PDF4PRO ⚡AMP

Modern search engine that looking for books and documents around the web

Example: marketing

Introduction to OFDM

1E225C Lecture 16 ofdm IntroductionEE225 CEE225 CIntroduction to OFDMlBasic idea Using a large number of parallel narrow-band sub-carriers instead of a single wide-band carrier to transport informationlAdvantages Very easy and efficient in dealing with multi-path Robust again narrow-band interferencelDisadvantages Sensitive to frequency offset and phase noise Peak-to-average problem reduces the power efficiency of RF amplifier at the transmitterlAdopted for various standards DSL, , DAB, DVB2 Multipath can be described in two domains: time and frequencytimetimeSinusoidal signal as inputtimetimeSinusoidal signal as outputfFrequency responseTime domain: Impulse responseFrequency domain: Frequency responsetimeImpulse responsetimetimeModulationtechniques: monocarrier vs.

OFDM Introduction EE225C Introduction to OFDM lBasic idea » Using a large number of parallel narrow-band sub-carriers instead of a single wide-band carrier to transport information lAdvantages » Very easy and efficient in dealing with multi-path » Robust again narrow-band interference lDisadvantages » Sensitive to frequency offset and phase ...

Tags:

  Ofdm

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Spam in document Broken preview Other abuse

Transcription of Introduction to OFDM

Related search queries