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AU2001265275A1 - Adaptive modulation for a wireless transmission system - Google Patents

Adaptive modulation for a wireless transmission system

Info

Publication number
AU2001265275A1
AU2001265275A1 AU2001265275A AU6527501A AU2001265275A1 AU 2001265275 A1 AU2001265275 A1 AU 2001265275A1 AU 2001265275 A AU2001265275 A AU 2001265275A AU 6527501 A AU6527501 A AU 6527501A AU 2001265275 A1 AU2001265275 A1 AU 2001265275A1
Authority
AU
Australia
Prior art keywords
transmission system
wireless transmission
adaptive modulation
adaptive
modulation
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
AU2001265275A
Inventor
David L. Hartman Jr.
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Publication of AU2001265275A1 publication Critical patent/AU2001265275A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025Transmission of mode-switching indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
AU2001265275A 2000-10-16 2001-06-01 Adaptive modulation for a wireless transmission system Abandoned AU2001265275A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US24104600P 2000-10-16 2000-10-16
US60241046 2000-10-16
US09858926 2001-05-15
US09/858,926 US7016296B2 (en) 2000-10-16 2001-05-15 Adaptive modulation for fixed wireless link in cable transmission system
PCT/US2001/017669 WO2002033875A1 (en) 2000-10-16 2001-06-01 Adaptive modulation for a wireless transmission system

Publications (1)

Publication Number Publication Date
AU2001265275A1 true AU2001265275A1 (en) 2002-04-29

Family

ID=26933946

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001265275A Abandoned AU2001265275A1 (en) 2000-10-16 2001-06-01 Adaptive modulation for a wireless transmission system

Country Status (3)

