Reliably updating an information service message

Details Reliably updating an information service message Reliably updating an information service message

1997-06-30

2000-01-18

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

455 381, 455 382, 34082527, G08B 522

Patent

active

060161078

ABSTRACT:
A selective call device (130) has a receiver (204) for receiving a selective call signal including an address (312). An address correlator (214) coupled to a decoder (212) determines that the selective call signal is directed thereto and determines whether the selective call signal includes an update command (400, 500). The update command includes a major version number (406, 506), topic numbers associated with sub-message(s) stored in the selective call device, update data associated with each topic number for updating the sub-messages, and minor version numbers (427, 527) associated with each topic number. The major version number is incremented when a sub-message template is changed. Minor version numbers are incremented after each update. The selective call device updates a sub-message with update data only if the update command includes a current major version number and an incremented minor version number.

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