Abstract
In a wireless sensor network because of the path loss, there is a considerable difference in the signal strength from the transmitted node to receiving node. Path loss is a crucial factor for a WSN, and it may be evaluated using stochastic, deterministic, or empirical methods. For a WSN, it is challenging task to optimize the transmission power, reliability, and data rate in the presence of path loss. Choice of appropriate modulation scheme is the most important aspect of the physical layer. As optimum modulation scheme is capable of minimizing the error and making WSN more reliable. In this paper, a new approach is considered to relate path loss of the WSN to M-ary modulation schemes. Critical comparative analysis for M-ary FSK and M-ary PSK is done for the case scenario. Performance is analyzed for free space earth model and plane earth model. Results indicate that PSK is more reliable than FSK, whereas the data transmission rate for FSK is greater than PSK. Power required to transmit the data in FSK is less than less.
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Sheikh, S.A., Gupta, S.H. (2019). Implementation and Analysis of Energy Efficiency of M-ary Modulation Schemes for Wireless Sensor Network. In: Jain, L., E. Balas, V., Johri, P. (eds) Data and Communication Networks. Advances in Intelligent Systems and Computing, vol 847. Springer, Singapore. https://doi.org/10.1007/978-981-13-2254-9_6
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DOI: https://doi.org/10.1007/978-981-13-2254-9_6
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