Performance Analysis of LTE Technology in Unlicensed Spectrum for Mobile Communication

Long Term Evolution (LTE) is a mobile technology aimed at delivering high-speed internet connectivity. With the rising demand from wireless devices such as smartphones and tablets, interest has grown in operating LTE within the unlicensed spectrum to access broader bandwidths. This study employs systematic literature review and simulation-based analysis to evaluate LTE performance in unlicensed bands. Findings indicate that LTE achieves throughput comparable to licensed operation. However, increasing transmit power and duty cycle enhances LTE performance while significantly degrading Wi-Fi performance. Coexistence methods like Listen Before Talk (LBT) and Carrier Sensing Adaptive Transmission (CSAT) underperform compared to proposed strategies. Effective coexistence mechanisms are essential to prevent interference and ensure balanced performance across technologies.