GB2298341B - Code division multiple access cellular mobile radio systems - Google Patents

Code division multiple access cellular mobile radio systems

Info

Publication number
GB2298341B
GB2298341B GB9500616A GB9500616A GB2298341B GB 2298341 B GB2298341 B GB 2298341B GB 9500616 A GB9500616 A GB 9500616A GB 9500616 A GB9500616 A GB 9500616A GB 2298341 B GB2298341 B GB 2298341B
Authority
GB
United Kingdom
Prior art keywords
multiple access
division multiple
mobile radio
code division
cellular mobile
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.)
Revoked
Application number
GB9500616A
Other versions
GB9500616D0 (en
GB2298341A (en
Inventor
Anthony Peter Hulbert
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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
Priority claimed from GB9416400A external-priority patent/GB9416400D0/en
Priority to GB9500616A priority Critical patent/GB2298341B/en
Application filed by Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB9500616D0 publication Critical patent/GB9500616D0/en
Priority to EP19960100135 priority patent/EP0729240B1/en
Priority to ES96100135T priority patent/ES2166842T3/en
Priority to DE1996616112 priority patent/DE69616112T2/en
Priority to FI960826A priority patent/FI109494B/en
Publication of GB2298341A publication Critical patent/GB2298341A/en
Publication of GB2298341B publication Critical patent/GB2298341B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • 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
    • H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9500616A 1994-08-13 1995-02-24 Code division multiple access cellular mobile radio systems Revoked GB2298341B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9500616A GB2298341B (en) 1994-08-13 1995-02-24 Code division multiple access cellular mobile radio systems
EP19960100135 EP0729240B1 (en) 1995-02-24 1996-01-08 Code division multiple access cellular mobile radio systems
ES96100135T ES2166842T3 (en) 1995-02-24 1996-01-08 MOBILE RADIO MOBILE RADIO SYSTEMS FOR MULTIPLE ACCESS BY CODE DIVISION.
DE1996616112 DE69616112T2 (en) 1995-02-24 1996-01-08 Cellular code multiple access cellular system
FI960826A FI109494B (en) 1995-02-24 1996-02-23 CDMA cellular systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9416400A GB9416400D0 (en) 1994-08-13 1994-08-13 Code division multiple access cellular mobile radio system
GB9500616A GB2298341B (en) 1994-08-13 1995-02-24 Code division multiple access cellular mobile radio systems

Publications (3)

Publication Number Publication Date
GB9500616D0 GB9500616D0 (en) 1995-03-01
GB2298341A GB2298341A (en) 1996-08-28
GB2298341B true GB2298341B (en) 1999-09-01

Family

ID=26305448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9500616A Revoked GB2298341B (en) 1994-08-13 1995-02-24 Code division multiple access cellular mobile radio systems

Country Status (1)

Country Link
GB (1) GB2298341B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09321659A (en) * 1996-05-31 1997-12-12 Fujitsu Ltd Spread spectrum communication system
FR2759515B1 (en) * 1997-02-13 1999-03-19 Alsthom Cge Alcatel CODE DIVISION MULTI-ACCESS SIGNAL TRANSMITTER, BASE STATION OF A CDMA NETWORK AND TERMINAL COMPRISING SUCH A TRANSMITTER
JP3252820B2 (en) 1999-02-24 2002-02-04 日本電気株式会社 Demodulation and modulation circuit and demodulation and modulation method
DE10040447A1 (en) * 2000-08-18 2002-02-28 Siemens Ag Method for channel estimation in a radio system, in particular a mobile radio system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313457A (en) * 1992-04-14 1994-05-17 Trimble Navigation Limited Code position modulation system and method for multiple user satellite communications

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313457A (en) * 1992-04-14 1994-05-17 Trimble Navigation Limited Code position modulation system and method for multiple user satellite communications

Also Published As

Publication number Publication date
GB9500616D0 (en) 1995-03-01
GB2298341A (en) 1996-08-28

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977