公开(公告)号：US20110170589A1

公开(公告)日：2011-07-14

申请号：US13053856

申请日：2011-03-22

申请人： Philip J. Pietraski ,  Rui Yang ,  Mihaela C. Beluri ,  Alpaslan Demir

发明人： Philip J. Pietraski ,  Rui Yang ,  Mihaela C. Beluri ,  Alpaslan Demir

IPC分类号： H04L27/01

CPC分类号： H04B1/7097 ,  H04B1/712 ,  H04L25/03248

摘要： An apparatus for estimating and correcting baseband frequency error in a receiver is disclosed. An equalizer performs equalization on a sample data stream and generates filter tap values based on the equalization. An estimated frequency error signal is generated based on at least one of the filter tap values. A rotating phasor is generated based on the estimated frequency error signal. The rotating phasor signal is multiplied with the sample data stream to correct the frequency of the sample data stream. Alternatively, a channel estimator performs channel estimation and generates Rake receive finger weights based on at least one of the finger weights. An estimated frequency error signal is generated based on at least one of the finger weights.

摘要翻译： 公开了一种用于估计和校正接收机中基带频率误差的装置。 均衡器对样本数据流执行均衡，并基于均衡生成滤波器抽头值。 基于滤波器抽头值中的至少一个生成估计的频率误差信号。 基于估计的频率误差信号产生旋转相量。 将旋转相量信号与样本数据流相乘以校正样本数据流的频率。 或者，信道估计器执行信道估计，并且基于手指权重中的至少一个产生Rake接收手指权重。 基于手指权重中的至少一个生成估计的频率误差信号。

公开(公告)号：US20110103292A1

公开(公告)日：2011-05-05

申请号：US12855331

申请日：2010-08-12

申请人： Kalpendu R. Pasad ,  Sung-Hyuk H. Shin ,  Mihaela C. Beluri ,  Marian Rudolf ,  Pascal M. Adjakple ,  John W. Haim

发明人： Kalpendu R. Pasad ,  Sung-Hyuk H. Shin ,  Mihaela C. Beluri ,  Marian Rudolf ,  Pascal M. Adjakple ,  John W. Haim

IPC分类号： H04B7/14 ,  H04W72/04

CPC分类号： H04W40/22 ,  H04B7/155 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/04 ,  H04W72/0406 ,  H04W72/042 ,  H04W84/047 ,  H04W88/04

摘要： Methods and apparatus are described for providing compatible mapping for backhaul control channels, frequency first mapping of control channel elements (CCEs) to avoid relay-physical control format indicator channel (R-PCFICH) and a tree based relay resource allocation to minimize the resource allocation map bits. Methods and apparatus (e.g., relay node (RN)/evolved Node-B (eNB)) formapping of the Un downlink (DL) control signals, Un DL positive acknowledgement (ACK)/negative acknowledgement (NACK) and/or relay-physical downlink control channel (R-PDCCH) (or similar) in the eNB to RN (Un interface) DL direction are described. This includes time/frequency mapping of above-mentioned control signals into resource blocks (RBs) of multimedia broadcast multicast services (MBMS) single frequency network (MBSFN)-reserved sub-frames in the RN cell and encoding procedures for these. Also described are methods and apparatus for optimizing signaling overheads by avoiding R-PCFICH and minimizing bits needs for resource allocation.

摘要翻译： 描述了用于为回程控制信道提供兼容映射的方法和装置，控制信道单元（CCE）的频率首先映射以避免中继 - 物理控制格式指示符信道（R-PCFICH）和基于树的中继资源分配以最小化资源分配 映射位。 Un DL正向确认（ACK）/否定确认（NACK）和/或中继物理层的方法和装置（例如中继节点（RN）/演进节点B（eNB））形成Un（DL）控制信号 描述了eNB到RN（Un接口）DL方向中的下行链路控制信道（R-PDCCH）（或类似的）。 这包括上述控制信号到RN小区中的多媒体广播组播服务（MBMS）单频网（MBSFN）保留子帧的资源块（RB）的时间/频率映射以及这些子帧的编码过程。 还描述了通过避免R-PCFICH并最小化资源分配的位需求来优化信令开销的方法和装置。

