In a VoWLAN deployment, It is recommended ___ dBm separation between cells with the same
channel.
A.
6
B.
7
C.
10
D.
19
Explanation:
Explanation The overlap of a channel should not exceed -86 dBm (from the center
of the measured cell to the edge of the neighboring cell of the same channel). This is the value of -67 dBm plus the 19 dBm for separation. Keeping the separation at 19 dBm between samechannel cells produces a cell with minimal throughput degradation because of media contention.
This helps maintain up to 7 good-quality WIPT calls in a cell.
Reference:
http://www.cisco.com/en/US/docs/wireless/technology/7920/site_survey/guide/survovr.html