WO2011131068A2 - Procédé et système pour faire des économies d'énergie dans un réseau sans fil - Google Patents

Procédé et système pour faire des économies d'énergie dans un réseau sans fil Download PDF

Info

Publication number
WO2011131068A2
WO2011131068A2 PCT/CN2011/071970 CN2011071970W WO2011131068A2 WO 2011131068 A2 WO2011131068 A2 WO 2011131068A2 CN 2011071970 W CN2011071970 W CN 2011071970W WO 2011131068 A2 WO2011131068 A2 WO 2011131068A2
Authority
WO
WIPO (PCT)
Prior art keywords
base station
network element
energy consumption
decision
cell
Prior art date
Application number
PCT/CN2011/071970
Other languages
English (en)
Chinese (zh)
Other versions
WO2011131068A3 (fr
Inventor
和峰
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011131068A2 publication Critical patent/WO2011131068A2/fr
Publication of WO2011131068A3 publication Critical patent/WO2011131068A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a method and system for implementing energy saving in a wireless network. Background technique
  • 3GPP 3rd Generation Partnership Project
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • FIG. 1 is a schematic diagram of an existing LTE network architecture, as shown in FIG. 1 , which is composed of an Evolved Universal Terrestrial Radio Access Network ( E-UTRAN) Evolved Packet Core ( EPC).
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • EPC Evolved Packet Core
  • the network is flattened.
  • the E-UTRAN is connected to the EPC through the SI interface.
  • the E-UTRAN is connected by a plurality of An evolved base station (eNB, Evolved NodeB) is configured, and each eNB is connected through an X2 interface;
  • the EPC is composed of a Mobility Management Entity (MME) and a Serving Gateway (S-GW).
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • the UMTS is composed of a core network (CN, Core Network) and a Universal Terrestrial Radio Access Network (UTRAN), wherein the UTRAN is configured by a radio network controller. (RNC, Radio Network Controller) and base station Node B (or called Node B), the two are connected through the lub port.
  • RNC Radio Network Controller
  • Node B base station Node B
  • the RNCs can be interconnected through the Iur port, and the RNC is connected to the core network through the Iu port.
  • the number of access network devices is very large. Therefore, the energy consumption of the access network accounts for most of the energy saving requirements of the entire network.
  • it is mainly to adopt new energy-saving and environmental protection devices and improve the heat dissipation materials to reduce the power consumption of the base station and reduce the power consumption caused by heat dissipation.
  • this method has the following problems: The use of such devices increases the manufacturing cost of the base station, and a large number of base stations that do not use such devices fail to achieve energy saving. Therefore, the current energy saving is mostly achieved by cell on/off.
  • the wireless networks in both UMTS and LTE systems use a timely on/off cell to save power.
  • the RNC can notify a certain Node B through a Cell Configuration Request message. Entering or leaving the sleep mode (Enter/leave Dormant Mode) to activate/deactivate the power-saving mode; in the LTE system, one or some cells under the evolved base station eNB can actively enter the power-saving mode. It is also possible to wake up another eNB (or a cell under its jurisdiction) that has entered the power saving mode in order to reduce the network load.
  • the current decision to determine the entry/exit energy-saving status of a cell under a certain base station or base station is mainly based on the load information of the cell, that is, when the load of a certain base station (or cell) is lower than the preset width.
  • the base station or a certain cell under the jurisdiction
  • load information of a neighboring base station or a cell can be obtained through a Resource Status Report.
  • the load status cannot be directly used to measure energy consumption, because energy consumption is also related to many other factors, such as the state of the base station, the cooling equipment (such as air conditioning) related to the base station, and therefore, the existing community is turned on/off.
  • the main purpose of the present invention is to provide a method and system for implementing energy saving in a wireless network, which can accurately grasp the energy consumption status of the wireless network, thereby reasonably determining which base stations or cells enter the energy-saving state in a timely manner, and finally achieve the most energy-saving state. Good state.
  • a method for implementing energy saving in a wireless network including:
  • the base station reports its own energy consumption information to the decision network element
  • the decision network element determines the cell status under the jurisdiction of the base station according to the reported energy consumption information.
  • the energy consumption information includes one or more of the following: power consumption, ambient temperature.
  • the energy consumption information further includes one of a number of radio frequency units of the cell under the control of the base station or the base station, one of the number of power amplifiers in the radio frequency module, and the number of antennas.
  • the decision network element maintains OAM for operation management
  • the decision network element is an RNC
  • the decision network element is a neighboring base station.
  • the method also includes:
  • the base station also reports radio resource status information of the cell;
  • the determining network element determines a cell status under the jurisdiction of the base station according to the obtained radio resource status information and the energy consumption information.
  • the method for reporting is: the base station actively initiates, or the decision network element initiates by requesting reporting by the base station.
  • the reported message is an existing message or a newly added message
  • the existing message is: an audit response message in UTRAN, or a resource status response message in E-UTRAN, or a direct transfer message between systems.
