Open AccessEnergy efficiency optimisation for AF relay networks with direct transmissions
Author(s) -
Li Yong,
Zheng Zhengguang,
Li Yang,
Cheng Gang
Publication year - 2015
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/el.2014.3801
Subject(s) - relay , efficient energy use , power (physics) , computer science , energy (signal processing) , scheme (mathematics) , mathematical optimization , electronic engineering , mathematics , engineering , electrical engineering , physics , mathematical analysis , statistics , quantum mechanics
An efficient power allocation scheme is provided to maximise the energy efficiency for amplify‐and‐forward (AF) relay networks. To reduce the complexity, both the optimal and simplified equal power allocation schemes with closed‐form expressions are derived.