VHDL Implementation of MAC Based DS-SS CDMA for Ad-Hoc Network

In this book we describe CDMA Technologies and its problem and implemented a DS SS CDMA-based medium access protocol with transmitter & receiver for ad- hoc networks using VHDL language. In telecommunications direct-sequence spread spectrum (DSSS) is a modulation technique like other spread spectrum technologies; transmitted signal takes up additional bandwidth than the data signal which modulates the carrier frequency. DS-CDMA is beneficial for Ad hoc network because it eliminates the requirement for any frequency or time-slot coordination. The main issue in DS-CDMA (Ad hoc network) is the hindrance of a near-far problem. There are two solutions available for reducing this near far effect first is Power control and second is Medium access problem. In this book we focus on medium access problem for this we design multiple access interference (MAI) at the protocol level. in this book we describe “VHDL implementation” for MAC Based DSSS CDMA design which consist transmitter & receiver with MAC protocol of a Ad-hoc network & describe Its Advantages.