DE602005022519D1 - Preamble Format für MIMO Funkkommunikation - Google Patents

Preamble Format für MIMO Funkkommunikation

Info

Publication number
DE602005022519D1
DE602005022519D1 DE602005022519T DE602005022519T DE602005022519D1 DE 602005022519 D1 DE602005022519 D1 DE 602005022519D1 DE 602005022519 T DE602005022519 T DE 602005022519T DE 602005022519 T DE602005022519 T DE 602005022519T DE 602005022519 D1 DE602005022519 D1 DE 602005022519D1
Authority
DE
Germany
Prior art keywords
radio communication
preamble format
mimo radio
mimo
preamble
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.)
Active
Application number
DE602005022519T
Other languages
English (en)
Inventor
Christopher Young
Christopher James Hansen
Rajendra Tushar Moorti
Jason A Trachewsky
Matthew James Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Broadcom Corp
Original Assignee
Broadcom Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Broadcom Corp filed Critical Broadcom Corp
Publication of DE602005022519D1 publication Critical patent/DE602005022519D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE602005022519T 2004-05-07 2005-04-15 Preamble Format für MIMO Funkkommunikation Active DE602005022519D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56891404P 2004-05-07 2004-05-07
US57378204P 2004-05-24 2004-05-24
US10/973,595 US7423989B2 (en) 2004-02-13 2004-10-26 Preamble formats for MIMO wireless communications

Publications (1)

Publication Number Publication Date
DE602005022519D1 true DE602005022519D1 (de) 2010-09-09

Family

ID=34935230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005022519T Active DE602005022519D1 (de) 2004-05-07 2005-04-15 Preamble Format für MIMO Funkkommunikation

Country Status (4)

