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DNS is one of the important names in web-based information technology that allows users to be able to browse the desired information. DNS service has some similarities with a list of phone book that stores telephone numbers and addresses. To perform the function, the DNS service configured on a special machine that serves the request is a DNS Server. The reliability and accuracy of a DNS server in...
Currently, the number of Access Point (AP) and mobile station (STA), such as notebooks and smart phones, which supports standard WLAN IEEE 802.11n is increasing. Increasing the number of devices that supports 802.11n standard is implicated in the increased use of energy. Therefore, the necessary efforts so that energy use in WLAN devices in the future can be more efficient. The choice of data rate...
In DCF and EDCA schemes, the number of collisions increased caused the number of anomalous slots also increased. These conditions caused the average duration of collision will be much longer and result in a decreased network throughput. In this paper we have proposed SASA scheme to avoid anomalous slot after the collision. Simulation results show SASA scheme produces higher throughput compare to DCF...
Wireless Local Area Network (WLAN) has experienced substantial development both from its usage and its technological advances. The development of WLAN technology is marked by the emergence of IEEE 802.11 standard family which are b, a, g, and n. The newest IEEE 802.11n standard is aimed at improving throughput especially in MAC layer by using frame aggregate mechanism utilizing the A-MSDU and A-MPDU...
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