Abstract
A wireless sensor network (WSN) consists of several sensor nodes to monitor physical or environmental conditions. The development of WSNs is motivated by several applications such as military surveillance, industrial and consumer applications. In this paper transmission mechanism of a sensor node is analyzed with modulation schemes and error control codes. It furthermore compared based on channel condition in a sensor network. The modulation schemes considered for this work including 16-PSK, 16-PAM, 16-QAM and 16-FSK along with convolutional, Golay and RS codes under both AWGN (Additive White Gaussian Noise) and Rayleigh fading channels. To maximize the lifetime of WSN, appropriate combination of modulation scheme with error control codes is chosen for sensor data transmission. The result shows that 16-FSK with Golay codes in AWGN and 16-QAM with Golay codes in Rayleigh channel is more energy efficient than other combination of modulation and coding techniques for energy efficient sensor data transmission
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