-
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
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：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
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：US20100303162A1
公开(公告)日：2010-12-02
申请号：US12680362
申请日：2008-09-25
申请人： Yingmin Wang , Shaohui Sun , Hai Bi , Shiqiang Suo , Yeming Tang
发明人： Yingmin Wang , Shaohui Sun , Hai Bi , Shiqiang Suo , Yeming Tang
IPC分类号： H04L27/28
CPC分类号： H04L5/0016 , H04L1/08 , H04L5/0007 , H04L5/0044 , H04L5/0048 , H04L25/0204 , H04L25/0232 , H04L25/03866 , H04L2025/03414
摘要： Multi-users detecting method and device of OFDM transmission signal include that: a received data sequence is composed of the received signal which is in the position of the time and frequency symbol corresponding to the same data symbol in multi-repeating blocks; the composed repeating channel response sequence array which is corresponding to the received data sequence is determined; the received data sequence is detected to acquire the data symbol information of multi-users by using the composed repeating channel response sequence array. The technical solution can effectively restrain the multi-address interference and the interference between symbols during OFDM transmitting signal and improve the system performance greatly.
摘要翻译： OFDM传输信号的多用户检测方法和装置包括：接收数据序列由在多重复块中对应于相同数据符号的时间和频率符号位置的接收信号组成; 确定对应于接收到的数据序列的合成的重复信道响应序列阵列; 检测接收的数据序列，通过使用合成的重复信道响应序列数组来获取多用户的数据符号信息。 该技术解决方案可以有效地抑制OFDM传输信号中的多地址干扰和符号间干扰，大大提高系统性能。
-
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
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。
-
5.发明授权公开(公告)号：US08483103B2
公开(公告)日：2013-07-09
申请号：US12740506
申请日：2008-10-30
申请人： Shiqiang Suo , Xueming Pan , Yingmin Wang , Shaohui Sun , Yongbin Xie
发明人： Shiqiang Suo , Xueming Pan , Yingmin Wang , Shaohui Sun , Yongbin Xie
IPC分类号： H04L5/14
CPC分类号： H04W56/002 , H04W56/0075 , H04W72/0446 , H04W92/24
摘要： A method for determining a data transmission offset includes: synchronizing a first time division duplex TDD system with a second TDD system (a500); determining a transmission timing advance of a user terminal according to a deviation between random access time and desired time of the user equipment during establishing the uplink synchronization of the second TDD system (a501); determining an offset of a time slot of the second TDD system according to a time difference between the time slots of the first TDD system and the second TDD system (a502); and obtaining a data transmission offset of the time slot by adding the determined offset of the time slot to the determined transmission timing advance (a503). A system and a base station for determining a data transmission offset are provided.
摘要翻译： 一种用于确定数据传输偏移的方法包括：使第一时分双工TDD系统与第二TDD系统同步（a500）; 根据在建立第二TDD系统的上行链路同步期间用户设备的随机访问时间与期望时间之间的偏差确定用户终端的传输定时提前（a501）; 根据第一TDD系统和第二TDD系统的时隙之间的时间差来确定第二TDD系统的时隙的偏移量（a502）; 以及通过将所确定的所述时隙的偏移量与所确定的发送定时提前相加来获得所述时隙的数据传输偏移量（a503）。 提供了一种用于确定数据传输偏移的系统和基站。
-
6.发明授权公开(公告)号：US08457032B2
公开(公告)日：2013-06-04
申请号：US12741020
申请日：2008-10-31
申请人： Shiqiang Suo , Guojun Xiao , Xueming Pan , Shaohui Sun , Yingmin Wang
发明人： Shiqiang Suo , Guojun Xiao , Xueming Pan , Shaohui Sun , Yingmin Wang
IPC分类号： H04W4/00
CPC分类号： H04W48/12 , H04B7/2643 , H04L27/2602 , H04L27/2605 , H04W16/00
摘要： A method for data transmission in a TDD system is disclosed. The method includes: configuring, by a base station, a length respectively for a Downlink Pilot Slot (DwPTS) and an Uplink Pilot Slot (UpPTS) within a special field of a radio half-frame based on a current coverage area taking one Orthogonal Frequency Division Multiplexing (OFDM) symbol as a unit, and issuing a configured result to a user device, wherein a total length of the DwPTS, a Guard Period (GP) slot and the UpPTS is kept to be 1 ms; constructing, by the base station, radio half-frames for data transmission according to the configured result. An apparatus for data transmission in the TDD system is also disclosed. According to the present invention, coverage area of different levels with smaller granularity is supported, radio resources are saved and transmission efficiency is increased.
摘要翻译： 公开了TDD系统中的数据传输方法。 该方法包括：基站采用一个正交频率的当前覆盖区域，分别针对无线电半帧的特殊字段中的下行链路导频时隙（DwPTS）和上行链路导频时隙（UpPTS）分别设置长度 分区复用（OFDM）符号作为一个单元，并且向用户设备发布配置的结果，其中DwPTS的总长度，保护周期（GP）时隙和UpPTS保持为1ms; 根据配置结果，由基站构建用于数据传输的无线电半帧。 还公开了TDD系统中的数据传输装置。 根据本发明，支持具有较小粒度的不同级别的覆盖区域，节省了无线资源，提高了传输效率。
-
7.发明授权公开(公告)号：US08391251B2
公开(公告)日：2013-03-05
申请号：US11996829
申请日：2006-07-21
申请人： Shaohui Sun , Yingmin Wang , Shiqiang Suo
发明人： Shaohui Sun , Yingmin Wang , Shiqiang Suo
CPC分类号： H04B7/2656 , H04W56/003
摘要： A method for a time division duplex mobile communication system comprises that setting a minimum unit of transmission time interval and a system frame structure, wherein each radio sub frame is composed of a downlink pilot time slot, a switching guard period, a synchronization time slot and a plurality of service time slots, and the transmission time interval uses the length of time slot as a unit; a user obtaining downlink synchronization by receiving downlink pilot information of the downlink pilot time slot, and obtaining corresponding configuration information of cell by reading cell broadcasting information, and then transmitting uplink synchronization information in the synchronization time slot to fulfill a random access process, wherein the configuration information includes transmission time interval and system frame structure information; the network side/the user transmitting call information to an opposite end, and the opposite end processing call acknowledgement according to the transmission time interval; the network side allocating a channel for the user, wherein the network side and the user communicates through the allocated channel. The method reduces data transmission delay during communication, improves call throughout.