  • Determining a decision policy in the decision network element; determining the cell status under the jurisdiction of the base station includes:
  • the determining whether the cell enters or leaves the power saving state is: the cell is turned off/on, or the transmit power is decreased/increased, or the carrier frequency is turned off/on, or the number of radio antennas is reduced/increased.
  • a system for implementing energy saving in a wireless network comprising at least a base station and a decision network element, where the base station is configured to report its own energy consumption information to the decision network element;
  • the determining network element is configured to determine, according to the reported energy consumption information, a cell status under the jurisdiction of the base station.
  • the decision network element is further configured to send a request for reporting energy consumption information to the base station.
  • the decision network element is a decision network element in the network where it is located or in other networks.
  • the decision network element is OAM; or
  • the decision network element is an RNC; or, for the E-UTRAN network of the LTE system, the decision network element is a neighboring base station.
  • the base station is further configured to report radio resource status information of the cell.
  • the determining network element is specifically configured to determine, according to the obtained radio resource status information and the energy consumption information, a cell status under the jurisdiction of the base station.
  • the energy consumption information includes one or more of the following: power consumption, ambient temperature.
  • the energy consumption information further includes one of the number of radio frequency units of the cell under the jurisdiction of the base station or the base station, the number of power amplifiers in the radio frequency module, and the number of antennas.
  • the base station reports its own energy consumption information to the decision network element, and the decision network element determines the cell status under the jurisdiction of the base station according to the reported energy consumption information, where the energy consumption information may include the following Kind or more: power consumption, ambient temperature, etc.
  • the operator accurately grasps the energy consumption status of the wireless network, thereby reasonably determining which base stations or cells enter the energy-saving state in a timely manner, and finally achieves the optimal state of energy saving.
  • the operator also obtains the running status of each base station in time, thereby realizing flexible adjustment of network parameter configuration, thereby optimizing device performance.
  • FIG. 1 is a schematic diagram of an existing LTE network architecture
  • FIG. 2 is a schematic structural diagram of a conventional UMTS
  • FIG. 3 is a flowchart of a method for implementing energy saving in a wireless network according to the present invention
  • FIG. 4 is a schematic structural diagram of a system for implementing energy saving in a wireless network according to the present invention.
  • FIG. 5 is a schematic diagram of network coverage in an embodiment of the present invention. detailed description
  • FIG. 3 is a flowchart of a method for implementing energy saving in a wireless network according to the present invention. As shown in FIG. 3, the method includes: Step 300: A base station reports its own energy consumption information to a decision network element.
  • the decision network element can be OAM (Operation Administration Maintenance).
  • OAM Operaation Administration Maintenance
  • the decision network element may also be an RNC;
  • the decision network element may also be a neighboring base station; for a network scenario where multiple systems are deployed simultaneously, that is, at some
  • the decision network element is a decision network element in its own network or in other networks.
  • it may be an RNC in a UMTS system or an evolved base station in an LTE system. eNB Wait.
  • the reporting process may be initiated by the base station, or may be initiated by the determining network element by requesting reporting.
  • the triggering mode initiated by the base station may also be based on time triggering, or according to the manner in which the energy consumption of the base station is lower than a certain threshold.
  • the reported message can use existing messages, such as: Audit Response message in UTR AN, or Resource Status Report message in E-UTRAN, or direct transmission message between systems ( For example, RIM); the reported message can also be used to add a new report message.
  • the report information of the corresponding base station or the base station may also be included in the report message.
  • the energy consumption information refers to the energy consumption of the work of the cell under the jurisdiction of the base station or the base station.
  • the energy consumption information represents the amount of energy consumed by the cell under the jurisdiction of the base station or the base station.
  • the energy consumption information may include one or more of the following: Power consumption, ambient temperature, etc. among them:
  • the power consumption may be the power (unit: watt) or power consumption (unit: kWh) information of the cell under the jurisdiction of the base station or the base station, or may be part or all of the equipment in the base station room where the base station is located (including the base station and the radio frequency). Power consumption or power consumption of modules, other peripherals such as cooling equipment, etc.
  • the power information can be the current instantaneous power, or the average power or power consumption for a certain period of time.
  • the power consumption can directly use the actual power value, or report the unified coded indication information, for example, using an integer between 0 and 100, 0 means that the power consumption is lower than the minimum threshold, 100 Indicates that the power consumption is above the maximum threshold, and other values represent other power consumption levels between the two thresholds, or use other representations.
