Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives, from a location server, a positioning reference signal (PRS) configuration for a downlink-and-uplink-based positioning session between the UE and the location server, waits, based on a determination that a sounding reference signal (SRS) configuration for the downlink-and-uplink-based positioning session has not been received from a serving base station of the UE, for reception of the SRS configuration from the serving base station until expiration of a timer, and determines, based on the expiration of the timer, whether the SRS configuration was received.

Abstract: Method and apparatus for beam information in downlink AoD positioning with UE positioning. The apparatus sends a first request, to at least one base station, for a beam response report based on at least a first location information. The first request includes the first location information with respect to the at least one base station. The apparatus sends a second request, to the at least one base station, for a beam response report based on at least a second location information. The second request includes the second location information with respect to the at least one base station. The apparatus receives, from the at least one base station, one or more beam response reports comprising beam response information of one or more transmission beams of the at least one base station corresponding to at least the first location information and the second location information.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives a configuration of one or more resource pools for positioning (RP-Ps) to use for transmission, reception, or both of sidelink positioning reference signals (SL-PRS), measures at least a first channel busy ratio (CBR) associated with a first RP-P of the one or more RP-Ps, and transmits, to at least a second UE, one or more SL-PRS resources in the first RP-P, wherein transmission parameters of the one or more SL-PRS resources are based on the first CBR associated with the first RP-P.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives positioning reference signal (PRS) resources of a PRS instance, receives at least one symbol of a high priority downlink channel scheduled during a PRS processing window for the PRS instance, wherein the high priority downlink channel is determined to have high priority based on the high priority downlink channel being associated with a high priority uplink channel, and refrains from processing the PRS resources of the PRS instance during the PRS processing window based on one or more conditions related to prioritizing PRS processing, wherein the one or more conditions indicate that the UE does not expect to process the PRS resources of the PRS instance during the PRS processing window based on the at least one symbol of the high priority downlink channel being scheduled during the PRS processing window.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a User Equipment (UE) may register, with a first network entity, as a reference location device. The UE may receive positioning assistance data from a second network entity for a positioning session between the UE and a location server, the positioning assistance data indicating at least one or more positioning reference signal (PRS) resources of at least one PRS resource set of at least one transmission-reception point (TRP) of at least one positioning frequency layer, wherein the positioning assistance data is dedicated for use by UEs registered as reference location devices.

Abstract: Techniques are provided for configuring a user equipment (UE) to operate as a reference node. An example method of operating a user equipment as a reference node includes providing an indication of one or more reference node configuration options to a network entity, the one or more reference node configuration options comprising a registration configuration option indicating the user equipment is registered on a network as a reference node and a regular user equipment, receiving an indication to obtain positioning measurements based on the one or more reference node configuration options, obtaining one or more positioning measurements, and reporting the one or more positioning measurements to a positioning entity.

Abstract: In an aspect, a UE receives first positioning assistance data (AD). The UE transmits an indication to a network component (e.g., BS, core network component, LMF, etc.) that the UE has received the first positioning AD. The network component determines second positioning AD that is based at least in part upon the first positioning AD. The network component transmits the second positioning AD to the UE.

Abstract: An assistance data selection and use method includes: obtaining, at a user equipment, a plurality of assistance data sets each indicating a respective plurality of positioning reference signal resources; selecting, at the user equipment, a desired assistance data set from the plurality of assistance data sets based on positioning performance information; and either: transmitting, from the user equipment, a first positioning reference signal in accordance with the desired assistance data set; or receiving, by the user equipment, a second positioning reference signal in accordance with the desired assistance data set.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) transmits a first request assistance data message to a location server, the first request assistance data message comprising a request for first positioning assistance, receives a provide assistance data message from the location server, the provide assistance data message indicating that the location server is not currently able to provide the first positioning assistance, and transmits a second request assistance data message to the location server after expiration of a reattempt time from reception of the provide assistance data message, the second request assistance data message indicating a request for second positioning assistance, wherein the first positioning assistance is not received by the UE prior to the reattempt time.

Abstract: A reference signal transmission method includes: obtaining, at a first UE, a first configuration of a first resource pool that comprises a plurality of first OFDM resources for sidelink signal transfer; obtaining, at the first UE, a second configuration of a second resource pool that comprises a plurality of second OFDM resources for sidelink signal transfer, the second configuration of the second resource pool being different from the first configuration of the first resource pool; transmitting, from the first UE to a second UE, control information in one or more of the plurality of first OFDM resources of the first resource pool, the control information indicating one or more of the plurality of second OFDM resources of the second resource pool; and transmitting, from the first UE to the second UE, a reference signal in one or more third OFDM resources of the second resource pool.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives positioning reference signal (PRS) resources of a PRS instance, receives at least one symbol of a high priority downlink channel scheduled during a PRS processing window for the PRS instance, wherein the high priority downlink channel is determined to have high priority based on the high priority downlink channel being associated with a high priority uplink channel, and refrains from processing the PRS resources of the PRS instance during the PRS processing window based on one or more conditions related to prioritizing PRS processing, wherein the one or more conditions indicate that the UE does not expect to process the PRS resources of the PRS instance during the PRS processing window based on the at least one symbol of the high priority downlink channel being scheduled during the PRS processing window.

