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131. 发明授权

US06985513B2 Channel estimation for time division duplex communication systems 失效
公开(公告)号：US06985513B2
公开(公告)日：2006-01-10
申请号：US09755400
申请日：2001-01-05
申请人： Ariela Zeira
发明人： Ariela Zeira
IPC分类号： H04B1/69 , H04B7/216
CPC分类号： H04L25/0228 , H04B1/7105 , H04B1/71052 , H04B2201/70701 , H04L25/0204 , H04L25/0206 , H04L25/0212 , H04L25/0226 , H04L25/0242 , H04L25/0246 , H04L25/025 , H04L25/03331
摘要： A single transmitter transmits K communication bursts in a shared spectrum in a time slot of a time division duplex communication system. The system associated with N midamble sequences. Each burst has an associated midamble sequence. A receiver receives a vector corresponding to the transmitted midamble sequences of the K communication bursts. A matrix having N identical right circulant matrix blocks is constructed based in part on the known N midamble sequences. The wireless channel between the transmitter and receiver is estimated based on in part one of the N blocks and the received vector.

132. 发明申请

US20050281214A1 Multi-user detection using an adaptive combination of joint detection and successive interference cancellation 审中-公开
标题翻译：使用联合检测和连续干扰消除的自适应组合的多用户检测
公开(公告)号：US20050281214A1
公开(公告)日：2005-12-22
申请号：US11210946
申请日：2005-08-24
申请人： Raj Misra , Ariela Zeira , Jung-Lin Pan
发明人： Raj Misra , Ariela Zeira , Jung-Lin Pan
IPC分类号： H04B1/7103 , H04B1/707 , H04B1/7093 , H04J3/00 , H04L25/03 , H04Q7/38 , H04B7/212
CPC分类号： H04B1/7105 , H04B1/71072 , H04L25/03305 , H04L25/03331
摘要： A time division duplex communication system using code division multiple access transmits a plurality of data signals over a shared spectrum in a time slot. A combined signal is received over the shared spectrum in the time slot. The plurality of data signals are grouped into a plurality of groups. The combined signal is matched filtered based on in part symbol responses associated with the data signals of one of the groups. Data from each data signal in the one group is jointly detected. An interference signal is constructed based on in part the one group detected data. The constructed interference signal is subtracted from the combined signal. Data from the other groups is detected by processing the subtracted signal.
摘要翻译：使用码分多址的时分双工通信系统在时隙中通过共享频谱发送多个数据信号。在时隙中通过共享频谱接收组合信号。多个数据信号被分组成多个组。基于与组中的一个的数据信号相关联的部分符号响应来对组合的信号进行匹配滤波。来自一组中的每个数据信号的数据被共同检测。部分地基于一组检测数据构建干扰信号。从组合信号中减去构成的干扰信号。通过处理相减信号来检测来自其他组的数据。

133. 发明授权

US06957175B2 Method and apparatus for determining signal-to-interference ratio with reduced bias effect 失效
标题翻译：用减小的偏置效应确定信号干扰比的方法和装置
公开(公告)号：US06957175B2
公开(公告)日：2005-10-18
申请号：US10686388
申请日：2003-10-14
申请人： Sung-Hyuk Shin , Ariela Zeira
发明人： Sung-Hyuk Shin , Ariela Zeira
IPC分类号： G06F19/00 , H04B20060101 , H04B1/10 , H04B7/005 , H04B7/26 , H04B15/00 , H04B17/00 , H04L29/02
CPC分类号： H04B1/1027 , H04B17/336
摘要： A method and apparatus for estimating a signal-to-interference ratio (SIR) of baseband signals which are received and processed by a data demodulator to provide demodulated signals to a SIR estimator. The SIR estimator receives the demodulated symbols from the data demodulator and estimates the average signal power of the demodulated symbols as a function of a median based average power value md and a mean based average power value me of the demodulated symbols for each quadrant of a quadrature phase shift keying (QPSK) constellation. The function is used to determine a minimum value m between md and me. The SIR estimator estimates the average effective interference power of the demodulated symbols and calculates the SIR by dividing the estimated average signal power of the demodulated symbols by the estimated average effective interference power of the demodulated symbols. The SIR estimator reduces bias effects on SIR estimation.
摘要翻译：一种用于估计由数据解调器接收和处理的基带信号的信号干扰比（SIR）的方法和装置，以向SIR估计器提供解调信号。 SIR估计器从数据解调器接收解调符号，并将解调符号的平均信号功率估计为基于中值的平均功率值m N d和基于平均值的平均功率值m _{正交相移键控（QPSK）星座的每个象限的解调符号的大小。该函数用于确定m d> and and e a。。。。。。。。。。。。。。。。。。。。。。。。。 SIR估计器估计解调符号的平均有效干扰功率，并且通过将解调符号的估计平均信号功率除以所解调的符号的估计的平均有效干扰功率来计算SIR。 SIR估计器减少对SIR估计的偏差影响。}

