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1. 发明授权

US08325592B2 Communication device, mobile station, and communication method 失效
标题翻译：通信设备，移动台和通信方式
公开(公告)号：US08325592B2
公开(公告)日：2012-12-04
申请号：US12161342
申请日：2007-01-11
申请人： Kenichi Higuchi , Mamoru Sawahashi , Zhengang Pan , Lan Chen , Jingxiu Liu
发明人： Kenichi Higuchi , Mamoru Sawahashi , Zhengang Pan , Lan Chen , Jingxiu Liu
IPC分类号： H04J11/00 , H04J1/00 , H04L27/28
CPC分类号： H04B7/0671 , H04B1/715 , H04L5/0023 , H04L5/003 , H04L5/0032 , H04L5/006 , H04L27/2646 , H04W72/06 , H04W72/085
摘要： A communication device for sending transmission signals for one or more mobile stations from multiple transmitting antennas is disclosed. The communication device includes a scheduling unit configured to allocate one or more frequency resource blocks each having a predetermined bandwidth and including one or more subcarriers preferentially to each selected one of the mobile stations that is in a good channel condition; one or more delay setting units provided between the scheduling unit and the transmitting antennas and configured to set delay values for one or more signal paths leading to the transmitting antennas; and a delay value updating unit configured to repeatedly update the delay values to be set by the delay setting units.
摘要翻译：公开了一种用于从多个发送天线发送一个或多个移动台的发送信号的通信装置。通信装置包括：调度单元，被配置为分配一个或多个频率资源块，每个频率资源块具有预定带宽并且优先包括一个或多个子载波到处于良好信道条件的每个所选移动站中的一个; 一个或多个延迟设置单元，设置在调度单元和发送天线之间，并被配置为设置通向发送天线的一个或多个信号路径的延迟值; 以及延迟值更新单元，被配置为重复地更新由所述延迟设置单元设置的延迟值。

2. 发明授权

US07974240B2 Cellular network based on relay station and space division duplex communication method 有权
标题翻译：基于中继站和空分双工通信方式的蜂窝网络
公开(公告)号：US07974240B2
公开(公告)日：2011-07-05
申请号：US11827178
申请日：2007-07-10
申请人： Jingxiu Liu , Zhengang Pan , Lan Chen
发明人： Jingxiu Liu , Zhengang Pan , Lan Chen
IPC分类号： H04B7/212
CPC分类号： H04W72/0406 , H04B7/15542 , H04B7/2606 , H04W16/26 , H04W76/20 , H04W84/047
摘要： A cellular network that is based on relay station and a space division duplex communication method are disclosed. The cellular network based on RS includes a base station, a RS and a UE, wherein the base station has at least one antenna and the RS has at least two antennas. The base station allocates resources for the UE, transmits a downlink signal in a current slot and receives an uplink signal from the UE through the RS in a next slot; the RS receives the downlink signal from the base station and the uplink signal from the UE in the current slot and transmits the received downlink signal to the UE and the uplink signal to the base station in the next slot; the UE transmits the uplink signal in the current slot and receives the downlink signal through the RS in the next slot, wherein the uplink signal and the downlink signal transmitted in the same slot are orthogonal. With the cellular network and the communication method of embodiments of the present invention, the use efficiency of each channel can be improved effectively and the system complexity can be reduced.
摘要翻译：公开了一种基于中继站的蜂窝网络和空分双工通信方法。基于RS的蜂窝网络包括基站，RS和UE，其中基站具有至少一个天线，RS具有至少两个天线。基站为UE分配资源，在当前时隙发送下行链路信号，并在下一个时隙通过RS接收来自UE的上行链路信号; RS从当前时隙接收来自基站的下行链路信号和来自UE的上行链路信号，并将接收到的下行链路信号发送给UE，并将上行链路信号发送到下一个时隙中的基站; UE在当前时隙中发送上行链路信号，并通过下一个时隙中的RS接收下行链路信号，其中在相同时隙中发送的上行链路信号和下行链路信号是正交的。利用本发明的实施例的蜂窝网络和通信方法，可以有效地提高每个信道的使用效率，并且可以降低系统的复杂度。

