The following publications are possibly variants of this publication:
- Frequency Quadrupler for Millimeter-Wave Multiband OFDM Ultrawideband Wireless Signals and Distribution Over Fiber SystemsMohmoud Mohamed, Bouchaib Hraimel, Xiupu Zhang, Meer Nazmus Sakib, Ke Wu. jocnet, 1(5):428-438, 2009. [doi]
- Symbol spreading for ultrawideband systems based on multiband OFDMIyappan Ramachandran, Yves-Paul Nakache, Philip V. Orlik, Andreas F. Molisch, Jinyun Zhang. pimrc 2004: 1204-1209 [doi]