5657 search results - page 795 / 1132 » Micropayments for Wireless Communications |
133
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— In this paper we deal with carrier frequency estimation for filter-bank multicarrier burst transmission over timefrequency selective fading channels. Three open-loop a...
161
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This paper proposes a new QAM based codebook for beamforming in multiple-input multiple-output (MIMO) wireless systems with a limited-rate feedback channel. We show that such c...
210
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Wireless topology control is the process of structuring the connectivity between network nodes to achieve some network-wide goal. This paper presents a cognitive networ...
191
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Cognitive networks are the latest progression of cognitive functionality into the networking stack, an effort which began with a layer one and two focus on cognitive radios, an...
188
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ICC
2007
IEEE
16 years 1 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...