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This paper proposes a battery life time extension method which maximizes the efficiency of a battery by monitoring the available capacity of smartphone battery and by controlling the time interval for the transmission signalling of SNS application. The proposed method extends the battery life time by operating on saving mode which delays the process of sending background traffic if the battery capacity...
Communication jamming devices have been adopted in different places where ringing of cell phone is not allowed or security is important. Our proposed mechanism that can be deployed to block the unauthorized mobile station (UMS) for ensuring security, requires a picocell base transceiver station (PBTS) instead of communication jamming device and a simple algorithm which is stored in visitor location...
In ubiquitous network environment, mobility is supported among various networks. When a user enjoying the media streaming service changes his attachment point, the service needs to be provided continuously. We propose a mechanism to provide seamless mobility for a user using RFID tag. We build a test bed for user mobility, and confirm that the seamless service can be provided according to the user...
We propose a network-based global mobility mechanism between the IP based access networks. And this mechanism improves the global mobility problem of the existing MIPv6. Moreover, the handover latency time can be reduced through the using label switched path (LSP) of multi protocol label switching (MPLS) setup.
We propose an integrated authentication and mobility management scheme for fast handover in NGN, and verify that the proposed scheme has lower latency time than the existing one through the integration of authentication and mobility management for handover signaling.
In this paper, we propose an information sharing algorithm to support service mobility in home network for user's convenience. The proposed algorithm creates a text file with information for service request in a personal mobile terminal. The home media terminal supports the service mobility by sharing this information file and re-requesting the service, when it connects to s personal mobile terminal...
This paper proposes adaptive network access mechanism to support multi-interfaced terminal over heterogeneous wireless networks. Mobile devices equipped with multi mode interfaces perform an access request based on information of available access networks with cost function. The proposed cost function adopts the minimum required bandwidth and signal to interference plus noise ratio (SINR). In order...
In the ubiquitous network environment, the home network should be able to support seamless service mobility with fast signal processing before transporting data stream for providing multimedia services. In this paper, we propose a proxy-based multimedia signaling scheme using real time streaming protocol (RTSP) in order to support fast signaling in the home network. Implementation on test bed shows...
Mobile user's needs for seamless services are currently increasing. Users change their location by moving and use services. At this time, if a new target cell does not have sufficient resource for the service, the service can not be continuous. For solving this problem, we propose a seamless service support scheme to improve service continuity. The proposed scheme increases handover feasibility by...
Overlay multicast delivery mechanism is a new approach in which multicast functionality is implemented over application layer. However, existing overlay multicast protocols are not standardized and many restrictions occur in wireless environment. This paper addresses design and implementation of relayed multicast control protocol for 1-to-n multicast for mobile environment.
There are many authentication mechanisms and authentication parameters. In the BcN (broadband convergence network), there is a strong requirement of unified authentication. Therefore, we propose a new authentication scheme especially for the BcN. The proposed scheme supports the authentication of a mobile node before the mobile node moves to a new access network. For this, an AAA core-broker is positioned...
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