Electronic devices and methods for wireless communication, computer-readable storage medium

Abstract

This disclosure provides an electronic device, method, and computer-readable storage medium for wireless communication. The electronic device includes: processing circuitry configured to: determine a first aperiodic sounding reference signal resource whose beam transmission direction is updated by a first MAC CE signaling; and re-determine a path loss reference signal for the first aperiodic sounding reference signal resource based on beam transmission direction information of the first aperiodic sounding reference signal resource in the first MAC CE signaling or a second MAC CE signaling.

Description

[0001] This application claims priority to Chinese Patent Application No. 201910967995.1, filed on October 12, 2019, entitled "Electronic Device and Method for Wireless Communication, Computer-Readable Storage Medium", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of wireless communication technology, and more specifically to the configuration of Sounding Reference Signal (SRS) resources in wireless communication systems. More specifically, it relates to an electronic device and method for wireless communication, as well as a computer-readable storage medium. Background Technology

[0003] During the standardization process of 3GPP Rel.16, the beam transmission direction of aperiodic SRS is configured via Radio Resource Control (RRC) signaling. To increase the flexibility of beam transmission direction configuration for this signal, the beam transmission direction can also be updated for individual aperiodic SRS resources via MAC CE signaling.

[0004] In addition, the base station can configure multiple SRS resource sets for user equipment (UE). Each SRS resource set can include multiple SRS resources and uplink power control parameters for these SRS resources. Summary of the Invention

[0005] A brief overview of this disclosure is given below to provide a basic understanding of certain aspects of it. It should be understood that this overview is not an exhaustive summary of this disclosure. It is not intended to identify key or essential parts of this disclosure, nor is it intended to limit its scope. Its purpose is merely to present certain concepts in a simplified form as a prelude to the more detailed description that follows.

[0006] According to one aspect of this application, an electronic device for wireless communication is provided, comprising: a processing circuit configured to: determine a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling; and re-determine a path loss reference signal (PLRS) for the first aperiodic SRS resource based on beam transmission direction information of the first aperiodic SRS resource in the first MAC CE signaling or a second MAC CE signaling.

[0007] According to another aspect of this application, a method for wireless communication is provided, comprising: determining a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling; and re-determining a PL RS for the first aperiodic SRS resource based on beam transmission direction information of the first aperiodic SRS resource in the first MAC CE signaling or a second MAC CE signaling.

[0008] According to one aspect of this application, an electronic device for wireless communication is provided, comprising: a processing circuit configured to: determine a PL RS to be used by a UE to re-determine the first aperiodic SRS resource for a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling; and determine an operation to be further performed according to the determined method.

[0009] According to another aspect of this application, a method for wireless communication is provided, comprising: determining a PL RS to be used by a UE to re-determine the first aperiodic SRS resource for a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling; and determining an operation to be further performed according to the determined method.

[0010] According to other aspects of this disclosure, computer program code and computer program products for implementing the above-described method for wireless communication, as well as a computer-readable storage medium having the computer program code for implementing the above-described method for wireless communication recorded thereon, are also provided.

[0011] According to embodiments of the present application, the electronic device and method update the PLRS of a first aperiodic SRS resource updated by a first MAC CE signaling for the beam transmission direction, thereby enabling the appropriate PLRS to be configured for the first aperiodic SRS resource, and thus accurately determining the uplink transmit power of the SRS.

[0012] These and other advantages of this disclosure will become more apparent from the following detailed description of preferred embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0013] To further illustrate the above and other advantages and features of this disclosure, a more detailed description of specific embodiments of this disclosure is provided below with reference to the accompanying drawings. These drawings, together with the following detailed description, are included in and form a part of this specification. Elements having the same function and structure are denoted by the same reference numerals. It should be understood that these drawings only depict typical examples of this disclosure and should not be construed as limiting the scope of this disclosure. In the drawings:

[0014] Figure 1A schematic example is shown of updating the beam transmission direction of an aperiodic SRS resource in an SRS resource set via MAC CE signaling;

[0015] Figure 2 This is a functional block diagram illustrating an electronic device for wireless communication according to an embodiment of this application;

[0016] Figure 3 An example of a method for redetermining the PL RS of the first non-periodic SRS resource is illustrated schematically;

[0017] Figure 4 An example of a method for redetermining the PL RS of the first non-periodic SRS resource is illustrated schematically;

[0018] Figure 5 This schematically illustrates another example of a method for redetermining the PL RS of the first non-periodic SRS resource;

[0019] Figure 6 This schematically illustrates another example of a method for redetermining the PL RS of the first non-periodic SRS resource;

[0020] Figure 7 This schematically illustrates another example of a method for redetermining the PL RS of the first non-periodic SRS resource;

[0021] Figure 8 This is a functional block diagram illustrating an electronic device for wireless communication according to another embodiment of this application;

[0022] Figure 9 A flowchart of a method for wireless communication according to an embodiment of this application is shown;

[0023] Figure 10 A flowchart of a method for wireless communication according to another embodiment of this application is shown;

[0024] Figure 11 This is a block diagram illustrating a first example of a schematic configuration of an eNB or gNB to which the technologies of this disclosure can be applied;

[0025] Figure 12 This is a block diagram illustrating a second example of a schematic configuration of an eNB or gNB to which the technologies of this disclosure can be applied;

[0026] Figure 13 This is a block diagram illustrating an example of a schematic configuration of a smartphone to which the technologies of this disclosure can be applied;

[0027] Figure 14This is a block diagram illustrating an example of a schematic configuration of a car navigation device to which the technology of this disclosure can be applied; and

[0028] Figure 15 This is a block diagram of an exemplary structure of a general-purpose personal computer in which methods and / or apparatus and / or systems according to embodiments of the present disclosure can be implemented. Detailed Implementation

[0029] Exemplary embodiments of the present disclosure will be described below with reference to the accompanying drawings. For clarity and brevity, not all features of actual implementations are described in the specification. However, it should be understood that many implementation-specific decisions must be made in the development of any such actual embodiment to achieve the developer’s specific goals, such as complying with constraints related to the system and business, and these constraints may vary from implementation to implementation. Furthermore, it should be understood that while development work can be very complex and time-consuming, such development work is merely a routine task for those skilled in the art who benefit from the present disclosure.

[0030] It should also be noted that, in order to avoid obscuring this disclosure with unnecessary details, only the equipment structure and / or processing steps closely related to the solution according to this disclosure are shown in the accompanying drawings, while other details that are not closely related to this disclosure are omitted.

[0031] As mentioned earlier, the beam transmission direction of a specific aperiodic SRS resource can be updated via MAC CE signaling. The beam transmission direction information is specific to a single aperiodic SRS resource and may include Spatiospace Relation or Spatiospace Relation Info, containing information about a downlink reference signal such as the Channel State Information Reference Signal (CSI-RS) or the identifier (ID) of a Synchronization Signal Block (SSB), or information about an uplink reference signal such as the ID of another SRS resource.

