WO2013135157A1 - 基站节能方法、系统及装置 - Google Patents

基站节能方法、系统及装置 Download PDF

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Publication number
WO2013135157A1
WO2013135157A1 PCT/CN2013/072435 CN2013072435W WO2013135157A1 WO 2013135157 A1 WO2013135157 A1 WO 2013135157A1 CN 2013072435 W CN2013072435 W CN 2013072435W WO 2013135157 A1 WO2013135157 A1 WO 2013135157A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
state
capacity
cell
user equipment
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2013/072435
Other languages
English (en)
French (fr)
Inventor
徐修强
陈雁
张舜卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP13761541.5A priority Critical patent/EP2827656B1/en
Publication of WO2013135157A1 publication Critical patent/WO2013135157A1/zh
Priority to US14/482,773 priority patent/US9635585B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] 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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • 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 the field of communications technologies, and in particular, to a base station or a cell energy saving method, apparatus, and system.
  • a small base station (Micro/Pico Base Station) B, C, and D for network expansion with capacity expansion is deployed in a macro base station of the network one or a hotspot area within the coverage of the cell A, and the base station of the network one Or the cell A is a coverage base station or a cell, and the base station or cells B, C, and D of the network 2 are capacity base stations or cells; as shown in FIG. 1b, the macro base station or the cell F of the network 1 provides basic network coverage for a certain area.
  • the macro base station or the cell E of the network 2 is co-located with the base station or the cell F, and the capacity is enhanced.
  • the base station or the cell F of the network one is the coverage base station or the cell
  • the base station or the cell E of the network 2 is the capacity base station or the cell
  • the macro base station or cell of the network 1 provides basic network coverage for a certain area
  • the macro base station or cell of the network 2 is deployed within the coverage of the network 1 to provide capacity enhancement for the area, but the base station with the network 1 Or the cell does not have a common site
  • the base station or cell of the network one is the coverage base station or the cell
  • the base station or the cell of the network 2 is the capacity base station or the cell.
  • the network 1 may be a GSM EDGE Radio Access Network (GERAN) or a Universal Terrestrial Radio Access Network (UTRAN), and the network 2 may be an evolved universal terrestrial wireless access.
  • Evovled Universal Terrestrial Radio Access Network, E-UTRAN), Network One and Network Two belong to different standards.
  • An existing method for power saving a base station includes: if the load of the base station is lower than a certain threshold, the management system notifies the base station to perform the first predetermined operation, that is, enters a complete sleep state by itself or shuts down by itself; if the base station covers the neighboring area equally If the load is above a certain threshold, the management system notifies the base station to perform the second predetermined operation, that is, wake up by itself or turn itself on.
  • the other base station energy saving method can include: when the coverage base station or the cell detects that the load is high, activate all the capacity base stations or cells in the coverage state in the coverage; if the partial capacity base station or the cell activates, the coverage cannot be effectively absorbed. When the base station or the cell load satisfies the condition of entering the sleep state again, the part of the capacity base station or the cell enters the sleep state to save energy.
  • the coverage base station or the cell user needs to initiate a short-time service that can only be carried by the capacity base station or the cell, the coverage base station at this time If the total amount of the cell load does not reach the level of the base station or the cell, the capacity base station or the cell will not be opened. This will cause the network to be unable to carry the service and seriously affect the user experience.
  • the capacity base station or the cell can be started in time to carry the service After the service ends, the capacity base station or the cell enters the dormant state due to the low load. When the number of such users is large and not concentrated, the capacity base station or the cell is frequently turned on and off.
  • Embodiments of the present invention provide a base station energy saving method, system, and device, which implement energy saving of a base station.
  • a base station energy saving method is applied to a base station controller, including:
  • Another method for power saving a base station comprising:
  • the second activation request is used to request the capacity base station to enter an intermediate state from the dormant state, where the capacity base station carries the connection state user equipment without carrying the idle state user equipment, in the sleep state, The capacity base station does not carry user equipment in any state;
  • a base station controller includes:
  • An antenna unit configured to send a second activation request to the capacity base station if the number of user equipments that send service requests in the coverage area of the coverage base station is higher than the first threshold, where the second activation request is used to request the capacity base station in the dormant state Entering an intermediate state from a dormant state, where the intermediate state refers to the capacity base station carrying a connection state user equipment in the intermediate state without carrying an idle state user equipment;
  • a processor unit configured to: after the capacity base station enters the intermediate state, transfer the user equipment to the capacity base station in an intermediate state.
  • An antenna unit configured to receive a second activation request, where the second activation request is used to request the base station to enter an intermediate state from a dormant state, where the base station carries a connection state user equipment without carrying an idle state user.
  • the device in the dormant state, does not carry the user equipment in any state;
  • a processor unit configured to enter an intermediate state from a current sleep state according to the second activation request, and send a second activation request response message to the base station controller;
  • the link establishing unit is configured to establish a connection with the transferred user equipment after entering the intermediate state.
  • an embodiment of the present invention provides a communication system, where the system includes a capacity base station, an overlay base station, and a base station controller, where
  • the base station controller is configured to send a second activation request to the capacity base station if the number of user equipments that send service requests in the coverage area of the coverage base station is higher than a first threshold, where the second activation request is used to request
  • the capacity base station in the sleep state enters the intermediate state from the sleep state, the intermediate state
  • the capacity base station is located in a coverage area of the coverage base station, and is configured to receive the second activation request, where the second activation request is used to request the capacity base station to enter an intermediate state from a dormant state, where the capacity base station is in the intermediate state.
  • the device sends a second activation request response message; after entering the intermediate state, establishing a connection with the transferred user equipment.
  • the method and system in the embodiments of the present invention enable the capacity base station or the cell to enter the intermediate state, and do not carry the idle state user equipment in the intermediate state, thereby avoiding the idle state user equipment between the coverage base station or the cell and the capacity base station or the cell. Mobility.
  • Figure la is a schematic diagram of a network scenario covering a base station or a cell, a capacity base station, or a cell in the prior art
  • Figure lb is a schematic diagram of another network scenario covering a base station or a cell, a capacity base station, or a cell in the prior art
  • Figure lc is a schematic diagram of another network scenario covering a base station or a cell, a capacity base station or a cell in the prior art
  • FIG. 2 is a flowchart of a method for saving a base station according to an embodiment of the present invention
  • FIG. 3 is a flowchart of another base station energy saving method according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of another base station energy saving method according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of another base station energy saving method according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of another base station energy saving method according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of another base station energy saving method according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of transitioning between three states of a capacity base station or a cell according to an embodiment of the present invention
  • FIG. 10A is a flowchart of a medium base station or a cell entering a middle state from a normal state in a specific application example according to an embodiment of the present invention
  • FIG. 10A is a flowchart of a medium base station or a cell entering a middle state from a normal state in a specific application example according to an embodiment of the present invention.
  • FIG. 10B is a flowchart of a capacity base station or a cell entering a sleep state from a normal state in a specific application example according to an embodiment of the present invention.
  • 10C is a flowchart of a capacity base station or a cell entering a sleep state from an intermediate state in a specific application example according to an embodiment of the present invention
  • 10D1 is a flowchart of a capacity base station or a cell entering a normal state from an intermediate state in a specific application example according to an embodiment of the present invention
  • FIG. 10D2 is a flowchart of another type of capacity base station or cell entering a normal state from an intermediate state in a specific application example according to an embodiment of the present disclosure
  • FIG. 10E is a flowchart of a medium base station or a cell entering a middle state from a sleep state in a specific application example according to an embodiment of the present invention.
  • FIG. 10F is a flowchart of a capacity base station or a cell entering a normal state from a sleep state in a specific application example according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of base station control according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a node of a base station according to an embodiment of the present invention.
  • a method for powering a base station is a method for managing a base station controller that covers a base station or a cell in a system, and the capacity base station or the cell involved in the method in this embodiment is in coverage. Within the coverage of the base station or cell:
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the user equipment may be referred to as a terminal (Mobile), a mobile station (Mobile Station, referred to as "MS”), a mobile terminal (Mobile Terminal), etc.
  • the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, the user equipment can be a mobile phone (or "cellular" phone), with a mobile terminal
  • RAN Radio Access Network
  • the user device can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or data with the wireless access network.
  • FIG. 2 The flowchart of the method in the embodiment of the present invention is as shown in FIG. 2, and includes:
  • Step 101 Detect whether the number of user equipments that initiate the service in the coverage of the base station or the cell coverage is higher than the first threshold. If it is higher than the first threshold, the subsequent step of performing the method is performed, and step 102 is performed; if it is not higher than the first threshold, the energy saving method of the embodiment should not be used, and the process ends.
  • the service in this step and the application file may be one or more of the following: 1) the coverage of the base station or the cell cannot be carried, only the service carried by the capacity base station or the cell; 2) the coverage base station or the cell, the capacity base station or the cell Can carry, but consume less energy or have higher energy efficiency when carrying capacity base station or cell bearer; or 3) Covering base station or cell, capacity base station or cell can bear, but when carrying capacity base station or cell
  • the method for determining that the user equipment initiates the foregoing service includes: 1) detecting that the user equipment is performing the foregoing service; or, 2) detecting that the user equipment has a service request for establishing the service, or the service request carries the service identifier of the service.
  • the foregoing steps may be omitted.
  • the number of devices is higher than the first threshold
  • the number of user equipments that initiate the service within the coverage of the coverage base station is directly reported to the base station controller, or the user that initiates the service is directly recorded. Number of devices, etc.
  • the first threshold can be set to 0, that is, the user equipment initiates the foregoing service, and the following steps can be directly triggered, so the step of detecting can be omitted.
  • Step 102 Send a second activation request to the capacity base station or cell in a dormant state.
  • the second activation request is used to request that the capacity base station or cell in the sleep state enters the intermediate state from the sleep state.
  • the base station controller can request all the capacity base stations or cells in the dormant state to enter the intermediate state; or the capacity base station or the cell that is partially in the dormant state can also be requested to enter the intermediate state.
  • the capacity base station or the cell In the intermediate state, the capacity base station or the cell only carries the connection state user equipment, and does not carry the idle state user equipment; the capacity base station or the cell can also receive the connection state user equipment that is covered by the base station or the cell.
  • the capacity base station or cell does not carry user equipment in any state.
  • Step 103 Transfer the user equipment that covers the base station or the cell to initiate the service to the capacity base station or the cell that enters the intermediate state.
  • the user equipment in the idle state wants to access the capacity base station or the cell in the intermediate state, it is first required to establish a connection between the base station or the cell and the user equipment in the idle state, so that the idle state user equipment becomes the connected state user equipment; The user equipment is then accessed to the capacity base station or cell in an intermediate state by covering the user transfer between the base station or the cell and the capacity base station or the cell.
  • the base station energy saving method in the embodiment of the present invention sends a second activation request to all or part of the capacity base station or cell in the sleep state, and requests the capacity base station or the cell in the dormant state to enter the intermediate state.
  • the capacity base station or the cell in the intermediate state, can carry the connection state user equipment, and the coverage base station or the cell user that initiates the special service can be transferred to the capacity base station or the cell in the intermediate state, thereby satisfying the special service requirement of the user equipment.
  • the idle user equipment is not carried, thereby avoiding the mobility of the idle state user equipment between the coverage base station or the cell and the capacity base station or the cell.
  • the base station controller that manages the coverage base station or the cell in the system may further implement the energy saving of the base station by using the following steps.
