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Performance switching and user service quality joint optimization method in wireless communication

A user service and wireless communication technology, which is applied in the field of joint optimization of performance switching and user service quality in wireless communication, can solve problems such as low data transmission rate, and achieve the effect of strong adaptive ability

Active Publication Date: 2020-08-11
SOUTHEAST UNIV +1
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Problems solved by technology

[0003] Purpose of the invention: Aiming at the problem of low data transmission rate caused by the optimization of switching parameters in the above-mentioned prior art, the present invention provides a performance switching and user service quality in wireless communication joint optimization method

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  • Performance switching and user service quality joint optimization method in wireless communication
  • Performance switching and user service quality joint optimization method in wireless communication
  • Performance switching and user service quality joint optimization method in wireless communication

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Embodiment Construction

[0028] In order to describe the technical solution of the present invention in detail, further elaboration will be made below in conjunction with the accompanying drawings and specific embodiments.

[0029] In wireless communication, the selection of handover parameters will affect network performance and user service quality. For operators, system performance and service quality of mobile networks are key operational service indicators. The present invention provides a performance Handover and user service quality joint optimization method. The main implementation process of the present invention is summarized as follows:

[0030] First of all, the switching parameter optimization problem can be abstracted as a Markov decision process, represented by a triple . Among them, A represents the set of optional handover parameter combinations, S represents the state set of network performance, and R represents the feedback brought by the selected handover parameter combination to ...

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Abstract

The invention discloses a performance switching and user service quality joint optimization method in wireless communication. The method comprises the following steps: firstly combining a user servicequality evaluation index, a switching performance evaluation index and a ping-pong switching rate to serve as an optimization target of a switching parameter optimization problem; abstracting the switching parameter optimization problem into a Markov decision process; employing a model-free reinforcement learning method; interaction between a base station and a network environment, and training each state-action pair to obtain a Q value to evaluate a reward expected value obtained by using a specific switching parameter combination in a specific network state; and finally, selecting a subsequent switching parameter combination according to a trained strategy to optimize the comprehensive switching performance. According to the method, the throughput of the user can be improved while the network switching performance is ensured.

Description

technical field [0001] The invention belongs to switching technology in wireless communication, and in particular relates to a joint optimization method for performance switching and user service quality in wireless communication. Background technique [0002] Mobility Robustness Optimization (MRO) can automatically adjust the handover parameters in the network - handover hysteresis (Handover Margin, HOM) and trigger time (Time-to-Trigger, TTT) according to the network environment to improve network handover performance. In the existing handover parameter optimization methods, user service quality is usually neglected, and even though the network performance is optimal, the data transmission rate is low. In the present invention, a joint optimization method of handover performance and user service quality based on reinforcement learning is adopted. This method can automatically learn parameter adjustment strategies through the interaction between the base station and the en...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02
CPCH04W24/02Y02D30/70
Inventor 潘志文曹琪刘楠尤肖虎
Owner SOUTHEAST UNIV
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