[0032] On the other hand, uplink power control parameters for SRS resources, such as pathlossReferenceRS, alpha, and p0, are configured on a per-SRS resource set basis. For example, pathlossReferenceRS indicates a periodic downlink reference signal, such as a periodic CSI-RSS or SSB. By measuring the received power of this pathlossReferenceRS, i.e., the Reference Signal Receiving Power (RSRP), and knowing the transmit power of this pathlossReferenceRS (hereinafter referred to as "PL RS"), the UE can calculate the uplink and downlink path loss of the channel in that beam direction. This path loss can be used to adjust the uplink transmit power of the SRS.

[0033] Therefore, when updating the beam transmission direction of an aperiodic SRS resource via MAC CE, the direction of the PL RS of the SRS resource set to which the aperiodic SRS resource belongs may have poor consistency with the updated beam transmission direction, making it unsuitable as the PL RS for that aperiodic SRS resource. If the original PL RS is still used in this case, the uplink transmit power of the aperiodic SRS resource may not be adjusted correctly or the adjustment accuracy may be poor. For ease of understanding, Figure 1 This illustration demonstrates a schematic example of updating the beam transmission direction (PLRS) of an aperiodic SRS resource in an SRS resource set via MAC CE signaling. The SRS resource set A includes M SRS resources, and the PLRS of SRS resource 1 is updated via MAC CE signaling. In this case, the PLRS of SRS resource set A may no longer be suitable for SRS resource 1. This embodiment provides examples of various methods for redetermining the PLRS of such aperiodic SRS resources.

[0034] <First Embodiment>

[0035] Figure 1 A functional block diagram of an electronic device 100 for wireless communication according to an embodiment of this application is shown, such as... Figure 1 As shown, the electronic device 100 includes: a first determining unit 101 configured to determine a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling; and a second determining unit 102 configured to re-determine the PL RS for the first aperiodic SRS resource based on the beam transmission direction information of the first aperiodic SRS resource in the first MAC CE signaling or the second MAC CE signaling.

[0036] The first determining unit 101 and the second determining unit 102 can be implemented by one or more processing circuits, such as chips or processors. Furthermore, it should be understood that... Figure 1 The functional units in the electronic devices shown are logical modules divided according to the specific functions they perform, and are not used to limit the specific implementation. This also applies to other examples of electronic devices described later.

[0037] Electronic device 100 may be located on the UE side or communicatively connected to the UE. It should also be noted that electronic device 100 may be implemented at the chip level or at the device level. For example, electronic device 100 may function as the user equipment itself and may also include external devices such as memory and transceivers (not shown). Memory may be used to store programs and related data information that the user equipment needs to execute to perform various functions. Transceivers may include one or more communication interfaces to support communication with different devices (e.g., base stations, other UEs, etc.), and the specific implementation of the transceiver is not limited here.

[0038] Furthermore, the ordinal numbers such as first and second in this article are used for distinction only and do not indicate any temporal or spatial order or other meaning.

[0039] For example, when a UE receives a first MAC CE signaling from a base station, the first determining unit 101 determines that the first MAC CE signaling is to update the beam transmission direction of the first aperiodic SRS resource. The first MAC CE signaling includes beam transmission direction information of the first aperiodic SRS resource as the target of the update. As mentioned above, the beam transmission direction information may include downlink reference signal information or uplink reference signal information.

[0040] In this embodiment, the second determining unit 102 can redetermine the PLRS of the first aperiodic SRS resource based on the beam transmission direction information in the first MAC CE signaling, which does not require additional signaling; alternatively, it can redetermine the PLRS of the first aperiodic SRS resource based on the second MAC CE signaling sent by the base station. It should be noted that although described here as the first MAC CE signaling and the second MAC CE signaling, this is not restrictive; the first MAC CE signaling and the second MAC CE signaling can also be the same MAC CE signaling.

[0041] In one example, the second determining unit 102 is configured to redetermine the PL RS based on information from the downlink or uplink reference signal included in the beam transmission direction information.

[0042] For example, when the beam transmission direction information includes downlink reference signal information, such as the ID of the downlink reference signal, the second determining unit 102 is configured to use that downlink reference signal as the PL RS of the first aperiodic SRS resource, where the downlink reference signal is, for example, a CSI-RS or an SSB. This configuration of the PL RS provides good directional consistency with the first aperiodic SRS resource. On the other hand, when the beam transmission direction information includes uplink reference signal information, such as the ID of another SRS, the second determining unit 102 is configured to use the PL RS of the SRS resource set containing that uplink reference signal as the PL RS of the first aperiodic SRS resource. A schematic diagram of this example is shown below. Figure 3 As shown, the first MAC CE updates the beam transmission direction of SRS resource 1.

[0043] Furthermore, when the beam transmission direction information includes downlink reference signal information, such as the ID of the downlink reference signal, the second determining unit 102 can also be configured to use the SSB that has a QCL_TypeD relationship with the downlink reference signal as the PL RS of the first aperiodic SRS resource. On the other hand, when the beam transmission direction information includes uplink reference signal information, such as the ID of another SRS, the second determining unit 102 can also be configured to use the SSB in the beam direction previously used to receive the uplink reference signal as the PL RS of the first aperiodic SRS resource. This method can be called a fallback method, and its schematic diagram is shown below. Figure 4 As shown.

[0044] In this example, the second determining unit 102 may use the redefined PL RS of the first aperiodic SRS resource as the PL RS of other aperiodic SRS resources in the first SRS resource set to which the first aperiodic SRS resource belongs, or it may leave the PL RS of other aperiodic SRS resources unchanged. For example, refer to Figure 3 and Figure 4 The new PL RS of SRS resource 1 can be used as the PL RS of SRS resources 0 and SRS resources 2 to SRS resources M, or the PL RS of SRS resources 0 and SRS resources 2 to SRS resources M can be kept unchanged. M is a positive integer. As for which method to use, it can be agreed upon in advance by the base station and the UE.

[0045] As can be seen, this example does not generate additional signaling overhead, and the UE can determine the new PL RS of the first non-periodic SRS resource based on the first MAC CE signaling itself.

[0046] In another example, the base station will use additional MAC CE signaling to help the UE determine the new PL RS for the first non-periodic SRS resource.

[0047] When the PL RS of the first SRS resource set containing the first aperiodic SRS resource is a CSI-RS, the second determining unit 102 is further configured to obtain a second MAC CE signaling from the base station and update the Transmission Configuration Indication (TCI) of the PL RS of the first SRS resource set based on the second MAC CE signaling. Specifically, the second MAC CE signaling changes the downlink beam transmission direction of the CSI-RS by updating the TCI of the CSI-RS that is the PL RS of the first SRS resource set, thereby indirectly changing the PL RS of the first SRS resource set so that the changed PL RS of the first SRS resource set can be suitable for the first aperiodic SRS resource. A schematic diagram of this example is shown below. Figure 5 As shown, the first MAC CE updates the beam transmission direction of SRS resource 1.

[0048] Similarly, the second determining unit 102 can apply the modified PL RS of the first SRS resource set to other aperiodic SRS resources in the set, or it can keep the PL RS of other aperiodic SRS resources unchanged. The specific configuration used depends, for example, on the prior agreement between the base station and the UE.

