Massive MIMO Systems
Pilot allocation scheme based on coalition game for TDD massive MIMO systems
... A pilot allocation scheme based on the coalition game is proposed for TDD massive MIMO systems. This scheme can be suitable for any actual scene in which cells are ir- regularly shaped (BSs ...
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Pilot contamination reduction in massive MIMO systems based on pilot scheduling
... the massive MIMO multi- cell multi-user system model, while Section 3 is devoted to detailing the pilot contamination, which is the main performance-limiting factor of massive MIMO ...
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PAPR Reduction Method for OFDM Based Massive MIMO Systems
... very-large MIMO, is a promising technology to meet the ever growing demands for higher throughput and better quality-of-service of next-generation wireless communication ...systems. MIMO is a method ...
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On the Uplink Max-Min SINR of Cell-Free Massive MIMO Systems
... cell-free Massive MIMO which has the potential to meet the capacity requirements of ...collocated massive MIMO, the distributed version brings the APs much closer to the “cell edge” users, ...
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Hybrid beamforming with reduced number of phase shifters for massive MIMO systems
... In this paper, we investigated the performance of hybrid beamformers when the RF beamformer consists of a com- bination of subconnected phase shifter network with fully- connected/subconnected switch networks. The ...
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Adaptive antenna selection and power allocation in downlink massive MIMO systems
... that maximized data rate in a large-scale antenna arrays based on the downlink channel condition. This is proportional to the number of active users (UEs) K, where the number of RF chains equals the amount of power ...
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On the Application of Massive MIMO Systems to Machine Type Communications
... to massive MIMO systems due to the pilot-contamination problem that might arise when pilot sequences are reused ...a massive number of MTC ...
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Joint Transmit Antennas for Energy Efficiency in Downlink Massive MIMO Systems
... in massive Abstract: Massive multiple-input-multiple-output (MIMO) systems are an exciting area of fifth-generation (5G) technology and very important in maximizing energy efficiency (EE) and ...
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A unified complex noncentral Wishart type distribution inspired by massive MIMO systems
... Communications systems with multiple-input-multiple-output (MIMO) design have become very popular since they allow higher bit rate and because of their applications in the analysis of signal-to-noise ratio ...
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A limited feedback scheme for massive MIMO systems based on principal component analysis
... In this case, principal component analysis (PCA) can offer a tradeoff between system capacity and practical implementation [23, 24]. Compared with a DCT basis, PCA can be more adaptive to the change of the channel state, ...
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Uncoordinated pilot decontamination in massive MIMO systems
... practical systems, like LTE and its successor ...these systems’ ability to improve the spectral efficiency. The success of MIMO technology has motivated research in extending the idea of MIMO ...
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Analysis of the performance of massive MIMO systems
... if MIMO 4x4 can reach 16 bits / s / Hz (Comes, et ...above, Massive MIMO systems far outweigh the performance of cellular communication ...
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Leveraging D2D Communication to Maximize the Spectral Efficiency of Massive MIMO Systems
... of massive MIMO, a large antenna array is deployed at the base station ...of massive MIMO is that the number of antennas is much larger than the UEs and this allows for significant ...
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Reduction Pilot Contamination in Downlink Multi-Cell for Massive MIMO Systems
... A massive MIMO system, which exploits a huge number of antennas array at the base station (BS) is able to assist ten users equipment and this technique may suffer from pilot contamination due to inter-cell ...
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Adaptive Compressive Sensing Based Channel Estimation for 5G Massive MIMO Systems
... channel coefficients, which builds the frameworks pilot overhead and computational intricacy with the aim that it decreases the throughput of the framework [5]. that is a tough trouble which has been tended to in [3–6]. ...
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Performance of Massive MIMO in a Rician Fading Channel Using a ZF Precoder
... of Massive MIMO presumes ...of Massive MIMO systems with imperfect channel state information (CSI) have been thoroughly characterized and enhanced for fading channels modeled by either ...
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On massive MIMO and its applications to machine type communications and FBMC-based networks
... in Massive MIMO systems – which of course is not the case for systems with just a moderate number of ...past, Massive MIMO has gained significant momentum as potential candidate ...
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MASSIVE MIMO: CHANNEL MEASUREMENTS AND THEIR MODELS & FORTHCOMING ASPECTS
... A massive MIMO system may be made with low-cost components because the linear necessity of the antenna amplifiers is small when each antenna is assigned with less ...multi-user MIMO (MU-MIMO) ...
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Beamforming in Massive MIMO
... The MASSIVE MIMO systems provide many advantages compared to single-antenna-to-single-antenna communication such as the sensitivity to fading is reduced by using spatial diversity that is provided by ...
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The Physical Layer Technologies in 5G Mobile Communication System
... of massive MIMO systems as a key enabling technology for future beyond 4G cellular systems have been highlighted in this ...by massive use of parallel low- cost, low-power units that ...
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