  • the capacity base station or the cell enters the normal state from the intermediate state. Status:
  • A1 Detecting whether the connection status of the user equipment to the intermediate capacity base station or cell is higher than the second threshold.
  • the setting of the second threshold can guarantee the user's better experience according to the capacity of the system.
  • the first activation request is sent to the capacity base in the intermediate state.
  • the first activation request may cause the capacity station to enter a normal state, and may enter a normal state from a dormant or intermediate state.
  • the capacity base station or the cell is requested to enter a normal state from an intermediate state, and the capacity base station or the cell is in a normal state.
  • a user device that can carry any state.
  • the base station controller may request all the capacity base stations or cells in an intermediate state to enter a normal state; or may request a part of the capacity base station or the cell in an intermediate state to enter a normal state.
  • the base station controller may also detect whether the transfer success rate of the mobile base station or the cell that is in the intermediate state of the base station or the cell connection state user equipment is lower than the third threshold, and if yes, perform step B1, if not , then the process ends.
  • the base station controller may also detect whether the coverage base station or the cell load is higher than the fourth threshold. If yes, step B1 is performed, and if not, the process ends.
  • the second threshold can be set according to the capacity of the system to ensure that the user has a better experience. By setting these thresholds, the state of the base station is changed to achieve energy saving.
  • the base station controller that manages the coverage base station or the cell may also implement the energy saving of the base station by using the following steps:
  • the capacity base station or the cell enters a normal state from the sleep state:
  • A2 Detect whether the coverage base station or the cell load is higher than the fifth threshold. If yes, execute step B2. If not, the process ends.
  • B2 Send a first activation request to a capacity base station or cell that is in a dormant state within the coverage of the coverage base station or the cell.
  • the first activation request is used to request the capacity base station or the cell to enter a normal state from the dormant state, and the capacity base station or the cell can carry the user equipment of any state in a normal state.
  • the base station controller can request all the capacity base stations or cells in the dormant state to enter the normal state; or can request the part of the capacity base station or the cell in the dormant state to enter the normal state.
  • the method in this embodiment is a method performed by a capacity base station or a cell, and the capacity base station or the cell involved in the method in this embodiment is in the coverage of the coverage base station or the cell:
  • Step 201 Receive a second activation request, the second activation request is used to request a capacity base station or a cell From the sleep state to the intermediate state.
  • Step 202 Enter an intermediate state from the current sleep state.
  • Step 203 Receive the transferred coverage base station or cell user equipment that initiates the special service.
  • the capacity base station or the cell bears the connection state user equipment, and does not carry the idle state user equipment; the capacity base station or the cell can also receive the connection status user equipment that is overwritten by the base station or the cell.
  • the capacity base station or cell does not carry user equipment in any state.
  • the capacity base station or the cell when the capacity base station or the cell receives the second activation request, the current sleep state enters the intermediate state.
  • the capacity base station or the cell in the intermediate state, can carry the connection state user equipment, and the coverage base station or the cell user that initiates the service can be transferred to the capacity base station or the cell in the intermediate state, thereby satisfying the service requirement of the user equipment.
  • the capacity base station or the cell does not carry the idle state user equipment after entering the intermediate state from the dormant state, thereby avoiding the mobility of the idle state user equipment between the coverage base station or the cell and the capacity base station or the cell.
  • the capacity base station or the cell may further implement energy saving of the base station by using the following steps:
  • the capacity base station or the cell enters an intermediate state or a sleep state from a normal state:
  • A3 Detect whether the total capacity of the base station or the cell load is lower than the sixth threshold.
  • step B3 If the number of user equipments that initiate the service of the capacity base station or the cell is lower than the sixth threshold, if the value is higher than the seventh threshold, if the value is higher than, the step C3 is performed; if not, the step D3 is performed.
  • C3 The capacity base station or cell enters an intermediate state from the current normal state.
  • D3 The capacity base station or cell enters a sleep state from the current normal state.
  • the capacity base station or the cell may further implement energy saving of the base station by using the following steps: In this embodiment, the capacity base station or the cell enters a sleep state from an intermediate state:
  • Step 301 Detect whether the number of base station or cell connection status users continues to be lower than the eighth threshold in the first time. If it is lower, go to step 302. If it is not lower, the process ends.
  • Step 302 The capacity base station or the cell enters a sleep state from the current intermediate state.
  • connection state user equipments need to be transferred to the coverage base station or the cell before the capacity base station or the cell enters the sleep state.
  • the capacity base station or the cell may further implement energy saving of the base station by using the following steps:
  • the capacity base station or the cell enters a normal state from an intermediate state or a sleep state:
  • Step 401 Receive a first activation request, where the first activation request is used to request the capacity base station or the cell to enter a normal state from an intermediate state or a sleep state.
  • Step 402 Enter a normal state from a current intermediate state or a sleep state.
  • the capacity base station or the cell When it is detected that the capacity base station or the cell load is lower than the preset value, and the number of users detecting the capacity base station or the cell transmitting the special service is higher than the preset value, the capacity base station or the cell enters the intermediate state from the normal state.
  • the user equipment that initiates the non-special service is transferred to the coverage base station or the cell.
  • the cell selection parameter may be reset, and the system information is updated, and the idle state user is prohibited from camping;
  • the state transition message of the capacity base station or the cell from the normal state to the intermediate state is notified to the base station controller that manages the coverage base station or the cell; the base station controller receives the capacity base station or the cell enters the intermediate state from the normal state.
  • the coverage base station or cell cell reselection parameter may be reset, and the coverage base station or cell system information is updated, and the coverage base station or the cell idle state user is prohibited from reselecting to the capacity base station or the cell.
  • the capacity base station or the cell when the capacity base station or the cell is in a normal state: when the capacity base station or the cell load is detected to be lower than a preset value, and the capacity base station or the cell is detected When the number of user equipments of the special service is lower than the preset value, the capacity base station or the cell enters the sleep state from the normal state.
  • the cell selection parameter may be reset, and the system information is updated, and the idle state user is prohibited from camping;
  • the state transition message of the capacity base station or the cell entering the dormant state from the normal state is notified to the base station controller that manages the coverage base station or the cell; the base station controller receives the capacity base station or the cell enters the sleep state from the normal state.
  • the coverage base station or cell cell reselection parameter may be reset, and the coverage base station or cell system information is updated, and the coverage base station or the cell idle state user is prohibited from reselecting to the capacity base station or the cell.
  • the capacity base station or the cell when the capacity base station or the cell is in an intermediate state: when detecting the preset time, the base station or the cell connection state user equipment uses the capacity base station or the cell as the target base station, and the number of transitions is higher than the preset Value, or detecting that the handover success rate of the coverage base station or the cell connection state user equipment with the capacity base station or the cell as the target base station is lower than a preset value, or detecting that the coverage base station or the cell load is higher than a preset value, the capacity is The base station or the cell sends a first activation request; the first activation request here is used to request the capacity base station or the cell to enter a normal state from the intermediate state.
  • the capacity base station or the cell When the capacity base station or the cell receives the first activation request, it enters a normal state from the intermediate state. Specifically, before the capacity base station or the cell enters a normal state, the cell selection parameter may be reset, and the system information is updated, and the idle state user is allowed to camp;
  • the base station controller After the capacity base station or the cell enters the normal state, the base station controller is notified by the first activation request response message that the capacity base station or the cell enters the normal state from the intermediate state; the base station controller receives the capacity base station or the cell enters from the intermediate state.
  • the coverage base station or the cell cell reselection parameter may be reset, and the coverage base station or the cell system information is updated, and the coverage base station or the cell idle state user equipment is allowed to reselect to the capacity base station or the cell.
  • the capacity base station or the cell when it is detected that the number of the capacity base station or the cell connection state user equipment is always lower than a preset value within a preset time, the capacity base station or the cell is from the middle The state enters a sleep state;
  • the state transition message of the capacity base station or the cell entering the dormant state from the intermediate state is notified to the base station controller that manages the coverage base station or the cell.
  • the coverage base station or the cell or the base station controller When the coverage base station or the cell or the base station controller detects that the coverage base station or the cell load is higher than a preset value, sends a first activation request to the capacity base station or the cell; where the first activation request is used to request the capacity base station or the cell from The sleep state enters a normal state;
  • the capacity base station or the cell When the capacity base station or the cell receives the first activation request, it enters a normal state from the sleep state. Specifically, before the capacity base station or the cell enters a normal state, the cell selection parameter may be reset to allow the idle state user equipment to camp;
  • the base station controller After the capacity base station or the cell enters the normal state, the base station controller is notified by the first activation request response message to the state transition message that the capacity base station or the cell enters the normal state from the dormant state; the base station controller receives the capacity base station or the cell enters the sleep state.
  • the coverage base station or the cell cell reselection parameter may be reset, and the coverage base station or the cell system information is updated, and the coverage base station or the cell idle state user equipment is allowed to reselect to the capacity base station or the cell.
  • the capacity base station or the cell When the capacity base station or the cell receives the second activation request, it enters an intermediate state from the sleep state. Specifically, after the capacity base station or the cell enters an intermediate state, the user equipment that covers the base station or the cell initiates the special service is transferred to the capacity base station or the cell.
  • the state transition message of the capacity base station or the cell from the sleep state to the intermediate state is notified by the second activation request response message to the base station controller that manages the coverage base station or the cell.
  • the capacity base station or the cell has three states, that is, a normal state, an intermediate state, and a dormant state.
  • a normal state if the load of the capacity base station or the cell is lower than a preset value, and the number of user equipments for which the capacity base station or the cell initiates a special service is higher than a preset value, the intermediate state is entered; If the load of the capacity base station or the cell is lower than the preset value, and the number of user equipments for the special base station or the cell to initiate the special service is lower than the preset value, the sleep state is entered.
  • the capacity base station or the cell When the capacity base station or the cell is in the intermediate state, if the first activation request is received, the normal state is entered; if the number of the capacity base station or the cell connection state user equipment is always lower than the preset value within the preset time, the user enters the sleep state. status.
  • the capacity base station or cell is in a sleep state, If the first activation request is received, it will enter the normal state; if the second activation request is received, it will enter the intermediate state.
  • the coverage base station or the cell and the capacity base station or the cell belong to different radio access technologies, such as the coverage base station or the cell is a global terrestrial radio access network (UTRAN) base station or cell, and the capacity base station or cell is an evolved global ground.
  • a Radio Network Controller (RNC) is a base station controller that manages a coverage base station or cell.
  • the coverage base station or the cell provides basic network coverage, and the capacity base station or the cell is in the coverage base or cell coverage, and is completely covered by the coverage base station or the cell.
  • the capacity base station or cell enters the intermediate state from the normal state:
  • the capacity base station or the cell When the capacity base station or the cell is in a normal state, if the load of the capacity base station or the cell is lower than the preset threshold HI, and the number of users in which the capacity base station or the cell initiates a special service is higher than a preset threshold, H2, the cell bearer parameter (cellBarred) in the system information block Type1 message is set to "barred", the system information is updated, and the non-special service is initiated at the same time.
  • the capacity base station or the cell notifies the wireless network controller of a state transition message that the normal state enters the intermediate state.
  • the radio network controller After receiving the notification that the capacity base station or the cell leaves the normal state, the radio network controller adds the physical cell identifier (Physical Cell ID, PCI) of the capacity base station or the cell to the coverage base station or the cell system information block type 19 message.
  • PCI Physical Cell ID
  • the radio network controller adds the physical cell identifier (Physical Cell ID, PCI) of the capacity base station or the cell to the coverage base station or the cell system information block type 19 message.
