Method and device for estimating ratio of average chip energy to total transmit power spectrum density
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United States of America Patent
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Nov 25, 2014
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app pub date -
Mar 16, 2012
filing date -
Mar 18, 2011
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Abstract
The present invention provides a method for estimating a ratio of average chip energy to a total transmit power spectrum density (Ec/Ior), including: according to a group of spreading codes corresponding to an acquired spreading factor, obtaining an estimated value of Ior; according to a spreading code of a physical channel to be estimated, obtaining an estimated value of Ec; and according to the estimated value of the Ior and the estimated value of the Ec, obtaining an estimated value of EC/Ior. The present invention further provides a device for estimating Ec/Ior. By adopting the method and device for estimating Ec/Ior, when a base station adjusts transmit power of each physical channel, an adjusted value of Ec/Ior can be obtained in real time for accurate estimation.
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