DE69806670D1 - Verfahren und System zur Mehrträgerübertragung mit dynamisch skalierbaren Betriebsparametern - Google Patents

Verfahren und System zur Mehrträgerübertragung mit dynamisch skalierbaren Betriebsparametern

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Publication number
DE69806670D1
DE69806670D1 DE69806670T DE69806670T DE69806670D1 DE 69806670 D1 DE69806670 D1 DE 69806670D1 DE 69806670 T DE69806670 T DE 69806670T DE 69806670 T DE69806670 T DE 69806670T DE 69806670 D1 DE69806670 D1 DE 69806670D1
Authority
DE
Germany
Prior art keywords
operating parameters
carrier transmission
dynamically scalable
scalable operating
dynamically
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
DE69806670T
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English (en)
Other versions
DE69806670T2 (de
Inventor
Nee Richard D J Van
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.)
Mosaid Technologies Inc
Original Assignee
Lucent 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25267540&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69806670(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE69806670D1 publication Critical patent/DE69806670D1/de
Application granted granted Critical
Publication of DE69806670T2 publication Critical patent/DE69806670T2/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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
DE69806670T 1997-04-01 1998-03-24 Verfahren und System zur Mehrträgerübertragung mit dynamisch skalierbaren Betriebsparametern Expired - Lifetime DE69806670T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/834,684 US6175550B1 (en) 1997-04-01 1997-04-01 Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof

Publications (2)

Publication Number Publication Date
DE69806670D1 true DE69806670D1 (de) 2002-08-29
DE69806670T2 DE69806670T2 (de) 2003-02-27

Family

ID=25267540

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69806670T Expired - Lifetime DE69806670T2 (de) 1997-04-01 1998-03-24 Verfahren und System zur Mehrträgerübertragung mit dynamisch skalierbaren Betriebsparametern

Country Status (4)

Country Link
US (1) US6175550B1 (de)
EP (1) EP0869647B1 (de)
JP (1) JP3712522B2 (de)
DE (1) DE69806670T2 (de)

Families Citing this family (336)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3535344B2 (ja) * 1997-05-30 2004-06-07 松下電器産業株式会社 マルチキャリア伝送方法及びデータ送信装置並びに移動局装置及び基地局装置
US9118387B2 (en) * 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
DE69733313T2 (de) * 1997-11-07 2006-01-19 Sony International (Europe) Gmbh Mehrträgerübertragung, kompatibel zum existierenden GSM-System
WO1999030442A1 (fr) * 1997-12-10 1999-06-17 Mitsubishi Denki Kabushiki Kaisha Systeme de communication mobile
GB2332603B (en) * 1997-12-22 2000-07-19 Lsi Logic Corp Improvements relating to multidirectional communication systems
EP2254301B1 (de) * 1998-01-06 2013-06-19 Mosaid Technologies Incorporated System zur Mehrträgermodulation mit veränderbaren Symbolgeschwindigkeiten
US6611493B1 (en) * 1998-01-27 2003-08-26 Hitachi Denshi Kabushiki Kaisha Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation system
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US5955992A (en) * 1998-02-12 1999-09-21 Shattil; Steve J. Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
JPH11298438A (ja) * 1998-04-13 1999-10-29 Sony Corp 送信方法及び送信装置
US6993084B1 (en) * 1998-04-14 2006-01-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Coarse frequency synchronisation in multicarrier systems
ES2230865T3 (es) 1998-06-26 2005-05-01 Aware, Inc. Modem multiportadora con tasa suplementaria variable.
US6445747B1 (en) * 1998-07-14 2002-09-03 At&T Corporation Method and apparatus to reduce peak to average power ratio in multi-carrier modulation
KR100295439B1 (ko) * 1998-08-01 2001-07-12 윤종용 다중 주파수 대역폭 무선통신시스템의 송신장치
US6470055B1 (en) * 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
US6665348B1 (en) * 1998-08-10 2003-12-16 Kamilo Feher System and method for interoperable multiple-standard modulation and code selectable Feher's GMSK, enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA
US7079584B2 (en) * 1998-08-10 2006-07-18 Kamilo Feher OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
US6173006B1 (en) * 1998-09-11 2001-01-09 Lg Information & Communications, Ltd. Direct sequence CDMA device and method for using the same
JP2000092076A (ja) * 1998-09-11 2000-03-31 Sony Corp 通信制御方法及び伝送装置
US6452977B1 (en) * 1998-09-15 2002-09-17 Ibiquity Digital Corporation Method and apparatus for AM compatible digital broadcasting
