WO2011009415A1 - 系统间基站的节能控制方法与装置 - Google Patents

系统间基站的节能控制方法与装置 Download PDF

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Publication number
WO2011009415A1
WO2011009415A1 PCT/CN2010/075439 CN2010075439W WO2011009415A1 WO 2011009415 A1 WO2011009415 A1 WO 2011009415A1 CN 2010075439 W CN2010075439 W CN 2010075439W WO 2011009415 A1 WO2011009415 A1 WO 2011009415A1
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Prior art keywords
cell
inter
system cell
message
information
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PCT/CN2010/075439
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English (en)
French (fr)
Inventor
赵杰
高音
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to BR112012001290-8A priority Critical patent/BR112012001290B1/pt
Priority to US13/383,861 priority patent/US20120113882A1/en
Priority to ES10801974T priority patent/ES2762399T3/es
Priority to EP10801974.6A priority patent/EP2445269B1/en
Publication of WO2011009415A1 publication Critical patent/WO2011009415A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
    • 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 an energy-saving control technology for a base station, and in particular, to an energy-saving control method and apparatus for a base station between systems. Background technique
  • the technical solution for realizing energy saving of the base station is mainly to reduce the power consumption of the base station and reduce the power consumption of the heat dissipation by adopting a new energy-saving and environmental protection device and improving the heat dissipation material.
  • this technology has the following problems: The use of such devices increases the manufacturing cost of the base station, and at the same time, a large number of base stations that do not use such devices still fail to achieve energy saving.
  • SON Self-organizing network
  • LTE Long Term Evolution
  • RAN Radio Access Network
  • SON features include Self Configuring and Self Optimizing.
  • the main object of the present invention is to provide an energy-saving control method and apparatus for an inter-system base station, which can effectively implement base station energy saving between systems without affecting user access in the system.
  • An energy-saving control method for a base station between systems comprising:
  • the different system cell or the system cell of the present system may cause the heterogeneous system cell or the system cell to sleep.
  • the acquiring status information of the different system cell includes:
  • the system sends an inter-system cell information request message to the different system, and acquires status information of the different system cell from the received inter-system cell information response message of the different system.
  • the inter-system cell information request message and the inter-system cell information response message are newly created dedicated messages;
  • the inter-system cell information request message and the inter-system cell information response message are respectively directly transmitted by the base station and the mobility management entity MME.
  • the inter-system cell information request message and the inter-system cell information response message are carried by a direct information transfer DIRECT INFORMATION TRANSFER message between the base station controller and the core network.
  • the acquiring status information of the different system cell includes:
  • the inter-system cell information update message is a newly created dedicated message; or the inter-system cell information update message is carried by an MME DIRECT INFORMATION TRANSFER message or an MME CONFIGURATION TRANSFER message between the base station and the MME;
  • the inter-system cell information update message is carried by a DIRECT INFORMATION TRANSFER message between the base station controller and the core network.
  • the status information of the cell includes a load condition of the cell, whether it is in an energy-saving state, and a power-saving state corresponding to the set time period.
  • the energy saving control decision is performed, including:
  • waking up the different system cell according to the decision result including:
  • the system sends an inter-system cell wakeup request message to the different system, and determines that the different system cell is awakened from the received inter-system cell wakeup response message of the different system, and acquires the different system cell. Status information.
  • the inter-system cell wake-up request message and the inter-system cell wake-up response message are respectively newly created dedicated messages;
  • the inter-system cell wake-up request message and the inter-system cell wake-up response message are respectively carried by an eNB DIRECT INFORMATION TRANSFER message and an MME DIRECT INFORMATION TRANSFER message between the base station and the MME, or by an eNB CONFIGURATION TRANSFER message, an MME CONFIGURATION TRANSFER message, respectively.
  • the inter-system cell information request message and the inter-system cell information response message are carried by a DIRECT INFORMATION TRANSFER message between the base station controller and the core network.
  • An energy-saving control device for an inter-system base station comprising:
  • An acquiring unit configured to acquire status information of a different system cell
  • a determining unit configured to perform an energy-saving control decision according to status information of the different system cell and status information of a cell in the system that is the same as or adjacent to the coverage area of the different system cell;
  • an execution unit configured to wake up the heterogeneous system cell or the local system cell or to sleep the heterogeneous system cell or the local system cell according to the decision result of the determining unit.
  • the acquiring unit includes:
  • a sending module configured to send an inter-system cell information request message to the different system
  • a receiving module configured to receive an inter-system cell information response message of the different system
  • an acquiring module configured to acquire a status of the different system cell information
  • the inter-system cell information request message and the inter-system cell information response message are newly created dedicated messages;
  • the inter-system cell information request message and the inter-system cell information response message are respectively carried by an eNB DIRECT INFORMATION TRANSFER message and an MME DIRECT INFORMATION TRANSFER message between the base station and the MME, or by an eNB CONFIGURATION TRANSFER message, an MME CONFIGURATION TRANSFER message, respectively.
  • the inter-system cell information request message and the inter-system cell information response message are based on The DIRECT INFORMATION TRANSFER message is carried between the station controller and the core network.
  • the acquiring unit includes:
  • a receiving module configured to receive an inter-system cell information update message sent by the different system
  • An obtaining module configured to acquire status information of the different system cell.
  • the inter-system cell information update message is a newly created dedicated message; or the inter-system cell information update message is carried by an MME DIRECT INFORMATION TRANSFER message or an MME CONFIGURATION TRANSFER message between the base station and the MME;
  • the inter-system cell information update message is carried by a DIRECT INFORMATION TRANSFER message between the base station controller and the core network.
  • the status information of the cell includes a load condition of the cell, whether it is in an energy-saving state, and a power-saving state corresponding to the set time period.
  • the determining unit performs a power saving control decision, including:
  • the execution unit comprises:
  • a sending module configured to send an inter-system cell wake-up request message to the different system
  • a receiving module configured to receive an inter-system cell wake-up response message of the different system
  • a determining and acquiring module configured to determine the different-system cell Was awakened, and obtained the different Status information of the unified cell.
  • the inter-system cell wake-up request message and the inter-system cell wake-up response message are respectively newly created dedicated messages;
  • the inter-system cell wakeup request message and the inter-system cell wakeup response message are respectively carried by an eNB DIRECT INFORMATION TRANSFER message and an MME DIRECT INFORMATION TRANSFER message between the base station and the MME, or by an eNB CONFIGURATION TRANSFER message, an MME CONFIGURATION TRANSFER message, respectively.
  • the inter-system cell information request message and the inter-system cell information response message are carried by a DIRECT INFORMATION TRANSFER message between the base station controller and the core network.
  • the energy-saving control decision of the base station is performed according to the state information of the cell in the system, and the wake-up of the base station cell or the sleep state is implemented by the corresponding energy-saving control indication.
  • the status information of the different system cell is obtained through the newly established inter-system cell information request message and the inter-system cell information response message, or through the existing existing between the base station and the mobility management entity (MME, Mobility Management Entity).
  • MME Mobility Management Entity
  • the message carries the indication information of the state information of the different system cell, so as to obtain the state information of the different system cell.
  • the state information of the system cell can also be obtained through the interaction message between the base station controller and the core network.
  • the present invention When determining that the cell should enter the dormant state, the present invention will control the cell to enter a dormant state, and wake up the corresponding cell when there are many access users, thereby maximizing the energy saving of the base station, and the implementation is simple and practical.
