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21. 发明授权

US08971436B2 User equipment and channel state information feedback method 有权
标题翻译：用户设备和信道状态信息反馈方法
公开(公告)号：US08971436B2
公开(公告)日：2015-03-03
申请号：US13703913
申请日：2011-06-17
申请人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
IPC分类号： H04B7/02 , H04B7/04 , H04B7/06 , H04L1/00 , H04L5/00
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0456 , H04B7/0482 , H04B7/0632 , H04L1/0015 , H04L1/0026 , H04L1/0031 , H04L5/0035
摘要： The present invention provides a user equipment and channel state information feedback method. The channel state information feedback method used in a coordinated multi-point system includes acquiring small-scale channel state information H′=[H′1, H′2, . . . , H′K] between a user equipment and all base stations joining coordination, acquiring large-scale channel state information li(i=1, . . . , K) between the user equipment and each of the base stations joining coordination, acquiring a CQI (CQIi=li▪|H′|, i=1, . . . , K) between the user equipment and each of the base stations joining coordination based on the small-scale channel state information and the large-scale channel state information, updating the source codebook C using the acquired CQI to acquire an updated codebook{tilde over (C)},performing quantization processing using the updated codebook to acquire CDI, and transmitting the CDI and the CQI associated with each of the base stations joining coordination to a base station as feedback to provide for channel reconstruction in the base station. According to the invention, the rate of utilization of feedback information is improved.
摘要翻译：本发明提供一种用户设备和信道状态信息反馈方法。在协调多点系统中使用的信道状态信息反馈方法包括获取小规模信道状态信息H'= [H'1，H'2，...] 。。，H'K]在用户设备和所有基站之间加入协调，获取用户设备和每个基站之间加入协调的大规模信道状态信息li（i = 1，...，K），获取基于小规模信道状态信息和大规模信道状态信息，用户设备与加入协调的每个基站之间的CQI（CQIi =li▪| H'|，i = 1，...，K）使用获取的CQI更新源码本C以获取更新的码本（（C）），使用更新的码本执行量化处理以获取CDI，以及发送与连接协调的每个基站相关联的CDI和CQI 作为反馈提供给基站中的信道重建的基站。根据本发明，提高了反馈信息的利用率。

22. 发明申请

US20130114751A1 USER EQUIPMENT AND CHANNEL STATE INFORMATION FEEDBACK METHOD 有权
标题翻译：用户设备和通道状态信息反馈方法
公开(公告)号：US20130114751A1
公开(公告)日：2013-05-09
申请号：US13703913
申请日：2011-06-17
申请人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
IPC分类号： H04B7/04
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0456 , H04B7/0482 , H04B7/0632 , H04L1/0015 , H04L1/0026 , H04L1/0031 , H04L5/0035
摘要： The present invention provides a user equipment and channel state information feedback method. The channel state information feedback method used in a coordinated multi-point system includes acquiring small-scale channel state information H′=[H′1, H′2, . . . , H′K] between a user equipment and all base stations joining coordination, acquiring large-scale channel state information li(i=1, . . . , K) between the user equipment and each of the base stations joining coordination, acquiring a CQI (CQIi=li▪|H′|, i=1, . . . , K) between the user equipment and each of the base stations joining coordination based on the small-scale channel state information and the large-scale channel state information, updating the source codebook C using the acquired CQI to acquire an updated codebook {tilde over (C)}, performing quantization processing using the updated codebook to acquire CDI, and transmitting the CDI and the CQI associated with each of the base stations joining coordination to a base station as feedback to provide for channel reconstruction in the base station. According to the invention, the rate of utilization of feedback information is improved.
摘要翻译：本发明提供一种用户设备和信道状态信息反馈方法。在协调多点系统中使用的信道状态信息反馈方法包括获取小规模信道状态信息H'= [H'1，H'2，...] 。。，H'K]在用户设备和所有基站之间加入协调，获取用户设备和每个基站之间加入协调的大规模信道状态信息li（i = 1，...，K），获取基于小规模信道状态信息和大规模信道状态信息，用户设备和加入协调的每个基站之间的CQI（CQIi = li * | H'|，i = 1，...，K）使用获取的CQI更新源码本C以获取更新的码本（（C）），使用更新的码本执行量化处理以获取CDI，以及发送与连接协调的每个基站相关联的CDI和CQI 作为反馈提供给基站中的信道重建的基站。根据本发明，提高了反馈信息的利用率。

