WO2010102581A1 - Procédé, appareil et système réseau appliqués à la réduction de la consommation énergétique et à l'activation d'une station mobile - Google Patents

Procédé, appareil et système réseau appliqués à la réduction de la consommation énergétique et à l'activation d'une station mobile Download PDF

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Publication number
WO2010102581A1
WO2010102581A1 PCT/CN2010/071016 CN2010071016W WO2010102581A1 WO 2010102581 A1 WO2010102581 A1 WO 2010102581A1 CN 2010071016 W CN2010071016 W CN 2010071016W WO 2010102581 A1 WO2010102581 A1 WO 2010102581A1
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Prior art keywords
base station
cell
carrier frequency
tracking area
saving mode
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PCT/CN2010/071016
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English (en)
Chinese (zh)
Inventor
王学龙
牛卫国
张宏卓
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华为技术有限公司
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Publication of WO2010102581A1 publication Critical patent/WO2010102581A1/fr
Priority to ZA2011/07493A priority Critical patent/ZA201107493B/en

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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
    • 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 application claims to be filed on March 12, 2009, the Chinese Patent Office, application number 200910128412.2, the invention entitled "Base station energy saving and activation method, network device, activation device and network system The priority of the Chinese Patent Application, the entire contents of which is incorporated herein by reference.
  • the present invention relates to the field of mobile communications technologies, and in particular, to a method for power saving and activation of a base station, and a network device, an activation device, and a network system.
  • BACKGROUND Currently, a carrier frequency in a cell in a wireless communication network is always turned on after being deployed and put into operation.
  • An aspect of the present invention provides a method for activating a base station, including: determining whether a carrier frequency or a cell or a base station or a tracking area in a power saving mode satisfies an activation condition, if the carrier frequency or cell or base station or tracking in the energy saving mode The area satisfies the activation condition, and activates the carrier frequency or cell or base station or tracking area in the power saving mode.
  • An aspect of the present invention provides a method for saving energy of a base station, including: when a base station moves a carrier frequency or a cell or a base station or a tracking area to a target energy saving mode, and sends current energy saving state information to the neighboring node; An indication of a carrier frequency or cell or base station or tracking area transitioning to a target power saving mode, and/or a cause value of the migration, and/or an identification of the carrier frequency or cell or base station or tracking area, and/or the carrier frequency Or current capability information of the cell or base station or tracking area.
  • An aspect of the present invention provides a method for saving energy of a base station, including: if a carrier frequency or a cell or a base station or a tracking area meets a condition for migrating to a power saving mode, determining a target energy saving mode of the carrier frequency or a cell or a base station or a tracking area, The carrier frequency or cell or base station or tracking area migrates to the target power saving mode.
  • another aspect of the present invention provides a network device, including: a determining unit, configured to determine whether a carrier frequency or a cell or a base station or a tracking area meets a condition for migrating to a power saving mode; and an energy saving mode determining unit, configured to determine the a target power saving mode to which the carrier frequency or the cell or the base station or the tracking area is migrated; and a migration unit configured to migrate the carrier frequency or the cell or the base station or the tracking area to the target power saving mode.
  • an activation apparatus including: a determining unit, configured to determine whether a carrier frequency or a cell or a base station or a tracking area in a power saving mode satisfies an activation condition; and an activation unit, configured to: When the judgment unit determines that the result is YES, the carrier frequency or the cell or the base station or the tracking area in the power saving mode is activated.
  • another aspect of the present invention provides a network system, where the network system includes a base station, configured to send a current energy-saving state information to an adjacent node after the carrier frequency or the cell or the base station or the tracking area is migrated to the target energy-saving mode;
  • the status information includes: an indication of the carrier frequency or cell or base station or tracking area transitioning to the target power saving mode, and/or a cause value of the migration, and/or an identification of the carrier frequency or the cell or the base station or the tracking area, and/or Current capacity information of the above carrier frequency or cell or base station or tracking area.
