Resource adapting method, device and system

A resource adaptation and reconfiguration technology, applied in wireless communication, electrical components, etc., can solve the problem that the service cannot match the frequency characteristics of the switching frequency band and the QoS characteristics of the switching service, so as to enhance the integrity and implementability, and improve the success rate, increasing system throughput

Active Publication Date: 2012-06-27
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to propose a resource adaptation method, aiming at the defect that the service carried by the terminal cannot be guaranteed to match the frequency characteristics of the switching frequency band and the QoS characteristics of the switching service in the resource adaptation method of the prior art. Devices and systems

Method used

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  • Resource adapting method, device and system
  • Resource adapting method, device and system
  • Resource adapting method, device and system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0054] figure 1 It is a flow chart of Embodiment 1 of the resource adaptation method of the present invention, as shown in figure 1 As shown, this embodiment includes:

[0055] Step S101: Obtain characteristic parameters of short-term spectrum resources, and execute step S103;

[0056] Step S103: Determine whether the current load of the communication cell exceeds the set threshold, if yes, execute step S105, otherwise continue to execute step S103;

[0057] Step S105: Obtain the service characteristics of the terminals that are carrying services in the communication cell, select the terminal to be handed over, and execute step S107;

[0058] Step S107: According to the characteristic parameters of the short-term spectrum resource, adapt the terminal to be handed over to the short-term spectrum resource matching its service characteristics.

[0059] In the resource adaptation method proposed in this embodiment, the matching of the characteristics of the service carried by t...

Embodiment 2

[0061] In this embodiment, in the single communication cell scenario, it is assumed that the communication cell itself has a long-term fixed frequency allocation, and the base station and some terminals support the frequency reconfiguration function. When the load of the communication cell exceeds a certain threshold, the terminal obtains the detection spectrum through CR technology resources, or lease spectrum resources through inter-network negotiation, so as to obtain short-term available spectrum resources, which can relieve system pressure, supplement system capacity, and realize dynamic allocation of spectrum resources and expansion of system capacity.

[0062] In this embodiment, leased spectrum resources and detected spectrum resources are used as examples for short-term spectrum resources, and their spectrum characteristics can be characterized by statistical characteristic parameters, and the main statistical characteristic parameters can include: availability, availab...

Embodiment 3

[0084] Figure 4 It is a schematic diagram of determining the amount of load to be switched in Embodiment 3 of the resource adaptation method of the present invention. like Figure 4 As shown, among them,

[0085] T: Overload threshold load, that is, if the load exceeds this threshold, the system is in an overload state;

[0086] T’: Historical statistical experience sets the threshold load, under which the system is in the optimal performance state;

[0087] L: the current load, which can be represented by bandwidth here;

[0088] N: (L-T') load;

[0089] M: switchable load, comprehensively consider various information of the terminal, including terminal reconfiguration capability, moving speed, delay requirements, bandwidth requirements and other information, and preferentially select the terminal with low delay sensitivity requirement as the terminal to be switched among all terminals . The so-called switchable means that the user meets the most basic factors of termi...

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Abstract

The invention discloses a resource adapting method, a device and a system. The method comprises the following steps: acquiring characteristic parameters of a short-time frequency spectrum resource; when the current load of a communication cell exceeds the preset threshold, acquiring service characteristics of a terminal bearing a service in the communication cell, and selecting a terminal to be switched to; and according to the characteristic parameters of the short-time frequency spectrum resource, adapting the terminal to be switched to a short-time frequency spectrum resource matching the service characteristics of the terminal to be switched to. The invention considers the short-term availability of the short-time frequency spectrum resource when switching the frequency, and can adaptthe service to the frequency spectrum resource matching the frequency spectrum characteristics, thereby increasing the success ratio of switching and ensuring the QoS characteristic of the service. The invention can overcome the defects of failure to ensure that the service characteristics of the service borne by the terminal match the frequency characteristics of the switched frequency band whenswitching the terminal, failure to ensure the QoS characteristic of the switched service, and the like in the prior art.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a resource adaptation method, device and system initiated by a network side. Background technique [0002] Radio communication spectrum is a precious and limited resource, which is uniformly allocated and authorized by the state. Generally, a frequency band is only used independently by one wireless communication system for a long time, and different wireless communication systems use different frequency bands without interfering with each other. With the rapid development of wireless communication, especially due to the significant increase of spectrum-based services and devices recently, people have an increasing demand for spectrum resources, and spectrum resources are increasingly scarce. [0003] The spectrum resources of the current licensed system are fixed allocation, and the system capacity is fixed and limited. With the increase of the number of terminals, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/08
Inventor 冯志勇苗丹李男陈星张平田方
Owner CHINA MOBILE COMM GRP CO LTD
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