2016
DOI: 10.6109/jkiice.2016.20.5.1013
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Prediction method of node movement using Markov Chain in DTN

Abstract: This paper describes a novel Context-awareness Markov Chain Prediction (CMCP) algorithm based on movement prediction using Markov chain in Delay Tolerant Network (DTN). The existing prediction models require additional information such as a node's schedule and delivery predictability. However, network reliability is lowered when additional information is unknown. To solve this problem, we propose a CMCP model based on node behaviour movement that can predict the mobility without requiring additional informatio… Show more

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Cited by 2 publications
(4 citation statements)
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“…A set of CR user current path states are taken as s = { s 1 , s 2 … s n }, where s 1 , s 2 represents the geographical co‐ordinates (latitude and longitude). The CR user's path from state s 1 to state s n is represented in transition matrix which are formed using Markov's Chain algorithm as follows P=[]ρ11.5emρ120.75em0.75emρ1mρ21.5emρ220.75em0.75emρ2m0.5em0.5em0.5em0.5emρm1.5emρm20.75em0.75emρmm where m is the possible number transitions.…”
Section: Proposed Methodsmentioning
confidence: 99%
“…A set of CR user current path states are taken as s = { s 1 , s 2 … s n }, where s 1 , s 2 represents the geographical co‐ordinates (latitude and longitude). The CR user's path from state s 1 to state s n is represented in transition matrix which are formed using Markov's Chain algorithm as follows P=[]ρ11.5emρ120.75em0.75emρ1mρ21.5emρ220.75em0.75emρ2m0.5em0.5em0.5em0.5emρm1.5emρm20.75em0.75emρmm where m is the possible number transitions.…”
Section: Proposed Methodsmentioning
confidence: 99%
“…Figures 5-7 show delivery ratio, overhead ratio, and delivery latency of the proposed protocol, PRoPHET, and RPC, for varying the buffer size of a mobile node, where delivery predictability, overhead ratio, and delivery latency are defined as follow: delivery ratio = N dm N cm (8) overhead ratio = N rm − N dm N dm (9) delivery latency = SD dm N dm (10) where N dm , N cm , N rm , and SD dm represent the number of successfully delivered messages, the number of created messages, the number of relayed messages, and the sum of the delays of the all delivered messages, respectively. Figure 5 shows delivery ratio for varying buffer size.…”
Section: Performance Analysismentioning
confidence: 99%
“…In related works, movement trajectory [10], movement direction, speed, estimated direction change, location [11,12], movement pattern [13], contact period [14], last contact duration, last contact time, current contact time [15], contact count, contact duration, the amount of exchanged messages [16], contact history [17], node type [20], historical throughput, historical contact time [21], encounter duration, non-encounter duration [22], rate of encounters [23], and delivery predictability of previously contact nodes [24] are used to decide a message forwarding. Most of the mentioned context information, however, reflect individual characteristics of contact nodes or node itself, and collective characteristics of nodes have not been considered well to deliver a message to a destination node.…”
Section: Introductionmentioning
confidence: 99%
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