公开(公告)号：US09088351B2

公开(公告)日：2015-07-21

申请号：US14005730

申请日：2012-03-16

申请人： Weimin Liu ,  Rui Yang ,  Philip J. Pietraski

发明人： Weimin Liu ,  Rui Yang ,  Philip J. Pietraski

IPC分类号： H04B15/00 ,  H04B7/155 ,  H04L1/00 ,  H04B7/15

CPC分类号： H04B15/00 ,  H04B7/15 ,  H04B7/15521 ,  H04L1/0076

摘要： Two network nodes may exchange messages through a relay using physical-layer network coding combined with forward error correction coding (FEC). The relay determines a prime field order based on the channel condition and communicates the field order to the network nodes. Each network node encodes an outgoing message with linear codes over a field such as finite field of the field order, and transmits a signal carrying the encoded outgoing message. The relay receives a composite signal carrying the summation of the messages from the two network nodes. The relay decodes the composite signal and extracts a composite message with linear codes over finite field of field order, and broadcasts a signal carrying the composite message. Each network node receives the signal from the relay and extracts the message intended for it using linear subtraction over finite field of field order.

摘要翻译： 两个网络节点可以使用结合前向纠错编码（FEC）的物理层网络编码通过中继交换消息。 继电器基于信道条件确定主场顺序，并将该场顺序传送到网络节点。 每个网络节点通过诸如场顺序的有限域的字段编码具有线性码的输出消息，并且发送携带编码的输出消息的信号。 继电器接收携带来自两个网络节点的消息总和的复合信号。 中继解码复合信号，并通过有限场场顺序提取具有线性码的复合消息，并广播携带复合消息的信号。 每个网络节点接收来自中继器的信号，并通过有限场域顺序使用线性减法提取预期的消息。

公开(公告)号：US08908624B2

公开(公告)日：2014-12-09

申请号：US13503258

申请日：2010-10-22

申请人： Sana Sfar ,  Weimin Liu ,  Philip J. Pietraski ,  Rui Yang ,  Zhemin Xu

发明人： Sana Sfar ,  Weimin Liu ,  Philip J. Pietraski ,  Rui Yang ,  Zhemin Xu

IPC分类号： H04W4/00 ,  H04L27/34 ,  H04L1/16 ,  H04B7/155 ,  H04L1/00 ,  H04B7/26

CPC分类号： H04L27/34 ,  H04B7/15521 ,  H04B7/2606 ,  H04B7/2656 ,  H04L1/1607 ,  H04L2001/0097

摘要： A two-way relay wireless communication method and device may combine multiple bit steams, for one source node and two target nodes, and broadcasting a network coded combined bit sequence to reduce the number of time slots for transmission. A first device may receive a signal from the source node and a target node simultaneously in a time slot. The first device may receive subsequent signals from the source node and multiple target nodes simultaneously in successive time slots. Hierarchical modulation may be applied to the received signals. The first device may decode the received signals and generate a plurality of intermediate bit sequences (IBS)s for a broadcast transmission. The generated IBSs may be grouped according to a channel condition. A second device may be configured to receive the broadcast transmission and decode a portion of the broadcast transmission that is intended for the second device.

摘要翻译： 双向中继无线通信方法和装置可以对一个源节点和两个目标节点组合多个比特流，并且广播网络编码的组合比特序列以减少用于传输的时隙数量。 第一设备可以在时隙中同时从源节点和目标节点接收信号。 第一设备可以在连续的时隙中同时从源节点和多个目标节点接收后续信号。 可以对接收的信号应用分层调制。 第一设备可以对接收的信号进行解码，并生成用于广播传输的多个中间比特序列（IBS）。 所生成的IBS可以根据信道条件进行分组。 第二设备可以被配置为接收广播传输并解码旨在用于第二设备的广播传输的一部分。

