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公开(公告)号：US11711849B2
公开(公告)日：2023-07-25
申请号：US17301652
申请日：2021-04-09
Applicant: QUALCOMM INCORPORATED
Inventor： Yisheng Xue , Jing Sun , Chih-Hao Liu , Xiaoxia Zhang
CPC classification number: H04W74/0816 , H04W72/23 , H04W74/0808
Abstract: Wireless communications systems and methods related to sidelink communications in an unlicensed frequency band are provided. A user equipment (UE) receives, from a base station (BS), a first downlink control information (DCI) associated with a first listen-before-talk (LBT) time. The UE determines a first sidelink transmission opportunity for communicating in an unlicensed frequency band at the first LBT time based on the first DCI.
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公开(公告)号：US11711683B2
公开(公告)日：2023-07-25
申请号：US17078905
申请日：2020-10-23
Applicant: QUALCOMM incorporated
Inventor： Seyed Ali Akbar Fakoorian , Jing Sun , Yisheng Xue , Xiaoxia Zhang , Yongbin Wei
IPC: H04W8/00 , H04W72/02 , H04L5/00 , H04W72/1263 , H04W92/18
CPC classification number: H04W8/005 , H04L5/0055 , H04W72/02 , H04W72/1263 , H04W92/18
Abstract: Methods, systems, and devices for wireless communications are described. In a first case, a first user equipment (UE) may transmit to a second UE a sidelink discovery message preamble corresponding to a sidelink discovery message. The first UE may identify resources for transmission of the sidelink discovery messages based on the sidelink discovery message preamble. The first UE may either transmit the sidelink discovery message to the second UE or may receive the sidelink discovery message from the second UE using the identified resources for the transmission of the sidelink discovery message. In some cases, the second UE may transmit sidelink control information (SCI) to the first UE, and may transmit a sidelink discovery message to the first UE based on resources identified in the SCI. In some cases, the first UE may transmit the sidelink discovery message without transmission of a preamble or a SCI.
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公开(公告)号：US11706709B2
公开(公告)日：2023-07-18
申请号：US17360697
申请日：2021-06-28
Applicant: QUALCOMM Incorporated
Inventor： Yisheng Xue , Jing Sun , Xiaoxia Zhang , Junyi Li , Ozcan Ozturk , Chih-Hao Liu , Sony Akkarakaran
IPC: H04W52/02
CPC classification number: H04W52/0216
Abstract: Methods, systems, and devices for wireless communications are described. A hub user equipment (UE) in a star topology may broadcast to a set of peripheral UEs indicating slots when the hub UE will not be in a transmission mode. The hub UE may broadcast a slot format indication to the peripheral UEs to indicate operating modes in a set of slots. In a first group of slots, the hub UE may operate in a forward mode, transmitting sidelink communications to the peripheral UEs. In a second group of slots, the hub UE may operate in a reverse mode, receiving sidelink communications from the peripheral UEs. In slots when the hub UE operates in the reverse mode, if a peripheral UE does not have data or control information, the peripheral UE may enter a sleep mode in one or more slots of the second group to save power.
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公开(公告)号：US11690024B2
公开(公告)日：2023-06-27
申请号：US17160305
申请日：2021-01-27
Applicant: QUALCOMM Incorporated
Inventor： Xiaoxia Zhang , Jing Sun , Yisheng Xue , Aleksandar Damnjanovic , Tao Luo , Juan Montojo
CPC classification number: H04W52/30 , H04W52/10 , H04W52/247 , H04W52/383
Abstract: Disclosed are systems and techniques for performing sidelink communications. For instance, a first client device can determine a first transmit power parameter for transmitting sidelink communications. The first transmit power parameter can either be received from a base station associated with the first client device or it can be a default parameter based on the first client device not being associated with a base station. The first client device can transmit, to a second client device, a first sidelink transmission having a first power level corresponding to the first transmit power parameter. The first client device can receive, from the second client device, a first sidelink reception having a second power level corresponding to a second transmit power parameter.
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公开(公告)号：US11678371B2
公开(公告)日：2023-06-13
申请号：US17304427
申请日：2021-06-21
Applicant: QUALCOMM Incorporated
Inventor： Yisheng Xue , Jing Sun , Xiaoxia Zhang , Chih-Hao Liu , Piyush Gupta , Xiaojie Wang
CPC classification number: H04W74/0808 , H04W52/04 , H04W72/56
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a configuration indicating a resource pool and a channel occupancy control parameter for configured grant sidelink communications, select one or more resources from the resource pool based at least in part on the channel occupancy control parameter, and transmit a configured grant sidelink communication using the one or more resources from the resource pool. Numerous other aspects are provided.