  • PCI Physical Cell ID
  • the capacity base station or the cell enters the sleep state from the normal state: 504.
  • the capacity base station or the cell is in a normal state, if the load of the capacity base station or the cell is detected to be lower than a preset threshold HI And the number of user equipments for which the capacity base station or the cell initiates a special service is lower than the preset threshold value H2, and the capacity base station or the cell system information block type 1 message is set.
  • the cell-loaded parameter (cellBarred) in the (System Information Block Typel message) is "barred", and at the same time, all the connected state users are transferred to the coverage base station or cell where the user is located; after the user transfer is completed, the capacity base station or cell is The normal state enters the sleep state.
  • the capacity base station or the cell notifies the wireless network controller of a state transition message that the normal state enters the sleep state.
  • the radio network controller After receiving the notification that the capacity base station or the cell leaves the normal state, the radio network controller adds the physical cell identifier of the capacity base station or the cell to the coverage base station or the system information block type 19 message (System Information Block Type 19 message ). In the Black Listed cells per freq list in the E-UTRAN Frequency and priority info list, the coverage base station or cell system information is updated.
  • the capacity base station or the cell When the capacity base station or the cell is in an intermediate state, if the number of the user equipments in the capacity base station or the cell connection state is always lower than the preset threshold H3 within the preset time T1, the capacity base station or the cell transfers all the connected state user equipments. Go to the coverage base station or cell where it is located, and enter the sleep state from the intermediate state.
  • the capacity base station or the cell notifies the wireless network controller of a state transition message that the intermediate state enters the sleep state.
  • the capacity base station or cell enters the normal state from the intermediate state:
  • the base station controller detects that the base station or the cell connection state is within the preset time T2, the number of times of the user using the capacity base station or the cell as the target base station exceeds a preset threshold H4, or The base station controller sends a first activation request to the capacity base station or the cell to request the capacity base station or the cell to enter a normal state.
  • the capacity base station or the cell After receiving the first activation request, the capacity base station or the cell sets a cell bearer parameter (cellBarred) in the capacity base station or the system information block type 1 message to "allow the bearer (notBarred), , and update the system information to enter the normal state.
  • cellBarred cell bearer parameter
  • the base station controller After receiving the first activation request response message sent by the capacity base station or the cell, the base station controller receives the E-UTRAN frequency and priority information from the coverage base station or the system information block type 19 message.
  • the physical cell identifier of the capacity base station or the cell is deleted in the black listed cells per freq list in the E-UTRAN Frequency and priority info list, and the coverage base station or cell system information is updated.
  • the capacity base station or cell enters the normal state from the intermediate state:
  • the base station controller detects that the coverage base station or the cell load exceeds the preset threshold H6, sends a first activation request to the capacity base station or the cell, requesting the capacity base station or the cell to enter a normal state.
  • the capacity base station or the cell After receiving the first activation request, the capacity base station or the cell sets the cell bearer parameter (cellBarred) in the system information block Type1 message to "allow the bearer (notBarred), , and update the system information to enter the normal state.
  • cellBarred cell bearer parameter
  • the first activation request response message is sent back to the base station controller, where the response information is used to notify the base station controller that the capacity base station or the cell has entered a normal state.
  • the base station controller After receiving the first activation request response message sent by the capacity base station or the cell, the base station controller receives the E-UTRAN frequency and priority information from the coverage base station or the system information block type 19 message.
  • the physical cell identifier of the capacity base station or the cell is deleted in the black listed cells per freq list in the E-UTRAN Frequency and priority info list, and the coverage base station or cell system information is updated.
  • the capacity base station or cell enters an intermediate state from a sleep state:
  • the base station controller When the base station controller detects that the number of user equipments that cover the base station or the cell initiates the special service exceeds the preset threshold H7, the base station controller sends a second activation request to the capacity base station or the cell, requesting the capacity base station. Or the cell enters an intermediate state.
  • the capacity base station or the cell After receiving the second activation request, the capacity base station or the cell enters an intermediate state.
  • the coverage base station or the cell transfers all or part of the user equipments that initiate the special service to the capacity base station or the cell.
  • the capacity base station or cell enters a normal state from the sleep state:
  • the base station controller detects that the coverage base station or the cell load exceeds the preset threshold H6, the base station controller sends a first activation request to the capacity base station or the cell, requesting the capacity base station or the cell to enter a normal state.
  • the capacity base station or the cell After receiving the first activation request, the capacity base station or the cell sets the cell bearer parameter (cellBarred) in the system information block Type1 message to “allow the bearer (notBarred), , enters the normal state.
  • cellBarred cell bearer parameter
  • the base station controller After receiving the first activation request response message sent by the capacity base station or the cell, the base station controller receives the E-UTRAN frequency and priority information from the coverage base station or the system information block type 19 message.
  • the physical cell identifier of the capacity base station or the cell is deleted in the black listed cells per freq list in the E-UTRAN Frequency and priority info list, and the coverage base station or cell system information is updated.
  • signaling that is exchanged between all base station controllers and a capacity base station or a cell such as a first or second activation request, a first activation request response message, or a second activation request response message, capacity
  • the state transition message of the base station or the cell may be performed by means of direct transmission between the base station controller and the capacity base station or the cell or transparently transmitted through the core network (for example, the RIM process).
  • the coverage base station or the cell is a Global System for Mobile Communications (GSM) or an Enhanced Data Rate GSM (EDGE) Radio Access Network (GERAN) base station or cell
  • GSM Global System for Mobile Communications
  • EDGE Enhanced Data Rate GSM
  • GERAN Enhanced Data Rate GSM
  • the base station energy saving method is the same as the foregoing when the coverage base station or the cell is a global terrestrial radio access network (UTRAN) base station or cell
  • the capacity base station or The cell is a similar method for the base station energy saving when the evolved global terrestrial radio access network (E-UTRAN) base station or cell
  • the base station controller that manages the GERAN base station or cell is a BSC (Base Station Controller).
  • BSC Base Station Controller
  • the capacity base station or the cell When the capacity base station or the cell is in an intermediate state, when the user equipment ends the special service but is still in the connected state, the capacity base station or the cell may choose to transfer the user equipment to the coverage base station or the cell.
  • the capacity base station or cell may transition between any two states without involving a third state. For example, the capacity base station or cell switches between the normal state and the intermediate state, but does not enter the sleep state; or the capacity base station or cell switches between the intermediate state and the sleep state, but does not enter the normal state.
  • the state transition message is notified to the base station controller that manages the coverage base station or the cell by using the first or second activation request response message.
  • the base station controller that manages the coverage base station or cell can determine the state in which the capacity base station or cell is located.
  • the base station controller that manages the coverage base station or the cell may only know whether the capacity base station or the cell is in a normal state, and does not need to know whether the capacity base station or the cell is in an abnormal state, specifically, is in an intermediate state or In the dormant state, that is, after the capacity base station or the cell enters the dormant state from the intermediate state, the state transition message is not notified to the base station controller that manages the coverage base station or the cell, so that when the base station controller that manages the coverage base station or the cell sends the second activation request, The request needs to be sent to the capacity base station or the cell in the dormant state and the intermediate state at the same time.
  • the capacity base station or the cell maintains the state if it is currently in the intermediate state, and does not perform state transition.
  • the technical solution of the embodiment of the present invention is also applicable to a network architecture for separating data and signaling in the future.
  • the coverage base station or cell of the network one is also called a signaling base station (SBS).
  • SBS signaling base station
  • Control Plane also known as Signalling Plane
  • User Plane User Plane
  • DBS data base station
  • the capacity base station or the cell (data base station) can be switched between the intermediate state and the sleep state to achieve the purpose of energy saving.
  • the actual demand situation of the user equipment may be based on the actual load status of the user (for example, the user equipment with/without connection status) and the connection status (for example, the user equipment) Whether the user equipment needs to acquire pilot signals, broadcast messages, synchronization signals, etc., compresses and tailors common signals of the base station or the cell, such as pilot, synchronization, broadcast, paging, etc., to reduce public signal redundancy to achieve The purpose of further energy saving.
  • the embodiment of the invention also provides a base station and a user terminal for implementing the above method.
  • the base station of this embodiment can be a base station in each of the aforementioned communication systems.
  • the device class embodiments described below enable various process steps and functions of the method-related embodiments. Referring to FIG. 11, a schematic structural diagram of a base station controller according to an embodiment of the present invention is shown.
  • the base station controller of the embodiment of the present invention may be the base station controller in the foregoing various communications.
  • the base station controller 11 of this embodiment includes an antenna unit 111, configured to send a second activation request to the capacity base station if the number of user equipments that send service requests in the coverage area of the coverage base station is higher than the first threshold, the second activation.
  • the processor unit 113 is configured to: after the capacity base station enters the intermediate state, transfer the user equipment to the capacity base station in an intermediate state.
  • the method may further include: a detecting unit 115, configured to detect whether the number of user equipments that initiate the service within the coverage of the coverage base station is higher than the first threshold, so that the sending unit determines whether to send the second activation request.
  • a detecting unit 115 configured to detect whether the number of user equipments that initiate the service within the coverage of the coverage base station is higher than the first threshold, so that the sending unit determines whether to send the second activation request.
  • the service that is initiated by the user equipment that covers the initiating service in the coverage of the base station includes: the service that the coverage base station cannot bear, and is only carried by the capacity base station or the cell; or
  • the capacity base station bears less energy or energy-efficient services than the coverage base station bearer; the capacity base station bears better traffic than the coverage base station bears the user.
  • the processor unit may send the first activation request to the capacity base station in the intermediate state to make the intermediate state The capacity base station enters a normal state. If the success rate of transferring the user equipment to the capacity base station in the intermediate state is lower than the third threshold, the processor unit sends a first activation request to the intermediate base capacity base station to cause the capacity base station in the intermediate state to enter the normal state. status. If the load of the coverage base station is higher than the fourth threshold, the processor unit sends a first activation request to the intermediate base capacity base station to bring the capacity base station in the intermediate state into a normal state. If the load of the coverage base station is higher than the fifth threshold, the processor unit sends the first stimulus to the intermediate base capacity base station. The live request is to bring the capacity base station in a sleep state into a normal state.
  • Base station 12 includes:
  • the antenna unit 120 is configured to receive a second activation request, where the second activation request is used to request the base station to enter an intermediate state from a dormant state, where the base station carries a connection state user equipment without carrying an idle state.
  • the user equipment, in the dormant state, the base station does not carry the user equipment in any state;
  • the processor unit 122 is configured to enter an intermediate state from a current sleep state according to the second activation request, and send a second activation request response message to the base station controller;
  • the link establishing unit 124 is configured to establish a connection with the transferred user equipment after entering the intermediate state.
  • the processor unit 120 may also cause the base station to enter the sleep state from the current intermediate state.
  • the antenna unit 102 is further configured to receive a first activation request, where the first activation request is used to request the base station to enter a normal state from an intermediate state or a sleep state; and then the processor unit 122 is further configured to use the first Activate the request and enter the normal state from the current intermediate state or sleep state. If the total amount of base station load is lower than a sixth threshold, and the user equipment in the connected state with the base station is higher than eight thresholds, the processor unit is further configured to enter an intermediate state from the current normal state.
  • the processor unit 122 enters the intermediate state from the current normal state, including: setting the cell bearer parameter cellBarred in the system base station system information block type 1 message to prohibit the bearer from being barred and updating the system information, so that the capacity base station or the cell From the normal state to the intermediate state.