  • the carrier frequency is switched to the target energy-saving mode according to the working state of the carrier frequency, so that the carrier frequency in the cell can be energy-efficiently processed according to the actual working condition, thereby reducing
  • the energy consumption of the community reduces the operating costs of operators and promotes environmental protection.
  • 1 is a schematic diagram of a method for saving a base station according to an embodiment of the present invention
  • 2 is a schematic diagram of configuring an attribute value of a cell carrier frequency by using OAM in an embodiment of the present invention
  • FIG. 4 is a schematic diagram of notifying a neighboring power saving mode to a target power saving mode to which a carrier frequency is switched in an embodiment of the present invention
  • FIG. 5 is a schematic diagram of switching activation using an X2 interface according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of switching activation using an S1 interface in an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a network device according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an activation device according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a network system according to an embodiment of the present invention.
  • This embodiment provides a method for energy saving in a cell.
  • the method in this embodiment includes the following content.
  • each working mode corresponds to a working mode of the carrier frequency, wherein other working modes may be called except that the carrier frequency does not perform any energy-saving working mode.
  • the energy saving mode the following is referred to as the energy saving mode.
  • the carrier frequency of the different energy-saving modes is different.
  • the following work modes can be defined.
  • Operating mode 0 The carrier frequency in this operating mode is not energy efficient.
  • Work Mode 1 Includes specific business restrictions and limited user restrictions. In this working mode In order to save resources, it will only be able to provide specific services, or only provide services to specific users.
  • a specific service restriction may be to limit a specific type of service access, such as restricting VOIP (VoIP over Internet Protocol) services, high-speed data service access, etc., or providing only specific services, such as providing only VOIP services.
  • the specific user may be restricted to restrict specific user access, such as restricting low priority user access; or may only provide services to specific users, such as providing services only to gold users.
  • Operating mode 2 The carrier frequency is off. The carrier frequency in this mode of operation is completely turned off and there is no energy consumption.
  • the definition of the working mode of the carrier frequency may not be limited to the three working modes described above, and the specific definition of the working mode is also different.
  • the specific definition of the working mode does not constitute a pair. Limitations of inventive embodiments.
  • the power saving mode to be migrated is referred to as a target power saving mode.
  • the trigger condition for migrating to the target power save mode can follow one of the following principles or any combination.
  • Event triggering principle refers to the shutdown of the carrier frequency triggered by a predetermined event when the condition is met. For example, based on the event information triggering, when the load on the carrier frequency is less than or equal to the preset first threshold, the carrier frequency is triggered to migrate to the target energy saving mode.
  • the load may be a physical resource block (PRB) resource occupancy rate, an active state user number, and an idle state user number.
  • the number of users in the idle state can be estimated by counting the number of user equipments (UEs) updated by the Tracking Area (TA).
  • the first threshold of these events can be pre-configured by OAM (Operation and Maintenance). The value of the first threshold is determined according to the carrier policy and the network planning data, which is not limited in the embodiment of the present invention.
  • the first threshold is 0, it means that the carrier frequency is triggered to migrate to the target energy-saving mode when there is no load at all on the carrier frequency. If the trigger threshold is not 0, consider the neighbor before starting the carrier frequency migration to the target energy-saving mode. The load situation of the carrier or other carrier frequency in the same cell. After the cell/base station is turned off, the situation that the neighboring cell/base station is overloaded is caused.
  • the principle is that the number of UEs using a certain type of service on the carrier frequency is less than or equal to a predetermined load threshold for a certain period of time, which is hereinafter referred to as a second threshold.
  • a predetermined load threshold for a certain period of time, which is hereinafter referred to as a second threshold.
  • the carrier frequency is triggered to be migrated to the target energy-saving mode.
  • the principle of periodic triggering refers to triggering cell migration to the target energy-saving mode when the time reaches the preset time.
