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Cognitive Radio and Dynamic Spectrum Sharing Systems

  1. Content type: Research Article

    One application of cognitive radios is to provide broadband wireless access (BWA) in the licensed TV bands on a secondary access basis. This concept is examined to see under what conditions BWA could be viable...

    Authors: Timothy X. Brown and Douglas C. Sicker

    Citation: EURASIP Journal on Wireless Communications and Networking 2008 2008:470571

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  2. Content type: Research Article

    This paper proposes two cyclostationarity-inducing transmission methods that enable the receiver to distinguish among different systems that use a common orthogonal frequency division multiplexing- (OFDM-) bas...

    Authors: Koji Maeda, Anass Benjebbour, Takahiro Asai, Tatsuo Furuno and Tomoyuki Ohya

    Citation: EURASIP Journal on Wireless Communications and Networking 2008 2008:586172

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  3. Content type: Research Article

    It is increasingly difficult to satisfy growing demands for spectrum with the conventional policy of fixed spectrum allocation. To overcome this problem, flexible/dynamic spectrum sharing methods that can sign...

    Authors: Takefumi Yamada, Dennis Burgkhardt, Ivan Cosovic and Friedrich K Jondral

    Citation: EURASIP Journal on Wireless Communications and Networking 2008 2008:598080

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  4. Content type: Research Article

    This paper addresses the problem of optimal channel selection for spectrum-agile low-powered wireless networks in unlicensed bands. The channel selection problem is formulated as a multiarmed bandit problem en...

    Authors: Ali Motamedi and Ahmad Bahai

    Citation: EURASIP Journal on Wireless Communications and Networking 2008 2008:896420

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  5. Content type: Research Article

    This paper analyses the system spectral efficiency of a 2-link wireless network. The analysis reveals that there exist three operating points that possibly maximise the system spectral efficiency: either both ...

    Authors: Sinan Sinanović, Nikola Serafimovski, Harald Haas and Gunther Auer

    Citation: EURASIP Journal on Wireless Communications and Networking 2008 2008:867959

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  6. Content type: Research Article

    Ultra-wideband (UWB) is a useful radio technique for sharing frequency bands between radio systems. It uses very short pulses to spread spectrum. However, there is a potential for interference between systems ...

    Authors: Kohei Ohno and Tetsushi Ikegami

    Citation: EURASIP Journal on Wireless Communications and Networking 2008 2008:285683

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  7. Content type: Research Article

    In the future, there will be a growing need for more flexible but efficient utilization of radio resources. Increased flexibility in radio transmission, however, yields a higher likelihood of interference owin...

    Authors: Anass Benjebbour, Takahiro Asai and Hitoshi Yoshino

    Citation: EURASIP Journal on Wireless Communications and Networking 2007 2008:243548

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  8. Content type: Research Article

    We consider the problem of downlink scheduling for multiuser orthogonal frequency-division multiplexing (OFDM) systems. Opportunistic scheduling exploits the time-varying, location-dependent channel conditions to...

    Authors: Zhi Zhang, Ying He and Edwin K. P. Chong

    Citation: EURASIP Journal on Wireless Communications and Networking 2007 2008:215939

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  9. Content type: Research Article

    Cognitive radios have the potential to vastly improve communication over wireless channels. We outline recent information theoretic results on the limits of primary and cognitive user communication in single a...

    Authors: Natasha Devroye, Mai Vu and Vahid Tarokh

    Citation: EURASIP Journal on Wireless Communications and Networking 2007 2008:896246

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