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1. 发明授权

US08817818B2 Backward compatible bandwidth extension 有权
标题翻译：向后兼容带宽扩展
公开(公告)号：US08817818B2
公开(公告)日：2014-08-26
申请号：US12427124
申请日：2009-04-21
申请人： Eko N. Onggosanusi , Anand G. Dabak , Badri Varadarajan , Runhua Chen , Tarik Muharemovic
发明人： Eko N. Onggosanusi , Anand G. Dabak , Badri Varadarajan , Runhua Chen , Tarik Muharemovic
IPC分类号： H04J3/16 , H04J11/00
CPC分类号： H04L5/0007 , H04L5/003 , H04L5/0044 , H04L5/0048
摘要： A transmitter includes a bandwidth configuration unit configured to provide an increased system bandwidth corresponding to a bandwidth extension over multiple component carriers. Additionally, the transmitter also includes a transmit unit configured to employ the bandwidth extension.
摘要翻译：发射机包括带宽配置单元，其被配置为提供对应于多个分量载波上的带宽扩展的增加的系统带宽。另外，发射机还包括被配置为采用带宽扩展的发射单元。

2. 发明申请

US20100061360A1 DEDICATED REFERENCE SIGNAL STRUCTURES FOR SPATIAL MULTIPLEXING BEAMFORMING 审中-公开
标题翻译：用于空间多路复用光束的专用参考信号结构
公开(公告)号：US20100061360A1
公开(公告)日：2010-03-11
申请号：US12557398
申请日：2009-09-10
申请人： Runhua Chen , Anand G. Dabak , Eko N. Onggosanusi , Badri Varadarajan
发明人： Runhua Chen , Anand G. Dabak , Eko N. Onggosanusi , Badri Varadarajan
IPC分类号： H04L25/49 , H04B7/216 , H04J1/00 , H04J3/00 , H04B1/10
CPC分类号： H04L5/0023 , H04L5/0051 , H04L25/0226
摘要： A transmitter is for use with a cellular communication network and includes a beamforming generation unit configured to generate a downlink beamforming transmission corresponding to multiple-layer spatial multiplexing and based on a dedicated reference signal pattern. Additionally, the transmitter also includes a transmit unit configured to transmit the downlink beamforming transmission. A receiver is for use with a cellular communication network and includes a receive unit configured to receive a downlink beamforming transmission, and a beamforming processing unit configured to process the downlink beamforming transmission corresponding to multiple-layer spatial multiplexing and based on a dedicated reference signal pattern.
摘要翻译：发射机用于蜂窝通信网络，并且包括：波束成形生成单元，被配置为生成对应于多层空间复用的下行链路波束形成传输，并且基于专用参考信号模式。另外，发射机还包括被配置为发送下行链路波束成形传输的发射单元。接收机用于蜂窝通信网络并且包括被配置为接收下行链路波束成形传输的接收单元，以及波束形成处理单元，被配置为处理与多层空间复用相对应的下行链路波束成形传输，并且基于专用参考信号模式。

3. 发明申请

US20100046412A1 REFERENCE SIGNAL STRUCTURES FOR MORE THAN FOUR ANTENNAS 审中-公开
标题翻译：参考信号结构超过四个天线
公开(公告)号：US20100046412A1
公开(公告)日：2010-02-25
申请号：US12546615
申请日：2009-08-24
申请人： Badri Varadarajan , Eko N. Onggosanusi , Anand G. Dabak , Runhua Chen
发明人： Badri Varadarajan , Eko N. Onggosanusi , Anand G. Dabak , Runhua Chen
IPC分类号： H04H20/71 , H04M3/00 , H04B7/02
CPC分类号： H04L5/003 , H04L5/0007 , H04L25/0224 , H04W48/08
摘要： A transmitter, for use with a cellular communication network, includes a reference signal generation unit configured to provide a reference signal corresponding to a reference signal structure for more than four transmit antennas. The transmitter also includes a system information signal generation unit configured to provide a system information signal corresponding to the reference signal structure for the more than four transmit antennas. The transmitter additionally includes a transmit unit configured to transmit the reference signal and the system information signal.
摘要翻译：用于蜂窝通信网络的发射机包括参考信号生成单元，被配置为提供对应于多于四个发射天线的参考信号结构的参考信号。发射机还包括系统信息信号生成单元，被配置为提供与多于四个发射天线的参考信号结构相对应的系统信息信号。发射机还包括被配置为发送参考信号和系统信息信号的发射单元。

