公开(公告)号：US20150049741A1

公开(公告)日：2015-02-19

申请号：US14459651

申请日：2014-08-14

Applicant: QUALCOMM Incorporated

Inventor： Wanshi Chen ,  Peter Gaal ,  Durga Prasad Malladi ,  Tao Luo ,  Aleksandar Damnjanovic ,  Naga Bhushan ,  Tingfang Ji ,  Yongbin Wei

IPC: H04W72/04 ,  H04W56/00

CPC classification number: H04W16/14 ,  H04W48/08 ,  H04W48/12 ,  H04W48/16 ,  H04W56/00 ,  H04W56/0005 ,  H04W56/0015 ,  H04W72/0446 ,  H04W72/0453

Abstract: Long term evolution (LTE)/LTE-Advanced (LTE-A) deployments with unlicensed spectrum leverage more efficient LTE communication aspects over unlicensed spectrum, such as over WIFI radio access technology. In order to accommodate such communications, various downlink procedures may be modified in order to handle communications between licensed and unlicensed spectrum with LTE/LTE-A deployments with unlicensed spectrum.

Abstract translation: 具有无许可频谱的长期演进（LTE）/ LTE-Advanced（LTE-A）部署通过非授权频谱利用更高效的LTE通信方面，例如通过WIFI无线电接入技术。 为了适应这种通信，可以修改各种下行链路过程，以便处理许可和非许可频谱之间的通信与具有未许可频谱的LTE / LTE-A部署。

公开(公告)号：US20150049712A1

公开(公告)日：2015-02-19

申请号：US14459676

申请日：2014-08-14

Applicant: QUALCOMM Incorporated

Inventor： Wanshi Chen ,  Peter Gaal ,  Durga Prasad Malladi ,  Tao Luo ,  Tingfang Ji ,  Naga Bhushan ,  Yongbin Wei ,  Aleksandar Damnjanovic

IPC: H04W72/04 ,  H04L27/00 ,  H04W74/08

CPC classification number: H04W72/04 ,  H04L5/001 ,  H04L5/003 ,  H04L27/0006 ,  H04W16/14 ,  H04W72/1215 ,  H04W74/0833

Abstract: Long term evolution (LTE)/LTE-Advanced (LTE-A) deployments with unlicensed spectrum leverage more efficient LTE communication aspects over unlicensed spectrum, such as over WIFI radio access technology. In order to accommodate such communications, various uplink procedures may be modified in order to handle communications between licensed and unlicensed spectrum with LTE/LTE-A deployments with unlicensed spectrum.

Abstract translation: 具有无许可频谱的长期演进（LTE）/ LTE-Advanced（LTE-A）部署通过非授权频谱利用更高效的LTE通信方面，例如通过WIFI无线电接入技术。 为了适应这种通信，可以修改各种上行链路过程，以便处理许可和非许可频谱之间的通信与具有未许可频谱的LTE / LTE-A部署。

公开(公告)号：US20150043523A1

公开(公告)日：2015-02-12

申请号：US14454400

申请日：2014-08-07

Applicant: QUALCOMM Incorporated

Inventor： Tao Luo ,  Wanshi Chen ,  Naga Bhushan ,  Durga Prasad Malladi ,  Yongbin Wei ,  Srinivas Yerramalli ,  Tingfang Ji ,  Peter Gaal

IPC: H04W16/14 ,  H04W72/04

CPC classification number: H04W16/14 ,  H04B1/713 ,  H04L5/001 ,  H04L5/0012 ,  H04L5/0041 ,  H04L27/0006 ,  H04W36/22

Abstract: Methods, systems, and apparatuses are described for wireless communications, in which transmission of common information to two or more receivers over unlicensed spectrum may be provided. The common information may be transmitted over a number (e.g., a set) of different carrier frequencies of the unlicensed spectrum. A staggering pattern may be employed to transmit all or a part of the common information across each of the carrier frequencies in the set of carrier frequencies. The detection of the information on one of the carrier frequencies may provide information that may be used to derive the staggering pattern. The duration of the common information transmission on each of the carrier frequencies may be selected such that a clear channel assessment (CCA) to determine availability of the unlicensed spectrum is not required.

