1. Anderson, J.B., 2006. Digital transmission engineering. John Wiley & Sons. — Covers the engineering design aspects of digital modulation and detection systems.
2. Proakis, J.G. and Salehi, M., 2001. Digital communications (Vol. 4, pp. 593-620). New York: McGraw-hill. — Standard reference for BER analysis and performance of ASK/FSK/PSK over AWGN channels.
3. Haykin, S., 2013. Digital communication systems. John Wiley & Sons. — Provides a thorough derivation of the Q-function and its role in BER calculations, directly relevant to this experiment's noise analysis.
4. Lathi, B.P. and Ding, Z., 2009. Modern digital and analog communication systems (4th ed.). Oxford University Press. — Offers an accessible treatment of constellation diagrams and coherent detection for ASK, FSK, and PSK.