摘要
考虑到在无线移动自组织网络中采用智能天线或定向天线能够有效增加网络容量与网络安全性,减小能量消耗,针对采用定向天线进行数据收发的无线移动自组织网提出了一种非辅助的邻居发现算法。该算法能够独立地发现那些只有通过定向收发才能到达的邻结点,且不需依赖时间同步或者结点位置等信息。该算法利用结点定向发全向收与定向收定向发时的射程之间的关系,通过容易发现的定向发全向收范围内的邻结点去发现定向收定向发范围内的邻结点。该算法将邻居发现与路由机制结合起来,减小了进行邻居发现所带来的开销和能耗。最后通过仿真验证了所提算法的有效性。
Considering that in mobile ad hoc networks, smart antennas or directional antennas can be utilized to improve the networks＇ capacity and security and achieve the energy consumption reduction, this paper presents an unaided directional neighbor discovery （UDND） algorithm for the mobile ad hoc networks with the directional antennas be ing used for data transmission and reception. With the UDND algorithm, the neighbors that can be reached only when both the transmission and reception are directional can be discovered independently without the requirement of synchronization or position information of the networks. Based on the relation of the communication range of the di rectional transmission and omnidirectional reception （DTOR） mode to that of the directional transmission and re ception （DTR） mode, the new algorithm can discover neighbors of the directional transmission and reception （DTR） mode by using the DTOR mode neighbors that can be discovered very easily. It integrates directional neigh bor discovery with routing, thus reducing the overhead and energy consumption. The proposed algorithm is verified through simulations.
出处
《高技术通讯》
CAS
CSCD
北大核心
2013年第7期701-706,共6页
Chinese High Technology Letters
基金
国家自然科学基金(51249005)
国家重大科技专项(2008ZX050206-001-06)
高等学校博士学科点专项科研基金(20106102120013)
西北工业大学基础研究基金(NPU-FFR-JCY20130107)资助项目
关键词
邻居
发现
移动
自组织
网络
neighbor, discovery, mobile, ad hoc, network
