WO2002049385A3 - Multi-carrier communications with adaptive cluster configuration and switching - Google Patents

Multi-carrier communications with adaptive cluster configuration and switching Download PDF

Info

Publication number
WO2002049385A3
WO2002049385A3 PCT/US2001/048701 US0148701W WO0249385A3 WO 2002049385 A3 WO2002049385 A3 WO 2002049385A3 US 0148701 W US0148701 W US 0148701W WO 0249385 A3 WO0249385 A3 WO 0249385A3
Authority
WO
WIPO (PCT)
Prior art keywords
switching
cluster configuration
carrier communications
adaptive cluster
allocating
Prior art date
Application number
PCT/US2001/048701
Other languages
French (fr)
Other versions
WO2002049385A2 (en
Inventor
Hui Liu
Kemin Li
Xiaodong Li
Wenzhong Zhang
Original Assignee
Broadstorm Telecommunications
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27113312&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2002049385(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/738,086 external-priority patent/US6947748B2/en
Application filed by Broadstorm Telecommunications filed Critical Broadstorm Telecommunications
Priority to JP2002550747A priority Critical patent/JP4213466B2/en
Priority to AU2002235217A priority patent/AU2002235217A1/en
Priority to CA2431502A priority patent/CA2431502C/en
Priority to KR1020037007963A priority patent/KR100676667B1/en
Priority to MXPA03005311A priority patent/MXPA03005311A/en
Publication of WO2002049385A2 publication Critical patent/WO2002049385A2/en
Publication of WO2002049385A3 publication Critical patent/WO2002049385A3/en

Links

Classifications

    • 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
    • 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
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/023Multiplexing of multicarrier modulation signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one diversity cluster of subcarriers to a first subscriber and allocating at least one coherence cluster to a second subscriber.
PCT/US2001/048701 2000-12-15 2001-12-13 Multi-carrier communications with adaptive cluster configuration and switching WO2002049385A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2002550747A JP4213466B2 (en) 2000-12-15 2001-12-13 Multi-carrier communication with adaptive cluster configuration and switching
AU2002235217A AU2002235217A1 (en) 2000-12-15 2001-12-13 Multi-carrier communications with adaptive cluster configuration and switching
CA2431502A CA2431502C (en) 2000-12-15 2001-12-13 Multi-carrier communications with adaptive cluster configuration and switching
KR1020037007963A KR100676667B1 (en) 2000-12-15 2001-12-13 Multi-carrier communications with adaptive cluster configuration and switching
MXPA03005311A MXPA03005311A (en) 2000-12-15 2001-12-13 Multi-carrier communications with adaptive cluster configuration and switching.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/738,086 US6947748B2 (en) 2000-12-15 2000-12-15 OFDMA with adaptive subcarrier-cluster configuration and selective loading
US09/738,086 2000-12-15
US09/837,701 2001-04-17
US09/837,701 US7146172B2 (en) 2000-12-15 2001-04-17 Multi-carrier communications with adaptive cluster configuration and switching

Publications (2)

Publication Number Publication Date
WO2002049385A2 WO2002049385A2 (en) 2002-06-20
WO2002049385A3 true WO2002049385A3 (en) 2002-11-21

Family

ID=27113312

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048701 WO2002049385A2 (en) 2000-12-15 2001-12-13 Multi-carrier communications with adaptive cluster configuration and switching

Country Status (6)

Country Link
JP (1) JP4213466B2 (en)
CN (1) CN1524367A (en)
AU (2) AU2002232589A1 (en)
CA (1) CA2431502C (en)
MX (1) MXPA03005311A (en)
WO (1) WO2002049385A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8160595B2 (en) 2007-05-01 2012-04-17 Ntt Docomo, Inc. Base station apparatus and communication control method
US9585023B2 (en) 2003-10-30 2017-02-28 Qualcomm Incorporated Layered reuse for a wireless communication system

