNB)) can configure a communication terminal device (e.g., a user equipment (UE)). Alternatively, a communication terminal device can be configured by a high layer (i.e., the communication terminal device is configured via high layer signaling).

[0003] The sounding reference signal (SRS) is a signal used to measure the channel state information (CSI) of the channel between the communication node and the communication terminal device. In the LTE system, the communication terminal device periodically sends the UL SRS on the last data symbol of the subframe based on the parameters indicated by the communication node (e.g., frequency band, frequency domain position, sequence cyclic shift, time period, subframe offset, etc.). The communication node determines the CSI of the UL channel of the UE based on the received SRS, and performs operations (e.g., frequency selection scheduling and closed-loop power control) according to the determined CSI.

[0004] According to LTE version 10, non-precoded SRS should be used for UL communication (i.e., antenna-specific SRS), and the demodulation reference signal (DMRS) of the physical UL shared channel (PUSCH) should perform precoding. By receiving non-precoded SRS, the communication node is able to estimate the original CSI, which is based on the precoded DMRS and cannot be obtained. In this case, the communication terminal device may require more SRS resources when using multiple antennas to send non-precoded SRS, resulting in a reduction in the number of communication terminal devices simultaneously multiplexed in the system. The communication terminal device can send SRS configured by high-level signaling (type-0 trigger) or DCI (type-1 trigger). The SRS transmission configured by high-level signaling is periodic, and the SRS transmission configured by DCI is non-periodic. Since LTE-A version 10 adds non-periodic SRS, the utilization of SRS resources and the flexibility of scheduling SRS are improved to a certain extent.

[0005] According to New Radio (NR) Release 15, the use of SRS is divided into four categories: beam management, codebook-based, non-codebook-based, and antenna switching. Summary of the invention

[0006] This document relates to methods, systems, and devices for configuring reference signals, and more particularly to methods, systems, and devices for configuring sounding reference signals.

[0007] The present disclosure relates to a wireless communication method for a wireless network node. The wireless communication method comprises:

[0008] configuring at least one first sounding reference signal SRS resource set for the wireless terminal, and

[0009] receiving at least one first SRS from a wireless terminal based on at least one SRS resource set,

[0010] Each SRS resource set in the at least one SRS resource set includes at least one SRS resource.

[0011] Various embodiments may preferably achieve the following features:

[0012] Preferably, the at least one SRS resource includes at least one first SRS resource, and the radio network node receives at least one first SRS from the wireless terminal in the at least one first SRS resource.

[0013] Preferably, the at least one SRS resource includes at least one second SRS resource, and the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource.

[0014] Preferably, the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource based on the at least one time parameter.

[0015] Preferably, the at least one time parameter comprises a time period, and the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource in each of the time periods.

[0016] Preferably, the period is determined based on a period for transmitting at least one first SRS for the first network and a period for transmitting at least one second SRS for the second network.

[0017] Preferably, one second SRS resource among the at least one second SRS resource is selected for receiving at least one first SRS, and the number of SRS transmissions is increased.

[0018] Preferably, one second SRS resource among the at least one second SRS resource is selected for receiving at least one first SRS, and the number of SRS transmissions remains unchanged.

[0019] Preferably, at least one SRS resource includes at least one third SRS resource, and the at least one third SRS resource includes at least one resource parameter, wherein the at least one resource parameter indicates at least one resource in which the wireless network node receives at least one first SRS from the wireless terminal and at least one resource in which the wireless network node does not receive at least one first SRS from the wireless terminal.

[0020] Preferably, the at least one SRS resource includes a partitioning parameter for determining a length of each first SRS in the at least one first SRS.

[0021] Preferably, the length of each of the at least one first SRS is determined by dividing at least one physical resource block PRB configured for each of the at least one first SRS into a plurality of PRB segments according to a division parameter.

[0022] Preferably, the at least one first SRS is in one PRB segment among a plurality of PRB segments.

[0023] Preferably, at least one SRS resource comprises an offset parameter, and the offset parameter is configured to indicate one PRB segment among a plurality of PRB segments for each first SRS in the at least one first SRS.

[0024] Preferably, the offset parameter is configured via Radio Resource Control (RRC) signaling.

[0025] Preferably, the partitioning parameters are configured via RRC signaling.

[0026] The present disclosure relates to a wireless communication method for a wireless terminal. The wireless communication method includes:

[0027] receiving a configuration of at least one first sounding reference signal (SRS) resource set from a radio network node, and

[0028] sending at least one first SRS to a radio network node based on at least one SRS resource set,

[0029] Each SRS resource set in the at least one SRS resource set includes at least one SRS resource.

