WO2021088970A1 - 探测参考信号发射设置方法、信息配置方法、定位方法和相关设备 - Google Patents
探测参考信号发射设置方法、信息配置方法、定位方法和相关设备 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
Definitions
- the present invention relates to the field of communication technology, in particular to an SRS transmission setting method, information configuration method, positioning method and related equipment.
- the terminal needs to transmit SRS (Sounding Reference Signal).
- SRS Sounding Reference Signal
- the constraints of its transmission direction and transmission power do not meet the positioning requirements, which leads to poor positioning of SRS transmission; and, due to the limited power of the terminal, this makes the transmission power of each transmission direction unable to be sufficient.
- the successful reception of the cell to achieve positioning results in the limited coverage of SRS signals and limits the application scenarios of SRS positioning.
- the embodiments of the present invention provide an SRS transmission setting method, information configuration method, positioning method and related equipment to solve the problem of poor SRS transmission positioning and coverage.
- an embodiment of the present invention provides an SRS transmission setting method, which is applied to a terminal, and the method includes:
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal
- the first measurement result is a result obtained by measuring the serving cell and neighboring cells by the terminal based on the cell information.
- an embodiment of the present invention provides an information configuration method, and the method includes:
- the network side device configures the cell information of the serving cell and neighboring cells for the terminal, where the cell information is used to determine the transmission parameters of the reference signal SRS for channel sounding;
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal.
- an embodiment of the present invention also provides a terminal, including:
- a receiving module configured to receive cell information of a serving cell and neighboring cells, where the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal;
- a setting module configured to set transmission parameters of the reference signal SRS for channel sounding according to the cell information and/or the first measurement result
- the first measurement result is a result obtained by measuring the serving cell and neighboring cells by the terminal based on the cell information.
- an embodiment of the present invention also provides a network side device, including:
- the configuration module is used to configure cell information of the serving cell and neighboring cells for the terminal, and the cell information is used to determine the transmission parameters of the reference signal SRS for channel sounding;
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal.
- an embodiment of the present invention also provides a positioning method, which is applied to a communication device, where the communication device is a network-side device or a terminal, and the method includes:
- the location information of the terminal is determined, and the target measurement information is the measurement information of the spatial relationship signal and the positioning reference signal.
- an embodiment of the present invention also provides a communication device, where the communication device is a network-side device or a terminal, and includes:
- the determining module is configured to determine the location information of the terminal according to the target measurement information, where the target measurement information is the measurement information of the spatial relationship signal and the positioning reference signal.
- an embodiment of the present invention also provides another terminal, including: a memory, a processor, and a program stored on the memory and running on the processor.
- a program stored on the memory and running on the processor.
- an embodiment of the present invention also provides another network-side device, including: a memory, a processor, and a program stored on the memory and capable of running on the processor, and the program is used by the processor. When executed, the steps in the information configuration method in the second aspect of the embodiment of the present invention are realized.
- an embodiment of the present invention also provides another communication device.
- the communication device is a network-side device or a terminal, and includes: a memory, a processor, and a device stored in the memory and running on the processor.
- a program when the program is executed by the processor, implements the steps in the positioning method in the fifth aspect of the embodiment of the present invention.
- an embodiment of the present invention also provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the embodiment of the present invention in the first aspect is implemented. Steps in the SRS transmission setting method, or, when the computer program is executed by a processor, implement the steps in the information configuration method in the second aspect of the embodiment of the present invention, or when the computer program is executed by the processor, implement the present invention The steps in the positioning method in the fifth aspect of the embodiment.
- the terminal by configuring the cell information of the serving cell and neighboring cells for the terminal, the terminal can transmit parameters of the SRS according to the cell information of the serving cell and neighboring cells, and/or the measurement results of the serving cell and neighboring cells. Make settings. Since the terminal setting of the SRS transmission parameters comprehensively considers the cell information of the serving cell and neighboring cells, the directivity, localization and coverage of the SRS transmission can be improved.
- Figure 1 is a structural diagram of a network system applicable to an embodiment of the present invention
- FIG. 2 is a flowchart of a method for setting SRS transmission according to an embodiment of the present invention
- Figure 3 is one of the schematic diagrams of an information configuration provided by an embodiment of the present invention.
- FIG. 4 is a second schematic diagram of an information configuration provided by an embodiment of the present invention.
- FIG. 5 is the third schematic diagram of an information configuration provided by an embodiment of the present invention.
- Fig. 6 is a fourth schematic diagram of an information configuration provided by an embodiment of the present invention.
- FIG. 7 is the fifth schematic diagram of an information configuration provided by an embodiment of the present invention.
- FIG. 8 is a flowchart of another SRS transmission setting method provided by an embodiment of the present invention.
- FIG. 9 is a flowchart of an information configuration method provided by an embodiment of the present invention.
- FIG. 10 is a structural diagram of a terminal provided by an embodiment of the present invention.
- FIG. 11 is a structural diagram of a network side device provided by an embodiment of the present invention.
- Figure 12 is a structural diagram of another terminal provided by an embodiment of the present invention.
- FIG. 13 is a structural diagram of another network side device provided by an embodiment of the present invention.
- FIG. 14 is a flowchart of a positioning method provided by an embodiment of the present invention.
- FIG. 15 is a structural diagram of a communication device provided by an embodiment of the present invention.
- FIG. 16 is a structural diagram of another terminal provided by an embodiment of the present invention.
- FIG. 17 is a structural diagram of another network side device provided by an embodiment of the present invention.
- words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiment of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
- the wireless communication system can be a 5G system, or an evolved Long Term Evolution (eLTE) system, or a subsequent evolved communication system.
- eLTE evolved Long Term Evolution
- FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present invention. As shown in FIG. 1, it includes a terminal 11 and a network side device 12.
- the terminal 11 may be a user terminal or other terminal side.
- Devices such as: mobile phones, tablet computers (Tablet Personal Computer), laptop computers (Laptop Computer), personal digital assistants (personal digital assistant, PDA), mobile Internet devices (Mobile Internet Device, MID) or wearable devices
- PDA personal digital assistant
- mobile Internet devices Mobile Internet Device, MID
- wearable devices For terminal-side devices such as (Wearable Device), it should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present invention.
- the above-mentioned network side device 12 may be a 5G base station, or a later version base station, or a base station in other communication systems, or called a node, an evolved node, or a transmission reception point (TRP), or an access point ( Access Point, AP), or other vocabulary in the field, as long as the same technical effect is achieved, the network side device is not limited to a specific technical vocabulary.
- the aforementioned network side device 12 may be a master node (Master Node, MN) or a secondary node (Secondary Node, SN). It should be noted that, in the embodiment of the present invention, only a 5G base station is taken as an example, but the specific type of the network side device is not limited.
- FIG. 2 is a flowchart of an SRS transmission setting method according to an embodiment of the present invention. The method is applied to the network system shown in FIG. 1, as shown in FIG. 2, and includes the following steps:
- Step 201 The network side device configures the cell information of the serving cell and neighboring cells for the terminal.
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal.
- the content of cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal.
- the aforementioned spatial relationship information may include at least one of the following:
- Cell SSB ID Synchronization Signal and PBCH block IDentifier, synchronization signal block ID
- Cell CSI-RS ID Channel State Information Reference Signal IDentifier, Channel State Information Reference Signal ID
- DL-PRS resource set ID Downlink-Positioning Reference Signal resource set ID, downlink positioning reference signal resource set ID
- DL-PRS resource ID downlink positioning reference signal resource identifier
- SSB corresponds to the spatial direction information of the beam
- DL-PRS corresponds to the spatial direction information of the beam
- the spatial direction information of the beam corresponding to each reference signal includes at least one of the following:
- Offset information of other beams relative to the reference beam or QCL beam is offset.
- the aforementioned spatial relationship information may also include QCL (Quasi Co-Location) information.
- the above-mentioned QCL information is the QCL information for setting the reference signals of the serving cell and neighboring cells as the configured SRS, and the above-mentioned QCL information may include cell identity, cell SSB ID, cell CSI-RS ID, and DL-PRS block ID information At least one of.
- the above-mentioned QCL information may include the QCL reference signal and the ID of the QCL reference signal
- the QCL reference signal may include at least one of SSB, CSI-RS, and DL-PRS
- the ID of the QCL reference signal may include SSB index, DL PRS index, and CSI -At least one of the RS index
- the SSB index may include the SSB ID
- the DL PRS index may include at least the DL PRS resource set ID and the DL PRS resource ID
- the CSI-RS index may include at least the CSI-RS ID.
- the foregoing power configuration information may include path loss reference signal indication information and transmit power configuration information.
- the path loss reference signal indication information may include at least one of the following:
- the transmit power configuration information may include at least one of the following:
- CSI-RS transmit power of the serving cell
- the configuration information of the foregoing specific signal may include at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the foregoing configuration information may include at least one of time-frequency resource configuration information, bandwidth, a common reference point (point A) of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- Step 202 The terminal receives cell information of the serving cell and neighboring cells.
- Step 203 The terminal sets the transmission parameters of the SRS according to the cell information and/or the first measurement result.
- the “cell information” or “the above cell information” involved in the embodiment of the present invention refers to the cell information of the serving cell and neighboring cells.
- the above-mentioned first measurement result is a result obtained by the terminal measuring the serving cell and the neighboring cell based on the cell information of the serving cell and the neighboring cell.
- the first measurement result may include the result of the terminal measuring the serving cell and neighboring cells based on the spatial relationship signal in the above-mentioned cell information, and may also include the terminal's measurement of the serving cell based on the power configuration information in the above-mentioned cell information. The result obtained by measuring with neighboring cells.
- the terminal by configuring the cell information of the serving cell and neighboring cells for the terminal, the terminal can transmit parameters of the SRS according to the cell information of the serving cell and neighboring cells, and/or the measurement results of the serving cell and neighboring cells. Make settings. Since the setting of the SRS transmission parameters by the terminal comprehensively considers the cell information of the serving cell and neighboring cells, the directivity, location and coverage of the SRS transmission can be improved.
- step 201 may include:
- the serving cell configures the cell information of neighboring cells for the terminal through an RRC (Radio Resource Control) message; or,
- the server configures the cell information for the terminal through LPP (LTE Positioning Protocol) signaling or LPP evolution signaling or data channel.
- LPP Long Positioning Protocol
- the network side device configures the above-mentioned cell information for the terminal, which can be implemented either through the serving cell or through the server.
- the serving cell configures cell information of neighboring cells for the terminal through an RRC message.
- the terminal may have obtained the cell information of the serving cell itself. Therefore, when the serving cell configures the above-mentioned cell information for the terminal, only the cell information of the neighboring cells may be configured. Of course, the serving cell can also configure the cell information of the serving cell itself and the cell information of neighboring cells for the terminal at the same time.
- the serving cell configures the cell information of the neighboring cells for the terminal
- the configuration manners of different cell information content will be respectively described below.
- the spatial relationship information of the neighboring cells is configured through a cell identifier or TRP (Transmission Reception Point) identifier in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the non-serving cell identity in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the DL-PRS information in the spatial relationship configuration information of the SRS.
- the serving cell identity in the spatial relationship configuration information of the SRS can be changed to a cell identity or a TRP identity, and the spatial relationship configuration information corresponding to the cell identity or the TRP identity can be configured.
- the changed cell identity or TRP identity can be used to identify the serving cell as well as the neighboring cells.
- the non-serving cell's indicator and the non-serving cell's spatial relationship configuration information can also be directly configured in the SRS spatial relationship configuration information.
