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178
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JSAC
2011
215views more  JSAC 2011»
14 years 11 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
170
Voted
SIMPRA
2011
14 years 11 months ago
A real-time multigrid finite hexahedra method for elasticity simulation using CUDA
In this paper we present a GPU-based multigrid approach for simulating elastic deformable objects in real time. Our method is based on a finite element discretization of the defo...
Christian Dick, Joachim Georgii, Rüdiger West...
155
Voted
ITIIS
2010
186views more  ITIIS 2010»
14 years 11 months ago
Adaptive Binary Negative-Exponential Backoff Algorithm Based on Contention Window Optimization in IEEE 802.11 WLAN
IEEE 802.11 medium access control (MAC) employs the distributed coordination function (DCF) as the fundamental medium access function. DCF operates with binary exponential backoff...
Bum-Gon Choi, Ju Yong Lee, Min Young Chung
JIPS
2010
462views more  JIPS 2010»
14 years 11 months ago
Challenges to Next Generation Services in IP Multimedia Subsystem
The trend of Next Generation Networks' (NGN) evolution is towards providing multiple and multimedia services to users through ubiquitous networks. The aim of IP Multimedia Sub...
Kai-Di Chang, Chi-Yuan Chen, Jiann-Liang Chen, Han...
161
Voted
TDSC
2010
160views more  TDSC 2010»
14 years 11 months ago
Dual-Quorum: A Highly Available and Consistent Replication System for Edge Services
This paper introduces dual-quorum replication, a novel data replication algorithm designed to support Internet edge services. Edge services allow clients to access Internet service...
Lei Gao, Michael Dahlin, Jiandan Zheng, Lorenzo Al...