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US 10,834,646 B2Granted
Communication device and communication method
AssigneeSony Corporation
InventorsHiromasa Uchiyama, Kazuyuki Shimezawa, Naoki Kusashima
Life of this patent
Estimating the term…
Abstract
[Object] To realize handover in relay communication using a relay terminal in a more satisfactory manner. [Solution] A communication device including: a communication unit configured to perform wireless communication; and a control unit configured to acquire information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is configured to be movable, between a remote terminal and a base station, and to switch the radio link to be used in communication between the remote terminal and the base station on the basis of the acquired information regarding the communication quality.
Claims24
A communication device comprising circuitry configured to:
- perform wireless communication;
- acquire information regarding a communication quality of one or more radio links including at least one of a direct first radio link, or a second radio link via a relay terminal, which is movable, between a remote terminal and a base station, information regarding the communication quality of the second radio link includes information regarding a communication quality of a third radio link between the remote terminal and the relay terminal;
- acquire information regarding the communication quality of the third radio link in accordance with an estimation result of the communication quality based on a first threshold value for evaluating whether or not the communication quality reaches a predetermined level, a second threshold value for evaluating whether or not the communication quality no longer reaches a predetermined level, and a measurement result regarding the communication quality of the third radio link;
- and
- switch the radio link to be used in communication between the remote terminal and the base station on a basis of the acquired information regarding the communication quality.
2 more elements
A communication device comprising circuitry configured to:
- perform wireless communication;
- acquire information regarding a communication quality of at least one of a direct first radio link or a second radio link via a relay terminal, which is movable, between a remote terminal and a base station, information regarding the communication quality of the second radio link includes information regarding a communication quality of a third radio link between the remote terminal and the relay terminal;
- acquire information regarding the communication quality of the third radio link in accordance with an estimation result of the communication quality based on a first threshold value for evaluating whether or not the communication quality reaches a predetermined level, a second threshold value for evaluating whether or not the communication quality no longer reaches a predetermined level, and a measurement result regarding the communication quality of the third radio link;
- and
- directly or indirectly notify an external device that switches the radio link to be used in communication between the remote terminal and the base station of the acquired information regarding the communication quality.
2 more elements
A communication device comprising circuitry configured to:
- perform wireless communication;
- allocate a resource for communication between a first relay terminal and a second relay terminal in a case in which, on a basis of information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is movable, between a remote terminal and a base station, information regarding the communication quality of the second radio link includes information regarding a communication quality of a third radio link between the remote terminal and the relay terminal;
- acquire information regarding the communication quality of the third radio link in accordance with an estimation result of the communication quality based on a first threshold value for evaluating whether or not the communication quality reaches a predetermined level, a second threshold value for evaluating whether or not the communication quality no longer reaches a predetermined level, and a measurement result regarding the communication quality of the third radio link;
- and
- decide that the radio link to be used in communication between the remote terminal and the base station is to be switched from the second radio link via the first relay terminal to the second radio link via the second relay terminal.
2 more elements
A communication method comprising:
- performing wireless communication;
- acquiring, by a computer, information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is movable, between a remote terminal and a base station via wireless communication, information regarding the communication quality of the second radio link includes information regarding a communication quality of a third radio link between the remote terminal and the relay terminal;
- acquiring, by a computer, information regarding the communication quality of the third radio link in accordance with an estimation result of the communication quality based on a first threshold value for evaluating whether or not the communication quality reaches a predetermined level, a second threshold value for evaluating whether or not the communication quality no longer reaches a predetermined level, and a measurement result regarding the communication quality of the third radio link;
- and
- switching the radio link to be used in communication between the remote terminal and the base station on a basis of the acquired information regarding the communication quality.
2 more elements
A communication method comprising:
- performing wireless communication;
- acquiring, by a computer, information regarding a communication quality of at least one of a direct first radio link or a second radio link via a relay terminal, which is movable, between a remote terminal and a base station via wireless communication, information regarding the communication quality of the second radio link includes information regarding a communication quality of a third radio link between the remote terminal and the relay terminal;
- acquiring, by a computer, information regarding the communication quality of the third radio link in accordance with an estimation result of the communication quality based on a first threshold value for evaluating whether or not the communication quality reaches a predetermined level, a second threshold value for evaluating whether or not the communication quality no longer reaches a predetermined level, and a measurement result regarding the communication quality of the third radio link;
- and
- directly or indirectly notifying an external device that switches the radio link to be used in communication between the remote terminal and the base station of the acquired information regarding the communication quality.
2 more elements
A communication method comprising:
- performing wireless communication;
- allocating, by a computer, a resource for communication between a first relay terminal and a second relay terminal in a case in which, on a basis of information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is movable, between a remote terminal and a base station, information regarding the communication quality of the second radio link includes information regarding a communication quality of a third radio link between the remote terminal and the relay terminal, information regarding the communication quality of the third radio link in accordance with an estimation result of the communication quality based on a first threshold value for evaluating whether or not the communication quality reaches a predetermined level, a second threshold value for evaluating whether or not the communication quality no longer reaches a predetermined level, and a measurement result regarding the communication quality of the third radio link;
- and
- deciding that the radio link to be used in communication between the remote terminal and the base station is to be switched from the second radio link via the first relay terminal to the second radio link via the second relay terminal.
1 more element
Dependencies are inferred from the claim text.