Abstract
A method for establishing a cyclic shift sequence to provide against the frequency offset is disclosed. The method calculates a distance between a channel response position of the sequence and an alias channel response position caused by a frequency offset calculates the number of cyclic shifts per group according to the calculated distance and establishes the cyclic shift (CS)-applying interval. This method easily establishes a cyclic shift (CS) interval at a specific location having no overlapping by considering a channel response of a reception (Rx) sequence and an alias location of this reception (Rx) sequence although a reception (Rx) signal is shifted by a channel delay spreading or a propagation delay irrespective of categories of a domain generating a sequence so that it can greatly reduce the number of the detection errors and the false alarm rate. And if a sequence of the cyclic shift (CS) is allocated to a cell having a frequency offset of more than a predetermined level the present invention can minimize the influence of a frequency offset on a high-mobility cell.
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4G | 12/03/2009 | ISLD-200904-002 | LG | No | Family Member | ||||
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Not Available | 23/10/2012 | ISLD-201209-020 | LG | Yes | Family Member | ||||
4G | 10/10/2014 | ISLD-201409-024 | LG | Yes | Family Member | ||||
5G | 07/09/2018 | ISLD-201809-335 | QUALCOMM INC |
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Specification Information
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