改进的退避算法在智能家居控制系统中的应用  

Application of Improved Backoff Algorithm in Intelligent Home Control System

作　　者：吴房胜[1] 徐金秀 施冬冬 陈业慧[2] WU Fang-sheng;XU Jin-xiu;SHI Dong-dong;CHEN Ye-hui(Institute of Information Engineering,Anhui Business Vocational College,Hefei 231131,China;College of Electronics and Communication Engineering,Anhui University of Xinhua,Hefei 230088,China)

机构地区：[1]安徽工商职业学院信息工程学院,安徽合肥231131 [2]安徽新华学院电子通信工程学院

出　　处：《通化师范学院学报》2020年第4期1-4,9,共5页Journal of Tonghua Normal University

基　　金：安徽省高校自然科学研究重点项目(KJ2019A1166);安徽省省级质量工程项目(2018sjjd114,2016ckjh032);安徽省级重大教学研究项目(2016jyxm0122);安徽工商职业学院校级重点教研项目(2018xjjyZD02);全国高等职业教育创新发展行动计划精品在线开放课程—单片机技术及应用(XM-06-02).

摘　　要：采用CC2530主控芯片,实现对家居的红外报警、温湿度监测、烟雾及火焰监测、可燃气体监测、远程视频监控及远程开门等,针对ZigBee技术无线传输多路数据时,可能会产生数据包冲突及信道堵塞现象,提出一种改进的退避算法,可减少碰撞,降低数据包出现冲突的概率,提高信道的利用率和网络吞吐量,降低整个网络功耗.具有数据采集稳、无线传输速度快等优点,方便用户实时查看数据及安全情况.CC2530 main control chip was used to realize infrared alarm,temperature and humidity monitor?ing,smoke and flame monitoring,flammable gas monitoring,remote video monitoring and door opening for home.When wireless transmission of multi-channel data for zigbee technology,packet collision may occur.And channel congestion phenomenon,an improved backoff algorithm,which can reduce collisions,reduce the probability of packet collision,improve channel utilization and network throughput,and reduce the over?all network power consumption is proposed.Realize the advantages of stable data collection and fast wireless transmission,which is convenient for users to view data and security in real time.

关 键 词：ZIGBEE技术 退避算法 CC2530 智能家居 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]