公开(公告)号：US20210014785A1

公开(公告)日：2021-01-14

申请号：US16509198

申请日：2019-07-11

Applicant: QUALCOMM Incorporated

Inventor： Chinmay Shankar Vaze ,  Arvind Vardarajan Santhanam ,  Yongle Wu ,  Raghu Narayan Challa

IPC: H04W52/02 ,  H04W36/00 ,  H04W48/16

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a set of base stations that are part of a synchronization group, where at least two of the base stations in the set of base stations operate on different frequencies. In some cases, the UE may identify the set of base stations based on an indication transmitted by a serving base station for the UE. Additionally, once the synchronization group is identified, the UE may schedule synchronization signals together from the set of base stations. For example, after identifying the set of base stations, the UE may identify a measurement timing window associated with the synchronization group and measure a respective synchronization signal for each base station within the measurement timing window. Accordingly, the UE may then transmit a measurement report to the serving base station that includes the synchronization signal measurements.

公开(公告)号：US10863366B2

公开(公告)日：2020-12-08

申请号：US16013807

申请日：2018-06-20

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Raghu Narayan Challa ,  Ruhua He ,  Arvind Vardarajan Santhanam ,  Yong Li ,  Muhammad Nazmul Islam ,  Bilal Sadiq

IPC: H04W24/02 ,  H04B7/0408 ,  H04W36/30 ,  H04B7/08 ,  H04B7/06 ,  H04W72/12 ,  H04W72/04

Abstract: Aspects of the present disclosure relate to receiver beamforming for serving and neighbor cell measurements. An exemplary method generally includes communicating with one or more base stations using a first beam type, initiating a transition to communicating with at least one of the one or more base stations using a second beam type in response to an indication of a trigger event, and communicating with the at least one of the one or more base stations using the second beam type.

公开(公告)号：US10743319B2

公开(公告)日：2020-08-11

申请号：US15965351

申请日：2018-04-27

Applicant: QUALCOMM Incorporated

Inventor： Ling Ding ,  Jianghong Luo ,  Raghu Narayan Challa ,  Gideon Shlomo Kutz ,  Vasanthan Raghavan ,  Assaf Touboul ,  Junyi Li

IPC: H04W72/04 ,  H04B7/06 ,  H04L5/00 ,  H04W88/08

Abstract: Certain aspects of the present disclosure provide techniques for beam refinement. The techniques presented herein may allow for beam refinement using an existing frame structure and utilizing resources (receive antenna ports) that may otherwise be idle.

公开(公告)号：US10700753B2

公开(公告)日：2020-06-30

申请号：US16267303

申请日：2019-02-04

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Nazmul Islam ,  Juergen Cezanne ,  Junyi Li ,  Sundar Subramanian ,  Tao Luo ,  Raghu Narayan Challa ,  Ruhua He ,  Yong Li ,  Jun Zhu ,  Tianyang Bai

IPC: H04L5/00 ,  H04B7/06 ,  H04B17/327 ,  H04W72/08 ,  H04W72/04 ,  H04W24/10

Abstract: Aspects of the disclosure relate to a method of operating a scheduled entity for wireless communication. In some aspects, the scheduled entity detects a fluctuation in a beam strength of at least one transmit beam from a scheduling entity. The scheduled entity transmits a first message to the scheduling entity, the first message indicating at least the fluctuation in the beam strength of the at least one transmit beam from the scheduling entity.

公开(公告)号：US10681644B2

公开(公告)日：2020-06-09

申请号：US16157498

申请日：2018-10-11

Applicant: QUALCOMM Incorporated

Inventor： Ling Ding ,  Junsheng Han ,  Raghu Narayan Challa ,  Junyi Li

IPC: H04W52/14 ,  H04W52/32 ,  H04W52/36

Abstract: Method and apparatus are provided for reporting and receiving actual UL transmission power. In accordance with some implementation, a UE may send a first indication of power headroom to a base station. The UE may receive one or more resources allocation for a UL transmission. The UE then may determine actual transmission power to be used in the UL transmission. Upon determination, the UE may transmit the UL transmission and send an indication of the actual transmission power to the base station. The base station, in response to receiving an indication of actual transmission power of the first UL transmission, may adjust an estimate of the link quality based on the receive indication of actual transmission power.

公开(公告)号：US20150293574A1

公开(公告)日：2015-10-15

申请号：US14519855

申请日：2014-10-21

Applicant: QUALCOMM Incorporated

Inventor： Navid Ehsan ,  Praveen Appu ,  Raghu Narayan Challa

IPC: G06F1/32

CPC classification number: G06F1/3206 ,  G06F1/3234 ,  G06F1/324 ,  G06F1/3296 ,  H04W52/0229 ,  H04W52/029 ,  H04W76/28 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/23 ,  Y02D70/24 ,  Y02D70/25

Abstract: A method for power optimization by an apparatus is disclosed. The method includes identifying one or more network parameters that affect one or more of a processing rate and a power usage of the processor in a connected state. The method also includes identifying a trigger event for the one or more network parameters. The method further includes adjusting a performance of the processor in the connected state when the trigger event occurs.

