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Internet access for highly mobile users in high-speed trains or cars, underground walkways and tunnels is often challenged by intermittent connectivity with short and unpredictable connectivity opportunities. In such opportunistic communication scenarios, utilizing these connectivity opportunities to the best potential for the mobile user can be crucial to achieve an acceptable overall perceived service...
WiBro (Mobile WiMAX) is a broadband wireless internet service supporting for fixed, portable and mobile users, but enhancement of service quality in indoor environment is still necessary. WiBro femtocell is developed to expand cell coverage, increase system capacity and offer various multimedia service with high throughput in indoor environment. Three types of femtocell are designed according to the...
This paper proposes WASH, a Web Access SHaping method, to realize overload-tolerant and highly accessible web sites. Due to the explosive spread of the Internet and emerging sophisticated web applications, servers will become the bottlenecks of the Web. WASH works as a reverse proxy with load balancing and improves the service quality of popular servers. WASH provides two innovative mechanisms: load...
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