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Paper ID:IJSREM43721

Digital Modulation in Modern Communication Systems

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM43721

Volume:

9 |

4 |

Apr 2025

Pages:

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/ijsrem43721

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

SN

Sharan N

PSVS

Prof. Suma V Shetty

DHCSK

Dr. H C Sateesh Kumar

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Abstract

– Digital modulation is a fundamental technology in modern communication systems, enabling efficient and reliable data transmission over wired and wireless networks. Compared to analog modulation, digital techniques such as Phase Shift Keying (PSK), Quadrature Amplitude Modulation (QAM), and Orthogonal Frequency Division Multiplexing (OFDM) offer higher data rates, superior noise immunity, and better spectral efficiency. These advantages make digital modulation essential for applications in mobile communication, satellite systems, and the Internet of Things (IoT). Additionally, digital modulation supports advanced error correction, encryption, and digital signal processing (DSP), ensuring robust and secure communication. This paper explores the principles, advantages, and applications of digital modulation, emphasizing its critical role in modern communication technologies such as 4G, 5G, and beyond.

KEYWORDS

Digital Modulation PSK QAM OFDM Noise Immunity Spectral Efficiency 5G IoT DSP Wireless Communication

Cite This Article

Sharan N, Prof. Suma V Shetty, Dr. H C Sateesh Kumar, "Digital Modulation in Modern Communication Systems," International Journal of Scientific Research in Engineering and Management, vol. 9, no. 4, Apr 2025. https://doi.org/10.55041/ijsrem43721

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4/4/2025

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Review Rounds: 2

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