A dormancy method for base stations based on energy saving in heterogeneous cellular networks

A technology for cellular networks and base stations, applied in the field of base station dormancy solutions, can solve problems such as the need for expansion, and achieve the effect of requiring high interruption probability

Active Publication Date: 2018-02-13
CERTUS NETWORK TECHNANJING
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  • Abstract
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Problems solved by technology

However, the research on the dormancy method of base stations in three-layer or even multi-layer heterogeneous cellular networks based on Poisson point process needs to be expanded.

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  • A dormancy method for base stations based on energy saving in heterogeneous cellular networks
  • A dormancy method for base stations based on energy saving in heterogeneous cellular networks
  • A dormancy method for base stations based on energy saving in heterogeneous cellular networks

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Embodiment Construction

[0018] Below in conjunction with embodiment and accompanying drawing, the technical solution of the invention is described in detail:

[0019] The three-layer heterogeneous cellular network considered by the present invention is as figure 1 , consisting of a macro base station, a micro base station and a pico base station. respectively with parameter λ 1 , lambda 2 , lambda 3 The homogeneous Poisson point process Φ of 1 、Φ 2 、Φ 3 Indicates the spatial location of macro base stations, micro base stations and pico base stations. The users location information is also determined by a parameter λ u The homogeneous Poisson point process Φ of u To represent. In order to facilitate the analysis, a user is added at the origin of the coordinates to form a homogeneous Poisson point process Φ u ∪{0}, according to Slivnyak theory, homogeneous Poisson point process Φ u and Φ u ∪{0} has the same property. Assume that all base stations in the system share the same frequency spec...

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Abstract

The invention provides an energy-saving base station dormant method for a heterogeneous cellular network. An optimal base station dormant scheme is adopted according to the outage probability of a system and uplink transmitting power of a user. Macrocells, microcells and picocells are deployed in the poisson point process in a three-layer heterogeneous cellular network scene, and the outrage probability of the system and the uplink transmitting power of the user are derived according to a random geometric theory; a system power consumption optimization problem is solved, a part of the macrocells start a dormant state, the microcells and the picocells are added, the transmitting power of the macrocells is adjusted, and accordingly, the maximum system power consumption gain is obtained.

Description

technical field [0001] The invention relates to a base station dormancy scheme used in a three-layer heterogeneous cellular network, and belongs to the technical field of mobile communication. Background technique [0002] With the deployment and use of 4G networks, 5G has become the research focus of the industry. In order to meet the demand for large capacity, the 5G system will be composed of multi-layer heterogeneous cellular networks of different sizes and types. However, the rapid development of communication and information technology (ICT) in recent years has directly led to an increase in the power consumption of mobile communication systems, which also means that more carbon dioxide is produced. Therefore, while meeting the ever-growing demand for communication services, how to improve The energy efficiency of cellular heterogeneous networks has become an important issue to be solved in current research. [0003] In heterogeneous cellular networks, the locations o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02
CPCH04W52/0206Y02D30/70
Inventor 朱琦陈莹朱洪波杨龙祥
Owner CERTUS NETWORK TECHNANJING
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