An optimal handover decision for throughput enhancement

Authors:
Hyun-Ho Choi
Affiliations:
Communication Lab., Samsung Advanced Institute of Technology, South Korea
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

This letter proposes an optimal handover decision algorithm from the perspective of throughput enhancement. By considering two handover schemes (soft handover and fast cell selection), the proposed algorithm decides a handover only when a throughput gain exists. In order for this decision to be made, a new measurement parameter, Interference to other-Interferences-plus-Noise Ratio (IINR), is defined. The proposed IINR-based handover decision demonstrates optimal throughput performance, while the legacy signal to interference-plus-noise ratios (SINR)-based handover decision presents a tradeoff between throughput and feedback overhead.