Instruct: Given a paper title, retrieve paper titles that are cited by the given paper.
Query: Grassmannian beamforming for multiple-input multiple-output wireless systems
On beamforming with finite rate feedback in multiple-antenna systems
A 25–30 GHz 8-antenna 2-stream hybrid beamforming receiver for MIMO communication
Multiuser Millimeter Wave Communications With Nonorthogonal Beams
Massive MIMO for Next Generation Wireless Systems
On the optimality of multiantenna broadcast scheduling using zero-forcing beamforming
Massive MIMO: Fundamentals and System Designs
Grassmannian Frames with Applications to Coding and Communication
Energy Efficiency and Asymptotic Performance Evaluation of Beamforming Structures in Doubly Massive MIMO mmWave Systems
Massive MIMO: An Introduction
Two-Level Spatial Multiplexing using Hybrid Beamforming Antenna Arrays for mmWave Communications
Joint Tx-Rx beamforming design for multicarrier MIMO channels: a unified framework for convex optimization
Hybrid Analog and Digital Beamforming for mmWave OFDM Large-Scale Antenna Arrays
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
On the achievable throughput of a multiantenna Gaussian broadcast channel
Analog Beamforming in MIMO Communications With Phase Shift Networks and Online Channel Estimation
A Survey on Hybrid Beamforming Techniques in 5G: Architecture and System Model Perspectives
Multiple Fan-Beam Antenna Array for Massive MIMO Applications
Massive MIMO, Non-Orthogonal Multiple Access and Interleave Division Multiple Access
Optimal pilot beam pattern design for massive MIMO systems
Hybrid Analog-Digital Beamforming for Multiuser MIMO Millimeter Wave Relay Systems
Cross-language information retrieval based on parallel texts and automatic mining of parallel texts from the Web
Towards an spiking deep belief network for face recognition application
Deep belief network based semantic taggers for spoken language understanding.
Audit-firm group appointment: an artificial intelligence approach
Reverse Brazil nut problem: competition between percolation and condensation.