- the non-serving cell's indicator can be used to identify the neighboring cell, the non-serving cell
- the spatial relationship configuration information of can be used to configure the spatial relationship information of neighboring cells.
- directly configuring the indication identifier of the non-serving cell and the spatial relationship configuration information of the non-serving cell can be understood as retaining the original serving cell identifier and the spatial relationship configuration information of the original serving cell in the spatial relationship configuration information of the SRS. Add the indication identifier of the non-serving cell and the spatial relationship configuration information of the non-serving cell.
- directly adding the indication identifier of the non-serving cell and the spatial relationship configuration information of the non-serving cell to the spatial relationship configuration information of the SRS has the advantage of being easy to implement compared to changing the original serving cell identifier.
- DL-PRS information of neighboring cells may also be configured in the spatial relationship configuration information of the SRS, and the DL-PRS information may include at least one of DL-PRS resource set ID and DL-PRS resource ID.
- the power configuration information of the neighboring cell includes the path loss reference signal configuration of the SRS; or,
- the path loss reference signal of the neighboring cell is configured in each resource unit (per resource) or each resource unit set of the SRS; or,
- the power configuration information of the neighboring cells is configured in a non-serving cell group or a neighboring cell group in each measurement object (measureObject); or,
- the power configuration information of the neighboring cell includes the configuration of the reference signal information and the transmission power information configuration of the reference signal in each measurement target.
- the DL-PRS information of the neighboring cell can be configured in the path loss reference signal of the SRS, so as to configure the power configuration information of the neighboring cell for the terminal.
- the DL-PRS information may include at least one of DL-PRS resource set ID and DL-PRS resource ID.
- other neighboring cells can also be introduced into the CG of the measureObject (that is, the primary cell and the primary and secondary cell group), so as to configure the power configuration information of the neighboring cells for the terminal.
- the reference signal information and the transmission power information of the reference signal can also be introduced into the measureObject, so as to realize the configuration of the power configuration information of the neighboring cells for the terminal.
- the reference signal may include SSB and DL-PRS
- the reference signal information may include the cell ID to which the reference signal belongs and the TRP ID of the reference signal
- the transmit power information of the reference signal may include the transmit power of the serving cell SSB and the relative transmit power of the neighboring cell SSB. At least one of the offset of the SSB power of the serving cell, the DL-PRS transmit power of the serving cell, and the offset of the DL-PRS transmit power of the neighboring cell relative to the SSB power of the serving cell.
- the DL-PRS transmit power of the serving cell and/or the offset configuration of the neighboring cell relative to the SSB power of the serving cell and the DL-PRS signal configuration can be introduced into the measureObject.
- add DL-PRS measurement configuration IE which includes at least DL-PRS set, DL-PRS resource set and corresponding DL-PRS signal configuration information and transmit power.
- the configuration information of the specific signal of the neighboring cell is configured in a non-serving cell group or a neighboring cell group in each measurement target.
- the specific signal may include SSB, CSI-RS, and DL-PRS.
- the configuration information of the specific signal may include SSB configuration information, CSI-RS configuration information, and DL-PRS configuration information, and the configuration information may include time-frequency resource configuration. , At least one of bandwidth, point A, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- the time-frequency resource information of the SSB can be obtained through MIB (Master Information Block, master information block), or optional signal configuration information of the neighboring cell SSB is added to the SSB-ConfigMobility (SSB mobility configuration).
- MIB Master Information Block, master information block
- optional signal configuration information of the neighboring cell SSB is added to the SSB-ConfigMobility (SSB mobility configuration).
- the serving cell configures the cell information of the neighboring cells for the terminal according to the embodiments of the present invention.
- the following describes in detail the manner in which the server configures the cell information of the serving cell and neighboring cells for the terminal.
- the server configures the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or a data channel, including:
- the server configures the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or a data channel.
- the location information of the terminal may be historical location information or location information obtained by other positioning means.
- the above-mentioned TRP information stored in the server may include at least one of TRP identification information, spatial relationship information, power configuration information, and configuration information of specific signals
- the above-mentioned cell information stored in the server may include cell identification information , At least one of spatial relationship information, power configuration information, and specific signal configuration information.
- the aforementioned spatial relationship information may include the QCL reference signal and the ID of the QCL reference signal of the configured serving cell and neighboring cells.
- the power configuration information may include the transmit power information of the reference signal of the configured serving cell and neighboring cells, the reference signal including one or any combination of SSB and DL-PRS; the power configuration information may also include the configured serving cell and the neighboring cell's transmit power information. Reference signal information for path loss calculation.
- the configuration information of a specific signal may include time-frequency resource information of reference signals of the configured serving cell and neighboring cells, and the reference signal includes one or any combination of SSB, CSI-RS, and DL-PRS.
- the TRP information and/or cell information stored by the server may be collected from the TRP or the cell by LPPA signaling and NRPPA signaling or evolution. Further, it supports the transmission of LPPA signaling and NRPPA signaling and the collection of SSB information and CSI-RS information of the cell.
- the SSB information and CSI-RS information may include ID information and configuration information, and the configuration information may include time-frequency resource configuration, bandwidth, point A, at least one of measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- the server configures the above cell information according to the location information of the terminal and the TRP information and/or cell information stored in the server, so that the server can configure reasonable spatial relationship information for the terminal before receiving the measurement.
- the cell information of the serving cell and neighboring cells is configured by UTDOA (Observed Time Difference of Arrival) positioning assistance data IE (Information Element, information element in the signaling message), or
- the cell information of the serving cell and neighboring cells is configured through the uplink time of arrival positioning method positioning assistance data IE.
- a UTDOA positioning assistance data IE can be added to the LPP signaling protocol, and the UTDOA positioning assistance data IE includes the cell information.
- an uplink time-of-arrival positioning method positioning assistance data IE may be added to the LPP signaling protocol, and the uplink time-of-arrival positioning method positioning assistance data IE includes the cell information.
- configuring the cell information of the serving cell and neighboring cells through the above method enables the terminal to obtain not only resource configuration information, but also estimated spatial relationship information and power configuration information during SRS transmission.
- the embodiment of the present invention provides a variety of cell information configuration schemes.
- the network side device can flexibly select a suitable configuration scheme according to different application sites and different real-time requirements, thereby improving communication At the same time of performance, it can also improve communication flexibility.
- the terminal after receiving the above cell information configured by the network side device, the terminal can set the transmission parameters of the SRS according to the above cell information and/or the first measurement result.
- the transmission parameters of the SRS can include the transmission direction and Transmit power.
- the terminal can set the transmission direction of the SRS, and can also set the transmission power of the SRS.
- the terminal setting SRS transmission parameters according to the above cell information and/or the first measurement result includes:
- the terminal sets the transmission direction of the SRS according to the spatial relationship information in the cell information and/or the first measurement result; or,
- the terminal sets the transmission power of the SRS according to the power configuration information in the cell information and the configuration information of the specific signal and/or the first measurement result; or,
- the terminal sets the transmission power of the SRS according to the spatial relationship information, power configuration information, and specific signal configuration information in the cell information, and the first measurement result; or,
- the terminal According to the spatial relationship information and/or power configuration information in the cell information and the configuration information of a specific signal and/or the first measurement result, the terminal performs measurement on the transmission direction of the SRS and the transmission power corresponding to each transmission direction. Set up.
- the above-mentioned first measurement result may be a result obtained by the terminal measuring the serving cell and neighboring cells based on the spatial relationship information in the cell information.
- the above-mentioned first measurement result may be the result obtained by the terminal measuring the serving cell and neighboring cells based on the spatial relationship information and/or power configuration information in the cell information.
- the above-mentioned The first measurement result may be a result obtained by the terminal measuring the serving cell and neighboring cells based on the spatial relationship information and/or path loss reference information and/or the transmission power in the cell information.
- the foregoing first measurement result may be a result obtained by the terminal measuring the serving cell and neighboring cells based on the spatial relationship information and/or power configuration information and/or the configuration information of the specific signal in the cell information.
- the terminal setting the transmission direction of the SRS according to the spatial relationship information in the cell information and/or the first measurement result includes:
- the terminal sets the relevant direction of the spatial relationship signal between the serving cell and neighboring cells as the transmission direction of the SRS; or,
- the terminal sets the spatial filtering direction that is the same as the related direction of the spatial relationship signal as the transmission direction of the SRS.
- the terminal setting the relevant direction of the spatial relationship signal between the serving cell and the neighboring cell as the transmission direction of the SRS includes:
- a specific beam direction is selected as the transmission direction of the SRS.
- the relative direction of the spatial relationship signal received by the terminal is: the relative direction of the spatial relationship signal of the serving cell and neighboring cells received by the terminal.
- This implementation manner can enable the terminal to predictively enable sufficient network-side equipment to receive the SRS signal, thereby enhancing the positioning performance of the SRS.
- selecting a specific beam direction as the transmission direction of the SRS includes:
- the terminal selects a specific direction from the related directions of the spatial relationship signal received by the terminal as the transmission direction of the SRS; or,
- the terminal selects a specific direction from the relevant directions of the spatial relationship signal received by the terminal as the transmission direction of the SRS; or,
- the terminal selects a specific direction as the transmission direction of the SRS from the related directions of the spatial relationship signal received by the terminal.
- the terminal combines the first measurement result and the terminal's capabilities to select a specific direction from the relevant directions of the spatial relationship signal received by the terminal as the transmission direction of the SRS, which can make the setting of the transmission direction of the SRS more reasonable.
- the correlation direction of the spatial relationship signal includes:
- the receiving beam direction with the strongest received power of the spatial relationship signal is the receiving beam direction with the strongest received power of the spatial relationship signal.
- the direction of the first path of the spatial relationship signal is measured; or,
- the arrangement direction of the spatial relationship signal is the arrangement direction of the spatial relationship signal.
- the terminal can set the relevant direction of the QCL signal of the serving cell and neighboring cells to the direction and direction of the SRS set (SRS resource set) according to the QCL configuration of the serving cell and neighboring cells, and the SRS resource configuration information provided by the network side device.
- SRS resource (SRS resource) direction SRS resource (SRS resource) direction.
- the relative direction of the QCL signal of the serving cell and the neighboring cell is the receiving beam direction with the strongest received QCL signal power, or the direction of the first path of the measured QCL signal, or the configuration and/or spatial filtering direction of the QCL signal.
- the terminal may select the relevant direction of all QCL signals to transmit SRS according to the SRS resource configuration information, or may select a denser or sparser beam direction to transmit according to the first measurement result.
- the relative direction of the QCL signal of the serving cell and the neighboring cell is the receiving beam direction with the strongest received QCL signal power or the direction of the first path of the measured QCL signal or the configuration and/or spatial filtering direction of the QCL signal.
- the terminal can select the relevant direction of all QCL signals for transmission according to the resource configuration or select a denser or sparser beam direction for transmission according to previous measurements.
- repeated directions may be transmitted; or a part of the RRC configured QCL directions may be selected for transmission.
- the configured resources such as set and resource
- the direction with higher priority of the QCL configured by the server or better terminal measurement result is selected for transmission.
- the terminal sets SRS transmission parameters according to the cell information and/or the first measurement result, including:
- the terminal sets the transmission power of the SRS according to the power configuration information and the configuration information of the specific signal in the cell information, and the first measurement result; or,
- the terminal sets the transmission power of the SRS according to the spatial relationship information, power configuration information, and specific signal configuration information in the cell information, and the first measurement result.
