Alvarion BreezeACCESS 4900 User Manual download pdf (Page 113)

Site Survey

BreezeCONFIG for BreezeACCESS VL and BreezeACCES 4900 User Manual

2.11.4 Site Survey Per Modulation Level Counters

Tab (SU)

The Per Modulation Level Counters tab displays information related to each

modulation level supported by the selected unit.

Figure 2-38: Per Modulation Level Counters Tab – Subscriber Unit

The Per Modulation Level Counters tab is comprised of a table with the following

components:

 Mod. Level: The applicable modulation level.

 Tx Success: The total number of unicast frames successfully transmitted by

the selected unit at the applicable modulation level (excluding

retransmissions).

 Tx Failed: The total number of failures to successfully transmit unicast

frames at the applicable modulation level.

 Average Received SNR: The average Signal to Noise Ratio of the received

frames.

 Average Modulation Level (AML): The average modulation level (rounded to

the nearest integer) since the last time the Per Modulation Level counters were

reset. The average is calculated using the SUCCESS count at each modulation

level as weights.

 Link quality Indicator (LQI): Click on the Start button to gather information

on the average quality of the wireless link to the AU, using the dynamically

updated average modulation level measurements. After a short period the

Link Quality Indicator will be displayed.

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Alvarion BreezeACCESS 4900 User Manual Page 113