[0049] In another example, for instance, a first aperiodic SRS resource belongs to a first SRS resource set, but the PL RS of a second SRS resource set, which is different from the first SRS resource set, is more suitable for the updated beam transmission direction of the first aperiodic SRS resource, and thus more suitable as the PL RS of the first aperiodic SRS resource. In this case, the second determining unit 102 is also configured to obtain a second MAC CE signaling from the base station, which is used to transfer the first aperiodic SRS resource to the second SRS resource set. Accordingly, the second determining unit 102 determines the PL RS of the second SRS resource set as the PL RS of the first aperiodic SRS resource. A schematic diagram of this example is shown below. Figure 6 As shown.

[0050] In this example, the PL RS of the first aperiodic SRS resource is updated by modifying the set dependency relationship of the first aperiodic SRS resource while ensuring the consistency of PL RS within the SRS resource set.

[0051] In another example, such as in a carrier aggregation (CA) scenario, the RRC signaling includes a parameter `pathlossReferenceLinking`, which indicates to the UE which serving cell a PL RS of a given SRS resource set is located on. This is typically one of a SpCell (special cell) or an SCell (secondary cell), where there is only one SpCell and multiple SCells (e.g., up to 31). In this example, the use of this parameter is extended; for instance, a second MAC CE signaling can be used to link the PL RS of the first aperiodic SRS resource to other serving cells. The second MAC CE signaling can include an SCell index to indicate that the PL RS of the first aperiodic SRS resource will be linked to the corresponding SCell. For example, the PL RS of the first SRS resource set to which the first aperiodic SRS resource belongs is on SpCell. However, after updating the beam transmission direction of the first aperiodic SRS resource, the PL RS on SpCell is no longer applicable to the first aperiodic SRS resource. The base station will issue a second MAC CE signaling to adjust the parameter pathlossReferenceLinking to a certain SCell. That is, the PL RS of the first aperiodic SRS resource is linked to another serving cell. Note that since the above adjustment is implemented through pathlossReferenceLinking, it can be considered that the PL RS of the first SRS resource set is linked to another serving cell. That is, the PL RS of all SRS resources in the first SRS resource set is linked to another serving cell; or, the PL RS of other SRS resources in the first SRS resource set can remain on the original serving cell. Which method is used can be agreed upon in advance by the base station and the UE.

[0052] Specifically, both the first serving cell and the second serving cell are serving cells in carrier aggregation. The first aperiodic SRS resource belongs to the first SRS resource set, and the first PL RS of the first SRS resource set is on the first serving cell. The second MAC CE signaling is used to link the first PL RS to the second serving cell. The first PL RS on the second serving cell is more suitable for the updated beam transmission direction of the first aperiodic SRS resource, and therefore more suitable as the PL RS of the first aperiodic SRS resource. The second determining unit 102 determines the first PL RS on the second serving cell as the PL RS of the first aperiodic SRS resource. A schematic diagram of this example is shown below. Figure 7As shown, the PL RS of SRS resource 1 is linked to the second serving cell via the second MAC CE signaling. In the second serving cell, this PL RS is, for example, the PL RS of SRS resource set B. Depending on the prior agreement between the base station and the UE, the PL RS of other SRS resources in SRS resource set A can be linked to the second serving cell or remain unchanged.

[0053] Similarly, in this example, the PL RS of the first aperiodic SRS resource was updated based on existing signaling by modifying the serving cell link relationship of the PL RS of the first aperiodic SRS resource using MAC CE signaling.

[0054] It should be noted that the above are just examples of various methods for re-determining the beam transmission direction of non-periodic SRS resources updated by MAC CE signaling, but this is not limiting.

[0055] Furthermore, when multiple methods can be used to redetermine the PL RS of the first aperiodic SRS resource, different priority levels can be set for different methods. For example, the second determining unit 102 can select the method for redetermining the PL RS of the first aperiodic SRS resource in the following priority order: determination based on the second MAC CE signaling; determination based on beam transmission direction information. That is, if the second MAC CE signaling exists, the PL RS of the first aperiodic SRS resource is determined according to the indication of the second MAC CE signaling; otherwise, it is determined based on the beam transmission direction information. It should be understood that this is not restrictive; the opposite priority order can also be used, or the UE can determine which method to use.

[0056] On the other hand, the UE and the base station can agree to use a fixed method to determine the PL RS of the first non-periodic SRS resource. For example, they can select one of the methods mentioned above and use only this method for determination. In this case, for example, a method with minimal signaling overhead can be selected, such as a method based on the uplink reference signal or downlink reference signal information included in the beam transmission direction information.

[0057] In summary, the electronic device 100 according to this embodiment updates its PLRS by updating the first aperiodic SRS resource updated by the first MAC CE signaling for the beam transmission direction, thereby configuring an appropriate PLRS for the first aperiodic SRS resource and accurately determining the uplink transmit power of the SRS.

[0058] <Second Embodiment>

[0059] Figure 8A functional block diagram of an electronic device 200 according to another embodiment of this application is shown, such as Figure 8 As shown, the electronic device 200 includes: a first determining unit 201 configured to determine a PL RS to be used by the UE to re-determine the first aperiodic SRS resource for a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling; and a second determining unit 202 configured to determine an operation to be further performed according to the determined method.

[0060] The first determining unit 201 and the second determining unit 202 can be implemented by one or more processing circuits, such as chips or processors. Furthermore, it should be understood that... Figure 8 The functional units in the electronic devices shown are logical modules divided according to the specific functions they perform, and are not used to limit the specific implementation. This also applies to other examples of electronic devices described later.

[0061] Electronic device 200 can be disposed on the base station side or communicatively connected to the base station. The base station described in this application can also be a Transmit Receive Point (TRP) or an Access Point (AP). It should also be noted that electronic device 200 can be implemented at the chip level or at the device level. For example, electronic device 200 can function as the base station itself and may also include external devices such as memory and transceivers (not shown). The memory can be used to store programs and related data information that the base station needs to execute to implement various functions. The transceiver may include one or more communication interfaces to support communication with different devices (e.g., user equipment, other base stations, etc.), and the specific implementation of the transceiver is not limited here.

[0062] Similar to the first embodiment, the new PL RS of the first non-periodic SRS resource can be determined in a variety of ways.

[0063] For example, the first determining unit 201 may determine that the PLRS is re-determined by the UE based on information from the uplink or downlink reference signal included in the beam direction information. This method has been described in detail in the first embodiment and will not be repeated here. In this manner, the base station does not need to send any additional signaling or perform any other operations; therefore, the second determining unit 202 is configured to determine that no further operations are performed.

[0064] In another example, when the PL RS of the first SRS resource set containing the first aperiodic SRS resource is a CSI-RS, the first determining unit 201 can determine to use the following method: update the TCI of the CSI-RS via a second MAC CE signaling to make it suitable as the PL RS of the first aperiodic SRS resource. The second determining unit 202 is configured to generate and send a second MAC CE signaling including the TCI to the UE. Accordingly, the UE, based on the second MAC CE signaling, uses the CSI-RS with the updated TCI as the PL RS of the first aperiodic SRS resource. Optionally, other aperiodic SRS resources in the first SRS resource set can retain their original PL RS or be changed to new PL RS, depending on, for example, a prior agreement between the base station and the UE. It can be seen that when using this method, the base station needs to additionally generate and send the second MAC CE signaling.

