公开(公告)号：US10439786B2

公开(公告)日：2019-10-08

申请号：US13023311

申请日：2011-02-08

申请人： Tao Luo ,  Wanshi Chen ,  Juan Montojo

发明人： Tao Luo ,  Wanshi Chen ,  Juan Montojo

IPC分类号： H04W72/14 ,  H04L29/08 ,  H04L27/00 ,  H04W72/04 ,  H04L5/00 ,  H04L1/00

摘要： In a method of wireless communication, a UE receives a configuration to receive a CIF for a serving cell of a plurality of serving cells. In addition, the UE monitors a PDCCH on a primary cell of the plurality of serving cells. Said primary cell is different than said serving cell. Furthermore, the UE assumes information received in the PDCCH is for said primary cell when the received information has a common payload size and is in a common search space with a first CCE index in the common search space being equal to a first CCE index in a UE specific search space.

公开(公告)号：US10135598B2

公开(公告)日：2018-11-20

申请号：US12797542

申请日：2010-06-09

申请人： Wanshi Chen ,  Jelena M. Damnjanovic ,  Peter Gaal ,  Juan Montojo

发明人： Wanshi Chen ,  Jelena M. Damnjanovic ,  Peter Gaal ,  Juan Montojo

IPC分类号： H04W4/00 ,  H04L5/00 ,  H04L1/00 ,  H04W24/10

摘要： Certain aspects of the present disclosure relate to a method for determining and reporting channel information feedback for multi-carrier operation. In one aspect, channel information feedback parameters may be determined jointly across component carriers, and channel information feedback reports may be generated and reported individually per component carrier.

公开(公告)号：US09955438B2

公开(公告)日：2018-04-24

申请号：US11528192

申请日：2006-09-26

申请人： Donna Ghosh ,  Rashid Ahmed Akbar Attar ,  Christopher Gerard Lott ,  Ramin Rezaiifar ,  Juan Montojo

发明人： Donna Ghosh ,  Rashid Ahmed Akbar Attar ,  Christopher Gerard Lott ,  Ramin Rezaiifar ,  Juan Montojo

IPC分类号： G06F15/173 ,  H04W52/34 ,  H04W28/18 ,  H04L5/00

CPC分类号： H04W52/34 ,  H04L5/0005 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/006 ,  H04L5/0094 ,  H04W28/18

摘要： Embodiments disclosed herein relate to carrier allocation and management in multi-carrier communication systems. In some embodiments, the number of carriers assigned to an access terminal on a forward link may be determined by an access network, and the number of carriers assigned to the access terminal on a reverse link may be based on a cooperative process between the access terminal and the access network. In other embodiments, the number of carriers assigned to the access terminal on the reverse link may also be determined by the access network, e.g., in relation to the scheduling information received from the access terminal.

公开(公告)号：US09673952B2

公开(公告)日：2017-06-06

申请号：US12756847

申请日：2010-04-08

申请人： Wanshi Chen ,  Peter Gaal ,  Juan Montojo ,  Ravi Palanki

发明人： Wanshi Chen ,  Peter Gaal ,  Juan Montojo ,  Ravi Palanki

IPC分类号： H04L5/00 ,  H04L1/18 ,  H04L1/00 ,  H04W72/04

CPC分类号： H04L5/0053 ,  H04L1/0026 ,  H04L1/1812 ,  H04L1/1854 ,  H04L5/0007 ,  H04L2001/0093 ,  H04W72/04 ,  H04W72/0453

摘要： Techniques for supporting communication for different user equipments (UEs) on different system bandwidths are described. In one design, a base station transmits first control information to support communication for at least one first UE on a first system bandwidth and transmits second control information to support communication for at least one second UE on a second system bandwidth, which overlaps the first system bandwidth. The base station transmits data to the first and second UEs on the first and second system bandwidths, respectively. In one design, the base station receives third control information from the first UE(s) and fourth control information from the second UE(s) on a third system bandwidth. The base station receives data from the first UE(s) on the third system bandwidth and receives data from the second UE(s) on a fourth system bandwidth, which overlaps the third system bandwidth.

公开(公告)号：US09585108B2

公开(公告)日：2017-02-28

申请号：US12772902

申请日：2010-05-03

申请人： Jelena M. Damnjanovic ,  Juan Montojo ,  Naga Bhushan

发明人： Jelena M. Damnjanovic ,  Juan Montojo ,  Naga Bhushan

IPC分类号： H04B1/00 ,  H04W52/42 ,  H04W52/14 ,  H04W52/28 ,  H04W52/34

CPC分类号： H04W52/146 ,  H04W52/242 ,  H04W52/265 ,  H04W52/281 ,  H04W52/325 ,  H04W52/343 ,  H04W52/346 ,  H04W52/42 ,  H04W84/042

摘要： The described apparatus and methods may include a controller configured to determine power required for at least one of a plurality of carriers, and generate at least one of a plurality of power control commands for at least one of the plurality of carriers based on the determination.

