Patent ID: 8780942
Filing Date: 2014-07-15
Classification: H04L,H04W

Abstract:
1. A communication device communicating with a communication partner device, said communication device comprising: a reception section for receiving a known signal that is continuously and repeatedly transmitted from said communication partner device during a plurality of continuous partner's unit time periods specified based on a timing in said communication partner device; a correlation calculation section for calculating correlation between a signal received by said reception section and said known signal in each of at least two unit time periods in a plurality of own unit time periods specified based on a timing in said communication device and corresponding to said plurality of partner's unit time periods and subsequent one own unit time period that follows said plurality of own unit time periods, said at least two unit time periods including either one of a leading unit time period and a last unit time period and also including one of said plurality of own unit time periods other than said leading unit time period; and a delay amount acquisition section for obtaining, based on a result of the calculation in said correlation calculation section, a delay amount of a timing of receiving the signal from said communication partner device.