  • the period triggered by the initial configuration of the traffic model can be made during the network planning phase.
  • the trigger period can also be dynamically configured according to various performance indicators of the network and actual traffic statistics during the network operation phase.
  • Method 1 Static configuration method.
  • Static configuration method When the cell planning is performed, whether the carrier frequency can be migrated to the target energy saving mode is determined according to the geographical location information of the planned cell and the coverage information of the geographic location. For example, if there is another cell providing inter-frequency or different system coverage within the carrier frequency coverage of a certain cell, it is determined that the carrier frequency can be migrated to the target energy-saving mode. However, it is necessary to avoid that all cells in the geographical location are migrated to the fully-off energy-saving mode.
  • an attribute value may be maintained for the carrier frequency in advance, which may be referred to as a migratable attribute value, and the attribute value indicates whether the carrier frequency can be migrated to the energy saving mode.
  • the attribute value may be configured in the base station of the corresponding cell, and configured by using OAM. Specifically, the following content is included as shown in FIG. 2.
  • the OAM 202 utilizes configuration management of an interface between the OAM 202 and the base station 201 (CM, The Configuration Management message sets the attribute value of the carrier frequency in each cell in the base station 201.
  • the base station 201 sends a configuration response message to the OAM 202 by using a configuration management message of an interface between the OAM 202 and the base station 201.
  • Method 2 Dynamic Decision Method.
  • the execution body of the foregoing determining action may be an OAM or a corresponding base station of a cell in which the carrier frequency is located.
  • an attribute value can also be maintained for the carrier frequency, and the attribute value indicates whether the carrier frequency can be migrated to the power saving mode. It is also necessary to avoid all cells in the geographic location being migrated to a fully powered power save mode.
  • the specific implementation of the dynamic decision method will be described in detail below by taking the above-mentioned attribute values for the carrier frequency as an example.
  • the value range of the foregoing attribute value may be defined to include “true” and “false”, respectively, and the corresponding carrier frequency may be migrated to the energy saving mode and may not be migrated to the energy saving mode.
  • the dynamic decision method may include:
  • the criterion for determining the criterion is whether there are other cells or base stations providing coverage of the inter-frequency/different system in the range covered by the cell carrier frequency.
  • the specific implementation method of the same coverage principle may be one or any combination of the following.
  • the UE measures the neighboring cell. If the signal quality of at least one neighboring cell in all the neighboring cells reported by the UE reaches a certain threshold, for example, greater than or equal to the third threshold, The coverage of the cell carrier frequency exists in other cells or base stations to provide coverage of the inter-frequency/different system. At this time, the base station reports this information to the OAM, and the OAM confirms the attribute of the carrier frequency to be "true"; or the base station Modify the properties of this carrier frequency yourself and notify OAM. b) based on the existing inter-frequency/different system neighboring cells in the neighboring cell list in the cell, and comprehensively judging the cell geographic information and the coverage information. As shown in FIG.
  • the radius of B after satisfying the above conditions, can be considered that the cell B satisfies the requirement of coverage, and the attribute value of the cell B indicating whether the carrier frequency can be migrated to the energy-saving mode can be set to "true".
  • the neighboring node includes all MMEs (Mobility Management Entities) in the neighboring base station, pool, or OAM. Where pool is a resource pool consisting of multiple MMEs.
  • the specific implementation of the foregoing notification neighbor node may include the following content.
  • the base station 401 corresponding to the cell in which the carrier frequency is migrated to the energy-saving mode sends a base station configuration update message to the adjacent node 402 such as the neighboring base station, the MME, or the OAM, and notifies the adjacent node 402 of the working mode after the carrier frequency switching in the cell.
  • the adjacent node 402 such as the neighboring base station, the MME, or the OAM
  • the message name of the "Base Station Configuration Update Message" may be different, as long as the message of the same or similar function can be completed.
  • the message carries an indication that the carrier frequency is migrated to the target power saving mode, or carries the reason value of the handover.
