公开(公告)号：US20160302225A1

公开(公告)日：2016-10-13

申请号：US15072104

申请日：2016-03-16

Applicant: QUALCOMM Incorporated

Inventor： Aleksandar DAMNJANOVIC ,  Tao LUO ,  Srinivas YERRAMALLI ,  Peter GAAL ,  Hao XU ,  Wanshi CHEN

IPC: H04W72/12

CPC classification number: H04W72/1294 ,  H04W72/04 ,  H04W72/12 ,  H04W72/1284 ,  H04W74/006 ,  H04W74/08

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. An eNB transmits an indicator for a frame identifying a DL transmission period. The indicator may comprise a frame format indicator identifying only a plurality of downlink subframes scheduled for a contention-based carrier. The eNB may transmit a second indicator for an UL transmission period and may grant a UE at least one UL subframe for UL transmission. The UE monitors for an UL grant and for a D-CUBS at either the end of the DL subframes or after an UL assignment. The eNB may transmit a provisional grant UL assignment for UL transmission on an SCC and respond with a grant confirmation in response to an SR granting the UE resources for UL data transmission.

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。 eNB发送用于标识DL传输周期的帧的指示符。 指示符可以包括仅标识为基于竞争的载波调度的多个下行链路子帧的帧格式指示符。 eNB可以发送用于UL传输周期的第二指示符，并且可以向UE授予至少一个UL子帧用于UL传输。 UE在DL子帧的末端或在UL分配之后监视UL授权和对于D-CUBS。 eNB可以在SCC上发送用于UL传输的临时授权UL分配，并响应于授予用于UL数据传输的UE资源的SR响应于授权确认。

公开(公告)号：US20160227476A1

公开(公告)日：2016-08-04

申请号：US15009730

申请日：2016-01-28

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Tao LUO ,  Aleksandar DAMNJANOVIC ,  Peter GAAL

IPC: H04W48/16 ,  H04W24/08 ,  H04W56/00 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W48/16 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/0006 ,  H04W24/08 ,  H04W48/08 ,  H04W56/00 ,  H04W72/042 ,  H04W74/0808 ,  H04W84/045 ,  H04W88/02

Abstract: Apparatus and methods for transmitting and discovering timing information during wireless communications are described herein. In an aspect, the systems and methods include monitoring at a user equipment (UE) over an unlicensed radio frequency spectrum band for a discovery signal from a network entity; receiving the discovery signal during a subframe from the network entity; and determining a current subframe location of the network entity based on the discovery signal, wherein the discovery signal includes timing information corresponding to the current subframe location.

Abstract translation: 本文描述了用于在无线通信期间发送和发现定时信息的装置和方法。 在一个方面，所述系统和方法包括通过未经许可的射频频带在用户设备（UE）处监测来自网络实体的发现信号; 在来自网络实体的子帧期间接收发现信号; 以及基于所述发现信号确定所述网络实体的当前子帧位置，其中所述发现信号包括对应于当前子帧位置的定时信息。

公开(公告)号：US20160227417A1

公开(公告)日：2016-08-04

申请号：US15004628

申请日：2016-01-22

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Tao LUO ,  Peter GAAL ,  Wanshi CHEN ,  Xiaoxia ZHANG ,  Hao XU ,  Aleksandar DAMNJANOVIC

IPC: H04W16/14 ,  H04W72/14 ,  H04W72/04

CPC classification number: H04W16/14 ,  H04L5/001 ,  H04L5/0098 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/1289 ,  H04W72/14

Abstract: In the application of TDD and eIMTA to LTE in the unlicensed spectrum, various alterations may be needed to compensate for interference from and the behavior of RATs operating in this range of frequencies. Various UE and base station methods are presented, including modified TDD configurations and UE behaviors to advance operations on unlicensed spectrum. A method, an apparatus, and a computer-readable medium for wireless communication are provided whereby configuration information is conveyed to a UE for communicating on a carrier in the unlicensed spectrum. The configuration information indicates a subframe allocation for at least one frame on the unlicensed carrier. Other aspects are directed to the detection of the transmission, communication of new and modified eIMTA configuration transmissions, and mechanism and behaviors which address unreceived configuration information.