Abstract: A position information provision method includes: determining, at a UE, first estimated locations of a first plurality of satellite vehicles based on first satellite vehicle position information that has exceeded a first expiration time of the first satellite vehicle position information; determining, at the UE, a first position estimate based on the first estimated locations of the first plurality of satellite vehicles, and first measurements of first satellite vehicle signals received by the UE; and transmitting, from the UE to a network entity, the first position estimate, a first indication of the first plurality of satellite vehicles from which signals were used to determine the first position estimate, a second indication of the first satellite vehicle position information used to determine the first position estimate, and a third indication of a first time corresponding to the first position estimate.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) may receive first information identifying a plurality of positioning reference signal (PRS) resources. The UE may receive second information identifying a plurality of PRS measurement occasions in a time domain. The UE may receive third information identifying a plurality of sounding reference signals (SRSs) and their respective transmission occasions in the time domain. The UE may receive fourth information identifying, for each of the plurality of SRSs, one or more PRS resources as reference signals for the respective SRS. The UE may process PRS resources according to a prioritization scheme such that PRS resources that are reference signals for the respective SRS are prioritized over PRS resources that are not reference signals for the respective SRS.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) receives one or more positioning reference signal (PRS) configurations, performs a first set of positioning measurements of a first set of PRS resources indicated by a first PRS configuration for a normal mode positioning procedure, transmits a first measurement report for the normal mode positioning procedure, performs a second set of positioning measurements of a second set of PRS resources indicated by a second PRS configuration for a positioning reference unit (PRU) mode positioning procedure, and transmits a second measurement report for the PRU mode positioning procedure, wherein a number of the first set of positioning measurements is less than a number of the second set of positioning measurements.

Abstract: A network node supports position measurement determination for a user equipment (UE) by prioritizing positioning reference signal (PRS) resource measurements to be included in a location information report based on multipath characteristics of the PRS resources. The network node, for example, may be the UE, a base station, or a sidelink UE. The PRS resource measurements may be prioritized by determining a subset of available PRS resource measurements to include in and/or the order of inclusion in the location information report. The multipath characteristics of each PRS resource may be the number, a strength metric, or a time domain span of the multipath components, or any combination thereof. A location server may request the prioritization of the PRS resource measurements based on the multipath characteristics of the PRS resources and may use the order of the PRS resource measurements in the position determination for the UE.

Abstract: Techniques are provided for utilizing positioning reference signals (PRS) to determine a location of a wireless node. An example method for reporting positioning reference signals measurement values with a wireless node includes providing capabilities information including an indication of a number of positioning frequency layers to be included in a single measurement report, and an indication of a number of positioning frequency layers that can be measured simultaneously, receiving positioning assistance data comprising positioning reference signal configuration information, measuring positioning reference signals in the number of positioning frequency layers to be included in the single measurement report based at least in part on the positioning assistance data, and transmitting the single measurement report.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) operating in discontinuous reception (DRX) mode receives, from a location server, an anchor selection update message indicating that the UE has been selected as an anchor UE for a joint positioning session with one or more second UEs, wherein the UE is selected as the anchor UE based at least in part on the UE having DRX active time occasions closer to a plurality of measurement occasions for the joint positioning session than DRX active time occasions of the one or more second UEs, performs positioning measurements for the joint positioning session during one or more measurement occasions that overlap with the DRX active time occasions of the UE, and transmits, to the one or more second UEs, the positioning measurements, a location of the UE determined based on the positioning measurements, or both.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) receives a positioning reference signal (PRS) configuration indicating at least one or more PRS resources of one or more PRS resource sets, buffers a plurality of PRS instances during a plurality of PRS measurement windows, and processes the plurality of PRS instances during one or more PRS processing windows to determine one or more positioning measurements for a positioning session based on the plurality of PRS instances, wherein the one or more PRS processing windows are scheduled after an end of a last PRS measurement window of the plurality of PRS measurement windows, and wherein the one or more PRS processing windows each comprise a period of time during which the UE at least prioritizes PRS processing over reception, processing, or both of other downlink or sidelink signals and channels.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that provide managing transmissions of sidelink positioning reference signals (PRS) with a timing advance offset (TA) from a sidelink node. In aspects, a sidelink node (e.g., a target user equipment (UE) or an assisting UE) may receive transmissions from a plurality of nodes (e.g., target UEs or assisting UEs). The sidelink node obtains at least one TA to be used by a transmitting node of the plurality of nodes for transmitting a sidelink PRS to the sidelink node (e.g., to advance the sidelink PRS transmission to the sidelink node with respect to the timing of the first transmission). The TA is an offset obtained by the sidelink node based on the receiving times of the transmissions from the plurality of nodes. The sidelink node may receive PRS transmissions from the plurality of nodes in a same symbol aligned within the same CP.

Abstract: Disclosed is an arrangement for charging polarized atmospheric air (4) and polarized exhaust gas (7) simultaneously in internal combustion diesel engine (1) comprising of at least two polarizing cum filter mesh arrangement consisting of an inlet end and an outlet end; a cylindrical pipe; a plurality of pair of meshed discs as electrodes, insulating glasses; nylon rubber; a hose pipe (3,5) and a circuitry for providing DC power to the mesh disc electrodes; wherein said one polarizing cum filter mesh arrangement is (4) connected at outlet of intercooler (6) and inlet of the internal combustion engine for charging polarized atmospheric air to said engine and another said polarizing cum filter mesh arrangement is connected between the exhaust end of the internal combustion diesel engine and outlet of the inter cooler for charging polarized exhaust gases again back to the said internal combustion diesel engine through said intercooler.