公开(公告)号：US20140086283A1

公开(公告)日：2014-03-27

申请号：US14005730

申请日：2012-03-16

申请人： Weimin Liu ,  Rui Yang ,  Philip J. Pietraski

发明人： Weimin Liu ,  Rui Yang ,  Philip J. Pietraski

IPC分类号： H04B15/00 ,  H04B7/15

CPC分类号： H04B15/00 ,  H04B7/15 ,  H04B7/15521 ,  H04L1/0076

摘要： Two network nodes may exchange messages through a relay using physical-layer network coding combined with forward error correction coding (FEC). The relay determines a prime field order based on the channel condition and communicates the field order to the network nodes. Each network node encodes an outgoing message with linear codes over a field such as finite field of the field order, and transmits a signal carrying the encoded outgoing message. The relay receives a composite signal carrying the summation of the messages from the two network nodes. The relay decodes the composite signal and extracts a composite message with linear codes over finite field of field order, and broadcasts a signal carrying the composite message. Each network node receives the signal from the relay and extracts the message intended for it using linear subtraction over finite field of field order.

摘要翻译： 两个网络节点可以使用结合前向纠错编码（FEC）的物理层网络编码通过中继交换消息。 继电器基于信道条件确定主场顺序，并将该场顺序传送到网络节点。 每个网络节点通过诸如场顺序的有限域的字段编码具有线性码的输出消息，并且发送携带编码的输出消息的信号。 继电器接收携带来自两个网络节点的消息总和的复合信号。 中继解码复合信号，并通过有限场场顺序提取具有线性码的复合消息，并广播携带复合消息的信号。 每个网络节点接收来自中继器的信号，并通过有限场域顺序使用线性减法提取预期的消息。

公开(公告)号：US20120300692A1

公开(公告)日：2012-11-29

申请号：US13503258

申请日：2010-10-22

申请人： Sana Sfar ,  Weimin Liu ,  Philip J. Pietraski ,  Rui Yang ,  Zhemin Xu

发明人： Sana Sfar ,  Weimin Liu ,  Philip J. Pietraski ,  Rui Yang ,  Zhemin Xu

IPC分类号： H04J3/08 ,  H04W88/02

CPC分类号： H04L27/34 ,  H04B7/15521 ,  H04B7/2606 ,  H04B7/2656 ,  H04L1/1607 ,  H04L2001/0097

摘要： A two-way relay wireless communication method and device may combine multiple bit steams, for one source node and two target nodes, and broadcasting a network coded combined bit sequence to reduce the number of time slots for transmission. A first device may receive a signal from the source node and a target node simultaneously in a time slot. The first device may receive subsequent signals from the source node and multiple target nodes simultaneously in successive time slots. Hierarchical modulation may be applied to the received signals. The first device may decode the received signals and generate a plurality of intermediate bit sequences (IBS)s for a broadcast transmission. The generated IBSs may be grouped according to a channel condition. A second device may be configured to receive the broadcast transmission and decode a portion of the broadcast transmission that is intended for the second device.

摘要翻译： 双向中继无线通信方法和装置可以对一个源节点和两个目标节点组合多个比特流，并且广播网络编码的组合比特序列以减少用于传输的时隙数量。 第一设备可以在时隙中同时从源节点和目标节点接收信号。 第一设备可以在连续的时隙中同时从源节点和多个目标节点接收后续信号。 可以对接收的信号应用分层调制。 第一设备可以对接收的信号进行解码，并生成用于广播传输的多个中间比特序列（IBS）。 所生成的IBS可以根据信道条件进行分组。 第二设备可以被配置为接收广播传输并解码旨在用于第二设备的广播传输的一部分。

公开(公告)号：US20090060020A1

公开(公告)日：2009-03-05

申请号：US12265929

申请日：2008-11-06

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

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

IPC分类号： H04L27/01

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

摘要： A method and apparatus for estimating and correcting baseband frequency error in a receiver. In one embodiment, 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. In another embodiment, a channel estimator performs channel estimation and generates Rake receiver 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： 一种用于估计和校正接收机中的基带频率误差的方法和装置。 在一个实施例中，均衡器对采样数据流执行均衡，并且基于均衡产生滤波器抽头值。 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。 在另一个实施例中，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接收机手指权重。 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：US07499406B2

