Survey of large-scale MIMO systems
The escalating teletraffic growth imposed by the proliferation of smartphones and tablet
computers outstrips the capacity increase of wireless communications networks …
computers outstrips the capacity increase of wireless communications networks …
Exploring the vertical dimension of dynamic beam steering
S Saur, H Halbauer - 2011 8th International Workshop on Multi …, 2011 - ieeexplore.ieee.org
This paper investigates the properties of a cellular mobile radio system with the capability to
dynamically adapt the downtilt at the base station on a per terminal basis. We compare …
dynamically adapt the downtilt at the base station on a per terminal basis. We compare …
Interference coordination with vertical beamforming in 3D MIMO-OFDMA networks
This paper investigates interference coordination for 3-dimension (3D) antenna array
systems in multicell multiple-input multiple-output (MIMO) and orthogonal frequency division …
systems in multicell multiple-input multiple-output (MIMO) and orthogonal frequency division …
A 3D beamforming analytical model for 5G wireless networks
This paper proposes an analytical study of 3D beamforming for 5G wireless networks. In a
first step, we develop a three dimensional analytical beamforming model for wireless …
first step, we develop a three dimensional analytical beamforming model for wireless …
Capacity and coverage self-optimization method and device in a mobile network
H Zhuang, J Zhang, LUO Zezhou - US Patent 8,712,332, 2014 - Google Patents
The present invention discloses an adaptive cell coverage and capacity optimization method
and device in a mobile communication network, aiming to improve adaptive optimization …
and device in a mobile communication network, aiming to improve adaptive optimization …
Optimization of downtilts adjustment combining joint transmission and 3D beamforming in 3D MIMO
Z Wei, Y Wang, W Lin - 2014 IEEE/CIC International …, 2014 - ieeexplore.ieee.org
This paper mainly proposes a downtilts adjustment scheme combining joint transmission
(JT) and 3-dimension (3D) beamforming in 3D multiple-input multiple-output (MIMO) …
(JT) and 3-dimension (3D) beamforming in 3D multiple-input multiple-output (MIMO) …
Joint optimization for cell association and vertical downtilts adjustment in 3D MIMO enabled HetNets
This paper addresses the cell association issue in the downlink of 3-dimension (3D) multiple
input multiple output (MIMO) enabled heterogeneous networks (HetNets). In order to serve …
input multiple output (MIMO) enabled heterogeneous networks (HetNets). In order to serve …
Interference coordination in 3D MIMO-OFDMA networks
This paper investigates interference coordination for 3-dimension (3D) antenna array
systems in multicell multiple-input multiple-output (MIMO) and orthogonal frequency division …
systems in multicell multiple-input multiple-output (MIMO) and orthogonal frequency division …
Multicell propagation in a realistic macro cellular environment
The architecture of cellular systems is currently revolutionized in order to remove the
capacity limitation that is enforced by intercell interference. Instead of considering signals …
capacity limitation that is enforced by intercell interference. Instead of considering signals …
PSO-based vertical beamforming for 3D massive MIMO systems in 5G
Y Zhou, S Guo - … on Communications and Networking in China …, 2015 - ieeexplore.ieee.org
In this paper, we consider the vertical beamforming in the downlink of a three dimensional
(3D) massive multiple-input multiple-output (MIMO) system. Two beams are partitioned …
(3D) massive multiple-input multiple-output (MIMO) system. Two beams are partitioned …