Virtual Routing Model and PI Rate Control Algorithm in High-Band Width Wireless LAN

Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Mobility
Format: PDF
Transmission accuracy of traditional Transmission Control Protocol (TCP) in high-bandwidth wireless network is low and its efficiency is low. For these problems, the paper proposes a virtual router model from the perspective of end-to-end, and on this basis of using the classical control theory, the paper proposes an end-to-end PI rate control algorithm SPI RCP on the transmitter. According to the RTT information collected by the transmitter, the real-time queue length of virtual router is calculated and by using the PI control theory the transmission rate of the transmitter is calculated to make the queue length of the bottleneck node is stabilized at a target location at the same time to avoid the wrong adjust of congestion windows caused by wireless link packet loss.

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