Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1995-09-27
1998-06-16
Gregory, Bermarr E.
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 2, 380 9, 380 49, 370252, H04L 908
Patent
active
057683808
ABSTRACT:
In a wireless communication system (100), a communication unit parameter is sent to a plurality of communication units (105-108) during a first period of time using either a group update method or an individual update method (401). A first set of communication units that did not receive the communication unit parameter is determined (402) and, during a second period of time, the communication unit parameter is sent to the first set of communication units using only the individual update method (403). During the second period of time, the communication unit parameter is sent based on primary and/or secondary regions of operation for each communication unit and also upon detection of update opportunities. This process can be repeated for any number of communication unit parameters (404). Using this method, updates of communication unit parameters have a high likelihood of being successfully and efficiently performed.
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patent: 5301232 (1994-04-01), Mulford
patent: 5325432 (1994-06-01), Gardeck et al.
patent: 5442703 (1995-08-01), Kim et al.
patent: 5471461 (1995-11-01), Engdahl et al.
patent: 5646606 (1997-07-01), Wilson et al.
Arnone Paul A.
Forman Patrick F.
Rosauer Matthew M.
Gregory Bermarr E.
Moreno Christopher P.
Motorola Inc.
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