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A reliable timing verification methodology has been developed and proven on a 45nm SOI standard cell library. This methodology is currently used at more advanced process nodes.
In this paper, a new spectrum management scheme for CRNs called Voluntary Spectrum Handoff (VSH) is introduced. The two mechanisms proposed under VSH estimate opportune times to initiate unforced spectrum handoff events to facilitate setup and signaling of alternative channels without having communication disruption, which occurs when a secondary user is forced out of an operating spectrum due to...
Partially Depleted (PD) SOI CMOS has become increasingly popular due to its performance advantages over bulk CMOS. However signal integrity analysis of SOI designs continues to be a challenging task. One of the major problems is accurate prediction of circuit behavior due to history effect associated with SOI MOS devices. Prior switching effects floating body voltage, which in turn has impact on MOS...
With an increased focus on national security and public safety communications, the US Congress revisited its plan to reclaim television broadcaster frequencies to be reallocated and auctioned by the FCC and it specifically allocated a portion of that spectrum for use by public safety. The FCC was charged with the duty of auctioning this spectrum and licensing it to create a public safety network....
In this paper we discuss performance results of a novel real-time closed-loop power amplifier (PA) linearization technique that has originally been proposed by Ahmed and Li. The novel approach performs on-the-fly prediction and measurement of the PA AM/AM and AM/PM non-linearity, stores such non-linear characteristics and calculates their inverse functions in order to pre-distort the base-band amplitude...
This paper summarizes some rather extensive research on the problem of constructing logic nets out of elements whose timing causes trouble either in their slowness or in their lack of precision. The problem is made precise by setting up a theory of logic nets that is abstract but realistic. Its abstractness consists in its lack of similarity to any particular hardware, and in its strictly mathematical...
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