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81. 发明授权

US06996078B2 Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system 有权
公开(公告)号：US06996078B2
公开(公告)日：2006-02-07
申请号：US09910329
申请日：2001-07-20
申请人： Jung-Lin Pan , Ariela Zeira
发明人： Jung-Lin Pan , Ariela Zeira
IPC分类号： H04Q7/00 , H04B7/216 , H04B17/02 , H04L12/28 , H03C1/62
CPC分类号： H04W72/0446 , H04B7/2618 , H04L5/0073 , H04L5/14 , H04W52/143 , H04W72/0413 , H04W72/042 , H04W72/082 , H04W72/1268 , H04W72/1273
摘要： A particular cell of a hybrid time division multiple access/code division multiple access communication system has a base station and a plurality of user requirements. Timeslots having unacceptable interference for the uplink are estimated. Timeslots having unacceptable interference for the downlink are estimated. An availability list is produced. The availability list indicates available uplink and downlink timeslots having acceptable interference levels. Uplink and downlink timeslots are assigned using the availability list.

82. 发明授权

US06904036B2 Single user detection base station 有权
标题翻译：单用户检测基站
公开(公告)号：US06904036B2
公开(公告)日：2005-06-07
申请号：US10077527
申请日：2002-02-15
申请人： Jung-Lin Pan , Parthapratim De , Ariela Zeira
发明人： Jung-Lin Pan , Parthapratim De , Ariela Zeira
IPC分类号： H04B1/707 , H04B1/7097 , H04B7/204 , H04L5/22 , H04Q7/38 , H04L12/28
CPC分类号： H04B1/71052 , H04B1/71055
摘要： A time division duplex using code division multiple access base station receives a plurality of data signals in a time slot. Each data signal experiences a similar channel response. The base station receives a combined signal over the shared spectrum in a time slot. The combined signal comprises the plurality of data signals. The combined signal is sampled at a multiple of a chip rate of the combined signal. The similar channel response is estimated. A channel response matrix or a channel correlation matrix is constructed based on in part the estimated channel response. A spread data vector is determined based on in part a fast fourier transform (FFT) decomposition of a circulant version of the channel response or channel correlation matrix. The spread data vector is despread to recover data from the matrix.
摘要翻译：使用码分多址基站的时分双工在时隙中接收多个数据信号。每个数据信号经历类似的信道响应。基站在时隙中通过共享频谱接收组合信号。组合信号包括多个数据信号。组合信号以组合信号的码片速率的倍数进行采样。估计类似的信道响应。基于估计的信道响应部分构建信道响应矩阵或信道相关矩阵。基于信道响应或信道相关矩阵的循环版本的部分快速傅立叶变换（FFT）分解来确定扩展数据向量。扩展数据向量被解扩以从矩阵中恢复数据。

83. 发明授权

US06757321B2 Segment-wise channel equalization based data estimation 有权
标题翻译：基于分段信道均衡的数据估计
公开(公告)号：US06757321B2
公开(公告)日：2004-06-29
申请号：US10153112
申请日：2002-05-22
申请人： Jung-Lin Pan , Ariela Zeira
发明人： Jung-Lin Pan , Ariela Zeira
IPC分类号： H04L2730
CPC分类号： H04B1/7105 , H04B1/707
摘要： Data is estimated of a plurality of received spread spectrum signals. The plurality of received communications are received in a shared spectrum. The received communications are sampled to produce a received vector. The received vector is processed to produce a plurality of segments. Each segment is processed separately to estimate data of the received communications.
摘要翻译：估计多个接收的扩频信号的数据。多个接收到的通信在共享频谱中被接收。接收到的通信被采样以产生接收的向量。处理所接收的矢量以产生多个段。每个段被单独处理以估计接收到的通信的数据。

84. 发明授权

US06625203B2 Fast joint detection 失效
标题翻译：快速联合检测
公开(公告)号：US06625203B2
公开(公告)日：2003-09-23
申请号：US10037710
申请日：2001-12-31
申请人： Parthapratim De , Jung-Lin Pan , Ariela Zeira
发明人： Parthapratim De , Jung-Lin Pan , Ariela Zeira
IPC分类号： H04B1400
CPC分类号： H04B1/7105
摘要： K data signals are transmitted over a shared spectrum in a code division multiple access communication system. A combined signal is received and sampled over the shared spectrum. The combined signal has the K transmitted data signals. A combined channel response matrix is produced using the codes and impulse responses of the K transmitted data signals. A block column of a combined channel correlation matrix is determined using the combined channel response matrix. Each block entry of the block column is a K by K matrix. At each frequency point k, a K by K matrix &Lgr;(k) is determined by taking the fourier transform of the block entries of the block column. An inverse of &Lgr;(k) is multiplied to a result of the fourier transform. Alternately, forward and backward substitution can be used to solve the system. An inverse fourier transform is used to recover the data from the K data signals.
摘要翻译：在码分多址通信系统中，通过共享频谱发送K个数据信号。组合信号在共享频谱上被接收和采样。组合信号具有K个发送的数据信号。使用K个发送的数据信号的代码和脉冲响应来产生组合的信道响应矩阵。使用组合信道响应矩阵来确定组合信道相关矩阵的块列。块列的每个块条目是K乘K矩阵。在每个频点k处，通过对块列的块条目进行傅里叶变换来确定K乘K矩阵Lambd <（k）>。将Lambd <（k）>的倒数乘以傅立叶变换的结果。或者，可以使用前向和后向替换来解决系统。使用逆傅立叶变换从K个数据信号中恢复数据。