Country Link
US (4) US7423989B2 (de)
EP (1) EP1594235B1 (de)
DE (1) DE602005022519D1 (de)
TW (1) TWI273784B (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3601816B2 (ja) 1999-05-31 2004-12-15 韓國電子通信研究院 移動通信システムにおける変調装置、端末器および変調方法
CN1784851B (zh) * 2003-03-14 2013-02-20 汤姆森特许公司 用于控制终端设备到无线局域网的接入的方法及接入点
US7916803B2 (en) 2003-04-10 2011-03-29 Qualcomm Incorporated Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7680059B2 (en) * 2004-02-13 2010-03-16 Broadcom Corporation Multiple protocol wireless communications in a WLAN
US7423989B2 (en) * 2004-02-13 2008-09-09 Broadcom Corporation Preamble formats for MIMO wireless communications
ATE557486T1 (de) * 2004-04-14 2012-05-15 Xocyst Transfer Ag L L C Doppelmoduskommunikationssysteme und verfahren
HUE031812T2 (en) * 2004-05-27 2017-08-28 Qualcomm Inc Modified prefix structure for IEEE 802.11A extensions to enable coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7668199B2 (en) * 2004-06-17 2010-02-23 Texas Instruments Incorporated Methods and systems for communicating using transmitted symbols associated with multiple time durations
US7826547B2 (en) * 2004-10-26 2010-11-02 Broadcom Corporation Mixed mode preamble for MIMO wireless communications
JP4065276B2 (ja) * 2004-11-12 2008-03-19 三洋電機株式会社 送信方法およびそれを利用した無線装置
US20060133417A1 (en) * 2004-12-02 2006-06-22 International Business Machines Corporation Method and system for providing interoperability of different version protocols without access to protocol specific code
PL2363987T3 (pl) 2004-12-23 2014-03-31 Electronics & Telecommunications Res Inst Urządzenie do nadawania i odbierania danych do zapewnienia szybkiej komunikacji danych oraz stosowny sposób
KR100677542B1 (ko) * 2004-12-24 2007-02-02 삼성전자주식회사 다중입출력 시스템을 단일 직렬 인터페이스를 통해제어하는 방법 및 그 장치
JP4432787B2 (ja) 2005-01-31 2010-03-17 ソニー株式会社 通信装置、通信方法、およびプログラム
KR100679028B1 (ko) * 2005-01-31 2007-02-05 삼성전자주식회사 다중 입력 다중 출력 통신 장치 및 다중 입력 다중 출력통신 장치의 채널 스캐닝 방법
KR100677568B1 (ko) 2005-02-07 2007-02-02 삼성전자주식회사 무선랜 상의 데이터 수신에 대한 제어 응답 프레임의 전송속도 결정 방법
US7599333B2 (en) * 2005-02-08 2009-10-06 Qualcomm Incorporated Wireless messaging preambles allowing for beamforming and legacy device coexistence
DE102005006443A1 (de) * 2005-02-12 2006-08-24 Newlogic Technologies Ag Vorrichtung und Verfahren zur Detektion von Präambeln nach den IEEE 802.11a/b/g Wireless Standards und seine Anwendung auf einen 802.11 Multimodenempfänger
JP4610388B2 (ja) * 2005-03-24 2011-01-12 三洋電機株式会社 無線装置
US7725085B2 (en) * 2005-05-10 2010-05-25 Intel Corporation Space-time communications determination
US7856068B1 (en) * 2005-06-28 2010-12-21 Ralink Technology Corporation Nested preamble for multi input multi output orthogonal frequency division multiplexing
JP3989512B2 (ja) * 2005-09-15 2007-10-10 三洋電機株式会社 無線装置
JP4884105B2 (ja) * 2005-09-20 2012-02-29 三洋電機株式会社 無線装置
US7957474B2 (en) * 2006-01-26 2011-06-07 Texas Instruments Incorporated Robust detection of packet types
US7634015B2 (en) * 2006-02-10 2009-12-15 Intel Corporation Mobile station and method for channel sounding using a single radio frequency transmitter chain in a multiple-input multiple-output (MIMO) system
JP4630370B2 (ja) * 2006-04-27 2011-02-09 三菱電機株式会社 プリアンブル構成方法
US7995665B2 (en) * 2006-06-26 2011-08-09 Ralink Technology (Singapore) Corporation Pte. Ltd. Method and apparatus for reception in a multi-input-multi-output (MIMO) orthogonal frequency domain modulation (OFDM) wireless communication system
JP4249773B2 (ja) * 2006-10-12 2009-04-08 レノボ・シンガポール・プライベート・リミテッド Ｍｉｍｏ無線通信システムを設定する方法、およびコンピュータ
US8577303B2 (en) * 2007-02-05 2013-11-05 Samsung Electronics Co., Ltd. Apparatus and method for transmitting channel sounding signal in wireless communication system
US8130880B1 (en) 2007-05-23 2012-03-06 Hypress, Inc. Wideband digital spectrometer
EP2151076B1 (de) * 2007-06-04 2012-06-27 Nokia Corporation System und verfahren zur zeiteinteilung und übertragung von daten über ein übertragungssystem
CN105933049B (zh) 2007-06-11 2021-03-30 皇家飞利浦电子股份有限公司 用于模拟波束形成的方法、发射站和接收站
RU2454804C2 (ru) * 2007-09-19 2012-06-27 Самсунг Электроникс Ко., Лтд. Устройство и способ перераспределения ресурсов и перегруппировки в системе беспроводной связи
US8077693B2 (en) 2007-09-19 2011-12-13 Samsung Electronics Co., Ltd. Resource remapping and regrouping in a wireless communication system
KR101048437B1 (ko) * 2007-11-30 2011-07-11 삼성전자주식회사 무선 통신 시스템에서 시변 순환 지연 다이버시티 방법 및 장치
KR101513846B1 (ko) * 2008-01-25 2015-04-21 코닌클리케 필립스 엔.브이. 아날로그 빔 조향을 이용하여 신호를 전달하기 위한 방법, 송신 스테이션, 수신 스테이션 및 프리앰블 구조
US8072959B2 (en) * 2008-03-06 2011-12-06 Issc Technologies Corp. Generating method for short training field in IEEE 802.11n communication systems
US7953377B2 (en) * 2008-04-04 2011-05-31 Broadcom Corporation WCDMA transmit architecture
KR101593411B1 (ko) * 2008-07-07 2016-02-12 삼성전자주식회사 혼합 배치에서 연결모드 동안에 단말의 핸드오프를 위한 방법
US8767524B2 (en) * 2008-08-19 2014-07-01 Qualcomm Incorporated Training sequences for very high throughput wireless communication
US8155138B2 (en) * 2008-08-19 2012-04-10 Qualcomm Incorporated Training sequences for very high throughput wireless communication
JP4865048B2 (ja) * 2010-03-15 2012-02-01 株式会社東芝 情報処理装置、その接続確立方法、および無線通信機器
US20120140842A1 (en) * 2010-12-06 2012-06-07 Qualcomm Incorporated Signaling to protect advanced receiver performance in wireless local area networks (lans)
US8767848B2 (en) * 2010-12-23 2014-07-01 Texas Instruments Incorporated Channel estimation based on long training symbol with doubled cyclic prefix
US9008677B2 (en) 2011-06-08 2015-04-14 Qualcomm Incorporated Communication devices for multiple group communications
US8971452B2 (en) 2012-05-29 2015-03-03 Magnolia Broadband Inc. Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems
US8885757B2 (en) 2012-05-29 2014-11-11 Magnolia Broadband Inc. Calibration of MIMO systems with radio distribution networks
US8767862B2 (en) 2012-05-29 2014-07-01 Magnolia Broadband Inc. Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
US8644413B2 (en) 2012-05-29 2014-02-04 Magnolia Broadband Inc. Implementing blind tuning in hybrid MIMO RF beamforming systems
US8649458B2 (en) 2012-05-29 2014-02-11 Magnolia Broadband Inc. Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming
US9154204B2 (en) 2012-06-11 2015-10-06 Magnolia Broadband Inc. Implementing transmit RDN architectures in uplink MIMO systems
WO2014031057A1 (en) * 2012-08-21 2014-02-27 Telefonaktiebolaget L M Ericsson (Publ) Precoding for mimo
US9692123B2 (en) * 2012-09-17 2017-06-27 Qualcomm Incorporated Systems and methods of controlling antenna radiation patterns
US9343808B2 (en) 2013-02-08 2016-05-17 Magnotod Llc Multi-beam MIMO time division duplex base station using subset of radios
US8797969B1 (en) 2013-02-08 2014-08-05 Magnolia Broadband Inc. Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
US20140226740A1 (en) 2013-02-13 2014-08-14 Magnolia Broadband Inc. Multi-beam co-channel wi-fi access point
US8989103B2 (en) 2013-02-13 2015-03-24 Magnolia Broadband Inc. Method and system for selective attenuation of preamble reception in co-located WI FI access points
US9155110B2 (en) 2013-03-27 2015-10-06 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US9100968B2 (en) 2013-05-09 2015-08-04 Magnolia Broadband Inc. Method and system for digital cancellation scheme with multi-beam
WO2014205743A1 (zh) * 2013-06-27 2014-12-31 华为技术有限公司 长训练序列生成方法、发送信号方法和装置
US9425882B2 (en) 2013-06-28 2016-08-23 Magnolia Broadband Inc. Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations
US8995416B2 (en) * 2013-07-10 2015-03-31 Magnolia Broadband Inc. System and method for simultaneous co-channel access of neighboring access points
US9497781B2 (en) 2013-08-13 2016-11-15 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US9060362B2 (en) * 2013-09-12 2015-06-16 Magnolia Broadband Inc. Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme
US9088898B2 (en) 2013-09-12 2015-07-21 Magnolia Broadband Inc. System and method for cooperative scheduling for co-located access points
US9172454B2 (en) 2013-11-01 2015-10-27 Magnolia Broadband Inc. Method and system for calibrating a transceiver array
US8891598B1 (en) 2013-11-19 2014-11-18 Magnolia Broadband Inc. Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
US8942134B1 (en) 2013-11-20 2015-01-27 Magnolia Broadband Inc. System and method for selective registration in a multi-beam system
US8929322B1 (en) 2013-11-20 2015-01-06 Magnolia Broadband Inc. System and method for side lobe suppression using controlled signal cancellation
US9294177B2 (en) 2013-11-26 2016-03-22 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9014066B1 (en) 2013-11-26 2015-04-21 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9042276B1 (en) 2013-12-05 2015-05-26 Magnolia Broadband Inc. Multiple co-located multi-user-MIMO access points
US9100154B1 (en) 2014-03-19 2015-08-04 Magnolia Broadband Inc. Method and system for explicit AP-to-AP sounding in an 802.11 network
US9172446B2 (en) 2014-03-19 2015-10-27 Magnolia Broadband Inc. Method and system for supporting sparse explicit sounding by implicit data
US9271176B2 (en) 2014-03-28 2016-02-23 Magnolia Broadband Inc. System and method for backhaul based sounding feedback
US10075248B2 (en) * 2015-09-30 2018-09-11 Intel IP Corporation Preamble-based transmission power detection
US10498418B2 (en) * 2017-01-11 2019-12-03 Qualcomm Incorporated Fragmented beamforming for wireless devices
US11223958B1 (en) 2019-12-07 2022-01-11 Facebook, Inc. Distributing spectral resources between interfering cells
US20230336258A1 (en) * 2019-12-07 2023-10-19 Meta Platforms, Inc. Automatic detection of interfering cells in a brown-field deployment

