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Performance analysis of WMN-GA simulation system for different WMN architectures considering OLSR
Barolli, Admir; Oda, Tetsuya; Barolli, Leonard; Xhafa Xhafa, Fatos; Loia, Vincenzo; Uchida, Kazunori
Universitat Politècnica de Catalunya. Departament de Ciències de la Computació
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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.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors::Xarxes de banda ampla
Broadband communication systems
Wireless communication systems
Computer algorithms
Computer network protocols
GA
OLSR
Wireless Mesh Networks
mesh router node placement
Comunicació sense fil, Sistemes de
Telecomunicació de banda ampla, Sistemes de
Algorismes genètics
Protocols de xarxes d'ordinadors
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