Improving Performance of Modern Wi-Fi and LTE Networks Through Efficient Spectrum Resource Provisioning
Kotikanyakadanam Sheshadri, Ramanujan
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In recent years, the number of devices accessing wireless services has increased exponentially; as a result, a large number of often heterogeneous devices compete for access to the same limited available spectral resources in order to satisfy their traffic requirements. This competition could not have been more evident than in the unlicensed 2.4/5 GHz bands. Despite new spectrum bands (e.g., 60 GHz band) be- coming available, the benefits (e.g., low-cost access, extended range, non-LoS communication) of operating in the 2.4/5 GHz unlicensed bands are expected to keep their popularity intact. Consequently, the critical challenge to all the network service providers that cater wireless services in these bands is to find novel ways to judiciously manage the available (unlicensed) spectral resources, while ensuring that: (i) all users get sufficient bandwidth to satisfy their traffic demand and (ii) there is no wastage/under-utilization of the available spectral resources.