1. R. Fontana, A. Ameti, E. Richley, L. Beard, and D. Guy, “Recent advances in ultra wideband communications systems,” IEEE Conference on UWB Systems and Technologies, 2002
2. G. Aiello, “Challenges for ultra-wideband (UWB) CMOS integration,” IEEE MTT-S Int. Microwave Symp. Dig., vol. 1, pp. 361–364, June 2003
3. J. Rudell, J. Ou, R. Narayanaswami, G. Chien, J. Weldon, L. Lin, K. Tsai, L. Lee, K. Khoo, D. Au, T. Robinson, D. Gerna, M. Otsuka, and P. Gray, “Recent developments in high integration multi-standard CMOS transceivers for personal communication systems,” in Proc. Int. Symp. Low Power Electronics and Design, Monterey, CA, Aug. 1998, pp. 149–154
4. A. Rofougaran, G. Chang, J. Rael, J. Chang, M. Rofougaran, P. Chang, and A. Abidi, “The future of CMOS wireless transceivers,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, San Francisco, CA, Feb. 1997, pp. 118–119, 440
5. B. Razavi, “Challenges and trends in RF design,” in Proc. IEEE ASIC Conf., Rochester, NY, Sept. 1996, pp. 81–86