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Energy efficient base station entering sleep mode

A technology of telecommunication network and system information, applied in telephone communication, electrical components, wireless communication, etc., can solve problems such as radio transmission interference, general performance degradation of cellular systems, etc., achieve effective control, reduce energy cost and environmental impact, and improve performance Effect

Active Publication Date: 2012-11-28
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] When many femtocells are deployed in an area, they will sufficiently cause total radio transmission interference and can degrade the quality of the radio environment in the macrocell and the general performance of the cellular system in the area

Method used

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  • Energy efficient base station entering sleep mode
  • Energy efficient base station entering sleep mode
  • Energy efficient base station entering sleep mode

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Embodiment Construction

[0030] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey to those skilled in the art scope of the invention. In the drawings, like reference numerals indicate like elements.

[0031] In addition, those skilled in the art will appreciate that the components and functions described herein below can be implemented using software functioning in conjunction with a programmed microprocessor or general purpose computer and / or using application specific integrated circuits (ASICs). It will also be understood that although the invention has been described primarily in the form of methods and apparatus, the invention c...

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Abstract

The basic idea of the present invention is to let the base station enter a low- power, low-radiation cycle, the so called "sleep mode", when there are no UEs using it and to introduce methods to "wake up" the base station from this state when there is a UE in the vicinity which is allowed to access the base station and which may need it on short notice.

Description

technical field [0001] The present invention relates to methods and arrangements for interference reduction and energy saving in cellular telecommunication systems. Background technique [0002] In the third generation (3G) Universal Mobile Telecommunications System (UMTS), specifically in its evolved version System Architecture Evolution / Long Term Evolution (SAE / LTE), also known as Evolved Packet System (EPS), the introduction of femtocells concept. In 3G, a home base station is called a Home Node B (HNB), while in EPS it is called a Home eNodeB (HeNB). A cell served by a HNB or HeNB is generally referred to as a femtocell. Assume that the femtocell is placed in a private home and uses the home owner's fixed broadband connection to access the core network. It is also assumed that the home owner handles the actual physical installation of the femtocell. Therefore, it is not possible to plan the deployment of femtocells as it is largely outside the operator's control. An...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W88/08
CPCH04W52/0241Y02B60/50H04W68/02H04W88/08H04W52/0206H04W84/045H04W76/28Y02D30/70H04M15/7657H04W24/02
Inventor J·鲁尼J·维克伯格T·尼兰德
Owner TELEFON AB LM ERICSSON (PUBL)
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