专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08331504B2 Method and system for multi-user interference cancellation 失效
标题翻译：多用户干扰消除的方法和系统
公开(公告)号：US08331504B2
公开(公告)日：2012-12-11
申请号：US12435076
申请日：2009-05-04
申请人： Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Michael McCloud
发明人： Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Michael McCloud
IPC分类号： H03D1/04
CPC分类号： H04B1/7107 , H04B1/71052 , H04B2201/70701
摘要： Systems and methods for multi-user interference cancellation are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users and a detection unit configured to detect user symbols from the received symbols. The apparatus also comprises an interference cancellation unit configured to compute multi-user interference using the detected user symbols and to remove the computed multi-user interference from the received symbols. The apparatus further comprises a redetection unit configured to redetect user symbols from the received symbols with the computed multi-user interference removed.
摘要翻译：提供了多用户干扰消除的系统和方法。在本公开的一个方面，提供一种装置。该装置包括：处理单元，被配置为将接收到的码片处理为多个用户的接收符号;以及检测单元，被配置为从接收的符号检测用户符号。该装置还包括被配置为使用检测到的用户符号来计算多用户干扰并从所接收的符号中去除所计算的多用户干扰的干扰消除单元。所述设备还包括重新检测单元，其被配置为从所接收的符号中重新检测用户符号，同时移除所计算的多用户干扰。

2. 发明申请

US20100278218A1 METHOD AND SYSTEM FOR MULTI-USER INTERFERENCE CANCELLATION 失效
标题翻译：用于多用户干扰消除的方法和系统
公开(公告)号：US20100278218A1
公开(公告)日：2010-11-04
申请号：US12435076
申请日：2009-05-04
申请人： Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Michael McCloud
发明人： Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Michael McCloud
IPC分类号： H04B1/707 , H04B1/10
CPC分类号： H04B1/7107 , H04B1/71052 , H04B2201/70701
摘要： Systems and methods for multi-user interference cancellation are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users and a detection unit configured to detect user symbols from the received symbols. The apparatus also comprises an interference cancellation unit configured to compute multi-user interference using the detected user symbols and to remove the computed multi-user interference from the received symbols. The apparatus further comprises a redetection unit configured to redetect user symbols from the received symbols with the computed multi-user interference removed.
摘要翻译：提供了多用户干扰消除的系统和方法。在本公开的一个方面，提供一种装置。该装置包括：处理单元，被配置为将接收到的码片处理为多个用户的接收符号;以及检测单元，被配置为从接收的符号检测用户符号。该装置还包括被配置为使用检测到的用户符号来计算多用户干扰并从所接收的符号中去除所计算的多用户干扰的干扰消除单元。所述设备还包括重新检测单元，其被配置为从所接收的符号中重新检测用户符号，同时移除所计算的多用户干扰。

3. 发明授权

US08615030B2 Method and system for multi-user detection using two-stage processing 失效
标题翻译：使用两级处理的多用户检测方法和系统
公开(公告)号：US08615030B2
公开(公告)日：2013-12-24
申请号：US12435039
申请日：2009-05-04
申请人： Farrokh Abrishamkar , Yingqun Yu , Michael McCloud , Divaydeep Sikri
发明人： Farrokh Abrishamkar , Yingqun Yu , Michael McCloud , Divaydeep Sikri
IPC分类号： H04B1/7105
CPC分类号： H04B1/71052
摘要： Systems and methods for multi-user detection are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process a plurality of received chips into a plurality of received symbols for a plurality of users. The apparatus further comprises a computation unit configured to compute a multi-user matrix relating a plurality of user symbols for the plurality of users to the plurality of received symbols and a detection unit configured to detect the plurality of user symbols for the plurality of users using the computed multi-user matrix and the plurality of received symbols.
摘要翻译：提供了多用户检测的系统和方法。在本公开的一个方面，提供一种装置。该装置包括：处理单元，被配置为将多个接收到的码片处理为多个用户的多个接收符号。所述装置还包括计算单元，被配置为计算将所述多个用户的多个用户符号与所述多个接收到的符号相关联的多用户矩阵;以及检测单元，被配置为使用所述多个用户矩阵来检测所述多个用户的所述多个用户符号所计算的多用户矩阵和多个接收符号。

4. 发明申请

US20100278217A1 METHOD AND SYSTEM FOR MULTI-USER DETECTION USING TWO-STAGE PROCESSING 失效
标题翻译：使用两阶段处理进行多用户检测的方法和系统
公开(公告)号：US20100278217A1
公开(公告)日：2010-11-04
申请号：US12435039
申请日：2009-05-04
申请人： Farrokh Abrishamkar , Yingqun Yu , Michael McCloud , Divaydeep Sikri
发明人： Farrokh Abrishamkar , Yingqun Yu , Michael McCloud , Divaydeep Sikri
IPC分类号： H04L27/06 , H04B1/707
CPC分类号： H04B1/71052
摘要： Systems and methods for multi-user detection are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process a plurality of received chips into a plurality of received symbols for a plurality of users. The apparatus further comprises a computation unit configured to compute a multi-user matrix relating a plurality of user symbols for the plurality of users to the plurality of received symbols and a detection unit configured to detect the plurality of user symbols for the plurality of users using the computed multi-user matrix and the plurality of received symbols.
摘要翻译：提供了多用户检测的系统和方法。在本公开的一个方面，提供一种装置。该装置包括：处理单元，被配置为将多个接收到的码片处理为多个用户的多个接收符号。所述装置还包括计算单元，被配置为计算将所述多个用户的多个用户符号与所述多个接收到的符号相关联的多用户矩阵;以及检测单元，被配置为使用所述多个用户矩阵来检测所述多个用户的所述多个用户符号所计算的多用户矩阵和多个接收符号。

