36 Ghassemlooy PPTs View free & download

M' F' Chiang, Z' Ghassemlooy, Wai Pang Ng, PowerPoint PPT Presentation

M' F' Chiang, Z' Ghassemlooy, Wai Pang Ng, - ... the routing table from a binary RZ into a pulse position modulation (PPM) format. The size of the PPM routing table is significantly reduced. ...

... the routing table from a binary RZ into a pulse position modulation (PPM) format. The size of the PPM routing table is significantly reduced. ...

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H' LeMinh, Z' Ghassemlooy, W'P' Ng' and R' Ngah PowerPoint PPT Presentation

H' LeMinh, Z' Ghassemlooy, W'P' Ng' and R' Ngah - Northumbria University, Newcastle, UK. http://soe.unn.ac.uk/ocr/ TOAD Switch ... Both control pulses simultaneously excite SOA from both directions. ...

Northumbria University, Newcastle, UK. http://soe.unn.ac.uk/ocr/ TOAD Switch ... Both control pulses simultaneously excite SOA from both directions. ...

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Double Side Band Supressed Carrier PowerPoint PPT Presentation

Double Side Band Supressed Carrier - Noise in Communication Systems Professor Z Ghassemlooy Electronics and IT Division School of Engineering Sheffield Hallam University U.K. Contents Interference Types ...

Noise in Communication Systems Professor Z Ghassemlooy Electronics and IT Division School of Engineering Sheffield Hallam University U.K. Contents Interference Types ...

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ALL-OPTICAL PACKET HEADER PROCESSING SCHEME BASED ON PULSE POSITION MODULATION IN PACKET-SWITCHED NETWORKS PowerPoint PPT Presentation

ALL-OPTICAL PACKET HEADER PROCESSING SCHEME BASED ON PULSE POSITION MODULATION IN PACKET-SWITCHED NETWORKS - all-optical packet header processing scheme based on pulse position modulation in packet-switched networks z. ghassemlooy, h. le minh, wai pang ng

all-optical packet header processing scheme based on pulse position modulation in packet-switched networks z. ghassemlooy, h. le minh, wai pang ng

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Angle Modulation PowerPoint PPT Presentation

Angle Modulation - 25 kHz, TV sound broadcast. 5 kHz, 2-way mobile radio. 2.5 kHz, 2-way mobile radio ... trigonometric series, which gives Bessel Function Coefficient as: Z. Ghassemlooy ...

25 kHz, TV sound broadcast. 5 kHz, 2-way mobile radio. 2.5 kHz, 2-way mobile radio ... trigonometric series, which gives Bessel Function Coefficient as: Z. Ghassemlooy ...

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Crosstalk suppression in an alloptical symmetric MachZehnder SMZ switch employing unequal control pu PowerPoint PPT Presentation

Crosstalk suppression in an alloptical symmetric MachZehnder SMZ switch employing unequal control pu - Long walk-off time. Prof. Z. Ghassemlooy, IST2005, Shiraz, Iran. All-optical Switches contd. ... Improved crosstalk characteristic ...

Long walk-off time. Prof. Z. Ghassemlooy, IST2005, Shiraz, Iran. All-optical Switches contd. ... Improved crosstalk characteristic ...

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Comparison of Q Routing and Shortest Path Algorithms PowerPoint PPT Presentation

Comparison of Q Routing and Shortest Path Algorithms - Comparison of Q Routing and Shortest Path Algorithms Firat Tekiner, Z Ghassemlooy Optical Communications Research Group University of Northumbria, UK

Comparison of Q Routing and Shortest Path Algorithms Firat Tekiner, Z Ghassemlooy Optical Communications Research Group University of Northumbria, UK

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Simulation of Communication Systems PowerPoint PPT Presentation

Simulation of Communication Systems - 1. Simulation of Communication Systems. Professor Z. Ghassemlooy ... High speed, precession and accuracy. Hidden source code Up to date library ...

1. Simulation of Communication Systems. Professor Z. Ghassemlooy ... High speed, precession and accuracy. Hidden source code Up to date library ...