摘要翻译： 所描述的装置和方法可以包括控制器，其被配置为基于该确定来确定多个载波中的至少一个载波所需的功率，并且生成用于多个载波中的至少一个的多个功率控制命令中的至少一个。

公开(公告)号：US09571173B2

公开(公告)日：2017-02-14

申请号：US13210052

申请日：2011-08-15

申请人： Stefan Geirhofer ,  Peter Gaal ,  Juan Montojo

发明人： Stefan Geirhofer ,  Peter Gaal ,  Juan Montojo

IPC分类号： H04B7/02 ,  H04B7/04 ,  H04B7/06

CPC分类号： H04B7/0417 ,  H04B7/0465 ,  H04B7/0478 ,  H04B7/0634 ,  H04B7/065

摘要： Methods and apparatus for enforcing codebook properties (e.g., constant modulus and/or finite alphabet) in adaptive and dual-stage codebooks are described. One example method generally includes receiving multiple feedback aspects of a channel for wireless communications determining multiple codewords based on the multiple feedback aspects, determining a final precoding matrix based on the multiple codewords, enforcing at least one codebook property in at least one of the multiple codewords or the final precoding matrix, applying the final precoding matrix to a plurality of spatial streams to form precoded spatial streams, and transmitting the precoded spatial streams. For certain aspects, enforcing the at least one codebook property includes quantizing elements in each of the multiple codewords and/or the final precoding matrix to the nearest value in a finite alphabet or to increase a performance metric.

摘要翻译： 描述了在自适应和双级码本中强制码本属性（例如恒定模数和/或有限字母表）的方法和装置。 一个示例性方法通常包括接收用于基于多个反馈方面确定多个码字的无线通信的信道的多个反馈方面，基于多个码字确定最终预编码矩阵，在多个码字中的至少一个中实施至少一个码本属性 或最终预编码矩阵，将最终预编码矩阵应用于多个空间流以形成预编码的空间流，以及发送预编码的空间流。 对于某些方面，强制执行至少一个码本属性包括在多个码字和/或最终预编码矩阵中的每个中将元素量化到有限字母表中的最接近的值，或者增加性能度量。

公开(公告)号：US09544776B2

公开(公告)日：2017-01-10

申请号：US12409963

申请日：2009-03-24

申请人： Tao Luo ,  Juan Montojo ,  Peter Gaal ,  Sandip Sarkar

发明人： Tao Luo ,  Juan Montojo ,  Peter Gaal ,  Sandip Sarkar

IPC分类号： H04W16/02 ,  H04J11/00 ,  H04L5/00 ,  H04W48/12

CPC分类号： H04W16/02 ,  H04J11/0069 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0058 ,  H04W48/12

摘要： Providing a coding scheme for wireless communication downlink reference signals is described herein. By way of example, a dedicated reference signal is mapped to resources of a wireless channel as a function of an identifier (ID) of a cell in which the reference signal is transmitted. The function can be similar to mapping functions employed for common reference signals, or can be distinct from such functions. As one example of the latter, a dedicated reference signal mapping function can be shifted in time or frequency with respect to the common reference signal mapping function. By employing a mapping function based on cell ID, noise caused by concurrent transmission of reference signals can be mitigated in a manner readily determined by terminals in a wireless network.

摘要翻译： 本文描述了提供无线通信下行链路参考信号的编码方案。 作为示例，专用参考信号被映射到作为发送参考信号的小区的标识符（ID）的函数的无线信道的资源。 该功能可以类似于用于公共参考信号的映射函数，或者可以与这些功能不同。 作为后者的一个例子，相对于公共参考信号映射函数，专用参考信号映射函数可以在时间或频率上移位。 通过采用基于小区ID的映射功能，可以以无线网络中的终端容易确定的方式来减轻由参考信号的并发传输引起的噪声。

公开(公告)号：US09363769B2

公开(公告)日：2016-06-07

申请号：US13100252

申请日：2011-05-03

申请人： Tao Luo ,  Wanshi Chen ,  Juan Montojo

发明人： Tao Luo ,  Wanshi Chen ,  Juan Montojo

IPC分类号： H04W52/28 ,  H04W52/34 ,  H04W52/36 ,  H04W52/14 ,  H04W52/42

CPC分类号： H04W52/281 ,  H04W52/146 ,  H04W52/34 ,  H04W52/346 ,  H04W52/367 ,  H04W52/42

摘要： Certain aspects of the present disclosure relate to techniques for scaling transmission power. According to certain aspects, a technique for scaling transmission power may include scaling transmission power of one or more uplink channel symbols to be transmitted in a subframe, utilizing a first set of one or more scaling coefficients, scaling transmission power of one or more sounding reference signal (SRS) symbols to be transmitted in the same subframe, utilizing a second set of one or more scaling coefficients, wherein the first set of scaling coefficients is different from the second set of scaling coefficients, and transmitting the scaled one or more uplink channel symbols and the scaled one or more SRS symbols utilizing the scaled transmission power values.

