IP Library › Granted Patent US 12,200,719
Granted Patent B2
US 12,200,719 · App. 17/528,304 · Granted Jan 14, 2025

Communication device and communication system

Inventors: Yoshiaki Ohta (Yokohama, JP); Yoshihiro Kawasaki (Kawasaki, JP); Nobuhisa Aoki (Kawasaki, JP)
Assignee: FUJITSU LIMITED
H04W72/23
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Quick Facts
Patent No.
US 12,200,719
App. No.
17/528,304
Granted
Jan 14, 2025
Kind
B2
Abstract

A communication device performing wireless communication with a plurality of partner communication devices, the communication device includes a communicator and a controller. The communicator configured to perform communication with a network to which the communication device is connected and a partner communication device included in the plurality of communication devices. The controller configured to cause the plurality of partner communication devices to perform uplink data communication when receiving, from the network, a control signal requesting the uplink data communication with the partner communication devices, which includes information regarding requested uplink data.

Claims (26)

1. A communication device performing wireless communication with a plurality of partner communication devices, the communication device comprising:

a communicator configured to perform communication with a network to which the communication device is connected and a partner communication device included in the plurality of partner communication devices; and

controller circuitry configured to:

when the communicator receives, from the network, a control signal that requests uplink data communication with the plurality of partner communication devices, and that includes identifier information identifying a network slice regarding requested uplink data,

cause a first partner communication device among the plurality of partner communication devices to perform uplink data communication, the network slice indicated by the identifier information being accepted for the first partner communication device,

wherein the communication device simultaneously transmits the control signal to the plurality of partner communication devices.

2. The communication device according to claim 1 , wherein

the controller circuitry is further configured to control the wireless communication for the uplink data communication in response to the request.

3. The communication device according to claim 1 , wherein

when Paging or downlink (DL) non access stratum (NAS) TRANSPORT as the control signal is received, the controller circuitry is further configured to causes the plurality of partner communication devices to perform the uplink data communication.

4. The communication device according to claim 1 , wherein

the controller circuitry is further configured to, when the communicator receives, from the network, the control signal,

transmit the control signal to the plurality of partner communication devices, the transmitted control signal being associated with a physical downlink control channel (PDCCH) within which a cyclic redundancy check (CRC) is masked with an identifier.

5. A communication device configured to perform wireless communication with a partner communication device, the communication device comprising:

a communicator configured to perform the wireless communication with the partner communication device, the partner communication device connected to a network, and the partner communication device is connected to one or more other communication devices; and

controller circuitry configured to:

when the communicator receives substantially simultaneously with the one or more other communication devices, from the partner communication device, a control signal that requests uplink data communication, and that includes identifier information identifying a network slice regarding requested uplink data, whereby the partner communication device received the control signal that includes the identifier information from the network,

perform uplink data communication with the partner communication device, for which the network slice indicated by the identifier information is accepted.

6. A communication system comprising:

a plurality of partner communication devices; and

a communication device configured to perform wireless communication with the plurality of partner communication devices, wherein

the communication device includes:

a communicator configured to perform communication with a network to which the communication device is connected and the plurality of partner communication devices; and

controller circuitry configured to:

when the communicator receives, from the network, a control signal that requests uplink data communication with the plurality of partner communication devices, and that includes identifier information identifying a network slice regarding requested uplink data,

cause a first partner communication device among the plurality of partner communication devices to perform uplink data communication, the network slice indicated by the identifier information being accepted for the first partner communication device, wherein the communication device simultaneously transmits the control signal to the plurality of partner communication devices.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 13, 2025
From: FUJITSU LIMITED
To: 1FINITY INC.
Reel/Frame 072436/0269 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 17, 2021
From: OHTA, YOSHIAKI; KAWASAKI, YOSHIHIRO; AOKI, NOBUHISA
To: FUJITSU LIMITED
Reel/Frame 058135/0834 →
Continuity (2)
Continuation PCTJP2019022949 · Jun 10, 2019
Related Publication 20220078773A1 · Mar 10, 2022
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