FR2784822A1 (fr) * 1998-10-16 2000-04-21 Motorola Inc Systeme de telecommunications, recepteur radio associe et procede de reception
JP4272309B2 (ja) * 1998-10-29 2009-06-03 パナソニック株式会社 Ｏｆｄｍ通信装置
US7103065B1 (en) * 1998-10-30 2006-09-05 Broadcom Corporation Data packet fragmentation in a cable modem system
US7020071B2 (en) * 1998-11-25 2006-03-28 Lucent Technologies Inc. Methods and apparatus for wireless communication using orthogonal frequency division multiplexing
US6310909B1 (en) 1998-12-23 2001-10-30 Broadcom Corporation DSL rate adaptation
US20020090037A1 (en) * 1998-12-23 2002-07-11 Xiaoyun Hu System and method for variable bandwidth transmission
JP4733835B2 (ja) * 1999-02-24 2011-07-27 ザ・ボード・オブ・トラスティーズ・レランド・スタンフォード・ジュニア・ユニバーシティ マルチキャリア伝送システムにおける高速ビットスワッピング
CA2369110C (en) 1999-03-12 2010-11-23 Aware, Inc. Seamless rate adaptive multicarrier modulation system and protocols
US20060274840A1 (en) 2005-06-06 2006-12-07 Marcos Tzannes Method for seamlessly changing power modes in an ADSL system
DE69912734T2 (de) 1999-03-12 2004-05-27 Motorola, Inc., Schaumburg Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne
US6778596B1 (en) 1999-03-12 2004-08-17 Aware, Inc. Method and multi-carrier transceiver with stored application profiles for supporting multiple applications
DE60028276T2 (de) * 1999-03-26 2007-05-03 Nec Corp. Verringerung von Verzögerung in Mehrträgerempfängern
JP3246471B2 (ja) * 1999-03-31 2002-01-15 日本電気株式会社 マルチレート送信装置
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
EP1051005A3 (de) * 1999-05-07 2004-01-21 Alcatel Trennung von Ursprungs- und Spiegelspektren eines Mehrträgersignals, sowie Signalstrukur, die die Trennung erleichtert
GB9911777D0 (en) * 1999-05-20 1999-07-21 Univ Southampton Transceiver
US6538985B1 (en) * 1999-05-25 2003-03-25 3Com Corporation Channel reservation media access control protocol using orthogonal frequency division multiplexing
US6952394B1 (en) * 1999-05-25 2005-10-04 Samsung Electronics Co., Ltd. Method for transmitting and receiving orthogonal frequency division multiplexing signal and apparatus therefor
DE19925925B4 (de) * 1999-06-08 2007-02-22 Robert Bosch Gmbh Verfahren zur Übertragung von Funksignalen und Empfänger zum Empfang von Funksignalen
US6363127B1 (en) * 1999-06-23 2002-03-26 At&T Wireless Services, Inc. Automatic gain control methods and apparatus suitable for use in OFDM receivers
US6657949B1 (en) * 1999-07-06 2003-12-02 Cisco Technology, Inc. Efficient request access for OFDM systems
JP3538098B2 (ja) * 1999-07-23 2004-06-14 日本電信電話株式会社 Ｏｆｄｍ変復調回路
GB9917512D0 (en) * 1999-07-26 1999-09-29 Univ Southampton Data and/or video communications
EP1073241A3 (de) 1999-07-29 2006-05-03 Matsushita Electric Industrial Co., Ltd. Synchronisieren von Symbolen bei Mehrträgerübertragung
US6804211B1 (en) 1999-08-03 2004-10-12 Wi-Lan Inc. Frame structure for an adaptive modulation wireless communication system
US8064409B1 (en) * 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
EP1079576A3 (de) * 1999-08-25 2003-05-07 Matsushita Electric Industrial Co., Ltd. Mehrträgerempfänger mit direkter Ausblendung eines Regelsignals
US6928047B1 (en) * 1999-09-11 2005-08-09 The University Of Delaware Precoded OFDM systems robust to spectral null channels and vector OFDM systems with reduced cyclic prefix length
DE60040919D1 (de) * 1999-09-15 2009-01-08 Aware Inc Mehrträgersystem mit dynamischer umschaltung zwischen aktiven anwendungssätzen
US6449246B1 (en) * 1999-09-15 2002-09-10 Telcordia Technologies, Inc. Multicarrier personal access communication system
EP1087585B1 (de) * 1999-09-17 2013-08-21 Alcatel-Lucent Identifizierung einer terrestrischen Zwischenstation durch Verwendung von inaktiven Unterträger eines Mehrträgersignals
JP3285850B2 (ja) * 1999-09-17 2002-05-27 三菱電機株式会社 通信方法および通信装置
JP3540686B2 (ja) * 1999-09-30 2004-07-07 株式会社東芝 Ｏｆｄｍ用周波数特性補償器
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
AU1222701A (en) * 1999-10-20 2001-04-30 Broadcom Corporation Method, apparatus and system for high-speed transmission on fiber optic channel
US6879640B1 (en) 1999-10-20 2005-04-12 Broadcom Corporation Method, apparatus and system for high-speed transmission on fiber optic channel
CN1244995C (zh) * 1999-10-22 2006-03-08 耐克斯特奈特无线公司 利用具有内部天线的cpe的固定ofdm无线大城市区通信网
US6631124B1 (en) * 1999-11-03 2003-10-07 Ericsson Inc. Methods and apparatus for allocating resources in hybrid TDMA communication systems
JP2003514430A (ja) * 1999-11-10 2003-04-15 アウェア， インコーポレイテッド 時間ダイバーシテイー方法およびマルチキャリアシステムにおいて通信ビットレートを向上させる装置
