公开(公告)号：US08451765B2

公开(公告)日：2013-05-28

申请号：US12532015

申请日：2008-03-20

申请人： Yingmin Wang ,  Yu Ding ,  Hongyan Xu ,  Shiyan Ren ,  Yuemin Cai

发明人： Yingmin Wang ,  Yu Ding ,  Hongyan Xu ,  Shiyan Ren ,  Yuemin Cai

IPC分类号： H04H20/71

CPC分类号： H04W72/005 ,  H04W92/12

摘要： A method includes: sending, by an RNC, MBMS data to base stations of the target cells or sectors, distributing the same time and frequency resources, scrambling code and midamble to the cells or sectors to transmit the MBMS data, sending information of the distributed resources, scrambling code and midamble to the base stations and UEs of the target cells or sectors; and rotating, by each of the base stations, the MBMS burst signal to be sent by a random phase, sending the rotated signal to the UE using time and frequency resources distributed by RNC. A system includes an RNC, base stations and a UE, and each of the base stations includes a phase processing module and a signal sending module.

摘要翻译： 一种方法包括：通过RNC将MBMS数据发送到目标小区或扇区的基站，将相同的时间和频率资源，扰码和中间码分配给小区或扇区以发送MBMS数据，发送分发的信息 资源，扰码和中间码到目标小区或扇区的基站和UE; 并且通过每个基站旋转要由随机相位发送的MBMS突发信号，使用RNC分发的时间和频率资源向UE发送旋转的信号。 一种系统包括RNC，基站和UE，并且每个基站包括相位处理模块和信号发送模块。

公开(公告)号：US20100103855A1

公开(公告)日：2010-04-29

申请号：US12532015

申请日：2008-03-20

申请人： Yingmin Wang ,  Yu Ding ,  Hongyan Xu ,  Shiyan Ren ,  Yuemin Cai

发明人： Yingmin Wang ,  Yu Ding ,  Hongyan Xu ,  Shiyan Ren ,  Yuemin Cai

IPC分类号： H04H20/71 ,  H04W72/04 ,  H04M1/00

CPC分类号： H04W72/005 ,  H04W92/12

摘要： A method, system and base station for transmitting MBMS in a single frequency network are provided. The method includes: sending, by an RNC, MBMS data to base stations of the target cells or sectors, distributing the same time and frequency resources, scrambling code and midamble to the cells or sectors to transmit the MBMS data, sending information of the distributed resources, scrambling code and midamble to the base stations and UEs of the target cells or sectors; and rotating, by each of the base stations, the MBMS burst signal to be sent by a random phase, sending the rotated signal to the UE using time and frequency resources distributed by RNC. The system includes an RNC, base stations and a UE, and each of the base stations includes a phase processing module and a signal sending module.

摘要翻译： 提供了一种用于在单个频率网络中发送MBMS的方法，系统和基站。 该方法包括：通过RNC将MBMS数据发送到目标小区或扇区的基站，将相同的时间和频率资源，扰码和中间码分配给小区或扇区以发送MBMS数据，发送分布式 资源，扰码和中间码到目标小区或扇区的基站和UE; 并且通过每个基站旋转要由随机相位发送的MBMS突发信号，使用RNC分发的时间和频率资源向UE发送旋转的信号。 该系统包括RNC，基站和UE，并且每个基站包括相位处理模块和信号发送模块。

公开(公告)号：US20090010228A1

公开(公告)日：2009-01-08

申请号：US12066176

申请日：2006-09-07

申请人： Yingmin Wang ,  Shiyan Ren ,  Jinling Hu

发明人： Yingmin Wang ,  Shiyan Ren ,  Jinling Hu

IPC分类号： H04B7/216

CPC分类号： H04L25/0212 ,  H04B1/7105 ,  H04B2201/70702 ,  H04W16/14 ,  H04W24/00 ,  H04W74/04 ,  H04W88/08

摘要： The present invention discloses a method for suppressing cross-slot interference in a time-slotted CDMA system. The method includes: determining, by a base station, positions of cross slots according to configuration information of local cell and configuration information of co-frequency adjacent cells, and performing multi-cell channel estimation on the cross slots to obtain channel estimation results; determining, by the base station, code channel configuration information of the co-frequency adjacent cells, grouping the determined code channels and determining the code channels of the co-frequency adjacent cells involved in a joint detection; and performing, by the base station, the joint detection according to the multi-cell information estimation results and the determined code channels of the base stations involved in the joint detection to obtain detection data. With the present invention, interference from a base station transmitting downlink signals in cross slots to a base station receiving uplink signals in the corresponding slot may be reduced, and the system capacity and the stability may be improved.

