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1. 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。

2. 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。

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。

5. 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。

6. 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。

7. 发明申请

US20130064216A1 DMRS Association and Signaling for Enhanced PDCCH in LTE Systems 审中-公开
标题翻译： DMRS关联和LTE系统中增强型PDCCH的信令
公开(公告)号：US20130064216A1
公开(公告)日：2013-03-14
申请号：US13610464
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 a UE in a wireless communication network. The method comprises sending, by the UE, an ACK/NACK message after receiving data on a PDSCH scheduled by an E-PDCCH, wherein the sending is from at least one antenna port and uses at least one physical resource, and wherein the at least one physical resource is determined based at least partially on a resource over which the E-PDCCH is received, and wherein the resource over which the E-PDCCH is received consists of at least one eCCE.
摘要翻译：提供了一种用于在无线通信网络中操作UE的方法。该方法包括：在由E-PDCCH调度的PDSCH上接收数据之后，由UE发送ACK / NACK消息，其中发送来自至少一个天线端口并使用至少一个物理资源，并且其中至少至少部分地基于接收到E-PDCCH的资源来确定一个物理资源，并且其中接收E-PDCCH的资源由至少一个eCCE组成。

8. 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。

9. 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。

10. 发明授权

US09107173B2 Method and system for access and uplink power control for a wireless system having multiple transmit points 有权
标题翻译：用于具有多个发射点的无线系统的接入和上行链路功率控制的方法和系统
公开(公告)号：US09107173B2
公开(公告)日：2015-08-11
申请号：US13208659
申请日：2011-08-12
申请人： Shiwei Gao , Hua Xu , Shiguang Guo , Dongsheng Yu , Yongkang Jia , Masoud Ebrahimi Tazeh Mahalleh , Tarik Tabet , Youn Hyoung Heo , Zhijun Cai
发明人： Shiwei Gao , Hua Xu , Shiguang Guo , Dongsheng Yu , Yongkang Jia , Masoud Ebrahimi Tazeh Mahalleh , Tarik Tabet , Youn Hyoung Heo , Zhijun Cai
IPC分类号： H04W52/24 , H04W74/08 , H04W74/00 , H04W48/20 , H04W52/14 , H04W84/04 , H04W52/50 , H04W52/40
CPC分类号： H04W52/244 , H04W48/20 , H04W52/146 , H04W52/242 , H04W52/40 , H04W52/50 , H04W74/004 , H04W74/0833 , H04W84/045
摘要： A method and system for access and uplink power control for a wireless system having multiple transmit points. In one aspect a method operating in a wireless network having a plurality of transmission points (TP) including a macro evolved Node B (eNB) and at least one low power node (LPN) having transmit power lower than that of the macro eNB, the method detecting, by the user equipment, a transmission point having a lowest path loss to the user equipment; and transmitting, by the user equipment, a physical random access channel (PRACH) preamble on a PRACH directed to the transmission points having the lowest path losses.
摘要翻译：一种用于具有多个发射点的无线系统的接入和上行链路功率控制的方法和系统。在一个方面，一种在具有包括宏演进节点B（eNB）和发射功率低于宏eNB的发射功率的至少一个低功率节点（LPN）的多个传输点（TP）的无线网络中运行的方法，由所述用户设备向所述用户设备检测具有最低路径损耗的传输点; 并且由用户设备在针对具有最低路径损耗的传输点的PRACH上发送物理随机接入信道（PRACH）前导码。

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