  • the ambient temperature may be temperature information of important module components inside the base station, such as CPU temperature or RF module temperature, or temperature information of a specific observation point in the base station.
  • the temperature information can be the current instantaneous temperature, or an average temperature value over a certain period of time.
  • the temperature information can be directly used to the actual temperature value, or the unified coded indication information can be reported, for example, using an integer between 0 and 100, 0 means the temperature is lower than the minimum threshold, and 100 means the temperature is high. At the maximum threshold, other values represent other temperatures between the two thresholds Small, or use other means of representation.
  • the energy consumption information may further include: one or more of the number of radio units of the cell under the jurisdiction of the base station or the base station, the number of power amplifiers in the radio frequency module, and the number of antennas, and the information may represent the radio frequency of the base station. The amount of energy consumed.
  • Step 301 The decision network element determines, according to the reported energy consumption information, a cell status under the jurisdiction of the base station.
  • the cell status includes entering or leaving the power saving state, which may be implemented by means of cell off or on, or reducing/increasing the transmit power, or turning off/on the carrier frequency, or reducing/increasing the number of radio frequency antennas. To achieve the purpose of energy saving.
  • a decision strategy is preset in the decision network element for comprehensively considering the energy consumption information, for example, setting weight evaluation criteria for various energy consumption information, for example, the greater the weight, the higher the energy consumption, and the The cell under the highest energy consumption base station is turned off to achieve energy saving purposes.
  • the energy consumption information for example, setting weight evaluation criteria for various energy consumption information, for example, the greater the weight, the higher the energy consumption, and the The cell under the highest energy consumption base station is turned off to achieve energy saving purposes.
  • the operator accurately grasps the energy consumption status of the wireless network, thereby reasonably determining which base stations or cells enter the energy-saving state in a timely manner, and finally achieves the best state of energy saving.
  • the operator also obtains the running status of each base station in time, thereby implementing flexible adjustment of network parameter configuration, thereby optimizing device performance.
  • the system of the present invention further provides a system for implementing energy saving in a wireless network, as shown in FIG. 4, which includes at least a base station and a decision network element, where
  • the base station is configured to report its own energy consumption information to the decision network element.
  • the determining network element is configured to determine, according to the reported energy consumption information, a cell status under the jurisdiction of the base station.
  • the decision network element is further configured to send a request for reporting energy consumption information to the base station.
  • the decision network element can be OAM.
  • the decision network element may also be an RNC; for the E-UTRAN network of the LTE system, the decision network element may also be a neighboring base station; for a network scenario where multiple systems are simultaneously deployed, that is, at some When a local area is deployed in multiple networks such as UMTS and LTE, the decision network element may be a decision network element in other networks.
  • it may be an RNC in a UMTS system, an evolved base station eNB, or the like in an LTE system.
  • the base station is further configured to report radio resource status information of the cell, where the determining network element is configured to determine, according to the obtained radio resource status information and the energy consumption information, a cell status under the jurisdiction of the base station.
  • FIG. 5 is a schematic diagram of network coverage according to an embodiment of the present invention.
  • cell A, cell B, cell C, and cell D are four cells belonging to different base stations, that is, respectively belong to base station eight, base station B, Base station C and base station D.
  • the network coverage in FIG. 5 is taken as an example for description.
  • the RNC1 is a decision network element, including: First, the RNC1 respectively goes to the base station A, The base station B, the base station C, and the base station D send an audit request (Report Request) message, and the base station is required to report the energy consumption information.
  • the base station A, the base station B, the base station C, and the base station D respectively report the energy consumption information of the respective base stations to the RNC1 through an audit response ( Audit Response) message, where the energy consumption information includes: power consumption of each base station (assumed to be each The average power of the base station in the most recent unit time is 2.2kw, 1.0kw, 1.2kw, 1.6kw; the ambient temperature of each base station is 23 degrees Celsius (°C: ), 26°C, 29 °C, 33 ° C; and the number of radio frequency antennas in each base station are 4, 2, 4, and 8, respectively.
  • the RNC1 sets a weighting evaluation criterion according to comprehensively considering the energy consumption information, for example, respectively, for each energy information: When the power is less than lkw, the weight is 0, and the weight of each O.lkw is increased by 1; when the ambient temperature is lower than 20 °C, the weight is 0, and the weight is increased by 1 for each 1 °C; when the number of antennas is 1, the weight is the lowest. 0, the weight of each additional antenna is increased by 1.
  • the weights of the respective base stations are calculated as 18, 7, 14, 26, respectively, wherein the greater the weight, the higher the energy consumption.
