As computer programs execute, they pass through different phases of operation that require more or less hardware resources. If the available hardware resources are insufficient for the needs of a part...
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Silicon is a relatively inexpensive material for making integrated power amplifiers for communications devices such as cell phones; however, these power amplifiers are generally limited to low power a...
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Network intrusion detection systems (NIDS) can help protect computer networks from worms, viruses and other malicious software. Today’s NIDS rely on a set of simple signatures to identify malicious ...
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Most decimal dividers are for fixed-point (typically integer) decimal data. They cannot be directly applied to floating-point decimal dividers; require time-consuming and error-prone scaling when work...
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Most decimal adders add only two numbers at a time. Adding several numbers together takes a long time, because each addition requires carries to propagate.
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Currently, most single-input, single-output (SISO) systems use a proportional, integral, derivative (PID) controller. The PID controller is simple, fast, and easily implemented on simple computing har...
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UW-Madison researchers previously described a system of analyzing malicious network traffic to automatically generate signatures that may be used by a network intrusion detection system (NIDS) to prot...
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The specialty chemical and pharmaceutical industries frequently use suspension crystallization processes to create crystalline solids with consistent and desirable properties. Controlling the particle...
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The speed at which a computer executes its workload is constrained by the time it takes for data and instructions to be transferred from its memory to its processor. To reduce this “memory latency,�...
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For integrated circuits, including very large scale integration (VLSI) circuits, to work properly, the signals traveling along the gates and interconnects must be properly timed. Using classical case ...
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The fabrication of semiconductor devices involves growing thin films on wafers and patterning them. However, thin films typically exhibit intrinsic stress, which can lead to failure of electronic devi...
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Fiber optic probes can be used for spectroscopic measurement of tissue. A fiber optic tube emits light on one side of the tissue that is absorbed and measured on the other side by fiber optic detector...
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Only a limited number of communication frequencies are available for wireless communications. As wireless devices become more widespread, those frequencies are being used up. Additional, higher frequ...
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Wireless local area networks (WLANs) are utilized by organizations such as businesses, universities and airports to provide wireless connectivity to mobile users. As usage increases, maximizing data t...
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Information is transmitted through networks as data packets, which include information to help routers determine which action to perform on each packet. To implement services with the capability to di...
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The wireless connection of devices such as portable computers to the Internet allows a user to work at a variety of locations, but the connection typically is suspended when moving between locations. ...
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Modern microprocessors integrate multiple cores onto a single chip.  Improving software performance on these multicore processors requires complex parallel programming models.  Parallelization signi...
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Object recognition, which is important in systems that inspect or authenticate, is complicated because objects typically have shapes that vary, depending on the angle from which they are viewed. Previ...
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Although most people use decimal arithmetic when performing calculations, computer hardware usually only supports binary arithmetic. Numbers are typically input in decimal form, converted to binary fo...
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To remove the substantial heat generated by today’s most powerful microprocessors, many high-performance and personal computers use liquid cooling, rather than air cooling, technology. Research indi...
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Network intrusion detection systems (NIDS) alert a system administrator each time an intruder attempts to penetrate the network. A signature-based NIDS (see WARF reference number P05038US) uses a tabl...
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Conventional techniques for modifying an image to be displayed on a device smaller than the one the image was originally designed for have focused on cropping or resizing the image. However, these met...
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Large multiple input, multiple output (MIMO) systems are often controlled by model predictive control (MPC). One MPC strategy makes predictions of the system’s actions by using complete enumeration ...
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A computer operating system is connected to its hard drive(s) by an interface that controls recording and viewing of data to and from storage blocks on the drive. To increase efficiency, the operating...
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For integrated circuits such as very large scale integrated (VLSI) circuits to work properly, signals traveling on them must arrive at their destination at the proper time. However, there are many sou...
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