Enhanced buffer management policy and packet prioritization for wireless sensor network

Abdiwahab A. Rabileh, Khairul Azmi Abu Bakar , Dahnil Sikumbang Dahlila Putri, Rajina R. Mohamed, Mohamad A. Mohamed

Research output: Contribution to journalArticle

Abstract

Limited storage of the sensor node is one of the main causes of packet drop in the Wireless sensor network (WSN). Frequent link disconnection is also another cause of packet drop. Due to lack of continues end-to-end connection; neighbouring nodes might not be able to connect with one another. Hence, communication may be setup with the help of store and forward approach between the source and destination. In that case, the sensor node may not be capable of storing a chunk of data since the buffer is available in a small amount. In order to store the data packets in the buffer when the link is down, an effective buffer management scheme is highly needed to keep the data packets for a long time until the link is re-established. This paper proposes a new buffer management scheme called Packet Priority Heterogonous Queue (PPHQ), which based on prioritizing and classifying the packets into different categories to minimize the loss of important packets. Unlike the existing Multi-layer WSN, that treats the data packets differently; we considered the data packets such as; temperature, humidity, and pressure to be same. However, the classification of different packet types is based on the sensor's information value. We completely divide the whole buffer into different queues, and thus the newly arrived packets are inserted in their corresponding queue. The buffer will then prioritize and schedule on which packet to be stored or transmit first when the buffer is overloaded. Our result exhibits that PPHQ scheme indeed provides minimum packet drop as well as maximum throughput compared to existing Multi-layer WSN buffer management schemes.

Original languageEnglish
Pages (from-to)1770-1776
Number of pages7
JournalInternational Journal on Advanced Science, Engineering and Information Technology
Volume8
Issue number4-2
Publication statusPublished - 1 Jan 2018

Fingerprint

prioritization
Wireless sensor networks
Buffers
buffers
Sensor nodes
Atmospheric humidity
Throughput
Communication
Sensors
Humidity
humidity
Temperature
Appointments and Schedules
Pressure

Keywords

  • Buffer management
  • Packet drop
  • Packet priority
  • Wireless sensor network

ASJC Scopus subject areas

  • Computer Science(all)
  • Agricultural and Biological Sciences(all)
  • Engineering(all)

Cite this

Enhanced buffer management policy and packet prioritization for wireless sensor network. / Rabileh, Abdiwahab A.; Abu Bakar , Khairul Azmi; Dahlila Putri, Dahnil Sikumbang; Mohamed, Rajina R.; Mohamed, Mohamad A.

In: International Journal on Advanced Science, Engineering and Information Technology, Vol. 8, No. 4-2, 01.01.2018, p. 1770-1776.

Research output: Contribution to journalArticle

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