Country Link
US (4) US7016296B2 (en)
AU (1) AU2001265275A1 (en)
WO (1) WO2002033875A1 (en)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040228297A1 (en) * 2000-11-17 2004-11-18 Ihab Elzind Smart antenna's for cellular modem networks
US7016296B2 (en) * 2000-10-16 2006-03-21 Broadcom Corporation Adaptive modulation for fixed wireless link in cable transmission system
CA2418471C (en) * 2001-06-09 2007-08-28 Samsung Electronics Co., Ltd. Method and apparatus for rearranging codeword sequence in a communication system
ES2283387T3 (en) * 2001-08-09 2007-11-01 Ascom (Schweiz) Ag ANALYSIS OF A DATA TRANSMISSION SYSTEM.
KR100925076B1 (en) * 2001-08-28 2009-11-04 소니 가부시끼 가이샤 Recording medium recording a transmitting device and a transmission control method and a receiving device and a reception control method and a program
US6986092B2 (en) * 2001-12-04 2006-01-10 Qualcomm Inc. Erasure-and-single-error correction decoder for linear block codes
US20030193889A1 (en) * 2002-04-11 2003-10-16 Intel Corporation Wireless device and method for interference and channel adaptation in an OFDM communication system
EP1525685A4 (en) * 2002-07-01 2005-08-03 Nokia Corp METHOD AND APPARATUS FOR ESTABLISHING CONSTELLATIONS FOR IMPEDED LANE INFORMATION AT A RECEIVER
US7339911B2 (en) * 2002-08-14 2008-03-04 Koninklijke Philips Electronics N.V. Selection between two different coding schemes and corresponding modulation schemes according to the allowable transmission delay of the data
US8194770B2 (en) * 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
ATE336121T1 (en) 2002-12-23 2006-09-15 Mitsubishi Electric Inf Tech CONNECTION ADJUSTMENT METHOD
US7885228B2 (en) * 2003-03-20 2011-02-08 Qualcomm Incorporated Transmission mode selection for data transmission in a multi-channel communication system
KR101023610B1 (en) * 2003-05-16 2011-03-21 파나소닉 주식회사 Transceiver and method for communication network
US7889804B2 (en) * 2003-05-30 2011-02-15 Mohammad Jaber Borran Partially coherent constellations for multiple-antenna systems
US7394865B2 (en) * 2003-06-25 2008-07-01 Nokia Corporation Signal constellations for multi-carrier systems
US8824582B2 (en) 2003-08-08 2014-09-02 Intel Corporation Base station and method for channel coding and link adaptation
US7826798B2 (en) * 2003-11-20 2010-11-02 Intel Corporation Trained data transmission for communication systems
US7321614B2 (en) * 2003-08-08 2008-01-22 Intel Corporation Apparatus and methods for communicating using symbol-modulated subcarriers
US7394858B2 (en) * 2003-08-08 2008-07-01 Intel Corporation Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
US7373112B2 (en) * 2003-08-08 2008-05-13 Intel Corporation Trained data transmission for communication systems
US7685500B2 (en) * 2003-11-25 2010-03-23 Intel Corporation Forward error correction coding in communication networks
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
US7231559B2 (en) * 2003-12-17 2007-06-12 Sony Corporation Outage predictor for communication link
US7649833B2 (en) 2003-12-29 2010-01-19 Intel Corporation Multichannel orthogonal frequency division multiplexed receivers with antenna selection and maximum-ratio combining and associated methods
US7333556B2 (en) * 2004-01-12 2008-02-19 Intel Corporation System and method for selecting data rates to provide uniform bit loading of subcarriers of a multicarrier communication channel
US7725799B2 (en) * 2005-03-31 2010-05-25 Qualcomm Incorporated Power savings in hierarchically coded modulation
EP1720273B1 (en) * 2005-05-04 2010-07-28 Nokia Siemens Networks GmbH & Co. KG Method for encoding of datablocks
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
KR101071837B1 (en) * 2005-06-24 2011-10-11 엘지전자 주식회사 Method for Broadcast/Multicast Service
US20070016262A1 (en) 2005-07-13 2007-01-18 Betastim, Ltd. Gi and pancreatic device for treating obesity and diabetes
US8218563B2 (en) * 2005-11-04 2012-07-10 Samsung Electronics Co., Ltd. Method and system for providing adaptive modulation and coding in a multi-carrier wireless network
US7613260B2 (en) 2005-11-21 2009-11-03 Provigent Ltd Modem control using cross-polarization interference estimation
US8381047B2 (en) * 2005-11-30 2013-02-19 Microsoft Corporation Predicting degradation of a communication channel below a threshold based on data transmission errors
US7924775B2 (en) * 2006-03-17 2011-04-12 Samsung Electronics Co., Ltd. Apparatus and method for selecting modulation and filter roll-off to meet power and bandwidth requirements
US7796708B2 (en) * 2006-03-29 2010-09-14 Provigent Ltd. Adaptive receiver loops with weighted decision-directed error
US7643512B2 (en) * 2006-06-29 2010-01-05 Provigent Ltd. Cascaded links with adaptive coding and modulation
