A comprehensive survey: Small cell meets massive MIMO

S Rajoria, A Trivedi, WW Godfrey - Physical communication, 2018 - Elsevier
The deluge of huge data demanding applications has imposed a challenge for next
generation cellular system to support high data rate with reduced energy consumption …

Mobility management in emerging ultra-dense cellular networks: A survey, outlook, and future research directions

SMA Zaidi, M Manalastas, H Farooq, A Imran - IEEE Access, 2020 - ieeexplore.ieee.org
The exponential rise in mobile traffic originating from mobile devices highlights the need for
making mobility management in future networks even more efficient and seamless than ever …

Performance characterization of a real-time massive MIMO system with LOS mobile channels

P Harris, S Malkowsky, J Vieira… - IEEE Journal on …, 2017 - ieeexplore.ieee.org
The first measured results for massive multiple-input, multiple-output (MIMO) performance in
a line-of-sight scenario with moderate mobility are presented, with eight users served in real …

Location based beamforming in 5G ultra-dense networks

P Kela, M Costa, J Turkka, M Koivisto… - 2016 IEEE 84th …, 2016 - ieeexplore.ieee.org
In this paper we consider transmit (Tx) and receive (Rx) beamforming schemes based on the
location of the device. In particular, we propose a design methodology for the Tx/Rx …

On the performance of multiple association with mobility support in 5G ultra‐dense networks: Realistic network simulation

DA Bulti, Y Wondie - IET Communications, 2023 - Wiley Online Library
A user equipment (UE) in ultra‐dense networks (UDN) has a high chance of being in close
proximity to many cells. multiple association (MA) can be used to serve users with high data …

Flexible backhauling with massive MIMO for ultra-dense networks

P Kela, M Costa, J Turkka, K Leppänen, R Jäntti - IEEE Access, 2016 - ieeexplore.ieee.org
One of the main challenges for wide-scale deployment and timely adoption of ultra-dense
networks (UDNs) in future 5G is the backhaul. Typically, mmW technologies for backhaul …

User localization enabled ultra-dense network testbed

N Malm, L Zhou, E Menta, K Ruttik… - 2018 IEEE 5G World …, 2018 - ieeexplore.ieee.org
We present an over-the-air testbed designed for assessing the performance of ultra-dense
networks and related mobility management schemes based on tracking the location of user …

NASH: Navigation-assisted seamless handover scheme for smart car in ultradense networks

MC Chuang, MC Chen - IEEE Transactions on Vehicular …, 2017 - ieeexplore.ieee.org
In the vehicular network, the smart car provides various network services for the passenger
by the user equipment (UE). However, the services might be interrupted since the handover …

MIMO-STBC based multiple relay cooperative communication over time-selective Rayleigh fading links with imperfect channel estimates

N Varshney, AK Jagannatham - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper analyzes the effect of time-selective fading arising due to node mobility and
imperfect channel estimates on the end-to-end performance of multiple-input multiple-output …

Learning-based resource allocation scheme for TDD-based 5G CRAN system

S Imtiaz, H Ghauch, MMU Rahman… - Proceedings of the 19th …, 2016 - dl.acm.org
Provision of high data rates with always-on connectivity to high mobility users is one of the
motivations for design of fifth generation (5G) systems. High system capacity can be …