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11.发明授权公开(公告)号：US11239891B2
公开(公告)日：2022-02-01
申请号：US16736750
申请日：2020-01-07
Applicant: QUALCOMM Incorporated
Inventor： Yisheng Xue , Xiaoxia Zhang , Weiliang Zeng , Yongbin Wei
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, a report indicating that a cooperative reception group including the UE and one or more other UEs connected to the UE over an out-of-band link supports one or more downlink transmit beamforming techniques. The UE may determine, based at least in part on the one or more downlink transmit beamforming techniques supported by the cooperative reception group, a downlink transmit precoder associated with relaxed beamforming nulling. The UE may decode a downlink transmission received from the base station based at least in part on the downlink transmit precoder and one or more decoded bits received from the one or more other UEs in the cooperative reception group. Numerous other aspects are provided.
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公开(公告)号：US11212779B2
公开(公告)日：2021-12-28
申请号：US14858960
申请日：2015-09-18
Applicant: QUALCOMM Incorporated
Inventor： Shimman Patel , Wanshi Chen , Peter Gaal , Aleksandar Damnjanovic , Yongbin Wei , Durga Prasad Malladi , Hao Xu
Abstract: A data structure for managing user equipment communications in a wireless communication system is presented. In some examples, the data structure may include one or more resource element blocks into which a frequency bandwidth of a downlink channel is divided within a symbol that defines a transmission time interval in a downlink subframe. Furthermore, the data structure may include a control region and a data region within at least one resource element block of the one or more resource element blocks. Additionally, the data structure may include a downlink resource grant, located within the control region, for a user equipment served by the downlink channel. In an additional aspect, a network entity and method for generating the example data structure are provided.
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公开(公告)号：US20210297205A1
公开(公告)日：2021-09-23
申请号：US17303660
申请日：2021-06-03
Applicant: QUALCOMM Incorporated
Inventor： Aleksandar Damnjanovic , Srinivas Yerramalli , Tamer Kadous , Yongbin Wei
Abstract: Wireless communications systems and methods related to providing frequency diversity for communications in an unlicensed spectrum are provided. A first wireless communication device communicates, with a second wireless communication device, an opportunistic frequency-switching configuration for a first frequency band and a second frequency band. The first frequency band and the second frequency band are shared by a first network operating entity and a second network operating entity. The first wireless communication device communicates, with the second wireless communication device, a first communication signal in a first frequency band based on the opportunistic frequency-switching configuration. The first wireless communication device switches from the first frequency band to a second frequency band based on the opportunistic frequency-switching configuration. The first wireless communication device communicates, with the second wireless communication device after the switching, a second communication signal in the second frequency band based on the opportunistic frequency-switching configuration.
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公开(公告)号：US20210195641A1
公开(公告)日：2021-06-24
申请号：US17124964
申请日：2020-12-17
Applicant: QUALCOMM Incorporated
Inventor： Yisheng XUE , Xiaoxia Zhang , Chih-Hao Liu , Aleksandar Damnjanovic , Jing Sun , Yongbin Wei
Abstract: Methods, systems, and devices for wireless communication are described. A wireless device (base station or UE) may receive an indication of a listen before talk (LBT) gap for sharing a channel occupancy time (COT), the COT being acquired by another wireless device (base station or UE), and detect whether a slot within the COT is occupied by the other wireless device, the slot occurring prior to the LBT gap. The wireless device may also, responsive to detecting that the slot is occupied by the other wireless device, preform an LBT procedure during the LBT gap, and, responsive to a successful LBT procedure, transmit a signal to the other wireless device within the COT.
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公开(公告)号：US20210195637A1
公开(公告)日：2021-06-24
申请号：US17090357
申请日：2020-11-05
Applicant: QUALCOMM INCORPORATED
Inventor： Yisheng Xue , Chih-Hao Liu , Xiaoxia Zhang , Jing Sun , Yongbin Wei , Seyed Ali Akbar Fakoorian
Abstract: Wireless communications systems and methods related to autonomous sidelink communication in a shared radio frequency band (e.g., in a shared spectrum or an unlicensed spectrum) are provided. A first user equipment (UE) performs a listen-before-talk (LBT) in a shared radio frequency band during at least a portion of a first sidelink frame. The first UE determines a channel occupancy time (COT) in the shared radio frequency band based on the LBT. A beginning of the COT is within the first sidelink frame and offset from a boundary of the first sidelink frame. The COT includes one or more sidelink frames subsequent to the first sidelink frame. The first UE transmits, in the shared radio frequency band, a COT indication signal at the beginning of the COT within the first sidelink frame. The COT indication signal includes COT sharing information for UEs to share the one or more sidelink frames.
