蜂群自组网双信道频率分集多址接入协议  

A dual-channel frequency diversity medium access control protocol for swarm ad hoc networks

作　　者：张玉鹏 陈仕进[1] 李北国 ZHANG Yu-peng;CHEN Shi-jin;LI Bei-guo(The 54th Research Institute of CETC,Shijiazhuang Hebei 050081,China;Beijing Aerospace Long March Research Institute,Beijing 100076,China)

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081 [2]北京航天长征飞行器研究所,北京100076

出　　处：《河北省科学院学报》2020年第1期30-35,共6页Journal of The Hebei Academy of Sciences

摘　　要：提出了一种适于大规模蜂群自组网的双信道频率分集媒质接入控制(DCFD-MAC)协议。信道预约与数据分组传输分别在控制信道(CCH)与业务信道(DCH)进行,避免信道预约与数据传输碰撞,提高信道接入效率。同时,在信道预约过程中完成频道占用信息交互,网络节点自适应选择数据传输频道,实现数据频率分集并发传输,解决了网络隐藏终端与暴露终端问题,提升网络性能。最后,对该协议性能进行了仿真。仿真结果表明,该协议与传统MAC协议相比多址性能明显改善。A novel dual-channel frequency diversity medium access control(DCFD-MAC)protocol is proposed for large-scale swarm ad hoc networks.Channel reservation and data packet transmissions can be simultaneously carried out on control channel(CCH)and data channel(DCH)without packet collisions,which improves channel access efficiency.At the same time,channel occupancy information is transferred in channel reservation process,and network nodes select data transmission channels adaptively,realizing frequency diversity and concurrent transmission.Hidden terminal and exposed terminal problems are also resolved to greatly improve network performance.Finally,the performance of the MAC protocol is simulated.The simulation result show that,compared to traditional MAC protocols,the DCFD-MAC protocol obviously improve the network performance.

关 键 词：蜂群自组织网络 媒质接入控制 频率分集 隐藏终端与暴露终端 

分 类 号：TP915[自动化与计算机技术]