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Title: :  WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE
PaperId: :  18096
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 8 Issue 4 2022
DUI:    16.0415/IJARIIE-18096
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Bimoshika R TPONJESLY COLLEGE OF ENGINEERING
Dr. M. R. KavithaPONJESLY COLLEGE OF ENGINEERING

Abstract

Electronics and Communication Engineering
Wireless Communication, Multiple Inputs and Multiple Outputs (MIMO), Orthogonal Frequency Division Multiplexing (OFDM), Hierarchical Hybrid Message Passing (HHMP).
Nowadays, as wireless communication techniques develop, there is a lot more interest in improved data rates, system capacity, as well as the QoS. For the communication system's architecture to be successful in addressing these problems, accurate channel modeling, and exact channel state information evaluation is essential. Similarly, issues like channel fading and Doppler shifts brought on by high mobility make the channel parameter estimate situation more challenging. To represent the organized sparsity with temporal dependency characteristics of Multiple Inputs and Multiple Outputs-Orthogonal Frequency Division Multiplexing (MIMO-OFDM) channels in the angle-delay domain, a hidden Markov model is suggested. The probabilistic model displays considerable flexibility to varied realistic propagating situations. The channel estimation challenge is then solved using a unique optimization framework called Bethe free energy (BFE) minimization, which is valid for a generic statistical model. A Hierarchical Hybrid Message Passing (HHMP) technique is provided to track dynamic spectrum variables iteratively. The suggested method may learn the sparse structure and temporal correlation of multiuser channels adaptively without knowing the hidden Markov channel parameters. Numerical simulations demonstrate how the proposed HHMP algorithm could predict angle-delay domain channels effectively while reducing iteration times or pilot overhead.In comparison to existing method, the suggested channel estimator performs better, demonstrating its effectiveness.

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IJARIIE Bimoshika R T, and Dr. M. R. Kavitha. "WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE" International Journal Of Advance Research And Innovative Ideas In Education Volume 8 Issue 4 2022 Page 2467-2474
MLA Bimoshika R T, and Dr. M. R. Kavitha. "WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE." International Journal Of Advance Research And Innovative Ideas In Education 8.4(2022) : 2467-2474.
APA Bimoshika R T, & Dr. M. R. Kavitha. (2022). WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE. International Journal Of Advance Research And Innovative Ideas In Education, 8(4), 2467-2474.
Chicago Bimoshika R T, and Dr. M. R. Kavitha. "WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE." International Journal Of Advance Research And Innovative Ideas In Education 8, no. 4 (2022) : 2467-2474.
Oxford Bimoshika R T, and Dr. M. R. Kavitha. 'WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE', International Journal Of Advance Research And Innovative Ideas In Education, vol. 8, no. 4, 2022, p. 2467-2474. Available from IJARIIE, https://ijariie.com/AdminUploadPdf/WIRELESS_CHANNEL_ESTIMATION_FOR_MIMO_OFDM_SYSTEMS_USING_HYBRID_MESSAGE_ijariie18096.pdf (Accessed : ).
Harvard Bimoshika R T, and Dr. M. R. Kavitha. (2022) 'WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE', International Journal Of Advance Research And Innovative Ideas In Education, 8(4), pp. 2467-2474IJARIIE [Online]. Available at: https://ijariie.com/AdminUploadPdf/WIRELESS_CHANNEL_ESTIMATION_FOR_MIMO_OFDM_SYSTEMS_USING_HYBRID_MESSAGE_ijariie18096.pdf (Accessed : )
IEEE Bimoshika R T, and Dr. M. R. Kavitha, "WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE," International Journal Of Advance Research And Innovative Ideas In Education, vol. 8, no. 4, pp. 2467-2474, Jul-Aug 2022. [Online]. Available: https://ijariie.com/AdminUploadPdf/WIRELESS_CHANNEL_ESTIMATION_FOR_MIMO_OFDM_SYSTEMS_USING_HYBRID_MESSAGE_ijariie18096.pdf [Accessed : ].
Turabian Bimoshika R T, and Dr. M. R. Kavitha. "WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 8 number 4 ().
Vancouver Bimoshika R T, and Dr. M. R. Kavitha. WIRELESS CHANNEL ESTIMATION FOR MIMO-OFDM SYSTEMS USING HYBRID MESSAGE. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2022 [Cited : ]; 8(4) : 2467-2474. Available from: https://ijariie.com/AdminUploadPdf/WIRELESS_CHANNEL_ESTIMATION_FOR_MIMO_OFDM_SYSTEMS_USING_HYBRID_MESSAGE_ijariie18096.pdf
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