3. 发明申请

US20100054191A1 COMMUNICATION DEVICE, MOBILE STATION, AND COMMUNICATION METHOD 失效
标题翻译：通信设备，移动站和通信方法
公开(公告)号：US20100054191A1
公开(公告)日：2010-03-04
申请号：US12161342
申请日：2007-01-11
申请人： Kenichi Higuchi , Mamoru Sawahashi , Zhengang Pan , Lan Chen , Jingxiu Liu
发明人： Kenichi Higuchi , Mamoru Sawahashi , Zhengang Pan , Lan Chen , Jingxiu Liu
IPC分类号： H04W72/04
CPC分类号： H04B7/0671 , H04B1/715 , H04L5/0023 , H04L5/003 , H04L5/0032 , H04L5/006 , H04L27/2646 , H04W72/06 , H04W72/085
摘要： A communication device for sending transmission signals for one or more mobile stations from multiple transmitting antennas is disclosed. The communication device includes a scheduling unit configured to allocate one or more frequency resource blocks each having a predetermined bandwidth and including one or more subcarriers preferentially to each selected one of the mobile stations that is in a good channel condition; one or more delay setting units provided between the scheduling unit and the transmitting antennas and configured to set delay values for one or more signal paths leading to the transmitting antennas; and a delay value updating unit configured to repeatedly update the delay values to be set by the delay setting units.
摘要翻译：公开了一种用于从多个发送天线发送一个或多个移动台的发送信号的通信装置。通信装置包括：调度单元，被配置为分配一个或多个频率资源块，每个频率资源块具有预定带宽并且优先包括一个或多个子载波到处于良好信道条件的每个所选移动站中的一个; 一个或多个延迟设置单元，设置在调度单元和发送天线之间，并被配置为设置通向发送天线的一个或多个信号路径的延迟值; 以及延迟值更新单元，被配置为重复地更新由所述延迟设置单元设置的延迟值。

4. 发明申请

US20080013520A1 Cellular network based on relay station and space division duplex communication method 有权
标题翻译：基于中继站和空分双工通信方式的蜂窝网络
公开(公告)号：US20080013520A1
公开(公告)日：2008-01-17
申请号：US11827178
申请日：2007-07-10
申请人： Jingxiu Liu , Zhengang Pan , Lan Chen
发明人： Jingxiu Liu , Zhengang Pan , Lan Chen
IPC分类号： H04B7/212
CPC分类号： H04W72/0406 , H04B7/15542 , H04B7/2606 , H04W16/26 , H04W76/20 , H04W84/047
摘要： A cellular network that is based on relay station and a space division duplex communication method are disclosed. The cellular network based on RS includes a base station, a RS and a UE, wherein the base station has at least one antenna and the RS has at least two antennas. The base station allocates resources for the UE, transmits a downlink signal in a current slot and receives an uplink signal from the UE through the RS in a next slot; the RS receives the downlink signal from the base station and the uplink signal from the UE in the current slot and transmits the received downlink signal to the UE and the uplink signal to the base station in the next slot; the UE transmits the uplink signal in the current slot and receives the downlink signal through the RS in the next slot, wherein the uplink signal and the downlink signal transmitted in the same slot are orthogonal. With the cellular network and the communication method of embodiments of the present invention, the use efficiency of each channel can be improved effectively and the system complexity can be reduced.
摘要翻译：公开了一种基于中继站的蜂窝网络和空分双工通信方法。基于RS的蜂窝网络包括基站，RS和UE，其中基站具有至少一个天线，RS具有至少两个天线。基站为UE分配资源，在当前时隙发送下行链路信号，并在下一个时隙通过RS接收来自UE的上行链路信号; RS从当前时隙接收来自基站的下行链路信号和来自UE的上行链路信号，并将接收到的下行链路信号发送给UE，并将上行链路信号发送到下一个时隙中的基站; UE在当前时隙中发送上行链路信号，并通过下一个时隙中的RS接收下行链路信号，其中在相同时隙中发送的上行链路信号和下行链路信号是正交的。利用本发明的实施例的蜂窝网络和通信方法，可以有效地提高每个信道的使用效率，并且可以降低系统的复杂度。

