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1. 发明授权

US08406332B2 Downlink transmission in a multiple-user multiple-input multiple-output (“MU-MIMO”) wireless communication system 有权
标题翻译：多用户多输入多输出（MU-MIMO）无线通信系统中的下行链路传输
公开(公告)号：US08406332B2
公开(公告)日：2013-03-26
申请号：US12689223
申请日：2010-01-18
申请人： Alireza Bayesteh , Amin Mobasher , Hua Xu , Yongkang Jia , Yi Yu , Jack Anthony Smith , Zhijun Sam Cai , Shiwei Gao
发明人： Alireza Bayesteh , Amin Mobasher , Hua Xu , Yongkang Jia , Yi Yu , Jack Anthony Smith , Zhijun Sam Cai , Shiwei Gao
IPC分类号： H04B7/02
CPC分类号： H04B7/0632 , H04B7/0417 , H04B7/0452 , H04B7/0639 , H04B7/0641
摘要： Information transmission in a multiple-input multiple-output (“MIMO”) wireless communication system is provided. In one embodiment, a method for transmitting information in a MIMO wireless communication system, comprising updating channel quality information (“CQI”) values of a plurality of wireless devices, wherein updating said CQI values consider the effects of interference from transmissions to those wireless devices associated with a pre-assigned companion codeword set; pairing said plurality of wireless devices using at least said CQI values, a precoding matrix index (“PMI”) value and said pre-assigned companion codeword set, wherein said pre-assigned companion codeword set, pre-assigned companion codewords associated with said pre-assigned companion codeword set and said PMI value are updated for each of said plurality of wireless devices; precoding the information for each of said plurality of wireless devices using said PMI value; and transmitting said precoded information to each of said plurality of wireless devices.
摘要翻译：提供了一种多输入多输出（MIMO）无线通信系统中的信息传输。在一个实施例中，一种用于在MIMO无线通信系统中发送信息的方法，包括更新多个无线设备的信道质量信息（CQI）值，其中更新所述CQI值考虑来自传输的干扰对那些与预分配的伴随码字集合; 使用至少所述CQI值，预编码矩阵索引（PMI）值和所述预分配伴随码字集合来配对所述多个无线设备，其中所述预分配伴随码字集合，与所述预分配的相关联的预分配伴随码字对于所述多个无线设备中的每一个更新伴随码字集合和所述PMI值; 使用所述PMI值对所述多个无线设备中的每一个预先编码信息; 以及将所述预编码信息发送到所述多个无线设备中的每一个。

2. 发明申请

US20110176629A1 DOWNLINK TRANSMISSION IN A MULTIPLE-USER MULTIPLE-INPUT MULTIPLE-OUTPUT ("MU-MIMO") WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：多用户多输入多输出（“MU-MIMO”）无线通信系统中的下行链路传输
公开(公告)号：US20110176629A1
公开(公告)日：2011-07-21
申请号：US12689223
申请日：2010-01-18
申请人： Alireza Bayesteh , Amin Mobasher , Hua Xu , Yongkang Jia , Yi Yu , Jack Anthony Smith , Zhijun Sam Cai , Shiwei Gao
发明人： Alireza Bayesteh , Amin Mobasher , Hua Xu , Yongkang Jia , Yi Yu , Jack Anthony Smith , Zhijun Sam Cai , Shiwei Gao
IPC分类号： H04B7/02 , H04L27/00
CPC分类号： H04B7/0632 , H04B7/0417 , H04B7/0452 , H04B7/0639 , H04B7/0641
摘要： Information transmission in a multiple-input multiple-output (“MIMO”) wireless communication system is provided. In one embodiment, a method for transmitting information in a MIMO wireless communication system, comprising updating channel quality information (“CQI”) values of a plurality of wireless devices, wherein updating said CQI values consider the effects of interference from transmissions to those wireless devices associated with a pre-assigned companion codeword set; pairing said plurality of wireless devices using at least said CQI values, a precoding matrix index (“PMI”) value and said pre-assigned companion codeword set, wherein said pre-assigned companion codeword set, pre-assigned companion codewords associated with said pre-assigned companion codeword set and said PMI value are updated for each of said plurality of wireless devices; precoding the information for each of said plurality of wireless devices using said PMI value; and transmitting said precoded information to each of said plurality of wireless devices.
摘要翻译：提供了多输入多输出（“MIMO”）无线通信系统中的信息传输。在一个实施例中，一种用于在MIMO无线通信系统中发送信息的方法，包括更新多个无线设备的信道质量信息（“CQI”）值，其中更新所述CQI值考虑来自传输到那些无线设备的干扰的影响与预分配的伴随码字集相关联; 使用至少所述CQI值，预编码矩阵索引（“PMI”）值和所述预分配协同码字集合来配对所述多个无线设备，其中所述预分配伴随码字集合，与所述预先分配的伴随码字集相关联的预先分配的伴随码字为所述多个无线设备中的每一个更新所分配的伴随码字集合和所述PMI值; 使用所述PMI值对所述多个无线设备中的每一个预先编码信息; 以及将所述预编码信息发送到所述多个无线设备中的每一个。