[0030] Various embodiments may preferably achieve the following features:

[0031] Preferably, the at least one SRS resource includes at least one first SRS resource, and the wireless terminal sends at least one first SRS to the radio network node in the at least one first SRS resource.

[0032] Preferably, the at least one SRS resource includes at least one second SRS resource, and the wireless terminal does not send the at least one first SRS to the radio network node in the at least one second SRS resource.

[0033] Preferably, the wireless terminal does not send at least one first SRS to the radio network node in at least one second SRS resource based on at least one time parameter.

[0034] Preferably, the at least one time parameter comprises a time period, and the wireless terminal does not send the at least one first SRS to the radio network node in the at least one second SRS resource in each of the time periods.

[0035] Preferably, the period is determined based on a period for transmitting at least one first SRS for the first network and a period for transmitting at least one second SRS for the second network.

[0036] Preferably, one second SRS resource among the at least one second SRS resource is selected for transmitting the at least one first SRS, and the number of SRS transmissions is increased.

[0037] Preferably, one second SRS resource among the at least one second SRS resource is selected for sending at least one first SRS, and the number of SRS transmissions remains unchanged.

[0038] Preferably, at least one SRS resource includes at least one third SRS resource, and the at least one third SRS resource includes at least one resource parameter, wherein the at least one resource parameter indicates at least one resource in which the wireless network node receives at least one first SRS from the wireless terminal and at least one resource in which the wireless network node does not receive at least one first SRS from the wireless terminal.

[0039] Preferably, the at least one SRS resource comprises a partitioning parameter for determining a length of each first SRS in the at least one first SRS.

[0040] Preferably, the length of each of the at least one first SRS is determined by dividing at least one physical resource block PRB configured for each of the at least one first SRS into a plurality of PRB segments according to a division parameter.

[0041] Preferably, the at least one first SRS is in one PRB segment among a plurality of PRB segments.

[0042] Preferably, at least one SRS resource comprises an offset parameter, and the offset parameter is configured to indicate one PRB segment among a plurality of PRB segments for each first SRS in the at least one first SRS.

[0043] Preferably, the offset parameter is configured via Radio Resource Control (RRC) signaling.

[0044] Preferably, the partitioning parameters are configured via RRC signaling.

[0045] The present disclosure relates to a wireless network node, the wireless network node comprising:

[0046] A processor configured to configure at least one first sounding reference signal SRS resource set for a wireless terminal, and

[0047] The communication unit is configured to receive at least one first SRS from a wireless terminal based on at least one SRS resource set.

[0048] Various embodiments may preferably achieve the following features:

[0049] Preferably, the processor is further configured to execute the wireless communication method described in any one of the aforementioned methods.

[0050] The present disclosure relates to a wireless terminal, the wireless terminal comprising a communication unit, the communication unit being configured to:

[0051] receiving a configuration of at least one first sounding reference signal (SRS) resource set from a radio network node, and

[0052] sending at least one first SRS to a radio network node based on at least one SRS resource set,

[0053] Each SRS resource set in the at least one SRS resource set includes at least one SRS resource.

[0054] Various embodiments may preferably achieve the following features:

[0055] Preferably, the wireless terminal further comprises a processor, wherein the processor is configured to execute any one of the wireless communication methods described above.

[0056] The present disclosure relates to a computer program product, which includes a computer-readable program medium code stored thereon, which, when executed by a processor, causes the processor to implement the wireless communication method described in any one of the aforementioned methods.

[0057] The exemplary embodiments disclosed herein are intended to provide features that will become apparent when referring to the following description in conjunction with the accompanying drawings. According to various embodiments, exemplary systems, methods, devices, and computer program products are disclosed herein. However, it should be understood that these embodiments are presented as examples rather than limitations, and it will be clear to those of ordinary skill in the art who read this disclosure that various modifications may be made to the disclosed embodiments while remaining within the scope of this disclosure.

[0058] Therefore, the present disclosure is not limited to the exemplary embodiments and applications described and illustrated herein. In addition, the specific order and / or hierarchy of steps in the methods disclosed herein are merely exemplary methods. Based on design preferences, the specific order or hierarchy of steps of the disclosed methods or processes can be rearranged while remaining within the scope of the present disclosure. Therefore, it will be understood by those of ordinary skill in the art that the methods and techniques disclosed herein present various steps or actions in an example order, and the present disclosure is not limited to the specific order or hierarchy presented, unless otherwise explicitly stated. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] The above and other aspects and implementations thereof are described in more detail in the drawings, the description and the claims.

[0060] Figure 1 An example of a schematic diagram of a wireless terminal according to an embodiment of the present disclosure is shown.

[0061] Figure 2 An example of a schematic diagram of a wireless network node according to an embodiment of the present disclosure is shown.

