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DE60127163D1 - Verfahren und anordnungen in einem telekommunikationssystem - Google Patents

Verfahren und anordnungen in einem telekommunikationssystem

Info

Publication number
DE60127163D1
DE60127163D1 DE60127163T DE60127163T DE60127163D1 DE 60127163 D1 DE60127163 D1 DE 60127163D1 DE 60127163 T DE60127163 T DE 60127163T DE 60127163 T DE60127163 T DE 60127163T DE 60127163 D1 DE60127163 D1 DE 60127163D1
Authority
DE
Germany
Prior art keywords
antenna
training sequences
receiving unit
cyclically rotated
predetermined step
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.)
Expired - Lifetime
Application number
DE60127163T
Other languages
English (en)
Other versions
DE60127163T2 (de
Inventor
Peter Larsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60127163D1 publication Critical patent/DE60127163D1/de
Publication of DE60127163T2 publication Critical patent/DE60127163T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Lock And Its Accessories (AREA)
DE60127163T 2000-11-29 2001-10-18 Verfahren und anordnungen in einem telekommunikationssystem Expired - Lifetime DE60127163T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0004403A SE0004403L (sv) 2000-11-29 2000-11-29 Metoder och anordningar i ett telekommunikationssystem
SE0004403 2000-11-29
PCT/SE2001/002292 WO2002045329A1 (en) 2000-11-29 2001-10-18 Methods and arrangements in a telecommunications system

Publications (2)

Publication Number Publication Date
DE60127163D1 true DE60127163D1 (de) 2007-04-19
DE60127163T2 DE60127163T2 (de) 2007-12-13

Family

ID=20282031

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60127163T Expired - Lifetime DE60127163T2 (de) 2000-11-29 2001-10-18 Verfahren und anordnungen in einem telekommunikationssystem

Country Status (10)

Country Link
US (1) US7082159B2 (de)
EP (1) EP1338110B1 (de)
CN (1) CN1312873C (de)
AT (1) ATE356479T1 (de)
AU (1) AU2001296171A1 (de)
DE (1) DE60127163T2 (de)
ES (1) ES2282300T3 (de)
SE (1) SE0004403L (de)
TW (1) TW525358B (de)
WO (1) WO2002045329A1 (de)

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TWI446763B (zh) 2006-01-11 2014-07-21 Interdigital Tech Corp 以不等調變及編碼方法實施空時處理方法及裝置
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US9444650B2 (en) * 2006-04-27 2016-09-13 Texas Instruments Incorporated Methods and apparatus to allocate reference signals in wireless communication systems
US8428197B2 (en) * 2006-06-01 2013-04-23 Qualcomm Incorporated Enhanced channel estimation for communication system receiver
US8244190B2 (en) * 2006-07-03 2012-08-14 Telefonaktiebolaget L M Ericsson (Publ) Multi-antenna relay with self-interference cancellation
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JP4907721B2 (ja) * 2006-12-07 2012-04-04 インターデイジタル テクノロジー コーポレーション トレーニング信号および情報ビットを割り当てるための無線通信方法および装置
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CN101420409B (zh) * 2008-10-27 2012-01-11 宁波大学 一种抗干扰数字电视地面广播发射机调制方法
CN101764627B (zh) * 2008-12-26 2014-05-07 株式会社Ntt都科摩 确定上行链路的解调导频序列的方法、终端以及上行链路系统
CN101582713B (zh) * 2009-06-02 2012-07-25 清华大学 一种基于tds-ofdm系统的双天线发射分集实现方法及其系统
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Also Published As

Publication number Publication date
WO2002045329A1 (en) 2002-06-06
ATE356479T1 (de) 2007-03-15
SE0004403L (sv) 2002-05-30
US7082159B2 (en) 2006-07-25
DE60127163T2 (de) 2007-12-13
US20020118771A1 (en) 2002-08-29
ES2282300T3 (es) 2007-10-16
CN1478341A (zh) 2004-02-25
EP1338110B1 (de) 2007-03-07
TW525358B (en) 2003-03-21
EP1338110A1 (de) 2003-08-27
SE0004403D0 (sv) 2000-11-29
CN1312873C (zh) 2007-04-25
AU2001296171A1 (en) 2002-06-11

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