[0065] In another example, assuming the first aperiodic SRS resource belongs to a first SRS resource set, and a PL RS of a second SRS resource set different from the first SRS resource set is suitable as the PL RS of the first aperiodic SRS resource, then the method determined by the first determining unit 202 may include: transferring the first aperiodic SRS resource to the second SRS resource set via a second MAC CE signaling. In this way, the UE can determine the PL RS of the second SRS resource set as the PL RS of the first aperiodic SRS resource. The second determining unit 202 is configured to generate and send a second MAC CE signaling to the UE.

[0066] In another example, assuming a CA scenario, the first serving cell and the second serving cell are serving cells in carrier aggregation, and the RRC signaling indicates in the parameter pathlossReferenceLinking which cell the first PL RS of the first SRS resource set is on, for example, the first serving cell. The first aperiodic SRS resource belongs to the first SRS resource set. After updating the beam transmission direction of the first aperiodic SRS resource through the first MAC CE signaling, the first PL RS on the first serving cell is no longer suitable as the PL RS of the first aperiodic SRS resource. At the same time, the first PL RS is suitable as the PL RS of the first aperiodic SRS resource when it is on the second serving cell. Then, the first determining unit 201 can determine to use the following method: link the first PL RS to the second serving cell through the second MAC CE signaling. In this way, the UE can determine the first PL RS on the second serving cell as the PL RS of the first aperiodic SRS resource. The second determining unit 202 is configured to generate and send the second MAC CE signaling to the UE. Optionally, the PL RS of other non-periodic SRS resources in the first SRS resource set may remain unchanged or may be linked to the second serving cell, depending on, for example, a prior agreement between the base station and the UE.

[0067] For detailed information on the above methods, please refer to the first embodiment, which will not be repeated here. Note that, similar to the first embodiment, the first MAC CE signaling and the second MAC CE signaling can also be the same MAC CE signaling.

[0068] In one approach, the first determining unit 201 may determine one of multiple methods based on various factors, and the second determining unit 202 may determine the further operations to be performed based on the determined method. For example, the first determining unit 201 may determine the method based on one or more of the following: beam transmission direction information in the first MAC CE signaling; PLRS of each SRS resource set; signaling overhead. For example, the first determining unit 201 may determine the priority order of multiple methods based on one or more of these factors, and preferentially use the method listed earlier.

[0069] Alternatively, the first determining unit 201 may consistently employ a particular method, and the second determining unit 202 may determine the next operation to be performed based on that method. For example, this consistently employed method may have good versatility and low signaling overhead. For instance, the first determining unit 201 may consistently employ a method where the UE redetermines the PLRS based on information from the uplink or downlink reference signal included in the beam direction information. In this case, the first determining unit 201 and the second determining unit 201 may even be omitted, and an agreement can be reached between the base station and the UE.

[0070] In summary, the electronic device 200 according to this embodiment updates its PLRS by updating the first aperiodic SRS resource updated by the first MAC CE signaling for the beam transmission direction, thereby configuring an appropriate PLRS for the first aperiodic SRS resource and accurately determining the uplink transmit power of the SRS.

[0071] <Third Embodiment>

[0072] In the process of describing the electronic device for wireless communication in the above embodiments, some processes or methods have obviously been disclosed. Hereinafter, without repeating some details already discussed above, a summary of these methods is given. However, it should be noted that although these methods are disclosed in the description of the electronic device for wireless communication, they do not necessarily employ or are performed by the components described. For example, the embodiments of the electronic device for wireless communication may be implemented partially or entirely using hardware and / or firmware, while the methods for wireless communication discussed below may be implemented entirely by computer-executable programs, although these methods may also employ the hardware and / or firmware of the electronic device for wireless communication.

[0073] Figure 9 A flowchart of a method for wireless communication according to an embodiment of this application is shown. The method includes: determining a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling (S11); and re-determining a PL RS for the first aperiodic SRS resource based on beam transmission direction information of the first aperiodic SRS resource in the first MAC CE signaling or a second MAC CE signaling (S12). The method can be performed on the UE side.

[0074] In one example, in step S12, the PLRS can be re-determined based on the downlink reference signal or uplink reference signal information included in the beam transmission direction information. If the beam transmission direction information includes downlink reference signal information, the downlink reference signal can be used as the PLRS of the first aperiodic SRS resource; if the beam transmission direction information includes uplink reference signal information, the PLRS of the SRS resource set containing the uplink reference signal can be used as the PLRS of the first aperiodic SRS resource. Alternatively, if the beam transmission direction information includes downlink reference signal information, the SSB with a QCL_TypeD relationship to the downlink reference signal can be used as the PLRS of the first aperiodic SRS resource; if the beam transmission direction information includes uplink reference signal information, the SSB in the beam direction previously used to receive the uplink reference signal can be used as the PLRS of the first aperiodic SRS resource.

[0075] In another example, when the PL RS of the first SRS resource set where the first non-periodic SRS resource is located is a CSI-RS, step S12 includes: obtaining the second MAC CE signaling from the base station, and updating the TCI of the PL RS of the first SRS resource set based on the second MAC CE signaling.

[0076] In another example, the first aperiodic SRS resource belongs to the first SRS resource set, and the second MAC CE signaling is used to transfer the first aperiodic SRS resource to a second SRS resource set that is different from the first SRS resource set. Step S12 also includes determining the PL RS of the second SRS resource set as the PL RS of the first aperiodic SRS resource.

[0077] In another example, for a CA scenario, the first aperiodic SRS resource belongs to the first SRS resource set and the first PL RS of the first SRS resource set is on the first serving cell. The second MAC CE signaling is used to link the first PL RS to the second serving cell. Step S12 further includes determining the first PL RS on the second serving cell as the PL RS of the first aperiodic SRS resource, wherein the first serving cell and the second serving cell are serving cells in carrier aggregation.

[0078] Furthermore, depending on the actual configuration, in some examples, the PL RS of the redefined first aperiodic SRS resource can be used as the PL RS of other aperiodic SRS resources in the set to which the first aperiodic SRS resource belongs, or the PL RS of other aperiodic SRS resources can be kept unchanged.

[0079] Furthermore, in step S12, the method for re-determining the PL RS for the first aperiodic SRS resource can be selected, for example, in the following priority order: determination based on the second MAC CE signaling; determination based on beam transmission direction information. It should be understood that this is not limiting.

[0080] Figure 10 A flowchart of a method for wireless communication according to another embodiment of this application is shown. The method includes: determining a PL RS to be used by the UE to re-determine the first aperiodic SRS resource for a first aperiodic SRS resource whose beam transmission direction is updated by a first MAC CE signaling (S21); and determining an operation to be further performed based on the determined method (S22). The method can be performed, for example, at the base station side.

[0081] The method for the UE to redetermine the PL RS of the first non-periodic SRS resource has been described in detail above and will not be repeated here.

[0082] Furthermore, in step S21, the method can be determined, for example, based on one or more of the following: beam transmission direction information in the first MAC CE signaling; PL RS of each SRS resource set; signaling overhead.