US7839952B2 (en) * 2006-12-05 2010-11-23 Provigent Ltd Data rate coordination in protected variable-rate links
US7720136B2 (en) 2006-12-26 2010-05-18 Provigent Ltd Adaptive coding and modulation based on link performance prediction
WO2008112248A1 (en) * 2007-03-14 2008-09-18 Amx, Llc System, method and computer readable medium for communicating with a zigbee device from a peripheral network
US8315574B2 (en) * 2007-04-13 2012-11-20 Broadcom Corporation Management of variable-rate communication links
US7821938B2 (en) * 2007-04-20 2010-10-26 Provigent Ltd. Adaptive coding and modulation for synchronous connections
US8064390B2 (en) 2007-04-27 2011-11-22 Research In Motion Limited Uplink scheduling and resource allocation with fast indication
US20080267168A1 (en) * 2007-04-27 2008-10-30 Zhijun Cai Slow Adaptation of Modulation and Coding for Packet Transmission
US9112645B2 (en) * 2007-05-11 2015-08-18 Microsoft Technology Licensing, Llc Channel control based on error correction values
KR101116095B1 (en) 2007-06-15 2012-02-13 리서치 인 모션 리미티드 System and method for semi-persistent and dynamic scheduling and discontinuous reception control
CA2690430A1 (en) 2007-06-15 2008-12-18 Research In Motion Limited System and method for link adaptation overhead reduction
US8001445B2 (en) 2007-08-13 2011-08-16 Provigent Ltd. Protected communication link with improved protection indication
ES2784190T3 (en) 2007-08-20 2020-09-23 Blackberry Ltd System and method for DRX and NACK / ACK control
EP2413638B1 (en) 2007-09-14 2015-10-07 BlackBerry Limited System and method for discontinuous reception control start time
US9408250B2 (en) * 2007-10-08 2016-08-02 Honeywell International Inc. Wireless networks for highly dependable applications
US8040985B2 (en) 2007-10-09 2011-10-18 Provigent Ltd Decoding of forward error correction codes in the presence of phase noise
US8116404B2 (en) * 2007-10-10 2012-02-14 Intel Corporation Diversity receiver and method for controlling power thereof
AU2008310560A1 (en) * 2007-10-11 2009-04-16 Nextivity, Inc. Repeater for use in a CDMA UNII link
US8630365B2 (en) * 2008-01-29 2014-01-14 Lantiq Deutschland Gmbh Transceiver for communicating over different media types
WO2010011500A1 (en) * 2008-07-25 2010-01-28 Smith International, Inc. Pdc bit having split blades
US20100098047A1 (en) * 2008-10-21 2010-04-22 Tzero Technologies, Inc. Setting a data rate of encoded data of a transmitter
US8885547B2 (en) * 2008-12-22 2014-11-11 Intel Corporation Power-efficient media access techniques for wireless networks
JP5420275B2 (en) * 2009-03-03 2014-02-19 株式会社Nttドコモ Code multiplex transmission method, transmitter, and receiver
US8086180B2 (en) * 2009-04-21 2011-12-27 Chunghwa Telecom Co., Ltd. Method for restraining inter-cell interference in a mobile communication system
TWI430000B (en) 2010-07-02 2014-03-11 Ind Tech Res Inst Method and system for repairing flat panel display
JP2012114764A (en) * 2010-11-26 2012-06-14 Fujitsu Semiconductor Ltd Radio communication device, radio communication system, and radio communication method in radio communication device
JP5912026B2 (en) * 2011-10-20 2016-04-27 株式会社メガチップス Communication apparatus and communication system
US9338580B2 (en) * 2011-10-21 2016-05-10 Qualcomm Incorporated Method and apparatus for packet loss rate-based codec adaptation
US9374166B2 (en) * 2012-02-13 2016-06-21 Ciena Corporation High speed optical communication systems and methods with flexible bandwidth adaptation
US10257596B2 (en) 2012-02-13 2019-04-09 Ciena Corporation Systems and methods for managing excess optical capacity and margin in optical networks
US10149018B2 (en) * 2013-08-19 2018-12-04 Arris Enterprises Llc R-CCAP with AM star architecture
US9716991B2 (en) * 2013-09-09 2017-07-25 Samsung Electronics Co., Ltd. Computing system with detection mechanism and method of operation thereof
CN103888146B (en) * 2014-03-31 2017-09-22 威海格邦电子科技有限公司 A kind of method of data compression, device and communication equipment
EP3829184B1 (en) * 2015-04-09 2025-08-06 Dejero Labs Inc. Systems, devices and methods for distributing data with multi-tiered encoding
WO2017005874A1 (en) * 2015-07-09 2017-01-12 Sony Corporation Coding and modulation apparatus using non-uniform constellation
US9831947B2 (en) 2016-04-20 2017-11-28 Ciena Corporation Margin determination systems and methods in optical networks
US10587339B1 (en) 2018-11-27 2020-03-10 Ciena Corporation Systems and methods for achieving best effort home route capacity on protection paths during optical restoration
US11863220B2 (en) * 2022-02-23 2024-01-02 Comcast Cable Communications, Llc Controlling reflected signals

