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11. 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。

12. 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。

13. 发明申请

US20120282936A1 Methods of PDCCH Capacity Enhancement in LTE Systems 审中-公开
标题翻译： LTE系统中PDCCH容量增强的方法
公开(公告)号：US20120282936A1
公开(公告)日：2012-11-08
申请号：US13169856
申请日：2011-06-27
申请人： Shiwei Gao , Hua Xu , Dongsheng Yu , Shiguang Guo
发明人： Shiwei Gao , Hua Xu , Dongsheng Yu , Shiguang Guo
IPC分类号： H04W72/12
CPC分类号： H04L5/0053 , H04L5/0023 , H04L5/0048 , H04L25/03866 , H04L25/03891
摘要： A method is provided for transmitting data scheduling information from at least one transmission point in a cell in a wireless telecommunication system. The method comprises, in a procedure for generating a PDCCH, the at least one transmission point inserting a DMRS into at least one resource element in at least one REG in at least one CCE that contains the PDCCH, wherein the PDCCH is intended only for at least one specific UE.
摘要翻译：提供一种用于从无线电信系统中的小区中的至少一个传输点发送数据调度信息的方法。该方法包括在用于生成PDCCH的过程中至少一个传输点将DMRS插入到至少一个包含PDCCH的CCE中的至少一个REG中的至少一个资源元素中，其中，PDCCH仅用于至少一个特定的UE。

14. 发明授权

US08965443B2 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：US08965443B2
公开(公告)日：2015-02-24
申请号：US13208723
申请日：2011-08-12
申请人： Shiwei Gao , Hua Xu , Dongsheng Yu , Yongkang Jia , Masoud Ebrahimi Tazeh Mahalleh , Tarik Tabet , Youn Hyoung Heo , Zhijun Cai
发明人： Shiwei Gao , Hua Xu , Dongsheng Yu , Yongkang Jia , Masoud Ebrahimi Tazeh Mahalleh , Tarik Tabet , Youn Hyoung Heo , Zhijun Cai
IPC分类号： H04B7/00 , H04W52/24 , H04W74/00 , H04W48/20 , H04W52/14 , H04W84/04 , H04W52/50
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 at a user equipment operating in a wireless network having a plurality of transmission points 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 finding, at the user equipment, at least one reference transmission point, the finding utilizing at least one of a calculation at the user equipment and a message from a network element; and performing, by the user equipment, uplink power control based on the at least one reference transmission.
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。一方面，在具有多个传输点的无线网络中操作的用户设备的方法，所述多个传输点包括宏演进节点B（'eNB'）和至少一个低功率节点（'LPN'），所述至少一个低功率节点（'LPN'）具有低于该传输功率的传输功率。所述方法在所述用户设备处发现至少一个参考传输点，所述发现利用所述用户设备的计算和来自网络元件的消息中的至少一个; 以及由所述用户设备执行基于所述至少一个参考传输的上行链路功率控制。

15. 发明授权

US09025574B2 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system 有权
标题翻译：协调多点无线通信系统中信道状态信息反馈和传输方法
公开(公告)号：US09025574B2
公开(公告)日：2015-05-05
申请号：US13545632
申请日：2012-07-10
申请人： Masoud Ebrahimi Tazeh Mahalleh , Shiwei Gao , Yongkang Jia , Tarik Tabet , Hua Xu
发明人： Masoud Ebrahimi Tazeh Mahalleh , Shiwei Gao , Yongkang Jia , Tarik Tabet , Hua Xu
IPC分类号： H04W72/04 , H04J3/00 , H04W4/00 , H04B7/02 , H04L1/00 , H04L5/00 , H04L25/03 , H04L1/06 , H04B7/06
CPC分类号： H04B7/024 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/0669 , H04L1/0013 , H04L1/0031 , H04L1/0668 , H04L5/0035 , H04L5/0048 , H04L5/0057 , H04L5/0091 , H04L25/03955 , H04W4/00
摘要： An apparatus and method for feedback solutions that function in conjunction with CoMP transmissions. The feedback solutions are applicable to joint transmission (JT) as well as coordinated scheduling (CS) and coordinated beamforming (CB). Embodiments of the present disclosure are described herein in the context of a wireless network in compliance with LTE standards.
摘要翻译：用于与CoMP传输相结合的反馈解决方案的装置和方法。反馈解决方案适用于联合传输（JT）以及协调调度（CS）和协调波束成形（CB）。本公开的实施例在符合LTE标准的无线网络的上下文中被描述。

