Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may transmit, and a user equipment (UE) may receive, signaling indicating one or more common timing offset parameters that are based at least in part on one or more delays between a satellite and a reference point in a non-terrestrial network (NTN). The UE may determine a transmit time for an uplink signal based at least in part on the one or more common timing offset parameters and a starting time associated with an uplink slot in which the uplink signal is to arrive at the reference point. The UE may transmit the uplink signal at the transmit time. Numerous other aspects are described.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a radio access network (RAN) node transmits a positioning reference signal (PRS) offset configuration to a location server, the PRS offset configuration indicating one or more parameters specifying at least a timing offset of one or more PRS resources transmitted by the RAN node, wherein the timing offset is relative to a PRS time offset point within a frame, subframe, or slot of the RAN node, wherein the PRS time offset point is configured to at least one user equipment (UE) to indicate a transmission time of the one or more PRS resources with respect to a start of the frame, subframe, or slot, and transmits the one or more PRS resources to the at least one UE according to at least the timing offset.

Abstract: This disclosure provides systems, methods and apparatus for enabling multi-TRP transmission in non terrestrial networks. In one aspect, a user equipment receives a first reference signal from a first satellite transmission reception point (TRP) at a first timing and receives a second reference signal from a second satellite TRP at a second timing. The first timing is synchronized with the second timing at a first geographic location. The user equipment receives a third reference signal from the first satellite TRP at a third timing and receives a fourth reference signal from the second satellite TRP at a fourth timing. The third timing and the fourth timing are synchronized at the user equipment. The user equipment receives an indication of a timing offset of the fourth reference signal with respect to the second reference signal and uses the third and fourth reference signals as a quasi colocation (QCL) source.

Abstract: Certain aspects of the present disclosure provide techniques for interference measurement in a reverse spectrum sharing environment. An example method includes communicating via a first set of frequency resources allocated for uplink communications associated with a first cell; communicating via a second set of frequency resources allocated for downlink communications associated with the first cell; obtaining an indication of a measurement occasion associated with measurement of interference in the second set of frequency resources, wherein the measurement occasion is arranged in time relative to first signaling associated with a second cell; and monitoring for the interference during at least the measurement occasion.

Abstract: A method for Doppler-shifted signals comprises: obtaining, at an apparatus, first and second indications of first and second frequency ranges of first and second positioning signals expected to be affected by Doppler shift and expected to be received by a mobile device, wherein a third frequency range extends from a minimum frequency of a combination of the first and second frequency ranges to a maximum frequency of the combination of the first and second frequency ranges; and determining, at the apparatus and based on the third frequency range being greater than a processable-frequency span of positioning signal frequencies concurrently processable by the mobile device, frequency-processing windows, for the mobile device to use to process the first positioning signal and the second positioning signal, based on the processable-frequency span and at least one of: (1) the third frequency range; or (2) the first frequency range and the second frequency range.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, a transmission configuration associated with a set of transmission occasions comprising two or more transmission occasions that are each associated with a set of resources for contention-based transmissions. The UE may transmit, to the network node, a plurality of copies of a message in a plurality of transmission occasions selected from the set of transmission occasions, wherein each copy of the message is transmitted in a resource selected from the set of resources, and wherein each copy of the message includes a reference associated with one or more other copies of the message. Numerous other aspects are described.

