The effects of various access methods of IEEE 802.11b are investigated in detail and the related mechanisms are discussed, especially, the basic access method and the RTS/CTS method are compared with in theory and with OPNET.

• 详细研究了IEEE 802.；11b的访问控制方式；对DCF的基本访问方式和RTS/CTS访问方式进行了比较；通过理论分析和仿真实验验证体现了在实际网络中RTS/CTS方式的优越性。