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This a framework to test new ideas in transmission technology. Actual development is a LDPC-coder in

block_complex
-------------

This module gives a general 2x2 MIMO block with definable
channel-matrix h and noise-variance sigma.
 Additionally to the size, a precision in bits can be given,
too. This precision is used to cut off the transmitted signal,
which simulates a perfect channel, but with some error due to the
A/D converters.

Inputs:
	SYMBOL_COMPLEX[2]

outputs:
	SYMBOL_COMPLEX[2]

Config:
	double h[2][2]<complex>: identity
		The channel matrix

	double sigma[2]<complex>: 100 + 100j
		The variance of the gaussian noise at the receiver

	precision<int>: 12
		The precision of the A/D converter

	size<int>: 2560
		The number of symbols of the block