Abstract translation: 在TDD和eIMTA在未授权频谱中应用于LTE的情况下，可能需要进行各种改变以补偿在该频率范围内操作的RAT的干扰和行为。 提出了各种UE和基站方法，包括修改的TDD配置和UE行为，以推进对非授权频谱的操作。 提供了一种用于无线通信的方法，装置和计算机可读介质，其中配置信息被传送到UE以在非许可频谱中的载波上进行通信。 配置信息指示在未许可的载体上的至少一帧的子帧分配。 其他方面涉及传输的检测，新的和修改的eIMTA配置传输的通信，以及解决未被接收的配置信息的机制和行为。

公开(公告)号：US20160205631A1

公开(公告)日：2016-07-14

申请号：US14968692

申请日：2015-12-14

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Peter GAAL ,  Aleksandar DAMNJANOVIC ,  Hao XU ,  Madhavan Srinivasan VAJAPEYAM

IPC: H04W52/04

CPC classification number: H04W52/04 ,  H04W52/146 ,  H04W52/346 ,  H04W52/367

Abstract: Uplink power control techniques for ultra low latency in Long Term Evolution (LTE) devices are presented. For example, an example method for transmission power control is described that includes determining that a first uplink transmission and a second uplink transmission are scheduled for transmission during a symbol of a subframe. In an aspect, the first uplink transmission has a first transmission time interval (TTI) and a first transmission power and the second uplink transmission has a second TTI, the second TTI being different from the first TTI, and a second transmission power. Furthermore, the method may include determining that a power limitation condition is met for one or both of the first transmission power or the second transmission power and adjusting one or both of the first transmission power or the second transmission power based on a determination that the power limitation condition is met.

Abstract translation: 提出了在长期演进（LTE）设备中用于超低延迟的上行链路功率控制技术。 例如，描述了用于传输功率控制的示例性方法，其包括确定在子帧的符号期间调度用于传输的第一上行链路传输和第二上行链路传输。 一方面，第一上行链路传输具有第一传输时间间隔（TTI）和第一传输功率，并且第二上行链路传输具有第二TTI，第二TTI与第一TTI不同，以及第二传输功率。 此外，该方法可以包括确定对于第一发送功率或第二发送功率中的一个或两者满足功率限制条件，并且基于确定功率来确定第一发送功率或第二发送功率中的一个或两个 限制条件得到满足。

公开(公告)号：US20160150525A1

公开(公告)日：2016-05-26

申请号：US14951393

申请日：2015-11-24

Applicant: QUALCOMM Incorporated

Inventor： Hao XU ,  Aleksandar DAMNJANOVIC ,  Onkar Jayant DABEER ,  Peter GAAL ,  Wanshi CHEN ,  Shimman Arvind PATEL ,  Yongbin WEI ,  Durga Prasad MALLADI

IPC: H04W72/04 ,  H04L1/18 ,  H04W72/14 ,  H04W74/08 ,  H04W76/04 ,  H04W28/02

CPC classification number: H04W72/0413 ,  H04J11/0023 ,  H04L1/1812 ,  H04L5/0037 ,  H04W28/0278 ,  H04W72/1294 ,  H04W72/14 ,  H04W74/006 ,  H04W74/008 ,  H04W74/02 ,  H04W74/08 ,  H04W74/0858 ,  H04W76/27

Abstract: Certain aspects relate to methods and apparatus for latency reduction for UEs in a RRC connected mode. During contention-based uplink access by groups of UEs within a subframe, an eNB may decode the received uplink transmission based, at least in part, on the assigned group of resources assigned to the UE and used for transmission. Additional orthogonalization techniques such as reduced TTI size can be used to reduce collisions among different users performing contention-based transmissions. Furthermore, when the eNB fails to successfully decode the uplink transmission, the eNB may identify the UE that sent the uplink transmission based on a detected reference signal and may transmit an uplink assignment to the identified UE.