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
AU2002232589A1 (en) 2000-12-15 2002-06-24 Broadstorm Telecommunications, Inc. Multi-carrier communications with group-based subcarrier allocation
US20040116122A1 (en) * 2002-09-20 2004-06-17 Interdigital Technology Corporation Enhancing reception using intercellular interference cancellation
KR100933155B1 (en) 2002-09-30 2009-12-21 삼성전자주식회사 Device and Method for Allocating Virtual Cells in Frequency Division Multiple Access Mobile Communication System
EP1414255A1 (en) 2002-10-24 2004-04-28 Siemens Aktiengesellschaft Method for managing radio resources
US7039001B2 (en) * 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems
US7042857B2 (en) 2002-10-29 2006-05-09 Qualcom, Incorporated Uplink pilot and signaling transmission in wireless communication systems
US20040097238A1 (en) * 2002-11-07 2004-05-20 Samsung Electronics Co., Ltd. Frequency reuse method in an orthogonal frequency division multiplex mobile communication system
IL155829A0 (en) * 2003-05-09 2003-12-23 Zion Hadad Cellular network system and method
WO2005020489A1 (en) 2003-08-20 2005-03-03 Matsushita Electric Industrial Co., Ltd. Radio communication apparatus and subcarrier assignment method
EP1526674B1 (en) * 2003-10-21 2007-08-01 Alcatel Lucent Method for subcarrier allocation and for modulation scheme selection in a wireless multicarrier transmission system
FI20031702A0 (en) * 2003-11-21 2003-11-21 Nokia Corp Allocation of multiple carriers for multiple users in a communication system
US8611283B2 (en) 2004-01-28 2013-12-17 Qualcomm Incorporated Method and apparatus of using a single channel to provide acknowledgement and assignment messages
US7864725B2 (en) 2004-01-29 2011-01-04 Neocific, Inc. Methods and apparatus for overlaying multi-carrier and direct sequence spread spectrum signals in a broadband wireless communication system
JP4039373B2 (en) 2004-02-16 2008-01-30 ソニー株式会社 Wireless transmission / reception system
US7706350B2 (en) * 2004-03-19 2010-04-27 Qualcomm Incorporated Methods and apparatus for flexible spectrum allocation in communication systems
KR101067772B1 (en) 2004-04-22 2011-09-28 엘지전자 주식회사 Method of Allocating Subcarriers for OFDM
EP1594330A1 (en) * 2004-05-04 2005-11-09 Alcatel Methods for terminal assisted coordinated radio serving and interference avoidance in OFDM mobile communication system
US7680475B2 (en) 2004-06-09 2010-03-16 Qualcomm Incorporated Dynamic ASBR scheduler
KR100965694B1 (en) 2004-06-15 2010-06-24 삼성전자주식회사 System and method for supporting soft handover in a broadband wireless access communication system
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
US8032145B2 (en) 2004-07-23 2011-10-04 Qualcomm Incorporated Restrictive reuse set management algorithm for equal grade of service on FL transmission
KR100957318B1 (en) 2004-11-24 2010-05-12 삼성전자주식회사 Method amd apparatus for transmission and allocating resource in a multi-carrier system
US7573851B2 (en) 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
US8831115B2 (en) 2004-12-22 2014-09-09 Qualcomm Incorporated MC-CDMA multiplexing in an orthogonal uplink
US7548752B2 (en) * 2004-12-22 2009-06-16 Qualcomm Incorporated Feedback to support restrictive reuse
KR100617835B1 (en) * 2005-01-05 2006-08-28 삼성전자주식회사 Apparatus and method for transmitting/receiving a channel quality information in a communication system
DE102005007326A1 (en) 2005-02-17 2006-09-07 Siemens Ag Dynamic allocation of radio resources in a multi-carrier communication system
US8135088B2 (en) 2005-03-07 2012-03-13 Q1UALCOMM Incorporated Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
WO2006134666A1 (en) 2005-06-17 2006-12-21 Fujitsu Limited Wireless access method, wireless base station device, and wireless terminal device
US8229008B2 (en) * 2005-07-26 2012-07-24 Nvidia Corporation Interference mitigation for orthogonal frequency division multiplexing communication