[0083] The method described above according to embodiments of this application updates the PL RS of a first aperiodic SRS resource updated by the first MAC CE signaling for the beam transmission direction, thereby configuring an appropriate PL RS for the first aperiodic SRS resource and accurately determining the uplink transmit power of the SRS.

[0084] Note that the above methods can be used in combination or individually, and the details have been described in detail in the first and second embodiments, and will not be repeated here.

[0085] The technology disclosed herein can be applied to a variety of products.

[0086] For example, electronic device 200 can be implemented as various base stations. A base station can be implemented as any type of evolved NodeB (eNB) or gNB (5G base station). eNBs include, for example, macro eNBs and small eNBs. A small eNB can be an eNB covering a cell smaller than a macro cell, such as a pico eNB, micro eNB, and femtocell eNB. A similar situation can occur with gNBs. Alternatively, a base station can be implemented as any other type of base station, such as a NodeB and a Base Transceiver Station (BTS). A base station can include: a subject configured to control wireless communication (also called base station equipment); and one or more remote radio heads (RRHs) located in a different location from the subject. Furthermore, various types of user equipment can operate as base stations by temporarily or semi-persistently performing base station functions.

[0087] Electronic device 100 can be implemented as various user devices. User devices can be implemented as mobile terminals (such as smartphones, tablet PCs, laptop PCs, portable gaming terminals, portable / dongle-type mobile routers, and digital camera devices) or in-vehicle terminals (such as car navigation devices). User devices can also be implemented as terminals performing machine-to-machine (M2M) communication (also known as machine-type communication (MTC) terminals). Furthermore, user devices can be wireless communication modules (such as integrated circuit modules comprising a single chip) installed on each of the aforementioned terminals.

[0088] [Application examples of base stations]

[0089] (First application example)

[0090] Figure 11 This is a block diagram illustrating a first example of a schematic configuration of an eNB or gNB to which the technologies of this disclosure can be applied. Note that the following description uses an eNB as an example, but it can also be applied to a gNB. The eNB 800 includes one or more antennas 810 and a base station device 820. The base station device 820 and each antenna 810 can be connected to each other via RF cables.

[0091] Each of the antennas 810 includes one or more antenna elements (such as multiple antenna elements included in a multiple-input multiple-output (MIMO) antenna) and is used by the base station equipment 820 to transmit and receive wireless signals. Figure 11 As shown, the eNB 800 may include multiple antennas 810. For example, the multiple antennas 810 may be compatible with multiple frequency bands used by the eNB 800. Although Figure 11 An example is shown in which the eNB 800 includes multiple antennas 810, but the eNB 800 may also include a single antenna 810.

[0092] The base station equipment 820 includes a controller 821, a memory 822, a network interface 823, and a wireless communication interface 825.

[0093] The controller 821 can be, for example, a CPU or a DSP, and operates various higher-level functions of the base station equipment 820. For example, the controller 821 generates data packets based on data in signals processed by the wireless communication interface 825, and transmits the generated packets via the network interface 823. The controller 821 can bundle data from multiple baseband processors to generate bundled packets and transmit the generated bundled packets. The controller 821 may have logical functions that perform controls such as radio resource control, radio bearer control, mobility management, admission control, and scheduling. This control can be performed in conjunction with nearby eNBs or core network nodes. The memory 822 includes RAM and ROM, and stores programs executed by the controller 821 and various types of control data (such as terminal lists, transmission power data, and scheduling data).

[0094] Network interface 823 is a communication interface used to connect base station equipment 820 to core network 824. Controller 821 can communicate with core network nodes or other eNBs via network interface 823. In this case, eNB 800 and core network nodes or other eNBs can be connected to each other through logical interfaces (such as S1 and X2 interfaces). Network interface 823 can also be a wired communication interface or a wireless communication interface for wireless backhaul. If network interface 823 is a wireless communication interface, it can use a higher frequency band for wireless communication compared to the frequency band used by wireless communication interface 825.

[0095] The wireless communication interface 825 supports any cellular communication scheme (such as LTE and LTE-Advanced) and provides wireless connectivity to terminals located in the cell of eNB 800 via antenna 810. The wireless communication interface 825 typically includes, for example, a baseband (BB) processor 826 and RF circuitry 827. The BB processor 826 can perform, for example, encoding / decoding, modulation / demodulation, and multiplexing / demultiplexing, and performs various types of signal processing at layers such as L1, Media Access Control (MAC), Radio Link Control (RLC), and Packet Data Convergence Protocol (PDCP). Instead of controller 821, the BB processor 826 may have some or all of the above-described logical functions. The BB processor 826 may be a memory storing communication control programs, or a module including a processor and associated circuitry configured to execute programs. Updates can change the functionality of the BB processor 826. The module may be a card or blade inserted into a slot in base station equipment 820. Alternatively, the module may be a chip mounted on a card or blade. Meanwhile, the RF circuit 827 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives wireless signals via the antenna 810.

[0096] like Figure 11 As shown, the wireless communication interface 825 may include multiple BB processors 826. For example, the multiple BB processors 826 may be compatible with multiple frequency bands used by the eNB 800. Figure 11 As shown, the wireless communication interface 825 may include multiple RF circuits 827. For example, the multiple RF circuits 827 may be compatible with multiple antenna elements. Although Figure 11 An example is shown in which the wireless communication interface 825 includes multiple BB processors 826 and multiple RF circuits 827, but the wireless communication interface 825 may also include a single BB processor 826 or a single RF circuit 827.

[0097] exist Figure 11 In the eNB 800 shown, the transceiver of the electronic device 200 can be implemented by the wireless communication interface 825. At least a portion of the functionality can also be implemented by the controller 821. For example, the controller 821 can determine the method for the PL RS of the first aperiodic SRS resource updated by the MAC CE signaling for the UE to re-determine the beam transmission direction by executing the functions of the first determining unit 201 and the second determining unit 202, and perform the corresponding operations.

[0098] (Second application example)

[0099] Figure 12This is a block diagram illustrating a second example of a schematic configuration of an eNB or gNB to which the technologies of this disclosure can be applied. Note that, similarly, the following description uses an eNB as an example, but it can also be applied to a gNB. The eNB 830 includes one or more antennas 840, a base station device 850, and an RRH 860. The RRH 860 and each antenna 840 can be connected to each other via RF cables. The base station device 850 and the RRH 860 can be connected to each other via high-speed lines such as fiber optic cables.

[0100] Each of the antennas 840 includes one or more antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the RRH 860 to transmit and receive wireless signals. Figure 12 As shown, the eNB 830 may include multiple antennas 840. For example, the multiple antennas 840 may be compatible with multiple frequency bands used by the eNB 830. Although Figure 12 An example is shown in which the eNB 830 includes multiple antennas 840, but the eNB 830 may also include a single antenna 840.

[0101] The base station equipment 850 includes a controller 851, a memory 852, a network interface 853, a wireless communication interface 855, and a connection interface 857. The controller 851, memory 852, and network interface 853 are connected to a reference... Figure 11 The controller 821, memory 822, and network interface 823 described are the same.