23. 发明申请

US20110034163A1 METHOD FOR COORDINATED MULTI-CELL TRANSMISSION, CENTRAL CONTROLLER AND USER EQUIPMENT 有权
标题翻译：协调多媒体传输方法，中央控制器和用户设备
公开(公告)号：US20110034163A1
公开(公告)日：2011-02-10
申请号：US12840171
申请日：2010-07-20
申请人： Jianchi Zhu , Xiaoming She , Xiang Yun , Lan Chen
发明人： Jianchi Zhu , Xiaoming She , Xiang Yun , Lan Chen
IPC分类号： H04W40/00
CPC分类号： H04B7/022 , H04B7/024 , H04L5/0035 , H04L5/0091
摘要： Embodiments of the present invention disclose a method for coordinated multi-cell transmission, a central controller and a User Equipment (UE). In one embodiment, the method includes: determining, by a central controller, at least one candidate cooperating set in a super-cell, wherein each cell in the super-cell belongs to at least one candidate cooperating set, and broadcasting information of the at least one candidate cooperating set determined to all UEs in the super-cell; selecting, by each UE, a candidate cooperating set from the at least one candidate cooperating set as a cooperating set of the UE, and feeding back information of the cooperating set selected to the central controller; and determining, by the central controller, all cooperating sets in the super-cell and UEs participating in cooperation in each cooperating set according to the information of the selected cooperating set fed back by each UE.
摘要翻译：本发明的实施例公开了一种用于协调多小区传输的方法，中央控制器和用户设备（UE）。在一个实施例中，该方法包括：由中央控制器确定超小区中的至少一个候选协作集合，其中超小区中的每个小区属于至少一个候选协作集，并且广播信息为超级小区中的所有UE确定的至少一个候选协作集; 从所述至少一个候选协作集合中选择所述候选协作集合作为所述UE的协作集合，并将所选择的所述协作集合的信息反馈给所述中央控制器; 以及由所述中央控制器根据由每个UE反馈的所选择的合作集的信息，确定所述超小区中的所有协作集合以及参与每个协作集合中的协作的UE。

24. 发明授权

US09351177B2 Mobile terminal apparatus, radio base station apparatus, radio communication method and radio communication system 有权
标题翻译：移动终端装置，无线基站装置，无线通信方式以及无线通信系统
公开(公告)号：US09351177B2
公开(公告)日：2016-05-24
申请号：US14110738
申请日：2012-04-12
申请人： Satoshi Nagata , Xiang Yun , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Xiang Yun , Xiaoming She , Lan Chen
IPC分类号： H04W4/00 , H04W24/02 , H04B7/02 , H04B7/06 , H04B7/04 , H04W72/08
CPC分类号： H04W24/02 , H04B7/024 , H04B7/0456 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04W72/082
摘要： The present invention is designed to provide a mobile terminal apparatus, a radio base station apparatus and a radio communication method which, even when a MIMO technique and a CoMP technique are applied together, can optimize the effects of both techniques. The mobile terminal apparatus estimates downlink channel states using reference signals included in downlink signals from a plurality of cells, determines the PMI for each cell and inter-cell phase difference information, from the channel states of the plurality of cells, such that the combinations of the PMI of each cell and inter-cell phase difference information become optimal, measures channel quality from the determined PMIs and inter-cell phase difference information, and transmits the PMI for each cell, the inter-cell phase difference information and channel quality information, to a radio base station apparatus.
摘要翻译：本发明旨在提供即使将MIMO技术和CoMP技术应用于一起也可以优化两种技术的效果的移动终端装置，无线基站装置和无线通信方法。移动终端设备使用包括在来自多个小区的下行链路信号中的参考信号来估计下行链路信道状态，从多个小区的信道状态确定每个小区的PMI和小区间相位差信息，使得每个小区的PMI和小区间相位信息变为最优，从确定的PMI和小区间相位信息中测量信道质量，并且发送每个小区的PMI，小区间相位差信息和信道质量信息，涉及无线基站装置。