  • the processor unit 122 is further configured to cause the base station to enter a sleep state from the current normal state if the total amount of load of the base station is lower than a sixth threshold and the user equipment in a connected state with the base station is lower than eight thresholds.
  • the process of the processor unit 122 in causing the base station to enter the sleep state from the current normal state is: setting the cell bearer parameter (cellBarred) in the system information block Type1 message to be barred, At the same time, transferring all the connection state users to the coverage base station where the base station is located, so that the capacity base station enters the sleep state from the normal state. State.
  • the processor unit 122 is further configured to enable the base station to enter the intermediate state, notify the base station controller of the state transition message entering the intermediate state, so that the base station controller resets the cell reselection parameter of the coverage base station, and can prohibit the coverage base station from being idle.
  • a capacity base station located within the coverage of the coverage base station is selected.
  • the base station controller base station described above may also constitute a communication system that uses an energy-saving method to reduce power consumption.
  • the system of the present invention includes a capacity base station, a coverage base station, and a base station controller, where the base station controller is configured to send the number to the capacity base station if the number of user equipments that send service requests in the coverage area of the coverage base station is higher than the first threshold.
  • the second activation request is used to request the capacity base station in the dormant state to enter the intermediate state from the dormant state, where the intermediate state refers to the capacity base station carrying the connection state user equipment in the intermediate state without carrying the idle state user equipment; After the capacity base station enters the intermediate state, the user equipment is transferred and connected to the capacity base station in an intermediate state;
  • the capacity base station is located in the coverage of the coverage base station, and is configured to receive a second activation request, where the second activation request is used to request the capacity base station to enter the intermediate state from the dormant state, and in the intermediate state, the capacity base station carries the connection state user equipment without carrying The idle state user equipment, in the sleep state, the capacity base station does not carry the user equipment in any state; according to the second activation request, enters the intermediate state from the current sleep state, and sends a second activation request response message to the base station controller; After that, establish a connection with the transferred user equipment.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: ROM, RAM, disk or CD, etc.

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Abstract

一种基站节能方法、系统及装置，应用于通信技术领域。节能的方法包括：如果覆盖基站覆盖区域内发送业务请求的用户设备的数量高于第一阈值，向容量站发送第二激活请求，所述第二激活请求用于请求处于休眠状态的容量基站从休眠状态进入中间状态，所述中间状态指在所述中间状态下所述容量基站承载连接状态用户设备而不承载空闲状态用户设备；所述容量基站进入所述中间状态后，将所述用户设备转移连接到处于中间状态的所述容量基站。进一步给出实现上述方法装置及系统。

Description

基站节能方法、 系统及装置
技术领域
本发明涉及通信技术领域， 特别涉及基站或小区节能方法、 装置及系统。
背景技术
如今的无线通信业务已经从低速语音业务发展到高速多媒体数据业务，运 营商为了满足日益增长的高容量和高数据率需求，除了应用更高容量和传输速 率的无线接入技术外，往往会在提供基本的网络覆盖基础上，在同一片区域部 署异制式或异形态基站或小区进行容量增强。这里我们称提供基本网络覆盖的 网络为网络一， 而提供容量增强的基站或小区所形成的网络为网络二， 同时为 了便于描述， 以下统称网络一的基站或小区为覆盖基站或小区（ Coverage Base Station ), 而网络二的基站或小区为容量基站或小区 （Capacity Boosting Base Station )。
如图 la所示， 在网络一的宏基站或小区 A覆盖范围内的热点区域部署以 容量扩展为目的网络二的小基站（ Micro/Pico Base Station ) B、 C和 D, 则网 络一的基站或小区 A为覆盖基站或小区， 而网络二的基站或小区 B、 C和 D 为容量基站或小区； 如图 lb所示， 网络一的宏基站或小区 F为某一区域提供 基本的网络覆盖， 网络二的宏基站或小区 E与基站或小区 F共站址， 进行容 量增强， 则网络一的基站或小区 F为覆盖基站或小区， 网络二的基站或小区 E 为容量基站或小区； 如图 lc所示， 网络一的宏基站或小区为某一区域提供基 本的网络覆盖， 网络二的宏基站或小区部署在网络一的覆盖范围内， 为区域提 供容量增强，但与网络一的基站或小区不共站址， 则网络一的基站或小区为覆 盖基站或小区， 网络二的基站或小区为容量基站或小区。 其中， 网络一可以是 GSM/EDGE无线接入网 ( GSM EDGE Radio Access Network, GERAN )或通 用地面无线接入网 （ Universal Terrestrial Radio Access Network, UTRAN ), 网 络二可以是演进型通用地面无线接入网 （Evovled Universal Terrestrial Radio Access Network, E-UTRAN ), 网络一和网络二属于不同制式。
上述为了满足高容量和高数据率需求部署覆盖基站或小区和大量容量基 站或小区，这样就加剧了能量消耗，因此无线网络节能是一个迫在眉睫的问题。
现有的一种基站节能方法包括： 如果基站的负荷低于某个阔值， 管理系统 通知该基站执行第一预定操作， 即自行进入完全睡眠状态或自行关闭； 如果该 基站相同覆盖邻区的负荷高于某个阔值，管理系统通知该基站执行第二预定操 作， 即自行唤醒或自行开启。
而另一种基站节能方法能包括： 当覆盖基站或小区检测到负载较高时， 激 活其覆盖范围内所有处于休眠状态的容量基站或小区；部分容量基站或小区激 活后如果不能有效地吸收覆盖基站或小区负载，当再次满足进入休眠状态的条 件时， 这部分容量基站或小区自行进入休眠状态进行节能。
上述两种基站节能方法应用于所述场景时，容易导致两个严重问题：首先， 当覆盖基站或小区用户需要发起短时的仅能由容量基站或小区承载的业务时， 由于此时覆盖基站或小区负载总量未达到开启容量基站或小区的程度，容量基 站或小区不会开启， 这样会导致网络无法承载该业务， 严重影响用户感受； 其 次， 即使能够及时开启容量基站或小区承载该业务， 该业务结束后， 容量基站 或小区又会由于负载较低进入休眠状态，当这种用户数目很多而且不集中出现 时， 会导致容量基站或小区频繁开启和关闭， 在此过程中， 空闲状态用户频繁 发起异制式重选， 增加终端耗电量， 与此同时， 伴随异制式重选的异制式更新 (如 RA/TA )会给网络带来严重的信令冲击。
发明内容
本发明实施例提供基站节能方法、 系统及装置， 实现基站节能。
一种基站节能方法， 应用于基站控制器， 包括：
如果覆盖基站覆盖区域内发送业务请求的用户设备的数量高于第一阔值， 向容量站发送第二激活请求，所述第二激活请求用于请求处于休眠状态的容量 基站从休眠状态进入中间状态，所述中间状态指在所述中间状态下所述容量基 站承载连接状态用户设备而不承载空闲状态用户设备； 所述容量基站进入所述中间状态后，将所述用户设备转移连接到处于中间 状态的所述容量基站。
另一种基站节能的方法， 所述方法包括：
