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Self-adaptive dynamic channel distributing method

A dynamic channel allocation and self-adaptive technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as bandwidth ping-pong adjustment and periodic packet loss, ping-pong adjustment, and periodic packet loss

Inactive Publication Date: 2011-02-02
GLOBAL INNOVATION AGGREGATORS LLC
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Problems solved by technology

For the discrete bandwidth allocation method, it is inappropriate to use a fixed decision threshold for bandwidth allocation, which will easily lead to bandwidth ping-pong adjustment and periodic packet loss.
[0003] U.S. Patent "(Method and apparatus for distributed optimal reverse link scheduling of resources, such as rate and power, in a wireless communication system) (Method and apparatus for distributed optimal reverse link scheduling of resources, such as rate and power, in a wireless communication system) communication system)” [patent application number: 20030193907] proposed a channel bandwidth allocation method, but only considered the power limit, while the Chinese patent “a dynamic channel configuration method based on source rate estimation” [patent application number: 01132746.4] also discloses a channel bandwidth allocation method, but only considers the traffic demand, and cannot solve the problems of bandwidth ping-pong adjustment and periodic packet loss that may be caused by inappropriate bandwidth allocation methods

Method used

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Embodiment Construction

[0041] The idea of ​​the present invention is to use an adaptive dynamic channel allocation method to improve the robustness of control by dynamically adjusting the bandwidth decision standard.

[0042] Such as figure 1 As shown, it is a flowchart of the adaptive dynamic channel allocation method of the present invention, and the steps are as follows:

[0043] Step 1, determine the initial configuration parameters of dynamic channel allocation;

[0044] Step 100, start;

[0045] Step 101, determine the bandwidth rate adjustment file number M to be 9, the bandwidth rate of each file is each element in the array MaxBitRatePreArray,

[0046] Where MaxBitRatePreArray=[0 1 2 4 6 8 9 12 1624]*336bits / 10ms;

[0047] Step 102, determine the maximum value BOmax of the data buffer, BOmax=72*336bits;

[0048] Step 103, determine the initial maximum bandwidth rate MaxBitRateini=4*336bits / 10ms=A 3 , the real-time service bandwidth rate MaxBitRateNow=MaxBitRateini at the current moment...

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Abstract

A method of adaptive dynamic channel allocation includes the following steps: step1, determining initial configuration parameter of dynamic channel allocation; step2, performing adaptive dynamic channel allocation according to the above configuration parameter. Therefore, the method of adaptive dynamic channel allocation of the present invention improves the robustness of control. The method can avoid the fluctuation of channel allocation control, efficiently utilize system wireless resource, reduce signaling overhead, and suppress peak-to-average ratio of signal power.

Description

technical field [0001] The invention relates to an adaptive dynamic channel allocation method, in particular to an adaptive dynamic channel allocation method for a mobile communication system. Background technique [0002] Because spectrum resources are very limited, dynamic allocation of service bandwidth is very important for mobile communication systems. Because packet data services are bursty, fixed bandwidth allocation is not appropriate, so it is very necessary to allocate bandwidth according to the real-time needs of the business. The measurement of the real-time service rate is generally estimated by the buffer occupancy. When the buffer occupancy exceeds a certain threshold for a period of time, it is necessary to increase the service allocation bandwidth. When the buffer occupancy is low for a period of time When it is lower than a certain threshold, it is necessary to reduce the service allocation bandwidth. So how to determine the decision threshold is the key ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W28/18H04W72/54
CPCH04W28/18H04W72/08H04W72/044H04W72/54
Inventor 窦建武
Owner GLOBAL INNOVATION AGGREGATORS LLC
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