Abstract: In an aspect, a user equipment (UE) may obtain positioning resource pool information including an indication of a set of one or more position-navigation-timing (PNT) cells and a corresponding set of one or more positioning reference signal (PRS) resources associated with each PNT cell, wherein the set of one or more PRS resources correspond to non-terrestrial network (NTN) positioning resources transmitted by NTN anchors, and wherein each PNT cell of the set of one or more PNT cells corresponds to a geographical area, one or more serving cells, one or more transmission-reception points (TRPs), or a combination thereof. The UE may obtain NTN positioning resource measurements based on a set of one or more PRS resources corresponding to the PNT cell with which the UE is currently associated.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration for a group of transmission occasions (TOs) that includes two or more TOs, each TO in the group of TOs including a set of resources shared by one or more UEs for contention-based data or access signal transmissions. The UE may perform at least one data or access signal transmission in a first TO in the group of TOs using a resource from the set of resources. The start time of the first TO may be in accordance with the presence of a transmission gap in a prior TO of the group of TOs. For example, a transmission gap may be caused by the presence of an overlapping narrowband physical random access channel resource or an uplink gap for UEs to synchronize timing with downlink communications.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine, after an update to a location or a velocity of the UE, a closed-loop frequency pre-compensation and an open-loop frequency pre-compensation. The UE may transmit, after the update to the location or the velocity of the UE, an uplink signal using a frequency pre-compensation that is based at least in part on the closed-loop frequency pre-compensation and the open-loop frequency pre-compensation. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. In some examples, a first UE may receive multiple instances of an SRS from a second UE via consecutive symbols. The second UE may apply a cyclic shift and may add a cyclic prefix to each instance of the SRS such that the second UE periodically transmits the SRS across the symbols. The first UE may monitor the symbols during an observation window to receive a portion of a first instance of the SRS and a portion of a second instance of the SRS. In some examples, the combination of the portion of the first instance of the SRS and the portion of the second instance of the SRS may comprise a full period of an instance of the SRS. Accordingly, the first UE may measure interference using the SRS and transmit a report indicating interference information.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may transmit, and a user equipment (UE) may receive, signaling indicating one or more common timing offset parameters that are based at least in part on one or more delays between a satellite and a reference point in a non-terrestrial network (NTN). The UE may determine a transmit time for an uplink signal based at least in part on the one or more common timing offset parameters and a starting time associated with an uplink slot in which the uplink signal is to arrive at the reference point. The UE may transmit the uplink signal at the transmit time. Numerous other aspects are described.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a first transmission-reception point (TRP) receives a positioning reference signal (PRS) configuration for a second TRP, wherein the PRS configuration indicates at least one or more PRS resources transmitted by the second TRP, and refrains from scheduling downlink transmissions during a scheduling restriction interval for the one or more PRS resources, wherein the scheduling restriction interval comprises a set of adjacent time intervals around each of the one or more PRS resources that is configured to be muted based on the downlink transmissions during the one or more PRS resources being muted.

Abstract: Methods, systems, and devices for wireless communications are described. A network may configure multiple transmission occasions (TOs) of a TO group such that the TOs do not occupy the same time resources (e.g., do not overlap in time). In some examples, the network may configure the TOs such that the TOs do not overlap in time with response windows for response messages. In some examples, a user equipment (UE) may not be expected to send transmissions (e.g., via TOs) and receive messages in the same time resources. In some examples, the UE may not send retransmissions for one access procedure if another access procedure has been resolved (e.g., if the UE has received a contention resolution indication corresponding to another TO in the group). Upon receiving a contention resolution indication, the UE may stop any other contention resolution timers, and send an acknowledgement message for the resolved access procedure.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives configuration information for a two-part positioning reference signal (PRS) transmitted by a transmission point, wherein the two-part PRS comprises a first part PRS and a second part PRS separated by a time gap, attempts to detect the first part PRS based on the configuration information, and obtains a positioning measurement of the second part PRS based on detection of the first part PRS and the configuration information.

Abstract: Techniques are provided for determining a positioning reference signal (PRS) search window to enable positioning of a wireless node. An example method for determining a positioning reference signal search window includes receiving assistance data including search window subframe offset information, receiving a first positioning reference signal at a first time, determining a search window for a second positioning reference signal based at least in part on the first time and the search window subframe offset information, and receiving the second positioning reference signal at a second time, wherein the second time is proximate to the search window.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an early data transmission (EDT) communication. The UE may receive a response communication that indicates: a successful content resolution of the EDT communication, and a UE-specific C-RNTI. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration for a group of transmission occasions comprising more than one transmission occasion, each transmission occasion in the group of transmission occasions comprising a set of resources shared by a plurality of UEs for contention-based data or access signal transmissions. The UE may perform at least one data or access signal transmission in at least one transmission occasion in the group of transmission occasions and using a resource from the set of resources of the at least one transmission occasion. The UE may monitor for at least one response message based at least in part on the at least one data or access signal transmission.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a network entity may determine a frequency domain search window corresponding to an expected Doppler frequency shift offset and an expected Doppler frequency shift offset uncertainty for at least one positioning reference signal (PRS) resource associated with at least one non-terrestrial transmission-reception point (NT-TRP) for a positioning session. The network entity may measure the at least one PRS resource in the frequency domain search window during the positioning session.

Abstract: Aspects described herein relate to receiving an update value for a timing advance of a satellite link between the UE and a base station, computing, based on the update value for the timing advance, a portion of a timing difference between the update value and a previous value for the timing advance of the satellite link that is corrected by closed loop timing advance control from the base station, computing, based at least in part on computing the portion, a total value for the timing advance of the satellite link, and applying, at the UE and based at least in part on the total value for the timing advance of the satellite link and the closed loop timing advance control, an applied timing advance for communicating with the base station.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) receives, from a location server, assistance data for a positioning procedure, obtains a frequency offset measurement of one or more positioning reference signal (PRS) resources transmitted by at least one transmission-reception point (TRP) based on the assistance data, and enables a location of the UE to be determined based, at least in part, on the frequency offset measurement.