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Surf IWF for GSM/UMTS Networks

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M ediaProcessingPow erhousePresentation Highlights

IWF (Inter-Working Function) Overview

IWF for GSM

IWF for UMTS

IWF as Part of a NGN (Next Generation Network)

Diagnostics Tools for an IWF

Voice/Video Capabilities

SurfUP – Levels of Integration

IWF Customers





IWF for GSM

IWF for UMTS





IWF Customers



M ediaProcessingPow erhouseIWF Overview

The IWF (Inter-Working Function) connects the circuit-switched data paths of a Mobile Network with a Fixed Network (PSTN/ISDN)

The IWF is part of the MSC (Mobile Switching Center)

The IWF performs the media processing, while the MSC performs the call control



M ediaProcessingPow erhouse

MSC

IWF

Control

Mobile Core Network

IWF: Connecting Mobile and Fixed Networks

Mobile Radio Network

PSTN/ISDNPSTN Fax Machine

3.1K Audio Modem

Mobile Terminal

ISDN Modem

IUT-TV.

Standards

ETSI / 3GPPStandards





IWF for GSM

IWF for UMTS





IWF Customers



M ediaProcessingPow erhouseIWF for GSM

Data goes from side-to-side within the DSP (application level is for configuring and monitoring)

Data rates up to 14,400bps

On the Mobile Side (up to 14,400bps) Mobile rate adaptation schemes, as defined by ETSI RLP Version 0

On the Fixed-Network side Modem: V.34 and fallbacks, V.42/V.42bis and fallbacks ISDN rate adaptation schemes

3GPP TS 43.045 (GSM 03.45) Transparent Fax, including mobile-to-mobile calls



M ediaProcessingPow erhouseGSM IWF – Fax Call Example

MSC

IWF

Control

Mobile Core Network

Mobile Radio Network

PSTN/ISDNPSTN Fax Machine

3.1K Audio Modem

Mobile Terminal

ISDN Modem

1. Mobile terminal initiates a Teleservice FAX3 call to a PSTN Fax2. The MSC configures one IWF circuit: A-TRAU on the MS, V.17 on the NW4. The IWF synchronized towards the Fixed NW Fax (V.17)3. The IWF synchronized towards the mobile terminal (A-TRAU)5. Fax transmission (3GPP TS 43.045 / GSM 03.45) from the Mobile Station to the Fixed NW Fax

ITU-T V.17ETSI A-TRAU

Fax transmission goes through the IWF



M ediaProcessingPow erhouseFixed Network Protocol Stack

M

O

D

E

M

F

A

X

I

S

D

N

ALaw/MuLaw

V.34 and Fall-backs

V.42/Alternate Protocol

V.42bis/MNP5

ALaw/MuLaw

V.17, V.29, V.27ter, V.21

3GPP TS 43.045

(GSM 03.45)

V.110 / V.120

(UDI)

ISDN: RDI and V.42bis over V.120 support are roadmap features



M ediaProcessingPow erhouseMobile Side Protocol Stack

M

O

B

I

L

E

L2R

RLP Versions 0 or RA0 (Asynch to Synch) or None

Modified V.110,A-TRAU




UDIV.110, V.120

ISDNV.34 and

Fall-Backs

ECDCMODEM

Full IWF for GSM Protocol Stack

DSPC64x

Host

Modified V.110,

A-TRAU

V.17, V.29,

V.27ter,V.21

Media Processing

Signaling

RLP V.0 or RA0 or None

Towards Mobile side and fixed Network Side

Applications

3GPP TS 43.045

(GSM 03.45)

FAXISDNMODEMMOBILE

FAX

MOBILE





IWF for GSM

IWF for UMTS





IWF Customers



M ediaProcessingPow erhouseIWF for UMTS

Surf IWF for UMTS supports:

Mobile rate adaptation schemes defined by ETSI, including:

HSCSD (High Speed Circuit Switched Data), and

3G connectivity (A-TRAU’)

V.90 and fallback modem standards on a Fixed Network

ISDN rate adaptation schemes

3GPP TS 43.045 (GSM 03.45) Transparent Fax, including mobile-to-mobile calls

Data goes from side-to-side within the DSP (application level is for configuring and monitoring)



M ediaProcessingPow erhouseFixed Network Protocol Stack

M

O

D

E

M

F

A

X

I

S

D

N

ALaw/MuLaw

V.90 and Fall-backs

V.42/Alternate Protocol

V.42bis/MNP5

ALaw/MuLaw

V.17, V.29, V.27ter, V.21

3GPP TS 43.045

(GSM 03.45)

V.110 / V.120

(UDI)

ISDN: RDI and V.42bis over V.120 support are roadmap features



M ediaProcessingPow erhouseMobile Side Protocol Stack

M

O

B

I

L

E

V.42bis, L2R

RLP Versions 0, 1, 2 or RA0 (Asynch to Synch) or None

A-TRAU’Modified V.110,

A-TRAU(With HSCSD Support)




