SE0004403D0 - Methods and arrangements in a telecommunications system - Google Patents

Methods and arrangements in a telecommunications system

Info

Publication number
SE0004403D0
SE0004403D0 SE0004403A SE0004403A SE0004403D0 SE 0004403 D0 SE0004403 D0 SE 0004403D0 SE 0004403 A SE0004403 A SE 0004403A SE 0004403 A SE0004403 A SE 0004403A SE 0004403 D0 SE0004403 D0 SE 0004403D0
Authority
SE
Sweden
Prior art keywords
antenna
training sequences
receiving unit
cyclically rotated
predetermined step
Prior art date
Application number
SE0004403A
Other languages
English (en)
Other versions
SE0004403L (sv
Inventor
Peter Larsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0004403A priority Critical patent/SE0004403L/sv
Publication of SE0004403D0 publication Critical patent/SE0004403D0/sv
Priority to PCT/SE2001/002292 priority patent/WO2002045329A1/en
Priority to EP01977021A priority patent/EP1338110B1/en
Priority to DE60127163T priority patent/DE60127163T2/de
Priority to AT01977021T priority patent/ATE356479T1/de
Priority to CNB01819639XA priority patent/CN1312873C/zh
Priority to ES01977021T priority patent/ES2282300T3/es
Priority to AU2001296171A priority patent/AU2001296171A1/en
Priority to TW090126573A priority patent/TW525358B/zh
Priority to US09/995,759 priority patent/US7082159B2/en
Publication of SE0004403L publication Critical patent/SE0004403L/sv

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)
SE0004403A 2000-11-29 2000-11-29 Metoder och anordningar i ett telekommunikationssystem SE0004403L (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE0004403A SE0004403L (sv) 2000-11-29 2000-11-29 Metoder och anordningar i ett telekommunikationssystem
AU2001296171A AU2001296171A1 (en) 2000-11-29 2001-10-18 Methods and arrangements in a telecommunications system
AT01977021T ATE356479T1 (de) 2000-11-29 2001-10-18 Verfahren und anordnungen in einem telekommunikationssystem
EP01977021A EP1338110B1 (en) 2000-11-29 2001-10-18 Methods and arrangements in a telecommunications system
DE60127163T DE60127163T2 (de) 2000-11-29 2001-10-18 Verfahren und anordnungen in einem telekommunikationssystem
PCT/SE2001/002292 WO2002045329A1 (en) 2000-11-29 2001-10-18 Methods and arrangements in a telecommunications system
CNB01819639XA CN1312873C (zh) 2000-11-29 2001-10-18 一种用于无线通信系统中的方法
ES01977021T ES2282300T3 (es) 2000-11-29 2001-10-18 Metodo y distribuciones en un sistema de telecomunicaciones.
TW090126573A TW525358B (en) 2000-11-29 2001-10-26 Methods and arrangements in a telecommunications system
US09/995,759 US7082159B2 (en) 2000-11-29 2001-11-29 Methods and arrangements in a telecommunications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004403A SE0004403L (sv) 2000-11-29 2000-11-29 Metoder och anordningar i ett telekommunikationssystem

Publications (2)

Publication Number Publication Date
SE0004403D0 true SE0004403D0 (sv) 2000-11-29
SE0004403L SE0004403L (sv) 2002-05-30

Family

ID=20282031

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004403A SE0004403L (sv) 2000-11-29 2000-11-29 Metoder och anordningar i ett telekommunikationssystem

Country Status (10)

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

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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
US8743976B2 (en) * 2009-09-03 2014-06-03 Ziva Corporation Techniques and systems for communications based on time reversal pre-coding
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Also Published As

Publication number Publication date
US20020118771A1 (en) 2002-08-29
CN1478341A (zh) 2004-02-25
WO2002045329A1 (en) 2002-06-06
DE60127163T2 (de) 2007-12-13
ES2282300T3 (es) 2007-10-16
AU2001296171A1 (en) 2002-06-11
DE60127163D1 (de) 2007-04-19
CN1312873C (zh) 2007-04-25
TW525358B (en) 2003-03-21
US7082159B2 (en) 2006-07-25
SE0004403L (sv) 2002-05-30
ATE356479T1 (de) 2007-03-15
EP1338110A1 (en) 2003-08-27
EP1338110B1 (en) 2007-03-07

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