IP MULTIMEDIA SUBSYSTEM - NetCAPE: Enabling Seamless IMS Service Delivery across Heterogeneous Mobile Networks

Udugama, Asanga; Kuladinithi, Koojana; Görg, Carmelita; Pittmann, Frank; Tionardi, L.

doi:10.1109/mcom.2007.382665

Cited by 27 publications

(17 citation statements)

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“…,Udugama, Kuladinithi, Gorg, Pittmann, and Tionardi (2007),Yuan and Chen (2007) M-commerceAnagnostopoulos, Tsounis, and Hadjiefthymiades (2007),Becerra-Fernandez, Cousins, and Weber (2007),Bouvin, Christensen, Frank, and Hansen (2003),Broens, Halteren, Sinderen, and Wac (2007),Chakraborty et al (2007),Genco, Sorce, Reina, and Santoro (2006),Kwon (2003),Kwon and Sadeh (2004),Kwon, Shin, and Kim (2006),Maiden, Omo, Seyff, Grunbacher, and Mitteregger (2007),Mandato, Kovacs, Hohl, and Amir-Alikhani (2002),Riva and Toivonen (2007),Roussos, Marsh, and Maglavera (2005),Skov and Høegh (2006),Stylianos, Nikia, Kia, and Christos (2007),Syukur and Loke (2006),Wac, Halteren, Bults, and Broens (2007),Wohltorf, Cissée, and Rieger (2005), Web serviceBlake, Kahan, and Nowlan (2007),Debaty, Goddi, and Vorbau (2005),Ceri, Daniel, Facca, and Matera (2007),Gandon and Sadeh (2004),Kanter (2003),Kwon (2006b),Kwon, Choi, et al (2005),Kwon, Yoo, et al (2005), Lee(2007),Pashtan, Kollipara, and Pearce (2003) …”

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confidence: 99%

Context-aware systems: A literature review and classification

Hong

Suh

Kim

2009

Expert Systems with Applications

488

277

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mentioning

confidence: 99%

Context-aware systems: A literature review and classification

Hong

Suh

Kim

2009

Expert Systems with Applications

488

277

View full text Add to dashboard Cite

“…Authors in [11] proposed combination of SIP and MIP based terminal mobility to reduce handoff delay. Policy engine based handoff was considered in [12] where policy engine gathers information from user terminal and network operators and takes handoff decision based on the collected information. The Proactive vertical handover algorithm using IMS compliant Handoff Management application server was discussed in [13].…”

Section: Related Workmentioning

confidence: 99%

Modified hybrid coupled architecture for UMTS-WiMAX-WLAN overlay networks using IMS

Bharathi

Nithyanandan

2014

2014 International Conference on Communication and Signal Processing

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4G communications expects to integrate different radio access networks together to meet wide expectation from users and to support mobility. The different radio networks such as Universal Mobile Telecommunication Systems (UMTS), Worldwide interoperability for Microwave Access (WiMAX), Wireless Local Area Network (WLAN), etc. are collocated in same geographical area to provide different services are called overlay networks. Integration of these networks increases efficient utilization of overall network bandwidth, QoS of user and supports mobility. Integration of different networks has the challenges like terminal mobility, session establishment, session management, session negotiation and charging etc. The IP Multimedia Subsystem (IMS) offers solution for above mentioned issues. This paper proposes modified hybrid coupled architecture for UMTS-WIMAX-WLAN overlaid network using IMS to support QoS and mobility. Performance of the proposed modified hybrid coupled architecture for two real time services (voice and video) are compared with loose, tight and hybrid coupled architectures. Packet delay variation, packet end-to end delay for video service, jitter, packet end-to end delay, Mean opinion score (MoS) value for voice service and number of hops and network convergence activity are considered as parameters for performance comparison. The proposed modified hybrid coupled architecture provides better QoS compared with loose, tight and hybrid coupled architecture.

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“…Similarly, [33] presents an architecture able to manage vertical handoffs, by using a SIP-based approach. The scheme complies to the IP Multimedia Subsystem (IMS), a standardized overlay architecture for session control, authentication, authorization and accountability in all-IP networks [8].…”

Section: Ii5 Solutions At the Session Layermentioning

confidence: 99%

The “Always Best Packet Switching” architecture for SIP-based mobile multimedia services

Ghini

Ferretti

Panzieri

2011

Journal of Systems and Software

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-This paper presents a distributed architecture for the provision of seamless and responsive mobile multimedia services. This architecture allows its user applications to use concurrently all the wireless network interface cards (NICs) a mobile terminal is equipped with. In particular, as mobile multimedia services are usually implemented using the UDP protocol, our architecture enables the transmission of each UDP datagram through the "most suitable" (e.g., most responsive, least loaded) NIC among those available at the time a datagram is transmitted. We term this operating mode of our architecture Always Best Packet Switching (ABPS). ABPS enables the use of policies for load balancing and recovery purposes. In essence, the architecture we propose consists of the following two principal components: i) a fixed proxy server, which acts as a relay for the mobile node and enables communications from/to this node regardless of possible firewalls and NAT systems, and ii) a proxy client running in the mobile node responsible for maintaining a multi-path tunnel, constructed out of all the node's NICs, with the above mentioned fixed proxy server. We show how the architecture supports multimedia applications based on the SIP and RTP/RTCP protocols, and avoids the typical delays introduced by the two way message/response handshake of the SIP signaling protocol. Experimental results originated from the implementation of a VoIP application on top of the architecture we propose show the effectiveness of our approach.

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IP MULTIMEDIA SUBSYSTEM - NetCAPE: Enabling Seamless IMS Service Delivery across Heterogeneous Mobile Networks

Cited by 27 publications

References 0 publications

Context-aware systems: A literature review and classification

Context-aware systems: A literature review and classification

Modified hybrid coupled architecture for UMTS-WiMAX-WLAN overlay networks using IMS

The “Always Best Packet Switching” architecture for SIP-based mobile multimedia services

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