4. 发明授权

US09225397B2 Efficient rank and precoding matrix feedback for MIMO systems 有权
标题翻译： MIMO系统的有效等级和预编码矩阵反馈
公开(公告)号：US09225397B2
公开(公告)日：2015-12-29
申请号：US12170319
申请日：2008-07-09
申请人： Runhua Chen , Eko N. Onggosanusi , Badri Varadarajan , Anand G. Dabak
发明人： Runhua Chen , Eko N. Onggosanusi , Badri Varadarajan , Anand G. Dabak
IPC分类号： H04B7/04 , H04B7/06
CPC分类号： H04B7/0417 , H04B7/063 , H04B7/0632 , H04B7/0639
摘要： The present disclosure provides a receiver, a transmitter and methods of operating a receiver or a transmitter. In one embodiment, the receiver includes a receive unit configured to receive transmissions from multiple antennas. The receiver also includes a rank feedback unit configured to feed back a transmission rank selection, wherein the transmission rank selection corresponds to a transmission rank feedback reduction scheme. The receiver further includes a precoding feedback unit configured to feed back a precoding matrix selection, wherein the precoding matrix selection corresponds to a precoding matrix feedback reduction scheme.
摘要翻译：本公开提供了一种接收机，发射机和操作接收机或发射机的方法。在一个实施例中，接收机包括被配置为从多个天线接收传输的接收单元。接收机还包括配置为反馈传输等级选择的秩反馈单元，其中传输等级选择对应于传输秩反馈降低方案。所述接收机还包括配置为反馈预编码矩阵选择的预编码反馈单元，其中所述预编码矩阵选择对应于预编码矩阵反馈减少方案。

5. 发明申请

US20090268831A1 BACKWARD COMPATIBLE BANDWIDTH EXTENSION 有权
标题翻译：后退兼容带宽延伸
公开(公告)号：US20090268831A1
公开(公告)日：2009-10-29
申请号：US12427124
申请日：2009-04-21
申请人： Eko N. Onggosanusi , Anand G. Dabak , Badri Varadarajan , Runhua Chen , Tarik Muharemovic
发明人： Eko N. Onggosanusi , Anand G. Dabak , Badri Varadarajan , Runhua Chen , Tarik Muharemovic
IPC分类号： H04L27/28
CPC分类号： H04L5/0007 , H04L5/003 , H04L5/0044 , H04L5/0048
摘要： A transmitter includes a bandwidth configuration unit configured to provide an increased system bandwidth corresponding to a bandwidth extension over multiple component carriers. Additionally, the transmitter also includes a transmit unit configured to employ the bandwidth extension.
摘要翻译：发射机包括带宽配置单元，其被配置为提供对应于多个分量载波上的带宽扩展的增加的系统带宽。另外，发射机还包括被配置为采用带宽扩展的发射单元。

6. 发明申请

US20090017769A1 EFFICIENT RANK AND PRECODING MATRIX FEEDBACK FOR MIMO SYSTEMS 有权
标题翻译： MIMO系统的有效排序和预测矩阵反馈
公开(公告)号：US20090017769A1
公开(公告)日：2009-01-15
申请号：US12170319
申请日：2008-07-09
申请人： Runhua Chen , Eko N. Onggosanusi , Badri Varadarajan , Anand G. Dabak
发明人： Runhua Chen , Eko N. Onggosanusi , Badri Varadarajan , Anand G. Dabak
IPC分类号： H04B7/00
CPC分类号： H04B7/0417 , H04B7/063 , H04B7/0632 , H04B7/0639
摘要： The present disclosure provides a receiver, a transmitter and methods of operating a receiver or a transmitter. In one embodiment, the receiver includes a receive unit configured to receive transmissions from multiple antennas. The receiver also includes a rank feedback unit configured to feed back a transmission rank selection, wherein the transmission rank selection corresponds to a transmission rank feedback reduction scheme. The receiver further includes a preceding feedback unit configured to feed back a preceding matrix selection, wherein the preceding matrix selection corresponds to a preceding matrix feedback reduction scheme.
摘要翻译：本公开提供了一种接收机，发射机和操作接收机或发射机的方法。在一个实施例中，接收机包括被配置为从多个天线接收传输的接收单元。接收机还包括配置为反馈传输等级选择的秩反馈单元，其中传输等级选择对应于传输秩反馈降低方案。所述接收机还包括配置为反馈先前矩阵选择的前述反馈单元，其中所述先前矩阵选择对应于先前的矩阵反馈减少方案。

