Radio Channel Model
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Transcript of Radio Channel Model
![Page 1: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/1.jpg)
Group 896GPRS Radio Resource
Management
Radio Channel Model
•Path Loss
•Slow Fading
•Fast Fading
![Page 2: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/2.jpg)
Group 896GPRS Radio Resource
Management
C/I Generation1. Mean C/I --- Path Loss and Reuse Pattern
Path Loss PDF(r)
pdf(r)=k*r, 15m<r<500m
![Page 3: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/3.jpg)
Group 896GPRS Radio Resource
Management
0: Investigated Cell
1~6: Co-channel Cell
D: Reuse Distance
R: Cell Radius
r: MS-BTS Distance12
3
4 5
60
D
R
r
Reuse Pattern C/I Calculation
![Page 4: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/4.jpg)
Group 896GPRS Radio Resource
Management
PDF Mean C/I
![Page 5: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/5.jpg)
Group 896GPRS Radio Resource
Management
2. C/I per MS --- Shadowing Effect
Lognormal Distribution
C/I for Each Mobile
![Page 6: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/6.jpg)
Group 896GPRS Radio Resource
Management
Time Correlation Function
![Page 7: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/7.jpg)
Group 896GPRS Radio Resource
Management
Frequency Correlation Function
![Page 8: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/8.jpg)
Group 896GPRS Radio Resource
Management
Coding Scheme Selection
CIR 0~5 CS1CIR 6~9 CS2CIR 10~16 CS3CIR 16~30+ CS4
![Page 9: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/9.jpg)
Group 896GPRS Radio Resource
Management
BLER Generation
Random Seed< BLER Block Correct
C/I
CS_x
RandomSeed
Random Seed> BLER Block Erroneous
BLER Generation
C/I
BLER
Mapping Function
![Page 10: Radio Channel Model](https://reader036.fdocuments.in/reader036/viewer/2022082505/56812a65550346895d8de061/html5/thumbnails/10.jpg)
Group 896GPRS Radio Resource
Management
Path Loss
Shadowing Effect
MS ID
pdf(r)
Mean CIR
CIR per MS
CS_x Selection
BLER Mapping
RandomSeed
Block CorrectOr Erroneous
Distance Generation