Communication device, receiving device, communication method, and communication system
First Claim
1. A communication device comprising:
- a hardware processor;
a memory comprising instructions executable by the hardware processor;
circuitry configured to;
communicate with a transmitting device and a receiving device with a communication method other than unicast;
receive communication data transmitted/received between the transmitting device and the receiving device that is a transmission target of transmission data transmitted by the transmitting device by unicast;
determine whether data to be used for a process by the communication device is included in the received communication data;
process the data to be used for the process by the communication device when the circuitry determines the data to be used for the process by the communication device is included in the received communication data; and
prevent the communication device from responding to the transmitting device, and not relay the communication data received from the transmitting device to the receiving device, when the circuitry determines the data to be used for the process by the communication device is included in the received communication data,wherein the receiving device is arranged at a first position where a frequency of occurrence of errors in the communication between the transmitting device and the receiving device is equal to or greater than a predetermined threshold,wherein the communication device is arranged at a second position where the frequency of occurrence of errors in the communication between the transmitting device and the communication device is less than the predetermined threshold,wherein the second position of the communication device indicates where a communication environment between the transmitting device and the communication device is better than a communication environment between the transmitting device and the receiving device.
1 Assignment
0 Petitions
Accused Products
Abstract
A communication device including circuitry configured to receive communication data transmitted/received between a transmitting device and a receiving device that is a transmission target of transmission data transmitted by the transmitting device by unicast, to determine whether data to be used for a process by the communication device is included in the received communication data, and to process the data to be used for the process by the communication device when the circuitry determines the data to be used for the process by the communication device is included in the received communication data. The circuitry is also configured to prevent the communication device from responding to the transmitting device, and to not relay the communication data received from the transmitting device to the receiving device, when the circuitry determines the data to be used for the process is included in the received communication data.
22 Citations
11 Claims
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1. A communication device comprising:
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a hardware processor; a memory comprising instructions executable by the hardware processor; circuitry configured to; communicate with a transmitting device and a receiving device with a communication method other than unicast; receive communication data transmitted/received between the transmitting device and the receiving device that is a transmission target of transmission data transmitted by the transmitting device by unicast; determine whether data to be used for a process by the communication device is included in the received communication data; process the data to be used for the process by the communication device when the circuitry determines the data to be used for the process by the communication device is included in the received communication data; and prevent the communication device from responding to the transmitting device, and not relay the communication data received from the transmitting device to the receiving device, when the circuitry determines the data to be used for the process by the communication device is included in the received communication data, wherein the receiving device is arranged at a first position where a frequency of occurrence of errors in the communication between the transmitting device and the receiving device is equal to or greater than a predetermined threshold, wherein the communication device is arranged at a second position where the frequency of occurrence of errors in the communication between the transmitting device and the communication device is less than the predetermined threshold, wherein the second position of the communication device indicates where a communication environment between the transmitting device and the communication device is better than a communication environment between the transmitting device and the receiving device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A communication method of a communication device, the communication method comprising:
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communicating with a transmitting device and a receiving device with a method other than unicast communication; receiving, at the communication device, communication data transmitted/received between the transmitting device and the receiving device that is a transmission target or transmission data transmitted by the transmitting device by unicast; determining whether data to be used for a process by the communication device is included in the received communication data; processing the data to be used for the process by the communication device when the communication device determines the data to be used for the process by the communication device is included in the received communication data; and preventing the communication device from responding to the transmitting device, and not relaying the communication data received from the transmitting device to the receiving device, when the communication device determines the data to be used for the process by the communication device is included in the received communication data, wherein the receiving device is arranged at a first position where a frequency of errors in the communication between the transmitting device and the receiving device is equal to or greater than a predetermined threshold, wherein the communication device is arranged at a second position where the frequency of occurrence of errors in the communication between the transmitting device and the communication device is less than the predetermined threshold wherein the second position of the communication device indicates where a communication environment between the transmitting device and the communication device is better than a communication environment between the transmitting device and the receiving device.
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11. A communication system comprising:
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a transmitting device; a receiving device that is a transmission target of transmission data transmitted by the transmitting device by unicast; and one or more communication devices configured to receive communication data transmitted/received between the transmitting device and the receiving device by unicast, wherein each communication device includes; circuitry configured to; communicate with the transmitting device and the receiving device with a communication method other than unicast; receive the communication data, determine whether data to be used for a process by the communication device is included in the received communication data, process the data to be used for the process by the communication device when the circuitry determines the data to be used for the process by the communication device is included in the received communication data, and prevent the communication device from responding to the transmitting device, and not relay the communication data received from the transmitting device to the receiving device, when the circuitry determines the data to be used for the process by the communication device is included in the received communication data, wherein the receiving device is arranged at a first position where a frequency of errors in the communication between the transmitting device and the receiving device is equal to or greater than a predetermined threshold, wherein the communication device is arranged at a second position where the frequency of occurrence of errors in the communication between the transmitting device and the communication device is less than the predetermined threshold wherein the second position of the communication device indicates where a communication environment between the transmitting device and the communication device is better than a communication environment between the transmitting device and the receiving device.
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Specification