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1. 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。

2. 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。

3. 发明授权

US08995498B2 Apparatus and method for two-stage linear/nonlinear interference cancellation 有权
标题翻译：两级线性/非线性干扰消除的装置和方法
公开(公告)号：US08995498B2
公开(公告)日：2015-03-31
申请号：US12906328
申请日：2010-10-18
申请人： Yingqun Yu , Farrokh Abrishamkar , Wenjun Li , Andrew K. Kan
发明人： Yingqun Yu , Farrokh Abrishamkar , Wenjun Li , Andrew K. Kan
IPC分类号： H04B1/00 , H04B1/7107 , H04B1/7105 , H04J11/00
CPC分类号： H04B1/7107 , H04B1/71052 , H04J11/0046 , H04J11/0056
摘要： An apparatus and method for a two-stage linear/nonlinear interference cancellation comprising processing a receive signal to produce a first descrambled signal; and processing the first descrambled signal to produce a detected signal. In one aspect, a first interference canceller module is used for processing the received signal and a second interference canceller module is used for processing the first descrambled signal. In one aspect, the first interference canceller is a linear interference canceller (IC) and the second interference canceller is a linear/nonlinear interference canceller (IC).
摘要翻译：一种用于两级线性/非线性干扰消除的装置和方法，包括处理接收信号以产生第一解扰信号; 以及处理第一解扰信号以产生检测信号。一方面，第一干扰消除器模块用于处理接收的信号，第二干扰消除器模块用于处理第一解扰信号。一方面，第一干扰消除器是线性干扰消除器（IC），第二干扰消除器是线性/非线性干扰消除器（IC）。

4. 发明申请

US20100278284A1 METHOD AND SYSTEM FOR SYMBOL DETECTION USING SUB-CONSTELLATIONS 失效
标题翻译：使用辅助信号进行符号检测的方法和系统
公开(公告)号：US20100278284A1
公开(公告)日：2010-11-04
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： H04L25/08 , H04L27/06 , H03D1/24 , H04L27/22
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成部分。

5. 发明申请

US20100278216A1 METHOD AND SYSTEM FOR INTER-CELL INTERFERENCE CANCELLATION 失效
标题翻译：用于细胞间干扰消除的方法和系统
公开(公告)号：US20100278216A1
公开(公告)日：2010-11-04
申请号：US12435085
申请日：2009-05-04
申请人： Farrokh Abrishamkar , Yingqun Yu , Wenjun Li
发明人： Farrokh Abrishamkar , Yingqun Yu , Wenjun Li
IPC分类号： H04B1/707 , H04B15/00
CPC分类号： H04B1/7107
摘要： Systems and methods for inter-cell interference cancellation are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a cell computation unit configured to compute receive chips for a first interfering cell and a subtraction unit configured to remove the computed receive chips for the first interfering cell from received chips at a receiver. The apparatus further comprises a processing unit configured to process the received chips with the computed receive chips for the first interfering cell removed into received symbols and a detection unit configured to detect user symbols for a target cell from the received symbols.
摘要翻译：提供了小区间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。所述装置包括：单元计算单元，被配置为计算第一干扰小区的接收码片;以及减法单元，被配置为从所述接收机的接收码片中去除所计算出的所述第一干扰小区的接收码片。所述装置还包括：处理单元，被配置为处理所接收的码片，所计算出的接收码片用于将所述第一干扰信元移除到接收符号中;以及检测单元，被配置为从所接收的符号检测目标小区的用户符号。

6. 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。

7. 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。

8. 发明授权

US08494098B2 Method and system for inter-cell interference cancellation 失效
标题翻译：小区间干扰消除的方法和系统
公开(公告)号：US08494098B2
公开(公告)日：2013-07-23
申请号：US12435085
申请日：2009-05-04
申请人： Farrokh Abrishamkar , Yingqun Yu , Wenjun Li
发明人： Farrokh Abrishamkar , Yingqun Yu , Wenjun Li
IPC分类号： H04B1/7097
CPC分类号： H04B1/7107
摘要： Systems and methods for inter-cell interference cancellation are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a cell computation unit configured to compute receive chips for a first interfering cell and a subtraction unit configured to remove the computed receive chips for the first interfering cell from received chips at a receiver. The apparatus further comprises a processing unit configured to process the received chips with the computed receive chips for the first interfering cell removed into received symbols and a detection unit configured to detect user symbols for a target cell from the received symbols.
摘要翻译：提供了小区间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。所述装置包括：单元计算单元，被配置为计算第一干扰小区的接收码片;以及减法单元，被配置为从所述接收机的接收码片中去除所计算出的所述第一干扰小区的接收码片。所述装置还包括：处理单元，被配置为处理所接收的码片，所计算出的接收码片用于将所述第一干扰信元移除到接收符号中;以及检测单元，被配置为从所接收的符号检测目标小区的用户符号。

9. 发明授权

US08451963B2 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：US08451963B2
公开(公告)日：2013-05-28
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： H03D1/04 , H03D1/06 , H03K5/01 , H03K6/04 , H04B1/10 , H04L1/00 , H04L25/08
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。

10. 发明申请

US20120093269A1 APPARATUS AND METHOD FOR TWO-STAGE LINEAR/NONLINEAR INTERFERENCE CANCELLATION 有权
标题翻译：两级线性/非线性干扰消除的装置和方法
公开(公告)号：US20120093269A1
公开(公告)日：2012-04-19
申请号：US12906328
申请日：2010-10-18
申请人： Yingqun Yu , Farrokh Abrishamkar , Wenjun Li , Andrew K. Kan
发明人： Yingqun Yu , Farrokh Abrishamkar , Wenjun Li , Andrew K. Kan
IPC分类号： H04B1/10
CPC分类号： H04B1/7107 , H04B1/71052 , H04J11/0046 , H04J11/0056
摘要： An apparatus and method for a two-stage linear/nonlinear interference cancellation comprising processing a receive signal to produce a first descrambled signal; and processing the first descrambled signal to produce a detected signal. In one aspect, a first interference canceller module is used for processing the received signal and a second interference canceller module is used for processing the first descrambled signal. In one aspect, the first interference canceller is a linear interference canceller (IC) and the second interference canceller is a linear/nonlinear interference canceller (IC).
摘要翻译：一种用于两级线性/非线性干扰消除的装置和方法，包括处理接收信号以产生第一解扰信号; 以及处理第一解扰信号以产生检测信号。一方面，第一干扰消除器模块用于处理接收的信号，第二干扰消除器模块用于处理第一解扰信号。一方面，第一干扰消除器是线性干扰消除器（IC），第二干扰消除器是线性/非线性干扰消除器（IC）。

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