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Title: :  BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System
PaperId: :  4460
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 3 Issue 2 2017
DUI:    16.0415/IJARIIE-4460
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Dhanalakshmi PPrince shri venkateshwara padmavathy engineering college
Divya DPrince shri venkateshwara padmavathy engineering college
Jenny Niveditha GPrince shri venkateshwara padmavathy engineering college

Abstract

Electronics and Communication Engineering
QAM, relay, MRC, EGC, Fading, BER, SNR
The transmitter is a 4x4 MIMO antenna mode with Quadrature Amplitude Modulation (QAM) scheme is used to increase the SNR and to decrease the BER of the system. Here channel coefficient is evaluated and BER, PER, FER and capacity of the channel is improved. Here 10000 bits are given as input. As this whole system operates under Orthogonal Frequency Division Multiplexing (OFDM) scheme, various sub-carriers are allocated in the range of 8, 16 or 32. Also here, the relays are used perform the switching operation. The two types of relaying schemes used here are Amplify-and- Forward relay and Decode-and- Forward relay. Then the channel used here is Rayleigh fading channel and Additive White Gaussian Noise (AWGN) is added to the channel to minimize the effect of random processes that occur naturally. The channel coefficient and also the channel capacity is analyzed to illustrate the growth of the individual channels. Based on the relaying schemes the outputs from different channels are combined using Maximal Ratio Combining (MRC) or Equal Ratio Combining (ERC). At last proper demodulation is performed and the signal reaches the destination where proper PDFs and CDFs are used to analyze BER and SNR. The system runs under an algorithm called Water-Filling algorithm which is a method of power optimization algorithm to obtain high throughput and to improve the performance.

Citations

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IJARIIE Dhanalakshmi P, Divya D, and Jenny Niveditha G. "BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System" International Journal Of Advance Research And Innovative Ideas In Education Volume 3 Issue 2 2017 Page 2602-2613
MLA Dhanalakshmi P, Divya D, and Jenny Niveditha G. "BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System." International Journal Of Advance Research And Innovative Ideas In Education 3.2(2017) : 2602-2613.
APA Dhanalakshmi P, Divya D, & Jenny Niveditha G. (2017). BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System. International Journal Of Advance Research And Innovative Ideas In Education, 3(2), 2602-2613.
Chicago Dhanalakshmi P, Divya D, and Jenny Niveditha G. "BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System." International Journal Of Advance Research And Innovative Ideas In Education 3, no. 2 (2017) : 2602-2613.
Oxford Dhanalakshmi P, Divya D, and Jenny Niveditha G. 'BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System', International Journal Of Advance Research And Innovative Ideas In Education, vol. 3, no. 2, 2017, p. 2602-2613. Available from IJARIIE, http://ijariie.com/AdminUploadPdf/BER_Analysis_for_Quadrature_Amplitude_Modulation_in_MIMO_OFDM_System_ijariie4460.pdf (Accessed : 22 January 2019).
Harvard Dhanalakshmi P, Divya D, and Jenny Niveditha G. (2017) 'BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System', International Journal Of Advance Research And Innovative Ideas In Education, 3(2), pp. 2602-2613IJARIIE [Online]. Available at: http://ijariie.com/AdminUploadPdf/BER_Analysis_for_Quadrature_Amplitude_Modulation_in_MIMO_OFDM_System_ijariie4460.pdf (Accessed : 22 January 2019)
IEEE Dhanalakshmi P, Divya D, and Jenny Niveditha G, "BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System," International Journal Of Advance Research And Innovative Ideas In Education, vol. 3, no. 2, pp. 2602-2613, Mar-App 2017. [Online]. Available: http://ijariie.com/AdminUploadPdf/BER_Analysis_for_Quadrature_Amplitude_Modulation_in_MIMO_OFDM_System_ijariie4460.pdf [Accessed : 22 January 2019].
Turabian Dhanalakshmi P, Divya D, and Jenny Niveditha G. "BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 3 number 2 (22 January 2019).
Vancouver Dhanalakshmi P, Divya D, and Jenny Niveditha G. BER Analysis for Quadrature Amplitude Modulation in MIMO-OFDM System. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2017 [Cited : 22 January 2019]; 3(2) : 2602-2613. Available from: http://ijariie.com/AdminUploadPdf/BER_Analysis_for_Quadrature_Amplitude_Modulation_in_MIMO_OFDM_System_ijariie4460.pdf
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