Huawei Airbridge BTS3606C Product Description page 2

Cdma base station

8 Signal Flows in the BTS

The Abis traffic signals and Abis signaling signals are baseband signals. They are processed by

the STRM and converted into RF signals, and then transmitted by the RF modules. The STRM

also receives RF signals and converts them into baseband signals.

8.1 Abis Traffic Signal Flow in the BTS

This topic describes the Abis traffic signal flow in the BTS. The Abis traffic signals consist of

voice service traffic signals, inband signaling signals, and data service traffic signals.

8.2 Abis Signaling Signal Flow in the BTS

This topic describes the Abis signaling signal flow in the BTS. Two types of signals, namely,

BTS control signaling signals and outband signaling signals, are transmitted on the Abis common

signaling channel.

8.3 OM Signal Flow in the BTS

This topic describes the OM signal flow in the BTS. The OM of the BTS, either originated from

the far-end BAM server or from the near-end maintenance console, is realized through the

operation & maintenance unit (OMU) of the BCKM.

8.4 Clock Signal Flow in the BTS

This topic describes the clock signal flow in the BTS.

8-2

The physical links over the Abis interface are E1/T1/FE links.

The physical links between baseband subracks are cell buses.

The CCPMs/CECMs are connected to the STDM through SFP cables.

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Airbridge BTS3606C CDMA Base Station

Product Description

Issue 03 (2008-02-25)