802.11n: Look Before You Leap - Key considerations for moving to 802.11n

How 802.11n affects the three C’s of network planning

Network planning should always be approached from the perspective of Context, Coverage, and Capacity (the three C’s of network planning). The technological advances of the 802.11n standard affect all three of these. With respect to Context, network planners must consider how interference from new 40MHz channels and the complex site-specific dependencies of Multiple Input Multiple Output (MIMO) technology affect channel planning and AP placement. When considering Coverage, designers must understand coverage differences between 802.11n and legacy systems and correctly define coverage requirements based on network demands. Finally, Capacity is improved due to the 802.11n standard’s increased transmit data rates and MAC layer efficiencies. However, these capacity improvements can only be fully utilized when the network client distribution is properly planned.

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Format PDF, approximately 513KB.