Abstract
Handover is a very critical parameter in Cellular Networks. The outage handover time is a drawback for Quality of Service in wireless voice applications and heterogeneous cellular wireless networks. Apart from existing handover technique, a novel approach has been developed known as Network Assisted Handover improving the outage handover time and the fluctuations of data throughput.
Highlights
Intersystem hard handover in heterogeneous detection of lost connection were investigated, like networks, especially towards the generation all IP double casting of the packets from the old and new base station (BS) cellular solutions where transparent to the end user or bi-casting using FEC
For time period tC-tD = TU the MS makes an access in the new cell and sends a cell update to the core network reasons
4316.25 was supposed to start a session with the WLAN network, downloading a compressed file of 100 Mbytes from a local laboratory web server connected to the emulated GPRS router, all traffic was forced to pass though the emulator
Summary
Network Assisted Handover (NAH) is a feature that allows the network switch, controlling the cell, to assist the heterogeneous handover while in packet data transfer mode. The service handover outage time for a MT supporting NAH down to 0.3 seconds in packet transfer mode while performing a loose architecture intra-switch heterogeneous handover. The improvement is possible as the MT immediately performs access in the new cell after a cell reselection and enter packet transfer mode without waiting to acquire the complete set of system information in TR time period. TP in most of the cases is the least and TU depends on the core network architecture, a parameter to be optimised
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