Centron: Cooperative neighbor discovery in mobile Ad-hoc networks

Centron: Cooperative neighbor discovery in mobile Ad-hoc networks
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Centron:移动 Ad-hoc 网络中的协作邻居发现

DOI:
10.1016/j.comnet.2018.03.003
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发表时间:
2018-05
期刊:
影响因子:
5.6
通讯作者:
Changjun Jiang
Changjun Jiang
中科院分区:
计算机科学3区
文献类型:
--
作者:
Siqian Yang;Cheng Wang;Changjun Jiang

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支持基于邻近度的应用的基本步骤是发现附近的移动的设备。目前的算法主要关注密集模式移动的节点之间频繁碰撞的交会情况。在本文中,我们设计了一个发现协议,命名为Centron,专门用于拥挤的区域(例如,会议厅和火车车厢)。在Centron协议中,鼓励移动的节点构建不重叠的核心组,以充当“大移动的节点”,其占空比由核心创建者生成。该协议的目标是在核心组的建立和协商过程中使用较少的能量来换取较低的冲突代价。此外,该协议中使用了两个通道:一个用于发现邻居,另一个用于与核心成员协商。我们评估我们的协议的性能,通过提供数学结果,并结合模拟数据在斯德哥尔摩与NS-3网络模拟器构建的场景。Centron协议在发现延迟方面比现有方法提高了约10%,且能耗更低。
The fundamental step to support proximity-based applications is to discover the mobile devices nearby. Recent algorithms pay attentions on the rendezvous situation, which suffers from frequent collisions among mobile nodes with dense pattern. In this paper, we deign a discovery protocol, namedCentron, specifically for crowded region (e.g., conference hall, and train carriage). In the Centron protocol, the mobile nodes are encouraged to construct non-overlapped core groups to act as a “big mobile node” with the duty cycle generated from the core creators. The protocol aims to use little energy in core group construction and negotiation to exchange for lower collision cost. Besides, two channels are utilized in the protocol: one is for discovering neighbors, and the other one is used to negotiate with the core members. We evaluate the performance of our protocol by providing mathematical results and combining the simulative data in Stockholm with NS-3 network simulator to construct the scenario. The Centron protocol performs about 10% improvement in the discovery latency than the existing methods with less energy consumption.
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