Affiliation:
1. Beijing University of Posts and Telecommunications
Abstract
GPRS is the dominant mobile Internet access in China. However, the nature of GPRS traffic characteristics remains unexamined for many reasons. In this paper, we present observations at both LLC-level and cell-level from passive monitoring of more than 2700 GPRS/EGPRS cell sites connected to the same SGSN at Gb interface. The traffic traces are from a major China ISP in one urban area of Northern Province during an ongoing 24 h period in August 2012. We found that user traffic averages at about 95% of overall traffic in both directions. Furthermore, we defined a cell-time record to measure the dynamic utility of radio resource and found that most cell sites have low traffic at most time, with the growth of total traffic load, the proportion of signal traffic declined correspondingly. All the conclusions in the paper are meaningful for researchers, network operators, and other members of the GPRS community.
Publisher
Trans Tech Publications, Ltd.
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