528 citations · 3.1k across the 49 of their papers we have counts for
8 papers · 2 filters
Structured Compressive Sensing Based Spatio-Temporal Joint Channel Estimation for FDD Massive MIMO
Zhen Gao, Linglong Dai, Wei Dai +2
Massive MIMO is a promising technique for future 5G communications due to its high spectrum and energy efficiency. To realize its potential performance gain, accurate channel estim…
Structured Compressive Sensing Based Superimposed Pilot Design in Downlink Large-Scale MIMO Systems
Zhen Gao, Linglong Dai, Zhaocheng Wang
Large-scale multiple-input multiple-output (MIMO) with high spectrum and energy efficiency is a very promising key technology for future 5G wireless communications. For large-scale…
Priori-Information Aided Iterative Hard Threshold: A Low-Complexity High-Accuracy Compressive Sensing Based Channel Estimation for TDS-OFDM
Zhen Gao, Chao Zhang, Zhaocheng Wang +1
This paper develops a low-complexity channel estimation (CE) scheme based on compressive sensing (CS) for time-domain synchronous (TDS) orthogonal frequency-division multiplexing (…
Robust Preamble Design for Synchronization, Signaling Transmission and Channel Estimation
Zhen Gao, Chao Zhang, Zhaocheng Wang
The European second generation digital video broadcasting standard (DVB-T2) introduces a P1 symbol. This P1 symbol facilitates the coarse synchronization and carries 7-bit transmis…
Compressive Sensing Based Multi-User Detector for the Large-Scale SM-MIMO Uplink
Zhen Gao, Linglong Dai, Zhaocheng Wang +2
Conventional spatial modulation (SM) is typically considered for transmission in the downlink of small-scale MIMO systems, where a single one of a set of antenna elements (AEs) is…
MmWave Massive MIMO Based Wireless Backhaul for 5G Ultra-Dense Network
Zhen Gao, Linglong Dai, De Mi +3
Ultra-dense network (UDN) has been considered as a promising candidate for future 5G network to meet the explosive data demand. To realize UDN, a reliable, Gigahertz bandwidth, and…
Asymptotic Orthogonality Analysis of Time-Domain Sparse Massive MIMO Channels
Zhen Gao, Linglong Dai, Chau Yuen +1
The theoretical analysis of downlink massive MIMO usually assumes the ideal Gaussian channel matrix with asymp- totic orthogonality of channel vectors associated with different use…
Super-Resolution Sparse MIMO-OFDM Channel Estimation Based on Spatial and Temporal Correlations
Zhen Gao, Linglong Dai, Zhaohua Lu +2
This letter proposes a parametric sparse multiple input multiple output (MIMO)-OFDM channel estimation scheme based on the finite rate of innovation (FRI) theory, whereby super-res…