  • FIG. 1 is a flowchart of Embodiment 1 of an energy-saving control method for an inter-system base station according to the present invention
  • FIG. 2 is a flowchart of Embodiment 2 of an energy-saving control method for an inter-system base station according to the present invention
  • FIG. 4 is a schematic diagram showing the structure of an energy-saving control device for an inter-system base station according to the present invention
  • FIG. 5 is a schematic structural diagram of a component of an acquisition unit according to the present invention.
  • FIG. 6 is a schematic diagram of another composition structure of an acquisition unit of the present invention.
  • FIG. 7 is a schematic structural diagram of an execution unit of the present invention. detailed description
  • the basic idea of the present invention is: performing the energy-saving control decision of the base station according to the state information of the cell in the system according to the state information of the cell in the system, and implementing wake-up or sleeping of the base station cell by using the corresponding energy-saving control indication. status.
  • the status information of the different system cell is obtained by using the newly established inter-system cell information request message and the inter-system cell information response message, or an indication of acquiring the status information of the different system cell by using the existing message bearer between the base station and the MME.
  • the information is used to obtain the state information of the different system cell.
  • the state information of the system cell can also be obtained through the interaction message between the base station controller and the core network.
  • the invention will control the cell to enter the dormant state when determining that the cell should enter the dormant state, and wake up the corresponding cell when there are many access users, thereby maximizing the energy saving of the base station, and the implementation is simple and practical.
  • the decision algorithm for the inter-system energy-saving control is based on the current time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state comprehensive decision; using the inter-system cell information request (INTER-RAT CELL INFO REQUEST)
  • the message carries an inter-system cell information request; an inter-RAT CELL INFO RESPONSE message is used to indicate that the processing is successful; and an inter-RAT CELL INFO FAILURE message is used to indicate that the processing fails;
  • the inter-system cell information update (INTER-RAT CELL INFO UPDATE) message is used to indicate inter-system cell information update; using inter-system ENERGY SAVINGS INDICATION Inter-system ENERGY SAVINGS RESPONSE message indicates that the processing is successful; the inter-system ENERGY SAVINGS FAILURE message indicates that the processing failed.
  • all the foregoing messages are message bodies newly set for implementing the technical solution of the present invention, and the message format of
  • Embodiment 1 is a flowchart of Embodiment 1 of an energy-saving control method for an inter-system base station according to the present invention. As shown in FIG. 1, the energy-saving control method for a base station between the example systems includes the following steps:
  • Step 101 Acquire information about the inter-RAT inter-system cell: status information such as energy-saving status (whether in a power-saving state) and load status; RATI initiates an INTER-RAT CELL INFO REQUEST message to RAT2, requesting information of the inter-system cell.
  • status information such as energy-saving status (whether in a power-saving state) and load status
  • RATI initiates an INTER-RAT CELL INFO REQUEST message to RAT2, requesting information of the inter-system cell.
  • Step 102 If the processing is successful, RAT2 returns an INTER-RAT CELL INFO RESPONSE message to the RATI, carrying the information of the requested cell: energy saving status (whether in a power saving state) and status information such as load status; if the processing fails, RAT2 returns INTER to RATI. -RAT CELL INFO FAILURE message.
  • Step 103 After the energy saving state of the RATI cell is changed, the INTER-RAT CELL INFO UPDATE is sent to transmit the energy saving state of the cell of the system to the different system RAT2.
  • Step 104 After receiving the INTER-RAT CELL INFO UPDATE, the RAT2 updates the state information (the energy saving state of the cell, etc.) of the cell that stores the RATI.
  • state information the energy saving state of the cell, etc.
  • Step 105 The RATI periodically performs the energy-saving control decision, and according to the time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state comprehensively perform energy-saving control decisions; for example, the conditions for entering the energy-saving state are: (1) daily During the time period from 22:00 to 7:00, the cell enters the sleep state, and the other time period resumes the working state; (2) the load of the different system cell is not overloaded; (3) the different system cell is not in the energy-saving state.
  • Step 106 The RATI periodically performs the energy-saving control decision, and according to the current time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state are comprehensively performed for the energy-saving control decision; when the RATI decision reaches the condition of the cell wake-up in the system Then, the wake-up recovery process of the cell of the system is performed.
  • the cell of the system when it is determined that the load of the hetero-system cell that is the same as or adjacent to the cell coverage area of the system is overloaded, and the cell of the system is in a dormant state, it is decided to wake up the cell of the system.
  • the pilot channel power of the carrier of the cell is restored to the working state value, and the energy saving state is exited.
  • the invention name is "carrier power control method and device”
  • the application number is 200910137213.8
  • the application date is April 23, 2009. day.
  • Step 107 The RATI periodically performs the energy-saving control decision, and according to the current time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state are comprehensively performed for the energy-saving control decision; when the RATI decision needs to wake up the cell of the different system, such as The cell of the system is in working state and is seriously overloaded.
  • the INTER-RAT ENERGY SAVINGS INDICATION message is sent to the RAT2 (the message may include the neighboring zone id of the different system, and the energy saving control indication: Wake up the cell), request to wake up the cell of RAT2.
  • the base station in RAT2 restores the pilot channel power of the carrier of the cell to the working state value and exits the power saving state.
  • Step 108 After receiving the INTER-RAT ENERGY SAVINGS INDICATION message, the RAT2 performs wake-up recovery of the system cell; if the processing is successful, returns INTER-RAT ENERGY SAVINGS RESPONSE to the RATI; if the processing fails, returns INTER-RAT ENERGY SAVINGS FAILURE to the RAT2.
  • the failure message can contain the reason for the failure.
  • the two messages of the eNB DIRECT INFORMATION TRANSFER and the MME DIRECT INFORMATION TRANSFER of the S1 interface are extended, and the cell is added to the message to indicate the inter-system cell information update, and a similar message can be newly constructed.
  • the function; the eNB CONFIGURATION TRANSFER, MME CONFIGURATION TRANSFER messages of the extended SI interface, adding cells in the message to indicate inter-system cell information request, inter-system cell information response, inter-system cell information failure response here can also be new Constructing a similar message to implement the function; extending the eNB CONFIGURATION TRANSFER, MME CONFIGURATION TRANSFER messages of the S1 interface, adding a cell to the message indicating an inter-system cell energy-saving control indication, an inter-system energy-saving control response, and an inter-system energy-saving control failure response,
  • Tables 1 to 6 The modifications related to the 36.413 protocol message are shown in Tables 1 to 6, respectively, where the bold italic and underlined parts are the newly added cell parts; Table 1 shows the Cell Identity Type message, Table 2 Shown as Inter-system Information Transfer Type message, Table 3 shows the SON ConfigurationTransfer message, Table 4 shows the SON Information message, and Table 5 shows the SON message.
  • Table 1 IE/Group Name Range IE type and reference letter type/group name range cell type and reference
  • Table 4 IE/Group Name Range IE type and reference letter type/group name range cell type and reference
  • Embodiment 2 is a flowchart of Embodiment 2 of an energy-saving control method for an inter-system base station according to the present invention. As shown in FIG. 2, the energy-saving control method for the base station between the example systems includes the following steps:
  • Step 201 Acquire information about the inter-RAT inter-system cell: a power saving state (whether it is in a power saving state), etc.; the RATI sends a CONFIGURATION TRANSFER message of the S1 port to the RAT2, and the content of the SON Information Request is inter-RAT cell info req, requesting the system Information about the cell.
  • Step 202 After receiving the CONFIGURATION TRANSFER message, the RAT2 returns a CONFIGURATION TRANSFER message to the RATI, carrying the cell SON Information Reply; if the processing is successful, the cell SON Information Reply carries the energy saving of the requested cell. Status cell energy savings status; If the processing fails, the cell SON Information Reply carries the cause of the failure.
