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MONET
2008
134views more  MONET 2008»
13 years 7 months ago
Cognitive Radio with Single Carrier TDCS and Multicarrier OFDM Approach with V-BLAST Receiver in Rayleigh Fading Channel
This paper presents the performance comparison of efficiency. OFDM is well known as a spectrally efficient Cognitive Radio TDCS and OFDM based for MIMO system modulation mode which...
Ibrahim Budiarjo, Homayoun Nikookar, Leo P. Ligtha...
ICC
2009
IEEE
210views Communications» more  ICC 2009»
13 years 5 months ago
Novel Preamble-Based Channel Estimation for OFDM/OQAM Systems
OFDM/OQAM has been considered as an attractive alternative to classic OFDM with cyclic prefix (CP) over doubly dispersive channels. By utilising well designed pulse shapes and remo...
Jinfeng Du, Svante Signell
GLOBECOM
2008
IEEE
14 years 2 months ago
A Graph-Based Approach to Multi-Cell OFDMA Downlink Resource Allocation
— A novel, practical and low-complexity multi-cell OFDMA downlink channel assignment method using a graphbased approach is proposed in this work. The inter-cell interference (ICI...
Yu-Jung Chang, Zhifeng Tao, Jinyun Zhang, C. C. Ja...
ICC
2007
IEEE
193views Communications» more  ICC 2007»
14 years 1 months ago
A Novel ZF Detection Scheme for Double SFBC based OFDM System in Frequency Selective Fading Channel
Abstract— In this paper, we propose an efficient low complexity MIMO detection method for double space-frequency block coded (D-SFBC) OFDM system. The proposed MIMO detector inv...
Chanho Yoon, Jungbo Son, Sok-Kyu Lee
JSAC
2011
126views more  JSAC 2011»
13 years 2 months ago
Spectrum Management in Multiuser Cognitive Wireless Networks: Optimality and Algorithm
Abstract— Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead...
Chee Wei Tan, S. Friedland, Steven H. Low