content introduction data collection data analysis and discussion database and webpage oscillator...
TRANSCRIPT
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Content • Introduction• Data collection• Data analysis and discussion• Database and webpage• Oscillator design• SWOT analysis• Future Work
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Introduction
• Data traffic exchanged over the Internet is increasing rapidly.• New services are released everyday.• Demands are rising to provide high bitrates everywhere.
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IOTV• It is a project that aims to transmit Internet wirelessly over TV
band using Cognitive Radio technique, and utilizing the white space. In order to cover rural and remote areas.
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Definitions• Licensed band :
no one can transmit over this band but the authorized one.
• Unlicensed band : anyone can transmit over this band under strict specifications.
• White spaces :frequencies allocated to broadcast services but are not used.
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Cognitive radio• Smart way of accessing the spectrum
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Our work!!
• Developing the real field TV spectrum usage database and provide it as online service for public access and analyze the data. • Design and simulation of a 2-GigaByte
microwave oscillator which represents a key function in the final hardware design
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Data Collection
• We Chose Nablus as our target.
• we have divided it into two main parts:
I. the villages surrounding the city, which were divided into four categories according to location from Nablus city, South, West, North, and East.
II. the city itself and within existing neighborhoods.
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• To locate points of measurement we took into account:
• Size of the area
• Distribution of population
• Diversity of terrain
Data Collection
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• For Example:Beit Furik:The village of Bet Forik 7 kilometers east of the city of Nablus, with a residential area
of 18 KM2 ,reaching a population of 11740 people in 2013.
Data Collection
Height541 m
Height602 m
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Data Collection
• After we choose the appropriate measurement sites:
Nablus
Divided To
38 Measurement
points
We measured In
In
N
E
S
W
28 Regions
VerticalPolarization
HorizontalPolarization
We now have 304 readingsIn each reading we measured the power of 50 channels distributed over a 400-800 MHz Spectrum.
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For this phase of the project we have used spectrum analyzer and a Yagi Uda Antenna .
Equipment
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Data Analysis
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Nablus Spectrum measurement, averaged over all the directions
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Data discussion• We can classified all result into three main categories :1. Band width less than 8MHz.2. Band width equal 8MHz.3. Band width 100KH.
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Our designed Data Base
Contains:
1- login table
2- users table
3- locations table
4- power table
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Oscillator
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Design
𝛤 𝐼𝑁 𝛤 𝐿=1
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SWOT AnalysisS
TRENGTHS
WEAKNESSES
OPPORTUNITIES
THREATS
• Professional well-trained team.
• The results of this phase are valuable resource for researchers, companies...etc
• The real TV spectrum usage database is the first of its type in Palestine
• Well equipped. • Competitive.
• Political and occupational restrictions
• It is difficult to determine the origin and the type of signals we have detected.
• Existence of free spectrum for utilization.
• The absence of broadband internet services in rural areas.
• Switching to digital TV, this will free up more spectrum to be used.
• Absence of rules and regulations about channels allocation.
• Occupation.
Negative
Internal factors
Externalfactors
Positive
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Future work
• Complete the Database.
• Build the complete system.
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Thank you