  • the message may also carry the cell identifier of the carrier, such as E-CRAN (E-UTRAN Cell Global Identifier), CGI (Cell Global Identifier), or PCI (Physical Cell Identity, Physical cell identification) and other information.
  • the message may also carry the current capability information of the cell, where the capability information includes, but is not limited to, a cell supporting capability and a cell supporting function.
  • the cell support function may include: whether to support automatic neighboring cell management, mobility optimization, interference coordination, load balancing and other self-organizing network functions and radio resource management functions, these cells are optional. 5402.
  • the neighboring node 402 saves the response configuration information and performs corresponding processing.
  • the corresponding processing includes: updating the status of the cell in the Neighbor Relation Table (NRT) table, and recording specific status information and cell capability information, where the capability information includes but is not limited to the cell supporting capability and the cell pair. Functional support capabilities. If the current working mode of all carrier frequencies of the cell is completely off, the neighboring node may also delete the cell.
  • the MME records the closed cell and its status in the TA according to the notification. If all carrier frequencies of all cells in the TA enter a fully-off mode of operation, subsequent paging is not initiated in this TA.
  • the neighboring node 402 sends a base station configuration update response message to the base station 401 corresponding to the cell where the carrier frequency of the target energy saving mode is migrated. This step is optional and can be exchanged with S402 for execution order. After the carrier frequency is migrated to the target energy-saving mode, the corresponding resource or interface may also be released according to the definition of the target energy-saving mode.
  • the method provided by the embodiment of the present invention may further include a process of activating a cell carrier frequency. The activation includes migrating from the energy saving mode to the working mode without energy saving, and may also include migrating to a power saving mode that is slightly less energy-saving than the current energy saving mode. The above activation process may include the following methods.
  • Method 1 The idle state user activates the carrier frequency of the cell.
  • the specific implementation includes: an idle state user actively initiates a service request, triggers activation of a cell carrier frequency in a connection establishment phase; or an idle state user receives a paging message sent by a network side, and triggers activation of a cell/base station when a paging response is sent.
  • Method 2 The switch command is activated. When the cell in which the carrier frequency is located receives the handover request command, the cell carrier frequency is activated.
  • the specific application may include the switch activation of the X2 interface and the switch activation of the S1 interface.
  • Figure 5 shows a schematic diagram of handover activation using the X2 interface.
  • the X2 interface is E-UTRAN (Evolved Universal Mobile Telecommunications System Territorial Radio Access Network) An interface between a base station and a base station in a network structure of an evolved universal mobile communication system. As shown in FIG. 5, the following contents are included.
  • E-UTRAN Evolved Universal Mobile Telecommunications System Territorial Radio Access Network
  • the base station 501 receives the carrier frequency activation command. S502. If the X2 interface transmission link has been released, reestablishing the neighboring base station 502.
  • the transmission link of the X2 interface that is, the SCTP (Stream Control Transmission Protocol) is coupled.
  • the base station 501 sends an X2 setup message to the neighboring base station 502, where the message carries a cell carrier frequency activation notification indication, or informs the neighboring base station 502 of the cell carrier frequency activation by a dedicated message.
  • the neighboring base station 502 sends an activation notification response message to the base station 501.
  • Figure 6 shows a schematic diagram of handover activation using the S1 interface.
  • the S1 interface is the interface between the base station and the MME or SAE (System Architecture Evolution) gateway in the E-UTRAN network structure. As shown in FIG. 6, the following contents are included.
  • the base station 601 receives the cell carrier frequency activation command. S602. If the transmission link of the S1 interface has been released, reestablish the transmission link of the S1 interface, that is, the SCTP coupling, to the MME 602.
  • the base station 601 sends an S1 setup message to the MME 602, where the message carries a cell carrier frequency activation notification indication; or the local carrier frequency activation is notified by a dedicated message.
  • the MME 602 sends an activation notification response to the base station 601.
