IL119849A - Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system - Google Patents

Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system

Info

Publication number
IL119849A
IL119849A IL11984996A IL11984996A IL119849A IL 119849 A IL119849 A IL 119849A IL 11984996 A IL11984996 A IL 11984996A IL 11984996 A IL11984996 A IL 11984996A IL 119849 A IL119849 A IL 119849A
Authority
IL
Israel
Prior art keywords
carrier
modem
adaptive allocation
pilot
carrier system
Prior art date
Application number
IL11984996A
Other languages
English (en)
Other versions
IL119849A0 (en
Original Assignee
Alsthom Cge Alkatel
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 Alsthom Cge Alkatel filed Critical Alsthom Cge Alkatel
Publication of IL119849A0 publication Critical patent/IL119849A0/xx
Publication of IL119849A publication Critical patent/IL119849A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Communication Control (AREA)
  • Telephonic Communication Services (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IL11984996A 1996-01-16 1996-12-17 Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system IL119849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96200097A EP0785645A1 (de) 1996-01-16 1996-01-16 Verfahren und Modem zur adaptiven Zuteilung des Referenzträgers in einem Mehrträgersystem

Publications (2)

Publication Number Publication Date
IL119849A0 IL119849A0 (en) 1997-03-18
IL119849A true IL119849A (en) 2003-01-12

Family

ID=8223589

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11984996A IL119849A (en) 1996-01-16 1996-12-17 Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system

Country Status (5)

