SG10201502894UA - Hybrid Orthogonal Frequency Division Multiple Access System And Method - Google Patents

Hybrid Orthogonal Frequency Division Multiple Access System And Method

Info

Publication number
SG10201502894UA
SG10201502894UA SG10201502894UA SG10201502894UA SG10201502894UA SG 10201502894U A SG10201502894U A SG 10201502894UA SG 10201502894U A SG10201502894U A SG 10201502894UA SG 10201502894U A SG10201502894U A SG 10201502894UA SG 10201502894U A SG10201502894U A SG 10201502894UA
Authority
SG
Singapore
Prior art keywords
multiple access
frequency division
division multiple
orthogonal frequency
access system
Prior art date
Application number
SG10201502894UA
Other languages
English (en)
Inventor
Guodong Zhang
Allan Y Tsai
Kyle Jung-Lin Pan
Original Assignee
Intel 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37215267&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG10201502894U(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Intel Corp filed Critical Intel Corp
Publication of SG10201502894UA publication Critical patent/SG10201502894UA/en

Links

Classifications

    • 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
    • H04L5/0014Three-dimensional division
    • H04L5/0016Time-frequency-code
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • 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), DMT
    • 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
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/0058Allocation criteria
    • H04L5/0073Allocation arrangements that take into account other cell interferences
    • 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
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Relay Systems (AREA)
  • Liquid Developers In Electrophotography (AREA)
SG10201502894UA 2005-04-22 2006-04-20 Hybrid Orthogonal Frequency Division Multiple Access System And Method SG10201502894UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67387205P 2005-04-22 2005-04-22
US11/406,878 US7715460B2 (en) 2005-04-22 2006-04-19 Hybrid orthogonal frequency division multiple access system and method

Publications (1)

Publication Number Publication Date
SG10201502894UA true SG10201502894UA (en) 2015-06-29

Family

ID=37215267

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201502894UA SG10201502894UA (en) 2005-04-22 2006-04-20 Hybrid Orthogonal Frequency Division Multiple Access System And Method

Country Status (16)

Country Link
US (6) US7715460B2 (fr)
EP (3) EP2530844B1 (fr)
JP (6) JP2008537451A (fr)
CN (1) CN102143118A (fr)
AU (2) AU2006240057B2 (fr)
BR (1) BRPI0612361B1 (fr)
CA (1) CA2605657C (fr)
ES (2) ES2687672T3 (fr)
GE (1) GEP20115157B (fr)
HU (1) HUE039824T2 (fr)
IL (1) IL186836A (fr)
IN (2) IN2014DN07577A (fr)
MX (1) MX2007013143A (fr)
NO (1) NO338282B1 (fr)
SG (1) SG10201502894UA (fr)
WO (1) WO2006116003A2 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7715460B2 (en) * 2005-04-22 2010-05-11 Interdigital Technology Corporation Hybrid orthogonal frequency division multiple access system and method
KR101154979B1 (ko) * 2005-07-22 2012-06-18 엘지전자 주식회사 다중 반송파 시스템의 데이터 송수신 장치 및 데이터송수신 방법
EP1958408B1 (fr) 2005-12-06 2019-11-06 Microsoft Technology Licensing, LLC Dispositif et procede de transmission de donnees au moyen d'une pluralite de porteuses
JP2009522923A (ja) * 2006-01-09 2009-06-11 エージェンシー フォー サイエンス,テクノロジー アンド リサーチ データを通信ネットワーク部と複数の通信装置との間で送信するための方法及び装置
KR100891818B1 (ko) * 2006-01-27 2009-04-07 삼성전자주식회사 이동통신 시스템에서 복합 다중 접속 장치 및 방법
US7675846B2 (en) * 2006-06-23 2010-03-09 Telefonaktiebolaget L M Ericsson (Publ) Method and system for using the synchronization channel to obtain measurements in a cellular communications system
US8457221B2 (en) * 2006-09-08 2013-06-04 Qualcomm Incorporated Signaling transmission with localized spreading for wireless communication
EP2645597B2 (fr) 2006-09-26 2024-03-06 ViaSat, Inc. Systèmes de satellites à faisceau étroit améliorés
US8107875B2 (en) 2006-09-26 2012-01-31 Viasat, Inc. Placement of gateways near service beams
US8538323B2 (en) 2006-09-26 2013-09-17 Viasat, Inc. Satellite architecture
US20090295628A1 (en) * 2006-09-26 2009-12-03 Viasat, Inc. Satellite System Optimization
CN101247171A (zh) * 2007-02-16 2008-08-20 北京三星通信技术研究有限公司 使用约定资源发送控制信道的设备和方法
KR100975722B1 (ko) * 2007-03-26 2010-08-12 삼성전자주식회사 통신 시스템에서 데이터 송수신 방법 및 시스템
US8699319B2 (en) 2007-08-13 2014-04-15 Sharp Kabushiki Kaisha Base station device, reception device, wireless communication system, and wireless communication method
EP2091174B1 (fr) * 2008-02-12 2019-04-03 Nokia Solutions and Networks Oy Procédé et dispositif de traitement de blocs de données
EP2249498A1 (fr) 2008-03-05 2010-11-10 Sharp Kabushiki Kaisha Système de communication, dispositif de communication, et procédé de communication
GB0916001D0 (en) * 2009-09-11 2009-10-28 Univ Edinburgh Inter-carrier modulation
US8798471B2 (en) * 2009-10-13 2014-08-05 Xieon Networks S.A.R.L. Method for processing data in an optical network element and optical network element
US8921239B2 (en) 2009-12-15 2014-12-30 Soitec Process for recycling a substrate
CN101977172B (zh) * 2010-10-18 2013-02-06 北京邮电大学 广播定位信号生成方法、定位方法及装置
EP2908593B1 (fr) * 2014-02-12 2018-08-01 Alcatel Lucent Procédés, appareils et programmes informatiques pour émetteur/récepteur mobile et émetteur/récepteur de station de base
US9979583B2 (en) * 2015-09-25 2018-05-22 Nxp Usa, Inc. Methods and system for generating a waveform for transmitting data to a plurality of receivers and for decoding the received waveform
US10728893B2 (en) * 2016-04-04 2020-07-28 Qualcomm Incorporated Time-division multiplexing transmission time intervals within a subframe or slot for MMW scheduling
WO2019128465A1 (fr) * 2017-12-27 2019-07-04 西安科锐盛创新科技有限公司 Dispositif et procédé d'étalement de canal de système cdma, et système de communication mobile
US11700069B2 (en) * 2020-05-13 2023-07-11 Samsung Electronics Co., Ltd. Efficient physical layer for intrabody communication networks

