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1. 发明授权

US08180354B2 Method for allocating radio resource in multi-carrier time division duplex mobile communication system 有权
标题翻译：在多载波时分双工移动通信系统中分配无线电资源的方法
公开(公告)号：US08180354B2
公开(公告)日：2012-05-15
申请号：US11662724
申请日：2005-09-12
申请人： Feng Li , Shihe Li , Yusong He , Guiliang Yang
发明人： Feng Li , Shihe Li , Yusong He , Guiliang Yang
IPC分类号： H04W40/00
CPC分类号： H04W16/02 , H04L5/0016 , H04L5/0053 , H04W72/00 , H04W72/02 , H04W72/04 , H04W72/0453 , H04W72/082
摘要： A method for distributing wireless resource in multicarrier time division duplexing mobile communication system, such as TD-CDMA system, to overcome the shortage of 3GPP single carrier cell channel distribution technology of covering more lager area in composing cellular system, which contains using an area of covering same or almost same as a cell, selecting one carrier as main carrier and other carriers as auxiliary carrier, the frequency of main carrier is as different as possible, setting all public control channel in main carrier, the left resource of main carrier and resource of auxiliary carrier are used in uplink and downlink service channel, the arrangement of public channel in main carrier is same with that in single carrier cell.
摘要翻译：一种用于在诸如TD-CDMA系统的多载波时分双工移动通信系统中分配无线资源的方法，以克服3GPP单载波小区信道分配技术在组合蜂窝系统中覆盖更多较大区域的不足，该方法包括使用覆盖与小区相同或几乎相同，选择一个载波作为主载波和其他载波作为辅助载波，主载波的频率尽可能不同，将主载波的所有公共控制信道，主载波和资源的左侧资源在上行链路和下行业务信道中使用辅助载波，主载波上公共信道的布置与单载波信元相同。

2. 发明申请

US20080287137A1 Method for Allocating Radio Resource in Multi-Carrier Time Division Duplex Mobile Communication System 有权
标题翻译：多载波时分双工移动通信系统中分配无线资源的方法
公开(公告)号：US20080287137A1
公开(公告)日：2008-11-20
申请号：US11662724
申请日：2005-09-12
申请人： Feng Li , Shihe Li , Yusong He , Guiliang Yang
发明人： Feng Li , Shihe Li , Yusong He , Guiliang Yang
IPC分类号： H04Q7/20
CPC分类号： H04W16/02 , H04L5/0016 , H04L5/0053 , H04W72/00 , H04W72/02 , H04W72/04 , H04W72/0453 , H04W72/082
摘要： A method for distributing wireless resource in multicarrier time division duplexing mobile communication system, such as TD-CDMA system, to overcome the shortage of 3GPP single carrier cell channel distribution technology of covering more lager area in composing cellular system, which contains using an area of covering same or almost same as a cell, selecting one carrier as main carrier and other carriers as auxiliary carrier, the frequency of main carrier is as different as possible, setting all public control channel in main carrier, the left resource of main carrier and resource of auxiliary carrier are used in uplink and downlink service channel, the arrangement of public channel in main carrier is same with that in single carrier cell.
摘要翻译：一种在多载波时分双工移动通信系统（如TD-CDMA系统）中分配无线资源的方法，以克服3GPP单载波信道分布技术在组合蜂窝系统中覆盖更多的较大区域的缺陷，其中包含使用一个区域覆盖相同或几乎相同的小区，选择一个载波作为主载波，其他载波作为辅助载波，主载波的频率尽可能不同，将主载波的所有公共控制信道，主载波的左资源，辅助载波资源用于上行和下行业务信道，主载波上公共信道的布置与单载波信元相同。

3. 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。

4. 发明申请

US20060003760A1 Relay communication equipment, communication method and mobile communication system thereof 审中-公开
标题翻译：中继通信设备，通信方式及其移动通信系统
公开(公告)号：US20060003760A1
公开(公告)日：2006-01-05
申请号：US11192678
申请日：2005-07-28
申请人： Shihe Li , Feng Li , Guiliang Yang
发明人： Shihe Li , Feng Li , Guiliang Yang
IPC分类号： H04Q7/20
CPC分类号： H04W16/26 , H04B7/155 , H04B7/2606
摘要： The present invention relates to relay communication equipment, relay communication methods thereof and a mobile communication system adopting the relay communication equipment. The relay communication equipment generally comprises a general control unit comprised of a digital signal processor; a terminal access function unit comprised of a radio frequency transceiver and physical layer signal processing equipment as well as independent antenna and feeder thereof; a base station function unit comprised of a radio frequency transceiver and physical layer signal processing equipment as well as independent antenna and feeder thereof, for implementing radio signal transmission and receiving between the relay communication equipment and a certain base station in a mobile communication network as well as that between the relay communication equipment and mobile terminals. The mobile communication system adopting relay communication equipment comprises at least one the relay communication equipment. The relay communication equipment can be located in the area that is not covered by mobile communication network, so that common user terminals can acquire mobile communication service in this area. The relay communication equipment provides information communication among terminals inside the local subnet and communication between terminal inside the subnet and that outside the subnet through the detected base station.
摘要翻译：本发明涉及中继通信设备及其中继通信方法以及采用中继通信设备的移动通信系统。中继通信设备通常包括由数字信号处理器构成的通用控制单元; 终端接入功能单元，包括射频收发器和物理层信号处理设备，以及独立天线和馈线; 基站功能单元，包括射频收发器和物理层信号处理设备以及独立的天线和馈线，用于在中继通信设备和移动通信网络中的某个基站之间实现无线电信号传输和接收如中继通信设备和移动终端之间的那样。采用中继通信设备的移动通信系统包括至少一个中继通信设备。中继通信设备可以位于移动通信网络未覆盖的区域内，使得普通用户终端可以在该区域获取移动通信业务。中继通信设备通过检测到的基站在本地子网内的终端之间提供信息通信，子网内的终端与子网之间的通信。