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
KR101119281B1 (en) 2005-08-29 2012-03-15 삼성전자주식회사 Apparatus and method of feedback channel quality information and scheduling apparatus and method using thereof in a wireless communication system
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
CN101273646A (en) * 2005-09-22 2008-09-24 夏普株式会社 Communication terminal apparatus, communication control apparatus, communication system, and communication method
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
CN1968239A (en) 2005-11-17 2007-05-23 松下电器产业株式会社 Carrier allocation method for multi-cell orthogonal frequency division multiple address system
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
US7593384B2 (en) * 2005-12-15 2009-09-22 Telefonaktiebolaget Lm Ericsson (Publ) Efficient channel quality reporting and link adaptation for multi-carrier broadband wireless communication
US20070149249A1 (en) * 2005-12-22 2007-06-28 Interdigital Technology Corporation Method and apparatus for efficient configuration of hybrid sub-carrier allocation
US8831607B2 (en) 2006-01-05 2014-09-09 Qualcomm Incorporated Reverse link other sector communication
EP2365723B1 (en) 2006-01-18 2017-09-20 Telefonaktiebolaget LM Ericsson (publ) Localized and distributed transmission
WO2007099839A1 (en) 2006-02-24 2007-09-07 Mitsubishi Electric Corporation Communication device
WO2007108077A1 (en) 2006-03-17 2007-09-27 Fujitsu Limited Base station device, mobile station device and sub-carrier allocating method
US8131306B2 (en) * 2006-03-20 2012-03-06 Intel Corporation Wireless access network and method for allocating data subcarriers within a downlink subframe based on grouping of user stations
JPWO2007138664A1 (en) * 2006-05-26 2009-10-01 三菱電機株式会社 Scheduling method and communication apparatus
EP2090011B1 (en) 2006-11-01 2018-08-01 QUALCOMM Incorporated Sub-band dependent resource management
US8462758B2 (en) * 2006-12-20 2013-06-11 Intel Corporation Channel quality information feedback techniques for a wireless system
EP2139249B1 (en) 2007-03-15 2017-09-20 Fujitsu Limited Base station and method used in mobile communication system
CN101365187B (en) 2007-08-09 2011-08-10 华为技术有限公司 Method, base station, and user terminal implementing uplink resource indication
CN102176787B (en) * 2007-08-09 2015-06-17 华为技术有限公司 Method, base station, and user terminal for realizing uplink resource indication
WO2009072184A1 (en) 2007-12-04 2009-06-11 Fujitsu Limited Scheduling metho, radio base station and radio terminal
JP4734314B2 (en) * 2007-12-10 2011-07-27 パナソニック株式会社 Wireless communication apparatus and wireless communication method
KR100943763B1 (en) 2007-12-12 2010-02-23 한국전자통신연구원 Method for estimating a channel in mobile communication network and device thereof
JP5115369B2 (en) * 2008-07-09 2013-01-09 富士通株式会社 Base station apparatus, communication system, and channel allocation method
JP4734389B2 (en) * 2008-09-11 2011-07-27 パナソニック株式会社 Wireless communication apparatus and wireless communication method
CN101742668B (en) * 2008-11-06 2012-01-25 中兴通讯股份有限公司 Resource unit mapping method
KR101574670B1 (en) 2008-12-02 2015-12-04 삼성전자주식회사 A communication method of cooperation with base stations using clustering cooperation in a wireless communication network and a system thereof
JP5388332B2 (en) 2009-01-07 2014-01-15 株式会社Nttドコモ Base station apparatus and information transmission method
EP2242318B1 (en) 2009-04-15 2015-06-03 Telefonaktiebolaget L M Ericsson (publ) OFDMA scheduling method for avoiding leakage at the mobile stations
CN102843749B (en) * 2011-06-23 2016-03-09 普天信息技术有限公司 A kind of small region search method of multiplex broadcasting communication system and device
EP2709393B1 (en) 2012-09-13 2019-05-22 Alcatel Lucent Frequency band selection in heterogeneous networks
WO2014129031A1 (en) * 2013-02-20 2014-08-28 三菱電機株式会社 Communication line quality estimation apparatus, transmitter and receiver

