Energy efficiency-based cooperative resource allocation method in heterogeneous cloud access network

A technology of resource allocation and cloud access, applied in the field of collaborative resource allocation based on energy efficiency, can solve problems such as poor energy efficiency performance, throughput, effective coverage energy efficiency, weak anti-interference ability, etc., to reduce computational complexity, Baseband processing with low power consumption and the effect of low power consumption

Active Publication Date: 2018-05-22
HARBIN INST OF TECH
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Problems solved by technology

It is proposed that the resource allocation scheme in the traditional heterogeneous network is weak in terms of throughput, effective coverage, energy efficiency, and anti-interference ability. The traditional algorithm proposes that the power allocation scheme with the best throughput can greatly improve the throughput index. However, the energy efficiency performance is still poor

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  • Energy efficiency-based cooperative resource allocation method in heterogeneous cloud access network
  • Energy efficiency-based cooperative resource allocation method in heterogeneous cloud access network
  • Energy efficiency-based cooperative resource allocation method in heterogeneous cloud access network

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0049] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0050] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0051] Heterogeneous cloud access network systems such as figure 1 As shown, the difference from C-RAN is that ...

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Abstract

The invention provides an energy efficiency-based cooperative resource allocation method in a heterogeneous cloud access network, which can ensure system throughput and can also ensure that a system is optimal in energy efficiency under different activity degree in a heterogeneous cloud access system, and relates to the field of information and communication technologies. The method comprises thefollowing steps of step I, based on energy efficiency, setting a user interference tolerance threshold in a heterogeneous cloud access network system; step II, if current interference of a user is larger than the set user interference tolerance threshold, in the process of precoding an emission signal, making a channel matrix sparse, and finding an inverse matrix of the channel sparse matrix to realize beamforming; and step III, performing allocation on the channel matrix after beamforming, calculating the power allocated to each antenna, and performing transmission on the corresponding antenna according to the calculated power. By adopting a channel matrix sparse algorithm, the calculation complexity is reduced, so that digital base-band power consumption is lower, and the energy efficiency is higher under a heterogeneous cloud access scenario.

Description

technical field [0001] The invention relates to the field of information and communication technology, in particular to an energy efficiency-based collaborative resource allocation method in a heterogeneous cloud access network. Background technique [0002] 3G and 4G technologies mainly focus on mobile broadband application scenarios, providing enhanced system capacity and higher data rates. In the 5G era, with the rise of technologies such as ultra-high-definition video streaming, augmented reality, and virtual reality, 5G networks will face the challenges of large data traffic and high energy consumption. Therefore, an energy-efficient resource allocation scheme that takes into account throughput will be more in line with the purpose of energy-saving and emission-reducing green communication that has attracted worldwide attention. At present, the research on 5G technology has reached the first stage, that is, a breakthrough in technology research has been achieved, and t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0426H04B7/06
CPCH04B7/043H04B7/0443H04B7/0617Y02D30/70
Inventor 贾敏张曦木顾学迈郭庆刘晓锋
Owner HARBIN INST OF TECH
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