- the terminal can calculate the RSRP (Reference Signal Received Power) and RSRQ (Reference Signal Received Quality) of the received signal according to the transmit power configuration of the serving cell and neighboring cells, combined with the QCL signal measured by the signal configuration of the QCL signal. , Reference signal reception quality) or SINR (Signal to Interference plus Noise Ratio, signal to interference plus noise ratio) to calculate the path loss from the network side device to the terminal.
- the SRS beam transmit power formula calculate and set the direction respectively The transmit power of the serving cell and neighboring cells.
- the terminal can measure the RSRP, RSRQ or SINR of the path loss reference signal according to the transmit power and path loss reference signal in the power configuration of the cell, so as to calculate the path loss from the network side device to the terminal to configure the terminal's transmit power .
- the terminal According to the spatial relationship information and/or power configuration information and specific signal configuration information and/or the first measurement result in the cell information, the terminal performs a measurement on the transmission direction of the SRS and the corresponding transmission power in the transmission direction. Set up.
- the terminal measures the received signal of the path loss reference according to the transmit power in the power configuration of the cell and the spatial relationship information and path loss reference signal in the cell information.
- RSRP, RSRQ, or SINR to calculate the path loss from the network side to the terminal, and combine the spatial relationship to configure the UE's transmit power to the corresponding spatial relationship.
- the embodiments of the present invention provide a variety of SRS transmission parameter setting schemes.
- the terminal can flexibly select a suitable setting scheme according to different resources and different configurations, thereby, while improving communication performance, It can also improve communication flexibility.
- the terminal in the process of setting the transmission parameters of SRS by the terminal, if part or all of the information configured by the server conflicts with part or all of the information configured by the serving cell through the RRC message, the terminal will be affected by the transmission parameters of the SRS.
- the setting can adopt the following two optional methods.
- Method 1 If the conflicting information is the information of the serving cell or the information of the primary and secondary cells, the terminal can set the SRS transmission parameters with the information configured in the serving cell as a high priority, or select one of the above configurations according to the measurement situation. Or select other configurations according to the measurement, and report the updated QCL indication information and measurement results.
- Method 2 If the conflicting information is the spatial relationship information of neighboring cells, the terminal can select one of the above configurations according to the measurement situation or other configurations according to the measurement, and report the updated QCL indication information and measurement results. If the conflicting information is neighboring With the power configuration information of the cell and the configuration information of the specific signal, the terminal can set the SRS transmission parameters with the configuration of the server as a high priority.
- the above two methods provide a conflict resolution solution for the terminal, so that the terminal can reasonably select the SRS transmission solution under the conflict configuration.
- the terminal may transmit the SRS according to the set transmission parameters.
- the method further includes:
- the terminal reports relevant information of the target cell to the network side device
- the target cell is a cell used for sending the SRS
- the related information includes at least one of spatial relationship information and measurement results of spatial relationship signals.
- the terminal may report the spatial relationship ID of each neighboring cell used for transmission to the server, and the server may send the information to the neighboring cell.
- the spatial relationship ID of each neighboring cell includes the spatial relationship signal and the spatial relationship signal ID and the information to which they belong. Neighboring cell indication.
- the network side device can determine the transmission direction of the terminal to transmit the SRS, so that the network side device can follow up according to the transmission direction selected by the terminal. Measurement, thereby reducing the search complexity and search delay of the network side equipment.
- the network-side device before the network-side device configures the cell information of the serving cell and neighboring cells for the terminal, the network-side device needs to obtain the above-mentioned cell information.
- the network-side device may obtain the above-mentioned cell information by the network-side device corresponding to the serving cell, or the network-side device corresponding to the server may obtain the above-mentioned cell information.
- the acquisition of the cell information by the network-side device includes:
- the serving cell obtains the cell information of the neighboring cell through the X2 or Xn interface; or,
- the serving cell obtains the cell information of the neighboring cell from the server through LPPA signaling (LTE Positioning Protocol A, LET positioning protocol A), NRPPA (NR Positioning Protocol A, NR positioning protocol A) signaling or data channels; or,
- the server obtains the cell information of the serving cell and neighboring cells through LPPA signaling, NRPPA signaling or a data channel.
- the serving cell since the serving cell knows its own cell information such as spatial relationship information, power configuration information, or configuration information of a specific signal, the serving cell only needs to obtain cell information of neighboring cells.
- the serving cell obtains the cell information of the neighboring cell from the location server through LPPA signaling, NRPPA signaling or a data channel.
- FIG. 3 shows a schematic diagram of the serving cell obtaining the cell information of the neighboring cell through the X2 or Xn interface, and configuring the cell information of the neighboring cell for the terminal through the RRC message.
- FIG. 4 shows a schematic diagram of a serving cell obtaining cell information of neighboring cells from a location server through LPPA signaling or an evolution interface, and configuring the cell information of neighboring cells for the terminal through an RRC message.
- FIG. 5 shows a schematic diagram of a server obtaining cell information of the serving cell and neighboring cells through NRPPA signaling, and configuring the cell information for the terminal through LPP signaling.
- the embodiments of the present invention provide multiple solutions for obtaining cell information.
- the network side device can flexibly select a suitable solution to obtain cell information according to different application scenarios and different delay requirements, so that: While improving communication performance, it can also improve communication flexibility.
- the network-side device may also update the above-mentioned cell information for the terminal.
- the network side device may update the above cell information by the network side device corresponding to the serving cell, or the network side device corresponding to the server may update the above cell information.
- the network-side device updates the cell information for the terminal includes:
- the serving cell In the case that the serving cell receives the neighboring cell measurement information reported by the terminal, the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message; or,
- the server In the case that the server receives the neighboring cell measurement information and/or the serving cell measurement information reported by the terminal, the server updates the serving cell and the service cell for the terminal through LPP signaling or LPP evolution signaling or data channel. Cell information of neighboring cells.
- FIG. 6 shows a schematic diagram of the terminal reporting the optimal beam and power measurement information of the neighboring cell to the serving cell through the RRC message, and the serving cell updates the cell information of the neighboring cell for the terminal through the RRC message.
- FIG. 7 shows a schematic diagram of the terminal reporting the QCL and measurement results of the serving cell and neighboring cells, and the server updating the above-mentioned cell information for the terminal through LPP signaling.
- the network-side device when the terminal reports measurement information to the network-side device (serving cell or server), the network-side device can update the above-mentioned cell information for the terminal according to the measurement information reported by the terminal. In this way, the configuration and measurement can be updated according to the location of the terminal.
- the following further describes various ways for the network side device to update the above-mentioned cell information for the terminal.
- the server updates the cell information of the serving cell and neighboring cells for the terminal, including:
- the server updates the cell information of the serving cell and neighboring cells for the terminal according to the reported information of the terminal and the related information stored in the server.
- the serving cell uses an RRC message to update the cell information of the neighboring cell for the terminal, including:
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message according to the related information stored in the serving cell; or,
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message according to the neighboring cell measurement information; or,
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message according to the neighboring cell measurement information and related information stored in the serving cell.
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message, including:
- the serving cell uses the cell information corresponding to the cell index and/or the cell information corresponding to the beam index reported by the terminal as cell information for transmitting the SRS to neighboring cells;
- the cell information corresponding to the beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the signal beam ID with the best signal quality can be the ID with the largest RSPR and/or the largest RSRQ.
- the best signal quality can be selected.
- the signal that is closest to the frequency domain or time domain configuration resource can also be selected.
- the SSB signal or the same signal as the active BWP of the terminal is preferred.
- the serving cell may use the signal beam ID with the best signal quality reported by the terminal as the spatial relationship signal for transmitting the SRS to neighboring cells; or, the serving cell may use the first path signal beam ID reported by the terminal as The spatial relationship signal of the SRS is transmitted to neighboring cells.
- the serving cell may use the signal beam ID with the best signal quality reported by the terminal as the path loss reference signal ID of the neighboring cell; or, the serving cell may use the first path signal beam ID reported by the terminal as the neighboring cell's Path loss reference signal ID.
- the serving cell may use the first path signal beam ID reported by the terminal as the specific signal configuration information of the neighboring cell; or the serving cell may use the first path signal beam ID reported by the terminal as the specific signal configuration information of the neighboring cell .
- the server updates the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or a data channel, including:
- the server uses the cell information corresponding to the cell index and/or the cell information corresponding to the signal beam index reported by the terminal as cell information for transmitting the SRS to the serving cell and neighboring cells;
- the signal beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the signal beam ID with the best signal quality can be the ID with the largest RSPR and/or the largest RSRQ.
- the best signal quality can be selected.
- the signal that is closest to the frequency domain or time domain configuration resource can also be selected.
- the SSB signal or the same signal as the active BWP of the terminal is preferred.
- the server may use the signal beam ID with the best signal quality reported by the terminal as the spatial relationship signal for transmitting the SRS to the serving cell and neighboring cells; or, the server may use the first path signal beam ID reported by the terminal As a spatial relationship signal for transmitting the SRS to neighboring cells.
- the signal beam ID with the best signal quality in the cell reported by the terminal is used as the QCL signal for transmitting SRS to the serving cell and neighboring cells, or the first path signal beam ID reported by the terminal is used as the signal beam ID for transmitting to the serving cell and neighboring cells.
- QCL signal of SRS is used as the QCL signal for transmitting SRS to the serving cell and neighboring cells.
- the server may use the signal beam ID with the best signal quality reported by the terminal as the path loss reference signal ID of the serving cell and neighboring cells; or, the server may use the first path signal beam ID reported by the terminal as the serving cell And the path loss reference signal ID of the neighboring cell.
- the server may use the first path signal beam ID reported by the terminal as the specific signal configuration information of the serving cell and neighboring cells; or, the server may use the first path signal beam ID reported by the terminal as the difference between the serving cell and neighboring cells. Specific signal configuration information.
- the neighboring cell measurement information includes the reference signal index of the neighboring cell and the reference signal measurement result.
- the serving cell measurement information includes a reference signal index of the serving cell and a reference signal measurement result.
- the reference signal index includes at least one of an SSB index, a CSI-RS index, a DL-PRS index, a signal beam index, and a signal beam index corresponding to the measurement first path.
- the reference signal measurement result includes the RSRP, RSRQ, and SINR of the measurement signal.
- the embodiments of the present invention provide multiple solutions for updating cell information.
- the network side device can flexibly select a suitable solution to update the cell information according to different application scenarios and different delay requirements. , While improving communication performance, it can also improve communication flexibility.
- the network-side device may also notify the serving cell and/or neighboring cells of the updated cell information.
- the network-side device may notify the neighboring cell of updated cell information by the network-side device corresponding to the serving cell, or the network-side device corresponding to the server may obtain the above-mentioned cell information from the serving cell and/or neighboring cells. .
- the method further includes at least one of the following:
- the serving cell notifies neighboring cells of updated cell information through the X2 or Xn interface;
- the server notifies the serving cell and/or neighboring cells of updated cell information through LPPA signaling or NRPPA evolution signaling or data channel.
- the network-side device can notify the serving cell and/or neighboring cells of the updated cell information, so that the serving cell and/or neighboring cells can predict beam arrivals. To reduce the measurement search time.
- the terminal by configuring the cell information of the serving cell and neighboring cells for the terminal, the terminal can be based on the cell information of the serving cell and neighboring cells, and/or the measurement results of the serving cell and neighboring cells , To set the transmission parameters of SRS. Since the setting of the SRS transmission parameters by the terminal comprehensively considers the cell information of the serving cell and neighboring cells, the directivity, location and coverage of the SRS transmission can be improved.
