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公开(公告)号：US08755453B2
公开(公告)日：2014-06-17
申请号：US12326878
申请日：2008-12-02
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。
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2.发明授权公开(公告)号：US09565001B2
公开(公告)日：2017-02-07
申请号：US12129932
申请日：2008-05-30
CPC分类号： H04L5/0048 , H04J11/0069 , H04L5/0007 , H04L5/0023 , H04L5/0053 , H04L5/0092 , H04L27/2613 , H04L27/2626 , H04L27/2655 , H04L27/2657 , H04L27/2675
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 is for use with a base station in a cellular communication system and includes a partitioning unit configured to provide first and second groups of guard subcarriers that partition a synchronization portion from data portions in a downlink synchronization signal. The transmitter also includes a transmit unit configured to transmit the downlink synchronization signal. Additionally, the receiver is for use with user equipment in a cellular communication system and includes a receive unit configured to receive a downlink synchronization signal. The receiver also includes a processing unit configured to provide a synchronization portion based on employing first and second groups of guard subcarriers that partition the synchronization portion from data portions of the downlink 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，发射机用于蜂窝通信系统中的基站，并且包括分配单元，其被配置为提供在下行链路同步信号中从数据部分划分同步部分的第一组和第二组保护子载波。 发射机还包括被配置为发送下行链路同步信号的发射单元。 此外，接收机用于蜂窝通信系统中的用户设备，并且包括被配置为接收下行链路同步信号的接收单元。 接收机还包括一个处理单元，该处理单元被配置为基于使用从下行链路同步信号的数据部分划分同步部分的第一和第二组保护子载波来提供同步部分。
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3.发明申请GUARD SUBCARRIER PLACEMENT IN AN OFDM SYMBOL USED FOR SYNCHRONIZATION 有权用于同步的OFDM符号中的GUARD SUBCARRIER放置公开(公告)号：US20080298326A1
公开(公告)日：2008-12-04
申请号：US12129932
申请日：2008-05-30
IPC分类号： H04J3/06
CPC分类号： H04L5/0048 , H04J11/0069 , H04L5/0007 , H04L5/0023 , H04L5/0053 , H04L5/0092 , H04L27/2613 , H04L27/2626 , H04L27/2655 , H04L27/2657 , H04L27/2675
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 is for use with a base station in a cellular communication system and includes a partitioning unit configured to provide first and second groups of guard subcarriers that partition a synchronization portion from data portions in a downlink synchronization signal. The transmitter also includes a transmit unit configured to transmit the downlink synchronization signal. Additionally, the receiver is for use with user equipment in a cellular communication system and includes a receive unit configured to receive a downlink synchronization signal. The receiver also includes a processing unit configured to provide a synchronization portion based on employing first and second groups of guard subcarriers that partition the synchronization portion from data portions of the downlink 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，发射机用于蜂窝通信系统中的基站，并且包括分配单元，其被配置为提供在下行链路同步信号中从数据部分划分同步部分的第一组和第二组保护子载波。 发射机还包括被配置为发送下行链路同步信号的发射单元。 此外，接收机用于蜂窝通信系统中的用户设备，并且包括被配置为接收下行链路同步信号的接收单元。 接收机还包括一个处理单元，该处理单元被配置为基于使用从下行链路同步信号的数据部分划分同步部分的第一和第二组保护子载波来提供同步部分。
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公开(公告)号：US20100067604A1
公开(公告)日：2010-03-18
申请号：US12561990
申请日：2009-09-17
申请人： Sandeep Bhadra , Ramanuja Vedantham , Shantanu Kangude , Eko N. Onggosanusi , Anand G. Dabak , Badri N. Varadarajan , Runhua Chen , Tarkesh Pande
发明人： Sandeep Bhadra , Ramanuja Vedantham , Shantanu Kangude , Eko N. Onggosanusi , Anand G. Dabak , Badri N. Varadarajan , Runhua Chen , Tarkesh Pande
IPC分类号： H04B7/02
CPC分类号： H04B7/024
摘要： A coordinated multipoint transmitter is for use with a multiple antenna super-cell and includes primary and secondary base stations jointly connected via an X2 interface link, wherein the primary base station provides a transmission directive corresponding to an X2 interface protocol over the X2 interface link to the secondary base station for a joint transmission from the primary and secondary base stations.
摘要翻译： 协调的多点发射机用于多天线超小区，并且包括通过X2接口链路共同连接的主基站和次基站，其中主基站通过X2接口链路提供对应于X2接口协议的传输指令， 用于从一级和二级基站的联合传输的二级基站。
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公开(公告)号：US10044532B2
公开(公告)日：2018-08-07
申请号：US11688756
申请日：2007-03-20
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.
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公开(公告)号：US08830984B2
公开(公告)日：2014-09-09
申请号：US13437719
申请日：2012-04-02
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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公开(公告)号：US20090310782A1
公开(公告)日：2009-12-17
申请号：US12140789
申请日：2008-06-17
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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公开(公告)号：US20070217540A1
公开(公告)日：2007-09-20
申请号：US11688756
申请日：2007-03-20
IPC分类号： H04L1/02
CPC分类号： H04L25/03343 , H04B7/0417 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04L1/0003 , H04L1/0009 , H04L1/0025 , H04L1/0026 , H04L1/0631 , H04L5/0023 , H04L5/0053 , H04L5/0057 , H04L25/0204 , H04L27/2626 , H04L27/2647 , H04L2025/03802
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.
摘要翻译： 本发明提供一种接收机。 在一个实施例中，接收机包括采用来自具有多个天线的发射机的传输信号并且能够提供信道估计的接收部分。 接收机还包括反馈发生器部分，其被配置为向发射机提供基于信道估计的数据传输的预编码器选择，其中预编码器选择对应于频域资源块的分组。 本发明还提供一种具有多个天线的发射机。 在一个实施例中，发射机包括耦合到多个天线的发射部分，并且能够将预编码应用于接收机的数据传输。 发射机还包括反馈解码部分，其被配置为解码从接收机反馈的数据传输的预编码器选择，其中预编码器选择对应于频域资源块的分组。
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公开(公告)号：US09225397B2
公开(公告)日：2015-12-29
申请号：US12170319
申请日：2008-07-09
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。
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公开(公告)号：US20120189126A1
公开(公告)日：2012-07-26
申请号：US13437719
申请日：2012-04-02
IPC分类号： H04K1/04
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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