  • Method 3 Network side activation. Other nodes of the network, such as neighboring base stations, MMEs, or OAMs, trigger activation through explicit signaling.
  • Method 4 Event Trigger Activation. After the traffic or load in the coverage of the cell in which the carrier frequency is located reaches a certain level (or threshold), for example, greater than a predetermined fourth threshold, the system triggers the activation process of the cell carrier frequency.
  • Method 5 Timed activation. When the preset activation time arrives, the carrier frequency is activated.
  • the cell can also notify the neighboring node or OAM.
  • OAM the object of the direct implementation of the working mode switching is the carrier frequency in the cell, and those skilled in the art should be able to understand that, in practical applications, the carrier frequency in the entire cell can also be switched overall.
  • Working mode 0 Normal working status.
  • the cell in this state does not perform energy saving.
  • Work mode 1 Specific business restrictions or specific users are limited. In order to save resource consumption, the cell in this state will only be able to provide specific services, or only provide services to specific users.
  • the specific service limitation may be to restrict certain types of specific service access, such as restricting VOIP services, high-speed data service access, etc., or only providing specific services, such as providing only VOIP services.
  • Specific user restrictions may be to restrict specific user access, such as restricting low-priority user access; or it may be to provide services only to specific users, such as providing services only to gold users.
  • Working mode 2 In the cell in this state, the transmission period of the downlink synchronization channel and the broadcast channel is extended. During the interim period of each transmission cycle, the downlink common channel will be stopped to save energy.
  • Mode of operation 3 The downlink channel is limited. In order to save energy consumption, the cell in this state closes the downlink channel, the uplink of the cell remains in the receiving state, the downlink of the cell closes all dedicated channels, and the downlink of the cell only keeps transmitting SCH (Synchronization Channel) and BCH (Broadcast Channel, The broadcast channel), that is, the cell still transmits the synchronization channel and the main system information block of the system in the downlink.
  • SCH Synchrom
  • BCH Broadcast Channel
  • Working mode 4 The specific channel is limited.
  • the carrier frequency in the working mode may only turn off the downlink data channel to reserve the common control channel, or turn off the uplink and downlink data channel to reserve the downlink control channel and the uplink random access channel. In this mode, each channel is considered separately.
  • Working mode 5 The cell/base station in this state, in addition to the attribute of the working mode 3, the X2/S1 interface link of the cell is also in the closed state.
  • Working mode 6 The cell is closed. The cell in this state will be completely shut down without any energy loss.
  • Operating mode 7 The carrier frequency is off.
  • a multi-carrier system in this state such as an LTE Advance (LTE-A) system, shuts down one or several sub-carrier frequencies, operates on a primary carrier frequency and other sub-carrier frequencies; or turns off all sub-carrier frequencies, running on On the main carrier frequency.
  • LTE-A LTE Advance
  • a multi-carrier frequency cell in this state such as a cell of a TD-SCDMA system, turns off one or several carrier frequencies, operates on a primary carrier frequency and other secondary carrier frequencies; or turns off all secondary carrier frequencies, and runs on the primary carrier. Frequency.
  • the definition of the working mode of the cell is related to the definition of the working mode of the internal carrier frequency, for example, when all the carrier frequencies in the cell are in the completely closed working mode, the current work of the cell
  • the mode should correspond to the cell shutdown.
  • switching the working mode of the cell can be completed by switching the working mode of the corresponding carrier frequency therein.
  • several working modes may be defined in advance, and these working modes are associated with the working mode of the corresponding cell. Therefore, switching the working mode of the base station can also be completed by switching the carrier frequency operating mode.
  • the concept of tracking area TA is introduced in the E-UTRAN network.
  • a tracking area is uniquely identified by a Tracking Area Code (TAC).
