H12-323-V2.0: HCIP-WLAN

By Huawei · Question Mode

QuestionQ11

WLAN Networking Technologies

A Huawei Wi‑Fi 6 AP supports up to 8x8 MIMO on the 5 GHz band when operating in dual-radio mode. When its 5 GHz radio uses 160 MHz channel bandwidth, a Wi‑Fi 6 STA operating in 2x2 MIMO + 160 MHz mode connects to that radio. What is this STA’s maximum theoretical rate?

Explanation

A 2x2 Wi‑Fi 6 STA can transmit or receive at most two spatial streams. At 160 MHz, each Wi‑Fi 6 spatial stream has a maximum theoretical PHY rate of about 1.2 Gbit/s, so two streams provide about 2.4 Gbit/s. The AP’s additional spatial-stream capability can serve other streams or users but does not increase this STA’s 2x2 limit.

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