TIA-2001.4-E-3:2012

$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	2012	544

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Category: TIA

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Description

This standard provides the specification for the interface which
coincides with the Refe rence Point "A" defined in the TR45 Network
Re ference 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 capabilit ies
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 definit ion 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 th1 e BS and the MSCe and MGW without
prescribing specific implementations.

Purpose

The purpose of this document is to provide a standard for
interfacing a MSC with one or more Base Stations (BSs). In
addition, this standard provides for interfacing a Mobile Switching
Center Emulat ion (MSCe) and a MGW to one or more BSs. This
document defines the functional capabilit ies, 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 pub lication), cdma2000^® is a registered
trademark of the Telecommunications Industry Association (TIA-USA)
in the United States.