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Resource allocation method and device

A technology of resource allocation and rules, applied in the field of wireless communication, can solve the problem of not being able to support dense communication networks well, and achieve the effect of improving throughput, high spectral efficiency and high energy efficiency communication

Active Publication Date: 2017-06-13
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, although the existing technology can improve the throughput of the communication system by expanding the communication range and improving the communication quality, it cannot support dense communication networks well.

Method used

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  • Resource allocation method and device

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Embodiment Construction

[0030] 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 making creative efforts belong to the protection scope of the present invention.

[0031] In order to facilitate the understanding of the resource allocation method provided by the embodiment of the present invention, the principle content on which the resource allocation method provided by the embodiment of the present invention is first introduced. The details are as follows:

[0032] SCMA (Sparse Codebook Multiple Access) technology is receiving increasing attention from the industry because it can achieve more user access by sharing orth...

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Abstract

The embodiment of the invention provides a resource allocation method and device. The method comprises the steps of determining an initial subcarrier pairing rule in a current communication network; determining an initial codebook allocation rule and an initial power allocation rule; determining a middle subcarrier pairing rule; calculating a first weight and rate; judging whether an absolute value of the difference between the first weight and rate and the initialized first weight and rate is greater than a first error value or not; if the absolute value is greater than the first error value, determining the middle subcarrier pairing rule as the initial subcarrier pairing rule, determining the first weight and rate as the initialized first weight and rate, and returning to the step of determining the initial codebook allocation rule and the initial power allocation rule; and if the absolute value is not greater than the first error value, determining the initial codebook allocation rule, the initial power allocation rule and the middle subcarrier pairing rule as the optimum codebook allocation rule, the optimum power allocation rule and the optimum subcarrier pairing rule. Through application of the embodiment of the invention, dense communication in a single relay network can be realized.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a resource allocation method and device. Background technique [0002] With the rapid development of the mobile Internet and Internet of Things market and business applications, the demand for 5G services is also rapidly increasing. According to the report, compared with 4G, 5G requires 10-100 times higher transmission rate, 10-100 times higher connection device density, 0.1-1Gb / s user experience rate, etc., while energy efficiency, spectrum efficiency and peak rate, etc. Indicators are also considered. Facing the huge demand for mobile data services in the future, how to use limited spectrum resources to access more users and support higher communication rates has become a challenge for 5G development. [0003] Relay technology has been incorporated into the key technology of 5G due to its unique advantages of improving the cell coverage, spectrum effici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04W72/0453H04W72/0473H04W72/53Y02D30/70
Inventor 李立华张平罗琳苏鑫
Owner BEIJING UNIV OF POSTS & TELECOMM
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