摘要翻译： 本发明公开了一种用于抑制时隙CDMA系统中的交叉时隙干扰的方法。 该方法包括：基站根据本地小区的配置信息和同频相邻小区的配置信息确定交叉时隙的位置，并对交叉时隙进行多小区信道估计，得到信道估计结果; 由所述基站确定所述同频相邻小区的码信道配置信息，对所确定的码信道进行分组，并确定共同检测中所涉及的同频相邻小区的码信道; 并且由基站执行根据所述多小区信息估计结果的联合检测和所述联合检测中涉及的所述基站的所确定的代码信道，以获得检测数据。 利用本发明，可以减少从交叉时隙发送下行链路信号到在相应时隙中接收上行链路信号的基站的基站的干扰，并且可以提高系统容量和稳定性。

公开(公告)号：US20050286613A1

公开(公告)日：2005-12-29

申请号：US11181687

申请日：2005-07-14

申请人： Yingmin Wang ,  Shiyan Ren

发明人： Yingmin Wang ,  Shiyan Ren

IPC分类号： H04B1/712 ,  H04J3/00 ,  H04J13/00 ,  H04B1/707

CPC分类号： H04B1/7107 ,  H04B1/7113 ,  H04B2001/71077

摘要： A channel estimation method for multiple code-sets in a time-slotted CDMA system. The method includes: A) performing a single code-set channel estimation of the received signal of each code-set, respectively, to obtain an original channel estimation, and deciding whether the desired number of iterations is reached; if yes, outputting each single code-set channel estimate; otherwise, going to Step B; B) performing limited time decision for the original channel estimates, retaining taps of channel estimation that meet a certain condition, recovering the interference caused by the response of each code-set using the tap values; canceling the interference caused by the response of other code-sets in the received signal of each code-set to obtain a clean signal of each code-set; taking the clean signal of each code-set as the said received signal of each code-set; and returning to Step A. The method solves the channel estimation problem caused by response signals of multiple code-sets and improves performance of single-code-set channel estimation.

摘要翻译： 一种用于时隙CDMA系统中的多个码集的信道估计方法。 该方法包括：A）分别执行每个码集的接收信号的单个码集信道估计，以获得原始信道估计，并确定是否达到所需的迭代次数; 如果是，则输出每个单个码集信道估计; 否则，进入步骤B; B）对原始信道估计执行有限的时间决定，保持符合特定条件的信道估计的抽头，利用抽头值恢复由每个码集的响应引起的干扰; 消除由每个码集的接收信号中的其他码集的响应引起的干扰，以获得每个码集的干净信号; 取每个码集的干净信号作为每个码集的所述接收信号; 并返回到步骤A.该方法解决了由多个码集的响应信号引起的信道估计问题，提高了单码集信道估计的性能。

公开(公告)号：US07433387B2

公开(公告)日：2008-10-07

申请号：US11181687

申请日：2005-07-14

申请人： Yingmin Wang ,  Shiyan Ren

发明人： Yingmin Wang ,  Shiyan Ren

IPC分类号： H04B1/00

CPC分类号： H04B1/7107 ,  H04B1/7113 ,  H04B2001/71077

摘要： A channel estimation method for multiple code-sets in a time-slotted CDMA system. The method includes: A) performing a single code-set channel estimation of the received signal of each code-set, respectively, to obtain an original channel estimation, and deciding whether the desired number of iterations is reached; if yes, outputting each single code-set channel estimate; otherwise, going to Step B; B) performing limited time decision for the original channel estimates, retaining taps of channel estimation that meet a certain condition, recovering the interference caused by the response of each code-set using the tap values; canceling the interference caused by the response of other code-sets in the received signal of each code-set to obtain a clean signal of each code-set; taking the clean signal of each code-set as the said received signal of each code-set; and returning to Step A. The method solves the channel estimation problem caused by response signals of multiple code-sets and improves performance of single-code-set channel estimation.

摘要翻译： 一种用于时隙CDMA系统中的多个码集的信道估计方法。 该方法包括：A）分别执行每个码集的接收信号的单个码集信道估计，以获得原始信道估计，并确定是否达到所需的迭代次数; 如果是，则输出每个单个码集信道估计; 否则，进入步骤B; B）对原始信道估计执行有限的时间决定，保持符合特定条件的信道估计的抽头，利用抽头值恢复由每个码集的响应引起的干扰; 消除由每个码集的接收信号中的其他码集的响应引起的干扰，以获得每个码集的干净信号; 取每个码集的干净信号作为每个码集的所述接收信号; 并返回到步骤A.该方法解决了由多个码集的响应信号引起的信道估计问题，提高了单码集信道估计的性能。