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Patent Agency Ranking
公开(公告)号：US11038567B2
公开(公告)日：2021-06-15
申请号：US16241747
申请日：2019-01-07
Applicant: QUALCOMM Incorporated
Inventor： Xiaoxia Zhang , Kapil Bhattad , Jing Sun , Qingjiang Tian , Srinivas Yerramalli , Tamer Kadous , Yongbin Wei , Aleksandar Damnjanovic
Abstract: Wireless communications systems and methods related to performing adaptive autonomous uplink (UL) communications are provided. A first wireless communication device receives, from a second wireless communication device, an autonomous uplink transmission configuration. The first wireless communication device determines a transmission parameter in response to a link adaptation parameter based on the autonomous uplink transmission configuration. The first wireless communication device transmits, to the second wireless communication device, an autonomous uplink communication signal based on the determined transmission parameter.
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公开(公告)号：US11005613B2
公开(公告)日：2021-05-11
申请号：US14162664
申请日：2014-01-23
Applicant: QUALCOMM Incorporated
Inventor： Wanshi Chen , Hao Xu , Peter Gaal , Yongbin Wei
Abstract: A method of wireless communication includes receiving a signal from an base station. The method also includes determining a timing advance loop from a set of timing advance loops, and/or a power control loop from a set of power control loops. The determination is based on the received signal.
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18.发明授权公开(公告)号：US10999886B2
公开(公告)日：2021-05-04
申请号：US15232672
申请日：2016-08-09
Applicant: QUALCOMM Incorporated
Inventor： Peter Gaal , Srinivas Yerramalli , Durga Prasad Malladi , Yongbin Wei , Alexei Yurievitch Gorokhov , Brian Banister , Michael Lee McCloud , Tao Luo , Supratik Bhattacharjee , Chengjin Zhang , Ravi Teja Sukhavasi
Abstract: Various aspects related to techniques for harmonization between common reference signal (CRS) and demodulation reference signal (DM-RS) based transmission modes (TMs) in unlicensed spectrum are described. In one aspect, a downlink/uplink (DL/UL) subframe configuration may be signaled for each subframe. Information provided by the DL/UL subframe configuration may indicate whether the respective downlink subframe is a single-frequency network (MBSFN) subframe (associated with DM-RS-based TM) or a non-MBSFN subframe (associated with CRS-based TM). In another aspect, periodic as well as aperiodic channel state information (CSI) reporting requests may be supported. In yet another aspect, discontinued reception (DRX) wake ups for unlicensed carriers may be explicitly or implicitly indicated to a user equipment (UE) via a carrier in a licensed spectrum.
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公开(公告)号：US10959226B2
公开(公告)日：2021-03-23
申请号：US16678678
申请日：2019-11-08
Applicant: QUALCOMM Incorporated
Inventor： Jelena Damnjanovic , Aleksandar Damnjanovic , Taesang Yoo , Siddhartha Mallik , Madhavan Srinivasan Vajapeyam , Durga Prasad Malladi , Yongbin Wei
Abstract: Techniques are described for preempting resource allocations to one or more UEs in the event that delay sensitive data is received. A resource allocation of a number of symbols may be granted to a first user equipment (UE) for first associated data to be transmitted. Subsequently, data may be received for a second UE that is more delay sensitive than the first data. The resource allocation to the first UE may be preempted, and resources allocated to the second UE for the second data within a variable length transmission time interval (TTI) of the resource allocation to the first UE. UEs may monitor for preemption during transmissions to other UEs in order to receive new resource grants associated with the preempted resource grant. Whether a UE monitors transmissions for preemption may be determined based on a quality or service (QoS) of the UE.
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公开(公告)号：US20210076421A1
公开(公告)日：2021-03-11
申请号：US17012250
申请日：2020-09-04
Applicant: QUALCOMM Incorporated
Inventor： Yisheng Xue , Aleksandar Damnjanovic , Xiaoxia Zhang , Jing Sun , Chih-Hao Liu , Yongbin Wei
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment may monitor for a transmission over a set of periodically scheduled resources (e.g., semi-persistently scheduled resources)) of a downlink shared channel in an unlicensed spectrum. The user equipment may receive the transmission, where the transmission indicates a channel access configuration (e.g., a listen-before-talk configuration) for accessing the unlicensed spectrum. In some cases, the transmission may include a medium access control (MAC) control element (MAC-CE) that indicates the channel access configuration. The transmission may additionally indicate at least one uplink channel over which the user equipment may transmit a message and/or a channel occupancy time associated with a successful acquisition of the unlicensed spectrum by the base station. The user equipment may transmit a message (e.g., an acknowledgement) based on the channel access configuration.
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