[PDF] Top 20 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 ... See full document

... in massive MIMO systems if the number of receive antennas is much larger than the product of transmit antennas and neighboring ...practical systems, the number of transmit and receive antennas ... See full document

... in massive MIMO) and that the pilot reuse factor is one, the worst possible use case ...the pilot contamination problem arises, consequently, all the other BSs will also receive the pilots ... See full document

... eliminate pilot contamination in massive MIMO ...the pilot contamination problem, making it possible to construct interference and noise free multi-cell massive MIMO sys- tems ... See full document

... terminals, massive multiple-input multiple-output (MIMO) has been shown promising to meet the challenges owing to its high spectrum ...Although massive MIMO can efficiently improve the system ... See full document

... of massive MIMO system is sparse in nature, where the significant paths (non-zero taps) of the channel, denoted as S, is much smaller than the maximum channel spread L, ...downlink massive ... See full document

... • Massive MIMO offers more degree of freedom because it is more robust than the conventional MIMO systems (Wu et ...2016). Massive MIMO depends on spatial multiplexing which in ... See full document

... the massive MIMO, which has recently attracted considerable attention,particularly focus on the potential impact of pilot contamination caused by the use of non-orthogonal pilot sequences by ... See full document

... The MIMO antenna technology has become an efficient Technology in modern cellular wireless communication ...systems. MIMO (multiple input, multiple output) is an antenna technology for wireless ... See full document

... A massive multiple input multiple output (MIMO) system, which exploits a huge number of antennas array at the base station (BS) to assist ten or hundred users equipment, suffers from pilot ... See full document

... orthogonal pilot sequences are used by the ...single-cell massive MIMO setup and assess their joint spectral efficiency, however they do not deal with channel estimation, linear decoding problems and ... See full document

... non-overlapping pilot sub ...send pilot signals, which were orthogonal to other users inside these cells as explained in ...strict pilot contamination, which resulted in poor ...predefined ... See full document

... A pilot allocation scheme based on the coalition game is proposed for TDD massive MIMO ...the pilot allocation scheme based on the coalition game (for different utility functions) is simulated ... See full document

... a pilot scheduling scheme based on the degradation is proposed to maximize the target cell’s achievable sum rate in massive MIMO ...optimal pilot sequence to the user who suffers from greatest ... See full document

... of Massive Multiple Input Multiple Output ...a Massive Multiuser (MU)-MIMO setup to tackle the mixed-service communication ...of Massive MIMO and waveform ...(FBMC)-based Massive ... See full document

... In massive MIMO there is inherently a large degree-of-freedom (due to the large number of antennas at the BS), that can be utilized to reduce the PAR The proposed antenna-reservation method has a low ... See full document

... Information technology bound to enter the era of big data with the continuous development of broadband wireless business. The number of mobile terminals will reach 50 billion [2] and the amount of data generated from ... See full document

... operate MIMO-NOMA with limited RF chains is to select the best subset of antennas for these RF chains [53][54][55]. Di ff erent antennas correspond to di ff erent performance; even the same antenna subset has di ... See full document

... (MIMO) systems equipped with large number of antennas at the base station (BS) have been proposed recently to handle the challenges of enormous data rates essential by the recent applications which are ... See full document

... Even though D2D been studied extensively in the context of cellular networks with BSs equipped with a single antenna, the analysis of D2D with massive MIMO is still in its infancy. In [7] and [8], the ... See full document