Energy-Aware Multi.Replica Routing in Delay Tolerant Mobile Sensor Network  

一种基于能量感知的延迟容忍移动无线传感器网络多拷贝路由协议(英文)

作　　者：张琳娟 部帅 

机构地区：[1]National Engineering Laboratory for Next Generation Internet Interconnection Devices, Beijing Jiaotong University

出　　处：《China Communications》2011年第8期87-97,共11页中国通信（英文版）

基　　金：supported by National Natural Science Foundation of China under Grant No.60802016, 60972010 and No.61100217;by China Fundamental Research Funds for the Central Universities under Grant No. 2011JBM002,2011YJS017

摘　　要：The two-phase replication-based routing has great prospects for Delay Tolerant Mobile Sensor Network (DTMSN) with its advantage of high message delivery ratio, but the blind spraying and the low efficiency forwarding algorithm directly influences the overall network performance. Considering the characteristic of the constrained energy and storage resources of sensors, we propose a novel two-phase multi-replica routing for DTMSN, called Energy-Aware Sociality-Based Spray and Search Routing (ESR), which implements the quota-style message replication mechanism by utilizing the energy and speed information of sensors. In addition, based on the difference of history encounters, a sociality metric is defined to improve the forwarding efficiency in search phase. Simulation experiments show that ESR can reduce the message delay and improve the resource utilization while maximizing the message delivery ratio compared with the exiting popular two-phase routing protocols.The two-phase replication-based routing has great prospects for Delay Tolerant Mobile Sensor Network (DTMSN) with its advantage of high message delivery ratio, but the blind spraying and the low efficiency forwarding algorithm directly influences the overall network performance. Considering the characteristic of the constrained energy and storage resources of sensors, we propose a novel two-phase multi-replica routing for DTMSN, called Energy-Aware Sociality-Based Spray and Search Routing (ESR), which implements the quota-style message replication mechanism by utilizing the energy and speed information of sensors. In addition, based on the difference of history encounters, a sociality metric is defined to improve the forwarding efficiency in search phase. Simulation experiments show that ESR can reduce the message delay and improve the resource utilization while maximizing the message delivery ratio compared with the exiting popular two-phase routing protocols.

关 键 词：DTMSN multi-replica ROUTING ENERGY-AWARE SOCIALITY TWO-PHASE 

分 类 号：TN929.5[电子电信—通信与信息系统] TP212.9[电子电信—信息与通信工程]