INNOVATIVE ACTIVITY

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Across
  1. 1. __modulation technique used for mobile communication systems during world war II was?
  2. 5. In direct sequence process which step is performed first?
  3. 7. HSCSD supports which 2G standard?
  4. 8. 1G or First Generation Mobile Network is _____?
Down
  1. 2. UMTS use which multiple access technique?
  2. 3. The__channel carries one phone circuit at a time.
  3. 4. With the help of __technologies the spectrum efficiency has increased to thrice in comparison to 1G technology.
  4. 6. 8-PSK modulation technology is used by ?