Method for jointly determining resource allocation and offload ratios

A technology of resource allocation and proportion, applied in the direction of network traffic/resource management, services based on specific environment, electrical components, etc., can solve problems such as increasing communication resource consumption, improve user experience, save computing resources, and avoid long-term The effect of resource consumption

Active Publication Date: 2018-11-30
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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This approach leads to a disadvantage: while reducing the computational resource c

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  • Method for jointly determining resource allocation and offload ratios
  • Method for jointly determining resource allocation and offload ratios
  • Method for jointly determining resource allocation and offload ratios

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[0037] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below in conjunction with the accompanying drawings.

[0038] The Internet of Vehicles scenario where the present invention is applied is as follows: figure 1Shown: The network system consists of a macro base station with a mobile edge computing server and vehicles connected to the macro base station. Among them, the macro base station can provide communication services and computing services for vehicles connected to itself. The communication resources of the macro base station are divided into K sub-channels, and these K sub-channels are orthogonal to each other without interference. A set of subchannels is denoted by K={1,2,...,K}. The vehicle set is N={1,2,...,N}. It is assumed that each vehicle will request the wireless VR service s from the macro base station, and the wireless VR service s c...

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Abstract

The invention discloses a method for jointly determining resource allocation and offload ratios, which is applied to the technical field of in-vehicle wireless communications and used to solve the decision problem of communication resources, computing resource allocation and offload ratios faced by the macro base station for the VR service requested by vehicles in the wireless VR service scenariobased on vehicle networking edge calculation in the prior art. The invention firstly allocates a communication sub-channel for each vehicle, determines the optimal offload ratio and the optimal computing resource allocation at this moment according to the communication resource allocation, then compares with the even allocation of computing resources, further modifies the current computing resource allocation and offload ratio to make the task completion time always kept minimum, finally traverses the vehicle task completion time, if there is a channel that may be allocated, reallocates a newcommunication sub-channel for the vehicle with the longest completion time, and updates the computing resource allocation and offload ratio. The method provided by the invention may complete the VR service requested by vehicles in a short time.

Description

technical field [0001] The invention belongs to the technical field of vehicle wireless communication, and in particular relates to a wireless VR service unloading ratio and resource allocation technology. Background technique [0002] The Internet of Vehicles (IOV), which connects vehicles, is emerging with the development of computing and communication technologies. The demand for rich multimedia services in vehicular networks continues to increase, which has attracted great attention from the industry and academia (references: Z.Su, Y.Hui, Q.Yang, "The next generation vehicular networks: a content-centric framework", IEEE Wireless Communications, vol.24, no.1, pp.60-66, 2017.). On the other hand, the computing resources of the vehicle itself are insufficient, so it is unrealistic to rely solely on the vehicle to complete the calculation of the business; moreover, the business requested by the vehicle generally has the requirements of low delay and high reliability. Serv...

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Application Information

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IPC IPC(8): H04W4/50H04W4/40H04W28/02H04W28/16
CPCH04W4/40H04W4/50H04W28/0231H04W28/16
Inventor 吴凡周杰张科冷甦鹏
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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