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Optical Wavelength Division Multiplex
Kavický, Martin ; Křepelka, Václav (referee) ; Filka, Miloslav (advisor)
This bachelor's thesis is orientated to problems about optical networks and possibilities of transmision more than one optical mode trough single fibre. Components, which create optical path, are described there. I was concerned with kinds of fiber couplers, optical multipexors and demultiplexers, proper souces and receivers of optical radiation, possible optical amplifiers and in not least turn single types of wavelenght division multiplexing. In practical part I propose possible ways of verification of activity of wavelenght division multiplexing and optical path components, as is EDFA amplifier, or circulator. As insertion of thesis, I created concept of active task, in which will students meat with meassuring optical power after way through EDFA amplifier, which they will tune.
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Analysis of the effect of delay and window size on TCP connection efficiency
Kavický, Martin ; Komosný, Dan (referee) ; Molnár, Karol (advisor)
Content of master’s thesis is description field of Sliding window and it’s expansion algorithms, witch are Slow start, Congestion avoidance, Fast Retransmit and Fast Recovery algorithm. Thereinafter is described creation of model in Opnet Modeler’s simulation area. In this simulation area was analyzed reactions of average transfer speed onto variance of data size, lost ratio, latency in short and long time slot and variance of receiver’s buffer size. In last section of this document is method design witch makes it possible of transfer speed control through the use of receiver’s buffer size dynamic setting.
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Optical Wavelength Division Multiplex
Kavický, Martin ; Křepelka, Václav (referee) ; Filka, Miloslav (advisor)
This bachelor's thesis is orientated to problems about optical networks and possibilities of transmision more than one optical mode trough single fibre. Components, which create optical path, are described there. I was concerned with kinds of fiber couplers, optical multipexors and demultiplexers, proper souces and receivers of optical radiation, possible optical amplifiers and in not least turn single types of wavelenght division multiplexing. In practical part I propose possible ways of verification of activity of wavelenght division multiplexing and optical path components, as is EDFA amplifier, or circulator. As insertion of thesis, I created concept of active task, in which will students meat with meassuring optical power after way through EDFA amplifier, which they will tune.
|
|
|
Analysis of the effect of delay and window size on TCP connection efficiency
Kavický, Martin ; Komosný, Dan (referee) ; Molnár, Karol (advisor)
Content of master’s thesis is description field of Sliding window and it’s expansion algorithms, witch are Slow start, Congestion avoidance, Fast Retransmit and Fast Recovery algorithm. Thereinafter is described creation of model in Opnet Modeler’s simulation area. In this simulation area was analyzed reactions of average transfer speed onto variance of data size, lost ratio, latency in short and long time slot and variance of receiver’s buffer size. In last section of this document is method design witch makes it possible of transfer speed control through the use of receiver’s buffer size dynamic setting.
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