Unify OpenScape WLAN Phone WL4, Planning Manual

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Contents
Contents
1 Introduction................................................................................................................................4
2 Overview.....................................................................................................................................5
2.1 Introduction to Wireless Planning............................................................................................ 5
2.1.1 Physical Separation.......................................................................................................... 6
2.1.2 Logical Separation............................................................................................................ 6
2.2 5GHz Radar Protection in DFS Channels............................................................................... 7
2.3 Support for 802.11 krv............................................................................................................. 8
3 Wired LAN and Backbone Requirements.............................................................................10
3.1 Quality of Service Recommendations....................................................................................10
3.1.1 IEEE 802.11 Priority Field...............................................................................................10
3.1.2 IEEE 802.1q Priority Field.............................................................................................. 10
3.1.3 DiffServ, DSCP Value..................................................................................................... 11
3.2 End-to-End Quality of Service............................................................................................... 11
3.2.1 Uplink : Handset to Access Point................................................................................... 11
3.2.2 Downlink to Wired Network............................................................................................ 11
3.2.3 Downlink : Access Point to Handset...............................................................................12
4 Security Considerations.........................................................................................................13
5 Basic Cell Planning.................................................................................................................14
5.1 Transmission Rate................................................................................................................. 16
5.2 RF Signal Corruption in VoWiFi System................................................................................16
5.2.1 Free Space Loss............................................................................................................ 16
5.2.2 Distance Attenuation.......................................................................................................16
6 Co-Channel Interference.........................................................................................................18
6.1 Clear Channel Assessment................................................................................................... 18
6.2 Hidden Node Problem............................................................................................................19
7 AP Placement for Optimal Performance...............................................................................21
7.1 Conflicting Interests with RTLS Placement............................................................................22
8 Infrastructure Dependant Features....................................................................................... 23
8.1 Automatic RF Adaptations in WLAN Systems.......................................................................23
8.2 Load Balancing...................................................................................................................... 23
9 Regulatory Domain - 802.11d.................................................................................................24
10 Related Documents...............................................................................................................25
11 Migration.................................................................................................................................26
11.1 Interoperability OpenScape WLAN Phone WL4.................................................................. 26
11.2 Client Behavior Experience..................................................................................................26
11.3 Replacing Handsets: Test and Evaluation Considerations...................................................26
A31003-M2000-P103-01-76A9, 29/04/2020
System Planning, Planning Guide
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