MOBILE RADIO TRAFFIC ANALYSIS

3/18/03


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Table of Contents

MOBILE RADIO TRAFFIC ANALYSIS

Outline

Motivation – ad hoc networks

Prior work

What is needed?

Mobile radio systems – a tour

Simple mobile radio system

Extend coverage (repeaters)

Extend capacity (add channels)

Improve efficiency (trunking)

Extend range again

Traffic source – E-Comm

System architecture

Vancouver “cell” coverage

Vancouver cell characteristics

Talk groups

Traffic data

Traffic data – summary files

Traffic data – call details

Traffic analysis

Notation

Average hourly traffic, 51 days

Weekday traffic - Wednesday

Weekday traffic - Friday

Weekday traffic summary

Detailed trace analysis

Trace overviews

Ta vs Tc, chat talk group trace

Ta vs Tc, system talk group trace

Tc (call holding time) analysis

Tc, lag plot, chat talk group

Tc, distribution, chat talk group

Tc, autocorrelation, chat talk group

Tc, lag plot, system (10)

Tc, lag plot, exponential (10)

Tc, distribution, system

Tc, autocorrelation, system

Ti (inter-arrival time) analysis

Ti-calls, lag plot, chat talk group

Ta, lag plot, chat talk group

Ti-inter-session, lag plot, chat talk group

Ti-intra-session, lag plot, chat talk group

Ti-calls, distribution, chat talk group

Ti-inter-session, distribution, chat talk group

Ti-intra-session, distribution, chat talk group

Ti-calls, autocorrelation, chat talk group

Ti-calls, variance-time plot, chat talk group

Ti, lag plot, system

Ti, distribution, system

Ti, autocorrelation, system

Ti, variance-time plot, system

Conclusions

Further work

Acknowledgements

List of References

Author: Duncan Scott Sharp

Email: dsharp@planetworks.com

Home Page: http://www.ensc.sfu.ca/research/cnl/