Multi-base station cooperative transmission strategy in energy efficiency drive

A cooperative transmission and multi-base station technology, applied in the field of dynamic network clustering based on alliance formation game

Active Publication Date: 2016-09-21
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] The present invention aims at solving the problem of how to build the best cooperative cluster of base stations and improve the energy efficiency of each base station in the cooperative cluster for densely deployed wireless networks

Method used

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  • Multi-base station cooperative transmission strategy in energy efficiency drive
  • Multi-base station cooperative transmission strategy in energy efficiency drive
  • Multi-base station cooperative transmission strategy in energy efficiency drive

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Embodiment Construction

[0050] The specific implementation manners of the present invention will be further elaborated below in conjunction with the accompanying drawings, and the described embodiments are only some of the embodiments of the present invention, not all of them. According to the embodiment of this method, all other embodiments of the present invention realized by persons of ordinary skill in the art on the basis of no creative work, all belong to the protection scope of the present invention.

[0051] The main idea of ​​the present invention is to enable the base stations to perform dynamic collaborative decision-making in network scenarios where base stations are densely deployed. When the interference is small, they can independently provide services for users. At the same time, the energy consumption is kept at a low level, so as to improve the energy efficiency of the base station. In a word, the present invention is a dynamic network clustering algorithm oriented to energy efficie...

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Abstract

The invention discloses a multi-base station cooperative transmission strategy in energy efficiency drive, and belongs to the technical field of energy efficiency optimization in wireless networks. The transmission strategy adopts the technical means of coalition formation game; the base station cooperative group problem is modeled as the coalition formation game, a merge-split algorithm is used for enabling the base station to always add in a cooperative cluster capable of promoting self energy efficiency, thereby implementing the optimal network clustering. The network clustering is performed based on the energy efficiency index to optimize the trade-off relation between the throughput promotion and energy consumption increment caused by the network cooperation. The technical means of coalition formation game is used for solving the cooperation cluster construction problem based on the energy efficiency so as to fast converge to an equilibrium point. Through the limitation on the base station and the interference on the cooperation of adjacent regions, and the adoption of the historic clustering data in the merge-split operation process, the purposed coalition formation game can obtain the unique stable solution.

Description

technical field [0001] The invention belongs to the technical field of energy efficiency optimization in wireless networks, relates to the construction of network cooperative clusters based on energy efficiency indicators, and in particular relates to a dynamic network clustering method based on alliance formation game in an ultra-dense network. Background technique [0002] With the acceleration of informatization construction and the development of new technologies and services such as cloud computing and mobile Internet, mobile traffic is growing rapidly. By 2019, wireless data traffic will exceed 24.3 exabytes per month. In order to meet the growing needs of users, Ultra Dense Wireless Network (UDN) emerged as the times require and has become one of the supporting technologies for 5G. Through the densification of large-scale nodes (especially small base stations), UDN can provide ultra-high data rates, millisecond-level end-to-end latency, and flexible and seamless user...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/02H04B7/04
CPCH04B7/024H04B7/0452H04B7/0456Y02D30/70
Inventor 陈亚文邵华路兆铭温向明席泽国陆镜宇曾艳焦儒轩
Owner BEIJING UNIV OF POSTS & TELECOMM
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