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Group 896 GPRS Radio Resource Management Radio Channel Model Path Loss Slow Fading Fast Fading.

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Presentation on theme: "Group 896 GPRS Radio Resource Management Radio Channel Model Path Loss Slow Fading Fast Fading."— Presentation transcript:

1 Group 896 GPRS Radio Resource Management Radio Channel Model Path Loss Slow Fading Fast Fading

2 Group 896 GPRS Radio Resource Management C/I Generation 1. Mean C/I --- Path Loss and Reuse Pattern Path Loss PDF(r) pdf(r)=k*r, 15m<r<500m

3 Group 896 GPRS Radio Resource Management 0: Investigated Cell 1~6: Co-channel Cell D: Reuse Distance R: Cell Radius r: MS-BTS Distance 1 2 3 4 5 6 0 D R r Reuse Pattern C/I Calculation

4 Group 896 GPRS Radio Resource Management PDF Mean C/I

5 Group 896 GPRS Radio Resource Management 2. C/I per MS --- Shadowing Effect Lognormal Distribution C/I for Each Mobile

6 Group 896 GPRS Radio Resource Management Time Correlation Function

7 Group 896 GPRS Radio Resource Management Frequency Correlation Function

8 Group 896 GPRS Radio Resource Management Coding Scheme Selection CIR 0~5 CS1 CIR 6~9 CS2 CIR 10~16 CS3 CIR 16~30+ CS4

9 Group 896 GPRS Radio Resource Management BLER Generation Random Seed< BLER Block Correct C/I CS_x Random Seed Random Seed> BLER Block Erroneous BLER Generation C/I BLER Mapping Function

10 Group 896 GPRS Radio Resource Management Path Loss Shadowing Effect MS ID pdf(r) Mean CIR CIR per MS CS_x Selection BLER Mapping Random Seed Block Correct Or Erroneous Distance Generation


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