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1. 发明申请

WO2010129440A1 METHOD AND SYSTEM FOR MULTI-USER DETECTION USING TWO-STAGE PROCESSING 审中-公开
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：WO2010129440A1
公开(公告)日：2010-11-11
申请号：PCT/US2010/033296
申请日：2010-04-30
申请人： QUALCOMM INCORPORATED , LI, Wenjun , YU, Yingqun , ABRISHAMKAR, Farrokh , SIKRI, Divaydeep , KANG, Insung
发明人： LI, Wenjun , YU, Yingqun , ABRISHAMKAR, Farrokh , SIKRI, Divaydeep , KANG, Insung
IPC分类号： H04B1/707
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

WO2010129437A1 METHOD AND SYSTEM FOR MULTI-USER DETECTION USING TWO-STAGE PROCESSING 审中-公开
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：WO2010129437A1
公开(公告)日：2010-11-11
申请号：PCT/US2010/033288
申请日：2010-04-30
申请人： QUALCOMM INCORPORATED , ABRISHAMKAR, Farrokh , YU, Yingqun , McCLOUD, Michael, L. , SIKRI, Divaydeep
发明人： ABRISHAMKAR, Farrokh , YU, Yingqun , McCLOUD, Michael, L. , SIKRI, Divaydeep
IPC分类号： 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检测多个用户的多个用户符号所计算的多用户矩阵和多个接收符号。

3. 发明申请

WO2010129436A1 METHOD AND SYSTEM FOR MULTI-USER INTERFERENCE CANCELLATION 审中-公开
标题翻译：用于多用户干扰消除的方法和系统
公开(公告)号：WO2010129436A1
公开(公告)日：2010-11-11
申请号：PCT/US2010/033265
申请日：2010-04-30
申请人： QUALCOMM INCORPORATED , YU, Yingqun , ABRISHAMKAR, Farrokh , SIKRI, Divaydeep , McCLOUD, Michael, L.
发明人： YU, Yingqun , ABRISHAMKAR, Farrokh , SIKRI, Divaydeep , McCLOUD, Michael, L.
IPC分类号： H04B1/707 , H04L25/02
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。

4. 发明申请

WO2010144506A1 METHOD AND SYSTEM FOR INTERFERENCE CANCELLATION 审中-公开
标题翻译：干扰消除的方法和系统
公开(公告)号：WO2010144506A1
公开(公告)日：2010-12-16
申请号：PCT/US2010/037853
申请日：2010-06-08
申请人： QUALCOMM Incorporated , LI, Wenjun , ABRISHAMKAR, Farrokh , YU, Yingqun
发明人： LI, Wenjun , ABRISHAMKAR, Farrokh , YU, Yingqun
IPC分类号： H04B1/707
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 (2810). The method also comprises successively estimating received chips for each of the plurality of cells in a plurality of iterations (2820), 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 (2830).
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（2810）。该方法还包括在多次迭代（2820）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消除多个小区中的一个或多个的先前估计的接收码片从所述总接收到的芯片中，使用所述多个小区中的所述一个或多个被消除的所述先前估计的接收码片的总接收码片来估计所述多个小区中的一个小区的接收码片（2830）。

5. 发明申请

WO2010129439A3 METHOD AND SYSTEM FOR MULTIUSER DETECTION 审中-公开
标题翻译：用于多用户检测的方法和系统
公开(公告)号：WO2010129439A3
公开(公告)日：2010-11-11
申请号：PCT/US2010/033292
申请日：2010-04-30
申请人： QUALCOMM INCORPORATED , ABRISHAMKAR, Farrokh , LI, Wenjun , YU, Yingqun , SRIPATHI, Prashant, Udupa
发明人： ABRISHAMKAR, Farrokh , LI, Wenjun , YU, Yingqun , SRIPATHI, Prashant, Udupa
IPC分类号： H04L25/03 , H04L27/34 , H04L27/38 , H04B1/707
摘要： Systems and methods for symbol detection 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：提供了用于符号检测的系统和方法。在本公开的一个方面中，提供了一种装置。该设备包括：处理单元，被配置为将接收到的码片处理成针对多个用户的接收码元;第一检测单元，被配置为基于接收到的码元检测多个用户的用户码元的第一分量;以及计算单元，由于用户符号的第一分量而导致接收符号的一部分。该装置进一步包括：第二检测单元，被配置为基于具有去除的计算部分的接收到的符号来检测用户符号的第二分量;以及组合单元，被配置为通过将用户符号的第一分量与相应的第二分量相组合来检测用户符号用户符号的组件。

6. 发明申请

WO2012054494A1 APPARATUS AND METHOD FOR TWO-STAGE LINEAR/NONLINEAR INTERFERENCE CANCELLATION 审中-公开
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：WO2012054494A1
公开(公告)日：2012-04-26
申请号：PCT/US2011/056726
申请日：2011-10-18
申请人： QUALCOMM INCORPORATED , YU, Yingqun , ABRISHAMKAR, Farrokh , LI, Wenjun , KAN, Andrew K.
发明人： YU, Yingqun , ABRISHAMKAR, Farrokh , LI, Wenjun , KAN, Andrew K.
IPC分类号： 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）。

