CN1244323A - 多载波调制系统中峰值对平均值功率比的减小 - Google Patents
多载波调制系统中峰值对平均值功率比的减小 Download PDFInfo
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- CN1244323A CN1244323A CN97199293A CN97199293A CN1244323A CN 1244323 A CN1244323 A CN 1244323A CN 97199293 A CN97199293 A CN 97199293A CN 97199293 A CN97199293 A CN 97199293A CN 1244323 A CN1244323 A CN 1244323A
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3411—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
-
- 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
- H04L27/2614—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
- H04L27/2621—Reduction thereof using phase offsets between subcarriers
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19635813A DE19635813A1 (de) | 1996-09-04 | 1996-09-04 | Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren |
DE19635813.2 | 1996-09-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1244323A true CN1244323A (zh) | 2000-02-09 |
CN1222143C CN1222143C (zh) | 2005-10-05 |
Family
ID=7804558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971992932A Expired - Lifetime CN1222143C (zh) | 1996-09-04 | 1997-09-02 | 减小多载波调制系统中峰值对平均值功率比的方法和设备 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6125103A (zh) |
EP (1) | EP0925672A1 (zh) |
JP (1) | JP3999271B2 (zh) |
KR (1) | KR100346336B1 (zh) |
CN (1) | CN1222143C (zh) |
AU (1) | AU4620197A (zh) |
DE (1) | DE19635813A1 (zh) |
TW (1) | TW358272B (zh) |
WO (1) | WO1998010567A1 (zh) |
Cited By (2)
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CN100454793C (zh) * | 2001-11-09 | 2009-01-21 | 三星电子株式会社 | 减少ofdm移动通信系统峰值平均功率比的设备和方法 |
CN1881974B (zh) * | 2005-06-16 | 2011-04-06 | Lg电子株式会社 | 发送/接收ofdm信号的方法及其移动通信终端 |
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US6424681B1 (en) * | 1998-04-20 | 2002-07-23 | The Board Of Trustees Of The Leland Stanford Junior University | Peak to average power ratio reduction |
US6512797B1 (en) | 1998-04-20 | 2003-01-28 | The Board Of Trustees Of The Leland Stanford Junior University | Peak to average power ratio reduction |
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-
1997
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- 1997-09-02 JP JP51222598A patent/JP3999271B2/ja not_active Expired - Lifetime
- 1997-09-02 KR KR1019997001790A patent/KR100346336B1/ko not_active IP Right Cessation
- 1997-09-02 CN CNB971992932A patent/CN1222143C/zh not_active Expired - Lifetime
- 1997-09-02 AU AU46201/97A patent/AU4620197A/en not_active Abandoned
- 1997-09-02 EP EP97944821A patent/EP0925672A1/en not_active Withdrawn
- 1997-09-02 WO PCT/EP1997/004770 patent/WO1998010567A1/en not_active Application Discontinuation
- 1997-09-03 US US08/922,394 patent/US6125103A/en not_active Expired - Lifetime
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Publication number | Priority date | Publication date | Assignee | Title |
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CN100454793C (zh) * | 2001-11-09 | 2009-01-21 | 三星电子株式会社 | 减少ofdm移动通信系统峰值平均功率比的设备和方法 |
CN1881974B (zh) * | 2005-06-16 | 2011-04-06 | Lg电子株式会社 | 发送/接收ofdm信号的方法及其移动通信终端 |
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DE19635813A1 (de) | 1998-03-05 |
US6125103A (en) | 2000-09-26 |
KR100346336B1 (ko) | 2002-07-26 |
CN1222143C (zh) | 2005-10-05 |
WO1998010567A1 (en) | 1998-03-12 |
TW358272B (en) | 1999-05-11 |
JP3999271B2 (ja) | 2007-10-31 |
JP2000517500A (ja) | 2000-12-26 |
KR20000068425A (ko) | 2000-11-25 |
AU4620197A (en) | 1998-03-26 |
EP0925672A1 (en) | 1999-06-30 |
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