The study ofthe physical layernetwork standardsIEEE802.11, 802.15, 802.16, BluetoothandHIPERLAN, UMTSandGPS.Specificsof the second layer. Adhocnetworksand specificity.Adhocmobilenetworks. Sensor networks. MAClayer foradhocnetworks. Routing inadhocnetworks.Savingenergy inadhocnetworks.The capacityof adhocnetworks, the quality of traffic inadhocnetworks.