Joint Source-Channel Coding With Feedback
This paper quantifies the fundamental limits of variable-length transmission of a general (possibly analog) source over a memoryless channel with noiseless feedback, under a distortion constraint. We consider excess distortion, average distortion, and guaranteed distortion (d-semifaithful codes). In...
| Autori principali: | , , |
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| Natura: | Articolo |
| Lingua: | English |
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Institute of Electrical and Electronics Engineers (IEEE)
2019
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| Accesso online: | https://hdl.handle.net/1721.1/121936 |
| _version_ | 1826217058783723520 |
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| author | Kostina, Victoria Polyanskiy, Yury Verdu, Sergio |
| author2 | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science |
| author_facet | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Kostina, Victoria Polyanskiy, Yury Verdu, Sergio |
| author_sort | Kostina, Victoria |
| collection | MIT |
| description | This paper quantifies the fundamental limits of variable-length transmission of a general (possibly analog) source over a memoryless channel with noiseless feedback, under a distortion constraint. We consider excess distortion, average distortion, and guaranteed distortion (d-semifaithful codes). In contrast to the asymptotic fundamental limit, a general conclusion is that allowing variable-length codes and feedback leads to a sizable improvement in the fundamental delay-distortion tradeoff. In addition, we investigate the minimum energy required to reproduce k source samples with a given fidelity after transmission over a memoryless Gaussian channel, and we show that the required minimum energy is reduced with feedback and an average (rather than maximal) power constraint. |
| first_indexed | 2024-09-23T16:57:31Z |
| format | Article |
| id | mit-1721.1/121936 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T16:57:31Z |
| publishDate | 2019 |
| publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| record_format | dspace |
| spelling | mit-1721.1/1219362022-09-29T22:40:27Z Joint Source-Channel Coding With Feedback Kostina, Victoria Polyanskiy, Yury Verdu, Sergio Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Laboratory for Information and Decision Systems This paper quantifies the fundamental limits of variable-length transmission of a general (possibly analog) source over a memoryless channel with noiseless feedback, under a distortion constraint. We consider excess distortion, average distortion, and guaranteed distortion (d-semifaithful codes). In contrast to the asymptotic fundamental limit, a general conclusion is that allowing variable-length codes and feedback leads to a sizable improvement in the fundamental delay-distortion tradeoff. In addition, we investigate the minimum energy required to reproduce k source samples with a given fidelity after transmission over a memoryless Gaussian channel, and we show that the required minimum energy is reduced with feedback and an average (rather than maximal) power constraint. National Science Foundation (U.S.) (Grant CCF-1016625) National Science Foundation (U.S.). Career Award (Grant CCF-1253205) National Science Foundation (U.S.). Center for Science of Information (Grant CCF-0939370) 2019-07-23T20:08:44Z 2019-07-23T20:08:44Z 2017-06 2019-07-01T17:17:24Z Article http://purl.org/eprint/type/JournalArticle 0018-9448 1557-9654 https://hdl.handle.net/1721.1/121936 Kostina, Victoria, Yury Polyanskiy and Sergio Verd ́u. "Joint source-channel coding with feedback." IEEE Transactions on Information Theory 63, issue 6 (June 2017 ): pp. 3502 - 3515. en 10.1109/tit.2017.2674667 IEEE Transactions on Information Theory Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Institute of Electrical and Electronics Engineers (IEEE) MIT web domain |
| spellingShingle | Kostina, Victoria Polyanskiy, Yury Verdu, Sergio Joint Source-Channel Coding With Feedback |
| title | Joint Source-Channel Coding With Feedback |
| title_full | Joint Source-Channel Coding With Feedback |
| title_fullStr | Joint Source-Channel Coding With Feedback |
| title_full_unstemmed | Joint Source-Channel Coding With Feedback |
| title_short | Joint Source-Channel Coding With Feedback |
| title_sort | joint source channel coding with feedback |
| url | https://hdl.handle.net/1721.1/121936 |
| work_keys_str_mv | AT kostinavictoria jointsourcechannelcodingwithfeedback AT polyanskiyyury jointsourcechannelcodingwithfeedback AT verdusergio jointsourcechannelcodingwithfeedback |