[0062] Figure 3A and Figure 3B An example of an SRS resource set according to an embodiment of the present disclosure is shown.

[0063] Figure 4A and Figure 4B An example of an SRS resource set according to an embodiment of the present disclosure is shown.

[0064] Figure 5 An example of a DSS according to an embodiment of the present disclosure is shown.

[0065] Fig. 6A , Figure 6B and Figure 6C An example of SRS transmission according to an embodiment of the present disclosure is shown. DETAILED DESCRIPTION

[0066] Figure 1A schematic diagram of a wireless terminal 10 according to an embodiment of the present disclosure is provided. The wireless terminal 10 may be a user equipment (UE), a mobile phone, a laptop computer, a tablet computer, an e-book, or a portable computer system, and is not limited herein. The wireless terminal 10 may include a processor 100 such as a microprocessor or an application-specific integrated circuit (ASIC), a storage unit 110, and a communication unit 120. The storage unit 110 may be any data storage device that stores program code 112, which is accessed and executed by the processor 100. Embodiments of the storage unit 112 include, but are not limited to, a subscriber identity module (SIM), a read-only memory (ROM), a flash memory, a random access memory (RAM), a hard disk, and an optical data storage device. The communication unit 120 may be a transceiver and is used to send and receive signals (e.g., messages or packets) based on the processing results of the processor 100. In one embodiment, the communication unit 120 communicates with the user via a memory card. Figure 1 At least one antenna 122 is shown for transmitting and receiving signals.

[0067] In one embodiment, the storage unit 110 and the program code 112 may be omitted, and the processor 100 may include a storage unit storing the program code.

[0068] Processor 100 may implement any of the steps of the example embodiments on wireless terminal 10 , for example by executing program code 112 .

[0069] The communication unit 120 may be a transceiver. Alternatively or additionally, the communication unit 120 may combine a transmitting unit and a receiving unit configured to respectively transmit and receive signals to and from a wireless network node (eg, a base station).

[0070] Figure 2A schematic diagram of a radio network node 20 according to an embodiment of the present disclosure is provided. The radio network node 20 may be a satellite, a base station (BS), a network entity, a mobility management entity (MME), a serving gateway (S-GW), a packet data network (PDN) gateway (P-GW), a radio access network (RAN), a next generation RAN (NG-RAN), a data network, a core network, or a radio network controller (RNC), and is not limited herein. The radio network node 20 may include a processor 200 such as a microprocessor or an ASIC, a storage unit 210, and a communication unit 220. The storage unit 210 may be any data storage device that stores program code 212, which is accessed and executed by the processor 200. Examples of the storage unit 212 include, but are not limited to, a SIM, a ROM, a flash memory, a RAM, a hard disk, and an optical data storage device. The communication unit 220 may be a transceiver, and is used to send and receive signals (e.g., messages or packets) according to the processing results of the processor 200. In one example, the communication unit 220 communicates with the communication unit 220 via Figure 2 At least one antenna 222 is shown for transmitting and receiving signals.

[0071] In one embodiment, the storage unit 210 and the program code 212 may be omitted. The processor 200 may include a storage unit storing program code.

[0072] The processor 200 may implement any of the steps described in the exemplary embodiments on the radio network node 20 , for example, via executing the program code 212 .

[0073] The communication unit 220 may be a transceiver. Alternatively or additionally, the communication unit 220 may combine a transmission unit and a reception unit configured to transmit and receive signals to and from a wireless terminal (eg, user equipment), respectively.

[0074] In the present disclosure, a base station may be a base station of a microcell, a base station or a communication node of a small cell, a transmission node in a high frequency communication system, a transmission node in an Internet of Things (IoT) system, or a communication node in a satellite system.

[0075] In the present disclosure, a UE may be a cellular phone, a portable device, a vehicle, or a node (eg, a terminal) in a communication system (eg, a satellite system).

[0076] In the present disclosure, resources may be frequency resources and / or time resources.

[0077] In the present disclosure, a resource set may include (eg, represent) at least one resource.

[0078] In the present disclosure, frequency may be a frequency point, a frequency band or a frequency resource.

[0079] In one embodiment, the BS may configure a sounding reference signal (SRS) set for the UE, wherein each SRS resource set in the configured SRS resource set includes at least one SRS resource. In one embodiment, based on the configuration received from the BS, the UE does not send SRS in the SRS resources in the configured SRS resource set and / or the BS does not receive SRS in the SRS resources in the configured SRS resource set. In one embodiment, based on the configuration received from the BS, the UE sends SRS in the SRS resources in the configured SRS resource set and / or the BS receives SRS in the SRS resources in the configured SRS resource set. In one embodiment, the SRS resources in each SRS resource set in the configured SRS resource set are configured with a resource parameter (e.g., a bit), which indicates at least one resource in which the UE sends SRS and / or the BS receives SRS, and indicates at least one resource in which the UE does not send SRS and / or the BS does not receive SRS.

