New hybrid reverse differential pulse position width modulation scheme for wireless optical communication

Renbo Liao; Hongzhan Liu; Yaojun Qiao

doi:10.1117/1.OE.53.5.056112

21 May 2014 New hybrid reverse differential pulse position width modulation scheme for wireless optical communication

Renbo Liao, Hongzhan Liu, Yaojun Qiao

Author Affiliations +

Optical Engineering, Vol. 53, Issue 5, 056112 (May 2014). https://doi.org/10.1117/1.OE.53.5.056112

Abstract

In order to improve the power efficiency and reduce the packet error rate of reverse differential pulse position modulation (RDPPM) for wireless optical communication (WOC), a hybrid reverse differential pulse position width modulation (RDPPWM) scheme is proposed, based on RDPPM and reverse pulse width modulation. Subsequently, the symbol structure of RDPPWM is briefly analyzed, and its performance is compared with that of other modulation schemes in terms of average transmitted power, bandwidth requirement, and packet error rate over ideal additive white Gaussian noise (AWGN) channels. Based on the given model, the simulation results show that the proposed modulation scheme has the advantages of improving the power efficiency and reducing the bandwidth requirement. Moreover, in terms of error probability performance, RDPPWM can achieve a much lower packet error rate than that of RDPPM. For example, at the same received signal power of −28 dBm , the packet error rate of RDPPWM can decrease to 2.6×10 ⁻¹² , while that of RDPPM is 2.2×10 ⁻⁸ . Furthermore, RDPPWM does not need symbol synchronization at the receiving end. These considerations make RDPPWM a favorable candidate to select as the modulation scheme in the WOC systems.

Citation Download Citation

Renbo Liao, Hongzhan Liu, and Yaojun Qiao "New hybrid reverse differential pulse position width modulation scheme for wireless optical communication," Optical Engineering 53(5), 056112 (21 May 2014). https://doi.org/10.1117/1.OE.53.5.056112

Published: 21 May 2014

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