WO2014036691A1 - 一种小基站状态切换的方法及小基站 - Google Patents

一种小基站状态切换的方法及小基站 Download PDF

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Publication number
WO2014036691A1
WO2014036691A1 PCT/CN2012/080980 CN2012080980W WO2014036691A1 WO 2014036691 A1 WO2014036691 A1 WO 2014036691A1 CN 2012080980 W CN2012080980 W CN 2012080980W WO 2014036691 A1 WO2014036691 A1 WO 2014036691A1
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WO
WIPO (PCT)
Prior art keywords
base station
small base
signal strength
received signal
state
Prior art date
Application number
PCT/CN2012/080980
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English (en)
French (fr)
Inventor
吴建明
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280000886.9A priority Critical patent/CN103828480A/zh
Priority to PCT/CN2012/080980 priority patent/WO2014036691A1/zh
Publication of WO2014036691A1 publication Critical patent/WO2014036691A1/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
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • 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 method for small cell base state switching and a small base station.
  • a small base station is a base station that has a smaller transmission power, a monthly service range, and a smaller size than a macro base station.
  • the small base station installed in the macro base station network service can perform load offloading to the macro base station.
  • the small base station when there is no user equipment in the serving cell of the small base station or the macro base station can load the communication service with the existing user equipment, the small base station is still in working state, which causes unnecessary power waste and shortens the service life of the small base station.
  • the embodiment of the invention provides a method for small cell base state switching and a small base station, the method comprising:
  • a method for mode switching of a small base station is provided.
  • the coverage area of the small base station is in a coverage area of a macro base station, and the method includes:
  • the small base station detects, according to a preset first time period, an uplink received signal strength in the range of the uplink frequency point of the macro base station, to obtain an uplink received signal strength value of the macro base station;
  • the small base station determines a relationship between the uplink received signal strength value and a preset first threshold value
  • the small base station determines that the uplink received signal strength value is less than the first threshold, the small base station maintains or switches to a sleep state, where the sleep state is a state in which the small base station communication service is closed;
  • the small base station determines that the uplink received signal strength value is equal to the first threshold, And the small base station maintains a current state; if the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station maintains or switches to an active state, where the working state is The state in which the small base station communication service is turned on.
  • the small base station determines that the uplink received signal strength value is less than the first threshold, the small base station maintains or switches to a sleep state, specifically include:
  • the small base station determines whether the small base station is in an active state; if the small base station is in an active state, the small base station switches It is in a dormant state; if the small base station is in a dormant state, the small base station remains in a dormant state.
  • the method includes: if the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station determines whether the small base station is in a dormant state;
  • the small base station is switched to an active state; if the small base station is in an active state, the small base station remains in an active state.
  • the method further includes:
  • the uplink received signal strength value is a value of the broadband received total power RTWP or a received signal strength. Indicates the value of RSSI.
  • the method further includes:
  • the small base station separately records the number of times that the uplink received signal strength value is less than and greater than the first threshold value
  • the small base station performs a corresponding state switch.
  • the embodiment of the present invention provides a small base station, where the coverage area of the small base station is in a coverage area of the macro base station, and includes: a detecting unit, a determining unit, and a switching unit; And determining, by using a preset first time period, an uplink received signal strength in the uplink frequency point bandwidth of the macro base station, to obtain an uplink received signal strength value of the macro base station, where the determining unit is configured to determine the uplink The receiving signal strength value is related to a preset first threshold value; the switching unit is configured to: if the determining unit determines that the uplink received signal strength value is less than the first threshold, the small The base station maintains or switches to a dormant state, where the dormant state is a state in which the small cell communication service is off; the switching unit is further configured to: if the determining unit determines that the uplink received signal strength value is equal to the first door Limiting, the small base station is kept in a current state; the switching unit is
  • the switching unit is configured to: if the determining unit determines that the uplink received signal strength value is less than the first threshold, Keep or switch to sleep state, including:
  • the determining unit determines that the uplink received signal strength value is less than the first threshold, determining whether the small base station is in an active state
  • the switching unit is configured to: if the determining unit determines that the uplink received signal strength value is greater than the first threshold And determining, by the determining unit, that the uplink receiving signal strength value is greater than the first threshold, determining whether the small base station is in a dormant state;
  • the small base station is switched to an active state; if the small base station is in an active state, the small base station is kept in an active state.
  • the determining unit is further configured to: before the small base station is held or switched, Determining whether the small base station performs data transmission with the user equipment; the switching unit is further configured to: if the determining unit determines that the small base station and the user equipment have no data transmission, hold or switch the small base station Go to the sleep state.
  • the uplink received signal strength value is a total broadband reception. The value of the power RTWP or the received signal strength indicates the value of the RSSI.
  • the base station further includes: a counting unit, configured to: if the uplink received signal strength value is less than or greater than the first threshold, respectively, the uplink received signal strength value is less than and greater than the first gate The number of limits;
  • the counting unit is further configured to: if the number of times is greater than a preset number of times, the number of records is returned;
  • the switching unit is further configured to: if the number of times of recording by the counting unit is zero, the small base station performs corresponding state switching.