[0080] In one embodiment, when the UE switches the resource for transmitting the SRS to an SRS resource set including SRS resources in which the UE does not transmit the SRS and / or the BS does not receive the SRS, the UE stops transmitting the SRS for the number of times n SRS That is, when the UE switches the resource for transmitting SRS to an SRS resource set including SRS resources in which the UE does not transmit SRS and / or the BS does not receive SRS, the number of times n that the UE keeps transmitting SRS is n. SRS constant.

[0081] Figure 3A and Figure 3B An example of an SRS resource set according to an embodiment of the present disclosure is shown, where b is the index of the transmission bandwidth level of the SRS. Figure 3A and Figure 3B The table shown shows the SRS resource sets corresponding to different transmission bandwidth levels (i.e., when b=0, 1, 2, or 3), each grid represents an SRS resource set, and the number of each grid represents the index of the corresponding SRS resource set. Note that for the sake of brevity, the SRS resource sets corresponding to the transmission bandwidth levels with indices b=0, 1, and 2 are omitted. Figure 3A In the table shown, the UE switches the resource (set) used to send the SRS according to the order of the index of the SRS resource set in the row b=3. Figure 3B In the embodiment shown, the UE can Figure 3A The resources (sets) used to send SRS are switched in the same order as shown in FIG. Figure 3BIn the illustrated embodiment, the BS configures two SRS resource sets (ie, Figure 3A In this embodiment, when the UE switches the resource for transmitting SRS to the SRS resource set with indexes 1 and 6, Figure 3A The number of times n that the UE stops transmitting SRS when the SRS resource set with indexes 1 and 6 is shown SRS Therefore, the index of the SRS resource set is correspondingly increased from Figure 3A The index shown changes to Figure 3B The index shown.

[0082] In one embodiment, when the UE switches the resource for transmitting the SRS to an SRS resource set including SRS resources in which the UE does not transmit the SRS and / or the BS does not receive the SRS, the UE maintains the number of times n in which the SRS is transmitted. SRS That is, when the UE switches the resource for transmitting SRS to an SRS resource set including SRS resources in which the UE does not transmit SRS and / or the BS does not receive SRS, the UE increases the number of SRS transmissions n SRS .

[0083] Figure 4A and Figure 4B An example of an SRS resource set according to an embodiment of the present disclosure is shown, where b is the index of the transmission bandwidth level of the SRS. Figure 4A and Figure 4B The table shown shows the SRS resource sets corresponding to different transmission bandwidth levels (i.e., when b=0, 1, 2, or 3), each grid represents an SRS resource set, and the number of each grid represents the index of the corresponding SRS resource set. Note that for the sake of brevity, the SRS resource sets corresponding to the transmission bandwidth levels with indexes b=0, 1, and 2 are omitted. Figure 4B In the embodiment shown, the UE can Figure 4A The resources (sets) used to send SRS are switched in the same order as shown in FIG. Figure 4B In the illustrated embodiment, the BS configures two SRS resource sets (ie, Figure 3A In this embodiment, when the UE switches the resource for transmitting SRS to the SRS resource set with indexes 1 and 6, Figure 3A When the SRS resource set with index 1 and 6 is shown, the UE maintains the SRS transmission for the number of times n SRS Therefore, except for the SRS resource set that is not configured for SRS transmission, Figure 4A and Figure 4B The indexes of the SRS resource sets shown are the same.

[0084] In one embodiment, a long term evolution (LTE) network and a new wireless (NR) network may perform dynamic spectrum sharing (DSS). When performing DSS, the SRS of the LTE network and the SRS of the NR may be sent separately (e.g., on different symbols) to avoid interference between the SRS of the LTE network and the SRS of the NR.

[0085] Figure 5 An example of a DSS according to an embodiment of the present disclosure is shown. Figure 5 In the example, a UE of the NR network (e.g., UE1) may transmit an NR SRS symbol (i.e., a symbol carrying the SRS of the NR network), and a UE (e.g., UE2) may transmit an LTE SRS symbol (i.e., a symbol carrying the SRS of the LTE network). Figure 5 As shown, when UEs (e.g., UE1 and UE2) use the same resources to send SRS, NR SRS symbols may interfere with LTE SRS symbols. In order to avoid interference, SRS resources may not be configured for NR symbols where interference occurs. If the subcarrier spacing (SCS) of NR is twice that of LTE, the two NR symbols overlapping with the LTE SRS symbols cannot be configured with SRS resources. In this case, the NR SRS capability may be invalid. If the LTE network operates in frequency division duplex (FDD) mode, this problem may become worse because all LTE subframes where interference occurs cannot be used to send NR SRS.

