Carrier Modifications Make Ultranarrowband Modulation Jul 21, 2017 Ultranarrowband modulation can be generated by making small modifications to a carrier signal, thus improving C/N ratio and BER performance in digital communications systems. Making the Most of Ultranarrowband Modulation Jul 06, 2015 Looking to achieve high data rates with minimal consumption of bandwidth? Ultranarrowband modulation provides the promise of effective communications—with the proper filtering. Sidebands Are Not Necessary Aug 12, 2011 These experiments show that pulsed systems can not only operate effectively without sideband energy, but can actually benefit in performance by removing the sidebands. Understanding Ultra Narrowband Modulation Dec 01, 2003 Ultra narrowband modulation formats, in which sidebands are minimized, provide extremely bandwidth-efficient methods of transmitting high-data-rate information.