HANDOVER METHOD AND APPARATUS IN A WIRELESS TELECOMMUNICATIONS NETWORK
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
Dec 23, 2008
filing date -
Dec 26, 2007
priority date (Note) -
Abandoned
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Abstract
A wireless telecommunications network may include parts that operate at different packet transfer delays, so that a mobile terminal undergoing handover from one node to another experiences different delays before and after handover. An additional delay is applied during the handover process to packets sent to the mobile terminal via the node at the smaller delay so as to reduce the difference between the two delays. The additional delay may be applied at an anchor node connecting parts of the wireless network of different radio access technology types or at other parts of the network. Information regarding packet transfer delays may stored and accessed to determine the delays for nodes involved in handover and/or obtained by measurements made during a call, for example.
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