Tambahan dari telecomfunda nih:

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 Paging Success Ratio:
adalah respons paging ke attempt paging (banyaknya percobaan paging) dalam jaringan WCDMA UMTS.
Nilai yang baiknya adalah di atas 90%.

  IRAT Failure :
IRAT = Inter Radio Access Technology
Ada beberapa penyebab untuk kegagalan IRAT / IRAT Failure di jaringan seluler.
4 Penyebab utamanya adalah :

1. Missing relation ke 2G
2. Tidak adanya 2G resources
3. Poor 2G Coverage
4. Missing relation ke 3G

Tambahan dari telecomfunda nih:

What is a typical CPICH power?

CPICH power typically takes about 10% of the total NodeB power.  For a 20W (43dBm) NodeB, CPICH is around 2W (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:

• The coverage area is small since users are close to the site, and
• More power can be allocated to traffic channels.