213 citations · 1.2k across the 38 of their papers we have counts for
8 papers · 1 filter
Structured Turbo Compressed Sensing for Downlink Massive MIMO-OFDM Channel Estimation
Xiaoyan Kuai, Lei Chen, Xiaojun Yuan +1
Compressed sensing has been employed to reduce the pilot overhead for channel estimation in wireless communication systems. Particularly, structured turbo compressed sensing (STCS)…
Mixed-Timescale Online PHY Caching for Dual-Mode MIMO Cooperative Networks
An Liu, Vincent Lau, Wenchao Ding +1
Recently, physical layer (PHY) caching has been proposed to exploit the dynamic side information induced by caches at base stations (BSs) to support Coordinated Multi-Point (CoMP)…
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…
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…
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…
Energy-Efficient Joint Offloading and Wireless Resource Allocation Strategy in Multi-MEC Server Systems
Kang Cheng, Yinglei Teng, Weiqi Sun +2
Mobile edge computing (MEC) is an emerging paradigm that mobile devices can offload the computation-intensive or latency-critical tasks to the nearby MEC servers, so as to save ene…