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 294 for “"Base Station"”.
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Reinforcement learning for dynamic aerial base station positioning
… aerial vehicles (UAVs) can be used as aerial base stations or relays to help form a connected network amongst users. Since users are likely to be constantly mobile, the problem of where these UAVs are placed and how they move in response to the changing environment could have a large effect on …
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Base station design for a wireless microsensor system
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Pattern reconfigurable metamaterial antenna for 5G base station network
… antennas are proposed to be used in 5G base station network with advantages of high deflection angles, gain enhancement, low profile structure, low cost, lightweight, and easy integration with other circuits for 5G beam deflection applications.
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Scalable base station switching framework for green cellular networks
… new techniques including dense deployment of base stations (BSs) in order to support high data rate services and high user density, but also to reduce the operating costs and energy consumption of various network elements. To solve these challenges, powering down certain BSs during low-traffic …
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On-Demand Relay Communication Infrastructure for Base Station Connectivity
… taken simultaneously: (a) installing multiple base stations (BSs) to increase the coverage of the command center; (b) dropping relays to further extend the connectivity to BSs, especially when terminals are far away from BSs. In this thesis, we study various algorithms to determine the optimal …
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Implementing a wireless base station for a sensor network
… selection of a computer device to serve as the base station.
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A base station smart antenna system for CDMA cellular
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Optimisation of hybrid micro-grid system for LTE base station
Submitted in the fulfilment of the requirements for the degree of Master of Engineering in Electrical Power Engineering, Durban University of Technology, Durban, South Africa, 2020.
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Mutual Coupling Reduction Techniques for Multi-band Base Station Antennas
… populated dual-polarized broadband multi-band base station antenna (BSA) arrays for improved radiation characteristics. Array face densification without the proposed techniques leads to undesirable interactions between arrays and radome cover. This research is supported by extensive full-wave …
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Providing Location Privacy to Base Station in Wireless Sensor Networks
… security issues in WSNs - Location privacy of Base station(BS) in a WSN. Weproposed three novel methods- BLAST, APCAPT and hybrid method that combinesthe two techniques to provide location privacy to the Base station using power control(varying the power with which sensor nodes transmit their …
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Efficiency Enhancement of Base Station Power Amplifiers Using Doherty Technique
… point. This PA can be implemented in WCDMA base station transmitter.
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Distribution power level by GSM900 base station for RF energy harvesting
A development in nano-technology allows the creation electronic equipment operating at microwave frequency. Rectenna is a high gain antenna receiver that's good in rectifiers able to converse radio frequency (RF) energy to DC (direct current) power is an evidence of achievement in the field of …
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Software-Defined Mobility Management and Base Station Control for Green Cellular Networks
… deployments and large energy consumption of base stations, it is integral to devise schemes to improve energy efficiency in cellular networks. We propose a virtualized network function of cell management on an SDN architecture. We develop a cell management algorithm on the architecture that …
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Energy-efficient strategies with base station power management for green wireless networks
… We first study the relationships between the base station (BS) on/off operation and traffic distribution. A cooperative power saving method called clustering BS-off (CBSO) scheme is proposed. Instead of adopting a unified and consistent BS-off scheme in the whole network, the proposed …
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Efficiency Improvement of WCDMA Base Station Transmitters using Class-F power amplifiers
… costs and causes thermal heating issues in base station transmitters. Thus the power amplifier designer is forced to trade-off between linearity and efficiency. As a result of this trade-off a Class-AB power amplifier is most often used in QPSK based systems. Class-AB power amplifiers …
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An implementation of an AMPS digital base station with adaptive Automatic Gain Control
… mobile transmit power, mobile distance from the base station, mobile transmit frequency, and transmitting and receiving antenna characteristics. Given a high-resolution, wideband, uniform and symmetric quantizer, optimal gain factors are computed for uniformly-, sinusoidally- and …
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Embedded low-power wireless sensor system : design of a software radio base station
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Ultra low-power wireless sensor demonstration system : design of a wireless base station
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Smart Base Station Antenna Performance for Several Scenarios - an Experimental and Modeling Investigation
… systems. Understanding of the smart base antenna performance mechanisms for various environments is important to design cost effective systems and network. This dissertation focuses on the experimental characterization and modeling of the smart base station antenna performance for …
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