Telecommunications – Transmitter and receiver at separate stations
Patent
1984-06-21
1986-08-26
Ng, Jin F.
Telecommunications
Transmitter and receiver at separate stations
455 56, 179 2EB, H04Q 704, H04B 700
Patent
active
046087117
ABSTRACT:
In a cellular mobile radio-telephone system, a hand-off procedure is implemented by use of idle voice channel transceiver at relay stations of cells contiguous the site of a mobile station. The receiving portion of each transceiver is provided with tuning circuitry permitting a detuning from a preassigned idle channel frequency to the present broadcast frequency assignment of the mobile station. A set of measurements of broadcast signal is made at the detuned idle channels to determine the cell of best signal. The mobile station is then handed off to the cell of best signal.
REFERENCES:
patent: 4144412 (1979-03-01), Ito et al.
patent: 4475010 (1984-10-01), Huensch et al.
patent: 4481670 (1984-11-01), Freeburg
patent: 4485486 (1984-11-01), Webb et al.
patent: 4556760 (1985-12-01), Goldman
ITT Corporation
Morris Jeffrey P.
Ng Jin F.
O'Halloran John T.
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