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Frequency domain bandwidth resource allocation method and device

A technology of bandwidth resources and frequency domain resources, which is applied in the computer field, can solve problems such as insufficient allocation of access users, misallocation of bandwidth resources, waste of bandwidth resources, etc.

Pending Publication Date: 2022-07-15
AGRICULTURAL BANK OF CHINA
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Problems solved by technology

[0004] However, the frequency-domain bandwidth resource division method of the fixed mode may lead to a waste of bandwidth resources, and the sequential allocation method may lead to the mismatch of bandwidth resources and may cause subsequent access users to be unable to allocate frequency-domain bandwidth resources. poor

Method used

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  • Frequency domain bandwidth resource allocation method and device
  • Frequency domain bandwidth resource allocation method and device
  • Frequency domain bandwidth resource allocation method and device

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specific Embodiment approach

[0120] In a possible implementation manner, the embodiment of the present application provides a specific implementation manner of acquiring the fairness factor corresponding to the target user, which may include the following steps:

[0121] B1: Calculate the average equivalent rate of target users.

[0122] B2: The inverse of the average equivalent rate of the target user is taken as the fairness factor corresponding to the target user.

[0123] Based on B1-B2, the average effective rate of user i can be used The reciprocal of is the fairness factor. In practical applications, the user's historical rate can be calculated from the historical data volume and historical transmission time transmitted by the user's historical communication. When the user communicates multiple times in the history, there are multiple historical rates correspondingly. At this time, the quotient of multiple historical rates and times obtained by calculation is used as the average effective rate ...

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Abstract

The invention discloses a frequency domain bandwidth resource division method and device. Multiple division modes of frequency domain bandwidth resources, multiple frequency domain resource units under each frequency domain bandwidth resource division mode and multiple frequency domain resource unit allocation modes under each frequency domain bandwidth resource division mode are determined. And calculating a utility value corresponding to each frequency domain resource unit allocation mode under the target frequency domain bandwidth resource division mode, and determining an optimal frequency domain resource unit allocation mode meeting a first preset condition from the multiple frequency domain resource unit allocation modes according to the utility value. And determining an expected frequency domain resource unit allocation mode meeting a second preset condition from the plurality of preferred frequency domain resource unit allocation modes based on the utility value corresponding to each preferred frequency domain resource unit allocation mode, the corresponding frequency domain bandwidth resource division mode being the expected frequency domain bandwidth resource division mode. Therefore, each user can obtain a better transmission condition on the allocated frequency domain resource unit.

Description

technical field [0001] The present application relates to the field of computer technologies, and in particular, to a method and apparatus for allocating bandwidth resources in the frequency domain. Background technique [0002] When users use a wireless local area network for wireless communication, if the users of the wireless local area network access point are denser, the communication delay will be greatly increased. [0003] At present, the frequency domain bandwidth resources of the transmission channel are divided by a fixed mode frequency domain bandwidth resource division method. Specifically, the frequency domain bandwidth resources are approximately equally divided according to the number of users participating in the wireless communication, and a plurality of frequency domain resource units are obtained. The number of users is the same as the number of frequency domain resource units, and the size of resource units allocated to users is basically the same. Mor...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04W72/0453H04W72/53
Inventor 李元炅
Owner AGRICULTURAL BANK OF CHINA
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