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CCNA Wireless 640-722 Official Cert Guide by David Hucaby

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TPC

The TPC algorithm focuses on one goal: setting each AP’s transmit power level to an appropriate value so that it offers good coverage for clients while avoiding interference with neighboring APs that are using the same channel. Figure 13-9 illustrates this process. APs that were once transmitting too strongly and overlapping each other’s cells are adjusted for proper coverage, reducing the cell size more appropriately to support clients.

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Figure 13-9 Basic Concept of the TPC Algorithm.

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