  • Step 203 After the energy saving state of the RATI cell is changed, a Direct Information Transfer message is sent (the content of the Inter-system Information Transfer Type is: inter-RAT cell info), and the energy saving state of the cell of the system is transmitted to the inter-system RAT2.
  • the content of the Inter-system Information Transfer Type is: inter-RAT cell info
  • Step 204 After receiving the Direct Information Transfer message, the RAT2 updates the state information of the saved RATI cell (the energy saving state of the cell, etc.).
  • Step 205 The RATI periodically performs the energy-saving control decision, and according to the time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state are comprehensively performed for the energy-saving control decision; for example, the conditions for entering the energy-saving state include the following: Energy-saving status: (1) The cell enters the dormant state during the period from 22:00 to 7:00 every day, and the working state is restored in other time periods; (2) the load of the different system cell is not overloaded; (3) the different system cell is not in the energy-saving state After the RATI decision reaches the condition of cell dormancy in the system, the dormant energy-saving process of the cell of the system is performed;
  • Step 206 The RATI periodically performs the energy-saving control decision, and according to the time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state comprehensively perform the energy-saving control decision; when the RATI decision reaches the condition of the cell wake-up in the system , performing wake-up recovery processing of the cell of the system;
  • Step 207 The RATI periodically performs the energy-saving control decision, and according to the time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state are comprehensively performed for the energy-saving control decision; when the RATI decision needs to wake up the cell of the different system, such as this The cell of the system is in working state and is seriously overloaded.
  • the CONFIGURATION TRANSFER message is sent to the RAT2 (the inter-system cell wake-up indication is carried, and the content of the cell SON Information Request is: inter-RAT energy savings Indication), requesting to wake up the cell of RAT2;
  • Step 208 After receiving the CONFIGURATION TRANSFER message, the RAT2 performs the present Wake-up recovery of the system cell; returning CONFIGURATION TRANSFER to the RATI, carrying the cell SON Information Reply; the message processing is successful, the cell SON Information Reply carries the energy-saving state of the processed cell, cell energy savings status; if the processing fails, the cell SON Information Reply Carry the cause of failure.
  • the message formats in Tables 1 to 6 above are only exemplary descriptions, and other functions may be set for the messages in Tables 1 to 6 above.
  • the CONFIGURATION TRANSFER message may also carry the inter-system cell energy saving status. Instructions for changing, etc.
  • RNC, CN adding a cell to the message indicates that the inter-system cell information is updated.
  • a similar message can be newly constructed to implement the function; the DIRECT INFORMATION TRANSFER (RNC, CN) message of the Iu interface is extended, and a message is added to the message.
  • the element indicates the inter-system cell information request, the inter-system cell information response, and the inter-system cell information failure response.
  • a similar message can be newly constructed to implement the function; the DIRECT INFORMATION TRANSFER (RNC, CN) message of the Iu interface is extended, and the message is added.
  • the cell indicates the inter-system cell energy-saving control indication, the inter-system energy-saving control response, and the inter-system energy-saving control failure response.
  • a similar message can be newly constructed to implement the function.
  • Table 7 shows the modifications related to the 25.413 protocol message.
  • Table 7 shows the Inter-system Information Transfer Type message.
  • Table 8 shows the Cell Identity Type message
  • Table 9 shows the SON ConfigurationTransfer message
  • Table 10 shows the SON Information message
  • Table 11 shows the SON information.
  • Table 12 shows the Cause of Failure message.
  • the energy-saving control method for an exemplary inter-system base station according to the present invention includes the following steps:
  • Step 301 Acquire information about the inter-RAT inter-system cell: Energy-saving status (whether in the section The RATI sends a DIRECT INFORMATION TRANSFER message to the RAT2 through the Iu interface.
  • the content of the SON Information Request is inter-RAT cell info req, requesting information of the inter-system cell.
  • Step 302 After receiving the DIRECT INFORMATION TRANSFER message, the RAT2 returns a DIRECT INFORMATION TRANSFER message to the RATI, carrying the cell SON Information Reply; if the processing is successful, the cell SON Information Reply carries the energy saving status of the requested cell. Failed, the cell SON Information Reply carries the cause of the failure.
  • Step 303 After the energy saving state of the RATI cell is changed, the DIRECT INFORMATION TRANSFER message is sent (the content of the Inter-system Information Transfer Type is: inter-RAT cell info), and the energy saving state of the cell of the system is transmitted to the heterogeneous RAT2.
  • the DIRECT INFORMATION TRANSFER message is sent (the content of the Inter-system Information Transfer Type is: inter-RAT cell info), and the energy saving state of the cell of the system is transmitted to the heterogeneous RAT2.
  • Step 304 After receiving the DIRECT INFORMATION TRANSFER message, the RAT2 updates the state information of the saved RATI cell (the energy saving state of the cell, etc.).
  • Step 305 The RATI periodically performs the energy-saving control decision, and according to the time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state comprehensively perform energy-saving control decisions; for example, the conditions for entering the energy-saving state include the following, and all meet when satisfied Energy-saving status: (1) The cell enters the dormant state during the period from 22:00 to 7:00 every day, and the working state is restored in other time periods; (2) the load of the different system cell is not overloaded; (3) the different system cell is not in the energy-saving state When the RATI decision reaches the condition of cell dormancy in the system, the dormant energy-saving process of the cell of the system is performed.
  • Step 306 The RATI periodically performs the energy-saving control decision, and according to the time period, the energy-saving state of the system cell, the load condition of the different system cell, and the energy-saving state comprehensively perform the energy-saving control decision; when the RATI decision reaches the condition of the cell wake-up in the system Perform wakeup recovery processing of the cell of the system.
  • Step 307 The RATI periodically performs the energy-saving control decision, according to the time period, the system cell The energy-saving state, the load condition of the different system cells, and the energy-saving state comprehensively perform the energy-saving control decision; when the RATI decision needs to wake up the cell of the different system, if the cell of the system is in the working state and is seriously overloaded, the neighboring system of the different system
  • the RAT2 When in the energy-saving state, the RAT2 sends a DIRECT INFORMATION TRANSFER message (carrying the inter-system cell wakeup indication, and the cell SON Information Request content is inter-RAT energy savings indication), requesting to wake up the cell of RAT2.
  • Step 308 After receiving the DIRECT INFORMATION TRANSFER message, the RAT2 performs wakeup recovery of the cell of the system; returns a DIRECT INFORMATION TRANSFER message to the RATI, and carries the cell SON Information Reply; if the process is successful, the cell SON Information Reply carries the energy saving of the processed cell. Status cell energy savings status; If the processing fails, the cell SON Information Reply carries the failure cause Cause.
  • the energy-saving control apparatus of the inter-system base station of the present invention includes an obtaining unit 40, a determining unit 41, and an executing unit 42, wherein the obtaining unit 40
  • the determining unit 41 is configured to perform an energy saving control decision according to the state information of the different system cell and the state information of the cell in the system that is the same as or adjacent to the coverage area of the different system cell;
  • the executing unit 42 is configured to wake up the heterogeneous system cell or the local system cell according to the decision result of the determining unit, or to sleep the heterogeneous system cell or the local system cell.
  • the status information of the cell includes a load condition of the cell, whether it is in a power saving state, and a power saving state corresponding to the set time period.
  • the determining unit 41 performs the energy-saving control decision, and includes: determining that the cell of the system is in a dormant period, and the load of the different system cell that is the same as or adjacent to the cell coverage area of the system is not overloaded, and the different system cell is not in the energy-saving state.
  • FIG. 5 is a schematic structural diagram of a component of the acquiring unit of the present invention.
