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1. 发明申请

US20090122730A1 TDD system based cell handoff method and user equipment 有权
标题翻译：基于TDD系统的小区切换方法和用户设备
公开(公告)号：US20090122730A1
公开(公告)日：2009-05-14
申请号：US11916502
申请日：2006-04-20
申请人： Guiliang Yang , Yuanxin Qiao , Feng Li , Na Wu
发明人： Guiliang Yang , Yuanxin Qiao , Feng Li , Na Wu
IPC分类号： H04J3/00
CPC分类号： H04W36/30 , Y02D70/00
摘要： The present invention discloses a cell handoff method and a user equipment based on a TDD system. The method includes: step A. a UE measures received pilot channels of a source cell and a neighboring cell according to a measurement control message and reports measurement result to a RNC; step B. the RNC, determines whether a target cell to be subject to a cell handoff process has available resources at a time slot different from that of the source cell and if yes, transmits a cell handoff command to the UE, allocates available resources for the UE in the target cell and transmits traffic carrier data of the UE to the source cell and the target cell respectively; and step C. after receiving the cell handoff command, the UE communicates with the source cell and the target cell at a same frame and at same time according to the allocated available resources. According to the handoff method of the present invention, UE can more reliably receive the handoff control command transmitted by the RNC and during the handoff process, the transmission power and interference are reduced so that the reliable handoff of a UE is guaranteed and the system performance is improved.
摘要翻译：本发明公开了一种基于TDD系统的小区切换方法和用户设备。该方法包括：步骤A，UE根据测量控制消息测量源小区和相邻小区的接收导频信道，并将测量结果报告给RNC; 步骤B. RNC确定要进行小区切换过程的目标小区是否具有与源小区不同的时隙的可用资源，如果是，则向UE发送小区切换命令，为目标小区中的UE，并且将UE的业务载波数据分别发送到源小区和目标小区; 和步骤C.在接收到小区切换命令之后，UE根据所分配的可用资源，在相同的帧并且同时与源小区和目的小区进行通信。根据本发明的切换方法，UE可以更可靠地接收由RNC发送的切换控制命令，并且在切换过程期间，降低发射功率和干扰，从而保证UE的可靠切换，并且系统性能改进了

2. 发明授权

US07978634B2 TDD system based cell handoff method and user equipment 有权
标题翻译：基于TDD系统的小区切换方法和用户设备
公开(公告)号：US07978634B2
公开(公告)日：2011-07-12
申请号：US11916502
申请日：2006-04-20
申请人： Guiliang Yang , Yuanxin Qiao , Feng Li , Na Wu
发明人： Guiliang Yang , Yuanxin Qiao , Feng Li , Na Wu
IPC分类号： H04J3/00
CPC分类号： H04W36/30 , Y02D70/00
摘要： The present invention discloses a cell handoff method and a UE based on a TDD system. A UE measures received pilot channels of a source cell and a neighboring cell according to a measurement control message and reports measurement result to a RNC. The RNC, determines whether a target cell to be subject to a cell handoff process has available resources at a time slot different from that of the source cell and if yes, transmits a cell handoff command to the UE, allocates available resources for the UE in the target cell and transmits traffic carrier data of the UE to the source cell and the target cell respectively. After receiving the cell handoff command, the UE communicates with the source cell and the target cell at a same frame and at same time according to the allocated available resources.
摘要翻译：本发明公开了一种基于TDD系统的小区切换方法和UE。 UE根据测量控制消息测量源小区和相邻小区的接收导频信道，并向RNC报告测量结果。 RNC确定要进行小区切换过程的目标小区是否具有与源小区不同的时隙的可用资源，如果是，则向UE发送小区切换命令，为UE分配可用资源目标小区，并且将UE的业务载波数据分别发送到源小区和目标小区。在接收到小区切换命令之后，UE根据所分配的可用资源，在相同的帧并且同时与源小区和目的小区进行通信。