KR100325690B1 (ko) * 1999-12-03 2002-02-27 오길록 엘엠에스 기법을 이용한 결정-지향 반송파 복원장치 및 방법
US6397368B1 (en) * 1999-12-06 2002-05-28 Intellon Corporation Forward error correction with channel adaptation
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
US6351499B1 (en) 1999-12-15 2002-02-26 Iospan Wireless, Inc. Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter
EP1238504A1 (de) * 1999-12-16 2002-09-11 Aware, Inc. Bitzuordnungsverfahren in einem mehrträgersystem
WO2001047165A2 (de) * 1999-12-22 2001-06-28 Deutsche Telekom Ag Verfahren und schaltungsanordnung zur sicheren digitalübertragung
US6654384B1 (en) 1999-12-30 2003-11-25 Aperto Networks, Inc. Integrated self-optimizing multi-parameter and multi-variable point to multipoint communication system
JP4409743B2 (ja) * 2000-02-25 2010-02-03 パナソニック株式会社 無線通信装置及び無線通信方式
US7827581B1 (en) * 2000-02-29 2010-11-02 BE Labs, Inc. Wireless multimedia system
US6952454B1 (en) 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
CA2344014A1 (en) 2000-04-12 2001-10-12 Yiyan Wu Method and system for broadcasting a digital data signal within an analog tv signal using orthogonal frequency division multiplexing
KR20010096845A (ko) 2000-04-15 2001-11-08 조정남 다중 채널 동시 검색 기능을 갖는 무선 호출기와 그데이터 송수신 방법
WO2001082543A2 (en) * 2000-04-22 2001-11-01 Atheros Communications, Inc. Multi-carrier communication systems employing variable ofdm-symbol rates and number of carriers
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
SE519303C2 (sv) * 2000-06-20 2003-02-11 Ericsson Telefon Ab L M Anordning för smalbandig kommunikation i ett multicarrier- system
KR20020005346A (ko) * 2000-07-10 2002-01-17 이종길 수신 전력지연 모델을 이용한 무선 ｏｆｄｍ 시스템의성능분석 장치
JP2002026870A (ja) * 2000-07-13 2002-01-25 Matsushita Electric Ind Co Ltd 高速マルチキャリアスペクトラム拡散通信システムおよび高速マルチキャリアスペクトラム拡散通信装置
US7194006B2 (en) * 2000-07-18 2007-03-20 Kathrein-Werke Kg Directed maximum ratio combining methods and systems for high data rate traffic
DE10035041B4 (de) * 2000-07-19 2006-07-13 Robert Bosch Gmbh Verfahren zur Einstellung von Sendeparametern von einem Sender für digitale Rundfunksignale
KR100576665B1 (ko) * 2000-07-26 2006-05-10 미쓰비시덴키 가부시키가이샤 멀티 캐리어 ｃｄｍａ 통신 장치, 멀티 캐리어 ｃｄｍａ송신 장치 및 멀티 캐리어 ｃｄｍａ 수신 장치
WO2002011385A1 (de) * 2000-08-01 2002-02-07 Siemens Aktiengesellschaft Modulationsverfahren für ein multiträgersystem
US6937592B1 (en) 2000-09-01 2005-08-30 Intel Corporation Wireless communications system that supports multiple modes of operation
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US9130810B2 (en) * 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US6802035B2 (en) * 2000-09-19 2004-10-05 Intel Corporation System and method of dynamically optimizing a transmission mode of wirelessly transmitted information
US6760882B1 (en) 2000-09-19 2004-07-06 Intel Corporation Mode selection for data transmission in wireless communication channels based on statistical parameters
US6643322B1 (en) 2000-09-20 2003-11-04 Aperto Networks, Inc. Dynamic wireless link adaptation
US7072315B1 (en) 2000-10-10 2006-07-04 Adaptix, Inc. Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks
US6636488B1 (en) 2000-10-11 2003-10-21 Aperto Networks, Inc. Automatic retransmission and error recovery for packet oriented point-to-multipoint communication
AU2001295922A1 (en) * 2000-10-13 2002-04-22 Sony Corporation Data communication speed control system, transmitter apparatus and receiver apparatus
US6870808B1 (en) 2000-10-18 2005-03-22 Adaptix, Inc. Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US6973098B1 (en) 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
JP2002141888A (ja) * 2000-11-02 2002-05-17 Matsushita Electric Ind Co Ltd 非対称無線通信方法
US6567387B1 (en) * 2000-11-07 2003-05-20 Intel Corporation System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit
FR2816777B1 (fr) 2000-11-13 2003-01-10 Canon Kk Procede et dispositif pour la transmission de donnees hierarchisees
AU2002226927A1 (en) * 2000-11-15 2002-05-27 Ensemble Communications, Inc. Improved frame structure for a communication system using adaptive modulation
US8634481B1 (en) * 2000-11-16 2014-01-21 Alcatel Lucent Feedback technique for wireless systems with multiple transmit and receive antennas
US6980601B2 (en) * 2000-11-17 2005-12-27 Broadcom Corporation Rate adaptation and parameter optimization for multi-band single carrier transmission
ES2201990T3 (es) * 2000-11-20 2004-04-01 Sony International (Europe) Gmbh Sistema de modf con diversidad de antenas en el transmisor y ecualizacion previa.