Abstract translation: 描述了用于无线通信的方法，系统和装置，其中可以提供通过未许可频谱向两个或更多个接收机传送公共信息。 公共信息可以通过非许可频谱的不同载波频率的数量（例如，一组）来发送。 可以采用交错模式来在载波频率集合中的每个载波频率上发送全部或一部分公共信息。 对载波频率之一上的信息的检测可以提供可用于导出交错模式的信息。 可以选择每个载波频率上的公共信息传输的持续时间，使得不需要用于确定未许可频谱的可用性的清晰信道评估（CCA）。

公开(公告)号：US20140233530A1

公开(公告)日：2014-08-21

申请号：US14181580

申请日：2014-02-14

Applicant: QUALCOMM Incorporated

Inventor： Aleksandar Damnjanovic ,  Durga Prasad Malladi ,  Ajay Gupta ,  Peter Gaal ,  Wanshi Chen ,  Yongbin Wei ,  Tao Luo

IPC: H04W36/34 ,  H04W74/08

CPC classification number: H04W74/006 ,  H04J11/0069 ,  H04L5/0032 ,  H04W36/0077 ,  H04W36/34 ,  H04W48/12 ,  H04W52/0206 ,  H04W74/0833

Abstract: A method, a computer program product, and an apparatus are provided. The apparatus may be a UE. The UE receives an information block from a first base station while camped on a second base station. In an aspect, the information block includes an indication of a random access configuration for performing at least a part of a random access procedure. The UE determines to reselect to the first base station from the second base station. The UE performs at least a part of a random access procedure with the first base station based on the indicated random access configuration to reselect from a second base station to the first base station.

Abstract translation: 提供了一种方法，计算机程序产品和装置。 该装置可以是UE。 UE在第二基站驻留时，从第一基站接收信息块。 在一方面，信息块包括用于执行随机访问过程的至少一部分的随机访问配置的指示。 UE确定从第二基站重新选择到第一基站。 UE基于所指示的随机接入配置，与第一基站进行随机接入过程的至少一部分，以从第二基站重新选择到第一基站。

公开(公告)号：US20140198726A1

公开(公告)日：2014-07-17

申请号：US14150248

申请日：2014-01-08

Applicant: QUALCOMM Incorporated

Inventor： Hao Xu ,  Wanshi Chen ,  Peter Gaal ,  Tingfang Ji ,  Miguel Griot

IPC: H04W24/02

CPC classification number: H04W72/005 ,  H04L41/0866 ,  H04W4/70 ,  H04W24/02 ,  H04W28/18 ,  H04W48/10 ,  H04W48/16 ,  H04W72/048 ,  H04W92/18

Abstract: Methods, systems, and devices are described for facilitating Machine Type Communication in a wireless communications system. Link budget-limited MTC devices, may be supported. An MTC physical broadcast channel may be utilized for the Machine Type Communication. The MTC physical broadcast channel may be transmitted over one or more subframes different from a regular physical broadcast channel. The payload for the MTC physical broadcast channel may be reduced. The MTC physical broadcast channel may also be utilized to indicate the presence of paging and/or to indicate a change in system information. Some embodiments utilize one or more MTC-specific system information blocks. The MTC-specific system information blocks may combine and/or simplify multiple system information blocks. The location of the MTC system information blocks may be predetermined or information about their location may be transmitted over the MTC physical broadcast channel. An enhanced paging channel may be used to indicate system information updates.