25. 发明申请

US20140133419A1 METHOD FOR COORDINATING INTER-CELL INTERFERENCE IN RADIO NETWORK, BASE STATION AND RADIO NETWORK 审中-公开
标题翻译：用于协调无线网络，基站和无线网络中的细胞间干扰的方法
公开(公告)号：US20140133419A1
公开(公告)日：2014-05-15
申请号：US14117686
申请日：2012-05-10
申请人： Satoshi Nagata , Yu Jiang , Jing Wang , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Yu Jiang , Jing Wang , Xiaoming She , Lan Chen
IPC分类号： H04L5/00
CPC分类号： H04L5/0073 , H04W52/244 , H04W72/1257
摘要： Provided are a method for coordinating inter-cell interference in a radio network, a transmission point and the radio network. The method includes: a step A of a normal base station performing scheduling based on feedback information of users of the normal base station and obtain a user scheduling result of the normal base station including a parameter about actual transmission characteristics of the normal base station; a step B of the normal base station obtaining a performance estimating parameter including a parameter about actual transmission characteristics of each of the one or plurality of low-power base stations for both cases of normal base station without transmission and normal base station with transmission; a step C of the normal base station using the performance estimating parameter and the user scheduling result of the normal base station as a basis to determine weighting throughputs of all transmission points for the case of normal base station without transmission and weighting throughputs of all the transmission points for the case of normal base station with transmission; and a step D of the normal base station comparing the weighting throughputs of all the transmission points, obtaining a transmission determination result and performing data transmission based on the transmission determination result.
摘要翻译：提供了一种用于协调无线电网络，传输点和无线电网络中的小区间干扰的方法。该方法包括：正常基站的步骤A，基于正常基站的用户的反馈信息进行调度，获取正常基站的用户调度结果，该结果包括关于正常基站的实际传输特性的参数; 正常基站的步骤B获得包括一个或多个低功率基站中的每个低功率基站的实际传输特性的参数的性能估计参数，用于无传输的普通基站和正常基站的传输; 使用性能估计参数和正常基站的用户调度结果的正常基站的步骤C作为基础来确定在没有传输的情况下的所有发送点的所有发送点的加权吞吐量，以及所有传输的加权吞吐量正常基站传输点数; 以及正常基站的步骤D，比较所有传输点的加权吞吐量，获得传输确定结果并根据传输确定结果执行数据传输。

26. 发明申请

US20140016533A1 COMMUNICATION PROCESSING METHOD AND BASE STATION 有权
标题翻译：通信处理方法和基站
公开(公告)号：US20140016533A1
公开(公告)日：2014-01-16
申请号：US14006764
申请日：2012-03-22
申请人： Satoshi Nagata , Xiang Yun , Lan Chen , Xiaoming She , Juejia Zhou , Hirohito Suda
发明人： Satoshi Nagata , Xiang Yun , Lan Chen , Xiaoming She , Juejia Zhou , Hirohito Suda
IPC分类号： H04L12/18
CPC分类号： H04L12/1881 , H04B7/04 , H04B7/0632 , H04B7/0639 , H04L5/0035 , H04W16/28 , H04W24/10 , H04W72/046 , H04W72/12
摘要： A base station receives channel state information corresponding to each of spare coordinated groups from each of user devices. A first group includes a plurality of coordinated groups arranged in advance. The spare coordinated groups corresponding to each user device are such as selected from the first group and include at least a service sector of best channel quality obtained measurement by the user device. The base station specifies a user device group corresponding to each of coordinated groups contained in each of coordinated group patterns. The user device group corresponding to the coordinated group is formed of user devices having the coordinated group in their spare coordinated groups. The base station uses channel state information reported from the user devices of the user device group corresponding to the coordinated group as a basis to perform user scheduling on the coordinated group.
摘要翻译：基站从每个用户设备接收对应于每个备用协调组的信道状态信息。第一组包括预先排列的多个协调组。与每个用户设备相对应的备用协作组例如从第一组中选择，并且至少包括由用户设备获得的测量获得的最佳信道质量的服务扇区。基站指定与每个协调组模式中包含的每个协调组对应的用户设备组。对应于协调组的用户设备组由其备用协调组中具有协调组的用户设备组成。基站使用从与协作组对应的用户装置组的用户装置报告的信道状态信息作为对协调组进行用户调度的依据。