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891806A (en) 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
US5195107A (en) 1990-12-11 1993-03-16 At&T Bell Laboratories Technique for compensating for intersymbol interference
US5222077A (en) 1991-04-09 1993-06-22 Racal-Datacom, Inc. Radix mapping with variable number of symbols in mapping period
US5185763A (en) 1991-04-09 1993-02-09 Racal-Datacom, Inc. Data bit to constellation symbol mapper
US5119403A (en) 1991-04-09 1992-06-02 Racal Data Communications Inc. Superframes
CA2110578C (en) 1991-06-03 1999-04-27 William Timothy Webb Qam system in which the constellation is modified in accordance with channel quality
US5204874A (en) * 1991-08-28 1993-04-20 Motorola, Inc. Method and apparatus for using orthogonal coding in a communication system
EP0578313B1 (en) * 1992-07-08 1998-12-02 Laboratoires D'electronique Philips S.A.S. Concatenated coding for OFDM transmission
US5323421A (en) * 1992-09-30 1994-06-21 Motorola, Inc. Method and apparatus of estimating channel quality in a receiver
WO1994011955A1 (en) 1992-11-06 1994-05-26 Pericle Communications Company Adaptive data rate modem
US5684834A (en) 1993-06-14 1997-11-04 Paradyne Corporation Simultaneous analog and digital communication using fractional rate encoding
US5436930A (en) * 1993-06-14 1995-07-25 At&T Corp. Simultaneous analog and digital communications with a selection of different signal point constellations based on signal energy
US5351274A (en) * 1993-08-20 1994-09-27 General Electric Company Post detection selection combining diversity receivers for mobile and indoor radio channels
US5442626A (en) 1993-08-24 1995-08-15 At&T Corp. Digital communications system with symbol multiplexers
WO1995016314A2 (en) * 1993-12-03 1995-06-15 Philips Electronics N.V. A digital communication system and a receiver for use in such a system
US5598435A (en) 1993-12-23 1997-01-28 British Telecommunications Public Limited Company Digital modulation using QAM with multiple signal point constellations not equal to a power of two
US5809083A (en) * 1994-11-23 1998-09-15 At&T Wireless Services, Inc. Differentially encoded pilot word system and method for wireless transmissions of digital data
US5703902A (en) * 1995-06-16 1997-12-30 Qualcomm Incorporated Method and apparatus for determining signal strength in a variable data rate system
US5666170A (en) * 1995-07-12 1997-09-09 Thomson Consumer Electronics, Inc. Apparatus for decoding video signals encoded in different formats
US5671253A (en) * 1995-07-12 1997-09-23 Thomson Consumer Electronics, Inc. Apparatus for demodulating and decoding video signals encoded in different formats
US5796716A (en) * 1995-11-27 1998-08-18 Paradyne Corporation Method and apparatus for simultaneous voice/data transmission
JP3216985B2 (en) * 1996-03-08 2001-10-09 三菱電機株式会社 Line controller
JP4034824B2 (en) * 1996-04-26 2008-01-16 エイ・ティ・アンド・ティ・コーポレーション Method and apparatus for data transmission using multiple transmit antennas
US5790570A (en) 1996-08-30 1998-08-04 Cornell Research Foundation, Inc. Concatenated trellis coded modulation and linear block codes
GB9621328D0 (en) 1996-10-12 1996-11-27 Northern Telecom Ltd An adaptive radio communications system
US6028843A (en) * 1997-03-25 2000-02-22 International Business Machines Corporation Earliest deadline first communications cell scheduler and scheduling method for transmitting earliest deadline cells first
US5970098A (en) * 1997-05-02 1999-10-19 Globespan Technologies, Inc. Multilevel encoder
US6075814A (en) * 1997-05-09 2000-06-13 Broadcom Homenetworking, Inc. Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem
US5946356A (en) * 1997-07-16 1999-08-31 Motorola, Inc. Method and apparatus for data transmission within a broad-band communications system
US6108374A (en) * 1997-08-25 2000-08-22 Lucent Technologies, Inc. System and method for measuring channel quality information
US6215827B1 (en) 1997-08-25 2001-04-10 Lucent Technologies, Inc. System and method for measuring channel quality information in a communication system
US6167031A (en) 1997-08-29 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Method for selecting a combination of modulation and channel coding schemes in a digital communication system
