专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明申请

US20090010228A1 Method for Restraining Cross-Slot Interference in Slot Cdma System 有权
标题翻译：限制插槽Cdma系统中跨插槽干扰的方法
公开(公告)号：US20090010228A1
公开(公告)日：2009-01-08
申请号：US12066176
申请日：2006-09-07
申请人： Yingmin Wang , Shiyan Ren , Jinling Hu
发明人： Yingmin Wang , Shiyan Ren , Jinling Hu
IPC分类号： H04B7/216
CPC分类号： H04L25/0212 , H04B1/7105 , H04B2201/70702 , H04W16/14 , H04W24/00 , H04W74/04 , H04W88/08
摘要： The present invention discloses a method for suppressing cross-slot interference in a time-slotted CDMA system. The method includes: determining, by a base station, positions of cross slots according to configuration information of local cell and configuration information of co-frequency adjacent cells, and performing multi-cell channel estimation on the cross slots to obtain channel estimation results; determining, by the base station, code channel configuration information of the co-frequency adjacent cells, grouping the determined code channels and determining the code channels of the co-frequency adjacent cells involved in a joint detection; and performing, by the base station, the joint detection according to the multi-cell information estimation results and the determined code channels of the base stations involved in the joint detection to obtain detection data. With the present invention, interference from a base station transmitting downlink signals in cross slots to a base station receiving uplink signals in the corresponding slot may be reduced, and the system capacity and the stability may be improved.
摘要翻译：本发明公开了一种用于抑制时隙CDMA系统中的交叉时隙干扰的方法。该方法包括：基站根据本地小区的配置信息和同频相邻小区的配置信息确定交叉时隙的位置，并对交叉时隙进行多小区信道估计，得到信道估计结果; 由所述基站确定所述同频相邻小区的码信道配置信息，对所确定的码信道进行分组，并确定共同检测中所涉及的同频相邻小区的码信道; 并且由基站执行根据所述多小区信息估计结果的联合检测和所述联合检测中涉及的所述基站的所确定的代码信道，以获得检测数据。利用本发明，可以减少从交叉时隙发送下行链路信号到在相应时隙中接收上行链路信号的基站的基站的干扰，并且可以提高系统容量和稳定性。

32. 发明申请

US20080167030A1 CHANNEL IMPULSE RESPONSE EXTRACTION FOR MOBILE TERMINALS 有权
标题翻译：用于移动终端的通道刺激响应提取
公开(公告)号：US20080167030A1
公开(公告)日：2008-07-10
申请号：US11969790
申请日：2008-01-04
申请人： Feng Li , Jianxun Sun , Yingmin Wang , Guiliang Yang , Tiezhu Xu
发明人： Feng Li , Jianxun Sun , Yingmin Wang , Guiliang Yang , Tiezhu Xu
IPC分类号： H04Q7/20
CPC分类号： H04W28/18 , H04B1/7105 , H04B2201/70702 , H04B2201/709709 , H04L25/0202 , H04W24/00
摘要： Finding a channel impulse response estimation window in a current cell for at least one mobile terminal in a neighboring cell is disclosed. This can serve to mitigate interference caused by mobile terminals in neighboring cells in and among communications ongoing in a current cell. In one example, a method for A method for determining such a channel impulse response estimation window includes presetting, in the neighboring cell, at least two channel impulse response peak locations of respective mobile terminals in first and second predetermined periods with a predetermined peak location change pattern, and then upon receiving communication from a mobile terminal of the neighboring cell, analyzing channel impulse responses to identify the peak location change pattern with regard to first and second peak locations. The method further includes identifying a variation range for a channel impulse response of a primary path of the mobile terminal, and determining a channel impulse response estimation window for the mobile terminal based on the identified variation range and a preferred estimation window size.
摘要翻译：公开了在相邻小区中的至少一个移动终端的当前小区中的信道脉冲响应估计窗口。这可以用于减轻当前小区中正在进行的通信中的相邻小区中的移动终端造成的干扰。在一个示例中，用于确定这样的信道脉冲响应估计窗口的A方法的方法包括在相邻小区中预定在第一和第二预定时段中各个移动终端的至少两个信道脉冲响应峰值位置具有预定的峰值位置变化然后在从相邻小区的移动终端接收到通信时，分析信道脉冲响应以识别关于第一和第二峰位置的峰位置改变模式。该方法还包括识别移动终端的主要路径的信道脉冲响应的变化范围，以及基于所识别的变化范围和优选估计窗口大小来确定移动终端的信道脉冲响应估计窗口。

