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136
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract—Spectral sensing for the presence of ATSC DTV signals in VHF/UHF TV bands under a very low SNR environment is one of the core technologies in IEEE 802.22 WRAN. There are...
159
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—In this paper, we propose an efficient selective receiver for space-time block coding (STBC) scheme. In this proposed scheme, we divide the received signals into two groups. By ...
195
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract—We analyze the properties of a class of low complexity timing error detectors for the purpose of timing error tracking in orthogonal space-time block coding receivers. F...
133
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—This paper investigates time of arrival estimation via impulse radio ultra-wideband technology. A dense multipath channel is assumed and frequency-selective propagation effects ...
176
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—The paper analyzes the relationships among the transmission range, carrier sensing range, and interference range in case that power control is adopted and proposes an adaptive r...