公开(公告)号：US20230098652A1

公开(公告)日：2023-03-30

申请号：US17949044

申请日：2022-09-20

Applicant: QUALCOMM Incorporated

Inventor： Arash Ebadi Shahrivar ,  Peter Pui Lok Ang ,  Chinmay Shankar Vaze ,  Brian Clarke Banister ,  Raghu Narayan Challa ,  Alexei Yurievitch Gorokhov ,  Aamod Khandekar ,  Chun-Hao Hsu ,  Gautham Hariharan ,  Ambarish Tripathi ,  Shailesh MAHESHWARI ,  Sivaguru NARASAREDDY

IPC: H04B7/08

Abstract: Methods, systems, and devices for wireless communications are described that provide for receive chain selection at a user equipment (UE) with efficient switching between a reduced number of receive chains and an increased number of receive chains for downlink communications based on conditions at the UE. A UE may adaptively adjust the number of active receive chains based on downlink grant activity, channel conditions, network parameters, or any combinations thereof. An estimator block at the UE may determine to adjust the number of receive chains based on a number of downlink grants within one or more time periods. In some cases, grants for an amount of data that exceeds a threshold may be qualified in order to be counted at the estimation block. Further, a transient state may be provided where the UE may maintain a higher number of active receive chains until UE feedback is provided.

公开(公告)号：US20230033247A1

公开(公告)日：2023-02-02

申请号：US17872302

申请日：2022-07-25

Applicant: QUALCOMM Incorporated

Inventor： Jun Zhu ,  Chinmay Shankar Vaze ,  Mihir Vijay Laghate ,  Raghu Narayan Challa ,  Alexei Yurievitch Gorokhov ,  Brian Clarke Banister ,  Yongle Wu

IPC: H04W24/08 ,  H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described in which a user equipment (UE) may perform beam measurements for one or more subsets of beams that are selected to provide enhanced beam switch determinations. The UE may identify one or more prioritized beams, and may measure the prioritized beams at a same periodicity as measurements of a serving beam. The UE may, additionally or alternatively, identify a set of all layer one beams (e.g., maximum-level beams or top level beams) for measurement according to a periodic interval, based on a measured mobility being less than a threshold value. The periodic interval may provide that each layer one beam may be measured at a cadence of one beam per measurement occasion, in order to provide measurement diversity.

公开(公告)号：US20220217042A1

公开(公告)日：2022-07-07

申请号：US17143107

申请日：2021-01-06

Applicant: QUALCOMM Incorporated

Inventor： Arvind Vardarajan Santhanam ,  Brian Clarke Banister ,  Kuo-Chun Lee ,  Aamod Khandekar ,  Enoch Shiao-Kuang Lu ,  Satashu Goel ,  Daniel Amerga ,  Karthik Venkatram ,  Subashini Krishnamurthy ,  Xuepan Guan ,  Mouaffac Ambriss ,  Peter Pui Lok Ang ,  James Francis Geekie ,  Sasikanth Reddy Adapata ,  Sundaresan Tambaram Kailasam

IPC: H04L12/24 ,  H04B7/0413 ,  H04W72/04 ,  H04W24/08

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may transmit assistance information to a base station to request an update or a modification to one or more communication parameters configured at the UE. Such communication parameters may include a quantity of uplink multiple-input multiple-output (MIMO) layers, a quantity of downlink MIMO layers, a minimum scheduling offset, a maximum quantity of component carriers, or a maximum aggregated bandwidth for a secondary cell group (SCG). In some implementations, the UE may transmit the assistance information requesting the update or modification to one or more of such communication parameters based on detecting that the UE satisfies one or more triggering conditions or thresholds.

公开(公告)号：US20220174522A1

公开(公告)日：2022-06-02

申请号：US17529113

申请日：2021-11-17

Applicant: QUALCOMM Incorporated

Inventor： Arvind Vardarajan Santhanam ,  Brian Clarke Banister ,  Kuo-Chun Lee ,  Bhupesh Manoharlal Umatt ,  Nitin Pant

IPC: H04W24/08 ,  H04W24/10 ,  H04L5/00 ,  H04W36/08

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to receive a downlink transmission from a first cell, where the downlink transmission includes information for performing one or more actions associated with a second cell. The UE may identify a satisfaction of a trigger condition associated with one or more parameters at the UE based on a power level of the UE being less than or equal to a threshold power level, a throughput at the UE being less than or equal to a threshold throughput, or both. The UE may additionally identify at least one bandwidth associated with the second cell based on a previous wireless connection. The UE may compare, the at least one bandwidth associated with the second cell with a threshold bandwidth. The UE may then perform at least one action associated with a procedure based on the comparing.

公开(公告)号：US20210176013A1

公开(公告)日：2021-06-10

申请号：US17108667

申请日：2020-12-01

Applicant: QUALCOMM Incorporated

Inventor： Ahmed Omar Desouky Ali ,  Brian Clarke Banister ,  Supratik Bhattacharjee ,  Udayan Murli Bhawnani ,  Jittra Jootar ,  Timothy Paul Pals ,  Rebecca Wen-Ling Yuan ,  Arvind Vardarajan Santhanam ,  Zhibin Dang ,  Omesh Kumar Handa ,  Sibasish Das ,  Chetan Jagdeesh Bharadwaj ,  Gautham Hariharan ,  Min Wang ,  Farrukh Rashid ,  Nan Zhang ,  Sumanth Kumar Kota

IPC: H04L1/18 ,  H04W72/12

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may adaptively switch between hybrid automatic repeat request (HARQ) monitoring modes to support power savings. In a first HARQ skipping mode, the UE may transmit an uplink message corresponding to a HARQ identifier and may receive a positive acknowledgment (ACK) message in a HARQ monitoring occasion associated with the HARQ identifier. Upon receiving the ACK message, the UE refrains from monitoring a subsequent HARQ monitoring occasion associated with the HARQ identifier while in the first HARQ skipping mode (e.g., an aggressive HARQ skipping mode). The UE may periodically enter a periodic evaluation mode from the first HARQ skipping mode, in which the UE monitors a subsequent HARQ monitoring occasion after receiving an ACK message to check for false ACK messages. If a false ACK message is detected, the UE enters a first HARQ skipping prohibited mode.

公开(公告)号：US10707979B2

公开(公告)日：2020-07-07

申请号：US16270169

申请日：2019-02-07

Applicant: QUALCOMM Incorporated

Inventor： Raghavendra Shyam Ananda ,  Srikanth Menon ,  Ganesh Nagamani ,  Praveen Maruthoormana Purushothaman ,  Brian Clarke Banister ,  Alberto Rico Alvarino ,  Le Liu

IPC: H04W4/00 ,  H04B17/327 ,  H04W52/02 ,  H04W48/10 ,  H04W52/32

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a plurality of master information blocks (MIBs) on a narrowband physical broadcast channel (NPBCH). The UE may determine an NPBCH signal power based at least in part on the plurality of MIBs. The UE may estimate a narrowband reference signal received power (NRSRP) parameter based at least in part on the NPBCH signal power. In some aspects, a base station may determine whether to enable or disable NPBCH-based estimates of an NRSRP parameter for a UE. The base station may transmit, to the UE, an indication of whether NPBCH-based estimates of the NRSRP parameter are enabled or disabled for the UE based at least in part on the determination. Numerous other aspects are provided.

公开(公告)号：US10694467B2

公开(公告)日：2020-06-23

申请号：US16141699

申请日：2018-09-25

Applicant: QUALCOMM Incorporated

Inventor： Hari Sankar ,  Alexei Yurievitch Gorokhov ,  Michael Lee McCloud ,  Li Zhang ,  Brian Clarke Banister ,  Jittra Jootar ,  Joseph Binamira Soriaga ,  Afshin Shiravi

IPC: H04W52/02 ,  H04W56/00 ,  H04L1/18 ,  H04J1/00

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may support dynamic clock switching within a transmission time interval (TTI) to allow for more efficient and flexible processing within the TTI. In particular, a user equipment (UE) may be configured to use multiple clock speeds for processing signals within a TTI, and the UE may determine a clock speed to use for processing data within a TTI based on control information received from a base station. For example, the UE may determine an amount of time available for processing data based on the control information received from the base station, and the UE may adjust its clock speed to finish processing the data in the determined amount of time.

