Method and device for determining transmission congestion
A determination method, non-transmission technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve the problems of transmission errors, packet loss, inaccurate transmission congestion, etc. Effect
Active Publication Date: 2019-02-19
HUAWEI TECH CO LTD
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Problems solved by technology
However, in the process of data transmission, in addition to transmission congestion can cause packet loss, transmission errors can also cause packet loss
If the system has a packet loss rate due to transmission errors, the transmission congestion determined based on the packet loss rate is not accurate
In addition, when the packet loss rate caused by transmission errors is higher than the preset threshold, the packet loss rate caused by transmission errors will be mistakenly determined to be caused by transmission congestion, so the bandwidth of the transmission network interface will be controlled to be reduced, resulting in a decrease in the transmission network throughput
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[0076] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0077] Such as figure 1 As shown in , it shows a schematic diagram of an implementation environment involved in a method for determining transmission congestion provided by an embodiment of the present invention. Such as figure 1 As shown, the implementation environment is a data transmission system, and the data transmission system includes a data sending host 101 and a data receiving host 102 . Wherein, the data sending host 101 and the data receiving host 102 are connected through a transmission network, and the transmission network may be a wired network or a wireless network. The data transmission system needs to control the data transmission rate between the data sending host 101 and the data receiving host 102 to maintain an a...
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The present invention relates to the field of wireless communications. Embodiments of the present invention provide a method and device for determining transmission congestion. Because lost packets caused by transmission congestion and lost packets caused by a transmission error may both exist in the actual number of lost packets, the method provided by the present invention comprises: determining a first linear relationship during non-transmission congestion and a second linear relationship during transmission congestion according to the actual number of sent packets and the actual number of lost packets in a preset number of transmission cycles; determining a first theoretical number of lost packets according to the actual number of lost packets and the first linear relationship, and determining a second number of lost packets according to the actual number of lost packets and the second linear relationship, to determine whether transmission congestion occurs according to a first parameter determined according to the actual number of lost packets and the first theoretical number of lost packets and a second parameter determined according to the actual number of lost packets and the second theoretical number of lost packets. Therefore, the transmission congestion can be more accurately determined, appropriate interface bandwidth of a transport network can be controlled to allocate, and the throughput of the transport network is improved.
Description
technical field [0001] The invention relates to the field of wireless communication, in particular to a method and device for determining transmission congestion. Background technique [0002] Transmission congestion means that the demand for sending data packets exceeds the capacity of the transmission network to transmit data packets. If the demand for sending data packets is not reduced, the transmission system will discard unsendable data packets, resulting in increased packet loss in the system. In order to avoid transmission congestion caused by too high a transmission rate, thereby aggravating the transmission delay and increasing the packet loss rate, the data transmission rate between the data sending host and the data receiving host is usually controlled to maintain an appropriate value. Since this control method needs to adjust the bandwidth of the transmission network interface according to the transmission congestion situation, it is necessary to determine wheth...
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IPC IPC(8): H04W28/02
CPCH04W28/02
Inventor 倪锐罗静蓝海青
Owner HUAWEI TECH CO LTD
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