[0086] In the present disclosure, the BS may configure certain SRS resources (e.g., Figure 3A The NR SRS resource set with indexes 1 and 6 shown in the figure is used to avoid interference between the NR SRS and the LTE SRS. In this case, the NR SRS can be configured on the last symbol of the LTE subframe. Therefore, the NR SRS capability is also improved.

[0087] In one embodiment, the period P for sending NR SRS NR It can be different from the period P during which LTE SRS is sent. LTE Therefore, the SRS resources in which the NR SRS is not transmitted can be configured based on a time parameter, for example, the time parameter is consistent with the period P in which the LTE SRS is transmitted. LTE and the period P for sending NRE SRS NR In one embodiment, the time period P for sending LTE SRS is LTE It can be the period P for sending NR SRS NR N times (for example, P LTE =N×P NR), and the SRS resources in which the NR SRS is not transmitted can be transmitted every N time periods P NR (i.e., N×P NR ) to configure.

[0088] In one embodiment, the SRS resources in each SRS resource set may be configured with a partition parameter k to improve the coverage of the SRS. In this embodiment, the partition parameter k is configured to determine the length of each SRS. For example, the number of physical resource blocks (PRBs) configured for each SRS may be m. SRS,b The length of SRS can be changed to m SRS,b PRBs divided by the partition parameter k (i.e., m SRS,b / k PRBs). Because the length of each SRS is calculated by dividing m SRS,b PRBs divided by the division parameter k, so the power of sending SRS can be increased. For example, if the power of sending SRS is originally P, the power of sending SRS can become P×k after adjusting the length of each SRS based on the division parameter K. Therefore, the coverage of SRS is improved.

[0089] In one embodiment, the UE may support 2 transmission (TX) to 4 reception (RX) switching (2T4R, 2 transmit 4 receive). In one embodiment, the UE supporting 2T4R may divide its antennas into 2 groups, and each group of antennas supports 1T2R. By measuring the uplink signal, the BS can determine which group of antennas has an improved configuration (e.g., performance), and may configure the UE via signaling to send UL signals on the group of antennas with a better configuration. In one embodiment, the method by which the BS configures the UE via signaling to send UL signals on the group of antennas with an improved configuration includes:

[0090] 1. Configure antenna port group association parameters in an SRS resource set or SRS resource configured by high-level signaling, wherein the antenna port group association parameters are configured to indicate antenna port group APG0 or another antenna port group APG1. For example, antenna port group APG0 and antenna port group APG1 are configured with different antenna port group association parameters, and different antenna port group association parameters are used to indicate antenna port groups for sending non-periodic SRS, wherein each of the antenna port group association parameters is configured with a corresponding non-periodic SRS resource trigger. In one embodiment, the antenna port group association parameter is a resource identifier (ID) of an SRS resource set. In one embodiment, the antenna port group association parameter associates the index of the antenna group with the resource ID of the corresponding SRS resource set. In one embodiment, the index of the antenna port group is associated with the resource ID of the SRS resource in the periodic SRS resource set.

[0091] In one embodiment, a UE supporting 2T4R is configured with a periodic SRS resource set, wherein the periodic SRS resource set includes 2 resources RES0 and RES1, and each of the resources RES0 and RES1 consists of 2 SRS ports. In addition, the UE supporting 2T4R is also configured with 2 non-periodic SRS resource sets SRS-RS1 and SRS_RS2, wherein each of the non-periodic SRS resource sets SRS-RS1 and SRS-RS2 includes 1 SRS resource consisting of 1 SRS port, and is configured with antenna port group association parameters. In one embodiment, the antenna port group association parameters in the SRS resources of the non-periodic SRS resource sets SRS-RS1 and SRS-RS2 can be associated with the resource IDs of the resources RES0 and RES1 in the periodic SRS. Therefore, the function of dynamically selecting the antenna port group via downlink control information can be realized.

[0092] In one embodiment, the above embodiments related to the UE supporting 2T4R can also be applied to the UE supporting 4TX 8RX switching (4T8R, 4 transmit 8 receive). For example, the UE supporting 4T8R can divide its antenna into 2 groups of antennas, and each group of antennas supports 2T4R.

[0093] In one embodiment, the BS may configure the partition parameter k via RRC signaling.

[0094] In one embodiment, the resources (e.g., physical resource blocks (PRBs)) configured for each SRS may be divided into a plurality of resource segments according to a division parameter k, and the corresponding SRS is transmitted in one of the plurality of resource segments. In one embodiment, the resource segment for transmitting the SRS is predefined. In one embodiment, the resource segment for transmitting the SRS may be determined based on an offset parameter configured by the BS. In one embodiment, the offset parameter is configured via RRC signaling.