摘要翻译： 一种时分双工移动通信系统的方法，包括设定传输时间间隔的最小单位和系统帧结构，其中每个无线电子帧由下行链路导频时隙，切换保护周期，同步时隙和 多个服务时隙，并且传输时间间隔使用时隙的长度作为一个单位; 用户通过接收下行链路导频时隙的下行链路导频信息获得下行链路同步，并通过读取小区广播信息获得小区的相应配置信息，然后在同步时隙中发送上行同步信息，以实现随机接入过程，其中， 配置信息包括传输时间间隔和系统帧结构信息; 网络侧/用户将呼叫信息发送到相对端，并且根据传输时间间隔进行相对端处理呼叫确认; 网络侧为用户分配信道，其中网络侧和用户通过分配的信道进行通信。 该方法减少通信期间的数据传输延迟，改善呼叫。
-
公开(公告)号：US20100142390A1
公开(公告)日：2010-06-10
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
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。
-
9.发明授权Method and an apparatus for determining the radio frame structure of time division duplex system 有权用于确定时分双工系统的无线电帧结构的方法和装置公开(公告)号：US08472465B2
公开(公告)日：2013-06-25
申请号：US12740972
申请日：2008-11-03
申请人： Shiqiang Suo , Xueming Pan , Shaohui Sun , Yingmin Wang , Yongbin Xie , Ke Wang , Hai Tang
发明人： Shiqiang Suo , Xueming Pan , Shaohui Sun , Yingmin Wang , Yongbin Xie , Ke Wang , Hai Tang
IPC分类号： H04B7/212
CPC分类号： H04B7/2656 , H04W56/003
摘要： A method for determining the radio frame structure of a Time Division Duplex system is disclosed, which comprises: configuring, by the network side, the radio frame structure used for service transmission as containing two half-frames each of 5 ms, wherein each half-frame consists of eight service time slots of 0.5 ms and one special time slot field of 1 ms, two consecutive service time slots form a subframe of which the length is 1 ms, and the special time slot field contains a DwPTS, a GP and an UpPTS; determining the lengths of the DwPTS, the GP and the UpPTS in the special time slot field according to the requirements of the coverage range, and determining the radio frame structure used for service transmission. By reconfiguring the radio frame structure, the invention can flexibly support different coverage ranges, enhance the flexibility of satisfying different service requirements, and implement the coexistence of two types of TDD systems.
摘要翻译： 公开了一种用于确定时分双工系统的无线电帧结构的方法，其包括：由网络侧将用于服务传输的无线电帧结构配置为包含每5ms的两个半帧，其中， 帧由0.5ms的8个服务时隙和1ms的特殊时隙字段组成，两个连续的服务时隙形成长度为1ms的子帧，特殊时隙字段包含DwPTS，GP和 UpPTS; 根据覆盖范围的要求确定特殊时隙字段中的DwPTS，GP和UpPTS的长度，以及确定用于业务传输的无线帧结构。 通过重新配置无线帧结构，本发明可以灵活地支持不同的覆盖范围，增强满足不同业务需求的灵活性，实现两种TDD系统的共存。
-
公开(公告)号：US08462899B2
公开(公告)日：2013-06-11
申请号：US12680362
申请日：2008-09-25
申请人： Yingmin Wang , Shaohui Sun , Hai Bi , Shiqiang Suo , Yeming Tang
发明人： Yingmin Wang , Shaohui Sun , Hai Bi , Shiqiang Suo , Yeming Tang
IPC分类号： H03D1/04
CPC分类号： H04L5/0016 , H04L1/08 , H04L5/0007 , H04L5/0044 , H04L5/0048 , H04L25/0204 , H04L25/0232 , H04L25/03866 , H04L2025/03414
摘要： A method and device for multi-user detecting of an OFDM transmission signal are provided. The method includes: combining received signals, at corresponding time-frequency symbol positions in all of multiple repeated Block Units in relation to the same data symbol, into a received data sequence; determining a combined repeated channel response sequence array corresponding to the received data sequence; and detecting the received data sequence using the combined repeated channel response sequence array to obtain data symbols of multiple users. The technical solution can effectively restrain the multi-address interference and the interference between symbols during OFDM transmitting signal and improve the system performance greatly.
摘要翻译： 提供了一种用于OFDM传输信号的多用户检测的方法和装置。 该方法包括：将在相同数据符号的所有多个重复块单元中的相应时间 - 频率符号位置处的接收信号合并成接收数据序列; 确定对应于所接收的数据序列的组合重复信道响应序列阵列; 以及使用组合的重复信道响应序列阵列检测接收的数据序列，以获得多个用户的数据符号。 该技术解决方案可以有效地抑制OFDM传输信号中的多地址干扰和符号间干扰，大大提高系统性能。
-
-
-
-
-
-
-
-
-
搜索结果
79 条记录 (耗时 0.02 秒)
