DL CSI acquisition and feedback in FDD massive MIMO via path aligning
Unlike the time-division duplexing (TDD) systems, the downlink (DL) and uplink (UL)
channels are not reciprocal anymore in the case of frequency-division duplexing (FDD) …
channels are not reciprocal anymore in the case of frequency-division duplexing (FDD) …
A scalable framework for CSI feedback in FDD massive MIMO via DL path aligning
Unlike the time-division duplexing systems, the downlink (DL) and uplink (UL) channels are
not reciprocal in the case of frequency-division duplexing (FDD). However, some long-term …
not reciprocal in the case of frequency-division duplexing (FDD). However, some long-term …
Channel estimation for FDD massive MIMO OFDM systems
D Hu, L He - 2017 IEEE 86th Vehicular Technology Conference …, 2017 - ieeexplore.ieee.org
For frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO)
systems, it is challenging for the base station (BS) to acquire downlink channel state …
systems, it is challenging for the base station (BS) to acquire downlink channel state …
Path selection based feedback reduction for fdd massive mimo systems
Massive multi-input multi-output systems with large-scale transmit antenna arrays can bring
significant improvements in the spectral efficiency and energy efficiency. To fully enjoy the …
significant improvements in the spectral efficiency and energy efficiency. To fully enjoy the …
Coordinated beam selection for training overhead reduction in FDD massive MIMO
While acquiring channel state information at the transmitter (CSIT) in time division duplexing
systems can exploit channel reciprocity, acquiring accurate CSIT in frequency division …
systems can exploit channel reciprocity, acquiring accurate CSIT in frequency division …
A Channel Estimation Framework for High-mobility FDD Massive MIMO using Partial Reciprocity
The estimation of Channel State Information (CSI) is one of the most difficult tasks for
massive multiple-input multiple-output (MIMO) in frequency division duplex (FDD) mode. It is …
massive multiple-input multiple-output (MIMO) in frequency division duplex (FDD) mode. It is …
Tracking FDD massive MIMO downlink channels by exploiting delay and angular reciprocity
The massive multiple-input multiple-output (MIMO) technology considerably enhances the
spectral efficiency of a wireless communication system. However, it suffers from substantial …
spectral efficiency of a wireless communication system. However, it suffers from substantial …
A partial channel reciprocity-based codebook for wideband FDD massive MIMO
The acquisition of channel state information (CSI) in Frequency Division Duplex (FDD)
massive MIMO has been a formidable challenge. In this paper, we address this problem with …
massive MIMO has been a formidable challenge. In this paper, we address this problem with …
How accurate calibration is needed in massive MIMO?
X Luo - 2015 IEEE Globecom Workshops (GC Wkshps), 2015 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) in time-division duplexing (TDD) systems
relies on the channel reciprocity to obtain the downlink (DL) channel state information (CSI) …
relies on the channel reciprocity to obtain the downlink (DL) channel state information (CSI) …
Multiuser massive MIMO performance with calibration errors
X Luo - IEEE Transactions on Wireless Communications, 2016 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) in time-division duplexing (TDD) systems
relies on the channel reciprocity to obtain the downlink (DL) channel state information (CSI) …
relies on the channel reciprocity to obtain the downlink (DL) channel state information (CSI) …