Abstract: An apparatus and system for inter-UE coordination feedback for sidelink communications are described. In particular, inter-UE coordination feedback signaling for reliable sidelink communication including transmitter-based resource allocation and signaling of conflicts, prioritization of the inter-UE coordination feedback, and timing of the inter-UE coordination feedback are described. Sidelink hybrid acknowledgment request (HARQ) acknowledgment/negative acknowledgment (ACK/NACK) or NACK only signaling is prioritized over a half-duplex (HD) or co-channel collision (CC) feedback indication, and uplink transmissions are prioritized over sidelink transmissions. In response to detection of a conflict, the inter-UE coordination feedback is transmitted relative to the slot where the HD or CC event occurs or relative to the slot where reservation of the resources for the sidelink transmissions.

Abstract: An apparatus and system for new radio (NR) vehicle-to-everything (V2X) sidelink communications are described. UE procedures for transmission of standalone and non-standalone inter-UE coordination feedback and content, as well as for resource selection with the inter-UE coordination feedback are described. The content and container of the inter-UE coordination feedback are provided, in addition to the ordering of resource selection processes carrying the inter-UE coordination feedback and transmission priority and conditions of the inter-UE coordination feedback. The inter-UE coordination feedback request, initial pre-processing of the inter-UE coordination feedback, assisting UE selection, and resource selection are presented.

Abstract: A computer-readable storage medium stores instructions to configure a UE for sidelink operation in a 5G NR network, and to cause the UE to perform operations including encoding a first SCI for transmission. The first SCI includes a first resource reservation for a subsequent sidelink transmission by the UE in a pre-selected slot. A second SCI received from a second UE is decoded. The second SCI includes a second resource reservation for a subsequent sidelink transmission by the second UE in the pre-selected slot. A reservation conflict is detected based on the first resource reservation and the second resource reservation using the pre-selected slot. A third SCI is encoded for transmission based on the detection of the reservation conflict. The third SCI includes a modified version of the first resource reservation for the subsequent sidelink transmission by the UE.

Abstract: An apparatus and system for new radio (NR) vehicle-to-everything (V2X) sidelink communications are described. UE procedures for transmission of standalone and non-standalone inter-UE coordination feedback and content, as well as for resource selection with the inter-UE coordination feedback are described. The content and container of the inter-UE coordination feedback are provided, in addition to the ordering of resource selection processes carrying the inter-UE coordination feedback and transmission priority and conditions of the inter-UE coordination feedback. The inter-UE coordination feedback request, initial pre-processing of the inter-UE coordination feedback, assisting UE selection, and resource selection are presented.

Abstract: For example, a first device may calibrate a reference channel estimation based on a plurality of first channel estimation measurements, the plurality of first channel estimation measurements corresponding to first PPDUs received from a second device over a wireless channel, wherein two consecutive channel estimation measurements of the plurality of first channel estimation measurements are separated by no more than a first time interval; and determine a plurality of second channel estimation measurements for detection of a change in an environment of the wireless channel based on the reference channel estimation, wherein the plurality of second channel estimation measurements corresponds to a plurality of second PPDUs received from the second device over the wireless channel, wherein two consecutive channel estimation measurements of the plurality of second channel estimation measurements are separated by at least a second time interval, the second time interval is longer than the first time interval.

Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a PPDU including a training field. For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station may be configured to determine one or more Orthogonal Frequency Division Multiplexing (OFDM) Training (TRN) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG PPDU including a TRN field; generate one or more OFDM TRN waveforms in a time domain based on the one or more OFDM TRN sequences, respectively, and based on an OFDM TRN mapping matrix, which is based on a count of the one or more transmit chains; and transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the TRN field based on the one or more OFDM TRN waveforms.

