Accurate multiple-input multiple-output fading channel simulator using a compact and high-throughput reconfigurable architecture

2011 ◽  
Vol 5 (6) ◽  
pp. 844-852 ◽  
Author(s):  
A. Alimohammad ◽  
B.F. Cockburn ◽  
S.F. Fard
Keyword(s):  
High Throughput ◽  
Fading Channel ◽  
Multiple Input Multiple Output ◽  
Reconfigurable Architecture ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Fading Channel Simulator ◽  
Channel Simulator

scholarly journals Massive MIMO and Hybrid Optimization for It's Beamforming

2019 ◽  
Vol 8 (3) ◽  
pp. 7692-7698
Keyword(s):  
Wireless Communication ◽  
High Throughput ◽  
Communication System ◽  
High Speed ◽  
Multiple Input Multiple Output ◽  
Research Work ◽  
Network Capacity ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Mimo Technology

The tremendous growth of traffic in wireless communication (WC) system has resulted in inadequate network capacity. 5th Generation (5G) is seen as next generation wireless communication system implemented with massive multiple-input multiple-output (M-MIMO) technology. It will play major role in future communication system. M-MIMO objective is high throughput and high speed. Beamforming technique is a key to high throughput objective - achieved by reduction in errors occurring in data transmission and reception. The intent of this research paper is to review - beam forming techniques implemented in M-MIMO and research work in this particular area. Paper classifies optimized beamforming techniques in detail for determining appropriate techniques that can be deployed in M-MIMO. Understanding limitations of present techniques and suggesting new approach for better throughput is outcome of retrospective analysis.

scholarly journals A New Generation Method for Spatial-Temporal Correlated MIMO Nakagami Fading Channel

2012 ◽  
Vol 2012 ◽  
pp. 1-8 ◽  
Author(s):  
Qiu-Ming Zhu ◽  
Xiang-Bin Yu ◽  
Jun-Bo Wang ◽  
Da-Zhuan Xu ◽  
Xiao-Min Chen
Keyword(s):  
Fading Channel ◽  
Multiple Input Multiple Output ◽  
Correlation Coefficients ◽  
Temporal Correlation ◽  
Low Complexity ◽  
Nakagami Fading ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Nakagami Fading Channel ◽  
New Generation

A new generation method for spatial and temporal correlated multiple-input multiple-output (MIMO) Nakagami fading channel is proposed, which has low complexity and is applicable for arbitrary fading parameters and prespecified correlation coefficients of different subchannel. The new scheme can be divided into two steps: (1) generate independent Nakagami fading sequences for each subchannel based on a novel rejection method; (2) introduce the temporal and spatial correlation based on the relationships between Rayleigh, Gamma, and Nakagami random processes. The analysis and simulation results show that the proposed simulator has a good agreement with the theoretical model on fading envelope distribution, spatial-temporal correlation characteristic.

Examination of the multiple-input multiple-output space-time block-code selective decode and forward relaying protocol over non-homogeneous fading channel conditions

2021 ◽  
pp. 154851292110475
Author(s):  
Ravi Shankar ◽  
Patteti Krishna ◽  
Naraiah R
Keyword(s):  
Fading Channel ◽  
Multiple Input Multiple Output ◽  
Block Code ◽  
Channel Fading ◽  
Time Block ◽  
Decode And Forward ◽  
Space Time Block Code ◽  
Multiple Input ◽  
Channel Conditions ◽  
Input Multiple Output

With the tremendous increase in wireless user traffic, investigation on the end-to-end reliability of wireless networks in practical conditions such as non-homogeneous fading channel conditions is becoming increasingly widespread. Because they fit well to the experimental data, generalized channel fading distributions like κ–μ are well suited for modeling diverse fading channels. This paper analyzes the symbol error rate (SER) and outage probability (OP) performance of multiple-input multiple-output (MIMO) space-time block-code (STBC) selective decode and forward (S-DF) network over κ–μ fading channel conditions considering the additive white Gaussian noise (AWGN). First, the closed-form (CF) analytical expressions for the probability density function (PDF) and the cumulative distribution function (CDF) of the received signal-to-noise ratio (SNR) as well as its moment generating function (MGF) are derived. Second, the OP performance is then investigated for various values of the channel fading parameter and SNR regimes. The simulation findings show an increase in SER performance with an improved line-of-sight (LOS) component. Furthermore, the results show that the S-DF relaying systems can function properly even when there is no fading or LOS component. The OP has been increasing with the increase in the value of μ and κ. In medium and high SNR regimes, simulation results exactly match with analytical results.

scholarly journals A Novel Modulation Scheme of 8x8 MIMO in Industry 4.0

2021 ◽  
Vol 23 (3) ◽  
pp. 1-10
Author(s):  
Rajashree Suryawanshi ◽  
P. Kavipriya ◽  
B.P. Patil
Keyword(s):  
Fading Channel ◽  
Industry 4.0 ◽  
Adaptive Modulation ◽  
Multiple Input Multiple Output ◽  
Modulation Scheme ◽  
Zero Forcing ◽  
Lte Advanced ◽  
Multiple Input ◽  
Qam Modulation ◽  
Input Multiple Output

A key component in the usage of Industry 4.0 arrangements is the up and coming age of system network, LTE/LTE advanced today, and 5G, later on. Industry 4.0 is conveying private LTE arranges today, as they trust it will give them an upper hand and a solid head start when 5G opens up. LTE uses multiple input multiple output (MIMO), a promising technique to accomplish the necessary data rate. This article presents consequences of 8x8 MIMO framework in fading channel utilizing V-BLAST by means of zero-forcing (ZF) with standard ZF. The relative investigation in the fading channel on account of symbol error proves V-BLAST by means of ZF has predominant execution than standard ZF finder. In addition to this, in order to support adaptive modulation, various M-QAM modulation schemes for these detectors are compared. This comparison shows 128-QAM performs superiorly to staying two. This investigation is carried out to help utilization of MIMO in LTE to support Industry 4.0.

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