公开(公告)号：US10237801B2

公开(公告)日：2019-03-19

申请号：US14150556

申请日：2014-01-08

Applicant: QUALCOMM Incorporated

Inventor： Yi Su ,  Sundaresan Tambaram Kailasam ,  Feilu Liu ,  Yongle Wu ,  Joshua Tennyson MacDonald ,  Satish Pavan Kumar Nichanametla ,  Uzma Khan Qazi ,  Aziz Gholmieh ,  Scott Allan Hoover ,  Feng Lu

IPC: H04W36/30 ,  H04W36/08 ,  H04W48/20 ,  H04W84/04

Abstract: Cell reselection for transitioning a user device from a macro cell to a small cell may be performed by comparing a first reselection candidate small cell and a second reselection candidate small cell based on reselection criteria, and selecting a final reselection candidate based on the comparison.

公开(公告)号：US20150045023A1

公开(公告)日：2015-02-12

申请号：US14230585

申请日：2014-03-31

Applicant: QUALCOMM Incorporated

Inventor： Zachary David Rattner ,  Yi Su ,  Mohit Narula ,  Mayank Maheshwari

IPC: H04W48/16

CPC classification number: H04W48/16

Abstract: Methods and apparatus for communication comprise storing a first portion of a set of frequencies in a frequency measurement list, wherein the first portion of the set of frequencies includes a first sequence of one or more frequencies. The methods and apparatus further comprise storing a second portion of the set of frequencies in a frequency waitlist when a maximum frequency measurement list size meets or exceeds a maximum frequency measurement list size threshold value, wherein the second portion of the set of frequencies includes a second sequence of one or more frequencies. Moreover, the methods and apparatus comprise performing a communication procedure based on one or more frequencies stored in one or both of the frequency measurement list and the frequency waitlist.

Abstract translation: 用于通信的方法和装置包括将一组频率的第一部分存储在频率测量列表中，其中该组频率的第一部分包括一个或多个频率的第一序列。 所述方法和装置还包括当最大频率测量列表大小达到或超过最大频率测量列表大小阈值时，将该组频率的第二部分存储在频率等待列表中，其中该组频率的第二部分包括第二 一个或多个频率的序列。 此外，所述方法和装置包括基于存储在频率测量列表和频率候选列表中的一个或两个中的一个或多个频率来执行通信过程。

公开(公告)号：US10952241B2

公开(公告)日：2021-03-16

申请号：US15713588

申请日：2017-09-22

Applicant: QUALCOMM Incorporated

Inventor： Alberto Rico Alvarino ,  Tom Sesnic ,  Yi Su ,  Wanshi Chen

IPC: H04W74/00 ,  H04W48/12 ,  H04L5/00

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for implementing one or more ECCE index determinations for MPDCCH in special subframes in eMTC using communications systems operating according to new radio (NR) technologies. For example, a method for wireless communications may include determining a type of channel is scheduled to be transmitted across multiple subframes, determining a first subframe of the multiple subframes is of a first subframe type that is different than a second subframe type of one or more other subframes of the multiple subframes, and determining resources for a decoding candidate of a channel based, at least in part, on the first subframe type and the second subframe type.

公开(公告)号：US09847830B2

公开(公告)日：2017-12-19

申请号：US14997400

申请日：2016-01-15

Applicant: QUALCOMM Incorporated

Inventor： Shashank Maiya ,  Yi Su ,  Harish Venkatachari ,  Nate Chizgi

IPC: H04B7/26 ,  H04W56/00 ,  H04B1/7075 ,  H04J11/00 ,  H04L27/26

CPC classification number: H04B7/2681 ,  H04B1/70755 ,  H04J11/0073 ,  H04L27/2655 ,  H04L27/2675 ,  H04W56/005

Abstract: The present disclosure describes a method and an apparatus for pruning false peaks during slot synchronization at a user equipment (UE). For example, a method is provided to identify a plurality of first peaks associated with a primary-synchronization channel (P-SCH) received at the UE and a plurality of second peaks from the plurality of first peaks. Further, one or more pruning locations along with associated energy thresholds for each of the plurality of the second peaks may be determined and whether a peak of the plurality of the first peaks is a false peak is identified based on whether the peak is located at one of the one or more pruning locations of the peak and an associated energy value of the peak does not satisfy the associated energy threshold of the pruning location. Furthermore, the peak identified as the false peak is discarded.

公开(公告)号：US09723527B2

公开(公告)日：2017-08-01

申请号：US14045388

申请日：2013-10-03

Applicant: QUALCOMM Incorporated

Inventor： Yi Su ,  Harish Venkatachari ,  Sundaresan Tambaram Kailasam ,  Uzma Khan ,  Preyas Devangbhai Desai

IPC: H04W36/00 ,  H04W36/08 ,  H04W76/04

CPC classification number: H04W36/08 ,  H04W48/16 ,  H04W48/20 ,  H04W76/28

Abstract: Methods and apparatus for wireless communication for improving back to back cell reselection that includes establishing that cell reselection to a primary candidate cell has failed. Afterwards, a UE determines if a set of predetermined conditions have been triggered and schedules cell reselection to a secondary candidate based on whether the set of predetermined conditions have been triggered.

