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The self-dual graph is a beautiful topic in graph theory. Based on DeMorgan's theorem, all CMOS circuits are series-parallel graphs. Thus self-dual graphs are few in CMOS circuits. The paper reveals a self-dual diamond-graph CMOS H-bridge circuit family, and then displays the characteristics and properties of the self-dual graphs on CMOS circuits. A basic diamond graph makes an H-bridge on the circuit...
With degradation in transistors dimensions and complication of circuits, Three-Dimensional Network-on-Chip (3-D NoC) is presented as a promising solution in electronic industry. By increasing the number of system components on a chip, the probability of failure will increase. Therefore, proposing fault tolerance mechanisms is an important target in emerging technologies. In this paper, two efficient...
With the provable asymptotically optimal property in the sense of channel capacity, polar codes have emerged as one of the potential channel code candidates for the next-generation wireless communication systems. To date, numerous works have been reported on VLSI implementation of polar decoders. However, the efficient hardware design of polar decoders that can be used in the real-time energy-constraint...
Linear programming is required in a wide variety of application including routing, scheduling, and various optimization problems. The primal-dual interior point (PDIP) method is state-of-the-art algorithm for solving linear programs, and can be decomposed to matrix-vector multiplication and solving systems of linear equations, both of which can be conducted by the emerging memristor crossbar technique...
Deep neural network (DNN) has emerged as a very important machine learning and pattern recognition technique in the big data era. Targeting to different types of training and inference tasks, the structure of DNN varies with flexible choices of different component layers, such as fully connection layer, convolutional layer, pooling layer and softmax layer. Deviated from other layers that only require...
The CORTICO-STRIATAL-THALAMO-CORTICAL (CSTC) circuit in the brain has an important role in controlling movement and thought. As a consequence, any dysfunction in this circuit may cause movement and psychological disorders. For example, one hypothesis to explain Obsessive Compulsive Disorder (OCD) is that alteration in this circuit causes a positive feedback loop (direct pathway) to become strengthened...
In this paper, we analyzed the power consumption of all Samsung Galaxy smartphones to explore modern smartphones' power consumption characters. With dedicated measurement and analysis, we found that, some previously emphasized power hungry consumers, like Wi-Fi and multimedia codec, consume very trivial power in the modern smartphones; and video adaptation don't achieve significant power saving impact...
This paper presents a novel technique to reduce the power and latency in content-addressable memories (CAMs). The first technique is to discontinue the unnecessarily subsequent search-line precharge process based on pipelined matchline searching operation. Speed is improved significantly since search-line registers are comparing in parallel. Meanwhile, the power consumption is also significantly reduced...
As integrated circuit technology advances, we are now facing the utilization wall of the chip, which prevents us from turning on all the cores at the same time and leads to dark silicon. In order to maximize performance without violating thermal threshold for dark silicon chips, we propose a new power budgeting and dynamic thermal management scheme. Utilizing model predictive control, the new method...
In-situ timing error detection and correction mechanisms (such as Razor) monitor the performance of actual datapaths, and are believed more resilient in adaptive voltage scaling (AVS) systems, especially when considering local variations. However, Razor has serious hold time problems, of which the overwhelming buffer padding makes it infeasible in advanced process technologies. Pre-error (or in-situ...
Security is a critical challenge for modern embedded, mobile, and IoT devices. One the one hand, these devices contain sensitive assets that must be protected from unauthorized access. On the other hand, high design complexity, aggressive time-to-market, and a complex, global supply-chain provide numerous opportunities for introduction of errors, vulnerabilities, and security backdoors that can be...
Over the years, autonomous systems have entered almost all the facets of human life. Gradually, higher levels of autonomy are being incorporated into cyber-physical systems (CPS) and Internet-of-things (IoT) devices. However, safety and security has always been a lurking fear behind adoption of autonomous systems such as self-driving vehicles. To address these issues, we develop a framework for quantifying...
The emergence of Internet-of-Things has imposed more stringent security requirements on SoC devices. Basic security requirements include confidentiality and integrity, which imply less observability and controllability of the SoC from the outside world. On the other hand, observability and controllability are essential to SoC debug activities. Without bearing in mind the conflicting nature of security...
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