  • the acquiring unit 40 of the present invention includes a sending module 400, a receiving module 401, and an obtaining module 402, where the sending module 400 is used to send the different system.
  • the inter-system cell information request message is sent; the receiving module 401 is configured to receive the inter-system cell information response message of the different system; and the obtaining module 402 is configured to obtain the state information of the different system cell.
  • the inter-system cell information request message and the inter-system cell information response message are newly created dedicated messages; or the inter-system cell information request message and the inter-system cell information response message are respectively performed by an eNB DIRECT INFORMATION between the base station and the MME.
  • the TRANSFER message and the MME DIRECT INFORMATION TRANSFER message are carried, or are respectively carried by the eNB CONFIGURATION TRANSFER message, the MME CONFIGURATION TRANSFER message; or the inter-system cell information request message and the inter-system cell information response message are between the base station controller and the core network.
  • the DIRECT INFORMATION TRANSFER message is contained.
  • FIG. 6 is a schematic diagram of another component structure of the acquiring unit of the present invention.
  • the acquiring unit 40 of the present invention includes a receiving module 403 and an obtaining module 404, where the receiving module 403 is configured to receive the system sent by the different system.
  • the inter-cell information update message; the obtaining module 404 is configured to acquire state information of the hetero-system cell.
  • the inter-system cell information update message is a newly created dedicated message; or the inter-system cell information update message is carried by an MME DIRECT INFORMATION TRANSFER message or an MME CONFIGURATION TRANSFER message between the base station and the MME; or, the system
  • the inter-cell information update message is carried by a DIRECT INFORMATION TRANSFER message between the base station controller and the core network.
  • FIG. 7 is a schematic structural diagram of an execution unit of the present invention.
  • the execution unit 42 of the present invention includes an execution unit including a sending module 420, a receiving module 421, and a determining and acquiring module 422, wherein the sending module 420 is used for The reporting system sends an inter-system cell wakeup request message;
  • the receiving module 421 is configured to receive an inter-system cell wake-up response message of the different system.
  • the determining and acquiring module 422 is configured to determine that the different-system cell is awakened, and acquire state information of the different system cell.
  • the inter-system cell wake-up request message and the inter-system cell wake-up response message are respectively newly created dedicated messages; or, the inter-system cell wake-up request message and the inter-system cell wake-up response message are respectively performed by an eNB DIRECT between the base station and the MME.
  • the inter-system cell information request message and inter-system cell information response message from the base station controller and The DIRECT INFORMATION TRANSFER message is carried between the core networks.
  • the energy-saving control device of the inter-system base station shown in FIG. 4 is provided to implement the foregoing energy-saving control method for the inter-system base station, and each processing unit in the figure and the processes shown in FIG. 5 to FIG.
  • the implementation function of the processing module can be understood by referring to the related description of the foregoing method.
  • the functions of each processing unit and processing module can be implemented by a program running on the processor, or can be implemented by a specific logic circuit.

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Description

系统间基站的节能控制方法与装置 技术领域
本发明涉及基站的节能控制技术， 尤其涉及一种系统间基站的节能控 制方法与装置。 背景技术
目前电信行业逐渐进入微利阶段， 电信运营商在寻求扩大市场份额和 业务种类增收的同时， 也越来越重视节能等减支环节。 基站作为运营商能 源的消耗大户， 是节能的关键网元。 同时， 普通住户也越来越关注基站在 工作状态下存在电磁波辐射污染的问题。
实现基站节能的技术方案， 目前主要是通过釆用新型节能环保器件和 对散热材料进行改进的方式， 以减少基站的功耗， 同时降低散热带来的功 耗。 但是该技术存在如下问题： 釆用这类器件增加了基站的制造成本， 同 时， 大量的未釆用这类器件的基站仍达不到节能的目的。