- FIG. 8 is a flowchart of an SRS transmission setting method according to an embodiment of the present invention. The method is applied to a terminal. As shown in FIG. 8, it includes the following steps:
- Step 801 Receive cell information of a serving cell and neighboring cells, where the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal;
- Step 802 According to the cell information and/or the first measurement result, set the transmission parameters of the channel sounding reference signal SRS; wherein, the first measurement result is that the terminal performs information on the serving cell based on the cell information. The result obtained by measuring with neighboring cells.
- the method further includes:
- the target cell is a cell used for sending the SRS
- the related information includes at least one of spatial relationship information and measurement results of spatial relationship signals.
- the setting of SRS transmission parameters according to the cell information and/or the first measurement result includes:
- the relevant direction of the spatial relationship signal between the serving cell and the neighboring cell is set as the transmission direction of the SRS;
- the spatial filtering direction that is the same as the correlation direction of the spatial relationship signal is set as the transmission direction of the SRS.
- the setting the relevant direction of the spatial relationship signal between the serving cell and the neighboring cell as the transmission direction of the SRS includes:
- a specific beam direction is selected as the transmission direction of the SRS.
- selecting a specific beam direction as the transmission direction of the SRS includes:
- a specific direction is selected as the transmission direction of the SRS;
- a specific direction is selected as the transmission direction of the SRS;
- a specific direction is selected as the transmission direction of the SRS.
- the correlation direction of the spatial relationship signal includes:
- the receiving beam direction with the strongest received power of the spatial relationship signal is the receiving beam direction with the strongest received power of the spatial relationship signal.
- the direction of the first path of the spatial relationship signal is measured; or,
- the arrangement direction of the spatial relationship signal is the arrangement direction of the spatial relationship signal.
- the setting of SRS transmission parameters according to the cell information and/or the first measurement result includes:
- the transmission power of the SRS is set according to the spatial relationship information, power configuration information, and specific signal configuration information in the cell information, and the first measurement result.
- the spatial relationship information in the cell information includes at least one of the following:
- Downlink positioning reference signal resource identifier DL-PRS resource ID Downlink positioning reference signal resource identifier DL-PRS resource ID
- the spatial relationship information in the cell information includes quasi co-located QCL information.
- the power configuration information in the cell information includes path loss reference signal indication information and transmit power configuration information
- the path loss reference signal indication information includes at least one of the following:
- the transmit power configuration information includes at least one of the following:
- CSI-RS transmit power of the serving cell
- the specific signal includes at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the configuration information includes at least one of time-frequency resource configuration information, bandwidth, common reference point A of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- this embodiment is used as an implementation manner of the terminal corresponding to the embodiment shown in FIG. 2.
- specific implementation manners refer to the related description of the embodiment shown in FIG. 2 and achieve the same beneficial effects. In order to avoid repetition Description, not repeat them here.
- Figure 9 is a flow chart of an information configuration method provided by an embodiment of the present invention. The method is applied to a network side device. As shown in Figure 9, it includes the following steps:
- Step 901 The network side device configures cell information of the serving cell and neighboring cells for the terminal, the cell information is used to determine the transmission parameters of the channel sounding reference signal SRS; wherein, the cell information includes spatial relationship information, power configuration information, and At least one item of configuration information for a specific signal.
- the network side device configuring the cell information of the serving cell and neighboring cells for the terminal includes:
- the serving cell configures the cell information of neighboring cells for the terminal through an RRC message.
- the network side device configuring the cell information of the serving cell and neighboring cells for the terminal includes:
- the server configures the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or data channel.
- the spatial relationship information of the neighboring cells is configured through the cell identifier or TRP identifier in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the non-serving cell identity in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the DL-PRS information in the spatial relationship configuration information of the SRS.
- the power configuration information of the neighboring cell includes the path loss reference signal configuration of the SRS; or,
- the path loss reference signal of the neighboring cell is configured in each resource unit or each resource unit set of the SRS; or,
- the power configuration information of the neighboring cells is configured in the non-serving cell group or the neighboring cell group in each measurement target; or,
- the power configuration information of the neighboring cells includes configuration of reference signal information and/or reference signal transmission power information configuration in each measurement target.
- the server configures the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or a data channel, including:
- the server configures the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or a data channel.
- the cell information of the serving cell and neighboring cells is configured by the UTDOA positioning assistance data IE of the uplink time difference of arrival positioning method; or,
- the cell information of the serving cell and neighboring cells is configured by the positioning assistance data IE of the uplink arrival time positioning method.
- the method further includes:
- the serving cell obtains the cell information of the neighboring cell through the X2 or Xn interface; or,
- the serving cell obtains the cell information of the neighboring cell from the server through LPPA signaling, NRPPA signaling or data channel; or,
- the server obtains the cell information of the serving cell and neighboring cells through LPPA signaling, NRPPA signaling or a data channel.
- the method further includes:
- the serving cell In the case that the serving cell receives the neighboring cell measurement information reported by the terminal, the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message; or,
- the server In the case that the server receives the neighboring cell measurement information and/or the serving cell measurement information reported by the terminal, the server updates the serving cell and the service cell for the terminal through LPP signaling or LPP evolution signaling or data channel. Cell information of neighboring cells.
- the server updates the cell information of the serving cell and neighboring cells for the terminal, including:
- the server updates the cell information of the serving cell and neighboring cells for the terminal according to the reported information of the terminal and the related information stored in the server.
- the serving cell uses an RRC message to update the cell information of the neighboring cell for the terminal, including:
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message according to the related information stored in the serving cell; or,
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message according to the neighboring cell measurement information; or,
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message according to the neighboring cell measurement information and related information stored in the serving cell.
- the serving cell updates the cell information of the neighboring cell for the terminal through an RRC message, including:
- the serving cell uses the cell information corresponding to the cell index and/or the cell information corresponding to the beam index reported by the terminal as cell information for transmitting the SRS to neighboring cells;
- the cell information corresponding to the beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the server updates the cell information of the serving cell and neighboring cells for the terminal through LPP signaling or LPP evolution signaling or a data channel, including:
- the server uses the cell information corresponding to the cell index and/or the cell information corresponding to the signal beam index reported by the terminal as cell information for transmitting the SRS to the serving cell and neighboring cells;
- the signal beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the neighboring cell measurement information includes the reference signal index of the neighboring cell and the reference signal measurement result.
- the reference signal index includes at least one of an SSB index, a CSI-RS index, a DL-PRS index, a signal beam index, and a signal beam index corresponding to the measurement first path.
- the reference signal measurement result includes the reference signal received power RSRP of the measured signal, the reference signal received quality RSRQ, and the signal to interference plus noise ratio SINR.
- the method further includes at least one of the following:
- the serving cell notifies neighboring cells of updated cell information through the X2 or Xn interface;
- the server notifies the serving cell and/or neighboring cells of updated cell information through LPPA signaling or NRPPA evolution signaling or a data channel.
- the spatial relationship information in the cell information includes at least one of the following:
- Downlink positioning reference signal resource identifier DL-PRS resource ID Downlink positioning reference signal resource identifier DL-PRS resource ID
- the spatial relationship information in the cell information includes quasi co-located QCL information.
- the power configuration information in the cell information includes path loss reference signal indication information and transmit power configuration information
- the path loss reference signal indication information includes at least one of the following:
- the transmit power configuration information includes at least one of the following:
- CSI-RS transmit power of the serving cell
- the specific signal includes at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the configuration information includes at least one of time-frequency resource configuration information, bandwidth, common reference point A of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- this embodiment is used as an implementation manner of the network side device corresponding to the embodiment shown in FIG. 2.
- the network side device corresponding to the embodiment shown in FIG. 2.
- FIG. 10 is a structural diagram of a terminal provided by an embodiment of the present invention. As shown in FIG. 10, the terminal 1000 includes:
- the receiving module 1001 is configured to receive cell information of a serving cell and neighboring cells, where the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal;
- the setting module 1002 is configured to set transmission parameters of the reference signal SRS for channel sounding according to the cell information and/or the first measurement result;
- the first measurement result is a result obtained by measuring the serving cell and neighboring cells by the terminal based on the cell information.
- the terminal 1000 further includes:
- a reporting module used to report relevant information of the target cell to the network side device
- the target cell is a cell used for sending the SRS
- the related information includes at least one of spatial relationship information and measurement results of spatial relationship signals.
- the setting module 1002 is specifically used for:
- the relevant direction of the spatial relationship signal between the serving cell and the neighboring cell is set as the transmission direction of the SRS;
- the spatial filtering direction that is the same as the correlation direction of the spatial relationship signal is set as the transmission direction of the SRS.
- the setting module 1002 is specifically used for:
- a specific beam direction is selected as the transmission direction of the SRS.
- the setting module 1002 is specifically used for:
- a specific direction is selected as the transmission direction of the SRS;
- a specific direction is selected as the transmission direction of the SRS;
- a specific direction is selected as the transmission direction of the SRS.
- the correlation direction of the spatial relationship signal includes:
- the receiving beam direction with the strongest received power of the spatial relationship signal is the receiving beam direction with the strongest received power of the spatial relationship signal.
- the direction of the first path of the spatial relationship signal is measured; or,
- the arrangement direction of the spatial relationship signal is the arrangement direction of the spatial relationship signal.
- the setting module 1002 is specifically used for:
- the transmission power of the SRS is set according to the spatial relationship information, power configuration information, and specific signal configuration information in the cell information, and the first measurement result.
- the spatial relationship information in the cell information includes at least one of the following:
- Downlink positioning reference signal resource identifier DL-PRS resource ID Downlink positioning reference signal resource identifier DL-PRS resource ID
- the spatial relationship information in the cell information includes quasi co-located QCL information.
- the power configuration information in the cell information includes path loss reference signal indication information and transmit power configuration information
- the path loss reference signal indication information includes at least one of the following:
- the transmit power configuration information includes at least one of the following:
- CSI-RS transmit power of the serving cell
- the specific signal includes at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the configuration information includes at least one of time-frequency resource configuration information, bandwidth, common reference point A of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- the terminal provided by the embodiment of the present invention can implement the various processes implemented by the terminal in the method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- FIG. 11 is a structural diagram of a network side device according to an embodiment of the present invention. As shown in FIG. 11, the network side device 1100 includes:
- the configuration module 1101 is configured to configure cell information of the serving cell and neighboring cells for the terminal, and the cell information is used to determine the transmission parameters of the channel sounding reference signal SRS;
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal.
- the network side device 1100 is a network side device corresponding to the serving cell, and the configuration module 1101 is specifically configured to:
- the cell information of neighboring cells is configured for the terminal through the RRC message.
- the network side device 1100 is a network side device corresponding to the server, and the configuration module 1101 is specifically used for:
- the cell information of the serving cell and neighboring cells is configured for the terminal through LPP signaling or LPP evolution signaling or data channel.
- the spatial relationship information of the neighboring cells is configured through the cell identifier or TRP identifier in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the non-serving cell identity in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the DL-PRS information in the spatial relationship configuration information of the SRS.
- the power configuration information of the neighboring cell is configured through the path loss reference signal of the SRS; or,
- the path loss reference signal of the neighboring cell is configured in each resource unit or each resource unit set of the SRS; or,
- the power configuration information of the neighboring cells is configured in the non-serving cell group or the neighboring cell group in each measurement target; or,
- the power configuration information of the neighboring cell is configured through the reference signal information and the transmission power information of the reference signal in each measurement target.
- the network side device 1100 is a network side device corresponding to the server, and the configuration module 1101 is specifically used for:
- the cell information of the serving cell and neighboring cells is configured for the terminal through LPP signaling or LPP evolution signaling or data channel.
- the cell information of the serving cell and neighboring cells is configured by the time difference of arrival positioning method UTDOA positioning assistance data IE; or,
- the cell information of the serving cell and neighboring cells is configured by the positioning assistance data IE of the uplink arrival time positioning method.
