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1. 发明授权

US08520616B2 Method and device for user pairing for uplink multi-user MIMO under coordinated multiple point transmission scenario 有权
标题翻译：用于在协调多点传输场景下用于上行链路多用户MIMO的用户配对的方法和装置
公开(公告)号：US08520616B2
公开(公告)日：2013-08-27
申请号：US12860537
申请日：2010-08-20
申请人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
发明人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
IPC分类号： H04W4/00
CPC分类号： H04B7/0452 , H04L5/0035
摘要： A method of pairing users for an uplink multi-user multiple-input-multiple-output (MU-MIMO) system under coordinated multipoint transmission (CoMP) scenario in a communication system, which includes: selecting, by a first cell of the communication system, at least one initial user served by the cell as a first paired user; selecting, by the first cell, a candidate paired user according to the service type of the first paired user; and determining, from the different service types of the first paired user and the candidate paired user, a pairing type to be formed, and determining whether the candidate paired user and the first paired user can be paired into the pairing type to be formed by using a predetermined determination criterion according to the pairing type. It is further provided a device for performing the method. The throughput and communication efficiency of the communication system can be improved with the method and device for pairing users.
摘要翻译：一种在通信系统中的协调多点传输（CoMP）场景下，用于上行链路多用户多输入多输出（MU-MIMO）系统的用户配对的方法，包括：由通信系统的第一小区，由所述小区服务的至少一个初始用户作为第一配对用户; 根据第一配对用户的服务类型，由第一小区选择候选配对用户; 以及从所述第一配对用户和所述候选配对用户的不同服务类型确定要形成的配对类型，并且确定所述候选配对用户和所述第一配对用户是否可以配对成通过使用将形成的配对类型根据配对类型的预定确定标准。还提供了一种用于执行该方法的装置。通过配对用户的方法和设备可以提高通信系统的吞吐量和通信效率。

2. 发明申请

US20120300656A1 CODEBOOK BASED CHANNEL INFORMATION FEEDBACK METHOD, DEVICE AND SYSTEM 有权
标题翻译：基于CODEBOOK的渠道信息反馈方法，设备和系统
公开(公告)号：US20120300656A1
公开(公告)日：2012-11-29
申请号：US13522374
申请日：2011-01-30
申请人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
发明人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
IPC分类号： H04W24/02
CPC分类号： H04B7/0639 , H04B7/0452 , H04B7/0456 , H04B7/0478 , H04L1/0026 , H04W72/042 , H04W76/15
摘要： A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station.
摘要翻译：本发明提供了基于码本的信道信息反馈方法，装置和系统。基于码本的信道信息反馈方法包括：通信系统中的终端测量终端与通信系统的基站之间的下行链路信道的参数; 通过使用下行链路信道的参数从预编码码本中选择多个预编码矩阵，其中多个预编码矩阵可以由单用户多输入多输出（MIMO）传输模式和多用户 MIMO传输模式，预编码码本是预编码矩阵的聚合; 并向基站反馈用于指示多个预编码矩阵的第一信息。

3. 发明授权

US09007995B2 Codebook based channel information feedback method, device and system 有权
标题翻译：基于Codebook的渠道信息反馈方法，设备和系统
公开(公告)号：US09007995B2
公开(公告)日：2015-04-14
申请号：US13522374
申请日：2011-01-30
申请人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
发明人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
IPC分类号： H04W4/00 , H04B7/06 , H04L1/00 , H04B7/04
CPC分类号： H04B7/0639 , H04B7/0452 , H04B7/0456 , H04B7/0478 , H04L1/0026 , H04W72/042 , H04W76/15
摘要： A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station.
摘要翻译：本发明提供了基于码本的信道信息反馈方法，装置和系统。基于码本的信道信息反馈方法包括：通信系统中的终端测量终端与通信系统的基站之间的下行链路信道的参数; 通过使用下行链路信道的参数从预编码码本中选择多个预编码矩阵，其中多个预编码矩阵可以由单用户多输入多输出（MIMO）传输模式和多用户 MIMO传输模式，预编码码本是预编码矩阵的聚合; 并向基站反馈用于指示多个预编码矩阵的第一信息。

