What is spread spectrum, Computer Engineering

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Question:

(a) In order to encourage the development mobile technologies, Europe has opted for standardisation. What is the rationale behind this? Provide concrete examples of how this has positively  influenced the development of mobile technologies and compare this to the American model.

(b) Describe different types of antennas and their relative advantages.

(c) State and describe different effects that affect signal propagation.  

(d) What is Spread Spectrum?

(i) State and describe the main problem that spread spectrum techniques help to overcome

(e) State 5 of the Microsoft guidelines for designing accessible user interfaces.


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