Abstract
At present, the need for internet access in public area using wireless connections is increasing drastically and this should be supported by good network infrastructure. Wireless network is one of the best alternative in building a practical internet network. WDS is a system to develop wireless internet network without having to use cable as its backbone for access point but instead utilize wireless path from its access point. The problems that often arise in the design of wireless LAN network is the poor signal received by the user due to the installation of an access point that is poor location-wise. This is because at some point it is very difficult to install Access point using cable because the distance is too far from the existing router. In this paper, we propose to use three scenario of WDS mode to compare its performance. We investigate three different topology policy models of the WDS Bridge point-to-point, WDS Bridge point to multipoint and WDS repeater. The use of these three topologies aims to reach locations that are not covered by wireless LAN network, in addition this method can save the use of network resources such as LAN cables. Based on the simulation results, it is found that the topology point to point gives better value but it generated higher delays. The delay generated on point to point is higher than other topologies. Meanwhile, the measurement results are not much different on topology point to multipoint with repeater topology. The point to multipoint topology is slightly better than the repeater of the three QoS parameters.
Highlights
In recent years we have witnessed a very large spread in the application of WLAN technology based on the IEEE802.11 standard [1] [2]
Legacy WLAN Station is usually associated with Access Point (AP) with the highest signal strength
After measuring and improving the placement of AP Wireless Distribution System (WDS) in accordance with three topologies, three parameters of QoS are obtained through Throughput, Packet Delivery Ratio (PDR) and Delay
Summary
In recent years we have witnessed a very large spread in the application of WLAN technology based on the IEEE802.11 standard [1] [2]. WDS technology allows access points to communicate with each other wirelessly by default. It brings connectivity to the data link layer of the OSI model, which is a layer under traditional IP-based connectivity [7]. These technologies still experience certain inefficiencies such as: low throughput, delay and high jitter. Recent researches attempts to propose enhancements to find solutions[3] This technology has the deficiencies described earlier, it is commonly used and proposed as an alternative to improve spectrum electromagnetic occupancy as each client is connected to its own Access Point (AP) rather than to the exterior node [4]. Without the need for expensive Ethernet cable installations, WDS can increase wireless coverage. [5]
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