7. 发明授权

US08755453B2 Pseudorandom sequence generation for OFDM cellular systems 有权
标题翻译： OFDM蜂窝系统的伪随机序列生成
公开(公告)号：US08755453B2
公开(公告)日：2014-06-17
申请号：US12326878
申请日：2008-12-02
申请人： Badri Varadarajan , Anand G. Dabak , Tarkesh Pande , Eko N. Onggosanusi
发明人： Badri Varadarajan , Anand G. Dabak , Tarkesh Pande , Eko N. Onggosanusi
IPC分类号： H04L27/00
CPC分类号： H04L5/0048 , H04B1/04 , H04L23/02 , H04L25/0202 , H04L27/2607 , H04L27/2613 , H04L27/2649
摘要： In one embodiment, a transmitter includes a binary sequence generator unit configured to provide a sequence of reference signal bits, wherein the sequence is an inseparable function of a cell identification parameter, a cyclic prefix mode corresponding to the transmitter and one or more time indices of the sequence. The transmitter also include a mapping unit that transforms the sequence of reference signal bits into a complex reference signal, and a transmit unit configured to transmit the complex reference signal. In another embodiment, a receiver includes a receive unit configured to receive a complex reference signal and a reference signal decoder unit configured to detect a sequence of reference signal bits from the complex reference signal, wherein the sequence is an inseparable function of a cell identification parameter, a cyclic prefix mode corresponding to a transmitter and one or more time indices of the sequence.
摘要翻译：在一个实施例中，发射机包括被配置为提供参考信号比特序列的二进制序列发生器单元，其中该序列是小区识别参数的不可分离的功能，对应于发射机的循环前缀模式和一个或多个时间指数序列。发射机还包括将参考信号比特序列变换为复参考信号的映射单元，以及配置成发送复基准信号的发射单元。在另一实施例中，接收机包括被配置为接收复参考信号的接收单元和被配置为从复参考信号检测参考信号位序列的参考信号解码器单元，其中该序列是小区识别参数的不可分离的函数，对应于发射机的循环前缀模式和序列的一个或多个时间索引。

8. 发明授权

US10044532B2 Pre-coder selection based on resource block grouping 有权
公开(公告)号：US10044532B2
公开(公告)日：2018-08-07
申请号：US11688756
申请日：2007-03-20
申请人： Eko N. Onggosanusi , Badri Varadarajan , Anand G. Dabak
发明人： Eko N. Onggosanusi , Badri Varadarajan , Anand G. Dabak
IPC分类号： H04B7/02 , H04L1/02 , H04L25/03 , H04B7/0417 , H04B7/06 , H04L1/06 , H04L1/00 , H04L5/00 , H04L25/02 , H04L27/26
摘要： The present invention provides a receiver. In one embodiment, the receiver includes a receive portion employing transmission signals from a transmitter having multiple antennas and capable of providing channel estimates. The receiver also includes a feedback generator portion configured to provide to the transmitter a pre-coder selection for data transmission that is based on the channel estimates, wherein the pre-coder selection corresponds to a grouping of frequency-domain resource blocks. The present invention also provides a transmitter having multiple antennas. In one embodiment, the transmitter includes a transmit portion coupled to the multiple antennas and capable of applying pre-coding to a data transmission for a receiver. The transmitter also includes a feedback decoding portion configured to decode a pre-coder selection for the data transmission that is fed back from the receiver, wherein the pre-coder selection corresponds to a grouping of frequency-domain resource blocks.

