公开(公告)号：US20240414516A1

公开(公告)日：2024-12-12

申请号：US18698766

申请日：2021-12-10

Applicant: QUALCOMM Incorporated

Inventor： Yongle WU ,  Jiaheng LIU ,  Shanshan WANG ,  Nanrun WU ,  Ashok MANTRAVADI ,  Raghu Narayan CHALLA

IPC: H04W8/02 ,  H04W76/38 ,  H04W84/00

Abstract: Aspects are provided which allow a UE to apply new radio high-speed train mode determination and false alarm suppression in HST deployments. The UE combines a plurality of indications associated with a high-speed train (HST) mode detection into a consolidated HST mode configuration signal. The UE determines whether to suppress the consolidated HST mode configuration signal based on a mobility metric of the UE and a plurality of thresholds. The UE transitions into a HST mode when the consolidated HST mode configuration signal is not suppressed based on the mobility metric of the UE exceeding at least one of the plurality of thresholds. As a result, false HST mode flags may be avoided and HST mode detection success rates may thereby be improved.

公开(公告)号：US20250031110A1

公开(公告)日：2025-01-23

申请号：US18716714

申请日：2022-02-04

Applicant: QUALCOMM Incorporated

Inventor： Wenjing LIU ,  Xianwei ZHU ,  Yifan DU ,  Nanrun WU ,  Arvind Vardarajan SANTHANAM ,  Peng HU ,  Jiaheng LIU ,  Hewu GU ,  Xiaochen CHEN ,  Sumit Kumar SINGH ,  Jun DENG ,  Xiaoning LU ,  Tom CHIN ,  Xuqiang ZHANG

IPC: H04W36/00 ,  H04B17/318

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may compare an external list of ping pong handovers or redirections that is maintained by an access point, and an internal list of ping pong handovers or redirections that is maintained by the UE. The UE may identify a ping pong detection criterion, for a handover or redirection between a first network node and a second network node, based, at least in part, on the external list, the internal list, both the external list and the internal list, or neither of the external list nor the internal list indicating a previous ping pong handover or redirection between the first network node and the second network node. Numerous other aspects are described.

公开(公告)号：US20250119825A1

公开(公告)日：2025-04-10

申请号：US18832383

申请日：2022-03-29

Applicant: QUALCOMM Incorporated

Inventor： Jie MAO ,  Hong YU ,  Wei LI ,  Nanrun WU ,  Jie ZHU ,  Xinyu WANG ,  Tom CHIN

IPC: H04W48/20 ,  H04B17/318 ,  H04L25/02 ,  H04W24/08 ,  H04W36/08

Abstract: Apparatus, methods, and computer-readable media for facilitating determining or predicting a communication state of a UE based on, for example, measurements performed at the UE are disclosed herein. The communication state of the UE, such as an HST state or a non-HST state, may also be associated with a mobility state, such as stationary or moving. The UE may communicate based on the communication state. An example method for wireless communication at a UE includes establishing a connection with a network node. The example method also includes measuring one or more signals received from the network node over a time period. The example method also includes communicating with the network node based on a communication state of the UE, the communication state of the UE based at least in part on a history of measurements performed on the one or more signals received over the time period.

公开(公告)号：US20250024309A1

公开(公告)日：2025-01-16

申请号：US18712130

申请日：2022-01-19

Applicant: QUALCOMM Incorporated

Inventor： Jiaheng LIU ,  Arvind Vardarajan SANTHANAM ,  Mouaffac AMBRISS ,  Nanrun WU ,  Kuo-Chun LEE ,  Yuyi LI ,  Rong YANG ,  Zhengyi LI ,  Yunjia NIU ,  Xuqiang ZHANG ,  Tom CHIN ,  Wei-Jei SONG

IPC: H04W28/02 ,  H04W24/10 ,  H04W72/1268 ,  H04W76/15

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from an application processor associated with the UE, an indication of a traffic service type and whether an uplink data stall has occurred. The UE may detect that one or more threshold criteria are satisfied for a serving cell, wherein a threshold value associated with at least one of the one or more threshold criteria is based at least in part on the traffic service type. The UE may transmit information associated with one or more adjusted measurement values of the serving cell based at least in part on detecting that the one or more threshold criteria are satisfied. Numerous other aspects are described.

公开(公告)号：US20240314648A1

公开(公告)日：2024-09-19

申请号：US18571145

申请日：2021-08-20

Applicant: QUALCOMM Incorporated

Inventor： Zhanyi LIU ,  Yongle WU ,  Rashmi Ranjan MOHANTY ,  Jing LI ,  Rajarajan RAJENDRAN ,  Jie MAO ,  Ashok MANTRAVADI ,  Jie ZHU ,  Nanrun WU

IPC: H04W36/00 ,  H04W36/30

CPC classification number: H04W36/0058 ,  H04W36/302 ,  H04W36/304

Abstract: Methods, systems, and devices for wireless communications at a user equipment (UE) are described. The UE may identify that the UE is operating in a high mobility environment, that a first reference signal received power associated with a first cell is decreasing, and that a second reference signal received power associated with a second cell is increasing. The UE may transmit a request for a handover from the first cell to the second cell based on the identifying, the transmitting performed at a time that may be based on one or more network-configured handover timing parameters having one or more values adjusted by the UE. The UE may receive a handover command in response to transmitting the request for handover. The UE may perform a handover from the first cell to the second cell in response to the handover command.

公开(公告)号：US20240172295A1

公开(公告)日：2024-05-23

申请号：US18548869

申请日：2021-05-29

Applicant: QUALCOMM Incorporated

Inventor： Yuyu YAN ,  Liang HONG ,  Jie MAO ,  Levent AYDIN ,  Erman KOKEN ,  yongle WU ,  Rebecca Wen-Ling YUAN ,  Ziad AHMAD ,  Brian Clarke BANISTER ,  Ashok MANTRAVADI ,  Nanrun WU ,  Xinyu WANG ,  Jie ZHU

IPC: H04W74/0833 ,  H04B17/318 ,  H04W74/08

CPC classification number: H04W74/0833 ,  H04B17/328 ,  H04W74/0866

Abstract: Aspects are provided which allow a UE to apply CFO compensation to resolve mismatched RAPIDs caused by uplink Doppler shifts in HST deployments. The UE obtains one or more RARs each including a RAPID, where each of the RARs is responsive to a random access message including a preamble. The UE determines, in each of a threshold number of the one or more RARs, that the RAPID of a corresponding RAR is different than the preamble of a corresponding random access message. The UE then offsets a carrier frequency for each of one or more subsequent random access messages in response to the determination. As a result, mismatched RAPIDs due to uplink Doppler shifts may be avoided and RACH success rates may thereby be improved.