- Title
- Optimal-Rate Characterisation for Pliable Index Coding using Absent Receivers
- Creator
- Ong, Lawrence; Vellambi, Badri N.; Kliewer, Jorg
- Relation
- 2019 IEEE International Symposium on Information Theory. Proceedings of 2019 IEEE International Symposium on Information Theory (Paris, France 07-12 July, 2019) p. 522-526
- Publisher Link
- http://dx.doi.org/10.1109/ISIT.2019.8849527
- Publisher
- Institute of Electrical and Electronics Engineers (IEEE)
- Resource Type
- conference paper
- Date
- 2019
- Description
- We characterise the optimal broadcast rate for a few classes of pliable-index-coding problems. This is achieved by devising new lower bounds that utilise the set of absent receivers to construct decoding chains with skipped messages. This work complements existing works by considering problems that are not complete-S, i.e., problems considered in this work do not require that all receivers with a certain side-information cardinality to be either present or absent from the problem. We show that for a certain class, the set of receivers is critical in the sense that adding any receiver strictly increases the broadcast rate.
- Subject
- absent receivers; broadcast rate; optimal rate; coding
- Identifier
- http://hdl.handle.net/1959.13/1460154
- Identifier
- uon:45876
- Identifier
- ISBN:9781538692912
- Language
- eng
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