摘要翻译： 本公开的某些方面涉及用于缩放传输功率的技术。 根据某些方面，用于缩放发送功率的技术可以包括：利用第一组一个或多个缩放系数来缩放在子帧中发送的一个或多个上行链路信道符号的发射功率，缩放一个或多个探测参考的发射功率 信号（SRS）符号，利用第二组一个或多个缩放系数在同一子帧中传输，其中第一组缩放系数不同于第二组缩放系数，并且传送缩放的一个或多个上行链路信道 符号和经缩放的发射功率值的经缩放的一个或多个SRS符号。

公开(公告)号：US09356725B2

公开(公告)日：2016-05-31

申请号：US13267355

申请日：2011-10-06

申请人： Madhavan Srinivasan Vajapeyam ,  Aleksandar Damnjanovic ,  Juan Montojo

发明人： Madhavan Srinivasan Vajapeyam ,  Aleksandar Damnjanovic ,  Juan Montojo

IPC分类号： H04J1/16 ,  H04J11/00 ,  H04W72/08 ,  H04W52/02 ,  H04W28/02 ,  H04W52/24 ,  H04W72/12 ,  H04W28/08

CPC分类号： H04J11/0056 ,  H04W28/0231 ,  H04W28/0236 ,  H04W28/0242 ,  H04W28/08 ,  H04W52/0235 ,  H04W52/0238 ,  H04W52/24 ,  H04W52/241 ,  H04W72/08 ,  H04W72/082 ,  H04W72/085 ,  H04W72/1231 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146

摘要： Aspects of the present disclosure relate generally to wireless communication systems, and more particularly, to systems and methods for managing inter-cell interference coordination (ICIC) actions for time-domain partitioned cells. In certain aspects, time-domain partitioning is accounted for by an ebb in determining whether to send frequency-based inter-cell interference information (e.g., uplink overload indicator) to neighboring ebb(s) and/or responsive actions to take in response to receiving frequency-based inter-cell interference information (e.g., uplink overload indicator, high interference indicator, and/or relative narrowband transmission power).

摘要翻译： 本公开的方面一般涉及无线通信系统，更具体地，涉及用于管理用于时域分割的小区的小区间干扰协调（ICIC）动作的系统和方法。 在某些方面，时域分割在确定是否将基于频率的小区间干扰信息（例如，上行链路过载指示符）发送到邻近衰落和/或响应动作以响应于 接收基于频率的小区间干扰信息（例如，上行链路过载指示符，高干扰指示符和/或相对窄带传输功率）。

公开(公告)号：US09294160B2

公开(公告)日：2016-03-22

申请号：US12535972

申请日：2009-08-05

申请人： Jilei Hou ,  Juan Montojo

发明人： Jilei Hou ,  Juan Montojo

IPC分类号： H04B1/00 ,  H04B15/00 ,  H04B7/02 ,  H04B7/04 ,  H04W72/00 ,  H04B7/06

CPC分类号： H04B7/024 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0632

摘要： Techniques for supporting distributed MIMO are described. For multi-user distributed MIMO, a cell directs its transmit power toward a UE while reducing interference to UE(s) in neighbor cell(s). For single-user distributed MIMO, multiple cells concurrently send transmissions to a UE. In an aspect, a UE sends channel estimates for serving and non-serving cells to support multi-user distributed MIMO. Each cell may use the channel estimates to select UEs for data transmission and determine precoding vectors to use for data transmission to the selected UEs. In another aspect, a UE sends CQI information for serving and non-serving cells to support single-user distributed MIMO. Each cell may use the CQI information to select UEs for data transmission and determine modulation and coding schemes to use for the selected UEs. In yet another aspect, a UE determines CQI information for a serving cell by taking into account interference nulling by non-serving cells.

摘要翻译： 描述了支持分布式MIMO的技术。 对于多用户分布式MIMO，小区将其发射功率定向到UE，同时减少对相邻小区中的UE的干扰。 对于单用户分布式MIMO，多个小区同时向UE发送传输。 在一方面，UE为服务小区和非服务小区发送信道估计以支持多用户分布式MIMO。 每个小区可以使用信道估计来选择用于数据传输的UE，并且确定用于向选择的UE进行数据传输的预编码向量。 另一方面，UE发送用于服务小区和非服务小区的CQI信息，以支持单用户分布式MIMO。 每个小区可以使用CQI信息来选择用于数据传输的UE，并确定用于所选择的UE的调制和编码方案。 在另一方面，UE通过考虑非服务小区的干扰归零来确定服务小区的CQI信息。