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160
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DATE
2009
IEEE
16 years 1 months ago
2009
IEEE
—Energy efficient communication is a key issue in wireless sensor networks. Common belief is that a multi-hop configuration is the only viable energy efficient technique. In t...
164
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—In this paper, we study the joint power and channel resource allocation problem for a multiuser F/TDMA decodeand-forward (DF) relay network under per-node power constraints and ...
186
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—In [1], we have proposed a novel cross-layer scheme based on resolution adaptive ADCs and fountain codes for the OFDM systems to lower the power consumption in ADCs. The simulat...
148
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—We present the optimal relay-subset selection and transmission-time for a decode-and-forward, half-duplex cooperative network of arbitrary size. The resource allocation is obtai...
172
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—This paper studies the tradeoff between channel coding and ARQ (automatic repeat request) in Rayleigh blockfading channels. A heavily coded system corresponds to a low transmiss...