US8670390B2 (en) 2000-11-22 2014-03-11 Genghiscomm Holdings, LLC Cooperative beam-forming in wireless networks
US7035354B2 (en) * 2000-12-08 2006-04-25 International Business Machine Corporation CDMA multi-user detection with a real symbol constellation
JP4031707B2 (ja) 2000-12-15 2008-01-09 アダプティックス インコーポレイテッド グループベースのサブキャリア割当による多重キャリア通信
JP4213466B2 (ja) * 2000-12-15 2009-01-21 アダプティックス インコーポレイテッド 適応クラスタ構成及び切替による多重キャリア通信
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US6850498B2 (en) * 2000-12-22 2005-02-01 Intel Corporation Method and system for evaluating a wireless link
US6885630B2 (en) * 2001-01-03 2005-04-26 At&T Corp. Combined simulcasting and dedicated services in a wireless communication system
US7164669B2 (en) 2001-01-19 2007-01-16 Adaptix, Inc. Multi-carrier communication with time division multiplexing and carrier-selective loading
US7333422B2 (en) 2003-09-12 2008-02-19 Zarbana Digital Fund Llc Optimized FFT/IFFT module
CA2337737A1 (en) * 2001-02-05 2002-08-05 Catena Networks Canada Inc. Improved method for adapting the receiver demodulation structure according to the transmitter ifft size, in dmt-based adsl modems
US20020176519A1 (en) * 2001-03-08 2002-11-28 Alain Chiodini Coarse frequency offset estimation
US6940827B2 (en) 2001-03-09 2005-09-06 Adaptix, Inc. Communication system using OFDM for one direction and DSSS for another direction
US20020136287A1 (en) * 2001-03-20 2002-09-26 Heath Robert W. Method, system and apparatus for displaying the quality of data transmissions in a wireless communication system
US7127005B2 (en) * 2001-03-23 2006-10-24 James Stuart Wight Computational circuits and methods for processing modulated signals having non-constant envelopes
US20020138807A1 (en) * 2001-03-26 2002-09-26 Quang Nguyen Optimum UMTS modem
DE10119449A1 (de) * 2001-04-20 2002-10-24 Siemens Ag Verfahren und Vorrichtung zum Übertragen der Daten eines teilnehmerspezifischen Steuerkanals in einem Funksystem
US10425135B2 (en) 2001-04-26 2019-09-24 Genghiscomm Holdings, LLC Coordinated multipoint systems
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
US10355720B2 (en) 2001-04-26 2019-07-16 Genghiscomm Holdings, LLC Distributed software-defined radio
US9819449B2 (en) 2002-05-14 2017-11-14 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in content delivery networks
US9893774B2 (en) 2001-04-26 2018-02-13 Genghiscomm Holdings, LLC Cloud radio access network
US6975583B2 (en) * 2001-05-14 2005-12-13 Intel Corporation Technique for continuous OFDM modulation
US6751444B1 (en) 2001-07-02 2004-06-15 Broadstorm Telecommunications, Inc. Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems
US7190748B2 (en) * 2001-08-17 2007-03-13 Dsp Group Inc. Digital front-end for wireless communication system
US20030039317A1 (en) * 2001-08-21 2003-02-27 Taylor Douglas Hamilton Method and apparatus for constructing a sub-carrier map
US7149254B2 (en) * 2001-09-06 2006-12-12 Intel Corporation Transmit signal preprocessing based on transmit antennae correlations for multiple antennae systems
US8494063B1 (en) 2001-09-25 2013-07-23 Netgear, Inc. System and method for stacking receiver channels for increased system through-put in an RF data transmission system
US7280504B2 (en) * 2001-09-28 2007-10-09 Kabushiki Kaisha Toshiba OFDM transmitting and receiving apparatus
US20030063694A1 (en) * 2001-09-28 2003-04-03 Goldberg Mark A. Automatic frequency control of GMSK time-dispersive channels
FR2830711B1 (fr) * 2001-10-09 2005-09-23 Thales Sa Procede et dispositif de selection automatique du debit dans des transmissions haute frequence
US20030067890A1 (en) * 2001-10-10 2003-04-10 Sandesh Goel System and method for providing automatic re-transmission of wirelessly transmitted information
US7548506B2 (en) 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
US20030081538A1 (en) * 2001-10-18 2003-05-01 Walton Jay R. Multiple-access hybrid OFDM-CDMA system
US7164649B2 (en) * 2001-11-02 2007-01-16 Qualcomm, Incorporated Adaptive rate control for OFDM communication system
US7356098B2 (en) 2001-11-14 2008-04-08 Ipwireless, Inc. Method, communication system and communication unit for synchronisation for multi-rate communication
EP1454466B1 (de) * 2001-11-21 2018-02-28 Qualcomm Incorporated Ratenauswahl für ein ofdm-system
US7012883B2 (en) 2001-11-21 2006-03-14 Qualcomm Incorporated Rate selection for an OFDM system
JP3727283B2 (ja) 2001-11-26 2005-12-14 松下電器産業株式会社 無線送信装置、無線受信装置及び無線送信方法
DE60236198D1 (de) * 2001-11-26 2010-06-10 Spyder Navigations Llc Mac-schicht-multiplexumkehr in einem ran der dritten generation
US7336719B2 (en) * 2001-11-28 2008-02-26 Intel Corporation System and method for transmit diversity base upon transmission channel delay spread
US8233501B2 (en) 2002-02-13 2012-07-31 Interdigital Technology Corporation Transport block set segmentation
US6975650B2 (en) * 2002-02-13 2005-12-13 Interdigital Technology Corporation Transport block set segmentation
US7287206B2 (en) 2002-02-13 2007-10-23 Interdigital Technology Corporation Transport block set transmission using hybrid automatic repeat request