接收第二激活请求，所述第二激活请求用于请求容量基站从休眠状态进入 中间状态，在所述中间状态下容量基站承载连接状态用户设备而不承载空闲状 态用户设备， 在休眠状态下， 所述容量基站不承载任何状态的用户设备；
根据所述第二激活请求，从当前休眠状态进入中间状态， 并向基站控制器 发送第二激活请求应答消息；
进入中间状态后， 与转移过来的用户设备建立连接。
一种基站控制器， 包括：
天线单元，用于如果覆盖基站覆盖区域内发送业务请求的用户设备的数量 高于第一阔值， 向容量基站发送第二激活请求， 所述第二激活请求用于请求处 于休眠状态的容量基站从休眠状态进入中间状态，所述中间状态指在所述中间 状态下所述容量基站承载连接状态用户设备而不承载空闲状态用户设备；
处理器单元， 用于所述容量基站进入所述中间状态后，将所述用户设备转 移连接到处于中间状态的所述容量基站。
本发明实施例的一种基站， 包括：
天线单元， 用于接收第二激活请求， 所述第二激活请求用于请求所述基站 从休眠状态进入中间状态，在所述中间状态下所述基站承载连接状态用户设备 而不承载空闲状态用户设备，在休眠状态下， 所述基站不承载任何状态的用户 设备；
处理器单元，用于根据所述第二激活请求，从当前休眠状态进入中间状态， 并向基站控制器发送第二激活请求应答消息；
链路建立单元， 用于进入中间状态后， 与转移过来的用户设备建立连接。 进一步， 本发明实施例给出一种通信系统， 所述系统包括容量基站、 覆盖 基站及基站控制器， 其中
所述基站控制器用于如果所述覆盖基站覆盖区域内发送业务请求的用户 设备的数量高于第一阔值， 向所述容量基站发送第二激活请求， 所述第二激活 请求用于请求处于休眠状态的容量基站从休眠状态进入中间状态，所述中间状 态指在所述中间状态下所述容量基站承载连接状态用户设备而不承载空闲状 态用户设备； 所述容量基站进入所述中间状态后， 将所述用户设备转移连接到 处于中间状态的所述容量基站；
所述容量基站位于所述覆盖基站的覆盖范围内，用于接收所述第二激活请 求， 所述第二激活请求用于请求容量基站从休眠状态进入中间状态，在所述中 间状态下容量基站承载连接状态用户设备而不承载空闲状态用户设备，在休眠 状态下， 所述容量基站不承载任何状态的用户设备； 根据所述第二激活请求， 从当前休眠状态进入中间状态， 并向基站控制器发送第二激活请求应答消息； 进入中间状态后， 与转移过来的用户设备建立连接。
本发明实施例中的方法及系统，使得容量基站或小区从进入中间状态， 在 中间状态不承载空闲态用户设备，从而避免了空闲状态用户设备在覆盖基站或 小区和容量基站或小区之间的移动性。
附图说明
图 la是现有技术中覆盖基站或小区、容量基站或小区的网络场景示意图； 图 lb是现有技术中另一种覆盖基站或小区、 容量基站或小区的网络场景 示意图；
图 lc是现有技术中另一种覆盖基站或小区、 容量基站或小区的网络场景 示意图；
图 2是本发明实施例提供的一种基站节能方法的流程图；
图 3是本发明实施例提供的另一种基站节能方法的流程图；
图 4是本发明实施例提供的另一种基站节能方法的流程图；
图 5是本发明实施例提供的另一种基站节能方法的流程图；
图 6是本发明实施例提供的另一种基站节能方法的流程图；
图 7是本发明实施例提供的另一种基站节能方法的流程图；
图 8是本发明实施例提供的另一种基站节能方法的流程图；
图 9 是本发明实施例提供的容量基站或小区的三种状态之间转换的结构 示意图； 图 10A是本发明实施例提供的 -种具体应用例中容量基站或小区从正常 状态进入中间状态的流程图；
图 10B是本发明实施例提供的 -种具体应用例中容量基站或小区从正常 状态进入休眠状态的流程图；
图 10C是本发明实施例提供的 -种具体应用例中容量基站或小区从中间 状态进入休眠状态的流程图；
图 10D1是本发明实施例提供的 -种具体应用例中一种容量基站或小区从 中间状态进入正常状态的流程图；
图 10D2是本发明实施例提供的 -种具体应用例中另一种容量基站或小区 从中间状态进入正常状态的流程图；
图 10E是本发明实施例提供的 -种具体应用例中容量基站或小区从休眠 状态进入中间状态的流程图；
图 10F 是本发明实施例提供的 种具体应用例中容量基站或小区从休眠 状态进入正常状态的流程图；
图 11是本发明实施例基站控制 的结构示意图；
图 12是本发明实施例基站的结. 示意图。
具体实施方式 本发明实施例提供的一种基站节能方法，本实施例方法是系统中管理覆盖 基站或小区的基站控制器执行的方法，且本实施例方法中涉及的容量基站或小 区均处于覆盖基站或小区覆盖范围内：
适用于如图 la、 lb和 lc所示的系统中， 应理解， 本发明实施例的技术方 案可以应用于各种通信系统网络， 例如： 全球移动通讯 （Global System of Mobile communication,简称为" GSM" )系统、码分多址（ Code Division Multiple Access ,简称为" CDMA" )系统、宽带码分多址（ Wideband Code Division Multiple Access, 简称为 "WCDMA" ) 系统、 通用分组无线业务（ General Packet Radio Service, 简称为 "GPRS" )、 长期演进（ Long Term Evolution, 简称为 "LTE" ) 系统、 LTE频分双工（Frequency Division Duplex, 简称为 "FDD" ) 系统、 LTE 时分双工（ Time Division Duplex,简称为 "TDD" )、通用移动通信系统（ Universal Mobile Telecommunication System , 简称为 "UMTS" )、 全球互联微波接入 ( Worldwide Interoperability for Microwave Access , 简称为" WiMAX" )通信系 统等,网络一或二可以是其中的两种不同的网络系统。
在本发明实施例中， 用户设备 ( User Equipment, 简称为" UE" )可称之为 终端（Terminal ), 移动台 （ Mobile Station, 简称为 "MS" )、 移动终端 （Mobile Terminal )等， 该用户设备可以经无线接入网 （ Radio Access Network, 简称为 "RAN" )与一个或多个核心网进行通信， 例如， 用户设备可以是移动电话（或 称为"蜂窝"电话）、 具有移动终端的计算机等， 例如， 用户设备还可以是便携 式、 袖珍式、 手持式、 计算机内置的或者车载的移动装置， 它们与无线接入网 交换语音和 /或数据。
本发明实施例的方法流程图如图 2所示， 包括：
步骤 101 , 检测覆盖基站或小区覆盖内发起业务的用户设备数目是否高于 第一阔值。如果高于第一阔值则进行进行该方法的的后续步骤，执行步骤 102; 如果不高于第一阔值那么则不应该本实施例的节能方法， 流程结束。
本步骤及本申请文件中的业务可以是如下的一种或几种： 1 )覆盖基站或 小区承载不了， 仅能由容量基站或小区承载的业务； 2 )覆盖基站或小区、 容 量基站或小区都能承载，但是在容量基站或小区承载时消耗较少能量或有较高 能量效率的业务； 或， 3 )覆盖基站或小区、 容量基站或小区都能承载， 但是 在容量基站或小区承载时用户感受较好的业务，上述业务可以认为是特殊的业 务。 判断用户设备发起上述业务的方法包括： 1 )检测到用户设备正在进行上 述业务； 或， 2 )检测到用户设备有建立上述业务的业务请求， 或业务请求中 携带有上述业务的业务标识。
在具体实施中， 上述步骤则可能会省略， 例如设备数目高于第一阔值后直 接向基站控制器报告或发送该覆盖基站覆盖范围内发起业务的用户设备数目， 或者直接记录发起业务的用户设备数目等。 在实施中第一阔值可以设置为 0, 即由用户设备发起上述的业务则可以直接触发下述的步骤,因此检测的步骤可 以省略。
步骤 102, 发送第二激活请求给处于休眠状态的容量基站或小区。 这里第 二激活请求用于请求处于休眠状态的容量基站或小区从休眠状态进入中间状 态。
可以理解，基站控制器可以请求所有处于休眠状态的容量基站或小区进入 中间状态； 也可以请求部分处于休眠状态的容量基站或小区进入中间状态。
其中在中间状态下， 容量基站或小区只承载连接状态用户设备， 不承载空 闲状态用户设备；容量基站或小区还可以接收覆盖基站或小区转移过来的连接 状态用户设备。
在休眠状态下， 容量基站或小区不承载任何状态的用户设备。
步骤 103 , 将覆盖基站或小区发起业务的用户设备转移连接到进入中间状 态的容量基站或小区。
如果空闲状态的用户设备想要接入处于中间状态的容量基站或小区，则首 先需要覆盖基站或小区与该空闲状态的用户设备之间建立连接，这样使得空闲 态用户设备成为连接态用户设备；再通过覆盖基站或小区与容量基站或小区之 间的用户转移使用户设备接入到处于中间状态的容量基站或小区。
本发明实施例中的基站节能方法发送第二激活请求给所有或部分处于休 眠状态的容量基站或小区， 请求处于休眠状态的容量基站或小区进入中间状 态。 这样由于在中间状态下， 容量基站或小区能够承载连接状态用户设备， 可 以将发起特殊业务的覆盖基站或小区用户转移到处于中间状态的容量基站或 小区， 进而满足用户设备的特殊业务需求。
且本发明实施例中容量基站或小区从休眠状态进入中间状态后，不承载空 闲态用户设备，从而避免了空闲状态用户设备在覆盖基站或小区和容量基站或 小区之间的移动性。
参考图 3所示，在一个具体的实施例中， 系统中管理覆盖基站或小区的基 站控制器还可以通过如下的步骤来实现基站的节能，本实施例中容量基站或小 区从中间状态进入正常状态：
A1 : 检测连接状态用户设备向中间状态的容量基站或小区为目标的转移 次数是否高于第二阔值。 第二阔值的设置可以根据系统的容量情况,保证用户 有较好的体验.
B1 : 如果高于第二阔值， 则发送第一激活请求给处于中间状态的容量基 站或小区以使处于中间状态的容量基站或小区进入正常状态。
这里第一激活请求可以使得容量站进入正常状态，可以从休眠或者中间状 态进入正常状态，当前的实施例中用于请求容量基站或小区从中间状态进入正 常状态， 容量基站或小区在正常状态下可以承载任何状态的用户设备。
基站控制器可以请求所有处于中间状态的容量基站或小区进入正常状态； 也可以请求部分处于中间状态的容量基站或小区进入正常状态。
C1 : 基站控制器还可以检测覆盖基站或小区连接状态用户设备以处于中 间状态的容量基站或小区为目标基站的转移成功率是否低于第三阔值， 如果 是， 则执行步骤 B1 , 如果不是， 则结束流程。
D1 : 基站控制器还可以检测覆盖基站或小区负载量是否高于第四阔值， 如果是， 则执行步骤 B1 , 如果不是， 则结束流程。
第二阔值的设置可以根据系统的容量情况，保证用户有较好的体验。 通过 设置这些阔值来改变基站的状态以达到节能的目的。
参考图 4所示，在一个具体的实施例中， 管理覆盖基站或小区的基站控制 器还可以通过如下的步骤来实现基站的节能，本实施例中容量基站或小区从休 眠状态进入正常状态：
A2: 检测覆盖基站或小区负载量是否高于第五阔值， 如果是， 则执行步 骤 B2, 如果不是， 则结束流程。
B2: 发送第一激活请求给覆盖基站或小区覆盖范围内处于休眠状态的容 量基站或小区。
这里第一激活请求用于请求容量基站或小区从休眠状态进入正常状态，容 量基站或小区在正常状态下可以承载任何状态的用户设备。
可以理解，基站控制器可以请求所有处于休眠状态的容量基站或小区进入 正常状态； 也可以请求部分处于休眠状态的容量基站或小区进入正常状态。
本发明实施例还提供的另一种基站节能方法，本实施例方法是容量基站或 小区执行的方法，且本实施例方法中涉及的容量基站或小区均处于覆盖基站或 小区覆盖范围内：
适用于如图 la、 lb和 lc所示的系统中， 流程图如图 5所示， 包括： 步骤 201 : 接收第二激活请求， 该第二激活请求用于请求容量基站或小区 从休眠状态进入中间状态。
可以理解，当检测到覆盖基站或小区发起特殊业务的用户设备数目高于预 置的值， 则需要激活所有或部分处于休眠状态的容量基站或小区， 并发送第二 激活请求给这些容量基站或小区。
步骤 202: 从当前的休眠状态进入中间状态。
