Enhanced MPR Selection Algorithm Based on Metrics for the OLSR Routing Protocol

Abstract

optimized Link State Routing (OLSR) is a proactive routing protocol designed for Mobile Ad hoc Networks (MANETs), employing the multi-point relay (MPR) concept to reduce transmitted packets during the flooding process. However, the standard OLSR faces suboptimal MPR node selection issues, primarily relying on simple algorithms. As MANETs grow in size and dynamism, the simplistic MPR selection algorithm can significantly impact the quality of service of the OLSR protocol. In this paper, we propose pertinent ideas based on a combination of metrics to enhance the selection of optimal MPRs by prioritizing more stable nodes in terms of mobility and energy. This approach aims to improve overall network performance. Additionally, we incorporate a mobility metric into the standard algorithm of MPRs selection, giving birth to a new protocol named M-OLSR. Simulations showed that the results obtained by M-OLSR exceed those obtained by standard OLSR and E-OLSRI in terms of, delay, throughput, energy Consumed and number of MPR generated.