Call admission control method and apparatus for cellular systems
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United States of America Patent
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Sep 13, 2005
Grant Date -
N/A
app pub date -
Aug 26, 1999
filing date -
Aug 26, 1999
priority date (Note) -
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Abstract
An improved call admission control method and apparatus is provided in which a MAC (or equivalent) layer parameter such as the FER (frame error rate) is used as a basis for call admission control. An estimate of a FER which would result should a requested session be admitted is made, and on the basis of this estimate, the session is either admitted or denied access. The estimate is made by combining a previous FER with a degradation which is expected should the session be admitted. The degradation is either determined experimentally, or can be updated in real time to reflect actual traffic patterns.
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