AU2002210571A1 - Multipath communications receiver - Google Patents

Multipath communications receiver

Info

Publication number
AU2002210571A1
AU2002210571A1 AU2002210571A AU1057102A AU2002210571A1 AU 2002210571 A1 AU2002210571 A1 AU 2002210571A1 AU 2002210571 A AU2002210571 A AU 2002210571A AU 1057102 A AU1057102 A AU 1057102A AU 2002210571 A1 AU2002210571 A1 AU 2002210571A1
Authority
AU
Australia
Prior art keywords
sigma
delta
paths
receiver
communications receiver
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.)
Abandoned
Application number
AU2002210571A
Inventor
Patrick Clement
Nadim Khlat
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of AU2002210571A1 publication Critical patent/AU2002210571A1/en
Abandoned 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
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)

Abstract

A multipath wideband communications receiver (100) having a plurality of RF signal paths (116, 136) covering different but overlapping frequency bands and a plurality of baseband signal paths (140, 150, 160, 170, 180, 190), the paths being re-configurable for sharing of the first and second paths in different ways in order to facilitate processing of received signals in different modes. Also, a rake receiver (800) employs a sigma-delta modulator arrangement (810) and programmable delays to provide fine delay adjustment. The sigma-delta modulator (810) may use sigma-delta circuitry from a sigma-delta A/D converters in a baseband paths of the receiver (100), that this may be achieved with no loss of functionality if in a particular reception configuration that sigma-delta A/D converter is not being utilized. <IMAGE>
AU2002210571A 2000-12-07 2001-10-22 Multipath communications receiver Abandoned AU2002210571A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00403443A EP1213844B1 (en) 2000-12-07 2000-12-07 Multibranch communications receiver
EP00403443.5 2000-12-07
PCT/EP2001/012401 WO2002047282A2 (en) 2000-12-07 2001-10-22 Multipath communications receiver

Publications (1)

Publication Number Publication Date
AU2002210571A1 true AU2002210571A1 (en) 2002-06-18

Family

ID=8173973

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002210571A Abandoned AU2002210571A1 (en) 2000-12-07 2001-10-22 Multipath communications receiver

Country Status (9)

Country Link
US (1) US7672689B2 (en)
EP (1) EP1213844B1 (en)
JP (1) JP4072056B2 (en)
KR (1) KR100829766B1 (en)
CN (1) CN1479978A (en)
AT (1) ATE262238T1 (en)
AU (1) AU2002210571A1 (en)
DE (1) DE60009095T2 (en)
WO (1) WO2002047282A2 (en)

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EP1473845A1 (en) * 2003-04-29 2004-11-03 Sony Ericsson Mobile Communications AB Front end of a multi-standard two-channel direct-conversion quadrature receiver
EP1664824B1 (en) * 2003-09-02 2015-01-14 SiRF Technology, Inc. Satellite positioning receiver and method of communicating between the signal processing and FFT subsystems of said satellite positioning receiver
US20050117663A1 (en) * 2003-12-02 2005-06-02 Serge Drogi Chip set for digital audio satellite radio receivers
US20050118977A1 (en) * 2003-12-02 2005-06-02 Drogi Serge F. Method, apparatus, and systems for digital radio communication systems
US20050119025A1 (en) * 2003-12-02 2005-06-02 Rishi Mohindra Serial digital interface for wireless network radios and baseband integrated circuits
DE102004017527B4 (en) * 2004-04-08 2007-10-31 Infineon Technologies Ag Transceiver circuit and method for providing local oscillator signals in a transceiver circuit
KR20060130244A (en) * 2004-04-16 2006-12-18 코닌클리케 필립스 일렉트로닉스 엔.브이. Receiver for receiving multiple standards
DE102006027404A1 (en) * 2006-06-13 2007-12-20 Benq Mobile Gmbh & Co. Ohg Apparatus and method for receiving signals
US7693544B2 (en) * 2006-06-29 2010-04-06 Intel Corporation System, method and device of receiving signals of a plurality of communication services
US8660104B2 (en) * 2006-09-29 2014-02-25 Broadcom Corporation Method and system for communicating information in a multi-antenna system
WO2008117127A1 (en) 2007-03-26 2008-10-02 Freescale Semiconductor, Inc. A method and apparatus to receive location information in a diversity enabled receiver
US8073500B2 (en) * 2007-09-21 2011-12-06 Kyocera Corporation Detecting the presence of multiple communication access technologies
JP2009232206A (en) * 2008-03-24 2009-10-08 Toshiba Corp Wireless communication device
DE102008026698A1 (en) * 2008-06-04 2009-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-frequency band receiver
US8385865B2 (en) * 2008-08-12 2013-02-26 Sony Mobile Communications Ab Evolved EDGE receiver
US8385471B2 (en) * 2008-08-18 2013-02-26 Nxp B.V. Multi-channel receiver
KR200451845Y1 (en) * 2008-10-29 2011-01-13 최영수 Complex assembly for composition structure
US20100105340A1 (en) * 2008-10-29 2010-04-29 Qualcomm Incorporated Interface for wireless communication devices
US20100261435A1 (en) * 2009-04-09 2010-10-14 Broadcom Corporation Multiple frequency band information signal frequency band compression
US20120288035A1 (en) * 2011-05-11 2012-11-15 Udo Karthaus Base-band to radio frequency up-converter
CN103684480A (en) * 2012-09-21 2014-03-26 中兴通讯股份有限公司 Mixed-mode signal receiving method and mixed-mode signal receiving circuit
US9544041B2 (en) * 2013-08-22 2017-01-10 Cisco Technology, Inc. Independent and concurrent automatic gain control for wireless communication and spectral intelligence
US9300264B2 (en) 2014-08-22 2016-03-29 Mediatek Inc. Receiver arrangement and method of performing operations of receiver
US9350399B1 (en) * 2014-12-19 2016-05-24 Microsemi Storage Solutions (U.S.), Inc. Method and apparatus for baseband processing an analog signal in a direct conversion radio receiver
US9912348B1 (en) * 2016-12-14 2018-03-06 GM Global Technology Operations LLC Method and apparatus for hybrid delta-sigma and Nyquist data converters
US11190311B2 (en) * 2018-06-08 2021-11-30 Analog Devices International Unlimited Company Multi-channel communication using timeslots
US10903867B1 (en) * 2019-08-30 2021-01-26 U-Blox Ag Discrete time superheterodyne mixer

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Also Published As

Publication number Publication date
JP2004515961A (en) 2004-05-27
US7672689B2 (en) 2010-03-02
WO2002047282A2 (en) 2002-06-13
EP1213844A1 (en) 2002-06-12
DE60009095D1 (en) 2004-04-22
ATE262238T1 (en) 2004-04-15
EP1213844B1 (en) 2004-03-17
WO2002047282A3 (en) 2003-03-20
KR20030067699A (en) 2003-08-14
JP4072056B2 (en) 2008-04-02
CN1479978A (en) 2004-03-03
KR100829766B1 (en) 2008-05-16
US20040038652A1 (en) 2004-02-26
DE60009095T2 (en) 2004-08-19

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