US8325590B2 (en) * 2002-02-27 2012-12-04 Apple Inc. OFDM communications system
US6636568B2 (en) * 2002-03-01 2003-10-21 Qualcomm Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system
EP2385666B1 (de) 2002-03-08 2022-04-13 Intel Corporation Paketkopfkonfiguration für Signalisierung von Kommunikationsparametern in einem OFDM System
US7012978B2 (en) * 2002-03-26 2006-03-14 Intel Corporation Robust multiple chain receiver
JP4078105B2 (ja) * 2002-04-08 2008-04-23 シャープ株式会社 無線通信システム
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US9628231B2 (en) 2002-05-14 2017-04-18 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US10142082B1 (en) 2002-05-14 2018-11-27 Genghiscomm Holdings, LLC Pre-coding in OFDM
US10200227B2 (en) 2002-05-14 2019-02-05 Genghiscomm Holdings, LLC Pre-coding in multi-user MIMO
US7327800B2 (en) * 2002-05-24 2008-02-05 Vecima Networks Inc. System and method for data detection in wireless communication systems
US7111226B1 (en) * 2002-05-31 2006-09-19 Broadcom Corporation Communication decoder employing single trellis to support multiple code rates and/or multiple modulations
US7116731B2 (en) * 2002-06-03 2006-10-03 Vixs, Inc. Method and apparatus for adjusting symbol timing and/or symbol positioning of a receive burst of data within a radio receiver
KR20040011653A (ko) * 2002-07-29 2004-02-11 삼성전자주식회사 채널 특성에 적응적인 직교 주파수 분할 다중 통신 방법및 장치
US20040022267A1 (en) * 2002-07-31 2004-02-05 Koninklijke Philips Electronics N.V. Adaptive bandwidth efficient intelligent multimedia networks toward future generation wireless gigabit LANS
FR2843503B1 (fr) * 2002-08-08 2004-10-15 Thomson Licensing Sa Procede de reglage pour recepteur de signaux transmis par salves et recepteurs correspondants
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7236701B2 (en) * 2002-08-28 2007-06-26 Matsushita Electric Industrial Co., Ltd. Optical transmission system for performing communication using a plurality of communication lines
DE10239810A1 (de) * 2002-08-29 2004-03-11 Siemens Ag Verfahren und Sendeeinrichtung zum Übertragen von Daten in einem Mehrträgersystem
FR2844408B1 (fr) * 2002-09-09 2004-11-26 Canon Kk Procedes et dispositifs d'emission et de reception avec ajustement dynamique de la bande passante du canal radio
WO2004025870A1 (en) * 2002-09-10 2004-03-25 Koninklijke Philips Electronics N.V. Transmission power optimization in ofdm wireless communication system
US6940828B2 (en) * 2002-09-30 2005-09-06 Nokia Corporation Apparatus, and associated method, for transforming data in an OFDM communication system
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
EP2026472A1 (de) 2002-11-07 2009-02-18 Adaptix, Inc. Verfahren und Vorrichtung zur Anpassungsträgerzuteilung und Leistungssteuerung in Mehrträgerkommunikationssystemen
JP4009641B2 (ja) * 2002-11-20 2007-11-21 株式会社エヌ・ティ・ティ・ドコモ 通信システム、通信方法、送信装置、受信装置及び制御プログラム
US7161975B2 (en) * 2002-11-27 2007-01-09 International Business Machines Corporation Enhancing CDMA multiuser detection by constraining soft decisions
US7499486B2 (en) * 2002-11-27 2009-03-03 Agere Systems Inc. Data transmission rate adaptation in a wireless communication system
JP4163941B2 (ja) * 2002-12-24 2008-10-08 松下電器産業株式会社 無線送信装置及び無線送信方法
CN1290280C (zh) * 2002-12-31 2006-12-13 上海贝尔阿尔卡特股份有限公司 自适应载波间干扰自消除的方法与收发信机
KR100552680B1 (ko) * 2003-02-17 2006-02-20 삼성전자주식회사 다중 안테나 ｏｆｄｍ 통신 시스템에서의 ｐａｐｒ 저감방법 및 이를 사용하는 다중 안테나 ｏｆｄｍ 통신 시스템
US8422434B2 (en) * 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
JP4191731B2 (ja) 2003-02-28 2008-12-03 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム及び無線通信方法
US20040192218A1 (en) * 2003-03-31 2004-09-30 Oprea Alexandru M. System and method for channel data transmission in wireless communication systems
US7327795B2 (en) * 2003-03-31 2008-02-05 Vecima Networks Inc. System and method for wireless communication systems
ES2220208A1 (es) 2003-05-06 2004-12-01 Diseño De Sistemas En Silicio, S.A. Procedimiento de configurabilidad espectral de señales moduladas por multiplexacion ortogonal por division en frecuencia (ofdm) para red electrica.
US7433382B1 (en) * 2003-07-07 2008-10-07 Miao George J Spread spectrum based multichannel modulation for ultra wideband communications
US7305057B1 (en) * 2003-07-07 2007-12-04 Miao George J Multichannel filter-based handheld ultra wideband communications
KR100498953B1 (ko) * 2003-07-08 2005-07-04 삼성전자주식회사 불충분한 주기적 프리픽스를 사용하는 직교 주파수 분할다중화 시스템을 위한 송수신 장치 및 방법
DE10349191A1 (de) * 2003-10-15 2005-05-25 Nanotron Technologies Gmbh Informationsübertragung mit Energie-Budget-Management
US20050041619A1 (en) * 2003-08-22 2005-02-24 Karabinis Peter D. Wireless systems, methods and devices employing forward- and/or return-link carriers having different numbers of sub-band carriers
KR100996080B1 (ko) * 2003-11-19 2010-11-22 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서적응적 변조 및 코딩 제어 장치 및 방법
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
KR20050053907A (ko) * 2003-12-03 2005-06-10 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 서브 캐리어 할당 방법
US7593347B2 (en) * 2003-12-29 2009-09-22 Intel Corporation Method and apparatus to exchange channel information