公开(公告)号：US20080123611A1

公开(公告)日：2008-05-29

申请号：US11663789

申请日：2005-09-22

申请人： Yingmin Wang ,  Nan Zhong ,  Shiyan Ren ,  Ning Liu

发明人： Yingmin Wang ,  Nan Zhong ,  Shiyan Ren ,  Ning Liu

IPC分类号： H04B7/216

CPC分类号： H04B1/7103 ,  H04B1/7105 ,  H04B1/7107 ,  H04B2201/70702 ,  H04L25/0208

摘要： The present invention is directed to a multicell joint detection method, it deals against the interference between same frequency neighbouring cell's signals in slotted CDMA system, and provides a joint detection method based on the multicell structure information. The method includes the steps of: using channel estimation of multi-set of codes to obtain channel estimation results of each neighbouring cell; grouping each neighbouring cell's code channel, including grouping based on the code channel's cell, grouping based on the code channnel's power or amplitude intensity, grouping based on the code channel's pertinence, and mixed grouping based on the above methods; making use of the channel estimationation result and the result of code channel grouping to process the joint detection and output the detection data. This method makes full use of the structure information of each multicells signal, and efficiently restrains the multiple-access interference of the same frequency neighbouring cell. This method can be used in slotted CDMA system or wireless communicataion system with similar signal structurel.

摘要翻译： 本发明涉及一种多单元联合检测方法，其针对时隙CDMA系统中的相同频率相邻小区的信号之间的干扰，并提供基于多单元结构信息的联合检测方法。 该方法包括以下步骤：使用多组码的信道估计来获得每个相邻小区的信道估计结果; 对每个相邻小区的代码信道进行分组，包括基于代码信道的小区进行分组，基于代码信道的功率或振幅强度进行分组，基于代码信道的相关性进行分组，以及基于上述方法的混合分组; 利用信道估计结果和码信道分组的结果来处理联合检测并输出检测数据。 该方法充分利用了每个多信号信号的结构信息，有效地抑制了相同频率邻近小区的多址干扰。 该方法可用于具有相似信号结构的时隙CDMA系统或无线通信系统。

公开(公告)号：US08023486B2

公开(公告)日：2011-09-20

申请号：US11663789

申请日：2005-09-22

申请人： Yingmin Wang ,  Nan Zhong ,  Shiyan Ren ,  Ning Liu

发明人： Yingmin Wang ,  Nan Zhong ,  Shiyan Ren ,  Ning Liu

IPC分类号： H04B7/216

CPC分类号： H04B1/7103 ,  H04B1/7105 ,  H04B1/7107 ,  H04B2201/70702 ,  H04L25/0208

摘要： The present invention is directed to a multicell joint detection method, it deals against the interference between same frequency neighboring cell's signals in slotted CDMA system, and provides a joint detection method based on the multicell structure information. The method includes the steps of: using channel estimation of multi-set of codes to obtain channel estimation results of each neighboring cell; grouping each neighboring cell's code channel, including grouping based on the code channel's cell, grouping based on the code channnel's power or amplitude intensity, grouping based on the code channel's pertinence, and mixed grouping based on the above methods; making use of the channel estimation result and the result of code channel grouping to process the joint detection and output the detection data. This method makes full use of the structure information of each multicells signal, and efficiently restrains the multiple-access interference of the same frequency neighboring cell. This method can be used in slotted CDMA system or wireless communicataion system with similar signal structure.

摘要翻译： 本发明涉及一种多单元联合检测方法，其针对时隙CDMA系统中的相同频率相邻小区的信号之间的干扰，并提供基于多单元结构信息的联合检测方法。 该方法包括以下步骤：使用多组码的信道估计来获得每个相邻小区的信道估计结果; 对每个相邻小区的代码信道进行分组，包括基于代码信道的小区进行分组，基于代码信道的功率或振幅强度进行分组，基于代码信道的相关性分组，以及基于上述方法的混合分组; 利用信道估计结果和码信道分组的结果来处理联合检测并输出检测数据。 该方法充分利用了每个多信号信号的结构信息，有效地抑制了相同频率邻近小区的多址干扰。 该方法可用于具有相似信号结构的时隙CDMA系统或无线通信系统。

