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lecture2_6pp - EE359 Lecture 2 Outline Announcements...

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1 EE359 Lecture 2 Outline Announcements 1 st HW posted today, due next Thursday at 5pm. Discussion section starts next week. Review of Last Lecture Signal Propagation Overview TX and RX Signal Models Complex baseband models Path Loss Models Free-space Path Loss Ray Tracing Models Simplified Path Loss Model Empirical Models Lecture 1 Review Course Information Wireless Vision Technical Challenges Multimedia Requirements Current Wireless Systems Spectrum Regulation and Standards Emerging systems will be covered in a bonus lecture later in the quarter Propagation Characteristics Path Loss (includes average shadowing) Shadowing (due to obstructions) Multipath Fading P r /P t d=vt P r P t d=vt v Very slow Slow Fast Path Loss Modeling Maxwell’s equations Complex and impractical Free space path loss model Too simple Ray tracing models Requires site-specific information
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