Date Added: Feb 2012
In this paper, the issue of broadcasting in Mobile Ad hoc NETworks (MANETs) is considered. A node equipped with directional antenna can divide the Omni directional transmission range into several sectors and turn some of them "On" for transmission. In the proposed scheme using a directional antenna, forwarding nodes selected locally need to transmit broadcast messages, only to the restricted sectors, allowing for increased performance on transmit and receive and interference from unwanted sources. The directional antenna usage is combined with network coding based broadcasting. With the help of network coding each forwarding node combine some of the messages it receives before transmission thereby reducing the number of transmissions each forwarding node performs in the message broadcast application.