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HAL Id: tel-00814620

Submitted on 17 Apr 2013

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Advanced personalization of IPTV services
Songbo Song

To cite this version:
Songbo Song. Advanced personalization of IPTV services. Economics and Finance. Institut National
des Télécommunications, 2012. English. �NNT : 2012TELE0001�. �tel-00814620�

Page 2

Thèse n° 2012TELE0001

Ecole Doctorale EDITE

Thèse présentée pour l’obtention du diplôme de
Docteur de Télécom & Management SudParis

Doctorat conjoint Télécom & Management SudParis et Université Pierre et Marie Curie

Spécialité : informatique et réseaux

Songbo SONG

Advanced Personalization of IPTV Services

Soutenue le 06/01/2012 devant le jury composé de :

Pascal LORENZ Rapporteur University of Haute Alsace
Ken CHEN Rapporteur University of Paris 13
Guy PUJOLLE Examinateur University of Pierre et Marie Curie
Gilles BOURDON Examinateur Orange France
Stéphane BETGE-BREZETZ Examinateur Alcatel Lucent Bell Labs France
Laurent RUCKENBUSCH Examinateur France Telecom - Orange Labs
Hossam AFIFI

Co-Directeur de thèse France Telecom - Orange Labs
Directeur de thèse Institut Telecom SudParis

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information (step 6). If there is no privacy constraint, the ST module sends to the Service

Control Function (SCF) a message for triggering the service, encapsulating the needed context

information in this message (step 7). Then, this latter activates the service according to the

received context information. The communication between the ST module and the SCF

replaces the classical process in classical IPTV/IMS service access, where the user directly

communicates with the SCF for requesting the service.

3.3.2 Context information gathering and transmission

Context gathering determines how the context information could be collected from the

distributed sources to the application. It is very important to the context-aware service

especially for the client-server model, where the transfer of context information needs to take

place over unreliable and dynamically changing networks. The efficiency of the context

gathering is a critical factor for the performance of the whole context-aware system. The SIP

protocol is chosen as the context gathering and transmission transport protocol for the IMS

based context-aware IPTV architecture. Because the SIP protocol is chosen as the signaling

protocol for the IMS based application and used for controlling communication sessions for the

IMS based IPTV service. This solution benefits from the existing interfaces for the context

distribution (interfaces between UE, SSF, MF and IMS). Another reason is that SIP is a text-

based protocol which contains a message body and very suitable for the context transmission.

The context information is contained in the message body of different SIP methods (like

SUBSCRIBE, PUBLISH, NOTIFY). The XML document is chosen because it can be well

integrated into the SIP message. The following subsection explains the context gathering and

transmission in the proposed context-aware IPTV architecture.

The communication between the different architectural entities takes place through the

contextual service registration and the context information transmission between the end-

user/network/application servers and the CAS.

Contextual Service Registration: This procedure extends the classical IMS user

registration and authentication procedure to include users’ static context information acquisition

from the HSS. The Diameter Server-Assignment-Answer message [3GPP TS 29.229] which is

sent by the HSS to the S-CSCF in the classical IMS registration is extended to include the user

static context information by adding a User-Static-Context Attribute Value Pair. The Context-

Aware REGISTER (CA-REGISTER) message is defined extending the SIP protocol

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REGISTER message [Rosenberg 02], which enables context-awareness and transmits the user

static context information, delivered at the S-CSCF from HSS, to the CAS.

User/Device Dynamic Context Information Transmission: This procedure is newly

proposed to allow the CCA module of the UE to update in the CAS the user/device context

information that it dynamically acquires. The Context-PUBLISH message is defined, extending

the classical SIP PUBLISH message in order to publish the context information. The

representation of the context information in the Context-PUBLISH message follows the

predefined XML format, while the context information attributes representing the user and

device context (mainly concerning user's location (indoor location), devices location, supported

network type, supported media format, and screen size) as illustrated in the Figure 3-6. The

CAS replies by a CA-OK (Context-awareness OK) message, which is similar to the SIP OK

message. Figure 3-7 illustrates the Context-PUBLISH message.

Figure 3-6 User context information

PUBLISH sip:[email protected] SIP/2.0
Max-Forwards: 70
Via: SIP/2.0/UDP [5555::1:2:3:4]
Route: <sip:[email protected]: >, <sip:[email protected];>
From: <sip:[email protected]>;tag=31415
To: <sip:[email protected]>
Call-ID: b89rjhnedlrfjflslj40a222
Expires: 7200
Content-Type: application/pidf+xml
Content-Length: (...)
<?xml version="1.0" encoding="UTF-8"?>
<context xmlns="urn:ietf:params:xml:ns:pidf"
entity="pres:[email protected]">
<dm:person id="1234">
<rpid:network-type><rpid: ADSL/></rpid: network-type>
<dm:device id="1">
<rpid:suppported_network_type> <rpid:fix><rpid:suppported_network_type>
</dm: device>

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[1] M. Abid, S. Song, H. Moustafa, H. Afifi, "Integrating Identity-Based Cryptography

in IMS Service Authentication," International Journal of Network Security and Its

Applications (IJNSA), Volume 1. Number 3, pages: 1- 13, October 2009

[2] S. Song, M. Abid, H. Moustafa, H. Afifi, "Performance Evaluation of an

Authentication Solution for IMS Services Access," accepted for the special issue

"wireless and network security" in Telecommunication Systems journal- To appear

[3] S. Song, H. Moustafa, H. Afifi, "A Survey on Personalized TV & NGN Services

through Context-Awareness," accepted for publication in ACM Computing Surveys-To


[4] S. Song, H. Moustafa, H. Afifi, "IPTV Services Personalization using

contextAwareness”, accepted for the International Journal of Informatica, SI on IPTV

and Multimedia services-To appear

[5] S. Song, H. Moustafa, H. Afifi, "Advanced IPTV Services Personalization through

Context-Aware Content Recommendation,” submitted to IEEE Transaction on

Multimedia – SI on smart, social and converged TV.


[1] S. Song, H. Moustafa, H. Afifi, "Context-Aware IPTV," IFIP/IEEE Management of

Multimedia & Mobile Network Service (MMNS 2009)

[2] M. Abid, S. Song, H. Moustafa, A. Afifi, "Efficient Identity-Based Authentication

for IMS based Services Access," ACM Mobile Computing & Multimedia 2009

(MOMM 2009)

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[3] S. Song, H. Moustafa, H. Afifi, "Personalized TV Service through Employing

Context-Awareness in IPTV/IMS Architecture," International Workshop on FUTURE


[4] S. Song, H. Moustafa, H. Afifi, "Modeling an NGN authentication solution and

improving its performance through clustering," submitted to IEEE International

Conference on Communications (ICC2012) -- Submitted

[5] S. Song, H. Moustafa, H. Afifi, "Enriched IPTV services Personalization"

submitted to IEEE International Conference on Communications (ICC2012) --



French Patent, INPI # 1060396 "Gestion de Service IPTV dans un Réseau", S. Song &

H. Moustafa, December 2010.

French Patent, INPI # 1052348 "Gestion de Service IPTV/IMS dans un Réseau", S.

Song & H.Moustafa, March 2010.

French Patent INPI # 1159503 “Services de recommendation pour IPTV se basant sur

context-awareness" S. Song & H. Moustafa

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