IL139724A0 - Frequency-hopping radio system with hybrid direct-sequence/hopping mode during start-up - Google Patents

Frequency-hopping radio system with hybrid direct-sequence/hopping mode during start-up

Info

Publication number
IL139724A0
IL139724A0 IL13972499A IL13972499A IL139724A0 IL 139724 A0 IL139724 A0 IL 139724A0 IL 13972499 A IL13972499 A IL 13972499A IL 13972499 A IL13972499 A IL 13972499A IL 139724 A0 IL139724 A0 IL 139724A0
Authority
IL
Israel
Prior art keywords
hopping
sequence
during start
radio system
spreading
Prior art date
Application number
IL13972499A
Other languages
English (en)
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
Publication of IL139724A0 publication Critical patent/IL139724A0/xx

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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • 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
    • H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7156—Arrangements for sequence synchronisation
    • H04B2001/71563—Acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transceivers (AREA)
IL13972499A 1998-05-19 1999-05-17 Frequency-hopping radio system with hybrid direct-sequence/hopping mode during start-up IL139724A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8596798P 1998-05-19 1998-05-19
US09/273,545 US6345066B1 (en) 1998-05-19 1999-03-22 Reduction of access time delay in frequency-hopping radio systems using a direct sequence mode
PCT/SE1999/000835 WO1999060718A1 (en) 1998-05-19 1999-05-17 Frequency-hopping radio system with hybrid direct-sequence/hopping mode during start-up

Publications (1)

Publication Number Publication Date
IL139724A0 true IL139724A0 (en) 2002-02-10

Family

ID=26773285

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13972499A IL139724A0 (en) 1998-05-19 1999-05-17 Frequency-hopping radio system with hybrid direct-sequence/hopping mode during start-up

Country Status (13)

