公开(公告)号：US07697569B2

公开(公告)日：2010-04-13

申请号：US11916186

申请日：2006-06-02

申请人： Feng Li ,  Yingmin Wang ,  Nan Zhong ,  Guiliang Yang

发明人： Feng Li ,  Yingmin Wang ,  Nan Zhong ,  Guiliang Yang

IPC分类号： H04J13/00

CPC分类号： H04L25/0228 ,  H04B1/7107 ,  H04L25/0204

摘要： A multi-code-set channel estimation method in a time-slot CDMA system having steps of: A. performing uni-code-set channel estimations and obtaining channel estimation result; B. extracting a maximum interference tap from the channel estimation result; C. reproducing interference components suffered respectively by response signals corresponding respectively to the plurality of code-sets from the maximum interference tap; D. canceling the interference components, and obtaining a pure channel estimation result of a signal corresponding to each code-set; E. determining whether a predetermined number of iterations has been performed, if so, outputting the result of each uni-code-set channel estimation; otherwise, taking the pure channel estimation result of the signal corresponding to each code-set as the channel estimation result of the code-set to be processed in the next iteration, and returning to step B. Due to the present invention, a multi-code-set joint channel estimation with high performance can be implemented simply and effectively.

摘要翻译： 一种具有以下步骤的时隙CDMA系统中的多码集信道估计方法：A.执行单码组信道估计并获得信道估计结果; B.从信道估计结果中提取最大干扰抽头; C.分别通过来自最大干扰抽头分别对应于多个代码集的响应信号来再现干扰分量; D.消除干扰分量，并获得与每个码集相对应的信号的纯信道估计结果; E.确定是否已经执行了预定数量的迭代，如果是，则输出每个单码组信道估计的结果; 否则，将与每个码集相对应的信号的纯信道估计结果作为要在下一次迭代中处理的码集的信道估计结果，并返回到步骤B.由于本发明， 具有高性能的码集联合信道估计可以简单有效地实现。

公开(公告)号：US07944903B2

公开(公告)日：2011-05-17

申请号：US11916196

申请日：2006-05-17

申请人： Yingmin Wang ,  Nan Zhong

发明人： Yingmin Wang ,  Nan Zhong

IPC分类号： H04B7/216

CPC分类号： H04B1/7105 ,  H04B2201/70702 ,  H04L25/0204

摘要： A multi-cell joint-detection method in a time-slotted CDMA system includes: performing a multiple code set channel estimation on received signal data and obtaining channel estimation results of a home cell and of neighboring cells; adjusting the channel estimation results of the home cell and/or neighboring cells or the estimation result of a combined channel response according to a comparative delay difference between signals of users in different cells; and performing a joint-detection according to the estimation result of the combined channel response obtained by adjusting the channel estimation results of the users in different cells or according to the estimation result of the combined channel response. The MAI between neighboring universal-frequency cells having comparative delays and especially large comparative delays is greatly suppressed and the performance of the time-slotted CDMA system when working in neighboring universal-frequency cells is improved.

摘要翻译： 时隙CDMA系统中的多小区联合检测方法包括：对接收到的信号数据执行多码集信道估计，并获得家庭小区和相邻小区的信道估计结果; 根据不同小区中的用户信号之间的比较延迟差来调整家庭小区和/或相邻小区的信道估计结果或组合信道响应的估计结果; 以及根据通过调整不同小区中的用户的信道估计结果而获得的组合信道响应的估计结果，或根据组合信道响应的估计结果，进行联合检测。 具有相对延迟和特别大的比较延迟的相邻通用频率小区之间的MAI被大大抑制，并且在相邻通用频率小区中工作时时隙CDMA系统的性能得到改善。

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：US20080310455A1

公开(公告)日：2008-12-18

申请号：US11916186

申请日：2006-06-02

申请人： Feng Li ,  Yingmin Wang ,  Nan Zhong ,  Guiliang Yang

发明人： Feng Li ,  Yingmin Wang ,  Nan Zhong ,  Guiliang Yang

IPC分类号： H04J13/00

CPC分类号： H04L25/0228 ,  H04B1/7107 ,  H04L25/0204

摘要： A multi-code-set channel estimation method in a time-slot CDMA system having steps of: A. performing uni-code-set channel estimations and obtaining channel estimation result; B. extracting a maximum interference tap from the channel estimation result; C. reproducing interference components suffered respectively by response signals corresponding respectively to the plurality of code-sets from the maximum interference tap; D. canceling the interference components, and obtaining a pure channel estimation result of a signal corresponding to each code-set; E. determining whether a predetermined number of iterations has been performed, if so, outputting the result of each uni-code-set channel estimation; otherwise, taking the pure channel estimation result of the signal corresponding to each code-set as the channel estimation result of the code-set to be processed in the next iteration, and returning to step B. Due to the present invention, a multi-code-set joint channel estimation with high performance can be implemented simply and effectively.