3. 发明授权

US07899014B2 Method for determining user channel impulse response in TD-SCDMA system 有权
标题翻译： TD-SCDMA系统中确定用户信道脉冲响应的方法
公开(公告)号：US07899014B2
公开(公告)日：2011-03-01
申请号：US11915049
申请日：2006-04-26
申请人： Feng Li , Guiliang Yang , Yuanxin Qiao , Tiezhu Xu
发明人： Feng Li , Guiliang Yang , Yuanxin Qiao , Tiezhu Xu
IPC分类号： H04W4/00 , H04B7/216 , H04B1/00
CPC分类号： H04B1/7105 , H04L5/0003 , H04L25/0212 , H04L25/03006
摘要： The present invention discloses a method for determining user channel impulse response in the TD-SCDMA system, including: setting one or more than one synchronous ID code and establishing corresponding relations between channel estimation parameters of each user and the synchronous ID code and a sub-frame number of a sub-frame transmitting the synchronous ID code; transmitting, by each user, a corresponding synchronous ID code in a sub-frame identified by a sub-frame number corresponding to channel estimation parameters according to the relations established in step A, wherein timing advance of transmitting the synchronous ID code is the same with that of transmitting uplink service data of the user; at Node B, continuing to detect whether there is the synchronous ID code in received signals, if there is one or more than one synchronous ID code, determining the channel estimation parameters of the user transmitting the synchronous ID code according to the detected synchronous ID code, sub-frame number of the current sub-frame and the corresponding relations established in step A; and at Node B, computing the channel impulse response of the user according to the determined channel estimation parameters and arriving time of the detected synchronous ID code.
摘要翻译：本发明公开了一种在TD-SCDMA系统中确定用户信道脉冲响应的方法，包括：设置一个或多个同步ID码，并建立每个用户的信道估计参数与同步ID码之间的对应关系，发送同步ID码的子帧的帧号; 根据步骤A中建立的关系，由每个用户发送由对应于信道估计参数的子帧号标识的子帧中的对应同步ID码，其中发送同步ID码的定时提前与发送用户的上行业务数据; 在节点B处，如果存在一个或多个同步ID码，则继续检测接收到的信号中是否存在同步ID码，根据检测到的同步ID码确定用户发送同步ID码的信道估计参数，当前子帧的子帧号和步骤A中建立的对应关系; 并且在节点B处，根据确定的信道估计参数和检测到的同步ID码的到达时间来计算用户的信道脉冲响应。

4. 发明申请

US20080259892A1 Method for Determining User Channel Impulse Response in Td-Scdma System 有权
标题翻译：确定Td-Scdma系统中用户通道脉冲响应的方法
公开(公告)号：US20080259892A1
公开(公告)日：2008-10-23
申请号：US11915049
申请日：2006-04-26
申请人： Feng Li , Guiliang Yang , Yuanxin Qiao , Tiezhu Xu
发明人： Feng Li , Guiliang Yang , Yuanxin Qiao , Tiezhu Xu
IPC分类号： H04B7/216
CPC分类号： H04B1/7105 , H04L5/0003 , H04L25/0212 , H04L25/03006
摘要： The present invention discloses a method for determining user channel impulse response in the TD-SCDMA system, including: setting one or more than one synchronous ID code and establishing corresponding relations between channel estimation parameters of each user and the synchronous ID code and a sub-frame number of a sub-frame transmitting the synchronous ID code; transmitting, by each user, a corresponding synchronous ID code in a sub-frame identified by a sub-frame number corresponding to channel estimation parameters according to the relations established in step A, wherein timing advance of transmitting the synchronous ID code is the same with that of transmitting uplink service data of the user; at Node B, continuing to detect whether there is the synchronous ID code in received signals, if there is one or more than one synchronous ID code, determining the channel estimation parameters of the user transmitting the synchronous ID code according to the detected synchronous ID code, sub-frame number of the current sub-frame and the corresponding relations established in step A; and at Node B, computing the channel impulse response of the user according to the determined channel estimation parameters and arriving time of the detected synchronous ID code.
摘要翻译：本发明公开了一种在TD-SCDMA系统中确定用户信道脉冲响应的方法，包括：设置一个或多个同步ID码，并建立每个用户的信道估计参数与同步ID码之间的对应关系，发送同步ID码的子帧的帧号; 根据步骤A中建立的关系，由每个用户发送由对应于信道估计参数的子帧号标识的子帧中的对应同步ID码，其中发送同步ID码的定时提前与发送用户的上行业务数据; 在节点B处，如果存在一个或多个同步ID码，则继续检测接收到的信号中是否存在同步ID码，根据检测到的同步ID码确定用户发送同步ID码的信道估计参数，当前子帧的子帧号和步骤A中建立的对应关系; 并且在节点B处，根据确定的信道估计参数和检测到的同步ID码的到达时间来计算用户的信道脉冲响应。