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04330791A (ja) 1991-01-25 1992-11-18 Hamamatsu Photonics Kk 光変調器
US6795424B1 (en) * 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
US7079584B2 (en) * 1998-08-10 2006-07-18 Kamilo Feher OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
US8050345B1 (en) * 1999-08-09 2011-11-01 Kamilo Feher QAM and GMSK systems
FR2784823B1 (fr) 1998-10-15 2002-11-29 Cit Alcatel Procede de transmission dans un systeme de radiocommunication du type a acces multiple
FR2784821B1 (fr) 1998-10-16 2000-12-15 Cit Alcatel Systeme de transmission a etalement de spectre a modulation multiporteuse filtree
US6687233B1 (en) 1998-10-16 2004-02-03 Koninklijke Philips Electronics N.V. Rate detection in direct sequence code division multiple access systems
CN1322408A (zh) 1999-06-30 2001-11-14 皇家菲利浦电子有限公司 在cdma移动无线系统的集簇信道中传输
US7016649B1 (en) * 2000-03-17 2006-03-21 Kathrein-Werke Kg Space-time and space-frequency hopping for capacity enhancement of mobile data systems
JP2002190788A (ja) * 2000-03-17 2002-07-05 Matsushita Electric Ind Co Ltd 無線通信装置および無線通信方法
US7072315B1 (en) 2000-10-10 2006-07-04 Adaptix, Inc. Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US7158474B1 (en) * 2001-02-21 2007-01-02 At&T Corp. Interference suppressing OFDM system for wireless communications
KR100375350B1 (ko) 2001-03-26 2003-03-08 삼성전자주식회사 직교 주파수 분할 다중 접속에 기반한 데이타 통신 장치및 방법
DE60123940T2 (de) * 2001-07-13 2007-05-24 Mitsubishi Electric Information Technology Centre Europe B.V. Mehrbenutzerdetektion in einem MC-CDMA Nachrichtensystem
JP4119696B2 (ja) 2001-08-10 2008-07-16 松下電器産業株式会社 送信装置、受信装置及び無線通信方法
IL160251A0 (en) 2001-08-24 2004-07-25 Interdigital Tech Corp Method for physical layer automatic repeat request for a base station
US20030039226A1 (en) 2001-08-24 2003-02-27 Kwak Joseph A. Physical layer automatic repeat request (ARQ)
JP4171261B2 (ja) * 2001-08-27 2008-10-22 松下電器産業株式会社 無線通信装置及び無線通信方法
WO2003021834A1 (fr) * 2001-08-28 2003-03-13 Ntt Docomo, Inc. Systeme de transmission amdc multiporteuse, emetteur et recepteur mis en application dans ce systeme et procede de transmission amdc sur des porteuses multiples
BR0212206A (pt) * 2001-08-30 2004-09-21 Ntt Docomo Inc Sistema e processo de radiotransmissão, e aparelho transmissor e aparelho receptor usados no sistema de radiotransmissão
US20030081538A1 (en) 2001-10-18 2003-05-01 Walton Jay R. Multiple-access hybrid OFDM-CDMA system
US6754169B2 (en) * 2001-12-13 2004-06-22 Motorola, Inc. Method and system of operation for a variable transmission mode multi-carrier communication system
DE60215608T2 (de) * 2002-01-11 2007-08-30 Mitsubishi Electric Information Technology Centre Europe B.V. Vorverzerrungsverfahren für einen Mehrträger-CDMA-Aufwärtskanal
JP2003309533A (ja) * 2002-04-17 2003-10-31 Matsushita Electric Ind Co Ltd 無線送信装置、無線受信装置及びその方法
US9628231B2 (en) * 2002-05-14 2017-04-18 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
JP3970092B2 (ja) * 2002-05-16 2007-09-05 ソフトバンクテレコム株式会社 シンボルタイミング同期装置およびシンボルタイミング同期方法
JP2004158901A (ja) * 2002-11-01 2004-06-03 Kddi Corp Ofdm及びmc−cdmaを用いる送信装置、システム及び方法
JP2004165784A (ja) * 2002-11-11 2004-06-10 Kddi Corp 時空間送信ダイバーシチ方式を適用したmc−ds/cdma方式の送信装置及び受信装置
US7180963B2 (en) 2002-11-25 2007-02-20 Ali Corporation Digital receiver capable of processing modulated signals at various data rates
JP4091412B2 (ja) * 2002-12-06 2008-05-28 三星電子株式会社 無線通信における逆拡散方法
KR100507519B1 (ko) 2002-12-13 2005-08-17 한국전자통신연구원 Ofdma 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치
