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公开(公告)号：US20220167402A1
公开(公告)日：2022-05-26
申请号：US17103012
申请日：2020-11-24
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Jing SUN , Yisheng XUE , Xiaoxia ZHANG
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select, within a resource selection window, a set of resources in which to transmit over an unlicensed sidelink channel. The UE may attempt a listen before talk (LBT) procedure to initiate a channel occupancy time in which to transmit over the unlicensed sidelink channel. The UE may adjust, within at least a portion of the resource selection window, the set of resources in which to transmit over the unlicensed sidelink channel to be contiguous in at least a time domain based at least in part on the LBT procedure succeeding. The UE may transmit, over the unlicensed sidelink channel, using the set of resources that are adjusted to be contiguous in at least the time domain. Numerous other aspects are provided.
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公开(公告)号：US20210410175A1
公开(公告)日：2021-12-30
申请号：US16910855
申请日：2020-06-24
Applicant: QUALCOMM Incorporated
Inventor： Yisheng XUE , Chih-Hao LIU , Xiaoxia ZHANG
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter user equipment (UE) may transmit, to a receiver UE, a stage one sidelink control information (SCI) message that indicates one or more sub-channels occupied by the transmitter UE. The transmitter UE may transmit, to the receiver UE, a physical sidelink shared channel (PSSCH) using the one or more sub-channels occupied by the transmitter UE according to a configured grant associated with the transmitter UE. Numerous other aspects are provided.
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公开(公告)号：US20210410158A1
公开(公告)日：2021-12-30
申请号：US16910810
申请日：2020-06-24
Applicant: QUALCOMM Incorporated
Inventor： Yisheng XUE , Chih-Hao LIU , Xiaoxia ZHANG
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter user equipment (UE) may transmit a stage one sidelink control information (SCI) message to multiple receiver UEs. In some aspects, the stage one SCI message may indicate respective resource reservations for multiple sidelink transmissions to the multiple receiver UEs. The transmitter UE may transmit a physical sidelink shared channel (PSSCH) to a subset of the multiple receiver UEs based at least in part on a configured grant associated with the subset of the multiple receiver UEs and the respective resource reservations indicated in the stage one SCI message. Numerous other aspects are provided.
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公开(公告)号：US20210227527A1
公开(公告)日：2021-07-22
申请号：US17141699
申请日：2021-01-05
Applicant: QUALCOMM Incorporated
Inventor： Yisheng XUE , Chih-Hao LIU , Xiaoxia ZHANG , Jing SUN , Yongbin WEI
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that an availability condition is satisfied, wherein the availability condition relates to an availability of the UE for sidelink communication; identify future available information (FAI) that indicates at least one of a time domain availability of the UE for sidelink communication or a frequency domain availability of the UE for sidelink communication; and transmit the FAI based at least in part on determining that the availability condition is satisfied. Numerous other aspects are provided.
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195.发明申请公开(公告)号：US20210218450A1
公开(公告)日：2021-07-15
申请号：US17109412
申请日：2020-12-02
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Yisheng XUE , Xiaoxia ZHANG , Jing SUN , Seyed Ali Akbar FAKOORIAN
IPC: H04B7/06 , H04L5/00 , H04B1/7143 , H04W8/00 , H04W24/10
Abstract: This disclosure provides systems, methods and apparatus for wireless communications in narrowband frequency bands using frequency hopping. In some implementations, a base station (BS) groups a plurality of hopping channels of a frequency hopping pattern into a number of groups based on a bandwidth part (BWP) hopping frequency of each hopping channel of the frequency hopping pattern. The BS transmits indications of the frequency hopping pattern and the grouping of hopping channels to user equipments (UEs). The BS transmits a channel state information reference signal (CSI-RS) on a first hopping channel, and receives channel state information (CSI) of the first hopping channel from one or more of the UEs. In some other implementations, a UE receives indications of the frequency hopping pattern and hopping channel groups, and determines CSI of the first hopping channel based on the received CSI-RS. The UE may transmit the CSI to the BS.
