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ELEC-E7120 Wireless System Group 5 Atte Virtanen Bijay Basnet Márton Fekete Xing Huang Aalto School of Electrical Engineering.

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Presentation on theme: "ELEC-E7120 Wireless System Group 5 Atte Virtanen Bijay Basnet Márton Fekete Xing Huang Aalto School of Electrical Engineering."— Presentation transcript:

1 ELEC-E7120 Wireless System Group 5 Atte Virtanen Bijay Basnet Márton Fekete Xing Huang Aalto School of Electrical Engineering

2 Table of Contents Location Hypothesis Tools for measurement Measurement results Possible solutions

3 Location

4 2/19/2010 Word template user guide 4

5 Hypothesis The physical location (high path loss) Edge of many surrounding cells Frequent cell reselections Low signal strength

6 Tools of measurement Running on Android OS, DNA 2G, DNA 3G and Elisa/Saunalahti 4G Netradar -- UP/Down Speeds, latency Network Signal info -- Signal strength and Cell ID Cellmapper -- Neighboring cells info www.cellid.org -- Location of cellswww.cellid.org

7 Measurement results 2/19/2010 Word template user guide 7 Location3G4G North point-95dBm41171-96dBm75010 West point-91dBm12028-105dBm75010 Center point-101dBm44551-109dBm1262849 East point-105dBm44545-122dBm1050114

8 Measurement results 2/19/2010 Word template user guide 8

9 Measurement results 2/19/2010 Word template user guide 9

10 Solutions Introduction of new base station Increase the altitude of the transmitter antenna Apply signal boosters

11 2/19/2010 Word template user guide 11

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