[0102] The wireless communication interface 855 supports any cellular communication scheme (such as LTE and LTE-Advanced) and provides wireless communication to terminals located in the sector corresponding to the RRH 860 via the RRH 860 and antenna 840. The wireless communication interface 855 may typically include, for example, a BB processor 856. In addition to the BB processor 856 being connected to the RF circuitry 864 of the RRH 860 via a connection interface 857, the BB processor 856 is connected to the reference... Figure 11 The described BB processor 826 is the same. Figure 12 As shown, the wireless communication interface 855 may include multiple BB processors 856. For example, the multiple BB processors 856 may be compatible with multiple frequency bands used by the eNB 830. Although Figure 12 An example is shown in which the wireless communication interface 855 includes multiple BB processors 856, but the wireless communication interface 855 may also include a single BB processor 856.

[0103] Connection interface 857 is an interface for connecting base station device 850 (wireless communication interface 855) to RRH 860. Connection interface 857 can also be a communication module for connecting base station device 850 (wireless communication interface 855) to the aforementioned high-speed line of RRH 860.

[0104] The RRH 860 includes a connectivity interface 861 and a wireless communication interface 863.

[0105] Connection interface 861 is an interface for connecting RRH 860 (wireless communication interface 863) to base station equipment 850. Connection interface 861 can also be a communication module for communication in the aforementioned high-speed line.

[0106] The wireless communication interface 863 transmits and receives wireless signals via antenna 840. The wireless communication interface 863 typically includes, for example, RF circuitry 864. RF circuitry 864 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives wireless signals via antenna 840. Figure 12 As shown, the wireless communication interface 863 may include multiple RF circuits 864. For example, the multiple RF circuits 864 may support multiple antenna elements. Although Figure 12 An example is shown in which the wireless communication interface 863 includes multiple RF circuits 864, but the wireless communication interface 863 may also include a single RF circuit 864.

[0107] exist Figure 12 In the eNB 830 shown, the transceiver of the electronic device 200 can be implemented by the wireless communication interface 855 and / or the wireless communication interface 863. At least a portion of the functionality can also be implemented by the controller 851. For example, the controller 851 can determine the method for the PL RS of the first aperiodic SRS resource updated by the MAC CE signaling for the UE to re-determine the beam transmission direction by executing the functions of the first determining unit 201 and the second determining unit 202, and perform the corresponding operations.

[0108] [Application examples related to user equipment]

[0109] (First application example)

[0110] Figure 13This is a block diagram illustrating an example of a schematic configuration of a smartphone 900 to which the technologies of this disclosure can be applied. The smartphone 900 includes a processor 901, a memory 902, a storage device 903, an external connection interface 904, a camera device 906, a sensor 907, a microphone 908, an input device 909, a display device 910, a speaker 911, a wireless communication interface 912, one or more antenna switches 915, one or more antennas 916, a bus 917, a battery 918, and an auxiliary controller 919.

[0111] The processor 901 can be, for example, a CPU or a system-on-a-chip (SoC), and controls the application layer and other functions of the smartphone 900. The memory 902 includes RAM and ROM, and stores data and programs executed by the processor 901. The storage device 903 can include storage media such as semiconductor memory and hard disks. The external connectivity interface 904 is an interface for connecting external devices, such as memory cards and Universal Serial Bus (USB) devices, to the smartphone 900.

[0112] The camera device 906 includes an image sensor (such as a charge-coupled device (CCD) and complementary metal-oxide-semiconductor (CMOS)) and generates captured images. The sensor 907 may include a set of sensors, such as a measurement sensor, a gyroscope sensor, a magnetometer sensor, and an accelerometer sensor. The microphone 908 converts sound input to the smartphone 900 into an audio signal. The input device 909 includes, for example, a touch sensor, keypad, keyboard, buttons, or switches configured to detect touches on the screen of the display device 910 and receives operations or information input from the user. The display device 910 includes a screen (such as a liquid crystal display (LCD) and an organic light-emitting diode (OLED) display) and displays the output image of the smartphone 900. The speaker 911 converts the audio signal output from the smartphone 900 into sound.

[0113] The wireless communication interface 912 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication. The wireless communication interface 912 typically includes, for example, a BB processor 913 and RF circuitry 914. The BB processor 913 can perform, for example, encoding / decoding, modulation / demodulation, and multiplexing / demultiplexing, and performs various types of signal processing for wireless communication. Meanwhile, the RF circuitry 914 can include, for example, mixers, filters, and amplifiers, and transmits and receives wireless signals via antenna 916. Note that although the figure shows a scenario where one RF link is connected to one antenna, this is only illustrative; scenarios where an RF link is connected to multiple antennas via multiple phase shifters are also included. The wireless communication interface 912 can be a single chip module on which the BB processor 913 and RF circuitry 914 are integrated. Figure 13As shown, the wireless communication interface 912 may include multiple BB processors 913 and multiple RF circuits 914. Although Figure 13 An example is shown in which the wireless communication interface 912 includes multiple BB processors 913 and multiple RF circuits 914, but the wireless communication interface 912 may also include a single BB processor 913 or a single RF circuit 914.

[0114] In addition to cellular communication schemes, the wireless communication interface 912 can support other types of wireless communication schemes, such as short-range wireless communication schemes, near-field communication schemes, and wireless local area network (LAN) schemes. In this case, the wireless communication interface 912 may include a BB processor 913 and RF circuitry 914 for each wireless communication scheme.

[0115] Each of the antenna switches 915 switches the connection destination of the antenna 916 among multiple circuits (e.g., circuits for different wireless communication schemes) included in the wireless communication interface 912.

[0116] Each of the antennas 916 includes one or more antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the wireless communication interface 912 to transmit and receive wireless signals. Figure 13 As shown, the smartphone 900 may include multiple antennas 916. Although Figure 13 An example is shown in which the smartphone 900 includes multiple antennas 916, but the smartphone 900 may also include a single antenna 916.

[0117] Furthermore, the smartphone 900 may include an antenna 916 for each wireless communication scheme. In this case, the antenna switch 915 can be omitted from the configuration of the smartphone 900.

[0118] Bus 917 connects processor 901, memory 902, storage device 903, external connection interface 904, camera device 906, sensor 907, microphone 908, input device 909, display device 910, speaker 911, wireless communication interface 912, and auxiliary controller 919 to each other. Battery 918 supplies power to... Figure 13 The various blocks of the smartphone 900 shown are powered, and the feeders are partially shown as dashed lines in the figure. The auxiliary controller 919 operates the minimum necessary functions of the smartphone 900, for example, in sleep mode.

[0119] exist Figure 13In the illustrated smartphone 900, the transceiver of the electronic device 100 can be implemented by the wireless communication interface 912. At least a portion of the functionality can also be implemented by the processor 901 or the auxiliary controller 919. For example, the processor 901 or the auxiliary controller 919 can re-determine the PLRS of the first aperiodic SRS resource updated by the MAC CE signaling by executing the functions of the first determining unit 101 and the second determining unit 102.

[0120] (Second application example)

[0121] Figure 14 This is a block diagram illustrating an example of a schematic configuration of a car navigation device 920 to which the technology of this disclosure can be applied. The car navigation device 920 includes a processor 921, a memory 922, a Global Positioning System (GPS) module 924, a sensor 925, a data interface 926, a content player 927, a storage medium interface 928, an input device 929, a display device 930, a speaker 931, a wireless communication interface 933, one or more antenna switches 936, one or more antennas 937, and a battery 938.

