After the derivation of Cramer Rao Bound (CRB) for amplitude estimation in AWGN channel, a decision directed feedback amplitude estimation algorithm for BPSK/QPSK signal is proposed, followed by its performance analysis and simulation.

16 standard,which adopts DFE structure with diversity combination.

According to the model, we analyzed the adaptability of different equalizer structures and pointed out that the decision feedback equalizer(DFE) was suitable to the short-wave channel.

This paper introduced the framework and Iterative Decoding method of the BICM-ID system and studied the Least Mean Square(LMS) and the Recursive Least-Square(RLS) adaptive equalization algorithm,analyzed Liner Equalizer(LE) and Decision Feedback Equalizer(DFE),and designed the system which BICM-ID Studied utilized DFE-RLS equalizer on ISI channel.

Novel nonlinear channel decision feedback adaptive equalizer;

Decision Feedback BP Network Adaptive Equalizer;

MRC-PRC decision feedback filter for impulse radio UWB systems

This paper puts forward an approximate decorrelation decision-feedback receiver for asynchronous dual-rate DS/CDMA System.

In order to eliminate the distortion caused by white noise and intersymbol interference in radio channels during data transmission, the application of a decision-feedback equalizer in this kind of channel is proposed.

A blind equalizer based on fractionally-spaced decision-feedback structure, which efficiently combats the multipath fading effects of underwater acoustic channels, is discussed.

Decision-feedback based least square blind multiuser detection algorithm via antenna arrays;

A new blind adaptive beamforming algorithm based on decision feedback using pre-despreading signals is proposed in this paper.

A new least squares constant modulus beam-forming algorithm based on decision-feedback using pre-despreading signals(D-LSCMAFB) in DS-CDMA system is proposed in this paper.