COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM
First Claim
Patent Images
1. A communication device comprising:
- a streaming packet transmission unit for transmitting a streaming packet;
a control information acquisition unit for acquiring control information regarding the streaming packet;
a control packet transmission unit for transmitting a control packet including the control information;
a control information addition unit for adding the control information to the streaming packet; and
a transmission channel selection unit for selecting, according to a predetermined condition, whether to transmit the control packet including the control information or to transmit the streaming packet to which the control information has been added.
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Abstract
Provided is a communication device including a streaming packet transmission unit for transmitting a streaming packet, a control information acquisition unit for acquiring control information regarding the streaming packet, a control packet transmission unit for transmitting a control packet including the control information, a control information addition unit for adding the control information to the streaming packet, and a transmission channel selection unit for selecting, according to a predetermined condition, whether to transmit the control packet including the control information or to transmit the streaming packet to which the control information has been added.
24 Citations
12 Claims
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1. A communication device comprising:
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a streaming packet transmission unit for transmitting a streaming packet; a control information acquisition unit for acquiring control information regarding the streaming packet; a control packet transmission unit for transmitting a control packet including the control information; a control information addition unit for adding the control information to the streaming packet; and a transmission channel selection unit for selecting, according to a predetermined condition, whether to transmit the control packet including the control information or to transmit the streaming packet to which the control information has been added. - View Dependent Claims (2, 3, 4, 5)
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6. A communication device comprising:
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a streaming packet reception unit for receiving a streaming packet and control information, regarding the streaming packet, added to the streaming packet; a control packet reception unit for receiving a control packet including the control information regarding the streaming packet; a control information acquisition unit for acquiring the control information from the streaming packet or the control packet; and a control unit for controlling information of the streaming packet based on the control information. - View Dependent Claims (7)
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8. A communication device comprising:
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a streaming packet reception unit for receiving a streaming packet; a reception acknowledgement information transmission unit for transmitting a reception acknowledgement information when the streaming packet is received; a control information acquisition unit for acquiring control information regarding the streaming packet; a control packet transmission unit for transmitting a control packet including the control information; a control information addition unit for adding the control information to the reception acknowledgement information; and a transmission channel selection unit for selecting, according to a predetermined condition, whether to transmit the control packet including the control information or to transmit the reception acknowledgement information to which the control information has been added. - View Dependent Claims (9)
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10. A communication device comprising:
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a streaming packet transmission unit for transmitting a streaming packet; a control packet reception unit for receiving a control packet including control information regarding the streaming packet; a reception acknowledgement information reception unit for receiving reception acknowledgement information for the streaming packet and the control information, regarding the streaming packet, added to the reception acknowledgement information; a control information acquisition unit for acquiring the control information from the reception acknowledgement information or the control packet; and a control unit for controlling information of the streaming packet based on the control information.
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11. A communication system comprising:
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a first communication device including a streaming packet transmission unit for transmitting a streaming packet, a control information acquisition unit for acquiring control information regarding the streaming packet, a control packet transmission unit for transmitting a control packet including the control information, a control information addition unit for adding the streaming packet to the control information, and a transmission channel selection unit for selecting, according to a predetermined condition, whether to transmit the control packet including the control information or to transmit the streaming packet to which the control information has been added; and a second communication device including a streaming packet reception unit for receiving the streaming packet, a control packet reception unit for receiving the control packet, a control information acquisition unit for acquiring the control information from the streaming packet or the control packet, and a control unit for controlling information of the streaming packet based on the control information.
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12. A communication system comprising:
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a first communication device including a streaming packet reception unit for receiving a streaming packet, a reception acknowledgement information transmission unit for transmitting reception acknowledgement information when the streaming packet is received, a control information acquisition unit for acquiring control information regarding the streaming packet, a control packet transmission unit for transmitting a control packet including the control information, a control information addition unit for adding the control information to the reception acknowledgement information, and a transmission channel selection unit for selecting, according to a predetermined condition, whether to transmit the control packet including the control information or to transmit the reception acknowledgement information to which the control information has been added; and a second communication device including a streaming packet transmission unit for transmitting the streaming packet, a control packet reception unit for receiving the control packet, a reception acknowledgement information reception unit for receiving the reception acknowledgement information for the streaming packet and the control information, regarding the streaming packet, added to the reception acknowledgement information, a control information acquisition unit for acquiring the control information from the reception acknowledgement information or the control packet, and a control unit for controlling information of the streaming packet based on the control information.
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Specification