Performance Improvement of Turbid Underwater Wireless Optical Communication Link Using Ratiometric Signal Processing
This article introduces a technique of improving the link performance of the underwater wireless optical communication (UWOC) system in terms of signal-to-noise ratio (SNR) by incorporating a novel ratiometric signal processing (RSP) scheme at the receiver node. In addition, the temporal fluctuation...
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| Veröffentlicht in: | IEEE journal of oceanic engineering 2022-10, Vol.47 (4), p.1203-1214 |
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| container_title | IEEE journal of oceanic engineering |
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| creator | Kumar, Sanjay Bosu, Rahul Prince, Shanthi R, Rajesh |
| description | This article introduces a technique of improving the link performance of the underwater wireless optical communication (UWOC) system in terms of signal-to-noise ratio (SNR) by incorporating a novel ratiometric signal processing (RSP) scheme at the receiver node. In addition, the temporal fluctuations in the attenuation coefficient information (ACI) of the UWOC channel in the nonuniform turbulent regime are analyzed, and the corresponding distribution function is analytically derived. The consistency of the obtained statistical distribution of the ACI parameter is analyzed by simulating the experimental data in a UWOC prototype link within a laboratory-controlled turbulent regime. The experimental outcomes indicate a relative improvement in the SNR by 1.70 to 3.23 dB in the nonuniform turbulent conditions upon incorporating the proposed RSP technique at the receiver node. It is also observed that the mean square error and an average difference of the received images that are processed by incorporating the RSP technique are lower as compared to that of the images without processing at the receiver node in the UWOC prototype link. The approach of implementing the proposed RSP technique is observed to improve the performance of the UWOC link. |
| doi_str_mv | 10.1109/JOE.2022.3159329 |
| format | Article |
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In addition, the temporal fluctuations in the attenuation coefficient information (ACI) of the UWOC channel in the nonuniform turbulent regime are analyzed, and the corresponding distribution function is analytically derived. The consistency of the obtained statistical distribution of the ACI parameter is analyzed by simulating the experimental data in a UWOC prototype link within a laboratory-controlled turbulent regime. The experimental outcomes indicate a relative improvement in the SNR by 1.70 to 3.23 dB in the nonuniform turbulent conditions upon incorporating the proposed RSP technique at the receiver node. It is also observed that the mean square error and an average difference of the received images that are processed by incorporating the RSP technique are lower as compared to that of the images without processing at the receiver node in the UWOC prototype link. 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(IEEE) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c244t-bbc0d2db326c1111eea1e2a30c78d01e3d0d7ea16dd908c4cb579369457370043</cites><orcidid>0000-0002-9532-1813 ; 0000-0002-9473-8078 ; 0000-0002-6444-9515 ; 0000-0001-9399-622X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9772060$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9772060$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Kumar, Sanjay</creatorcontrib><creatorcontrib>Bosu, Rahul</creatorcontrib><creatorcontrib>Prince, Shanthi</creatorcontrib><creatorcontrib>R, Rajesh</creatorcontrib><title>Performance Improvement of Turbid Underwater Wireless Optical Communication Link Using Ratiometric Signal Processing</title><title>IEEE journal of oceanic engineering</title><addtitle>JOE</addtitle><description>This article introduces a technique of improving the link performance of the underwater wireless optical communication (UWOC) system in terms of signal-to-noise ratio (SNR) by incorporating a novel ratiometric signal processing (RSP) scheme at the receiver node. In addition, the temporal fluctuations in the attenuation coefficient information (ACI) of the UWOC channel in the nonuniform turbulent regime are analyzed, and the corresponding distribution function is analytically derived. The consistency of the obtained statistical distribution of the ACI parameter is analyzed by simulating the experimental data in a UWOC prototype link within a laboratory-controlled turbulent regime. The experimental outcomes indicate a relative improvement in the SNR by 1.70 to 3.23 dB in the nonuniform turbulent conditions upon incorporating the proposed RSP technique at the receiver node. It is also observed that the mean square error and an average difference of the received images that are processed by incorporating the RSP technique are lower as compared to that of the images without processing at the receiver node in the UWOC prototype link. The approach of implementing the proposed RSP technique is observed to improve the performance of the UWOC link.</description><subject>Attenuation</subject><subject>Attenuation coefficient information (ACI)</subject><subject>Attenuation coefficients</subject><subject>Communication</subject><subject>Communications systems</subject><subject>Distribution</subject><subject>Distribution functions</subject><subject>Extinction coefficient</subject><subject>Laser beams</subject><subject>Mathematical analysis</subject><subject>Nodes</subject><subject>Optical attenuators</subject><subject>optical beam</subject><subject>Optical communication</subject><subject>Optical fiber communication</subject><subject>optical propagation</subject><subject>Optical receivers</subject><subject>Optical transmitters</subject><subject>Performance enhancement</subject><subject>Prototypes</subject><subject>Scattering</subject><subject>Signal processing</subject><subject>Signal to noise ratio</subject><subject>turbulence</subject><subject>Underwater</subject><subject>Underwater communication</subject><subject>underwater optical communication</subject><subject>Wireless communications</subject><issn>0364-9059</issn><issn>1558-1691</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhhdRsFbvgpcFz6mzH8l2j1KqVgot2uIxJLuTsrVJ6m6i-O_d0uJcZph53mHmJeSWwYgx0A-vi-mIA-cjwVItuD4jA5am44Rlmp2TAYhMJhpSfUmuQtgCMCmVHpBuib5qfV00Bums3vv2G2tsOtpWdNX70lm6biz6n6JDTz-cxx2GQBf7zpliRydtXfdNLDvXNnTumk-6Dq7Z0LdDp8bOO0Pf3aaJ7NK3Jmrj9JpcVMUu4M0pD8n6abqavCTzxfNs8jhPDJeyS8rSgOW2FDwzLAZiwZAXAowaW2AoLFgVe5m1GsZGmjJVWmRapkooACmG5P64N7711WPo8m3b-3hLyLniQkdGZpGCI2V8G4LHKt97Vxf-N2eQH7zNo7f5wdv85G2U3B0lDhH_ca0UhwzEH8UUdtc</recordid><startdate>202210</startdate><enddate>202210</enddate><creator>Kumar, Sanjay</creator><creator>Bosu, Rahul</creator><creator>Prince, Shanthi</creator><creator>R, Rajesh</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Attenuation Attenuation coefficient information (ACI) Attenuation coefficients Communication Communications systems Distribution Distribution functions Extinction coefficient Laser beams Mathematical analysis Nodes Optical attenuators optical beam Optical communication Optical fiber communication optical propagation Optical receivers Optical transmitters Performance enhancement Prototypes Scattering Signal processing Signal to noise ratio turbulence Underwater Underwater communication underwater optical communication Wireless communications |
| title | Performance Improvement of Turbid Underwater Wireless Optical Communication Link Using Ratiometric Signal Processing |
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