Millimeter wave–3D massive MIMO: Deep prior‐aided graph neural network combining with hierarchical residual learning for beamspace channel estimationdoi:10.1002/dac.5918Sudarsan, HaridossMahendran, KrishnakumarRathika, SrinivasanAnanth, Subburaj Nagan Yoga...
Instead of massive MIMO radios, 4T4R or 8T8R antennas with sharp vertical beamwidth might be a better fit in terms of cost. - In case of fixed wireless access (FWA) where many residential subscribers demand high data-rate services simultaneously, massive MIMO radio can re...
Specifically, when a one-bit feedback link is available from the receiver to the transmitter, the simple scheme of hybrid automatic repeat request (ARQ) with Chase combining (HARQ-CC) can be employed, where the same packet is retransmitted in the event of decoding failure....
PRECODER DESIGN FOR COMBINING HIGH-END RF WITH CONSTRAINED RF OF MASSIVE MIMO ANTENNASA method includes mapping a signal desired by at least one receiver to a projection area based at least on a functionality corresponding to one or more first radio frequency chains coupled to a plurality of ...
massive MIMOIn this paper, two novel hybrid beamforming methods are proposed to reduce the cost and power consumption of hybrid beamformers with a subconnected phase shifter network structure in massive multiple-input multiple-output systems. This is achieved by replacing some of the phase shifter...
PRECODER DESIGN FOR COMBINING HIGH-END RF WITH CONSTRAINED RF OF MASSIVE MIMO ANTENNASA method includes mapping a signal desired by at least one receiver to a projection area based at least on a functionality corresponding to one or more first radio frequency chains coupled to a plurality of ...
This paper investigates the sum rate optimization of uplink massive multiple-input multiple-output (MIMO) system with imperfect channel state information (CSI) and maximum ratio combining (MRC) under the constraints of maximum power and minimum rate, and power allocation (PA) schemes are developed ...
Massive multiple-input-multiple-output (MIMO) systems use few hundred antennas to simultaneously serve large number of wireless broadband terminals. It has been incorporated into standards like long term evolution (LTE) and IEEE802.11 (Wi-Fi). Basically,
cell-free; user-centric; massive MIMO and mmWave communication; cooperative networks; hybrid beamforming; limited fronthaul capacity; promising enabling technologies1. Introduction The vision of a networked society with unlimited access to information and data sharing at any time and anywhere, for ...
Once we are moving to the 5G system it is imperative to reduce the complexity of massive MIMO (Multiple-Input, Multiple Output) receivers. This paper considers the uplink transmission using massive MIMO combined with SC-FDE (Single-Carrier with Frequency-Domain Equalization). We propose an ...