Abstract: For example, a first device may calibrate a reference channel estimation based on a plurality of first channel estimation measurements, the plurality of first channel estimation measurements corresponding to first PPDUs received from a second device over a wireless channel, wherein two consecutive channel estimation measurements of the plurality of first channel estimation measurements are separated by no more than a first time interval; and determine a plurality of second channel estimation measurements for detection of a change in an environment of the wireless channel based on the reference channel estimation, wherein the plurality of second channel estimation measurements corresponds to a plurality of second PPDUs received from the second device over the wireless channel, wherein two consecutive channel estimation measurements of the plurality of second channel estimation measurements are separated by at least a second time interval, the second time interval is longer than the first time interval.

Abstract: A non-transitory computer-readable storage medium stores instructions for execution by one or more processors of a UE. The instructions configure the UE for low latency NR positioning in a 5G NR network and cause the UE to perform operations comprising decoding configuration signaling received from a base station. The configuration signaling includes measurement gap information and scheduling information for a UE measurement report. A downlink (DL) positioning reference signal (PRS) received from the base station is decoded. Positioning measurements are performed using the DL PRS. The positioning measurements are performed based on a measurement gap corresponding to the measurement gap information. The UE measurement report is encoded for a UL transmission to the base station based on the scheduling information. The UE measurement report includes the positioning measurements.

Abstract: This disclosure describes methods, apparatus, and systems related to media access control (MAC) range extension. A device may cause to append a training field to each of one or more beacon frames. The device may cause to send the one or more beacon frames directionally using a sector sweep to one or more responder devices during a first interval. The device may determine an extended schedule element to be sent to the one or more responder devices, the extended schedule element including one or more directional antenna sectors to be used by the device during a second interval. The device may identify a first frame from a first responder device, during the second interval, wherein the first frame is received on a directional antenna sector of the one or more directional antenna sectors corresponding to an operating sector of the first responder device.

Abstract: An apparatus and system for new radio (NR) vehicle-to-everything (V2X) sidelink communications are described. A UE receives, from an assisting UE, inter-UE coordination feedback that contains a preferred resource set and a non-preferred resource set based on a reference configuration and uses preferred resources for the V2X sidelink communications. The preferred resources are dependent on the reference configuration and a resource selection configuration of the UE.

Abstract: An apparatus and system of user equipment (UE) location determination using Transmission-Reception Points (TRPs) are described. Uplink angle of arrival (UL-AoA). UL relative time of arrival (UL-RTOA), and/or UL sounding reference signal reference signal received power (SRS-RSRP) measurements use an UL Antenna Reference Point (ARP) identifier (ID), which is associated with a UL ARP location (TRP panel) that is relative to the TRP geographical coordinates. The Location Management Function (LMF) requests additional path reporting for UE positioning for downlink Time Difference of Arrival (DL-TDOA), UL-TDOA, and multi-round trip time (RTT) reporting. The additional path information includes relative time difference and path quality indicator values and possibly a path RSRP value. The LMF indicates a maximum number of additional paths to be reported. The expected value and uncertainty range for each TRP is reported for downlink angle of departure (DL-AoD) measurements.

Abstract: A non-transitory computer-readable storage medium stores instructions for execution by one or more processors of a UE. The instructions configure the UE for low latency NR positioning in a 5G NR network and cause the UE to perform operations comprising decoding configuration signaling received from a base station. The configuration signaling includes measurement gap information and scheduling information for a UE measurement report. A downlink (DL) positioning reference signal (PRS) received from the base station is decoded. Positioning measurements are performed using the DL PRS. The positioning measurements are performed based on a measurement gap corresponding to the measurement gap information. The UE measurement report is encoded for a UL transmission to the base station based on the scheduling information. The UE measurement report includes the positioning measurements.

Abstract: An apparatus of a transmitter may include, for example, a Golay builder to build modulated Golay sequences for at least a non-EDMG Short Training Field (L-STF), and a non-EDMG Channel Estimation Field (L-CEF) of a PPDU; a scrambler to generate scrambled bits by scrambling bits of a non-EDMG header (L-header) and a data field of the PPDU; an encoder to encode the scrambled bits into encoded bits according to a low-density parity-check (LDPC) code; a constellation mapper to map the encoded bits into a stream of constellation points according to a constellation scheme; a spreader to spread the stream of constellation points according to a Golay sequence; and a transmit chain mapper to map a bit stream output from the Golay builder and the spreader to a plurality of transmit chains by applying a spatial expansion with relative cyclic shift over the plurality of transmit chains.