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Mobile Communication Systems PowerPoint PPT Presentation

Mobile Communication Systems - Mobile Communication Systems Part III- Traffic Engineering Professor Z Ghassemlooy Scholl of Computing, Engineering and Information Sciences University of Northumbria

Mobile Communication Systems Part III- Traffic Engineering Professor Z Ghassemlooy Scholl of Computing, Engineering and Information Sciences University of Northumbria

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CHARACTERISATION OF A NOVEL DUALCONTROL TOAD SWITCH PowerPoint PPT Presentation

CHARACTERISATION OF A NOVEL DUALCONTROL TOAD SWITCH - A NOVEL DUAL-CONTROL TOAD SWITCH. H Le-Minh, Z Ghassemlooy, and W P Ng ... TOAD Switch. Short fibre loop as the optical interferometer: by the ... TOAD switch ...

A NOVEL DUAL-CONTROL TOAD SWITCH. H Le-Minh, Z Ghassemlooy, and W P Ng ... TOAD Switch. Short fibre loop as the optical interferometer: by the ... TOAD switch ...

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Creating a New School of Informatics, Engineering and Technology - Creating a New School of Informatics, Engineering and Technology

Creating a New School of Informatics, Engineering and Technology

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Parallel Optical All Pass Filter Equalisers and Implementation by Wisit Loedhammacakra Supervision t PowerPoint PPT Presentation

Parallel Optical All Pass Filter Equalisers and Implementation by Wisit Loedhammacakra Supervision t - Optical All Pass Filter Equaliser 1. Phases of SMF, Rectangular and ... The phase response of the ideal equaliser is used as the optimisation criterion. ...

Optical All Pass Filter Equaliser 1. Phases of SMF, Rectangular and ... The phase response of the ideal equaliser is used as the optimisation criterion. ...

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ALLOPTICAL PACKET HEADER PROCESSING SCHEME BASED ON PULSE POSITION MODULATION IN PACKETSWITCHED NETW PowerPoint PPT Presentation

ALLOPTICAL PACKET HEADER PROCESSING SCHEME BASED ON PULSE POSITION MODULATION IN PACKETSWITCHED NETW - Optical Communication Network (OCN) Solution: All-optical processing & switching. 1P ... Each new pulse-position routing table (PPRT) entry has optical pulses at the ...

Optical Communication Network (OCN) Solution: All-optical processing & switching. 1P ... Each new pulse-position routing table (PPRT) entry has optical pulses at the ...

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Design of an Optical Wireless Transmission Link PowerPoint PPT Presentation

Design of an Optical Wireless Transmission Link - Design of an Optical Wireless Transmission Link Student Name: Wen Zu Instructor: Dr.Xavier N. Fernando

Design of an Optical Wireless Transmission Link Student Name: Wen Zu Instructor: Dr.Xavier N. Fernando

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Design of an Multi-Gbp Optical Wireless Transmission Link PowerPoint PPT Presentation

Design of an Multi-Gbp Optical Wireless Transmission Link - Design of an Multi-Gbp Optical Wireless Transmission Link EE8114 Student Name: Wen Zu

Design of an Multi-Gbp Optical Wireless Transmission Link EE8114 Student Name: Wen Zu

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Double Side Band Supressed Carrier - frequency and phase as that of the. carrier signal at the transmitter. 2 ... For transmitting stereo information in FM sound broadcast. at VHF ...

frequency and phase as that of the. carrier signal at the transmitter. 2 ... For transmitting stereo information in FM sound broadcast. at VHF ...

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Simulation of All-Optical Recirculating Fibre Loop Buffers employing Soliton Pulses and Optical Regeneration PowerPoint PPT Presentation

Simulation of All-Optical Recirculating Fibre Loop Buffers employing Soliton Pulses and Optical Regeneration - BER verses received power for different values of Rp ... University of the West Indies. Thank You. VPI Systems. TM. Questions? ...

BER verses received power for different values of Rp ... University of the West Indies. Thank You. VPI Systems. TM. Questions? ...

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Simulations of All-Optical Multiple-Input AND-Gate Based on Four Wave Mixing in a Single Semiconductor Optical Amplifier PowerPoint PPT Presentation

Simulations of All-Optical Multiple-Input AND-Gate Based on Four Wave Mixing in a Single Semiconductor Optical Amplifier - Optical Communications Research Group, NCRLab. Northumbria University, ... Photonic Network Transparency. High-speed all ... selected from one of these ...

Optical Communications Research Group, NCRLab. Northumbria University, ... Photonic Network Transparency. High-speed all ... selected from one of these ...

