ID20460A - Alat penerima, alat pemancar-penerima, dan metode komunikasi - Google Patents
Alat penerima, alat pemancar-penerima, dan metode komunikasiInfo
- Publication number
- ID20460A ID20460A IDP980902A ID980902A ID20460A ID 20460 A ID20460 A ID 20460A ID P980902 A IDP980902 A ID P980902A ID 980902 A ID980902 A ID 980902A ID 20460 A ID20460 A ID 20460A
- Authority
- ID
- Indonesia
- Prior art keywords
- recipient
- tools
- communication methods
- communication
- methods
- 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
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
-
- 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
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
-
- 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
- H04L27/2649—Demodulators
-
- 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
- H04L27/36—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
- H04L27/38—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16775797A JP3745502B2 (ja) | 1997-06-24 | 1997-06-24 | 受信装置及び送受信装置並びに通信方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ID20460A true ID20460A (id) | 1998-12-24 |
Family
ID=15855536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IDP980902A ID20460A (id) | 1997-06-24 | 1998-06-22 | Alat penerima, alat pemancar-penerima, dan metode komunikasi |
Country Status (9)
Country | Link |
---|---|
US (1) | US6243423B1 (ko) |
EP (1) | EP0887976B1 (ko) |
JP (1) | JP3745502B2 (ko) |
KR (1) | KR100526821B1 (ko) |
CN (1) | CN1252938C (ko) |
AU (1) | AU748411B2 (ko) |
DE (1) | DE69831449T2 (ko) |
ID (1) | ID20460A (ko) |
MY (1) | MY124580A (ko) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6563881B1 (en) * | 1998-07-13 | 2003-05-13 | Sony Corporation | Communication method and transmitter with transmission symbols arranged at intervals on a frequency axis |
JP4147438B2 (ja) * | 1998-09-04 | 2008-09-10 | 富士通株式会社 | 復調器 |
KR100531357B1 (ko) * | 1999-02-05 | 2005-11-28 | 엘지전자 주식회사 | 이동무선 통신 시스템의 수신기에 있어서 오류 정정 복호화 장치 및 방법 |
GB2346776B (en) * | 1999-02-13 | 2001-09-12 | Motorola Ltd | Synchronisation lock detector and method |
US6925067B2 (en) | 1999-04-23 | 2005-08-02 | Qualcomm, Incorporated | Configuration of overhead channels in a mixed bandwidth system |
JP4531734B2 (ja) * | 1999-05-10 | 2010-08-25 | 株式会社エヌ・ティ・ティ・ドコモ | インターリーブ方法及び送信装置 |
US6542475B1 (en) * | 1999-08-09 | 2003-04-01 | At&T Corp. | Method and system for providing enhanced call service features at remote locations |
JP4284774B2 (ja) * | 1999-09-07 | 2009-06-24 | ソニー株式会社 | 送信装置、受信装置、通信システム、送信方法及び通信方法 |
US7099413B2 (en) * | 2000-02-07 | 2006-08-29 | At&T Corp. | Method for near optimal joint channel estimation and data detection for COFDM systems |
JP3581294B2 (ja) * | 2000-03-31 | 2004-10-27 | 株式会社東芝 | 受信装置 |
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 |
JP3609355B2 (ja) * | 2000-07-24 | 2005-01-12 | シャープ株式会社 | Ofdm復調装置 |
JP3419749B2 (ja) * | 2000-10-10 | 2003-06-23 | 松下電器産業株式会社 | 受信装置および受信方法 |
SE0004403L (sv) * | 2000-11-29 | 2002-05-30 | Ericsson Telefon Ab L M | Metoder och anordningar i ett telekommunikationssystem |
JP2002185430A (ja) * | 2000-12-13 | 2002-06-28 | Sony Corp | 受信装置及び方法 |
GB0126067D0 (en) * | 2001-10-31 | 2001-12-19 | Zarlink Semiconductor Ltd | Method of and apparatus for detecting impulsive noise method of operating a demodulator demodulator and radio receiver |
GB2388756A (en) * | 2002-05-17 | 2003-11-19 | Hewlett Packard Co | Calculating an estimate of bit reliability in a OFDM receiver by multiplication of the channel state modulus |
WO2004049661A1 (en) * | 2002-11-22 | 2004-06-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Calculation of soft decision values using reliability information of the amplitude |
EP1422896A1 (en) * | 2002-11-22 | 2004-05-26 | Telefonaktiebolaget LM Ericsson (publ) | Calculation of soft decision values using reliability information of the amplitude |
KR20040068771A (ko) * | 2003-01-27 | 2004-08-02 | 삼성전자주식회사 | 소프트 복조 방법 및 소프트 복조 장치 |
