TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
H04B-010/2575
H04B-010/50
H04L-012/18
H04B-010/27
출원번호
US-0501170
(2014-09-30)
공개번호
US-0098702
(2015-04-09)
우선권정보
JP-2013-208451 (2013-10-03)
발명자
/ 주소
TOGO, Toshihiro
NAITO, Kanji
TAKEGUCHI, Koji
NAKASHIMA, Mineshi
출원인 / 주소
FUJITSU LIMITED
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
A transmission device that is coupled to a mesh network includes a memory, and a processor coupled to the memory, configured to detect an another transmission device in the mesh network, which receives a first data signal that is same as a second data signal requested to the transmission device, and
A transmission device that is coupled to a mesh network includes a memory, and a processor coupled to the memory, configured to detect an another transmission device in the mesh network, which receives a first data signal that is same as a second data signal requested to the transmission device, and branch the first data signal to the transmission device from the detected another transmission device.
대표청구항▼
1. A transmission device that is coupled to a mesh network comprising: a memory; anda processor coupled to the memory, configured todetect an another transmission device in the mesh network, which receives a first data signal that is same as a second data signal requested to the transmission device,
1. A transmission device that is coupled to a mesh network comprising: a memory; anda processor coupled to the memory, configured todetect an another transmission device in the mesh network, which receives a first data signal that is same as a second data signal requested to the transmission device, andbranch the first data signal to the transmission device from the detected another transmission device. 2. The transmission device according to claim 1, wherein the processor is configured to transmit a request signal that includes signal identification information that is used to identify the second data signal requested to the transmission device, to the another transmission device in the mesh network, and detect the another transmission device that receives the first data signal that is same as the second data signal requested to the transmission device by receiving a response signal for the request signal from the another transmission device. 3. The transmission device according to claim 2, wherein the processor is configured to cause the first data signal of the another transmission device that transmits the response signal that is received at an earliest timing, from among response signals that are received from a plurality of other transmission devices, to branch to the transmission device. 4. The transmission device according to claim 1, wherein the memory is configured to store device identification information that is used to identify the another transmission device that receives the first data signal that is same as the second data signal requested to the transmission device, andthe processor is configured to detect the another transmission device that receives the data signal that is identical to the data signal requested to the transmission device, based on the device identification information. 5. The transmission device according to claim 4, wherein the memory is configured to store the device identification information in which transmission devices are associated with respective priority levels, andthe processor is configured to detect a third transmission device the priority level of which is low as compared with the priority level of the detected another transmission device, based on the device identification information when the another transmission device that is detected based on the device identification information does not cause the data signal to branch to the transmission device. 6. A transmission system comprising: a plurality of transmission devices that is coupled to a mesh network, whereinat least one of the plurality of transmission devices detects the another transmission device in the mesh network, which receives a first data signal that is same as a second data signal requested to the transmission system, and transmits the first data signal to branch to the transmission device from the detected another transmission device; andthe another transmission device transmits the received first data signal to branch to the at least one of the plurality of transmission devices when the another transmission device is detected by the at least one of the plurality of transmission devices. 7. The transmission system according to claim 6, wherein the at least one of the plurality of transmission devices transmits a request signal that includes signal identification information that is used to identify the second data signal requested to the transmission device, to the another transmission device, and detects the another transmission device that receives the first data signal that is same as the second data signal requested to the transmission device by receiving a response signal for the request signal from the another transmission device, andthe another transmission device searches for signal identification information that corresponds to the signal identification information included in the request signal, from among pieces of signal identification information that are used to identify the second data signal received by the transmission device, and transmits the response signal to the at least one of the plurality of transmission devices when signal identification information that corresponds to the signal identification information included in the request signal is found. 8. The transmission system according to claim 7, wherein when signal identification information that corresponds to the signal identification information included in the request signal is not found, the another transmission device forwards the request signal to one or more another transmission devices. 9. The transmission system according to claim 7, wherein the at least one of the plurality of transmission devices transmits the first data signal of the another transmission device that transmits a response signal that is received at an earliest timing, from among the response signals that are received from the plurality of another transmission devices to branch to the transmission device. 10. The transmission system according to claim 6, wherein the at least one of the plurality of transmission devices stores device identification information that is used to identify the another transmission device that receives the first data signal that is same as the second data signal requested to the transmission device, and detects the another transmission device that receives the first data signal that is same as the second data signal requested to the transmission device, based on the device identification information. 11. The transmission system according to claim 10, wherein the at least one of the plurality of transmission devices stores the device identification information in which transmission devices are associated with respective priority levels, and further detects a transmission device the priority level of which is low as compared with the priority level of the detected another transmission device, based on the device identification information when the another transmission device that is detected based on the device identification information does not cause the first data signal to branch to the transmission device. 12. A transmission method comprising: detecting a transmission device in a mesh network, which receives a first data signal that is same as a second data signal requested to one of a plurality of transmission devices that is coupled to the mesh network; andcausing the first data signal to branch to the one of the plurality of transmission devices from the detected another transmission device. 13. The transmission method according to claim 12, wherein a request signal that includes signal identification information that is used to identify the second data signal requested to the one of the plurality of transmission devices is transmitted to the another transmission device in the mesh network, andthe another transmission device that receives the first data signal that is same as the requested second data signal is detected by receiving a response signal for the request signal from the another transmission device. 14. The transmission method according to claim 13, wherein the first data signal of the another transmission device that transmits a response signal that is received at an earliest timing, from among response signals that are received from a plurality of another transmission devices is caused to branch to the one of the plurality of transmission devices. 15. The transmission method according to claim 12, wherein based on device identification information that is used to identify the another transmission device that receives the first data signal that is same as the second data signal requested to the one of the plurality of transmission devices, the another transmission device that receives the first data signal that is same as the second data signal requested to the one of the plurality of transmission devices is detected. 16. The transmission method according to claim 15, wherein the device identification information is information in which the transmission devices are associated with respective priority levels, anda transmission device the priority level of which is low as compared with the priority level of the detected another transmission device is further detected based on the device identification information when the another transmission device that is detected based on the device identification information does not cause the data signal to branch to the one of the plurality of transmission devices.
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