WO2004054193A3 - Method and apparatus for scrambling based peak-to-average power ratio reduction without side information - Google Patents

Method and apparatus for scrambling based peak-to-average power ratio reduction without side information Download PDF

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Publication number
WO2004054193A3
WO2004054193A3 PCT/CA2003/001906 CA0301906W WO2004054193A3 WO 2004054193 A3 WO2004054193 A3 WO 2004054193A3 CA 0301906 W CA0301906 W CA 0301906W WO 2004054193 A3 WO2004054193 A3 WO 2004054193A3
Authority
WO
WIPO (PCT)
Prior art keywords
scrambling
side information
average power
power ratio
ratio reduction
Prior art date
Application number
PCT/CA2003/001906
Other languages
French (fr)
Other versions
WO2004054193A2 (en
Inventor
Amir Khandani
Peiying Zhu
Wen Tong
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Priority to AU2003291879A priority Critical patent/AU2003291879A1/en
Publication of WO2004054193A2 publication Critical patent/WO2004054193A2/en
Publication of WO2004054193A3 publication Critical patent/WO2004054193A3/en

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Classifications

    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H04L1/0058—Block-coded modulation
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • 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
    • H04L27/2614—Peak power aspects
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/2615—Reduction thereof using coding

Abstract

Provided is a system and method for scrambling based peak-to-average power ratio reduction without side information. One of a set of scrambling sequences is used at the transmitter which results in either a minimum or acceptable peak power. Rather than transmitting side information identifying which of the set of scrambling sequences was selected, the scrambling sequence is also applied to the CRC, and using syndrome detection the receiver is capable of determining which scrambling sequence was used at the transmitter and can proceed with the necessary de-scrambling.
PCT/CA2003/001906 2002-12-09 2003-12-09 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information WO2004054193A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003291879A AU2003291879A1 (en) 2002-12-09 2003-12-09 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/314,347 US7318185B2 (en) 2001-08-23 2002-12-09 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information
US10/314,347 2002-12-09

Publications (2)

Publication Number Publication Date
WO2004054193A2 WO2004054193A2 (en) 2004-06-24
WO2004054193A3 true WO2004054193A3 (en) 2004-07-29

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Family Applications (1)

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PCT/CA2003/001906 WO2004054193A2 (en) 2002-12-09 2003-12-09 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information

Country Status (3)

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US (1) US7318185B2 (en)
AU (1) AU2003291879A1 (en)
WO (1) WO2004054193A2 (en)

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Also Published As

Publication number Publication date
US7318185B2 (en) 2008-01-08
AU2003291879A1 (en) 2004-06-30
AU2003291879A8 (en) 2004-06-30
WO2004054193A2 (en) 2004-06-24
US20040093545A1 (en) 2004-05-13

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