Positioning of user equipment (UE) using a reference signal

Abstract

This system provides positioning of user equipment (UEs) using a reference signal. [Solution] This application relates to devices and components including apparatus, systems, and methods for UE positioning. In one example, the UE transmits a positioning sounding reference signal (SRSp) to a base station. The SRSp transmission may use frequency hopping and may rely on window and / or collision rules associated with the entire frequency hopping sequence or only the frequency hops of such a sequence. The window and / or collision rules can reduce the possibility of signal collisions with non-SRSp signals. Furthermore, the UE may implement a low-power high-precision positioning (LPHAP) technique. In this technique, if the UE is unable to accurately measure "N" configured reference signals, a fallback behavior or termination of SRSp transmission may occur, where "N" may be based on a positioning method.

Claims

1. It is a method, Processing configuration information associated with a positioning sounding reference signal (SRSp) transmission, wherein the configuration information is received from a network and the effective positioning bandwidth is greater than the transmission bandwidth of the RedCap UE. Determining a configuration associated with frequency hopping for transmitting an SRSp, wherein the configuration is specific to a plurality of frequency hops or one of the plurality of frequency hops, and includes at least one of a window for transmitting the SRSp or a collision rule for resolving signal collisions between the SRSp and a non-SRSp signal. Based on the above configuration, In the configuration including the aforementioned window, transmitting the SRSp during the window, wherein no signal transmission or reception occurs during the first duration before the start of the window and the second duration after the end of the window, or A method comprising, in the configuration including the collision rule, transmitting the SRSp based on the priority of a signal, wherein the priority of the signal is determined during or within the first duration prior to the commencement of the transmission of the SRSp, and transmitting the SRSp based on the priority of a signal.

2. Processing the positioning reference signal (PRS) received on the downlink channel, It is determined that receiving the aforementioned PRS will use less than the desired effective positioning bandwidth, To cause the network to transmit a message indicating that less than the desired effective positioning bandwidth is being used, The method according to claim 1, further comprising:

3. Processing the positioning reference signal (PRS) received on the downlink channel, The system further includes transmitting to the network one or more measurements and a combined frequency hop representation for a series of reference signal transmissions, wherein the one or more measurements are a single measurement corresponding to the largest series of reference signal transmissions or a series of measurements corresponding to different series of reference signal transmissions. The method according to claim 1.

4. Processing the positioning reference signal (PRS) received on the downlink channel, To transmit the hop-by-hop reference signal measurement values, which have a position index of the reference signal measurement value for each hop, to the network, The method according to claim 1, further comprising:

5. Processing the positioning reference signal (PRS) received on the downlink channel, To transmit to the network a reference signal measurement value associated with the plurality of frequency hops, and an indication that it is at least the reference signal measurement value or the plurality of frequency hops, The method according to claim 1, further comprising:

6. Processing the positioning reference signal (PRS) received on the downlink channel, To transmit to the network a set of multiple reference signal measurements and a corresponding set of frequency hops for each of the multiple reference signal measurements, The method according to claim 1, further comprising:

7. Processing the positioning reference signal (PRS) received on the downlink channel, To transmit to the network a reference signal measurement value for each of the multiple frequency hops, and a display of the corresponding frequency hop for each of the reference signal measurement values ​​for each of the multiple frequency hops, The method according to claim 1, further comprising:

8. Processing the positioning reference signal (PRS) received on the downlink channel, To transmit to the network a reference signal measurement value for each of the multiple frequency hops, and a display of the correspondence between each frequency hop and each of the reference signal measurement values ​​for the multiple frequency hops, The method according to claim 1, further comprising:

9. Processing the positioning reference signal (PRS) received on the downlink channel, The system further includes transmitting reference signal measurements for multiple frequency hops to the network, wherein the default value of the reference signal measurement for each frequency hop indicates that no reference signal measurement was generated for the corresponding frequency hop. The method according to claim 1.

10. Processing a positioning reference signal (PRS) configuration that uses the frequency hopping, wherein the use of the frequency hopping is based on the RedCap UE or on the PRS configuration and the effective positioning bandwidth, Based on the aforementioned PRS configuration, the PRS received from the network on the downlink channel is processed, The method according to claim 1, further comprising:

11. It is a device, It includes a processing circuit, and the processing circuit is Processing configuration information associated with a positioning sounding reference signal (SRSp) transmission, wherein the configuration information is received from a network and the effective positioning bandwidth is greater than the transmission bandwidth of the RedCap UE. Determining a configuration associated with frequency hopping for transmitting an SRSp, wherein the configuration is specific to a plurality of frequency hops or one of the plurality of frequency hops and includes at least one of a window for transmitting the SRSp or a collision rule for resolving a signal collision between the SRSp and a non-SRSp signal. Based on the above configuration, In the configuration including the aforementioned window, transmitting the SRSp during the window, wherein no signal transmission or reception occurs during the first duration before the start of the window and the second duration after the end of the window, or In the configuration including the collision rule, the device is configured to transmit the SRSp based on the priority of a signal, wherein the priority of the signal is determined during or within the first duration prior to the start of the transmission of the SRSp.

12. The apparatus according to claim 11, wherein the configuration information indicates the configuration of the window, and the configuration indicates a window identifier, periodicity in the slot, offset of the starting slot, and time length.

13. The apparatus according to claim 11, wherein the first duration corresponds to the number of first symbols, the second duration corresponds to the number of second symbols, and at least one of the first numbers of the second number is based on the subcarrier interval of the SRSp transmission, differs between downlink symbols or channels and uplink symbols or channels, or is based on UE capability.

14. The apparatus according to claim 11, wherein the collision rule is applied to the SRSp transmission outside the window or to the SRSp transmission within the window.

15. The apparatus according to claim 11, wherein the collision rule is specific to the frequency hop and indicates whether the SRSp should be transmitted or dropped when the signal collision occurs in the frequency hop or any one of the plurality of frequency hops.

16. It is a method, Processing configuration information received from a network, including a set of (SRS)-SpatialRelationInfoPos parameters for positioning sounding reference signal (SRS) resources, wherein the SRS-SpatialRelationInfoPos parameters indicate a spatial domain transmit filter for SRS transmission, and processing configuration information including a set of (SRS)-SpatialRelationInfoPos parameters. While operating in the RRC_INACTIVE state or RRC_IDLE state, it is determined that the number "N" of configured downlink reference signals in the SRS-SpatialRelationInfoPos parameter for the SRS resource cannot be measured with a predefined precision for each cell identifier or group of cell identifiers, A method comprising, based on the inability to measure, refraining from transmitting the SRS resource or causing the SRS resource to be transmitted based on one or more spatial domain transmission filters that are not present in the configuration information.

17. The method according to claim 16, wherein the set of SRS-SpatialRelationInfoPos parameters is configured for the cell identifier or the group of cell identifiers.

18. The method according to claim 16, wherein the set of SRS-SpatialRelationInfoPos parameters is configured for each area based on capability information, and each SRS-SpatialRelationInfoPos parameter is configured for each cell identifier or group of cell identifiers.

19. The method according to claim 16, wherein the set of SRS-SpatialRelationInfoPos parameters is configured for each area based on capability information, and the plurality of SRS-SpatialRelationInfoPos parameters are configured for each cell identifier or group of cell identifiers.

20. The method according to claim 16, wherein the number "N" is based on the positioning method used and the ability to support a number of SRS-SpatialRelationInfoPos parameters for each cell identifier or group of cell identifiers.

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