User's Manual

16 How To Troubleshoot Using Loupe 36
7signal Ltd, Panuntie 6, FI-00620 HELSINKI, FINLAND, [phone], [e-mail], www.7signal.com
7signal Sapphire Loupe User Guide Release 3.1
Client detailed statistics (Client)
E.g. Client retransmission rate and client packet size presents also the end-user performance.
Summary
The end-user downlink performance problems are caused by other Wi-Fi APs. All the APs are
changing radio channel automatically, trying to avoid interference caused by using the same
channels.
The uplink performance problems are caused by high AP interference.
The packet sizes and used data rate codecs vary a lot because of radio interference.
The end-user retransmission rate is high and the data rate codecs vary considerably.