IL129939A0 - Data modulation method and related modulator and demodulator devices - Google Patents

Data modulation method and related modulator and demodulator devices

Info

Publication number
IL129939A0
IL129939A0 IL12993999A IL12993999A IL129939A0 IL 129939 A0 IL129939 A0 IL 129939A0 IL 12993999 A IL12993999 A IL 12993999A IL 12993999 A IL12993999 A IL 12993999A IL 129939 A0 IL129939 A0 IL 129939A0
Authority
IL
Israel
Prior art keywords
data symbols
carrier
constellation
modulation method
data modulation
Prior art date
Application number
IL12993999A
Other languages
English (en)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of IL129939A0 publication Critical patent/IL129939A0/xx

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
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • 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
    • H04L27/32—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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5607—Radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5614—User Network Interface
    • H04L2012/5616—Terminal equipment, e.g. codecs, synch.
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • H04L2012/5673—Coding or scrambling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
IL12993999A 1998-05-29 1999-05-13 Data modulation method and related modulator and demodulator devices IL129939A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98401298A EP0961515B1 (en) 1998-05-29 1998-05-29 Data modulation method, and related modulator and demodulator devices

Publications (1)

Publication Number Publication Date
IL129939A0 true IL129939A0 (en) 2000-02-29

Family

ID=8235385

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12993999A IL129939A0 (en) 1998-05-29 1999-05-13 Data modulation method and related modulator and demodulator devices

Country Status (9)

Country Link
EP (1) EP0961515B1 (ja)
JP (1) JP2000134177A (ja)
KR (1) KR19990088625A (ja)
AT (1) ATE220283T1 (ja)
AU (1) AU3225399A (ja)
CA (1) CA2272801A1 (ja)
DE (1) DE69806345D1 (ja)
ES (1) ES2176930T3 (ja)
IL (1) IL129939A0 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6961369B1 (en) 1999-11-09 2005-11-01 Aware, Inc. System and method for scrambling the phase of the carriers in a multicarrier communications system
WO2001039426A1 (en) * 1999-11-22 2001-05-31 Advanced Micro Devices, Inc. Method and apparatus for using low power training in adsl system
US7411998B1 (en) 1999-11-22 2008-08-12 Advanced Micro Devices, Inc. Method and apparatus for using low power training
EP1128623A1 (en) * 2000-02-24 2001-08-29 Alcatel Method to minimise transmission power of idle ATM cells in a XDSL system with trellis coded modulation
WO2001076118A2 (en) 2000-04-04 2001-10-11 Tioga Technologies Inc. Transmission of stationary signals in quiescent mode
WO2002093822A1 (en) * 2001-05-17 2002-11-21 Telefonaktiebolaget Lm Ericsson Methods and arrangements relating to a telecommunication system
US7075978B2 (en) * 2001-08-06 2006-07-11 Broadcom Corporation Multi-tone transmission
US7133443B2 (en) * 2001-08-06 2006-11-07 Broadcom Corporation Multi-tone transmission
US7363039B2 (en) 2002-08-08 2008-04-22 Qualcomm Incorporated Method of creating and utilizing diversity in multiple carrier communication system
US8190163B2 (en) 2002-08-08 2012-05-29 Qualcomm Incorporated Methods and apparatus of enhanced coding in multi-user communication systems
US6961595B2 (en) 2002-08-08 2005-11-01 Flarion Technologies, Inc. Methods and apparatus for operating mobile nodes in multiple states
KR100451212B1 (ko) * 2002-10-31 2004-10-13 엘지전자 주식회사 무선 통신 시스템의 다중레벨변조방식을 위한 비연속 전송비트 처리 방법
WO2004075442A2 (en) 2003-02-19 2004-09-02 Flarion Technologies, Inc. Methods and apparatus of enhanced coding in multi-user communications systems
US8593932B2 (en) 2003-05-16 2013-11-26 Qualcomm Incorporated Efficient signal transmission methods and apparatus using a shared transmission resource
US7925291B2 (en) 2003-08-13 2011-04-12 Qualcomm Incorporated User specific downlink power control channel Q-bit
CN100566322C (zh) * 2004-12-13 2009-12-02 上海贝尔阿尔卡特股份有限公司 传输寻呼指示和告知指示的方法及相应调制和解调装置
EP1867125B1 (en) * 2005-03-08 2012-11-07 QUALCOMM Incorporated Transmission methods and apparatus combining pulse position modulation and hierarchical modulation
KR101122368B1 (ko) 2007-01-11 2012-03-27 콸콤 인코포레이티드 무선 통신 시스템에서의 ｄｔｘ 및 ｄｒｘ 사용
EP1976140A1 (en) * 2007-03-26 2008-10-01 Nokia Siemens Networks Gmbh & Co. Kg Method and device for reducing transmission power of packet oriented data and communication system comprising such device
EP2452457A1 (en) * 2009-07-09 2012-05-16 Nokia Siemens Networks OY Method and device for generating an aggregate signal to reduce the transmission power
CN110798303B (zh) * 2013-05-05 2022-08-05 领特贝特林共有限责任两合公司 用于低功率模式的分时
US11463288B2 (en) 2021-06-14 2022-10-04 Ultralogic 6G, Llc Amplitude-variation encoding for high-density 5G/6G modulation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541964A (en) * 1993-08-30 1996-07-30 At&T Corp. Distortion compensation technique
KR100395584B1 (ko) * 1995-06-08 2004-02-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 위상변조기와주파수멀티플라이어를갖는전송기를이용한전송시스템
JPH09307569A (ja) * 1996-05-17 1997-11-28 Matsushita Electric Ind Co Ltd Ａｔｍ無線伝送装置