5. 发明授权

US08599677B2 Method and system for multi-user detection using two-stage processing 失效
标题翻译：使用两级处理的多用户检测方法和系统
公开(公告)号：US08599677B2
公开(公告)日：2013-12-03
申请号：US12435114
申请日：2009-05-04
申请人： Wenjun Li , Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Insung Kang
发明人： Wenjun Li , Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Insung Kang
IPC分类号： H04J11/00
CPC分类号： H04B1/71052
摘要： Systems and methods for multi-user detection in a multiple access system are provided. In one aspect, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users and a computation unit configured to compute a multi-user matrix using a Hadamard matrix, wherein the multi-user matrix relates user symbols for the plurality of users to the received symbols. The apparatus further comprises a detection unit configured to detect the user symbols for the plurality of users using the received symbols and the computed multi-user matrix.
摘要翻译：提供了一种用于多访问系统中多用户检测的系统和方法。一方面，提供了一种装置。该装置包括：处理单元，被配置为将接收到的码片处理为多个用户的接收符号;以及计算单元，被配置为使用哈达玛矩阵来计算多用户矩阵，其中多用户矩阵涉及多个用户的用户符号到收到的符号。所述装置还包括检测单元，被配置为使用所接收的符号和所计算的多用户矩阵来检测所述多个用户的用户符号。

6. 发明申请

US20100278035A1 METHOD AND SYSTEM FOR MULTI-USER DETECTION USING TWO-STAGE PROCESSING 失效
标题翻译：使用两阶段处理进行多用户检测的方法和系统
公开(公告)号：US20100278035A1
公开(公告)日：2010-11-04
申请号：US12435114
申请日：2009-05-04
申请人： Wenjun Li , Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Insung Kang
发明人： Wenjun Li , Yingqun Yu , Farrokh Abrishamkar , Divaydeep Sikri , Insung Kang
IPC分类号： H04J11/00
CPC分类号： H04B1/71052
摘要： Systems and methods for multi-user detection in a multiple access system are provided. In one aspect, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users and a computation unit configured to compute a multi-user matrix using a Hadamard matrix, wherein the multi-user matrix relates user symbols for the plurality of users to the received symbols. The apparatus further comprises a detection unit configured to detect the user symbols for the plurality of users using the received symbols and the computed multi-user matrix.
摘要翻译：提供了一种用于多访问系统中多用户检测的系统和方法。一方面，提供了一种装置。该装置包括：处理单元，被配置为将接收到的码片处理为多个用户的接收符号;以及计算单元，被配置为使用哈达玛矩阵来计算多用户矩阵，其中多用户矩阵与多个用户的用户符号相关到收到的符号。所述装置还包括检测单元，被配置为使用所接收的符号和所计算的多用户矩阵来检测所述多个用户的用户符号。

7. 发明申请

US20110286507A1 APPARATUS AND METHOD FOR CHANNEL ESTIMATION USING COMPRESSIVE SENSING BASED ON TAYLOR SERIES EXPANSION 失效
标题翻译：基于TAYLOR系列扩展的压缩感知的信道估计装置和方法
公开(公告)号：US20110286507A1
公开(公告)日：2011-11-24
申请号：US12950435
申请日：2010-11-19
申请人： Yingqun Yu , Farrokh Abrishamkar , Ni-Chun Wang , Ori Shental
发明人： Yingqun Yu , Farrokh Abrishamkar , Ni-Chun Wang , Ori Shental
IPC分类号： H04W24/00
CPC分类号： H04L25/0234 , H04L5/0048 , H04L25/0242 , H04L27/2607
摘要： An apparatus and method for channel estimation comprising determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients; determining a channel frequency response based on the channel impulse response; collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response; generating a sensing matrix based on the Taylor series expansion; and determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation.
摘要翻译：一种用于信道估计的装置和方法，包括使用具有多个泰勒级数系数的泰勒级数展开来确定信道脉冲响应; 基于信道脉冲响应确定信道频率响应; 在多个符号上收集信道频率响应以获得复合信道频率响应; 基于泰勒级数展开产生感测矩阵; 以及基于所述复合信道频率响应和所述感测矩阵使用压缩感测信道估计来确定所述多个泰勒级数系数。