US6005897A (en) 1997-12-16 1999-12-21 Mccallister; Ronald D. Data communication system and method therefor
US6141387A (en) * 1998-03-19 2000-10-31 Motorola, Inc. Digital QAM modulator using post filtering carrier recombination
US6212240B1 (en) 1998-06-24 2001-04-03 Motorola, Inc. Method and apparatus for conveying data between communication devices
US6144651A (en) * 1998-07-17 2000-11-07 Motorola, Inc. Data transmission within a wireless communication system
US6625776B1 (en) 1998-09-30 2003-09-23 Northrop Grumman Corporation Adaptive coding scheme for a processing communications satellite
EP1125398B1 (en) 1998-10-30 2008-10-22 Broadcom Corporation Cable modem system
EP1123613B1 (en) 1998-10-30 2005-06-15 Broadcom Corporation Fractional-bit transmission using multiplexed constellations
US6310909B1 (en) * 1998-12-23 2001-10-30 Broadcom Corporation DSL rate adaptation
US6553518B1 (en) * 1999-03-08 2003-04-22 International Business Machines Corporation Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations
US6614861B1 (en) * 1999-04-16 2003-09-02 Nokia Networks Oy Method and apparatus for higher dimensional modulation
US6477167B1 (en) * 1999-06-03 2002-11-05 Fujitsu Network Communications, Inc. Method and system for allocating bandwith to real-time variable bit rate (rt-VBR) traffic
US6442164B1 (en) * 1999-06-03 2002-08-27 Fujitsu Network Communications, Inc. Method and system for allocating bandwidth and buffer resources to constant bit rate (CBR) traffic
US6490270B1 (en) * 1999-07-27 2002-12-03 Lucent Technologies Inc. Modulation method for transmitter
US6636500B2 (en) * 1999-07-27 2003-10-21 Lucent Technologies Inc. Medium allocation method
US6625165B1 (en) * 1999-07-27 2003-09-23 Lucent Technologies Inc. Data link protocol for wireless systems
US6804211B1 (en) * 1999-08-03 2004-10-12 Wi-Lan Inc. Frame structure for an adaptive modulation wireless communication system
US6654431B1 (en) * 1999-09-15 2003-11-25 Telcordia Technologies, Inc. Multicarrier personal access communication system
US6707856B1 (en) * 1999-10-07 2004-03-16 Cisco Technology Transmission of system configuration information
CA2291493A1 (en) * 1999-12-03 2001-06-03 Catena Technologies Canada, Inc. Peak to average power ratio reduction in communication systems
US6298092B1 (en) * 1999-12-15 2001-10-02 Iospan Wireless, Inc. Methods of controlling communication parameters of wireless systems
US6922445B1 (en) * 1999-12-15 2005-07-26 Intel Corporation Method and system for mode adaptation in wireless communication
US6621857B1 (en) * 1999-12-31 2003-09-16 Thomson Licensing S.A. Carrier tracking loop for direct sequence spread spectrum systems
US7068628B2 (en) * 2000-05-22 2006-06-27 At&T Corp. MIMO OFDM system
US6385462B1 (en) * 2000-05-26 2002-05-07 Motorola, Inc. Method and system for criterion based adaptive power allocation in a communication system with selective determination of modulation and coding
US6980511B1 (en) * 2000-07-26 2005-12-27 Santera Systems Inc. Method of active dynamic resource assignment in a telecommunications network
US6769090B1 (en) * 2000-08-14 2004-07-27 Virata Corporation Unified technique for multi-rate trellis coding and decoding
US6934317B1 (en) * 2000-10-11 2005-08-23 Ericsson Inc. Systems and methods for communicating spread spectrum signals using variable signal constellations
US7016296B2 (en) 2000-10-16 2006-03-21 Broadcom Corporation Adaptive modulation for fixed wireless link in cable transmission system
DE10118100A1 (en) * 2001-04-11 2002-10-24 Marconi Comm Gmbh Method for data communication between central station and several subscriber stations, involves detecting capacity utilization of transmission channel prior to selecting the coding method

Also Published As

Publication number Publication date
WO2002033875A1 (en) 2002-04-25
US20110292829A1 (en) 2011-12-01
US20060050623A1 (en) 2006-03-09
US7706246B2 (en) 2010-04-27
US7016296B2 (en) 2006-03-21
US8659987B2 (en) 2014-02-25
US20100110872A1 (en) 2010-05-06
WO2002033875B1 (en) 2002-07-11
US8023396B2 (en) 2011-09-20
US20020075830A1 (en) 2002-06-20

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