Method for fast packet scheduling of HSDPA system
A packet scheduling and fast technology, applied in transmission systems, digital transmission systems, network traffic/resource management, etc., can solve problems such as inability to provide QoS, increased packet loss rate, and failure to consider QoS quality.
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[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0050] On the premise of ensuring the throughput of users and cells, the present invention not only provides data rates meeting requirements for different services, but also effectively reduces the packet loss rate, especially in a high-speed mobile environment where user channel conditions change more violently.
[0051] Such as figure 1 Shown, a kind of fast grouping scheduling method of HSDPA system in the high-speed mobile environment, described grouping scheduling method comprises the steps:
[0052] a) model under different channel conditions respectively, and calculate the instantaneous CQI of all users in the HSDPA system according to the propagation model, the user's moving speed and the distance between the user and the base station, and calculate the average CQI of the user in a period of time according to the instantaneous CQI;
[0053] b) In a s...
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