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000244441A (ja) * 1998-12-22 2000-09-08 Matsushita Electric Ind Co Ltd Ｏｆｄｍ送受信装置
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US7248841B2 (en) * 2000-06-13 2007-07-24 Agee Brian G Method and apparatus for optimization of wireless multipoint electromagnetic communication networks
US7269127B2 (en) 2001-10-04 2007-09-11 Bae Systems Information And Electronic Systems Integration Inc. Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems
US20040047284A1 (en) 2002-03-13 2004-03-11 Eidson Donald Brian Transmit diversity framing structure for multipath channels
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
JP4226442B2 (ja) * 2002-11-14 2009-02-18 パナソニック株式会社 無線通信装置
US7254196B2 (en) * 2002-11-26 2007-08-07 Agere Systems Inc. Symbol timing for MIMO OFDM and other wireless communication systems
US7302278B2 (en) * 2003-07-03 2007-11-27 Rotani, Inc. Method and apparatus for high throughput multiple radio sectorized wireless cell
US7321614B2 (en) * 2003-08-08 2008-01-22 Intel Corporation Apparatus and methods for communicating using symbol-modulated subcarriers
US6917311B2 (en) * 2003-08-11 2005-07-12 Texas Instruments Incorporated Orthogonal preamble encoder, method of encoding orthogonal preambles and multiple-input, multiple-output communication system employing the same
US7280804B2 (en) * 2004-01-30 2007-10-09 Intel Corporation Channel adaptation using variable sounding signal rates
US7423989B2 (en) * 2004-02-13 2008-09-09 Broadcom Corporation Preamble formats for MIMO wireless communications

