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Mobile Communication and Computing
J.Pu edited this page Oct 5, 2017
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Mobile Computing
- Why radio cells should be smaller?
- Ad= 0, Ak=010011. What is the signal which will be translated through air. (It means find out As with CDMA coding)
- What is difference between OFDM and FDM (Advantages and disadvantages)
GSM
- How can bi achieved incoming call via using GSM.
- How GPRS use channels
- What is the 2 new features which used in UMTS and LTE.
Satellite
- Compare LOE,MEO, GEO for using TV Broadcasting, GPS and Satellite Telephony
- What is triangulation mechanism?
- Why doesn't meter the mass of satellite?
Mobile IP
- How can be achieved the problem of triangulation roating.
- Why Snooping mechanism usable for Mobile devices? Main advantages?
- Explain the main idea and advantages of IP-in-IP encapsulation.
Mobile Application
- Give an example of Technical Context, Social Context and Physical Context.
- What is Activity in Android?
- Explain difference between Semantic and Syntactic XML-based approach (or smthg. like that)