自组织网络（ SON, Self Organizing Network )是长期演进 ( LTE, Long Term Evolution ) 系统无线接入网 （RAN, Radio Access Network )的一个关 键目标。 SON 功能包括自配置 （ Self Configuring ) 以及自优化 （ Self Optimizing )等。
由于运营商现存有大量成熟的 2G、 3G等网络， 在实际组网时多种制 式同时并存是比较常见的， 因此系统间无线接入技术（ inter-RAT , Radio Access Technology ) 的节能也是基站节能的一个重要方面。
目前， 并不存在基于系统间的基站节能的技术方案， 多系统覆盖网络 下的基站节能问题尚未被给予相应的关注。 发明内容
有鉴于此， 本发明的主要目的在于提供一种系统间基站的节能控制方 法与装置， 在不影响系统中用户接入的前提下， 能有效实现系统间的基站 节能。
为达到上述目的， 本发明的技术方案是这样实现的：
一种系统间基站的节能控制方法， 包括：
获取异系统小区的状态信息， 根据所述异系统小区的状态信息及本系 统中与所述异系统小区覆盖区域相同或相邻的小区的状态信息进行节能控 制判决， 并根据判决结果唤醒所述异系统小区或所述本系统小区或使所述 异系统小区或所述本系统小区休眠。
优选地， 获取异系统小区的状态信息， 包括：
所述本系统向所述异系统发送系统间小区信息请求消息， 从所接收到 的所述异系统的系统间小区信息响应消息中获取所述异系统小区的状态信 息。
优选地， 所述系统间小区信息请求消息及系统间小区信息响应消息为 新设的专用消息；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息分别 由基站与移动性管理实体 MME 之间的基站直接信息传递 eNB DIRECT
INFORMATION TRANSFER 消息及 MME 直接信息传递 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由基站配置传递 eNB
CONFIGURATION TRANSFER 消 息 、 MME 配 置 传 递 MME
CONFIGURATION TRANSFER消息 载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的直接信息传递 DIRECT INFORMATION TRANSFER消息 载。 优选地， 获取异系统小区的状态信息， 包括：
接收到所述异系统发送的系统间小区信息更新消息后提取所述异系统 小区的状态信息。
优选地， 所述系统间小区信息更新消息分别为新设的专用消息； 或者， 所述系统间小区信息更新消息由基站与 MME 之间的 MME DIRECT INFORMATION TRANSFER 消息或 MME CONFIGURATION TRANSFER消息 载；
或者， 所述系统间小区信息更新消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息 载。
优选地， 所述小区的状态信息包括小区的负荷情况、 是否处于节能状 态、 设定时段对应的节能状态。
优选地， 进行节能控制判决， 包括：
确定所述本系统小区处于休眠时间段， 与所述本系统小区覆盖区域相 同或相邻的异系统小区负荷不过载且所述异系统小区未处于节能状态时， 判决所述本系统小区进入休眠状态；
或者， 确定所述本系统小区负荷超载， 与所述本系统小区覆盖区域相 同或相邻的异系统小区处于休眠状态， 则判决唤醒所述异系统小区；
或者， 确定与所述本系统小区覆盖区域相同或相邻的异系统小区负荷 超载， 所述本系统小区处于休眠状态， 则判决唤醒所述本系统小区。
优选地， 根据判决结果唤醒所述异系统小区， 包括：
所述本系统向所述异系统发送系统间小区唤醒请求消息， 从所接收到 的所述异系统的系统间小区唤醒响应消息中确定所述异系统小区被唤醒， 并获取所述异系统小区的状态信息。
优选地， 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分 别为新设的专用消息； 或者， 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分别 由基站与 ΜΜΕ之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER 消息承载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。
一种系统间基站的节能控制装置， 包括：
获取单元， 用于获取异系统小区的状态信息；
判决单元， 用于根据所述异系统小区的状态信息及本系统中与所述异 系统小区覆盖区域相同或相邻的小区的状态信息进行节能控制判决；
执行单元， 用于根据所述判决单元的判决结果唤醒所述异系统小区或 所述本系统小区或使所述异系统小区或所述本系统小区休眠。
优选地， 所述获取单元包括：
发送模块， 用于向所述异系统发送系统间小区信息请求消息； 接收模块， 用于接收所述异系统的系统间小区信息响应消息； 以及 获取模块， 用于获取所述异系统小区的状态信息。
优选地， 所述系统间小区信息请求消息及系统间小区信息响应消息为 新设的专用消息；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息分别 由基站与 MME之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER 消息承载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。 优选地， 所述获取单元包括：
接收模块， 用于接收所述异系统发送的系统间小区信息更新消息； 以 及
获取模块， 用于获取所述异系统小区的状态信息。
优选地， 所述系统间小区信息更新消息分别为新设的专用消息； 或者， 所述系统间小区信息更新消息由基站与 MME 之间的 MME DIRECT INFORMATION TRANSFER 消息或 MME CONFIGURATION TRANSFER消息 载；
或者， 所述系统间小区信息更新消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息 载。
优选地， 所述小区的状态信息包括小区的负荷情况、 是否处于节能状 态、 设定时段对应的节能状态。
优选地， 所述判决单元进行节能控制判决， 包括：
确定所述本系统小区处于休眠时间段， 与所述本系统小区覆盖区域相 同或相邻的异系统小区负荷不过载且所述异系统小区未处于节能状态时， 判决所述本系统小区进入休眠状态；
或者， 确定所述本系统小区负荷超载， 与所述本系统小区覆盖区域相 同或相邻的异系统小区处于休眠状态， 则判决唤醒所述异系统小区；
或者， 确定与所述本系统小区覆盖区域相同或相邻的异系统小区负荷 超载， 所述本系统小区处于休眠状态， 则判决唤醒所述本系统小区。
优选地， 所述执行单元包括：
发送模块， 用于向所述异系统发送系统间小区唤醒请求消息； 接收模块， 用于接收所述异系统的系统间小区唤醒响应消息； 以及 确定及获取模块， 用于确定所述异系统小区被唤醒， 并获取所述异系 统小区的状态信息。
优选地， 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分 别为新设的专用消息；
或者， 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分别 由基站与 MME之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER 消息承载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。
本发明中， 通过获取异系统小区的状态信息， 根据本系统中小区的状 态信息， 进行基站的节能控制判决， 并通过相应的节能控制指示实现对基 站小区的唤醒或使其进入休眠状态。 这里， 异系统小区的状态信息通过新 设的系统间小区信息请求消息及系统间小区信息响应消息来获取， 或者， 通过基站与移动性管理实体（MME, Mobility Management Entity )之间的 现有的消息承载获取异系统小区的状态信息的指示信息， 从而获取异系统 小区的状态信息； 也可以通过基站控制器与核心网之间的交互消息实现系 统小区的状态信息的获取。 本发明在确定小区应该进入休眠状态时将控制 该小区进入休眠状态， 并在接入用户较多时对相应的小区进行唤醒， 最大 可能地实现了基站的节能， 实现简单且实用。 附图说明
图 1为本发明系统间基站的节能控制方法实施例一的流程图； 图 2为本发明系统间基站的节能控制方法实施例二的流程图； 图 3为本发明系统间基站的节能控制方法实施例三的流程图； 图 4为本发明系统间基站的节能控制装置的组成结构示意图； 图 5为本发明获取单元的一种组成结构示意图；
图 6为本发明获取单元的另一种组成结构示意图;
图 7为本发明执行单元的组成结构示意图。 具体实施方式
本发明的基本思想是： 通过获取异系统小区的状态信息， 根据本系统 中小区的状态信息， 进行基站的节能控制判决， 并通过相应的节能控制指 示实现对基站小区的唤醒或使其进入休眠状态。 这里， 异系统小区的状态 信息通过新设的系统间小区信息请求消息及系统间小区信息响应消息来获 取，或者，通过基站与 MME之间的现有消息承载获取异系统小区的状态信 息的指示信息， 从而获取异系统小区的状态信息； 也可以通过基站控制器 与核心网之间的交互消息实现系统小区的状态信息的获取。 本发明在确定 小区应该进入休眠状态时将控制该小区进入休眠状态， 并在接入用户较多 时对相应的小区进行唤醒， 最大可能地实现了基站的节能， 实现简单且实 用。
为使本发明的目的、 技术方案和优点更加清楚明白， 以下举实施例并 参照附图， 对本发明进一步详细说明。
实施例一