[0122] The processor 921 can be, for example, a CPU or a SoC, and controls the navigation functions and other functions of the car navigation device 920. The memory 922 includes RAM and ROM, and stores data and programs executed by the processor 921.

[0123] GPS module 924 uses GPS signals received from GPS satellites to measure the location (such as latitude, longitude, and altitude) of car navigation device 920. Sensor 925 may include a set of sensors, such as a gyroscope sensor, a geomagnetic sensor, and an air pressure sensor. Data interface 926 is connected to, for example, an in-vehicle network 941 via a terminal not shown, and acquires data generated by the vehicle (such as vehicle speed data).

[0124] Content player 927 reproduces content stored on storage media (such as CDs and DVDs), which is inserted into storage media interface 928. Input device 929 includes, for example, a touch sensor, button, or switch configured to detect touch on the screen of display device 930, and receives operations or information input from the user. Display device 930 includes a screen such as an LCD or OLED display and displays images or reproduced content for navigation functions. Speaker 931 outputs sound for navigation functions or reproduced content.

[0125] The wireless communication interface 933 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication. The wireless communication interface 933 typically includes, for example, a BB processor 934 and RF circuitry 935. The BB processor 934 can perform, for example, encoding / decoding, modulation / demodulation, and multiplexing / demultiplexing, and performs various types of signal processing for wireless communication. Meanwhile, the RF circuitry 935 can include, for example, a mixer, filters, and amplifiers, and transmits and receives wireless signals via an antenna 937. The wireless communication interface 933 can also be a chip module on which the BB processor 934 and RF circuitry 935 are integrated. Figure 14 As shown, the wireless communication interface 933 may include multiple BB processors 934 and multiple RF circuits 935. Although Figure 14 An example is shown in which the wireless communication interface 933 includes multiple BB processors 934 and multiple RF circuits 935, but the wireless communication interface 933 may also include a single BB processor 934 or a single RF circuit 935.

[0126] In addition to cellular communication schemes, the wireless communication interface 933 can support other types of wireless communication schemes, such as short-range wireless communication schemes, near-field communication schemes, and wireless LAN schemes. In this case, for each wireless communication scheme, the wireless communication interface 933 may include a BB processor 934 and an RF circuit 935.

[0127] Each of the antenna switches 936 switches the connection destination of the antenna 937 among multiple circuits (such as circuits for different wireless communication schemes) included in the wireless communication interface 933.

[0128] Each of the antennas 937 includes one or more antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the wireless communication interface 933 to transmit and receive wireless signals. Figure 14 As shown, the car navigation device 920 may include multiple antennas 937. Although Figure 14 An example is shown in which the car navigation device 920 includes multiple antennas 937, but the car navigation device 920 may also include a single antenna 937.

[0129] Furthermore, the car navigation device 920 may include an antenna 937 for each wireless communication scheme. In this case, the antenna switch 936 can be omitted from the configuration of the car navigation device 920.

[0130] Battery 938 via feeder to Figure 14 The various blocks of the car navigation device 920 shown are powered, and the feeders are partially shown as dashed lines in the figure. Battery 938 accumulates the power supplied from the vehicle.

[0131] exist Figure 14 In the illustrated car navigation device 920, the electronic device 100 can be implemented by the wireless communication interface 933. At least a portion of the functionality can also be implemented by the processor 921. For example, the processor 921 can re-determine the PLRS of the first aperiodic SRS resource updated by the MAC CE signaling by executing the functions of the first determining unit 101 and the second determining unit 102.

[0132] The technology disclosed herein can also be implemented as an in-vehicle system (or vehicle) 940 comprising one or more of the following blocks: a car navigation device 920, an in-vehicle network 941, and a vehicle module 942. The vehicle module 942 generates vehicle data (such as vehicle speed, engine speed, and fault information) and outputs the generated data to the in-vehicle network 941.

[0133] The basic principles of this disclosure have been described above with reference to specific embodiments. However, it should be noted that those skilled in the art will understand that all or any step or component of the methods and apparatus of this disclosure can be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in the form of hardware, firmware, software or a combination thereof. This is something that those skilled in the art can achieve by using their basic circuit design knowledge or basic programming skills after reading the description of this disclosure.

[0134] Furthermore, this disclosure also proposes a program product storing machine-readable instruction code. When the instruction code is read and executed by a machine, the methods described above according to embodiments of this disclosure can be performed.

[0135] Accordingly, the storage medium used to carry the program product storing machine-readable instruction code is also included in this disclosure. The storage medium includes, but is not limited to, floppy disks, optical disks, magneto-optical disks, memory cards, memory sticks, etc.

[0136] In the case where this disclosure is implemented through software or firmware, transmission from a storage medium or network to a computer with a dedicated hardware architecture (e.g., Figure 15 The general-purpose computer 1500 shown is equipped with the programs that constitute the software, and when various programs are installed, the computer is able to perform various functions, etc.

[0137] exist Figure 15In this system, the Central Processing Unit (CPU) 1501 performs various processes based on programs stored in the Read-Only Memory (ROM) 1502 or programs loaded into the Random Access Memory (RAM) 1503 from the Storage Section 1508. The RAM 1503 also stores data required as needed when the CPU 1501 performs various processes, etc. The CPU 1501, ROM 1502, and RAM 1503 are interconnected via a bus 1504. An input / output interface 1505 is also connected to the bus 1504.

[0138] The following components are connected to the input / output interface 1505: input section 1506 (including keyboard, mouse, etc.), output section 1507 (including display, such as cathode ray tube (CRT), liquid crystal display (LCD), etc., and speakers, etc.), storage section 1508 (including hard disk, etc.), and communication section 1509 (including network interface card, such as LAN card, modem, etc.). The communication section 1509 performs communication processing via a network, such as the Internet. If necessary, a drive 1510 may also be connected to the input / output interface 1505. Removable media 1511, such as disks, optical disks, magneto-optical disks, semiconductor memories, etc., are installed on the drive 1510 as needed, so that computer programs read from them can be installed into the storage section 1508 as needed.

[0139] When the above series of processes are implemented by software, the program constituting the software is installed from a network such as the Internet or a storage medium such as removable media 1511.

[0140] Those skilled in the art will understand that such storage media are not limited to Figure 15 The illustration shows a removable medium 1511 containing a program, distributed separately from the device to provide the program to the user. Examples of removable media 1511 include disks (including floppy disks (registered trademark)), optical disks (including optical disc read-only memory (CD-ROM) and digital versatile disks (DVD)), magneto-optical disks (including mini-discs (MD) (registered trademark)), and semiconductor memory. Alternatively, the storage medium may be ROM 1502, a hard disk included in storage section 1508, etc., containing programs and distributed to the user along with the device containing them.

[0141] It should also be noted that in the apparatus, method, and system of this disclosure, the components or steps can be decomposed and / or recombined. These decompositions and / or recombinations should be considered equivalent solutions of this disclosure. Furthermore, the steps performing the above series of processes can naturally be executed in the order described, but are not necessarily required to be executed in chronological order. Some steps can be performed in parallel or independently of each other.

