A Service Scheduling Method Based on Genetic Algorithm to Optimize Transmission Rate Weight

Abstract

The invention discloses a business scheduling method based on a genetic algorithm to optimize the transmission rate weight, which mainly solves the problem that the existing method is difficult to comprehensively measure throughput and user fairness performance, and has poor adaptability to different systems. Including: 1) Obtain the data transmission rate set of the system; 2) Determine the fitness function of the average throughput of the system and the fairness among users; 3) Establish a genetic algorithm search model according to the fitness function; 4) Combining with the search model, simulate and determine each The optimal weight of the data transmission rate; 5) Obtain the user's data transmission rate, user parameters and business parameters; 6) Calculate the user scheduling priority; 7) Schedule resource blocks according to the scheduling priority, and repeat the execution for unallocated resource blocks The scheduling step completes the scheduling. The invention adopts the genetic algorithm to search for the optimal weight of each data transmission rate of the system, can flexibly change the fitness function, and effectively improves the adaptability of the business scheduling method to different systems.

Description

technical field [0001] The invention belongs to the technical field of communication, relates to wireless communication technology, and further relates to a service scheduling method based on genetic algorithm to optimize transmission rate weight, which can be used in satellite communication, mobile communication, ionospheric scatter communication and tropospheric scatter communication. Background technique [0002] In the field of communication, bandwidth resources are very limited, and multiple users share limited bandwidth resources. Therefore, how to improve the spectrum utilization of wireless resources and how to allocate resources among users is an important challenge in the communication field. The resource scheduling algorithm needs to combine system requirements to allocate reasonable spectrum resources for multiple services of multiple users. In wireless communication, the time-varying characteristics of the wireless channel and the diversity of user services mak...

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Problems solved by technology

[0006] The purpose of the present invention is to address the shortcomings of the above-mentioned prior art, and propose a business scheduling method based on genetic algorithm to optimize the transmission rate weight, which is used to solve the problem that the traditional business scheduling method has poor adaptability to different requirements of different systems, and it is difficult to use quantitative indicators to measure The problem of comprehensive performance of system average throughput and fairness among users

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