Also Published As

Publication number Publication date
ATE220283T1 (de) 2002-07-15
EP0961515B1 (en) 2002-07-03
AU3225399A (en) 1999-12-09
CA2272801A1 (en) 1999-11-29
DE69806345D1 (de) 2002-08-08
ES2176930T3 (es) 2002-12-01
KR19990088625A (ko) 1999-12-27
EP0961515A1 (en) 1999-12-01
JP2000134177A (ja) 2000-05-12

Similar Documents

Publication Publication Date Title
IL129939A0 (en) Data modulation method and related modulator and demodulator devices
CN1222143C (zh) 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
EP2070283B1 (en) PAPR reduction using generalized constellation rotation
AU2003251169B2 (en) Transmitting/receiving apparatus and method for reducing PAPR in an OFDM mobile communication system
KR970705264A (ko) 공통파 네트 워크에서 다중 반송파 전송(multiple carrier transmisson in common wave broadcasting networks)
CA2385125A1 (en) Method and apparatus for reducing peak to average power ratio in digital broadcasting systems
EP1411664A4 (en) MULTI-CARRIER TRANSMISSION DEVICE, MULTI-CARRIER RECEIVING DEVICE AND MULTI-CARRIER COMMUNICATION METHOD
DE69841693D1 (de) System zur Mehrträgermodulation, mit veränderbaren Symbolgeschwindigkeiten
CA2300852A1 (en) A method for demodulating information in a communication system that supports multiple modulation schemes
CN107040487B (zh) 信号处理方法及装置
EP1603266A3 (en) Method and apparatus for transmitting uplink acknowledgement information in an OFDMA communication system
NO990773D0 (no) Multibµrer transmisjonssystem, og fremgangsmÕte for transmisjon av kanalinformasjon
EP0982908A3 (en) Reference subcarrier setting for multicarrier transission
EP1387496A3 (en) Satellite communication system utilizing low density parity check (LDPC) codes
WO2007091235A3 (en) Low peak-to-average power ratio transmission in frequency-division multiple access systems
WO2000079717A8 (fr) Dispositif et procede de communication
WO1998039869A3 (en) System and method for using circular constellations with uncoded modulation
WO1998034368A3 (en) Method and device in a communication system
US6781951B1 (en) Radio communication system
EP0735731A3 (en) Multicarrier modulator demodulator, with arrangements for reducing peak power
CA2340685A1 (en) Method and device for transmitting information symbols using a plurality of carriers and method and device for receiving information symbols
DE838928T1 (de) Entzerrung von Mehrträgersignalen
WO1999025103A3 (de) Verfahren und schaltungsanordnung zur übertragung ausgewählten signalpunkten einer signalkonstellation
AU1250101A (en) Subdimensional single-carrier modulation
MY142160A (en) Method for signaling information by modifying modulation constellations