研究了IEEE 802．11e EDcA机制的原理和无线信道利用模型，阐明了EDCA参数设置对其性能的重要 性。在此基础上，提出了一种简单有效的参数调节策略。仿真结果表明，该参数调节机制在保证实时业务要求的同 时，可以显著提高数据流的吞吐率，优化了EDCA机制的运行性能。-Studied the mechanism of IEEE 802.11e EDcA theory and wireless channel model, clarifying the EDCA parameter s

Example: Distributed Wireless Control System，可用于无线传感器网络中-This example shows distributed control of a DC-servo using communication over a wireless network. The example also shows how to simulate power consumption and how to use the battery block.

ofdm system,a simple system about ofdm with transmiter receive and channel wirele-ofdm system,a simple system about ofdm with transmiter receive and channel wireless