步骤 203: 接收转移过来的发起特殊业务的覆盖基站或小区用户设备。 其中在中间状态下， 容量基站或小区承载连接状态用户设备， 不承载空闲 状态用户设备；容量基站或小区还可以接收覆盖基站或小区转移过来的连接状 态用户设备。
在休眠状态下， 容量基站或小区不承载任何状态的用户设备。
本发明实施例中当容量基站或小区接收到第二激活请求，由当前的休眠状 态进入中间状态。 这样由于在中间状态下， 容量基站或小区能够承载连接状态 用户设备，可以将发起业务的覆盖基站或小区用户转移到处于中间状态的容量 基站或小区， 进而满足用户设备的业务需求。
本发明实施例中容量基站或小区从休眠状态进入中间状态后，不承载空闲 态用户设备，从而避免了空闲状态用户设备在覆盖基站或小区和容量基站或小 区之间的移动性。
参考图 6所示，在一个具体的实施例中， 容量基站或小区还可以通过如下 的步骤来实现基站的节能，本实施例中容量基站或小区从正常状态进入中间状 态或休眠状态：
A3 : 检测容量基站或小区负载总量是否低于第六阔值。
B3 : 如果低于第六阔值继续检测容量基站或小区发起业务的用户设备数 目是否高于第七阔值， 如果高于， 则执行步骤 C3; 如果不高于， 则执行步骤 D3。
C3: 容量基站或小区从当前的正常状态进入中间状态。
D3: 容量基站或小区从当前的正常状态进入休眠状态。
需要说明的是， 容量基站或小区进入中间状态之前，将发起非特殊业务的 用户设备转移到覆盖基站或小区； 容量基站或小区进入休眠状态之前， 将所有 连接状态用户设备转移到覆盖基站或小区。 参考图 7所示，在一个具体的实施例中， 容量基站或小区还可以通过如下 的步骤来实现基站的节能，本实施例中容量基站或小区从中间状态进入休眠状 态：
步骤 301 : 检测内容量基站或小区连接状态用户数目是否在第一时间内持 续低于第八阔值， 如果低于， 则执行步骤 302, 如果不低于， 则结束流程。
步骤 302: 容量基站或小区从当前的中间状态进入休眠状态。
需要说明的是， 容量基站或小区进入休眠状态之前， 需要将所有连接状态 用户设备转移到覆盖基站或小区。
参考图 8所示，在一个具体的实施例中， 容量基站或小区还可以通过如下 的步骤来实现基站的节能，本实施例中容量基站或小区从中间状态或休眠状态 进入正常状态：
步骤 401 : 接收第一激活请求， 该第一激活请求用于请求容量基站或小区 从中间状态或休眠状态进入正常状态。
步骤 402： 从当前的中间状态或休眠状态进入正常状态。
在一个具体的实施例中， 当容量基站或小区处于正常状态时：
当检测到容量基站或小区负载低于预置的值，且检测到容量基站或小区发 起特殊业务的用户数目高于预置的值时，容量基站或小区从正常状态进入中间 状态。
需要说明的是， 容量基站或小区进入中间状态之前，将发起非特殊业务的 用户设备转移到覆盖基站或小区。
具体的， 容量基站或小区进入中间状态之前， 可以重置小区选择参数， 并 更新系统信息， 禁止空闲状态用户驻留；
容量基站或小区进入中间状态之后，将容量基站或小区由正常状态进入中 间状态的状态转换消息通知管理覆盖基站或小区的基站控制器；基站控制器接 收到容量基站或小区由正常状态进入中间状态的消息后，可以重置覆盖基站或 小区小区重选参数， 并更新覆盖基站或小区系统信息， 禁止覆盖基站或小区空 闲状态用户重选到容量基站或小区。
在另一个具体的实施例中， 当容量基站或小区处于正常状态时： 当检测到容量基站或小区负载低于预置的值，且检测到容量基站或小区发 起特殊业务的用户设备数目低于预置的值时，容量基站或小区从正常状态进入 休眠状态。
需要说明的是， 容量基站或小区进入休眠状态之前，将所有连接状态用户 设备转移到覆盖基站或小区。
具体地， 容量基站或小区进入休眠状态之前， 可以重置小区选择参数， 并 更新系统信息， 禁止空闲状态用户驻留；
且容量基站或小区进入休眠状态之后，将容量基站或小区由正常状态进入 休眠状态的状态转换消息通知管理覆盖基站或小区的基站控制器；基站控制器 接收到容量基站或小区由正常状态进入休眠状态的消息后，可以重置覆盖基站 或小区小区重选参数， 并更新覆盖基站或小区系统信息， 禁止覆盖基站或小区 空闲状态用户重选到容量基站或小区。
在另一个具体的实施例中， 当容量基站或小区处于中间状态时： 当检测到预置时间内覆盖基站或小区连接状态用户设备以容量基站或小 区为目标基站的转移次数高于预置的值，或者检测到覆盖基站或小区连接状态 用户设备以容量基站或小区为目标基站的转移成功率低于预置的值，或者检测 到覆盖基站或小区负载高于预置的值时， 向容量基站或小区发送第一激活请 求； 这里的第一激活请求用于请求容量基站或小区从中间状态进入正常状态。
当容量基站或小区接收到第一激活请求时， 从中间状态进入正常状态。 具体地， 容量基站或小区进入正常状态之前， 可以重置小区选择参数， 并 更新系统信息， 允许空闲状态用户驻留；
且容量基站或小区进入正常状态之后，通过第一激活请求应答消息将容量 基站或小区由中间状态进入正常状态的状态转换消息通知基站控制器；基站控 制器接收到容量基站或小区由中间状态进入正常状态的消息后，可以重置覆盖 基站或小区小区重选参数， 并更新覆盖基站或小区系统信息， 允许覆盖基站或 小区空闲状态用户设备重选到容量基站或小区。
在另一个具体的实施例中， 当容量基站或小区处于中间状态时： 当检测到预置时间内容量基站或小区连接状态用户设备数目始终低于预 置的值时， 容量基站或小区从中间状态进入休眠状态；
需要说明的是， 容量基站或小区进入休眠状态之前，将全部连接状态用户 设备转移到覆盖基站或小区。
具体地， 容量基站或小区进入休眠状态之后，将容量基站或小区由中间状 态进入休眠状态的状态转换消息通知管理覆盖基站或小区的基站控制器。
在另一个具体的实施例中， 当容量基站或小区处于休眠状态时：
当覆盖基站或小区或基站控制器检测到覆盖基站或小区负载量高于预置 的值时， 向容量基站或小区发送第一激活请求； 这里的第一激活请求用于请求 容量基站或小区从休眠状态进入正常状态；
当容量基站或小区接收到第一激活请求时， 从休眠状态进入正常状态。 具体地， 容量基站或小区进入正常状态之前， 可以重置小区选择参数， 允 许空闲状态用户设备驻留；
且容量基站或小区进入正常状态之后，通过第一激活请求应答消息将容量 基站或小区由休眠状态进入正常状态的状态转换消息通知基站控制器；基站控 制器接收到容量基站或小区由休眠状态进入正常状态的消息后，可以重置覆盖 基站或小区小区重选参数， 并更新覆盖基站或小区系统信息， 允许覆盖基站或 小区空闲状态用户设备重选到容量基站或小区。
当容量基站或小区接收到第二激活请求时， 从休眠状态进入中间状态。 具体地， 容量基站或小区进入中间状态后，将覆盖基站或小区发起特殊业 务的用户设备转移到容量基站或小区。
且容量基站或小区进入中间状态后，通过第二激活请求应答消息将容量基 站或小区由休眠状态进入中间状态的状态转换消息通知管理覆盖基站或小区 的基站控制器。
可见， 参考图 9所示， 本发明实施例中， 容量基站或小区有三个状态即正 常状态、 中间状态和休眠状态。 当容量基站或小区处于正常状态时， 如果该容 量基站或小区的负载低于预置的值，且容量基站或小区发起特殊业务的用户设 备数目高于预置的值， 则会进入中间状态； 如果该容量基站或小区的负载低于 预置的值， 且容量基站或小区发起特殊业务的用户设备数目低于预置的值， 则 会进入休眠状态。 当容量基站或小区处于中间状态时，如果接收到第一激活请 求， 则会进入正常状态； 如果预置时间内容量基站或小区连接状态用户设备数 目始终低于预置的值，则会进入休眠状态。当容量基站或小区处于休眠状态时， 如果接收到第一激活请求， 则会进入正常状态； 如果接收到第二激活请求， 则 会进入中间状态。
以下以一个具体的实施例来说明本发明的基站节能方法：
本实施例中覆盖基站或小区和容量基站或小区属于不同的无线接入技术， 比如覆盖基站或小区为全球地面无线接入网 （UTRAN )基站或小区， 而容量 基站或小区是演进型全球地面无线接入网 （E-UTRAN )基站或小区。 无线网 络控制器 （Radio Network Controller, RNC )是管理覆盖基站或小区的基站控 制器。其中覆盖基站或小区提供基本的网络覆盖， 容量基站或小区处于覆盖基 站或小区覆盖范围内， 并被覆盖基站或小区完全覆盖。
( 1 )参考图 10a所示， 容量基站或小区由正常状态进入中间状态：
501、 当容量基站或小区处于正常状态时， 如果检测到该容量基站或小区 的负载低于预设门限值 HI , 且该容量基站或小区发起特殊业务的用户数目高 于预设门限值 H2, 则设置该容量基站或小区系统信息块类型 1消息 （System Information Block Typel message ) 中的小区承载参数 ( cellBarred ) 为"禁止承 载（barred ) ", 后更新系统信息， 同时转移发起非特殊业务的用户设备至所在 的覆盖基站或小区； 用户设备转移完成， 该容量基站或小区由正常状态进入中 间状态。
502、 容量基站或小区将由正常状态进入中间状态的状态转换消息通知无 线网络控制器。
503、 无线网络控制器接收到容量基站或小区离开正常状态通知后， 将该 容量基站或小区的物理小区标识（Physical Cell ID, PCI ) 添加到覆盖基站或 小区系统信息块类型 19消息（ System Information Block Type 19 message )中的 E-UTRAN频率和优先权信息表（ E-UTRAN Frequency and priority info list )中 的每频率小区黑名单（ Black Listed cells per freq list )中， 并更新覆盖基站或小 区小区系统信息。
( 2 )参考图 10b所示， 容量基站或小区由正常状态进入休眠状态： 504、 当容量基站或小区处于正常状态时， 如果检测到该容量基站或小区 的负载低于预设门限值 HI , 且该容量基站或小区发起特殊业务的用户设备数 目低于预设门限值 H2 , 则设置该容量基站或小区系统信息块类型 1 消息 ( System Information Block Typel message ) 中的小区 载参数 ( cellBarred ) 为"禁止承载 （barred )，，， 同时转移全部连接状态用户至所在的覆盖基站或小 区； 用户转移完成后， 该容量基站或小区由正常状态进入休眠状态。
505、 容量基站或小区将由正常状态进入休眠状态的状态转换消息通知无 线网络控制器。
506、 无线网络控制器接收到容量基站或小区离开正常状态通知后， 将该 容量基站或小区的物理小区标识， 添加到覆盖基站或小区系统信息块类型 19 消息 （ System Information Block Type 19 message ) 中的 E-UTRAN频率和优先 权信息表（ E-UTRAN Frequency and priority info list ) 中的每频率小区黑名单 ( Black Listed cells per freq list ) 中， 并更新覆盖基站或小区系统信息。
( 3 )容量基站或小区由中间状态进入休眠状态：
507、 当容量基站或小区处于中间状态时，如果检测到预置时间 T1内该容 量基站或小区连接状态用户设备数目始终低于预置门限 H3 , 则容量基站或小 区将所有连接状态用户设备转移到所在的覆盖基站或小区，并由中间状态进入 休眠状态。
508、 容量基站或小区将由中间状态进入休眠状态的状态转换消息通知无 线网络控制器。
( 4 )参考图 10dl所示， 容量基站或小区由中间状态进入正常状态：
509、 当容量基站或小区处于中间状态时， 如果基站控制器检测到预置时 间 T2内覆盖基站或小区连接状态用户以容量基站或小区为目标基站的转移次 数超过预设门限 H4 , 或者以容量基站或小区为目标基站的连接状态用户转移 成功率低于预设门限 H5 ,则基站控制器向容量基站或小区发送第一激活请求， 请求容量基站或小区进入正常状态。
510、 容量基站或小区接收到第一激活请求后， 设置该容量基站或小区系 统信息块类型 1消息（ System Information Block Typel message )中的小区承载 参数（cellBarred )为"允许承载（notBarred )，，， 并更新系统信息， 进入正常状 态。
511、 容量基站或小区进入正常状态后， 向基站控制器反馈第一激活请求 应答消息，该应答信息用于通知基站控制器该容量基站或小区由中间状态进入 正常状态。
