Abstract
This paper analyzes the throughput performance of IEEE 802.11b Wireless Local Area Network (WLAN) with one access point. The IEEE 802.11b is a wireless protocol standard. In this paper, a wireless network was established which has one access point. OPNET IT Guru Simulator (Academic edition) was used to simulate the entire network. Thus the effects of varying some network parameters such as the data-rate, buffer-sizes, and fragmentation threshold were observed on the throughput performance metric. Several simulation graphs were obtained and used to analyze the network performance.
Highlights
A network is a group of devices, such as computers that are connected to each other for the purpose of sharing information and resources
Based on the graphical result below, it can be said that when data-rate increases in a network, the throughput increase; but when the network is overloaded with several stations, that same throughput decreases, since throughput is the number of bits successfully transmitted per second
This parameter specifies the value to decide if the Media Access Control (MAC) Service Data Unit (MSDU) received from the higher layers needs to be fragmented before transmission [5]
Summary
A network is a group of devices, such as computers that are connected to each other for the purpose of sharing information and resources. Shared resources can include printers, documents and internet access connections. 802.11b is one of the IEEE protocol standards for wireless networks. A network can be wired or wireless. It uses a modulation technique known as Direct Sequence Spread Spectrum (DSSS) [1]. Wireless network has some attributes or parameters such as data-rates, buffer sizes, fragmentation threshold (FTS), etc. It has some qualities of service or metrics like the Throughput, Delay, Media access delay, Data dropped, Retransmission attempts, etc.
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