Method of detecting a paging channel in a multi-frequency radio

Details Method of detecting a paging channel in a multi-frequency radio Method of detecting a paging channel in a multi-frequency radio

1995-01-17

1996-10-15

Horabik, Michael

Communications: electrical

Land vehicle alarms or indicators

Electromagnetically actuated mechanical signal

34082544, 379 60, 455 332, G02B 522, H04Q 700

Patent

active

055658598

ABSTRACT:
In order to detect a paging channel assigned to a pager in a shorter time in a frequency divided pager network system, a plurality of paging channels given priorities in channel searching are separately assigned to the paging areas in a manner wherein reuse in adjacent paging areas is avoided. A frequency subset number and frequency subset indicators related thereto, are stored in a memory in a pager. Subsequently, paging channels available in the system are allocated to the frequency subset indicators. Further, a relationship between the frequency subset indicators and the corresponding paging channels is arranged in the form of a table and then stored in the pager. Then, the paging channels are assigned to the paging areas according to the relationship. The above mentioned paging channels given priorities in channel detection are monitored so as to detect which priority channel is transmitted to the pager. In the event that the pager detects one of the priority paging channels, the pager is tuned to other paging channels according to the relationship.

REFERENCES:
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patent: 4747101 (1988-05-01), Akaiwa et al.
patent: 5058201 (1991-10-01), Ishii
patent: 5067147 (1991-11-01), Lee
patent: 5078905 (1992-02-01), Kuramatsu et al.
patent: 5254986 (1993-10-01), De Luca
Reports of the CCIR, 1990, Annex 1 to Volumn VIII pp. 12-18.
European Radio Message System (ERMES), pr ETS 300 133-4 Jan. 1991.

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