US 11,770,872 B2
Radio apparatus, radio communication system, and radio communication method
Tomomi Sekiguchi, Kanagawa (JP)
Assigned to JVCKENWOOD CORPORATION, Yokohama (JP)
Filed by JVCKENWOOD CORPORATION, Yokohama (JP)
Filed on Jul. 16, 2020, as Appl. No. 16/931,012.
Claims priority of application No. 2019-133391 (JP), filed on Jul. 19, 2019; and application No. 2019-133392 (JP), filed on Jul. 19, 2019.
Prior Publication US 2021/0022199 A1, Jan. 21, 2021
Int. Cl. H04W 76/25 (2018.01); G10L 17/22 (2013.01); H04L 5/16 (2006.01); H04W 76/45 (2018.01)
CPC H04W 76/25 (2018.02) [G10L 17/22 (2013.01); H04L 5/16 (2013.01); H04W 76/45 (2018.02)] 9 Claims
OG exemplary drawing
 
4. A radio communication system comprising:
a radio apparatus on a calling side, and a radio apparatus on a receiving side, wherein the radio apparatus on the calling side comprises:
a first memory storing instructions; and
a first processor configured to execute the instructions stored in the first memory to;
maintain a half-duplex session with the radio apparatus on the receiving side for a first predetermined session keeping time on the calling side when communication with the radio apparatus on the receiving side is ended;
recognize a voice to be transmitted to the radio apparatus at the receiving side in the communication; and
set a first session keeping time to a first time longer than the first predetermined session keeping time when the recognized voice contains a question, and
wherein the radio apparatus on the receiving side comprises:
a second memory storing instructions; and
a second processor configured to execute the instructions stored in the second memory to:
maintain a half-duplex session on the receiving side with the radio apparatus on the calling side for a second predetermined session keeping time on the receiving side when the communication with the radio apparatus on the calling side is ended;
recognize a voice received from the radio apparatus at the calling side in the communication; and
set a second session keeping time to a second time longer than the second predetermined session keeping time when the recognized voice contains the question.