Also Published As

Publication number Publication date
TW200620867A (en) 2006-06-16
US7423989B2 (en) 2008-09-09
US8284651B2 (en) 2012-10-09
US20120321015A1 (en) 2012-12-20
US7991009B2 (en) 2011-08-02
US8576695B2 (en) 2013-11-05
EP1594235B1 (de) 2010-07-28
TWI273784B (en) 2007-02-11
EP1594235A1 (de) 2005-11-09
US20050180360A1 (en) 2005-08-18
US20080310351A1 (en) 2008-12-18
US20110280331A1 (en) 2011-11-17

Similar Documents

Publication Publication Date Title
DE602005022519D1 (de) Preamble Format für MIMO Funkkommunikation
DE602005022153D1 (de) Vielfachmoduspreamble für MIMO Funkkommunikation
GB2447585B (en) Radio network communication
GB0525161D0 (en) Antenna system for wireless communications
NO20083317L (no) Trådløs kommunikasjonsmodul for mobil kommunikasjon
EP1852986A4 (de) Drahtloses kommunikationssystem
EP1916806A4 (de) Drahtloses kommunikationssystem
GB0503291D0 (en) Mobile communication
EP1838012A4 (de) Drahtloses kommunikationssystem
EP1966908A4 (de) Drahtloses kommunikations-mimo-system mit repeatern
EP1946601A4 (de) Auswahldiversität für die funkkommunikation
EP1946459A4 (de) Mimo-kommunikationssystem
EP1838022A4 (de) Drahtloses kommunikationssystem
IL192491A0 (en) Gps synchronization for wireless communication stations
EP1885071A4 (de) Funkkommunikationseinrichtung, mobiles endgerät, funkkommunikationsverfahren
HK1104714A1 (en) Frame structures for a wireless communication system with multiple radio technologies
EP1833186A4 (de) Drahtloses kommunikationssystem
DE602006002683D1 (de) Antenne für ein Mobiltelefon
GB0501938D0 (en) Balanced-unbalanced antennas for cellular radio handsets, PDAs etc
DE602006018854D1 (de) Antenne für MIMO-Kommunikation
DE602006003820D1 (de) Sender-Empfänger für Funkkommunikationssystem
DE602005014051D1 (de) Funkkommunikationsgerät
GB2427792B (en) Wireless communications system
DE602006001055D1 (de) Ein mobiles Kommunikationssystem
EP1768279A4 (de) Funkkommunikationssystem