Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5960
Title: Radio resource management for user-relay assisted OFDMA-based wireless networks
Authors: Baştürk, İlhan
Özbek, Berna
Keywords: OFDMA
Radio resource management algorithms
Relay selection
User-relaying
Wireless networks
Orthogonal frequency division multiplexing
Issue Date: 1-May-2016
Publisher: Urban und Fischer Verlag GmbH und Co. KG
Source: Baştürk, T., and Özbek, B. (2016). Radio resource management for user-relay assisted OFDMA-based wireless networks. AEU - International Journal of Electronics and Communications, 70(5), 643-651. doi:10.1016/j.aeue.2016.01.021
Abstract: Orthogonal frequency division multiple access (OFDMA) based relay assisted networks are important for current and next-generation wireless networks since they have great potential to provide high data rate to users at anywhere, anytime. Towards that end, fixed relay assisted OFDMA networks are commonly utilized by the operators. However, they require supplementary costly infrastructure. User-relay assisted OFDMA-based networks are promising candidates to fulfill the demanding coverage and capacity requirements of future wireless networks in a cost efficient way. Thus, they have become popular as a complementary solution to fixed relay networks. Generic frame structure that divides the resource allocation frame into two subframes is mostly used in the literature for fixed and user-relay assisted networks in which it is assumed that a user can act as a destination and a relay simultaneously. However, it may be difficult to apply this assumption to practical systems because of the limitations of the current transceiver design. Thus, we propose a novel frame structure for user-relay assisted OFDMA-based wireless networks in order to cope with these drawbacks. The efficient radio resource management algorithms including relay selection and resource allocation are developed in order to exploit the opportunities of the proposed frame structure.
URI: https://doi.org/10.1016/j.aeue.2016.01.021
http://hdl.handle.net/11147/5960
ISSN: 1618-0399
1434-8411
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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