IET Communications covers the theory and practice of systems, networks and applications involving line, mobile radio, satellite and optical technologies for telecommunications, and Internet and multimedia communications. Topics include, but are not limited to: Applications of signal processing, equalisation, coding, error detection and error correction; Videotelephony, videoconferencing and multimedia communications; Communications layers, Internet Protocols, Internet telephony and VoIP; Fading channel, mobile systems, services and applications; Indoor communications and WLAN; superhighways, Interworking and broadband VPN.