5. 发明授权

US08249613B2 Method and apparatus of data processing in MIMO system 有权
标题翻译： MIMO系统中数据处理的方法和装置
公开(公告)号：US08249613B2
公开(公告)日：2012-08-21
申请号：US12187087
申请日：2008-08-06
申请人： Jingxiu Liu , Xiaoming She , Lan Chen , Hidekazu Taoka
发明人： Jingxiu Liu , Xiaoming She , Lan Chen , Hidekazu Taoka
IPC分类号： H04W72/00
CPC分类号： H04L25/03343 , H04B7/0417 , H04B7/0671 , H04L5/0023 , H04L2025/03426
摘要： A method of data processing includes the steps of: dividing user terminals into groups based on channel attributes and service requirements of the user terminals and setting a precoding code word and a cyclic delay for each of the groups; and determining which group a user terminal corresponding to the data to be processed belongs to and processing the data to be processed by the Cyclic Delay Diversity (CDD) precoding based on the precoding code word and the cyclic delay of the group. A data processing apparatus includes a grouping module and a CDD preceding module. By the method and apparatus above, the signal quality in the MIMO system can be improved.
摘要翻译：数据处理方法包括以下步骤：根据用户终端的信道属性和业务需求将用户终端划分成组，并为每个组设置预编码码字和循环延迟; 并且确定与要处理的数据相对应的用户终端属于哪个组，并且基于预编码码字和该组的循环延迟来处理由循环延迟分集（CDD）预编码处理的数据。数据处理装置包括分组模块和CDD在前模块。通过上述方法和装置，可以提高MIMO系统中的信号质量。

6. 发明申请

US20080095258A1 PRE-CODING METHOD FOR MIMO SYSTEM AND APPARATUS USING THE METHOD 有权
标题翻译：用于MIMO系统的预编码方法和使用该方法的装置
公开(公告)号：US20080095258A1
公开(公告)日：2008-04-24
申请号：US11875600
申请日：2007-10-19
申请人： Xiaoming She , Jingxiu Liu , Lan Chen , Kenichi Higuchi
发明人： Xiaoming She , Jingxiu Liu , Lan Chen , Kenichi Higuchi
IPC分类号： H04L27/28
CPC分类号： H04L25/03343 , H04B7/0639 , H04B7/066 , H04L1/0675
摘要： A pre-coding method for a MIMO system and an apparatus using the same are described. In the method, a receiver determines a corresponding codebook from a multi-codebook including multiple codebooks according to a location of a resource block, selects a corresponding codeword index from the determined codebook and transmits the index to a transmitter; the transmitter determines the corresponding codebook from the multi-codebook including multiple codebooks according to the location of the resource block where transmission data is to be transmitted, selects a corresponding codeword from the determined codebook according to the codeword index and performs pre-coding for the transmission data with the selected codeword. The pre-coding is performed with the multi-codebook in the present invention, which increases a diversity of pre-coding matrixes, so dynamic fluctuation range of a equivalent channel is improved and thus the performance of multi-user scheduling is enhanced effectively.
摘要翻译：对MIMO系统的预编码方法及使用该MIMO系统的装置进行说明。在该方法中，接收机根据资源块的位置从包括多个码本的多码本中确定相应的码本，从确定的码本中选择相应的码字索引，并将该索引发送给发射机; 发射机根据发送数据的资源块的位置根据码字索引从包含多个码本的多码本中确定相应的码本，根据码字索引从所确定的码本中选择一个相应的码字，并执行预编码传输数据与选定的码字。利用本发明的多码本进行预编码，这增加了预编码矩阵的分集，从而提高了等效信道的动态波动范围，从而有效地提高了多用户调度的性能。

