【正文】 ...................... 4 zigbee 網(wǎng)絡(luò)系體結(jié)構(gòu)簡(jiǎn)介 ......................................................................................................... 4 論文的研究?jī)?nèi)容 ................................................................................................................................. 5 2 ZigBee 協(xié)議的分析與實(shí)現(xiàn) ............................................................................................ 6 物理層分析與實(shí)現(xiàn) ............................................................................................................................. 6 ZigBee 的工作頻率范圍 ........................................................................................................... 7 物理層數(shù)據(jù)單元結(jié)構(gòu) ................................................................................................................. 7 MAC 層分析與實(shí)現(xiàn) .......................................................................................................................... 7 MAC 層訪問機(jī)制 ....................................................................................................................... 8 MAC 層幀及其結(jié)構(gòu) .................................................................................................................10 MAC 層信道掃描 .....................................................................................................................10 同步機(jī)制 ..................................................................................................................................... 11 網(wǎng)絡(luò)層分析與實(shí)現(xiàn) ........................................................................................................................... 11 網(wǎng)絡(luò)層概況 ................................................................................................................................ 11 網(wǎng)絡(luò)層幀的一般結(jié)構(gòu) ............................................................................................................... 11 網(wǎng)絡(luò)層數(shù)據(jù)幀與命令幀 .......................................................................................................... 11 組建新網(wǎng)絡(luò)及維護(hù) ...................................................................................................................12 ZigBee 網(wǎng)絡(luò)路由選擇 ..............................................................................................................14 數(shù)據(jù)發(fā)送與接收 .......................................................................................................................14 3 ZigBee 硬件的平臺(tái) ......................................................................................................16 MC13213 的特點(diǎn) ..............................................................................................................................16 MC13213 的工作模式 .....................................................................................................................16 MC13213 低功耗模式 .............................................................................................................16 MC13213 活動(dòng)模式 ..................................................................................................................17 MC13213 的 SPI 接口 .....................................................................................................................17 MC13213 數(shù)據(jù)傳輸模式 .................................................................................................................17 MC13213 的時(shí)鐘配置 .....................................................................................................................18 基于 Zigbee 技術(shù)的無線傳感器系統(tǒng)設(shè)計(jì) IV RS232 串行通信接口與 BDM 接口 ............................................................................................18 4 ZigBee 無線網(wǎng)絡(luò)的實(shí)現(xiàn) ....................................................