User's Manual

17 KPI Glossary 42
7signal Ltd, Panuntie 6, FI-00620 HELSINKI, FINLAND, [phone], [e-mail], www.7signal.com
7signal Sapphire Loupe User Guide Release 3.1
TR002
AP downlink throughput
Measures the amount of downlink data
transmitted by an AP during a
measurement period. During the test, an
Eye listens traffic for 15 sec per each
managed access point. Measures the
amount of downlink data transmitted by an
AP during a measurement period. During
the test, an Eye listens traffic for 15 sec per
each managed access point.
Kbit/s
TR003
Number of clients per AP
Measures the number of concurrent clients
using the specified AP during the test. This
KPI is measured concurrently with the
TRV001 AP uplink throughput. Measures
the number of concurrent clients using the
specified AP during the test. This KPI is
measured concurrently with the TRV001 AP
uplink throughput.
TR015
AP packet size
Measures the IEEE802.11 frame sizes
during a monitoring per AP.
byte
TR0018
Average QoS category in AP
traffic monitor
The average of all the used QoS-categories
during AP traffic monitoring.
#
Client
QURS005
Client signal level at Eye
Measures the signal power level of clients
from the Eye point of view. Measures the
signal power level of clients from the Eye
point of view.
dBm
QURS006
Client signal to noise ratio (SNR)
at Eye
Measures the signal to noise ratio of clients
from the Eye point of view. Measures the
signal to noise ratio of clients from the Eye
point of view.
dB
QURS007
Client radio retransmission rate
Number of retransmitted frames divided by
the number of all the frames sent to an AP
uplink by a client. Number of retransmitted
frames divided by the number of all the
frames sent to an AP uplink by a client.
%