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Improving cellular backhaul capacity in the Universal Mobile Telecommunications System (UMTS) has long been desired, and is even demanding now due to the ever-advancing access technologies. Considering the pricy traditional leased line solution, it is tempting to devise a cost-effective alternative. In this paper, the authors propose an offloading technology in order to divert a major part of the backhaul traffic to links that are more cost affordable. An experimental system is prototyped and tested. Measurements indicate good performance of their approach.
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