WO2005074305A1 (en) 2004-01-29 2005-08-11 Neocific, Inc. Methods and apparatus for multi-carrier, multi-cell wireless communication networks
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
WO2005081437A1 (en) 2004-02-17 2005-09-01 Huawei Technologies Co., Ltd. Multiplexing scheme in a communication system
JP4367659B2 (ja) * 2004-03-26 2009-11-18 日本電気株式会社 無線通信機
US7835454B2 (en) 2004-04-30 2010-11-16 Analog Devices, B.V. Multicarrier modulation systems
EP3734867B1 (de) * 2004-05-01 2023-12-13 Callahan Cellular LLC Verfahren und vorrichtung für multi-carrier-kommunikationen mit variabler kanalbandbreite
US7424040B2 (en) * 2004-05-07 2008-09-09 Ltas Holdings, Llc Communication systems and methods for transmitting data in parallel over multiple channels
US8233555B2 (en) * 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
US8582596B2 (en) 2004-06-04 2013-11-12 Qualcomm Incorporated Coding and modulation for broadcast and multicast services in a wireless communication system
US7296045B2 (en) * 2004-06-10 2007-11-13 Hasan Sehitoglu Matrix-valued methods and apparatus for signal processing
US7567621B2 (en) * 2004-07-21 2009-07-28 Qualcomm Incorporated Capacity based rank prediction for MIMO design
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
US11431386B1 (en) 2004-08-02 2022-08-30 Genghiscomm Holdings, LLC Transmit pre-coding
US11552737B1 (en) 2004-08-02 2023-01-10 Genghiscomm Holdings, LLC Cooperative MIMO
US11184037B1 (en) 2004-08-02 2021-11-23 Genghiscomm Holdings, LLC Demodulating and decoding carrier interferometry signals
AU2005285593B2 (en) * 2004-09-18 2009-02-05 Samsung Electronics Co., Ltd. Apparatus and method for frequency synchronization in OFDM system
US7233800B2 (en) * 2004-10-14 2007-06-19 Qualcomm, Incorporated Wireless terminal location using apparatus and methods employing carrier diversity
US7573851B2 (en) * 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
US7697409B2 (en) * 2004-12-21 2010-04-13 Telefonaktiebolaget Lm Ericsson (Publ) Transmitter apparatus and method for transmitting packet data units in a communication system
US8666387B2 (en) * 2004-12-30 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for determining transmit signal parameters using real-time channel measurements
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
US20060203794A1 (en) * 2005-03-10 2006-09-14 Qualcomm Incorporated Systems and methods for beamforming in 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
US7742444B2 (en) * 2005-03-15 2010-06-22 Qualcomm Incorporated Multiple other sector information combining for power control in a wireless communication system
US8446892B2 (en) * 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US20090213950A1 (en) * 2005-03-17 2009-08-27 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
US9143305B2 (en) 2005-03-17 2015-09-22 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
KR100830163B1 (ko) * 2005-04-20 2008-05-20 삼성전자주식회사 주파수 오버레이 통신 시스템에서 신호 송수신 장치 및 방법
KR20060112736A (ko) * 2005-04-27 2006-11-02 삼성전자주식회사 직교주파수분할다중시스템을 위한 동기화 장치 및 방법
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8879511B2 (en) * 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
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
US8462859B2 (en) * 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US8213484B2 (en) 2005-06-16 2012-07-03 Qualcomm Incorporated Wireless communication network with extended coverage range
US8750908B2 (en) 2005-06-16 2014-06-10 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US9055552B2 (en) * 2005-06-16 2015-06-09 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US8599945B2 (en) * 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US9179319B2 (en) * 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
USRE47633E1 (en) 2005-06-22 2019-10-01 Odyssey Wireless Inc. Systems/methods of conducting a financial transaction using a smartphone
US8670493B2 (en) 2005-06-22 2014-03-11 Eices Research, Inc. Systems and/or methods of increased privacy wireless communications
US8233554B2 (en) 2010-03-29 2012-07-31 Eices Research, Inc. Increased capacity communications for OFDM-based wireless communications systems/methods/devices
US7876845B2 (en) 2005-06-22 2011-01-25 Eices Research, Inc. Wireless communications systems and/or methods providing low interference, high privacy and/or cognitive flexibility
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
WO2007023809A1 (ja) * 2005-08-26 2007-03-01 Matsushita Electric Industrial Co., Ltd. スケーラブル帯域幅システム、無線基地局装置及び無線端末装置
US20070047495A1 (en) * 2005-08-29 2007-03-01 Qualcomm Incorporated Reverse link soft handoff in a wireless multiple-access communication system
US8213978B1 (en) * 2005-08-29 2012-07-03 At&T Mobility Ii Llc Estimating mobile local propagation environment characteristics for wireless communications
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
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
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US9172453B2 (en) * 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US20070147226A1 (en) * 2005-10-27 2007-06-28 Aamod Khandekar Method and apparatus for achieving flexible bandwidth using variable guard bands