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Performance Comparison of VOQ Selection Policies in Scalable Packet Switches PowerPoint PPT Presentation

Performance Comparison of VOQ Selection Policies in Scalable Packet Switches - Performance Comparison of VOQ Selection Policies in Scalable ... Reservation with Pre-emption and Acknowledgement, belongs to MWM class. O(N2) RPA [Marsan-99] ...

Performance Comparison of VOQ Selection Policies in Scalable ... Reservation with Pre-emption and Acknowledgement, belongs to MWM class. O(N2) RPA [Marsan-99] ...

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The Antnet Routing Algorithm A Modified Version PowerPoint PPT Presentation

The Antnet Routing Algorithm A Modified Version - Optical Communications Research Group, The University of Northumbria, ... protects their nests. Sorts brood and ... paths to their nests or food source ...

Optical Communications Research Group, The University of Northumbria, ... protects their nests. Sorts brood and ... paths to their nests or food source ...

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Ultrafast All-optical Self Clock Extraction based on Two Inline Symmetric Mach-Zehnder Switches PowerPoint PPT Presentation

Ultrafast All-optical Self Clock Extraction based on Two Inline Symmetric Mach-Zehnder Switches - Issues: Requiring higher-speed synchronization, processing and switching ... the followed pulses results in a higher on/off contrast ratio in extracted clock ...

Issues: Requiring higher-speed synchronization, processing and switching ... the followed pulses results in a higher on/off contrast ratio in extracted clock ...

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Sigmoid Function Based Dynamic Threshold Scheme for SharedBuffer Switches PowerPoint PPT Presentation

Sigmoid Function Based Dynamic Threshold Scheme for SharedBuffer Switches - Employs sigmoid function to determine fullness. Unlike DT, it employs multiple thresholds ... Sigmoid Function Threshold (Fuzzy Threshold) uses the notion of fullness ...

Employs sigmoid function to determine fullness. Unlike DT, it employs multiple thresholds ... Sigmoid Function Threshold (Fuzzy Threshold) uses the notion of fullness ...

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All-optical Packet Router Employing PPM Header Processing PowerPoint PPT Presentation

All-optical Packet Router Employing PPM Header Processing - CP 1 CP 2 CP M Port 1 Port 2 Port M Multiple PPRT Generator All-optical Switch &M Clock Extraction Header Extraction PPM Add. Conversion OSWC ...

CP 1 CP 2 CP M Port 1 Port 2 Port M Multiple PPRT Generator All-optical Switch &M Clock Extraction Header Extraction PPM Add. Conversion OSWC ...

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Signal Detection and Adaptive Equalization Using Discrete Wavelet Transform Artificial Neural Networ PowerPoint PPT Presentation

Signal Detection and Adaptive Equalization Using Discrete Wavelet Transform Artificial Neural Networ - Signal Detection and Adaptive Equalization Using Discrete Wavelet Transform ... log-sigmoid, tan-sigmoid. ANN training algorithm. Scaled conjugate gradient algorithm ...

Signal Detection and Adaptive Equalization Using Discrete Wavelet Transform ... log-sigmoid, tan-sigmoid. ANN training algorithm. Scaled conjugate gradient algorithm ...

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Investigation of Optical All Pass Filter to Compensate Chromatic Dispersion in a 10Gbs Optical Commu PowerPoint PPT Presentation

Investigation of Optical All Pass Filter to Compensate Chromatic Dispersion in a 10Gbs Optical Commu - ... Phase Response of the Ideal Equaliser. The phase response of ideal equaliser is used as the optimisation criterion ... Eye Pattern of 160 km without Equaliser ...

... Phase Response of the Ideal Equaliser. The phase response of ideal equaliser is used as the optimisation criterion ... Eye Pattern of 160 km without Equaliser ...

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Novel Cascaded Chaotic Masking for Secure Communications PowerPoint PPT Presentation

Novel Cascaded Chaotic Masking for Secure Communications - Chaotic signal has a broadband spectrum, hence the presence of information does ... Chaotic signal are aperiodic therefore limited predictability. ...

Chaotic signal has a broadband spectrum, hence the presence of information does ... Chaotic signal are aperiodic therefore limited predictability. ...

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DHPIM Employing LMSE Equalisation For Indoor Optical Wireless Communications PowerPoint PPT Presentation

DHPIM Employing LMSE Equalisation For Indoor Optical Wireless Communications - Overview of Optical Wireless Communications (OWC) Modulation ... Isochronous. Anisochronous. Isochronous. Anisochronous. PSM. PAM. PIM. PIWM. PFM. SWFM. PWM ...

