Techniques for performing rate matching around resource elements used for tone reservation

    公开(公告)号:US11671877B2

    公开(公告)日:2023-06-06

    申请号:US17213188

    申请日:2021-03-25

    Abstract: Methods, systems, and devices for wireless communications are described. A base station may determine to apply tone reservation to a downlink transmission from the base station to a user equipment (UE), and may select to rate match data of the downlink transmission around selected resource elements for the tone reservation instead of puncturing the data of the downlink transmission. The base station may transmit, to the UE, a message indicating that tone reservation is applied to the downlink transmission via rate matching, and transmit the downlink transmission including the data rate matched around the selected resource elements used for tone reservation. The UE may identify the selected resource elements used for tone reservation based on an estimation of a channel between the UE and the base station, and decode the data of the downlink transmission via rate matching around the selected resource elements used for tone reservation.

    POWER AMPLIFIER MODEL ESTIMATION FOR DIGITAL POST DISTORTION IN MULTI-ANTENNA DEVICES

    公开(公告)号:US20230163794A1

    公开(公告)日:2023-05-25

    申请号:US17531499

    申请日:2021-11-19

    CPC classification number: H04B1/0475 H04B7/06

    Abstract: Methods, systems, and devices for wireless communications are described. The methods include a base station mapping transmitter antennas to one of a set of multiple antenna groups based on a power amplifier response of one or more transmitter antennas, determining a power amplifier model for one or more antenna groups based on the power amplifier response of the one or more transmitter antennas, and transmitting an indication of the power amplifier model for one or more antenna groups to a UE. The methods include the UE determining a power amplifier model for a transmitter antenna of the set of transmitter antennas based on the indication of the power amplifier model and communicating with the base station based on the power amplifier model for the transmitter antenna.

    Method for physical layer secured message scrambling

    公开(公告)号:US11659383B2

    公开(公告)日:2023-05-23

    申请号:US17180596

    申请日:2021-02-19

    CPC classification number: H04W12/037 H04L5/0055 H04W12/041 H04W12/63

    Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may communicate, with a second wireless device, a first set of messages of a first message type that are acknowledged according to an acknowledgement procedure. The first wireless device, the second wireless device, or both may select a first subset of messages of the first plurality of messages and a first subset of bits from each message of the first subset of messages based on the first set of messages being acknowledged and according to a sampling configuration common to both the first wireless device and the second wireless device. The first wireless device, the second wireless device, or both may generate a key using bit values of the first subset of bits from each message of the first subset of messages, encoding a message using the key, and communicate the encoded message.

    COMMUNICATION RESOURCE ALLOCATION FOR RATELESS CODING

    公开(公告)号:US20230155728A1

    公开(公告)日:2023-05-18

    申请号:US17529226

    申请日:2021-11-17

    CPC classification number: H04L1/0058

    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for mapping coding indices associated with a rateless coding scheme to respective sets of communication resources over which a transmitting device may perform transmissions of portions of a message corresponding to each of the coding indices. In some aspects, for example, different coding indices may correspond to different cumulative portions of the message and the transmitting device may transmit a first cumulative portion of the message corresponding to a first coding index over a first set of communication resources to which the first coding index is mapped. The transmitting device may signal an indication of such a resource mapping scheme to a receiving device and the receiving device may attempt to decode transmissions of one or more cumulative portions of the message using the indicated resource mapping scheme.

    TRANSMISSION PUNCTURING SCHEMES FOR RATELESS CODING

    公开(公告)号:US20230155719A1

    公开(公告)日:2023-05-18

    申请号:US17529223

    申请日:2021-11-17

    CPC classification number: H04L1/0013 H04L1/0025 H04L1/0003

    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for signaling mechanisms associated with transmission puncturing schemes for rateless coding. In some aspects, a transmitting device may encode a message using a rateless code associated with a cumulative encoding of various portions of the message and may perform transmission puncturing to adapt a bit rate of related signal transmissions. The transmitting device may signal an indication of the transmission puncturing scheme, and potentially one or more modifications to the transmission puncturing scheme, to a receiving device via control signaling. The transmitting device may modify the transmission puncturing scheme in accordance with prioritizing retransmissions for some cumulative portions of the message ahead of other cumulative portions, such as by granting prioritized cumulative portions of the message relatively earlier transmission occasions in the transmission puncturing scheme.

    Measurement reporting for full-duplex multi-beam communications

    公开(公告)号:US11616560B2

    公开(公告)日:2023-03-28

    申请号:US17317028

    申请日:2021-05-11

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a first set of signal strength metrics for signal strengths of transmit beams of a base station using receive beams of the UE. The UE may identify a second set of signal strength metrics for signal strengths of transmit beams of the UE using receive beams of the UE. The UE may transmit an indication of the first set of signal strength metrics and the second set of signal strength metrics to the base station. The UE may communicate with the base station based at least in part on the indication.

    TECHNIQUES FOR BANDWIDTH-LIMITED ENVELOPE TRACKING USING DIGITAL POST DISTORTION

    公开(公告)号:US20230091116A1

    公开(公告)日:2023-03-23

    申请号:US17479694

    申请日:2021-09-20

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit a capability message indicating a capability of the UE to perform bandwidth-limited envelope tracking or a capability of the UE to compensate for bandwidth-limited envelope tracking distortion. The UE may receive a request for the UE to activate bandwidth-limited envelope tracking or a request for the UE to compensate for bandwidth-limited envelope tracking distortion. In some examples, the UE may transmit an uplink message using a bandwidth-limited envelope tracking configuration. In other examples, the UE may receive a downlink message and use digital post distortion (DPoD) to correct bandwidth-limited envelope tracking distortions in the downlink message. Aspects of the present disclosure may enable the UE to use bandwidth-limited envelope tracking and DPoD for wideband signal transmissions, which may result in lower power consumption at the UE.

    PHASE NOISE (PN) MITIGATION PILOT ALLOCATION ON A SINGLE COMPONENT CARRIER (CC) FOR PN MITIGATION ON MULTIPLE CCs

    公开(公告)号:US20230053678A1

    公开(公告)日:2023-02-23

    申请号:US17405403

    申请日:2021-08-18

    Abstract: Certain aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for phase noise (PN) mitigation on multiple component carriers (CCs). A method that may be performed by a user equipment (UE) includes estimating impairments (e.g., common phase error (CPE) and/or inter-carrier interference (ICI)) caused by PN for only a first CC configured for the UE, wherein the first CC is configured with pilots for PN mitigation and mitigating the PN on each CC for all CCs configured for the UE based, at least in part, on the estimated impairments for the first CC.

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