公开(公告)号：US07978624B2

公开(公告)日：2011-07-12

申请号：US12066176

申请日：2006-09-07

申请人： Yingmin Wang ,  Shiyan Ren ,  Jinling Hu

发明人： Yingmin Wang ,  Shiyan Ren ,  Jinling Hu

IPC分类号： H04W4/00 ,  H04W28/00

CPC分类号： H04L25/0212 ,  H04B1/7105 ,  H04B2201/70702 ,  H04W16/14 ,  H04W24/00 ,  H04W74/04 ,  H04W88/08

摘要： The present invention discloses a method for suppressing cross-slot interference in a time-slotted CDMA system. The method includes: determining, by a base station, positions of cross slots according to configuration information of local cell and configuration information of co-frequency adjacent cells, and performing multi-cell channel estimation on the cross slots to obtain channel estimation results; determining, by the base station, code channel configuration information of the co-frequency adjacent cells, grouping the determined code channels and determining the code channels of the co-frequency adjacent cells involved in a joint detection; and performing, by the base station, the joint detection according to the multi-cell information estimation results and the determined code channels of the base stations involved in the joint detection to obtain detection data. With the present invention, interference from a base station transmitting downlink signals in cross slots to a base station receiving uplink signals in the corresponding slot may be reduced, and the system capacity and the stability may be improved.

摘要翻译： 本发明公开了一种用于抑制时隙CDMA系统中的交叉时隙干扰的方法。 该方法包括：基站根据本地小区的配置信息和同频相邻小区的配置信息确定交叉时隙的位置，并对交叉时隙进行多小区信道估计，得到信道估计结果; 由所述基站确定所述同频相邻小区的码信道配置信息，对所确定的码信道进行分组，并确定共同检测中所涉及的同频相邻小区的码信道; 并且由基站执行根据所述多小区信息估计结果的联合检测和所述联合检测中涉及的所述基站的所确定的代码信道，以获得检测数据。 利用本发明，可以减少从交叉时隙发送下行链路信号到在相应时隙中接收上行链路信号的基站的基站的干扰，并且可以提高系统容量和稳定性。

公开(公告)号：US09137779B2

公开(公告)日：2015-09-15

申请号：US12598130

申请日：2008-04-24

申请人： Xuelong Wang ,  Yu Ding ,  Lei Mao ,  Shiyan Ren

发明人： Xuelong Wang ,  Yu Ding ,  Lei Mao ,  Shiyan Ren

IPC分类号： H04W72/00 ,  H04W40/00 ,  H04J3/00 ,  H04B7/08

CPC分类号： H04W72/005 ,  H04B7/08 ,  H04J3/00 ,  H04W40/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1226 ,  Y02D70/1242 ,  Y02D70/24

摘要： The present invention discloses a MBMS dedicated carrier configuration method, including: at least one of MBMS dedicated carriers in a cell is chose and assigned MBMS control information of all MBMS dedicated carriers and MBMS system information; and frequency information and scrambling code group ID information of at least one MBMS dedicated carriers assigned bundling information is assigned to conventional service carriers in the cell. The present invention also discloses a device for realizing said method and a MBMS transmission method based on dedicated carriers assigned the bundling information. The present invention realizes MBMS bundling on the dedicated carriers, and UE can receive services by directly sensing the carriers bearing control signaling, and thus it can reduce meaningless switching sense by the UE and save power.

摘要翻译： 本发明公开了一种MBMS专用载波配置方法，包括：选择小区中的MBMS专用载波中的至少一个，并分配所有MBMS专用载波和MBMS系统信息的MBMS控制信息; 并且分配了捆绑信息的至少一个MBMS专用载波的频率信息和扰码组ID信息被分配给小区中的常规服务载波。 本发明还公开了一种用于实现所述方法的设备和基于分配了捆绑信息的专用载波的MBMS传输方法。 本发明实现专用载波上的MBMS捆绑，并且UE可以通过直接感知承载控制信令的载波来接收业务，从而可以减少UE的无意义的交换感觉并节省功率。

公开(公告)号：US20100278090A1

公开(公告)日：2010-11-04

申请号：US12679367

申请日：2008-09-18

申请人： Shiyan Ren ,  Yu Ding ,  Lei Mao

发明人： Shiyan Ren ,  Yu Ding ,  Lei Mao

IPC分类号： H04W40/00

CPC分类号： H04W56/005 ,  H04L12/189 ,  H04W72/005

摘要： An access method of MBMS on dedicated carrier relates to MBMS access technology on dedicated carrier, including: synchronize a user equipment to a MBMS dedicated carrier; the user equipment detects a start-frame of system message on the MBMS dedicated carrier; and the terminal monitors the system message from the start-frame of system message. An apparatus of realizing the method is also provided.

摘要翻译： 专用载波上MBMS的接入方式涉及专用载波上的MBMS接入技术，包括：将用户设备同步到MBMS专用载波; 用户设备在MBMS专用载波上检测系统消息的起始帧; 终端从系统消息的起始帧监视系统消息。 还提供了一种实现该方法的装置。