LDPC

Indicates whether the AP for the P2P connection uses the low density parity check (LDPC) in relation to 802.11n/802.11ac bit rates.

SNMP ID:
1.3.36.1.50 
Telnet path:
Status > WLAN > Interpoints > Access-point-list
Possible values:
None
The AP is not using LDPC either because the P2P partner does not support LDPC or it does not provide information about the mode.
HT
The AP uses LDPC in the 802.11n (HT) mode. HT = high throughput.
VHT
The AP uses LDPC in the 802.11ac (VHT) mode. VHT = very high throughput.