Communication system, communication device, and communication method

• Main Authors: YAMAMOTO KAZUNORI, SUZUKI HIDEHARU
• Format: Patent
• Language: Chinese; English
• Published: 03.10.2012
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention provides a communication system, a communication device and a communication method. A first loss determination section 13 of a first communication device 10 determines that a data unit iThe invention provides a communication system, a communication device and a communication method. A first loss determination section 13 of a first communication device 10 determines that a data unit is lost if an acknowledgment response for the transmitted data unit from a second communication device 30 is not received within a predetermined time and retransmits the data unit when the determinatios lost if an acknowledgment response for the transmitted data unit from a second communication device 30 is not received within a predetermined time and retransmits the data unit when the determination is made. When a determination section 16 determines that a spurious timeout has occurred, a window control section 17 sets a target value for decreasing the size of a congestion window and then gradn is made. When a determ