合肥工业大学学报(自然科学版)
閤肥工業大學學報(自然科學版)
합비공업대학학보(자연과학판)
JOURNAL OF HEFEI UNIVERSITY OF TECHNOLOGY(NATURAL SCIENCE)
2010年
3期
376-378
,共3页
Ad Hoc网络%MAC协议%区分服务%退避方法%QoS保障
Ad Hoc網絡%MAC協議%區分服務%退避方法%QoS保障
Ad Hoc망락%MAC협의%구분복무%퇴피방법%QoS보장
Ad Hoc network%MAC protocol%DiffServ%backoff method%QoS guarantee
文章分析了现有的Ad Hoc网络MAC层的QoS保障机制,针对目前基于区分服务的方法,把802.11e的EDCF机制和改进的退避方法结合起来,并通过利用双信道解决QoS保障问题.仿真结果表明,该方案能有效提高网络吞吐量和实时业务的服务质量.
文章分析瞭現有的Ad Hoc網絡MAC層的QoS保障機製,針對目前基于區分服務的方法,把802.11e的EDCF機製和改進的退避方法結閤起來,併通過利用雙信道解決QoS保障問題.倣真結果錶明,該方案能有效提高網絡吞吐量和實時業務的服務質量.
문장분석료현유적Ad Hoc망락MAC층적QoS보장궤제,침대목전기우구분복무적방법,파802.11e적EDCF궤제화개진적퇴피방법결합기래,병통과이용쌍신도해결QoS보장문제.방진결과표명,해방안능유효제고망락탄토량화실시업무적복무질량.
This paper analyzes the existing QoS guarantee system at MAC layer in Ad Hoc network. Based on the technique of DiffServ, integrated the EDCF mechanism of 802.11e with the improved backoff method, the dual-channel is used to achieve reliable QoS guarantee. The result of simulation proves that the scheme can improve the throughput of network and the quality of service for the real-time traffic.