1. Kim, C. K., Lee, K., & Cho, Y. S. (2000). Adaptive beamforming algorithm for OFDM systems with antenna arrays. IEEE Transactions on Consumer Electronics, 64(4), 1052–1058.
2. Lei, M., Zhang, P., Harada, H., & Wakana, H. (2004). Adaptive beamforming based on frequency-to-time pilot transform for OFDM. In: Proceedings of the IEEE Vehicular Technology Conference, vol. 1, pp. 285–289. IEEE
3. Okada, M., & Komaki, S. (2001). Pre-DFT combining space diversity assisted COFDM. IEEE Transactions on Vehicular Technology, 50(2), 487–496.
4. Budsabathon, M., & Shoki, H. (2004). Optimum beamforming for pre- FFT adaptive antenna array. IEEE Transactions on Vehicular Technology, 53(4), 945–955.
5. Li, Y., & Sollenberger, N. R. (1999). Adaptive antenna arrays for OFDM systems with cochannel interference. IEEE Transactions on Communications, 47(2), 217–229.