Welcome from general chairs

The following topics are dealt with: coding theory; information theory; cognitive multiple access Z-interference channel; synthetic aperture radar imagery; smart home automation system; fountain coding; multicell MIMO system; MAC wiretap channel; STBC codes; cognitive radio; aeronautical telemetry; AWGN channels; acoustic sensor network; optical OFDM system; hybrid ARQ scheme; multiuser FSO system; multiantenna receiver; neural network associative memories; digital signal processing; and relay assisted communication.