公开(公告)号：US20140133472A1

公开(公告)日：2014-05-15

申请号：US13950696

申请日：2013-07-25

Applicant: QUALCOMM Incorporated

Inventor： Yi Su ,  Sharif Ahsanul Matin ,  Ahmad Bilal Hasan ,  Ramesh Chandra Chirala ,  Atin Kumar ,  An-Swol Clement Hu

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04B1/7083 ,  H04B7/0417 ,  H04B7/0837 ,  H04W56/00

Abstract: Apparatus and methods of receive diversity (RxD) full cell search by a user equipment (UE) in a wireless communication system are described. In an aspect, a first set of received energies of a first signal received at a first antenna and a second set of received energies of a second signal received at a second antenna may be separately determined. Based thereon, a set of peak energies and corresponding antenna indices, along with a slot timing of at least one cell corresponding to the set of peak energies and corresponding antenna indices, may be determined A frame timing and a scrambling code for the at least one cell then may be determined using a respective one of the first antenna and the second antenna corresponding to each of the set of peak energies and the corresponding antenna indices, along with the respective slot timing of the at least one cell.

Abstract translation: 描述了无线通信系统中的用户设备（UE）的接收分集（RxD）全小区搜索的装置和方法。 在一个方面，可以分别确定在第一天线接收的第一信号的第一组接收能量和在第二天线接收的第二信号的第二接收能量集合。 基于此，可以确定一组峰值能量和对应的天线索引以及对应于该峰值能量集合和对应的天线索引的至少一个单元的时隙定时。帧定时和用于该至少一个 然后可以使用与所述一组峰值能量和相应的天线索引中的每一个对应的第一天线和第二天线中的相应一个以及至少一个小区的相应时隙定时来确定小区。

公开(公告)号：US10200918B2

公开(公告)日：2019-02-05

申请号：US15681637

申请日：2017-08-21

Applicant: QUALCOMM Incorporated

Inventor： Achaleshwar Sahai ,  Yi Su ,  Shashidhar Vummintala ,  Masato Kitazoe

IPC: H04B7/14 ,  H04W36/00 ,  H04L1/08 ,  H04L5/00 ,  H04W72/00

Abstract: The present disclosure provides a mechanism that may allow a UE to determine whether PBCH repetition is enabled in the target cell without performing a hypothesis test. For example, the apparatus may receive a handover message from a serving cell. In an aspect, the handover message may be associated with a handover procedure to a target cell. In addition, the apparatus may determine whether to perform a hypothesis test to determine if a PBCH repetition is enabled in the target cell based on the handover message. In one example, the apparatus may determine not to perform the hypothesis test when the handover message includes information that indicates if the PBCH repetition is enabled in the target cell. In another example, the apparatus may determine to perform the hypothesis test when the handover message does not include information that indicates if the PBCH repetition is enabled in the target cell.

公开(公告)号：US09432918B2

公开(公告)日：2016-08-30

申请号：US13950696

申请日：2013-07-25

Applicant: QUALCOMM Incorporated

Inventor： Yi Su ,  Sharif Ahsanul Matin ,  Ahmad Bilal Hasan ,  Ramesh Chandra Chirala ,  Atin Kumar ,  An-Swol Clement Hu

IPC: H04B7/02 ,  H04W48/16 ,  H04B1/7083 ,  H04B7/04 ,  H04B7/08 ,  H04W56/00

CPC classification number: H04W48/16 ,  H04B1/7083 ,  H04B7/0417 ,  H04B7/0837 ,  H04W56/00

Abstract: Apparatus and methods of receive diversity (RxD) full cell search by a user equipment (UE) in a wireless communication system are described. In an aspect, a first set of received energies of a first signal received at a first antenna and a second set of received energies of a second signal received at a second antenna may be separately determined. Based thereon, a set of peak energies and corresponding antenna indices, along with a slot timing of at least one cell corresponding to the set of peak energies and corresponding antenna indices, may be determined. A frame timing and a scrambling code for the at least one cell then may be determined using a respective one of the first antenna and the second antenna corresponding to each of the set of peak energies and the corresponding antenna indices, along with the respective slot timing of the at least one cell.

Abstract translation: 描述了无线通信系统中的用户设备（UE）的接收分集（RxD）全小区搜索的装置和方法。 在一个方面，可以分别确定在第一天线接收的第一信号的第一组接收能量和在第二天线接收的第二信号的第二接收能量集合。 基于此，可以确定一组峰值能量和对应的天线索引，以及与峰值能量集合和对应的天线索引相对应的至少一个单元的时隙定时。 然后可以使用与峰值能量集合和对应的天线索引中的每一个对应的第一天线和第二天线中的相应一个以及相应的时隙定时来确定用于至少一个小区的帧定时和扰码 的至少一个细胞。