UDIV.110, V.120

ISDNV.90 and

Fall-Backs

ECDCMODEM

Full IWF for UMTS Protocol Stack

DSPC64x

Host

Modified V.110,

A-TRAU(HSCSD)

V.17, V.29,

V.27ter,V.21

Media Processing

Signaling

V.42bis/RLP V. 0, 1, 2 or RA0

Towards Mobile side and fixed Network Side

Applications

A-TRAU’

FAXISDNMODEMMOBILE

3GPP TS 43.045

(GSM 03.45)FAX

MOBILE





IWF for GSM

IWF for UMTS





IWF Customers




IWF as Part of an NGN: Delivering the TDM Through the IP NW

Dedicated IP Network

Gateway

Gateway

TDM Towards PSTN/ISDN

TDM Towards PLMNTDM is Packed as an RTP Payload

The TDM from the PSTN/ISDN and PLMN networks is packed as a RTP/UDP/IP payload

The IWF in this configuration contains: Mobile side

Fixed-Network side

The front-ends to the IWF: VoIP Clear-Channel data (RFC 4040), sends/receives the TDM to/from the IP NW

Host

IWF

Control

Mobile Core Network

Mobile Terminal

3.1K Audio Modem

TDM is Packed as an RTP Payload

IWF, as part of an NGN, provides End-to-End connectivity





IWF for GSM

IWF for UMTS





IWF Customers



M ediaProcessingPow erhouseBuilt-in Tools

Radio-Link Simulation

Simulates Radio-Link delay and handover effect on the TDM

Particularly helpful in system integration and verification phases

SurfDetect

Enables the gathering of real-time binary and textual streaming diagnostics from multiple DSPs located on systems installed in the field

Used for Deployed Systems

For System Integration and Verification Phases

For Deployed Systems



M ediaProcessingPow erhouseComplementary Tool

SurfInsight

An expert system for decoding and analysis of Fax, Modem, Mobile Rate-Adaptation schemes and RLP

A “must” tool for an IWF application – can indicate the problematic side (Fixed network or Mobile side)

Used for System Verification Phase and for Deployed Systems

For System Verification Phase and for Deployed Systems





IWF for GSM

IWF for UMTS





IWF Customers



M ediaProcessingPow erhouseVideo and Voice Capabilities

SurfUP voice capabilities include an impressive list of supported vocoders for the IP and mobile networks:

G.711, G.726, G.723.1a, G.729ab, G.729e, G.728

GSM-NB-AMR, GSM-FR, GSM-HR, GSM-EFR, Q-CELP13, EVRC, SMV

Roadmap: G.722.2 (WB-AMR)

SurfUP is also a video gateway system, supporting different video codecs and protocols for the mobile, PSTN and IP networks

The logical termination point (to the PSTN/ISDN or IP) for a 3G-324M, a video mobile circuit-switched protocol, is within an IWF





IWF for GSM

IWF for UMTS





IWF Customers




SurfUP Levels of Integration: Chip Level

DSP

Chip-Level Solution C64x-based

STP-12 (based on C6412@720MHz) Density:

Density of Full IWF Circuits, each one of them is capable of running both data and Fax Group 3 services.

15 Full IWF Circuits for both UMTS and GSM. 18 Full IWF Circuit for GSM only.

Supports simultaneous TDMIP I/F for VOIP gateway

SurfDetect real-time streaming diagnostics from DSP

Open Framework for integration of customer technology

Same software can run also on other C64x based TI DSPs




SurfUP Levels of Integration: Board Level

Board-Level Solution

SurfAce-112 Form Factor: PCI

Number of STP-12 DSPs: 1 on board/2,4 or 8 with daughter card

Interfaces: Ethernet E1/T1 (optional) PCI H.100

Density: Number of DSP’s * density of single STP-12

Software features: same as STP-12




SurfUP Levels of Integration: Board Level

Board-Level Solution

SurfRider-812/PTMC Form Factor: PTMC (cPCI mezzanine)

Number of STP-12 DSPs: 2,4,or 8

Interfaces: Ethernet PCI H.100

Density: Number of DSP’s * density of single STP-12

Software features: same as STP-12





IWF for GSM

IWF for UMTS





IWF Customers



M ediaProcessingPow erhouseCurrent Deployed IWF Customers

The SurfIWF solution has already been deployed and tested in major accounts:

6 years deployment with a major customer on C54xx DSP

4 years deployment with a major customer on both C62xx and C64xx DSPs

3 years deployment with a major customer using C62xx DSP. The acceptance tests covered all the major ETSI IWF-related standards

New major IWF customer using TI next-generation DSP

New major IWF customer using the SurfRider-812/PTMC

New IWF customer using the SurfAce-112/PCI

New IWF for GSM customer using the SurfAce-112/PCI



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