1 / 30

Ultra Wideband IEEE 802.15.4a Transmitter Characteristics

Ultra Wideband IEEE 802.15.4a Transmitter Characteristics. Mohammad Alkhodary 200806080 Ali Assaihati 200350130 EE 578 Simulation Communication Systems Case Study (101) Phase III KFUPM. Ultra Wideband. Transmitter Characteristics. Outlines Introduction UWB Features

doli
Télécharger la présentation

Ultra Wideband IEEE 802.15.4a Transmitter Characteristics

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Ultra Wideband IEEE 802.15.4a Transmitter Characteristics Mohammad Alkhodary 200806080 Ali Assaihati 200350130 EE 578 Simulation Communication Systems Case Study (101) Phase III KFUPM Ultra Wideband Transmitter Characteristics

  2. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Outlines • Introduction • UWB Features • Spatial and Spectral Capacity • Data transmission • UWB FCC Emission Mask • Modulation Methods • UWB System Model Block Diagram • General UWB Transmitter and Receiver • Simulation Result • References Ultra Wideband Transmitter Characteristics

  3. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Frequency-domain behavior Time-domain behavior Frequency Modulation Narrowband Communication 1 0 1 0 Ultra wideband Communication 1 1 0 2.4 Impulse Modulation GHz frequency time 3 10 GHz (FCC Min=1500Mhz) UWB Technology Introduction • Extremely short pulses, no frequency carrier Ultra Wideband Transmitter Characteristics

  4. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References UWB Technology Introduction • UWB-generic term describing radio systems having very large bandwidth • Any signal • fractional bandwidth Bf, > 20% of its center frequency • fH is upper 10dB and fL is the lower 10dB cutoff frequencies of the signal spectrum • RF bandwidth > 0.5 GHz Ultra Wideband Transmitter Characteristics

  5. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References UWB Frequency Allocation • Compared to narrowband RF and spread spectrum, UWB uses extremely wide bandwidth, if the emission power is not well controlled, UWB devices might cause interference with other existing systems. Ultra Wideband Transmitter Characteristics

  6. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References UWB Unique Features • High data rate capability for communications • Multipath immunity • Low power consumption • Penetration characteristics Ultra Wideband Transmitter Characteristics

  7. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Spatial and Spectral Capacity Ultra Wideband Transmitter Characteristics

  8. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Data transmission Ultra Wideband Transmitter Characteristics

  9. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References UWB Indoor FCC Emissiona Mask Ultra Wideband Transmitter Characteristics

  10. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References UWB Outdoor FCC Emissiona Mask Ultra Wideband Transmitter Characteristics

  11. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Gaussian derivatives and PSD • Gaussianderivative provide excellent radiation properties • As the order of the derivative increases, the energy is moving to higher frequencies • Higher order Gaussian derivative do not need frequency shift to fit the FCC mask, but not in a power efficient manner Ultra Wideband Transmitter Characteristics

  12. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Modulation Methods Ultra Wideband Transmitter Characteristics

  13. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Modulation Methods • Pulse position modulation (PPM) where each pulse is delayed or sent in advance of a regular time scale. • Bi-phase modulation create a pulse with opposite phase. • Orthogonal Pulse Modulation, which requires special pulse shapes to be generated that are orthogonal to each other. Ultra Wideband Transmitter Characteristics

  14. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Comparison of PPM vs. BPM Ultra Wideband Transmitter Characteristics

  15. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References UWB System Model Block Diagram Ultra Wideband Transmitter Characteristics

  16. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References General UWB Transmitter Ultra Wideband Transmitter Characteristics

  17. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC Emission Mask Modulation Methods UWB System Model Block Diagram Simulation Result References General UWB Receiver Ultra Wideband Transmitter Characteristics

  18. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  19. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  20. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  21. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  22. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  23. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  24. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  25. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  26. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  27. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  28. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References Simulation Result Ultra Wideband Transmitter Characteristics

  29. Outlines Introduction UWB Features Spatial and Spectral Capacity Data transmission UWB FCC `Mask Modulation Methods UWB System Model Block Diagram Simulation Result References References • Andreas F. Molisch, Kannan Balakrishnan, Chia-Chin Chong, “IEEE 802.15.4a channel model - final report. • Alexander M. Haimovich, Jason A. Dabin, “THE EFFECTS OF ANTENNA DIRECTIVITY ON PATH LOSS AND MULTIPATH PROPAGATION IN UWB INDOOR WIRELESS CHANNELS” IEEE signal process journal • Jose L. Paredes, Gonzalo R. Arce, “Ultra-Wideband Channel Estimation” , IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, VOL. 1, NO. 3, OCTOBER 2007 Ultra Wideband Transmitter Characteristics

  30. Thank You

More Related