4. 发明申请

US20110044272A1 METHOD AND DEVICE FOR USER PAIRING FOR UPLINK MULTI-USER MIMO UNDER COORDINATED MULTIPLE POINT TRANSMISSION SCENARIO 有权
标题翻译：用于在协调多点传输场景下用于上行链路多用户MIMO的用户配对的方法和设备
公开(公告)号：US20110044272A1
公开(公告)日：2011-02-24
申请号：US12860537
申请日：2010-08-20
申请人： Qimei CUI , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
发明人： Qimei CUI , Shiyuan Li , Xiaofeng Tao , Chao Wang , Xianjun Yang
IPC分类号： H04W4/00
CPC分类号： H04B7/0452 , H04L5/0035
摘要： A method of pairing users for an uplink multi-user multiple-input-multiple-output (MU-MIMO) system under coordinated multipoint transmission (CoMP) scenario in a communication system, which includes: selecting, by a first cell of the communication system, at least one initial user served by the cell as a first paired user; selecting, by the first cell, a candidate paired user according to the service type of the first paired user; and determining, from the different service types of the first paired user and the candidate paired user, a pairing type to be formed, and determining whether the candidate paired user and the first paired user can be paired into the pairing type to be formed by using a predetermined determination criterion according to the pairing type. It is further provided a device for performing the method. The throughput and communication efficiency of the communication system can be improved with the method and device for pairing users.
摘要翻译：一种在通信系统中的协调多点传输（CoMP）场景下，用于上行链路多用户多输入多输出（MU-MIMO）系统的用户配对的方法，包括：由通信系统的第一小区，由所述小区服务的至少一个初始用户作为第一配对用户; 根据第一配对用户的服务类型，由第一小区选择候选配对用户; 以及从所述第一配对用户和所述候选配对用户的不同服务类型确定要形成的配对类型，并且确定所述候选配对用户和所述第一配对用户是否可以配对成通过使用将形成的配对类型根据配对类型的预定确定标准。还提供了一种用于执行该方法的装置。通过配对用户的方法和设备可以提高通信系统的吞吐量和通信效率。

5. 发明申请

US20130201862A1 METHOD AND DEVICE FOR FEEDING BACK DOWNLINK CHANNEL FEEDBACK INFORMATION, AND METHOD AND DEVICE FOR USER PAIRING 审中-公开
标题翻译：用于馈送下行链路信道反馈信息的方法和设备，以及用于配对的方法和设备
公开(公告)号：US20130201862A1
公开(公告)日：2013-08-08
申请号：US13878581
申请日：2011-10-21
申请人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang
发明人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang
IPC分类号： H04B7/04
CPC分类号： H04B7/0417 , H04B7/0452 , H04B7/0632 , H04B7/0634 , H04B7/0639 , H04B7/0689 , H04L1/0026 , H04L1/20
摘要： A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.
摘要翻译：用于反馈下行链路信道反馈信息的方法和装置，以及用于用户配对的方法和装置。反馈下行链路信道反馈信息的方法包括：计算用户的多用户信道质量指示误差，该误差用于反映多用户多输入多输出传输情况与信道质量指示之间的差异，单用户多输入多输出情况; 将多用户信道质量指示误差添加到包括预编码矩阵指示和信道质量指示的下行链路信道反馈信息中，并将其馈送到基站进行调度。因此，可以降低MIMO系统中的解调误码率，提高系统性能。

6. 发明授权

US10298297B2 Method and device for feeding back downlink channel feedback information, and method and device for user pairing 有权
公开(公告)号：US10298297B2
公开(公告)日：2019-05-21
申请号：US13878581
申请日：2011-10-21
申请人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang
发明人： Qimei Cui , Shiyuan Li , Xiaofeng Tao , Chao Wang
IPC分类号： H04B7/0417 , H04B7/0452 , H04B7/06 , H04L1/00 , H04L1/20
摘要： A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.

