For multiuser multiple-input-multiple-output(MIMO)cognitive radio(CR)networks a fourstage transmiision structure is proposed.In learning stage,the learning-base
An on-chip power-on reset circuit with a brown-out detection capability is implemented in a0.18μm CMOS.A pF-order capacitor is charged with a proportional-to-a
A novel attribute-based framework is proposed to tackle the problem of halftone watermarking in combination of the spatial/transformation domain.The challenge i