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Continuous Cell Scaling Method Based on Random Geometry Heterogeneous Cellular Network

A cellular network and random geometry technology, applied in the field of wireless communication, can solve problems such as inapplicability, and achieve the effect of improving energy efficiency and reducing system energy consumption

Active Publication Date: 2020-03-10
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the traditional hexagonal grid model is too ideal, not only unsuitable for modeling single-layer cellular networks, but also unsuitable for more randomized and diversified multi-layer heterogeneous cellular networks

Method used

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  • Continuous Cell Scaling Method Based on Random Geometry Heterogeneous Cellular Network
  • Continuous Cell Scaling Method Based on Random Geometry Heterogeneous Cellular Network
  • Continuous Cell Scaling Method Based on Random Geometry Heterogeneous Cellular Network

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Embodiment 1

[0042] This embodiment is based on the continuous cell scaling method of a random geometric heterogeneous cellular network, and is applied to a random geometric heterogeneous cellular network composed of a macro base station MBS and a small cell base station SBS. Each small cell base station has the same scaling period T, and each cell scaling period T specifically includes: small cell base station state information acquisition stage T I , load balancing decision stage T L , scaling execution stage T C , service stage T S .

[0043] The small cell base station state information acquisition stage T I Including: all small cell base stations in the cellular network broadcast pilot signals to the small cell users it serves, and obtain the distance d from the small cell user to the small cell base station according to the pilot signal strength ij , and further obtain the number of small cell users served by each small cell base station and the service type. The attribute parame...

Embodiment 2

[0049] This embodiment is based on the continuous cell scaling method of the random geometric heterogeneous cellular network. On the basis of Embodiment 1, each small cell base station has an independent scaling period T, which is specifically described as follows:

[0050] Each cell scaling period T specifically includes: a small cell base station state information acquisition stage T I , load balancing decision stage T L , scaling execution stage T C , service stage T S ;

[0051] Wherein, the small cell base station state information acquisition stage T I Including: all small cell base stations in the cellular network broadcast pilot signals to the small cell users they serve, and obtain the distance d from the small cell user to the small cell base station according to the pilot signal strength ij , and further obtain the number of small cell users served by each small cell base station and the service type. The attribute parameters of the service type include: the tra...

Embodiment 3

[0058] This embodiment is based on the continuous cell scaling method of a random geometric heterogeneous cellular network, and on the basis of Embodiments 1 and 2, a double-layer heterogeneous cellular network is provided. For the scaling method, reference is made to the contents described in the foregoing Embodiments 1 and 2, and details are not described herein again. The random geometric heterogeneous cellular network is a double-layer heterogeneous cellular network using Orthogonal Frequency Division Multiple Access (OFDMA), and the double-layer heterogeneous cellular network includes two types of macro base station MBS and small cell base station SBS. Base stations, the base stations of each layer are distributed based on an independent two-dimensional homogeneous Poisson point process (HPPP). The criterion for the user UE to access the base station is to access the base station closest to it. standard, which will form Poisson-Tyson polygon tiling (PVT). The deployment o...

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Abstract

The invention relates to a continuous cell scaling method based on a random geometrical heterogeneous cellular network, which is designed for reducing energy consumption of a network, and improving energy efficiency and area spectrum efficiency. The continuous cell scaling method based on the random geometrical heterogeneous cellular network provided by the invention comprises the steps of determining the longest distance dmax between one of the users a small cell base station (SBS) serves and the small cell base station within a scaling period T of each cell, and scaling a coverage radius ofthe small cell base station to the position dmax of the farthest user. The continuous cell scaling method provided by the invention is applied to the random geometrical heterogeneous cellular networkcomposed of a macro base station (MBS) and the small cell base station (SBS), and thus the energy consumption of the cellular network is reduced and the energy efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a continuous cell scaling method based on a random geometric heterogeneous cellular network. Background technique [0002] In recent years, with the vigorous development of wireless communication technology and the popularization of intelligent terminal equipment, the mobile access network bandwidth and rate have been greatly improved for user UEs. Deployment needs to consume a lot of capital, which cannot be compensated by the lower and lower business income, and the contradiction between the energy consumption of the network and the operation cost is becoming more and more prominent. [0003] In order to solve the above problems, the industry has launched new solutions, and deployment of small cell base stations is one of them. A small cell is a general term for a type of wireless access nodes. The term small cell includes a femtocell, a microcell, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W16/24H04W16/26H04W16/32H04W28/08H04W52/02
CPCY02D30/70
Inventor 盛洁尤扬朱巧明朱灿焰汪一鸣马冬
Owner SUZHOU UNIV
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