ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— Cooperation is increasingly regarded as a key technology for tackling the challenges of a practical implementation of cognitive radio. In this paper, we first give a b...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— A complete complementary codes based direct sequence code division multiple access (CC/DS-CDMA) system was recently proposed to offer isotropic interference free transm...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
—This paper discusses transmit antenna subset selection schemes for downlink closed-loop multiple-input multiple-output (MIMO) systems in multicell environments. A simplified coo...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Distributed channel access is essential for a wireless network without a central controller. In our previous research, we have proposed a distributed channel access scheme to a...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— WiMAX (Worldwide Interoperability for Microwave Access) is a promising technology for last-mile broadband Internet access. In multiservice WiMAX networks, call admissio...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— There is a need for new spectrum access protocols that are opportunistic, flexible and efficient, yet fair. Game theory provides a framework for analyzing spectrum access, a ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— The idea of the cognitive network, drawn from previous research in cognitive radios and cross-layer design, is an attempt to address issues of complexity and scalability by all...