  • the base station D has the highest energy consumption among the four base stations. Therefore, the RNC1 decides to notify the cell D under the base station D to be closed, thereby achieving energy saving purposes.
  • the E-UTR AN network is taken as an example, where the base station is an evolved base station, that is, an eNB, and the assumed decision network element is the base station A, including:
  • the base station A sends a resource status request (Resource Status Request) message to the evolved base station B, the base station C, and the base station D, and requires the energy consumption information of the base station B, the base station C, and the base station D, and simultaneously requests the wireless of the cell to be reported.
  • Resource status information is a resource status request (Resource Status Request) message.
  • the energy consumption information includes: The temperature information of each base station CPU is 36°C, 32°C, and 30°C respectively; the power consumption of each base station is lkw, 1.2kw, and 1.3kw respectively; the cell radio resource status information includes: The cell downlink guaranteed bit rate physical resource utilization (DL GBR PRB usage) is 18, 17, 20 (the value represents the percentage value of the utilization).
  • DL GBR PRB usage The cell downlink guaranteed bit rate physical resource utilization
  • the base station A determines the energy-saving state of each base station according to the received energy consumption information reported by the base station C and the base station D, and the physical resource utilization rate of the downlink downlink guaranteed bit rate. For example: the evaluation criteria for each priority weight, the priority weight is 0 when the resource utilization rate is 100, and the priority is 1 when the utilization rate is decreased by 1; the lowest weight is 0 when the power consumption is less than lkw, each increment is 0. The lkw weight is increased by 1; when the ambient temperature is lower than 20 °C, the weight is at least 0, and the weight is increased by 1 for every 1 °C increase.
  • the weights of each base station are calculated as 98, 97 and 93 respectively, wherein the greater the weight, the higher the energy saving priority.
  • the C energy consumption is the highest among the three base stations. Therefore, the base station A notifies the cell C under the base station C to be closed, thereby achieving energy saving purposes.
  • the E-UTR AN network is taken as an example, wherein the base station is an evolved base station, that is, an eNB, and the decision network element is an OAM, including:
  • the base station A, the base station B, the base station C, and the base station D periodically report their respective power consumption information to the OAM.
  • the energy consumption information includes the temperature information of the base station, such as the base station VIII, the base station B, and the base station.
  • the temperatures of C and base station D are 50 ° C:, 32 ° C, 38 ° C and 42 ° C, respectively, where the temperature can be The average temperature measured by the base station equipment;
  • the OAM Based on the received energy consumption information reported by the base station 8, the base station B, the base station C, and the base station D, the OAM considers that the temperature of the base station A is too high, and notifies the cell A under the base station A to reduce the transmission power according to a preset decision policy.
  • the fourth embodiment is exemplified by a UTRAN network and an E-UTRAN network, where the base station A is a base station in the UTRAN network and is connected to the RNC 2, and the RNC 2 is a decision network element, and the base station B, the base station C, and the base station D are E.
  • the eNB in the UTRAN network is generally described as follows:
  • the base station B, the base station C, and the base station D report the respective energy consumption information to the RNC 2 through the direct transmission RIM message between the systems at a fixed time every day (for example, 10:00 pm); at the same time, the base station A also consumes the energy consumption information of the base station.
  • the new energy consumption report message is reported to RNC2.
  • the power consumption information of the base station B, the base station C, and the base station D includes: power consumption of each base station, respectively, lkw, 1.2kw, and 1.6kw;
  • the RNC2 After receiving the energy consumption information reported by the base station A, the base station B, the base station C, and the base station D, the RNC2 assumes that the energy consumption of the base station D is the largest. Therefore, the cell D under the base station D is notified to be closed, thereby achieving energy saving.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un système pour faire des économies d'énergie dans un réseau sans fil. Une station de base communique ses informations de consommation d'énergie à un élément de réseau de décision. L'élément de réseau de décision détermine, en fonction des informations de consommation d'énergie communiquées, l'état de la cellule sous le contrôle de la station de base, les informations de consommation d'énergie pouvant comprendre une ou plusieurs des données suivantes : consommation d'électricité, température ambiante, etc. Le procédé de l'invention permet à des fournisseurs de fonctionnement de connaître l'état exact de la consommation d'énergie dans le réseau sans fil, et ainsi de déterminer raisonnablement quelles stations de base ou cellules doivent être mises à l'état d'économie d'énergie au bon moment, de façon à obtenir le meilleur état d'économie d'énergie. Les fournisseurs de fonctionnement peuvent également acquérir l'état de fonctionnement de chaque station de base dans le temps, de façon à obtenir un ajustement flexible de la configuration des paramètres réseau et à optimiser la performance du dispositif.
PCT/CN2011/071970 2010-04-20 2011-03-18 Procédé et système pour faire des économies d'énergie dans un réseau sans fil WO2011131068A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010153021.9 2010-04-20
CN201010153021.9A CN102238591B (zh) 2010-04-20 2010-04-20 一种无线网络实现节能的方法及系统

