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VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
— In this contribution, a novel Ant Colony Optimization (ACO) based Space-Time (ST) Multiuser Detection (MUD) algorithm was proposed in order to improve the Bit Error Ratio (BER)...
VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
— The tolerable packet-loss ratio of an Internet Protocol (IP) based wireless networks varies according to the specific services considered. File transfer for example must be er...
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VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
—The 3rd Generation Partnership Project has recently started the standardization process for LTE-Advanced, as a major evolution step of UTRAN LTE Release 8. One of the key enhanc...
VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
—In this paper, we develop an opportunistic spectrum scheduling scheme for cognitive radio networks. In the proposed scheme, the channel status (i.e., whether being occupied by p...