公开(公告)号：US20190098594A1

公开(公告)日：2019-03-28

申请号：US16141699

申请日：2018-09-25

Applicant: QUALCOMM Incorporated

Inventor： Hari Sankar ,  Alexei Yurievitch Gorokhov ,  Michael Lee McCloud ,  Li Zhang ,  Brian Clarke Banister ,  Jittra Jootar ,  Joseph Binamira Soriaga ,  Afshin Shiravi

IPC: H04W56/00 ,  H04L1/18

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may support dynamic clock switching within a transmission time interval (TTI) to allow for more efficient and flexible processing within the TTI. In particular, a user equipment (UE) may be configured to use multiple clock speeds for processing signals within a TTI, and the UE may determine a clock speed to use for processing data within a TTI based on control information received from a base station. For example, the UE may determine an amount of time available for processing data based on the control information received from the base station, and the UE may adjust its clock speed to finish processing the data in the determined amount of time.

公开(公告)号：US09408221B2

公开(公告)日：2016-08-02

申请号：US13786907

申请日：2013-03-06

Applicant: QUALCOMM Incorporated

Inventor： Shengshan Cui ,  Brandon Allen Burdge ,  Shivratna Giri Srinivasan ,  Brian Clarke Banister ,  Supratik Bhattacharjee ,  Raghu Narayan Challa

IPC: H04W72/08 ,  H04L1/00 ,  H04W24/10 ,  H04W36/14 ,  H04L1/18 ,  H04B17/309 ,  H04B17/382

CPC classification number: H04W72/08 ,  H04B17/309 ,  H04B17/382 ,  H04L1/0025 ,  H04L1/0027 ,  H04L1/1812 ,  H04W24/10 ,  H04W36/14

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for Channel Quality Indicator (CQI) reporting after resumption of Long Term Evolution (LTE) after a temporary suspension. In certain aspects, in order to minimize performance penalty to LTE on resumption after an LTE tune away for example to service a different Radio Access Technology, information available from before the LTE tune away may be used in addition to one or more additional parameters for determining how to perform LTE CQI calculation/update after tuning back to LTE. In certain aspects, a decision regarding whether a User Equipment (UE) reports a CQI based on channel conditions before the LTE tune away or reports a CQI based on channel conditions after tuning back to LTE may be based on a value of the Doppler estimate, a time duration of the LTE tune away, or a combination thereof.

Abstract translation: 本公开的某些方面涉及在临时暂停之后恢复长期演进（LTE）之后的信道质量指示符（CQI）报告的方法和装置。 在某些方面，为了在LTE调离后例如为了服务不同的无线电接入技术而恢复LTE时的性能损失最小化，除了用于确定的一个或多个附加参数之外，还可以使用从LTE调离之前可用的信息 如何在调谐回LTE后执行LTE CQI计算/更新。 在某些方面，关于用户设备（UE）是否在LTE调出之前基于信道状况报告CQI或者在回调到LTE之后基于信道状况报告CQI的决定可以基于多普勒估计值， LTE调谐的持续时间或其组合。

公开(公告)号：US09197267B2

公开(公告)日：2015-11-24

申请号：US14246667

申请日：2014-04-07

Applicant: QUALCOMM Incorporated

Inventor： James Edward Beckman ,  Brian Clarke Banister

IPC: H04B7/02 ,  H04B1/12 ,  H04B7/08 ,  H04L1/00 ,  H04B7/04

CPC classification number: H04B1/123 ,  H04B7/0413 ,  H04B7/0854 ,  H04L1/0055 ,  H04L1/06

Abstract: Certain aspects of the present disclosure relate to techniques and apparatus for performing joint demodulation using a Max-Log MAP algorithm in wireless communications systems. An exemplary method generally comprises receiving a signal comprising one or more serving streams and one or more interfering streams; and processing the signal by performing joint demodulation using a max log map (MLM) algorithm for at least one of the one or more serving streams or at least one of the one or more interfering streams.

Abstract translation: 本公开的某些方面涉及在无线通信系统中使用Max-Log MAP算法执行联合解调的​​技术和装置。 一种示例性方法通常包括接收包括一个或多个服务流和一个或多个干扰流的信号; 以及通过使用用于所述一个或多个服务流中的至少一个或所述一个或多个干扰流中的至少一个的最大对数映射（MLM）算法执行联合解调来处理所述信号。