TDMA system network, especially receiving part of a coupler for the access to such a network.

摘要

1. A TDMA System binary communication network, wherein each burst starts with a TDMA preamble followed by a message which is constituted by data packets comprising each a header followed by the information field, each header starting with start delimitation signals (DEL1, DEL2), followed by type information (F), addresse station identity (D), source station identity (S), communication identity (N) and the packet length (L), and supplemented by error protection signals (CRC), each burst having "byte synchronization" bytes (SYN) between the TDMA preamble and the first packet, and, possibly but not systematically, between the following packets, characterized in that the receiver part of a network access coupler has a byte synchronization recognizing circuit (29) and a packet delimitation circuit (33) which the binary signals transmitted from the byte synchronization recognizing circuit (29) are applied to, the output of the circuit (33) being connected to the input of a header correction circuit (36) an output of which is connected to an addresse station (D) identity information recognizing circuit (39), another output thereof being connected to a receiver circuit (38) receiving the packet length information (L) an another output (84) thereof being connected to an operation start control input of the packet delimitation circuit (33), the output (83) of the receiver circuit (38) being also connected to an operation start control input of the packet delimitation circuit (33), the output of the circuit (33) being also connected to the input of a memory (37) whose reset input is connected from the output of the recognizing circuit (39).