Method for notifying energy-saving status and evolved base station
A technology of energy-saving state and evolution base station, applied in the direction of energy consumption reduction, wireless communication, sustainable communication technology, etc., can solve the problems of system operation impact, reduce system energy-saving efficiency, system stability, operation cannot be carried out normally, etc., to improve the use of Experience, improve energy-saving efficiency, and avoid the effect of impact
Active Publication Date: 2018-04-27
ZTE CORP
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[0004] However, eNB currently does not provide two types of notifications for energy saving compensation activation and energy saving compensation deactivation to neighboring eNBs. In this way, when a certain cell A needs to perform load balancing or other service operations, it does not know that its neighboring cells are in the state of energy saving compensation , the cell A may use the neighboring cell in the energy-saving compensation state as a service candidate cell. If the cell in the energy-saving compensation state is finally selected to provide service operations for cell A, the operation may not be performed normally due to the energy-saving state. In some cases, or there is a situation where the selected cell needs to be activated before it can operate normally, this will have a certain impact on the operation of the system, thereby reducing the energy saving efficiency of the system, the stability of the system, and affecting the user experience
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[0028] The basic idea of the present invention is: when an eNB manages a cell in an energy-saving compensation activation state and / or in an energy-saving compensation deactivation state, the eNB sends an energy-saving state notice of the self-managed cell to a neighboring eNB.
[0029] Specifically, when a cell in the cell managed by the eNB enters the energy saving compensation activation state, the eNB sends a notification to the neighboring eNB that the cell it manages is in the energy saving compensation activation state; and / or when a cell in the eNB management cell enters the energy saving compensation deactivation In the state, the eNB sends a notification to the neighboring eNB that the cell it manages is in the energy saving compensation deactivation state;
[0030] Here, the sending is to first write the notification of the energy saving state according to the format of the X2 interface signaling, and then send the written notification of the energy saving state; t...
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The invention discloses a method for notifying an energy-saving state, which includes: when an evolved base station (eNB) confirms that a cell under its management enters into an energy-saving compensation activation state and / or a cell enters an energy-saving compensation deactivation state, the eNB sends a notification to a neighboring eNB. Send the energy-saving status notification of the self-management cell. The invention also discloses an eNB at the same time, the energy saving efficiency of the system can be improved and the stability of the system can be improved by adopting the invention.
Description
technical field [0001] The present invention relates to energy-saving technology in a mobile communication system, in particular to an energy-saving state notification method and an evolved base station (eNB). Background technique [0002] Mobile communication technology has been deployed and applied more and more with its open network system architecture. With the popularization of mobile communication technology, as well as the global greenhouse effect and climate change, network operators are paying more and more attention to the energy-saving technology of mobile communication systems . For energy-saving technology, the 3rd Generation Partnership Project (3GPP) protocol based on the third generation (3G) mobile communication technology defines four cell energy-saving states: energy-saving activation, energy-saving deactivation, energy-saving compensation activation and energy-saving compensation deactivation. The Long-Term Evolution (LTE) project is a new technology res...
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IPC IPC(8): H04W52/02H04W76/27
CPCH04W52/0206Y02D30/70
Inventor 朱永升杜高鹏卫建国
Owner ZTE CORP