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 10 of 10 for “"wireless telecommunication"”.
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Strengthening Security Foundations in Next-G Wireless Telecommunication Systems
… however, it is also increasing the complexity of wireless networks, particularly in the case of the sixth generation (6G) mobile communications standard. The use of different technologies in these networks poses an increasing challenge and increases the risk of security threats and …
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Global investments for sustainable growth in the wireless telecommunication industry
… population-based penetration rate of Japanese wireless phones now exceeds 70%, and the market is approaching saturation. Tariff reduction battles have occurred among competitors since the introduction of flat rate packages in 2004. Furthermore, this competitive environment will become even more …
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A framework for global business strategy planning for the wireless telecommunication carrier
… cellular telephone system was launched, the Wireless Telecommunication industry has evolved drastically. Its technology and service are now in third generation: 3G, and already moving forward to 4G. Within a few years, it will enable the exchange of multimedia contents with huge digital data …
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A Spatial Decision Support System for Planning Broadband, Fixed Wireless Telecommunication Networks
Over the last two decades, wireless technology has become ubiquitous in the United States and other developed countries. Consumer devices such as AM/FM radios, cordless and cellular telephones, pagers, satellite televisions, garage door openers, and television channel changers are just some of the …
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Development and Implementation of Wireless Telecommunication Systems a Collection of Relevant Hardware and Software Patents
Modern telecommunication systems and standards are mainly dependent on the availability of digital signal processing capabilities of appropriate hardware components. Two main categories can be distinguished in the development of digital signal processing units. On the one hand a number of general …
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Channel Impulse Response and Its Relationship to Bit Error Rate at 28 GHz
… lives are at stake. Virginia Tech's Center for Wireless Telecommunication has developed a prototype of a rapidly deployable high bandwidth wireless communication system at 28 GHz (Local Multipoint Distribution Service frequency). This system provides a large bandwidth radio link to a disaster …
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A discrete RET Model for Micro- and Millimetre Wave Propagation through Vegetation
… is a widespread anticipation that the demand for wireless telecommunication systems will continue to expand in the foreseeable future. Such systems rely in their planning, design and implementation on the availability of radiowave propagation models. In the particular case of land mobile radio …
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Radio Characterisation of Single Trees at Micro- and Millimetre Wave Frequencies
Wireless Communications are revolutionising personal and telecommunications services and the way in which they are utilised. Overall growth in cellular, fixed and satellite communication system markets in recent years has exceeded expectations. There is a widespread anticipation that customer …
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Using Light Detection and Ranging (LiDAR) Imagery to Model Radio Wave Propagation
… to transmit information via higher frequency wireless equipment requires a near LOS path between the transmitter and the antenna receiving the signal. USGS DEMs, commonly used in GIS programs to predict communication viewsheds (commsheds), represent the bare earth topography and do not reflect …
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Τεχνικές βελτιστοποίησης της ποιότητας των παρεχομένων υπηρεσιών (QoS) με έλεγχο κρίσιμων ηλεκτρικών και ηλεκτρομαγνητικών παραμέτρων στα σύγχρονα ασύρματα τηλεπικοινωνιακά συστήματα
Στην παρούσα διδακτορική διατριβή προτείνονται τεχνικές για την βελτιστοποίηση της ποιότητας των παρεχομένων υπηρεσιών στους χρήστες σύγχρονων ασύρματων τηλεπικοινωνιακών συστημάτων που ως τεχνολογίες πρόσβασης έχουν την πολλαπλή πρόσβαση ορθογωνικής διαίρεσης συχνότητας και την πολλαπλή πρόσβαση …