DE4290409T1 - Variables Bandbreiten-CDMA-Funksystem - Google Patents

Variables Bandbreiten-CDMA-Funksystem

Info

Publication number
DE4290409T1
DE4290409T1 DE4290409T DE4290409T DE4290409T1 DE 4290409 T1 DE4290409 T1 DE 4290409T1 DE 4290409 T DE4290409 T DE 4290409T DE 4290409 T DE4290409 T DE 4290409T DE 4290409 T1 DE4290409 T1 DE 4290409T1
Authority
DE
Germany
Prior art keywords
radio system
variable bandwidth
cdma radio
bandwidth cdma
variable
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.)
Pending
Application number
DE4290409T
Other languages
English (en)
Other versions
DE4290409C2 (de
Inventor
Eugene J Bruckert
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 DE4290409T1 publication Critical patent/DE4290409T1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/30Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/20Selecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2631Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for broadband transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
DE4290409T 1991-02-22 1992-02-03 Variables Bandbreiten-CDMA-Funksystem Pending DE4290409T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/660,192 US5128959A (en) 1991-02-22 1991-02-22 Variable bandwidth CDMA radio system
PCT/US1992/000827 WO1992015164A1 (en) 1991-02-22 1992-02-03 Variable bandwidth cdma radio system

Publications (1)

Publication Number Publication Date
DE4290409T1 true DE4290409T1 (de) 1997-07-31

Family

ID=24648528

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4290409T Pending DE4290409T1 (de) 1991-02-22 1992-02-03 Variables Bandbreiten-CDMA-Funksystem
DE4290409A Expired - Fee Related DE4290409C2 (de) 1991-02-22 1992-02-03 CDMA-Übertragungsverfahren zwischen Basisstationen und einer Mobilstation

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4290409A Expired - Fee Related DE4290409C2 (de) 1991-02-22 1992-02-03 CDMA-Übertragungsverfahren zwischen Basisstationen und einer Mobilstation

Country Status (10)

Country Link
US (1) US5128959A (de)
JP (1) JP3118835B2 (de)
KR (1) KR960007814B1 (de)
BR (1) BR9205653A (de)
CA (1) CA2100754C (de)
DE (2) DE4290409T1 (de)
FR (1) FR2673345B1 (de)
GB (1) GB2269965B (de)
MX (1) MX9200738A (de)
WO (1) WO1992015164A1 (de)

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Also Published As

Publication number Publication date
BR9205653A (pt) 1994-06-21
CA2100754A1 (en) 1992-08-23
WO1992015164A1 (en) 1992-09-03
FR2673345B1 (fr) 1994-03-11
JPH06505607A (ja) 1994-06-23
MX9200738A (es) 1992-09-01
FR2673345A1 (fr) 1992-08-28
GB2269965A (en) 1994-02-23
KR930703780A (ko) 1993-11-30
GB2269965B (en) 1995-05-10
KR960007814B1 (ko) 1996-06-12
US5128959A (en) 1992-07-07
DE4290409C2 (de) 1998-07-02
GB9314878D0 (en) 1993-12-01
CA2100754C (en) 1996-08-20
JP3118835B2 (ja) 2000-12-18

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