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The demand for broadband mobile services continues to grow. Conventional high-speed broadband solutions are based on wired-access technologies such as Digital Subscriber Line (DSL). This type of solution is difficult to deploy in remote rural areas, and furthermore it lacks support for terminal mobility. Mobile Broadband Wireless Access (BWA) offers a flexible and cost-effective solution to these problems. In recent years the WiMAX standard has emerged to harmonise the wide variety of different BWA technologies. The first WiMAX version was based on the IEEE 802.16-2004 standard and offered wireless links to fixed subscribers. The most recent 802.16e standard supports broadband applications to mobile handsets and laptops.
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