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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Hole Mobility In Strained Ge And Iii-V P-Channel Inversion Layers With Self-Consistent Valence Subband Structure And High-K Insulators, Yan Zhang
Open Access Dissertations
We present a comprehensive investigation of the low-¯eld hole mobility in strained Ge and III-V (GaAs, GaSb, InSb and In1¡xGaxAs) p-channel inversion layers with both SiO2 and high-· insulators. The valence (sub)band structure of Ge and III-V channels, relaxed and under strain (tensile and compressive) is calculated using an effcient self-consistent method based on the six-band k ¢ p perturbation theory. The hole mobility is then computed using the Kubo-Greenwood formalism accounting for non-polar hole-phonon scattering (acoustic and optical), surface roughness scatter- ing, polar phonon scattering (III-Vs only), alloy scattering (alloys only) and remote phonon scattering, accounting for multi-subband dielectric …
On Detection, Analysis And Characterization Of Transient And Parametric Failures In Nano-Scale Cmos Vlsi, Alodeep Sanyal
On Detection, Analysis And Characterization Of Transient And Parametric Failures In Nano-Scale Cmos Vlsi, Alodeep Sanyal
Open Access Dissertations
As we move deep into nanometer regime of CMOS VLSI (45nm node and below), the device noise margin gets sharply eroded because of continuous lowering of device threshold voltage together with ever increasing rate of signal transitions driven by the consistent demand for higher performance. Sharp erosion of device noise margin vastly increases the likelihood of intermittent failures (also known as parametric failures) during device operation as opposed to permanent failures caused by physical defects introduced during manufacturing process. The major sources of intermittent failures are capacitive crosstalk between neighbor interconnects, abnormal drop in power supply voltage (also known as …
Diversifying The Internet, Yong Liao
Diversifying The Internet, Yong Liao
Open Access Dissertations
Diversity is a widely existing and much desired property in many networking systems. This dissertation studies diversity problems in Internet, which is the largest computer networking system in the world. The motivations of diversifying the Internet are two-fold. First, diversifying the Internet improves the Internet routing robustness and reliability. Most problems we have encountered in our daily use of Internet, such as service interruptions and service quality degradation, are rooted in the inter-domain routing system of Internet. Inter-domain routing is policy-based routing, where policies are often based on commercial agreements between ASes. Although people know how to safely accommodate a …
A Hardware/Software Co-Design Architecture For Thermal, Power, And Reliability Management In Chip Multiprocessors, Omer Khan
Open Access Dissertations
Today’s designs are being shaped by the challenges of nano-CMOS technologies: increased power density, rising junction temperatures, and rising rate of errors and device failures that constrain average rate of power dissipation, and design technologies that limit peak power delivery. This thesis focuses on how to leverage the hardware and software abstraction layers of today’s systems. Several of the low level hardware details such as power, hotspots, and faults are tightly correlated to interactions within the system including application and hardware behavior. The conventional approach to tackling such problems come with additional costs and design complexity, and they are limited …
Protocol And System Design For A Service-Centric Network Architecture, Xin Huang
Protocol And System Design For A Service-Centric Network Architecture, Xin Huang
Open Access Dissertations
Next-generation Internet will be governed by the need for flexibility. Heterogeneous end-systems, novel applications, and security and manageability challenges require networks to provide a broad range of services that go beyond store-and-forward. Following this trend, a service-centric network architecture is proposed for the next-generation Internet. It utilizes router-based programmability to provide packet processing services inside the network and decompose communications into these service blocks. By providing different compositions of services along the data path, such network can customize its connections to satisfy various communication requirements. This design extends the flexibility of the Internet to meet its next-generation challenges. This work …