DE69835948D1 - Verfahren und einrichtung zur übertragung von zusammengesetzten trägersignalen - Google Patents

Verfahren und einrichtung zur übertragung von zusammengesetzten trägersignalen

Info

Publication number
DE69835948D1
DE69835948D1 DE69835948T DE69835948T DE69835948D1 DE 69835948 D1 DE69835948 D1 DE 69835948D1 DE 69835948 T DE69835948 T DE 69835948T DE 69835948 T DE69835948 T DE 69835948T DE 69835948 D1 DE69835948 D1 DE 69835948D1
Authority
DE
Germany
Prior art keywords
compound signals
transmitting compound
transmitting
signals
compound
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.)
Expired - Lifetime
Application number
DE69835948T
Other languages
English (en)
Other versions
DE69835948T2 (de
Inventor
D Kotzin
Joseph Schuler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Mobility LLC
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE69835948D1 publication Critical patent/DE69835948D1/de
Application granted granted Critical
Publication of DE69835948T2 publication Critical patent/DE69835948T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
DE69835948T 1997-02-26 1998-01-20 Verfahren und einrichtung zur übertragung von zusammengesetzten trägersignalen Expired - Lifetime DE69835948T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/805,818 US5894498A (en) 1997-02-26 1997-02-26 Method and apparatus for analyzing a composite carrier signal
US805818 1997-02-26
PCT/US1998/000900 WO1998038807A2 (en) 1997-02-26 1998-01-20 Method and apparatus for analyzing a composite carrier signal

Publications (2)

Publication Number Publication Date
DE69835948D1 true DE69835948D1 (de) 2006-11-02
DE69835948T2 DE69835948T2 (de) 2007-04-26

Family

ID=25192587

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835948T Expired - Lifetime DE69835948T2 (de) 1997-02-26 1998-01-20 Verfahren und einrichtung zur übertragung von zusammengesetzten trägersignalen

Country Status (8)

Country Link
US (1) US5894498A (de)
EP (1) EP0963643B1 (de)
JP (1) JP4024311B2 (de)
KR (1) KR100313413B1 (de)
CN (1) CN1217519C (de)
CA (1) CA2281542C (de)
DE (1) DE69835948T2 (de)
WO (1) WO1998038807A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339514A (en) * 1998-07-11 2000-01-26 Motorola Ltd Cellular communication system with reduced power variation
US6694148B1 (en) 1999-07-26 2004-02-17 Telefonaktiebolaget Lm Ericsson (Publ) Transmit power control for MCPA-equipped based stations
EP1224745A1 (de) 1999-07-08 2002-07-24 Telefonaktiebolaget LM Ericsson (publ) Sendeleistungssteuerung für mcpa-ausgerüstete basisstationen
US6570929B1 (en) 1999-07-08 2003-05-27 Telefonaktiebolaget Lm Ericsson (Publ) Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters
AU7885700A (en) * 1999-09-07 2001-04-10 Ericsson Inc. Wireless communications apparatus and methods using intelligent modulation code assignment
US7061990B2 (en) 2000-07-21 2006-06-13 Pmc-Sierra Inc. Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms
CA2432803A1 (en) * 2000-09-29 2002-04-04 Varitek Industries, Inc. Telematics system
FI115935B (fi) 2003-02-25 2005-08-15 Nokia Corp Menetelmä ja laite tehovahvistimen ominaisuuksien säätämiseksi
US7330122B2 (en) 2005-08-10 2008-02-12 Remotemdx, Inc. Remote tracking and communication device
US8797210B2 (en) 2006-07-14 2014-08-05 Securealert, Inc. Remote tracking device and a system and method for two-way voice communication between the device and a monitoring center
US7737841B2 (en) 2006-07-14 2010-06-15 Remotemdx Alarm and alarm management system for remote tracking devices
US7936262B2 (en) 2006-07-14 2011-05-03 Securealert, Inc. Remote tracking system with a dedicated monitoring center
US7848446B2 (en) * 2006-09-27 2010-12-07 Telefonaktiebolaget L M Ericsson (Publ) Reduction of peak-to-average-power ratio in a telecommunications system
MX2010009680A (es) 2008-03-07 2011-02-23 Securealert Inc Un sistema y metodo para monitorear individuos utilizando una baliza y un dispositivo de seguimiento remoto inteligente.
US8514070B2 (en) 2010-04-07 2013-08-20 Securealert, Inc. Tracking device incorporating enhanced security mounting strap

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890283A (en) * 1987-11-19 1989-12-26 North American Philips Corporation High definition television augmentation channel
US5134464A (en) * 1990-11-16 1992-07-28 North American Philips Corporation Method and apparatus for the transmission and reception of a multicarrier digital television signal
US5201071A (en) * 1990-09-26 1993-04-06 Rockwell International Corporation Method and apparatus for reducing the peak envelope voltage of an RF transmitter while maintaining signal average power
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5243629A (en) * 1991-09-03 1993-09-07 At&T Bell Laboratories Multi-subcarrier modulation for hdtv transmission
IT1259012B (it) * 1992-07-27 1996-03-11 Alcatel Italia Metodo e circuiti per la riduzione della potenza di picco del segnale filtrato trasmesso in un collegamento di tipo numerico
US5838732A (en) * 1994-10-31 1998-11-17 Airnet Communications Corp. Reducing peak-to-average variance of a composite transmitted signal generated by a digital combiner via carrier phase offset

Also Published As

Publication number Publication date
WO1998038807A2 (en) 1998-09-03
JP2001513957A (ja) 2001-09-04
CN1217519C (zh) 2005-08-31
WO1998038807A3 (en) 1998-12-03
EP0963643B1 (de) 2006-09-20
JP4024311B2 (ja) 2007-12-19
US5894498A (en) 1999-04-13
CN1248371A (zh) 2000-03-22
KR100313413B1 (ko) 2001-11-07
DE69835948T2 (de) 2007-04-26
EP0963643A2 (de) 1999-12-15
CA2281542C (en) 2003-07-08
EP0963643A4 (de) 2003-02-12
KR20000075676A (ko) 2000-12-26
CA2281542A1 (en) 1998-09-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US