GROUP#14 NAVEED VAHEED | MYKOLA ZAITSEV| NIKO PERERA | SAMU AHVENAINEN Wireless Systems

LOCATION: Jämeräntaival 6, Otaniemi

MOTIVATION AND HYPOTHESIS

MEASUREMENT CAMPAIGN ”IF YOU WANT TO MAKE A PHONE CALL, YOU GO OUTSIDE”

Signal Strength BaseStation Location Cell ID LAC MNC MCC MEASUREMENT TOOLS

MEASUREMENT RESULTS -105 to -100 = Bad Signal/drop call -99 to -90 = Poor/Not reliable signal -89 to -80 = OK But not good signal -79 to -65 = Good Signal Around -65 = Excellent Signal

RESULT ANALYSIS

BS LOCATIONS

OUTSIDE BUILDING

SoneraDNA High-78 dBm-69 dBm Average-92 dBm-82 dBm Low-105 dBm-90 dBm INSIDE BUILDING

SIGNAL TO INTERFERENCE PLUS NOISE RATIO WITHOUT PENETRATION LOSSWITH PENETRATION LOSS -80 dBm Noise -102 dBm Noise PENETRATION LOSS

PROBLEMS SUMMARY

SOLUTIONS

“Thank you!”