CP – Cyclic Prefix
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CP – Cyclic Prefix

In OFDM systems, a CP (Cyclic Prefix) can be used to counter the effects of multipath propagation. This can be represented as a guard period which is located just in front of the user data portion and as such, is able to mitigate Delay Spread. The CP is in fact the final part of the OFDM Symbol copied and placed in front of the same OFDM symbol.

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