DE60318760D1 - Verfahren und Vorrichtung zur kohärenten Addition von Signalen von verschiedenen Sendern - Google Patents

Verfahren und Vorrichtung zur kohärenten Addition von Signalen von verschiedenen Sendern

Info

Publication number
DE60318760D1
DE60318760D1 DE60318760T DE60318760T DE60318760D1 DE 60318760 D1 DE60318760 D1 DE 60318760D1 DE 60318760 T DE60318760 T DE 60318760T DE 60318760 T DE60318760 T DE 60318760T DE 60318760 D1 DE60318760 D1 DE 60318760D1
Authority
DE
Germany
Prior art keywords
signals
image
transmitters
receiver
different
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
DE60318760T
Other languages
English (en)
Other versions
DE60318760T2 (de
Inventor
Michael A Mayor
Ning Parsippany Lu
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.)
Exelis Inc
Original Assignee
ITT Manufacturing Enterprises LLC
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 ITT Manufacturing Enterprises LLC filed Critical ITT Manufacturing Enterprises LLC
Application granted granted Critical
Publication of DE60318760D1 publication Critical patent/DE60318760D1/de
Publication of DE60318760T2 publication Critical patent/DE60318760T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/026—Co-operative diversity, e.g. using fixed or mobile stations as relays
DE60318760T 2002-02-12 2003-02-11 Verfahren und Vorrichtung zur kohärenten Addition von Signalen von verschiedenen Sendern Expired - Lifetime DE60318760T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/073,037 US7218682B2 (en) 2002-02-12 2002-02-12 Methods and apparatus for synchronously combining signals from plural transmitters
US73037 2002-02-12

Publications (2)

Publication Number Publication Date
DE60318760D1 true DE60318760D1 (de) 2008-03-13
DE60318760T2 DE60318760T2 (de) 2009-01-08

Family

ID=27610566

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60318760T Expired - Lifetime DE60318760T2 (de) 2002-02-12 2003-02-11 Verfahren und Vorrichtung zur kohärenten Addition von Signalen von verschiedenen Sendern

Country Status (6)

Country Link
US (1) US7218682B2 (de)
EP (1) EP1335503B1 (de)
AT (1) ATE385082T1 (de)
AU (1) AU2003304640A1 (de)
DE (1) DE60318760T2 (de)
WO (1) WO2005060363A2 (de)

