A cellular system employs the CDMA scheme. Is it possible to use a composite TDMA/CDMA scheme? If not, why not; and if yes, what may be the potential advantages? Explain clearly.

What will be an ideal response?


Yes, a TDMA scheme can replace a CDMA scheme if the appropriate
modifications are considered. The potential advantages would be that we would
have less complexity involved in the system. Smaller bandwidth allocation is
needed and power control is not a problem as the near-far problem is greatly minimized. However, the number of users in a TDMA system is lower than in a
CDMA.

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What will be an ideal response?

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