The concept of the effective multi-channel CSMA/CA detector

Abstract

The increasing demand for Internet Protocol (IP) wireless networks with increased capacity forced work on multi-channel radio devices. Along with an increasing number of wireless devices working simultaneously on similar frequencies, there is a problem with detecting the signals generated by wireless devices belonging to one system. To this end, dealt with the analysis of the available methods for the correct sensing of signals, which belong to one mobile radio system, using one of the currently most popular multi-channel modulation— OFDM (Orthogonal Frequency-Division Multiplexing). Paper describes preliminary analysis and implementation of effective multi-channel detector (EMCD), which purpose was to detect the signals coming from the nodes be-longing to one radio network. Future model will be built in Matlab environment, allowing for very accurate simulation of even very intricate problems.