5. 发明授权

US08089935B2 Method for performing a handoff in a telecommunication system 有权
标题翻译：在电信系统中执行切换的方法
公开(公告)号：US08089935B2
公开(公告)日：2012-01-03
申请号：US11958261
申请日：2007-12-17
申请人： Yingmin Wang , Guiliang Yang , Yuanxin Qiao
发明人： Yingmin Wang , Guiliang Yang , Yuanxin Qiao
IPC分类号： H04W4/00
CPC分类号： H04W36/30 , H04B1/7105
摘要： A method is disclosed for performing a handoff in a telecommunication system. The method comprises: performing a first multi-cell joint detection process for decoding the communications within the home cell when a mobile terminal enters a handoff region between a home cell and one or more neighboring cells; performing a handoff process when the mobile terminal is in the home cell to join a target neighboring cell; and performing a second multi-cell joint detection process for decoding the communications between the mobile terminal and the target neighboring cell. In this manner, decoding for uplink and/or downlink communications is improved, and throughout and performance of the telecommunication system is enhanced.
摘要翻译：公开了一种用于在电信系统中执行切换的方法。该方法包括：当移动终端进入家庭小区与一个或多个相邻小区之间的切换区域时，执行用于对家庭小区内的通信进行解码的第一多小区联合检测处理; 当移动终端在家庭小区中加入目标邻近小区时，执行切换过程; 以及执行用于解码所述移动终端与所述目标邻近小区之间的通信的第二多小区联合检测处理。以这种方式，提高了用于上行链路和/或下行链路通信的解码，并且提高了电信系统的整个和性能。

6. 发明申请

US20080102836A1 METHOD FOR PERFORMING A HANDOFF IN A TELECOMMUNICATION SYSTEM 有权
标题翻译：在电信系统中执行手机的方法
公开(公告)号：US20080102836A1
公开(公告)日：2008-05-01
申请号：US11958261
申请日：2007-12-17
申请人： Yingmin Wang , Guiliang Yang , Yuanxin Qiao
发明人： Yingmin Wang , Guiliang Yang , Yuanxin Qiao
IPC分类号： H04Q7/20
CPC分类号： H04W36/30 , H04B1/7105
摘要： A method is disclosed for performing a handoff in a telecommunication system. The method comprises: performing a first multi-cell joint detection process for decoding the communications within the home cell when a mobile terminal enters a handoff region between a home cell and one or more neighboring cells; performing a handoff process when the mobile terminal is in the home cell to join a target neighboring cell; and performing a second multi-cell joint detection process for decoding the communications between the mobile terminal and the target neighboring cell. In this manner, decoding for uplink and/or downlink communications is improved, and throughout and performance of the telecommunication system is enhanced.
摘要翻译：公开了一种用于在电信系统中执行切换的方法。该方法包括：当移动终端进入家庭小区与一个或多个相邻小区之间的切换区域时，执行用于对家庭小区内的通信进行解码的第一多小区联合检测处理; 当移动终端在家庭小区中加入目标邻近小区时执行切换过程; 以及执行用于解码所述移动终端与所述目标邻近小区之间的通信的第二多小区联合检测处理。以这种方式，提高了用于上行链路和/或下行链路通信的解码，并且提高了电信系统的整个和性能。

7. 发明申请

US20050266849A1 Method for establishing a time division and duplex self-organizing mobile communication system 审中-公开
标题翻译：建立时分双工自组织移动通信系统的方法
公开(公告)号：US20050266849A1
公开(公告)日：2005-12-01
申请号：US11129209
申请日：2005-05-12
申请人： Feng Li , Shihe Li , Guiliang Yang
发明人： Feng Li , Shihe Li , Guiliang Yang
IPC分类号： H04W8/00 , H04W84/18 , H04Q7/20
CPC分类号： H04W8/005 , H04W84/18
摘要： The present invention relates to a method for constructing a self-organizing mobile communication system which is mobile, self-organizing and can make common commercial terminals communicates with outside, comprising: searching for the pilot signals of adjacent area base stations in a manner similar to user terminals by a base station without direct connection to a base station controller, setting the local area covered by the base station as the next lower-level area of the adjacent area through responding to the pilot signals by the base station so as to form a subordinate relationship to the adjacent area; conducting relay communications by base stations at each above level, wherein the relay communication starting from a second or below-second-level area base station by a commercial user terminal covered by the second or below-second-level area base station, eventually establishing communications between the commercial user terminal and the base station controller in a public mobile communication system via a first-level area base station directly connected with the base station controller, and constructing a self-organizing mobile communication system by the base stations at each level. The method is especially applicable for constructing emergency communication systems.
摘要翻译：本发明涉及一种构建自组织移动通信系统的方法，该自组织移动通信系统是移动的，自组织的并且可以使公共商用终端与外部通信，包括：以类似于...的方式搜索相邻区域基站的导频信号用户终端，而不直接连接到基站控制器，通过响应基站的导频信号将基站所覆盖的本地区域设置为相邻区域的下一个较低级别的区域，以便形成与邻区的下属关系; 由上述级别的基站进行中继通信，其中，所述中继通信由第二级或低于二级的区域基站覆盖的商用用户终端从第二级或低于二级的区域基站开始，最终建立通信在通过与基站控制器直接连接的一级区域基站的公共移动通信系统中的商业用户终端与基站控制器之间，由各级的基站构建自组织移动通信系统。该方法特别适用于构建应急通信系统。

