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。

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。

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。

公开(公告)号：US08418015B2

公开(公告)日：2013-04-09

申请号：US12663665

申请日：2008-06-06

申请人： Yanbo Cao ,  Hongqiang Li ,  Lu An ,  Yuanxin Qiao ,  Jianxun Sun ,  Yuxin Dong

发明人： Yanbo Cao ,  Hongqiang Li ,  Lu An ,  Yuanxin Qiao ,  Jianxun Sun ,  Yuxin Dong

IPC分类号： H04L1/18

CPC分类号： H03M13/1102 ,  H03M13/6306 ,  H04L1/0057 ,  H04L1/1819

摘要： The present invention discloses a method, an apparatus and a system for low-density parity-check (LDPC) coding and decoding. The coding method includes the following steps: constructing each layer of a check matrix of a layered LDPC code used as an error correcting code; when data is initially sent by a data transmitting terminal, performing first-layer-coding of the data to be sent by using the first layer of a check matrix of the LDPC code, sending the first-layer-coded data; when data for (n−1)th retransmission is sent by the data transmitting terminal, performing nth-layer-coding of the data by using the nth layer of a check matrix of the LDPC code, sending the nth-layer-coded data, wherein n is an integer no less than 2. It is possible to reduce the system overhead, decrease the decoding delay, and improve the decoding performance by using the technical solution of the present invention which is also adapted to high-speed data services.

摘要翻译： 本发明公开了一种用于低密度奇偶校验（LDPC）编码和解码的方法，装置和系统。 编码方法包括以下步骤：构建用作纠错码的分层LDPC码的校验矩阵的每一层; 当数据最初由数据发送终端发送时，通过使用LDPC码的校验矩阵的第一层对要发送的数据进行第一层编码，发送第一层编码数据; 当由数据发送终端发送第（n-1）次重发的数据时，通过使用LDPC码的校验矩阵的第n层进行数据的第n层编码，发送第n层编码数据， 其中n是不小于2的整数。通过使用也适用于高速数据业务的本发明的技术方案，可以减少系统开销，降低解码延迟并提高解码性能。

公开(公告)号：US20100211841A1

公开(公告)日：2010-08-19

申请号：US12663665

申请日：2008-06-06

申请人： Yanbo Cao ,  Hongqiang Li ,  Lu An ,  Yuanxin Qiao ,  Jianxun Sun ,  Yuxin Dong

发明人： Yanbo Cao ,  Hongqiang Li ,  Lu An ,  Yuanxin Qiao ,  Jianxun Sun ,  Yuxin Dong

IPC分类号： H03M13/05 ,  G06F11/10 ,  H04L1/18 ,  G06F11/14

CPC分类号： H03M13/1102 ,  H03M13/6306 ,  H04L1/0057 ,  H04L1/1819

摘要： The present invention discloses a method, an apparatus and a system for low-density parity-check (LDPC) coding and decoding. The coding method includes the following steps: constructing each layer of a check matrix of a layered LDPC code used as an error correcting code; when data is initially sent by a data transmitting terminal, performing first-layer-coding of the data to be sent by using the first layer of a check matrix of the LDPC code, sending the first-layer-coded data; when data for (n−1)th retransmission is sent by the data transmitting terminal, performing nth-layer-coding of the data by using the nth layer of a check matrix of the LDPC code, sending the nth-layer-coded data, wherein n is an integer no less than 2. It is possible to reduce the system overhead, decrease the decoding delay, and improve the decoding performance by using the technical solution of the present invention which is also adapted to high-speed data services.

摘要翻译： 本发明公开了一种用于低密度奇偶校验（LDPC）编码和解码的方法，装置和系统。 编码方法包括以下步骤：构建用作纠错码的分层LDPC码的校验矩阵的每一层; 当数据最初由数据发送终端发送时，通过使用LDPC码的校验矩阵的第一层对要发送的数据进行第一层编码，发送第一层编码数据; 当由数据发送终端发送第（n-1）次重发的数据时，通过使用LDPC码的校验矩阵的第n层进行数据的第n层编码，发送第n层编码数据， 其中n是不小于2的整数。通过使用也适用于高速数据业务的本发明的技术方案，可以减少系统开销，降低解码延迟并提高解码性能。

公开(公告)号：US07672277B2

公开(公告)日：2010-03-02

申请号：US10566619

申请日：2004-08-04

申请人： Yuanxin Qiao

发明人： Yuanxin Qiao

IPC分类号： H04W56/00

CPC分类号： H04B1/7115 ,  H04B2201/70701 ,  H04B2201/70702 ,  H04L2027/0065

摘要： The invention discloses a method of estimating carrier frequency offset for subscriber terminal, including: determining number of effective base stations from which more than one signals are received by a subscriber terminal; combining the signals of each station corresponding to said number of effective base stations; calculating a rough estimation value of the carrier frequency offset based on combined signal. The invention also discloses a device of estimating carrier frequency offset for subscriber terminal, including: decision module, used to determine the number of effective base stations from which more than one signals received by subscriber terminal, combining module, used to combine the signals of the effective base station and output the combined signal to the carrier frequency offset acquiring module; carrier frequency offset acquiring module, used to estimate the carrier frequency offset of the merged signal. According to the invention, the carrier frequency offset for the subscriber terminal will meet system requirement, and improve cell searching success probability.

摘要翻译： 本发明公开了一种对用户终端估计载频偏移的方法，包括：确定用户终端接收多于一个信号的有效基站数; 组合对应于所述数量的有效基站的每个站的信号; 基于组合信号计算载波频率偏移的粗估计值。 本发明还公开了一种对用户终端估计载频偏移的装置，包括：决定模块，用于确定由用户终端接收的多于一个信号的有效基站的数量，组合模块，用于组合 有效基站，并将组合信号输出到载波频率偏移采集模块; 载波频率偏移获取模块，用于估计合并信号的载波频率偏移。 根据本发明，用户终端的载频偏移将满足系统要求，提高小区搜索成功概率。

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。

公开(公告)号：US20070140203A1

公开(公告)日：2007-06-21

申请号：US10566619

申请日：2004-08-04

申请人： Yuanxin Qiao

发明人： Yuanxin Qiao

IPC分类号： H04B7/216 ,  H04Q7/00

CPC分类号： H04B1/7115 ,  H04B2201/70701 ,  H04B2201/70702 ,  H04L2027/0065

摘要： The invention discloses a method of estimating carrier frequency offset for subscriber terminal, including: determining number of effective base stations from which more than one signals are received by a subscriber terminal; combining the signals of each station corresponding to said number of effective base stations; calculating a rough estimation value of the carrier frequency offset based on combined signal. The invention also discloses a device of estimating carrier frequency offset for subscriber terminal, including: decision module, used to determine the number of effective base stations from which more than one signals received by subscriber terminal, combining module, used to combine the signals of the effective base station and output the combined signal to the carrier frequency offset acquiring module; carrier frequency offset acquiring module, used to estimate the carrier frequency offset of the merged signal. According to the invention, the carrier frequency offset for the subscriber terminal will meet system requirement, and improve cell searching success probability.

摘要翻译： 本发明公开了一种对用户终端估计载频偏移的方法，包括：确定用户终端接收多于一个信号的有效基站数; 组合对应于所述数量的有效基站的每个站的信号; 基于组合信号计算载波频率偏移的粗估计值。 本发明还公开了一种对用户终端估计载频偏移的装置，包括：决定模块，用于确定由用户终端接收的多于一个信号的有效基站的数量，组合模块，用于组合 有效基站，并将组合信号输出到载波频率偏移采集模块; 载波频率偏移获取模块，用于估计合并信号的载波频率偏移。 根据本发明，用户终端的载频偏移将满足系统要求，提高小区搜索成功概率。

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。

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