Paging receiver which performs data communication protocol analy

Details Paging receiver which performs data communication protocol analy Paging receiver which performs data communication protocol analy

1996-12-27

1999-11-09

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

714782, G08B 522, H03M 1300

Patent

active

059822945

ABSTRACT:
In a paging receive for use in a radio paging system which employs a sophisticated data communication protocol, all protocol analysis operations such as de-interleaving and error correction processing are performed by a CPU which executes a control program, with the analysis being performed only on those received data frames which contain messages addressed to that paging receiver, and with the protocol analysis being performed first for the address field of such a frame, to obtain information specifying the position within a message field of that frame of requisite specific message data which are addressed to the paging receiver, then being performed only for these specific message data, within that message field. The control program is executed as two separate processes, each of which can be interrupted in response to interrupt signals supplied to the CPU and subsequently restarted, with one process performing protocol analysis and the other process performing operations which are requested through function switch actuations, so that such operations requests can be registered while protocol analysis is in progress, enabling rapid response to the requests.

REFERENCES:
patent: 4668949 (1987-05-01), Akahori et al.
patent: 4713808 (1987-12-01), Gaskill et al.
patent: 5237320 (1993-08-01), Sato et al.
patent: 5311516 (1994-05-01), Kuznicki et al.

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