A new mechanism for MPR selection in mobile ad hoc and sensor wireless networks

In mobile and sensor wireless networks, liaising between wireless nodes is performed using routing protocols. Each protocol has its advantages and drawbacks. OLSR is one of the most widely used protocols, due its proactive scheme. It is based on the principle of Multi Point Relay (MPR) which essentially consists in building a “relevant” set of links and direct neighbors by ignoring redundancies in order to have optimal paths. This relevance is demonstrated by criteria that allow the entire neighborhood of a node to be reached by two hops (all neighbors of neighbors). However, these criteria do not take into consideration other important factors that have a strong influence on the protocol’s behavior such as the residual energy, which may lead to degrading the overall network lifetime. In this paper, we present a new method to overcome this problem, allowing mobile nodes within ad hoc and sensor wireless â€¦