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Wireless access networks are evolving rapidly and hold the promise of significantly altering the landscape for broadband competition. In a companion paper, the authors explained why wireless networks are unlikely to converge toward the sort of broadband platform network exemplified by wired Next Generation Access Networks. In this paper the authors present in more detail the future architecture the authors see most likely for wireless access networks, which they call hybrid wireless broadband. A hybrid wireless broadband access service is a high-capacity converged service implemented via multiple overlaid wireless networks, some of which share resources with other systems. Such a service is hybrid in two senses. It integrates multiple wireless networks to serve user needs, and it also combines multiple spectrum access models.
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