公开(公告)日：2009-03-03

申请号：US11732904

申请日：2007-04-04

申请人： Philip J. Pietraski ,  Gregory S. Sternberg ,  Rui Yang ,  Bin Li

发明人： Philip J. Pietraski ,  Gregory S. Sternberg ,  Rui Yang ,  Bin Li

IPC分类号： G06F11/00 ,  H04B3/46 ,  H04B17/00 ,  H04Q1/20

CPC分类号： H04L1/0026 ,  H04L1/20 ,  H04L25/0202

摘要： A method and apparatus for estimating and reporting the quality of a wireless communication channel between a wireless transmit/receive unit (WTRU) and a Node-B. A modulated signal is received from the Node-B over the communication channel and a channel estimation is performed on the modulated signal to provide a channel estimate. In one embodiment, the modulated signal is demodulated based on the channel estimate to provide a demodulated signal and a signal-to-interference (SIR) estimate based on the demodulated signal is obtained. The quality of the communication channel is estimated based on at least the SIR estimate. In an alternate embodiment, a SIR estimate based on the channel estimate is obtained. The quality of the communication channel is estimated based on the SIR estimate and additional information including at least one of delay spread, transmit power and WTRU velocity information.

摘要翻译： 一种用于估计和报告无线发射/接收单元（WTRU）和节点B之间的无线通信信道的质量的方法和装置。 通过通信信道从节点B接收调制信号，并对调制信号执行信道估计以提供信道估计。 在一个实施例中，基于信道估计来解调调制信号以提供解调信号，并且获得基于解调信号的信号干扰（SIR）估计。 至少基于SIR估计来估计通信信道的质量。 在替代实施例中，获得基于信道估计的SIR估计。 基于SIR估计和包括延迟扩展，发射功率和WTRU速度信息中的至少一个的附加信息来估计通信信道的质量。

公开(公告)号：US07453964B2

公开(公告)日：2008-11-18

申请号：US11586415

申请日：2006-10-25

申请人： Robert Lind Olesen ,  Alexander Reznik ,  Philip J. Pietraski ,  Rui Yang

发明人： Robert Lind Olesen ,  Alexander Reznik ,  Philip J. Pietraski ,  Rui Yang

IPC分类号： H04B1/02

CPC分类号： H04L27/2647 ,  H04B7/0845 ,  H04B7/086

摘要： A wireless communication apparatus which uses fast Fourier transforms (FFTs) in an orthogonal frequency division multiplexing (OFDM) receiver which incorporates a beam space antenna array. The beam space antenna array may be implemented with a Butler matrix array. The beam space antenna array may be a circular array, vertical array, or a combination of both circular and vertical arrays, for providing the desired angular antenna coverage. In one embodiment, the antenna array is optimized because the FFTs are linear invariant transform operators, whereby the order of operations in the OFDM receiver can be interchanged.

摘要翻译： 一种在包含波束空间天线阵列的正交频分复用（OFDM）接收机中使用快速傅里叶变换（FFT）的无线通信装置。 波束空间天线阵列可以用Butler矩阵阵列来实现。 波束空间天线阵列可以是圆形阵列，垂直阵列或圆形阵列和垂直阵列的组合，用于提供所需的角度天线覆盖。 在一个实施例中，天线阵列被优化，因为FFT是线性不变变换运算符，由此OFDM接收机中的操作顺序可以互换。

公开(公告)号：US07215646B2

公开(公告)日：2007-05-08

申请号：US10940079

申请日：2004-09-14

申请人： Philip J. Pietraski ,  Gregory S. Sternberg ,  Rui Yang ,  Bin Li

发明人： Philip J. Pietraski ,  Gregory S. Sternberg ,  Rui Yang ,  Bin Li

IPC分类号： G01R31/08 ,  G06F11/00 ,  H04J1/16 ,  H04L12/26 ,  H04L27/06 ,  H03D1/00 ,  H03D1/04

CPC分类号： H04L1/0026 ,  H04L1/20 ,  H04L25/0202

摘要： A method and apparatus for estimating and reporting the quality of a wireless communication channel between a wireless transmit/receive unit (WTRU) and a Node-B. A modulated signal is received from the Node-B over the communication channel and a channel estimation is performed on the modulated signal to provide a channel estimate. In one embodiment, the modulated signal is demodulated based on the channel estimate to provide a demodulated signal and a signal-to-interference (SIR) estimate based on the demodulated signal is obtained. The quality of the communication channel is estimated based on at least the SIR estimate. In an alternate embodiment, a SIR estimate based on the channel estimate is obtained. The quality of the communication channel is estimated based on the SIR estimate and additional information including at least one of delay spread, transmit power and WTRU velocity information.

