Wireless technology has relied on standards since its outset. How has this assisted in the widespread acceptance of standards, and how do standards make it easier for us to purchase and use a wide variety of products?
DQ1 Standards Discussions
Wireless technology has relied on standards since its outset. How has this assisted in the widespread acceptance of standards, and how do standards make it easier for us to purchase and use a wide variety of products? Standards are very important in everything. Why do we need standards in Wireless Technology? Why is it important? What would happen if we did not have standards?…
DQ2 Antennas and RF
All forms of electromagnetic energy, from gamma rays to radio waves, travel through space in waves. How are radio waves generated, and how do they propagate? Discuss the physical differences between radio waves and light or heat waves. What is polarization? What is the concept of wave propagation?…
NETW563 WIRELESS NETWORKS KELLER
Week 2 Discussion
DQ1 Wireless Modulation
What are the four primary wireless modulation schemes? Which ones are used for WLANs, and what are their relative advantages and disadvantages? What is Modulation? How does it work? why do we use modulation?…
DQ2 Access Control
The MAC layer has the primary responsibility of controlling access to the wireless medium. What are the two procedures for transmitting on a WLAN specified by the IEEE 802.11 standard?…
NETW563 WIRELESS NETWORKS KELLER
Week 3 Discussion
DQ1 Designing the WLAN
Explain the steps in designing a WLAN. How do you determine the network type, access point management strategy, and location of the APs? How do you go about it?…
DQ2 Site Survey Analyzers
What is the purpose of the analyzers? How can the information be used for configuration or troubleshooting purposes? What are site surveys? Are they mandatory and you go go without them? How is the information obtained from them can be used for configuring or troubleshooting?
NETW563 WIRELESS NETWORKS KELLER
Week 4 Discussion
DQ1 Security Organizations
Discuss some of the organizations dedicated to information security. Explain these organizations’ missions and goals. Is there an organization dedicated to wireless security? If so, please describe the organization and its goals….
DQ2 Securing the WLAN
How have the IEEE 802.11 security mechanisms for wireless networks fallen far short of their goal? What are the vulnerabilities? How did WPA fix the problem in WEP?…
NETW563 WIRELESS NETWORKS KELLER
Week 5 Discussion
DQ1 SNMP
SNMP is a protocol that allows computers and network equipment to gather data about network performance. It is part of the TCP/IP protocol suite. Discuss the role of a software agent in SNMP, and explain the purpose of the MIB. Explain how the SNMP management station gathers data, and describe the types of data that it collects and stores. Discuss how this information can be used for monitoring….
DQ2 Troubleshooting
Define the term troubleshooting. What does it mean to you? Discuss why troubleshooting wireless networks can be more challenging than troubleshooting wired networks. Please back up your posts with supporting evidence. when you are in the networking domain, you will hear the term “troubleshooting” a lot. What does it mean in particular? Which is more challenging to troubleshoot, wireless or wired networks and why?…
NETW563 WIRELESS NETWORKS KELLER
Week 6 Discussion
DQ1 Getting to 4G
Is the United States on track for 4G deployment? What barriers do you foresee preventing widespread acceptance and deployment? What is the evolution of cellular technology? What are the current 3G technologies?…
DQ2 The Future of Satellite Radio
In 2008, XM and Sirius Radio were allowed to merge. Why did the FCC allow this merger? What is the future of this technology? Why did the FCC reverse course and allow this merger? Is satellite radio still a valid business model? Do you use it?…
NETW563 WIRELESS NETWORKS KELLER
Week 7 Discussion
DQ1 Traffic Shaping
What is traffic shaping? Why is traffic shaping a controversial topic? Has traffic shaping been applied to wireless networks? What is the reasoning behind traffic shaping in the wireless world?…
DQ2 Wireless Network Planning
In a cellular or PCS network, what are some of the areas where traffic engineering comes into play? For example, one could use traffic engineering to determine the number of trunks needed to backhaul wireless traffic from the MSC to the PSTN. What are some other points in the network that should be sized? What is Traffic Engineering? Where is it mainly done at a cellular network? How does traffic engineering help our network?…
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