- the network side device 1100 further includes an acquisition module
- the network side device 1100 is a network side device corresponding to the serving cell, and the acquiring module is used for:
- the network side device 1100 is a network side device corresponding to the server, and the acquiring module is used for:
- the network side device 1100 further includes an update module
- the network side device 1100 is a network side device corresponding to the serving cell, and the update module is used for:
- the network side device 1100 is a network side device corresponding to the server, and the update module is used for:
- the network side device 1100 is a network side device corresponding to the server, and the update module is specifically used for:
- the cell information of the serving cell and neighboring cells is updated for the terminal.
- the network side device 1100 is a network side device corresponding to the serving cell, and the update module is specifically used for:
- the neighboring cell measurement information update the cell information of the neighboring cell for the terminal through an RRC message; or,
- the cell information of the neighboring cell is updated for the terminal through an RRC message.
- the network side device 1100 is a network side device corresponding to the serving cell, and the update module is specifically used for:
- the cell information corresponding to the beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the network side device 1100 is a network side device corresponding to the server, and the update module is specifically used for:
- the cell information corresponding to the cell index and/or the cell information corresponding to the signal beam index reported by the terminal as the cell information for transmitting the SRS to the serving cell and neighboring cells;
- the signal beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the neighboring cell measurement information includes the reference signal index of the neighboring cell and the reference signal measurement result.
- the reference signal index includes at least one of an SSB index, a CSI-RS index, a DL-PRS index, a signal beam index, and a signal beam index corresponding to the measurement first path.
- the reference signal measurement result includes the reference signal received power RSRP of the measured signal, the reference signal received quality RSRQ, and the signal to interference plus noise ratio SINR.
- the network side device 1100 further includes a notification module
- the network side device 1100 is a network side device corresponding to the serving cell, and the notification module is used for:
- the network side device 1100 is a network side device corresponding to the server, and the notification module is used for:
- the updated cell information is notified to the serving cell and/or neighboring cells through LPPA signaling or NRPPA evolution signaling or data channel.
- the spatial relationship information in the cell information includes at least one of the following:
- Downlink positioning reference signal resource identifier DL-PRS resource ID Downlink positioning reference signal resource identifier DL-PRS resource ID
- the spatial relationship information in the cell information includes quasi co-located QCL information.
- the power configuration information in the cell information includes path loss reference signal indication information and transmit power configuration information
- the path loss reference signal indication information includes at least one of the following:
- the transmit power configuration information includes at least one of the following:
- CSI-RS transmit power of the serving cell
- the specific signal includes at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the configuration information includes at least one of time-frequency resource configuration information, bandwidth, common reference point A of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- the network-side device provided in the embodiment of the present invention can implement each process implemented by the network-side device in the method embodiment in FIG.
- the terminal 1200 is a schematic diagram of the hardware structure of a terminal for implementing various embodiments of the present invention.
- the terminal 1200 includes but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, User input unit 1207, interface unit 1208, memory 1209, processor 1210, power supply 1211 and other components.
- a radio frequency unit 1201 includes but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, User input unit 1207, interface unit 1208, memory 1209, processor 1210, power supply 1211 and other components.
- the terminal structure shown in FIG. 12 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than those shown in the figure, or combine certain components, or arrange different components.
- the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer,
- the radio frequency unit 1201 or the processor 1210 is used for:
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal
- the first measurement result is a result obtained by measuring the serving cell and neighboring cells by the terminal based on the cell information.
- the radio frequency unit 1201 or the processor 1210 is also used for:
- the target cell is a cell used for sending the SRS
- the related information includes at least one of spatial relationship information and measurement results of spatial relationship signals.
- the radio frequency unit 1201 or the processor 1210 is also used for:
- the relevant direction of the spatial relationship signal between the serving cell and the neighboring cell is set as the transmission direction of the SRS;
- the spatial filtering direction that is the same as the correlation direction of the spatial relationship signal is set as the transmission direction of the SRS.
- the radio frequency unit 1201 or the processor 1210 is also used for:
- a specific beam direction is selected as the transmission direction of the SRS.
- the radio frequency unit 1201 or the processor 1210 is also used for:
- a specific direction is selected as the transmission direction of the SRS;
- a specific direction is selected as the transmission direction of the SRS;
- a specific direction is selected as the transmission direction of the SRS.
- the correlation direction of the spatial relationship signal includes:
- the receiving beam direction with the strongest received power of the spatial relationship signal is the receiving beam direction with the strongest received power of the spatial relationship signal.
- the direction of the first path of the spatial relationship signal is measured; or,
- the arrangement direction of the spatial relationship signal is the arrangement direction of the spatial relationship signal.
- the radio frequency unit 1201 or the processor 1210 is also used for:
- the transmission power of the SRS is set according to the spatial relationship information, power configuration information, and specific signal configuration information in the cell information, and the first measurement result.
- the spatial relationship information in the cell information includes at least one of the following:
- Downlink positioning reference signal resource identifier DL-PRS resource ID Downlink positioning reference signal resource identifier DL-PRS resource ID
- the spatial relationship information in the cell information includes quasi co-located QCL information.
- the power configuration information in the cell information includes path loss reference signal indication information and transmit power configuration information
- the path loss reference signal indication information includes at least one of the following:
- the transmit power configuration information includes at least one of the following:
- CSI-RS transmit power of the serving cell
- the specific signal includes at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the configuration information includes at least one of time-frequency resource configuration information, bandwidth, common reference point A of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- processor 1210 and radio frequency unit 1201 can implement various processes implemented by the terminal in the method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- the radio frequency unit 1201 can be used for receiving and sending signals during the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 1210; Uplink data is sent to the base station.
- the radio frequency unit 1201 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio frequency unit 1201 can also communicate with the network and other devices through a wireless communication system.
- the terminal provides users with wireless broadband Internet access through the network module 1202, such as helping users to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 1203 can convert the audio data received by the radio frequency unit 1201 or the network module 1202 or stored in the memory 1209 into audio signals and output them as sounds. Moreover, the audio output unit 1203 may also provide audio output related to a specific function performed by the terminal 1200 (for example, call signal reception sound, message reception sound, etc.).
- the audio output unit 1203 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 1204 is used to receive audio or video signals.
- the input unit 1204 may include a graphics processing unit (GPU) 12041 and a microphone 12042, and the graphics processor 12041 is configured to respond to images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
- the data is processed.
- the processed image frame can be displayed on the display unit 1206.
- the image frame processed by the graphics processor 12041 may be stored in the memory 1209 (or other storage medium) or sent via the radio frequency unit 1201 or the network module 1202.
- the microphone 12042 can receive sound, and can process such sound into audio data.
- the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 1201 in the case of a telephone call mode for output.
- the terminal 1200 further includes at least one sensor 1205, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 12061 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 12061 and/or when the terminal 1200 is moved to the ear. Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal gestures (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 1205 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
- the display unit 1206 is used to display information input by the user or information provided to the user.
- the display unit 1206 may include a display panel 12061, and the display panel 12061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 1207 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal.
- the user input unit 1207 includes a touch panel 12071 and other input devices 12072.
- the touch panel 12071 also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 12071 or near the touch panel 12071. operating).
- the touch panel 12071 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 1210, the command sent by the processor 1210 is received and executed.
- multiple types of resistive, capacitive, infrared, and surface acoustic wave can be used to implement the touch panel 12071.
- the user input unit 1207 may also include other input devices 12072.
- other input devices 12072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
- the touch panel 12071 can be overlaid on the display panel 12061.
- the touch panel 12071 detects a touch operation on or near it, it transmits it to the processor 1210 to determine the type of the touch event, and then the processor 1210 determines the type of the touch event according to the touch.
- the type of event provides corresponding visual output on the display panel 12061.
- the touch panel 12071 and the display panel 12061 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 12071 and the display panel 12061 may be integrated. Realize the input and output functions of the terminal, the specifics are not limited here.
- the interface unit 1208 is an interface for connecting an external device to the terminal 1200.
- the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
- the interface unit 1208 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 1200 or may be used to communicate between the terminal 1200 and the external device. Transfer data between.
- the memory 1209 can be used to store software programs and various data.
- the memory 1209 may mainly include a program storage area and a data storage area.
- the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones, etc.
- the memory 1209 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
- the processor 1210 is the control center of the terminal. It uses various interfaces and lines to connect the various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 1209, and calling data stored in the memory 1209. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
- the processor 1210 may include one or more processing units; preferably, the processor 1210 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., the modem The processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 1210.
- the terminal 1200 may also include a power supply 1211 (such as a battery) for supplying power to various components.
- a power supply 1211 (such as a battery) for supplying power to various components.
- the power supply 1211 may be logically connected to the processor 1210 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system.
- the terminal 1200 includes some functional modules not shown, which will not be repeated here.
- the embodiment of the present invention also provides a terminal, including a processor 1210, a memory 1209, a computer program stored on the memory 1209 and running on the processor 1210, and the computer program is implemented when the processor 1210 is executed.
- a terminal including a processor 1210, a memory 1209, a computer program stored on the memory 1209 and running on the processor 1210, and the computer program is implemented when the processor 1210 is executed.
- FIG. 13 is a structural diagram of another network-side device provided by an embodiment of the present invention.
- the network-side device 1300 includes a processor 1301, a transceiver 1302, a memory 1303, and a bus interface. among them:
- the transceiver 1302 or the processor 1301 is used for:
- Configure cell information of the serving cell and neighboring cells for the terminal where the cell information is used to determine the transmission parameters of the reference signal SRS for channel sounding;
- the cell information includes at least one of spatial relationship information, power configuration information, and configuration information of a specific signal.
- the network side device 1300 is a network side device corresponding to the serving cell, and the transceiver 1302 or the processor 1301 is used for:
- the cell information of neighboring cells is configured for the terminal through the RRC message.
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is used for:
- the cell information of the serving cell and neighboring cells is configured for the terminal through LPP signaling or LPP evolution signaling or data channel.
- the spatial relationship information of the neighboring cells is configured through the cell identifier or TRP identifier in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the non-serving cell identity in the spatial relationship configuration information of the SRS; or,
- the spatial relationship information of the neighboring cells is configured through the DL-PRS information in the spatial relationship configuration information of the SRS.
- the power configuration information of the neighboring cell is configured through the path loss reference signal of the SRS; or,
- the path loss reference signal of the neighboring cell is configured in each resource unit or each resource unit set of the SRS; or,
- the power configuration information of the neighboring cells is configured in the non-serving cell group or the neighboring cell group in each measurement target; or,
- the power configuration information of the neighboring cell is configured through the reference signal information and the transmission power information of the reference signal in each measurement target.
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is also used for:
- the cell information of the serving cell and neighboring cells is configured for the terminal through LPP signaling or LPP evolution signaling or data channel.
- the cell information of the serving cell and neighboring cells is configured by the time difference of arrival positioning method UTDOA positioning assistance data IE; or,
- the cell information of the serving cell and neighboring cells is configured by the positioning assistance data IE of the uplink arrival time positioning method.
- the network side device 1300 is a network side device corresponding to the serving cell, and the transceiver 1302 or the processor 1301 is further configured to:
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is also used for:
- the network side device 1300 is a network side device corresponding to the serving cell, and the transceiver 1302 or the processor 1301 is further configured to:
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is also used for:
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is also used for:
- the cell information of the serving cell and neighboring cells is updated for the terminal.
