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» Joint adaptive space and frequency basis selection
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TSP
2010
12 years 11 months ago
Distributed spectrum sensing for cognitive radio networks by exploiting sparsity
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
Juan Andrés Bazerque, Georgios B. Giannakis
ICASSP
2011
IEEE
12 years 8 months ago
Joint transmitter and receiver design with adaptive beamforming in MIMO SC-FDMA systems
This paper presents the joint transmitter and receiver design with adaptive beamforming for multiple-input multiple output (MIMO) single carrier-frequency division multiple access...
Gang Xiong, Shalinee Kishore
ICC
2007
IEEE
134views Communications» more  ICC 2007»
13 years 11 months ago
Joint On-Demand Routing and Spectrum Assignment in Cognitive Radio Networks
— In Cognitive Radio Networks, nodes can work on different frequency bands. Existing routing proposals help nodes select frequency bands without considering the effect of band sw...
Geng Cheng, Wei Liu, Yunzhao Li, Wenqing Cheng
JSAC
2006
133views more  JSAC 2006»
13 years 4 months ago
Code-aided joint channel and frequency offset estimation for DS-CDMA
This paper deals with joint data detection, synchronization and channel parameter estimation for Direct-Sequence Code Division Multiple Access (DS-CDMA) systems over frequency sel...
Mamoun Guenach, Frederik Simoens, Henk Wymeersch, ...
ICC
2007
IEEE
114views Communications» more  ICC 2007»
13 years 11 months ago
Downlink MC-2D-CDMA over Time-Variant Frequency-Selective Rayleigh Fading Channels
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...
Rui Fa, Bayan S. Sharif, Charalampos Tsimenidis