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Patent Agency Ranking
公开(公告)号：US11671867B2
公开(公告)日：2023-06-06
申请号：US17360689
申请日：2021-06-28
Applicant: QUALCOMM Incorporated
Inventor： Xiaoxia Zhang , Jing Sun , Yisheng Xue , Tao Luo , Arthur Gubeskys , Shuanshuan Wu , Tien Viet Nguyen
CPC classification number: H04W28/0289 , H04W24/08 , H04W28/0284 , H04W72/56 , H04W74/0808
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment may determine parameters for congestion metrics based on a type for a channel access procedure associated with a sidelink transmission. The user equipment may determine a channel access procedure type for a sidelink channel transmission, and determine a limit for a channel occupancy (e.g., a channel occupancy ratio) based on the type. The user equipment may compare the channel occupancy with the limit to determine whether to transmit the sidelink channel transmission, based on whether the channel is available. In some aspects, the user equipment may additionally perform the channel access procedure (e.g., a listen before talk procedure) to determine whether to transmit the sidelink channel transmission. The user equipment may also perform channel measurements to obtain a congestion metric (e.g., a channel busy ratio) based on a threshold before transmitting the sidelink channel transmission.
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公开(公告)号：US11664860B2
公开(公告)日：2023-05-30
申请号：US17448474
申请日：2021-09-22
Applicant: QUALCOMM Incorporated
Inventor： Yisheng Xue , Jing Sun , Xiaoxia Zhang , Chih-Hao Liu
IPC: H04B7/02 , H04B7/0456 , H04B7/0417
CPC classification number: H04B7/0456 , H04B7/0417
Abstract: This disclosure provides systems, methods, and devices for wireless communication that support mechanisms for sidelink beamforming alignment over a set of resources based on a deterministic sequence in a wireless communication system. In aspects, an sidelink initiator user equipment (UE) may initiate a beamforming alignment procedure with a responder UE over a the sidelink. The initiator UE may define a set of subchannels specified by a deterministic sequence. The set of subchannels may be subchannels over which the initiator UE may perform reception beam sweeping. The deterministic sequence may be anchored to a direct frame number (DFN) of the sidelink frame without initial sensing, and may be determined via a sequence index, as a function of sidelink UE identification ID(s), or a combination thereof. In this manner, the number of bits for indicating the deterministic sequence to the responder UE may be reasonable, manageable, and/or moderate.
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168.发明申请公开(公告)号：US20230135581A1
公开(公告)日：2023-05-04
申请号：US17452979
申请日：2021-10-29
Applicant: QUALCOMM INCORPORATED
Inventor： Chih-Hao Liu , Jing Sun , Yisheng Xue , Xiaoxia Zhang
Abstract: Wireless communications systems and methods related to communicating control information are provided. A method of wireless communication performed by a first sidelink user equipment (UE) may include transmitting, to a second sidelink UE, at least one channel state information reference signal (CSI-RS) in a slot and transmitting, to the second sidelink UE, at least one sidelink synchronization signal block (S-SSB) in the slot, wherein an occupied channel bandwidth (OCB) associated with the slot satisfies a threshold based at least on the transmitting the at least one CSI-RS and the transmitting the at least one S-SSB.
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公开(公告)号：US11641672B2
公开(公告)日：2023-05-02
申请号：US17325816
申请日：2021-05-20
Applicant: QUALCOMM Incorporated
Inventor： Aleksandar Damnjanovic , Maarten Menzo Wentink , Yisheng Xue , Marco Papaleo
Abstract: Adaptive energy detection (ED) threshold medium access is discussed based on deployment and traffic type. The network nodes sharing a shared communication network are configured with multiple discrete ED thresholds or a range of ED values. As a transmitting node prepares to attempt access to the shared communication spectrum, it identifies an access trigger condition within the network. Such a condition may include traffic type, deployment, or access conditions. In response to detecting an access trigger condition, the transmitting node may select an ED threshold associated with the access trigger condition. Alternatively, upon detection of the access trigger condition, the transmitting node may implement a random ED threshold from the candidate range of ED threshold values.
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公开(公告)号：US20230117182A1
公开(公告)日：2023-04-20
申请号：US17451076
申请日：2021-10-15
Applicant: QUALCOMM Incorporated
Inventor： Yisheng Xue , Xiaoxia Zhang , Chih-Hao Liu , Jing Sun
Abstract: This disclosure provides systems, methods, and devices for wireless communication that support a super slot configuration for new radio (NR) sidelink over millimeter wave (mmW) operating frequencies. In a first aspect, a method of wireless communication by a user equipment (UE) includes obtaining a sidelink resource pool configuration including configuration of one or more super slots, wherein each super slot includes a plurality of slots contiguous in a time domain The UE may select one or more sidelink resource slots for sidelink transmissions in a sidelink resource pool and transmit an enhanced sidelink control information (eSCI) message in a first slot of a first super slot, wherein the eSCI message indicates a reservation of slots corresponding to the one or more sidelink resource slots. The UE may then send the sidelink transmissions on at least one slot of the reserved slots. Other aspects and features are also claimed and described.
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