[0095] Fig. 6A An example of SRS transmission according to an embodiment of the present disclosure is shown. Fig. 6A In , each SRS is configured with 4 PRBs, and the partition parameter k is 2. Therefore, the length of each SRS becomes 2 (ie, 4 / 2) PRBs. Fig. 6A In FIG, the two PRBs configured for sending SRS are the first PRB and the second PRB (from top to bottom).

[0096] Figure 6B An example of SRS transmission according to an embodiment of the present disclosure is shown. Fig. 6A ,exist Figure 6B In , each SRS is configured with 4 PRBs and the partition parameter k is 2. Therefore, the length of each SRS is also 2 PRBs. Figure 6B In FIG. 1 , the two PRBs configured for sending SRS are the last two PRBs (from top to bottom).

[0097] Figure 6C An example of SRS transmission according to an embodiment of the present disclosure is shown. Fig. 6A and Figure 6B ,exist Figure 6C In , each SRS is configured with 4 PRBs and the partition parameter k is 2. Therefore, the length of each SRS is also 2 PRBs. Figure 6C In FIG. 1 , the two PRBs configured for sending SRS are the second PRB and the third PRB (from top to bottom).

[0098] Note that the RSB used to transmit the SRS may be determined based on an offset parameter configured by the BS. For example, the BS may configure the offset parameter to Fig. 6A , Figure 6B and Figure 6C In one embodiment, the BS may configure a parameter offset with a value of 0 to indicate that the RSB used to send the SRS is Fig. 6A In one embodiment, the BS may configure a parameter offset of 1 to indicate that the RSB used to send the SRS is Figure 6B In one embodiment, the BS may configure a parameter offset of 2 to indicate that the RSB used to send the SRS is Figure 6C Those shown.

[0099] In the present disclosure, reference is made exemplarily to the fifth generation mobile communication system (5G). However, it should be understood by those skilled in the art that the present disclosure is not limited to 5G (or any other mobile communication standard, such as LTE), but also covers other standards without departing from the present disclosure.

[0100] Although various embodiments of the present disclosure have been described above, it should be understood that they are presented only by way of example and not by way of limitation. Similarly, various figures may depict example architectures or configurations, which are provided to enable those of ordinary skill in the art to understand the exemplary features and functions of the present disclosure. However, those of ordinary skill in the art understand that the present disclosure is not limited to the example architectures or configurations shown, but may be implemented using various alternative architectures and configurations. In addition, as will be appreciated by those of ordinary skill in the art, one or more features of an embodiment may be combined with one or more features of another embodiment described herein. Therefore, the breadth and scope of the present disclosure should not be limited by any of the above-described exemplary embodiments.

[0101] It should also be understood that any reference to an element using names such as "first," "second," etc., herein generally does not limit the number or order of these elements. Instead, these names can be used herein as a convenient means of distinguishing between two or more elements or instances of an element. Therefore, reference to a first element and a second element does not mean that only two elements can be used, or that the first element must precede the second element in some way.

[0102] In addition, those skilled in the art will appreciate that information and signals may be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, and symbols, etc., that may be referenced in the above description may be represented by voltage, current, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0103] The skilled person will further understand that any of the various illustrative logical blocks, units, processors, devices, circuits, methods, and functions described in conjunction with the aspects disclosed herein may be implemented by electronic hardware (e.g., digital implementation, analog implementation, or a combination of the two), firmware, various forms of programs or design codes combined with instructions (for convenience, may be referred to herein as "software" or "software units"), or any combination of these technologies.

[0104] In order to clearly illustrate this interchangeability of hardware, firmware and software, various illustrative components, blocks, units, circuits and steps have been described above generally according to their functions. Whether such functions are implemented as hardware, firmware, or software, or a combination of these technologies depends on the specific application and the design constraints imposed on the entire system. Skilled technicians can implement the described functions in various ways for each specific application, but such implementation decisions will not lead to deviations from the scope of this disclosure. According to various embodiments, processors, devices, components, circuits, structures, machines, units, etc. can be configured to perform one or more of the functions described herein. As used herein with respect to a specified operation or function, the term "configured to" or "configured for" refers to a processor, device, component, circuit, structure, machine, unit, etc. that is physically constructed, programmed and / or arranged to perform a specified operation or function.

