Cisco Cisco Aironet 1522 Lightweight Outdoor Mesh Access Point 디자인 가이드

Cisco Aironet 1520, 1130, 1240 Series Wireless Mesh Access Points, Design and Deployment Guide, Release 6.0

OL-20213-01

Site Preparation and Planning

Figure 31

Laying out Various Cells

If possible, the channel planning should also minimize channel overlap in cases where the mesh has
expanded to cover the loss of a RAP connection, as shown in

Figure 32

Figure 32

Failover Coverage

Collocating Mesh Access Points

The following recommendations provide guidelines for determining the required antenna separation
when collocating AP1520s on the same tower. The recommended minimum separations for antennas,
transmit powers, and channel spacing are addressed.

The goal of proper spacing and antenna selection is to provide sufficient isolation by way of antenna
radiation pattern, free space path loss, and adjacent or alternate adjacent channel receiver rejection in
order to provide independent operation of the collocated units. The goal is to have negligible throughput
degradation due to CCA hold-off, and negligible receive sensitivity degradation due to receive noise
floor increase.

Antenna proximity must be obeyed, and is dependent upon adjacent and alternate adjacent channel
usage.

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