ZEBRA CONFIDENTIAL AND PROPRIETARY ZEBRA TECHNOLOGIES 4
2.4.1 A Perfect
World..................................................................................................................... 26
2.4.2
Reality
................................................................................................................................... 29
2.4.3 Identify Coverage Area
......................................................................................................... 31
2.4.4 Estimate Number of Devices
Required.................................................................................. 33
2.4.4.1 Root Devices.....................................................................................................................................
33
2.4.4.2 Non Root
Device
s .............................................................................................................................
33
2.4.5 Identify Available Mounting Assets
...................................................................................... 34
2.5 S
ITE SURVEY
..................................................................................................................................... 36
2.6 D
ETAILED
D
ESIGN
.............................................................................................................................. 37
2.6.1 Effects of Terrain /
Foliage.................................................................................................... 37
2.6.1.1 Rural Flat / Minimum Foli
age
...........................................................................................................
38
2.6.1.2 Suburban / Mild Building Foliage .....................................................................................................
38
2.6.1.3 Urban / Heavy Building / Foliage......................................................................................................
39
2.6.2 Selecting Root AP
Locations.................................................................................................. 39
2.6.2.1 Selecting a Backhaul Technology .....................................................................................................
42
2.6.2.2 Wireless Based Backhaul Choice ......................................................................................................
42
2.6.2.3 Collocating the AP7161 and a Wireless Backhaul Radio ..................................................................
44
2.6.2.4 Wireline Based Backhaul Choice ......................................................................................................
44
2.6.3 Selecting Non Root AP
Locations .......................................................................................... 46
2.6.3.1 Fresnel Zon
e
.....................................................................................................................................
46
2.6.3.2 Fresnel Example ...............................................................................................................................
47
2.6.4 Node
Spacing ........................................................................................................................ 47
2.6.5 AP
Height .............................................................................................................................. 48
2.6.6 Interference
.......................................................................................................................... 49
2.6.7 Channel
Planning
.................................................................................................................. 51
2.6.8 2.4 GHz Band
........................................................................................................................ 52
2.6.9 5.x GHz
Band......................................................................................................................... 52
2.6.10 Auto Channel
Selection
......................................................................................................... 53
2.6.11 Frequency
Planning............................................................................................................... 53
2.6.11.1 Access Layer Frequency Planning ................................................................................................
54
2.6.11.2 Mesh Layer Frequency
Planning
..................................................................................................
56
2.6.12 Capacity Planning
................................................................................................................. 58
2.6.13 Hop
Count
............................................................................................................................. 58
2.6.14 Coverage, Cluster Size and AP
Density
.................................................................................. 59
2.6.14.1 Cluster Co
verage
..........................................................................................................................
60
2.6.14.2 Node Density ...............................................................................................................................
60
2.6.14.3 Number of Clients per AP ............................................................................................................
60
2.6.15 Coverage
Prediction
.............................................................................................................. 61
2.7 I
NSTALLATION
................................................................................................................................... 65
2.8 T
EST AND
V
ERIFICATION
...................................................................................................................... 66
2.8.1
Infrastructure
........................................................................................................................ 66
2.8.2 The Use
Case
......................................................................................................................... 67
2.8.3 Network Sign
Off................................................................................................................... 68
3 MESH
CONNEX
TM
............................................................................................................................ 69
3.1 MCX POLICY
S
ETTINGS
....................................................................................................................... 69
3.1.1 Mesh
ID
................................................................................................................................. 70
3.1.2 Security
................................................................................................................................. 70