ATE333744T1 - Mehrträgerdemodulator - Google Patents
MehrträgerdemodulatorInfo
- Publication number
- ATE333744T1 ATE333744T1 AT00987576T AT00987576T ATE333744T1 AT E333744 T1 ATE333744 T1 AT E333744T1 AT 00987576 T AT00987576 T AT 00987576T AT 00987576 T AT00987576 T AT 00987576T AT E333744 T1 ATE333744 T1 AT E333744T1
- Authority
- AT
- Austria
- Prior art keywords
- multi carrier
- carrier demodulator
- demodulator
- carrier modulation
- map
- Prior art date
Links
Classifications
-
- 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
- H04L27/38—Demodulator circuits; Receiver circuits
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Error Detection And Correction (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stereo-Broadcasting Methods (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2000/004999 WO2002054695A1 (en) | 2000-12-28 | 2000-12-28 | Demodulator circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE333744T1 true ATE333744T1 (de) | 2006-08-15 |
Family
ID=9886784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00987576T ATE333744T1 (de) | 2000-12-28 | 2000-12-28 | Mehrträgerdemodulator |
Country Status (5)
Country | Link |
---|---|
US (1) | US7912155B2 (de) |
EP (1) | EP1348286B1 (de) |
AT (1) | ATE333744T1 (de) |
DE (1) | DE60029488T2 (de) |
WO (1) | WO2002054695A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0110907D0 (en) * | 2001-05-03 | 2001-06-27 | British Broadcasting Corp | Improvements in decoders for many carrier signals, in particular in DVB-T recievers |
US7822150B2 (en) * | 2003-03-15 | 2010-10-26 | Alcatel-Lucent Usa Inc. | Spherical decoder for wireless communications |
KR100996080B1 (ko) * | 2003-11-19 | 2010-11-22 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서적응적 변조 및 코딩 제어 장치 및 방법 |
JP2013501395A (ja) * | 2009-07-31 | 2013-01-10 | ソ、ホン−ソク | 直交周波数分割多重方式によるチャネル状態情報を適用して受信信号を処理する受信信号処理方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5134635A (en) * | 1990-07-30 | 1992-07-28 | Motorola, Inc. | Convolutional decoder using soft-decision decoding with channel state information |
JP2978792B2 (ja) * | 1996-10-31 | 1999-11-15 | 株式会社次世代デジタルテレビジョン放送システム研究所 | 軟判定方式及び受信装置 |
JPH1117760A (ja) | 1997-06-24 | 1999-01-22 | Sony Corp | 受信装置及び送受信装置並びに通信方法 |
FI103235B (fi) * | 1997-06-26 | 1999-05-14 | Nokia Telecommunications Oy | Häiriönpoistomenetelmä OFDM-radiovastaanottimessa |
DE19920999B4 (de) | 1998-05-09 | 2005-06-30 | Lg Electronics Inc. | Verfahren und Vorrichtung zum Empfangen eines digitalen Videosignals |
EP0998087A1 (de) * | 1998-10-30 | 2000-05-03 | Lucent Technologies Inc. | Mehrpegelübertragungssystem und -Verfahren mit adaptiver Abbildung |
JP3405258B2 (ja) * | 1999-03-12 | 2003-05-12 | 日本電気株式会社 | 軟判定復号用復調結果出力方法及び受信機 |
GB2355164B (en) | 1999-10-07 | 2004-06-09 | Oak Technology Inc | Demodulator circuit |
US6977972B1 (en) * | 2000-07-12 | 2005-12-20 | Sharp Laboratories Of America, Inc. | Method of hybrid soft/hard decision demodulation of signals with multilevel modulation |
-
2000
- 2000-12-28 WO PCT/GB2000/004999 patent/WO2002054695A1/en active IP Right Grant
- 2000-12-28 DE DE60029488T patent/DE60029488T2/de not_active Expired - Lifetime
- 2000-12-28 EP EP00987576A patent/EP1348286B1/de not_active Expired - Lifetime
- 2000-12-28 US US10/250,353 patent/US7912155B2/en not_active Expired - Lifetime
- 2000-12-28 AT AT00987576T patent/ATE333744T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1348286A1 (de) | 2003-10-01 |
DE60029488D1 (de) | 2006-08-31 |
EP1348286B1 (de) | 2006-07-19 |
US20040071229A1 (en) | 2004-04-15 |
WO2002054695A1 (en) | 2002-07-11 |
DE60029488T2 (de) | 2007-01-04 |
US7912155B2 (en) | 2011-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW200742281A (en) | Flexible time-frequency multiplexing structure for wireless communication | |
HK1121321A1 (en) | De-coupling forward and reverse link assignment for multi-carrier wireless communication systems | |
DE69841693D1 (de) | System zur Mehrträgermodulation, mit veränderbaren Symbolgeschwindigkeiten | |
NO20006676L (no) | Effektstyring i en flerbærebölge-radiosender | |
DE60126368D1 (de) | Geteilte Kanalstruktur, Systeme und Verfahren | |
UA96004C2 (uk) | Передача інформації з використанням послідовностей з циклічним зсувом | |
TW200704046A (en) | Timing corrections in a multi carrier system and propagation to a channel estimation time filter | |
PL364827A1 (en) | Information carrier, apparatus, substrate, and system | |
WO2007123366A3 (en) | A method of configuring multiuser packet and a structure thereof in a wireless communication system | |
WO2004095165A3 (en) | Carrier management for a network | |
MY139177A (en) | Apparatus and methods for communicating using symbol-modulated subcarriers | |
DE19983794T1 (de) | Qam-Modulator für Funkkommunikation | |
FR2806576B1 (fr) | Procede d'emission de signaux radio, reseau d'acces et terminal de radiocommunication appliquant le procede | |
FI970185A (fi) | Tiedonsiirtomenetelmä ja radiojärjestelmä | |
UA91509C2 (ru) | Система модуляции с множеством несущих с разнесением циклических задержек | |
DE60126113D1 (de) | Funkkommunikationssystem mit reduzierter datenrate auf dem broadcast-kanal | |
CA2300852A1 (en) | A method for demodulating information in a communication system that supports multiple modulation schemes | |
GB2437858A (en) | Training symbol format for mimo ofdm systems | |
ATE513401T1 (de) | Mehrträgersystem mit einer mehrzahl von snr- abständen | |
ATE554624T1 (de) | Kapazitätszuweisung für paketdatenträger | |
ATE463112T1 (de) | Verringerung von funkfrequenzstörungen in mehrträgerübertragungssystemen | |
MX2010002706A (es) | Simbolos de radiobaliza multiplexados para un sistema de comunicacion inalambrica. | |
WO2001026318A3 (en) | Demodulator circuit for demapping a multi-carrier signal using channel state information | |
NO995801L (no) | Datakommunikasjons- og radiosystem | |
WO2005057797A3 (en) | Multicarrier orthogonal spread-spectrum (moss) data communications |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |