Dear Bilal,
I used this method in UWB-over-fiber system in my three papers
1- Transmission Performance Investigation of IR-UWB Signals over Existing optical fiber Transmission link
2- Transmission Performance Investigation of Multi IR-UWB Signals over DWDM Communication System
3- Integration of IR-UWB Services into Single- and Multi-Channel Optical
Coherent OFDM Network
in this journal
http://cirworld.com/journals/index.php/ijct/issue/view/374