US9225416B2 (en) * 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
CN101352073A (zh) * 2005-10-27 2009-01-21 高通股份有限公司 在无线通信系统中发送接入探测的方法和设备
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
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US20070097935A1 (en) * 2005-10-27 2007-05-03 Alexei Gorokhov In-band rate control for an orthogonal frequency division multiple access communication system
US8582509B2 (en) * 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US20090207790A1 (en) * 2005-10-27 2009-08-20 Qualcomm Incorporated Method and apparatus for settingtuneawaystatus in an open state in wireless communication system
US8693405B2 (en) * 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
JP2009514317A (ja) * 2005-10-28 2009-04-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 符号化直交周波数分割マルチプレキシング方法及び装置
US8582548B2 (en) * 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
US20070155387A1 (en) * 2005-12-30 2007-07-05 Qinghua Li Techniques for scheduling and adaptation to combat fast fading
US8831607B2 (en) * 2006-01-05 2014-09-09 Qualcomm Incorporated Reverse link other sector communication
US8145251B2 (en) 2006-01-23 2012-03-27 Motorola Mobility, Inc. Power control in schedulable wireless communication terminal
US20070173260A1 (en) * 2006-01-23 2007-07-26 Love Robert T Wireless communication network scheduling
KR100957410B1 (ko) 2006-02-15 2010-05-11 삼성전자주식회사 이동 통신 시스템에서 채널 상태 보고 방법
JP5065609B2 (ja) * 2006-03-20 2012-11-07 株式会社エヌ・ティ・ティ・ドコモ 基地局、移動局および伝搬路測定用信号の送信制御方法
US7634016B2 (en) * 2006-04-25 2009-12-15 Microsoft Corporation Variable OFDM subchannel coding and modulation
US7933344B2 (en) * 2006-04-25 2011-04-26 Mircosoft Corporation OFDMA based on cognitive radio
US8023574B2 (en) * 2006-05-05 2011-09-20 Intel Corporation Method and apparatus to support scalability in a multicarrier network
US8189621B2 (en) 2006-05-12 2012-05-29 Microsoft Corporation Stack signaling to application with lack of requested bandwidth
US20070268812A1 (en) * 2006-05-19 2007-11-22 Lg Electronics Inc. Method of configuring wireless resource for effective and efficient transmission in a wireless communication system
KR100785852B1 (ko) * 2006-06-26 2007-12-14 한국전자통신연구원 직교 주파수 분할 다중 접속 기반 무선 통신 시스템에서의전송효율 최대화를 위한 서브채널 할당 및 고정빔 형성전송 방법 및 장치
EP1876729A1 (de) * 2006-07-05 2008-01-09 Koninklijke Philips Electronics N.V. Kommunikationssystem mit asymetrische Bandbreite
EP1876730A1 (de) * 2006-07-05 2008-01-09 Koninklijke Philips Electronics N.V. Kommunikationssystem mit asymetrischer Bandbreite.
US8693525B2 (en) 2006-07-14 2014-04-08 Qualcomm Incorporated Multi-carrier transmitter for wireless communication
US20080025254A1 (en) * 2006-07-25 2008-01-31 Motorola Inc Spectrum emission level variation in schedulable wireless communication terminal
US9622190B2 (en) 2006-07-25 2017-04-11 Google Technology Holdings LLC Spectrum emission level variation in schedulable wireless communication terminal
CN101617555B (zh) 2006-10-25 2012-06-27 Lg电子株式会社 利用交织和/或交织偏移切换的有效资源利用
US8144793B2 (en) * 2006-12-12 2012-03-27 Microsoft Corporation Cognitive multi-user OFDMA
ATE527770T1 (de) * 2006-12-27 2011-10-15 Abb Technology Ag Initialisierung eines modems und modem zur übertragung von ofdm-daten
US8305872B2 (en) * 2007-01-09 2012-11-06 Telefonaktiebolaget L M Ericsson (Publ) Synchronization in OFDM using polynomial cancellation coding
CN101136894B (zh) * 2007-03-23 2012-11-28 中兴通讯股份有限公司 可扩展的ofdm及ofdma带宽分配的方法和系统
US7929623B2 (en) * 2007-03-30 2011-04-19 Microsoft Corporation FEC in cognitive multi-user OFDMA
ATE528942T1 (de) * 2007-05-02 2011-10-15 Alcatel Lucent Verfahren zur etablierung eines parametrisierten kanals zur drahtlosen kommunikation
US7970085B2 (en) * 2007-05-08 2011-06-28 Microsoft Corporation OFDM transmission and reception for non-OFDMA signals
ATE477630T1 (de) * 2007-05-18 2010-08-15 Nokia Siemens Networks Oy Verfahren zur kapazitätsbeurteilung in ofdm- netzwerken
KR101439384B1 (ko) * 2007-06-01 2014-09-17 삼성전자주식회사 Ｏｆｄｍ 신호 송신 장치 및 방법
GB0715462D0 (en) * 2007-08-08 2007-09-19 Cambridge Silicon Radio Ltd FFT clock adjustment
US8681711B2 (en) * 2007-10-05 2014-03-25 Qualcomm Incorporated Inactivity-based multi-carrier allocation in wireless networks
US8369301B2 (en) 2007-10-17 2013-02-05 Zte (Usa) Inc. OFDM/OFDMA frame structure for communication systems
EP2210383A4 (de) * 2007-10-17 2012-09-12 Zte Usa Inc Ofdm/ofdma-rahmenstruktur für kommunikationssysteme
US20090135922A1 (en) * 2007-11-28 2009-05-28 Chang Yong Kang Power savings in ofdm-based wireless communication
US8374130B2 (en) 2008-01-25 2013-02-12 Microsoft Corporation Orthogonal frequency division multiple access with carrier sense
JP4902592B2 (ja) * 2008-05-09 2012-03-21 三菱電機株式会社 無線通信システム
US9374746B1 (en) 2008-07-07 2016-06-21 Odyssey Wireless, Inc. Systems/methods of spatial multiplexing
CN101345552B (zh) * 2008-08-18 2013-06-05 华为技术有限公司 基于数字用户线的功率优化方法、系统及设备
JP5213586B2 (ja) * 2008-08-25 2013-06-19 株式会社エヌ・ティ・ティ・ドコモ ユーザ装置及び基地局装置並びに通信制御方法
