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Future metropolitan and access networks are expected to comprise both heterogeneous optical and broadband wireless technologies. In this paper, we envision and then investigate the architecture of one of these scenarios by assuming the WMN technology as a wireless access network and the PON technology to serve in the backhaul. In such a system, many of QoS issues need to be highlighted. A cell planning...
Networks need to accommodate diverse applications with different quality-of-service (QoS) requirements. New ideas at the physical layer are being developed for this purpose, such as diversity embedded coding, which is a technique that combines high rates with high reliability. We address the problem of how to fully utilize different rate-reliability characteristics at the physical layer to support...
Today's wireless network operators are facing dual challenges in their network infrastructure management. 2G to 3G evolution has increased network complexities, while at the same time enabling an explosion in services demand. To remain competitive, quality of service (QoS) must be effectively managed and a level of capital efficiency maintained which ensures long-term profitability. Service providers...
Mobile network operators face congestion problem which degrades the quality of service. Previous studies on telecommunication service pricing show that it is an efficient mean to manage network profitability and traffic regulation. The aim of this work is to propose pricing policy which is able to reduce congestion and increase profitability in mobile networks. In this paper, we investigate several...
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