  • a tracking area may include one to more cells. Different cells within a base station may belong to different tracking areas. However, for practical convenience, in actual applications, one or more dry base stations are generally divided into one tracking area. In this way, several working modes can also be defined for the tracking area, and these working modes are related to the working mode of the base station, so the switching of the working mode of the tracking area can also be completed by switching the working mode of the carrier frequency.
  • the concept of Carrier Aggregation has been proposed in the LTE-A mobile communication system.
  • carrier aggregation The basic principle of carrier aggregation is to aggregate multiple carriers in an LTE-A mobile communication system to achieve a transmission bandwidth greater than 20 MHz.
  • Carrier aggregation is divided into two cases. One is that multiple LTE carriers are aggregated into a single LTE-A carrier, which is called inter-carrier aggregation. For example, five 20 MHz LTE carriers are aggregated into one LTE-A carrier with a bandwidth of 100 MHz. The other is the aggregation between multiple spectrum slices, called Spectrum Aggregation. It can be seen that the carrier aggregation can also be used to define the working mode, and the switching process of the carrier aggregation working mode can also be completed by switching the working mode of the carrier therein.
  • the cell when all the carrier frequencies in the cell meet the conditions for migrating to the energy-saving mode, the cell is triggered to switch to the target energy-saving mode of the cell; when all cells in the base station satisfy the condition of migrating to the energy-saving mode, the triggering device The base station is migrated to the target energy-saving mode of the base station; when all the base stations in the tracking area satisfy the condition of migrating to the energy-saving mode, the tracking area is triggered to migrate to the target energy-saving mode.
  • the carrier frequency is migrated to the target energy-saving mode according to the working state of the carrier frequency, so that the carrier frequency in the cell can be energy-efficiently processed according to the actual working condition, thereby reducing the cell's Energy consumption, reducing operators' operating costs and promoting environmental protection.
  • the embodiment provides a network device, where the network device 700 includes: a determining unit 701, an energy saving mode determining unit 702, and a migration unit 703.
  • the determining unit 701 is configured to determine whether the carrier frequency or the cell or the base station or the tracking area meets the condition for moving to the energy saving mode.
  • the energy saving mode determining unit 702 is configured to determine that the carrier frequency or the cell or the base station or the tracking area is migrated to. a target energy saving mode; a migration unit 703, configured to migrate the carrier frequency or a cell or a base station or a tracking area to the target power saving mode.
  • the network device provided in this embodiment may further include a service switching unit 704, configured to be located in the carrier frequency or the cell before switching the carrier frequency or the cell or the base station or the tracking area to the energy saving mode. Or the traffic on the base station or tracking area is switched to another carrier frequency or cell or base station or tracking area.
  • the network device 700 may further include a notification unit 705, configured to migrate the carrier frequency or the cell or the base station or the tracking area after the carrier frequency or the cell or the base station or the tracking area is migrated to the target power saving mode.
  • the target energy saving mode is notified to the terminal.
  • the network device in this embodiment may be a station, a network management system, or an MME.
  • the carrier frequency is migrated to the target energy-saving mode according to the working state of the carrier frequency, so that the carrier frequency in the cell can be energy-efficiently processed according to the actual working condition, thereby reducing the cell's Energy consumption, reducing operators' operating costs and promoting environmental protection.
  • the embodiment provides an activation device. As shown in FIG.
  • the activation device 800 can include: a determination unit 801 and an activation unit 802.
  • the determining unit 801 is configured to determine whether the carrier frequency or the cell or the base station or the tracking area meets the activation condition.
  • the activation unit 802 is configured to: when the determining unit 801 determines that the result is yes, to the carrier frequency or the cell or the base station or the tracking area. Activate.
  • the determining unit 801 may adopt the following method when determining whether the activation condition is satisfied. Method 1: The idle state user activates the carrier frequency of the cell.
  • the specific implementation includes: an idle state user actively initiates a service request, triggers activation of a cell carrier frequency in a connection establishment phase; or an idle state user receives a paging message sent by a network side, and triggers activation of a cell/base station when a paging response is sent. .