摘要翻译： 一种用于估计和报告无线发射/接收单元（WTRU）和节点B之间的无线通信信道的质量的方法和装置。 通过通信信道从节点B接收调制信号，并对调制信号执行信道估计以提供信道估计。 在一个实施例中，基于信道估计来解调调制信号以提供解调信号，并且获得基于解调信号的信号干扰（SIR）估计。 至少基于SIR估计来估计通信信道的质量。 在替代实施例中，获得基于信道估计的SIR估计。 基于SIR估计和包括延迟扩展，发射功率和WTRU速度信息中的至少一个的附加信息来估计通信信道的质量。

公开(公告)号：US10051624B2

公开(公告)日：2018-08-14

申请号：US13991871

申请日：2011-12-06

申请人： Samian Kaur ,  Erdem Bala ,  Tao Deng ,  Kandarp Shah ,  Kiran K. Vanganuru ,  Philip J. Pietraski ,  Stephen E. Terry ,  Rui Yang ,  Gregory S. Sternberg ,  Douglas R. Castor ,  Ravikumar V. Pragada ,  Mihaela C. Beluri ,  Janet A. Stern-Berkowitz

发明人： Samian Kaur ,  Erdem Bala ,  Tao Deng ,  Kandarp Shah ,  Kiran K. Vanganuru ,  Philip J. Pietraski ,  Stephen E. Terry ,  Rui Yang ,  Gregory S. Sternberg ,  Douglas R. Castor ,  Ravikumar V. Pragada ,  Mihaela C. Beluri ,  Janet A. Stern-Berkowitz

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04L27/00 ,  H04L27/26

CPC分类号： H04W72/0453 ,  H04L5/001 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0055 ,  H04L27/0006 ,  H04L27/2657 ,  H04L27/2662 ,  H04W72/0413

摘要： A grant that includes a resource allocation for a subframe set may be communicated. The subframe set may include a subframe resource and another subframe resource following the subframe resource. Sensing, during a sensing time prior to utilization of the subframe resource, that the unlicensed spectrum is available may be performed. Transmitting, based on the sensing, data on the subframe resource and the another subframe resource without further sensing may also be performed.

公开(公告)号：US08407534B2

公开(公告)日：2013-03-26

申请号：US13246199

申请日：2011-09-27

申请人： Eldad M. Zeira ,  Alexander Reznik ,  Rui Yang ,  Philip J. Pietraski ,  Yongwen Yang

发明人： Eldad M. Zeira ,  Alexander Reznik ,  Rui Yang ,  Philip J. Pietraski ,  Yongwen Yang

IPC分类号： H04L1/16

CPC分类号： H04B7/0456 ,  G06F11/006 ,  H04B7/0417 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0636 ,  H04B7/0639 ,  H04B7/0652 ,  H04L1/0026 ,  H04L1/0057 ,  H04L1/007 ,  H04L1/0073 ,  H04L1/06 ,  H04L1/1671 ,  H04L65/601 ,  H04L69/40 ,  H04L2025/03802 ,  H04L2209/34

摘要： A method and apparatus for encoding channel quality indicator (CQI) and precoding control information (PCI) bits are disclosed. Each of the input bits, such as CQI bits and/or PCI bits, has a particular significance. The input bits are encoded with a linear block coding. The input bits are provided with an unequal error protection based on the significance of each input bit. The input bits may be duplicated based on the significance of each input bit and equal protection coding may be performed. A generator matrix for the encoding may be generated by elementary operation of conventional basis sequences to provide more protection to a most significant bit (MSB).

摘要翻译： 公开了用于编码信道质量指示符（CQI）和预编码控制信息（PCI）比特的方法和装置。 诸如CQI比特和/或PCI比特的每个输入比特具有特别的意义。 输入位用线性块编码进行编码。 基于每个输入位的重要性，输入位提供不等错误保护。 可以基于每个输入比特的重要性来复制输入比特，并且可以执行相等的保护编码。 可以通过传统基本序列的基本操作来产生用于编码的生成器矩阵，以向最高有效位（MSB）提供更多的保护。