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ArticlePeer ReviewedOpen AccessPlagiarism Passed
Paper ID:IJSREM62154

PERFORMANCE ANALYSIS OF POWER ALLOCATION TECHNIQUES IN FM-OFDM SYSTEMS UNDER FREQUENCY-DEPENDENT NOISE

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM62154

Volume:

10 |

4 |

April 2026

Pages:

1-7

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/IJSREM62154

License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

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Authors

Nikhat Shaikh

Nikhat Shaikh

Department of Electronics and Communication

Alpine institute of technology and science

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Mentors

PVJ

Prof. Vaishali Joshi

Department of Electronics and Communication

Alpine institute of technology and science

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Abstract

Unlike conventional OFDM, FM-OFDM provides enhanced resilience against non-linear distortions, making it a better choice for high-power transmission environments[6][7][19]. Although the presence of frequency-dependent noise across subcarriers introduces challenges in maintaining steady performance [20]. This paper presents a comparative analysis of different power allocation techniques, including Equal Power Allocation, Emphasis Filter Equivalent (EFE), and Modified Waterfilling (MWF), in FM-OFDM systems . The system performance is analyzed in terms of BER and bandwidth efficiency against fluctuating SNR [6]. Simulation results demonstrate that each method exhibits distinct advantages depending on the operating region, highlighting the need for adaptive strategies in practical systems [18][20].

KEYWORDS

FREQUENCY-DEPENDENT NOISE

Cite This Article

Nikhat Shaikh, Prof. Vaishali Joshi, "PERFORMANCE ANALYSIS OF POWER ALLOCATION TECHNIQUES IN FM-OFDM SYSTEMS UNDER FREQUENCY-DEPENDENT NOISE," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 4, pp. 1-7, April 2026. https://doi.org/10.55041/IJSREM62154

Full Article/Conclusion

This paper presented a comparative analysis of power allocation techniques in FM-OFDM systems. The study demonstrated that the performance of each method varies with SNR conditions and system requirements. While EFE and MWF offer improvements over Equal Power Allocation, their static nature limits their effectiveness across all scenarios [18][20]. The findings highlight the need for adaptive approaches to achieve optimal performance in dynamic wireless environments.

References

 [1] C. E. Shannon, “Communication in the presence of noise,” Proceedings of the IRE, vol. 37, no. 1, pp. 10–21, Jan. 1949. [2] R. W. Chang, “Synthesis of band-limited orthogonal signals for multichannel data transmission,” Bell System Technical Journal, vol. 45, no. 10, pp. 1775–1796, Dec. 1966. [3] S. B. Weinstein and P. M. Ebert, “Data transmission by frequency-division multiplexing using the discrete Fourier transform,” IEEE Transactions on Communication Technology, vol. 19, no. 5, pp. 628–634, Oct. 1971. [4] L. J. Cimini Jr., “Analysis and simulation of a digital mobile channel using orthogonal frequency division multiplexing,” IEEE Transactions on Communications, vol. 33, no. 7, pp. 665–675, July 1985. [5] J. G. Proakis and M. Salehi, Digital Communications, 5th ed. New York, USA: McGraw-Hill, 2008. [6] D. Tse and P. Viswanath, Fundamentals of Wireless Communication. Cambridge, U.K.: Cambridge University Press, 2005. [7] S. Haykin, Communication Systems, 5th ed. New York, USA: Wiley, 2009. [8] Z. Wang and G. B. Giannakis, “A simple and general parameterization quantifying performance in fading channels,” IEEE Transactions on Communications, vol. 51, no. 8, pp. 1389–1398, Aug. 2003. [9] L. Vandendorpe, J. Louveaux, O. Oguz, and A. Zaidi, “Rate-optimized power allocation for DF-relayed OFDM transmission under sum and individual power constraints,” EURASIP Journal on Wireless Communications and Networking, vol. 2009, Article ID 814278, 2009. [10] M. Tao, Y.-C. Liang, and F. Zhang, “Resource allocation for delay differentiated traffic in multiuser OFDM systems,” IEEE Transactions on Wireless Communications, vol. 7, no. 6, pp. 2190–2201, June 2008.

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Publication Date

5/2/2026

Peer Review Type

Double-Blind Peer Review

Review Rounds: 2

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