A transmission control scheme for media access in sensor networks
Proceedings of the 7th annual international conference on Mobile computing and networking
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Optimizing Sensor Networks in the Energy-Latency-Density Design Space
IEEE Transactions on Mobile Computing
The K-Neigh Protocol for Symmetric Topology Control in Ad Hoc Networks
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
Principles of Embedded Networked Systems Design
Principles of Embedded Networked Systems Design
Impact of multipath fading in wireless ad hoc networks
PE-WASUN '05 Proceedings of the 2nd ACM international workshop on Performance evaluation of wireless ad hoc, sensor, and ubiquitous networks
Throughput analysis of fading sensor networks with regular and random topologies
EURASIP Journal on Wireless Communications and Networking
The impact of fading and shadowing on the network performance of wireless sensor networks
International Journal of Sensor Networks
The impact of fading and shadowing on the network performance of wireless sensor networks
International Journal of Sensor Networks
A survey of communication/networking in Smart Grids
Future Generation Computer Systems
Optimal transmit power and packet size in wireless sensor networks in lognormal shadowed environment
International Journal of Sensor Networks
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Most ad hoc and sensor network research assumes idealised radio propagation models without considering fading and shadowing effects. Experimental results have shown that many well-designed protocols will fail simply because of fading and shadowing experienced in a realistic wireless environment. While fading and shadowing for radio propagation are well understood in the wireless communication community, they are rarely studied in network level research for wireless sensor networks. This paper studies the fading and shadowing effects on the performance of different systems for wireless sensor networks. We show that fading and shadowing can have a significant influence on network performance. We study and compare network performance for three different systems: (1) a multichannel CDMA system; (2) a pure CDMA system; (3) a contention-based system. Through discrete event simulation (using ns-2), we show that the multichannel CDMA system outperforms the pure CDMA system as well as the contention-based system under fading and shadowing environments.