512、基站控制器接收到容量基站或小区发送的第一激活请求应答消息后， 从覆盖基站或小区系统信息块类型 19消息 （ System Information Block Type 19 message ) 中的 E-UTRAN 频率和优先权信息表 ( E-UTRAN Frequency and priority info list ) 中的每频率小区黑名单 ( Black Listed cells per freq list ) 中将 该容量基站或小区的物理小区标识删除， 并更新覆盖基站或小区系统信息。
或者， 参考图 10d2所示， 容量基站或小区由中间状态进入正常状态：
513、 当容量基站或小区处于中间状态时， 如果基站控制器检测到覆盖基 站或小区负载超过预设门限 H6, 则向容量基站或小区发送第一激活请求， 请 求容量基站或小区进入正常状态。
514、 容量基站或小区接收到第一激活请求后， 设置该容量基站或小区系 统信息块类型 1消息（ System Information Block Typel message )中的小区承载 参数（cellBarred )为"允许承载（notBarred )，，， 并更新系统信息， 进入正常状 态。
515、 容量基站或小区进入正常状态后， 向基站控制器反馈第一激活请求 应答消息， 该应答信息用于通知基站控制器该容量基站或小区已进入正常状 态。
516、基站控制器接收到容量基站或小区发送的第一激活请求应答消息后， 从覆盖基站或小区系统信息块类型 19消息 （ System Information Block Type 19 message ) 中的 E-UTRAN 频率和优先权信息表 ( E-UTRAN Frequency and priority info list ) 中的每频率小区黑名单 （ Black Listed cells per freq list ) 中将 该容量基站或小区的物理小区标识删除， 并更新覆盖基站或小区系统信息。
( 5 )参考图 10e所示， 容量基站或小区由休眠状态进入中间状态：
517、 容量基站或小区处于休眠状态时， 如果基站控制器检测到覆盖基站 或小区发起特殊业务的用户设备数目超过预设门限 H7 , 则向容量基站或小区 发送第二激活请求， 请求该容量基站或小区进入中间状态。
518、 容量基站或小区接收到第二激活请求后， 进入中间状态。
519、 容量基站或小区进入中间状态后， 向基站控制器反馈第二激活请求 应答消息，该应答消息用于通知基站控制器该容量基站或小区由休眠状态进入 中间状态。
520、基站控制器接收到容量基站或小区发送的第二激活请求应答消息后， 覆盖基站或小区将发起特殊业务的全部或部分用户设备转移到该容量基站或 小区。
( 6 )参考图 10f所示， 容量基站或小区由休眠状态进入正常状态：
521、 容量基站或小区处于休眠状态时， 如果基站控制器检测到覆盖基站 或小区负载超过预设门限 H6, 则向容量基站或小区发送第一激活请求， 请求 容量基站或小区进入正常状态。
522、 容量基站或小区接收到第一激活请求后， 设置该容量基站或小区系 统信息块类型 1消息（ System Information Block Typel message )中的小区承载 参数 ( cellBarred )为"允许承载（notBarred )，，， 进入正常状态。
523、 容量基站或小区进入正常状态后， 向基站控制器反馈第一激活请求 应答消息， 该应答信息用于通知基站控制器该容量基站或小区已进入正常状 态。
524、基站控制器接收到容量基站或小区发送的第一激活请求应答消息后， 从覆盖基站或小区系统信息块类型 19消息 （ System Information Block Type 19 message ) 中的 E-UTRAN 频率和优先权信息表 ( E-UTRAN Frequency and priority info list ) 中的每频率小区黑名单 （ Black Listed cells per freq list ) 中将 该容量基站或小区的物理小区标识删除， 并更新覆盖基站或小区系统信息。
需要说明的是， 上述具体实施例中， 所有基站控制器与容量基站或小区之 间交互的信令，如第一或二激活请求、 第一激活请求应答消息或第二激活请求 应答消息、容量基站或小区的状态转换消息等， 都可以通过基站控制器和容量 基站或小区之间直传的方式或者经由核心网透传（如 RIM流程）的方式进行。
在其他具体的实施例中， 如果覆盖基站或小区为全球移动通信系统 ( GSM )或增强型数据速率 GSM技术（ EDGE )的无线接入网 （ Radio Access Network, GERAN )基站或小区， 而容量基站或小区是演进型全球地面无线接 入网 （E-UTRAN )基站或小区时， 基站节能方法同上述的当覆盖基站或小区 为全球地面无线接入网 （UTRAN )基站或小区， 而容量基站或小区是演进型 全球地面无线接入网 （E-UTRAN )基站或小区时的基站节能方法类似， 不同 之处在于管理 GERAN 基站或小区的基站控制器是 BSC ( Base Station Controller )。
容量基站或小区处于中间状态时，当用户设备结束特殊业务但仍处于连接 状态时， 容量基站或小区可以选择将该用户设备转移到覆盖基站或小区。
在其他具体的实施例中， 容量基站或小区可以在任意两个状态之间转换， 而不涉及第三个状态。例如，容量基站或小区在正常状态和中间状态之间转换， 但不进入休眠状态； 或者容量基站或小区在中间状态和休眠状态之间转换，但 不进入正常状态。
在上述所有实施例中， 容量基站或小区在三种状态之间转换时， 都会主动 或通过第一或第二激活请求应答消息将状态转换消息通知管理覆盖基站或小 区的基站控制器， 这样， 管理覆盖基站或小区的基站控制器可以确定容量基站 或小区具体所处的状态。 实际上， 在其他具体实施例中， 管理覆盖基站或小区 的基站控制器可以仅知道容量基站或小区是否处于正常状态，而不必知道容量 基站或小区处于非正常状态时， 具体是处于中间状态还是休眠状态， 即容量基 站或小区由中间状态进入休眠状态后，不将状态转换消息通知管理覆盖基站或 小区的基站控制器，这样管理覆盖基站或小区的基站控制器在发送第二激活请 求时， 需要同时将请求发送给处于休眠状态和中间状态的容量基站或小区， 容 量基站或小区在接收到第二激活请求时，如果当前处于中间状态， 则保持该状 态， 不做状态转换。
本发明实施例的技术方案同样可应用于未来的一种数据和信令分离的网 络架构， 这种架构下， 网络一的覆盖基站或小区又称为信令基站 （Signalling Base Station, SBS ), 用于建立网络和用户设备之间的控制面 （ Control Plane , 又称信令面， Signalling Plane )和用户面（ User Plane,又称数据面， Data Plane ), 或仅用于建立网络和用户设备之间的控制面 （信令面）； 网络二的容量基站或 小区又称为数据基站（ Data Base Station, DBS ) , 仅用于建立网络和用户设备 之间的用户面（数据面）。 应用本发明技术方案， 容量基站或小区（数据基站） 可以在中间状态和休眠状态之间转换， 以达到节能的目的。
且容量基站或小区处于中间状态时， 可以根据用户实际承载情况 (例如有 /无连接状态用户设备）、 连接状态用户设备对公共信号的实际需求情况（例如 用户设备是否需要获取导频信号、 广播消息、 同步信号等）， 对容量基站或小 区公共信号， 如导频、 同步、 广播、 寻呼等， 进行压缩和裁剪， 降低公共信号 冗余， 以达到进一步节能的目的。
本发明实施例还给出实现上述方法的基站及用户终端。该实施例的基站可 以是前述各通信系统中的基站。下述的装置类实施例能够实现方法相关实施例 的各流程步骤与功能。 参阅图 11,本发明实施例的基站控制器的结构示意图。
本发明实施例的基站控制器可以是前述各种通信中的基站控制器。本实施 例的基站控制器 11 包括天线单元 111 , 用于如果覆盖基站覆盖区域内发送业 务请求的用户设备的数量高于第一阔值， 向容量基站发送第二激活请求， 所述 第二激活请求用于请求处于休眠状态的容量基站从休眠状态进入中间状态，所 述中间状态指在所述中间状态下所述容量基站承载连接状态用户设备而不承 载空闲状态用户设备；
处理器单元 113 , 用于所述容量基站进入所述中间状态后， 将所述用户设 备转移连接到处于中间状态的所述容量基站。
进一步还可以包括检测单元 115 , 用于检测覆盖基站覆盖内发起业务的用 户设备数目是否高于所述第一阔值使得所述发送单元决定是否发送所述第二 激活请求。
其中覆盖基站覆盖内发起业务的用户设备所述发起的所述业务包括： 覆盖基站不能承载， 仅由容量基站或小区承载的业务； 或
在容量基站承载比在覆盖基站承载消耗较能量少或能量效率高的业务；在 容量基站承载比在覆盖基站承载用户感受好的业务。
如果将所述用户设备转移连接到处于中间状态的所述容量基站的转移次 数高于第二阔值，处理器单元可以向中间状态的所述容量基站发送第一激活请 求以使处于中间状态的容量基站进入正常状态。如果将所述用户设备转移连接 到处于中间状态的容量基站的成功率低于第三阔值，则处理器单元向中间状态 的容量基站发送第一激活请求以使处于中间状态的容量基站进入正常状态。如 果所述覆盖基站的负载量高于第四阔值，则处理器单元向中间状态的容量基站 发送第一激活请求以使处于中间状态的容量基站进入正常状态。如果所述覆盖 基站的负载量高于第五阔值，则处理器单元向中间状态的容量基站发送第一激 活请求以使处于睡眠状态的容量基站进入正常状态。
进一步，本发明实施例还给出一种基站，用于前述的各种通信系统中， 参阅图 12本发明实施例基站 12的结构示意图。 基站 12包括：
天线单元 120 , 用于接收第二激活请求， 所述第二激活请求用于请求所述 基站从休眠状态进入中间状态，在所述中间状态下所述基站承载连接状态用户 设备而不承载空闲状态用户设备，在休眠状态下， 所述基站不承载任何状态的 用户设备；
处理器单元 122, 用于根据所述第二激活请求， 从当前休眠状态进入中间 状态， 并向基站控制器发送第二激活请求应答消息；
链路建立单元 124, 用于进入中间状态后， 与转移过来的用户设备建立连 接。
进一步，如果与基站处于连接状态的用户数在第一时间内持续低于第七阔 值， 处理器单元 120还可以使得基站从当前的中间状态进入休眠状态。
在具体实施中， 天线单元 102还用于接收第一激活请求， 第一激活请求用 于请求所述基站从中间状态或休眠状态进入正常状态； 那么处理器单元 122 又用于根据所述第一激活请求， 从当前的中间状态或休眠状态进入正常状态。 如果所述基站负载总量低于第六阔值，并且与所述基站处于连接状态的用户设 备高于八阔值， 则处理器单元还用于从当前的正常状态进入中间状态。
处理器单元 122从当前的正常状态进入中间状态包括：设置该容量基站系 统信息块类型 1消息 System Information Block Typel message中的小区承载参 数 cellBarred为禁止承载 barred并更新系统信息， 使得该容量基站或小区由正 常状态进入中间状态。
处理器单元 122还用于如果所述基站负载总量低于第六阔值，并且与所述 基站处于连接状态的用户设备低于八阔值，则使得基站从当前的正常状态进入 休眠状态。
处理器单元 122在使得基站从当前的正常状态进入休眠状态过程为： 设置容量基站系统信息块类型 1 消息 （System Information Block Typel message ) 中的小区承载参数 ( cellBarred )为禁止承载 （ barred )，，， 同时转移 全部连接状态用户至所在的覆盖基站使得该容量基站由正常状态进入休眠状 态。
进一步， 处理器单元 122还能够使得基站进入中间状态之后，将进入中间 状态的状态转换消息通知基站控制器使得基站控制器重置覆盖基站的小区重 选参数，并能够禁止覆盖基站空闲状态用户重选到位于所述覆盖基站的覆盖范 围内的容量基站。
上述的基站控制器基站还可以组成一种通信系统，该通信系统釆用节能的 方法降低功耗。
