US 12,244,371 B2
Broadcast signal transmission method, broadcast signal transmission apparatus, broadcast signal reception method, and broadcast signal reception apparatus
Yutaka Murakami, Kanagawa (JP); Tomohiro Kimura, Osaka (JP); and Mikihiro Ouchi, Osaka (JP)
Assigned to SUN PATENT TRUST, New York, NY (US)
Filed by Sun Patent Trust, New York, NY (US)
Filed on Jul. 28, 2023, as Appl. No. 18/227,580.
Application 18/227,580 is a continuation of application No. 17/733,412, filed on Apr. 29, 2022, granted, now 11,777,563.
Application 17/733,412 is a continuation of application No. 17/177,624, filed on Feb. 17, 2021, granted, now 11,356,156, issued on Jun. 7, 2022.
Application 17/177,624 is a continuation of application No. 16/871,363, filed on May 11, 2020, granted, now 11,038,565, issued on Jun. 15, 2021.
Application 16/871,363 is a continuation of application No. 16/536,628, filed on Aug. 9, 2019, granted, now 10,727,913, issued on Jul. 28, 2020.
Application 16/536,628 is a continuation of application No. 15/947,206, filed on Apr. 6, 2018, granted, now 10,419,088, issued on Sep. 17, 2019.
Application 15/947,206 is a continuation of application No. 15/008,055, filed on Jan. 27, 2016, granted, now 9,985,702, issued on May 29, 2018.
Application 15/008,055 is a continuation of application No. 13/810,783, granted, now 9,287,946, issued on Mar. 15, 2016, previously published as PCT/JP2011/006741, filed on Dec. 1, 2011.
Claims priority of application No. 2010-276457 (JP), filed on Dec. 10, 2010; application No. 2010-293114 (JP), filed on Dec. 28, 2010; application No. 2011-035085 (JP), filed on Feb. 21, 2011; application No. 2011-093543 (JP), filed on Apr. 19, 2011; application No. 2011-102098 (JP), filed on Apr. 28, 2011; and application No. 2011-140746 (JP), filed on Jun. 24, 2011.
Prior Publication US 2023/0387972 A1, Nov. 30, 2023
Int. Cl. H04B 7/0456 (2017.01); H04B 7/06 (2006.01); H04L 25/03 (2006.01); H04W 72/23 (2023.01); H04J 11/00 (2006.01); H04L 5/00 (2006.01)
CPC H04B 7/0456 (2013.01) [H04B 7/06 (2013.01); H04L 25/03898 (2013.01); H04B 7/0469 (2013.01); H04B 7/0606 (2013.01); H04B 7/0689 (2013.01); H04J 11/0033 (2013.01); H04L 5/0007 (2013.01); H04L 5/0092 (2013.01); H04W 72/23 (2023.01)] 6 Claims
OG exemplary drawing
 
1. A communication apparatus comprising:
a precoder which, in operation, applies a precoding matrix to a first modulated symbol sequence and to a second modulated symbol sequence to generate a first transmission symbol sequence and a second transmission symbol sequence, wherein the precoding matrix is selected from a first precoding matrix with a phase shift whose amount is switched periodically and a second precoding matrix without the phase shift, and wherein the amount of the phase shift is switched symbol by symbol and the phase shift is applied to one of the first modulated symbol sequence and the second modulated symbol sequence; and
a transmitter which, in operation, transmits the first transmission symbol sequence and the second transmission symbol sequence from two or more antennas.