33. 发明授权

US07272166B2 Correction method for time-varying channel in a time-slot division mobile communication system 有权
标题翻译：时隙分割移动通信系统中时变信道的校正方法
公开(公告)号：US07272166B2
公开(公告)日：2007-09-18
申请号：US11165957
申请日：2005-06-24
申请人： Yingmin Wang
发明人： Yingmin Wang
IPC分类号： H04B1/707 , H04B7/212
CPC分类号： H04L25/022 , H04B1/707 , H04B1/7103 , H04B2201/70701 , H04L25/0236 , H04L25/024
摘要： A correction method for time varying channels in a time slot division mobile communication system that includes: performing channel estimation and signal detection for a time-slot or burst signal received with a time invariant block processing method; estimating the channel deviation by using the detection result of some symbols that are near the channel estimation code; correcting the channel estimation with the estimated channel deviation; and demodulating the said detection result with the corrected channel estimation. The procedure can be carried out once or for a plurality of times. This correction method is adaptive to a certain degree of varying of the channel response within a time-slot while keeping the basic characteristics of the block processing method, softening the terms of application thereof in a time-slot CDMA system or similar block processing systems and improving the performance of system under the circumstances of larger frequency deviation and shift as well as higher moving speed of a terminal.
摘要翻译：一种时隙分割移动通信系统中的时变信道的校正方法，其特征在于，包括以时变块处理方式接收的时隙或突发信号进行信道估计和信号检测; 通过使用靠近信道估计码的一些符号的检测结果来估计信道偏差; 用估计的信道偏差校正信道估计; 以及用校正的信道估计来解调所述检测结果。该过程可以进行一次或多次。这种校正方法在保持块处理方法的基本特征，软化其在时隙CDMA系统或相似块处理系统中的应用条件的同时，适应于时隙内的信道响应的一定程度的变化，以及在更大的频偏和移位以及终端移动速度较高的情况下，提高系统的性能。

34. 发明申请

US20050276357A1 Correction method for time-varying channel in a time-slot division mobile communication system 有权
标题翻译：时隙分割移动通信系统中时变信道的校正方法
公开(公告)号：US20050276357A1
公开(公告)日：2005-12-15
申请号：US11165957
申请日：2005-06-24
申请人： Yingmin Wang
发明人： Yingmin Wang
IPC分类号： H04B1/707 , H04B1/712 , H03D1/00
CPC分类号： H04L25/022 , H04B1/707 , H04B1/7103 , H04B2201/70701 , H04L25/0236 , H04L25/024
摘要： A correction method for time varying channels in a time slot division mobile communication system that includes: performing channel estimation and signal detection for a time-slot or burst signal received with a time invariant block processing method; estimating the channel deviation by using the detection result of some symbols that are near the channel estimation code; correcting the channel estimation with the estimated channel deviation; and demodulating the said detection result with the corrected channel estimation. The procedure can be carried out once or for a plurality of times. This correction method is adaptive to a certain degree of varying of the channel response within a time-slot while keeping the basic characteristics of the block processing method, softening the terms of application thereof in a time-slot CDMA system or similar block processing systems and improving the performance of system under the circumstances of larger frequency deviation and shift as well as higher moving speed of a terminal.
摘要翻译：一种时隙分割移动通信系统中的时变信道的校正方法，其特征在于，包括以时变块处理方式接收的时隙或突发信号进行信道估计和信号检测; 通过使用靠近信道估计码的一些符号的检测结果来估计信道偏差; 用估计的信道偏差校正信道估计; 以及用校正的信道估计来解调所述检测结果。该过程可以进行一次或多次。这种校正方法在保持块处理方法的基本特征，软化其在时隙CDMA系统或相似块处理系统中的应用条件的同时，适应于时隙内的信道响应的一定程度的变化，以及在更大的频偏和移位以及终端移动速度较高的情况下，提高系统的性能。

