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GLOBECOM
2007
IEEE
16 years 1 months ago
Evaluation of the Probability of K-Hop Connection in Homogeneous Wireless Sensor Networks
— Given a wireless sensor network (WSN) whose sensors are randomly and independently distributed in a bounded area following a homogeneous Poisson process with density ρ and eac...
Xiaoyuan Ta, Guoqiang Mao, Brian D. O. Anderson
IAT
2007
IEEE
16 years 1 months ago
User Participation in Social Media: Digg Study
The social news aggregator Digg allows users to submit and moderate stories by voting on (digging) them. As is true of most social sites, user participation on Digg is nonuniforml...
Kristina Lerman
ICC
2007
IEEE
150views Communications» more  ICC 2007»
16 years 1 months ago
Utility-based Optimal Rate Allocation for Heterogeneous Wireless Multicast
Abstract— Heterogeneous multicast is an efficient communication scheme especially for multimedia applications running over multihop networks when multicast receivers in the same...
Amr M. Mohamed, Hussein M. Alnuweiri
ICC
2007
IEEE
121views Communications» more  ICC 2007»
16 years 1 months ago
Alternative Symbol Representations with Radial Symmetry for PAPR Reduction in OFDM Systems
— This paper proposes a new method for peak to average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems using two alternative signalling ...
Ali Al-Shaikhi, Jacek Ilow
ICC
2007
IEEE
160views Communications» more  ICC 2007»
16 years 1 months ago
Adaptive Game-Based Radio Spectrum Allocation in Doubly Selective Fading Channels
— For cognitive radio networks, a popular approach to dynamic spectrum allocation (DSA) is game theoretic, which improves spectrum efficiency in a distributed manner. In a doubl...
Duo Zhang, Zhi Tian
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