7. 发明申请

US20100039951A1 COOPERATIVE MULTI-CELL TRANSMISSION METHOD 有权
标题翻译：合作多细胞传播方法
公开(公告)号：US20100039951A1
公开(公告)日：2010-02-18
申请号：US12537807
申请日：2009-08-07
申请人： Xiaoming She , Jingxiu Liu , Lan Chen
发明人： Xiaoming She , Jingxiu Liu , Lan Chen
IPC分类号： H04W72/12 , H04L12/26 , H04J3/00
CPC分类号： H04W72/1231 , H04B7/024 , H04W72/1278
摘要： The present invention provides a cooperative multi-cell transmission method that can be utilized to implement cooperative transmission in a virtual cell. Sectors composing the virtual cell are real cells and/or full sectors in real cells, any sector among the sectors composing the virtual cell is physically located adjacent to at least one of the other sectors, and each sector of the virtual cell corresponds to a real transmitting node respectively. The method includes: acquiring channel state information between any user and at least one of real transmitting nodes by a main information processing node; performing user scheduling and real transmitting node scheduling based on the channel state information by the main information processing node; and cooperatively transmitting data of one or more scheduled users based on the channel state information by one or more scheduled real transmitting nodes. The method according to an embodiment of the present invention reduces the interference and enhances the system spectral efficiency.
摘要翻译：本发明提供了可以用于在虚拟小区中实现协作传输的协作多小区传输方法。组成虚拟小区的扇区是实际小区中的真实小区和/或完整扇区，构成虚拟小区的扇区中的任何扇区物理上位于与其他扇区中的至少一个相邻的位置，虚拟小区的每个扇区对应于真实小区发送节点。该方法包括：通过主信息处理节点在任何用户和至少一个实际发送节点之间获取信道状态信息; 基于主信息处理节点的信道状态信息执行用户调度和实际发送节点调度; 并且通过一个或多个调度的实际发送节点基于信道状态信息协同地发送一个或多个调度用户的数据。根据本发明的实施例的方法减少了干扰并提高了系统频谱效率。

8. 发明申请

US20080132282A1 METHOD, SYSTEM, BASE STATION, AND USER EQUIPMENT FOR DETERMINING DELAY VALUE OF CYCLIC DELAY DIVERSITY 审中-公开
标题翻译：方法，系统，基站和用于确定周期延迟延迟值的用户设备
公开(公告)号：US20080132282A1
公开(公告)日：2008-06-05
申请号：US11932271
申请日：2007-10-31
申请人： Jingxiu Liu , Xiaoming She , Lan Chen
发明人： Jingxiu Liu , Xiaoming She , Lan Chen
IPC分类号： H04M1/00
CPC分类号： H04B7/0671 , H04B7/0456 , H04L1/0026 , H04L1/0675 , H04L5/0023 , H04L25/03898 , H04L27/2646
摘要： Methods, systems, BS and UE for determining Cyclic Delay Diversity delay value are disclosed. One method includes obtaining an optimal CDD delay value in the precoding codebook for obtaining the best channel quality on each sub-band respectively based on a result of channel estimation and feeding back to the BS by the UE; selecting an overall CDD delay value in the precoding codebook based on the local optimal CDD delay values received from each UE by the BS; updating the CDD delay values in the precoding codebook based on the overall CDD delay value in the precoding codebook by the BS. The invention provides provide a method for determining the CDD delay value (group) in precoding system with CDD, and a relating system, a base station, and a user equipment, to realize adaptive update of the CDD delay value (group), thereby ensuring the system performance to the most extent.
摘要翻译：公开了用于确定循环延迟分集延迟值的方法，系统，BS和UE。一种方法包括：在预编码码本中获得最佳的CDD延迟值，用于分别基于信道估计的结果并且由UE反馈到BS来获得每个子带上的最佳信道质量; 基于由BS从每个UE接收的局部最佳CDD延迟值，在预编码码本中选择总体CDD延迟值; 基于BS在预编码码本中的总体CDD延迟值来更新预编码码本中的CDD延迟值。本发明提供一种用于确定具有CDD的预编码系统中的CDD延迟值（组）的方法，以及相关系统，基站和用户设备，以实现CDD延迟值（组）的自适应更新，由此确保系统性能在最大程度上。

