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公开(公告)号:US20240073843A1
公开(公告)日:2024-02-29
申请号:US17822084
申请日:2022-08-24
Applicant: QUALCOMM Incorporated
Inventor: Shanyu ZHOU , Jelena DAMNJANOVIC , Tao LUO , Changhwan PARK
CPC classification number: H04W56/005 , H04L5/0051 , H04W24/10
Abstract: A method of wireless communication at a UE is disclosed herein. The method includes transmitting, at a first time instance, an indication of a first measurement on at least one DL-RS associated with a first cell, where the first cell is included in a L1 mobility configured cell set or a L2 mobility configured cell set. The method includes receiving, at a second time instance after the first time instance, an estimated TA associated with the first cell. The method includes performing a second measurement on the at least one DL-RS. The method includes accepting or rejecting the estimated TA for communication with the first cell based on at least one of the first measurement or the second measurement.
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公开(公告)号:US20240073750A1
公开(公告)日:2024-02-29
申请号:US18447765
申请日:2023-08-10
Applicant: QUALCOMM Incorporated
Inventor: Shanyu ZHOU , Jelena DAMNJANOVIC , Changhwan PARK
CPC classification number: H04W36/0061 , H04B7/024
Abstract: An apparatus for wireless communication at a UE is provided. The apparatus is configured to receive a layer 1 (L1) or layer 2 (L2) mobility cell configuration for a set of cells for L1 or L2 inter-cell mobility. The set of cells include multiple cells, and each cell in the set of cells is able to be activated or deactivated for data and/or control transfer using L1 or L2 signaling. The apparatus is further configured to receive L1 or L2 signaling indicating multiple activated cells, and activate one or more cells in the multiple activated cells in the priority order for the data and/or control transfer using L1 or L2 signaling. The apparatus provides configuration, cell activation or deactivation in an optimized order, and associated signaling to enable L1/L2 mobility for more efficient and robust mobility management.
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公开(公告)号:US20240056967A1
公开(公告)日:2024-02-15
申请号:US17885394
申请日:2022-08-10
Applicant: QUALCOMM Incorporated
Inventor: Le LIU , Huilin XU , Hung Dinh LY , Yuchul KIM , Linhai HE , Prashant SHARMA , Ahmed ELSHAFIE , Changhwan PARK , Wei YANG
CPC classification number: H04W52/0216 , H04W52/0229 , H04L5/0051
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect, using a low-power receiver of the UE, a low-power synchronization signal (LP-SS) that is associated with a first coverage area that is larger than a second coverage area associated with a legacy synchronization signal block. The UE may monitor, using the low-power receiver, for a low-power wake up signal, based at least in part on the LP-SS, that is associated with a third coverage area that is larger than a fourth coverage area associated with a legacy wake up signal. Numerous other aspects are described.
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公开(公告)号:US20230413203A1
公开(公告)日:2023-12-21
申请号:US17807033
申请日:2022-06-15
Applicant: QUALCOMM Incorporated
Inventor: Jae Ho RYU , Hari SANKAR , Paolo MINERO , Changhwan PARK
CPC classification number: H04W56/0045 , H04W72/0446 , H04W72/042 , H04W74/0833
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive ephemeris information associated with a satellite and a timing advance parameter associated with the satellite. The UE may modify, based at least in part on the ephemeris information, at least one of: a downlink frequency tracking loop (FTL), or a downlink time tracking loop (TTL). The UE may receive a downlink signal from the satellite based at least in part on modifying the downlink FTL or the downlink TTL. Numerous other aspects are described.
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105.
公开(公告)号:US20230337161A1
公开(公告)日:2023-10-19
申请号:US17935851
申请日:2022-09-27
Applicant: QUALCOMM Incorporated
Inventor: Liangping MA , Changhwan PARK , Xiao Feng WANG , Mohamad SAYED HASSAN , Jun MA , Umesh PHUYAL , Peter GAAL , Huilin XU , Harikumar KRISHNAMURTHY , Bharat SHRESTHA , Alberto RICO ALVARINO , Ayan SENGUPTA , Lianghai JI
IPC: H04W56/00
CPC classification number: H04W56/0045
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine, after an update to a location or a velocity of the UE, a closed-loop frequency pre-compensation and an open-loop frequency pre-compensation. The UE may transmit, after the update to the location or the velocity of the UE, an uplink signal using a frequency pre-compensation that is based at least in part on the closed-loop frequency pre-compensation and the open-loop frequency pre-compensation. Numerous other aspects are described.
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106.
