Method and device for resource allocation based on allowance adaptive criterion

A technology of margin self-adaptation and resource allocation, which is applied in the direction of transmission path separation device, payload allocation, transmission path sub-channel allocation, etc., can solve the problem of low optimization rate, slow convergence speed, and inability to make full use of multi-user diversity gain And other issues

Inactive Publication Date: 2015-05-13
CHONGQING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
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AI Technical Summary

Benefits of technology

The invention helps optimize use of available resources for transmitting data over wireless communication networks while reducing interference between signals sent through different paths or devices connected together. This results in better overall performance and reduced energy consumption compared with traditional methods like frequency division multiple access (FDMA) systems that only allocate one resource per car).

Problems solved by technology

Technological Problem addressed in this patents relates to improving the performance of mobile communication systems such as orthogonal frequency division multiplexing (OFDM). Current methods involve static assignment or maximum likelihood techniques like Walsh Artificial Intelligence (HA); however these solutions may result in poorer than expected results due to factors like interference from neighbor base stations. Therefore, it becomes necessary to develop efficient tools called Dynamic Load Allocation Protocol(DLAP)-RATS) protocols that address both issues mentioned above without compromising accuracy.

Method used

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  • Method and device for resource allocation based on allowance adaptive criterion
  • Method and device for resource allocation based on allowance adaptive criterion
  • Method and device for resource allocation based on allowance adaptive criterion

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Embodiment Construction

[0061] The resource allocation method based on the margin adaptive criterion in the present invention, the preferred embodiment is as follows figure 2 As shown, the implementation process can be divided into the following steps:

[0062] 101. Allocate the number of subcarriers to users in proportion according to user priority;

[0063] 102. Determine a modulation scheme according to channel conditions, and determine the number of bits per symbol of user k on subcarrier n according to the modulation scheme;

[0064] 103. According to the number of subcarriers allocated to the user and the number of bits determined by the modulation mode, minimize the total transmission power of the system, and output an optimal subcarrier allocation matrix; said minimize the total system transmission power, and output an optimal subcarrier allocation matrix , including: calculate the subcarrier allocation matrix according to the dynamic matrix, discretize the subcarrier allocation matrix, cal...

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Abstract

The invention relates to the field of a wireless communication technique, in particular to a method and a device for resource allocation on allowance adaptive criterion; the method comprises the steps: proportionally allocating sub-carrier numbers to users according to user priority; determining a modulation manner according to information channel conditions; calculating a sub-carrier allocation matrix according to a power matrix, discretely processing the sub-carrier allocation matrix, calculating an energy function according to the sub-carrier allocation matrix subjected to the discrete processing; if it satisfies a quit condition, exiting iteration; or else, updating the power matrix and then repeating the above procedures. Based on the allowance adaptive criterion and according to the sub-carrier numbers allocated to users and the bit number determined by the modulation manner, the total transmitting power of the system is minimized and the optimal sub-carrier allocation matrix is output.

Description

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Claims

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Application Information

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Owner CHONGQING UNIV OF POSTS & TELECOMM
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