Techniques for mapping coded bits to different channel reliability levels for low density parity check codes

    公开(公告)号:US11984979B1

    公开(公告)日:2024-05-14

    申请号:US18155437

    申请日:2023-01-17

    CPC classification number: H04L1/0063 H04L1/0009 H04L1/0071

    Abstract: Methods, systems, and devices for wireless communications are described. In some examples, a transmitting device may generate a parity check matrix based on performing a lifting operation on a base matrix. Each column of the base matrix may correspond to a different variable node and each row may correspond to a different check node. The transmitting device may then generate a set of coded bits based on the parity check matrix and each coded bit of the set of coded bits may be associated with a respective variable node. Further, the transmitting device may interleave the set of coded bits such that subsets of the set of coded bits associated with a same variable node are mapped to a same channel reliability level and transmit the set of coded bits according to the interleaving.

    Redundancy version configuration for URLLC DCI format

    公开(公告)号:US11979886B2

    公开(公告)日:2024-05-07

    申请号:US17331214

    申请日:2021-05-26

    CPC classification number: H04W72/23

    Abstract: Example implementations include a method, apparatus and computer-readable medium of wireless communication, including receiving a configuration of one or more downlink control information (DCI) formats to include a single bit for a redundancy version field. The implementations further include receiving a radio resource control (RRC) message indicating selectable redundancy versions. Additionally, the implementations further include detecting a DCI based on the one or more DCI formats including the single bit for the redundancy version field, the DCI scheduling a transmission. Additionally, the implementations further include selecting a redundancy version from the selectable redundancy versions based on the single bit. Additionally, the implementations further include encoding or decoding the transmission based on the redundancy version.

    Delayed HARQ-ACK design under dynamic SFI

    公开(公告)号:US11979239B2

    公开(公告)日:2024-05-07

    申请号:US17486884

    申请日:2021-09-27

    CPC classification number: H04L1/1854 H04L1/1812 H04W72/0446 H04W72/23

    Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to mechanisms for using block acknowledgments to acknowledge semi-persistently scheduled (SPS) occasions from multiple SPS configurations. An example method generally includes identifying a slot or subslot scheduled for reporting acknowledgment feedback for an SPS physical downlink shared channel (PDSCH). The method identifies that one or more symbols of the identified slot or subslot that are scheduled to transmit a physical uplink control channel (PUCCH) containing the acknowledgment feedback are semi-static flexible symbols. The method further monitors for a dynamic slot format indicator (SFI) dynamically configuring one or more of the semi-static flexible symbols of the slot or subslot as downlink, uplink, or flexible. The method then decides whether to report the acknowledgment feedback in the scheduled slot or subslot, in a subsequent slot or subslot, or both, based on the monitoring.

    TECHNIQUES FOR ENHANCED SOUNDING REFERENCE SIGNAL MULTIPLEXING

    公开(公告)号:US20240137256A1

    公开(公告)日:2024-04-25

    申请号:US18048778

    申请日:2022-10-20

    CPC classification number: H04L27/2613 H04L5/0051

    Abstract: Techniques and devices for wireless communications are described. A user equipment (UE) may receive a configuration from a network entity for multiplexing a reference signal with a data signal in time and in frequency or for multiplexing the reference signal in a Doppler domain. The UE may receive an assignment of multiple time-frequency resources from the network entity for transmission of the reference signal. The UE may multiplex the reference signal across the assigned time-frequency resources in accordance with the received configuration. The UE may transmit the multiplexed reference signal to the network entity.

    Techniques for reference signal bundling in sidelink channels

    公开(公告)号:US11968142B2

    公开(公告)日:2024-04-23

    申请号:US17405899

    申请日:2021-08-18

    CPC classification number: H04L5/0048 H04L25/0202 H04W92/18

    Abstract: Methods, systems, and devices for wireless communication are described, including techniques for utilizing implicit or explicit signaling to indicate a cancellation of demodulation reference signal (DMRS) bundling. A first user equipment (UE) may perform DMRS bundling across physical sidelink channels transmitted to a second UE to enable the second UE to perform joint channel estimation. In some examples, based on a detected change, either at the first UE or the second UE, the first UE may signal to the second UE that the DMRS bundling is canceled. In some examples, the detected change may be a resource allocation change, a physical channel configuration change, a change in a quasi-colocation (QCL) relationship at the first UE, or a change in a transmission configuration indicator (TCI) state at the first UE. Additionally or alternatively, the first UE or the second UE may request the cancellation based on detected changes.

    TECHNIQUES FOR SCHEDULING USING TWO-STAGE CONTROL MESSAGES

    公开(公告)号:US20240129927A1

    公开(公告)日:2024-04-18

    申请号:US18046795

    申请日:2022-10-14

    CPC classification number: H04W72/1289 H04W72/1284

    Abstract: Methods, systems, and devices for method for wireless communication are described. A user equipment (UE) may receive a first downlink control information scheduling a set of time and frequency resources to a set of downlink shared channel occasions. The UE may also receive, during a first downlink shared channel occasion of the set of downlink shared channel occasions, a second downlink control information indicating a first set of communication parameters specific to a downlink message associated with the first downlink shared channel occasion. The UE may then receive the downlink message during the first downlink shared channel occasion using the first set of communication parameters based on the second downlink control information.

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