US7068703B2 (en) * 2003-02-18 2006-06-27 Qualcomm, Incorporated Frequency hop sequences for multi-band communication systems
JP2004304267A (ja) 2003-03-28 2004-10-28 Matsushita Electric Ind Co Ltd Ofdm受信装置及びofdm受信方法
US7177297B2 (en) 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
US7254158B2 (en) * 2003-05-12 2007-08-07 Qualcomm Incorporated Soft handoff with interference cancellation in a wireless frequency hopping communication system
US7289425B2 (en) * 2003-06-20 2007-10-30 The Aerospace Corporation Parallel orthogonal frequency division multiplexed communication system
US6999467B2 (en) * 2003-07-28 2006-02-14 Motorola, Inc. Method and apparatus for transmission and reception within an OFDM communication system
JP4526898B2 (ja) * 2003-09-16 2010-08-18 パナソニック株式会社 中継装置、端末装置、および中継方法
US7154933B2 (en) * 2003-09-25 2006-12-26 Avneesh Agrawal Interference management for soft handoff and broadcast services in a wireless frequency hopping communication system
JP3877215B2 (ja) 2003-10-10 2007-02-07 株式会社インテリジェント・コスモス研究機構 送信装置、通信システムおよび通信方法
US7397839B2 (en) * 2004-01-27 2008-07-08 Ntt Docomo, Inc. OFDM communication system and method
JP3987858B2 (ja) 2004-01-27 2007-10-10 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、無線送信装置、無線受信装置及び無線通信方法
CN102064848B (zh) * 2004-01-29 2012-07-25 桥扬科技有限公司 用于多小区宽带无线系统中的移动站和基站的方法和装置
US8077691B2 (en) * 2004-03-05 2011-12-13 Qualcomm Incorporated Pilot transmission and channel estimation for MISO and MIMO receivers in a multi-antenna system
EP3447935B1 (fr) * 2004-04-02 2022-01-26 Apple Inc. Procédés de communication sans fil, systèmes et structures de signal
KR100933120B1 (ko) * 2004-06-16 2009-12-21 삼성전자주식회사 코드 분할 다중화-주파수도약-직교 주파수 분할 다중 접속통신 시스템에서 데이터 송수신 장치 및 방법
CN1961514A (zh) * 2004-07-06 2007-05-09 松下电器产业株式会社 多载波发送装置以及多载波发送方法
EP1655918A3 (fr) * 2004-11-03 2012-11-21 Broadcom Corporation Mode à faible débit et à longue portée pour des réseaux locals OFDM sans fil
US9520972B2 (en) * 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US7715460B2 (en) 2005-04-22 2010-05-11 Interdigital Technology Corporation Hybrid orthogonal frequency division multiple access system and method
KR100724949B1 (ko) * 2005-05-03 2007-06-04 삼성전자주식회사 주파수 분할 다중접속 기반 무선통신 시스템에서 데이터와제어 정보의 다중화 방법 및 장치
KR101154979B1 (ko) * 2005-07-22 2012-06-18 엘지전자 주식회사 다중 반송파 시스템의 데이터 송수신 장치 및 데이터송수신 방법
US7711028B2 (en) * 2005-08-02 2010-05-04 The Mitre Corporation Spectrum shaping using code-hopping CDMA
WO2007120314A2 (fr) * 2005-12-05 2007-10-25 Qualcomm Incorporated Codage hierarchique pour messages multicast
US8705496B2 (en) * 2006-01-19 2014-04-22 Samsung Electronics Co., Ltd Method and apparatus for controlling transmission and reception of dedicated pilots according to MCS level in a wireless communication system
WO2007100774A1 (fr) * 2006-02-28 2007-09-07 Atc Technologies, Llc Systèmes, procédés et émetteurs/récepteurs de communication sans fil sur des segments non contigus de spectre
RU2323535C2 (ru) 2006-03-16 2008-04-27 Самсунг Электроникс Ко., Лтд. СПОСОБ ПЕРЕДАЧИ ОБСЛУЖИВАНИЯ АБОНЕНТСКИХ СТАНЦИЙ В ГИБРИДНОЙ БЕСПРОВОДНОЙ СЕТИ ПО СТАНДАРТАМ IEEE 802.16е OFDMA, IEEE 802.11b И cdma 2000 1xEV-DO
US8085819B2 (en) * 2006-04-24 2011-12-27 Qualcomm Incorporated Superposition coding in a wireless communication system
JP2008237170A (ja) 2007-03-28 2008-10-09 Fuji Oil Co Ltd リング型層状ベーカリー製品ならびにその製造法
WO2009113951A1 (fr) * 2008-03-13 2009-09-17 Telefonaktiebolaget L M Ericsson (Publ) Procédés et agencements dans un système de télécommunication
JP5206320B2 (ja) 2008-10-30 2013-06-12 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置