8. 发明申请

US20100309956A1 METHOD AND SYSTEM FOR INTERFERENCE CANCELLATION 有权
标题翻译：干扰消除的方法和系统
公开(公告)号：US20100309956A1
公开(公告)日：2010-12-09
申请号：US12481203
申请日：2009-06-09
申请人： Wenjun Li , Farrokh Abrishamkar , Yingqun Yu
发明人： Wenjun Li , Farrokh Abrishamkar , Yingqun Yu
IPC分类号： H04B1/707 , H04B15/00
CPC分类号： H04B1/71072 , H04B2201/70702
摘要： Systems and methods for interference cancellation at a receiver in a wireless communication system are provided. In one aspect, a method for interference cancellation is provided. The method comprises providing total received chips received from a plurality of cells. The method also comprises successively estimating received chips for each of the plurality of cells in a plurality of iterations, wherein each of the plurality of iterations after a first iteration comprises canceling previously estimated received chips for one or more of the plurality of cells from the total received chips, and estimating received chips for one of the plurality of cells using the total received chips with the previously estimated received chips for the one or more of the plurality of cells cancelled out.
摘要翻译：提供了在无线通信系统中的接收机处的干扰消除的系统和方法。一方面，提供了一种用于干扰消除的方法。该方法包括提供从多个小区接收的总接收码片。该方法还包括在多个迭代中连续地估计多个小区中的每一个的接收码片，其中在第一次迭代之后的多个迭代中的每一个包括从总数中消除多个小区中的一个或多个的先前估计的接收码片并且使用具有先前估计的用于所述多个单元中的一个或多个的单元的先前估计的接收码片来估计所述多个小区中的一个小区的接收码片。

9. 发明授权

US08331505B2 Method and system for symbol detection using sub-constellations 失效
标题翻译：使用子星座的符号检测方法和系统
公开(公告)号：US08331505B2
公开(公告)日：2012-12-11
申请号：US12435120
申请日：2009-05-04
申请人： Farrokh Abrishamkar , Wenjun Li , Yingqun Yu , Prashant Udupa Sripathi
发明人： Farrokh Abrishamkar , Wenjun Li , Yingqun Yu , Prashant Udupa Sripathi
IPC分类号： H03D1/04
CPC分类号： H04L25/03063 , H04B1/7107 , H04B2201/70703 , H04J11/0036 , H04J13/0044 , H04J13/0048 , H04J13/12 , H04L27/3488 , H04L27/38
摘要： Systems and methods for symbol detection using sub-constellations are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users, a first detection unit configured to detect first components of user symbols for the plurality of users based on the received symbols and a computation unit configured to compute a portion of the received symbols due to the first components of the user symbols. The apparatus further comprises a second detection unit configured to detect second components of the user symbols based on the received symbols with the computed portion removed and a combining unit configured to detect the user symbols by combining the first components of the user symbols with the respective second components of the user symbols.
摘要翻译：提供了使用子星座进行符号检测的系统和方法。在本公开的一个方面，提供一种装置。该装置包括：处理单元，被配置为将接收到的码片处理为多个用户的接收符号;第一检测单元，被配置为基于接收的符号检测多个用户的用户符号的第一分量;以及计算单元，由于用户符号的第一分量，接收到的符号的部分。所述装置还包括：第二检测单元，被配置为基于所接收的符号检测所述用户符号的第二成分，所述接收到的符号被删除;以及组合单元，被配置为通过将所述用户符号的第一分量与相应的第二用户符号的组件。

10. 发明申请

US20110286558A1 APPARATUS AND METHOD FOR COMPRESSIVE SENSING TAP INDENTIFICATION FOR CHANNEL ESTIMATION 失效
标题翻译：用于信道估计的压缩感测点识别的装置和方法
公开(公告)号：US20110286558A1
公开(公告)日：2011-11-24
申请号：US12950452
申请日：2010-11-19
申请人： Farrokh Abrishamkar , Ni-Chun Wang , Ori Shental , Yingqun Yu
发明人： Farrokh Abrishamkar , Ni-Chun Wang , Ori Shental , Yingqun Yu
IPC分类号： H03D1/04
CPC分类号： H04L25/0242 , H04L5/0048 , H04L25/0234 , H04L27/2607
摘要： An apparatus and method for compressive sensing tap identification for channel estimation comprising identifying a set of significant taps in the time domain; representing a time-flat channel response using a Taylor series expansion with the set of significant taps; converting the time-flat channel response to a vectorized channel response; transforming the vectorized channel response to a compressive sensing (CS) polynomial frequency response; aggregating the CS polynomial frequency response into a stacked frequency response; converting the stacked frequency response into a measured pilot frequency response; estimating a channel parameter vector based on the measured pilot frequency response; and generating a reconstructed channel response from the channel parameter vector.
摘要翻译：一种用于信道估计的压缩感测抽头识别的装置和方法，包括在时域中识别一组重要抽头; 代表使用具有该组重要抽头的泰勒级数展开的时间平坦的信道响应; 将时间平坦的信道响应转换为矢量化信道响应; 将矢量化信道响应变换为压缩感知（CS）多项式频率响应; 将CS多项式频率响应聚合成堆叠频率响应; 将堆叠的频率响应转换成测量的导频响应; 基于所测量的导频频率响应估计信道参数向量; 以及从所述信道参数向量生成重建的信道响应。

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