- the network side device 1300 is a network side device corresponding to the serving cell, and the transceiver 1302 or the processor 1301 is further configured to:
- the neighboring cell measurement information update the cell information of the neighboring cell for the terminal through an RRC message; or,
- the cell information of the neighboring cell is updated for the terminal through an RRC message.
- the network side device 1300 is a network side device corresponding to the serving cell, and the transceiver 1302 or the processor 1301 is further configured to:
- the cell information corresponding to the beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is also used for:
- the cell information corresponding to the cell index and/or the cell information corresponding to the signal beam index reported by the terminal as the cell information for transmitting the SRS to the serving cell and neighboring cells;
- the signal beam index includes the first path signal beam ID or the signal beam ID with the best signal quality.
- the neighboring cell measurement information includes the reference signal index of the neighboring cell and the reference signal measurement result.
- the reference signal index includes at least one of an SSB index, a CSI-RS index, a DL-PRS index, a signal beam index, and a signal beam index corresponding to the measurement first path.
- the reference signal measurement result includes the reference signal received power RSRP of the measured signal, the reference signal received quality RSRQ, and the signal to interference plus noise ratio SINR.
- the network side device 1300 is a network side device corresponding to the serving cell, and the transceiver 1302 or the processor 1301 is further configured to:
- the network side device 1300 is a network side device corresponding to the server, and the transceiver 1302 or the processor 1301 is also used for:
- the updated cell information is notified to the serving cell and/or neighboring cells through LPPA signaling or NRPPA evolution signaling or data channel.
- the spatial relationship information in the cell information includes at least one of the following:
- Downlink positioning reference signal resource identifier DL-PRS resource ID Downlink positioning reference signal resource identifier DL-PRS resource ID
- the spatial relationship information in the cell information includes quasi co-located QCL information.
- the power configuration information in the cell information includes path loss reference signal indication information and transmit power configuration information
- the path loss reference signal indication information includes at least one of the following:
- the transmit power configuration information includes at least one of the following:
- CSI-RS transmit power of the serving cell
- the specific signal includes at least one of the following:
- the specific cell is a cell that is not configured in the measurement configuration information.
- the configuration information includes at least one of time-frequency resource configuration information, bandwidth, common reference point A of the resource block grid, measurement time, subcarrier spacing, and signal indication information;
- the signal indication information is the cell ID and beam ID of the signal.
- processor 1301 and transceiver 1302 can implement each process implemented by the network side device in the method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1301 and various circuits of the memory represented by the memory 1303 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 1302 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the user interface 1304 may also be an interface capable of connecting externally and internally with the required equipment.
- the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 1301 is responsible for managing the bus architecture and general processing, and the memory 1303 can store data used by the processor 1301 when performing operations.
- the embodiment of the present invention also provides a network side device, including a processor 1301, a memory 1303, a computer program stored on the memory 1303 and running on the processor 1301, and the computer program is executed by the processor 1301
- a network side device including a processor 1301, a memory 1303, a computer program stored on the memory 1303 and running on the processor 1301, and the computer program is executed by the processor 1301
- the embodiment of the present invention also provides a positioning method, which aims to combine the spatial relationship signal and the positioning reference signal to perform joint positioning of the terminal.
- the positioning method will be described in detail below.
- FIG. 14 is a flowchart of a positioning method provided by an embodiment of the present invention.
- the method is applied to a communication device, and the communication device is a network side device or a terminal. As shown in FIG. 14, it includes the following steps:
- Step 1401 Determine the location information of the terminal according to the target measurement information, where the target measurement information is the measurement information of the spatial relationship signal and the positioning reference signal.
- the communication device is the terminal
- the method further includes:
- the communication device is a network side device
- the spatial relationship signal is a downlink spatial relationship signal configured when the terminal performs downlink positioning, and the target measurement information is measurement information reported by the terminal.
- the downlink positioning includes AOD positioning, OTDOA (Observed Time Difference of Arrival) positioning, TOA (Time of Arrival), TDOA (Observed Time Difference of Arrival), and ECID positioning At least one of.
- the target measurement information includes at least one of the following:
- the joint measurement result is the measurement result of the terminal using the spatial relationship signal
- the measurement result of the positioning reference signal Perform smoothing processing, and filter the measurement result obtained by the singular value of the measurement result of the positioning reference signal.
- the target measurement information further includes second indication information, and the second indication information is used to indicate that the difference between the measurement result of the spatial relationship signal and the measurement result of the positioning reference signal is less than a preset threshold, and Alternatively, the second indication information is used to indicate that the measurement result of the positioning reference signal is optimized using the measurement result of the spatial relationship signal.
- the target measurement information includes the joint measurement result and the second measurement result .
- the measurement quantity when the measurement quantity is time, the measurement quantity includes RSTD (Reference Signal Time Difference, reference signal time difference) and/or TOA.
- RSTD Reference Signal Time Difference, reference signal time difference
- the method further includes:
- the configuration of the positioning reference signal is updated.
- the updating the configuration of the positioning reference signal includes:
- the communication device is a network side device
- the spatial relationship signal is a downlink spatial relationship signal configured when the terminal performs uplink positioning
- the target measurement information includes the first measurement information of the spatial relationship signal reported by the terminal, and the second measurement information of the positioning reference signal reported by the TRP or the base station.
- the uplink positioning is UTDOA or UL-TOA positioning.
- the first measurement information includes RSRP of the spatial relationship signal and time of arrival information of the spatial relationship signal;
- the first measurement information is reported by the terminal through LPP signaling or LPP evolution signaling, and the first measurement information is included in UTDOA or uplink time positioning measurement results.
- the second measurement information includes the arrival time information of the positioning reference signal and the transmission time information of the spatial relationship signal; and/or,
- the second measurement information is reported by the TRP or base station through LPPA signaling or NRPPA signaling, and the second measurement information is included in the UTDOA or uplink time positioning measurement result.
- the determining the location information of the terminal according to the target measurement information includes:
- the location information of the terminal is determined according to the RTT (Round Trip Time).
- the method further includes:
- the terminal is notified to report the first measurement information.
- the spatial relationship signal includes at least one of SSB, CSI-RS, DL-PRS, and TRS.
- the spatial relationship signal is a QCL signal.
- the terminal is positioned in combination with the measurement information of the spatial relationship signal and the positioning reference signal, which can improve the accuracy of terminal positioning.
- FIG. 15 is a structural diagram of a communication device according to an embodiment of the present invention.
- the communication device 1500 is a network side device or terminal, and includes:
- the determining module 1501 is configured to determine the location information of the terminal according to the target measurement information, where the target measurement information is the measurement information of the spatial relationship signal and the positioning reference signal.
- the communication device 1500 is the terminal;
- the terminal further includes:
- the communication device 1500 is a network side device
- the spatial relationship signal is a downlink spatial relationship signal configured when the terminal performs downlink positioning, and the target measurement information is measurement information reported by the terminal.
- the downlink positioning includes at least one of AOD positioning, observed time difference of arrival OTDOA positioning, time of arrival TOA, time difference of arrival TDOA, and ECID positioning.
- the target measurement information includes at least one of the following:
- the joint measurement result is the measurement result of the terminal using the spatial relationship signal
- the measurement result of the positioning reference signal Perform smoothing processing, and filter the measurement result obtained by the singular value of the measurement result of the positioning reference signal.
- the target measurement information further includes second indication information, and the second indication information is used to indicate that the difference between the measurement result of the spatial relationship signal and the measurement result of the positioning reference signal is less than a preset threshold, and Alternatively, the second indication information is used to indicate that the measurement result of the positioning reference signal is optimized using the measurement result of the spatial relationship signal.
- the target measurement information includes the joint measurement result and the second measurement result .
- the measurement quantity when the measurement quantity is time, the measurement quantity includes the reference signal time difference RSTD and/or TOA.
- the communication device 1500 further includes:
- the configuration of the positioning reference signal is updated.
- the updating the configuration of the positioning reference signal includes:
- the communication device 1500 is a network side device
- the spatial relationship signal is a downlink spatial relationship signal configured when the terminal performs uplink positioning
- the target measurement information includes the first measurement information of the spatial relationship signal reported by the terminal, and the second measurement information of the positioning reference signal reported by the TRP or the base station.
- the uplink positioning is UTDOA or UL-TOA positioning.
- the first measurement information includes RSRP of the spatial relationship signal and time of arrival information of the spatial relationship signal;
- the first measurement information is reported by the terminal through LPP signaling or LPP evolution signaling, and the first measurement information is included in UTDOA or uplink time positioning measurement results.
- the second measurement information includes the arrival time information of the positioning reference signal and the transmission time information of the spatial relationship signal; and/or,
- the second measurement information is reported by the TRP or base station through LPPA signaling or NRPPA signaling, and the second measurement information is included in the UTDOA or uplink time positioning measurement result.
- the determining the location information of the terminal according to the target measurement information includes:
- the location information of the terminal is determined according to the RTT.
- the communication device 1500 further includes:
- the terminal is notified to report the first measurement information.
- the spatial relationship signal includes at least one of SSB, CSI-RS, DL-PRS, and TRS.
- the spatial relationship signal is a QCL signal.
- the communication device provided in the embodiment of the present invention can implement each process implemented by the terminal or the network side device in the embodiment of the positioning method. To avoid repetition, details are not described here.
- FIG. 16 is a schematic diagram of the hardware structure of another terminal provided by an embodiment of the present invention.
- the terminal 1600 includes, but is not limited to: a radio frequency unit 1601, a network module 1602, and an audio output Unit 1603, input unit 1604, sensor 1605, display unit 1606, user input unit 1607, interface unit 1608, memory 1609, processor 1610, power supply 1611 and other components.
- the terminal structure shown in FIG. 16 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components.
- the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
- the radio frequency unit 1601 or the processor 1610 is used for:
- the location information of the terminal is determined, and the target measurement information is the measurement information of the spatial relationship signal and the positioning reference signal.
- the radio frequency unit 1601 or the processor 1610 is further configured to:
- the spatial relationship signal includes at least one of SSB, CSI-RS, DL-PRS, and TRS.
- the spatial relationship signal is a QCL signal.
- processor 1610 and radio frequency unit 1601 can implement various processes implemented by the terminal in the embodiment of the positioning method. To avoid repetition, details are not described herein again.
- the radio frequency unit 1601 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 1610; in addition, Uplink data is sent to the base station.
- the radio frequency unit 1601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio frequency unit 1601 can also communicate with the network and other devices through a wireless communication system.
- the terminal provides users with wireless broadband Internet access through the network module 1602, such as helping users to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 1603 may convert the audio data received by the radio frequency unit 1601 or the network module 1602 or stored in the memory 1609 into audio signals and output them as sounds. Moreover, the audio output unit 1603 may also provide audio output related to a specific function performed by the terminal 1600 (for example, call signal reception sound, message reception sound, etc.).
- the audio output unit 1603 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 1604 is used to receive audio or video signals.
- the input unit 1604 may include a graphics processing unit (GPU) 16041 and a microphone 16042, and the graphics processor 16041 is configured to respond to images of still pictures or videos obtained by an image capture device (such as a camera) in the video capture mode or the image capture mode.
- the data is processed.
- the processed image frame can be displayed on the display unit 1606.
- the image frame processed by the graphics processor 16041 may be stored in the memory 1609 (or other storage medium) or sent via the radio frequency unit 1601 or the network module 1602.
- the microphone 16042 can receive sound, and can process such sound into audio data.
- the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 1601 for output in the case of a telephone call mode.
- the terminal 1600 also includes at least one sensor 1605, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 16061 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 16061 and/or when the terminal 1600 is moved to the ear. Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal gestures (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensors 1605 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared Sensors, etc., will not be repeated here.