Country Link
US (1) US6345066B1 (pt)
EP (1) EP1080547B1 (pt)
JP (1) JP2002516513A (pt)
KR (1) KR100601242B1 (pt)
CN (1) CN1301433A (pt)
AT (1) ATE333723T1 (pt)
AU (1) AU4540399A (pt)
BR (1) BR9910596B1 (pt)
DE (1) DE69932430T2 (pt)
EE (1) EE200000684A (pt)
IL (1) IL139724A0 (pt)
MY (1) MY126623A (pt)
WO (1) WO1999060718A1 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6873644B1 (en) * 1999-10-08 2005-03-29 Terence W. Barrett High data rate inter-satellite communications links method
AU8468901A (en) * 2000-08-01 2002-02-13 Itron Inc Low power dual protocol transceiver
US6983243B1 (en) * 2000-10-27 2006-01-03 Lucent Technologies Inc. Methods and apparatus for wireless transmission using multiple description coding
EP1352498A2 (en) * 2001-01-18 2003-10-15 Koninklijke Philips Electronics N.V. Connectionless broadcast signalling
US7054346B2 (en) * 2001-05-07 2006-05-30 Lucent Technologies Inc. Enhanced frequency hopping in a wireless system
US7272358B2 (en) * 2002-03-07 2007-09-18 Texas Instruments Incorporated Channelization scheme for wireless local area networks
US7050775B2 (en) * 2002-07-11 2006-05-23 Itt Manufacturing Enterprises, Inc. Method and apparatus for securely enabling a radio communication unit from standby mode
FI115021B (fi) 2002-12-20 2005-02-15 Nokia Corp Suora ylössuuntainen pääsy
DE10317549A1 (de) * 2003-04-15 2004-11-04 Daimlerchrysler Ag Funk-Übertragungsverfahren und Funk-Übertragungssystem
DE60312479T2 (de) * 2003-04-16 2007-11-29 Sony Ericsson Mobile Communications Ab Direkter digitaler Frequenzsynthetisierer für ein zellulares schnurloses Kommunikationssystem basierend auf schneller Frequenzsprung-Spreizspektrum-Technologie
US7106814B2 (en) * 2003-04-30 2006-09-12 Motorola, Inc. Method and wireless device employing a preamble to initiate communications
US7453853B2 (en) * 2003-10-09 2008-11-18 Ericsson Technology Licensing Ab Adaptive correlation of access codes in a packet-based communication system
US7406070B2 (en) * 2003-10-09 2008-07-29 Telefonaktiebolaget L M Ericsson (Publ) Adaptive threshold for HS-SCCH part 1 decoding
DE602005014761D1 (de) * 2004-04-15 2009-07-16 Dsp Group Switzerland Ag Einrichtung zur verwendung in einem frequenzsprungsystem
US8046079B2 (en) 2007-03-13 2011-10-25 Cardiac Pacemakers, Inc. Implantable medical device telemetry with hop-on-error frequency hopping
US20080285628A1 (en) * 2007-05-17 2008-11-20 Gizis Alexander C Communications systems and methods for remotely controlled vehicles
US7733938B2 (en) * 2007-08-09 2010-06-08 Mediatek Inc. Methods and apparatuses for channel assessment
CN101252566B (zh) * 2008-04-14 2012-04-25 哈尔滨工业大学 频域直扩-分数域跳频混合信号的产生和接收方法及装置
CN101252568B (zh) * 2008-04-16 2010-11-17 哈尔滨工业大学 频域直接序列扩频与分数傅立叶域切普信号扩频传输方法
GB2475229B (en) * 2009-11-05 2016-08-03 Thales Holdings Uk Plc Ultra-wideband radio reception
EP2499752B1 (en) 2009-11-13 2018-05-23 Koninklijke Philips N.V. Quick re-connect diversity radio system
EP2464175A3 (en) * 2010-10-11 2012-06-27 Stichting IMEC Nederland System and method for selective channel removal in multi-channel receivers
CN104393891B (zh) * 2014-11-27 2017-05-10 电子科技大学 采用信息驱动直接序列扩频/跳频的通信方法
EP4075679A1 (en) * 2021-04-14 2022-10-19 Renishaw PLC Radio communications apparatus for a measurement system
CN113037326B (zh) * 2021-05-31 2021-10-26 北京理工大学 扩频通信方法、装置、设备和可读存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2660441B2 (ja) * 1989-07-03 1997-10-08 双葉電子工業 株式会社 スペクトラム拡散通信用受信装置
JPH07118668B2 (ja) 1990-06-15 1995-12-18 双葉電子工業株式会社 スペクトル拡散通信方式
US5339331A (en) * 1993-09-09 1994-08-16 Lockheed Corporation Frequency hopping spread spectrum receiver
US5528623A (en) 1994-10-26 1996-06-18 American Wireless Corporation Cordless telephone system having automatic control of transmitter power and frequency in response to changing conditions
US5822362A (en) * 1996-03-15 1998-10-13 Aironet Wireless Communications, Inc. Sinusoidal phase modulation method and system
US6223053B1 (en) * 1996-06-26 2001-04-24 Cisco Systems, Inc. Universal radio for use in various cellular communication systems
JP3695009B2 (ja) 1996-08-28 2005-09-14 ブラザー工業株式会社 無線通信システム
JPH10154948A (ja) * 1996-11-21 1998-06-09 Brother Ind Ltd 周波数ホッピング通信装置
US5926501A (en) * 1996-12-12 1999-07-20 Motorola, Inc. Method and apparatus for dynamic channel configuration
US6115408A (en) * 1998-04-03 2000-09-05 Butterfly Vsli Ltd. Automatic transmission power level control method in a frequency hopping communication system

Also Published As

Publication number Publication date
WO1999060718A1 (en) 1999-11-25
MY126623A (en) 2006-10-31
EE200000684A (et) 2002-04-15
DE69932430D1 (de) 2006-08-31
BR9910596B1 (pt) 2014-09-23
JP2002516513A (ja) 2002-06-04
KR20010034870A (ko) 2001-04-25
ATE333723T1 (de) 2006-08-15
DE69932430T2 (de) 2006-11-30
EP1080547A1 (en) 2001-03-07
US6345066B1 (en) 2002-02-05
KR100601242B1 (ko) 2006-07-19
CN1301433A (zh) 2001-06-27
BR9910596A (pt) 2001-01-16
AU4540399A (en) 1999-12-06
EP1080547B1 (en) 2006-07-19

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