An Improved Data-Driven Decision Feedback Receiver via Deep Unfolding

Algorithm 1

The iterative detection algorithm of improved-DFR.

(1)	Input: The received sampled signal , frame size , iteration times , terminal threshold ,
(2)	Initialization: Transform to and store in Memory I. Initialize as , initialize as ,
(3)	for to do
(4)	Transform to , store in Memory ,
(5)	for to do
(6)	,
(7)	,
(8)	,
(9)	end for
(10)	,
(11)	ifthen
(12)
(13)	end if
(14)	end for
(15)	Output: