公开(公告)号：US20150043538A1

公开(公告)日：2015-02-12

申请号：US14454467

申请日：2014-08-07

Applicant: QUALCOMM Incorporated

Inventor： Hao Xu ,  Yongbin Wei

IPC: H04W36/16 ,  H04W36/00 ,  H04W36/04

CPC classification number: H04W36/165 ,  H04W16/32 ,  H04W36/0033 ,  H04W36/04 ,  H04W72/0453 ,  H04W76/15

Abstract: Wireless communication systems and methods are described where communication is established with a user device at a low frequency. Coarse channel information, such as pathloss, power delay profile, and multipath direction information, regarding the communication between a wireless network device and the user device at the low frequency may then be used to establish communication with the user device at a high frequency.

Abstract translation: 描述了以低频率与用户设备建立通信的无线通信系统和方法。 关于无线网络设备和用户设备之间在低频率下的通信的诸如路径损耗，功率延迟分布和多路径方向信息的粗信道信息可以用于以高频率建立与用户设备的通信。

公开(公告)号：US20140348019A1

公开(公告)日：2014-11-27

申请号：US14456916

申请日：2014-08-11

Applicant: QUALCOMM Incorporated

Inventor： Alan Barbieri ,  Parag Arun Agashe ,  Aleksandar Damnjanovic ,  Tingfang Ji ,  Tao Luo ,  Madhavan Srinivasan Vajapeyam ,  Yongbin Wei ,  Hao Xu ,  Taesang Yoo

IPC: H04L5/00 ,  H04W24/08

CPC classification number: H04L5/0057 ,  H04L1/0026 ,  H04L1/0028 ,  H04W24/00 ,  H04W24/08 ,  H04W28/16 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/23

Abstract: Techniques for estimating and reporting channel quality indicator (CQI) are disclosed. Neighboring base stations may cause strong interference to one another and may be allocated different resources, e.g., different subframes. A UE may observe different levels of interference on different resources. In an aspect, the UE may determine a CQI for resources allocated to a base station and having reduced or no interference from at least one interfering base station. In another aspect, the UE may determine multiple CQI for resources of different types and associated with different interference levels. For example, the UE may determine a first CQI based on at least one first subframe allocated to the base station and having reduced or no interference from the interfering base station(s). The UE may determine a second CQI based on at least one second subframe allocated to the interfering base station(s).

Abstract translation: 公开了用于估计和报告信道质量指示符（CQI）的技术。 相邻的基站可能导致彼此的强干扰，并且可以分配不同的资源，例如不同的子帧。 UE可以在不同的资源上观察不同级别的干扰。 在一方面，UE可以为分配给基站并且具有来自至少一个干扰基站的减少或没有干扰的资源确定CQI。 在另一方面，UE可以为不同类型的资源确定多个CQI并且与不同的干扰电平相关联。 例如，UE可以基于分配给基站的至少一个第一子帧并且具有来自干扰基站的减少或没有干扰来确定第一CQI。 UE可以基于分配给干扰基站的至少一个第二子帧来确定第二CQI。

公开(公告)号：US20140211677A1

公开(公告)日：2014-07-31

申请号：US14165351

申请日：2014-01-27

Applicant: QUALCOMM Incorporated

Inventor： Alan Barbieri ,  Hao Xu ,  Vikas Jain ,  Durga Prasad Malladi ,  Awaiz Ahmad Khan ,  Samatha Kotla ,  Balwinderpal Sachdev

IPC: H04W74/08 ,  H04W52/28

CPC classification number: H04W74/0833 ,  G01S5/00 ,  G01S5/02 ,  H04L1/00 ,  H04W28/16 ,  H04W52/0206 ,  H04W52/0229 ,  H04W52/283 ,  H04W64/00 ,  Y02D70/122 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/20

Abstract: Improvements to signaling procedures for use in physical random access channel (PRACH)-based proximity detection are disclosed. Signaling and signaling processes from a serving base station may trigger a more efficient and reliable transmission of PRACH from related user equipment (UE). At the dynamic power nodes (DPNs) monitoring for such PRACH-based proximity, features are disclosed which establish neighbor lists for more efficient management of detection and proximity activation.