本发明实施的信系统， 系统包括容量基站、 覆盖基站及基站控制器， 其中 基站控制器用于如果覆盖基站覆盖区域内发送业务请求的用户设备的数 量高于第一阔值， 向容量基站发送第二激活请求， 第二激活请求用于请求处于 休眠状态的容量基站从休眠状态进入中间状态，中间状态指在所述中间状态下 所述容量基站承载连接状态用户设备而不承载空闲状态用户设备；容量基站进 入所述中间状态后， 将所述用户设备转移连接到处于中间状态的所述容量基 站；
容量基站位于所述覆盖基站的覆盖范围内， 用于接收第二激活请求， 第二 激活请求用于请求容量基站从休眠状态进入中间状态，在中间状态下容量基站 承载连接状态用户设备而不承载空闲状态用户设备，在休眠状态下， 容量基站 不承载任何状态的用户设备； 根据第二激活请求，从当前休眠状态进入中间状 态， 并向基站控制器发送第二激活请求应答消息； 进入中间状态后， 与转移过 来的用户设备建立连接。 本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步 骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读 存储介质中， 存储介质可以包括： ROM、 RAM, 磁盘或光盘等。

Claims

权 利 要 求
1、 一种基站节能方法， 其特征在于， 包括：
如果覆盖基站覆盖区域内发送业务请求的用户设备的数量高于第一阔值， 向容量站发送第二激活请求，所述第二激活请求用于请求处于休眠状态的容量 基站从休眠状态进入中间状态，所述中间状态指在所述中间状态下所述容量基 站承载连接状态用户设备而不承载空闲状态用户设备；
所述容量基站进入所述中间状态后，将所述用户设备转移连接到处于中间 状态的所述容量基站。
2、 根据权利要求 1所述的方法， 其特征在于， 所述方法还包括： 检测所述覆盖基站覆盖区域内发起业务的用户设备数目是否高于所述第 一阔值。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 所述覆盖基站覆盖区 域内发送业务请求的用户设备高于第一阔值中所述业务请求所请求的业务包 括：
覆盖基站不能承载， 仅由容量基站或小区承载的业务； 或
在容量基站承载比在覆盖基站承载消耗较能量少或能量效率高的业务；在 容量基站承载比在覆盖基站承载用户感受好的业务。
4、 根据权利要求 1或 2所述的方法， 其特征在于， 所述方法还包括： 如果将所述用户设备转移连接到处于中间状态的所述容量基站的转移次 数高于第二阔值，向中间状态的所述容量基站发送第一激活请求以使处于中间 状态的容量基站进入正常状态。
5、 根据权利要求 1或 2所述的方法， 其特征在于， 所述方法还包括： 如果将所述用户设备转移连接到处于中间状态的所述容量基站的成功率 低于第三阔值，则向中间状态的所述容量基站发送第一激活请求以使处于中间 状态的容量基站进入正常状态。
6、 根据权利要求 1或 2所述的方法， 其特征在于， 所述方法还包括： 如果所述覆盖基站的负载量高于第四阔值，则向中间状态的所述容量基站 发送第一激活请求以使处于中间状态的容量基站进入正常状态。
7、 根据权利要求 1或 2所述的方法， 其特征在于， 所述方法还包括： 如果所述覆盖基站的负载量高于第五阔值，则向中间状态的所述容量基站 发送第一激活请求以使处于睡眠状态的容量基站进入正常状态。
8、 根据权利要求 1或 2所述的方法， 其特征在于， 所述方法还包括： 如果空闲状态的用户设备接入处于中间状态的所述容量基站，先与所述覆 盖基站建立连接使得空闲态用户设备成为连接态用户设备；再通过覆盖基站与 容量基站之间的转移连接使所述用户设备接入到处于中间状态的所述容量基 站。
9、 一种基站节能的方法， 其特征在于， 所述方法包括：
接收第二激活请求，所述第二激活请求用于请求容量基站从休眠状态进入 中间状态，在所述中间状态下容量基站承载连接状态用户设备而不承载空闲状 态用户设备， 在休眠状态下， 所述容量基站不承载任何状态的用户设备；
根据所述第二激活请求，从当前休眠状态进入中间状态， 并向基站控制器 发送第二激活请求应答消息；
进入中间状态后， 与转移过来的用户设备建立连接。
10、 根据权利要求 9所述方法， 其特征在于， 所述方法还包括：
如果与所述容量基站处于连接状态的用户数在第一时间内持续低于第八 阔值， 则所述容量基站从当前的中间状态进入休眠状态。
11、 根据权利要求 9或 10所述的方法， 其特征在于， 所述方法还包括： 接收第一激活请求，所述第一激活请求用于请求所述容量基站从中间状态 或休眠状态进入正常状态；
根据所述第一激活请求，所述容量基站从当前的中间状态或休眠状态进入 正常状态。
12、 根据权利要求 11所述的方法， 其特征在于， 所述方法还包括： 如果所述容量基站负载总量低于第六阔值，并且与所述容量基站处于连接 状态的用户设备高于第七阔值，则所述容量基站从当前的正常状态进入中间状 态。
13、 根据权利要求 12所述的方法， 其特征在于， 所述容量基站从当前的 正常状态进入中间状态包括：
设置该容量基站系统信息块类型 1消息 System Information Block Typel message中的小区承载参数 cellBarred为禁止承载 barred并更新系统信息， 使 得该容量基站或小区由正常状态进入中间状态。
14、 根据权利要求 11所述的方法， 其特征在于， 所述方法还包括： 如果所述容量基站负载总量低于第六阔值，并且与所述容量基站处于连接 状态的用户设备低于第七阔值，则所述容量基站从当前的正常状态进入休眠状 态。
15、 根据权利要求 14所述的方法， 其特征在于， 所述容量基站从当前的 正常状态进入休眠状态包括：
设置该容量基站系统信息块类型 1消息 （ System Information Block Type 1 message ) 中的小区承载参数（cellBarred )为禁止承载 （barred )，，， 同时转移 全部连接状态用户至所在的覆盖基站使得该容量基站由正常状态进入休眠状 态。
16、 根据权利要求 9所述的方法， 其特征在于， 所述容量基站进入中间状 态之后，将进入中间状态的状态转换消息通知管理覆盖基站的基站控制器使得 基站控制器可以重置覆盖基站的小区重选参数，并能够禁止覆盖基站空闲状态 用户重选到容量基站， 其中所述容量基站位于所述覆盖基站的覆盖范围内。
17、 一种基站控制器， 其特征在于， 所述基站控制器包括：
天线单元，用于如果覆盖基站覆盖区域内发送业务请求的用户设备的数量 高于第一阔值， 向容量基站发送第二激活请求， 所述第二激活请求用于请求处 于休眠状态的容量基站从休眠状态进入中间状态，所述中间状态指在所述中间 状态下所述容量基站承载连接状态用户设备而不承载空闲状态用户设备；
处理器单元， 用于所述容量基站进入所述中间状态后， 将所述用户设备转 移连接到处于中间状态的所述容量基站。
18、 根据权利要求 17所述的基站控制器， 其特征在于， 所述基站控制器 还包括：
检测单元，用于检测覆盖基站覆盖内发起业务的用户设备数目是否高于所 述第一阔值使得所述发送单元决定是否发送所述第二激活请求。
19、 根据权利要求 17或 18所述的权利要求， 其特征在于， 所述覆盖基站 覆盖内发起业务的用户设备所述发起的所述业务包括： 覆盖基站不能承载， 仅由容量基站或小区承载的业务； 或
在容量基站承载比在覆盖基站承载消耗较能量少或能量效率高的业务；在 容量基站承载比在覆盖基站承载用户感受好的业务。
20、 根据权利要求 17或 18所述的基站控制器， 其特征在于， 所述处理器 单元还进一步用于，如果将所述用户设备转移连接到处于中间状态的所述容量 基站的转移次数高于第二阔值，向中间状态的所述容量基站发送第一激活请求 以使处于中间状态的容量基站进入正常状态。
21、 根据权利要求 17或 18所述的基站控制器， 其特征在于， 所述处理器 单元还进一步用于，如果将所述用户设备转移连接到处于中间状态的所述容量 基站的成功率低于第三阔值，则向中间状态的所述容量基站发送第一激活请求 以使处于中间状态的容量基站进入正常状态。
22、 根据权利要求 17或 18所述的基站控制器， 其特征在于， 所述处理器 单元还进一步用于，如果所述覆盖基站的负载量高于第四阔值， 则向中间状态 的所述容量基站发送第一激活请求以使处于中间状态的容量基站进入正常状 态。
23、 根据权利要求 17或 18所述的基站控制器， 其特征在于， 所述处理器 单元还进一步用于，如果所述覆盖基站的负载量高于第五阔值， 则向中间状态 的所述容量基站发送第一激活请求以使处于睡眠状态的容量基站进入正常状 态。
24、 一种基站， 其特征在于， 所述基站包括：
天线单元， 用于接收第二激活请求， 所述第二激活请求用于请求所述基站 从休眠状态进入中间状态，在所述中间状态下所述基站承载连接状态用户设备 而不承载空闲状态用户设备，在休眠状态下， 所述基站不承载任何状态的用户 设备；
处理器单元，用于根据所述第二激活请求，从当前休眠状态进入中间状态， 并向基站控制器发送第二激活请求应答消息；
链路建立单元， 用于进入中间状态后， 与转移过来的用户设备建立连接。
25、 根据权利要求 24所述的基站， 其特征在于， 所述处理器单元还用于 如果与所述基站处于连接状态的用户数在第一时间内持续低于第八阔值，从当 前的中间状态进入休眠状态。
26、 根据权利要求 24或 25所述的基站， 其特征在于，
所述天线单元还用于接收第一激活请求，所述第一激活请求用于请求所述 基站从中间状态或休眠状态进入正常状态； 则
所述处理器单元， 用于根据所述第一激活请求，从当前的中间状态或休眠 状态进入正常状态。
27、 根据权利要求 26所述的基站， 其特征在于， 所述处理器单元还用于 如果所述基站负载总量低于第六阔值，并且与所述基站处于连接状态的用户设 备高于第七阔值， 则从当前的正常状态进入中间状态。
28、 根据权利要求 24所述的基站， 其特征在于， 所述处理器单元从当前 的正常状态进入中间状态包括:设置该容量基站系统信息块类型 1消息 System Information Block Typel message 中的小区承载参数 cellBarred 为禁止承载 barred并更新系统信息， 使得该容量基站或小区由正常状态进入中间状态。
29、 根据权利要求 23所述的基站， 其特征在于， 所述所述处理器单元还 用于如果所述基站负载总量低于第六阔值，并且与所述基站处于连接状态的用 户设备低于第七阔值， 则所述从当前的正常状态进入休眠状态。
30、 根据权利要求 29所述的基站， 其特征在于， 所述处理器单元从当前 的正常状态进入休眠状态包括：
设置该容量基站系统信息块类型 1消息 （ System Information Block Typel message ) 中的小区承载参数（cellBarred )为禁止承载 （barred )，，， 同时转移 全部连接状态用户至所在的覆盖基站使得该容量基站由正常状态进入休眠状 态。
31、 根据权利要求 24所述的基站， 其特征在于， 所述处理器单元还用于 所述基站进入中间状态之后，将进入中间状态的状态转换消息通知基站控制器 使得基站控制器重置覆盖基站的小区重选参数，并能够禁止覆盖基站空闲状态 用户重选到位于所述覆盖基站的覆盖范围内的容量基站。
32、 一种通信系统， 所述系统包括容量基站、 覆盖基站及基站控制器， 其 特征在于，
所述基站控制器用于如果所述覆盖基站覆盖区域内发送业务请求的用户 设备的数量高于第一阔值， 向所述容量基站发送第二激活请求， 所述第二激活 请求用于请求处于休眠状态的容量基站从休眠状态进入中间状态，所述中间状 态指在所述中间状态下所述容量基站承载连接状态用户设备而不承载空闲状 态用户设备； 所述容量基站进入所述中间状态后， 将所述用户设备转移连接到 处于中间状态的所述容量基站；
所述容量基站位于所述覆盖基站的覆盖范围内，用于接收所述第二激活请 求， 所述第二激活请求用于请求容量基站从休眠状态进入中间状态，在所述中 间状态下容量基站承载连接状态用户设备而不承载空闲状态用户设备，在休眠 状态下， 所述容量基站不承载任何状态的用户设备； 根据所述第二激活请求， 从当前休眠状态进入中间状态， 并向基站控制器发送第二激活请求应答消息； 进入中间状态后， 与转移过来的用户设备建立连接。
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