Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mikihiro Ouchi0
Tomohiro Kimura0
Yutaka Murakami0
Date of Patent
August 14, 2018
0Patent Application Number
152027660
Date Filed
July 6, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A transmission method for simultaneously transmitting a first modulated signal and a second modulated signal at the same frequency includes performing precoding on both signals using a fixed precoding matrix and regularly changing the phase of at least one of the signals. In this method, the power ratio between a plurality of signals transmitted from a plurality of antennas at the same frequency and at the same time differs from the power ratio between a plurality of pilot signals transmitted from the plurality of antennas at the same frequency and at the same time, whereby the accuracy of channel estimation by a reception device is improved.
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