US-12621795-B2 - PUCCH resource management for positioning state information (PSI) reports

US12621795B2US 12621795 B2US12621795 B2US 12621795B2US-12621795-B2

Abstract

Techniques for communication by a user equipment (UE) are disclosed. Techniques can include determining a positioning state information (PSI) report to transmit, where the PSI report comprises positioning-related information, and selecting a physical uplink control channel (PUCCH) resource with which to transmit the PSI report, where the selected PUCCH resource comprises a number of resource blocks (RBS). Techniques can further include determining whether to transmit the PSI report using the selected PUCCH resource, based on: the number of RBS, a size of uplink control information (UCI) to be transmitted using the selected PUCCH resource, the selected PUCCH resource being configured with a capability to include both the PSI report and a hybrid automatic repeat request acknowledgment (HARQ-ACK), or the selected PUCCH resource being configured to include only one or more PSI reports, and optionally one or more CSI reports, as a payload, or any combination thereof.

Inventors

Alexandros Manolakos
WEIMIN DUAN
Wanshi Chen

Assignees

QUALCOMM INCORPORATED

Dates

Publication Date: 20260505
Application Date: 20231019

Claims (20)

1 . A method of wireless communication by a User Equipment (UE), the method comprising: determining a positioning state information (PSI) report to transmit, wherein the PSI report comprises positioning-related information; selecting a Physical Uplink Control Channel (PUCCH) resource with which to transmit the PSI report, the selected PUCCH resource comprising a number of Resource Blocks (RBs); and determining whether to transmit the PSI report using the selected PUCCH resource, based on: the number of RBs of the selected PUCCH resource and a coding rate specific to transmittal of PSI reports, a size of a Uplink Control Information (UCI) to be transmitted using the selected PUCCH resource compared with a maximum size of PSI reporting in a particular format for which the selected PUCCH resource is configured, an indication, specific to PSI reports, that the selected PUCCH resource is configured with (i) a capability to include both the PSI report and a Hybrid Automatic Repeat Request Acknowledgment (HARQ-ACK), and (ii) a capability to include both a Channel State Information (CSI) report and the HARQ-ACK, or any combination thereof.
2 . The method of claim 1 , wherein determining whether to transmit the PSI report using the selected PUCCH resource is based on the number of RBs of the selected PUCCH resource and the coding rate specific to transmittal of PSI reports, wherein the method further comprises: determining the coding rate configured for the selected PUCCH resource, wherein the coding rate configured for the selected PUCCH resource is the coding rate specific to transmittal of PSI reports; and calculating a number of RBs for transmitting the PSI report, wherein the number of RBs for transmitting the PSI report is based, at least in part, on a size of the PSI report and the coding rate configured for the selected PUCCH resource; wherein determining whether to transmit the PSI report using the selected PUCCH resource is based on a comparison of the calculated number of RBs for transmitting the PSI report with the number of RBs of the selected PUCCH resource.
3 . The method of claim 2 , wherein the calculated number of RBs for transmitting the PSI report is greater than a number of RBs of the selected PUCCH resource.
4 . The method of claim 3 , wherein determining whether to transmit the PSI report comprises determining to omit or postpone transmitting the PSI report based on a determination that the calculated number of RBs for transmitting the PSI report is greater than the number of RBs of the selected PUCCH.
5 . The method of claim 3 , wherein determining whether to transmit the PSI report comprises: in response to determining that the calculated number of RBs for transmitting the PSI report is greater than the number of RBs of the selected PUCCH, modifying the PSI report by reducing a granularity of the positioning-related information; and transmitting the modified PSI report.
6 . The method of claim 2 , wherein: the coding rate configured for the selected PUCCH resource comprises a maximum coding rate, and calculating the number of RBs for transmitting the PSI report comprises calculating a minimum number of RBs based on the maximum coding rate.
7 . The method of claim 2 , wherein: the coding rate configured for the selected PUCCH resource comprises a configured coding rate, and calculating the number of RBs for transmitting the PSI report comprises calculating a nominal number of RBs based on the configured coding rate.
8 . The method of claim 2 , further comprising transmitting the PSI report using the selected PUCCH resource based on a determination that the calculated number of RBs for transmitting the PSI report is equal to or less than the number of RBs of the selected PUCCH.
9 . The method of claim 2 , wherein the positioning-related information comprises: a Reference Signal Time Difference (RSTD) vector, a UE Rx-Tx vector, a Reference Signal Receive Power (RSRP) vector, a Quality Metric vector, a velocity vector, a positioning fix vector, a trajectory vector, a Time of Arrival (TOA) vector, a multipath vector, a Line-Of-Sight (LOS) information vector, a Non-Line-Of-Sight (NLOS) information vector, signal-to-interference-plus-noise ratio (SINR) vector, or RSRP per path information, or any combination thereof.
