'Fast fading' presentation slideshows

895 views • 66 slides

Chapter 2 Part II: Wireless Transmission Fundamentals

Chapter 2 Part II: Wireless Transmission Fundamentals. Electromagnetic Spectrum Wireless Propagation Models Digital Modulation Techniques Multiple Access Performance Issues Cellular and Ad Hoc Concepts Link Budget Analysis. Electromagnetic Waves.

851 views • 66 slides

Chapter 2 Part II: Wireless Transmission Fundamentals

Chapter 2 Part II: Wireless Transmission Fundamentals. Electromagnetic Spectrum Wireless Propagation Models Digital Modulation Techniques Multiple Access Performance Issues Cellular and Ad Hoc Concepts Link Budget Analysis. Electromagnetic Waves.

671 views • 66 slides

664 views • 66 slides

Cellular COMMUNICATIONS

Cellular COMMUNICATIONS. MIDTERM REVIEW. Representing Oscillations. w is angular frequency Need two variables to represent a state Use a single 2D variable to represent a state as a vector (a phasor ). Wavelength and propagation velocity. Constructive and Destructive Interference.

606 views • 48 slides

4.5 Types of Small Scale Fading

4.5 Types of Small Scale Fading. fading depends on channel characteristics (rms delay spread, Doppler spread) transmitted signal (symbol bandwidth, symbol period) Two independent propagation mechanisms (1) multipath delay spread leads to time dispersion

474 views • 33 slides

Lookback Scheduling for Long-Term Quality-of-Service Over Multiple Cells

301 views • 18 slides

479 views • 17 slides

Motivation

Motivation. Wireless Communication Environment Noise Multipath ( ISI! ) Demands Multimedia applications ? High rate Data communication ? Reliability. Solutions. Some Possible Solutions Use more bandwidth ( limited resource! ) Use strong codes ( computational complexity! )

212 views • 11 slides