Constructions of Euclidean Geometry LDPC Codes and Performance Analysis in MIMO-OFDM System

2006 ◽  
Author(s):  
Fangni Chen ◽  
Lei Shen ◽  
Shiju Li
Keyword(s):  
Performance Analysis ◽  
Euclidean Geometry ◽  
Ldpc Codes ◽  
Ofdm System ◽  
Mimo Ofdm ◽  
And Performance

scholarly journals Channel capacity and performance evaluation of precoded MIMO-OFDM system with large-size constellation

2019 ◽  
Vol 9 (6) ◽  
pp. 5024
Author(s):  
Hussein A. Leftah ◽  
Huda N. Alminshid
Keyword(s):  
Fading Channels ◽  
Channel Capacity ◽  
Orthogonal Frequency Division Multiplexing ◽  
Multiple Input Multiple Output ◽  
Ofdm System ◽  
Large Size ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Mimo Ofdm ◽  
And Performance

<p>Multiple input-multiple output (MIMO) is a multipath diversity exploring approach which is emerged with orthogonal frequency division multiplexing (OFDM) to produce MIMO-OFDM that is widely used in wireless communications. This paper presents a discrete Hart-ley transform (DHT) precoded MIMO-OFDM system over multipath frequency-selective fading channel with large-size quadrature amplitude modulation (16-QAM, 64-QAM and 256-QAM). A mathematical models for the BER and channel capacity over mutlipath fading channels are also derived in this paper. Average Bit-error-rate (BER) and channel capacity of the presented system is considered and compared with that of the traditional MIMO-OFDM. Simulation results shows that the transmission performance and channel capacity of the proposed schemes is better than that of the traditional MIMO-OFDM without a pre-coder.</p>

scholarly journals Optimal IA design and performance analysis for MIMO–OFDM systems with imperfect CSI

2020 ◽  
Vol 14 (10) ◽  
pp. 1603-1609
Author(s):  
Zhijie Feng ◽  
Weihua Liu ◽  
Xueqin Han ◽  
Zhe Zhang ◽  
Xueyan Chen
Keyword(s):  
Performance Analysis ◽  
Ofdm Systems ◽  
Imperfect Csi ◽  
Mimo Ofdm ◽  
And Performance
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