HARQ procedure for cooperative relay in sidelink networks

    公开(公告)号:US12143223B2

    公开(公告)日:2024-11-12

    申请号:US17179283

    申请日:2021-02-18

    Abstract: Aspects are provided for HARQ feedback and retransmission procedures for cooperative relaying in sidelink networks. A relay attempts to decode sidelink data received from a source for relay to a destination. The relay may combine LLRs for the sidelink data and for a retransmission of the sidelink data. The relay determines a resource of a wireless channel for transmitting feedback to the source in response to the decoding attempt. If decoding is successful, the relay transmits the data to the destination. The destination then attempts to decode the data received from the relay. The destination may combine LLRs for the data and for a retransmission of the data. The destination determines a resource of a wireless channel for transmitting feedback to the relay in response to the decoding attempt. The resources are based on a relay identifier associated with the relay.

    Uplink power control prioritization in dual connectivity

    公开(公告)号:US12137492B2

    公开(公告)日:2024-11-05

    申请号:US18158888

    申请日:2023-01-24

    Abstract: Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for efficiently performing dynamic power control with minimal complexity in a dual connectivity mode. In particular, a user equipment (UE) may determine the reserved power (or maximum available power) for uplink transmissions on one or more cells in one cell group to a base station based on the total power available to the UE and the minimum reserved power for uplink transmissions on one or more cells in another cell group. Once the UE determines the reserved power for conflicting uplink transmissions on one or more cells in a cell group, the UE may allocate the reserved power to each uplink transmission on the one or more cells in the cell group (e.g., based on a priority of each of the uplink transmissions).

    Random access channel procedures with external assistance

    公开(公告)号:US12137476B2

    公开(公告)日:2024-11-05

    申请号:US17776640

    申请日:2019-11-14

    Abstract: A low complexity user equipment (UE) may be in communication with another UE (e.g., with a premium UE or more capable UE) via a device-to-device communication link (e.g., via sidelink), and the low complexity UE may leverage the device-to-device link to improve (e.g., simplify, expedite, etc.) random access procedures performed by the low complexity UE. For example, a low complexity UE may request contention free random access (CFRA) resources via the device-to-device link with another UE. Another device (e.g., another UE in device-to-device communication with the low complexity UE) may receive the request from the low complexity UE and forward the request to the network (e.g., to a base station). The network may then configure CFRA resources for the low complexity UE. Upon receiving the CFRA configuration, the low complexity UE may perform a random access procedure (e.g., a CFRA procedure) with the network (e.g., with the base station) accordingly.

    RELIABILITY ENHANCEMENTS FOR IMPLICIT BEAM SWITCH

    公开(公告)号:US20240340053A1

    公开(公告)日:2024-10-10

    申请号:US18580497

    申请日:2021-09-30

    CPC classification number: H04B7/0626 H04B7/06952 H04W72/046

    Abstract: This disclosure provides systems, methods, and devices for wireless communication that support reliability enhancements for implicit beam switching operations. In a first aspect, a method of wireless communication includes transmitting, by a wireless communication device, a channel state information (CSI) report using a first beam; monitoring, by the wireless communication device, for an implicit beam switch indication during a time window, the implicit beam switch indication corresponding to acceptance of Transmission Configuration Indicator (TCI) information indicated by the CSI report; and switching, by the wireless communication device, to a second beam from the first beam based on the implicit beam switch indication, the second beam different from the first beam. Other aspects and features are also claimed and described.

    Techniques for interleaving a transport block

    公开(公告)号:US12095558B2

    公开(公告)日:2024-09-17

    申请号:US17221520

    申请日:2021-04-02

    CPC classification number: H04L1/0069 H04L1/0058 H04L1/0071 H04L5/0082

    Abstract: Methods, systems, and devices for wireless communications are described. A base station may apply a scaling factor to a transport block of a first size, where the scaling factor may increase the transport block from the first size to a second size. The base station may interleave a set of parts of the transport block of the second size across a set of transmission time intervals (TTIs) in accordance with a transport block allocation pattern, where the set of TTIs may be contiguous or separated from each other by one or more intervening intervals. The base station may transmit, to a user equipment, an indication of the transport block allocation pattern applied to the transport block of the second size, and may transmit the set of parts of the transport block of the second size across the set of TTIs in accordance with the transport block allocation pattern.

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