Hi , I need one block that connect input port 0 to output if there are items on that and if there are no items then connect input port 1 to output , my idea is never stop qam modulator even when there are no packet in input (TUNTAP PDU) , in other word i want fill the time gaps between packets with random bits , in receiver side i will find my packets with correlating access code without problem . I attached an image of grc flow graph that shows what i mean . I don't want implement a bursty transceiver which is quite complicated . I want implement this block with python but i have no idea of how i can start and what type of block i need , i search internet but didn't find useful guide . i just implemented python sync block so far .
Cheers .
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