Method for transmitting encrypted data, associated...

Details Method for transmitting encrypted data, associated... Method for transmitting encrypted data, associated...

2003-07-21

2009-11-17

Barron, Jr., Gilberto (Department: 2432)

Cryptography

Communication system using cryptography

Wireless communication

C370S336000

Reexamination Certificate

active

07620184

ABSTRACT:
A process for transmitting encrypted data through a radio transmission channel having a frame structure such that a TDMA frame comprises at least time slots of a first type forming a traffic channel and at least one time slot of a second type forming an associated signaling channel, comprises steps according to which:a sequence of encrypted data packets is transmitted in the traffic channel on the basis of a determined time slot of the first type, whereas an associated cryptographic synchronization information cue is transmitted in the associated signaling channel inside a determined time slot of the second type, anda cryptographic synchronization delay information cue relating to the time gap between said determined time slot of the second type and said determined time slot of the first type, is also transmitted in the associated signaling channel.

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patent: 2002/0066013 (2002-05-01), Relander et al.
patent: 0 446 194 (1991-09-01), None
International Search Report of PCT/FR03/02302 issued Jan. 14, 2004.

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