Achievable rates for two user cooperative OFDMA
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Dosyalar
Tarih
2010
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
IEEE
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
We propose two encoding strategies for a two user cooperative Orthogonal Frequency Division Multiple Access (OFDMA) system, based on block Markov superposition encoding. We obtain the expressions for the resulting achievable rate regions for both encoding strategies, and evaluate them through simulations. We show that, by allowing for re-partitioning and re-encoding of the cooperative messages across subchannels, it is possible to better exploit the diversity created by OFDMA, and higher rates can be achieved.
Açıklama
Anahtar Kelimeler
Multiple-access channels, Alloccation, Complexity, Systems, Decoding, Encoding, Fading, Markov processes, OFDM, Receivers, Resource management, OFDMA, Block Markov superposition encoding, Encoding strategies, User cooperative orthogonal frequency division multiple access system, OFDM modulation, Block codes, Frequency division multiple access, Encoding (symbols), Telecommunication, Achievable rate, Achievable rate region, Encoding strategy, Orthogonal frequency division multiple access systems, Re-encoding, Subchannels
Kaynak
2010 IEEE Global Telecommunications Conference GLOBECOM 2010
WoS Q Değeri
N/A
Scopus Q Değeri
N/A
Cilt
Sayı
Künye
Bakım, İ. S. & Kaya, O. (2010). Achievable rates for two user cooperative OFDMA. Paper presented at the 2010 IEEE Global Telecommunications Conference GLOBECOM 2010, 1-5. doi:10.1109/GLOCOM.2010.5683199