Abstract translation: 公开了一种通过设备进行功率优化的方法。 该方法包括识别在连接状态下影响处理器的处理速率和功率使用中的一个或多个的一个或多个网络参数。 该方法还包括识别一个或多个网络参数的触发事件。 该方法还包括当触发事件发生时调整处于连接状态的处理器的性能。

公开(公告)号：US09078205B2

公开(公告)日：2015-07-07

申请号：US13787130

申请日：2013-03-06

Applicant: QUALCOMM Incorporated

Inventor： Rebecca Wen-Ling Yuan ,  Raghu Narayan Challa

IPC: H03D1/04 ,  H04W56/00 ,  H04L25/02 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04W56/00 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/1469 ,  H04L25/0202 ,  H04L25/0212 ,  H04L25/0228

Abstract: Certain aspects of the present disclosure relate to techniques and apparatus for enabling non-destaggered channel estimation. In aspects, a method for wireless communications is provided including determining a first channel impulse response (CIR) based on a first set of received reference signals staggered in time, determining a second CIR based on a second set of received reference signals from the same sub-frame time slot, wherein a reference signal is associated with one of a plurality of virtual transmit antenna ports, and aligning the first CIR and the second CIR based, at least in part, on a time tracking loop (TTL) timing offset.

Abstract translation: 本公开的某些方面涉及用于启用不消散信道估计的技术和装置。 在方面中，提供了一种用于无线通信的方法，包括：基于接收到的参考信号的第一组在时间上交错确定第一信道脉冲响应（CIR），基于来自相同子信道的第二组接收到的参考信号确定第二CIR 帧时隙，其中参考信号与多个虚拟发射天线端口中的一个相关联，并且至少部分地基于时间跟踪环路（TTL）定时偏移来对准第一CIR和第二CIR。

公开(公告)号：US20140031037A1

公开(公告)日：2014-01-30

申请号：US13953502

申请日：2013-07-29

Applicant: QUALCOMM Incorporated

Inventor： Sachin Jain ,  Debesh Kumar Sahu ,  Peter Gaal ,  Raghu Narayan Challa

IPC: H04W36/24

CPC classification number: H04W36/24 ,  H04W36/0083 ,  H04W36/08 ,  H04W48/20 ,  H04W72/12

Abstract: Cell selection procedures performed in a wireless network are disclosed that include determining a uplink/downlink (ULDL) preference of a User Equipment (UE) in communication with a first evolved Node B (eNB) having a first ULDL configuration and a second eNB having a second ULDL configuration. The UE compares the first and second ULDL configurations to the ULDL preference. The UE selects the first eNB based on the first ULDL configuration matching the ULDL preference. In alternative aspects, a first eNB having a first ULDL configuration and in communication with a UE receives the ULDL preference of the UE. The first eNB compares the first ULDL configuration and a second ULDL configuration of a second eNB in communication with the UE to the ULDL preference. The first eNB selects the second eNB based on the second ULDL configuration matching the ULDL preference.

Abstract translation: 公开了在无线网络中执行的小区选择过程，其包括确定与具有第一ULDL配置的第一演进节点B（eNB）通信的用户设备（UE）的上行链路/下行链路（ULDL）优先级，以及具有 第二个ULDL配置。 UE将第一和第二ULDL配置与ULDL偏好进行比较。 UE基于与ULDL优选匹配的第一ULDL配置来选择第一eNB。 在备选方面，具有第一ULDL配置并与UE通信的第一eNB接收UE的ULDL偏好。 第一eNB将第一ULDL配置和与UE通信的第二eNB的第二ULDL配置与ULDL优选进行比较。 第一eNB基于与ULDL优选匹配的第二ULDL配置来选择第二eNB。

公开(公告)号：US12170559B2

公开(公告)日：2024-12-17

申请号：US18150556

申请日：2023-01-05

Applicant: QUALCOMM Incorporated

Inventor： Surendra Kompala ,  Sachin Jain ,  Mihir Vijay Laghate ,  Isan Doshi ,  Raghu Narayan Challa

IPC: H04B7/06

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may identify, based at least in part on a scaling factor, one or more phase weights associated with a transmit beam of the wireless communication device. The scaling factor is associated with a frequency in a frequency band associated with the wireless communication device. The wireless communication device may generate, based at least in part on the one or more phase weights, the transmit beam. The wireless communication device may transmit a wireless communication using the transmit beam. Numerous other aspects are described.

公开(公告)号：US12150106B2

公开(公告)日：2024-11-19

申请号：US18050034

申请日：2022-10-26

Applicant: QUALCOMM Incorporated

Inventor： Mihir Vijay Laghate ,  Raghu Narayan Challa ,  Jun Zhu ,  Mingming Cai ,  Yong Li ,  Ruhua He

IPC: H04W24/10 ,  H04W8/08 ,  H04W16/28 ,  H04W72/044

Abstract: A UE may be configured to select narrower or wider beams that may be suitable for use with a current UE mobility, scattering environment, etc. The UE may track changes to an identified beam of a certain width, and so may recover from tracking or other radio link failures by switching to a beam that is spatially adjacent or to a beam of a different width. The UE may identify a first beam associated with a first beam width based on at least one reference signal received by the UE. The UE may further determine a set of beams based on the first beam width that is associated with the identified first beam, and the determined set of beams may include at least one beam corresponding to the first beam width. The UE may further measure respective channel qualities associated with each beam of the determined set of beams.