2-2 Ad hoc based emergency communications models for wide-scale disaster management

Hoang Nam Nguyen, Koichi Gyoda, Kazunori Okada, Osamu Takizawa

Research output: Contribution to journalArticle

  • 2 Citations

Abstract

In case of disasters, telecommunication infrastructure might be destroyed rising the demand of fast-deployment emergency wireless communication systems in order to provide communication services to victims and rescue teams. Recently, mobile ad hoc communications is considered as an efficient solution for emergency communications in disaster areas. Beside the advantages in terms of fast deployment and self-configuration capability, ad hoc communications networks show less performance in large scale networks. In this paper, we first discuss some proposed ad hoc based emergency communications models for wide scale disaster management. Then we present a hybrid system model of wireless data networks for emergency communications in disaster areas. Due to limited radio resource, resource management plays an important role to system performance and provide user's QoS. We propose a resource management scheme for the hybrid wireless networks in which selected powerful end users operate as temporary relay hosts (TRH) in order to utilize the system resource efficiently. The scheme combines network controlled handover, resource allocation and admission control and takes advantages of adaptive transmission rates and multi-hop/relay communication mode. Performance results obtained by computer simulation show that using the proposed resource management scheme can reduce the connection blocking probability i.e. increase the quantity of simultaneous connections.

LanguageEnglish
Pages95-105
Number of pages11
JournalJournal of the National Institute of Information and Communications Technology
Volume58
Issue number1-2
StatePublished - 2011 Mar

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Disasters
Communication
Blocking probability
Hybrid systems
Access control
Resource allocation
Telecommunication networks
Telecommunication
Wireless networks
Quality of service
Communication systems
Computer simulation

Keywords

  • Ad hoc networks
  • Emergency communications
  • Resource management

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Media Technology

Cite this

2-2 Ad hoc based emergency communications models for wide-scale disaster management. / Nguyen, Hoang Nam; Gyoda, Koichi; Okada, Kazunori; Takizawa, Osamu.

In: Journal of the National Institute of Information and Communications Technology, Vol. 58, No. 1-2, 03.2011, p. 95-105.

Research output: Contribution to journalArticle

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