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。

公开(公告)号：US20100238847A1

公开(公告)日：2010-09-23

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： H04J3/00

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。

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。

公开(公告)号：US20100284289A1

公开(公告)日：2010-11-11

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： H04L12/26 ,  H04J3/00

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。

公开(公告)号：US20100246456A1

公开(公告)日：2010-09-30

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： H04J3/00 ,  H04W72/04

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：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：US20100278080A1

公开(公告)日：2010-11-04

申请号：US12738292

申请日：2008-10-16

申请人： Xueming Pan ,  Shiqiang Suo ,  Hai Tang ,  Yingmin Wang ,  Yongbin Xie

发明人： Xueming Pan ,  Shiqiang Suo ,  Hai Tang ,  Yingmin Wang ,  Yongbin Xie

IPC分类号： H04J3/00

CPC分类号： H04W72/0446 ,  H04B7/2656 ,  H04W56/003

摘要： A transmission method in a Long Term Evolution time division duplex system can carry out reconfiguration for half-frame structures. According to the coverage range requirements of the system, it performs flexible configuration of the number of special time slot areas and the downlink pilot time slots, guard intervals or uplink pilot time slots included therein, and so can support different coverage ranges. A base station and user terminal using above method in the Long Term Evolution time division duplex system.

摘要翻译： 长期演进时分双工系统中的传输方法可以对半帧结构进行重配置。 根据系统的覆盖范围要求，可以灵活配置特殊时隙区域的数量和其中包含的下行链路导频时隙，保护间隔或上行链路导频时隙，因此可以支持不同的覆盖范围。 在长期演进时分双工系统中使用上述方法的基站和用户终端。

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

IPC分类号： H04B7/204 ,  H04B7/216 ,  H04B7/212 ,  H03K9/00 ,  H04L27/06 ,  H03D1/04

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

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：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。