Browsing Issue 05 by Title

Now showing items 7-9 of 9

Simple Analysis of BER Performance for BPSK and MQAM Over Fading Channel

AL-Khafaji, Huda A.; AlSabbagh, Haider M. (2017-09-01)

In communication systems during convey messages through wireless channels many factors may effect quality of the messages. Multipath fading, interference and signals phase shift playing crucial roles in deterioration ...
Steganography Algorithm within 2-LSBs with IndicatorsBased Randomness

Barhoom, Tawfiq; Saqer, Wesam (2017-09-01)

Steganography is the field of science which is concerned with covert communications by hiding secret information within an innocent-looking medium, and sending the medium as a carrier over the communication channel. One ...
A Survey of Adaptation and the Best Approach for Ubiquitous Systems

Almutairi, Abdulgader; Alharbi, Mafawez (2017-09-01)

Adaptation is defined as the process of changing to suit different conditions in the environment. In other words, adaptation is a change in the structure, function or behaviour of the system in order to meet the current ...

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