DE1214796T1 - Mehrbenutzerdetektor für variable spreizfaktoren - Google Patents

Mehrbenutzerdetektor für variable spreizfaktoren

Info

Publication number
DE1214796T1
DE1214796T1 DE1214796T DE00904639T DE1214796T1 DE 1214796 T1 DE1214796 T1 DE 1214796T1 DE 1214796 T DE1214796 T DE 1214796T DE 00904639 T DE00904639 T DE 00904639T DE 1214796 T1 DE1214796 T1 DE 1214796T1
Authority
DE
Germany
Prior art keywords
receiver
spreading factors
system transmission
cholesky decomposition
multiuser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE1214796T
Other languages
English (en)
Inventor
Alexander Reznik
J Lubecki
Ariela Zeira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by InterDigital Technology Corp filed Critical InterDigital Technology Corp
Publication of DE1214796T1 publication Critical patent/DE1214796T1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71052—Joint detection techniques, e.g. linear detectors using decorrelation matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H04B2201/70705—Rate detection
DE1214796T 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren Pending DE1214796T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15498599P 1999-09-21 1999-09-21
PCT/US2000/002621 WO2001022610A1 (en) 1999-09-21 2000-02-02 Multiuser detector for variable spreading factors

Publications (1)

Publication Number Publication Date
DE1214796T1 true DE1214796T1 (de) 2002-11-28

Family

ID=22553662

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1214796T Pending DE1214796T1 (de) 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren
DE60017424T Expired - Lifetime DE60017424T2 (de) 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60017424T Expired - Lifetime DE60017424T2 (de) 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren

Country Status (19)

Country Link
US (2) US7136369B2 (de)
EP (1) EP1214796B1 (de)
JP (2) JP4365063B2 (de)
KR (3) KR100495758B1 (de)
CN (3) CN1897473A (de)
AT (1) ATE287149T1 (de)
AU (1) AU2636500A (de)
BR (1) BR0014206A (de)
CA (1) CA2385082C (de)
DE (2) DE1214796T1 (de)
DK (1) DK1214796T3 (de)
ES (1) ES2234566T3 (de)
HK (1) HK1046338B (de)
IL (4) IL148607A0 (de)
MX (1) MXPA02002819A (de)
NO (2) NO325841B1 (de)
SG (1) SG152901A1 (de)
TW (1) TW493321B (de)
WO (1) WO2001022610A1 (de)

