Vertical Handoff (VHO) is a crucial mechanism for the architecture of the Fourth Generation (4G) Heterogeneous Wireless Networks (HWN), because the users of 4G-HWN are capable of switching to any network in a seamless manner. These algorithms need to be practical and true to a wide range of applications hence utilization of an application layer parameter is important to decide the handoff and a...

This paper deals with the performance analysis of two prioritized handoff schemes for mobile cellular networks in which handoff attempts finding all channels busy are queued for a maximum time. Fixed channel assignment is assumed. In the first prioritized handoff scheme considered, handoff attempts are queued according to the first-in–first-out (FIFO) policy. Conversely, the second scheme resor...

[email protected] Abstract. This paper analyses the different traffic schemes for handoff handling and call blocking attempts. As traffic in mobile cellular networks increases, Handoffs will become an increasingly important issue and as cell sizes shrink to accommodate an increasingly large demand of services, newer more efficient handoff schemes need to be used. In this paper the author anal...

The combination of Mobile IP with frequent handovers results in high handoff latencies and control overhead in the core network. Micromobility protocols like Cellular IP, Hawaii and MIPv4 Regional Registration were developed to avoid these problems, supporting local mobility within one IP domain. This paper proposes the MEHROM (Micromobility support with Efficient Handoff and Route Optimization...

Next generation high-speed cellular networks are expected to support multimedia applications, which require QoS provisions. Since frequency spectrum is the most expensive resource in wireless networks, it is a challenge to support QoS using limited frequency spectrum. In the literature, two orthogonal approaches are used to address the bandwidth utilization issue and the QoS provision issue; th...

Mobile IPv6 provides mobility support for hosts connecting to the Internet, it solves addressable problems of the mobile terminal, and the mobile terminals can obtain network services without changing IP addresses. But MIPv6 can introduce substantial network expenses and lengthy handoff delay during the mobile handover process, meanwhile, more and more delay sensitive real-time applications req...

We consider forward-link soft-handoff with multiple antenna selection and fast joint power control at high data rates in a cellular code-division multiple-access network, where signals are directed to a mobile station (MS) from antennas located at the same or different base stations. The total power transmitted to any mobile is divided among the active antennas selected according to the momenta...

In CDMA communication systems with respect to CDMA the relative area cannot be increased and always the possession call onset rate is stipulated; it’s denoted and stated that mounting, and all transferring soft handoff area space is guaranteed to extend the cell reporting detachment. CDMA with same frequency is always possible to make a new connection before parting with modern cell is called a...

Currently, to ensure seamless roam across heterogeneous wireless technologies, efficient vertical handoff algorithms are required to enhance QoS and offer reliable pervasive computing environment. This study reviews traditional and classical artificial intelligent approaches adopted for vertical handoff across heterogeneous networks. A type-2 fuzzy multi-parameter based vertical handoff decisio...

After review of literature, most of the work is done on handoff between cellular network, i.e. horizontal handoff but, few papers are on handoff between heterogeneous networks are in existence. This type of handoff called as vertical handoff can be simulated. The current problem in handoff makes the system slow and hence increases the latency in the system. In this paper a novel technique based...