Abstract—This study focused on improving the performance of Voice over Internet Protocol (VoIP) over Wireless Mesh Networks (WMN) in an 802.11ac scenario simultaneously using packet compression and packet aggregation. The study employed design science research methodology and developed an algorithm that aims to increase the number of concurrent calls while reducing the impact of jitter, delay, and packet drop. The study is the first of its kind to come up with a combined packet compression and packet aggregation technique for Voice over Internet Protocol Wireless Mesh Networks (VoWMN) in an 802.11ac setting. During simulation tests carried out using ns-3, the algorithm outperformed existing schemes in terms of average delay, jitter, packet loss, and network throughput. The algorithm performed better by 1.4% over compressed packets and by 27.22% over plain VoIP packets in terms of packet loss, and obtained the highest network throughput of 0.16Mbps which was 56.25% more than compressed packets which had the next best throughput. These findings suggest that the proposed algorithm can significantly enhance the performance of VoIP over WMN in an 802.11ac scenario. However, this study did not cover aspects related to security implications when utilizing both aggregation and compression at the same time in VoIP over WMNs. Additionally, it only focused on the 802.11ac scenario. Further research could explore the effectiveness of the proposed algorithm in other scenarios and protocols, and identify the optimal settings for the algorithm. Additional research could explore the use of other techniques, such as error correction and QoS mechanisms, to improve the performance of VoIP over WMN.
 
Keywords—Voice over Internet Protocol (VoIP), Voice over Internet Protocol Wireless Mesh Networks (VoWMN), packet aggregation, packet compression


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