10 . The method of claim 1 , wherein determining whether to transmit the PSI report using the selected PUCCH resource is based on the size of the UCI to be transmitted using the selected PUCCH resource compared with the maximum size of PSI reporting in the particular format for which the selected PUCCH resource is configured, and wherein the particular format comprises PUCCH format 4.
11 . The method of claim 1 , wherein determining whether to transmit the PSI report using the selected PUCCH resource is based on the indication that the selected PUCCH resource is configured with (i) a capability to include both the PSI report and a HARQ-ACK, and (ii) a capability to include both a CSI report and the HARQ-ACK, wherein the method further comprises: determining to transmit the HARQ-ACK; receiving the indication; and transmitting the PSI report and the HARQ-ACK by multiplexing the PSI report and the HARQ-ACK in the selected PUCCH resource.
12 . The method of claim 11 , wherein the selected PUCCH resource has PUCCH format 2, 3, or 4.
13 . The method of claim 11 , wherein the selected PUCCH resource is configured for multiplexing using Radio Resource Control (RRC) or Long Term Evolution (LTE) Positioning Protocol (LPP).
14 . A User Equipment (UE) comprising: a transceiver; a memory; and one or more processing units communicatively coupled with the transceiver and the memory, the one or more processing units configured to: determine a positioning state information (PSI) report to transmit, wherein the PSI report comprises positioning-related information; select a Physical Uplink Control Channel (PUCCH) resource with which to transmit the PSI report, the selected PUCCH resource comprising a number of Resource Blocks (RBs); and determine whether to transmit the PSI report, via the transceiver, using the selected PUCCH resource, based on: the number of RBs of the selected PUCCH resource and a coding rate specific to transmittal of PSI reports, a size of a Uplink Control Information (UCI) to be transmitted using the selected PUCCH resource compared with a maximum size of PSI reporting in a particular format for which the selected PUCCH resource is configured, an indication, specific to PSI reports, that the selected PUCCH resource is configured with (i) a capability to include both the PSI report and a Hybrid Automatic Repeat Request Acknowledgment (HARQ-ACK), and (ii) a capability to include both a channel state information (CSI) report and the HARQ-ACK, or any combination thereof.
15 . The UE of claim 14 , wherein the one or more processing units are configured to determine whether to transmit the PSI report using the selected PUCCH resource based on the number of RBs of the selected PUCCH resource, and wherein the one or more processing units are further configured to: determine the coding rate configured for the selected PUCCH resource, wherein the coding rate configured for the selected PUCCH resource is the coding rate specific to transmittal of PSI reports; and calculate a number of RBs for transmitting the PSI report, wherein the number of RBs for transmitting the PSI report is based, at least in part, on a size of the PSI report and a coding rate configured for the selected PUCCH resource; wherein the one or more processing units are configured to determine whether to transmit the PSI report using the selected PUCCH resource based on a comparison of the calculated number of RBs for transmitting the PSI report with the number of RBs of the selected PUCCH resource.
16 . The UE of claim 15 , wherein the one or more processing units are configured to determine whether to transmit the PSI report comprises determining to omit or postpone transmitting the PSI report based on a determination that the calculated number of RBs for transmitting the PSI report is greater than a number of RBs of the selected PUCCH.
17 . The UE of claim 16 , wherein, to determine whether to transmit the PSI report, the one or more processing units are configured to: in response to determining that the calculated number of RBs for transmitting the PSI report is greater than the number of RBs of the selected PUCCH, modify the PSI report by reducing a granularity of the positioning-related information; and transmit the modified PSI report via the transceiver.
18 . The UE of claim 15 , wherein: to determine the coding rate configured for the selected PUCCH resource, the one or more processing units are configured to determine a maximum coding rate, and to calculate the number of RBs for transmitting the PSI report, the one or more processing units are configured to calculate a minimum number of RBs based on the maximum coding rate.
19 . The UE of claim 15 , wherein: to determine the coding rate configured for the selected PUCCH resource, the one or more processing units are configured to determine a configured coding rate, and to calculate the number of RBs for transmitting the PSI report, the one or more processing units are configured to calculate a nominal number of RBs based on the configured coding rate.
20 . The UE of claim 15 , wherein the one or more processing units are configured to transmit, via the transceiver, the PSI report using the selected PUCCH resource based on a determination that the calculated number of RBs for transmitting the PSI report is equal to or less than the number of RBs of the selected PUCCH.

