Design of the Orthogonal UWB Pulses with the Cognitive Radio Applications

In this paper, a method for the design of non-linear phase, full-band, UWB pulses that satisfy any given spectrum mask is described. The method uses convex programming in each step of the iterative procedure that updates the phase distribution of the goal function. Thanks to its mathematical structure, method performance is much better than the performance of similar methods found in literature. Techniques of adapting pulses waveforms for the cognitive radio applications are described; pulses waveforms are modified in order to achieve low interference to the victim systems.

[1]  Georgios B. Giannakis,et al.  Optimal waveform design for UWB radios , 2004, IEEE Transactions on Signal Processing.

[2]  R. Kohno,et al.  Design of the Family of Orthogonal and Spectrally Efficient UWB Waveforms , 2007, IEEE Journal of Selected Topics in Signal Processing.

[3]  G.B. Giannakis,et al.  Orthogonal waveform design for UWB radios , 2004, IEEE 5th Workshop on Signal Processing Advances in Wireless Communications, 2004..

[4]  Georgios B. Giannakis,et al.  Optimal waveform design for UWB radios , 2006, IEEE Trans. Signal Process..

[5]  Jos F. Sturm,et al.  A Matlab toolbox for optimization over symmetric cones , 1999 .

[6]  Liuqing Yang,et al.  Designing optimal pulse-shapers for ultra-wideband radios , 2003, IEEE Conference on Ultra Wideband Systems and Technologies, 2003.

[7]  R. Kohno,et al.  Multiple pulse generator for ultra-wideband communication using Hermite polynomial based orthogonal pulses , 2002, 2002 IEEE Conference on Ultra Wideband Systems and Technologies (IEEE Cat. No.02EX580).

[8]  Zhi Ding,et al.  A novel ultra-wideband pulse design algorithm , 2003, IEEE Communications Letters.