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On QoS Adaptation of Multimedia Communications Using IMS

Michail Tsagkaropoulos, Ilias Politis, Tasos Dagiuklas, Stavros Kotsopoulos
2008 Proceedings of the 4th International Mobile Multimedia Communications Conference  
Keywords IMS, video streaming, seamless vertical handoff, multimedia provisioning.  ...  The adaptation is performed at the MRF function when the user performs a vertical handoff so that the service is adapted to meet the wireless bandwidth constraints.  ...  The MRF functionality in the IMS architecture has been described and its role on QoS adaptation during vertical handoffs is analyzed.  ... 
doi:10.4108/icst.mobimedia2008.3875 dblp:conf/mobimedia/TsagkaropoulosP08 fatcat:wg6igowbkrbrvm4kpzevku3euu

SINR and Cost Based Vertical Handoff Scheme for K-Tier Heterogeneous Wireless Network

Amitav Panda, Sarat Kumar Patra, D P Acharya
2014 International Journal of Computer Applications  
The HWN aims to provide all kind of services like voice, data, web browsing, video streaming with interruption mobility across each tier of the network.  ...  The Vertical hand off (VHO) plays the key role in an integrated heterogeneous for mobility.  ...  Now a days, users demand all kind of services with mobility for which, the QoS have important role for providing all services (voice, video streaming, web browsing, telemetry services) with mobility.  ... 
doi:10.5120/18872-0143 fatcat:at6gih6kyjce7buiotfmwz5yku

Implementation of Vertical Handoff Algorithm between IEEE 802.11 WLAN & CDMA Cellular Network

Vidya s. Pande Vidya s. Pande
2013 IOSR Journal of Electronics and Communication Engineering  
This process of changing a connection from one IP address to another one in IP network is called handoff. Vertical handoff is switching from one network to another while maintaining the session.  ...  These services require various networks (such as CDMA2000 and Wireless LAN) to be integrated into IP-based networks, which further require a seamless vertical handoff to 4 th generation wireless networks  ...  This will quicken the download time of a 10-Mbyte file to one second on 4G, from 200 seconds on 3G, enabling high-definition video to stream to phones and create a virtual reality experience on high-resolution  ... 
doi:10.9790/2834-0635762 fatcat:aq5dgp7pc5h6jaqc4jyorycmiq

Adaptive streaming on heterogeneous networks

Massimo Bernaschi, Filippo Cacace, Raffaele Clementelli, Luca Vollero
2005 Proceedings of the 1st ACM workshop on Wireless multimedia networking and performance modeling - WMuNeP '05  
In this paper we study how to integrate an efficient method for vertical handoff and adaptation support for multimedia streaming through heterogeneous networks.  ...  However, the QoS requirements of streaming applications and video conferencing systems require an approach that spans across different layers of the network stack.  ...  A key point for a successful deployment of mobility protocols is the capability of supporting streaming (such as video-on-demand) and real-time applications (such as VoIP or videoconferencing).  ... 
doi:10.1145/1089737.1089741 dblp:conf/mswim/BernaschiCCV05 fatcat:h3xc7jop5jdizde3kr5nzpzedy

Handover approaches for seamless mobility management in next generation wireless networks

Linoh A. Magagula, H. Anthony Chan, Olabisi E. Falowo
2011 Wireless Communications and Mobile Computing  
The parameters such as Handover delay for voice and video services and number of packets dropped in downlink and uplink are obtained.  Inter-Technology mobility: The Mobility between LTE and non-3GPP  ...  Inter-technology mobility is the key feature of smooth handover, which eventually results in interoperability. Seamless handover is one of the obligatory issues of interoperability.  ...  of information, data, images, video, and so on.  ... 
doi:10.1002/wcm.1074 fatcat:ce3ondgn2rgdbi326j4t4tsobm

A novel adaptive schema to facilitates playback switching technique for video delivery in dense LTE cellular heterogeneous network environments

Saleh Ali Alomari, Mowafaq Salem Alzboon, Mohammad Subhi Al-Batah, Belal Zaqaibeh
2020 International Journal of Electrical and Computer Engineering (IJECE)  
The services of the Video on Demand (VoD) are currently based on the developments of the technology of the digital video and the network's high speed.  ...  In the proposed technique reaches 1.1026 seconds forming the required time of a mobile device that is switching from a single network to its adjacent one. while the handoff termination average in the MobiVoD  ...  A video on demand (VoD) system over mobile ad hoc networks (MANETs) is widely used in our daily life and needs certain particular quality of service (QoS) parameters to be conducted [2, 3] .  ... 
doi:10.11591/ijece.v10i5.pp5347-5367 fatcat:ztalwihrbrbfjcvfhghkzuum7m

Mobility Management for Seamless Information Flow in a Heterogeneous Networks

2011 Journal of Computer Science  
The rapidly growing demand for "anywhere, anytime" high-speed access to IP-based services is becoming one of the major challenges for mobile networks.  ...  Among the above one the real time video transmission is considered as the major application because delay cannot be permitted and one more thing the mobility should be managed without any break in the  ...  As an example, we considered handoff delay for a 60 kb/s Real-Time Transmission Protocol streaming service, with handoff delay defined as the delay between the first Real-Time Transmission Protocol packet  ... 
doi:10.3844/jcssp.2011.270.278 fatcat:tasbhi37srcatlimg75hjzwo6u

Effects of SIP in Interoperable LMR/Cellular Heterogeneous Mobile Wireless Network

