Week 5 and 6 iLab Final Report.docx - Week 5/6 iLab Report...

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Week 5/6 iLab Report Francis Ebigie Kabaka Devry University MIS 589: Networking Concepts and Applications MIXED 11B/11G WLAN PERFORMANCE Submitted to: Professor: Shaun Gray Dated August 13, 2014
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Mixed 11b/11g WLAN Performance Question 1. In your opinion, what is the purpose of our dropping the transmission power to such a low level Solution The purpose of dropping the transmission power is to control the wireless broadcast signal within the building to certain limited without being travel too far from the premises. 2. What do access point connectivity statistics collected for the roaming station show? Solution The access point connectivity statistics collected for the roaming station show that there is periodic time of connection, since the first line which was at 10 seconds, at the second line drop down to about 8 seconds and then down to 2 seconds and up again to 8 seconds. 3. What do you think the wireless LAN control traffic received by the roaming 11b node when it is in the engineering building is composed of Solution I think the wireless control traffic received data transmission in bits/seconds of 11b signal which can only be connected with the end system or wireless devices with 11b compatible. 4. How much did our roaming node reduce the total throughput in our heavily loaded WLAN? Solution The roaming node reduces the total throughput in our heavily loaded WLAN from 1 second to 11.2 seconds at around 23,000,000 to 25,000,000 bit/seconds. Therefore, when the roaming node at 11.2 seconds, the transmission rates go from 24,000,000 to 9,500,000 bits/seconds, then from 11.2 seconds to 21 seconds. 5. What cause the reduction in “goodput” on the 11g WLAN? Solution The network congestion and retransmitted of packet might cause the reduction in “goodput” on the 11g WLAN, since goodput only measure the original transmitted data.
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6. Supposedly, 802.11b is “backwards compatible” with 801.11g, yet this lab demonstrates
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