- the display unit 1606 is used to display information input by the user or information provided to the user.
- the display unit 1606 may include a display panel 16061, and the display panel 16061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 1607 may be used to receive inputted number or character information, and generate key signal input related to user settings and function control of the terminal.
- the user input unit 1607 includes a touch panel 16071 and other input devices 16072.
- the touch panel 16071 also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 16071 or near the touch panel 16071. operating).
- the touch panel 16071 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 1610, the command sent by the processor 1610 is received and executed.
- the touch panel 16071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 1607 may also include other input devices 16072.
- other input devices 16072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
- the touch panel 16071 can cover the display panel 16061.
- the touch panel 16071 detects a touch operation on or near it, it transmits it to the processor 1610 to determine the type of the touch event, and then the processor 1610 determines the type of the touch event according to the touch.
- the type of event provides corresponding visual output on the display panel 16061.
- the touch panel 16071 and the display panel 16061 are used as two independent components to realize the input and output functions of the terminal, but in some embodiments, the touch panel 16071 and the display panel 16061 may be integrated. Realize the input and output functions of the terminal, the specifics are not limited here.
- the interface unit 1608 is an interface for connecting an external device to the terminal 1600.
- the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
- the interface unit 1608 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 1600 or may be used to communicate between the terminal 1600 and the external device. Transfer data between.
- the memory 1609 can be used to store software programs and various data.
- the memory 1609 may mainly include a storage program area and a storage data area.
- the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
- the memory 1609 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
- the processor 1610 is the control center of the terminal. It uses various interfaces and lines to connect the various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 1609, and calling data stored in the memory 1609. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
- the processor 1610 may include one or more processing units; preferably, the processor 1610 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc., the modem The processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 1610.
- the terminal 1600 may also include a power supply 1611 (such as a battery) for supplying power to various components.
- a power supply 1611 such as a battery
- the power supply 1611 may be logically connected to the processor 1610 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system.
- the terminal 1600 includes some functional modules not shown, which will not be repeated here.
- the embodiment of the present invention also provides a terminal, including a processor 1610, a memory 1609, a computer program stored on the memory 1609 and running on the processor 1610, and the computer program is implemented when the processor 1610 is executed.
- a terminal including a processor 1610, a memory 1609, a computer program stored on the memory 1609 and running on the processor 1610, and the computer program is implemented when the processor 1610 is executed.
- the communication device is a network-side device
- FIG. 17 is a structural diagram of another network-side device according to an embodiment of the present invention.
- the network-side device 1700 includes: a processor 1701 , Transceiver 1702, memory 1703 and bus interface, including:
- the transceiver 1702 or the processor 1701 is used for:
- the location information of the terminal is determined, and the target measurement information is the measurement information of the spatial relationship signal and the positioning reference signal.
- the spatial relationship signal is a downlink spatial relationship signal configured when the terminal performs downlink positioning, and the target measurement information is measurement information reported by the terminal.
- the downlink positioning includes at least one of AOD positioning, observed time difference of arrival OTDOA positioning, time of arrival TOA, time difference of arrival TDOA, and ECID positioning.
- the target measurement information includes at least one of the following:
- the joint measurement result is the measurement result of the terminal using the spatial relationship signal
- the measurement result of the positioning reference signal Perform smoothing processing, and filter the measurement result obtained by the singular value of the measurement result of the positioning reference signal.
- the target measurement information further includes second indication information, and the second indication information is used to indicate that the difference between the measurement result of the spatial relationship signal and the measurement result of the positioning reference signal is less than a preset threshold, and Alternatively, the second indication information is used to indicate that the measurement result of the positioning reference signal is optimized using the measurement result of the spatial relationship signal.
- the target measurement information includes the joint measurement result and the second measurement result .
- the measurement quantity when the measurement quantity is time, the measurement quantity includes the reference signal time difference RSTD and/or TOA.
- the method further includes:
- the configuration of the positioning reference signal is updated.
- the updating the configuration of the positioning reference signal includes:
- the spatial relationship signal is a downlink spatial relationship signal configured when the terminal performs uplink positioning
- the target measurement information includes the first measurement information of the spatial relationship signal reported by the terminal, and the second measurement information of the positioning reference signal reported by the TRP or the base station.
- the uplink positioning is UTDOA or UL-TOA positioning.
- the first measurement information includes RSRP of the spatial relationship signal and time of arrival information of the spatial relationship signal;
- the first measurement information is reported by the terminal through LPP signaling or LPP evolution signaling, and the first measurement information is included in UTDOA or uplink time positioning measurement results.
- the second measurement information includes the arrival time information of the positioning reference signal and the transmission time information of the spatial relationship signal; and/or,
- the second measurement information is reported by the TRP or base station through LPPA signaling or NRPPA signaling, and the second measurement information is included in the UTDOA or uplink time positioning measurement result.
- the determining the location information of the terminal according to the target measurement information includes:
- the location information of the terminal is determined according to the RTT.
- the method further includes:
- the terminal is notified to report the first measurement information.
- the spatial relationship signal includes at least one of SSB, CSI-RS, DL-PRS, and TRS.
- the spatial relationship signal is a QCL signal.
- processor 1701 and transceiver 1702 can implement each process implemented by the network side device in the embodiment of the positioning method, and in order to avoid repetition, details are not described herein again.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1701 and various circuits of the memory represented by the memory 1703 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 1702 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the user interface 1704 may also be an interface capable of connecting externally and internally with the required equipment.
- the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 1701 is responsible for managing the bus architecture and general processing, and the memory 1703 can store data used by the processor 1701 when performing operations.
- the embodiment of the present invention also provides a network side device, including a processor 1701, a memory 1703, a computer program stored in the memory 1703 and capable of running on the processor 1701, and the computer program is executed by the processor 1701
