Method of Providing a Hard Handoff Between Mscs During an Alerting State
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United States of America Patent
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Issued Date -
Nov 29, 2007
app pub date -
May 28, 2004
filing date -
May 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of providing a hard handoff between Mobile Switching Centers (MSCs) during an alerting state. A Base Station Controller (BSC) requests a handoff to an MSC in case a Mobile Station (MS) transmits a Pilot Strength Measurement Message (PSMM) during an alerting state and a condition for a hard handoff between MSCs is satisfied. Otherwise, if a hard handoff request message is transmitted from the MSC, a conventional handoff operation is performed in a target BSC. After the alerting state, a connection order from the MS or a connection message from the MSC is processed. Therefore, the possibility that the hard handoff will succeed increases and the mobility of the MS is ensured.
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