IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
Adaptive control CRE and its throughput performance in HetNet
Sho NakazawaShingo MatsuokaHiroyuki Otsuka
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2015 Volume 4 Issue 4 Pages 117-122

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Abstract

This paper proposes a state-of-the-art cell range expansion (CRE) technique that improves the user throughput performance for heterogeneous network (HetNet). The proposed adaptive control CRE provides different cell selection offsets (CSOs) for each piece of user equipment (UE). The proposed CRE’s aspects and algorithm are described in this paper through comparison with those of the conventional method that has a fixed CSO for operating all UEs. Computer simulation results such as average and 5-percentile user throughput based on LTE/LTE-Advanced standards are provided. We confirmed that the proposed adaptive control CRE can improve 5-percentile user throughput while maintaining the average user throughput. This will provide a remarkably effective solution for HetNet.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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