Abstract: A computer-readable storage medium stores instructions to configure a UE for sidelink operation in a 5G NR network, and to cause the UE to perform operations including encoding a first SCI for transmission. The first SCI includes a first resource reservation for a subsequent sidelink transmission by the UE in a pre-selected slot. A second SCI received from a second UE is decoded. The second SCI includes a second resource reservation for a subsequent sidelink transmission by the second UE in the pre-selected slot. A reservation conflict is detected based on the first resource reservation and the second resource reservation using the pre-selected slot. A third SCI is encoded for transmission based on the detection of the reservation conflict. The third SCI includes a modified version of the first resource reservation for the subsequent sidelink transmission by the UE.

Abstract: An apparatus and system for inter-UE coordination feedback for sidelink communications are described. In particular, inter-UE coordination feedback signaling for reliable sidelink communication including transmitter-based resource allocation and signaling of conflicts, prioritization of the inter-UE coordination feedback, and timing of the inter-UE coordination feedback are described. Sidelink hybrid acknowledgment request (HARQ) acknowledgment/negative acknowledgment (ACK/NACK) or NACK only signaling is prioritized over a half-duplex (HD) or co-channel collision (CC) feedback indication, and uplink transmissions are prioritized over sidelink transmissions. In response to detection of a conflict, the inter-UE coordination feedback is transmitted relative to the slot where the HD or CC event occurs or relative to the slot where reservation of the resources for the sidelink transmissions.

Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a PPDU including a training field. For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station may be configured to determine one or more Orthogonal Frequency Division Multiplexing (OFDM) Training (TRN) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG PPDU including a TRN field; generate one or more OFDM TRN waveforms in a time domain based on the one or more OFDM TRN sequences, respectively, and based on an OFDM TRN mapping matrix, which is based on a count of the one or more transmit chains; and transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the TRN field based on the one or more OFDM TRN waveforms.

Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Physical Layer Protocol Data Unit (PPDU). For example, an EDMG wireless communication station (STA) may be configured to communicate an EDMG PPDU including a Channel Estimation Field (CEF) and/or a pilot sequence, which may be configured for an OFDM mode.

Abstract: A computer-readable storage medium stores instructions to configure a UE for sidelink operation in a 5G NR network, and to cause the UE to perform operations including decoding a first sidelink transmission received from a second UE. The first sidelink transmission includes a first resource reservation for a subsequent sidelink transmission by the second UE. A second sidelink transmission received from a third UE is decoded. The second sidelink transmission includes a second resource reservation for a subsequent sidelink transmission by the third UE. A co-channel collision is detected based on the first resource reservation and the second resource reservation being in a same sidelink slot. A feedback message is encoded for transmission to the second UE and the third UE. The feedback message indicates the co-channel collision.

Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a PPDU including a training field. For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station may be configured to determine one or more Orthogonal Frequency Division Multiplexing (OFDM) Training (TRN) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG PPDU including a TRN field; generate one or more OFDM TRN waveforms in a time domain based on the one or more OFDM TRN sequences, respectively, and based on an OFDM TRN mapping matrix, which is based on a count of the one or more transmit chains; and transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the TRN field based on the one or more OFDM TRN waveforms.

Abstract: This disclosure describes systems, methods, and devices related to scheduled multi-user multiple-input multiple-output (MU-MIMO) acknowledgement. A device may determine a block acknowledgment schedule associated with one or more destination devices. The device may cause to send a multi-user multiple-input multiple-output (MU-MIMO) frame including the block acknowledgment schedule. The device may identify one or more acknowledgment frames received from at least one of the one or more destination devices based on the block acknowledgment schedule.