在本实施例中， 系统间节能控制的判决算法根据当前的时间段， 本系统 小区的节能状态， 异系统小区的负荷情况、 节能状态综合判决； 使用系统 间小区信息请求 （ INTER-RAT CELL INFO REQUEST ) 消息携带系统间小 区信息请求； 使用系统间小区信息响应 （ INTER-RAT CELL INFO RESPONSE )消息，表示处理成功； 使用系统间小区信息失败（ INTER-RAT CELL INFO FAILURE ) 消息， 表示处理失败； 使用系统间小区信息更新 ( INTER-RAT CELL INFO UPDATE )消息， 表示系统间小区信息更新； 使 用系统间节能控制指示（ INTER-RAT ENERGY SAVINGS INDICATION )消 息携带系统间节能控制指示； 使用系统间节能控制响应 （INTER-RAT ENERGY SAVINGS RESPONSE )消息， 表示处理成功； 使用系统间节能控 制失败消息 （ INTER-RAT ENERGY SAVINGS FAILURE ) 消息， 表示处理 失败。 需要说明的是， 上述的消息均是为实现本发明技术方案新设置的消 息体， 上述消息的消息格式并不限定， 只要包含上述相应的信息即可。
图 1为本发明系统间基站的节能控制方法实施例一的流程图，如图 1所 示， 本示例系统间基站的节能控制方法包括如下步骤：
步骤 101 : 获取 inter-RAT系统间小区的信息： 节能状态 （是否处于节 能状态） 以及负荷状况等状态信息； RATI 发起 INTER-RAT CELL INFO REQUEST消息给 RAT2 , 请求系统间小区的信息。
步骤 102: 如果处理成功， RAT2向 RATI返回 INTER-RAT CELL INFO RESPONSE消息， 携带请求的小区的信息： 节能状态（是否处于节能状态） 以及负荷状况等状态信息；如果处理失败， RAT2向 RATI返回 INTER-RAT CELL INFO FAILURE消息。
步骤 103: RATI的小区的节能状态发生变更后发送 INTER-RAT CELL INFO UPDATE将本系统的小区的节能状态传递给异系统 RAT2。
步骤 104: RAT2收到 INTER-RAT CELL INFO UPDATE后， 更新保存 RATI的小区的状态信息 （小区的节能状态等）。
步骤 105: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 例如进入节能状态的条件为： （1 )每天的 22:00~7:00的时间段小区进入休 眠状态， 其他时间段恢复工作状态； （2 )异系统小区负荷不过载； （3 )异 系统小区不处于节能状态。 当 RATI判决上述条件均满足时，促使本系统内 的小区进入节能状态： 进行本系统小区的休眠节能处理， 即使本系统小区 休眠， 将小区的载波的导频信道功率降为零或关断载波， 进入节能状态。 步骤 106: RATI周期性进行节能控制判决， 根据当前时间段， 本系统 小区的节能状态， 异系统小区的负荷情况、 节能状态综合进行节能控制判 决； 当 RATI判决达到本系统内的小区唤醒的条件后，进行本系统小区的唤 醒恢复处理， 如当确定与本系统小区覆盖区域相同或相邻的异系统小区负 荷超载、 本系统小区处于休眠状态时， 则判决唤醒本系统小区。 将小区的 载波的导频信道功率恢复成工作状态值， 并退出节能状态。
休眠和唤醒本系统内的小区的方法参考本申请人已在中国申请的专利 申请文件， 其发明名称为 "载波功率的控制方法及装置"， 申请号为 200910137213.8, 申请日为 2009年 4月 23 日。
步骤 107: RATI周期性进行节能控制判决， 根据当前时间段， 本系统 小区的节能状态， 异系统小区的负荷情况及节能状态综合进行节能控制判 决；当 RATI判决需要唤醒异系统的小区后，如本系统的小区处于工作状态， 且严重超负荷，而异系统的邻区处于节能状态时，向 RAT2发送 INTER-RAT ENERGY SAVINGS INDICATION消息 （消息中可以包含异系统的邻区 id, 节能控制指示： 唤醒小区）， 请求唤醒 RAT2的小区。 RAT2中的基站将小 区的载波的导频信道功率恢复成工作状态值， 并退出节能状态。
步骤 108: RAT2收到 INTER-RAT ENERGY SAVINGS INDICATION消 息后， 进行本系统小区的唤醒恢复； 如果处理成功， 向 RATI 返回 INTER-RAT ENERGY SAVINGS RESPONSE; 如果处理失败， 向 RAT2返 回 INTER-RAT ENERGY SAVINGS FAILURE, 失败消息中可以包含失败原 因。
实施例二
在本实施例中， 扩展 S1 接口的 eNB DIRECT INFORMATION TRANSFER, MME DIRECT INFORMATION TRANSFER这两个消息， 在 消息中增加信元表示系统间小区信息更新， 这里也可以新构造类似消息实 现该功能； 扩展 SI 接口的 eNB CONFIGURATION TRANSFER, MME CONFIGURATION TRANSFER这两个消息，在消息中增加信元表示系统间 小区信息请求、 系统间小区信息响应， 系统间小区信息失败响应， 这里也 可以新构造类似消息实现该功能； 扩展 S1接口的 eNB CONFIGURATION TRANSFER, MME CONFIGURATION TRANSFER这两个消息， 在消息中 增加信元表示系统间小区节能控制指示， 系统间节能控制响应， 系统间节 能控制失败响应， 这里也可以新构造类似消息实现该功能；
涉及对 36.413协议消息的修改分别如表 1至表 6所示， 其中， 粗斜体 及带下划线部分为新增信元部分； 表 1所示为小区标识类型 （Cell Identity Type ) 消息， 表 2 所示为系统间信息传递类型 （Inter-system Information Transfer Type )消息，表 3所示为 SON配置传递（ SON ConfigurationTransfer ) 消息， 表 4所示为 SON信息 （SON Information ) 消息， 表 5所示为 SON 信息应答 ( SON Information Reply) 消息， 表 6所示为失败原因 （ Cause ) 消息。
Figure imgf000012_0001
表 1 IE/Group Name Range IE type and reference 信 ¾/组名称 范围 信元类型和参考
Choice Inter-system Information
Transfer Type
系统间信息传递类型
>RIM Transfer 9.2.3.23
RIM信息传递
>inter-RA T cell info
系统间小区信息传递
»cell enersv savinss status ENUMERATED (
小区节能状态 Enersv savinss status节能状态,
Normal work status正常工作状态)
» Cell Identity 9.2.1.X1
小区 id
表 2
Figure imgf000013_0001
表 3
Figure imgf000013_0002
表 4 IE/Group Name Range IE type and reference 信 ¾/组名称 范围 信元类型和参考
SON Information Reply
SON信息应答
>X2 TNL Configuration Info 9.2.1.29
X2传输配置信息
>inter-RAT cell info rsp
系统间小区信息响应
»cell enersv savinss status ENUMERATED (
小区节能状态 Enersv savinss status节能状态,
Normal work status正常工作状态)
»Cause 9.2.1.3
>inter-RA T enersv savinss rsp
系统间节能控制响应
»cell enersv savinss status ENUMERATED (
小区节能状态 Enersv savinss status节能状态,
Normal work status正常工作状态)
»Cause 9.2.1.3
表 5
Figure imgf000014_0001
表 6
图 2为本发明系统间基站的节能控制方法实施例二的流程图，如图 2所 示， 本示例系统间基站的节能控制方法包括以下步骤：
步骤 201 : 获取 inter-RAT系统间小区的信息： 节能状态 （是否处于节 能状态）等； RATI 发送 S1 口的 CONFIGURATION TRANSFER消息给 RAT2 ,信元 SON Information Request内容为 inter-RAT cell info req, 请求系 统间小区的信息。
步骤 202: RAT2收到 CONFIGURATION TRANSFER消息后， 向 RATI 返回 CONFIGURATION TRANSFER 消息， 携带信元 SON Information Reply; 如果处理成功， 信元 SON Information Reply携带请求的小区的节能 状态 cell energy savings status; 如果处理失败 ,信元 SON Information Reply 携带失败原因 Cause。
步骤 203: RATI 的小区的节能状态发生变更后发送 Direct Information Transfer消息 (信元 Inter-system Information Transfer Type内容为： inter-RAT cell info ), 将本系统的小区的节能状态传递给异系统 RAT2。
步骤 204: RAT2收到 Direct Information Transfer消息后， 更新保存的 RATI的小区的状态信息 （小区的节能状态等）。
步骤 205: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 例如进入节能状态的条件包含如下， 都满足时进入节能状态： （1 )每天的 22:00~7:00的时间段小区进入休眠状态， 其他时间段恢复工作状态； （2 )异 系统小区负荷不过载； （3 )异系统小区不处于节能状态； 当 RATI判决达到 本系统内的小区休眠的条件后， 进行本系统小区的休眠节能处理；
步骤 206: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 当 RATI判决达到本系统内的小区唤醒的条件后，进行本系统小区的唤醒恢 复处理；
