722 citations · 4.3k across the 116 of their papers we have counts for
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eess.SP2018
Joint Frequency Reuse and Cache Optimization in Backhaul-Limited Small-Cell Wireless Networks
Wei Han, An Liu, Wei Yu +1
Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backha…
eess.SP2018★ 61 cited
Joint Channel Estimation and User Grouping for Massive MIMO Systems
Jisheng Dai, An Liu, Vincent K. N. Lau
This paper addresses the problem of joint downlink channel estimation and user grouping in massive multiple-input multiple-output (MIMO) systems, where the motivation comes from th…
eess.SP2018★ 16 cited
Mixed-timescale Per-group Hybrid Precoding for Multiuser Massive MIMO Systems
Yinglei Teng, Min Wei, An Liu +2
Considering the expensive radio frequency (RF) chain, huge training overhead and feedback burden issues in massive MIMO, in this letter, we propose a mixed-timescale per-group hybr…