85. 发明申请

US20100020856A1 DATA DETECTION FOR CODES WITH NON-UNIFORM SPREADING FACTORS 有权
标题翻译：具有非均匀扩展因子的代码的数据检测
公开(公告)号：US20100020856A1
公开(公告)日：2010-01-28
申请号：US12549959
申请日：2009-08-28
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： H04B1/707
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。

86. 发明授权

US07474644B2 Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system 有权
标题翻译：混合无线时分多址/码分多址通信系统中的自适应上行链路/下行链路时隙分配
公开(公告)号：US07474644B2
公开(公告)日：2009-01-06
申请号：US11347340
申请日：2006-02-03
申请人： Jung-Lin Pan , Ariela Zeira
发明人： Jung-Lin Pan , Ariela Zeira
IPC分类号： H04Q7/00 , H04Q7/20 , H04B7/216 , H04B17/02 , H04J3/16
CPC分类号： H04W72/0446 , H04B7/2618 , H04L5/0073 , H04L5/14 , H04W52/143 , H04W72/0413 , H04W72/042 , H04W72/082 , H04W72/1268 , H04W72/1273
摘要： A hybrid time division duplex/code division multiple access communication system comprises a radio network controller coupled to a plurality of Node-Bs. The radio network controller comprises a resource allocation device for providing each Node-B with a list of timeslots that the Node-B can use to assign uplink timeslots and downlink timeslots. The list of timeslots does not include all potential timeslots as being assignable for uplink communications and does not include all potential timeslots as being assignable for downlink communications. Each of the plurality of Node-Bs comprises an assignment device for dynamically assigning uplink and downlink communications to users of the Node-B in response to the assignable uplink and downlink timeslots of the list.
摘要翻译：混合时分双工/码分多址通信系统包括耦合到多个节点B的无线电网络控制器。无线电网络控制器包括用于向每个节点B提供节点B可以用于分配上行链路时隙和下行链路时隙的时隙的列表的资源分配装置。时隙列表不包括可分配给上行链路通信的所有潜在时隙，并且不包括所有可能的时隙作为下行链路通信可分配。多个节点B中的每一个包括分配装置，用于响应于该列表的可分配的上行链路和下行链路时隙向节点B的用户动态分配上行链路和下行链路通信。

87. 发明授权

US07447255B2 Fast joint detection user equipment 失效
标题翻译：快速联合检测用户设备
公开(公告)号：US07447255B2
公开(公告)日：2008-11-04
申请号：US10079334
申请日：2002-02-20
申请人： Parthapratim De , Jung-Lin Pan , Ariela Zeira
发明人： Parthapratim De , Jung-Lin Pan , Ariela Zeira
IPC分类号： H04B1/00
CPC分类号： H04B1/7105
摘要： A code division multiple access user equipment receives K data signals over a shared spectrum. The user equipment receives and samples a combined signal having the K transmitted data signals. A combined channel response matrix is produced. A block column of a cross correlation matrix is determined using the combined channel response matrix. Each block entry of the block column is a K by K matrix. Each block entry of the block column is a K by K matrix. A fourier transform of a complex conjugate transpose of the combined channel response matrix multiplied to the combined signal samples is taken. An inverse of a fourier transform of each block entry is multiplied to a result of the fourier transform to produce a fourier transform of the data vector. An inverse fourier transform of the data vector fourier transform is taken to produce data of the K signals.
摘要翻译：码分多址用户设备通过共享频谱接收K个数据信号。用户设备接收并采样具有K个发送的数据信号的组合信号。产生组合的通道响应矩阵。使用组合信道响应矩阵来确定互相关矩阵的块列。块列的每个块条目是K乘K矩阵。采用乘以组合信号样本的组合信道响应矩阵的复共轭转置的傅立叶变换。将每个块条目的傅立叶变换的倒数乘以傅里叶变换的结果，以产生数据向量的傅立叶变换。采用数据向量傅立叶变换的逆傅立叶变换来产生K信号的数据。

