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Method and device for allocating spectrum of wireless communication system

A wireless communication system and spectrum allocation technology, applied in wireless communication, transmission system, transmission monitoring and other directions, can solve the problem of low utilization rate of spectrum resources, and achieve the effect of increasing the utilization rate of spectrum resources and improving the success rate of calls

Inactive Publication Date: 2009-10-21
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] Because the spectrum allocation method provided by the prior art scheme can only use channel horizontal borrowing or channel vertical borrowing, but cannot combine the above two methods, resulting in low spectrum resource utilization

Method used

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  • Method and device for allocating spectrum of wireless communication system
  • Method and device for allocating spectrum of wireless communication system

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Embodiment Construction

[0021] The specific embodiment of the present invention provides a method for spectrum allocation of a wireless communication system, the method is as follows figure 1 shown, including the following steps:

[0022] Step 11, receiving the call request,

[0023] Step 12, judge whether this sub-district has idle channel, if so, then select an idle channel to be assigned to this call, if not, then carry out following steps;

[0024] The above-mentioned method for judging whether there are idle channels in this cell can specifically be to detect the number of idle channels in this cell, if it is lower than the set threshold, then confirm that there is no idle channel in this cell, and if it is higher than the set threshold, then confirm that this cell has no idle channels. There are idle channels; of course, it is also possible to judge whether there are idle channels through the idle rate, specifically, calculate the idle rate of the cell, idle rate = number of idle channels / tota...

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Abstract

The invention provides a method and a device for allocating a spectrum of a wireless communication system, and belongs to the field of communication. The method comprises the following steps: receiving a calling request, judging whether a neighbor cell of a cell has an idle channel when determining no idle channel exists in the cell; if judging that the neighbor cell has the idle channel, carrying out channel horizontal borrowing on the neighbor cell; otherwise, carrying out channel vertical borrowing on a cell on an upper layer or a lower layer of the cell; and allocating a borrowed signal to the calling. The method and the device have the advantages of high utilization rate of spectrum resources and high success rate of communication.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for frequency spectrum allocation of a wireless communication system. Background technique [0002] Traditional wireless communication systems adopt a static spectrum allocation strategy, that is, authorized users have exclusive rights to their spectrum, and other users are not allowed to use it. Although this spectrum allocation method is beneficial to guarantee the service quality of the system, due to the unbalanced distribution of communication services in the region, time domain, and frequency domain, spectrum resources have not been fully utilized. In order to solve the above problems, the prior art provides several spectrum allocation methods, specifically including dynamic channel allocation and hybrid channel allocation. Whether it is dynamic channel allocation or hybrid channel allocation, the key technology is spectrum borrowing. Spectrum borrowin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04B17/00H04W16/10
Inventor 李屹纪红毛旭李曦李希金王成金
Owner BEIJING UNIV OF POSTS & TELECOMM
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