7. 发明申请

WO2010129438A1 METHOD AND SYSTEM FOR MULTI-USER DETECTION IN THE PRESENCE OF MULTIPLE SPREADING FACTORS 审中-公开
标题翻译：用于多用户检测的多个扩展因子的方法和系统
公开(公告)号：WO2010129438A1
公开(公告)日：2010-11-11
申请号：PCT/US2010/033289
申请日：2010-04-30
申请人： QUALCOMM INCORPORATED , YU, Yingqun , LI, Wenjun , ABRISHAMKAR, Farrokh , SRIPATHI, Prashant, Udupa
发明人： YU, Yingqun , LI, Wenjun , ABRISHAMKAR, Farrokh , SRIPATHI, Prashant, Udupa
IPC分类号： H04B1/707
CPC分类号： H04B1/7103 , H04B2201/70703
摘要： Methods and systems for multi-user detection in the presence of multiple spreading factors are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises an interference computation unit configured to compute a combined interference based on detected user symbols for a first spreading factor and detected user symbols for a second spreading factor, wherein the combined interference accounts for multi-user interference from user symbols for the first and second spreading factors. The apparatus further comprises an interference cancellation unit configured to remove the computed combined interference from a plurality of received symbols corresponding to the first spreading factor and a redetection unit configured to redetect the user symbols for the first spreading factor from the plurality of received symbols with the computed combined interference removed.
摘要翻译：提供了在存在多个扩展因子的情况下进行多用户检测的方法和系统。在本公开的一个方面，提供一种装置。所述装置包括：干扰计算单元，被配置为基于用于第一扩频因子的检测到的用户符号和用于第二扩频因子的检测到的用户符号来计算组合干扰，其中所述组合干扰考虑来自用户符号的第一和第二个传播因素。所述装置还包括：干扰消除单元，被配置为从对应于所述第一扩频因子的多个接收符号中去除所述计算出的组合干扰;以及重新检测单元，被配置为从所述多个接收到的符号重新检测所述第一扩频因子的用户符号，计算出的组合干扰被去除。

8. 发明申请

WO2010129368A1 METHOD AND SYSTEM FOR INTER-CELL INTERFERENCE CANCELLATION 审中-公开
标题翻译：用于细胞间干扰消除的方法和系统
公开(公告)号：WO2010129368A1
公开(公告)日：2010-11-11
申请号：PCT/US2010/032842
申请日：2010-04-28
申请人： QUALCOMM INCORPORATED , ABRISHAMKAR, Farrokh , YU, Yingqun , LI, Wenjun
发明人： ABRISHAMKAR, Farrokh , YU, Yingqun , LI, Wenjun
IPC分类号： H04B1/707
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. 发明申请

WO2011066290A1 APPARATUS AND METHOD FOR CHANNEL ESTIMATION USING COMPRESSIVE SENSING BASED ON TAYLOR SERIES EXPANSION 审中-公开
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：WO2011066290A1
公开(公告)日：2011-06-03
申请号：PCT/US2010/057815
申请日：2010-11-23
申请人： QUALCOMM INCORPORATED , ABRISHAMKAR, Farrokh , SHENTAL, Ori , WANG, Ni-Chun , YU, Yingqun
发明人： ABRISHAMKAR, Farrokh , SHENTAL, Ori , WANG, Ni-Chun , YU, Yingqun
IPC分类号： H04L25/02
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。

10. 发明申请

WO2010129365A1 METHOD AND SYSTEM FOR DATA-AIDED CHANNEL ESTIMATION 审中-公开
标题翻译：数据通道信道估计的方法和系统
公开(公告)号：WO2010129365A1
公开(公告)日：2010-11-11
申请号：PCT/US2010/032837
申请日：2010-04-28
申请人： QUALCOMM INCORPORATED , YU, Yingqun , ABRISHAMKAR, Farrokh
发明人： YU, Yingqun , ABRISHAMKAR, Farrokh
IPC分类号： H04B1/707 , H04L25/02
CPC分类号： H04L25/061 , H04B1/7103 , H04B2201/70701 , H04L25/0242 , H04L2025/0342
摘要： Systems and methods for data-aided channel estimation are provided. In one aspect of the disclosure, a channel estimation apparatus is provided. The apparatus comprises a first processing unit configured to process received chips into received symbols and a detection unit configured to detect user symbols from the received symbols. The apparatus further comprises a second processing unit configured to process the detected user symbols into estimated transmit chips and a channel computation unit configured to estimate a channel based on the estimated transmit chips and the received chips.
摘要翻译：提供了数据辅助信道估计的系统和方法。在本公开的一个方面，提供了一种信道估计装置。该装置包括：第一处理单元，被配置为将接收到的码片处理为接收符号;以及检测单元，被配置为从所接收的符号检测用户符号。该装置还包括：第二处理单元，被配置为将检测到的用户符号处理为估计的发送码片;以及信道计算单元，被配置为基于估计的发送码片和接收的码片来估计信道。

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