  • Method 2 The switch command is activated. When the cell in which the carrier frequency is located receives the handover request command, the cell carrier frequency is activated.
  • the specific application may include the switch activation of the X2 interface and the switch activation of the S1 interface.
  • Method 3 Network side activation. Other nodes in the network, such as neighboring base stations, ⁇ , OAM trigger activation through explicit signaling.
  • Method 4 Event Trigger Activation.
  • the system After the traffic or load in the coverage of the cell where the carrier frequency is located reaches a certain level (or threshold), for example, greater than a predetermined fourth threshold, the system triggers The activation process of the cell carrier frequency.
  • Method 5 Timed activation. When the preset activation time arrives, the carrier frequency is activated.
  • a carrier frequency or a cell or a base station or a tracking area that satisfies the condition can be activated according to an actual state.
  • This embodiment provides a network system.
  • the network system 900 includes: a network device 901 and an activation device 902.
  • the network device 901 may include: a determining unit 9011, a power saving mode determining unit 9012, and a migration unit 9013.
  • a determining unit 9011 configured to determine whether a carrier frequency or a cell or a base station or a tracking area meets a condition for migrating to a power saving mode
  • the energy saving mode determining unit 9012 is configured to determine a target energy saving mode of the carrier frequency or a cell or a base station or a tracking area
  • the migration unit 9013 is configured to migrate the carrier frequency or the cell or the base station or the tracking area to the target power saving mode.
  • the network device 901 may further include: a service switching unit 9014, configured to: before the carrier frequency or the cell or the base station or the tracking area is switched to the energy saving mode, the service located on the carrier frequency or the cell or the base station or the tracking area Switch to other carrier frequencies or cells or base stations or tracking areas.
  • the network device 901 may further include: a notification unit 9015, configured to migrate the carrier frequency or a cell or a base station or a tracking area after the carrier frequency or the cell or the base station or the tracking area is migrated to the target power saving mode.
  • the target energy saving mode is notified to the UE.
  • the activation device 902 can include a determination unit 9021 and an activation unit 9022.
  • the determining unit 9021 is configured to determine whether the carrier frequency or the cell or the base station or the tracking area meets the activation condition.
  • the activation unit 9022 is configured to activate the carrier frequency or the cell or the base station or the tracking area when the determining unit 9021 determines that the result is yes. .
  • the network system provided in this embodiment can perform energy saving or activation processing on a carrier frequency or a cell or a base station or a tracking area according to a carrier frequency or an actual working state of a cell or a base station or a tracking area.

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Abstract

L'invention concerne, selon des modes de réalisation, un procédé, un appareil et un système réseau appliqués à la réduction de la consommation énergétique et à l'activation d'une station mobile, le procédé comprenant les étapes suivantes : si la fréquence porteuse, la cellule, la station de base ou la zone de localisation remplit une condition de transfert en mode économiseur d'énergie, un mode économiseur d'énergie cible sur lequel la fréquence porteuse, la cellule, la station de base ou la zone de localisation est transférée est alors établi, et la fréquence porteuse, la cellule, la station de base ou la zone de localisation est transférée sur le mode économiseur d'énergie cible. Selon des modes de réalisation de l'invention, le transfert sur le mode économiseur d'énergie cible de la fréquence porteuse, de la cellule, de la station de base ou de la zone de localisation peut s'effectuer en fonction de l'état opérationnel de la fréquence porteuse, de la cellule, de la station de base ou de la zone de localisation, si bien que le traitement de réduction de la consommation énergétique de la station de base se fait conformément aux conditions de fonctionnement de manière à réduire les coûts d'exploitation des opérateurs ainsi que les effets sur l'environnement.
PCT/CN2010/071016 2009-03-12 2010-03-12 Procédé, appareil et système réseau appliqués à la réduction de la consommation énergétique et à l'activation d'une station mobile WO2010102581A1 (fr)

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