步骤 207: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 当 RATI判决需要唤醒异系统的小区后，如本系统的小区处于工作状态，且 严重超负荷， 而异系统的邻区处于节能状态时， 向 RAT2 发送 CONFIGURATION TRANSFER消息（携带系统间小区唤醒指示，信元 SON Information Request内容为： inter-RAT energy savings indication ), 请求唤醒 RAT2的小区；
步骤 208: RAT2收到 CONFIGURATION TRANSFER消息后， 进行本 系统小区的唤醒恢复； 向 RATI返回 CONFIGURATION TRANSFER, 携带 信元 SON Information Reply; 口果处理成功， 信元 SON Information Reply 携带处理后小区的节能状态 cell energy savings status; 如果处理失败， 信元 SON Information Reply携带失败原因 Cause。
需要说明的是， 上述表 1至表 6中的消息格式只是示例性的说明， 也可 以对前述表 1 至表 6 中的消息设置其他功能， 如 CONFIGURATION TRANSFER 消息中也可以承载系统间小区节能状态发生变更的指示信息 等。
实施例三
在本实施例中， 扩展 Iu接口的 DIRECT INFORMATION TRANSFER
( RNC、 CN ) 消息， 在消息中增加信元表示系统间小区信息更新， 这里也 可以新构造类似消息实现该功能； 扩展 Iu接口的 DIRECT INFORMATION TRANSFER ( RNC、 CN )消息， 在消息中增加信元表示系统间小区信息请 求， 系统间小区信息响应， 系统间小区信息失败响应， 这里也可以新构造 类似消息实现该功能；扩展 Iu接口的 DIRECT INFORMATION TRANSFER ( RNC, CN ) 消息， 在消息中增加信元表示系统间小区节能控制指示， 系 统间节能控制响应， 系统间节能控制失败响应， 这里也可以新构造类似消 息实现该功能。
涉及对 25.413协议消息的修改如表 7至表 12所示， 其中， 粗斜体及带 下划线部分为新增网元部分；表 7所示为系统间信息传递类型（ Inter-system Information Transfer Type ) 消息， 表 8所示为小区标识类型 （Cell Identity Type )消息，表 9所示为 SON配置传递（ SON ConfigurationTransfer )消息， 表 10所示为 SON信息 （SON Information ) 消息， 表 11所示为 SON信息 应答（ SON Information Reply )消息， 表 12所示为失败原因（ Cause )消息。 IE/Group Name Range IE type and reference 信 ¾/组名称 范围 信元类型和参考
Choice Inter-system Information Transfer
Type
系统间信息传递类型
>RIM Transfer 9.2.3.30
RIM信息传递
>inter-RA T cell info
系统间小区信息传递
»cell enersv savinss status ENUMERATED ( 小区节能状态 Enersv savinss status节能状态,
Normal work status正常工作状态)
» Cell Identity 9.2.1.X1
小区 id
> SON ConfisurationTransfer 9.2.1.X2
SON配 ί信息传递
表 7
Figure imgf000017_0001
表 8
Figure imgf000017_0002
表 9
Figure imgf000018_0001
Figure imgf000018_0002
表 11
Figure imgf000018_0003
表 12
图 3为本发明系统间基站的节能控制方法实施例三的流程图，如图 3所 示， 本发明示例系统间基站的节能控制方法包括以下步骤：
步骤 301 : 获取 inter-RAT系统间小区的信息： 节能状态 （是否处于节 能状态）等； RATI通过 Iu口发送 DIRECT INFORMATION TRANSFER消 息给 RAT2, 信元 SON Information Request内容为 inter-RAT cell info req, 请求系统间小区的信息。
步骤 302: RAT2收到 DIRECT INFORMATION TRANSFER消息后， 向 RATI 返回 DIRECT INFORMATION TRANSFER 消息， 携带信元 SON Information Reply; 如果处理成功， 信元 SON Information Reply携带请求的 小区的节能状态 cell energy savings status ; 如果处理失败， 信元 SON Information Reply携带失败原因 Cause。
步骤 303 : RATI 的小区的节能状态发生变更后发送 DIRECT INFORMATION TRANSFER消息 （信元 Inter-system Information Transfer Type内容为： inter-RAT cell info ), 将本系统的小区的节能状态传递给异系 统 RAT2。
步骤 304: RAT2收到 DIRECT INFORMATION TRANSFER消息后， 更 新保存的 RATI的小区的状态信息 （小区的节能状态等）。
步骤 305: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 例如进入节能状态的条件包含如下， 都满足时进入节能状态： （1 )每天的 22:00~7:00的时间段小区进入休眠状态， 其他时间段恢复工作状态； （2 )异 系统小区负荷不过载； （3 )异系统小区不处于节能状态； 当 RATI判决达到 本系统内的小区休眠的条件后， 进行本系统小区的休眠节能处理。
步骤 306: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 当 RATI判决达到本系统内的小区唤醒的条件后，进行本系统小区的唤醒恢 复处理。
步骤 307: RATI周期性进行节能控制判决， 根据时间段， 本系统小区 的节能状态， 异系统小区的负荷情况， 节能状态综合进行节能控制判决； 当 RATI判决需要唤醒异系统的小区后，如本系统的小区处于工作状态，且 严重超负荷， 而异系统的邻区处于节能状态时， 向 RAT2 发送 DIRECT INFORMATION TRANSFER消息 （携带系统间小区唤醒指示， 信元 SON Information Request内容为 inter-RAT energy savings indication ), 请求唤醒 RAT2的小区。
步骤 308: RAT2收到 DIRECT INFORMATION TRANSFER消息后， 进 行本系统小区的唤醒恢复； 向 RATI 返回 DIRECT INFORMATION TRANSFER消息， 携带信元 SON Information Reply; 如果处理成功， 信元 SON Information Reply携带处理后小区的节能状态 cell energy savings status; 如果处理失败， 信元 SON Information Reply携带失败原因 Cause。
图 4为本发明系统间基站的节能控制装置的组成结构示意图， 如图 4 所示， 本发明系统间基站的节能控制装置包括获取单元 40、 判决单元 41和 执行单元 42 , 其中， 获取单元 40用于获取异系统小区的状态信息； 判决单 元 41用于根据所述异系统小区的状态信息及本系统中与所述异系统小区覆 盖区域相同或相邻的小区的状态信息进行节能控制判决； 执行单元 42用于 根据所述判决单元的判决结果唤醒所述异系统小区或所述本系统小区， 或 使所述异系统小区或所述本系统小区休眠。 所述小区的状态信息包括小区 的负荷情况、 是否处于节能状态、 设定时段对应的节能状态。 判决单元 41 进行节能控制判决， 包括： 确定所述本系统小区处于休眠时间段， 与所述 本系统小区覆盖区域相同或相邻的异系统小区负荷不过载且所述异系统小 区未处于节能状态时， 判决所述本系统小区进入休眠状态； 或者， 确定所 述本系统小区负荷超载， 与所述本系统小区覆盖区域相同或相邻的异系统 小区处于休眠状态， 则判决唤醒所述异系统小区； 或者， 确定与所述本系 统小区覆盖区域相同或相邻的异系统小区负荷超载， 所述本系统小区处于 休眠状态， 则判决唤醒所述本系统小区。
图 5为本发明获取单元的一种组成结构示意图， 如图 5所示， 本发明 获取单元 40包括发送模块 400、 接收模块 401和获取模块 402 , 其中， 发 送模块 400用于向所述异系统发送系统间小区信息请求消息；接收模块 401 用于接收所述异系统的系统间小区信息响应消息； 获取模块 402用于获取 所述异系统小区的状态信息。 所述系统间小区信息请求消息及系统间小区 信息响应消息为新设的专用消息； 或者， 所述系统间小区信息请求消息及 系统间小区信息响应消息分别由基站与 MME 之间的 eNB DIRECT INFORMATION TRANSFER 消息及 MME DIRECT INFORMATION TRANSFER消息承载，或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER消息承载； 或者， 所述系统间小区信 息请求消息及系统间小区信息响应消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息 载。