[0142] Finally, it should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Furthermore, unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0143] While embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, it should be understood that the embodiments described above are merely illustrative and do not constitute a limitation thereof. Those skilled in the art can make various modifications and alterations to the above embodiments without departing from the spirit and scope of the present disclosure. Therefore, the scope of the present disclosure is defined only by the appended claims and their equivalents.

Claims

1. An electronic device for wireless communication, comprising: The processing circuit is configured as follows: The first aperiodic detection reference signal resource whose beam transmission direction is determined by the first MAC CE signaling; as well as Based on the second MAC CE signaling, the path loss reference signal used for the first aperiodic probe reference signal resource is redefined. Wherein, the first aperiodic probe reference signal resource belongs to the first probe reference signal resource set, the second MAC CE signaling is used to transfer the first aperiodic probe reference signal resource to a second probe reference signal resource set that is different from the first probe reference signal resource set, and the processing circuit is configured to determine the path loss reference signal of the second probe reference signal resource set as the path loss reference signal of the first aperiodic probe reference signal resource.

2. The electronic device according to claim 1, wherein, The processing circuit is configured to redetermine the path loss reference signal based on information from the downlink or uplink reference signal included in the beam transmission direction information.

3. The electronic device according to claim 2, wherein, When the beam transmission direction information includes downlink reference signal information, the processing circuit is configured to use the downlink reference signal as the path loss reference signal for the first aperiodic probe reference signal resource.

4. The electronic device according to claim 2, wherein, When the beam transmission direction information includes information about an uplink reference signal, the processing circuit is configured to use the path loss reference signal of the probe reference signal resource set where the uplink reference signal is located as the path loss reference signal of the first aperiodic probe reference signal resource.

5. The electronic device according to claim 2, wherein, When the beam transmission direction information includes downlink reference signal information, the processing circuit is configured to use a synchronization signal block that has a QCL_TypeD relationship with the downlink reference signal as the path loss reference signal for the first aperiodic probe reference signal resource.

6. The electronic device according to claim 2, wherein, When the beam transmission direction information includes information about an uplink reference signal, the processing circuit is configured to use the synchronization signal block in the beam direction previously used to receive the uplink reference signal as the path loss reference signal for the first aperiodic probe reference signal resource.

7. The electronic device according to claim 1, wherein, The processing circuit is further configured to use the path loss reference signal of the redefined first aperiodic probe reference signal resource as the path loss reference signal of other aperiodic probe reference signal resources in the first probe reference signal resource set to which the first aperiodic probe reference signal resource belongs.

8. The electronic device according to claim 1, wherein, The processing circuit is further configured to keep the path loss reference signal of other aperiodic probe reference signal resources in the first probe reference signal resource set to which the first aperiodic probe reference signal resource belongs unchanged.

9. The electronic device according to claim 1, wherein, The processing circuit is configured to select a method for re-determining the path loss reference signal for the first aperiodic probe reference signal resource in the following priority order: determined based on the second MAC CE signaling; determined based on the beam transmission direction information.

10. An electronic device for wireless communication, comprising: The processing circuit is configured as follows: A method for determining the path loss reference signal to be used by the user equipment to re-determine the first aperiodic sounding reference signal resource for the first aperiodic sounding reference signal resource whose beam transmission direction is updated by the first MAC CE signaling; as well as The next steps to be taken will be determined based on the established method. Wherein, the first aperiodic detection reference signal resource belongs to the first detection reference signal resource set, and the path loss reference signal of the second detection reference signal resource set, which is different from the first detection reference signal resource set, is suitable as the path loss reference signal of the first aperiodic detection reference signal resource. The determined method includes: transferring the first aperiodic probe reference signal resource to the second probe reference signal resource set via a second MAC CE signaling, and The determined further operations include: generating and sending the second MAC CE signaling to the user equipment.

11. The electronic device according to claim 10, wherein, The processing circuit is configured to determine the method based on one or more of the following: beam transmission direction information in the first MAC CE signaling; path loss reference signals for each set of probe reference signal resources; and signaling overhead.

12. A method for wireless communication, comprising: The first aperiodic detection reference signal resource whose beam transmission direction is determined by the first MAC CE signaling; as well as Based on the second MAC CE signaling, the path loss reference signal used for the first aperiodic probe reference signal resource is re-determined; Wherein, the first aperiodic probe reference signal resource belongs to a first probe reference signal resource set, and the second MAC CE signaling is used to transfer the first aperiodic probe reference signal resource to a second probe reference signal resource set that is different from the first probe reference signal resource set. The method further includes: determining the path loss reference signal of the second set of probe reference signal resources as the path loss reference signal of the first aperiodic probe reference signal resource.

13. A method for wireless communication, comprising: A method for determining the path loss reference signal to be used by the user equipment to re-determine the first aperiodic sounding reference signal resource for the first aperiodic sounding reference signal resource whose beam transmission direction is updated by the first MAC CE signaling; as well as The next steps to be taken will be determined based on the established method. Wherein, the first aperiodic detection reference signal resource belongs to the first detection reference signal resource set, and the path loss reference signal of the second detection reference signal resource set, which is different from the first detection reference signal resource set, is suitable as the path loss reference signal of the first aperiodic detection reference signal resource. The determined method includes: transferring the first aperiodic probe reference signal resource to the second probe reference signal resource set via a second MAC CE signaling, and The determined further operations include: generating and sending the second MAC CE signaling to the user equipment.

14. A computer-readable storage medium having stored thereon computer-executable instructions that, when executed, perform the method for wireless communication according to claim 12 or 13.

15. An electronic device for wireless communication, comprising: The processing circuit is configured as follows: The first aperiodic detection reference signal resource whose beam transmission direction is determined by the first MAC CE signaling; as well as Based on the second MAC CE signaling, the path loss reference signal used for the first aperiodic probe reference signal resource is redefined. Wherein, the first aperiodic sounding reference signal resource belongs to the first sounding reference signal resource set, the first path loss reference signal of the first sounding reference signal resource set is on the first serving cell, the second MAC CE signaling is used to link the first path loss reference signal to the second serving cell, and the processing circuit is configured to determine the first path loss reference signal on the second serving cell as the path loss reference signal of the first aperiodic sounding reference signal resource, wherein the first serving cell and the second serving cell are serving cells in carrier aggregation.

16. An electronic device for wireless communication, comprising: The processing circuit is configured as follows: A method for determining the path loss reference signal to be used by the user equipment to re-determine the first aperiodic sounding reference signal resource for the first aperiodic sounding reference signal resource whose beam transmission direction is updated by the first MAC CE signaling; as well as The next steps to be taken will be determined based on the established method. Wherein, the first aperiodic sounding reference signal resource belongs to the first sounding reference signal resource set, the first path loss reference signal of the first sounding reference signal resource set is on the first serving cell, and the first path loss reference signal is suitable as the path loss reference signal of the first aperiodic sounding reference signal resource when it is on the second serving cell, wherein the first serving cell and the second serving cell are serving cells in carrier aggregation. The determined method includes: linking the first path loss reference signal to the second serving cell via a second MAC CE signaling, and The determined further operations include: generating and sending the second MAC CE signaling to the user equipment.

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