公开(公告)号：US20110096815A1

公开(公告)日：2011-04-28

申请号：US12894819

申请日：2010-09-30

申请人： Sung-Hyuk Shin ,  Janet A. Stern-Berkowitz ,  Chang-Soo Koo ,  Mihaela C. Beluri

发明人： Sung-Hyuk Shin ,  Janet A. Stern-Berkowitz ,  Chang-Soo Koo ,  Mihaela C. Beluri

IPC分类号： H04B1/38

CPC分类号： H04W52/325 ,  H04B7/0413 ,  H04B7/0689 ,  H04B7/0871 ,  H04W52/146 ,  H04W52/42 ,  H04W72/0413

摘要： Power control for devices having multiple transmit antennas are disclosed, including power control methods for Physical Uplink Control Channel (PUCCH) and Sounding Reference Signal (SRS) transmissions for a wireless transmit/receive unit (WTRU). The PUCCH and SRS power control methods include selecting a multiple input multiple output (MIMO) mode and changing the power of the PUCCH or SRS transmission based on the selected MIMO mode. Another power control method estimates an antenna gain imbalance (AGI) for a WTRU having at least two transmit antennas. The AGI is based on measuring a Reference Signal Received Power (RSRP) on each transmit antenna. Each transmit antenna is then scaled by an AGI scaling factor based on the estimated AGI.

摘要翻译： 公开了具有多个发射天线的装置的功率控制，包括用于无线发射/接收单元（WTRU）的物理上行链路控制信道（PUCCH）和探测参考信号（SRS）传输的功率控制方法。 PUCCH和SRS功率控制方法包括：选择多输入多输出（MIMO）模式，并且基于所选择的MIMO模式改变PUCCH或SRS传输的功率。 另一种功率控制方法估计具有至少两个发射天线的WTRU的天线增益不平衡（AGI）。 AGI基于在每个发射天线上测量参考信号接收功率（RSRP）。 然后基于估计的AGI，通过AGI缩放因子来缩放每个发射天线。

公开(公告)号：US20100239040A1

公开(公告)日：2010-09-23

申请号：US12725215

申请日：2010-03-16

申请人： Mihaela C. Beluri ,  Guodong Zhang ,  Philip J. Pietraski ,  Sung-Hyuk Shin ,  Erdem Bala ,  Kyle Jung-Lin Pan ,  Chang-Soo Koo ,  Janet A. Stern-Berkowitz

发明人： Mihaela C. Beluri ,  Guodong Zhang ,  Philip J. Pietraski ,  Sung-Hyuk Shin ,  Erdem Bala ,  Kyle Jung-Lin Pan ,  Chang-Soo Koo ,  Janet A. Stern-Berkowitz

IPC分类号： H04L1/02

CPC分类号： H04W72/0413 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0697 ,  H04L1/0026 ,  H04L1/0036 ,  H04L1/0041 ,  H04L1/1671 ,  H04L1/1861 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/006 ,  H04L5/0064 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04L2025/03802 ,  H04W88/08

摘要： A method and apparatus for signal processing in a wireless transmit receive unit (WTRU), including generating a plurality of data bits and a plurality of control bits, mapping the data bits and control bits to one or more codewords, multiplexing the data bits and control bits, dividing the bits into layers, allocating control bits to each layer based on a channel quality of each codeword and a channel quality of each layer, and channel interleaving each layer for output to one or more antennas.

摘要翻译： 一种在无线发射接收单元（WTRU）中用于信号处理的方法和装置，包括生成多个数据位和多个控制位，将数据位和控制位映射到一个或多个码字，复用数据位和控制 比特，将比特分成多个层，基于每个码字的信道质量和每个层的信道质量将控制比特分配给每个层，以及信道交织每个层以输出到一个或多个天线。