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
DE19800953C1 (en) * 1998-01-13 1999-07-29 Siemens Ag Resource allocation in radio interface of radio communications system

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01317035A (en) * 1988-06-17 1989-12-21 Iwatsu Electric Co Ltd Communication method for communication with mobile object
JP2636712B2 (en) 1993-12-08 1997-07-30 日本電気株式会社 Mobile communication device
JP2734952B2 (en) 1993-12-16 1998-04-02 日本電気株式会社 CDMA base station receiver
JP2658865B2 (en) 1994-02-28 1997-09-30 日本電気株式会社 Mobile satellite communication system
JPH07264110A (en) 1994-03-17 1995-10-13 N T T Idou Tsuushinmou Kk Method for estimating channel complex envelope
JP3141916B2 (en) 1994-08-08 2001-03-07 株式会社エヌ・ティ・ティ・ドコモ DPSK wave linear prediction differential detection method
JPH0865233A (en) 1994-08-25 1996-03-08 Sanyo Electric Co Ltd Portable telephone set
JP3279108B2 (en) 1994-12-28 2002-04-30 株式会社エヌ・ティ・ティ・ドコモ Fading data generator and fading data processing device using the same
JP2693922B2 (en) 1995-02-13 1997-12-24 日本電気エンジニアリング株式会社 Channel switching determination device for mobile wireless terminal
JPH08265274A (en) 1995-03-20 1996-10-11 Fujitsu Ltd Multiple propagation characteristic measuring device
JP2755210B2 (en) 1995-04-11 1998-05-20 日本電気株式会社 Automatic frequency control circuit
US5726978A (en) * 1995-06-22 1998-03-10 Telefonaktiebolaget L M Ericsson Publ. Adaptive channel allocation in a frequency division multiplexed system
JPH0951394A (en) 1995-08-08 1997-02-18 Oki Electric Ind Co Ltd Traveling object facsimile communication system and message converting device
JPH0955709A (en) 1995-08-17 1997-02-25 Fujitsu Ltd Measuring instrument for multiplex propagation characteristic
JPH0964804A (en) 1995-08-29 1997-03-07 Fujitsu Ltd Multi-propagation characteristic measurement device
JPH09167982A (en) 1995-12-14 1997-06-24 Kokusai Electric Co Ltd Low-speed frequency hopping communication system
JPH09167990A (en) 1995-12-15 1997-06-24 Oki Electric Ind Co Ltd Mobile communication system and mobile object communicating method in mobile object communication system
JP3011661B2 (en) 1996-06-28 2000-02-21 アンリツ株式会社 Radio reception sensitivity diversity measuring method and apparatus
US5991334A (en) 1996-11-12 1999-11-23 Lucent Technologies Inc. Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using postcanceling scheme
US5960353A (en) 1996-12-24 1999-09-28 Lucent Technologies, Inc. Microcell load measurement using feedback control
JP3387407B2 (en) 1997-02-06 2003-03-17 三菱マテリアル株式会社 Digital modulation / demodulation method and digital communication device
US6175550B1 (en) * 1997-04-01 2001-01-16 Lucent Technologies, Inc. Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
JP2914444B2 (en) 1997-07-22 1999-06-28 日本電気株式会社 CDMA transceiver
JP3070670B2 (en) * 1997-09-02 2000-07-31 日本電気株式会社 Pilot signal reception level averaging method
JPH11113049A (en) 1997-09-30 1999-04-23 Matsushita Electric Ind Co Ltd Radio communication system
JP2934426B1 (en) 1998-02-09 1999-08-16 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Arrival wave estimation method
EP0938208A1 (en) 1998-02-22 1999-08-25 Sony International (Europe) GmbH Multicarrier transmission, compatible with the existing GSM system
JP3371801B2 (en) * 1998-04-24 2003-01-27 三菱電機株式会社 Frequency hopping type mobile station, base station and mobile communication system
JPH11313299A (en) 1998-04-30 1999-11-09 Matsushita Electric Ind Co Ltd Video information distribution method to mobile object by digital radio communication, central station device and mobile terminal used for the same method
JP2000091973A (en) 1998-09-10 2000-03-31 Kokusai Electric Co Ltd Rake synthesis circuit
JP3045167B1 (en) 1999-02-26 2000-05-29 住友電気工業株式会社 Road-to-vehicle communication system
JP4247768B2 (en) 1999-03-29 2009-04-02 ルーセント テクノロジーズ インコーポレーテッド Information signal processing method
JP3236273B2 (en) 1999-05-17 2001-12-10 三菱電機株式会社 Multi-carrier transmission system and multi-carrier modulation method
AU2002232589A1 (en) 2000-12-15 2002-06-24 Broadstorm Telecommunications, Inc. Multi-carrier communications with group-based subcarrier allocation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
DE19800953C1 (en) * 1998-01-13 1999-07-29 Siemens Ag Resource allocation in radio interface of radio communications system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
NOGUEROLES R ET AL: "Improved performance of a random OFDMA mobile communication system", VEHICULAR TECHNOLOGY CONFERENCE, 1998. VTC 98. 48TH IEEE OTTAWA, ONT., CANADA 18-21 MAY 1998, NEW YORK, NY, USA,IEEE, US, 18 May 1998 (1998-05-18), pages 2502 - 2506, XP010288120, ISBN: 0-7803-4320-4 *
WONG C Y ET AL: "MULTIUSER OFDM WITH ADAPTIVE SUBCARRIER, BIT, AND POWER ALLOCATION", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE INC. NEW YORK, US, VOL. 17, NR. 10, PAGE(S) 1747-1758, ISSN: 0733-8716, XP000854075 *
YE LI ET AL: "Clustered OFDM with channel estimation for high rate wireless data", MOBILE MULTIMEDIA COMMUNICATIONS, 1999. (MOMUC '99). 1999 IEEE INTERNATIONAL WORKSHOP ON SAN DIEGO, CA, USA 15-17 NOV. 1999, PISCATAWAY, NJ, USA,IEEE, US, 15 November 1999 (1999-11-15), pages 43 - 50, XP010370695, ISBN: 0-7803-5904-6 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9585023B2 (en) 2003-10-30 2017-02-28 Qualcomm Incorporated Layered reuse for a wireless communication system
US8160595B2 (en) 2007-05-01 2012-04-17 Ntt Docomo, Inc. Base station apparatus and communication control method