9. 发明授权

US08467339B2 Cooperative multi-cell transmission method 有权
标题翻译：合作多细胞传播方法
公开(公告)号：US08467339B2
公开(公告)日：2013-06-18
申请号：US12537807
申请日：2009-08-07
申请人： Xiaoming She , Jingxiu Liu , Lan Chen
发明人： Xiaoming She , Jingxiu Liu , Lan Chen
IPC分类号： H04W4/00
CPC分类号： H04W72/1231 , H04B7/024 , H04W72/1278
摘要： The present invention provides a cooperative multi-cell transmission method that can be utilized to implement cooperative transmission in a virtual cell. Sectors composing the virtual cell are real cells and/or full sectors in real cells, any sector among the sectors composing the virtual cell is physically located adjacent to at least one of the other sectors, and each sector of the virtual cell corresponds to a real transmitting node respectively. The method includes: acquiring channel state information between any user and at least one of real transmitting nodes by a main information processing node; performing user scheduling and real transmitting node scheduling based on the channel state information by the main information processing node; and cooperatively transmitting data of one or more scheduled users based on the channel state information by one or more scheduled real transmitting nodes. The method according to an embodiment of the present invention reduces the interference and enhances the system spectral efficiency.
摘要翻译：本发明提供了可以用于在虚拟小区中实现协作传输的协作多小区传输方法。组成虚拟小区的扇区是实际小区中的真实小区和/或完整扇区，构成虚拟小区的扇区中的任何扇区物理上位于与其他扇区中的至少一个相邻的位置，并且虚拟小区的每个扇区对应于真实小区发送节点。该方法包括：通过主信息处理节点在任何用户和至少一个实际发送节点之间获取信道状态信息; 基于主信息处理节点的信道状态信息执行用户调度和实际发送节点调度; 并且通过一个或多个调度的实际发送节点基于信道状态信息协同地发送一个或多个调度用户的数据。根据本发明的实施例的方法减少了干扰并提高了系统频谱效率。

10. 发明授权

US07912141B2 Pre-coding method for MIMO system and apparatus using the method 有权
标题翻译： MIMO系统的预编码方法和使用该方法的装置
公开(公告)号：US07912141B2
公开(公告)日：2011-03-22
申请号：US11875600
申请日：2007-10-19
申请人： Xiaoming She , Jingxiu Liu , Lan Chen , Kenichi Higuchi
发明人： Xiaoming She , Jingxiu Liu , Lan Chen , Kenichi Higuchi
IPC分类号： H04L1/02 , H04B7/02
CPC分类号： H04L25/03343 , H04B7/0639 , H04B7/066 , H04L1/0675
摘要： A pre-coding method for a MIMO system and an apparatus using the same are described. In the method, a receiver determines a corresponding codebook from a multi-codebook including multiple codebooks according to a location of a resource block, selects a corresponding codeword index from the determined codebook and transmits the index to a transmitter; the transmitter determines the corresponding codebook from the multi-codebook including multiple codebooks according to the location of the resource block where transmission data is to be transmitted, selects a corresponding codeword from the determined codebook according to the codeword index and performs pre-coding for the transmission data with the selected codeword. The pre-coding is performed with the multi-codebook in the present invention, which increases a diversity of pre-coding matrixes, so dynamic fluctuation range of a equivalent channel is improved and thus the performance of multi-user scheduling is enhanced effectively.
摘要翻译：对MIMO系统的预编码方法及使用该MIMO系统的装置进行说明。在该方法中，接收机根据资源块的位置从包括多个码本的多码本中确定相应的码本，从确定的码本中选择相应的码字索引，并将该索引发送给发射机; 发射机根据发送数据的资源块的位置根据码字索引从包含多个码本的多码本中确定相应的码本，根据码字索引从所确定的码本中选择一个相应的码字，并执行预编码传输数据与选定的码字。利用本发明的多码本进行预编码，这增加了预编码矩阵的分集，从而提高了等效信道的动态波动范围，从而有效地提高了多用户调度的性能。

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