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Title: The Error Performance Evaluation of Pulse Position Modulation with Hadamard Code in High Order Modulation of Optical Wireless System.
Authors: Ali, Agha Yasir; Asghar, Samiya; Iftikhar, Rumaisa; Shujun, Wang
Abstract: This paper investigates the error probability of our proposed modulation technique which is produced by combining the existing pulse position modulation (PPM) technique with Hadamard code (HC). Moreover, the HC is also combined with differential PPM (DPPM). The error performances of existing technique and the proposed technique are compared at high-order modulation (HOM) and low-order modulation. The results show that the error performance of the proposed technique outperforms at HOM at the cost of higher bandwidth. This error performance is improved due to the bipolar nature of HC and it reduces the power requirements of the system.
Subjects: HADAMARD codes; PULSE modulation; OPTICAL modulation; MODULATION coding; HADAMARD matrices
Publication: Fluctuation & Noise Letters, 2021, Vol 20, Issue 3, pN.PAG
ISSN: 0219-4775
Publication type: Academic Journal
DOI: 10.1142/S0219477521300019

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The Error Performance Evaluation of Pulse Position Modulation with Hadamard Code in High Order Modulation of Optical Wireless System.