TWC
2008
13 years 4 months ago
2008
Orthogonal frequency division multiplexing based wireless systems are spectrally efficient, but they are vulnerable to inter carrier interference (ICI). In a wide area scenario, us...
TWC
2008
13 years 4 months ago
2008
In this paper the tradeoff between energy and delay for wireless networks is studied. A network using a request-to-send (RTS) and clear-to-send (CTS) type medium access control (M...
TWC
2008
13 years 4 months ago
2008
Abstract-- In this paper, we first present an analytical procedure for the computation of the node isolation probability and coverage in an ad hoc network in the presence of channe...
TWC
2008
13 years 4 months ago
2008
With the increased popularity of RFID applications, different authentication schemes have been proposed to provide security and privacy protection for users. Most recent RFID proto...
TWC
2008
13 years 4 months ago
2008
Target tracking and localization are important applications in wireless sensor networks. Although the coverage problem for target detection has been intensively studied, few consi...
TWC
2008
13 years 4 months ago
2008
Cooperative transmission by base stations (BSs) can significantly improve the spectral efficiency of multiuser, multi-cell multiple input multiple output (MIMO) systems. We show t...
TWC
2008
13 years 4 months ago
2008
TWC
2008
13 years 4 months ago
2008
A selective-mapping (SLM) scheme which does not require the transmission of side information and can reduce the peak to average power ratio (PAPR) in turbo coded orthogonal frequen...
TWC
2008
13 years 4 months ago
2008
By integrating wireless wide area networks (WWANs) and wireless local area networks (WLANs), mobile hotspot technologies enable seamless Internet multimedia services to users on-bo...
TWC
2008
13 years 4 months ago
2008
Abstract-- Existing space-time codes have focused on multipleantenna systems with linear modulation schemes such as phaseshift keying and quadrature amplitude modulation. Continuou...