7. 发明授权

US09755806B2 Channel information feedback method, user equipment, method for sending data, and base station 有权
公开(公告)号：US09755806B2
公开(公告)日：2017-09-05
申请号：US14238560
申请日：2012-07-30
申请人： Qimei Cui , Hui Wang , Xiaofeng Tao , Shan Yang , Xiaona Li , Shiyuan Li
发明人： Qimei Cui , Hui Wang , Xiaofeng Tao , Shan Yang , Xiaona Li , Shiyuan Li
IPC分类号： H04L5/00 , H04W72/08 , H04W24/08 , H04W72/04 , H04L1/00
CPC分类号： H04L5/0057 , H04L1/0026 , H04L5/0035 , H04W24/08 , H04W72/0426 , H04W72/085
摘要： A method and system for feeding back channel information to coordinated cells, the method including: measuring channel qualities of downlink channels between coordinated cells and user equipment; classifying the coordinated cells into different coordinated cell classes according to the measured channel qualities; based on different channel quality intervals corresponding to different coordinated cell classes, respectively selecting channel information feedback modes with different feedback enhancement degrees for different coordinated cell classes; and using the selected channel information feedback modes with different feedback enhancement degrees to determine the channel information to be fed back to the coordinated cells in each coordinated cell class according to a pre-determined order, and sending the determined channel information to the coordinated cells.

8. 发明申请

US20140211653A1 CHANNEL INFORMATION FEEDBACK METHOD, USER EQUIPMENT, METHOD FOR SENDING DATA, AND BASE STATION 有权
标题翻译：频道信息反馈方法，用户设备，发送数据的方法和基站
公开(公告)号：US20140211653A1
公开(公告)日：2014-07-31
申请号：US14238560
申请日：2012-07-30
申请人： Qimei Cui , Hui Wang , Xiaofeng Tao , Shan Yang , Xiaona Li , Shiyuan Li
发明人： Qimei Cui , Hui Wang , Xiaofeng Tao , Shan Yang , Xiaona Li , Shiyuan Li
IPC分类号： H04L5/00 , H04W24/08
CPC分类号： H04L5/0057 , H04L1/0026 , H04L5/0035 , H04W24/08 , H04W72/0426 , H04W72/085
摘要： A method and system for feeding back channel information to coordinated cells, the method including: measuring channel qualities of downlink channels between coordinated cells and user equipment; classifying the coordinated cells into different coordinated cell classes according to the measured channel qualities; based on different channel quality intervals corresponding to different coordinated cell classes, respectively selecting channel information feedback modes with different feedback enhancement degrees for different coordinated cell classes; and using the selected channel information feedback modes with different feedback enhancement degrees to determine the channel information to be fed back to the coordinated cells in each coordinated cell class according to a pre-determined order, and sending the determined channel information to the coordinated cells.
摘要翻译：一种将信道信息反馈给协同小区的方法和系统，该方法包括：测量协同小区与用户设备之间下行信道的信道质量; 根据测量的信道质量将协调的细胞分类成不同的协调细胞类别; 基于不同协调小区类别的不同信道质量间隔，分别为不同协调小区类别选择具有不同反馈增强度的信道信息反馈模式; 以及使用具有不同反馈增强度的所选择的信道信息反馈模式，以根据预定的顺序确定要在每个协作小区类中反馈到协作小区的信道信息，并将确定的信道信息发送到协调小区。