Abstract translation: 某些方面涉及用于在RRC连接模式中的UE的等待时间减少的方法和装置。 在基于子帧内的UE组的基于竞争的上行链路接入期间，eNB至少部分地基于分配给UE并分配给用于传输的所分配的资源组来解码所接收的上行链路传输。 可以使用诸如减小的TTI大小的附加正交化技术来减少执行基于竞争的传输的不同用户之间的冲突。 此外，当eNB无法成功解码上行链路传输时，eNB可以基于检测到的参考信号来识别发送上行链路传输的UE，并且可以向所识别的UE发送上行链路分配。

公开(公告)号：US20160100433A1

公开(公告)日：2016-04-07

申请号：US14873079

申请日：2015-10-01

Applicant: QUALCOMM Incorporated

Inventor： Madhavan Srinivasan VAJAPEYAM ,  Aleksandar DAMNJANOVIC ,  Tao LUO ,  Yongbin WEI ,  Durga Prasad MALLADI

IPC: H04W74/08 ,  H04W56/00 ,  H04B17/336 ,  H04W16/14 ,  H04B17/318

CPC classification number: H04W74/0816 ,  H04B17/318 ,  H04B17/327 ,  H04B17/336 ,  H04L5/00 ,  H04W16/14 ,  H04W56/0095

Abstract: The disclosure provides for control plane measurements in a wireless device. The wireless device may perform, on signals received over an unlicensed spectrum across multiple sub-frames, radio resource management (RRM) measurements of a cell. The wireless device may identify one or both of a first subset of the RRM measurements associated with a first subset of the sub-frames including opportunistic transmissions and a second subset of the RRM measurements associated with a second subset of the sub-frames including guaranteed transmissions. The wireless device may determine one or more RRM measurement values based on one or both of the first subset of the RRM measurements and the second subset of the RRM measurements. The wireless device may similarly perform radio link management (RLM) measurements and determine RLM measurement values based on the first and second subsets. The wireless device may also use timers for uplink transmissions to detect radio link failures.

Abstract translation: 本公开提供了无线设备中的控制平面测量。 无线设备可以对通过多个子帧的非许可频谱接收的信号执行小区的无线电资源管理（RRM）测量。 无线设备可以识别与包括机会性传输的子帧的第一子集相关联的RRM测量的第一子集中的一个或两个，以及与包括保证传输的子帧的第二子集相关联的RRM测量的第二子集 。 无线设备可以基于RRM测量的第一子集和RRM测量的第二子集中的一个或两个来确定一个或多个RRM测量值。 无线设备可以类似地执行无线链路管理（RLM）测量并且基于第一和第二子集来确定RLM测量值。 无线设备还可以使用用于上行链路传输的定时器来检测无线电链路故障。

公开(公告)号：US20160043854A1

公开(公告)日：2016-02-11

申请号：US14819191

申请日：2015-08-05

Applicant: QUALCOMM Incorporated

Inventor： Aleksandar DAMNJANOVIC ,  Wanshi CHEN ,  Madhavan Srinivasan VAJAPEYAM ,  Durga Prasad MALLADI ,  Yongbin WEI ,  Tao LUO ,  Peter GAAL

IPC: H04L5/00 ,  H04L1/18

CPC classification number: H04L5/0055 ,  H04L1/1614 ,  H04L1/1685 ,  H04L1/1854 ,  H04L1/1867 ,  H04L1/1896 ,  H04L5/0048

Abstract: Aspects described herein relate to communicating feedback in a wireless network. An indication to communicate feedback for a plurality of subframes to an access network node can be received from the access network node. A plurality of process identifiers related to transport blocks received in the plurality of subframes can be determined. Feedback for the plurality of process identifiers received in the plurality of subframes can be grouped, and the grouped feedback and/or a feedback tag indicative of the plurality of subframes can be transmitted to the access network node.

Abstract translation: 本文描述的方面涉及在无线网络中传达反馈。 可以从接入网络节点接收向多个子帧传送反馈给接入网络节点的指示。 可以确定与在多个子帧中接收的传输块有关的多个进程标识符。 可以对在多个子帧中接收的多个进程标识符的反馈进行分组，并且可以将分组的反馈和/或指示多个子帧的反馈标签发送到接入网络节点。

公开(公告)号：US20150215874A1

公开(公告)日：2015-07-30

申请号：US14603839

申请日：2015-01-23

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Peter GAAL ,  Aleksandar DAMNJANOVIC ,  Shimman Arvind PATEL ,  Kiran Kumar SOMASUNDARAM ,  Tingfang JI ,  Hao XU ,  Tao LUO

