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Paper ID:IJSREM51369

STUDY AND ANALYSIS PRECODED ORTHOGONAL FDMA UPLINK SYSTEM

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-

Subject:

-

Paper ID:

IJSREM51369

Volume:

9 |

7 |

Jul 2025

Pages:

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Monthly (12 issues per year)

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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

PK

Praveen Kushwaha

DV

Dr.Jitendra Vaswani

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Abstract

This thesis aims to The mobile WiMAX air interface adopts orthogonal frequency division multiple access (OFDMA) as multiple access technique for its uplink (UL) and downlink (DL) to improve the multipath performance. All OFDMA based networks, including mobile WiMAX experiences the problem of high peak-to-average power ratio (PAPR). This thesis presents: Discrete-Cosine transform matrix (DCTM) precoding based random-interleaved OFDMA uplink system, Selecting mapping (SLM) based DCTM precoded random-interleaved OFDMA uplink system and Partial Transmit Sequence (PTS) based DCTM precoded random-interleaved OFDMA uplink system respectively, for PAPR reduction in mobile WiMAX systems. PAPR of the proposed systems is analyzed with the root-raised-cosine (RRC) pulse shaping to keep out of band radiation low and to meet the transmission spectrum mask requirement

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Cite This Article

Praveen Kushwaha, Dr.Jitendra Vaswani, "STUDY AND ANALYSIS PRECODED ORTHOGONAL FDMA UPLINK SYSTEM," International Journal of Scientific Research in Engineering and Management, vol. 9, no. 7, Jul 2025.

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Publication Date

7/17/2025

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Review Rounds: 2

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