27. 发明授权

US08355340B2 Method and base station for obtaining channel quality indicator information 有权
标题翻译：方法和基站，用于获取信道质量指标信息
公开(公告)号：US08355340B2
公开(公告)日：2013-01-15
申请号：US12821044
申请日：2010-06-22
申请人： Jianchi Zhu , Xiaoming She , Xiang Yun , Lan Chen
发明人： Jianchi Zhu , Xiaoming She , Xiang Yun , Lan Chen
IPC分类号： H04L1/20 , H04B1/10
CPC分类号： H04L1/0026 , H04L1/0003 , H04L1/0009 , H04L1/20
摘要： Embodiments of the present invention include a method and base station for obtaining Channel Quality Indicator (CQI) information. One embodiment of the method includes: receiving, by a base station, quantized channel information, quantization error, Inter-Cell Interference (ICI) power and noise power fed back by each User Equipment (UE) after channel estimation; and estimating, by the base station, a CQI corresponding to each UE to obtain an estimated CQI value corresponding to each UE according to the quantized channel information, the quantization error, the ICI power and the noise power which are fed back by the UE as well as an instantaneous precoding vector or matrix of each UE. Through the embodiments, the base station can obtain more precise CQI information of each UE so as to select a precise modulation and coding scheme and to increase system throughput.
摘要翻译：本发明的实施例包括一种用于获得信道质量指示符（CQI）信息的方法和基站。该方法的一个实施例包括：在信道估计之后由基站接收由每个用户设备（UE）反馈的量化信道信息，量化误差，小区间干扰（ICI）功率和噪声功率; 并且由基站估计与每个UE相对应的CQI，以根据由UE反馈的量化信道信息，量化误差，ICI功率和噪声功率来获得与每个UE对应的估计CQI值，作为以及每个UE的瞬时预编码向量或矩阵。通过实施例，基站可以获得每个UE的更精确的CQI信息，以便选择精确的调制和编码方案并提高系统吞吐量。

28. 发明申请

US20110045856A1 INTER-CELL INTERFERENCE COORDINATION METHOD AND BASE STATION 有权
标题翻译：内部干扰协调方法和基站
公开(公告)号：US20110045856A1
公开(公告)日：2011-02-24
申请号：US12796484
申请日：2010-06-08
申请人： Minghai Feng , Xiaoming She , Lan Chen , Wenbo Wang , Mugen Peng , Dong Liang , Song Zhu
发明人： Minghai Feng , Xiaoming She , Lan Chen , Wenbo Wang , Mugen Peng , Dong Liang , Song Zhu
IPC分类号： H04B7/00
CPC分类号： H04W72/082 , H04W72/0406 , H04W92/20
摘要： An inter-cell interference coordination method comprises: measuring an interference over thermal noise of a first subcarrier resource block in an uplink direction and obtaining an interference over thermal noise measurement value by a first base station; judging whether a first high interference indicating message is received from a second base station when the interference over thermal noise measurement value is larger than a first preset threshold value by the first base station; sending an overload indicator message to the second base station which has sent the high interference indicating message or shielding the first subcarrier resource block by the first base station when the first high interference indicating message is received; and sending the overload indicator message to base stations to which all the neighboring cells belong by the first base station when the first high interference indicating message is not received. The overhead at X2 interface is reduced according to the present invention.
摘要翻译：小区间干扰协调方法包括：测量上行链路方向上的第一子载波资源块的热噪声干扰，并获得第一基站对热噪声测量值的干扰; 当所述第一基站的干扰超过热噪声测量值大于第一预设阈值时，判断是否从第二基站接收到第一高干扰指示消息; 当接收到所述第一高干扰指示消息时，向已经发送高干扰指示消息的第二基站或第一基站屏蔽第一子载波资源块的过载指示消息发送; 以及当没有接收到所述第一高干扰指示消息时，将所述过载指示符消息发送到所有相邻小区属于所述第一基站的基站。根据本发明，X2接口的开销减小了。

