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    Random access channel (RACH) timing adjustment
    373.
    发明授权
    Random access channel (RACH) timing adjustment 有权

    公开(公告)号：US10897780B2

    公开(公告)日：2021-01-19

    申请号：US15708585

    申请日：2017-09-19

    Applicant: QUALCOMM Incorporated

    Inventor： Muhammad Nazmul Islam ,  Sundar Subramanian ,  Junyi Li ,  Tao Luo ,  Sumeeth Nagaraja

    IPC: H04W74/08 ,  H04W56/00 ,  H04L5/00 ,  H04W72/04 ,  H04W88/08 ,  H04W88/02

    Abstract: Certain aspects of the present disclosure provide techniques for random access channel (RACH) communication. For example, certain aspects provide a method for wireless communication by a user-equipment (UE). The method generally includes transmitting a first message comprising a RACH preamble, receiving a second message comprising random access response (RAR) in response to the RACH preamble, transmitting a third message in response to the RAR, receiving a fourth message (MSG4) comprising a contention resolution message in response to the third message. In certain aspects, the fourth message may include a timing advance (TA) parameter which may be used to communicate one or more messages.

    Method and apparatus for lightweight messaging during initial synchronization, discovery, and association in directional wireless systems
    376.
    发明授权
    Method and apparatus for lightweight messaging during initial synchronization, discovery, and association in directional wireless systems 有权

    公开(公告)号：US10887869B2

    公开(公告)日：2021-01-05

    申请号：US16271280

    申请日：2019-02-08

    Applicant: QUALCOMM Incorporated

    Inventor： Omar El Ayach ,  Sundar Subramanian ,  John Edward Smee ,  Ashwin Sampath ,  Junyi Li

    IPC: H04W72/04 ,  H04W48/12 ,  H04W16/28

    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a discovery signal transmitted from a connection point (CP) via a directional beam. The discovery signal may include first information (including beam sweep configuration information) related to the CP. The apparatus then transmits an association signal to the CP based on the beam sweep configuration information and monitors for a resource grant from the CP based on the transmitted association signal. Alternatively, the apparatus transmits a discovery signal via a directional beam to a user equipment (UE). The discovery signal may include first information (including beam sweep configuration information) related to the apparatus. The apparatus then receives an association signal from the UE based on the beam sweep configuration information and determines a resource grant for communicating with the UE based on the received association signal.

    Data channel resource allocation
    377.
    发明授权
    Data channel resource allocation 有权

    公开(公告)号：US10863505B2

    公开(公告)日：2020-12-08

    申请号：US15637409

    申请日：2017-06-29

    Applicant: QUALCOMM Incorporated

    Inventor： Sony Akkarakaran ,  Tao Luo ,  Wenjun Li ,  Atul Maharshi ,  Sundar Subramanian

    IPC: H04W72/04 ,  H04W74/00 ,  H04L5/00 ,  H04W72/12 ,  H04W16/10 ,  H04W72/08

    Abstract: Wireless communications systems and methods related to allocating resource blocks and resource block groups in a system band in order to reduce overhead associated with resource allocation. To reduce overhead, the wireless communication device communicates a signal in a control channel that indicates a general area and a resource block in the general area that stores data. The wireless communication device then communicates multiple resource blocks that include the resource block and communicates the data in the resource block using the signal. To reduce overhead, the wireless communication device also communicates multiple mappings for each resource block group into a set of resource blocks and a signal in a control channel that selects one of the multiple mappings. The communication device then determines resource blocks that are included in the resource block group according to the mapping, and communicates data in these resource blocks.

    Handling overlapped communications
    380.
    发明授权
    Handling overlapped communications 有权

    公开(公告)号：US10772061B2

    公开(公告)日：2020-09-08

    申请号：US16191677

    申请日：2018-11-15

    Applicant: QUALCOMM Incorporated

    Inventor： Navid Abedini ,  Bilal Sadiq ,  Muhammad Nazmul Islam ,  Sundar Subramanian ,  Junyi Li

    IPC: H04W56/00 ,  H04J3/06 ,  H04W72/04

    Abstract: Methods, systems, and devices for wireless communications are described. The described techniques provide for determining to not transmit a portion of a second signal that overlaps in time with a first signal. A user equipment (UE) may identify a first signal to be communicated during a first time duration using a first beam pair link (BPL) and identify a second signal that is scheduled to be communicated during a second time duration using a second BPL. The UE may identify a misalignment between timing advance values for the BPLs, the misalignment causing an overlap in time between the first signal scheduled during the first time duration and the second signal scheduled during the second time duration. The UE may determine whether to drop part of the second signal and communicate the first signal and a remaining portion of the second signal based at least in part on the determining.

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