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The proliferation of data-hungry smart electronic devices, such as smartphones and intelligent vehicles, has driven the capacities of current mobile communication systems towards their limits. To tackle this formidable challenge, 3GPP Long Term Evolution has recognized network densification with low-power small cells (SCs) as a key paradigm in the upcoming 5G communication system. In this article,...
Network densification with small cells has been recognized as the key mechanism in addressing the unremitting traffic growth over the next decade. This hierarchical network paradigm is characterized by highly fluctuating traffic demand, vast amount of signaling exchange, as well as progressively intensified resource under-utilization owing to service asymmetry. A flexible backhaul framework is imperative...
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