- a network side device including a processor 1701, a memory 1703, a computer program stored in the memory 1703 and capable of running on the processor 1701, and the computer program is executed by the processor 1701
- the embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
- a computer program is executed by a processor
- the embodiment of the terminal-side SRS transmission setting provided by the embodiment of the present invention is implemented.
- Each process, or when the computer program is executed by the processor realizes the various processes of the embodiment of the information configuration on the network side device provided by the embodiment of the present invention, or when the computer program is executed by the processor, the network provided by the embodiment of the present invention is realized
- Each process of the embodiment of the method for positioning a side device or a terminal can achieve the same technical effect. To avoid repetition, details are not repeated here.
- the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk, or optical disk, etc.
- the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a base station, etc.) execute the method described in each embodiment of the present invention.
- a terminal which may be a mobile phone, a computer, a server, an air conditioner, or a base station, etc.
- modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, Other electronic units or combinations thereof that perform the functions described in this application.
- ASICs application specific integrated circuits
- DSP Digital Signal Processing
- DSP Device digital signal processing equipment
- PLD Programmable Logic Device
- Field-Programmable Gate Array Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
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Abstract
Description
Claims (54)
- 一种探测参考信号SRS发射设置方法,应用于终端,包括:接收服务小区和邻近小区的小区信息,所述小区信息包括空间关系信息、功率配置信息和特定信号的配置信息中的至少一项;根据所述小区信息和/或第一测量结果,对信道探测用参考信号SRS的发射参数进行设置;其中,所述第一测量结果为所述终端基于所述小区信息,对服务小区和邻近小区进行测量而得到的结果。
- 根据权利要求1所述的方法,还包括:将目标小区的相关信息上报给所述网络侧设备;其中,所述目标小区为发送所述SRS所使用的小区;所述相关信息包括空间关系信息,以及空间关系信号的测量结果中的至少一项。
- 根据权利要求1所述的方法,其中,所述根据所述小区信息和/或第一测量结果,对SRS的发射参数进行设置,包括:根据所述小区信息中的空间关系信息,以及所述网络侧设备提供的SRS资源配置信息,将服务小区和邻近小区的空间关系信号的相关方向设置为所述SRS的发射方向;或者,根据所述小区信息中的空间关系信息,以及所述网络侧设备提供的SRS资源配置信息,将与所述空间关系信号的相关方向相同的空间滤波方向设置为所述SRS的发射方向。
- 根据权利要求3所述的方法,其中,所述将服务小区和邻近小区的空间关系信号的相关方向设置为所述SRS的发射方向,包括:将所述终端接收到的空间关系信号的所有相关方向作为所述SRS的发射方向;或者,从所述终端接收到的空间关系信号的相关方向中,选择特定波束方向作为所述SRS的发射方向。
- 根据权利要求4所述的方法,其中,所述从所述终端接收到的空间关 系信号的相关方向中,选择特定波束方向作为所述SRS的发射方向,包括:根据所述第一测量结果,从所述终端接收到的空间关系信号的相关方向中,选择特定方向作为所述SRS的发射方向;或者,根据所述终端的能力,从所述终端接收到的空间关系信号的相关方向中,选择特定方向作为所述SRS的发射方向;或者,根据所述第一测量结果,以及所述终端的能力,从所述终端接收到的空间关系信号的相关方向中,选择特定方向作为所述SRS的发射方向。
- 根据权利要求3至5中任一项所述的方法,其中,所述空间关系信号的相关方向包括:所述空间关系信号接收功率最强的接收波束方向;或者,测得所述空间关系信号首径的方向;或者,所述空间关系信号的配置方向。
- 根据权利要求1所述的方法,其中,所述根据所述小区信息和/或第一测量结果,对SRS的发射参数进行设置,包括:根据所述小区信息中的功率配置信息和特定信号的配置信息,以及所述第一测量结果,对所述SRS的发射功率进行设置;或者,根据所述小区信息中的空间关系信息、功率配置信息和特定信号的配置信息,以及所述第一测量结果,对所述SRS的发射功率进行设置。
- 根据权利要求1所述的方法,其中,所述小区信息中的空间关系信息包括以下至少一项:小区标识;小区同步信号块标识SSB ID;小区信道状态信息参考信号标识CSI-RS ID;下行定位参考信号资源集标识DL-PRS resource set ID;下行定位参考信号资源标识DL-PRS resource ID;同步信号块SSB对应波束的空间方向信息;信道状态信息参考信号CSI-RS对应波束的空间方向信息;下行定位参考信号DL-PRS对应波束的空间方向信息;SSB对应的空间滤波信息;CSI-RS对应的空间滤波信息;DL-PRS对应的空间滤波信息。
- 根据权利要求1所述的方法,其中,所述小区信息中的空间关系信息包括准共址QCL信息。
- 根据权利要求1所述的方法,其中,所述小区信息中的功率配置信息包括路损参考信号指示信息和发射功率配置信息;所述路损参考信号指示信息包括以下至少一项:小区SSB ID;小区CSI-RS ID;DL-PRS resource set ID;DL-PRS resource ID;所述发射功率配置信息包括以下至少一项:服务小区的SSB发射功率;邻近小区SSB发射功率相对于服务小区SSB发射功率的偏移;服务小区的CSI-RS发射功率;邻近小区CSI-RS发射功率相对于服务小区SSB发射功率的偏移;服务小区的DL-PRS发射功率;邻近小区DL-PRS发射功率相对于服务小区SSB发射功率的偏移。
- 根据权利要求1所述的方法,其中,所述特定信号包括以下至少一项:DL-PRS;特定小区的SSB;特定小区的CSI-RS;路损参考信号;空间关系信号。
- 根据权利要求11所述的方法,其中,所述特定信号的配置信息包括时频资源配置信息、带宽、资源块网格的公共参考点point A、测量时间、子载波间隔和信号指示信息中的至少一种;其中,所述信号指示信息为信号的小区ID和波束ID。
- 一种信息配置方法,包括:网络侧设备为终端配置服务小区和邻近小区的小区信息,所述小区信息用于确定信道探测用参考信号SRS的发射参数;其中,所述小区信息包括空间关系信息、功率配置信息和特定信号的配置信息中的至少一项。
- 根据权利要求13所述的方法,其中,所述网络侧设备为终端配置服务小区和邻近小区的小区信息,包括:服务小区通过RRC消息为所述终端配置邻近小区的小区信息。
- 根据权利要求14所述的方法,其中,所述邻近小区的空间关系信息通过所述SRS的空间关系配置信息中的小区标识或发送接收点TRP标识配置;或者,所述邻近小区的空间关系信息通过所述SRS的空间关系配置信息中的非服务小区标识配置;或者,所述邻近小区的空间关系信息通过所述SRS的空间关系配置信息中的DL-PRS信息配置。
- 根据权利要求14所述的方法,其中,所述邻近小区的功率配置信息包括所述SRS的路损参考信号配置;或者,所述邻近小区的路损参考信号配置于所述SRS的每个资源单元或每个资源单元集中;或者,所述邻近小区的功率配置信息配置于每个测量目标中的非服务小区组或邻近小区组中;或者,所述邻近小区的功率配置信息包括配置每个测量目标中的参考信号信息和/或参考信号的发射功率信息。
- 根据权利要求13所述的方法,其中,所述网络侧设备为终端配置服务小区和邻近小区的小区信息,包括:服务器通过LTE定位协议LPP信令或LPP演进信令信令或数据信道,为所述终端配置服务小区和邻近小区的小区信息。
- 根据权利要求17所述的方法,其中,所述服务器通过LPP信令或LPP演进信令或数据信道,为所述终端配置服务小区和邻近小区的小区信息,包括:服务器根据所述终端的位置信息,以及存储在所述服务器的TRP信息和/或小区信息,通过LPP信令或LPP演进信令或数据信道为所述终端配置服务小区和邻近小区的小区信息。
- 根据权利要求18所述的方法,其中,所述服务小区和邻近小区的小区信息通过上行到达时间差定位法UTDOA定位辅助数据IE配置;或者,所述服务小区和邻近小区的小区信息通过上行到达时间定位法定位辅助数据IE配置。
- 根据权利要求13所述的方法,其中,在所述网络侧设备为终端配置服务小区和邻近小区的小区信息之前,所述方法还包括:服务小区通过X2或Xn接口,获取所述邻近小区的小区信息;或者,服务小区通过LPPA信令、NRPPA信令或数据信道,从服务器获取所述邻近小区的小区信息;或者,服务器通过LPPA信令、NRPPA信令或数据信道,获取所述服务小区和邻近小区的小区信息。
- 根据权利要求13所述的方法,其中,在所述网络侧设备为终端配置服务小区和邻近小区的小区信息之后,所述方法还包括:在服务小区接收到所述终端上报的邻近小区测量信息的情况下,所述服务小区通过RRC消息,为所述终端更新所述邻近小区的小区信息;或者,在服务器接收到所述终端上报的邻近小区测量信息和/或服务小区测量信息的情况下,所述服务器通过LPP信令或LPP演进信令或数据信道,为所述终端更新所述服务小区和邻近小区的小区信息。
- 根据权利要求21所述的方法,其中,所述服务器通过LPP信令或LPP演进信令或数据信道,为所述终端更新所述服务小区和邻近小区的小区信息,包括:服务器根据所述终端的上报信息,以及存储在所述服务器的相关信息,通过LPP信令或LPP演进信令或数据信道为所述终端更新所述服务小区和邻近小区的小区信息。
- 根据权利要求21所述的方法,其中,所述服务小区通过RRC消息,为所述终端更新所述邻近小区的小区信息,包括:服务小区根据存储在所述服务小区的相关信息,通过RRC消息为所述终端更新所述邻近小区的小区信息;或者,服务小区根据所述邻近小区测量信息,通过RRC消息为所述终端更新所述邻近小区的小区信息;或者,服务小区根据所述邻近小区测量信息,以及存储在所述服务小区的相关信息,通过RRC消息为所述终端更新所述邻近小区的小区信息。
- 根据权利要求21所述的方法,其中,所述服务小区通过RRC消息为所述终端更新所述邻近小区的小区信息,包括:服务小区将所述终端上报的小区索引对应的小区信息和/或波束索引对应的小区信息作为向邻近小区发射所述SRS的小区信息;其中,所述波束索引对应的小区信息包括首径信号波束ID或信号质量最好的信号波束ID。
- 根据权利要求21所述的方法,其中,所述服务器通过LPP信令或LPP演进信令或数据信道,为所述终端更新所述服务小区和邻近小区的小区信息,包括:服务器将所述终端上报的小区索引对应的小区信息和/或信号波束索引对应的小区信息作为向服务小区和邻近小区发射所述SRS的小区信息;其中,所述信号波束索引包括首径信号波束ID或信号质量最好的信号波束ID。
- 根据权利要求21所述的方法,其中,所述邻近小区测量信息包括邻近小区的参考信号索引和参考信号测量结果。
- 根据权利要求26所述的方法,其中,所述参考信号索引包括SSB索引、CSI-RS索引、DL-PRS索引、信号波束索引和测量首径对应的信号波束索引中的至少一种。
- 根据权利要求26所述的方法,其中,所述参考信号测量结果包括测量信号的参考信号接收功率RSRP、参考信号接收质量RSRQ和信号与干扰加噪声比SINR。
- 根据权利要求21所述的方法,其中,在为所述终端更新所述小区信息之后,所述方法还包括以下至少一项:服务小区通过X2或Xn接口向邻近小区通知更新后的小区信息;服务器通过LPPA信令或NRPPA演进信令或数据信道,向服务小区和/或邻近小区通知更新后的小区信息。
- 一种信息配置方法,包括:服务器通过通过LPPA信令、NRPPA信令或数据信道,向服务小区发送邻近小区的小区信息。
- 一种终端,包括:接收模块,用于接收服务小区和邻近小区的小区信息,所述小区信息包括空间关系信息、功率配置信息和特定信号的配置信息中的至少一项;设置模块,用于根据所述小区信息和/或第一测量结果,对信道探测用参考信号SRS的发射参数进行设置;其中,所述第一测量结果为所述终端基于所述小区信息,对服务小区和邻近小区进行测量而得到的结果。
- 一种网络侧设备,包括:配置模块,用于为终端配置服务小区和邻近小区的小区信息,所述小区信息用于确定信道探测用参考信号SRS的发射参数;其中,所述小区信息包括空间关系信息、功率配置信息和特定信号的配置信息中的至少一项。
- 一种定位方法,应用于通信设备,所述通信设备为网络侧设备或终端,包括:根据目标测量信息,确定终端的位置信息,所述目标测量信息为空间关系信号和定位参考信号的测量信息。
- 根据权利要求33所述的方法,其中,所述通信设备为所述终端;在所述确定终端的位置信息之后,所述方法还包括:向网络侧设备发送所述位置信息和第一指示信息,所述第一指示信息用于指示所述位置信息由所述目标测量信息确定。
- 根据权利要求33所述的方法,其中,所述通信设备为网络侧设备;所述空间关系信号为所述终端执行下行定位时配置的下行空间关系信号,所述目标测量信息为所述终端上报的测量信息。
- 根据权利要求35所述的方法,其中,所述下行定位包括AOD定位、观察到达时间差OTDOA定位、到达时刻TOA、到达时间差TDOA和ECID定位中的至少一项。
- 根据权利要求35所述的方法,其中,所述目标测量信息包括以下至少一项:所述空间关系信号的第一测量结果;所述定位参考信号的第二测量结果:所述空间关系信号和所述定位参考信号的联合测量结果。
- 根据权利要求37所述的方法,其中,若所述空间关系信号和所述定位参考信号配置有时域间隔,则所述联合测量结果为所述终端利用所述空间关系信号的测量结果,对所述定位参考信号的测量结果进行平滑处理,并过滤所述定位参考信号的测量结果的奇异值而得到的测量结果。
- 根据权利要求38所述的方法,其中,所述目标测量信息还包括第二指示信息,所述第二指示信息用于指示所述空间关系信号的测量结果和所述定位参考信号的测量结果的差值小于预设阈值,或者,所述第二指示信息用于指示所述定位参考信号的测量结果使用所述空间关系信号的测量结果进行优化。
- 根据权利要求37所述的方法,其中,若所述空间关系信号和所述定位参考信号配置在不同带宽,且测量量为时间或子载波相位,则所述目标测量信息包括所述联合测量结果和所述第二测量结果。
- 根据权利要求40所述的方法,其中,所述测量量为时间时,所述测量量包括参考信号时间差RSTD和/或TOA。
- 根据权利要求35所述的方法,还包括:若在特定小区下,所述定位参考信号的测量结果与所述空间关系信号的测量结果小于阈值的定位用户数量超过预设比率,则对所述定位参考信号的配置进行更新。
- 根据权利要求42所述的方法,其中,所述对所述定位参考信号的配置进行更新,包括:取消特定方向的波束;或者,增大波束发射的周期;或者,设置更多的静默波束。
- 根据权利要求33所述的方法,其中,所述通信设备为网络侧设备;所述空间关系信号为所述终端执行上行定位时配置的下行空间关系信号;所述目标测量信息包括所述终端上报的空间关系信号的第一测量信息,以及TRP或基站上报的定位参考信号的第二测量信息。
- 根据权利要求44所述的方法,其中,所述上行定位为UTDOA或UL-TOA定位。
- 根据权利要求44所述的方法,其中,所述第一测量信息包括所述空间关系信号的RSRP和所述空间关系信号的到达时间信息;所述第一测量信息由所述终端通过LPP信令或LPP演进信令上报,所述第一测量信息包括在UTDOA或上行时间定位的测量结果中。
- 根据权利要求44所述的方法,其中,所述第二测量信息包括所述定位参考信号的到达时间信息和所述空间关系信号的发送时间信息;和/或,所述第二测量信息由所述TRP或基站通过LPPA信令或NRPPA信令上报,所述第二测量信息包括在UTDOA或上行时间定位的测量结果中。
- 根据权利要求44所述的方法,其中,所述根据所述目标测量信息,确定终端的位置信息,包括:根据所述第一测量信息和所述第二测量信息,计算所述终端的往返时延RTT;根据所述RTT确定所述终端的位置信息。
- 根据权利要求44所述的方法,还包括:根据所述终端的能力,通知所述终端上报所述第一测量信息。
- 根据权利要求33所述的方法,其中,所述空间关系信号包括SSB、CSI-RS、DL-PRS和TRS中的至少一项。
- 根据权利要求33所述的方法,其中,所述空间关系信号为QCL信号。
- 一种通信设备,所述通信设备为网络侧设备或终端,包括:确定模块,用于根据目标测量信息,确定终端的位置信息,所述目标测量信息为空间关系信号和定位参考信号的测量信息。
- 一种通信设备,所述通信设备为网络侧设备或终端,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至12中任一项所述的SRS发射设置方法中的步骤,或者,所述程序被所述处理器执行时实现如权利要求13至30中任一项所述的信息配置方法中的步骤,或者,所述程序被所述处理器执行时实现如权利要求33至51中任一项所述的定位方法中的步骤。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至12中任一项所述的SRS发射设置方法中的步骤,或者,所述计算机程序被处理器执行时实现如权利要求13至30中任一项所述的信息配置方法中的步骤,或者,所述计算机程序被处理器执行时实现如权利要求33至51中任一项所述的定位方法中的步骤。
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