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Stochastic device noise has become a significant challenge for high-precision analog/RF circuits, and it is particularly difficult to correctly include both white noise and flicker noise in the traditional transient verification with an efficient numerical solution. In this paper, a Non-Monte-Carlo transient noise analysis is developed. Both white noise and flicker noise are considered in Itô integral...
With technology scaling down to 90nm and below, many yield-driven design and optimization methodologies have been proposed to cope with the prominent process variation and to increase the yield. A critical issue that affects the efficiency of those methods is to estimate the yield when given design parameters under variations. Existing methods either use Monte Carlo method in performance domain where...
In this paper we study statistics of statistics. Statistical modeling and analysis have become the mainstay of modern design-manufacturing flows. Most analysis techniques assume that the statistical variation models are reliable. However, due to limited number of samples (especially in the case of lot-to-lot variation), calibrated models have low degree of confidence. The problem is further exacerbated...
Modeling spatial variation is important for statistical analysis. Most existing works model spatial variation as spatially correlated random variables. We discuss process origins of spatial variability, all of which indicate that spatial variation comes from deterministic across-wafer variation, and purely random spatial variation is not significant. We analytically study the impact of across-wafer...
As Internet grows exponentially, scalable routers are the next step on the backbone with multiple-plane and multiple-stage (MPMS) switching network to provide QoS guarantees. Until now, most scheduling schemes in switching networks are simply designed to guarantee countable priority services, which are not suitable for the QoS requirements of increasing applications, namely voice (VoIP), video (IPTV)...
In this paper, we present a graphic model of multiple-plane and multiple-stage packet switching system based on its topological architecture. We found that there are two vertex sub-sets belonging to the balanced vertex set and another two vertex sub-sets belonging to the competitive vertex set in MPMS model, respectively. Therefore, we only need to use balancing policies for the balanced vertex sets...
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