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11. 发明授权

US08644264B2 Method and apparatus for canceling pilot interference in a wireless communication system 有权
标题翻译：用于消除无线通信系统中的导频干扰的方法和装置
公开(公告)号：US08644264B2
公开(公告)日：2014-02-04
申请号：US12900394
申请日：2010-10-07
申请人： Alessandro Vanelli Coralli , Henry David Pfister , Jilei Hou , John Edward Smee , Roberto Padovani , Brian K. Butler , Jeffrey A. Levin , Thomas B. Wilborn , Paul E. Bender
发明人： Alessandro Vanelli Coralli , Henry David Pfister , Jilei Hou , John Edward Smee , Roberto Padovani , Brian K. Butler , Jeffrey A. Levin , Thomas B. Wilborn , Paul E. Bender
IPC分类号： H03D1/04
CPC分类号： H04B1/7107 , H04B2201/70701
摘要： Methods and systems for estimating and canceling pilot interference in a wireless (e.g., CDMA) communication system. In one method, a received signal comprised of a number of signal instances, each including a pilot, is initially processed to provide data samples. Each signal instance's pilot interference may be estimated by despreading the data samples with a spreading sequence for the signal instance, channelizing the despread data to provide pilot symbols, filtering the pilot symbols to estimate the channel response of the signal instance, and multiplying the estimated channel response with the spreading sequence. The pilot interference estimates due to a plurality of interfering multipaths are accumulated to derive the total pilot interference, which is subtracted from the data samples to provide pilot-canceled data samples. These samples are then processed to derive demodulated data for each of at least one (desired) signal instance in the received signal.
摘要翻译：用于估计和消除无线（例如，CDMA）通信系统中的导频干扰的方法和系统。在一种方法中，最初处理包括多个信号实例（每个包括导频）的接收信号以提供数据样本。每个信号实例的导频干扰可以通过用信号实例的扩展序列解扩数据样本来估计，对解扩数据进行信道化以提供导频符号，对导频符号进行滤波以估计信号实例的信道响应，并将估计信道响应与扩展序列。由多个干扰多径导致的导频干扰估计被累加以导出总导频干扰，其从数据样本中减去以提供导频取消的数据采样。然后处理这些样本以便为接收信号中的至少一个（期望的）信号实例中的每一个导出解调数据。

12. 发明授权

US08537875B2 Methods and apparatus for adjusting forward link signal to interference and noise ratio estimates 失效
标题翻译：用于调整前向链路信号与干扰和噪声比估计的方法和装置
公开(公告)号：US08537875B2
公开(公告)日：2013-09-17
申请号：US13086564
申请日：2011-04-14
申请人： Joseph B. Soriaga , Mingxi Fan , John Edward Smee , Jinghu Chen , Jilei Hou
发明人： Joseph B. Soriaga , Mingxi Fan , John Edward Smee , Jinghu Chen , Jilei Hou
IPC分类号： H04B1/00
CPC分类号： H04W52/325 , H04B17/336 , H04L1/0025 , H04L1/0034 , H04W52/241 , H04W52/267
摘要： Methods and systems for adjusting a forward link (FL) signal to interference and noise ratio (SINR) are provided. In an example, a FL SINR is estimated for each user in a plurality of users, on at least one of each user's respective data rate control (DRC) message or each user's respective prior FL SINR value. The respective estimated FL SINR for a user in the plurality of users is increased, if, based on a reverse link acknowledge message, the user has decoded a packet before all symbols in the packet have been transmitted. Remaining control channel power is determined. The estimated FL SINR for all users in the plurality of users is increased if remaining control channel power is less than a low threshold. The estimated FL SINR for all users in the plurality of users is increased if the remaining control channel power is greater than a high threshold.
摘要翻译：提供了用于调整前向链路（FL）信号与干扰和噪声比（SINR）的方法和系统。在一个示例中，在每个用户的相应数据速率控制（DRC）消息或每个用户相应的先前FL SINR值中的至少一个上，针对多个用户中的每个用户估计FL SINR。如果基于反向链路确认消息，则用户已经在分组中的所有符号已经被发送之前解码了分组，则增加了用于多个用户中的用户的相应估计的FL SINR。确定剩余控制通道功率。如果剩余控制信道功率小于低阈值，则在多个用户中的所有用户的估计的FL SINR增加。如果剩余的控制信道功率大于高阈值，则对于多个用户中的所有用户的估计的FL SINR增加。