Also Published As

Publication number Publication date
CN1524367A (en) 2004-08-25
AU2002235217A1 (en) 2002-06-24
JP2004529524A (en) 2004-09-24
AU2002232589A1 (en) 2002-06-24
CA2431502A1 (en) 2002-06-20
JP4213466B2 (en) 2009-01-21
WO2002049385A2 (en) 2002-06-20
MXPA03005311A (en) 2004-12-02
CA2431502C (en) 2012-07-17

Similar Documents

Publication Publication Date Title
WO2002049385A3 (en) Multi-carrier communications with adaptive cluster configuration and switching
WO2002049306A3 (en) Multi-carrier communications with group-based subcarrier allocation
KR101474581B1 (en) Scalable ofdm and ofdma bandwidth allocation in communication systems
RU2351087C2 (en) Method of detecting initial operation mode in wireless communication system, using orthogonal frequency-division multiple access (ofdma)
US8169994B2 (en) System and method for frequency division multiple access communications
CA2539925A1 (en) Interference management for soft handoff and broadcast services in a wireless frequency hopping communication system
CA2433909A1 (en) Apparatus and method for reducing papr in an ofdm mobile communication system
JPH10336139A (en) Multi carrier transmission method, data transmitter, mobile station device and base station device
Berardinelli et al. On the potential of zero-tail DFT-spread-OFDM in 5G networks
WO2002049305A3 (en) Ofdma with adaptive subcarrier-cluster configuration and selective loading
EP2299606A3 (en) Method and apparatus for adaptive time diversity and spatial diversity for OFDM
AU2003241190A1 (en) Apparatus and method for signal constitution for downlink of ofdma-based cellular system
Nagul A review on 5G modulation schemes and their comparisons for future wireless communications
CN101296031A (en) Transmission equipment and method for downlink reference signal of TDD system
CA2247617A1 (en) Subtractive multicarrier cdma access methods and systems
WO2002033925A3 (en) Data allocation for multicarrier transmission
TW200738019A (en) System and method for allocating sub-channels in a network
WO1998010556A3 (en) Improvements in, or relating to, multi-carrier transmission systems
SE9600537L (en) Procedure and apparatus in an OFDM system with variable duration of symbol burst
US8259560B2 (en) Communication system allocating pilot sub-carriers and related methods
CN1972266A (en) Subcarrier allocation method in multicarrier wireless communication system
EP1695502A1 (en) Method and apparatus in a cellular telecommunications system
CN100514947C (en) Channel correcting method and system
WO2004012345A3 (en) Cdma telecommunication system
KR20070058045A (en) Apparatus and method for extending cell coverage of the base station in the ofdm system

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
AK Designated states

Kind code of ref document: A3

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2431502

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: PA/a/2003/005311

Country of ref document: MX

Ref document number: 2002550747

Country of ref document: JP

Ref document number: 1020037007963

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 018206522

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 1020037007963

Country of ref document: KR

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase