Matches in SemOpenAlex for { <https://semopenalex.org/work/W2816368466> ?p ?o ?g. }
Showing items 1 to 76 of
76
with 100 items per page.
- W2816368466 abstract "The capacity of the Fast Fading Z Cognitive Inter-ference (FFZCI) channel is investigated. The FFZCI channel is a variation of the Z Gaussian cognitive interference channel in which the link between the primary transmitter and the cognitive receiver is affected by fast fading. The fast fading sequence is known at the cognitive receiver but not at the cognitive transmitter. The FFZCI channel models an underlay cognitive network in which a primary and a cognitive user attempt to communicate over the same medium: the cognitive encoder is able to acquire the primary message from the network but is unable, due to fading, to precisely estimate of the channel between the primary transmitter and the cognitive receiver. The FFZCI channel, therefore, addresses the fundamental question of the value of cognition in the presence of partial channel knowledge. For this model, we derive inner and outer bounds to capacity and provide simple conditions under which the two bounds are to within a small additive gap. The inner bound relies on a combination of rate-splitting, superposition coding, and interference pre-coding. An outer bound for the case of antipodal fading is developed through the entropy power inequality for a parameter regime in which the primary-to-cognitive interference gain is small. The inner and outer bounds are shown to be to within a small distance in a further subset of channels in which the transmit power is also sufficiently large. Although the capacity of the general channel remains unknown, our results so far suggest that a small amount of channel uncertainty is sufficient to render interference pre-cancellation of the primary interference at the cognitive receiver substantially ineffective." @default.
- W2816368466 created "2018-07-19" @default.
- W2816368466 creator A5067224441 @default.
- W2816368466 date "2018-04-01" @default.
- W2816368466 modified "2023-09-28" @default.
- W2816368466 title "The fast fading Z cognitive interference channel" @default.
- W2816368466 cites W1976109068 @default.
- W2816368466 cites W2002788278 @default.
- W2816368466 cites W2084402110 @default.
- W2816368466 cites W2102617152 @default.
- W2816368466 cites W2120365147 @default.
- W2816368466 cites W2179880807 @default.
- W2816368466 cites W2209691103 @default.
- W2816368466 cites W3169111758 @default.
- W2816368466 doi "https://doi.org/10.1109/iwcit.2018.8405037" @default.
- W2816368466 hasPublicationYear "2018" @default.
- W2816368466 type Work @default.
- W2816368466 sameAs 2816368466 @default.
- W2816368466 citedByCount "0" @default.
- W2816368466 crossrefType "proceedings-article" @default.
- W2816368466 hasAuthorship W2816368466A5067224441 @default.
- W2816368466 hasConcept C114614502 @default.
- W2816368466 hasConcept C127162648 @default.
- W2816368466 hasConcept C13944312 @default.
- W2816368466 hasConcept C148063708 @default.
- W2816368466 hasConcept C149946192 @default.
- W2816368466 hasConcept C184720557 @default.
- W2816368466 hasConcept C2777679929 @default.
- W2816368466 hasConcept C32542511 @default.
- W2816368466 hasConcept C33923547 @default.
- W2816368466 hasConcept C41008148 @default.
- W2816368466 hasConcept C47798520 @default.
- W2816368466 hasConcept C555944384 @default.
- W2816368466 hasConcept C76155785 @default.
- W2816368466 hasConcept C81978471 @default.
- W2816368466 hasConceptScore W2816368466C114614502 @default.
- W2816368466 hasConceptScore W2816368466C127162648 @default.
- W2816368466 hasConceptScore W2816368466C13944312 @default.
- W2816368466 hasConceptScore W2816368466C148063708 @default.
- W2816368466 hasConceptScore W2816368466C149946192 @default.
- W2816368466 hasConceptScore W2816368466C184720557 @default.
- W2816368466 hasConceptScore W2816368466C2777679929 @default.
- W2816368466 hasConceptScore W2816368466C32542511 @default.
- W2816368466 hasConceptScore W2816368466C33923547 @default.
- W2816368466 hasConceptScore W2816368466C41008148 @default.
- W2816368466 hasConceptScore W2816368466C47798520 @default.
- W2816368466 hasConceptScore W2816368466C555944384 @default.
- W2816368466 hasConceptScore W2816368466C76155785 @default.
- W2816368466 hasConceptScore W2816368466C81978471 @default.
- W2816368466 hasLocation W28163684661 @default.
- W2816368466 hasOpenAccess W2816368466 @default.
- W2816368466 hasPrimaryLocation W28163684661 @default.
- W2816368466 hasRelatedWork W1674304798 @default.
- W2816368466 hasRelatedWork W1943441698 @default.
- W2816368466 hasRelatedWork W1964410080 @default.
- W2816368466 hasRelatedWork W1985636560 @default.
- W2816368466 hasRelatedWork W1998280729 @default.
- W2816368466 hasRelatedWork W2042039603 @default.
- W2816368466 hasRelatedWork W2060815996 @default.
- W2816368466 hasRelatedWork W2063231299 @default.
- W2816368466 hasRelatedWork W2070558457 @default.
- W2816368466 hasRelatedWork W2093843402 @default.
- W2816368466 hasRelatedWork W2104398755 @default.
- W2816368466 hasRelatedWork W2109025477 @default.
- W2816368466 hasRelatedWork W2120750635 @default.
- W2816368466 hasRelatedWork W2147451543 @default.
- W2816368466 hasRelatedWork W2549703656 @default.
- W2816368466 hasRelatedWork W2950232678 @default.
- W2816368466 hasRelatedWork W2952649300 @default.
- W2816368466 hasRelatedWork W2953064494 @default.
- W2816368466 hasRelatedWork W2963454603 @default.
- W2816368466 hasRelatedWork W3102127035 @default.
- W2816368466 isParatext "false" @default.
- W2816368466 isRetracted "false" @default.
- W2816368466 magId "2816368466" @default.
- W2816368466 workType "article" @default.