JP2002511708A - 変換領域信号の定義特性を改善するシステム，装置および方法 - Google Patents
変換領域信号の定義特性を改善するシステム，装置および方法Info
- Publication number
- JP2002511708A JP2002511708A JP2000544105A JP2000544105A JP2002511708A JP 2002511708 A JP2002511708 A JP 2002511708A JP 2000544105 A JP2000544105 A JP 2000544105A JP 2000544105 A JP2000544105 A JP 2000544105A JP 2002511708 A JP2002511708 A JP 2002511708A
- Authority
- JP
- Japan
- Prior art keywords
- perturbation
- symbols
- block
- offset
- symbol
- 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
Links
- 238000000034 method Methods 0.000 title abstract description 35
- 238000013507 mapping Methods 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 230000003094 perturbing effect Effects 0.000 claims 2
- 230000001131 transforming effect Effects 0.000 claims 2
- 239000013598 vector Substances 0.000 description 49
- 239000011159 matrix material Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 16
- 238000001228 spectrum Methods 0.000 description 12
- 239000000654 additive Substances 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
-
- 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
- H04L27/2614—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5867198A | 1998-04-10 | 1998-04-10 | |
| US09/058,671 | 1998-04-10 | ||
| US7508698A | 1998-05-08 | 1998-05-08 | |
| US09/075,086 | 1998-05-08 | ||
| PCT/US1999/007841 WO1999053663A1 (en) | 1998-04-10 | 1999-04-09 | System, device and method for improving a defined property of transform-domain signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002511708A true JP2002511708A (ja) | 2002-04-16 |
Family
ID=26737890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000544105A Pending JP2002511708A (ja) | 1998-04-10 | 1999-04-09 | 変換領域信号の定義特性を改善するシステム，装置および方法 |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1068707A4 (pt) |
| JP (1) | JP2002511708A (pt) |
| KR (1) | KR20010042557A (pt) |
| CN (1) | CN1296689A (pt) |
| AU (1) | AU739896B2 (pt) |
| BR (1) | BR9909560A (pt) |
| CA (1) | CA2328098A1 (pt) |
| MX (1) | MXPA00009895A (pt) |
| WO (1) | WO1999053663A1 (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011041264A (ja) * | 2009-07-15 | 2011-02-24 | Toshiba Corp | データ通信方法及び装置 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100480775B1 (ko) * | 2000-11-18 | 2005-04-06 | 삼성전자주식회사 | 다중파 전송 시스템을 위한 최고 대 평균비 감소 방법 및장치 |
| WO2006046090A1 (en) * | 2004-10-28 | 2006-05-04 | Nokia Corporation | Recursive sequence generation for selected mapping in multi-carrier systems |
| EP1990964A1 (en) * | 2007-05-10 | 2008-11-12 | Thomson Licensing | Method of reducing a peak to average power ratio of a multicarrier signal |
| US8254482B2 (en) * | 2008-05-13 | 2012-08-28 | Samsung Electronics Co., Ltd. | Perturbed decoder, perturbed decoding method and apparatus in communication system using the same |
| EP3122013B1 (en) | 2014-04-17 | 2018-06-06 | Huawei Technologies Co., Ltd. | Coded modulation and demodulation method, apparatus and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479447A (en) * | 1993-05-03 | 1995-12-26 | The Board Of Trustees Of The Leland Stanford, Junior University | Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines |
| US5774500A (en) * | 1995-12-08 | 1998-06-30 | Board Of Trustees, The Leland Stanford Jr., University | Multi-channel trellis shaper |
| US6301268B1 (en) * | 1998-03-10 | 2001-10-09 | Lucent Technologies Inc. | Communication method for frequency division multiplexing signalling systems with reduced average power requirements |
-
1999
- 1999-04-09 WO PCT/US1999/007841 patent/WO1999053663A1/en not_active Application Discontinuation
- 1999-04-09 EP EP99916578A patent/EP1068707A4/en not_active Withdrawn
- 1999-04-09 KR KR1020007011220A patent/KR20010042557A/ko not_active Application Discontinuation
- 1999-04-09 AU AU34871/99A patent/AU739896B2/en not_active Ceased
- 1999-04-09 JP JP2000544105A patent/JP2002511708A/ja active Pending
- 1999-04-09 MX MXPA00009895A patent/MXPA00009895A/es unknown
- 1999-04-09 CA CA002328098A patent/CA2328098A1/en not_active Abandoned
- 1999-04-09 BR BR9909560-2A patent/BR9909560A/pt not_active IP Right Cessation
- 1999-04-09 CN CN99804957A patent/CN1296689A/zh active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011041264A (ja) * | 2009-07-15 | 2011-02-24 | Toshiba Corp | データ通信方法及び装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU739896B2 (en) | 2001-10-25 |
| BR9909560A (pt) | 2002-03-26 |
| CN1296689A (zh) | 2001-05-23 |
| CA2328098A1 (en) | 1999-10-21 |
| AU3487199A (en) | 1999-11-01 |
| MXPA00009895A (es) | 2002-04-24 |
| KR20010042557A (ko) | 2001-05-25 |
| EP1068707A1 (en) | 2001-01-17 |
| EP1068707A4 (en) | 2001-09-12 |
| WO1999053663A1 (en) | 1999-10-21 |
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