Telecommunications – Transmitter and receiver at separate stations
Patent
1998-07-21
2000-04-25
Bost, Dwayne D.
Telecommunications
Transmitter and receiver at separate stations
455 312, 455426, 34082544, H04Q 714
Patent
active
060554134
ABSTRACT:
An updateable message encoder/transmitter (100) has a processor (109) for encoding messages and message updates. A message includes an origination time (191), a version number (410) and an update lifetime indicator (424), and a message update includes the origination time (191) and the version number. A transmitter (120) broadcasts the message and the message update message receiver/decoder (130) receives the message and the message update, a processor (212) processes the message to determine when the message update is being received. The processor checks the update lifetime indicator of the message indicated by the message update to determine if the message to which the message update is intended can be updated. A comparator compares the origination time of the message with the origination time of the message update to determine if the message update is an out-of-sequence message update.
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Greene Kenneth
Kampe Frederick Loring
Morse Gary James
Nelms Robert Nathan
Ohel Hagai
Bost Dwayne D.
Chanroo Keith A.
Maung Nay
Motorola Inc.
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