JPS52149401A - Diversity system in mobile communication - Google Patents

Diversity system in mobile communication

Info

Publication number
JPS52149401A
JPS52149401A JP6629976A JP6629976A JPS52149401A JP S52149401 A JPS52149401 A JP S52149401A JP 6629976 A JP6629976 A JP 6629976A JP 6629976 A JP6629976 A JP 6629976A JP S52149401 A JPS52149401 A JP S52149401A
Authority
JP
Japan
Prior art keywords
mobile communication
diversity system
modulating
enable
transmission
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.)
Granted
Application number
JP6629976A
Other languages
Japanese (ja)
Other versions
JPS561811B2 (en
Inventor
Fumiyuki Adachi
Kenkichi Hiraide
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6629976A priority Critical patent/JPS52149401A/en
Publication of JPS52149401A publication Critical patent/JPS52149401A/en
Publication of JPS561811B2 publication Critical patent/JPS561811B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/084—Equal gain combining, only phase adjustments

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

PURPOSE:To enable the system having less frequency variation with a simple unit, by modulating the transmission or reception wave with the same period signal having mutually suitable phase difference.
JP6629976A 1976-06-07 1976-06-07 Diversity system in mobile communication Granted JPS52149401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6629976A JPS52149401A (en) 1976-06-07 1976-06-07 Diversity system in mobile communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6629976A JPS52149401A (en) 1976-06-07 1976-06-07 Diversity system in mobile communication

Publications (2)

Publication Number Publication Date
JPS52149401A true JPS52149401A (en) 1977-12-12
JPS561811B2 JPS561811B2 (en) 1981-01-16

Family

ID=13311786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6629976A Granted JPS52149401A (en) 1976-06-07 1976-06-07 Diversity system in mobile communication

Country Status (1)

Country Link
JP (1) JPS52149401A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165507U (en) * 1981-01-30 1982-10-19
JPS5880570A (en) * 1981-11-09 1983-05-14 Toshiba Corp Electronic circuit
JPS5881111U (en) * 1981-11-30 1983-06-01 株式会社ボッシュオートモーティブ　システム Automotive air conditioner operation panel

Also Published As

Publication number Publication date
JPS561811B2 (en) 1981-01-16

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