Overview of Optical Wireless Communications (OWC) Modulation ... Isochronous. Anisochronous. Isochronous. Anisochronous. PSM. PAM. PIM. PIWM. PFM. SWFM. PWM ...

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Investigation of antnet routing algorithm by employing multiple ant colonies for packet switched net PowerPoint PPT Presentation

Investigation of antnet routing algorithm by employing multiple ant colonies for packet switched net - Investigation of antnet routing algorithm by employing multiple ... and protects their nests. Sorts brood and ... shortest paths to their nests or food source ...

Investigation of antnet routing algorithm by employing multiple ... and protects their nests. Sorts brood and ... shortest paths to their nests or food source ...

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Performance of Diffuse Indoor Optical Wireless Links Employing Neural and Adaptive Linear Equalizers PowerPoint PPT Presentation

Performance of Diffuse Indoor Optical Wireless Links Employing Neural and Adaptive Linear Equalizers - Performance of Diffuse Indoor Optical Wireless Links Employing Neural and ... efficient modulation techniques/holographic diffuser/ Transreceiver at 1500 nm band ...

Performance of Diffuse Indoor Optical Wireless Links Employing Neural and ... efficient modulation techniques/holographic diffuser/ Transreceiver at 1500 nm band ...

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Investigation of Control Pulse Power Effects on Alloptical SMZ Switch Performance PowerPoint PPT Presentation

Investigation of Control Pulse Power Effects on Alloptical SMZ Switch Performance - Terahertz Optical Asymmetric Demultiplexer (TOAD) Symmetric Mach-Zehnder (SMZ) ... TOAD: Closed loop with a nonlinear semiconductor optical amplifier (~mm) ...

Terahertz Optical Asymmetric Demultiplexer (TOAD) Symmetric Mach-Zehnder (SMZ) ... TOAD: Closed loop with a nonlinear semiconductor optical amplifier (~mm) ...

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Mobile Communication Systems - ... (1G = analog, 2G = digital ... Hybrid Type II ARQ Frequency Hopping Optional Optional Dynamic Channel Allocation Optional Optional Note: the modulation ...

... (1G = analog, 2G = digital ... Hybrid Type II ARQ Frequency Hopping Optional Optional Dynamic Channel Allocation Optional Optional Note: the modulation ...

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Optical Fibre Communication Systems PowerPoint PPT Presentation

Optical Fibre Communication Systems - Lecture 5 Optical Amplifier. Optical Communications Research Group ... Polarization Sensibility. Noise figure (SNRi/SNRo) Gain Flatness. Types ...

Lecture 5 Optical Amplifier. Optical Communications Research Group ... Polarization Sensibility. Noise figure (SNRi/SNRo) Gain Flatness. Types ...

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Mobile Communication Systems - Mobile and Data Communications Systems, D Wong, D Britland, Pub: Artech House ... Radio waves at low frequencies can diffract (bend) around object quit. well ...

Mobile and Data Communications Systems, D Wong, D Britland, Pub: Artech House ... Radio waves at low frequencies can diffract (bend) around object quit. well ...

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Mobile Communication Systems - The resource could be: high speed optical fibre links between continents ... European name for third generation (3G) radio system ...

The resource could be: high speed optical fibre links between continents ... European name for third generation (3G) radio system ...

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Mobile Communications PowerPoint PPT Presentation

Mobile Communications - ... can be expressed as a sum ... Is a frequency selective phenomenon. ... Spectral chara. of transmitted. signal not preserved. Multipath components resolved ...

... can be expressed as a sum ... Is a frequency selective phenomenon. ... Spectral chara. of transmitted. signal not preserved. Multipath components resolved ...

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Experimental Diffuse Infrared Link Employing DPIM Signalling PowerPoint PPT Presentation

Experimental Diffuse Infrared Link Employing DPIM Signalling - School of Computing, Engineering & Information Sciences ... Isochronous. PIWM. PIM. PFM. SWFM. PWM. PPM. MDPIM. CSNDSP06. Pulse Modulation Symbol Structure ...

School of Computing, Engineering & Information Sciences ... Isochronous. PIWM. PIM. PFM. SWFM. PWM. PPM. MDPIM. CSNDSP06. Pulse Modulation Symbol Structure ...

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Ghassemlooy PowerPoint PPT Presentations