ESTIMATION OF FREQUENCY OFFSET BETWEEN A BASE STATION AND MOBILE TERMINAL
摘要
A method and apparatus for frequency offset estimation exploits the differences in reference symbol timing for different channels to resolve ambiguities in the frequency offset estimation. Based on the initial frequency offset estimates, a hypothesis table is constructed providing hypothesized frequency offsets for each channel for a plurality of possible offset regions. An error metric for each offset region is calculated based on the difference of the hypothesized frequency offsets. The set of hypothesized frequency offsets that minimize the error metric is selected as the final frequency offset estimates.
申请公布号
EP2727425(A1)
申请公布日期
2014.05.07
申请号
EP20120750810
申请日期
2012.06.27
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
MAURITZ, OSKAR;LU, GUOQIANG;HUSS, FREDRIK;BACK, HENRIK