Alvarion BreezeACCESS SU-M-900 Catatan Rilis - Halaman 2

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Juga untuk Alvarion BreezeACCESS SU-M-900: Brosur & Spesifikasi (2 halaman)

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1. Introduction

Alvarion is proud to announce the release of a new BreezeACCESS SU-M-900 firmware version

4.5.22 that incorporates a new enhanced roaming feature that allows better and smoother hand-off

between overlapping cells.

2. New Features

Enhanced Roaming Feature

As an extension to the Best AU algorithm a new "make before break" algorithm has being developed

to continuously scan for neighboring AUs and update the "Best AU" table in the background when the

link quality (RSSI) of the AU in communication drops below a configurable threshold point.

This allows the SU-M to make smart and fast decision to roam to a new AU with a stronger signal (if

such AU exists), even when the quality of the existing link is acceptable. By enabling this feature there

will be a slight impact on the throughput performance of the unit when the algorithm is performing a

roaming scan, but data traffic will be maintained while roaming.

3. Documentation

The information in the release notes is complementary to the product documentation, provided with the

products. BreezeACCESS SU-M-900 Installation Manual covers all installation related topics including

the Roaming parameters and the BreezeACCESS 900 documentation includes system manual and

release notes that explain all other features and installation instructions.

4. Compatibility and Interoperability

Version 4.5.22 is only applicable to BreezeACCESS SU-M-900 and is fully interoperable with

AUs running other firmware versions.

Downgrade of the SU-M-900 from version 4.5.22 will cause the SU-M to loose the roaming

parameter values.

5. Important Notes

It is required to enable the roaming feature and configure the RSSI leaving threshold per SU-M for the

roaming algorithm to be activated.

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