US7822150B2 (en) * | 2003-03-15 | 2010-10-26 | Alcatel-Lucent Usa Inc. | Spherical decoder for wireless communications |
US7154966B2 (en) * | 2003-06-30 | 2006-12-26 | Telefonaktiebolaget L M Ericsson (Publ) | Method and system for M-QAM detection in communication systems |
AU2004212605A1 (en) | 2003-09-26 | 2005-04-14 | Nec Australia Pty Ltd | Computation of soft bits for a turbo decoder in a communication receiver |
US7315578B2 (en) * | 2003-12-24 | 2008-01-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Fast soft value computation methods for gray-mapped QAM |
US7512185B2 (en) | 2004-03-08 | 2009-03-31 | Infineon Technologies Ag | Dual carrier modulator for a multiband OFDM UWB transceiver |
GB0419946D0 (en) * | 2004-09-08 | 2004-10-13 | British Telecomm | High data rate demodulation system |
JP4403974B2 (ja) * | 2005-01-21 | 2010-01-27 | 株式会社日立製作所 | 適応変調方法並びに符号化率制御方法 |
US7379445B2 (en) * | 2005-03-31 | 2008-05-27 | Yongfang Guo | Platform noise mitigation in OFDM receivers |
US7386823B2 (en) * | 2005-07-20 | 2008-06-10 | Springsoft, Inc. | Rule-based schematic diagram generator |
KR101401835B1 (ko) | 2006-03-29 | 2014-05-29 | 톰슨 라이센싱 | Fsk 수신기의 주파수 제한 증폭기 |
GB0614836D0 (en) * | 2006-07-26 | 2006-09-06 | Ttp Communications Ltd | Soft decision processing |
JP5003147B2 (ja) * | 2006-12-26 | 2012-08-15 | ソニー株式会社 | 信号処理装置および信号処理方法、並びにプログラム |
JP5336994B2 (ja) * | 2009-10-19 | 2013-11-06 | キヤノン株式会社 | 通信方法及び通信装置 |
US8340202B2 (en) | 2010-03-11 | 2012-12-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for efficient soft modulation for gray-mapped QAM symbols |
US8811465B2 (en) * | 2010-12-24 | 2014-08-19 | Mitsubishi Electric Corporation | Reception device and method |
WO2015037342A1 (ja) * | 2013-09-10 | 2015-03-19 | ソニー株式会社 | 通信装置及び通信方法 |
CN110365583B (zh) * | 2019-07-17 | 2020-05-22 | 南京航空航天大学 | 一种基于桥接域迁移学习的符号预测方法及系统 |
KR20230026138A (ko) | 2021-08-17 | 2023-02-24 | 삼성전자주식회사 | 복수의 이전 신호들에 기초하여 dpsk를 수행하는 통신 장치 및 이의 동작 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5191576A (en) * | 1988-11-18 | 1993-03-02 | L'Etat Francais and Telediffusion de France S.A. | Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization |
US5519730A (en) * | 1990-06-12 | 1996-05-21 | Jasper; Steven C. | Communication signal having a time domain pilot component |
US5278871A (en) * | 1992-03-19 | 1994-01-11 | Motorola, Inc. | Method and apparatus for estimating signal weighting parameters in a receiver |
US5412686A (en) * | 1993-09-17 | 1995-05-02 | Motorola Inc. | Method and apparatus for power estimation in a communication system |
US5533062A (en) * | 1994-10-03 | 1996-07-02 | Motorola, Inc. | Method and apparatus for carrier tracking and demodulation |
JP3582139B2 (ja) * | 1995-03-31 | 2004-10-27 | ソニー株式会社 | データ復調装置およびデータ伝送方法 |
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 |
-
1997
- 1997-06-24 JP JP16775797A patent/JP3745502B2/ja not_active Expired - Fee Related
-
1998
- 1998-06-19 MY MYPI98002783A patent/MY124580A/en unknown
- 1998-06-22 ID IDP980902A patent/ID20460A/id unknown
- 1998-06-23 KR KR1019980023727A patent/KR100526821B1/ko not_active IP Right Cessation
- 1998-06-23 AU AU73146/98A patent/AU748411B2/en not_active Ceased
- 1998-06-24 DE DE69831449T patent/DE69831449T2/de not_active Expired - Lifetime
- 1998-06-24 EP EP98111650A patent/EP0887976B1/en not_active Expired - Lifetime
- 1998-06-24 US US09/103,994 patent/US6243423B1/en not_active Expired - Lifetime
- 1998-06-24 CN CNB981032745A patent/CN1252938C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU7314698A (en) | 1999-01-07 |
CN1216419A (zh) | 1999-05-12 |
EP0887976A3 (en) | 2001-05-16 |
MY124580A (en) | 2006-06-30 |
AU748411B2 (en) | 2002-06-06 |
JP3745502B2 (ja) | 2006-02-15 |
JPH1117761A (ja) | 1999-01-22 |
US6243423B1 (en) | 2001-06-05 |
EP0887976A2 (en) | 1998-12-30 |
CN1252938C (zh) | 2006-04-19 |
DE69831449T2 (de) | 2006-06-14 |
DE69831449D1 (de) | 2005-10-13 |
KR19990007245A (ko) | 1999-01-25 |
KR100526821B1 (ko) | 2006-01-27 |
EP0887976B1 (en) | 2005-09-07 |
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