88. 发明申请

US20080062860A1 EFFICIENT JOINT DETECTION 失效
标题翻译：有效的联合检测
公开(公告)号：US20080062860A1
公开(公告)日：2008-03-13
申请号：US11926534
申请日：2007-10-29
申请人： Jaeyoung Kwak , John Haim , Ariela Zeira , Jung-Lin Pan
发明人： Jaeyoung Kwak , John Haim , Ariela Zeira , Jung-Lin Pan
IPC分类号： H04J11/00
CPC分类号： H04B1/71052 , H04B2201/70707
摘要： K data signals, or bursts, are transmitted over a shared spectrum in a code division multiple access communication format. A combined signal is received and sampled over the shared spectrum, as a plurality of received vector versions. The combined signal includes the K transmitted data signals. A plurality of system matrices and an associated covariance matrix using codes and estimated impulse responses of the K data signals is produced. Each system matrix corresponds to a received vector version. The system and covariance matrices are extended and approximated as block circulant matrices. A diagonal matrix of each of the; extended and approximated system and covariance matrices are determined by prime factor algorithm—fast Fourier transform (PFA-FFT) without division of the matrix. The received vector versions are extended. A product of the diagonal matrices and the extended received vector versions is taken. An inverse block discrete Fourier transform is performed by a PFA-FFT on a result of the product to produce the estimated data of the K data signals.
摘要翻译： K个数据信号或脉冲串以码分多址通信格式通过共享频谱发送。组合信号在共享频谱上被接收和采样，作为多个接收的矢量版本。组合信号包括K个发送的数据信号。产生多个系统矩阵和使用K个数据信号的代码和估计的脉冲响应的相关协方差矩阵。每个系统矩阵对应于接收到的矢量版本。系统和协方差矩阵被扩展和近似为块循环矩阵。每个的对角矩阵; 扩展和近似系统和协方差矩阵通过素数因子算法 - 快速傅里叶变换（PFA-FFT）来确定，而不分割矩阵。收到的矢量版本被扩展。采用对角矩阵和扩展接收向量版本的乘积。通过PFA-FFT对乘积的结果执行逆块离散傅里叶变换，以产生K个数据信号的估计数据。

89. 发明授权

US07266168B2 Groupwise successive interference cancellation for block transmission with reception diversity 有权
标题翻译：具有接收分集的块传输的分组连续干扰消除
公开(公告)号：US07266168B2
公开(公告)日：2007-09-04
申请号：US10622306
申请日：2003-07-18
申请人： Jaeyoung Kwak , Jung-Lin Pan , Ariela Zeira
发明人： Jaeyoung Kwak , Jung-Lin Pan , Ariela Zeira
IPC分类号： H04L1/02
CPC分类号： H04B1/71055 , H04B1/7093 , H04B1/71072 , H04B7/0854 , H04L1/06 , H04L25/0212 , H04L25/0226 , H04L25/03305 , H04L25/03318
摘要： A plurality of data signals are received over an antenna array having a plurality of antenna elements. The data signals are transmitted over a shared spectrum in a wireless communication system. A signal having each of the data signals is received over each antenna element. The plurality of data signals are grouped into a plurality of groups. The received signals of the antenna elements are matched filtered for a first group of the plurality of groups, producing a matched filtered result. Data is jointly detected of the first group using the matched filtered result. An interference correction signal is constructed using the detected data for each antenna element. The interference cancelled result is subtracted from the received signal of each antenna element, producing an interference cancelled result for each antenna element. Data is successively detected for remaining groups using the interference cancelled result for each antenna element.
摘要翻译：通过具有多个天线元件的天线阵列接收多个数据信号。数据信号通过无线通信系统中的共享频谱传输。在每个天线元件上接收具有每个数据信号的信号。多个数据信号被分组成多个组。将天线元件的接收信号与多个组中的第一组进行匹配滤波，产生匹配的滤波结果。使用匹配的过滤结果联合检测第一组的数据。使用每个天线元件的检测数据构建干扰校正信号。从每个天线元件的接收信号中减去干扰消除结果，产生每个天线元件的干扰消除结果。使用每个天线元件的干扰消除结果对剩余组连续检测数据。

90. 发明申请

US20070019590A1 SINGLE USER DETECTION BASE STATION 失效
标题翻译：单用户检测基站
公开(公告)号：US20070019590A1
公开(公告)日：2007-01-25
申请号：US11530919
申请日：2006-09-12
申请人： Parthapratim De , Ariela Zeira , Jung-Lin Pan , Raj Mani Misra
发明人： Parthapratim De , Ariela Zeira , Jung-Lin Pan , Raj Mani Misra
IPC分类号： H04B7/216
CPC分类号： H04B1/7105 , H04B1/71052 , H04B2201/70707 , H04L25/0212
摘要： A transmitter site transmits a plurality of data signals over a shared spectrum in a code division multiple access communication system. Each transmitted data signal experiences a similar channel response. A combined signal of the transmitted data signals is received. The combined signal is sampled at a multiple of the chip rate. The channel response for the combined signal is determined. A first element of a spread data vector is determined using the combined signal samples and the estimated channel response. Using a factor from the first element determination, remaining elements of the spread data vector are determined. The data of the data signals is determined using the determined elements of the spread data vector.
摘要翻译：发射机站在码分多址通信系统中通过共享频谱发送多个数据信号。每个发送的数据信号经历类似的信道响应。接收发送的数据信号的组合信号。组合信号以芯片速率的倍数进行采样。确定组合信号的信道响应。使用组合的信号样本和估计的信道响应来确定扩展数据向量的第一元素。使用来自第一元素确定的因子，确定扩展数据向量的剩余元素。使用所确定的扩展数据矢量的元素来确定数据信号的数据。

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