发明名称 |
Communication system message authentication |
摘要 |
Authentication of system status OSWs in a trunked communication system is provided by first verifying (411) that a received system ID (313) matches a pre-programmed system ID. A system status OSW must then be matched twice before the information in the system status OSW is programmed into a communication unit (115), thus limiting the possibility of false decoding of system status OSWs.
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申请公布号 |
US5239680(A) |
申请公布日期 |
1993.08.24 |
申请号 |
US19910675383 |
申请日期 |
1991.03.26 |
申请人 |
MOTOROLA, INC. |
发明人 |
GRUBE, GARY W.;SASUTA, MICHAEL D. |
分类号 |
H04W84/08 |
主分类号 |
H04W84/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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