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ARTIFICIAL DELAY INFLATION AND JITTER REDUCTION TO IMPROVE TCP THROUGHPUTS
ARTIFICIAL DELAY INFLATION AND JITTER REDUCTION TO IMPROVE TCP THROUGHPUTS
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机译:人工延迟膨胀和抖动减少以改善TCP吞吐量
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摘要
A method, a system and a base-station for automatically determining delays of data transmitted via Transmission Control Protocol (TCP) and inflating these delays in order to reduce jitter and improve TCP throughput in a communications network. A Dynamic Jitter Reduction (DJR) logic/utility (110, 120) operating within a communications node (101, 108) measures (606) delays on a rolling basis in order to capture the delay profile. Based on the delay profile, the DJR utility determines (61) a delay target. The DJR utility 'inflates'/augments (616-624) future/expected delays toward the delay target by performing on one or more of the following: (a) using a delay based factor in the scheduler metric for TCP applications; (b) performing fine-tuning of link adaptation schemes; (c) delaying transmission of packets at the transmit or receive buffer; and (d) delaying transmission of a received TCP ACK signal from the media access control (MAC) sub-layer to TCP layer.
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