35. 发明授权

US08406176B2 Transmission method and device in long term evolution time division duplex system 有权
标题翻译：传输方式和设备在长期演进时分双工系统中的应用
公开(公告)号：US08406176B2
公开(公告)日：2013-03-26
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： H04W4/00 , 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。

36. 发明授权

US08391251B2 Transmission method for a time division duplex mobile communication system 有权
标题翻译：时分双工移动通信系统的传输方法
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
IPC分类号： H04J3/00 , H04B7/02
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。

37. 发明授权

US08180360B2 Downlink traffic channel resource allocation method and data transmission method for multi-carrier HSDPA 有权
标题翻译：用于多载波HSDPA的下行业务信道资源分配方法和数据传输方法
公开(公告)号：US08180360B2
公开(公告)日：2012-05-15
申请号：US11994770
申请日：2006-06-29
申请人： Guiliang Yang , Shaohui Sun , Yingmin Wang
发明人： Guiliang Yang , Shaohui Sun , Yingmin Wang
IPC分类号： H04W72/00 , H04W4/00
CPC分类号： H04W28/20 , H04W72/02 , H04W72/0453 , H04W72/085
摘要： The present invention discloses a method of allocating downlink traffic channel resources for multi-carrier HSDPA, and the method includes: first of all, selecting a carrier with the optimum channel condition; determining whether the carrier meets the resource allocation demand of a downlink traffic channel, if yes, allocating resources that meet the downlink traffic channel on the carrier; otherwise, allocating the available resources of the carrier to the downlink traffic channel, and selecting a carrier with the optimum channel condition from the remaining carriers for resource allocation according to the remaining resource allocation demand of the downlink traffic channel. The present invention provides, according to the transmission characteristic of the existing HSDPA multi-carrier, a method for allocating downlink traffic channel resources, which method is applicable for packet data transmission of the multi-carrier HSDPA.
摘要翻译：本发明公开了一种为多载波HSDPA分配下行业务信道资源的方法，该方法包括：首先，选择具有最优信道条件的载波; 确定所述载波是否满足下行链路业务信道的资源分配需求，如果是，则在所述载波上分配满足所述下行业务信道的资源; 否则，将载波的可用资源分配给下行业务信道，并根据下行业务信道的剩余资源分配需求从剩余载波中选择具有最佳信道状态的载波进行资源分配。本发明根据现有HSDPA多载波的传输特性提供一种分配下行业务信道资源的方法，该方法适用于多载波HSDPA的分组数据传输。

38. 发明授权

US08081696B2 Method and apparatus for multi-carrier HSDPA traffic transmission channel coding 有权
标题翻译：用于多载波HSDPA业务传输信道编码的方法和装置
公开(公告)号：US08081696B2
公开(公告)日：2011-12-20
申请号：US11994721
申请日：2006-06-30
申请人： Shaohui Sun , Yingmin Wang , Guiliang Yang
发明人： Shaohui Sun , Yingmin Wang , Guiliang Yang
IPC分类号： H04L5/12
CPC分类号： H04L27/2601 , H04L1/0013 , H04L1/0041 , H04L1/0071 , H04L1/0075 , H04L1/1812 , H04L1/1893
摘要： Three channel coding schemes for multi-carrier HSDPA packet data transmission are disclosed. The first scheme includes: dividing data into N groups (S210); performing CRC attachment, code block segmentation, channel coding and rate matching on each group of data respectively (S220); scrambling and interleaving the N groups of data unitedly, and then dividing the data into N groups again to perform QAM constellation rearrangement and then map to physical channels of respective carriers for transmission. The second scheme includes: dividing data to be sent into groups (S510); and sending each group of data via a physical channel of a carrier after coding it according to single-carrier HSDPA (S520). The third scheme includes: sending N carrier channels as a whole to a physical layer to perform processing from CRC attachment to QAM constellation rearrangement (S710); dividing the processed data into groups and mapping them to respective carrier channels for transmission (S720).
摘要翻译：公开了用于多载波HSDPA分组数据传输的三信道编码方案。第一种方案包括：将数据划分成N组（S210）; 分别对每组数据执行CRC附件，码块分割，信道编码和速率匹配（S220）; 对N组数据进行加扰和交织，然后再次将数据划分成N组进行QAM星座重排，然后映射到各个载波的物理信道进行传输。第二方案包括：将要发送的组数据划分成组（S510）; 并且在根据单载波HSDPA进行编码之后，经由载波的物理信道发送每组数据（S520）。第三方案包括：将N个载波信道作为整体发送到物理层，以执行从CRC附着到QAM星座重排的处理（S710）; 将处理的数据分组并将其映射到相应的载波信道以进行传输（S720）。