3. 发明授权

US08644422B2 Low overhead PMI and CQI feedback and pairing schemes for MU-MIMO 失效
标题翻译：用于MU-MIMO的低开销PMI和CQI反馈和配对方案
公开(公告)号：US08644422B2
公开(公告)日：2014-02-04
申请号：US12705482
申请日：2010-02-12
申请人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher , Alireza Bayesteh , Zhijun Cai
发明人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher , Alireza Bayesteh , Zhijun Cai
IPC分类号： H03K9/00 , H04L27/06
CPC分类号： H04L25/03343 , H04B7/0452 , H04B7/0465 , H04B7/0478 , H04B7/0632 , H04B7/0639 , H04B7/0641 , H04B7/0658 , H04L1/0026 , H04L1/0029 , H04L1/0031 , H04L2025/03426 , H04L2025/03605 , H04L2025/03808 , H04W24/00 , H04W72/00
摘要： A method is provided for searching for a pairing PMI including estimating a MIMO wireless propagation channel from an access point transmitter to a receiver at a UE; quantizing the estimated channel with a codebook consisting of a plurality of codewords, the result being an actual SU-MIMO PMI currently applicable to the UE; estimating the channel quality corresponding to the actual SU-MIMO PMI, resulting in at least one CQI for the UE; constructing a plurality of subsets from a codebook of codewords, wherein each subset comprises potential MU-MIMO PMIs that represent channels that have reduced interference with a channel represented by one of the potential SU-MIMO PMIs; associating each potential SU-MIMO PMI with the subset that comprises the potential MU-MIMO PMIs that represent channels that have reduced interference with the channel represented by that potential SU-MIMO PMI; searching for an appropriate pairing PMI and the associated CQI for the UE.
摘要翻译：提供了一种用于搜索配对PMI的方法，包括：估计来自接入点发射机的MIMO无线传播信道到UE处的接收机; 使用由多个码字组成的码本量化估计信道，其结果是当前适用于UE的实际SU-MIMO PMI; 估计与实际SU-MIMO PMI相对应的信道质量，从而产生用于UE的至少一个CQI; 从代码字的码本构建多个子集，其中每个子集包括潜在的MU-MIMO PMI，其表示对由潜在的SU-MIMO PMI之一表示的信道具有减小的干扰的信道; 将每个潜在的SU-MIMO PMI与包含潜在的MU-MIMO PMI的子集相关联，所述潜在MU-MIMO PMI表示与由该潜在SU-MIMO PMI表示的信道具有减小的干扰的信道; 搜索用于UE的适当配对PMI和相关联的CQI。

4. 发明申请

US20110200131A1 Low Overhead PMI and CQI Feedback and Pairing Schemes for MU-MIMO 失效
标题翻译：用于MU-MIMO的低开销PMI和CQI反馈和配对方案
公开(公告)号：US20110200131A1
公开(公告)日：2011-08-18
申请号：US12705482
申请日：2010-02-12
申请人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher , Alireza Bayesteh , Zhijun Cai
发明人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher , Alireza Bayesteh , Zhijun Cai
IPC分类号： H04B7/02
CPC分类号： H04L25/03343 , H04B7/0452 , H04B7/0465 , H04B7/0478 , H04B7/0632 , H04B7/0639 , H04B7/0641 , H04B7/0658 , H04L1/0026 , H04L1/0029 , H04L1/0031 , H04L2025/03426 , H04L2025/03605 , H04L2025/03808 , H04W24/00 , H04W72/00
摘要： A method is provided for searching for a pairing PMI including estimating a MIMO wireless propagation channel from an access point transmitter to a receiver at a UE; quantizing the estimated channel with a codebook consisting of a plurality of codewords, the result being an actual SU-MIMO PMI currently applicable to the UE; estimating the channel quality corresponding to the actual SU-MIMO PMI, resulting in at least one CQI for the UE; constructing a plurality of subsets from a codebook of codewords, wherein each subset comprises potential MU-MIMO PMIs that represent channels that have reduced interference with a channel represented by one of the potential SU-MIMO PMIs; associating each potential SU-MIMO PMI with the subset that comprises the potential MU-MIMO PMIs that represent channels that have reduced interference with the channel represented by that potential SU-MIMO PMI; searching for an appropriate pairing PMI and the associated CQI for the UE.
摘要翻译：提供了一种用于搜索配对PMI的方法，包括：估计来自接入点发射机的MIMO无线传播信道到UE处的接收机; 使用由多个码字组成的码本量化估计信道，其结果是当前适用于UE的实际SU-MIMO PMI; 估计与实际SU-MIMO PMI相对应的信道质量，从而产生用于UE的至少一个CQI; 从代码字的码本构建多个子集，其中每个子集包括潜在的MU-MIMO PMI，其表示对由潜在的SU-MIMO PMI之一表示的信道具有减小的干扰的信道; 将每个潜在的SU-MIMO PMI与包含潜在的MU-MIMO PMI的子集相关联，所述潜在MU-MIMO PMI表示与由该潜在SU-MIMO PMI表示的信道具有减小的干扰的信道; 搜索用于UE的适当配对PMI和相关联的CQI。