13. 发明授权

US08514794B2 Loop power controls for multi-carrier high-speed uplink packet access 有权
标题翻译：用于多载波高速上行链路分组接入的环路功率控制
公开(公告)号：US08514794B2
公开(公告)日：2013-08-20
申请号：US12724963
申请日：2010-03-16
申请人： Danlu Zhang , Pavan Kumar Vitthaladevuni , Ravi Agarwal , Jilei Hou , Ozcan Ozturk , Arjun Bharadwaj , Sharad Deepak Sambhwani
发明人： Danlu Zhang , Pavan Kumar Vitthaladevuni , Ravi Agarwal , Jilei Hou , Ozcan Ozturk , Arjun Bharadwaj , Sharad Deepak Sambhwani
IPC分类号： H04W4/00
CPC分类号： H04W52/286 , H04W52/06 , H04W52/12 , H04W52/346 , H04W52/42
摘要： A method for wireless communications is provided. The method includes applying independent power controls to two or more carriers from a set of high speed packet access signals. The method includes monitoring power across the two or more carriers to determine power levels for the set of high speed packet access signals. The method also includes adjusting at least one of an open loop control, an inner loop control, or an outer loop control in view of the power levels for the set of packet access signals.
摘要翻译：提供了一种用于无线通信的方法。该方法包括从一组高速分组接入信号向两个或多个载波应用独立的功率控制。该方法包括监视两个或多个载波上的功率，以确定该组高速分组接入信号的功率电平。鉴于该组分组接入信号的功率电平，该方法还包括调整开环控制，内环控制或外环控制中的至少一个。

14. 发明授权

US08503360B2 Method and apparatus for facilitating multi-user joint transmit-receive beamforming 有权
标题翻译：用于促进多用户联合发射 - 接收波束形成的方法和装置
公开(公告)号：US08503360B2
公开(公告)日：2013-08-06
申请号：US12492657
申请日：2009-06-26
申请人： Jilei Hou , Jinghu Chen , John E. Smee , Joseph B. Soriaga , Navid Hassanpour Ghady
发明人： Jilei Hou , Jinghu Chen , John E. Smee , Joseph B. Soriaga , Navid Hassanpour Ghady
IPC分类号： H04K1/10 , H04B1/72 , H04M1/00
CPC分类号： H04B7/0452 , H04B7/0617 , H04B7/0626
摘要： A method of wireless communication is disclosed that includes receiving detected channel information from a plurality of access terminals; selecting a set of access terminals from the plurality of access terminals based on the received channel information; creating a beamforming vector for each access terminal in the set of selected access terminals; and transmitting a signal using at least one of the created beamforming vectors. An apparatus for performing the method is also disclosed herein.
摘要翻译：公开了一种无线通信方法，包括从多个接入终端接收检测到的信道信息; 基于所接收的信道信息从所述多个接入终端中选择一组接入终端; 为所选择的接入终端的集合中的每个接入终端创建波束成形向量; 以及使用所创建的波束形成向量中的至少一个来发送信号。本文还公开了一种用于执行该方法的装置。

15. 发明授权

US08472877B2 Iterative interference cancellation system and method 有权
标题翻译：迭代干扰消除系统及方法
公开(公告)号：US08472877B2
公开(公告)日：2013-06-25
申请号：US11407570
申请日：2006-04-19
申请人： Jilei Hou , Joseph B. Soriaga , John Edward Smee , Jinghu Chen
发明人： Jilei Hou , Joseph B. Soriaga , John Edward Smee , Jinghu Chen
IPC分类号： H04B1/00 , H04B15/00
CPC分类号： H04B1/7085 , H04B1/71072 , H04B1/7117
摘要： A system and method for Interference Cancellation (IC). One aspect relates to iterative interference cancellation with iterative finger delay adaptation. The interference cancellation method comprises receiving multi-paths of a signal; and performing iterative interference cancellation to remove multi-path interference, wherein the performing iterative IC comprises estimating a Signal-to-Interference-plus-Noise Ratio (SINR) at each of a plurality of pre-determined rake receiver finger delays, and performing successive Channel Estimation (CE) and IC on rake receiver fingers according to their estimated SINRs, and wherein the CE of a next finger does not start until interference of a previous finger is removed from a sample buffer. The method may further comprise improving estimated rake receiver finger delay, and each iteration decreases the amount of interference observed by each finger.
摘要翻译：一种用于干扰消除（IC）的系统和方法。一个方面涉及具有迭代手指延迟适应的迭代干扰消除。干扰消除方法包括：接收信号的多路径; 以及执行迭代干扰消除以去除多路径干扰，其中所述执行迭代IC包括在多个预定的耙机接收机手指延迟中的每一个处估计信号与干扰加噪声比（SINR），并且执行连续根据其估计的SINR，在瑞克接收机手指上的信道估计（CE）和IC，并且其中下一个手指的CE不开始，直到先前手指的干扰从样本缓冲器中移除。该方法还可以包括改进估计的瑞克接收机手指延迟，并且每次迭代减少每个手指观察到的干扰量。