Also Published As

Publication number Publication date
BRPI0612361A2 (pt) 2010-11-03
JP2015008507A (ja) 2015-01-15
US9077488B2 (en) 2015-07-07
ES2687672T3 (es) 2018-10-26
MX2007013143A (es) 2008-01-21
HUE039824T2 (hu) 2019-02-28
EP1872480B1 (fr) 2012-11-07
IN2014DN07577A (fr) 2015-07-10
US10382172B2 (en) 2019-08-13
ES2398965T3 (es) 2013-03-22
JP5855076B2 (ja) 2016-02-09
IL186836A (en) 2011-09-27
US20060256839A1 (en) 2006-11-16
AU2006240057B2 (en) 2009-09-17
EP2680449A2 (fr) 2014-01-01
US7715460B2 (en) 2010-05-11
JP2009284523A (ja) 2009-12-03
IN2014DN04803A (fr) 2015-07-10
CA2605657A1 (fr) 2006-11-02
AU2009250999B2 (en) 2013-04-04
EP2530844A1 (fr) 2012-12-05
CA2605657C (fr) 2013-07-16
JP5934306B2 (ja) 2016-06-15
US20150326357A1 (en) 2015-11-12
EP1872480A4 (fr) 2010-04-28
EP2680449A3 (fr) 2014-01-08
IL186836A0 (en) 2008-02-09
NO338282B1 (no) 2016-08-08
US20100220684A1 (en) 2010-09-02
NO20075899L (no) 2008-01-18
JP2014090455A (ja) 2014-05-15
JP2008537451A (ja) 2008-09-11
JP2015008506A (ja) 2015-01-15
US20140204899A1 (en) 2014-07-24
US8023551B2 (en) 2011-09-20
US20130100995A1 (en) 2013-04-25
JP2011103693A (ja) 2011-05-26
EP2530844B1 (fr) 2018-08-08
BRPI0612361B1 (pt) 2019-02-12
US8340153B2 (en) 2012-12-25
US8767795B2 (en) 2014-07-01
US20120008617A1 (en) 2012-01-12
GEP20115157B (en) 2011-02-10
WO2006116003A3 (fr) 2007-10-04
AU2009250999A1 (en) 2010-01-14
EP1872480A2 (fr) 2008-01-02
WO2006116003A2 (fr) 2006-11-02
CN102143118A (zh) 2011-08-03
AU2006240057A1 (en) 2006-11-02

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