5. 发明申请

US20130064215A1 Enhanced PDCCH with Transmit Diversity in LTE Systems 有权
标题翻译： LTE系统中具有发射分集的增强型PDCCH
公开(公告)号：US20130064215A1
公开(公告)日：2013-03-14
申请号：US13610396
申请日：2012-09-11
申请人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
发明人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
IPC分类号： H04W72/04
CPC分类号： H04W72/04 , H04B7/024 , H04B7/0417 , H04B7/0606 , H04L1/1861 , H04L5/0016 , H04L5/0023 , H04L5/0026 , H04L5/0035 , H04L5/0048 , H04L5/0051 , H04L5/0053 , H04L5/0055 , H04L5/0094 , H04W16/10 , H04W48/12 , H04W72/12
摘要： A method is provided for communication in a wireless telecommunications network. The method comprises transmitting an extended physical downlink control channel to a user equipment using transmit diversity from at least one demodulation reference signal port.
摘要翻译：提供了一种用于在无线电信网络中进行通信的方法。该方法包括使用来自至少一个解调参考信号端口的发射分集向用户设备发送扩展物理下行链路控制信道。

6. 发明申请

US20130064196A1 Searching Space and Operation for Enhanced PDCCH in LTE Systems 有权
标题翻译：搜索空间和LTE系统中增强型PDCCH的操作
公开(公告)号：US20130064196A1
公开(公告)日：2013-03-14
申请号：US13610434
申请日：2012-09-11
申请人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
发明人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
IPC分类号： H04W72/04
CPC分类号： H04W72/04 , H04B7/024 , H04B7/0417 , H04B7/0606 , H04L1/1861 , H04L5/0016 , H04L5/0023 , H04L5/0026 , H04L5/0035 , H04L5/0048 , H04L5/0051 , H04L5/0053 , H04L5/0055 , H04L5/0094 , H04W16/10 , H04W48/12 , H04W72/12
摘要： A method is provided for operating an eNB in a wireless communication network. The method comprises allocating, by the eNB, one or more resource units within one or more physical resource block pairs to a user equipment for transmitting enhanced control information.
摘要翻译：提供了一种在无线通信网络中操作eNB的方法。该方法包括由eNB将一个或多个物理资源块对内的一个或多个资源单元分配给用于发送增强控制信息的用户设备。

7. 发明授权

US09084238B2 Searching space and operation for enhanced PDCCH in LTE systems 有权
标题翻译：在LTE系统中搜索增强型PDCCH的空间和操作
公开(公告)号：US09084238B2
公开(公告)日：2015-07-14
申请号：US13610434
申请日：2012-09-11
申请人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
发明人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
IPC分类号： H04W4/00 , H04W72/04 , H04L5/00 , H04L1/18 , H04W16/10 , H04W72/12 , H04W48/12
CPC分类号： H04W72/04 , H04B7/024 , H04B7/0417 , H04B7/0606 , H04L1/1861 , H04L5/0016 , H04L5/0023 , H04L5/0026 , H04L5/0035 , H04L5/0048 , H04L5/0051 , H04L5/0053 , H04L5/0055 , H04L5/0094 , H04W16/10 , H04W48/12 , H04W72/12
摘要： A method is provided for operating an eNB in a wireless communication network. The method comprises allocating, by the eNB, one or more resource units within one or more physical resource block pairs to a user equipment for transmitting enhanced control information.
摘要翻译：提供了一种在无线通信网络中操作eNB的方法。该方法包括由eNB将一个或多个物理资源块对内的一个或多个资源单元分配给用于发送增强控制信息的用户设备。

