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：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：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。

公开(公告)号：US20090129491A1

公开(公告)日：2009-05-21

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： H04L27/28 ,  H04J3/00

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。

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

公开(公告)号：US20080194281A1

公开(公告)日：2008-08-14

申请号：US11915103

申请日：2006-05-15

申请人： Jianxun Sun ,  Tiezhu Xu

发明人： Jianxun Sun ,  Tiezhu Xu

IPC分类号： H04B7/00

CPC分类号： H04W52/346

摘要： A downlink power control method for base station, includes following steps: according to the received power control command, base station obtains the transmission power of each terminal occupying code channel; according to the transmission power of each terminal occupying code channel, determines the allowable minimum code channel power of each terminal; according to the determined minimum code channel power of each terminal, amends the transmission power of each terminal occupying code channel; according to the amended transmission power of each terminal occupying code channel, sends signals to the corresponding terminal respectively. Present invention could control the difference of signal power between different users, increase the stability of wireless link, and assure the quality of system communication.

摘要翻译： 一种用于基站的下行链路功率控制方法，包括以下步骤：根据接收到的功率控制命令，基站获取每个终端占用码信道的发射功率; 根据每个终端占用码信道的发射功率，确定每个终端的允许最小码信道功率; 根据确定的每个终端的最小码信道功率，修改每个终端占用码信道的发射功率; 根据每个终端占用代码信道的修改发送功率，分别向对应的终端发送信号。 本发明可以控制不同用户之间的信号功率差异，增加无线链路的稳定性，保证系统通信的质量。

公开(公告)号：US09019900B2

公开(公告)日：2015-04-28

申请号：US11994775

申请日：2006-07-03

申请人： Shaohui Sun ,  Zhuo Gao ,  Haijun Zhou ,  Jinling Hu

发明人： Shaohui Sun ,  Zhuo Gao ,  Haijun Zhou ,  Jinling Hu

IPC分类号： H04H20/67 ,  H04L5/00 ,  H04L1/18 ,  H04L12/54 ,  H04L12/801 ,  H04L12/851 ,  H04L12/863 ,  H04L12/861 ,  H04W88/08

CPC分类号： H04L5/0064 ,  H04L1/1819 ,  H04L1/1887 ,  H04L5/0007 ,  H04L5/0044 ,  H04L47/10 ,  H04L47/14 ,  H04L47/2441 ,  H04L47/34 ,  H04L47/50 ,  H04L47/6215 ,  H04L49/90 ,  H04L49/9094 ,  H04W88/08

摘要： The invention discloses a device and a system for implementing a multi-carrier high speed downlink packet access service, thereby accomplishing multi-carrier high speed downlink packet access service transmission by means of multi-carrier high speed downlink packet processing devices provided in a base station and a user equipment in the system and managing high speed downlink packets corresponding to the carriers separately by means of hybrid automatic repeat request modules corresponding to the carriers. The invention further discloses a method for implementing a multi-carrier high speed downlink packet access service, thereby allocating a separate transmitting hybrid automatic repeat request process and corresponding receiving hybrid automatic repeat request process for each carrier to accomplish transmission and receiving of high speed downlink packet access data. With the invention, the downlink data transmission rate in a radio mobile communication system supporting multiple carriers can be improved.

摘要翻译： 本发明公开了一种用于实现多载波高速下行分组接入业务的装置和系统，从而通过在基站中提供的多载波高速下行链路分组处理装置实现多载波高速下行分组接入业务传输 和系统中的用户设备，并且通过与载波对应的混合自动重传请求模块分别管理与载波相对应的高速下行链路分组。 本发明还公开了一种实现多载波高速下行链路分组接入业务的方法，从而为每个载波分配单独的发射混合自动重传请求过程和相应的接收混合自动重传请求过程，以实现高速下行分组的传输和接收 访问数据。 通过本发明，可以提高支持多个载波的无线移动通信系统中的下行数据传输速率。

公开(公告)号：US08681708B2

公开(公告)日：2014-03-25

申请号：US11993306

申请日：2006-05-15

申请人： Yingmin Wang ,  Shaohui Sun

发明人： Yingmin Wang ,  Shaohui Sun

IPC分类号： H04W4/00 ,  H04B7/00

CPC分类号： H04W72/0453 ,  H04L5/0053 ,  H04W72/02 ,  H04W72/042

摘要： The present invention discloses a control channel allocation method, a packet data transmission method and a RNC of a multi-carrier HSDPA (high speed downlink packet access) technology, wherein the allocation method includes: when a UE accesses a network, the network allocating K pairs of uplink and downlink control channels to be monitored by the UE; during a HSDPA service transmission process, the network selecting N pairs from the K pairs of uplink and downlink control channels to transmit control messages, wherein the selected downlink channels are the corresponding uplink channels are on a same carrier; and the network allocating a pair of uplink and downlink associate channels on each carrier where the selected N pairs of uplink and downlink control channels locate, wherein M≧N≧1 and M is a number of carriers used by the network to transmit packet data. The present invention effectively solves the problem that in the traditional single carrier HSDPA, only the transmission control of the single carrier is taken into account and the control requirement in the multi-carrier HSDPA cannot be satisfied.

摘要翻译： 本发明公开了一种多载波HSDPA（高速下行分组接入）技术的控制信道分配方法，分组数据传输方法和RNC，其中分配方法包括：当UE接入网络时，分配K 成对的上行链路和下行链路控制信道由UE监控; 在HSDPA业务传输过程中，网络从上行链路和下行链路控制信道的K对中选择N个对以发送控制消息，其中所选择的下行链路信道是相应的上行链路信道在相同的载波上; 所述网络在所选择的N对上行链路控制信道和下行链路控制信道所在的每个载波上分配一对上行链路和下行链路相关信道，其中，M≥N≥1，M是网络用于发送分组数据的载波数。 本发明有效地解决了传统单载波HSDPA中仅考虑单载波传输控制，不能满足多载波HSDPA控制要求的问题。

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：US08054785B2

公开(公告)日：2011-11-08

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： G01R31/08 ,  H04W72/00

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。