[0105] In addition, it will be appreciated by those skilled in the art that the various illustrative logic blocks, units, devices, components, and circuits described herein may be implemented or performed within an integrated circuit (IC), which may include a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic device, or any combination thereof. The logic blocks, units, and circuits may also include antennas and / or transceivers to communicate with various components within a network or within a device. The general purpose processor may be a microprocessor, but in an alternative, the processor may be any conventional processor, controller, or state machine. The processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors combined with a DSP core, or any other suitable configuration for performing the functions described herein. If implemented in software, the function may be stored as one or more instructions or codes on a computer-readable medium. Therefore, the steps of the method or algorithm disclosed herein may be implemented as software stored on a computer-readable medium.

[0106] Computer-readable media include both computer storage media and communication media, including any medium capable of sending a computer program or code from one place to another. Storage media can be any available medium that a computer can access. As an example and not limitation, such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage or other magnetic storage device, or any other medium that can be used to store desired program code in the form of instructions or data structures and can be accessed by a computer.

[0107] In this document, the term "unit" as used herein refers to software, firmware, hardware, and any combination of these elements for performing the relevant functions described herein. In addition, for the purpose of discussion, various units are described as discrete units; however, as is clear to one of ordinary skill in the art, two or more units may be combined to form a single unit that performs the relevant functions according to embodiments of the present disclosure.

[0108] In addition, memory or other storage devices and communication components may be used in embodiments of the present disclosure. It should be understood that, for the sake of clarity, the above description has described embodiments of the present disclosure with reference to different functional units and processors. However, it is apparent that any suitable functional distribution between different functional units, processing logic elements or domains may be used without departing from the present disclosure. For example, functions illustrated as being performed by separate processing logic elements or controllers may be performed by the same processing logic elements or controllers. Therefore, references to specific functional units are only references to appropriate means for providing the described functions, rather than indicating a strict logical or physical structure or organization.

[0109] Various modifications to the implementations described in this disclosure will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other implementations without departing from the scope of this disclosure. Therefore, the present disclosure is not intended to be limited to the implementations shown herein, but is to be consistent with the widest scope consistent with the novel features and principles disclosed herein, as described in the appended claims.

Claims

1. A wireless communication method for use in a wireless network node, the wireless communication method comprising: configuring at least one sounding reference signal (SRS) resource set for the wireless terminal, and receiving at least one first SRS from the wireless terminal based on the at least one SRS resource set, wherein each of the at least one SRS resource set includes at least one SRS resource, wherein the at least one SRS resource comprises at least one second SRS resource, the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource, wherein the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource based on at least one time parameter, wherein the at least one time parameter comprises a time period, and the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource in each of the time periods, wherein the period is determined based on a period for sending the at least one first SRS for the first network and a period for sending at least one second SRS for the second network, and The resources used to send the at least one first SRS for the first network overlap with the resources used to send the at least one second SRS for the second network. 2 . The wireless communication method according to claim 1 , wherein the at least one SRS resource comprises at least one first SRS resource, and the radio network node receives the at least one first SRS from the wireless terminal in the at least one first SRS resource. 3 . The wireless communication method according to claim 1 , wherein one of the at least one second SRS resource is selected for receiving the at least one first SRS, and the number of SRS transmissions is increased. 4 . The wireless communication method according to claim 1 , wherein one of the at least one second SRS resource is selected for receiving the at least one first SRS, and the number of SRS transmissions remains unchanged.

5. The wireless communication method according to claim 1 or 2, wherein the at least one SRS resource comprises at least one third SRS resource, and the at least one third SRS resource comprises at least one resource parameter, The at least one resource parameter indicates: at least one resource in which the radio network node receives the at least one first SRS from the wireless terminal, and at least one resource in which the radio network node does not receive the at least one first SRS from the wireless terminal.

6. The wireless communication method according to claim 1 or 2, wherein the at least one SRS resource comprises: A partitioning parameter is used to determine the length of each first SRS in the at least one first SRS.

7. The wireless communication method according to claim 6, wherein the length of each of the at least one first SRS is determined by dividing at least one physical resource block (PRB) configured for each of the at least one first SRS into a plurality of PRB segments according to the division parameter. 8 . The wireless communication method according to claim 7 , wherein the at least one first SRS is in one PRB segment among the plurality of PRB segments.

9. The wireless communication method according to claim 8, wherein the at least one SRS resource includes an offset parameter, and the offset parameter is configured to indicate the one PRB segment among the multiple PRB segments for each first SRS in the at least one first SRS.

10. The wireless communication method according to claim 9, wherein the offset parameter is configured via Radio Resource Control (RRC) signaling.

11. The wireless communication method according to any one of claims 7 to 10, wherein the partitioning parameter is configured via RRC signaling.