Abstract translation: 描述了用于促进无线通信系统中的机器类型通信的方法，系统和设备。 可以支持链路预算有限的MTC设备。 MTC物理广播信道可以用于机器类型通信。 可以通过与常规物理广播信道不同的一个或多个子帧来发送MTC物理广播信道。 可以减少用于MTC物理广播信道的有效载荷。 MTC物理广播信道也可以用于指示寻呼的存在和/或指示系统信息的改变。 一些实施例利用一个或多个MTC特定系统信息块。 MTC特定系统信息块可以组合和/或简化多个系统信息块。 MTC系统信息块的位置可以是预定的，或者关于它们的位置的信息可以通过MTC物理广播信道来发送。 可以使用增强的寻呼信道来指示系统信息更新。

公开(公告)号：US20140112261A1

公开(公告)日：2014-04-24

申请号：US13839227

申请日：2013-03-15

Applicant: QUALCOMM INCORPORATED

Inventor： Wanshi Chen ,  Peter Gaal ,  Hao Xu

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/2656 ,  H04L5/0023 ,  H04L5/1469

Abstract: Methods and apparatus for determining a PRS configuration in a dynamic TDD configuration adaptation are described. One example method generally includes determining a first PRS configuration for receiving PRS when communicating according to a first subframe configuration that defines one or more uplink subframes and one or more downlink subframes, receiving an indication of a switch from the first subframe configuration to a second subframe configuration, and determining a second PRS configuration for receiving PRS when communicating according to the second subframe configuration.

Abstract translation: 描述了在动态TDD配置适配中确定PRS配置的方法和装置。 一个示例性方法通常包括：确定用于在根据定义一个或多个上行链路子帧和一个或多个下行链路子帧的第一子帧配置进行通信时接收PRS的第一PRS配置，从第一子帧配置接收到交换机的指示到第二子帧 配置，并且确定用于在根据第二子帧配置进行通信时接收PRS的第二PRS配置。

公开(公告)号：US20140112168A1

公开(公告)日：2014-04-24

申请号：US13773316

申请日：2013-02-21

Applicant: QUALCOMM INCORPORATED

Inventor： Wanshi Chen ,  Peter Gaal ,  Hao Xu ,  Yongbin Wei ,  Stefan Geirhofer

IPC: H04B7/04

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/046 ,  H04B7/0602 ,  H04B7/0613 ,  H04B7/0615 ,  H04B7/0619 ,  H04B7/0634 ,  H04B7/0684 ,  H04B7/0697 ,  H04B7/0802 ,  H04J11/005 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0073 ,  H04L5/14 ,  H04L25/0206

Abstract: Enhanced sounding reference signal (SRS) transmissions for multiple input, multiple output (MIMO) operation are disclosed in which a user equipment (UE) detects an observed interference level for each receiver chain of the UE. In response to an imbalance, the UE precodes a SRS targeting downlink operation to indicate the imbalance. The UE then transmits the precoded SRS. In alternative aspects, the precoded SRS vector may be determined by an evolved nodeB (eNB). In such aspects, the eNB determines the precoded SRS vector targeting downlink operations for the served UEs, wherein the determined precoded SRS vector includes determining the precoded SRS vector on a per UE basis, enabling the precoded SRS vector for either one or both of frequency division duplex (FDD) systems and time division duplex (TDD) systems, or enabling the precoded SRS vector for aperiodic SRS only. The eNB then transmits the determined precoded SRS vector to the UE.

Abstract translation: 公开了用于多输入多输出（MIMO）操作的增强的探测参考信号（SRS）传输，其中用户设备（UE）检测UE的每个接收机链的观测到的干扰等级。 响应于不平衡，UE预编码针对下行链路操作的SRS以指示不平衡。 然后，UE发送预编码的SRS。 在替代方面，预编码的SRS向量可以由演进节点B（eNB）确定。 在这些方面中，eNB确定针对所服务的UE的针对下行链路操作的预编码的SRS矢量，其中所确定的预编码的SRS矢量包括在每个UE的基础上确定预编码的SRS矢量，使得能够对分频中的一个或两者进行预编码的SRS矢量 双工（FDD）系统和时分双工（TDD）系统，或仅使经过预编码的SRS矢量用于非周期性SRS。 然后，eNB将确定的预编码的SRS向量发送给UE。

公开(公告)号：US20130343301A1

公开(公告)日：2013-12-26

申请号：US13923067

申请日：2013-06-20

Applicant: QUALCOMM Incorporated

Inventor： Stefan Geirhofer ,  Wanshi Chen ,  Hao Xu ,  Peter Gaal

IPC: H04B7/02

CPC classification number: H04B7/024 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0057 ,  H04L25/0224 ,  H04L25/03891

Abstract: Certain aspects of the present disclosure provide methods and apparatus for joint support of coordinated multipoint (CoMP) operations and carrier aggregation (CA). One method generally includes receiving signaling indicating a configuration, from a set of possible configurations, that defines how the UE is to communicate with one or more base stations (BSs) using coordinated multipoint (CoMP) operations on one or more component carriers (CCs) and communicating in accordance with the configuration.

