Alvarion BreezeACCESS 4900 User Manual download pdf (Page 94)

Chapter 2 - Managing a Single Device/Cell Best AU Page (SU Only)/Best BU Page (RB Only)

AlvariCRAFT Device Manager 79 User Manual

2.13 Best AU Page (SU Only)/Best BU Page

(RB Only)

The Best AU/Best BU feature is designed to enable an SU/RB to connect to the

best AU/BU in its neighborhood. When the Best AU/BU feature is used, each of

the AUs/BUs is given a quality mark based on the level at which it is received by

the SU/RB. The SU/RB scans for a configured number of cycles, gathering

information from all the AUs/BUs with which it can communicate. At the end of

the scanning period, the SU/RB reaches a best AU/BU decision according to the

information gathered. The AU/BU with the highest quality mark is selected as the

best AU/BU, and the SU/RB will immediately try to associate with it. The quality

mark given to each AU/BU depends on the level at which it is received by the

SU/RB.

Note that although the SU/RB selects the best AU/BU based on long-term

conditions prior to the decision time, it may not always be connected to the

instantaneous best AU/BU at any given time. The decision is made only once

during the scanning interval. The decision may not remain the optimal one for

ever. If there are significant changes in deployment of neighboring AUs and the

SUs served by them, overall performance may be improved if the applicable SUs

are reset or disassociated intentionally so as to re-initiate the Best AU decision

process.

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Alvarion BreezeACCESS 4900 User Manual Page 94