Neighborhood reservation with inband signaling system in Ad Hoc networks

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Neighborhood reservation with inband signaling system in Ad Hoc networks

Received:2006-01-06 Revised:1900-01-01 Online:2006-07-01 Published:2006-07-01

带内信令系统实现Ad Hoc网络的邻居预留

舒炎泰董林芳

天津大学电信学院计算机系

通讯作者: 董林芳

Abstract

Abstract: A crosslayer neighborhood reservation mechanism with inband signaling system (called NRINSIGNIA) for Ad Hoc networks was proposed, considering the impact of channel contention at MAC layer. When a node reserved bandwidth for a QoS flow， corresponding bandwidth reservation would be reserved at all its neighboring nodes simultaneously to eliminate the negative impact on bandwidth reservation caused by channel contention. This crosslayer neighborhood reservation mechanism can provide a certain guarantee for the QoS bandwidth reservation. Compared with the original INSIGNIA without neighborhood reservation， simulation results show that NRINSIGNIA system can significantly improve the reserved packet ratio， packet delivery ratio and endtoend delay of QoS flows.

Key words: Ad Hoc networks, quality of service (QoS, bandwidth reservation, neighborhood reservation

摘要： 提出使用带内信令系统实现跨层的邻居预留机制(NRINSIGNIA)，该机制在进行带宽预留时考虑MAC层的信道竞争。节点为某个QoS流预留一定带宽之后，在所有的邻居节点上同时预留等量的带宽，以此来消除信道竞争对带宽预留产生的不利影响。仿真试验对比了没有邻居预留机制的原始INSIGNIA(Inband signaling system)系统与NRINSIGNIA系统的性能，结果表明NRINSIGNIA系统可以显著提高QoS流的平均预留包比率、投递率，减少端－端延迟。

关键词: Ad Hoc网络, 服务质量(QoS), 带宽预留, 邻居预留

. Neighborhood reservation with inband signaling system in Ad Hoc networks[J]. Journal of Computer Applications.

舒炎泰董林芳 . 带内信令系统实现Ad Hoc网络的邻居预留[J]. 计算机应用.

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