Description

RELATED APPLICATIONS This application is a continuation of and claims the benefit of U.S. application Ser. No. 17/178,013, filed Feb. 17, 2021, entitled “PUCCH RESOURCE MANAGEMENT FOR POSITIONING STATE INFORMATION (PSI) REPORTS”, which claims the benefit of U.S. Provisional Application No. 63/027,441, filed May 20, 2020, entitled “PUCCH RESOURCE MANAGEMENT FOR POSITIONING STATE INFORMATION (PSI) REPORTS,” both of which are assigned to the assignee hereof, and incorporated by reference herein in their entirety. BACKGROUND 1. Field of Invention The present invention relates generally to the field of wireless communications, and more specifically to managing position-related information communicated within a Physical Uplink Control Channel (PUCCH). 2. Description of Related Art In a data communication network, various positioning techniques can be used to determine the location of a mobile electronic device (referred to herein as a User Equipment (UE)). The UE may use wireless radio frequency (RF) signaling between the UE and terrestrial transceivers of the data communication network to make measurements for positioning and/or communicate the measurements to the data communication network. This positioning-related information is communicated via a higher-layer protocol, such as Long Term Evolution (LTE) Positioning Protocol (LPP). BRIEF SUMMARY An example method of wireless communication by a user equipment (UE), according to this disclosure, comprises determining a positioning state information (PSI) report to transmit, where the PSI report may comprise positioning-related information. The method also comprises selecting a physical uplink control channel (PUCCH) resource with which to transmit the PSI report, the selected PUCCH resource may comprise a number of resource blocks (RBS). The method also comprises determining whether to transmit the PSI report using the selected PUCCH resource, based on: the number of RBS of the selected PUCCH resource, a size of a uplink control information (UCI) to be transmitted using the selected PUCCH resource, the selected PUCCH resource being configured with a capability to include both the PSI report and a hybrid automatic repeat request acknowledgment (HARQ-ACK), or the selected PUCCH resource being configured to include only one or more PSI reports, and optionally one or more CSI reports, as a payload, or any combination thereof. Another example method of wireless communication by a user equipment (UE), according to this disclosure, comprises determining a plurality of reports for transmittal, the reports may comprise: a first set may comprise one or more positioning state information reports with position-related information, and a second set may comprise one or more channel state information (CSI) reports, where each report of the first set and the second set has a respective priority. The method also comprises determining a plurality of physical uplink control channel (PUCCH) resources, where: at least a portion of each PUCCH resource of the plurality of PUCCH resources occupies a common slot, and each PUCCH resource corresponds to a report of the first set or the second set. The method also comprises selecting at least one report from the first set, the second set, or both, based at least in part on the respective priority of each report of the at least one selected report. The method also comprises transmitting the at least one selected report using at least one PUCCH resource corresponding to the at least one selected report. Yet another example method of wireless communication by a user equipment (UE), according to this disclosure, comprises determining a plurality of positioning state information (PSI) reports to transmit, where each PSI report may comprise positioning-related information. The method also comprises selecting a physical uplink control channel (PUCCH) resource with which to multiplex the plurality of PSI reports, based on an estimated size of the plurality of PSI reports. The method also comprises transmitting the plurality of PSI reports using the selected PUCCH resource. Another example method of wireless communication by a user equipment (UE), according to this disclosure, comprises determining that at least a portion of a first physical uplink control channel (PUCCH) resource occupies one or more slots in common with at least a portion of one or more additional PUCCH resources, where: the first PUCCH resource corresponds to a first UCI report with positioning-related information, and the one or more additional PUCCH resources correspond to one or more additional UCI reports that do not have positioning-related information. The method also comprises for each of the one or more slots: selecting, from the first PUCCH resource and the one or more additional PUCCH resources, a PUCCH resource to transmit based at least in part on a respective priority of each of the first UCI report and the one or more additional UCI reports, and transmitting the sel