DIRECT SUBSCRIBER TO SUBSCRIBER RADIO OTAR, WITHOUT A BASE STATION OR KEY MANAGEMENT FACILITY
Original Publication Date: 1998-Mar-01
Included in the Prior Art Database: 2002-Jun-28
To rekey a mobile radio requires either physical contact with a key loader device or over the air rekeying (OTAR), one way being the APCO-25 OTAR protocol. Currently the APCO-25 OTAR requires a key management facility and base station.