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Apparatus and method for allocating channel

A channel allocation and channel technology, applied in the field of communication, can solve the problems of slow algorithm convergence, low channel allocation efficiency, and no structure in graph coloring model topology, so as to achieve the effect of accelerating iterative convergence speed and improving channel allocation efficiency.

Active Publication Date: 2008-07-23
HUAWEI TECH CO LTD
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Problems solved by technology

[0047] However, the topology of the graph dyeing model has no specific structure, that is to say, it is an undirected graph. In practice, each user or channel can only handle the allocation of one channel at a time, and cannot transmit information in parallel, so the implementation complexity is high. , the algorithm converges slowly, and the channel allocation efficiency is relatively low

Method used

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  • Apparatus and method for allocating channel
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  • Apparatus and method for allocating channel

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Embodiment Construction

[0059] The specific embodiment of the present invention provides a channel allocation method and device, which are used to improve the efficiency of channel allocation.

[0060] see figure 2 , the overall flow of the embodiment of the channel allocation method of the present invention includes:

[0061] 201. Iteratively adjust the occupancy relationship between the user and the channel in parallel according to the channel availability information;

[0062] 202. Determine whether the stop condition is met, if yes, execute step 203, if not, execute step 201;

[0063] 203. Perform channel allocation according to the adjustment result.

[0064] The following describes the embodiment of the channel allocation method of the present invention with specific embodiments:

[0065] This embodiment uses bipartite graph modeling to describe the channel allocation problem, and defines the bipartite graph G=(V su , V ch , (E′, E)), where V su Represents a layer of nodes composed of se...

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Abstract

The invention discloses a channel allocation method and equipment, which is used to improve channel allocation efficiency. The method comprises parallel iterative adjusting occupied relationship between users and channels according to channel usability information till a preset stopping condition is satisfied and allocating channels according to adjusting results. The equipment comprises an information adjusting unit, a check control unit and a channel allocation unit, the channel adjusting unit is used to parallel iterative adjust the occupied relationship between users and channels, the check control unit is used to judge whether a preset stopping condition is achieved, and the channel allocation unit is used to allocate channel according the adjusting results. The invention can effectively improve channel allocation efficiency.

Description

technical field [0001] The present invention relates to the communication field, in particular to a channel allocation method and device. Background technique [0002] With the rapid growth of demand for wireless communication services, the available spectrum resources are becoming increasingly scarce, more and more users, and many emerging wireless access technologies are trying to use those limited and increasingly crowded frequency bands ; In contrast, the actual spectrum utilization rate of most of the licensed frequency bands in the world is very low. [0003] In order to solve the above problems, cognitive radio technology came into being. The core of this technology is to realize the dynamic reuse of frequency bands that have been fixedly allocated to licensed users and other idle frequency bands to improve the utilization of existing spectrum resources through the perception of the wireless environment. Rate. Cognitive Network (CN, Cognitive Network) is an extensio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/36H04Q7/34
Inventor 王可
Owner HUAWEI TECH CO LTD
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