TECHNIQUES FOR TRAFFIC STEERING BETWEEN ACCESS LINKS AND SIDELINKS IN WIRELESS COMMUNICATIONS SYSTEMS

    公开(公告)号:US20220248421A1

    公开(公告)日:2022-08-04

    申请号:US17168143

    申请日:2021-02-04

    Inventor: Linhai He

    Abstract: Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for a user equipment (UE) to receive a logical channel configuration indicating whether logical channels at the UE are configured to use an access link, a sidelink, or both. A UE may determine that data is available on one or more logical channels and may transmit a buffer status report and a scheduling request to a base station based on the determination. In response, the base station may transmit an uplink grant to the UE allocating resources for transmitting the available data based on the logical channel configuration. The UE may transmit the available data on the access link, the sidelink, or both, based on the received uplink grant, the logical channels to which the available data applies, and the logical channel configuration.

    Validation rules for random access message transmission occasions

    公开(公告)号:US11363641B2

    公开(公告)日:2022-06-14

    申请号:US16933921

    申请日:2020-07-20

    Abstract: Certain aspects of the present disclosure provide techniques for validation rules for message transmission occasions. In some cases, a user equipment (UE) may select a random access message transmission occasion for a preamble and a payload of a random access message, wherein the random access message transmission occasion comprises a preamble occasion and a payload occasion, select a preamble sequence for the preamble to transmit in the preamble occasion of the random access message transmission occasion of a two-step random access channel (RACH) procedure, select at least one resource unit (RU) for transmitting the payload in the payload occasion, validate the selected random access message transmission occasion based on one or more criteria, and transmit the preamble sequence and the payload in the selected message transmission occasion if the selected random access message transmission occasion is validated.

    Techniques for buffer status report and scheduling request in new radio

    公开(公告)号:US11356882B2

    公开(公告)日:2022-06-07

    申请号:US16925002

    申请日:2020-07-09

    Abstract: Various techniques are proposed to enhance or expand the capabilities or usage of buffer status request (BSR) and scheduling request (SR) in new radio (NR) applications. In an implementation, techniques are proposed to extend the SR in long term evolution (LTE) baseline with additional information to help a base station (e.g., gNB) schedule faster and more efficiently. Moreover, a new BSR triggering condition is proposed to report new data based on particular events instead of being time-based. Modifications being proposed to both BSR and SR can be customized for different numerologies/transmission time intervals (TTIs). Modifications being proposed to SR can also be used to indicate a user equipment (UE) new beam selection after recovering from a beam failure.

    CONFIGURED GRANT SCHEDULING REQUEST

    公开(公告)号:US20220061084A1

    公开(公告)日:2022-02-24

    申请号:US17406039

    申请日:2021-08-18

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may determine a recommended configuration for a configured grant that is to be received, at least in part, via radio resource control messaging. The UE may transmit, to a base station, one or more messages indicating the recommended configuration for the configured grant at the UE. The one or more messages may include at least one of a configured grant-specific scheduling request or a configured grant-specific control element. In some cases, at least one of the configured grant-specific scheduling request or the configured grant-specific control element may be formatted for association with grants that are received, at least in part, via radio resource control messaging. The UE may receive, from the base station, a configuration for the configured grant based on the recommended configuration.

    Random access response window ambiguity for multiple message1 transmissions

    公开(公告)号:US11202319B2

    公开(公告)日:2021-12-14

    申请号:US16287508

    申请日:2019-02-27

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit two or more connection requests prior to expiration of a UE connection response window. In some examples, the UE may re-set a UE connection response window each time the UE transmits a connection request. In some examples, the base station and UE may set their respective connection response windows after the UE transmits connections requests in a set of consecutive transmission opportunities. In some examples, the base station and UE may set their respective connection response windows based at least in part on a first available transmission opportunity. In some examples, the UE may include an indication of a position in a transmission sequence in the connection response, and the base station may set the UE connection response window based at least in part on the indication.

    PAGING PROCEDURES WITH INCREASED GRANULARITIES

    公开(公告)号:US20210360579A1

    公开(公告)日:2021-11-18

    申请号:US17302074

    申请日:2021-04-22

    Abstract: Provided herein are various techniques and solutions to paging user equipment (UE). In particular, paging at higher levels of granularity, such as a beam level, for low mobility or stationary UEs in inactive and/or idle states are described. An apparatus may be configured to receive, from a network, a message configuring at least one beam notification area associated with positioning of the apparatus. The at least one beam notification area may include a set of beams corresponding to a set of cells identified by the network as candidates for carrying a paging message for the apparatus in the at least one beam notification area. The apparatus may be further configured to receive the paging message from the network via one of the set of beams corresponding to one of the set of cells in which the apparatus is positioned based on the at least one beam notification area.

    SEMI-INDEPENDENT DISCONTINUOUS RECEPTION GROUPS

    公开(公告)号:US20210298114A1

    公开(公告)日:2021-09-23

    申请号:US17203575

    申请日:2021-03-16

    Abstract: Methods, systems, and devices for wireless communications are described. A semi-independent discontinuous reception (DRX) group configuration for a user equipment (UE) configured to communicate on at least a primary DRX group (PDG) and a secondary DRX group (SDG). The UE and a base station may implement a DRX coupling rule to ensure the PDG is in an active mode when the SDG is in an active mode. In some examples, the PDG, the SDG, or both may be configured for DRX long cycles, DRX short cycles, or both. The UE may determine active or inactive mode timers of each semi-independent DRX group. In some cases, the UE may trigger or extend an active mode of the PDG when an SDG active mode is triggered. Additionally, the UE may end an active mode of the SDG when an active mode of the PDG expires.

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