Wireless Communication Protocol Based on EDF for Wireless Body Sensor Networks

 

Raúl Aquino-Santos¹, Apolinar González Potes², Víctor Rangel-Licea³, Miguel A. García-Ruiz¹, L. A. Villaseñor-González⁴, Arthur Edwards-Block¹

 

¹ Facultad de Telemática, Universidad de Colima, C. P. 28045, Colima, Colima, México aquinor@ucol.mx, mgarcia@ucol.mx, arted@ucol.mx

² Facultad de Ingeniería Mecánica y Eléctrica, Universidad de Colima. Coquimatlán, Colima, México apogon@ucol.mx

³ Departamento de Telecomunicaciones, Universidad Nacional Autónoma de México, México, D. F. victor@fi-b.unam.mx

⁴ Departamento de Electrónica y Telecomunicaciones, CICESE, Carr. Tijuana-Ensenada, Km. 113, Ensenada, B. C. N., México. luisvi@cicese.mx

 

ABSTRACT

This paper presents a wireless communication protocol based on the Earliest Deadline First policy for wireless body sensor networks. This work advances a previous effort by proposing using an implicit Earliest Deadline First policy to guarantee real-time communication by optimizing network traffic flow, although this strategy may imply using the totality of bandwidth resources. The proposed protocol uses a slotted time-triggered medium access transmission control that is collision-free, even in the presence of hidden nodes. The protocol has been analytically modeled using Colored Petri Networks and Simulated in OPNET.

Keywords: wireless body sensor networks, wireless communication protocol, Earliest Deadline First, Wireless Ad Hoc Networks.

 

RESUMEN

Este trabajo presenta un protocolo de comunicación inalámbrica basado en una política de "El más próximo tiempo de expiración primero" para redes de sensores corporales inalámbricas. El presente, mejora un esfuerzo previo proponiendo el uso de una política del más próximo tiempo de expiración primero implícito (Implicit EDF) para garantizar comunicación en tiempo real a través de la optimación del flujo de tráfico en la red, aunque esta estrategia podría implicar usar la totalidad de los recursos de ancho de banda. El protocolo propuesto utiliza un control de transmisión de acceso al medio con ranuras de tiempo, que son libres de colisiones, aún en la presencia de nodos escondidos. El protocolo ha sido analíticamente modelado a través de redes de Petri coloreadas y simulado en OPNET.

 

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