2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2018
DOI: 10.1109/globalsip.2018.8646436
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Joint Energy and Rate Allocation for Successive Interference Cancellation in the Finite Blocklength Regime

Abstract: This work addresses the optimization of the network spectral efficiency (SE) under successive interference cancellation (SIC) at a given blocklength n. We adopt a proof-of-concept satellite scenario where network users can vary their transmission power and select their transmission rate from a set of encoders, for which decoding is characterized by a known packet error rate (PER) function. In the large-system limit, we apply variational calculus (VC) to obtain the user-energy distribution, the assigned per-use… Show more

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Cited by 3 publications
(19 citation statements)
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“…We show that the network SE does not saturate when load regulation activates to avoid the transmission of users with poor channel conditions, in which aspect it differs from the system analyzed in [11]. Both the received energy and SINR profiles are found to be non-increasing functions of the SIC decoding order, while at transmission, the energy allocation function is not monotone.…”
Section: Introductionmentioning
confidence: 79%
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“…We show that the network SE does not saturate when load regulation activates to avoid the transmission of users with poor channel conditions, in which aspect it differs from the system analyzed in [11]. Both the received energy and SINR profiles are found to be non-increasing functions of the SIC decoding order, while at transmission, the energy allocation function is not monotone.…”
Section: Introductionmentioning
confidence: 79%
“…In [10], the optimum energy distribution at the SIC input is obtained for a given encoder with known PER curve shared by all users. Later, [11] extended prior results by considering, instead of a shared encoder, a family of encoders. In [13], the user-energy distribution is optimized at network PER < 10 4 by a semi-analytic algorithm.…”
Section: Introductionmentioning
confidence: 88%
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