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TIT
2008
71views more  TIT 2008»
13 years 8 months ago
On the Optimal Number of Active Receivers in Fading Broadcast Channels
Abstract--For broadcast channels, a power allocation scheme is proposed to maximize the number of active receivers, for each of which, a minimum rate Rmin > 0 can be achieved. U...
Hengameh Keshavarz, Liang-Liang Xie, Ravi R. Mazum...
ICC
2009
IEEE
120views Communications» more  ICC 2009»
13 years 6 months ago
Achieving Exponential Diversity in Wireless Multihop Systems with Regenerative Relays
Abstract--We present and analyze two different power allocation strategies for considerably improving the average bit error rate (BER) performance of wireless multihop systems with...
Andreas Müller 0001, Joachim Speidel
WIOPT
2011
IEEE
13 years 11 days ago
Energy-neutral source-channel coding in energy-harvesting wireless sensors
Abstract—This work addresses the problem of energy allocation over source compression and transmission for a single energy-harvesting sensor. An optimal class of policies is iden...
Paolo Castiglione, Osvaldo Simeone, Elza Erkip, Th...
ECWEB
2003
Springer
151views ECommerce» more  ECWEB 2003»
14 years 1 months ago
A Combinatorial Exchange for Autonomous Traders
Abstract. Combinatorial exchanges have attracted much attention recently. However, to this point there is no generally accepted payment allocation algorithm capable of clearing com...
Andreas Tanner, Gero Mühl
IRFC
2010
Springer
14 years 1 months ago
Combining Wikipedia-Based Concept Models for Cross-Language Retrieval
Abstract. As a low-cost ressource that is up-to-date, Wikipedia recently gains attention as a means to provide cross-language brigding for information retrieval. Contradictory to a...
Benjamin Roth, Dietrich Klakow