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Shapley-algorithm-based method for distributing frequency bands of wireless network

A wireless network and frequency band technology, applied in the field of wireless network frequency band allocation based on Shapley algorithm, can solve the problems of unusable, low frequency band utilization, waste, etc.

Active Publication Date: 2013-09-25
TSINGHUA UNIV
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Problems solved by technology

However, this division is long-term, and the space-time dimension is fixed. So far, the waste phenomenon is very serious. The utilization rate of many frequency bands is extremely low, but they cannot be used in places where frequency bands are scarce, which seriously restricts the development of wireless networks.

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  • Shapley-algorithm-based method for distributing frequency bands of wireless network
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  • Shapley-algorithm-based method for distributing frequency bands of wireless network

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Embodiment Construction

[0030] According to the wireless network frequency band allocation method of the present invention, it can be directly applied in areas with uneven frequency band allocation. First of all, the primary user has free frequency bands that can be used by others to improve frequency band utilization and increase revenue, and secondly, there are multiple secondary users to purchase frequency bands. What needs to be considered here is the situation that the supply exceeds the demand, because when the frequency band is sufficient, each user can meet the purchase demand without scheduling. So here we only consider the situation when the frequency band is insufficient, and design a fair frequency band sales mechanism for this situation, fully consider the sub-user psychology in reality, form the optimal combination in the form of alliance, and conduct the frequency band in the form of combination Joint purchase is more realistic. The method of the invention builds a process model of th...

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Abstract

The invention provides a shapley-algorithm-based method for distributing frequency bands of a wireless network. The method comprises the following steps of: S1, publishing idle wireless network frequency band numbers, a minimum frequency band sale threshold value and a minimum sale price; S2, declaring the required frequency band number by each subsidiary user; S3, computing subsidiary user groups which meet the minimum frequency band sale threshold value; S4, classifying the subsidiary users; S5, computing the shapley value of each subsidiary user; S6, computing expected payment; S7, determining whether or not the subsidiary users in all the remained subsidiary user groups are fixed in the remained subsidiary user groups according to the computed expected payment, and if yes, carrying out S8, if no, carrying out S5, or carrying out S8 if the S5 is accumulatively carried out for the preset times; S8, carrying out open bidding by the subsidiary user groups; and S9, wining by the subsidiary user group which offers a highest sum price. According to the shapley-algorithm-based method provided by the invention, the optimal frequency band distribution mode can be computed, and the requirement of the subsidiary users can be met.

Description

technical field [0001] The invention belongs to the technical field of wireless network frequency band allocation, and in particular relates to a wireless network frequency band allocation method based on the Shapley algorithm. Background technique [0002] It has always been the government regulatory bureau that controls the use of wireless network frequency bands. According to the peak state of use, the frequency band is divided into equal-sized blocks, called channels, for fixed services, such as the frequency band for TV reception. However, this division is long-term, and the space-time dimension is fixed. So far, the waste phenomenon is very serious. The utilization rate of many frequency bands is extremely low, but they cannot be used in places where frequency bands are scarce, which seriously restricts the development of wireless networks. [0003] Based on this situation, a phenomenon occurs that primary users PU (Primary Users) want to sell the remaining free freque...

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Application Information

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IPC IPC(8): H04W16/10G06Q30/02
CPCH04W16/14H04W72/53
Inventor 徐恪张宇超钟宜峰
Owner TSINGHUA UNIV
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