12. A wireless communication method for a wireless terminal, the wireless communication method comprising: receiving a configuration of at least one sounding reference signal (SRS) resource set from a radio network node, and Based on the at least one SRS resource set, sending at least one first SRS to the radio network node, wherein each of the at least one SRS resource set includes at least one SRS resource, wherein the at least one SRS resource includes at least one second SRS resource, and the wireless terminal does not send the at least one first SRS to the wireless network node in the at least one second SRS resource, wherein the wireless terminal does not send the at least one first SRS to the wireless network node in the at least one second SRS resource based on at least one time parameter, wherein the at least one time parameter comprises a time period, and the wireless terminal does not send the at least one first SRS to the wireless network node in the at least one second SRS resource in each of the time periods, wherein the period is determined based on a period for sending the at least one first SRS for the first network and a period for sending at least one second SRS for the second network, The resources used to send the at least one first SRS for the first network overlap with the resources used to send the at least one second SRS for the second network. 13 . The wireless communication method according to claim 12 , wherein the at least one SRS resource comprises at least one first SRS resource, and the wireless terminal sends the at least one first SRS to the wireless network node in the at least one first SRS resource. 14 . The wireless communication method according to claim 12 , wherein one of the at least one second SRS resource is selected for transmitting the at least one first SRS, and the number of SRS transmissions is increased. 15 . The wireless communication method according to claim 12 , wherein one of the at least one second SRS resource is selected for transmitting the at least one first SRS, and the number of SRS transmissions remains unchanged.

16. The wireless communication method according to claim 12 or 13, wherein the at least one SRS resource comprises at least one third SRS resource, the at least one third SRS resource comprises at least one resource parameter, The at least one resource parameter indicates: at least one resource in which the radio network node receives the at least one first SRS from the wireless terminal, and at least one resource in which the radio network node does not receive the at least one first SRS from the wireless terminal. 17 . The wireless communication method according to claim 12 , wherein the at least one SRS resource comprises a partitioning parameter for determining a length of each of the at least one first SRS.

18. The wireless communication method according to claim 17, wherein the length of each of the at least one first SRS is determined by dividing at least one physical resource block (PRB) configured for each of the at least one first SRS into a plurality of PRB segments according to the division parameter. 19 . The wireless communication method according to claim 18 , wherein the at least one first SRS is in one PRB segment among the plurality of PRB segments.

20. The wireless communication method according to claim 19, wherein the at least one SRS resource comprises an offset parameter, and the offset parameter is configured to indicate the one PRB segment of the plurality of PRB segments for each first SRS of the at least one first SRS.

21. The wireless communication method according to claim 20, wherein the offset parameter is configured via Radio Resource Control (RRC) signaling.

22. The wireless communication method according to any one of claims 17 to 19, wherein the partitioning parameter is configured via RRC signaling.

23. A wireless network node, comprising: A processor configured to configure at least one sounding reference signal (SRS) resource set for a wireless terminal, and a communication unit configured to receive at least one first SRS from the wireless terminal based on the at least one SRS resource set, wherein the at least one SRS resource comprises at least one second SRS resource, the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource, wherein the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource based on at least one time parameter, wherein the at least one time parameter comprises a time period, and the radio network node does not receive the at least one first SRS from the wireless terminal in the at least one second SRS resource in each of the time periods, wherein the period is determined based on a period for sending the at least one first SRS for the first network and a period for sending at least one second SRS for the second network, and The resources used to send the at least one first SRS for the first network overlap with the resources used to send the at least one second SRS for the second network.

24. The radio network node according to claim 23, wherein the processor is further configured to perform the wireless communication method according to any one of claims 2 to 11.

25. A wireless terminal, comprising: The communication unit is configured as follows: receiving a configuration of at least one sounding reference signal (SRS) resource set from a radio network node, and Based on the at least one SRS resource set, sending at least one first SRS to the radio network node, wherein each of the at least one SRS resource set includes at least one SRS resource, wherein the at least one SRS resource includes at least one second SRS resource, and the wireless terminal does not send the at least one first SRS to the wireless network node in the at least one second SRS resource, wherein the wireless terminal does not send the at least one first SRS to the wireless network node in the at least one second SRS resource based on at least one time parameter, wherein the at least one time parameter comprises a time period, and the wireless terminal does not send the at least one first SRS to the wireless network node in the at least one second SRS resource in each of the time periods, wherein the period is determined based on a period for sending the at least one first SRS for the first network and a period for sending at least one second SRS for the second network, The resources used to send the at least one first SRS for the first network overlap with the resources used to send the at least one second SRS for the second network. 26 . The wireless terminal according to claim 25 , further comprising a processor, wherein the processor is configured to execute the wireless communication method according to any one of claims 13 to 22.

27. A computer program product comprising computer readable program medium code stored thereon, which, when executed by a processor, causes the processor to implement the method according to any one of claims 1 to 22.

Images