16. 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。

17. 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。

18. 发明申请

US20130194908A1 Method of Resource Allocation and Signaling for Aperiodic Channel Sounding 审中-公开
标题翻译：资源分配和非周期通道探测信号的方法
公开(公告)号：US20130194908A1
公开(公告)日：2013-08-01
申请号：US13814848
申请日：2010-08-13
申请人： Shiwei Gao , Robert Mark Harrison , Zhijun Cai , Yongkang Jia , Hua Xu , Jack Anthony Smith , James Earl Womack
发明人： Shiwei Gao , Robert Mark Harrison , Zhijun Cai , Yongkang Jia , Hua Xu , Jack Anthony Smith , James Earl Womack
IPC分类号： H04W72/04
CPC分类号： H04W72/0406 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L5/0091
摘要： A method for resource allocation. The method includes signaling a set of SRS subframes in which an SRS can be transmitted, wherein a UE not capable of aperiodic SRS transmission can be instructed to transmit periodic SRS in any of the SRS subframes. The method further includes signaling which of the SRS subframes are to be used for periodic SRS transmissions and which are to be used for aperiodic SRS transmissions, wherein a periodic SRS transmission is an SRS transmission that is transmitted by a UE in a first subframe, the first subframe being determined at least by the subframe in which the UE transmitted a previous SRS and an SRS periodicity, and wherein an aperiodic SRS transmission is an SRS transmission that is transmitted by a UE in a second subframe, the second subframe being determined at least by a transmission on a physical control channel to the UE.
摘要翻译：资源分配方法。该方法包括发送一组可以发送SRS的SRS子帧的集合，其中可以指示不能进行非周期性SRS传输的UE能够在任何一个SRS子帧中发送周期性SRS。该方法进一步包括：将SRS子帧中的哪一个用于周期性SRS传输，哪些用于非周期性SRS传输，其中周期性SRS传输是在第一子帧中由UE传输的SRS传输，第一子帧至少由UE发送先前SRS的子帧和SRS周期确定，并且其中非周期性SRS传输是由UE在第二子帧中发送的SRS传输，第二子帧至少被确定通过物理控制信道上的传输到UE。

19. 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。

20. 发明申请

US20130235812A1 Enhanced PHICH Transmission for LTE-Advanced 有权
标题翻译： LTE-Advanced增强型PHICH传输
公开(公告)号：US20130235812A1
公开(公告)日：2013-09-12
申请号：US13545525
申请日：2012-07-10
申请人： Youn Hyoung Heo , Shiwei Gao , Hua Xu , Yufei Wu Blankenship , Yongkang Jia
发明人： Youn Hyoung Heo , Shiwei Gao , Hua Xu , Yufei Wu Blankenship , Yongkang Jia
IPC分类号： H04W72/04
CPC分类号： H04L5/0053 , H04L1/0038 , H04L1/1829 , H04L1/1858 , H04L1/1861 , H04L5/001 , H04L5/0023 , H04L5/0035 , H04L5/0037 , H04L5/0094
摘要： A method is provided for communication in a wireless telecommunication system. The method comprises generating a sequence of signals of an enhanced physical HARQ (hybrid automatic repeat request) indicator channel (E-PHICH). The method further comprises mapping the sequence of signals of the E-PHICH to a first set of resource elements, wherein the first set of resource elements is multiplexed with a second set of resource elements over a set of virtual resource blocks, and wherein the second set of resource elements carries at least one of an enhanced physical downlink control channel (E-PDCCH) and a physical downlink shared channel (PDSCH).
摘要翻译：提供了一种用于无线电信系统中的通信的方法。该方法包括生成增强物理HARQ（混合自动重传请求）指示符信道（E-PHICH）的信号序列。该方法还包括将E-PHICH的信号序列映射到第一组资源元素，其中第一组资源元素与第一组资源元素在一组虚拟资源块上多路复用，并且其中第二组一组资源元素携带增强物理下行链路控制信道（E-PDCCH）和物理下行链路共享信道（PDSCH）中的至少一个。

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