16. 发明授权

US08345617B2 Sending an uplink order to active set base stations 有权
标题翻译：向有源设置的基站发送上行链路命令
公开(公告)号：US08345617B2
公开(公告)日：2013-01-01
申请号：US12861745
申请日：2010-08-23
申请人： Arjun Bharadwaj , Sharad Deepak Sambhwani , Rohit Kapoor , Aziz Gholmieh , Jilei Hou , Danlu Zhang , Ozcan Ozturk
发明人： Arjun Bharadwaj , Sharad Deepak Sambhwani , Rohit Kapoor , Aziz Gholmieh , Jilei Hou , Danlu Zhang , Ozcan Ozturk
IPC分类号： H04W72/04
CPC分类号： H04L1/0025 , H04L1/0039 , H04L1/1822 , H04L1/1825
摘要： A method for sending an uplink order to active set base stations is disclosed. A new mode of operation for a wireless communication device is determined. A transmission is sent on an uplink control channel to active set base stations that indicates the new mode. The transmission from the wireless communication device is received on the E-DPCCH. It is determined if the transmission is an uplink order. The new mode of operation is transitioned to. Subsequent transmissions from the wireless communication device are interpreted using the new mode of operation if the transmission is an uplink order.
摘要翻译：公开了一种向主动集群基站发送上行链路顺序的方法。确定无线通信设备的新的操作模式。在上行链路控制信道上发送指示新模式的主动集合基站。在E-DPCCH上接收到来自无线通信设备的传输。确定传输是否是上行链路顺序。新的运作模式转为。如果传输是上行链路顺序，则使用新的操作模式来解释来自无线通信设备的后续传输。

17. 发明申请

US20120281564A1 SYSTEM AND METHOD FOR MULTI-POINT HSDPA COMMUNICATION UTILIZING A MULTI-LINK PDCP SUBLAYER 有权
标题翻译：使用多链路PDCP子层的多点HSDPA通信的系统和方法
公开(公告)号：US20120281564A1
公开(公告)日：2012-11-08
申请号：US13291037
申请日：2011-11-07
申请人： Danlu Zhang , Rohit Kapoor , Bibhu Prasad Mohanty , Weiyan Ge , Jilei Hou
发明人： Danlu Zhang , Rohit Kapoor , Bibhu Prasad Mohanty , Weiyan Ge , Jilei Hou
IPC分类号： H04W4/00 , H04W24/00
CPC分类号： H04W28/10 , H04L1/08 , H04L1/1867 , H04L1/20 , H04L2001/0092 , H04W24/10 , H04W88/06
摘要： A method and apparatus for wireless communication may provide a multi-link PDCP sublayer in a radio network controller capable of allocating PDCP PDUs among a plurality of RLC entities for use in a multi-point HSDPA network. Some aspects of the disclosure address issues relating to out-of-order delivery of the PDCP PDUs to a UE, such as unnecessary retransmissions. That is, the disclosed multi-link PDCP may be capable of distinguishing between sequence number gaps that are caused by physical layer transmission failures and those caused merely by skew.
摘要翻译：一种用于无线通信的方法和装置可以在能够在多个RLC实体中分配PDCP PDU以在多点HSDPA网络中使用的无线电网络控制器中提供多链路PDCP子层。本公开的一些方面涉及与PDCP PDU到无用的传送有关的问题，例如不必要的重传。也就是说，所公开的多链路PDCP可能能够区分由物理层传输故障引起的序列号间隙和仅由偏斜引起的序列间隙。