IPC: H04W52/18

CPC classification number: H04W52/18 ,  H04W16/14 ,  H04W52/143 ,  H04W52/146 ,  H04W52/16 ,  H04W52/346 ,  H04W52/42 ,  H04W52/50

Abstract: Certain aspects of the present disclosure provide techniques for controlling transmission power in shared radio frequency spectrum (SRFS). According to techniques, devices (e.g., BSs, UEs, etc.) transmitting in SRFS band may win contention to the SRFS band for at least a portion of a radio frame period. For example, the radio frame period may include a plurality of subframe periods. The devices may also transmit a first signal at a first transmit power during a first subframe period of the radio frame period and transmit a second signal at a second transmit power during a second subframe period of the radio frame period. For example, the first transmit power and second transmit power may be controlled based, at least in part, on a power level determined for the radio frame period.

Abstract translation: 本公开的某些方面提供了用于控制共享射频（SRFS）中的发射功率的技术。 根据技术，在SRFS频带中发射的设备（例如，BS，UE等）可以在无线电帧周期的至少一部分中赢得对SRFS频带的争用。 例如，无线帧周期可以包括多个子帧周期。 在无线电帧周期的第一子帧周期期间，设备还可以以第一发射功率发送第一信号，并且在无线电帧周期的第二子帧周期期间以第二发射功率发送第二信号。 例如，可以至少部分地基于为无线电帧周期确定的功率电平来控制第一发射功率和第二发射功率。

公开(公告)号：US20140334399A1

公开(公告)日：2014-11-13

申请号：US14262547

申请日：2014-04-25

Applicant: QUALCOMM Incorporated

Inventor： Hao XU ,  Peter GAAL ,  Wanshi CHEN ,  Tao LUO ,  Tingfang JI ,  Aleksandar DAMNJANOVIC

IPC: H04W72/12 ,  H04W56/00

CPC classification number: H04W72/1273 ,  H04W56/0015 ,  H04W72/1268

Abstract: Certain aspects relate to techniques and apparatus for network synchronization by network listening. Aspects include transmitting a synchronization signal for a base station (BS) to use for acquiring synchronization with the network. Aspects include listening for a synchronization signal from a BS to use for acquiring network synchronization. In aspects, a method for wireless communications by a BS is provided. The method generally includes acquiring synchronization with a network based on a first synchronization signal transmitted from a primary BS or a secondary BS, determining a synchronization stratum for the BS based on whether the BS acquired synchronization with the network from the primary BS or from the secondary BS, and transmitting a second synchronization signal for one or more other BS s to use for acquiring synchronization with the network, wherein the transmitting is based, at least in part on the determined synchronization stratum.

Abstract translation: 某些方面涉及通过网络监听进行网络同步的技术和装置。 方面包括发送用于获取与网络同步的基站（BS）的同步信号。 方面包括监听来自BS的用于获取网络同步的同步信号。 在一方面，提供了一种由BS进行无线通信的方法。 该方法通常包括基于从主BS或辅助BS发送的第一同步信号来获取与网络的同步，基于BS是否从主BS获得与网络的同步或从次BS确定与BS的同步层 BS，并且为一个或多个其他BS发送用于获取与网络的同步的第二同步信号，其中所述发射至少部分地基于所确定的同步层。

公开(公告)号：US20140301272A1

公开(公告)日：2014-10-09

申请号：US14245949

申请日：2014-04-04

Applicant: QUALCOMM Incorporated

Inventor： Madhavan Srinivasan VAJAPEYAM ,  Tingfang JI ,  Taesang YOO ,  Tao LUO ,  Aleksandar DAMNJANOVIC ,  Yongbin WEI

IPC: H04B1/04 ,  H04W84/02

CPC classification number: H04B1/0475 ,  H04J11/005 ,  H04W84/02

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines whether one or more criteria for triggering interference cancellation in a homogeneous network are satisfied. The apparatus transmits a signal to a UE to control triggering the interference cancellation at the UE if the one or more criteria are satisfied.

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。 该装置确定是否满足在均匀网络中触发干扰消除的一个或多个准则。 如果满足一个或多个标准，则设备向UE发送信号以控制触发UE处的干扰消除。