公开(公告)号：US07724817B2

公开(公告)日：2010-05-25

申请号：US12360171

申请日：2009-01-27

申请人： Philip J. Pietraski ,  Mihaela C. Beluri ,  Alpaslan Demir

发明人： Philip J. Pietraski ,  Mihaela C. Beluri ,  Alpaslan Demir

IPC分类号： H03H7/30

CPC分类号： H04L25/03019 ,  H04B2201/70701 ,  H04L2025/03687

摘要： A step-size estimator for controlling the step-size of an adaptive equalizer incorporated in a transceiver (e.g., a wireless transmit/receive unit (WTRU)). The step-size estimator updates at least one adaptive equalizer tap used by the adaptive equalizer based on an apparent speed of a channel established between the transceiver and another transceiver. The step-size estimator includes a speed estimator, a signal-to-noise ratio (SNR) averager and a step-size mapping unit. The speed estimator is used to estimate the apparent speed of the channel (i.e., the observed and/or measured rate of change of the channel impulse response). The SNR averager generates a common pilot channel (CPICH) SNR estimate. The step-size mapping unit uses the speed estimate and the CPICH SNR estimate to generate a step-size parameter, μ, and a filter taps leakage factor parameter, α, used by the adaptive equalizer to update the filter tap coefficient.

摘要翻译： 用于控制并入收发器（例如，无线发射/接收单元（WTRU））中的自适应均衡器的步长的步长估计器。 步长估计器基于在收发器和另一收发器之间建立的信道的视在速度来更新由自适应均衡器使用的至少一个自适应均衡器抽头。 步长估计器包括速度估计器，信噪比（SNR）平均器和步长映射单元。 速度估计器用于估计信道的视在速度（即，观测和/或测量的信道脉冲响应的变化速率）。 SNR平均器生成公共导频信道（CPICH）SNR估计。 步长映射单元使用速度估计和CPICH SNR估计来生成步长参数μ，以及自适应均衡器使用的滤波器抽头泄漏因子参数α来更新滤波器抽头系数。

公开(公告)号：US06088407A

公开(公告)日：2000-07-11

申请号：US151854

申请日：1998-09-11

申请人： Barry D. Buternowsky ,  Edward J. Anthony ,  Mihaela C. Beluri ,  Xavier Carbo Figueras ,  Robert Addison Langridge, Jr. ,  Robert Richard Leyendecker ,  Glaudio Gustavo Rey ,  Desmond Wai Ming Yan

发明人： Barry D. Buternowsky ,  Edward J. Anthony ,  Mihaela C. Beluri ,  Xavier Carbo Figueras ,  Robert Addison Langridge, Jr. ,  Robert Richard Leyendecker ,  Glaudio Gustavo Rey ,  Desmond Wai Ming Yan

IPC分类号： H04B7/08 ,  H04W84/02 ,  H04B7/02

CPC分类号： H04W84/025 ,  H04B7/084 ,  H04B7/0865 ,  H04B7/0885

摘要： A two-way paging system includes one or more transmitters, a plurality of receivers, and at least one two-way personal paging unit or pager. The two-way pager receives pages from the transmitter, and sends response signals which are detected by the receivers. The response signals are in the form of digital packets, including forward error correction encoding and digital symbols that each consists of a predetermined number of bits. The receivers detecting the response signals decode the response packets to verify their accuracy and to identify the digital symbols. At the receivers, "accuracy indicators" can be associated with the detected symbols, providing an indication of the probability of accuracy. In one embodiment ("microdiversity receiver") two receiver components are provided at a single receiver site, with a separate antenna for each receiver component. Signals as received at the different components can be compared and have the accuracy indication information combined to increase the reliability of the system in detecting and decoding the pager response symbols. A central controller receives information from several receivers and similarly processes and analyzes it to determine the most likely response signal sent by a pager.

摘要翻译： 双向寻呼系统包括一个或多个发射机，多个接收机和至少一个双向个人寻呼单元或寻呼机。 双向寻呼机从发射机接收页面，并发送由接收机检测到的响应信号。 响应信号是数字分组的形式，包括前向纠错编码和每个由预定位数组成的数字符号。 检测响应信号的接收机对响应分组进行解码，以验证其准确性并识别数字符号。 在接收机处，“精度指示符”可以与检测到的符号相关联，提供精度概率的指示。 在一个实施例（“微分集接收机”）中，在单个接收机站点处提供两个接收机组件，其中每个接收机组件具有单独的天线。 可以比较在不同组件处接收到的信号，并组合精度指示信息，以增加系统在检测和解码寻呼机响应符号时的可靠性。 中央控制器从多个接收器接收信息，并且类似地对其进行处理和分析，以确定寻呼机发送的最可能的响应信号。