Publications (2)

Publication Number Publication Date
WO2011131068A2 true WO2011131068A2 (fr) 2011-10-27
WO2011131068A3 WO2011131068A3 (fr) 2014-08-21

Family

ID=44834553

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/071970 WO2011131068A2 (fr) 2010-04-20 2011-03-18 Procédé et système pour faire des économies d'énergie dans un réseau sans fil

Country Status (2)

Country Link
CN (1) CN102238591B (fr)
WO (1) WO2011131068A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103875273B (zh) * 2012-06-29 2017-11-24 华为技术有限公司 制式网络的关闭方法、装置和系统
WO2017000104A1 (fr) * 2015-06-29 2017-01-05 华为技术有限公司 Appareil, système et procédé de régulation d'économie d'énergie destinés à un dispositif de station
CN106412930A (zh) * 2016-10-09 2017-02-15 上海斐讯数据通信技术有限公司 一种基于天线的无线ap节能方法及其装置
CN112243285B (zh) * 2019-07-16 2023-04-14 中国移动通信集团重庆有限公司 基站节能方法及装置
CN113438666B (zh) * 2021-06-10 2023-10-03 中国联合网络通信集团有限公司 一种基站确定方法及设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101080047A (zh) * 2007-06-22 2007-11-28 清华大学 一种应用于gsm基站的节能方法
CN101420790A (zh) * 2008-11-24 2009-04-29 华为技术有限公司 一种降低功率消耗的方法、基站

