AU2001288991A1 - Power amplification in multicarrier transmitters - Google Patents

Power amplification in multicarrier transmitters

Info

Publication number
AU2001288991A1
AU2001288991A1 AU2001288991A AU8899101A AU2001288991A1 AU 2001288991 A1 AU2001288991 A1 AU 2001288991A1 AU 2001288991 A AU2001288991 A AU 2001288991A AU 8899101 A AU8899101 A AU 8899101A AU 2001288991 A1 AU2001288991 A1 AU 2001288991A1
Authority
AU
Australia
Prior art keywords
power amplification
multicarrier transmitters
multicarrier
transmitters
amplification
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.)
Abandoned
Application number
AU2001288991A
Inventor
Rajiv Laroia
Junyi Li
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.)
Qualcomm Flarion Technologies Inc
Original Assignee
Flarion Technologies 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 Flarion Technologies Inc filed Critical Flarion Technologies Inc
Publication of AU2001288991A1 publication Critical patent/AU2001288991A1/en
Abandoned legal-status Critical Current

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
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L27/2637—Modulators with direct modulation of individual subcarriers
AU2001288991A 2000-09-15 2001-09-11 Power amplification in multicarrier transmitters Abandoned AU2001288991A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US23300000P 2000-09-15 2000-09-15
US60/233,000 2000-09-15
US09/689,273 2000-10-12
US09/689,273 US6985433B1 (en) 2000-09-15 2000-10-12 Methods and apparatus for determining minimum cyclicprefix durations
PCT/US2001/028313 WO2002023848A2 (en) 2000-09-15 2001-09-11 Power amplification in multicarrier transmitters

Publications (1)

Publication Number Publication Date
AU2001288991A1 true AU2001288991A1 (en) 2002-03-26

Family

ID=26926534

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001288991A Abandoned AU2001288991A1 (en) 2000-09-15 2001-09-11 Power amplification in multicarrier transmitters

Country Status (3)

Country Link
US (2) US6985433B1 (en)
AU (1) AU2001288991A1 (en)
WO (1) WO2002023848A2 (en)

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US8001272B2 (en) * 2000-10-25 2011-08-16 Syniverse Icx Corporation Obtaining a valid international destination address
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US8325590B2 (en) 2002-02-27 2012-12-04 Apple Inc. OFDM communications system
US7400573B2 (en) * 2003-04-29 2008-07-15 Intel Corporation Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems
US7809393B2 (en) * 2003-05-09 2010-10-05 Nxp B.V. Method and arrangement for setting the transmission of a mobile communication device
US7639728B2 (en) 2003-07-08 2009-12-29 Qualcomm Incorporated Methods for generating and transmitting frequency hopped signals
EP1542418A1 (en) * 2003-12-10 2005-06-15 Telefonaktiebolaget LM Ericsson (publ) Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes
US20060176966A1 (en) * 2005-02-07 2006-08-10 Stewart Kenneth A Variable cyclic prefix in mixed-mode wireless communication systems
GB2428168A (en) * 2005-07-06 2007-01-17 Motorola Inc A transmitter splits a signal into a plurality of sub-signals, each containing a plurality of sub-carriers, and amplifies each sub-signal separately.
US20070133695A1 (en) * 2005-12-09 2007-06-14 Kotzin Michael D Method and system for channel assignment of OFDM channels
US8811369B2 (en) 2006-01-11 2014-08-19 Qualcomm Incorporated Methods and apparatus for supporting multiple communications modes of operation
CN104320770B (en) 2006-01-11 2018-04-06 高通股份有限公司 Encoding beacon signals are to provide mark in peer-to-peer communications
US7941091B1 (en) * 2006-06-19 2011-05-10 Rf Magic, Inc. Signal distribution system employing a multi-stage signal combiner network
US8400998B2 (en) 2006-08-23 2013-03-19 Motorola Mobility Llc Downlink control channel signaling in wireless communication systems
US8595501B2 (en) 2008-05-09 2013-11-26 Qualcomm Incorporated Network helper for authentication between a token and verifiers
US8295373B2 (en) * 2008-09-30 2012-10-23 Intel Corporation Virtual multicarrier design for orthogonal frequency division multiple access communications
US8064555B1 (en) * 2009-01-22 2011-11-22 The United States Of America As Represented By The Secretary Of The Navy Input/output multi-level channelizer amplifier
US8509343B2 (en) * 2009-06-03 2013-08-13 Qualcomm Incorporated Methods and apparatus for amplifying and transmitting signals
CN102870475B (en) 2010-03-12 2016-12-07 日升微器件公司 The communication of power-efficient
US9602955B2 (en) 2015-05-20 2017-03-21 Empire Technology Development Llc Concurrent wireless power transfer and data communication
EP3566536A4 (en) 2017-01-05 2020-09-09 Telefonaktiebolaget LM Ericsson (publ) Narrowband physical random access channel (nprach) for extended range

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US5590403A (en) 1992-11-12 1996-12-31 Destineer Corporation Method and system for efficiently providing two way communication between a central network and mobile unit
US5949796A (en) 1996-06-19 1999-09-07 Kumar; Derek D. In-band on-channel digital broadcasting method and system
CA2183140C (en) * 1996-08-12 2001-11-20 Grant Mcgibney Ofdm timing and frequency recovery system
US5867478A (en) * 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
US6061405A (en) 1997-12-15 2000-05-09 Motorola, Inc. Time domain source matched multicarrier quadrature amplitude modulation (QAM) method and apparatus
DE19814530A1 (en) * 1998-04-01 1999-10-07 Bosch Gmbh Robert Method for the digital transmission of data in a wireless communication network and receiving device for receiving data transmitted according to the method
US6054896A (en) 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
WO2000001084A1 (en) 1998-06-29 2000-01-06 Nokia Networks Oy Power control in a multi-carrier radio transmitter
US6590906B1 (en) 1998-08-24 2003-07-08 Matsushita Electric Industrial Co., Ltd. Multi-carrier transmitter circuit and communication equipment
US6317470B1 (en) * 1998-09-15 2001-11-13 Ibiquity Digital Corporation Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates
US6535550B1 (en) * 1999-03-02 2003-03-18 Legerity, Inc. Transceiver with variable width cyclic prefix
JP2001069117A (en) * 1999-08-31 2001-03-16 Matsushita Electric Ind Co Ltd Ofdm communication equipment and propagation path estimating method
US7406261B2 (en) * 1999-11-02 2008-07-29 Lot 41 Acquisition Foundation, Llc Unified multi-carrier framework for multiple-access technologies
US6687307B1 (en) * 2000-02-24 2004-02-03 Cisco Technology, Inc Low memory and low latency cyclic prefix addition
US6362781B1 (en) * 2000-06-30 2002-03-26 Motorola, Inc. Method and device for adaptive antenna combining weights
US6970416B1 (en) * 2000-07-07 2005-11-29 Telecommunications Research Laboratories OFDM system with simple terminals
GB2426420B (en) * 2005-05-19 2008-06-11 Toshiba Res Europ Ltd Orthogonal frequency division multiplexing transmitter
GB2428168A (en) * 2005-07-06 2007-01-17 Motorola Inc A transmitter splits a signal into a plurality of sub-signals, each containing a plurality of sub-carriers, and amplifies each sub-signal separately.

Also Published As

Publication number Publication date
WO2002023848A3 (en) 2003-02-13
US20050220201A1 (en) 2005-10-06
WO2002023848A2 (en) 2002-03-21
US6985433B1 (en) 2006-01-10
US7768902B2 (en) 2010-08-03

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