Patent ID: 7822152

Claim:
A symbol timing detection method as executed in a processor upon detecting a symbol timing from a received signal composed of a packet having a preamble with periodically allocated symbols placed at a head of data, said method comprising: performing, in a correlation unit provided, processing to sequentially obtain correlation results indicating a correlation between the received signal and a fixed pattern of the preamble; performing, in a correlation peak detection unit, correlation peak detection processing to update and hold a maximum value in the correlation results; and performing, in a symbol timing determination unit, symbol timing determination processing to determine a timing of the maximum value as a symbol timing on a condition that a maximum value currently held by the correlation peak detection unit is not updated in a symbol timing determination period having a predetermined length from the timing and that a number of occurrences of a correlation result exceeding an error detection determination threshold is smaller than a predetermined number in an error detection determination period defined within the symbol timing determination period.