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Patent Agency Ranking
公开(公告)号：US20210160780A1
公开(公告)日：2021-05-27
申请号：US17091343
申请日：2020-11-06
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Yisheng XUE , Xiaoxia ZHANG , Jing SUN , Yongbin WEI
Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for narrowband communications using frequency hopping. In some implementations, a user equipment (UE) may receive a discovery reference signal (DRS) including a skipping signal identifying one or more UEs, may stay on an anchor channel when the skipping signal identifies the UE, and may switch from the anchor channel to a first downlink (DL) hopping channel of a DL frequency hopping pattern when the signal does not identify the UE. In some other implementations, a base station (BS) may be configured to output a DRS including a skipping signal identifying one or more UEs, output a signal indicating a channel occupancy time (COT) obtained on a first DL hopping channel of a DL frequency hopping pattern, and output DL data on the first DL hopping channel of the DL frequency hopping pattern.
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公开(公告)号：US20210120429A1
公开(公告)日：2021-04-22
申请号：US17001511
申请日：2020-08-24
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Yisheng XUE , Xiaoxia ZHANG , Jing SUN , Seyed Ali Akbar FAKOORIAN
Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for narrowband communications using frequency hopping in an unlicensed frequency band. In some aspects, a base station (BS) and a user equipment (UE) may communicate with one another over a sequence of unique frequency sub-bands of a frequency hopping pattern. In some instances, the BS and the UE may switch from a current frequency sub-band to another frequency sub-band based on a number of unsuccessful attempts to gain access to the current frequency sub-band. In some other instances, the BS and the UE may communicate data using configured grant (CG) resources based on a number of unsuccessful attempts to gain access to the current frequency sub-band.
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198.发明申请公开(公告)号：US20200328777A1
公开(公告)日：2020-10-15
申请号：US16911180
申请日：2020-06-24
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Srinivas YERRAMALLI , Tamer KADOUS
IPC: H04B1/7143 , H04B1/7136 , H04L5/00 , H04W16/14 , H04B1/713
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. In one example, the apparatus may be a base station. In certain configurations, the apparatus may transmit information indicating a narrowband frequency hopping pattern to at least one UE. In certain aspects, the narrowband frequency hopping pattern may correspond to a plurality of frames. In certain other aspects, the plurality of frames may include at least one non-anchor channel and being associated with a plurality of anchor channels. The apparatus may communicate with the at least one UE using the narrowband frequency hopping pattern, including concurrently transmitting a discovery reference signal (DRS) in each of the plurality of anchor channels at a start of each hopping frame. In certain aspects, communication on the plurality of anchor channels may occur during the same frames.
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199.发明申请公开(公告)号：US20190173611A1
公开(公告)日：2019-06-06
申请号：US16130877
申请日：2018-09-13
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Srinivas YERRAMALLI , Tamer KADOUS
Abstract: Some techniques and apparatuses described herein may be used to avoid or reduce collisions between uplink data communications and uplink control communications for an enhanced machine-type communication user equipment (eMTC UE) operating in an unlicensed radio frequency spectrum band. Furthermore, some techniques and apparatuses may avoid such collision while still allowing efficient use of resources, such as by deferring the uplink data communication within a data segment, rate matching an uplink data communication around uplink control resources (e.g., cell-specific uplink control resources and/or UE-specific uplink control resources), puncturing the uplink data communication to avoid the uplink control resources, multiplexing uplink control information on an uplink data channel, and/or the like.
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200.发明申请公开(公告)号：US20190173521A1
公开(公告)日：2019-06-06
申请号：US16128154
申请日：2018-09-11
Applicant: QUALCOMM Incorporated
Inventor： Chih-Hao LIU , Srinivas YERRAMALLI , Tamer KADOUS
IPC: H04B1/7143 , H04L5/00 , H04B1/7136 , H04W16/14
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. In one example, the apparatus may be a base station. In certain configurations, the apparatus may transmit information indicating a narrowband frequency hopping pattern to at least one UE. In certain aspects, the narrowband frequency hopping pattern may correspond to a plurality of frames. In certain other aspects, the plurality of frames may include at least one non-anchor channel and being associated with a plurality of anchor channels. The apparatus may communicate with the at least one UE using the narrowband frequency hopping pattern. In certain aspects, communication on the plurality of anchor channels may occur during the same frames.
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