18. 发明申请

US20120178501A1 MASTER-SLAVE ARCHITECTURE IN A CLOSED LOOP TRANSMIT DIVERSITY SCHEME 有权
标题翻译：封闭环路发射多样性方案中的主从建筑
公开(公告)号：US20120178501A1
公开(公告)日：2012-07-12
申请号：US13346610
申请日：2012-01-09
申请人： Yibo Jiang , Sharad Deepak Sambhwani , Jilei Hou
发明人： Yibo Jiang , Sharad Deepak Sambhwani , Jilei Hou
IPC分类号： H04W88/08
CPC分类号： H04B7/0404 , H04B1/7085 , H04B7/0617 , H04B7/0634 , H04B7/0871 , H04B2001/70724
摘要： A base station receiver, a computer program product operable at a base station, and a method operable at a base station receiver, for receiving uplink transmit diversity transmissions utilizing a master/slave scheme at the receiver. One or more tracking loops, such as a searcher task, a time tracking loop, or a frequency tracking loop may be implemented at the base station receiver to determine compensation values, such as finger timings for a rake receiver or frequency compensation values, in accordance with characteristics of a first received pilot channel transmitted utilizing a first precoding weight vector. Here, corresponding compensation values may be derived for the reception of a secondary pilot channel transmitted utilizing an precoding weight vector orthogonal to the first precoding weight vector, simply based on those determined for the first pilot channel.
摘要翻译：基站接收机，在基站可操作的计算机程序产品以及可在基站接收机操作的方法，用于在接收机处利用主/从方案接收上行链路发射分集传输。可以在基站接收机处实现一个或多个跟踪环路，例如搜索器任务，时间跟踪环路或频率跟踪环路，以确定补偿值，例如用于耙式接收机的手指定时或频率补偿值具有利用第一预编码权重向量发送的第一接收导频信道的特性。这里，可以简单地基于对于第一导频信道确定的那些，来导出利用与第一预编码权重向量正交的预编码权重向量发送的次级导频信道的相应的补偿值。

19. 发明申请

US20120178381A1 APPARATUS AND METHOD FOR UPLINK CLOSED LOOP TRANSMIT DIVERSITY 有权
标题翻译：上链封闭环路传输多样性的装置和方法
公开(公告)号：US20120178381A1
公开(公告)日：2012-07-12
申请号：US13346590
申请日：2012-01-09
申请人： Yibo Jiang , Sharad Deepak Sambhwani , Jilei Hou
发明人： Yibo Jiang , Sharad Deepak Sambhwani , Jilei Hou
IPC分类号： H04B7/06
CPC分类号： H04B7/0617 , H04B7/0404 , H04B7/0634 , H04B7/0652
摘要： An apparatus, method, and computer program product operable to determine a phase of a beamforming weight vector utilizing a memory of a previously used phase for the beamforming weight vector, capable of improving a channel estimate. A base station transmits a beamforming weight vector to a user equipment based on a determined channel estimate. The user equipment selects between the received beamforming weight vector, or a modified beamforming weight vector having its phase shifted by −360°, in accordance with a suitable selection criteria. That is, the selection is made such that a difference between the phase of the selected beamforming vector and a phase of a prior beamforming vector is within a predetermined range.
摘要翻译：一种装置，方法和计算机程序产品，其可操作以使用能够改善信道估计的波束成形权重向量的先前使用的相位的存储器来确定波束成形权重向量的相位。基站基于确定的信道估计向用户设备发送波束成形权重向量。用户设备根据合适的选择标准在所接收的波束形成权重向量或其相位偏移-360°的经修改的波束成形权重向量之间进行选择。也就是说，进行选择使得所选择的波束形成向量的相位与先前的波束形成向量的相位之间的差在预定范围内。

20. 发明申请

US20120163185A1 COMMUNICATING BETWEEN USER EQUIPMENT (UE) AND INDEPENDENT SERVING SECTORS IN A WIRELESS COMMUNICATIONS SYSTEM 有权
标题翻译：在无线通信系统中的用户设备（UE）和独立服务器之间的通信
公开(公告)号：US20120163185A1
公开(公告)日：2012-06-28
申请号：US13269721
申请日：2011-10-10
申请人： Danlu Zhang , Sharad Deepak Sambhwani , Jilei Hou , Pavan Kumar Vitthaladevuni
发明人： Danlu Zhang , Sharad Deepak Sambhwani , Jilei Hou , Pavan Kumar Vitthaladevuni
IPC分类号： H04W72/04 , H04W24/00 , H04W4/00
CPC分类号： H04W72/085 , H04W36/30 , H04W72/0413
摘要： A wireless communication system transmits in a High Speed Downlink Packet Access (HSDPA) by having a Radio Network Controller (RNC) assign portions of data to a first serving cell and a second serving cell for transmitting to a user equipment. The first serving cell transmits data on a first downlink carrier to the user equipment. The second serving cell, which is independent from the first serving cell, transmits data on a second downlink carrier to the user equipment. In an optional aspect, the RNC receives a measurement report from the user equipment on a first uplink carrier via at least one of the first serving cell and the second serving cell.
摘要翻译：无线通信系统通过使无线网络控制器（RNC）将数据的部分分配给第一服务小区和第二服务小区来发送到高速下行链路分组接入（HSDPA），以发送给用户设备。第一服务小区在第一下行链路载波上向用户设备发送数据。独立于第一服务小区的第二服务小区在第二下行链路载波上向用户设备发送数据。在可选方面，RNC经由第一服务小区和第二服务小区中的至少一个从第一上行链路载波上的用户设备接收测量报告。

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