8. 发明申请

US20110200081A1 System And Method For Channel Status Information Feedback In A Wireless Communications System That Utilizes Multiple-Input Multiple-Output (MIMO) Transmission 失效
标题翻译：利用多输入多输出（MIMO）传输的无线通信系统中的信道状态信息反馈的系统和方法
公开(公告)号：US20110200081A1
公开(公告)日：2011-08-18
申请号：US12707223
申请日：2010-02-17
申请人： Shiguang Guo , Hua Xu , Yongkang Jia , Dongsheng Yu , Alireza Bayesteh , Shiwei Gao
发明人： Shiguang Guo , Hua Xu , Yongkang Jia , Dongsheng Yu , Alireza Bayesteh , Shiwei Gao
IPC分类号： H04W24/00 , H04B7/02
CPC分类号： H04B7/0417 , H04B7/024 , H04B7/0452 , H04B7/0639 , H04B7/065 , H04B7/0663
摘要： A method for user equipment operation in a wireless communication system, the wireless communication system having an base station, the method comprising measuring a channel between the UE and the base station, determining a quantized estimate using a codebook to approximate the measured channel, computing an error measure for the quantized estimate and transmitting the error measure and the quantized estimate to the base station for use by the base station in reconstructing an actual channel vector.
摘要翻译：一种用于在无线通信系统中进行用户设备操作的方法，所述无线通信系统具有基站，所述方法包括测量所述UE与所述基站之间的信道，使用码本来确定量化的估计以近似所述测量的信道，计算量化估计的误差测量，并将误差测量和量化估计发送到基站，以供基站在重构实际信道向量中使用。

9. 发明授权

US08665930B2 System and method for channel status information feedback in a wireless communications system that utilizes multiple-input multiple-output (MIMO) transmission 失效
标题翻译：在采用多输入多输出（MIMO）传输的无线通信系统中，用于信道状态信息反馈的系统和方法
公开(公告)号：US08665930B2
公开(公告)日：2014-03-04
申请号：US12707223
申请日：2010-02-17
申请人： Shiguang Guo , Hua Xu , Yongkang Jia , Dongsheng Yu , Alireza Bayesteh , Shiwei Gao
发明人： Shiguang Guo , Hua Xu , Yongkang Jia , Dongsheng Yu , Alireza Bayesteh , Shiwei Gao
IPC分类号： H04B1/38 , H04L27/06
CPC分类号： H04B7/0417 , H04B7/024 , H04B7/0452 , H04B7/0639 , H04B7/065 , H04B7/0663
摘要： A method for user equipment operation in a wireless communication system, the wireless communication system having an base station, the method comprising measuring a channel between the UE and the base station, determining a quantized estimate using a codebook to approximate the measured channel, computing an error measure for the quantized estimate and transmitting the error measure and the quantized estimate to the base station for use by the base station in reconstructing an actual channel vector.
摘要翻译：一种用于在无线通信系统中进行用户设备操作的方法，所述无线通信系统具有基站，所述方法包括测量所述UE与所述基站之间的信道，使用码本来确定量化的估计以近似所述测量的信道，计算量化估计的误差测量，并将误差测量和量化估计发送到基站，以供基站在重构实际信道向量中使用。

10. 发明授权

US08842628B2 Enhanced PDCCH with transmit diversity in LTE systems 有权
标题翻译： LTE系统中具有发射分集的增强型PDCCH
公开(公告)号：US08842628B2
公开(公告)日：2014-09-23
申请号：US13610396
申请日：2012-09-11
申请人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
发明人： Shiwei Gao , Hua Xu , Yongkang Jia , Amin Mobasher
IPC分类号： H04W72/04 , H04W48/12
CPC分类号： H04W72/04 , H04B7/024 , H04B7/0417 , H04B7/0606 , H04L1/1861 , H04L5/0016 , H04L5/0023 , H04L5/0026 , H04L5/0035 , H04L5/0048 , H04L5/0051 , H04L5/0053 , H04L5/0055 , H04L5/0094 , H04W16/10 , H04W48/12 , H04W72/12
摘要： A method is provided for communication in a wireless telecommunications network. The method comprises transmitting an extended physical downlink control channel to a user equipment using transmit diversity from at least one demodulation reference signal port.
摘要翻译：提供了一种用于在无线电信网络中进行通信的方法。该方法包括使用来自至少一个解调参考信号端口的发射分集向用户设备发送扩展物理下行链路控制信道。

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