134. 发明申请

US20050213636A1 user equipment using combined closed loop/open loop power control 失效
标题翻译：用户设备采用组合闭环/开环功率控制
公开(公告)号：US20050213636A1
公开(公告)日：2005-09-29
申请号：US11136239
申请日：2005-05-24
申请人： Ariela Zeira , Fatih Ozluturk , Sung-Hyuk Shin
发明人： Ariela Zeira , Fatih Ozluturk , Sung-Hyuk Shin
IPC分类号： H04B1/69 , H04B1/707 , H04B7/005
CPC分类号： H04W52/265 , H04B2201/709709 , H04W52/08 , H04W52/10 , H04W52/24 , H04W52/241 , H04W52/242 , H04W52/248 , H04W52/54 , H04W52/60
摘要： At a first communication station, communications from a second communication station are received. The first station transmits power commands based on in part a reception quality of the received communications. From the first communication station, a first communication having a transmission power level in a first time slot is transmitted. At the second communication station, the first communication and the power commands are received. A power level of the first communication as received is measured. A pathloss estimate is determined based on in part the measured received first communication power level and the first communication transmission power level. A transmission power level is set for a second communication in a second time slot from the second station to the first station based on in part the pathloss estimate weighted by a quality factor and the power commands.
摘要翻译：在第一通信站处，接收来自第二通信站的通信。第一站部分地基于所接收的通信的接收质量来发送功率命令。从第一通信站发送具有第一时隙中的发送功率电平的第一通信。在第二通信站，接收第一通信和电源命令。测量接收到的第一通信的功率电平。基于部分地测量的接收到的第一通信功率电平和第一通信发送功率电平来确定路径损耗估计。基于部分由质量因子和功率命令加权的路径损耗估计，从第二站到第一站在第二时隙中为第二通信设置发送功率电平。

