Throughput Improvement of IEEE802.11DCF with Adaptive RTS/CTS Control on the Basis of Existence of Hidden Terminals

IEEE802.11 RTS/CTS handshake to avoid a packet collision with the transmissions from hidden terminals. Although RTS/CTS handshake effectively reduces packet collisions with hidden terminals, it also increases transmission overhead of IEEE802.11. In this paper, we discuss transmission overhead of IEEE802.11 induced by RTS/CTS handshake, and propose a new adaptive RTS/CTS control method on the basis of existence of hidden terminals, for mitigating transmission overhead ofIEEE802.11. Results from computer simulations confirm that our proposed method improve throughput performance in around the saturated traffic environment.