图 6为本发明获取单元的另一种组成结构示意图， 如图 6所示， 本发 明获取单元 40包括接收模块 403和获取模块 404, 其中， 接收模块 403用 于接收所述异系统发送的系统间小区信息更新消息； 获取模块 404用于获 取所述异系统小区的状态信息。 所述系统间小区信息更新消息分别为新设 的专用消息； 或者， 所述系统间小区信息更新消息由基站与 MME之间的 MME DIRECT INFORMATION TRANSFER 消 息 或 MME CONFIGURATION TRANSFER消息承载； 或者 , 所述系统间小区信息更新 消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消 息承载。
图 7为本发明执行单元的组成结构示意图， 如图 7所示， 本发明执行 单元 42包括执行单元包括发送模块 420、 接收模块 421和确定及获取模块 422,其中，发送模块 420用于向所述异系统发送系统间小区唤醒请求消息； 接收模块 421 用于接收所述异系统的系统间小区唤醒响应消息； 确定及获 取模块 422用于确定所述异系统小区被唤醒， 并获取所述异系统小区的状 态信息。 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分别为 新设的专用消息； 或者， 所述系统间小区唤醒请求消息及系统间小区唤醒 响应消息分别由基站与 MME 之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER消息承载， 或 分 另1 J 由 eNB CONFIGURATION TRANSFER 消 息 、 MME CONFIGURATION TRANSFER消息承载； 或者 , 所述系统间小区信息请求 消息及系统间小区信息响应消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。
本领域技术人员应当理解， 图 4所示的系统间基站的节能控制装置是 为实现前述的系统间基站的节能控制方法而设置的， 图中的各处理单元以 及图 5至图 7所示的处理模块的实现功能可参照前述方法的相关描述而理 解， 各处理单元及处理模块的功能可通过运行于处理器上的程序而实现， 也可通过具体的逻辑电路而实现。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种系统间基站的节能控制方法， 其特征在于， 所述方法包括： 获取异系统小区的状态信息， 根据所述异系统小区的状态信息及本系 统中与所述异系统小区覆盖区域相同或相邻的小区的状态信息进行节能控 制判决， 并根据判决结果唤醒所述异系统小区或所述本系统小区， 或使所 述异系统小区或所述本系统小区休眠。
2、 根据权利要求 1所述的方法， 其特征在于， 获取异系统小区的状态 信息为：
所述本系统向所述异系统发送系统间小区信息请求消息， 从所接收到 的所述异系统的系统间小区信息响应消息中获取所述异系统小区的状态信 息。
3、 根据权利要求 2所述的方法， 其特征在于， 所述系统间小区信息请 求消息及系统间小区信息响应消息为新设的专用消息；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息分别 由基站与移动性管理实体 MME 之间的基站直接信息传递 eNB DIRECT INFORMATION TRANSFER 消息及 MME 直接信息传递 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由基站配置传递 eNB CONFIGURATION TRANSFER 消 息 、 MME 配 置 传 递 MME CONFIGURATION TRANSFER消息 载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的直接信息传递 DIRECT INFORMATION TRANSFER消息 载。
4、 根据权利要求 1所述的方法， 其特征在于， 获取异系统小区的状态 信息为：
接收到所述异系统发送的系统间小区信息更新消息后提取所述异系统 小区的状态信息。
5、 根据权利要求 4所述的方法， 其特征在于， 所述系统间小区信息更 新消息分别为新设的专用消息；
或者， 所述系统间小区信息更新消息由基站与 MME 之间的 MME DIRECT INFORMATION TRANSFER 消息或 MME CONFIGURATION TRANSFER消息 载；
或者， 所述系统间小区信息更新消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息 载。
6、 根据权利要求 1至 5任一项所述的方法， 其特征在于， 所述小区的 状态信息包括小区的负荷情况、 是否处于节能状态、 设定时段对应的节能 状态。
7、 根据权利要求 6所述的方法， 其特征在于， 进行节能控制判决为： 确定所述本系统小区处于休眠时间段， 与所述本系统小区覆盖区域相 同或相邻的异系统小区负荷不过载且所述异系统小区未处于节能状态时， 判决所述本系统小区进入休眠状态；
或者， 确定所述本系统小区负荷超载， 与所述本系统小区覆盖区域相 同或相邻的异系统小区处于休眠状态时， 判决唤醒所述异系统小区；
或者， 确定与所述本系统小区覆盖区域相同或相邻的异系统小区负荷 超载， 所述本系统小区处于休眠状态时， 判决唤醒所述本系统小区。
8、 根据权利要求 7所述的方法， 其特征在于， 根据判决结果唤醒所述 异系统小区为：
所述本系统向所述异系统发送系统间小区唤醒请求消息， 从所接收到 的所述异系统的系统间小区唤醒响应消息中确定所述异系统小区被唤醒， 并获取所述异系统小区的状态信息。
9、 根据权利要求 8所述的方法， 其特征在于， 所述系统间小区唤醒请 求消息及系统间小区唤醒响应消息分别为新设的专用消息；
或者， 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分别 由基站与 MME之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER 消息承载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。
10、 一种系统间基站的节能控制装置， 其特征在于， 所述装置包括获 取单元、 判决单元和执行单元； 其中，
获取单元， 用于获取异系统小区的状态信息；
判决单元， 用于根据所述异系统小区的状态信息及本系统中与所述异 系统小区覆盖区域相同或相邻的小区的状态信息进行节能控制判决；
执行单元， 用于根据所述判决单元的判决结果唤醒所述异系统小区， 或所述本系统小区或使所述异系统小区或所述本系统小区休眠。
11、 根据权利要求 10所述的装置， 其特征在于， 所述获取单元进一步 包括发送模块、 接收模块和获取模块； 其中，
发送模块， 用于向所述异系统发送系统间小区信息请求消息； 接收模块， 用于接收所述异系统的系统间小区信息响应消息； 获取模块， 用于获取所述异系统小区的状态信息。
12、 根据权利要求 11所述的装置， 其特征在于， 所述系统间小区信息 请求消息及系统间小区信息响应消息为新设的专用消息；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息分别 由基站与 MME之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER 消息承载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。
13、 根据权利要求 10所述的装置， 其特征在于， 所述获取单元进一步 包括接收模块和获取模块； 其中，
接收模块， 用于接收所述异系统发送的系统间小区信息更新消息； 获取模块， 用于获取所述异系统小区的状态信息。
14、 根据权利要求 13所述的装置， 其特征在于， 所述系统间小区信息 更新消息分别为新设的专用消息；
或者， 所述系统间小区信息更新消息由基站与 MME 之间的 MME DIRECT INFORMATION TRANSFER 消息或 MME CONFIGURATION TRANSFER消息 载；
或者， 所述系统间小区信息更新消息由基站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息 载。
15、 根据权利要求 10至 14任一项所述的装置， 其特征在于， 所述小 区的状态信息包括小区的负荷情况、 是否处于节能状态、 设定时段对应的 节能状态。
16、 根据权利要求 15所述的装置， 其特征在于， 所述判决单元进一步 地，
在确定所述本系统小区处于休眠时间段， 与所述本系统小区覆盖区域 相同或相邻的异系统小区负荷不过载且所述异系统小区未处于节能状态 时， 判决所述本系统小区进入休眠状态；
或者， 在确定所述本系统小区负荷超载， 与所述本系统小区覆盖区域 相同或相邻的异系统小区处于休眠状态时， 判决唤醒所述异系统小区； 或者， 在确定与所述本系统小区覆盖区域相同或相邻的异系统小区负 荷超载， 所述本系统小区处于休眠状态时， 判决唤醒所述本系统小区。
17、 根据权利要求 16所述的装置， 其特征在于， 所述执行单元进一步 包括发送模块、 接收模块和确定及获取模块； 其中，
发送模块， 用于向所述异系统发送系统间小区唤醒请求消息； 接收模块， 用于接收所述异系统的系统间小区唤醒响应消息； 确定及获取模块， 用于确定所述异系统小区被唤醒， 并获取所述异系 统小区的状态信息。
18、 根据权利要求 17所述的装置， 其特征在于， 所述系统间小区唤醒 请求消息及系统间小区唤醒响应消息分别为新设的专用消息；
或者， 所述系统间小区唤醒请求消息及系统间小区唤醒响应消息分别 由基站与 ΜΜΕ之间的 eNB DIRECT INFORMATION TRANSFER消息及 MME DIRECT INFORMATION TRANSFER 消息承载， 或分别由 eNB CONFIGURATION TRANSFER消息、 MME CONFIGURATION TRANSFER 消息 载；
或者， 所述系统间小区信息请求消息及系统间小区信息响应消息由基 站控制器与核心网之间的 DIRECT INFORMATION TRANSFER消息承载。
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