文章分析了WiMAX系统中省电模式的特点和发展趋势，具体介绍了IEEE 802.16e中的睡眠和空闲模式，并对其工作原理和MAC流程进行了详细研究-The article analyzes the characteristics and development trend of the power saving mode in the WiMAX system, which are detailed in the IEEE 802.16e sleep and idle mode, and its