CS 898T Mobile and Wireless Networks - Homework 1 - Name:_________________

    Assigned: Monday, February 9 
    Due: Monday, February 16 (in class)

    Please show all work on a separate sheet attached to this sheet.
    For each question write key points. 

    (50 points - 10 points for each question) 

    1. Based on mobility and wirelessness catogorize communication
       devices and give an example for each catogory.
       

    2. Survey at least three operating systems for mobile phones and
       list their features. Select one you will use and explain why.


    3. Survey at last three mobile phone communication standards and
       list their features. For each standard find a company which uses 
       that standard. Which mobile phone communication standard is the 
       current market leader and how much percentage does it occupy the
       world market?


    4. Describe 4 multiplexing techniques in wireless communication.
       Give an example for each techniques.


    5. What is digital modulation? Why is digital modulation required? 
       Describe three basic digital modulation methods? What is analog 
       modulation? Why cannot the baseband signal be directly tramsmitted
       in a wireless system?