Implementation of pulse interval modulation based on dualmapping technique for optical wireless communications |
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Authors: | Tie-ying Zhang Hong-xing Wang Hao Hu and Pei-sheng Cong |
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Affiliation: | (1) Center for Research in Microelectronics, Department of Electronics Engineering, Institute of Technology, Banaras Hindu University, Varanasi, 221005, India; |
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Abstract: | Aiming at implementing the digital pulse interval modulation (DPIM) for optical wireless communications (OWC), a dualmapping
technique is presented. The scheme of DPIM train based upon the dual-mapping technique is given. Its slot error rate is derived
for the avalanche photonic diode (APD) receiver model, and is compared with that of classical DPIM. Simulation results show
that the dual-mapping DPIM (D-DPIM), which has a fixed slot length, only has marginally inferior error performance, but can
solve waiting slots or buffer overflowing in comparison with DPIM. Hence, it is suitable for the optical wireless communication
systems. |
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Keywords: | |
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