135. 发明申请

US20050047346A1 Transport block set segmentation 有权
标题翻译：传输块集分割
公开(公告)号：US20050047346A1
公开(公告)日：2005-03-03
申请号：US10841289
申请日：2004-05-07
申请人： Stephen Terry , Ariela Zeira , Nader Bolourchi
发明人： Stephen Terry , Ariela Zeira , Nader Bolourchi
IPC分类号： H04B7/155 , H04B1/707 , H04J3/24 , H04L1/00 , H04L1/18 , H04Q7/00
CPC分类号： H04L1/0003 , H04L1/0006 , H04L1/0009 , H04L1/1819 , H04L1/1845 , H04L1/1874
摘要： Data of a transport block set is to be transmitted in a wireless communication system. The wireless communication system uses adaptive modulation and coding and has a physical layer hybrid automatic repeat request mechanism. Segmentation information for potential segmentation of the transport block set is provided. The transport block set is transmitted with a first specified modulation and coding scheme. The transport bock set is received and whether the received transport block set is determined to meet a specified quality. When the specified quality is not met, a repeat request is transmitted. The first specified modulation and coding set is changed to a second specified modulation and coding set. In response to the repeat request, the transmit block set is segmented into a plurality of segments supported by the second specified modulation and coding set in accordance with the provided segmentation information. The segments are transmitted and at least two of the segments are transmitted separately. The transmitted segments are received. The segmentation process may be applied more than once for a particular TBS transmission.
摘要翻译：传输块集合的数据将在无线通信系统中发送。无线通信系统采用自适应调制编码，具有物理层混合自动重传请求机制。提供了用于传输块集合的潜在分段的分段信息。以第一规定的调制和编码方案发送传输块集。接收到传输块集，以及确定接收的传输块集合是否满足指定的质量。当不满足指定的质量时，会发送重复请求。第一规定的调制编码组被改变为第二规定的调制编码集。响应于重复请求，发送块集合根据所提供的分段信息被分割成由第二指定的调制和编码集支持的多个分段。传送段，并且至少两个段被单独传送。传送的段被接收。对于特定的TBS传输，分段处理可以被多次应用。

136. 发明授权

US06845122B2 User equipment utilizing weighted open loop power control 有权
标题翻译：利用加权开环功率控制的用户设备
公开(公告)号：US06845122B2
公开(公告)日：2005-01-18
申请号：US10446539
申请日：2003-05-28
申请人： Ariela Zeira , Sung-Hyuk Shin
发明人： Ariela Zeira , Sung-Hyuk Shin
IPC分类号： H04B1/707 , H04B7/005 , H04B1/69
CPC分类号： H04W52/10 , H04B2201/709709 , H04W52/24 , H04W52/242 , H04W52/246 , H04W52/248
摘要： A user equipment (UE) employs weighted open loop power control by receiving a communication and measuring its received power level. Based on, in part, the received communication's power level and the communication's transmission power level, a path loss estimate is determined. A quality of the path loss estimate is also determined. The transmission power level for a communication from the UE is based, in part, on weighting the path loss estimate in response to the estimate's quality.
摘要翻译：用户设备（UE）通过接收通信并测量其接收到的功率电平来采用加权开环功率控制。基于部分接收的通信的功率电平和通信的发送功率电平，确定路径损耗估计。路径损耗估计的质量也被确定。来自UE的通信的发射功率电平部分地基于响应于估计的质量对路径损耗估计进行加权。

137. 发明授权

US06842496B2 Algorithm for multiple-symbol differential detection 失效
标题翻译：多符号差分检测算法
公开(公告)号：US06842496B2
公开(公告)日：2005-01-11
申请号：US10279238
申请日：2002-10-24
申请人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
发明人： Bin Li , Robert A. DiFazio , Donald M. Grieco , Ariela Zeira
IPC分类号： H04L25/03 , H04L27/22 , H04B1/707 , H04L23/02
CPC分类号： H04L27/2331 , H04L25/03197 , H04L27/2332
摘要： A method for differential phase evaluation of M-ary communication data is employed in which the data consists of N sequential symbols r1 . . . rN, each having one of M transmitted phases. Selected sequences of N−1 elements that represent possible sequences of phase differentials are evaluated using multiple-symbol differential detection. Using r1 as the reference for each phase differential estimate, sN−1 phase differential sequences are selected in the form (P2i, P3i, . . . , PNi) for i=1 to s for evaluating said symbol set, where s is predetermined and 1
摘要翻译：采用一种用于微分通信数据的差分相位估计的方法，其中数据由N个连续符号r1组成。。。 rN，每个都具有M个传输相中的一个。使用多符号差分检测来评估代表可能的相位差序列的N-1个元素的选定序列。使用r1作为每个相位差分估计的参考，以i = 1至s的形式（P2i，P3i，...，PNi）选择s 相位差分序列，用于评估所述符号集，其中s 是预定的，1

