Lei Chen

Filtered-OFDM - Enabler for Flexible Waveform in the 5th Generation Cellular Networks

Xi Zhang, Ming Jia, Lei Chen et al. · 2015 IEEE Global Communications Conference (GLOBECOM) · 2015 · 250 citations

Conventional Ofdm, Multi-carrier Communication, Engineering +8

Answering why-not questions on spatial keyword top-k queries

Lei Chen, Xin Lin, Haibo Hu et al. · 2015 · 65 citations

Engineering, Geographic Information Retrieval, Range Searching +17

Towards Social-Aware Ridesharing Group Query Services

Yafei Li, Rui Chen, Lei Chen et al. · IEEE Transactions on Services Computing · 2015 · 59 citations

Engineering, Traffic Congestion, Query Processing +20

Answering why-not spatial keyword top-k queries via keyword adaption

Lei Chen, Jianliang Xu, Xin Lin et al. · 2016 · 47 citations

Engineering, Geographic Information Retrieval, Spatial Distance +21

Towards Why-Not Spatial Keyword Top-$k$ Queries: A Direction-Aware Approach

Lei Chen, Yafei Li, Jianliang Xu et al. · IEEE Transactions on Knowledge and Data Engineering · 2017 · 26 citations · Full text