Efficient modeling of low‐resolution millimeter‐wave transceivers for massive MIMO wireless communications systems
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32727
Abstract: We present a high‐fidelity measurement‐based nonlinear model of low‐complexity millimeter‐wave transmit and receive circuits for design and analysis of 1‐bit on‐off‐key (OOK) massive MIMO wireless communications systems. The receive model is based upon a fabricated… read more here.
Keywords: millimeter wave; wireless communications; mimo wireless; mimo ... See more keywords
A novel low complexity downlink linear precoding algorithm for massive MIMO systems
Sign Up to like & getrecommendations! Published in 2018 at "Cluster Computing"
DOI: 10.1007/s10586-018-2050-1
Abstract: The tremendous advancements in 4G and beyond 4G wireless standards requires a high demand for the increased data rate, high spectral efficiency and minimal power requirement. Massive MIMO is a key technology that can be… read more here.
Keywords: linear precoding; complexity; massive mimo; low complexity ... See more keywords
Antenna Selection in TDD Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2019 at "Mobile Networks and Applications"
DOI: 10.1007/s11036-019-01297-5
Abstract: Massive multiple-input multiple-output (MIMO) system installs a large number of antennas on base station, it requires one radio frequency (RF) chain for each antenna. When the number of antennas is small, the power consumption of the… read more here.
Keywords: system; mimo; massive mimo; number ... See more keywords
Low-complexity interference cancellation algorithms for detection in media-based modulated uplink massive-MIMO systems
Sign Up to like & getrecommendations! Published in 2021 at "Telecommunication Systems"
DOI: 10.1007/s11235-020-00745-y
Abstract: Media-based modulation (MBM) is a novel modulation technique that can improve the spectral efficiency of the existing wireless systems. In MBM, multiple radio frequency (RF) mirrors are placed near the transmit antenna(s) and are switched… read more here.
Keywords: massive mimo; media based; detection; interference cancellation ... See more keywords
Implicit vs. Explicit Approximate Matrix Inversion for Wideband Massive MU-MIMO Data Detection
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Signal Processing Systems"
DOI: 10.1007/s11265-017-1313-z
Abstract: Massive multi-user (MU) MIMO wireless technology promises improved spectral efficiency compared to that of traditional cellular systems. While data-detection algorithms that rely on linear equalization achieve near-optimal error-rate performance for massive MU-MIMO systems, they require… read more here.
Keywords: detection; data detection; implicit explicit; matrix inversion ... See more keywords
Hybrid precoding for multiuser massive MIMO systems based on MMSE-PSO
Sign Up to like & getrecommendations! Published in 2020 at "Wireless Networks"
DOI: 10.1007/s11276-019-02187-0
Abstract: Hybrid Precoding has been adopted as a promising technology for 5th generation wireless communication systems. In this paper, we propose a hybrid precoding scheme based on minimum mean square error (MMSE) and particle swarm optimization… read more here.
Keywords: hybrid precoding; mmse pso; precoding multiuser; pso ... See more keywords
Beamforming Only Based on Specular Component for Downlink Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-016-3919-z
Abstract: In this paper, we are concerned with a multiuser downlink massive MIMO system operating over Ricean fading channels where each user can be equipped with one or multiple antennas. We present a beamforming (BF) transmission… read more here.
Keywords: massive mimo; specular component; based specular; downlink massive ... See more keywords
Performance Analysis of Downlink Linear Precoding in Massive MIMO Systems Under Imperfect CSI
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4314-0
Abstract: Demands of wireless data traffic, throughput, the number of wireless mobile connections and devices will always increase. In addition, the concern about energy consumption is also growing for wireless communication systems. Massive MIMO system is… read more here.
Keywords: linear precoding; mrt; massive mimo; performance ... See more keywords
Analytical Approximation for Capacity in Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4737-7
Abstract: In most existing research on massive multiple-input multiple-output (MIMO) systems, theoretical analysis relies on the assumption that the number of antennas at the base station is infinite. Under this assumption, channel vectors for different users… read more here.
Keywords: analytical approximation; massive mimo; channel; capacity massive ... See more keywords
QoS-Aware Balanced and Unbalanced Associations in Massive MIMO Enabled Heterogeneous Cellular Networks
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4782-2
Abstract: As for the massive MIMO (multiple-input and multiple-output) enabled HCNs, we design a QoS-aware association scheme to maximize the sum of achievable rates under long-term rate constraints. Since the various BSs have different transmit power… read more here.
Keywords: long term; qos aware; association; aware balanced ... See more keywords
Energy and Spectrum Optimization for 5G Massive MIMO Cognitive Femtocell Based Mobile Network Using Auction Game Theory
Sign Up to like & getrecommendations! Published in 2019 at "Wireless Personal Communications"
DOI: 10.1007/s11277-019-06179-3
Abstract: Energy and spectrum optimization for massive multiple input multiple output (MIMO) cognitive femtocell based fifth generation (5G) mobile network is developed using auction game. In 5G massive MIMO, multiple numbers of antennas are used to… read more here.
Keywords: femtocell; cognitive femtocell; spectrum; network ... See more keywords