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300-360 · Question #99

You are designing a wireless network to support high user density in the 5 GHz spectrum. Which option is the benefit of selecting a channel width of 20 MHz instead of selecting a higher channel width?

The correct answer is C. decreased co-channel interference. If forced to reuse 5 GHz channels, more consistent results will be delivered using strictly 20 MHz channels and avoiding loss of efficiency due to CCI. series/design_guide_c07-693245.html#_Toc309331077

WLAN Design

Question

You are designing a wireless network to support high user density in the 5 GHz spectrum. Which option is the benefit of selecting a channel width of 20 MHz instead of selecting a higher channel width?

Options

  • Aincreased bandwidth
  • Bincreased throughput
  • Cdecreased co-channel interference
  • Ddecreased speed

How the community answered

(24 responses)
  • A
    8% (2)
  • B
    4% (1)
  • C
    71% (17)
  • D
    17% (4)

Explanation

If forced to reuse 5 GHz channels, more consistent results will be delivered using strictly 20 MHz channels and avoiding loss of efficiency due to CCI. series/design_guide_c07-693245.html#_Toc309331077

Topics

#channel width#5 GHz#co-channel interference#high density

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