9. 发明授权

US09143972B2 Method for establishing CoMP cooperating set in coordinated multi-point communication 有权
标题翻译：在协调多点通信中建立CoMP合作集的方法
公开(公告)号：US09143972B2
公开(公告)日：2015-09-22
申请号：US13884368
申请日：2011-10-27
申请人： Xiaofeng Tao , Xiaodong Xu , Qimei Cui , Ping Zhang , Xin Chen , Hongjia Li , Qiang Wang , Jie Ni
发明人： Xiaofeng Tao , Xiaodong Xu , Qimei Cui , Ping Zhang , Xin Chen , Hongjia Li , Qiang Wang , Jie Ni
IPC分类号： H04W72/04 , H04W72/00 , H04W24/10 , H04B7/02 , H04B7/06 , H04W92/20
CPC分类号： H04W24/10 , H04B7/024 , H04B7/0626 , H04W72/0426 , H04W92/20
摘要： Disclosed is a method for establishing a CoMP cooperating set in coordinated multi-point communication, the method comprising the steps of: triggering and starting a coordinated multi-point communication process; according to channel state information of all cells in a measurement cell set measured by a UE, determining a candidate CoMP cooperating set; sending a CoMP cooperating set establishment request to eNodeBs of the cooperating cells in the determined candidate CoMP cooperating set; the eNodeBs being of the cooperating cell and receiving the CoMP cooperating set establishment request responding to the CoMP cooperating set establishment request to the eNodeB of the serving cell of the UE, and sending a CoMP cooperating set establishment response to the eNodeB of the serving cell of the UE; the eNodeB of the serving cell of the UE determining a CoMP cooperating set of the UE according to information of the CoMP cooperating set establishment response; and according to a coordinated multi-point communication mode, sharing data information and service bearer information of the UE of the CoMP cooperating set. The present invention guarantees coordinated multi-point joint transmission/reception, decreases the overhead and complexity of the communication system and furthermore reduces the time delay in the information exchange.
摘要翻译：公开了一种在协调多点通信中建立CoMP协作集的方法，所述方法包括以下步骤：触发并启动协调的多点通信过程; 根据由UE测量的测量小区集中的所有小区的信道状态信息，确定候选的CoMP协作组; 向确定的候选CoMP协作集中的协作小区的eNodeB发送CoMP协作组建立请求; 所述eNodeB是协作小区，并且将响应于所述CoMP协作组建立请求的所述CoMP协作组建立请求接收到所述UE的所述服务小区的eNodeB，并且向所述服务小区的eNodeB发送CoMP协作集合建立响应 UE; UE的服务小区的eNodeB根据CoMP合作组建立响应的信息确定UE的CoMP协作组; 并且根据协调的多点通信模式，共享CoMP协作组的UE的数据信息和业务承载信息。本发明保证了协调的多点联合发送/接收，降低了通信系统的开销和复杂性，进而减少了信息交换中的时延。

10. 发明申请

US20130308570A1 METHOD FOR JOINT OPTIMIZATION OF SCHEDULE AND RESOURCE ALLOCATION BASED ON THE GENETIC ALGORITHM 有权
标题翻译：基于遗传算法的时间表和资源分配联合优化方法
公开(公告)号：US20130308570A1
公开(公告)日：2013-11-21
申请号：US13896448
申请日：2013-05-17
申请人： Xiaodong Xu , Xiaofeng Tao , Da Wang , Qimei Cui , Ping Zhang , Xin Chen , Dezhuang Wu
发明人： Xiaodong Xu , Xiaofeng Tao , Da Wang , Qimei Cui , Ping Zhang , Xin Chen , Dezhuang Wu
IPC分类号： H04B7/02
CPC分类号： H04B7/024 , H04J11/0053 , H04W72/04 , Y02D70/00 , Y02D70/1262 , Y02D70/1264 , Y02D70/442
摘要： The invention relates to the technical field of wireless communication, and provides a method for joint optimization of schedule and resource allocation based on a genetic algorithm, which is applied in a CoMP communication system. The method includes steps of: S1, encoding chromosome; S2, initializing setting; S3, computing fitness value; S4, determining whether the optimal solution is better than an elite: if yes, updating the elite and executing S5, and if no, turning to S5; S5, determining whether a predetermined generation of population has been generated or not, if no, executing S6, otherwise, turning to S8; S6, participating reproduction process to generate two offspring chromosome individuals; S7, determining whether a predetermined number of offspring chromosome individuals have been generated, if yes, turning to S3 to compute again; otherwise keeping on reproduction; S8, performing schedule and resource allocation according to a solution corresponding to the elite. Under the condition of satisfying schedule limitation and power limitation, the method can, by uniting schedule and resource allocation, efficiently optimize system performance with less computing complexity.
摘要翻译：本发明涉及无线通信技术领域，并提供了一种基于遗传算法联合优化调度和资源分配的方法，该方法应用于CoMP通信系统中。该方法包括以下步骤：S1，编码染色体; S2，初始化设置; S3，计算适应度值; S4，确定最优解是否优于精英：如果是，更新精英并执行S5，如果否，转到S5; S5，确定是否已经生成了预定生成的群体，否则执行S6，否则转到S8; S6，参与繁殖过程产生两个后代染色体个体; S7，确定是否已经生成了预定数量的后代染色体个体，如果是，则转向S3再次计算; 否则继续生殖; S8，根据与精英对应的解决方案执行时间表和资源分配。在满足时间表限制和功率限制的条件下，该方法可以通过计划和资源分配结合，以较少的计算复杂度有效优化系统性能。

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