Can the NumSpaceTimeStreams in wlanHESUConfig be larger than 8?

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Yanxi Li
Yanxi Li 2020-8-26
回答： Ganapathi Subramanian R 2024-4-8
I'm doing the simulation about downlink MU-MIMO. I reference the example 'HEDownlinkMUExample' and trying to get the simulation results with 12 transmit antennas.
However, 'wlanHESUConfig' has the rule that 'NumSpaceTimeStreams' must be an integer in [1,8], 12 is out of the bound.
How to solve this problem?
what else should I reference if I want to do Downlink MU-MIMO simulation with 12transmit antennas for 1 AP and 1 receive antennas for each 6 users on the link-level?

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回答（1 个）

Ganapathi Subramanian R
Hi Yanxi,
I understand that you would like to simulate downlink MU-MIMO where number of transmit antennas of Access Point (AP) is equal to 12. Currently, MU-MIMO in MATLAB is supported for number of space time streams less than or equal to 8. There aren't any alternatives to simulate downlink MU-MIMO with 12 antennas.
'wlanHESUConfig' is a configuration object for the WLAN HE single-user (HE SU) and HE extended-range single-user (HE ER SU) packet formats and not for MU-MIMO configuration. 'wlanHEMUConfig' is the configuration object used for defining MU-MIMO configuration. Kindly refer to the below example to understand throughput simulation of MU-MIMO with downlink OFDMA.
https://www.mathworks.com/help/releases/R2023a/wlan/ug/802-11ax-downlink-ofdma-and-multi-user-mimo-throughput-simulation.html

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