Random Access Mechanism Enhancement Based on a Hybrid ALOHA Protocol Using an Analytical Model

In this paper, we present a new MAC (Medium Access Control) protocol, called Hybrid ALOHA (H-ALOHA), which is combination of two existing protocols: Pure (P-ALOHA) protocol and Slotted (S-ALOHA) protocol. The idea behind it to design that could meet some specific requirements in wireless networks, such as reducing energy consumption, delay minimization, increasing the throughput. To best our knowledge, S-ALOHA an improved version P-ALOHA. However, during one single transmission scenario, P-ALOHA works better than terms consumption packet delivery. Motivated by fact, combine these protocols, resulting hybrid ALOHA. A finite-state Markovian model proposed study steady-state performance H-ALOHA including normalized throughput, backlogged access delay, consumption. has been compared with simulation results show outperforms all protocols. On average, 60% 15% 23% total consumed process.