Abstract
In recent years, Full Duplex cellular systems are under investigation. Previous works found that in full duplex systems, rate does not double because of not only self interference but also due to full duplex BSs interference. In this paper, a Hybrid duplex (H) two tier Heterogeneous Cellular Network is considered: Small pico Base Stations (BSs) use full duplex mode while macro BSs run usual Half Duplex transmission to avoid high interference. Different duplexing modes and association criteria are analyzed and their performance compared in terms of coverage, binary rate and Energy Efficiency. The simulation results show that hybrid mode rate and energy efficiency are the highest compared to full or half duplex modes while coverage does not reduce much. From association criteria point of view, binary rate and energy efficiency are better under maximum receive power in average association criteria whereas coverage is better in minimum path loss association criteria.
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