NETW 589 All Discussions


NETW 589 All Discussions
Until recently most low-speed devices used FHSS and higher-speed devices used DSSS…


NETW 589 All Discussions

NETW 589 All Discussions

Discussions Week 1-7 All Students Posts 410 Pages 

How Do You Use Wireless Discussions Week 1 All Students Posts 78 Pages

How Do You Use Wireless – 39 Pages

No doubt you use wireless devices every day. Provide some examples as to what the device does, the size of the device, and the frequency the device uses.  What are the wireless devices you use at home? What frequency do they operate on?  Class, What is Ultra Wide Band? Has anyone of you used it or is using it?  What is the range of UWB? What frequency does it operate on? Is it secure?…

The Replacement for DSSS, OFDM – 39 Pages 

Until recently most low-speed devices used FHSS and higher-speed devices used DSSS; today Orthogonal Frequency Division Multiplexing is the new method. What is OFDM? How is it used? Why is it used?  Class, before we jump in into the different modulation techniques, what is meant by modulation? Why is it important?  What is the difference between analog and digital? Why did most technologies move to Digital? What drawbacks did analog transmission have?  What are spread spectrums? How do FHSS and DSSS compare?…

Impediments to Transmission & Antennas Discussions Week 2 All Students Posts 58 Pages

Impediments to Transmission – 30 Pages

Look around you. How many impediments to successful wireless transmission do you see? How can these be overcome? What is attenuation? how does it occur? What do you do to solve the problem of attenuation?  What are some ways to overcome interference?…

Antennas – 28 Pages 

Look at the wireless devices you use. Where is the antenna? What type of antenna is it? What is polarization? why is it important in WLANs?  What is antenna Efficiency? Can we achieve 90%-100% efficiency on an antenna?….

Use of Bluetooth & How Secure Is a WLAN? Discussions Week 3 All Students Posts 61 Pages

Use of Bluetooth – 31 Pages

Where is Bluetooth commonly used? What is Bluetooth? What frequency does it operate on? What transmission scheme it uses? Is it Secure? What are its common uses? Do you think Bluetooth is Secure? Would you worry about sniffing or eavesdropping ?…

How Secure Is a WLAN? – Posts 30 Pages 

What are the main security threats facing wireless local area networks? What is WEP? How does it work? what are its vulnerabilities?  What did WPA and WPA2 bring to the table?  Why are they better than WEP?…

NETW 589 All Discussions

The Last Mile & FSO – Discussions Week 4 All Students Posts 68 Pages

The Last Mile – 37 Pages

What is the Last Mile? What are the problems associated with the last mile for carriers? Is it really a last mile? or a metpahor for something? What are the problems associated with the last mile for carriers?

FSO – 31 Pages 

What is FSO? Where is it used? What are the advantages and disadvantages?  Have you heard of it before or this is the first time?  What is WWAN? What are some technologies that fall under that umbrella?…

Cellular Data Networks for a WAN & The use of Satellite Networks Discussions Week 5 All Students Posts 55 Pages

Cellular Data Networks for a WAN – 24 Pages

Is a cellular connection an appropriate type of link for use in a WAN? Can it be a primary link? Can it be used as a backup link dialed on demand?…

The use of Satellite Networks – 31 Pages 

Where are satellite links used as part of a WAN? How can the technical limitations be ameliorated?  What are the technical limitations of Satellite Communications?…

Privacy, Security, and RFID & Project Discussions Week 6 All Students Posts 46 Pages

Privacy, Security, and RFID – 27 Pages

RFID has some controversial applications. Is RFID a risk to our privacy, or is it a necessity for security? How does tap to pay work? Has anyone tried it yet?…

Project – 19 Pages 

Discuss with the instructor and fellow students what you learned from the project and how you can apply this in your network management career….

Deploying Wireless Applications & Selling a Wireless Solution Discussions Week 7 All Students Posts 72 Pages

Deploying Wireless – 33 Pages

How do you evaluate wireless solutions for business?  Is it deployed everywhere in businesses? Do you see it to continue be favorable in the future?  What is RFI? What is it used for? What does it aim for? How should it be used?…

Selling a Wireless Solution – 39 Pages 

Imagine that you are a consultant or an IT Manager. How would you go about selling wireless to your customers?  What things do you stress on to bring advantage to the customer?…