公开(公告)号:US20230336212A1
公开(公告)日:2023-10-19
申请号:US17937302
申请日:2022-09-30
Applicant: QUALCOMM Incorporated
Inventor: Liangping MA , Changhwan PARK , Xiao Feng WANG , Mohamad SAYED HASSAN , Jun MA , Umesh PHUYAL , Peter GAAL , Huilin XU , Harikumar KRISHNAMURTHY , Bharat SHRESTHA , Alberto RICO ALVARINO , Ayan SENGUPTA
CPC classification number: H04B7/01 , H04W64/006 , H04W84/06
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus at a UE in NTN are provided. The UE may be configured to receive one or more FPC commands from an NTN. The UE may be further configured to transmit, in response to receiving the one or more FPC commands, an uplink transmission with a frequency change having a total FPC adjustment calculated based on (a) a current UE location update and a current UE velocity update, wherein the total FPC adjustment satisfies one or more threshold requirements, or (b) an intermediary UE location update between the current UE location update and a previous UE location update and an intermediary UE velocity update between the current UE velocity update and a previous UE velocity update.
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公开(公告)号:US20230269685A1
公开(公告)日:2023-08-24
申请号:US18048667
申请日:2022-10-21
Applicant: QUALCOMM Incorporated
Inventor: Changhwan PARK , Liangping MA , Xiao Feng WANG , Peter GAAL
IPC: H04W56/00
CPC classification number: H04W56/0045 , H04W84/06
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus at a user equipment (UE) in a non-terrestrial network (NTN) are provided. The UE may be configured to receive one or more timing advance (TA) commands from an NTN. In response to a transmission timing error between a transmission TA of the UE and a reference timing exceeding a threshold, the UE may be configured to transmit an uplink transmission with a timing change having a total timing adjustment, other than a propagation delay adjustment due to an NTN node position update and a network-controlled common TA value, that satisfies one or more threshold requirements.
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公开(公告)号:US20230130297A1
公开(公告)日:2023-04-27
申请号:US18047905
申请日:2022-10-19
Applicant: QUALCOMM Incorporated
Inventor: Prashant SHARMA , Changhwan PARK , Muhammad Nazmul ISLAM , Jing LEI
Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media for a user equipment (UE), which may include a reduced capability (RedCap) UE, and a supporting cell. The UE may receive a synchronization signal block (SSB). The UE may receive a configuration of an active downlink bandwidth part (BWP) that is not configured with a SSB. The UE may tune, from the active downlink BWP to a different frequency for a layer 1 (L1) measurement gap defined by a L1 measurement gap configuration. The UE may perform a L1 measurement of the SSB on the different frequency during the L1 measurement gap. The UE may be a RedCap UE, the active BWP may be for RedCap UEs, and the SSB may define an initial BWP for the RedCap UEs and non-RedCap UEs, and the different frequency may be the initial BWP.
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公开(公告)号:US20230055881A1
公开(公告)日:2023-02-23
申请号:US17821155
申请日:2022-08-19
Applicant: QUALCOMM Incorporated
Inventor: Liangping MA , Xiao Feng WANG , Umesh PHUYAL , Alberto RICO ALVARINO , Ayan SENGUPTA , Bharat SHRESTHA , Peter GAAL , Changhwan PARK , Jun MA , Huilin XU
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a coordinate switch indication that indicates that the UE is to calculate a first value of a new ephemeris coordinate of a plurality of coordinates. The UE may calculate the first value of the new ephemeris coordinate based on one or more other ephemeris coordinates of the plurality of ephemeris coordinates and may generate ephemeris information, associated with a non-terrestrial communication device, based on the calculation of the first value of the new ephemeris coordinate. The UE may communicate with the non-terrestrial communication device based on the ephemeris information. Numerous other aspects are described.
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110.
公开(公告)号:US20230040605A1
公开(公告)日:2023-02-09
申请号:US17758817
申请日:2020-02-13
Applicant: QUALCOMM Incorporated
Inventor: Changhwan PARK , Bin HAN , Vijay BALASUBRAMANIAN , Mihir Vijay LAGHATE , Valentin Alexandru GHEORGHIU , Arash MIRBAGHERI
Abstract: Embodiments include methods of testing wireless devices for beam forming performance. Various aspects may include determining measurements of communication performance of the wireless device at each of a number of different angular orientations of the wireless device with respect to an antenna within a test chamber, and determining whether the wireless device satisfies beam forming performance requirements by comparing the measurements of communication performance to pass/fail criteria. Further embodiments may include a wireless device testing apparatus configured to perform testing wireless devices for beam forming performance. In some embodiments, a wireless device testing apparatus may include a test chamber, an antenna within the test chamber, a rotatable positioning system within the test chamber configured to hold a wireless device and rotate the wireless device within a range of orientations with respect to the antenna, and a computing device coupled to the antenna and the rotatable positioning system.
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