Abstract translation: 本公开的某些方面提供了用于联合支持协同多点（CoMP）操作和载波聚合（CA））的方法和装置。 一种方法通常包括从一组可能的配置接收指示配置的信令，其定义了如何使用对一个或多个分量载波（CC）的协调多点（CoMP）操作来与一个或多个基站（BS）通信， 并根据配置进行通信。

公开(公告)号：US20130336260A1

公开(公告)日：2013-12-19

申请号：US13968796

申请日：2013-08-16

Applicant: QUALCOMM Incorporated

Inventor： Jelena M. Damnjanovic ,  Juan Montojo ,  Peter Gaal ,  Wanshi Chen ,  Sai Yiu Duncan Ho

IPC: H04W72/04

CPC classification number: H04W72/0453 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04W74/0866

Abstract: Systems and methodologies are described that facilitate selecting an uplink carrier for random access within a wireless environment having multiple carriers. Selection of an uplink carrier for random access can be randomly selected from a set of available uplink carriers. Additionally, the uplink carrier for random access can be selected based upon which uplink carrier is paired with an anchor carrier. Further, the uplink carrier for random access can be identified based upon a bandwidth related to the user equipment (UE). Reference signals can also be employed in order to identify an uplink carrier to perform random access.

Abstract translation: 描述了有助于在具有多个载波的无线环境中选择用于随机接入的上行链路载波的系统和方法。 可以从一组可用的上行链路载波中随机选择用于随机接入的上行链路载波的选择。 另外，可以基于哪个上行链路载波与锚定载波配对来选择用于随机接入的上行链路载波。 此外，可以基于与用户设备（UE）相关的带宽来识别用于随机接入的上行链路载波。 也可以使用参考信号来识别上行链路载波以执行随机接入。

公开(公告)号：US20130308575A1

公开(公告)日：2013-11-21

申请号：US13946802

申请日：2013-07-19

Applicant: QUALCOMM Incorporated

Inventor： Wanshi Chen ,  Juan Montojo ,  Arnaud Meylan

IPC: H04W52/14

CPC classification number: H04W52/146 ,  H04W52/16 ,  H04W52/367 ,  H04W52/50

Abstract: Transmit power is controlled for a first uplink data transmission on Physical Uplink Shared Channel (PUSCH) during random access channel (RACH) procedure. Power control adjustment for the first PUSCH transmission is performed relative to the power spectral density used for successful PRACH transmission as adjusted for bandwidth difference, etc. The uplink Physical random access channel carries the RACH information that is transmitted by the user equipment (UE) during registrations or base station originated calls. A PRACH is composed of a number of preambles and a message portion. The preambles are a series of radio frequency power “steps” that increase in power according to the power step setting until the maximum number of preambles is reached or the base station acknowledges. Once the UE receives a positive indication, it transmits the message portion of the PRACH which consists of message data and control data with independent power gain control.

Abstract translation: 在随机接入信道（RACH）过程期间，对物理上行链路共享信道（PUSCH）上的第一上行链路数据传输进行发送功率的控制。 相对于针对带宽差等进行调整的成功的PRACH传输所使用的功率谱密度，执行用于第一PUSCH传输的功率控制调整。上行物理随机接入信道携带由用户设备（UE）发送的RACH信息 注册或基站发起呼叫。 PRACH由许多前导码和消息部分组成。 前导码是一系列射频功率“步骤”，其根据功率步长设置增加功率，直到达到最大数量的前同步码或基站确认。 一旦UE收到肯定的指示，它就会发送由消息数据和控制数据组成的PRACH的消息部分，并具有独立的功率增益控制。