It looks like Samsung is convinced that the standard for UWB proposed by the Multiband OFDM Alliance [http://www.multibandofdm.org/] is likely to win the standards race, so they are trying to get jump on the industry with commercial products. What markets they will go after first should be interesting, but they apparently aren't saying yet.
Samsung to team on ultrawideband. The consumer-electronics company pairs with chipmaker Staccato Communications to develop products using ultrawideband, a technology that's 100 times faster than Bluetooth. [CNET News.com]