Abstract
Wi-Fi Influence on LTE-U Downlink Data and Control Channel Performance in Shared Frequency Bands
Highlights
The increasing demand high mobile data rates and the growing number of user equipments (e.g. Internet-of-Things services) brings forth the question of how to improve the performance or extend the functionality of existing 3G/4G cellular networks, mainly in small cells
In this work we present an approach to analyse Long Term Evolution (LTE) including LTE downlink physical control channel (PCCH) performance at the link level influenced by Wi-Fi in the same ISM frequency bands
Results were obtained for various Channel Quality Indicator (CQI) values and system bandwidths of 1.4 and 20 MHz
Summary
The increasing demand high mobile data rates and the growing number of user equipments (e.g. Internet-of-Things services) brings forth the question of how to improve the performance or extend the functionality of existing 3G/4G cellular networks, mainly in small cells. Some mobile operators are building picocells and utilizing Wireless-Fidelity (Wi-Fi) networks in the 2.4 and 5 GHz radio frequency (RF) bands as a supporting data pipeline in city centers or places with high density of user equipments [7], [8]. These Wi-Fi networks are controlled centrally by mobile operators. In this work we present an approach to analyse LTE including LTE downlink physical control channel (PCCH) performance at the link level influenced by Wi-Fi (based on IEEE 802.11n) in the same ISM frequency bands. The main outputs of the work are clearly summarized in Conclusion
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