TIA-2001.4-E-2:2011

$86.45

Interoperability Specification (IOS) for cdma2000 Access Network Interfaces – Part 4: A1, A1p, A2 and A5 Interfaces

Published By	Publication Date	Number of Pages
TIA	2011	548

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Category: TIA

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Description

This standard provides the specification for the interface which
coincides with the Reference Point "A" defined in the TR45 Network
Reference Model shown in [I-4] and with Reference point 48 as
defined in the Network Reference Model shown in [27]. The scope of
this standard includes the following topics:

Descriptions of the specified functional capabilities that
provide wireless telecommunications services across the A1
interface as defined in the TR45 Network Reference Model;
Descriptions of the division of responsibility of the functions
provided between the BS and the MSC, without prescribing specific
implementations;
Descriptions of the A1 interface standard that support DS-41
[7] and cdma2000 ^®1 systems.
Descriptions of the specified functional capabilities that
provide circuit services across the packet transport based MSCe-BS
(A1p) and MGW-BS (A2p) interfaces as defined in the Network
Reference Model shown in [27]. It should be noted that, for a given
call, the transcoder may or may not be in the MGW or BS. This
protocol definition is not limited by the location or existence of
the transcoder in the bearer path.
Descriptions of the division of responsibility of the functions
provided between the BS and the MSCe and MGW without prescribing
specific implementations.

Purpose

The purpose of this document is to provide a standard for
interfacing a Mobile Switching Center (MSC) with one or more Base
Stations (BSs). In addition, this standard provides for interfacing
a Mobile Switching Center Emulation (MSCe) and a Media Gateway
(MGW) to one or more BSs. This document defines the functional
capabilities, including services and features, of the specified
interface. These services and features are the defining
characteristics that are the basis for the overall system
standard.

¹ cdma2000^® is the trademark for the
technical nomenclature for certain specifications and standards of
the Organizational Partners (OPs) of 3GPP2. Geographically (and as
of the date of publication), cdma2000^® is a registered
trademark of the Telecommunications Industry Association (TIA-USA)
in the United States.