Hello, I want to transmit a continuous stream of data and obtain its synchronized version (before decoding) at the receiver using gnuradio companion. Following the generic_mod_demod.py, I have designed the transmit and receive path in the following way
Tx: GLFSR source (producing +1 & -1) --> RRC filter --> USRP Sink Rx: USRP Source --> AGC2 --> FLL Band Edge --> Polyphase Clock Sync. I want to insert the *Constellation Receiver* block at the end of the Polyphase Clock Sync. I have two questions on this: 1. The Constellation Receiver block asks for "constellation object" and it accepts raw data type. What should I put here? I tried using the options 2 and bpsk but they did not work. 2. The Constellation_Receiver_cb accepts baseband complex streams and returns byte level data. Will it output the decoded data? I want the complex data, that has gone through the costas and M&M recovery block, but has not been decoded yet. How can I obtain that? Any suggestion will be appreciated. Thanks, Nazmul -- Muhammad Nazmul Islam Graduate Student Electrical & Computer Engineering Wireless Information & Networking Laboratory Rutgers, USA.
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