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CN1170389C (zh) * 2002-11-13 2004-10-06 大唐移动通信设备有限公司 在联合检测系统中应用长小区化码的方法
JP4343844B2 (ja) * 2002-11-19 2009-10-14 ビーエーイー・システムズ・インフォメーション・アンド・エレクトロニック・システムズ・インテグレーション・インコーポレーテッド 帯域幅効率に優れたワイヤレスネットワークモデム
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US7245673B2 (en) * 2003-06-25 2007-07-17 Bae Systems Information And Electronic Systems Integration Inc. Windowed multiuser detection
US7236546B2 (en) 2003-09-10 2007-06-26 Bae Systems Information And Electronic Systems Integration Inc. Pipelined turbo multiuser detection
US8503328B2 (en) 2004-09-01 2013-08-06 Qualcomm Incorporated Methods and apparatus for transmission of configuration information in a wireless communication network
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US7610025B2 (en) 2005-03-29 2009-10-27 Qualcomm Incorporated Antenna array pattern distortion mitigation
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US8879378B2 (en) * 2010-05-28 2014-11-04 Selim Shlomo Rakib Orthonormal time-frequency shifting and spectral shaping communications method
WO2013068790A1 (en) * 2011-11-11 2013-05-16 Pismo Labs Technology Ltd. Protocol for layer two multiple network links tunnelling
US10044841B2 (en) 2011-11-11 2018-08-07 Pismo Labs Technology Limited Methods and systems for creating protocol header for embedded layer two packets
US10469215B2 (en) 2012-06-25 2019-11-05 Cohere Technologies, Inc. Orthogonal time frequency space modulation system for the Internet of Things
US10411843B2 (en) 2012-06-25 2019-09-10 Cohere Technologies, Inc. Orthogonal time frequency space communication system compatible with OFDM
US10091798B2 (en) 2012-11-07 2018-10-02 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US9693361B2 (en) 2012-11-07 2017-06-27 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US9148804B2 (en) 2012-11-07 2015-09-29 Massachusetts Institute Of Technology Method and apparatus for making optimal use of an asymmetric interference channel in wireless communication systems
US9693351B2 (en) 2012-11-07 2017-06-27 Massachusetts Institute Of Technology Method and apparatus for rate determination in a radio frequency system
US9998199B2 (en) 2013-03-14 2018-06-12 Massachusetts Institute Of Technology Method and apparatus for smart adaptive dynamic range multiuser detection radio receiver
US10299281B2 (en) 2014-06-16 2019-05-21 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US9699665B2 (en) 2014-06-16 2017-07-04 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US10159004B2 (en) 2014-11-03 2018-12-18 Massachusetts Institute Of Technology Message fractionation and physical layer channel assignment for multiuser detection-enabled wireless communication among adaptive interference
US10574317B2 (en) 2015-06-18 2020-02-25 Cohere Technologies, Inc. System and method for providing wireless communication services using configurable broadband infrastructure shared among multiple network operators
US11522600B1 (en) 2018-08-01 2022-12-06 Cohere Technologies, Inc. Airborne RF-head system
US11690090B2 (en) 2019-05-21 2023-06-27 Massachusetts Institute Of Technology Mitigation of communication signal interference using adaptive transmit power
US11005507B2 (en) 2019-06-14 2021-05-11 Massachusetts Institute Of Technology Targeted ratio of signal power to interference plus noise power for enhancement of a multi-user detection receiver

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Also Published As

Publication number Publication date
NO20021307L (no) 2002-05-15
US7778232B2 (en) 2010-08-17
CN1674456A (zh) 2005-09-28
HK1046338B (zh) 2005-08-19
DE60017424T2 (de) 2005-12-29
CN100425010C (zh) 2008-10-08
KR100495758B1 (ko) 2005-06-16
JP2003510884A (ja) 2003-03-18
US20080198828A1 (en) 2008-08-21
US7136369B2 (en) 2006-11-14
NO20081291L (no) 2002-05-15
MXPA02002819A (es) 2003-07-21
CN1201499C (zh) 2005-05-11
EP1214796B1 (de) 2005-01-12
TW493321B (en) 2002-07-01
IL182118A0 (en) 2007-07-24
JP2008017520A (ja) 2008-01-24
IL148607A (en) 2007-07-04
JP4365063B2 (ja) 2009-11-18
US20020176392A1 (en) 2002-11-28
NO325841B1 (no) 2008-07-28
KR20040097241A (ko) 2004-11-17
CN1376338A (zh) 2002-10-23
NO20021307D0 (no) 2002-03-15
AU2636500A (en) 2001-04-24
SG152901A1 (en) 2009-06-29
BR0014206A (pt) 2002-05-21
WO2001022610A1 (en) 2001-03-29
ES2234566T3 (es) 2005-07-01
IL148607A0 (en) 2002-09-12
CN1897473A (zh) 2007-01-17
CA2385082A1 (en) 2001-03-29
ATE287149T1 (de) 2005-01-15
HK1046338A1 (en) 2003-01-03
DE60017424D1 (de) 2005-02-17
IL182118A (en) 2009-07-20
KR100493750B1 (ko) 2005-06-07
EP1214796A1 (de) 2002-06-19
IL195539A (en) 2011-08-31
DK1214796T3 (da) 2005-04-04
CA2385082C (en) 2008-04-08
KR20020038934A (ko) 2002-05-24
KR20050039883A (ko) 2005-04-29
WO2001022610A9 (en) 2004-04-01

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