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148
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ICC
2008
IEEE
16 years 23 days ago
2008
IEEE
— Systematic Luby Transform (SLT) codes have shown good performance for single antenna aided systems for transmission over AWGN and uncorrelated Rayleigh fading channels. For the...
155
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ICC
2008
IEEE
16 years 23 days ago
2008
IEEE
— In this paper, we propose an adaptive system for improving videophone transmission over EDCA. We consider that a videophone contains a constant bit rate (CBR) voice source and ...
153
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ICC
2008
IEEE
16 years 23 days ago
2008
IEEE
—Inspired by the success of the low-density parity-check (LDPC) codes in the field of error-control coding, in this paper we propose transforming the downlink multiuser multiple-...
175
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ICCCN
2008
IEEE
16 years 23 days ago
2008
IEEE
Abstract—Energy efficiency is a central challenge in batteryoperated sensor networks. Current energy-efficient mechanisms employ either duty cycling, which reduces idle listeni...
140
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INFOCOM
2008
IEEE
16 years 21 days ago
2008
IEEE
—The IEEE 802.16 standard, or WiMAX, has emerged to facilitate high-bandwidth wireless access in realworld metropolitan areas, commonly referred to as 4G. In WiMAX, Hybrid Automa...