Increasing preamble transmission opportunities for random access in unlicensed band

    公开(公告)号:US12082260B2

    公开(公告)日:2024-09-03

    申请号:US17430170

    申请日:2019-02-14

    CPC classification number: H04W74/0833 H04W16/14

    Abstract: In accordance with some embodiments, a method may include selecting, by a user equipment, at least one random access occasion associated with at least one contention based random access resource and at least one random access occasion associated with at least one contention free random access resource. The method may further include detecting, by the user equipment, a predetermined number of listen before talk failures associated with one or more of the at least one random access occasion associated with at least one contention free random access resource. The method may further include transmitting, by the user equipment, in response to detecting a predetermined number of listen before talk failures, according to the selected at least one random access occasion associated with at least one contention based random access resource.

    FACILITATING USER EQUIPMENT BEAMFORMING CONTROL

    公开(公告)号:US20230299467A1

    公开(公告)日:2023-09-21

    申请号:US17975369

    申请日:2022-10-27

    CPC classification number: H01Q1/246 G06F1/1698 H04B7/0617

    Abstract: Methods and apparatus, including computer program products, are provided for beamforming control. In some example embodiments, there may be provided a method. The method may include providing, by a user equipment configured to include a plurality of antenna panels, capability information to a base station, the capability information including antenna panel information regarding the plurality of antenna panels; and providing, by the user equipment, antenna panel usage information to the base station, the antenna panel usage information indicative of which of the plurality of antenna panels are in at least one of an active transmit state or an active receive state.
    Related systems, methods, and articles of manufacture are also disclosed.

    RECEIVING RANDOM ACCESS RESPONSE WITH EXTENDED RESPONSE WINDOW

    公开(公告)号:US20230247679A1

    公开(公告)日:2023-08-03

    申请号:US18132546

    申请日:2023-04-10

    CPC classification number: H04W74/0833 H04W72/23

    Abstract: Method, apparatuses, and computer program product for addressing random access responses with extended response windows. One method may include accessing, by a user equipment, a network by sending a random access channel preamble to a network element. The method may also include receiving, in response to the random access channel preamble, a random access response from the network element. The random access response provides an indication of which random access channel occasion in time within a span of one or a plurality of radio frames the random access response applies.

    Time-Domain Positions of Synchronization Signals

    公开(公告)号:US20230084911A1

    公开(公告)日:2023-03-16

    申请号:US17799110

    申请日:2020-02-14

    Abstract: Synchronization signal numerology of a communications system is determined, on the basis of at least two reference numerologies. Time occasions comprising including synchronization signals are determined on the basis of a first reference numerology of the at least two reference numerologies for synchronization signal numerologies. Positions of the synchronization signals within the determined time occasions are determined on the basis of a second reference numerology of the at least two reference numerologies. Positions of the synchronization signals according to the synchronization signal numerology are determined at least on the basis of the determined time occasions and the positions within the time occasions. The synchronization signals are received at the determined positions. In this way, the synchronization signal block duration may be extended in time and/or the number of synchronization signal blocks may be increased without introducing a need for a new numerology for synchronization signal numerologies.

    Enhanced beam adjustment procedure for beam-based operation

    公开(公告)号:US11139882B2

    公开(公告)日:2021-10-05

    申请号:US16983728

    申请日:2020-08-03

    Abstract: A method may include receiving, from a network node, association and configuration information for a plurality of sequences, where each sequence may be associated to at least one network-node beam or beam-pair link. The method may also include performing beam measurements of beams from the network node to obtain beam measurement information. The method may further include detecting beam misalignment of the beam based on the beam measurement information. In addition, the method may include transmitting a sequence among the plurality of sequences to the network node to inform the network node of the beam misalignment, and to trigger the network node to start a beam adjustment procedure and a monitoring procedure for a configured-grant configuration. Further, the method may include, after transmitting the sequence, considering the indicated preferred beam as a new serving beam, and switching to the configured-grant configuration associated with this new serving beam.

    COMMON PHASE ERROR AND/OR INTER-CARRIER INTERFERENCE

    公开(公告)号:US20210176099A1

    公开(公告)日:2021-06-10

    申请号:US17179622

    申请日:2021-02-19

    Abstract: Described are methods for dealing with phase noise, e.g., common phase error and/or inter-carrier interference, in communication systems, and apparatuses for the same. A method can include at least: transmitting one or more reference signals (in-band signals within a channel); and mapping the reference signals to radio resources in the channel for transmission of the reference signals. An amount of the radio resources may depend on, e.g., information about a modulation and coding scheme used for transmission. An associated method can include at least: receiving one or more reference signals, and mapping the reference signals to radio resources in the channel for reception of the reference signals; receiving information about a modulation and coding scheme to be used, an amount of the radio resources depending on, e.g., information about the modulation and coding scheme used for reception; and using the reference signals to compensate for phase noise.

    Facilitating user equipment beamforming control

    公开(公告)号:US12237569B2

    公开(公告)日:2025-02-25

    申请号:US17975369

    申请日:2022-10-27

    Abstract: Methods and apparatus, including computer program products, are provided for beamforming control. In some example embodiments, there may be provided a method. The method may include providing, by a user equipment configured to include a plurality of antenna panels, capability information to a base station, the capability information including antenna panel information regarding the plurality of antenna panels; and providing, by the user equipment, antenna panel usage information to the base station, the antenna panel usage information indicative of which of the plurality of antenna panels are in at least one of an active transmit state or an active receive state.
    Related systems, methods, and articles of manufacture are also disclosed.

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