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TWC
2008
194views more  TWC 2008»
9 years 11 months ago
Optimal Power Scheduling for Correlated Data Fusion in Wireless Sensor Networks via Constrained PSO
Optimal power scheduling for distributed detection in a Gaussian sensor network is addressed for both independent and correlated observations. We assume amplify-and-forward local p...
Thakshila Wimalajeewa, Sudharman K. Jayaweera
TWC
2008
186views more  TWC 2008»
9 years 11 months ago
SLAB: A secure localized authentication and billing scheme for wireless mesh networks
Abstract--The future metropolitan-area wireless mesh networks (WMNs) are expected to contain compromise-prone Mesh Access Points (MAPs) with a high frequency of inter-domain roamin...
Haojin Zhu, Xiaodong Lin, Rongxing Lu, Pin-Han Ho,...
TWC
2008
112views more  TWC 2008»
9 years 11 months ago
Service time analysis of a distributed medium access control scheme
Abstract--Distributed medium access control (MAC) is essential for a wireless network without a central controller. In previous work of the authors, a distributed MAC scheme has be...
Hai Jiang, Ping Wang, Weihua Zhuang, H. Vincent Po...
TWC
2008
116views more  TWC 2008»
9 years 11 months ago
Optimal Sliding Correlator Channel Sounder Design
The sliding correlator technique remains one of the most versatile and effective methods for sounding the radio propagation channel in next-generation wireless systems. Despite the...
Ryan Jesse Pirkl, Greg Durgin
TWC
2008
87views more  TWC 2008»
9 years 11 months ago
A robust asynchronous multiuser STBC-OFDM transmission scheme for frequency-selective channels
Abstract--In this paper, we propose a robust STBC transmission scheme to combat timing synchronization errors over frequency-selective multiple-access channels. We start by derivin...
Dandan Wang, Hlaing Minn, Naofal Al-Dhahir
TWC
2008
113views more  TWC 2008»
9 years 11 months ago
OFDM Carrier Synchronization Based on Time-Domain Channel Estimates
Carrier frequency synchronization is critical to the quality of signal reception in OFDM systems. This paper presents an approximate maximum-likelihood (ML) carrier frequency offse...
Hao Zhou, Amaresh V. Malipatil, Yih-Fang Huang
TWC
2008
80views more  TWC 2008»
9 years 11 months ago
Robust connectivity-aware energy-efficient routing for wireless sensor networks
In this paper, we consider a class of energy-aware routing algorithm that explicitly takes into account the connectivity of the remaining sensor network. In typical sensor network ...
Charles Pandana, K. J. Ray Liu
TWC
2008
107views more  TWC 2008»
9 years 11 months ago
Stochastic delay guarantees and statistical call admission control for IEEE 802.11 single-hop ad hoc networks
This paper presents a new approach to provide stochastic delay guarantees via fully distributed model-based call admission control for IEEE 802.11 single-hop ad hoc networks. We pr...
Atef Abdrabou, Weihua Zhuang
TWC
2008
117views more  TWC 2008»
9 years 11 months ago
Orthogonally-spread block transmissions for ultra-wideband impulse radios
Differential, transmitted reference (TR) and energy detection (ED) based ultra-wideband impulse radios (UWBIR) can collect the rich multipath energy offered by UWB channels with a ...
Shahrokh Farahmand, Xiliang Luo, Georgios B. Giann...
TWC
2008
100views more  TWC 2008»
9 years 11 months ago
An Empirical Study on Time-Correlation of GSM Telephone Traffic
Abstract--In this paper, we investigate possible timecorrelation of answered call arrivals in sets of real GSM telephone traffic data. Instead of attempting to model the empirical ...
Stefano Bregni, Roberto Cioffi, Maurizio Decina
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