Jointly optimal chunk and power allocation in uplink SC-FDMA

Teoman Mert, Onur Kaya, Hakan A. Cirpan

Araştırma sonucu: ???type-name???Konferans katkısıbilirkişi

12 Atıf (Scopus)

Özet

For a single carrier frequency division multiple access (SC-FDMA) system, we obtain the jointly optimal power and chunk allocation policies which maximize the sum rate. Our solution is applicable to both localized and interleaved subcarrier mapping schemes. We solve the joint optimization problem by sequentially solving two sub-problems: power allocation and chunk allocation. Primarily, we use an optimal power allocation algorithm, which we derive from Karush-Kuhn-Tucker (KKT) conditions; and then we convert the optimum chunk assignment problem into a maximum weighted matching problem on a bipartite graph, and hence solve it in polynomial time. We also propose two greedy chunk allocation algorithms with lower complexity, and demonstrate that these algorithms produce near optimal results, especially for interleaved subcarrier mapping, when used in conjunction with optimal power control.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığı2013 IEEE International Conference on Communications, ICC 2013
YayınlayanInstitute of Electrical and Electronics Engineers Inc.
Sayfalar3393-3397
Sayfa sayısı5
ISBN (Basılı)9781467331227
DOI'lar
Yayın durumuYayınlandı - 2013
Etkinlik2013 IEEE International Conference on Communications, ICC 2013 - Budapest, Hungary
Süre: 9 Haz 201313 Haz 2013

Yayın serisi

AdıIEEE International Conference on Communications
ISSN (Basılı)1550-3607

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???event.eventtypes.event.conference???2013 IEEE International Conference on Communications, ICC 2013
Ülke/BölgeHungary
ŞehirBudapest
Periyot9/06/1313/06/13

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