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Method and system for distribution of communication system resource

A resource allocation and communication system technology, applied in the field of resource allocation, can solve problems such as reducing resource allocation efficiency and difficulty in satisfying resource allocation, and achieve the effects of optimizing the resource allocation process, overcoming time-varying effects, and improving user performance

Inactive Publication Date: 2009-05-27
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0003] However, due to the instantaneous nature of system and channel state changes, the situation at the next moment is often quite different from the situation at the previous moment, which leads to a certain degree of lag in the resource allocation method based on current information, which is difficult to meet The need for better resource allocation
It is precisely because of this hysteresis resource allocation method that the allocation efficiency of various system resources in the communication system is reduced.

Method used

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  • Method and system for distribution of communication system resource
  • Method and system for distribution of communication system resource

Examples

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example 1

[0045] Example 1: Channel Allocation in a Cellular Communication System

[0046] In this embodiment, the methods of real-time measurement, system feedback and resource reporting are used to determine the resource status information in the current communication system, and at the same time, the resource status information at the next moment is estimated and predicted based on previous status and current status information. When the optimal or suboptimal estimated value of the resource prediction information at the next moment is obtained, a priority is established for the resource, and the resource is allocated to the user according to the priority.

[0047] This embodiment provides a channel allocation scheme based on predicted channel gain to interference ratio (Gain to Interference Ratio, GIR for short). In this example, according to the current resource situation of the system, the recursive estimation method is used to predict the resource situation at the next moment, and...

example 2

[0074] Example 2: Dynamic Bandwidth Allocation in Passive Optical Networks

[0075] This example gives a dynamic bandwidth allocation scheme based on time series prediction. In this example, according to the current resource situation of the system, the time series method is used to predict the resource situation at the next moment in the passive optical network, and the process of allocating the available bandwidth is based on the predicted information.

[0076] Time series analysis is to estimate and study the statistical regularity of a certain time series in the process of long-term changes, and to predict future development and changes. Autoregressive model, moving average model, autoregressive moving average model and autoregressive combined moving average model are the basic methods of time series forecasting and estimation.

[0077] The autoregressive model AR(p) expression is as follows:

[0078]

[0079] According to the definition of the autoregressive model, a...

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Abstract

The invention relates to a resource allocation method for communication system comprising: predicating the status information of resource of next time, acquiring predication information about resource status of next time; performing resource allocation according to predication information. The invention also relates to a resource allocation system in communication system comprising a status predication module, for predicating status information for resource of next time, acquiring predication information for resource status of next time; a resource allocation module, for allocating resource of next time according to the predication information. The invention adopts resource allocation scheme based on predication information, overcomes time hysteresis for allocating system resource based on present resource status, further optimizes resource allocation course and largely improves user performance.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and system for resource allocation in a communication system. Background technique [0002] In current communication systems, resources are usually allocated according to the current system status and channel status, that is, resource status information in the system at the current moment is obtained, and resource allocation is implemented according to the resource status information at the current moment. [0003] However, due to the instantaneous nature of system and channel state changes, the situation at the next moment is often quite different from the situation at the previous moment, which leads to a certain degree of lag in the resource allocation method based on current information, which is difficult to meet The need to achieve better resource allocation. It is precisely because of this hysteresis resource allocation method that the allocation efficiency of v...

Claims

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Application Information

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IPC IPC(8): H04W72/08H04W72/04H04W28/24H04W24/08
Inventor 许晓东张平章辉陶小峰李静雅陈鑫郝志洁张忠起赵英宏
Owner BEIJING UNIV OF POSTS & TELECOMM
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