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Cell Planning and Distance
Table 22: Outdoor 11n AP-to-Client, at 2.4 GHz: 9 Mbps Data Rate ( A domain)
Parameter
Tx Power Conducted
Tx Antenna Gain
Tx Beam Forming (BF)
Tx EIRP
Rx Antenna Gain
Rx Sensitivity
System Gain
Range (AP to Client)
The –A domain AP to client link budget in 2.4 GHz band is limited by upstream. That is, the upstream has
lower system gain, and therefore, the decision factor will be upstream.
Cell sizes for AP to Client in 2.4 GHz for different AP1552 models can be decided by picking the lowest of
the following two:
• AP to Client distance in the 2.4-GHz band (from
Mbps Data Rate (–A domain), on page
• Half of the distance between AP to AP on the 5-GHz backhaul (from
for the 5-GHz band in -A Domain, on page
Because most of the clients available are 2.4-GHz clients, we recommend the cell size taking 2.4 GHz values
into consideration (see
79).
Cisco Mesh Access Points, Design and Deployment Guide, Release 7.3
78
Cisco 1552 I/C
DS
US
28 dBm
20 dBm
(AP)
(Client)
2 dBi
0 dBi
(AP)
(Client)
4 dB
0 dB
(AP)
(Client)
34 dBm
20 dBm
0 dBi
2 dBi
(Client)
(AP)
–90 dBm
–94 dBm
(Client)
(AP)
124 dB
116 dB
268 meters
(881 feet)
78)
75)
Table 23: Lowest of AP to Client and Half of AP to AP Backhaul Distance, on page
Cisco 1552 E/H
Comments
DS
US
28 dBm
20 dBm
Composite power at 9 Mbps,
20 MHz bandwidth
(AP)
(Client)
4 dBi
0 dBi
(AP)
(Client)
4 dB
0 dB
Legacy Rate ClientLink.
Helps only in DS.
(AP)
(Client)
36 dBm
20 dBm
0 dBi
4 dBi
(Client)
(AP)
–90 dBm
–94 dBm
Includes 4.7 dB MRC gain for
AP1552
(Client)
(AP)
126 dB
118 dB
323 meters
LOS, PLE = 2.5
(1058 feet)
Table 22: Outdoor 11n AP-to-Client, at 2.4 GHz: 9
Table 20: Link Budget Comparison
Site Preparation and Planning
OL-27593-01
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