S Kirubakaran
2012 IOSR Journal of Computer Engineering  
For accessing the cellular network services, the LMR network mobile node should handoff to cellular network if there is resource available.  ...  We have studied Traditional SIP and Seamless SIP method with the constraints of handoff delay and resource utilization.  ...  A multilayer framework for vertical handoff is proposed in [10] .  ... 
doi:10.9790/0661-0353743 fatcat:ob7wdb5pfncejewqpkguz2jraa

Buffer Control to Support a Seamless Stream Handoff in a WLAN that Employs Simulcast Streaming

Sheau-Ru Tong, Sheng-Hsiung Yang
2008 IEEE Transactions on Wireless Communications  
In general, the deployment of a few-hundred-millisecond video-clip buffer in ARs and MHs is sufficient to achieve the seamless stream handoff most of the time, subject to fairly relaxed constraints of  ...  This paper studies the buffer control issues that are related to supporting a seamless stream handoff in a WLAN environment that employs simulcast streaming.  ...  In a video-on-demand system, a video is packetized into a stream of UDP packets, denoted by = {1, 2, 3, . . . , N }, with a regular packet size of p and delivered by a video server at a constant packet  ... 
doi:10.1109/twc.2008.060477 fatcat:our7kvhpvzevnadhdks3om25fm

Intelligent Seamless Vertical Handoff Algorithm for the next generation wireless networks

Jiping Lv, Yuanchen Ma, Satoshi Yoshizawa
2008 Proceedings of the 1st International ICST Conference on Mobile Wireless Middleware, Operating Systems and Applications  
In such environment, it is a critical problem to enable a mobile node to intelligently select wireless access networks and achieve seamless handoff performance.  ...  This paper proposes a vertical handoff algorithm which enables a mobile node to intelligently select wireless access network among multiple access technologies, synthetically considering network characteristics  ...  Both clients run Video Telephone (VT) application to verify whether the vertical handoff system is able to provide seamless handoff service for real-time application.  ... 
doi:10.4108/icst.mobilware2008.2553 dblp:conf/mobilware/LvMY08 fatcat:4stq5yre7rftjk56klzqir2u3m

Reducing Vertical Handover Latency in IP-Based Networks

Ishtiaq Wahid, Ata ul Aziz Ikram, Aftab Alam
2013 Journal of clean energy technologies  
Further, the suggested model ensures unique Care off Address (CoA) for a mobile node, hence eliminates the Duplicate Address Detection time (DAD), which is one of the major contributors for latency in  ...  Mobility management with low latency and packet loss is a big challenge in inter technologies communication. In this study an optimized vertical handover scheme based on Hash function is proposed.  ...  The third-generation (3G) systems are planned to support integrated services, such as audio, video, video conferencing and high-speed Internet connection, with the demand for real time applications.  ... 
doi:10.7763/ijcte.2013.v5.726 fatcat:mybrq7b4ebfqlnnu3molx52cjq

Cross-layer optimized multipath video streaming over heterogeneous wireless networks

Oh Chan Kwon, Hwangjun Song
2013 2013 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference  
The proposed system uses multiple paths over wireless mobile networks in order to satisfy the quality-of-service requirements for seamless high-quality video streaming services and adopts fountain codes  ...  In this work, we propose a cross-layer optimized multipath video streaming system over heterogeneous wireless networks.  ...  In addition, seamless video streaming service is possible without a vertical handoff time. Fig. 1 1 An example of fountain codes III.  ... 
doi:10.1109/apsipa.2013.6694228 dblp:conf/apsipa/KwonS13 fatcat:hlcsvigsazgyxpnzq63frbcfhu

Vertical handover supporting pervasive computing in future wireless networks

S. Balasubramaniam, J. Indulska
2004 Computer Communications  
This paper proposes a vertical handover mechanism suitable for multimedia applications in pervasive systems.  ...  Such seamless communication environments are needed for future pervasive/ubiquitous systems.  ...  The upcoming 3G UMTS (Universal Mobile Telecommunication System) network is an enhancement to the GPRS network and provides users with multimedia streaming capabilities (e.g. video on demand, video conferencing  ... 
doi:10.1016/j.comcom.2003.10.010 fatcat:shie6w5sf5dmrfwfb37p6qk5li

QoS aware fuzzy rule based vertical handoff decision algorithm for wireless heterogeneous networks

K. Vasu, Sumit Maheshwari, Sudipta Mahapatra, C. S. Kumar
2011 2011 National Conference on Communications (NCC)  
Increasing demands of ubiquitous services in wireless networks and evolution towards heterogeneous solutions has driven the necessity of developing efficient QoS aware vertical handoff (handoff between  ...  Simulation results show that compared to other vertical handoff algorithms, the proposed algorithm gives better performance for different traffic classes.  ...  INTRODUCTION Next Generation heterogeneous networks require seamless mobility among the different access networks while maintaining the Quality of Service (QoS) for applications like high-speed data services  ... 
doi:10.1109/ncc.2011.5734768 fatcat:fxp6cwdlibb2poq5ewk4el2u5y

Network support for mobile multimedia using a self-adaptive distributed proxy

Zhuoqing Morley Mao, Hoi-sheung Wilson So, Byunghoon Kang
2001 Proceedings of the 11th international workshop on Network and operating systems support for digital audio and video - NOSSDAV '01  
Recent advancements in video and audio codec technologies (e.g., RealVideo [18]) make multimedia streaming possible across a wide range of network conditions.  ...  In this paper, we present the design, implementation, and evaluation of our system in the context of streaming video playback involving a series of transcoding proxies and a mobile client.  ...  Furthermore, multimedia services such as video-on-demand and video conferencing are rapidly gaining popularity.  ... 
doi:10.1145/378344.378360 dblp:conf/nossdav/MaoSK01 fatcat:4lgcrpks2jfwperukn6oytk66e
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