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公开(公告)号：US10707923B2
公开(公告)日：2020-07-07
申请号：US16158272
申请日：2018-10-11
Applicant: QUALCOMM Incorporated
Inventor： Makesh Pravin John Wilson , Tao Luo , Sony Akkarakaran , Sumeeth Nagaraja , Xiao Feng Wang , Juan Montojo , Shengbo Chen , Wooseok Nam , Yan Zhou
IPC: H04W72/04 , H04B7/024 , H04L5/00 , H04B7/08 , H04B7/022 , H04W4/70 , H04W76/27 , H04B7/06 , H04W4/20 , H04W80/02
Abstract: Methods, systems, and devices for wireless communications are described. In some wireless communications systems, a base station may communicate with a user equipment (UE) using multiple antennas. Data streams may be mapped to the antennas using antenna ports. In some cases, a base station may transmit a transmission configuration indication (TCI) to a UE to indicate quasi co-location (QCL) relationships between antenna ports used for downlink communication with a UE. The UE may use these QCL relationships to identify appropriate techniques for decoding a downlink transmission from the base station. In some cases, it may be appropriate for a base station to update one or more TCI states configured for indicating, to a UE, QCL relationships between antenna ports used for downlink communication with the UE. As described herein, a base station may support techniques for dynamically updating such TCI states (e.g., via downlink control information (DCI) signaling).
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公开(公告)号：US10651995B2
公开(公告)日：2020-05-12
申请号：US16133582
申请日：2018-09-17
Applicant: QUALCOMM Incorporated
Inventor： Wooseok Nam , Tao Luo , Sony Akkarakaran , Makesh Pravin John Wilson , Sumeeth Nagaraja , Xiao Feng Wang , Shengbo Chen
Abstract: Aspects of the present disclosure provide for the transmission of group common control information in 5G New Radio (NR) wireless communication systems. Group common control information may be transmitted to a group or subset of user equipment (UEs) within a cell utilizing a beam-sweeping configuration. A base station may utilize a plurality of transmit beams to transmit information within the cell, and a subset of the transmit beams may be identified for use in transmitting the group common control information to the group of UEs. In addition, the base station may identify spatial quasi-colocation (QCL) relationships between reference beams corresponding in direction to the selected subset of transmit beams and resources reserved for the group common control information and provide the spatial QCL relationships to the UEs in the group.
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公开(公告)号：US20200077342A1
公开(公告)日：2020-03-05
申请号：US16678921
申请日：2019-11-08
Applicant: QUALCOMM Incorporated
Inventor： Sony Akkarakaran , Tao Luo , Makesh Pravin John Wilson , Xiao feng Wang , Kaushik Chakraborty , Shengbo Chen
Abstract: Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands. The plurality of TPC commands may relate to an uplink channel transmit power for a plurality of uplink beam-pairs. The wireless communication device may determine the uplink channel transmit power for the plurality of uplink beam-pairs based at least in part on the plurality of TPC commands. Numerous other aspects are provided.
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Patent Agency Ranking
公开(公告)号：US10477484B2
公开(公告)日：2019-11-12
申请号：US15862275
申请日：2018-01-04
Applicant: QUALCOMM Incorporated
Inventor： Sony Akkarakaran , Tao Luo , Makesh Pravin John Wilson , Xiao feng Wang , Kaushik Chakraborty , Shengbo Chen
Abstract: Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive one or more downlink control information (DCI) transmissions including a plurality of transmit power control (TPC) commands. The plurality of TPC commands may relate to an uplink channel transmit power for a plurality of uplink beam-pairs. The wireless communication device may determine the uplink channel transmit power for the plurality of uplink beam-pairs based at least in part on the plurality of TPC commands. Numerous other aspects are provided.
