Ruckus Wireless ZoneDirector 1100 User Manual page 407

1 The PPI:802.11-Common Header antenna signal and antenna noise fields of
packets transmitted by the AP contain the next-to-lowest byte and the lowest
byte, respectively, of the antenna pattern used to transmit the packet. On some
APs, the pattern value may contain more significant bits, which are not stored
in this header. If the packet is 802.11n, it will also contain the full antenna pattern
value in the header described below.
2 The PPI:802.11n-MAC+PHY Header EVM-3 field of packets transmitted by the
AP contains the full antenna pattern used to transmit the packet (similar to above,
except this 32-bit field can accommodate the complete value).
3 The PPI:802.11n-MAC+PHY Header MAC Flags field's upper bits convey
additional TX and RX descriptor indicators described in the table below.
Table 33. Ruckus-defined indicators conveyed in MAC Flags
TX Indicator
Sounding (0=not; 1=yes)
TxBF (0=not applied; 1=yes)
Ness (#ext spatial streams)
STBC (0=not applied; 1=yes)
LDPC (0=not applied; 1=yes)
LDPC indicator valid
unassigned
RTS HTC TRQ
RTS HTC MRQ
RTS HTC MSI
RTS enabled
Calibrating
Limitation: The AP can report RX EVM values or the RX LDPC indicator, but not
both. When packet capture is invoked from the ZD UI, the software selects RX EVM
values. Therefore, the RX LDPC indicator is not reported, and the LDPC indicator
valid bit will be zero. The RX LDPC indicator is available when invoking packet
capture from the AP command line interface.
ZoneDirector 9.8 User Guide, 800-70599-001 Rev B
Bit RX Indicator
31 Sounding (0=not; 1=yes)
30 unassigned
28-29 Ness (#ext spatial streams)
27 STBC (0=not applied; 1=yes)
26 LDPC (0=not applied; 1=yes)
25 LDPC indicator valid
24 unassigned
23 HW Upload Data
22 HW Upload Data Valid
20-21 HW Upload Data Type
19 unassigned
18 unassigned
Packet Capture and Analysis
Streaming Mode
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