| ARQ one-to-one communication and token ring communication were implemented, respectively, with packet radio communication and eight terminals.2 call channels for the ARQ system, 2,400 bps for call channelConditions: File size: 4 kB per file; frequency: 2,450 Hz; transmission rate: 2,400 bps for call channel and 38 kbps for main channel; MSK, FEC(+)Call volume: With 0.125 second channel occupancy time for one second per station, the communication volume for eight stations is 1 [Erlang]. |