[PDF][PDF] Mu-mimo in lte systems
A relatively recent idea of extending the benefits of MIMO systems to multiuser scenarios
seems promising in the context of achieving high data rates envisioned for future cellular …
seems promising in the context of achieving high data rates envisioned for future cellular …
[图书][B] System level modeling and optimization of the LTE downlink
JC Ikuno - 2013 - publik.tuwien.ac.at
This thesis presents the design and application of a Link-to-System (L2S) model capable of
predicting the downlink throughput performance of cellular mobile networks based on the …
predicting the downlink throughput performance of cellular mobile networks based on the …
Max-Log-MAP Soft Demapper with Logarithmic Complexity for -PAM Signals
X Liu, M Kosakowski - IEEE Signal Processing Letters, 2014 - ieeexplore.ieee.org
A max-log-MAP soft demapping algorithm with logarithmic complexity is proposed for M-
PAM signals. Its algorithm complexity is only Θ (logM) for M-PAM signals, in contrast to Θ …
PAM signals. Its algorithm complexity is only Θ (logM) for M-PAM signals, in contrast to Θ …
Practical hybrid beamforming schemes in massive mimo 5g nr systems
X Zhao, E Lukashova, F Kaltenberger… - WSA 2019; 23rd …, 2019 - ieeexplore.ieee.org
Massive MIMO systems in millimiter-wave band rely on beamforming techniques to focus
transmit energy in a specific direction. Hybrid beamforming, which typically includes analog …
transmit energy in a specific direction. Hybrid beamforming, which typically includes analog …
Universal soft decision demodulator for M-ary adaptive modulation systems
M Zhang, S Kim, Y Kim - 2012 18th Asia-Pacific Conference on …, 2012 - ieeexplore.ieee.org
In this paper, we present a very simple soft demapping algorithm for M-ary PSK and QAM
schemes and their universal implementation for adaptive modulation systems. The proposed …
schemes and their universal implementation for adaptive modulation systems. The proposed …
Low complexity bit metric generation for PAM signals based on nonlinear function
L Wang, D Xu, X Zhang - Electronics letters, 2011 - IET
The bit metric is used for soft-decision decoding in bit-interleaved coded modulation (BICM)
systems. The complexity of bit metric generation increases rapidly for high-order modulation …
systems. The complexity of bit metric generation increases rapidly for high-order modulation …
Low complexity quasi-MLM modulation classification based optimal overloaded MU-MIMO receiver
S Desai, K Giridhar - 2020 IEEE 91st Vehicular Technology …, 2020 - ieeexplore.ieee.org
Overloaded Multi-user MIMO (MU-MIMO) links are prone to interference due to several
factors. To mitigate this interference many authors have proposed interference aware …
factors. To mitigate this interference many authors have proposed interference aware …
Recursive bit metric generation for PSK signals with Gray labeling
This letter presents a novel bit metric generation approach for phase shift keying (PSK) with
Gray labeling. This approach generates bit metrics recursively based on a simplified function …
Gray labeling. This approach generates bit metrics recursively based on a simplified function …
NISC-based soft-input–soft-output demapper
M Rizk, A Baghdadi, M Jézéquel… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Applications in wireless digital communication field are becoming increasingly complex and
diverse. Circuits and systems adopted in this application domain must not only consider …
diverse. Circuits and systems adopted in this application domain must not only consider …
On the exact BER of bit-wise demodulators for one-dimensional constellations
The optimal bit-wise demodulator for M-ary pulse amplitude modulation (PAM) over the
additive white Gaussian noise channel is analyzed in terms of uncoded bit-error rate (BER) …
additive white Gaussian noise channel is analyzed in terms of uncoded bit-error rate (BER) …