Efficient Compressed Sensing Reconstruction Algorithm for Nonnegative Vectors in Wireless Data Transmission

Algorithm 1

OMP algorithm.

	Input: A, y, and the error threshold ε. Initialize: , , and .
	Repeat:
(1)	Find the column index by
	where is the i-th column of A and is the inner product of the two vectors
(2)	Set
(3)	Update by
(4)	Update r by
	until
	Output