Patent ID: 8059730
Filing Date: 2011-11-15
Classification: H04B,H04L

Abstract:
1. A method of synthesizing frequency, producing a plurality of carrier frequencies for Ultra Wideband (UWB) with multi-band orthogonal frequency division multiplexing (MB-OFDM), the carrier frequencies comprising first through fourteenth frequencies in an order of low to high, any two adjacent carrier frequencies being separated by a fundamental separation frequency, the method comprising: grouping the carrier frequencies into first through fifth frequency groups comprising the first to third frequencies, the fourth to sixth frequencies, the seventh to ninth frequencies, the tenth to twelfth frequencies, and the thirteenth to fourteenth frequencies; generating a center frequency of the third frequency group; performing frequency mixing on the center frequency of the third frequency group to produce center frequencies of the first, second, fourth, and fifth frequency groups; and performing frequency mixing on the center frequencies of the first through fifth frequency groups to produce two adjacent frequencies for each center frequency.