138. 发明授权

US06831944B1 Reduced computation in joint detection 失效
标题翻译：减少联合检测中的计算
公开(公告)号：US06831944B1
公开(公告)日：2004-12-14
申请号：US09662404
申请日：2000-09-14
申请人： Raj Mani Misra , Ariela Zeira
发明人： Raj Mani Misra , Ariela Zeira
IPC分类号： H04B169
CPC分类号： H04B1/71052 , G06F17/16 , H04B1/71055 , H04B2201/70707 , H04L25/0204 , H04L25/0242
摘要： A plurality of transmitted data signals are received at a receiver. The receiver measures a channel response associated with the transmitted data signals. A system response is determined. The system response is expanded to be piecewise orthogonal. The received data signals data is retrieved based on in part the expanded system response.
摘要翻译：在接收机处接收多个发送的数据信号。接收机测量与发送的数据信号相关联的信道响应。确定系统响应。系统响应扩展为分段正交。部分地基于扩展的系统响应来检索所接收的数据信号数据。

139. 发明授权

US06741653B2 Data detection for codes with non-uniform spreading factors 有权
标题翻译：具有不均匀扩散因子的码的数据检测
公开(公告)号：US06741653B2
公开(公告)日：2004-05-25
申请号：US10064307
申请日：2002-07-01
申请人： Younglok Kim , Jung-Lin Pan , Ariela Zeira , Alexander Reznik
发明人： Younglok Kim , Jung-Lin Pan , Ariela Zeira , Alexander Reznik
IPC分类号： H04N712
CPC分类号： H04J13/0044 , H04B1/707 , H04B1/71052 , H04B1/71055 , H04B2201/70703 , H04B2201/70705
摘要： A plurality of communication signals is received. Each communication signal has an associated code. At least two of the communication signals has a different spreading factor. The associated codes have a scrambling code period. A total system response matrix has blocks. Each block has one dimension of a length M and another dimension of a length based on in part M and the spreading factor of each communication. M is based on the scrambling code period. Data of the received plurality of communication signals is received using the constructed system response matrix.
摘要翻译：接收多个通信信号。每个通信信号具有相关代码。至少两个通信信号具有不同的扩展因子。相关代码具有扰码周期。总系统响应矩阵具有块。每个块具有长度M的一维和基于部分M的长度的另一维度和每个通信的扩展因子。 M基于扰码周期。使用所构建的系统响应矩阵来接收所接收的多个通信信号的数据。

140. 发明授权

US06714527B2 Multiuser detector for variable spreading factors 失效
标题翻译：用于可变扩散因子的多用户检测器
公开(公告)号：US06714527B2
公开(公告)日：2004-03-30
申请号：US10174121
申请日：2002-06-18
申请人： Younglok Kim , Jung-Lin Pan , Ariela Zeira , Alexander Reznik
发明人： Younglok Kim , Jung-Lin Pan , Ariela Zeira , Alexander Reznik
IPC分类号： H04J1302
CPC分类号： H04B1/71052 , H04B1/7105 , H04B2201/70703 , H04B2201/70705
摘要： A plurality of communication signals have differing spreading codes. Each communication has an associated code comprising chips. For each chip of each communication, a vector of that chip convolved with an impulse response is produced. For each communication, support blocks comprising the chip vectors are produced. A number of the chip vectors in a support block is based on that communication's spreading factor. A system response matrix is assembled. The system response matrix has symbol sub-matrices. Each symbol sub-matrix comprises a support block from each communication. Data of the communications is detected using the symbol response matrix.
摘要翻译：多个通信信号具有不同的扩展码。每个通信具有包括芯片的相关代码。对于每个通信的每个芯片，产生与脉冲响应卷积的该芯片的矢量。对于每个通信，产生包括芯片向量的支持块。支持块中的多个码片向量基于该通信的扩频因子。组合系统响应矩阵。系统响应矩阵具有符号子矩阵。每个符号子矩阵包括来自每个通信的支持块。使用符号响应矩阵检测通信的数据。

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