Wireless semantic communications : concepts, principles, and challenges / edited by Yao Sun, Lan Zhang, Dusit Niyato, Muhammad Ali Imran

Mitwirkende(r):

Resource type: Ressourcentyp: Buch (Online)Buch (Online)Sprache: Englisch Verlag: Hoboken, NJ : John Wiley & Sons, Inc, 2025Copyright-Datum: ©2025Beschreibung: 1 Online-Ressource (xx, 202 pages) : illustrations (some color)ISBN:

9781394223312
1394223315
9781394223329
1394223323
9781394223336
1394223331

Schlagwörter:

Andere physische Formen: 9781394223305. | Erscheint auch als: Wireless semantic communications. Druck-Ausgabe. First edition. Hoboken, NJ : Wiley, 2024DDC-Klassifikation:

006.3/32 23/eng20240723

LOC-Klassifikation:

Q387.5

Online-Ressourcen:

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Zusammenfassung: "The concept of semantic communication was first introduced by Weaver in his landmark paper, which explicitly categorizes communication problems into three levels, including the technical problem at the bit level, the semantic problem at the semantic level, and the effectiveness problem at the information exchange level. Nowadays, the technical problem has been thoroughly investigated in the light of classical Shannon information theory, while the evolution toward semantic communication is just beginning to take shape, with the core focus of meaning delivery rather than traditional bit transmission. Concretely, semantic communication first refines semantic features and filters out irrelevant content by encoding the semantic information (i.e., semantic encoding) at the source, which can greatly reduce the amount of required bits while preserving the original meaning. Then, the powerful semantic decoders are deployed at the destination to accurately recover the source meaning from received bits (i.e., semantic decoding), even if there are intolerable bit errors at the syntactic level. Most importantly, through further leveraging matched background knowledge with respect to the observable messages between source and destination, users can acquire efficient exchanges for the desired information with ultra-low semantic ambiguity by transmitting fewer bits"--PPN: PPN: 1940052440Package identifier: Produktsigel: ZDB-4-NLEBK | BSZ-4-NLEBK-KAUB

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