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A Resource Allocation Method for Improving Energy Efficiency of Mobile Edge Computing Cellular Networks

A resource allocation and cellular network technology, which is applied in the field of resource allocation to improve the energy efficiency of mobile edge computing cellular networks, can solve the problems of not providing solutions, not considering user mobility, etc., to improve user experience and prolong power usage Duration, the effect of improving energy efficiency

Active Publication Date: 2022-05-24
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned patent can only allocate the subcarriers of the downlink channel, and it does not take into account the mobility of users when allocating, and the specific calculation process of the above-mentioned patent has major defects, and cannot provide a global optimal solution

Method used

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  • A Resource Allocation Method for Improving Energy Efficiency of Mobile Edge Computing Cellular Networks
  • A Resource Allocation Method for Improving Energy Efficiency of Mobile Edge Computing Cellular Networks
  • A Resource Allocation Method for Improving Energy Efficiency of Mobile Edge Computing Cellular Networks

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Experimental program
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Embodiment 1

[0048] In a single cell with time division multiple access, 10 users are randomly distributed within the coverage of the cell and move at different speeds and starting directions. The coverage radius of the cellular unit is 1 km, the uplink channel of the cellular unit uses the transmission bandwidth of 360 kHz, and the data transmission rate is 64 kbps. The interval δ of each transmission time slot is set to 0.1 seconds, and the prediction range is 5 seconds in the future, that is, T=50. According to the selected base station hardware equipment model, set the base station receiving antenna gain to 18.0dBi, and the base station receiving end noise figure to be N F = 2dB, the received signal strength R required by the base station to successfully receive the user upload data packet θ =-100dBm. The base station is configured with multiple MEC servers, which are used for data processing of tasks uploaded by mobile users, and for the computing power f that each user can provide ...

Embodiment 2

[0068] A resource allocation method to improve the energy consumption efficiency of mobile edge computing cellular networks. Based on the historical data information such as the user's movement trajectory and speed, the existing algorithm is used to predict the user's position in the future T time slots, and calculate the user's future position in the future. The distance from the base station in T time slots; based on the predicted distance, analyze and calculate the user's future communication channel quality and the transmission power required to successfully transmit data to the base station; , Under the constraints of limited communication time slot resources and the maximum limit of transmission power, with the goal of minimizing the total energy consumption of all users, the resource allocation problem is modeled as a mixed integer programming (MIP) problem to solve, and the transmission time slot and transmission power are obtained. The best way to allocate.

[0069] F...

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Abstract

The present invention relates to the communication field, specifically a resource allocation method for improving the energy consumption efficiency of mobile edge computing cellular networks, which predicts the position of the user in the future T time slots, and calculates the user's position in the future T time slots The distance from the base station; based on the predicted distance, analyze and calculate the user's future communication channel quality and the transmission power required to successfully transmit data to the base station; model the resource allocation problem as a mixed integer programming problem and solve it to obtain the transmission time slot and the optimal method of transmit power allocation. On the basis of making full use of the user's mobile context, the present invention realizes the purpose of minimizing energy consumption resources consumed by users in the system on the premise of meeting the user's demand for task processing delay by jointly optimizing the unloading strategy and communication resources.

Description

technical field [0001] The invention relates to the field of communications, in particular to a resource allocation method for improving the energy consumption efficiency of mobile edge computing cellular networks. Background technique [0002] With the development of mobile Internet and smart terminals, a large number of new Internet applications have emerged. These emerging applications have brought a variety of life experiences to everyone, but at the same time they have also brought new challenges to communication systems and mobile terminals. A large number of emerging applications are highly sensitive to data processing delay and have high computational complexity, such as face recognition, image analysis, augmented reality, 3D online games, etc. Since mobile terminals are usually powered by batteries and have limited data processing capabilities, it has been difficult to meet the requirements of emerging applications with high computational complexity and low process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/12H04B17/318H04B17/336H04B17/382H04W72/54
CPCH04B17/318H04B17/336H04B17/382H04W72/0446H04W72/0453H04W72/0473H04W72/53H04W72/54H04W72/542Y02D30/70
Inventor 黄霖宇
Owner SICHUAN UNIV