Uplink power control in multi-cell spatial multiplexing wireless systems

R Chen, JG Andrews, RW Heath… - … Communications, 2007 - ieeexplore.ieee.org
… problem is no longer standard, we are not able to theoretically prove the convergence of the
iterative channel inversion power control algorithm at this point. Numerical results, however, …

Transmit diversity and multiplexing methods for 3G-LTE downlink control channels

IG Kim, Y Han, YH Kim, SC Bang - IEEE Vehicular Technology …, 2006 - ieeexplore.ieee.org
… Among several one-bit type control channels, we focus on the HICH which conveys several
ACK/NACK bits for uplink packet data users. The ACK/NACK bit for an active uplink packet …

Predictability of uplink channels from downlink channels in frequency division duplex systems: a power control application

DM Ionescu, A Boariu - … on Wireless Communications, 2004 - ieeexplore.ieee.org
power control is used to illustrate the predictability of uplink channels from downlink channels
in a frequency division duplex (FDD) wireless link. In an uplink power control scenario, the …

Simultaneous information and power transfer for broadband wireless systems

K Huang, E Larsson - IEEE Transactions on Signal Processing, 2013 - ieeexplore.ieee.org
system where orthogonal frequency division multiplexing and … sub-channel assignments
and focus on the power control. Fur… Uplink power control: Each mobile applies the maximum …

Uplink power control in massive MIMO with double scattering channels

T Van Chien, HQ Ngo, S Chatzinotas… - … Communications, 2021 - ieeexplore.ieee.org
… not only inherits all the multiplexing gain and spatial diversity of the conventional MIMO but
also offers extra degree-of-freedoms as a consequence of equipping base stations (BSs) with …

Power control for radio-over-fiber downlinks in frequency division multiplexing cellular communication systems

Y Pei, X Zhang, K Xu, X Sun, B Hraimel… - … Communications and …, 2010 - opg.optica.org
power control algorithm is verified in four- and nine-channel … on collected information by
the feedback from the uplink. The … Also, it is assumed that the wireless communication in free …

Multiuser two-way amplify-and-forward relay processing and power control methods for beamforming systems

J Joung, AH Sayed - IEEE Transactions on Signal Processing, 2009 - ieeexplore.ieee.org
channels are static and identical, as in uplink and downlink channels in time division duplex
(TDD) systems. … For comparison with the spatial multiplexing system later, we assume that …

Joint power control and beamforming for uplink non-orthogonal multiple access in 5G millimeter-wave communications

L Zhu, J Zhang, Z Xiao, X Cao, DO Wu… - … Communications, 2018 - ieeexplore.ieee.org
power control and beamforming to maximize the sum rate of a 2-user mm-waveNOMA system,
but the difference is that we consider an uplink … , we adopt the effective channel model in (4…

Max-min power control in downlink massive MIMO with distributed antenna arrays

N Akbar, E Björnson, N Yang… - … on Communications, 2020 - ieeexplore.ieee.org
… We represent the uplink channel between Ujk and BS n l by hln jk , where l ∈ {1, ··· ,L}. …
Di Renzo, “Safeguarding 5G wireless communication networks using physical layer security,” …

Zero-forcing methods for downlink spatial multiplexing in multiuser MIMO channels

QH Spencer, AL Swindlehurst… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
… -output (MIMO) wireless communications network can provide … transmitter may be able to
estimate uplink angles of arrival ( … way of constraining the power control problem in order to …