摘要翻译： 一种具有以下步骤的时隙CDMA系统中的多码集信道估计方法：A.执行单码组信道估计并获得信道估计结果; B.从信道估计结果中提取最大干扰抽头; C.分别通过来自最大干扰抽头分别对应于多个代码集的响应信号来再现干扰分量; D.消除干扰分量，并获得与每个码集相对应的信号的纯信道估计结果; E.确定是否已经执行了预定数量的迭代，如果是，则输出每个单码组信道估计的结果; 否则，将与每个码集相对应的信号的纯信道估计结果作为要在下一次迭代中处理的码集的信道估计结果，并返回到步骤B.由于本发明， 具有高性能的码集联合信道估计可以简单有效地实现。

公开(公告)号：US20080273511A1

公开(公告)日：2008-11-06

申请号：US11916196

申请日：2006-05-17

申请人： Yingmin Wang ,  Nan Zhong

发明人： Yingmin Wang ,  Nan Zhong

IPC分类号： H04B7/216

CPC分类号： H04B1/7105 ,  H04B2201/70702 ,  H04L25/0204

摘要： A multi-cell joint-detection method in a time-slotted CDMA system includes: performing a multiple code set channel estimation on received signal data and obtaining channel estimation results of a home cell and of neighboring cells; adjusting the channel estimation results of the home cell and/or neighboring cells or the estimation result of a combined channel response according to a comparative delay difference between signals of users in different cells; and performing a joint-detection according to the estimation result of the combined channel response obtained by adjusting the channel estimation results of the users in different cells or according to the estimation result of the combined channel response. The MAI between neighboring universal-frequency cells having comparative delays and especially large comparative delays is greatly suppressed and the performance of the time-slotted CDMA system when working in neighboring universal-frequency cells is improved.

摘要翻译： 时隙CDMA系统中的多小区联合检测方法包括：对接收到的信号数据执行多码集信道估计，并获得家庭小区和相邻小区的信道估计结果; 根据不同小区中的用户信号之间的比较延迟差来调整家庭小区和/或相邻小区的信道估计结果或组合信道响应的估计结果; 以及根据通过调整不同小区中的用户的信道估计结果而获得的组合信道响应的估计结果，或根据组合信道响应的估计结果，进行联合检测。 具有相对延迟和特别大的比较延迟的相邻通用频率小区之间的MAI被大大抑制，并且在相邻通用频率小区中工作时时隙CDMA系统的性能得到改善。

公开(公告)号：US08300592B2

公开(公告)日：2012-10-30

申请号：US12682444

申请日：2008-10-07

申请人： Shaohui Sun ,  Yingmin Wang ,  Hai Tang ,  Yuemin Cai

发明人： Shaohui Sun ,  Yingmin Wang ,  Hai Tang ,  Yuemin Cai

IPC分类号： H04W72/04

CPC分类号： H04L5/0007 ,  H04L5/0016 ,  H04L5/0044 ,  H04L5/0051 ,  H04L27/2613

摘要： A signal transmission method, which includes: each data symbol needing to be transmitted is weighted and repeatedly extended to obtain the extended data symbol of each data symbol; the extended data symbol of each data symbol and the pilot frequency symbol are modulated and mapped to the specified time-frequency locations of each corresponding block repeat resource block to obtain each corresponding repeat data unit block; each repeat data unit block is transmitted. A signal transmission device is also disclosed in the present invention.

摘要翻译： 一种信号传输方法，包括：需要发送的每个数据符号被加权并重复扩展以获得每个数据符号的扩展数据符号; 将每个数据符号的扩展数据符号和导频信号符号调制并映射到每个对应的块重复资源块的指定时频位置，以获得每个对应的重复数据单元块; 每个重复数据单元块被发送。 本发明还公开了信号传输装置。

公开(公告)号：US08259642B2

公开(公告)日：2012-09-04

申请号：US12531589

申请日：2008-03-07

申请人： Changguo Sun ,  Yingmin Wang ,  Shiqiang Suo ,  Shaohui Sun

发明人： Changguo Sun ,  Yingmin Wang ,  Shiqiang Suo ,  Shaohui Sun

IPC分类号： H04B7/204 ,  H04B7/216 ,  H04B7/212 ,  H03K9/00 ,  H04L27/06 ,  H03D1/04

CPC分类号： H04B7/0452 ,  H04B7/0617 ,  H04B7/0697 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0062

摘要： A method for realizing space division multiplexing is provided. The method comprises steps as follows: A. acquiring space information of users, and calculating space division isolation between the users based on the acquired space information; B. generating a set of user groups for the space division multiplexing based on the space division isolation between users calculated in step A; C. selecting a user group from the set of user groups for the space division multiplexing generated in step B and allocating the same physical resource to two users among the selected user group when conducting the space division multiplexing. An apparatus for realizing space division multiplexing is further provided. Using said method and apparatus, the space division isolation can be realized reasonably with accuracy.

