Uplink resource allocation algorithms for Single-Carrier FDMA systems

We have focused on SC-FDMA based resource allocation in uplink cellular systems. Subchannel and power allocation constraints specific to SC-FDMA are considered. We considered a binary integer programming-based solution recently proposed for weighted sum rate maximization and extended it to different...

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Vydáno v:2010 European Wireless Conference s. 339 - 345
Hlavní autoři: Sokmen, Fatma Irem, Girici, Tolga
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.04.2010
Témata:
Fading
Frequency division multiaccess
Greedy algorithms
Intersymbol interference
Linear programming
OFDM
Peak to average power ratio
Resilience
Resource management
Wideband
ISBN:1424459990, 9781424459995
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Abstract We have focused on SC-FDMA based resource allocation in uplink cellular systems. Subchannel and power allocation constraints specific to SC-FDMA are considered. We considered a binary integer programming-based solution recently proposed for weighted sum rate maximization and extended it to different problems. We considered problems such as rate constraint satisfaction with minimum number subchannels and sum-power minimization subject to rate constraints. Besides stating the binary integer programming formulations for these problems, we propose simpler greedy algorithms for the three problems. Numerical evaluations show that the greedy algorithms perform very close to the optimal solution, with much less computation time.
AbstractList We have focused on SC-FDMA based resource allocation in uplink cellular systems. Subchannel and power allocation constraints specific to SC-FDMA are considered. We considered a binary integer programming-based solution recently proposed for weighted sum rate maximization and extended it to different problems. We considered problems such as rate constraint satisfaction with minimum number subchannels and sum-power minimization subject to rate constraints. Besides stating the binary integer programming formulations for these problems, we propose simpler greedy algorithms for the three problems. Numerical evaluations show that the greedy algorithms perform very close to the optimal solution, with much less computation time.
Author Sokmen, Fatma Irem
Girici, Tolga
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  givenname: Tolga
  surname: Girici
  fullname: Girici, Tolga
  email: tgirici@etu.edu.tr
  organization: Dept. of Electr. & Electron. Eng., TOBB Univ. of Econ. & Technol., Ankara, Turkey
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Snippet We have focused on SC-FDMA based resource allocation in uplink cellular systems. Subchannel and power allocation constraints specific to SC-FDMA are...
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StartPage 339
SubjectTerms Fading
Frequency division multiaccess
Greedy algorithms
Intersymbol interference
Linear programming
OFDM
Peak to average power ratio
Resilience
Resource management
Wideband
Title Uplink resource allocation algorithms for Single-Carrier FDMA systems
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