29. 发明申请

US20100067606A1 METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING MBMS BASED ON HM 有权
标题翻译：基于HM发送/接收MBMS的方法和装置
公开(公告)号：US20100067606A1
公开(公告)日：2010-03-18
申请号：US12557356
申请日：2009-09-10
申请人： Minghai Feng , Xiaoming She , Lan Chen
发明人： Minghai Feng , Xiaoming She , Lan Chen
IPC分类号： H04L27/02 , H04L27/18 , H04B15/00 , H04L25/49 , H03D1/24 , H04L27/22 , H04L27/06 , H04B1/10 , H04L1/18 , G06F11/14
CPC分类号： H04L27/3488 , H04L1/1893 , H04L27/183 , H04L2001/0098
摘要： The present invention relates to a communication field and particularly to a method and apparatus for transmitting/receiving multimedia broadcast/multicast data based on hierarchical modulation in order to solve the problem of low efficiency of conventional methods. The method includes the steps of: receiving a check report returned from a receiver, determining whether the check report indicates there are both basic layer and enhanced layer data errors and if yes, exchanging the last two bits of the enhanced layer and the first two bits of the basic layer and modulating the data with a second constellation map and then transmitting the data; otherwise determining whether the check report indicates there is only the basic layer error and if yes, modulating the data with the second constellation map in the order from the basic layer to the enhanced layer and then transmitting the data; if there is only enhanced layer error, exchanging the last two bits of the enhanced layer and the first two bits of the basic layer and modulating the data with the first constellation map and then transmitting the data. The beneficial effects of the present invention are that the retransmission efficiency can be improved and the ratio of receiving the data correctly by the users at the cell center and at the cell border during the first retransmission is improved.
摘要翻译：通信领域本发明涉及一种通信领域，特别涉及一种基于分级调制来发送/接收多媒体广播/组播数据的方法和装置，以解决常规方法的低效率问题。该方法包括以下步骤：接收从接收器返回的检查报告，确定检查报告是否指示存在基本层和增强层数据错误，如果是，则将增强层的最后两位和前两位进行交换并用第二星座图调制数据，然后发送数据; 否则确定检查报告是否指示仅存在基本层错误，如果是，则以从基本层到增强层的顺序用第二星座图调制数据，然后发送数据; 如果仅增强层错误，则交换增强层的最后两位和基本层的前两位，并用第一星座图调制数据，然后发送数据。本发明的有益效果是可以提高重传效率，提高在第一次重传期间小区中心和小区边界处的用户正确接收数据的比例。

30. 发明申请

US20080102822A1 METHOD OF SCHEDULING UPLINK RESOURCES IN CELLULAR COMMUNICATION SYSTEM 有权
标题翻译：在细胞通信系统中调度上行资源的方法
公开(公告)号：US20080102822A1
公开(公告)日：2008-05-01
申请号：US11933952
申请日：2007-11-01
申请人： Minghai Feng , Xiaoming She , Lan Chen
发明人： Minghai Feng , Xiaoming She , Lan Chen
IPC分类号： H04Q7/20
CPC分类号： H04W72/082 , H04L27/2601 , H04W72/12
摘要： A method of scheduling resources in an uplink of a wireless cellular communication system, comprising the steps of measuring, by each user equipment in a present cell, pilot strengths of adjacent cells to find base stations within adjacent cells on which the user equipment has the strongest inter-cell interferences and to calculate values of the inter-cell interferences in an uplink direction which is caused by the user equipment on said base stations within said adjacent cells; grouping all user equipments within the present cell based on the calculated values of the inter-cell interferences; grouping used sub-carriers based on the groups of the user equipments so that each group of user equipments corresponds to one group of sub-carriers; allocating each group of sub-carriers to the user equipments included in the group of user equipments selected corresponding to the group of sub-carriers; and based on the allocation of the group of the sub-carriers, calculating a modified signal noise interference power ratio of each user equipment on the corresponding group of sub-carriers, and performing a multi-user equipment resource scheduling algorithm.
摘要翻译：一种在无线蜂窝通信系统的上行链路中调度资源的方法，包括以下步骤：由当前小区中的每个用户设备测量相邻小区的导频强度，以在用户设备具有最强的相邻小区内找到基站并且计算由所述相邻小区内的所述基站上的用户设备引起的上行链路方向上的小区间干扰的值; 基于所计算的小区间干扰值，对本小区内的所有用户设备进行分组; 基于用户设备的组分组使用的子载波，使得每组用户设备对应于一组子载波; 将每个子载波组分配给包括在与该子载波组对应的所选择的用户设备组中的用户设备; 并基于子载波组的分配，对相应的子载波组计算每个用户设备的修改信号噪声干扰功率比，并执行多用户设备资源调度算法。

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