一种基于地理信息的自组网MAC协议  

A MAC Protocol for Ad Hoc Networks Based on Geographic Information

作　　者：江有福[1] 郑庆华[2] 

机构地区：[1]浙江海洋学院数理信息学院,浙江舟山316000 [2]西安交通大学计算机科学系,陕西西安710049

出　　处：《计算机工程与科学》2008年第7期21-23,64,共4页Computer Engineering & Science

基　　金：国家自然科学基金资助项目(60473136)

摘　　要：本文在现有多信道MAC协议的基础上将地理位置信息引入MAC层,提出一种新的GM-MAC协议。该协议以节点间距离作为分配信道的优先级,为近距离传输时的QoS提供更好的保障。本文给出了协议的格式,阐述了协议的操作步骤并对吞吐量做了分析。仿真结果表明,时延、吞吐量等方面有更好的性能。This paper presents a new protocol called GM-MAC that introduces geographic information into MAC based on multiple channels. It agrees the shortest distance between two nodes has a better priority and provides better QoS. The format is defined in this paper, the operational steps of the protocol is explored,and the throughput is analyzed. The simulation results show that it can decrease the average end-to-end delay and improve the throughout.

关 键 词：白组网 地理位置 多信道 时分多址 媒体接入控制协议 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]