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Multi-user multi-service licensed and unlicensed spectrum combined allocation method and device

A technology of unlicensed spectrum and licensed spectrum, applied in the field of wireless communication

Active Publication Date: 2017-12-22
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, in the prior art, there is no joint spectrum allocation method for multi-user and multi-service situations when licensed and unlicensed carriers are aggregated

Method used

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  • Multi-user multi-service licensed and unlicensed spectrum combined allocation method and device
  • Multi-user multi-service licensed and unlicensed spectrum combined allocation method and device
  • Multi-user multi-service licensed and unlicensed spectrum combined allocation method and device

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Embodiment Construction

[0093] 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.

[0094] It should be noted that the method for jointly allocating licensed and unlicensed spectrum for multiple users and multiple services provided by the embodiment of the present invention can be applied to the controller of the central network of the LTE and WiFi heterogeneous network system, and the controller includes a desktop Computers, portable computers, servers, etc. are not limited here, and any electronic device that can implement the embodiments of...

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Abstract

The embodiment of the invention provides a multi-user multi-service licensed and unlicensed spectrum combined allocation method and device which are used for an LTE (Long Term Evolution) and WiFi heterogeneous network system. The method comprises the steps of: according to a transmission rate demand difference among different services, a channel quality difference among different users and quality differences of licensed spectra and unlicensed spectra, by adopting a two-step rate allocation method, firstly, carrying out allocation of licensed spectrum resources on LTE users to which the licensed spectra can be allocated to, and secondly, on the basis of licensed spectrum allocation, further allocating the unlicensed spectra to all the LTE and WiFi users, so that reasonable combined allocation on the licensed and unlicensed spectra to multiple users and multiple services in the licensed and unlicensed carrier aggregation process is implemented, and the total utility of the heterogeneous network system is promoted.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method and device for aggregation and allocation of authorized and unlicensed frequency spectrums for multiple users and multiple services. Background technique [0002] With the development of wireless communication technology, heterogeneous networks that integrate multiple communication systems have become the development direction of next-generation wireless networks. Heterogeneous networks can make multiple systems learn from each other and give full play to their respective advantages through the integration of systems. , wireless resource management is an important research topic in heterogeneous networks, and its goal is to efficiently utilize the limited wireless spectrum, transmission power and wireless network infrastructure. like figure 1 As shown, in a heterogeneous network where an LTE cell and a WiFi network coexist in the same unlicensed spectrum, LTE SBS (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/54
CPCH04W72/0453H04W72/53H04W72/51H04W72/542
Inventor 张奇勋孙宇航冯志勇侯佳张栋
Owner BEIJING UNIV OF POSTS & TELECOMM