Country Link
US (1) US5867528A (de)
EP (1) EP0785645A1 (de)
AU (1) AU724112B2 (de)
CA (1) CA2195234A1 (de)
IL (1) IL119849A (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998010545A1 (en) * 1996-09-02 1998-03-12 Telia Ab Improvements in, or relating to, multi-carrier transmission systems
US6370156B2 (en) * 1997-01-31 2002-04-09 Alcatel Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation
US6314102B1 (en) 1997-07-10 2001-11-06 Alcatel Telecommunications system for providing both narrowband and broadband services to subscribers
FR2768278B1 (fr) 1997-09-11 1999-11-26 France Telecom Procede d'estimation d'un decalage de phase parasite lors de la reception d'un signal multiporteuse, et recepteur correspondant
US6122247A (en) * 1997-11-24 2000-09-19 Motorola Inc. Method for reallocating data in a discrete multi-tone communication system
US6775840B1 (en) 1997-12-19 2004-08-10 Cisco Technology, Inc. Method and apparatus for using a spectrum analyzer for locating ingress noise gaps
KR100480747B1 (ko) * 1998-04-21 2005-07-11 삼성전자주식회사 Vdsl용dmt시스템에서의파일럿톤위치결정방법
US6574797B1 (en) 1999-01-08 2003-06-03 Cisco Technology, Inc. Method and apparatus for locating a cleaner bandwidth in a frequency channel for data transmission
US6985548B1 (en) * 1999-02-03 2006-01-10 Conexant Systems, Inc. System and method for timing recovery in a discrete multi-tone system
US6259391B1 (en) 1999-06-18 2001-07-10 Nortel Networks Limited Analog gain control adjustment using a probabilistic algorithm
US7027464B1 (en) * 1999-07-30 2006-04-11 Matsushita Electric Industrial Co., Ltd. OFDM signal transmission scheme, and OFDM signal transmitter/receiver
US6560445B1 (en) * 1999-10-22 2003-05-06 General Dynamics Decision Systems, Inc. Radio communication system and method of operation
US6898210B1 (en) * 1999-12-23 2005-05-24 3Com Corporation System and method for providing a local area network utilizing remote transceivers
US7149188B2 (en) * 2000-01-26 2006-12-12 Vyyo, Inc. Distributed processing for optimal QOS in a broadband access system
US7123650B2 (en) * 2000-01-26 2006-10-17 Vyyo, Inc. Offset carrier frequency correction in a two-way broadband wireless access system
AU2001231175A1 (en) * 2000-01-26 2001-08-07 Vyyo, Ltd. Quality of service scheduling scheme for a broadband wireless access system
AU2001241429A1 (en) * 2000-01-26 2001-08-07 Vyyo, Ltd. Power inserter configuration for wireless modems
US6941119B2 (en) * 2000-01-26 2005-09-06 Vyyo Ltd. Redundancy scheme for the radio frequency front end of a broadband wireless hub
US7027776B2 (en) * 2000-01-26 2006-04-11 Vyyo, Inc. Transverter control mechanism for a wireless modem in a broadband access system
WO2001056200A1 (en) * 2000-01-26 2001-08-02 Vyyo, Ltd. A unidirectional communication scheme for remote maintenance and co ntrol in a broadband wireless access system
US6498821B2 (en) 2000-01-26 2002-12-24 Vyyo, Ltd. Space diversity method and system for broadband wireless access
AU2001237985A1 (en) 2000-01-26 2001-08-07 Vyyo, Ltd. Two-dimensional scheduling scheme for a broadband wireless access system
US7359434B2 (en) 2000-01-26 2008-04-15 Vyyo Ltd. Programmable PHY for broadband wireless access systems
US6987754B2 (en) 2000-03-07 2006-01-17 Menashe Shahar Adaptive downstream modulation scheme for broadband wireless access systems
WO2001069824A1 (en) * 2000-03-14 2001-09-20 Vyyo, Ltd. Low-complexity beam forming and antenna diversity receiver
EP1162803A1 (de) 2000-06-05 2001-12-12 Telefonaktiebolaget L M Ericsson (Publ) Frequenznachlaufgerät und -verfahren für einen Empfänger eines Multiträger-Kommunikationssystems
US20020067772A1 (en) * 2000-06-28 2002-06-06 Shepperd Michael B. Method and system for sending information over metal wire
US6973123B2 (en) * 2001-03-21 2005-12-06 International Business Machines Corporation System and method for controlling line driver power in digital subscriber line modems
JP3665598B2 (ja) * 2001-09-26 2005-06-29 株式会社東芝 マルチキャリア通信装置
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
EP1335553A1 (de) 2002-02-12 2003-08-13 Alcatel Synchronisierung des Symboltaktes in einem Mehrträgerübertragungssystem
GB2386519B (en) 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Adaptive Multicarrier Communication
US6947530B1 (en) * 2002-11-13 2005-09-20 Advanced Micro Devices, Inc. Adaptive pilot tone location in a transmission system
KR100512172B1 (ko) 2003-02-13 2005-09-02 삼성전자주식회사 비대칭 디지털 가입자 라인 시스템
EP1542488A1 (de) 2003-12-12 2005-06-15 Telefonaktiebolaget LM Ericsson (publ) Verfahren un vorrichtung zur Zuweisung von Kanaladaptierten Pilotsignalen
US7783193B2 (en) * 2006-05-30 2010-08-24 Alcatel Lucent Noise tone avoidance in optical networks
KR100920386B1 (ko) * 2006-11-30 2009-10-07 삼성전자주식회사 광대역 무선통신 시스템에서 타이밍 오프셋을 보상하기위한 장치 및 방법
US20080225985A1 (en) * 2007-03-13 2008-09-18 Wu Shiquan Robert Method and Apparatus for Enhancing GSM System Capacity

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177040A (ja) * 1985-01-31 1986-08-08 Nec Corp 無線回線制御方式
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5375123A (en) * 1993-02-05 1994-12-20 Telefonakitebolaget L. M. Ericsson Allocation of channels using interference estimation
DE4325190A1 (de) * 1993-07-27 1995-02-02 Siemens Ag Funksystem mit Frequenz-Optimierung
WO1995007581A1 (de) * 1993-09-10 1995-03-16 Deutsche Thomson-Brandt Gmbh Verfahren zur übertragung von referenzsignalen in einem ofdm-system
US5491837A (en) * 1994-03-07 1996-02-13 Ericsson Inc. Method and system for channel allocation using power control and mobile-assisted handover measurements
JP3139909B2 (ja) * 1994-03-15 2001-03-05 株式会社東芝 階層的直交周波数多重伝送方式および送受信装置
US5577022A (en) * 1994-11-22 1996-11-19 Qualcomm Incorporated Pilot signal searching technique for a cellular communications system

Also Published As

Publication number Publication date
IL119849A0 (en) 1997-03-18
AU1016797A (en) 1997-07-24
EP0785645A1 (de) 1997-07-23
CA2195234A1 (en) 1997-07-17
US5867528A (en) 1999-02-02
AU724112B2 (en) 2000-09-14

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees