Flicker Mitigating High Rate RLL Codes for VLC with Low Complexity Encoding and Decoding

Thummaluri, Uday Reddy and Kumar, Abhinav and Natarajan, Lakshmi Prasad (2018) Flicker Mitigating High Rate RLL Codes for VLC with Low Complexity Encoding and Decoding. In: 4th IEEE International Symposium on Smart Electronic Systems, iSES, 17-19 December 2018, Hyderabad, India.

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Visible light communications integrated with Internet-of-Things has numerous applications in indoor wireless communications and it requires high data rates and flicker mitigation. Flicker mitigation is an important consideration since light emitting diodes are simultaneously used for illumination and communications. Several run-length limited (RLL) codes have been proposed in the literature for flicker mitigation with trade-offs between code rate, bit error performance, encoding and decoding complexities. However, there are no generalized algorithms for high rate codes generation with low complexity encoding and decoding. Hence, in this paper, we propose generalized algorithm for generating high rate RLL codes with low complexity encoding and decoding. The proposed codes can be used for flicker mitigation conditioned on maximum flickering time period (MFTP). The performance of the proposed codes is compared with existing codes in terms of various metrics like code rate, minimum Hamming distance, peak to average power ratio, run-length, and bit error rate. We show that the proposed codes mitigate flicker conditioned on MFTP and provide high data rates with low complexity encoding and decoding compared to the codes in the literature.

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IITH Creators:
IITH CreatorsORCiD
Natarajan, Lakshmi Prasadhttp://orcid.org/0000-0003-1552-5240
Item Type: Conference or Workshop Item (Paper)
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 24 Jun 2019 05:51
Last Modified: 24 Jun 2019 05:51
URI: http://raiith.iith.ac.in/id/eprint/5537
Publisher URL: http://doi.org/10.1109/iSES.2018.00053
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