5. 发明授权

US06778588B2 Method for cell initial search in a CDMA mobile communication system 有权
标题翻译：用于CDMA移动通信系统中的小区初始搜索的方法
公开(公告)号：US06778588B2
公开(公告)日：2004-08-17
申请号：US10255334
申请日：2002-09-25
申请人： Feng Li , Tiezhu Xu , Yusong He , Xiaolong Ran
发明人： Feng Li , Tiezhu Xu , Yusong He , Xiaolong Ran
IPC分类号： H04B169
CPC分类号： H04W52/32 , H04B1/70758 , H04B1/7077 , H04B1/7083 , H04W52/50 , H04W56/00
摘要： The invention relates to a cell initial search method for user equipment (UE) in a CDMA digital cellular mobile communication system. The method includes: a UE after selecting a working frequency point, obtains downlink synchronization with the base station; and corrects carrier deviation between the UE and the base station. The downlink synchronization includes: deciding a range of downlink training sequence timeslot (DwPTS) based on training sequence power characteristic window value method; solving correlation of received data and training sequence in the range to obtain accurate receiving position of a UE. The correction of carrier deviation between a UE and the base station includes: estimating carrier deviation between a UE and the base station by software, recovering carrier frequency difference by using decision and feedback method to adjust hardware and carrier deviation correction method based on joint detection to correct carrier deviation.
摘要翻译：本发明涉及CDMA数字蜂窝移动通信系统中的用户设备（UE）的小区初始搜索方法。该方法包括：UE在选择工作频点后，获得与基站的下行同步; 并修正UE和基站之间的载波偏差。下行同步包括：基于训练序列功率特征窗值法确定下行训练序列时隙（DwPTS）的范围; 解决接收到的数据与训练序列的相关性，以获得UE的准确接收位置。 UE和基站之间的载波偏差校正包括：通过软件估计UE与基站之间的载波偏差，通过使用决策和反馈方法来恢复载波频率差，以基于联合检测对硬件和载波偏差校正方法进行调整正确的载波偏差。

6. 发明授权

US06961365B2 Method for signal processing in user equipment of CDMA mobile communication system 有权
标题翻译： CDMA移动通信系统用户设备信号处理方法
公开(公告)号：US06961365B2
公开(公告)日：2005-11-01
申请号：US10268349
申请日：2002-10-09
申请人： Feng Li , Yusong He , Tiezhu Xu
发明人： Feng Li , Yusong He , Tiezhu Xu
IPC分类号： H04B1/7105 , H04B7/02 , H04J13/00 , H04B1/69 , H04B7/216
CPC分类号： H04B1/7105
摘要： The invention discloses to a signal processing method for user equipment in a CDMA mobile communication system. The signal processing method is a combination of time diversity and joint detection in order to raise diversity gain of a receiver. The method comprises: sample a received signal on time domain, estimate spatial channel impulse response value, obtain matrixes, constitute a system matrix, perform joint detection algorithm and obtain an estimated value of original sending data. When the method is used in a mobile user equipment, the uplink and downlink performance unmatched problem can be solved, using same frequency multiplexing can be reached and the joint detection algorithm is a simpler one. The method also can be used in a base station.
摘要翻译：本发明公开了一种CDMA移动通信系统中用户设备的信号处理方法。信号处理方法是时间分集和联合检测的组合，以便提高接收机的分集增益。该方法包括：对时域上的接收信号进行采样，估计空间信道脉冲响应值，获得矩阵，构成系统矩阵，执行联合检测算法，获得原始发送数据的估计值。当在移动用户设备中使用该方法时，可以解决上行和下行性能不匹配的问题，可以使用相同的频率复用，并且联合检测算法更简单。该方法也可以在基站中使用。

7. 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。

8. 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

9. 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。

10. 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。

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