QAM and Chunks_to_Symbol

Hello,
How can I specify symbol table and dimension for QAM in
chunks_to_symbol
block? which modulation is indicating in fsm_utils.py by orth2 orth4?
Can anybody help me. I am new to this GnuRadio.
ThankYou

With Regards,
Salija.P

For small constellations, you can just specify the points manually.
Here’s an example for 16QAM. Just paste into the “Symbol Table” field in
the block properties. The dimension is 1.

[complex(3,3), complex(3,1), complex(1,3), complex(1,1), complex(3,-3),
complex(3,-1), complex(1,-3), complex(1,-1), complex(-3,3),
complex(-3,1), complex(-1,3), complex(-1,1), complex(-3,-3),
complex(-3,-1), complex(-1,-3), complex(-1,-1)]

Ron

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