Thursday, April 28, 2011

What is a typical CPICH power?


CPICH power typically takes about 8~10% of the total NodeB power. For a 20W (43dBm) NodeB, CPICH is around 2W (35.1 ~ 33dBm).
In urban areas where in-building coverage is taken care of by in-building installations, the CPICH may sometimes go as low as 5% because:
1) The coverage area is small since users are close to the site, and
2) More power can be allocated to traffic channels

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4 comments:

  1. Is there any direct connection between the CPICH power and coverage Distance?

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  2. Yes If you reduce CPICH Power by 3dBm than coverage reduce by 1/2.

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    Replies
    1. untrue! this is only valid in free space propagation environment.

      In dense urban you will expect much more loss of coverage

      Delete
  3. in case of 20w-43dbm how much coverage distance

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