US8155594B2 (en) 2008-09-09 2012-04-10 At&T Mobility Ii Llc Asymmetrical multicarrier interference avoidance
US8150467B2 (en) 2008-12-12 2012-04-03 At&T Mobility Ii, Llc Devices and methods for asymmetrical multicarrier transmission and reception
US8855087B2 (en) * 2008-12-18 2014-10-07 Microsoft Corporation Wireless access point supporting control by multiple applications
US20100226448A1 (en) * 2009-03-05 2010-09-09 Paul Wilkinson Dent Channel extrapolation from one frequency and time to another
US20100232384A1 (en) * 2009-03-13 2010-09-16 Qualcomm Incorporated Channel estimation based upon user specific and common reference signals
US8879602B2 (en) 2009-07-24 2014-11-04 At&T Mobility Ii Llc Asymmetrical receivers for wireless communication
US8811200B2 (en) * 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
JP2011188247A (ja) * 2010-03-09 2011-09-22 Kddi Corp 直交周波数分割多重通信装置及び方法
US9806790B2 (en) 2010-03-29 2017-10-31 Odyssey Wireless, Inc. Systems/methods of spectrally efficient communications
KR101480531B1 (ko) * 2010-09-13 2015-01-08 한국전자통신연구원 무선통신 시스템에서 부반송파 간격의 제어장치 및 방법
US8942116B2 (en) * 2010-09-27 2015-01-27 Ceragon Networks Ltd. Asymmetrical link configuration for increased total network capacity
JP5984062B2 (ja) 2011-02-18 2016-09-06 サン パテント トラスト 信号生成方法及び信号生成装置
US9565655B2 (en) 2011-04-13 2017-02-07 Google Technology Holdings LLC Method and apparatus to detect the transmission bandwidth configuration of a channel in connection with reducing interference between channels in wireless communication systems
US8934500B2 (en) 2011-04-13 2015-01-13 Motorola Mobility Llc Method and apparatus using two radio access technologies for scheduling resources in wireless communication systems
US9281928B2 (en) * 2011-04-18 2016-03-08 Broadcom Corporation Range extension within single user, multiple user, multiple access, and/or MIMO wireless communications
KR101260010B1 (ko) * 2011-08-05 2013-05-06 주식회사 아이덴코아 보상기능을 갖는 비디오 디코딩 시스템
EP3007437A4 (de) 2013-05-28 2017-02-22 LG Electronics Inc. Vorrichtung zum senden von rundfunksignalen, vorrichtung zum empfangen von rundfunksignalen, verfahren zum senden von rundfunksignalen und verfahren zum empfangen von rundfunksignalen
KR102364907B1 (ko) 2013-08-22 2022-02-18 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 디지털 텔레비전 시스템을 위한 낮은 인접 채널 간섭 모드
EP3078176B1 (de) * 2013-12-06 2019-06-12 LG Electronics Inc. Verfahren und vorrichtung zum senden und empfangen eines rundfunksignals
US10862634B2 (en) 2014-03-07 2020-12-08 Huawei Technologies Co., Ltd. Systems and methods for OFDM with flexible sub-carrier spacing and symbol duration
EP3001624A1 (de) * 2014-09-29 2016-03-30 Alcatel Lucent Verfahren und Sender zur Erzeugung eines Mehrträgersignals
US9681446B2 (en) 2014-10-09 2017-06-13 Qualcomm Incorporated Flexible Gaussian minimum shift keying in a cellular internet of things system
US10206196B2 (en) 2014-10-23 2019-02-12 At&T Intellectual Property I, L.P. Dynamic wireless multicast orthogonal frequency division multiple access architecture
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
US11343823B2 (en) 2020-08-16 2022-05-24 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
US11917604B2 (en) 2019-01-25 2024-02-27 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
EP3915236A4 (de) 2019-01-25 2023-05-24 Genghiscomm Holdings, LLC Orthogonaler mehrfachzugriff und nicht-orthogonaler mehrfachzugrif
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259040A (ja) * 1984-06-05 1985-12-21 Nec Corp 符号配置方式
US5282019A (en) * 1988-10-03 1994-01-25 Carlo Basile Method and apparatus for the transmission and reception of a multicarrier digital television signal
US5063574A (en) * 1990-03-06 1991-11-05 Moose Paul H Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels
US5291289A (en) * 1990-11-16 1994-03-01 North American Philips Corporation Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation
US5748147A (en) * 1992-03-04 1998-05-05 Motorola Inc Position locating rescue transceiver
SE470038B (sv) * 1992-11-13 1993-10-25 Televerket Förfarande och anordning för dynamisk allokering av multipla bärvågskanaler för multipelaccess genom frekvensmultiplexering
CA2115118A1 (en) * 1993-02-08 1994-08-09 Arie Geert Cornelis Koppelaar Method of transmitting a data stream, transmitter and receiver
JPH07321765A (ja) * 1994-05-30 1995-12-08 Nippon Hoso Kyokai <Nhk> 階層化変調方式および送受信装置
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
JPH08331095A (ja) * 1995-05-31 1996-12-13 Sony Corp 通信システム
KR100457987B1 (ko) * 1995-08-16 2005-01-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 심볼처리가향상된전송시스템및수신기
JPH09153882A (ja) * 1995-09-25 1997-06-10 Victor Co Of Japan Ltd 直交周波数分割多重信号伝送方式、送信装置及び受信装置
US5822323A (en) * 1995-09-29 1998-10-13 Victor Company Of Japan, Ltd. Frequency division multiplexed signal generating apparatus and related decoding apparatus
US5952922A (en) * 1996-12-31 1999-09-14 Lucent Technologies Inc. In-building modulated backscatter system

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EP0869647A2 (de) 1998-10-07
US6175550B1 (en) 2001-01-16
DE69806670T2 (de) 2003-02-27

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