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US7289494B2 (en) * 2001-12-06 2007-10-30 Pulse-Link, Inc. Systems and methods for wireless communication over a wide bandwidth channel using a plurality of sub-channels
US7349439B2 (en) * 2001-12-06 2008-03-25 Pulse-Link, Inc. Ultra-wideband communication systems and methods
US7406647B2 (en) * 2001-12-06 2008-07-29 Pulse-Link, Inc. Systems and methods for forward error correction in a wireless communication network
US8045935B2 (en) 2001-12-06 2011-10-25 Pulse-Link, Inc. High data rate transmitter and receiver
US20050201473A1 (en) * 2001-12-06 2005-09-15 Ismail Lakkis Systems and methods for receiving data in a wireless communication network
US20050053121A1 (en) * 2001-12-06 2005-03-10 Ismail Lakkis Ultra-wideband communication apparatus and methods
US7450637B2 (en) * 2001-12-06 2008-11-11 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7257156B2 (en) * 2001-12-06 2007-08-14 Pulse˜Link, Inc. Systems and methods for equalization of received signals in a wireless communication network
US7391815B2 (en) * 2001-12-06 2008-06-24 Pulse-Link, Inc. Systems and methods to recover bandwidth in a communication system
US7483483B2 (en) * 2001-12-06 2009-01-27 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US20050058180A1 (en) * 2001-12-06 2005-03-17 Ismail Lakkis Ultra-wideband communication apparatus and methods
US20050152483A1 (en) * 2001-12-06 2005-07-14 Ismail Lakkis Systems and methods for implementing path diversity in a wireless communication network
US7317756B2 (en) * 2001-12-06 2008-01-08 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
EP1359684A1 (de) * 2002-04-30 2003-11-05 Motorola Energy Systems Inc. Drahtlose Übertragung unter Verwendung einer adaptiven Antennengruppe
US7385914B2 (en) 2003-10-08 2008-06-10 Atheros Communications, Inc. Apparatus and method of multiple antenna transmitter beamforming of high data rate wideband packetized wireless communication signals
US7715806B2 (en) 2004-10-06 2010-05-11 Broadcom Corporation Method and system for diversity processing including using dedicated pilot method for closed loop
US8406251B2 (en) * 2004-10-06 2013-03-26 Broadcom Corporation Method and system for processing multipath clusters
US7643839B2 (en) * 2004-10-06 2010-01-05 Broadcom Corporation Method and system for diversity processing
US20060104333A1 (en) * 2004-11-18 2006-05-18 Motorola, Inc. Acknowledgment for a time division channel
US20060176896A1 (en) * 2005-02-10 2006-08-10 Callaway Edgar H Jr Method and apparatus for transmitting data within a communication system
US8543138B2 (en) * 2005-03-04 2013-09-24 Qualcomm Incorporated Multi-sector broadcast paging channel
US7839775B2 (en) * 2005-03-15 2010-11-23 Cornell Research Foundation, Inc. Methods and systems for channel sensing multiple access communications with multipacket reception
US7477913B2 (en) * 2005-04-04 2009-01-13 Research In Motion Limited Determining a target transmit power of a wireless transmission according to security requirements
US20070009069A1 (en) * 2005-07-06 2007-01-11 Ning Kong Method operable to determine a signal to noise ratio gap between selection combining and maximal ratio combining for an arbitrary number of diversity branches
US7583935B2 (en) * 2005-07-08 2009-09-01 Telcom Ventures, Llc Method and system for mitigating co-channel interference
US20070197241A1 (en) * 2006-01-03 2007-08-23 Telcom Ventures, Llc Use of timing and synchronization of an orthogonal frequency division multiplex in combined satellite-terrestrial network
US7424402B2 (en) * 2006-02-17 2008-09-09 Agilent Technologies, Inc. System and method for making synchronized signal measurements at spaced apart locations
US20070242666A1 (en) * 2006-04-13 2007-10-18 Alcatel Apparatus for managing requests for data in a communication network
US20100030605A1 (en) * 2006-05-01 2010-02-04 Patent Acquisition & Licensing Co. Automated Timesheet Generation with Auto Summarizer
RU2469477C2 (ru) 2007-03-27 2012-12-10 ТЕЛКОМ ВЕНЧЕРЗ, ЭлЭлСи Способ и система для повышения спектральной эффективности линии передачи данных
US8095145B2 (en) * 2007-03-27 2012-01-10 Telcom Ventures, Llc Method and system of distributing transmissions in a wireless data transmission system
US7924220B1 (en) * 2008-11-24 2011-04-12 Sirf Technology Holdings, Inc. Method and apparatus for weak data frame sync in a positioning system
US8184047B1 (en) * 2008-11-24 2012-05-22 CSR Technology Holdings Inc. Method and apparatus for weak data bit sync in a positioning system
US8675482B1 (en) * 2009-08-05 2014-03-18 Exelis Inc. Method and apparatus for cooperative communications between groups of communication units
US8989790B2 (en) * 2009-09-09 2015-03-24 Lenovo Innovations Limited (Hong Kong) Wireless communication device and wireless communication method
US8228826B2 (en) * 2009-11-30 2012-07-24 Motorola Solutions, Inc. Method and system for call setup in an asynchronous frequency hopping digital two-way communication system
US8588808B2 (en) 2010-05-24 2013-11-19 Nice-Systems Ltd. Method and system for estimation of mobile station velocity in a cellular system based on geographical data
US8200244B2 (en) * 2010-05-24 2012-06-12 Nice Systems Ltd. Method and system for mobile station location
US8831164B2 (en) 2011-09-15 2014-09-09 Exelis Inc Method and apparatus for cooperative communications between groups of communication units using a time reversed channel response
CA2801686A1 (en) 2013-01-14 2014-07-14 Carmanah Technologies Corp. Signal timing coordination system for crosswalk beacons
US10382101B2 (en) * 2016-11-08 2019-08-13 Qatar University Method and apparatus for implementing sparse finite-impulse-response equalizers
EP3324542B1 (de) * 2016-11-18 2019-10-23 Nxp B.V. Adaptiver filter mit verwaltbarer ressourcenteilung
EP3324543B1 (de) 2016-11-18 2020-01-08 Nxp B.V. Adaptives filter und verfahren zum betrieb eines adaptiven filters
US10904818B2 (en) * 2017-02-15 2021-01-26 Maven Wireless Sweden Ab Distributed antenna system providing redundancy
AU2018223887B2 (en) 2017-02-23 2021-11-18 Maven Wireless Sweden Ab Routing aggregated carriers in a DAS
US11252645B2 (en) * 2017-07-28 2022-02-15 Qualcomm Incorporated DMTC window reservation signal in NR shared spectrum
US11647463B2 (en) 2017-09-13 2023-05-09 Intel Corporation Methods and arrangements to enable wake-up receiver for modes of operation
US11576123B2 (en) * 2017-10-11 2023-02-07 Intel Corporation Methods and arrangements to support wake-up radio packet transmission
US11589309B2 (en) 2018-01-12 2023-02-21 Intel Corporation Methods and arrangements to support wake-up radio packet transmission
CN112929141B (zh) * 2021-01-20 2024-04-05 南京中新赛克科技有限责任公司 一种基于图传信号匹配的无人机检测识别方法和系统

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US6507568B2 (en) 1997-08-27 2003-01-14 Lucent Technologies Inc. Enhanced access in wireless communication systems under rapidly fluctuating fading conditions
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US6665521B1 (en) * 2000-08-17 2003-12-16 Motorola, Inc. Method and apparatus for cooperative diversity

Also Published As

Publication number Publication date
DE60318760T2 (de) 2009-01-08
AU2003304640A8 (en) 2005-07-14
US20050031045A1 (en) 2005-02-10
WO2005060363A3 (en) 2005-10-20
EP1335503B1 (de) 2008-01-23
US7218682B2 (en) 2007-05-15
AU2003304640A1 (en) 2005-07-14
EP1335503A1 (de) 2003-08-13
WO2005060363A2 (en) 2005-07-07
ATE385082T1 (de) 2008-02-15

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