1. Prasad, R. (2004). OFDM for wireless communications systems. London: Artech House Inc. Publications.
2. Oestges, C., & Clerckx, B. (2007). MIMO wireless communications: From real-world propagation to space-time code design. California, USA: Acadamic Press.
3. Hanzo, L., Munster, M., Choi, B. J., & Keller, T. (2003). OFDM and MC-CDMA for broadband multi-user communications, WLANs and broadcasting. West Sussex, England: IEEE Press/Wiley Publications.
4. Vandenameele, P., Perre, L. V. D., Engels, M., Gyselinckx, B., & Man, H. D. (2000). A combined OFDM/SDMA approach. IEEE Journal on Selected Areas in Communications, 18(11), 2312–2321.
5. Verdu, S. (1998). Multiuser detection. Cambridge, UK: Cambridge University Press.