Abstract translation: 公开了用于在基于物理随机接入信道（PRACH）的接近检测中的信令过程的改进。 来自服务基站的信令和信令过程可以触发来自相关用户设备（UE）的PRACH的更有效和可靠的传输。 在针对这种基于PRACH的接近度的动态功率节点（DPN）监测的特征被公开，其建立邻居列表以更有效地管理检测和接近激活。

公开(公告)号：US20140204889A1

公开(公告)日：2014-07-24

申请号：US14226334

申请日：2014-03-26

Applicant: QUALCOMM Incorporated

Inventor： Madhavan Srinivasan Vajapeyam ,  Hao Xu ,  Tingfang Ji ,  Osok Song ,  Aleksandar Damnjanovic

IPC: H04W28/18 ,  H04W72/12

CPC classification number: H04W72/04 ,  H04L5/0037 ,  H04L5/0092 ,  H04W16/10 ,  H04W28/18 ,  H04W72/042 ,  H04W72/0426 ,  H04W72/0453 ,  H04W72/082 ,  H04W72/12

Abstract: A method and apparatus are for communication in a wireless network in which a User Equipment (UE) associated with a first evolved Node B (eNB) experiences interference from a second eNB. The method includes negotiating by the first eNB of the wireless network with a second eNB of the wireless network for a partitioning of subband resources on an uplink. A first subset of subband resources is assigned to the first eNB, and a second subset of subband resources is assigned to the second eNB. A method and apparatus are for communication in a wireless network. The method includes decoding a downlink control channel received during a protected downlink subframe to determine an uplink subframe n containing a protected subband for uplink transmission. The method also includes transmitting data during the uplink subframe n on the protected subband.

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：US20140036802A1

公开(公告)日：2014-02-06

申请号：US13943756

申请日：2013-07-16

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Peter Gaal ,  Hao Xu ,  Tao Luo

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/0453

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. In one configuration, the apparatus may be a UE. The apparatus may receive a message (e.g., via an ePCFICH) from an eNB and may process an ePDCCH using the message. The apparatus may receive a message via an ePCFICH indicating resources for ePDCCH, the ePDCCH being a localized ePDCCH and/or a distributed ePDCCH and process the ePDCCH using the message. The apparatus may receive an ePCFICH from an eNB, where the ePCFICH is a function of at least a PCI or a virtual cell identifier. The apparatus may process an ePDCCH using a default set of resources when an ePCFICH is not detected. The apparatus may receive an ePCFICH value and may determine either a starting symbol index for an ePDCCH or one or more ePDCCH resource sets based at least on the ePCFICH value.

Abstract translation: 提供了一种用于无线通信的方法，装置和计算机程序产品。 在一种配置中，该设备可以是UE。 该装置可以从eNB接收消息（例如，经由ePCFICH），并且可以使用该消息来处理ePDCCH。 该装置可以经由指示用于ePDCCH的资源的ePCFICH，ePDCCH是本地化的ePDCCH和/或分布式ePDCCH来接收消息，并使用该消息处理ePDCCH。 该装置可以从eNB接收ePCFICH，其中ePCFICH是至少PCI或虚拟小区标识符的函数。 当未检测到ePCFICH时，该装置可以使用默认的资源集合处理ePDCCH。 该装置可以接收ePCFICH值，并且可以至少基于ePCFICH值来确定ePDCCH的起始符号索引或一个或多个ePDCCH资源集合。

公开(公告)号：US20130343355A1

公开(公告)日：2013-12-26

申请号：US13974954

申请日：2013-08-23

Applicant: QUALCOMM Incorporated

Inventor： Alan Barbieri ,  Hao Xu ,  Madhavan Srinivasan Vajapeyam ,  Aleksandar Damnjanovic

IPC: H04J3/16

CPC classification number: H04J3/1694 ,  H04L1/0025 ,  H04W16/14 ,  H04W72/042 ,  H04W84/045

Abstract: Time division multiplexing (TDM) partitioning is one of the inter-cell interference coordination (ICIC) mechanisms considered for a heterogeneous network (HetNet) ICIC in a co-channel deployment. For example, in subframes that are pre-allocated to an evolved Node B (eNB), neighbor eNBs may not transmit, hence interference experienced by served user equipments (UEs) may be reduced. Semi-persistent scheduling (SPS) grants may have various available periodicities, which may not be compatible with TDM partitioning. Therefore, a UE may miss an SPS opportunity that was scheduled for a subframe that was not usable by the UE. Hence, using SPS grants with small periodicities in a heterogeneous network with TDM partitioning may require changes which may include adjusting the periodicities of the SPS grants, rescheduling of uplink SPS messages based on resource partitioning information (RPI), and/or determining RPI based on current SPS grants.

Abstract translation: 时分复用（TDM）分区是在同频道部署中为异构网络（HetNet）ICIC考虑的小区间干扰协调（ICIC）机制之一。 例如，在预分配给演进节点B（eNB）的子帧中，相邻eNB可能不发送，因此可能减少被服务用户设备（UE）经历的干扰。 半静态调度（SPS）授权可能具有各种可用的周期性，这可能与TDM分区不兼容。 因此，UE可能错过针对UE不可用的子帧调度的SPS机会。 因此，在具有TDM分割的异构网络中使用具有小周期的SPS许可可能需要改变，其可以包括调整SPS授权的周期性，基于资源划分信息（RPI）重新安排上行SPS消息，和/或基于 当前SPS赠款。

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。