Browsing Electrical Communication Engineering (ECE) by Title
Now showing items 321-340 of 492
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Optimal routing and rate allocation problems in packet networks with QoS support
This thesis explores some of the issues that arise in the provisioning of Quality of Service (QoS) guarantees to applications in the Internet. In order to meet the QoS requirements of connections, the Internet needs to be ... -
Optimal Scheduling For Balancing Queue Lengths
(2012-02-22) -
Optimal Self-Organisation Of Ad Hoc Wireless Sensor Networks
(2011-05-13) -
Optimized neural network dichotomizer for speech recognition
Among the various neural network architectures and learning algorithms that have emerged recently, multilayer perceptron (MLP) network using backpropagation learning is found most effective for speech recognition due to ... -
Optimum Event Detection In Wireless Sensor Networks
(2013-06-12)We investigate sequential event detection problems arising in Wireless Sensor Networks (WSNs). A number of battery–powered sensor nodes of the same sensing modality are deployed in a region of interest(ROI). By an event ... -
OTFS Modulation in MIMO Visible Light Communication Systems
Visible light communication (VLC) technology is emerging as an attractive technology for wireless communication in indoor and vehicular environments. In VLS systems, light emitting diodes (LED) and photo diodes (PD) ... -
OTFS Transceivers Design using Deep Neural Networks
Next generation wireless systems are envisioned to provide a variety of services with a wide range of performance requirements. Particularly, demand for high-mobility use cases involving high-speed trains, UAVs/drones, and ... -
Packet Scheduling on the Wireless Channel
(2017-12-07)Scheduling has always been an indispensable part of resource allocation in wireless networks. Accurate information about channel-state is assumed as a modeling simplification. However, in a real-life network ,e.g., Long ... -
Passive localization of sound sources in shalow water simulation studies.
Array processing techniques for source localization in shallow waters can be classified as: i) Time delay estimation (TDE) techniques, and ii) High resolution (HR) methods. Time delay estimation techniques are two-step ... -
PC. base interferometer for radio astronomy
5.1 Review As shown in the previous chapters through analytical, design, and experimental studies, the PC?based DAS is a very useful building block in radio interferometry. This has enabled the development of a PC?based ... -
Perceptual Quality Assessment of Lowlight Restored and Authentically Distorted Images
The capability of hand-held devices to acquire high-definition visual content has led to a tremendous increase in the number of images and videos captured daily. However, camera hardware and pipelines are not perfect and ... -
Performance analysis and optimization of scheduling in high speed input queuing cell switches
It is well known that the phenomenon of Head-of-the-Line (HOL) blocking limits the maximum achievable throughput of a pure Input Queuing cell switch (in which there is only one queue at each input that buffers all the cells ... -
Performance Analysis Of A Variation Of The Distributed Queueing Access Protocol
(Indian Institute of Science, 2005-10-04)"A distributed queueing Medium Access Control (MAC) protocol is used in Distributed Queue Dual Bus (DQDB) networks. A modified version of the MAC protocol was proposed by R.R. Pillai and U. Mukherji in an attempt to overcome ... -
Performance analysis of multi image subspace algorithm for source localization in shallow water
In this thesis, the performance analysis of a subspace method for source localization (range and depth) in shallow water is discussed. The performance of a subspace method naturally depends on the quality of the subspace ... -
Performance Analysis Of Multicarrier DS-CDMA Systems
(2011-05-13) -
Performance Analysis Of Multiuser/Cooperative OFDM Systems With Carrier Frequency And Timing Offsets
(2011-02-03)Multiuser and cooperative orthogonal frequency division multiplexing(OFDM) systems are being actively researched and adopted in wireless standards, owing to their advantages of robustness to multipath fading, modularity, ... -
Performance analysis of MVDR beamformer in finite data: with and without spacial smoothing.
In an MVDR beamformer, the array weights are chosen to pass the desired directional (look direction) signal without distortion while maximally rejecting interfering signals. The only assumption made is that the desired ... -
Performance Analysis of Opportunistic Selection and Rate Adaptation in Time Varying Channels
(2017-11-09)Opportunistic selection and rate adaptation play a vital role in improving the spectral and power efficiency of current multi-node wireless systems. However, time-variations in wireless channels affect the performance of ... -
Performance Analysis of Orthogonal Time Frequency Space Modulation in High-Doppler Channels
Next generation wireless systems are envisioned to offer dependable and consistent user experience across a wide range of environments, including high-mobility scenarios involving high-speed trains, aircrafts, and ... -
Performance Analysis Of Post Detection Integration Techniques In The Presence Of Model Uncertainties
(2013-07-10)In this thesis, we analyze the performance of the Post Detection Integration (PDI) techniques used for detection of weak DS/CDMA signals in the presence of uncertainty in the frequency, noise variance and data bits. Such ...