8. 发明授权

US08331247B2 Method for code channel allocation and method for multiuser detection in a wireless communication system 有权
标题翻译：用于无线通信系统中的用于多用户检测的码信道分配方法和方法
公开(公告)号：US08331247B2
公开(公告)日：2012-12-11
申请号：US11914358
申请日：2006-05-10
申请人： Feng Li , Guiliang Yang , Shaoli Kang
发明人： Feng Li , Guiliang Yang , Shaoli Kang
IPC分类号： G08C15/00
CPC分类号： H04J13/16 , H04J13/0044 , H04W8/005 , H04W24/00 , H04W72/0466
摘要： The present invention discloses a method for code channel allocation and related multiuser detection in a wireless communication system. The method for code channel allocation includes: establishing a relation between at least one channel estimation window and a channelization code, wherein the at least one channel estimation window corresponding to the channelization code includes the channel estimation windows corresponding to all the spread spectrum code branches of a node in which the channelization code exists; and performing code channel allocation according to the relation established. In the method for code channel allocation of the invention, there exists a one-to-many relation between the channelization code/channelization code number established and the at least one channel estimation window. Therefore, during the multiuser detection, the channelization code/channelization code number determined via the at least one channel estimation window activated is unique. Thereby, the efficiency of the multiuser detection process may be increased.
摘要翻译：本发明公开了一种用于无线通信系统中的码信道分配和相关多用户检测的方法。用于码信道分配的方法包括：建立至少一个信道估计窗口和信道化码之间的关系，其中对应于信道化码的至少一个信道估计窗口包括对应于所有扩频码分支的信道估计窗口存在信道化代码的节点; 并根据建立的关系执行代码信道分配。在本发明的编码信道分配方法中，在所建立的信道化码/信道化码数与至少一个信道估计窗口之间存在一对多的关系。因此，在多用户检测期间，通过激活的至少一个信道估计窗口确定的信道化码/信道化码号是唯一的。由此，可以提高多用户检测处理的效率。

9. 发明授权

US07697569B2 Multi-code-set channel estimation method in a time-slot CDMA system 有权
标题翻译：多时隙CDMA系统中的多码集信道估计方法
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。

10. 发明申请

US20080310372A1 Method for Estimating Direction-of-Arrival of Terminal in Multiple Co-Frequency Cells 有权
标题翻译：用于估计多个同频小区终端到达方向的方法
公开(公告)号：US20080310372A1
公开(公告)日：2008-12-18
申请号：US11914220
申请日：2006-04-30
申请人： Feng Li , Guiliang Yang , Nan Zhong
发明人： Feng Li , Guiliang Yang , Nan Zhong
IPC分类号： H04B7/216
CPC分类号： G01S3/74 , H04B1/7115
摘要： The present invention discloses a method for estimating DOA of a terminal in multiple co-frequency cells, including the steps of: A. obtaining a channel estimation result of at least one terminal expecting a calculation of DOA in an expecting co-frequency cell; B. performing a Direction-of-Arrival estimation for the expecting terminal in the expecting cell based on the channel estimation result through a DOA estimating method with a wave beam scan, a DOA estimating method with a maximum power path, or a DOA estimating method with a primary eigenvector. With the channel estimations of the multiple cells in the invention, accurate channel estimation results of the respective cells may be provided, from which the channel estimation result of the expecting terminal is selected.
摘要翻译：本发明公开了一种用于估计多个同频小区中的终端的DOA的方法，包括以下步骤：获得期望的同频小区中期望的DOA计算的至少一个终端的信道估计结果; B.通过具有波束扫描的DOA估计方法，具有最大功率路径的DOA估计方法或DOA估计方法，基于所述信道估计结果来执行预期小区中期望终端的到达方向估计具有主要特征向量。利用本发明的多个小区的信道估计，可以提供各个小区的准确的信道估计结果，从中选择期望终端的信道估计结果。

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