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 14 of 14 for “"Cellular Radio"”.
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Analysis of CDMA cellular radio systems employing adaptive antennas
… of Code Division Multiple Access (CDMA) cellular communication systems employing adaptive antennas at the base station. First, a simple analysis is presented which shows that significant improvements in performance can be obtained by using directional antennas in the mobile-to-base …
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A Game-theoretic Analysis of Link Adaptation in Cellular Radio Networks
In recent years, game theory has emerged as a promising approach to solving the power control problem in wireless networks. This thesis extends the reach of game-theoretic analysis to embrace link adaptation, thereby constituting a generalization of the power control problem. A realistic and …
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On the optimal location of transmitters for micro-cellular radio communication system design
… addressed is an indispensable part of micro-cellular radio system design. It involves an optimal location of radio transmitters, given a distribution of receivers and desired signal characteristics. The study has been conducted with the intent of making this problem an integral part of a CAD …
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Design of Power Amplifier Test Signals with a User-Defined Multisine
Cellular radio communication involves wireless transmission and reception of signals at radio frequencies (RF). Base stations house equipment critical to the transmission and reception of signals. Power amplifier (PA) is a crucial element in base station assembly. PAs are expensive, take up space …
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Implementation of a variable rate vocoder and its performance analysis
… Division Multiple Access (CDMA) technology for cellular radio and personal communications has ushered in a new era wherein the benefits of CDMA can be directly applied to voice transmission. In particular, the resistance to multipath and graceful degradation of performance (voice quality) in the …
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Optical generation of mm-wave signals for use in broadband radio over fiber systems
In future cellular radio networks Radio over Fiber (RoF) is a very attractive technology to deliver microwave and millimeter-wave signals containing broad band multimedia services to numerous base stations of the network. The radio signals are placed on an optical carrier and distributed by means …
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An adaptive multistage interference cancellation receiver for CDMA
… within a CDMA system to be employed at the cellular radio base station. A closed form expression for the probability of bit error for this adaptive multistage interference cancellation receiver is derived, using a Gaussian approximation for Multiple Access Interference (MAI). The Bit Error …
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Interference Aware Cognitive Femtocell Networks
… base stations which are designed to extend the cellular radio range in indoor environments where macrocell coverage is generally poor. They offer significant increases in data rates over a short range, enabling high speed wireless and mobile broadband services, with the femtocell network …
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Radio Resource Management Optimization For Next Generation Wireless Networks
… services and the rapid advancements in the cellular phones industry have led to a tremendous expansion in the wireless market volume. Despite the continuous progress in the radio-access technologies to cope with that expansion, many challenges still remain that need to be addressed by both …
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The re-engineering of VHF mobile radio services in the UK
… necessary for the design of VHF mobile radio systems, and is directed particularly at the requirements of the emergency services of the United Kingdom. It was occasioned by an international regulatory decision to re-allocate part of their existing operating frequencies. This work …
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Radiation Dose Estimation for Pediatric Patients Undergoing Cardiac Catheterization
… risk compared to adults due to their greater cellular radio-sensitivities as well as longer remaining life-expectancy following the radiation exposure. In terms of radiation dosimetry, they are often more challenging due to greater variation in body size, which often triggers a wider range of …
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Analysis and Dynamic Range Enhancement of the Analog-to-Digital Interface in Multimode Radio Receivers
… spawned a multitude of different standards for cellular, PCS, and wireless data. To allow users the ability to access services conforming to disparate standards, multimode handsets capable of software reconfiguration are needed. These "software radios" are distinguished from their traditional …
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An Innovative RAN Architecture for Emerging Heterogeneous Networks: "The Road to the 5G Era"
… evolution (LTE) and LTE-Advanced (LTE-A)) cellular networks to crash. </p> <p>As the conventional approaches of improving the spectral efficiency and/or allocation additional spectrum are fast approaching their theoretical limits, there is a growing consensus that current 3G and 4G …