AU726839B2 - CDMA mobile communication service method for overcoming RF null area problem and frequency translator thereof - Google Patents

CDMA mobile communication service method for overcoming RF null area problem and frequency translator thereof Download PDF

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Publication number
AU726839B2
AU726839B2 AU21230/99A AU2123099A AU726839B2 AU 726839 B2 AU726839 B2 AU 726839B2 AU 21230/99 A AU21230/99 A AU 21230/99A AU 2123099 A AU2123099 A AU 2123099A AU 726839 B2 AU726839 B2 AU 726839B2
Authority
AU
Australia
Prior art keywords
area
mobile communication
transfer frequency
communication service
frequency
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.)
Ceased
Application number
AU21230/99A
Other languages
English (en)
Other versions
AU2123099A (en
Inventor
Kyeong Soo Lee
Il Young Shin
Hee Nam Son
Hak Seong Yu
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.)
DOWON TELECOM Co Ltd
KTFreetel Co Ltd
Original Assignee
DOWON TELECOM CO Ltd
Korea Telecom Freetel Co 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
Application filed by DOWON TELECOM CO Ltd, Korea Telecom Freetel Co Ltd filed Critical DOWON TELECOM CO Ltd
Publication of AU2123099A publication Critical patent/AU2123099A/en
Application granted granted Critical
Publication of AU726839B2 publication Critical patent/AU726839B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H04B7/15514—Relay station based processing for cell extension or control of coverage area for shadowing compensation
    • 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
    • H04B7/2628—Radio 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]
    • H04B7/2634—Radio 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 channel frequency control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU21230/99A 1998-03-19 1999-03-16 CDMA mobile communication service method for overcoming RF null area problem and frequency translator thereof Ceased AU726839B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019980009492A KR100277337B1 (ko) 1998-03-19 1998-03-19 음영지역해소를위한cdma이동통신서비스제공방법및그를위한주파수변환장치
KR98-9492 1998-03-19

Publications (2)

Publication Number Publication Date
AU2123099A AU2123099A (en) 1999-10-07
AU726839B2 true AU726839B2 (en) 2000-11-23

Family

ID=19535087

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21230/99A Ceased AU726839B2 (en) 1998-03-19 1999-03-16 CDMA mobile communication service method for overcoming RF null area problem and frequency translator thereof

Country Status (2)

Country Link
KR (1) KR100277337B1 (ko)
AU (1) AU726839B2 (ko)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253324A (en) * 1991-01-15 1992-09-02 Orion Industries Effecting hand off in a cellular system having frequency translating booster
US5659879A (en) * 1993-07-30 1997-08-19 Alcatel N.V. Method of covering shadow areas in a cellular mobile radio system and radio booster for implementing this method
WO1999009762A1 (en) * 1997-08-15 1999-02-25 Hewlett-Packard Company Frequency translation to local multi-point distribution systems for personal communications services

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0144208B1 (ko) * 1995-01-10 1998-08-01 이돈신 이동통신 고출력 중계장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253324A (en) * 1991-01-15 1992-09-02 Orion Industries Effecting hand off in a cellular system having frequency translating booster
US5659879A (en) * 1993-07-30 1997-08-19 Alcatel N.V. Method of covering shadow areas in a cellular mobile radio system and radio booster for implementing this method
WO1999009762A1 (en) * 1997-08-15 1999-02-25 Hewlett-Packard Company Frequency translation to local multi-point distribution systems for personal communications services

Also Published As

Publication number Publication date
KR19990046160A (ko) 1999-07-05
KR100277337B1 (ko) 2001-01-15
AU2123099A (en) 1999-10-07

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FGA Letters patent sealed or granted (standard patent)