Sophisticated wireless transceivers transmit digital data encoded into a physical signal such as a radio wave. The encoding process changes multiple bits making up a data unit into symbols that descri...
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Rich, high quality media content is becoming increasingly available through the Internet. As a result, user expectation of accessing such content over wireless-enabled devices continues to grow. While...
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The widespread use of wireless communication applications in daily life has resulted in an increased need for power and bandwidth efficiency in emerging wireless transceivers. Two recent technological...
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The rise of wireless technology use in daily life has increased the need for electrically-small antennas with performance levels that exceed conventional limits. An electrically-small antenna is an an...
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Antennas that are electrically small, those with dimensions relatively diminutive compared to the size of the wavelengths they radiate, are integral to radio engineering, from wireless garage door ope...
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Mechanical engineers commonly employ a software modeling tool called finite element analysis (FEA) to virtually simulate a design prior to physical prototyping.  In FEA, a three dimensional (3-D)...
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The bandwidth of a computer network is a measure of the rate of data transfer.  Limits on bandwidth may result from physical limitations of the media as well as processing limitations.  Incr...
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System-on-Chip (SoC) is a technique for designing complex integrated circuits using circuit ‘building blocks’ developed by different companies. Electronic files describing each building block are...
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Cloud computing is an emerging model for the delivery and consumption of information technology (IT) resources. Infrastructure-as-a-service cloud providers deliver virtual servers along with network c...
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Removal of heat from electronic circuitry is one of the limiting factors in the design and performance of most computer systems. One current method of heat removal involves using a cone-shaped spray t...
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The most salient feature of wireless communication channels is signal propagation over multiple scattering paths. Although this so-called multipath signal propagation leads to undesirable signal fadin...
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Computer networks function by connecting spatially separated computers with “links” – electrical conductors, fiber optics and radio waves.  The majority of network protocols wor...
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Modern processors and operating systems support virtual memory. Programs running on the system access (read or write) data using virtual addresses that differ from the physical address of the data in ...
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With recent advancements in digital imaging, image sensors have become popular for capturing motion in 3-D. However, measuring small scale motion such as fine hand gestures across a user interface rem...
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Science and engineering education faces important challenges in terms of meeting US workforce needs. The US Bureau of Labor Statistics projects that total employment in science and engineering will in...
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Parallel processing enables simultaneous data processing tasks to increase computational speed. To leverage this capability with multiprocessors, first an ordered multiprocessor program defines the or...
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An optical resonator is an arrangement of optical components that allows a beam of light to circulate in a closed path. Nanoresonators are a type of optical resonator that can effectively concentrate ...
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In a phased-array antenna the relative phases of the signals feeding the antennas are varied in such a way that the effective radiation pattern is reinforced in a desired direction and suppressed in u...
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As mobile devices become smaller, touch screen inputs have remain largely unchanged. But the use of the display as an input surface can become a problem as the user’s finger obstructs increasingly l...
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In radiofrequency (RF) communications systems such as wireless local area networks (LANs) and 3G and 4G mobile networks, multiple input, multiple output (MIMO) technology has been crucial for achievin...
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Assessing new varieties of maize and other crops is time-consuming and costly. Researchers must count and weigh kernels from hundreds of ears of corn to measure yield characteristics such as kernel nu...
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Perhaps surprising to many consumers, the industry that produces compute hardware (microprocessors, graphic units, etc.) is highly disconnected from the industry that produces memory storage hardware ...
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Finite element analysis (FEA) is a tool commonly used by engineers when designing parts and systems using CAD software. FEA tests the mechanical properties of computer-designed parts so that they can ...
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In the field of quantum computing, the performance of quantum bits (‘qubits’) has advanced rapidly in recent years. In contrast to classical two-state binary systems (0 or 1), each qubit can be a ...
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Lamination includes various techniques of manufacturing materials in multiple layers or ‘plies.’ Laminates are commonly used in the automotive, aerospace, medical and consumer industries. A simple...
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