科技创新导报
科技創新導報
과기창신도보
Science and Technology Innovation Herald
2015年
24期
54-56
,共3页
移动自组织网络%多点中继%链路中断NS2%MPR生存时间
移動自組織網絡%多點中繼%鏈路中斷NS2%MPR生存時間
이동자조직망락%다점중계%련로중단NS2%MPR생존시간
MANET%Multi Point Relay%Link Interruption%NS2%MPR Survival Time
为了降低移动自组织网络(MANET)中移动性对路由性能造成的影响,该文提出基于链路预测的可靠MPR选择算法,通过节点间距离和无线传输范围来预测节点与其相邻节点之间的剩余链路有效时间,并提出将剩余链路有效时间(RTTQ)作为OLSR路由协议选择多点中继(MPR)的新的度量方法。利用NS2进行了大量的网络仿真,结果显示采用RTTQ大于临界值的MPR节点,可以提高多项性能,如MPR生存时间、分组交付率(PDR)和平均吞吐量(ATT)。
為瞭降低移動自組織網絡(MANET)中移動性對路由性能造成的影響,該文提齣基于鏈路預測的可靠MPR選擇算法,通過節點間距離和無線傳輸範圍來預測節點與其相鄰節點之間的剩餘鏈路有效時間,併提齣將剩餘鏈路有效時間(RTTQ)作為OLSR路由協議選擇多點中繼(MPR)的新的度量方法。利用NS2進行瞭大量的網絡倣真,結果顯示採用RTTQ大于臨界值的MPR節點,可以提高多項性能,如MPR生存時間、分組交付率(PDR)和平均吞吐量(ATT)。
위료강저이동자조직망락(MANET)중이동성대로유성능조성적영향,해문제출기우련로예측적가고MPR선택산법,통과절점간거리화무선전수범위래예측절점여기상린절점지간적잉여련로유효시간,병제출장잉여련로유효시간(RTTQ)작위OLSR로유협의선택다점중계(MPR)적신적도량방법。이용NS2진행료대량적망락방진,결과현시채용RTTQ대우림계치적MPR절점,가이제고다항성능,여MPR생존시간、분조교부솔(PDR)화평균탄토량(ATT)。
In order to reduce the effect of the mobility of mobile ad-hoc network(MANET)on routing performance, this paper proposed a reliable MPR selection algorithm based on link prediction. The valid time of remaining chain between this node and adjacent node was predicted by both the distance between nodes and the range of wireless transmission. The paper also proposed a new measuring method on selecting multi-point relay by applying the remaining link effective time(RTTQ)as OLSR routing protocol. A lot of NS2 network simulation were conducted in this paper.The results show that a number of properties,such as MPR survival time, packet delivery ratio (PDR) and average throughput(ATT),can be improved by using the MPR nodes,in which the RTTQ was greater than the critical value.