39. 发明申请

US20110299573A1 Distributed Antenna System and its Data Transmission Method and Central Controller 有权
标题翻译：分布式天线系统及其数据传输方法和中央控制器
公开(公告)号：US20110299573A1
公开(公告)日：2011-12-08
申请号：US12999210
申请日：2009-06-18
申请人： Shaohui Sun , Yunzhe Hou , Yingmin Wang , Yongbin Xie
发明人： Shaohui Sun , Yunzhe Hou , Yingmin Wang , Yongbin Xie
IPC分类号： H04B1/38
CPC分类号： H04B7/024
摘要： A data transmission method and central controller for a distributed antenna system and a distributed antenna system. The system includes a central controller and multiple wireless transceiver units. The method includes that wireless transceiver units measure the power of the pilot reference signals received from user terminals and forward this power rate to a central controller; the central controller selects a set of wireless transceiver units for transmitting data to the terminal according to the pilot reference signal power rates of the terminals forwarded by the multiple wireless transceiver units; the central controller performs data processing according to said set of wireless transceiver units; the central controller distributes the processed data to the wireless transceiver units in said set of wireless transceiver units, and the wireless transceiver units in said set perform the downlink data transmission.
摘要翻译：一种用于分布式天线系统和分布式天线系统的数据传输方法和中央控制器。该系统包括一个中央控制器和多个无线收发器单元。该方法包括：无线收发单元测量从用户终端接收的导频参考信号的功率，并将该功率率转发给中央控制器; 中央控制器根据由多个无线收发器单元转发的终端的导频参考信号功率，选择一组用于向终端发送数据的无线收发单元; 所述中央控制器根据所述一组无线收发器单元进行数据处理; 所述中央控制器将所处理的数据分配给所述无线收发器单元组中的无线收发器单元，并且所述组中的无线收发器单元执行下行链路数据传输。

40. 发明授权

US07944903B2 Multi-cell joint-detection method in time-slotted CDMA system 有权
标题翻译：时隙CDMA系统中的多小区联合检测方法
公开(公告)号：US07944903B2
公开(公告)日：2011-05-17
申请号：US11916196
申请日：2006-05-17
申请人： Yingmin Wang , Nan Zhong
发明人： Yingmin Wang , Nan Zhong
IPC分类号： H04B7/216
CPC分类号： H04B1/7105 , H04B2201/70702 , H04L25/0204
摘要： A multi-cell joint-detection method in a time-slotted CDMA system includes: performing a multiple code set channel estimation on received signal data and obtaining channel estimation results of a home cell and of neighboring cells; adjusting the channel estimation results of the home cell and/or neighboring cells or the estimation result of a combined channel response according to a comparative delay difference between signals of users in different cells; and performing a joint-detection according to the estimation result of the combined channel response obtained by adjusting the channel estimation results of the users in different cells or according to the estimation result of the combined channel response. The MAI between neighboring universal-frequency cells having comparative delays and especially large comparative delays is greatly suppressed and the performance of the time-slotted CDMA system when working in neighboring universal-frequency cells is improved.
摘要翻译：时隙CDMA系统中的多小区联合检测方法包括：对接收到的信号数据执行多码集信道估计，并获得家庭小区和相邻小区的信道估计结果; 根据不同小区中的用户信号之间的比较延迟差来调整家庭小区和/或相邻小区的信道估计结果或组合信道响应的估计结果; 以及根据通过调整不同小区中的用户的信道估计结果而获得的组合信道响应的估计结果，或根据组合信道响应的估计结果，进行联合检测。具有相对延迟和特别大的比较延迟的相邻通用频率小区之间的MAI被大大抑制，并且在相邻通用频率小区中工作时时隙CDMA系统的性能得到改善。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式