Cross-layer analysis of error control in wireless sensor networks

Mehmet C. Vuran, Ian F. Akyildiz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

60 Scopus citations

Abstract

Severe energy constraints and hence the low power communication requirements amplify the significance of the energy efficient and preferably cross-layer error control mechanisms in Wireless Sensor Networks (WSN). In this paper, a crosslayer methodology for the analysis of error control schemes in WSNs is presented such that the effects of multi-hop routing and the broadcast nature of the wireless channel are investigated. More specifically, the cross-layer effects of routing, medium access and physical layers are considered. This analysis enables a comprehensive comparison of forward error correction (FEC) and automatic repeat request (ARQ) in WSNs. FEC schemes improve the error resiliency compared to ARQ. In a multi-hop network, this improvement can be exploited by reducing the transmit power (transmit power control) or by constructing longer hops (hop length extension), which can be achieved through channel-aware routing protocols. The results of our analysis reveal that for certain FEC codes, the hop length extension decreases both the energy consumption and the end-to-end latency subject to a target PER compared to ARQ. Thus, FEC codes can be regarded as an important candidate for delay sensitive traffic in WSNs. On the other hand, transmit power control results in significant savings in energy consumption at the cost of increased latency. Moreover, the cases where ARQ outperforms FEC codes are indicated for various end-to-end distance and target PER values.

Original languageEnglish (US)
Title of host publication2006 3rd Annual IEEE Communications Society on Sensor and Adhoc Communications and Networks, Secon 2006
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages585-594
Number of pages10
ISBN (Print)1424406269, 9781424406265
DOIs
StatePublished - 2006
Externally publishedYes
Event2006 3rd Annual IEEE Communications Society on Sensor and Ad hoc Communications and Networks, Secon 2006 - Reston, VA, United States
Duration: Sep 25 2006Sep 28 2006

Publication series

Name2006 3rd Annual IEEE Communications Society on Sensor and Adhoc Communications and Networks, Secon 2006
Volume2

Conference

Conference2006 3rd Annual IEEE Communications Society on Sensor and Ad hoc Communications and Networks, Secon 2006
Country/TerritoryUnited States
CityReston, VA
Period9/25/069/28/06

ASJC Scopus subject areas

  • Computer Networks and Communications

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