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WCE
2007
13 years 6 months ago
System Design and Networking Protocols for Wireless Positioning
Abstract—The recent boom in wireless communications has led to a wide range of new applications. Wireless positioning is an emerging technology which can provide accurate locatio...
Bo Peng, Andrew H. Kemp, Washington Ochieng
JISE
2008
151views more  JISE 2008»
13 years 5 months ago
Design of QoS and Admission Control for VoIP Services Over IEEE 802.11e WLANs
Supporting telephone services using wireless LAN as the access network is an important application nowadays. The SIP and IEEE 802.11e are the two most promising protocols to suppo...
Pei-Yeh Wu, Jen-Jee Chen, Yu-Chee Tseng, Hung-Wei ...
COMPSEC
2008
111views more  COMPSEC 2008»
13 years 5 months ago
An ontology-based policy for deploying secure SIP-based VoIP services
-- Voice services over Internet Protocol (VoIP) are nowadays much promoted by telecommunication and Internet service providers. However, the utilization of open networks, like the ...
Dimitris Geneiatakis, Costas Lambrinoudakis, Georg...
CN
1999
119views more  CN 1999»
13 years 5 months ago
Internet Telephony: Architecture and Protocols - an IETF Perspective
Internet telephony offers the opportunity to design a global multimedia communications system that may eventually replace the existing telephony infrastructure. We describe the up...
Henning Schulzrinne, Jonathan Rosenberg
SIPS
2008
IEEE
13 years 12 months ago
Bio-inspired unified model of visual segmentation system for CAPTCHA character recognition
In this paper, we present a bio-inspired unified model to improve the recognition accuracy of character recognition problems for CAPTCHA (Completely Automated Public Turing Test t...
Chi-Wei Lin, Yu-Han Chen, Liang-Gee Chen