Distance-Based Hybrid Duplex in Heterogeneous Networks

In this paper, we propose a novel distance-based hybrid-duplex scheme for heterogeneous networks (HetNets). Assuming each user can select half- or full-duplex mode based on the transmit distance to its serving base station (BS), we derive the bidirectional full-duplex and downlink half-duplex signal-tointerference-ratio (SINR) and achievable rate using stochastic geometry. The numerical results show good a agreement with our analyze and verify that the proposed distance-based hybridduplex scheme significantly outperforms the conventional HetNet schemes.