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Thanks to the growing of the wireless networks, the video streaming application becomes a ubiquitous joyful service. In wireless communication networks, the service traffic spans across the wired and wireless domains. Hence, the service of quality (QoS) control becomes complicated. Generally, the QoS is manipulated by the receiving feedback from the mobile user equipments (UEs) to the streaming server...
Compared to the voice service over PSTN, people look forward to a competent voice over IP (VoIP) service. The introduction of the SIP protocol has a profound impact on the VoIP world. Exploiting more SIP proxy servers can raise the service availability. However, how to assure the efficiency and availability of the service by such an improvement becomes a challenging issue. Based on above, we propose...
Under the B3G vision, cellular operators construct a complementary environment - public WLAN to make up for the limited data access service to become cellular/PWLAN operators. In addition, confederating various PWLAN operators including PWLAN operators, Cellular/PWLAN operators and PWLAN roaming brokers under the PWLAN roaming agreements can intensify the PWLAN service coverage. To build a better...
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