摘要翻译： 提供一种实现空分复用的方法。 该方法包括以下步骤：A.获取用户的空间信息，并基于所获取的空间信息计算用户之间的空分隔离; B.基于在步骤A中计算的用户之间的空分隔离生成用于空分多路复用的一组用户组; C.从用户组集合中选择用于在步骤B中生成的空分多路复用的用户组，并且在进行空分复用时，在所选择的用户组中向相同的物理资源分配相同的物理资源。 还提供了一种用于实现空分复用的装置。 使用所述方法和装置，可以准确地合理地实现空间隔离。

公开(公告)号：US08072932B2

公开(公告)日：2011-12-06

申请号：US12161310

申请日：2007-01-04

申请人： Shaohui Sun ,  Yingmin Wang ,  Libo Wang ,  Hai Bi

发明人： Shaohui Sun ,  Yingmin Wang ,  Libo Wang ,  Hai Bi

IPC分类号： H04Q7/00

CPC分类号： H04L5/023 ,  H04L5/0007 ,  H04L5/006 ,  H04W74/006 ,  H04W74/0866

摘要： A method for physical layer random access in wideband TDD mobile communication system is disclosed, and the method comprises: receiving the system broadcast message of the cell, obtaining the configuration information of the frequency band in frequency domain in the UpPTS time slot of the cell; and the terminal sends random access sequences to the BS in the UpPTS time slot according to the configuration information of the frequency band in the UpPTS time slot. The configuration information of the frequency band in frequency domain in the UpPTS time slot comprises the information about the frequency band number that the total bandwidth used is divided in the UpPTS time slot, the information about the bandwidth size of each frequency band, and the information about the position of the frequency point. Phod, device and terminal for physical layer random access in wideband TDD mobile communication system provided in the present invention can use the frequency bands whose time slots are different to perform network access, which can reduce the competition and collision probability when sending random access sequences, and can realize an efficient random access procedure.

摘要翻译： 公开了一种宽带TDD移动通信系统中物理层随机接入的方法，该方法包括：接收小区的系统广播消息，获取小区UpPTS时隙频域中频带的配置信息; 并且终端根据UpPTS时隙中的频带的配置信息在UpPTS时隙中向BS发送随机接入序列。 UpPTS时隙中的频域中的频带的配置信息包括关于在UpPTS时隙中分配所使用的总带宽的频带数，关于每个频带的带宽大小的信息以及信息 关于频率点的位置。 本发明提供的宽带TDD移动通信系统中的物理层随机接入的设备和终端可以使用时隙不同的频带来执行网络接入，这可以在发送随机接入序列时降低竞争和冲突概率， 并可实现有效的随机存取程序。

公开(公告)号：US07860058B2

公开(公告)日：2010-12-28

申请号：US12088533

申请日：2006-09-12

申请人： Shiqiang Suo ,  Shaohui Sun ,  Yingmin Wang

发明人： Shiqiang Suo ,  Shaohui Sun ,  Yingmin Wang

IPC分类号： H04W4/00 ,  H04J3/00 ,  H04J4/00 ,  H04B3/10 ,  H04L12/43

CPC分类号： H04L27/261 ,  H04B7/2653 ,  H04L5/005 ,  H04L5/0091

摘要： The present invention discloses a method for inserting a downlink common pilot in a TDD system and more particularly to a method for inserting a downlink common pilot in a TDD system based on OFDMA technology and the method includes two steps. A: data to be transmitted are divided into several segments to be transmitted in several continuous time periods, wherein each time period includes several slots with at least one downlink slot; B: a common pilot is inserted in one downlink slot in the time period. Therefore, the scheduling based on the frequency domain can be achieved by measuring the common pilot channel.

摘要翻译： 本发明公开了一种用于在TDD系统中插入下行链路公共导频的方法，更具体地说，涉及一种基于OFDMA技术在TDD系统中插入下行链路公共导频的方法，该方法包括两个步骤。 A：要发送的数据被划分成若干段以在几个连续的时间段内发送，其中每个时间段包括具有至少一个下行链路时隙的若干时隙; B：在该时间段内的一个下行链路时隙中插入公共导频。 因此，可以通过测量公共导频信道来实现基于频域的调度。