Priority Based Packet Scheduling Scheme in Wireless Sensor Networks
نویسنده
چکیده
A network consisting of distributed autonomous sensors to cooperatively monitor physical or environmental conditions such as s o u n d , temperature, p r e s s u r e , pollutants and etc. is called as a wireless sensor network (WSN). The origin of wireless sensor networks was motivated by defense applications i.e. battlefield surveillance. However, WSNs are now used in many commercial and civilian application areas, including home automation, traffic control, environment, healthcare applications and habitat monitoring. Priority based scheduling of packets can guarantee quality of service and improve rate of transmission in wireless sensor networks. Reduction of sensors energy consumptions and end-to-end data transmission delays at sensor nodes i s of vital importance in Wireless Sensor Networks (WSN). Keywords-Wireless sensor network; packet scheduling; priority scheduling; Transmission delay; real-time; non-real-time; data waiting time; FCFS.
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