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公开(公告)号：US10123322B1
公开(公告)日：2018-11-06
申请号：US15950118
申请日：2018-04-10
Applicant: QUALCOMM Incorporated
Inventor： Wooseok Nam , Tao Luo , Sony Akkarakaran , Makesh Pravin John Wilson , Sumeeth Nagaraja , Xiao Feng Wang , Shengbo Chen
Abstract: Methods, systems, and devices for wireless communications provide for transmission of a beam switch command to a user equipment (UE) via control channel signaling. The UE may establish a connection with a base station using a first transmission beam, receive configuration information configuring the UE to select between a first decoding hypothesis corresponding to downlink control information (DCI) including a bit field including a beam switch command and a second decoding hypothesis corresponding to the DCI not including the bit field, receive a downlink control channel transmission via the first transmission beam, decode the downlink control channel transmission in accordance with the configuration information to obtain decoded DCI, and communicate with the base station based at least in part on the decoded DCI.
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公开(公告)号：US20180317225A1
公开(公告)日：2018-11-01
申请号：US15964010
申请日：2018-04-26
Applicant: QUALCOMM Incorporated
Inventor： Sony Akkarakaran , Tao Luo , Xiao Feng Wang , Makesh Pravin John Wilson , Sumeeth Nagaraja , Kaushik Chakraborty , Wooseok Nam , Shengbo Chen
Abstract: Methods, systems, and devices for wireless communication are described. The described techniques provide for configuration and transmission of reference signals over aggregated mini-slots by modifying (e.g., extending) transmission time intervals (TTIs) or sharing reference signals across multiple mini-slots. The reference signals may be shared between multiple aggregated mini-slots and a reference signal pattern may be determined based on data payload allocation, modulation coding scheme (MCS), rank, or other factors of the aggregated mini-slots. Data payloads may be scheduled jointly or separately for each mini-slot and may be allocated across a set of aggregated mini-slots.
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公开(公告)号：US20180278318A1
公开(公告)日：2018-09-27
申请号：US15887806
申请日：2018-02-02
Applicant: QUALCOMM Incorporated
Inventor： Kaushik Chakraborty , Tao Luo , Xiao feng Wang , Makesh Pravin John Wilson , Shengbo Chen
CPC classification number: H04B7/0695 , H04B7/024 , H04B7/0404 , H04B7/0408 , H04B7/088 , H04W52/146 , H04W52/16 , H04W52/367 , H04W52/42
Abstract: Various aspects of the disclosure relate to managing the transmission of uplink beams. For example, a first apparatus may generate a signal for transmission to a second apparatus. Thereafter, the first apparatus may detect a condition associated with transmitting the signal via a first uplink beam at a first transmission power. The condition may include the first uplink beam exceeding a maximum permissible exposure (MPE) limit. Accordingly, the first apparatus may refrain from transmitting the signal via the first uplink beam based on the at least one condition and transmit the signal to the second apparatus using a second uplink beam different from the first uplink beam.
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公开(公告)号：US20180220448A1
公开(公告)日：2018-08-02
申请号：US15883848
申请日：2018-01-30
Applicant: QUALCOMM Incorporated
Inventor： Sony Akkarakaran , Tao Luo , Sumeeth Nagaraja , Makesh Pravin John Wilson , Kaushik Chakraborty , Xiao Feng Wang , Shengbo Chen , Wooseok Nam
CPC classification number: H04W72/14 , H04L5/001 , H04L5/0023 , H04L5/0044 , H04L5/0048 , H04L5/0091 , H04W16/28 , H04W72/0413 , H04W72/044 , H04W74/0833 , H04W88/02 , H04W88/08
Abstract: A grant may allocate resources for an uplink transmission by a user equipment (UE) in a system using beamforming, where the resources may be used by the UE to transmit data or control information during a time that a base station is listening in a certain receive beam direction. A UE may be in communication with a base station using beamformed transmissions, and the base station may send a resource grant to the UE for uplink transmissions that correspond to a receive beam direction of a beamsweeping operation. The UE may then transmit data and/or uplink control information to the base station according to the resource grant and when the base station is listening in the corresponding direction. In some examples, the UE may send the uplink transmission to the serving base station, and transmit a random access channel to another base station based on the beamsweeping operation.
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