9. 发明授权

US08830984B2 Mapping schemes for secondary synchronization signal scrambling 有权
标题翻译：二次同步信号加扰的映射方案
公开(公告)号：US08830984B2
公开(公告)日：2014-09-09
申请号：US13437719
申请日：2012-04-02
申请人： Anand G. Dabak , Eko N. Onggosanusi , Badri Varadarajan
发明人： Anand G. Dabak , Eko N. Onggosanusi , Badri Varadarajan
IPC分类号： H04J3/06 , H04K1/04 , H04L9/12 , H04B7/26 , H04W56/00 , H04J11/00
CPC分类号： H04W56/001 , H04B7/2681 , H04J11/0069 , H04J2011/0096 , H04L9/12 , H04L2209/80 , H04W36/0016 , H04W56/0015
摘要： Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter includes a synchronization unit configured to provide a primary synchronization signal and a secondary synchronization signal having first and second segments. The transmitter also includes a secondary scrambling unit configured to provide a scrambled secondary synchronization signal, wherein scrambling agents for the first and second segments are derived from a primary synchronization sequence of the primary synchronization signal. The secondary scrambling unit is further configured to provide an additional scrambling of one of the first and second segments, wherein a second scrambling agent is derived from the remaining segment of a secondary synchronization sequence of the secondary synchronization signal. The transmitter further includes a transmit unit configured to transmit the primary synchronization signal and the scrambled secondary synchronization signal.
摘要翻译：本公开的实施例提供发射机，接收机和操作发射机和接收机的方法。在一个实施例中，发射机包括配置成提供主同步信号和具有第一和第二段的辅同步信号的同步单元。发射机还包括辅助加扰单元，其被配置为提供加扰的次同步信号，其中第一和第二段的加扰代码从主同步信号的主同步序列导出。次加扰单元还被配置为提供第一和第二段中的一个的附加加扰，其中从副同步信号的辅同步序列的剩余段导出第二加扰代码。发射机还包括被配置为发送主同步信号和加扰的次同步信号的发射单元。

10. 发明申请

US20090310782A1 MAPPING SCHEMES FOR SECONDARY SYNCHRONIZATION SIGNAL SCRAMBLING 有权
标题翻译：二次同步信号扫描的映射方案
公开(公告)号：US20090310782A1
公开(公告)日：2009-12-17
申请号：US12140789
申请日：2008-06-17
申请人： Anand G. Dabak , Eko N. Onggosanusi , Badri Varadarajan
发明人： Anand G. Dabak , Eko N. Onggosanusi , Badri Varadarajan
IPC分类号： H04L9/00
CPC分类号： H04W56/001 , H04B7/2681 , H04J11/0069 , H04J2011/0096 , H04L9/12 , H04L2209/80 , H04W36/0016 , H04W56/0015
摘要： Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter includes a synchronization unit configured to provide a primary synchronization signal and a secondary synchronization signal having first and second segments. The transmitter also includes a secondary scrambling unit configured to provide a scrambled secondary synchronization signal, wherein scrambling agents for the first and second segments are derived from a primary synchronization sequence of the primary synchronization signal. The secondary scrambling unit is further configured to provide an additional scrambling of one of the first and second segments, wherein a second scrambling agent is derived from the remaining segment of a secondary synchronization sequence of the secondary synchronization signal. The transmitter further includes a transmit unit configured to transmit the primary synchronization signal and the scrambled secondary synchronization signal.
摘要翻译：本公开的实施例提供发射机，接收机和操作发射机和接收机的方法。在一个实施例中，发射机包括配置成提供主同步信号和具有第一和第二段的辅同步信号的同步单元。发射机还包括辅助加扰单元，其被配置为提供加扰的次同步信号，其中第一和第二段的加扰代码从主同步信号的主同步序列导出。次加扰单元还被配置为提供第一和第二段中的一个的附加加扰，其中从副同步信号的辅同步序列的剩余段导出第二加扰代码。发射机还包括被配置为发送主同步信号和加扰的次同步信号的发射单元。

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