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Optimal time allocation for RF-powered DF relay-assisted cooperative communication

Mishra, Deepak, 1990- (author)
Indian Institute of Technology Delhi, India
De, Swades (author)
Indian Institute of Technology Delhi, India
 (creator_code:org_t)
2016-07
2016
English.
In: Electronics Letters. - : Institute of Electrical and Electronics Engineers (IEEE). - 0013-5194 .- 1350-911X. ; 52:14, s. 1274-1276
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • A decode-and-forward (DF) relay-assisted RF-powered cooperative communication between an RF energy harvesting source and an information sink is considered. DF relay aids the communication between these two distant wireless nodes by (i) RF energy transfer to the source, and (ii) relaying source data to the sink. To enable efficient RF-powered delay-constrained information transfer to the sink under Rayleigh fading, joint global-optimal time allocations for information and energy transfer are derived. Impact of relay position on throughput and optimality of the analytical solutions are numerically investigated.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
NATURVETENSKAP  -- Data- och informationsvetenskap (hsv//swe)
NATURAL SCIENCES  -- Computer and Information Sciences (hsv//eng)

Keyword

Communication channels (information theory); Energy harvesting; Energy transfer; Rayleigh fading
Decode and forward; Information transfers; Optimal time; Relay position; Rf energies; RF energy harvesting; Source data; Wireless nodes
Cooperative communication

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