SE9800827L - Mottagare - Google Patents

Mottagare

Info

Publication number
SE9800827L
SE9800827L SE9800827A SE9800827A SE9800827L SE 9800827 L SE9800827 L SE 9800827L SE 9800827 A SE9800827 A SE 9800827A SE 9800827 A SE9800827 A SE 9800827A SE 9800827 L SE9800827 L SE 9800827L
Authority
SE
Sweden
Prior art keywords
complex
receiver
signal
downsampled
input signal
Prior art date
Application number
SE9800827A
Other languages
English (en)
Other versions
SE9800827D0 (sv
Inventor
Goeran Klang
Branislav Popovic
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9800827A priority Critical patent/SE9800827L/sv
Publication of SE9800827D0 publication Critical patent/SE9800827D0/sv
Priority to US09/039,371 priority patent/US6363106B1/en
Priority to AU28647/99A priority patent/AU2864799A/en
Priority to PCT/SE1999/000334 priority patent/WO1999046866A1/en
Priority to CA002322389A priority patent/CA2322389A1/en
Priority to EP99909450A priority patent/EP1068672A1/en
Priority to CN99806112A priority patent/CN1300477A/zh
Publication of SE9800827L publication Critical patent/SE9800827L/sv

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
SE9800827A 1998-03-13 1998-03-13 Mottagare SE9800827L (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9800827A SE9800827L (sv) 1998-03-13 1998-03-13 Mottagare
US09/039,371 US6363106B1 (en) 1998-03-13 1998-03-16 Method and apparatus for despreading OQPSK spread signals
AU28647/99A AU2864799A (en) 1998-03-13 1999-03-05 A method and device for despreading an offset signal
PCT/SE1999/000334 WO1999046866A1 (en) 1998-03-13 1999-03-05 A method and device for despreading an offset signal
CA002322389A CA2322389A1 (en) 1998-03-13 1999-03-05 A method and device for despreading an offset signal
EP99909450A EP1068672A1 (en) 1998-03-13 1999-03-05 A method and device for despreading an offset signal
CN99806112A CN1300477A (zh) 1998-03-13 1999-03-05 用于对偏移信号去扩频的方法和设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9800827A SE9800827L (sv) 1998-03-13 1998-03-13 Mottagare
US09/039,371 US6363106B1 (en) 1998-03-13 1998-03-16 Method and apparatus for despreading OQPSK spread signals

Publications (2)

Publication Number Publication Date
SE9800827D0 SE9800827D0 (sv) 1998-03-13
SE9800827L true SE9800827L (sv) 1999-09-14

Family

ID=26663234

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800827A SE9800827L (sv) 1998-03-13 1998-03-13 Mottagare

Country Status (7)

Country Link
US (1) US6363106B1 (sv)
EP (1) EP1068672A1 (sv)
CN (1) CN1300477A (sv)
AU (1) AU2864799A (sv)
CA (1) CA2322389A1 (sv)
SE (1) SE9800827L (sv)
WO (1) WO1999046866A1 (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3237628B2 (ja) * 1998-11-02 2001-12-10 日本電気株式会社 伝搬路特性推定器
US6556634B1 (en) * 1999-02-10 2003-04-29 Ericsson, Inc. Maximum likelihood rake receiver for use in a code division, multiple access wireless communication system
JP3362009B2 (ja) * 1999-03-01 2003-01-07 シャープ株式会社 スペクトル拡散通信装置
US7039036B1 (en) * 1999-04-01 2006-05-02 Texas Instruments Incorporated Reduced complexity primary and secondary synchronization codes with good correlation properties for WCDMA
US7415084B2 (en) * 2002-09-12 2008-08-19 Interdigital Technology Corporation Mitigation of interference in cell search by wireless transmit and receive units
US7203253B2 (en) * 2002-09-26 2007-04-10 Marvell World Trade Ltd. Method and apparatus of cross-correlation
JP4140521B2 (ja) * 2003-12-26 2008-08-27 沖電気工業株式会社 復調器
US7369606B1 (en) * 2004-02-19 2008-05-06 L-3 Communications Corporation Phase error detector using I/Q interference cancellation
US7764741B2 (en) * 2005-07-28 2010-07-27 Broadcom Corporation Modulation-type discrimination in a wireless communication network
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
US7733945B2 (en) * 2008-03-18 2010-06-08 On-Ramp Wireless, Inc. Spread spectrum with doppler optimization
US20090239550A1 (en) * 2008-03-18 2009-09-24 Myers Theodore J Random phase multiple access system with location tracking
US7773664B2 (en) * 2008-03-18 2010-08-10 On-Ramp Wireless, Inc. Random phase multiple access system with meshing
US7593383B1 (en) 2008-03-18 2009-09-22 On-Ramp Wireless, Inc. Uplink transmitter in a random phase multiple access communication system
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
DE102008027389B4 (de) * 2008-06-09 2019-11-14 Atmel Corp. Sendeschaltung und Verfahren zum Senden einer zu übertragenden Bitfolge
US7639726B1 (en) 2009-03-20 2009-12-29 On-Ramp Wireless, Inc. Downlink communication
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
US7702290B1 (en) 2009-04-08 2010-04-20 On-Ramp Wirless, Inc. Dynamic energy control
US8774329B2 (en) 2010-07-01 2014-07-08 Intelleflex Corporation Variable length correlator
CN102075472B (zh) * 2011-02-16 2014-12-31 四川九洲电器集团有限责任公司 一种扩频oqpsk中频及解扩解调方法
WO2013020105A2 (en) * 2011-08-04 2013-02-07 Rambus Inc. Low-cost tracking system
CN105103508A (zh) * 2013-03-30 2015-11-25 中兴通讯股份有限公司 从正交相移键控调制光信号恢复数据
WO2015027903A1 (en) 2013-08-27 2015-03-05 Zte Corporation Optical communication using super-nyquist signals
CN107317777B (zh) * 2017-06-29 2020-08-18 河南科技大学 Bpsk解调过程中观测空间的划分方法
US10491264B1 (en) 2018-11-12 2019-11-26 Analog Devices Global Unlimited Company Combined demodulator and despreader

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
US5276705A (en) * 1993-01-06 1994-01-04 The Boeing Company CCD demodulator/correlator
US5361276A (en) * 1993-09-13 1994-11-01 At&T Bell Laboratories All digital maximum likelihood based spread spectrum receiver
US5422909A (en) * 1993-11-30 1995-06-06 Motorola, Inc. Method and apparatus for multi-phase component downconversion
US5619524A (en) 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
US5592506A (en) * 1994-10-17 1997-01-07 Cylink Corporation MSK spread-spectrum receiver which allows CDMA operations
EP0767544A3 (en) 1995-10-04 2002-02-27 Interuniversitair Micro-Elektronica Centrum Vzw Programmable modem using spread spectrum communication
US6005887A (en) * 1996-11-14 1999-12-21 Ericcsson, Inc. Despreading of direct sequence spread spectrum communications signals
US5960040A (en) 1996-12-05 1999-09-28 Raytheon Company Communication signal processors and methods
US6134260A (en) * 1997-12-16 2000-10-17 Ericsson Inc. Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers

Also Published As

Publication number Publication date
SE9800827D0 (sv) 1998-03-13
US6363106B1 (en) 2002-03-26
CA2322389A1 (en) 1999-09-16
EP1068672A1 (en) 2001-01-17
AU2864799A (en) 1999-09-27
WO1999046866A1 (en) 1999-09-16
CN1300477A (zh) 2001-06-20

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