1. Foschini, Foschini and M. J. Gans, "On limits of wireless communications in a fading environment when using multiple antennas," Wireless Personal Communications, Vol. 6, No. 3, 311-335, 1998.
doi:10.1023/A:1008889222784 Google Scholar
2. Federal Communication Commission (FCC) "Revision of part 15 of the commissions rules regarding ultra-wideband transmission systems," ET Docket 98-153, FCC 02-48, First Report and Order, Apr. 2002. Google Scholar
3. Dossche, S., S. Blanch, and J. Romeu, "Optimum antenna matching to minimize signal correlation on a two port antenna diversity system," Electronic Letters, Vol. 40, No. 19, 1164-1165, Sep. 2004.
doi:10.1049/el:20045737 Google Scholar
4. Mak, A. C. K., C. R. Rowell, and R. D. Murch, "Isolation enhancement between two closely packed antennas," IEEE Transactions on Antennas and Propagation, Vol. 56, No. 11, 3411-3419, Nov. 2008.
doi:10.1109/TAP.2008.2005460 Google Scholar
5. Chebihi, A., C. Luxey, A. Diallo, P. Le Thuc, and R. Staraj, "A novel isolation technique for closely spaced pifas for umts mobile phones," IEEE Antennas and Wireless Propagation Letters, Vol. 7, 665-668, Nov. 2008. Google Scholar
6. Chiu, C.-Y., C.-H. Cheng, R. D. Murch, and C. R. Rowell, "Reduction of mutual coupling between closely-packed antenna elements," IEEE Transactions on Antennas and Propagation, Vol. 55, No. 6, 1732-1738, Jun. 2007.
doi:10.1109/TAP.2007.898618 Google Scholar
7. Najam, A. I., Y. Duroc, J. F. A. Leao, and S. Tedjini, "A novel collocated antennas system for UWB-MIMO applications," Proc. IEEE International Radio and Wireless Symposium, 368-371, Jan. 2009.
doi:10.1109/RWS.2009.4957357 Google Scholar
8. Wong, K.-L., S.-W. Su, and Y.-L. Kuo, "A printed ultra-wideband diversity monopole antenna," Microwave Optical Technology Letters, Vol. 38, No. 4, 257-259, 2003.
doi:10.1002/mop.11031 Google Scholar
9. Liu, L., H. Zhao, T. S. P. See, and Z.-N. Chen, "A printed ultra-wideband diversity antenna," Proc. IEEE International Conference on Ultra-Wideband, 351-356, Sep. 2006.
doi:10.1109/ICU.2006.281575 Google Scholar
10. Kim, I., C. W. Jung, Y. Kim, and Y. Kim, "Low-profile wideband MIMO antenna with suppressing mutual coupling between two antennas," Microwave Optical Technology Letters, Vol. 50, No. 5, 1336-1339, May 2008.
doi:10.1002/mop.23368 Google Scholar
11. Hong, S., K. Chung, J. Lee, S. Jung, S. S. Lee, and J. Choi, "Design of a diversity antenna with stubs for UWB applications," Microwave Optical Technology Letters, Vol. 50, No. 5, 1352-1356, May 2008.
doi:10.1002/mop.23389 Google Scholar
12. Cheng, Y., W. J. Lu, C. H. Cheng, W. Cao, and Y. Li, "Printed diversity antenna with cross shape stub for ultra-wideband applications," Proc. IEEE International Conference Communications Systems, 813-816, Nov. 2008.
13. Najam, A. I., Y. Duroc, and S. Tedjini, "Design and analysis of MIMO antennas for UWB communications," Proc. European Conference on Antennas and Propagation, Apr. 2010. Google Scholar
14. Choi, S. H., J. K. Park, S. K. Kim, and J. Y. Park, "A new ultrawideband antenna for UWB applications," Microwave and Optical Technology Letters, Vol. 40, No. 5, 399-401, May 2004.
doi:10.1002/mop.11392 Google Scholar
15. Sheng, H., P. Orlik, A. M. Haimovich, L. J. Cimini, and J. Zhang, "On the spectral and power requirements for ultra-wideband transmission," Proc. IEEE International Conference on Communications, Vol. 1, 738-742, May 2003.
16. Salonen, I. and P. Vainikainen, "Estimation of signal correlation in antenna arrays," Proc. International Symposium on Antennas, Vol. 2, 383-386, Nov. 2002. Google Scholar
17. Manteghi, M. and Y. Rahmat-Samii, "Multiport characteristics of a wide-band cavity backed annular patch antenna for multipolarization operations," IEEE Transactions on Antennas and Propagation, Vol. 53, No. 1, 466-474, Jan. 2005.
doi:10.1109/TAP.2004.838794 Google Scholar
