[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

JPS5541031A - Mobile communication system - Google Patents

Mobile communication system

Info

Publication number
JPS5541031A
JPS5541031A JP11404978A JP11404978A JPS5541031A JP S5541031 A JPS5541031 A JP S5541031A JP 11404978 A JP11404978 A JP 11404978A JP 11404978 A JP11404978 A JP 11404978A JP S5541031 A JPS5541031 A JP S5541031A
Authority
JP
Japan
Prior art keywords
line
mobile station
designation signal
transmitter
communication system
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
JP11404978A
Other languages
Japanese (ja)
Other versions
JPS6161300B2 (en
Inventor
Teruaki Kasugai
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11404978A priority Critical patent/JPS5541031A/en
Publication of JPS5541031A publication Critical patent/JPS5541031A/en
Publication of JPS6161300B2 publication Critical patent/JPS6161300B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables

Landscapes

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

Abstract

PURPOSE:To select the line automatically at the mobile station, by providing the transmitter of line designation signal delivery at the crossing point, in the communication system providing the mobile station moved along the first and second lines placed in crossing. CONSTITUTION:The mobile communication system consists of the leakage coaxial cables 15 to 18 forming the lines 10 and 11 respectively and the automatic selector 20 to automatically select the channel to the cross point CP. The unit 20 has the coupler 25 between the base station radio unit 21 of channel CH1 assigned to the line 10 and the CH1 designation signal transmitter 22, and the coupler 27 between the base radio unit 23 of CH2 assigned to the line 11 and the CH2 designation signal transmitter 24, and they are coupled to the lines 10 and 11 respectively via the couplers 26 and 28. The transmitters 22 and 24 performs frequency modulation for the carrier frequency of CH2 and CH1 with the CH designation signal and performs low level transmission from the radio units 21 and 22. When the mobile station moves from the line 11 to the line 10, FM receiver selects the mobile station to CH1 when the reception level from the transmitter 22 is greater than that from the radio unit 23.
JP11404978A 1978-09-19 1978-09-19 Mobile communication system Granted JPS5541031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11404978A JPS5541031A (en) 1978-09-19 1978-09-19 Mobile communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11404978A JPS5541031A (en) 1978-09-19 1978-09-19 Mobile communication system

Publications (2)

Publication Number Publication Date
JPS5541031A true JPS5541031A (en) 1980-03-22
JPS6161300B2 JPS6161300B2 (en) 1986-12-25

Family

ID=14627746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11404978A Granted JPS5541031A (en) 1978-09-19 1978-09-19 Mobile communication system

Country Status (1)

Country Link
JP (1) JPS5541031A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845534A (en) * 1981-01-30 1989-07-04 Fujitsu Limited Field effect semiconductor device
US4983984A (en) * 1986-11-27 1991-01-08 Sumitomo Electric Industries, Ltd. Roadside beacon system with polarized beams

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845534A (en) * 1981-01-30 1989-07-04 Fujitsu Limited Field effect semiconductor device
US4983984A (en) * 1986-11-27 1991-01-08 Sumitomo Electric Industries, Ltd. Roadside beacon system with polarized beams

Also Published As

Publication number Publication date
JPS6161300B2 (en) 1986-12-25

Similar Documents

Publication Publication Date Title
ES431122A1 (en) Radio telephone system
ES8503181A1 (en) Cellular mobile radio service telephone system.
DE3278260D1 (en) Broadcasting method for a mobile radio network
JPS56126339A (en) Mobile communication system
GB1519328A (en) Diversity system
ES398215A1 (en) Limited range radiocommunication system
MY105932A (en) Method of reducing the risk for poor reception in a time multiplexed radio communication system.
DE3061739D1 (en) Radio network
JPS5541031A (en) Mobile communication system
JPS5665538A (en) Control signal relay system for mobile communication
JPS5627540A (en) Single-frequency special radio communication system
DE59605009D1 (en) TRANSMITTING DEVICES FOR TRANSMITTING RADIO SIGNALS OF A SPECIFIC SENDING FREQUENCY IN ACCORDANCE WITH A PRESET TRANSMISSION TIME PROTOCOL
JPS5541032A (en) Mobile communication system
JPS57106246A (en) Radio communication system
JPS57106245A (en) Radio communication system
JPS5773539A (en) Mobile radio communication system
ES8104689A1 (en) Wireless communication system.
JPS5658339A (en) Measuring system of reception electric field level in mobile communication
JPS5685942A (en) Mobile radio communication system
JPS56156032A (en) Mobile communication system
JPS57192146A (en) Radio zone switching system
JPS5541027A (en) Communication unit of radio channel selection type
JPH0336357B2 (en)
JPS5783938A (en) Diversity system by leakage coaxial cable
FR2345863A1 (en) Radioelectrical signal coupler for bidirectional communication - has slotted coaxial cables connected to fixed and mobile stations