Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 657 for “"Multiplexing"”.
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Code-division multiplexing
(cont.) counterpart. Among intra-cell orthogonal schemes, we show that the most efficient broadcast signal is a linear superposition of many binary orthogonal waveforms. The information set is also binary. Each orthogonal waveform is generated by modulating a periodic stream of finite-length chip …
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Multiplexing cell-cell communication
The engineering of advanced multicellular behaviors, such as the programmed growth of biofilms or tissues, requires cells to communicate multiple aspects of physiological information. Unfortunately, few cell-cell communication systems have been developed for synthetic biology. In this work, I …
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Orthogonal Frequency Division Multiplexing Modelling
… the performance of Orthogonal Frequency Division Multiplexing (OFDM) and Filterbank Multicarrier (FBMC). Multicarrier techniques are widely being considered for the development of the telecommunication systems such as the Long Term Evolution (LTE) networks, 5th Generation (5G) and beyond. One of …
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Magnetothermal multiplexing for biomedical applications
… and particle volume. "Magnetothermal multiplexing," which relies on selecting materials with substantially distinct optimal AMF conditions, enables the selective heating of different kinds of collocated MNPs by applying different AMF parameters. This effect has the potential to extend …
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Orthogonal Generalized Frequency Division Multiplexing (OGFDM)
… as orthogonal generalized frequency division multiplexing (OGFDM) for increasing the wireless channel capacity without the need for extra bandwidth (BW) size or power consumption. The new wireless waveform (OGFDM) tends to obtain a better BW efficiency which in turn can increase highly the …
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Spectrum-Aware Orthogonal Frequency Division Multiplexing
Reconfigurable computing architectures are well suited for the dynamic data flow processing requirements of software-defined radio. The software radio concept has quickly evolved to include spectrum sensing, awareness, and cognitive algorithms for machine learning resulting in the cognitive radio …
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Wavelength division multiplexing technology and systems
Wavelength Division Multiplexed (WDM) based broadband fiber optic networks offer an attractive approach to achieve extremely high throughputs while employing moderate speed electronics. Passive optical filters play a crucial role in such networks serving the function of combining and separating …
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Polarization Division Multiplexing for Optical Data Communications
… optical communications, with spatial division</p>multiplexing (separate physical paths) and wavelength division multiplexing (separate optical</p>wavelengths) being the most common forms. In this research work, we investigate the viability</p>of polarization division multiplexing, the separation …
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Statistical multiplexing for MPEG-2 video streams
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Digital frequency-division multiplexing using Josephson junctions
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1980.
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Intracellular sensor spatial multiplexing via RNA scaffolds
To circumvent the limitations of spectrally multiplexing sensors, fluorescent sensors are clustered by type and spatially separated in the cytoplasm to avoid cross-talk. Each sensor is fused to an orthogonal viral capsid protein that binds to a long, repetitive strand of its corresponding RNA …
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Dual channel bidirectional wavelength division multiplexing datalink
Wavelength division multiplexing two channels on one fiber is one approach that enables us to make use of the extremely large bandwidth of optical fibers. We start with an analysis of optical fibers, sources, detectors, filters and wavelength division ,multiplexers. Then, using the knowledge from …
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Optical packet networking using optical time division multiplexing.
… has concentrated on wavelength-division multiplexing (WDM). Optical time-division multiplexing (OTDM), which offers advantages over WDM networks, is considered as an alternative to WDM for future networks proving a single stream data rates of 100 Gb/s using a single wavelength. In such …
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Effective modeling of advanced filters and multiplexing networks
Microwave filters and multiplexers are widely used in all types of electronic systems. This research focuses on advanced filters and multiplexers for applications in communication satellites with stringent requirements and specifications. Conventional modeling techniques are typically either based …
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A performance analysis of wireless ATM multiplexing system
… channel error characteristics on a wireless ATM multiplexing system. The main characteristic of such a channel is that its error behavior is time-varying, with periods of low error rate ( Good ) transmission alternating with periods of high error rates ( Bad ) transmission. This variability is …
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Implementation of Orthogonal Frequency Division Multiplexing with FPGA
… area network. Orthogonal frequency division multiplexing (OFDM) has been widely used in IEEE802.11 wireless local area network and fourth generation network. This paper will focus on the design and implementation of an Orthogonal Frequency Division Multiplexing system on field-programmable …
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