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100341355C (zh) * 2003-11-19 2007-10-03 华为技术有限公司 一种提高基站及外延设备高温工作能力的方法
CN1763679A (zh) * 2004-10-20 2006-04-26 华为技术有限公司 一种基站通讯机房温控系统及其实现温度控制的方法
US8705375B2 (en) * 2007-05-24 2014-04-22 Nokia Corporation Power save protocol interoperability detection
CN101344777B (zh) * 2007-07-10 2011-06-08 日照立德电子科技有限公司 控制移动通讯基站温度监控系统的方法
CN101111013B (zh) * 2007-08-17 2011-06-22 中兴通讯股份有限公司 一种基站功耗动态控制方法及控制系统
CN201322861Y (zh) * 2008-11-24 2009-10-07 中国移动通信集团安徽有限公司 基站通信设备控制装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101080047A (zh) * 2007-06-22 2007-11-28 清华大学 一种应用于gsm基站的节能方法
CN101420790A (zh) * 2008-11-24 2009-04-29 华为技术有限公司 一种降低功率消耗的方法、基站

Also Published As

Publication number Publication date
CN102238591A (zh) 2011-11-09
CN102238591B (zh) 2016-09-28
WO2011131068A3 (fr) 2014-08-21

Similar Documents

Publication Publication Date Title
Liu et al. Small cell base station sleep strategies for energy efficiency
Budzisz et al. Dynamic resource provisioning for energy efficiency in wireless access networks: A survey and an outlook
TWI596966B (zh) Energy-saving method in mobile communication system
WO2012028015A1 (fr) Procédé et système de commande d'économie d'énergie pour réseau sans fil
US9294995B2 (en) Activate ES cell for particular UE(s)
EP2371168B1 (fr) Procédé et station de base pour l'économie d'énergie
CN103947261B (zh) 使用黑名单或白名单的小区选择
US9369956B2 (en) Base station in cellular network system and sleep control method for base station
KR101218143B1 (ko) 기지국의 저전력 운용 방법
WO2010104143A1 (fr) Système de communication sans fil, procédé, station de base sans fil et station de commande
WO2012019547A1 (fr) Procédé de traitement de commande de cellule à économies d'énergie et station de base
JP2010517341A (ja) 端末装置をマクロセルにハンドオーバするための方法、システム、端末装置、アクセスノード、およびゲートウェイ
WO2011140941A1 (fr) Procédé et dispositif permettant de mettre en œuvre la gestion de l'économie d'énergie entre cellules
EP2789194B1 (fr) Système de communication
WO2014142416A1 (fr) Procédé de prise en charge de réseau à auto-organisation sur la base d'une triangulation de delaunay et appareil associé
WO2011131068A2 (fr) Procédé et système pour faire des économies d'énergie dans un réseau sans fil
CN105532032A (zh) E-utra以及e-utran中用于小小区的能量节省功能
Zhang et al. A two-layer mobility load balancing in LTE self-organization networks
CN105554825B (zh) 一种HetNet系统中DRX状态下的小区选择方法和装置
Suárez et al. A multi‐criteria BS switching‐off algorithm for 5G heterogeneous cellular networks with hybrid energy sources
WO2021253434A1 (fr) Procédé et appareil de traitement d'informations, et dispositif de communication et support de stockage
Lee et al. Delaunay triangulation based green base station operation for self organizing network
Bhuvaneswari et al. Improving energy efficiency in LTE‐A networks with the reduction of failure rate in eNB components
Xinyu et al. Energy efficient load balancing in LTE self-organization networks
Shin et al. Siesta: Software-defined energy efficient base station control for green cellular networks

Legal Events

Date Code Title Description
122 Ep: pct application non-entry in european phase

Ref document number: 11771521

Country of ref document: EP

Kind code of ref document: A2