Downlink training design for FDD massive MIMO systems in the presence of colored noise
Massive multiple-input multiple-output (MaMi) systems have attracted much research
attention during the last few years. This is because MaMi systems are able to achieve a …
attention during the last few years. This is because MaMi systems are able to achieve a …
Sum rate maximization versus MSE minimization in FDD massive MIMO systems with short coherence time
The increasing demand for higher data rates motivates the exploration of advanced
techniques for future wireless networks. To this end, massive multiple-input multiple-output …
techniques for future wireless networks. To this end, massive multiple-input multiple-output …
Downlink Training Sequence Design Based on Waterfilling Solution for Low-Latency FDD Massive MIMO Communications Systems
Future generations of wireless communications systems are expected to evolve toward
allowing massive ubiquitous connectivity and achieving ultra-reliable and low-latency …
allowing massive ubiquitous connectivity and achieving ultra-reliable and low-latency …
Low-Coherence Sequence Design Under PAPR Constraints
Low-coherence sequences with low peak-to-average power ratio (PAPR) are crucial for
multi-carrier wireless communication systems and are used for pilots, spreading sequences …
multi-carrier wireless communication systems and are used for pilots, spreading sequences …
Channel estimation and prediction for 5G applications
R Apelfröjd - 2018 - diva-portal.org
Accurate channel state information (CSI) is important for many candidate techniques of
future wireless communication systems. However, acquiring CSI can sometimes be difficult …
future wireless communication systems. However, acquiring CSI can sometimes be difficult …
Non-iterative downlink training sequence design based on sum rate maximization in FDD massive MIMO systems
This paper considers the problem of downlink (DL) training sequence design with limited
coherence time for frequency division duplex (FDD) massive MIMO systems in a general …
coherence time for frequency division duplex (FDD) massive MIMO systems in a general …
[HTML][HTML] An analytical framework for the incorporation of non-orthogonal pilots in massive MIMO systems
Training-based cellular communication systems use orthogonal pilot sequences to limit pilot
contamination. However, the orthogonality constraint imposes a certain pilot length, and …
contamination. However, the orthogonality constraint imposes a certain pilot length, and …
A Computationally Efficient Gradient Algorithm for Downlink Training Sequence Optimization in FDD Massive MIMO Systems
Future wireless networks will require advance physical-layer techniques to meet the
requirements of Internet of Everything (IoE) applications and massive communication …
requirements of Internet of Everything (IoE) applications and massive communication …
Pilot-data superposition for beam-based FDD massive MIMO downlinks
In this letter, we propose a superposition signaling of pilots and data scheme (SPD) for
beam-based frequency-division-duplex massive multiple-input multiple-output systems …
beam-based frequency-division-duplex massive multiple-input multiple-output systems …
Covariance-aided CSI acquisition with non-orthogonal pilots in massive MIMO: A large-system performance analysis
Massive multiple-input multiple-output (MIMO) systems use antenna arrays with a large
number of antenna elements to serve many different users simultaneously. The large …
number of antenna elements to serve many different users simultaneously. The large …