Performance analysis of WMN-GA simulation system for different WMN architectures considering OLSR
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Wireless Mesh Networks (WMNs) are attracting a lot of attention from wireless network researchers. Node placement problems have been investigated for a long time in the optimization field due to numerous applications in location science. In our previous work, we evaluated WMN-GA system which is based on Genetic Algorithms (GAs) to find an optimal location assignment for mesh routers. In this paper, we evaluate the performance of two different distributions of mesh clients for two WMN architectures considering throughput, delay and energy metrics. For simulations, we used ns-3 and Optimized Link State Routing (OLSR). We compare the performance for normal and uniform distributions of mesh clients by sending multiple Constant Bit Rate (CBR) flows in the network. The simulation results show that for both distributions, the throughput of Hybrid WMN is higher than I/B WMN architecture. The delay of Hybrid WMN is a lower compared with I/B WMN. The delay for Hybrid WMN is almost the same for both distributions. However for I/B WMN, the delay is lower for Uniform distribution. For Normal distribution, the energy decreases sharply, because of the high density of nodes. For Uniform distribution, the remaining energy is higher compared with Normal distribution.
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CitationBarolli, A., Oda, T., Barolli, L., Xhafa, F., Loia, V., Uchida, K. Performance analysis of WMN-GA simulation system for different WMN architectures considering OLSR. A: IEEE International Conference on Advanced Information Networking and Applications. "IEEE 29th International Conference on Advanced Information Networking and Applications, Gwangju, South Korea, March 25-27, 2015: proceedings". Gwangju: 2015, p. 207-214.