US 11,877,325 B2
Base station apparatus, terminal apparatus, and control methods for the same for cellular communication network in which relay communication is performed
Hiroki Takeda, Tokyo (JP); Xiao Shao, Tokyo (JP); Yasutomo Miyake, Tokyo (JP); and Shingo Watanabe, Tokyo (JP)
Assigned to KDDI CORPORATION, Tokyo (JP)
Filed by KDDI CORPORATION, Tokyo (JP)
Filed on Aug. 18, 2020, as Appl. No. 16/995,920.
Application 16/995,920 is a continuation of application No. PCT/JP2019/005380, filed on Feb. 14, 2019.
Claims priority of application No. 2018-029466 (JP), filed on Feb. 22, 2018; and application No. 2018-054512 (JP), filed on Mar. 22, 2018.
Prior Publication US 2020/0383148 A1, Dec. 3, 2020
Int. Cl. H02H 9/00 (2006.01); H04W 76/10 (2018.01); H04W 72/04 (2023.01)
CPC H04W 76/10 (2018.02) [H04W 72/04 (2013.01)] 14 Claims
OG exemplary drawing
 
6. A terminal apparatus connected to a base station apparatus via a relay apparatus, wherein the terminal apparatus is configured to
receive, from the base station apparatus, a notification signal including information generated based on a first period in which a radio resource is used by the base station apparatus for a backhaul line and a second period in which the radio resource is not used by the backhaul line, and
request a connection of an access line to the base station apparatus in the second period provided by the base station,
wherein the base station apparatus is configured to;
establish a wireless link for the backhaul line with the relay apparatus,
provide, by the base station apparatus, the first period and the second period, and
transmit, to the terminal apparatus and the relay apparatus, the notification signal.