US 12,075,285 B2
Wireless communication system, and wireless communication method
Shoko Shinohara, Musashino (JP); Yasuhiko Inoue, Musashino (JP); and Takafumi Hayashi, Musashino (JP)
Assigned to NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
Appl. No. 17/435,322
Filed by NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
PCT Filed Feb. 25, 2020, PCT No. PCT/JP2020/007472
§ 371(c)(1), (2) Date Aug. 31, 2021,
PCT Pub. No. WO2020/179542, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 2019-039043 (JP), filed on Mar. 4, 2019.
Prior Publication US 2022/0141712 A1, May 5, 2022
Int. Cl. H04W 28/18 (2009.01); H04B 7/0426 (2017.01); H04B 7/08 (2006.01); H04W 4/06 (2009.01); H04W 16/28 (2009.01)
CPC H04W 28/18 (2013.01) [H04B 7/043 (2013.01); H04B 7/088 (2013.01); H04W 4/06 (2013.01); H04W 16/28 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A wireless communication system comprising:
a plurality of transmission devices, each transmission device is configured to receive an input of group-addressed data transmitted from a specific source, converts the group-addressed data into wireless frames, add a predetermined source identifier unique to each piece of group-addressed data to the wireless frames, and perform group-addressed transmission of the wireless frames; and
a reception device configured to receive the wireless frames transmitted from the plurality of transmission devices and determines whether a given wireless frame has same source identifier as another wireless frame received from a different transmission device
wherein the reception device further determines whether an error is detected in the given wireless frame, and diversity combines the given wireless frame with the another wireless frame in response to detecting an error in the given wireless frame and a determination that that another wireless frame having the same source identifier has been received from a different transmission device, and deletes the given wireless frame in response to not detecting an error in the given wireless frame and a determination that that another wireless frame having the same source identifier has been received from a different transmission device.