  • the embodiment of the present invention provides a method for base station state switching, and a small base station, where the small base station detects an uplink received signal strength in an uplink frequency point bandwidth range of the macro base station every predetermined first time period.
  • an uplink received signal strength value of the macro base station Determining, by the small base station, the relationship between the uplink received signal strength value and a preset first threshold value; if the small base station determines that the uplink received signal strength value is less than the first threshold, the small base station Maintaining or switching to a dormant state, the dormant state is a state in which the small base station communication service is closed; if the small base station determines that the uplink received signal strength value is equal to the first threshold, the small base station remains a current state; if the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station maintains or switches to an active state, where the working state is that the small base station communication service is enabled. status.
  • the small base station can obtain data transmission between the small base station and the user equipment according to the uplink received signal strength value, so that it can determine whether the small base station needs to load the load for the macro base station, thereby avoiding the small base station being in the non- The waste of electricity caused by work under the necessary working conditions, while extending the working life of the small base station.
  • FIG. 1 is a schematic diagram of a method for state switching of a small base station according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of another method for state switching of a small base station according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a small base station according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of still another small base station according to an embodiment of the present invention.
  • the mobile communication network mainly utilizes a macro base station to provide basic coverage, and at the same time utilizes a miniaturized base station to improve network coverage depth, increase network capacity, and enhance user perception.
  • the small base station installed in the macro base station network service may perform load offloading on the macro base station.
  • the small base station may be a Micro (micro base station), a Pico (pico base station), a home type base station (Home NodeB/Home eNodeB, HNB/HeNB), or the like.
  • Embodiment 1 An embodiment of the present invention provides a method for mode switching of a small base station, where a coverage area of the small base station is in a coverage area of a macro base station, as shown in FIG. 1 , the method includes:
  • the small base station detects, according to a preset first time period, an uplink received signal strength in an uplink frequency band of the macro base station, and obtains an uplink received signal strength value of the macro base station.
  • the working frequency range of the small base station and the macro base station may be the same or different, and is not specifically limited herein. When the working frequency range of the small base station and the macro base station are different, the small base station adjusts the frequency range of the detection by the same as the macro frequency base station.
  • the influencing factors of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station include the number of users in the uplink baseband bandwidth range of the macro base station, the user service type, and the wireless environment.
  • the uplink received signal strength detection indicator is specifically a Received Total Wide Band Power (RTWP); in a global mobile communication system (global system for mobile communications, In GSM), Code Division Multiple Access (CDMA), and Long Term Evolution (LTE), the uplink received signal strength detection indicator is specifically Received Signal Strength Indication (RSI).
  • RWP Received Total Wide Band Power
  • GSM Global System for mobile communications
  • CDMA Code Division Multiple Access
  • LTE Long Term Evolution
  • RSI Received Signal Strength Indication
  • the first time period is preset in the small base station, such as 1 hour, 30 minutes, etc., and may be determined according to the speed of the dormant response of the small base station and avoiding frequent sleep and wake-up, etc., in this embodiment of the present invention. No specific restrictions are made.
  • the small base station determines a relationship between the uplink received signal strength value and a preset first threshold value.
  • the value of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station is in a low value range;
  • the uplink received signal strength value in the uplink baseband bandwidth range of the macro base station is in a high value range.
  • the level of the uplink received signal strength value is also related to the distance between the user equipment and the small base station. The closer the user equipment is to the small base station, the higher the uplink received signal strength value, and vice versa, the lower the received signal strength value.
  • the first threshold is preset in the small base station, and the user equipment is in the coverage of the small base station.
  • the uplink received signal strength threshold for communicating with the macro base station.
  • each of the user equipments increases the uplink received signal strength of the macro base station, and the engineer can determine the first threshold value in the performance optimization process.
  • the first threshold value is set to the uplink received signal strength when the five user equipments communicate with the macro base station, and is not specifically limited herein.
  • the small base station determines that the uplink received signal strength value is less than the first threshold, the small base station maintains or switches to a sleep state, where the sleep state is a state in which the small base station communication service is closed. .
  • the uplink received signal strength value is less than the preset first threshold, it is indicated that no user equipment communicates with the macro base station in the coverage of the small base station, or a very small number of user equipments communicate with the macro base station and Within the macro base station load, in order to avoid unnecessary power waste, the small base station should be in a dormant state.
  • the current state of the small base station is the sleep state
  • the current state is maintained; if the current state of the small base station is the active state, the state is switched to the sleep state.
  • the small base station determines that the uplink received signal strength value is equal to the first threshold, the small base station maintains a current state.
  • the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station maintains or switches to an active state, where the working state is a state in which the small base station communication service is enabled. .
  • the user equipment and the macro base station When the uplink received signal strength value is greater than the preset first threshold, the user equipment and the macro base station perform communication services in the coverage of the small base station, and the small base station should be in a working state in order to share the load of the macro base station.
  • An embodiment of the present invention provides a method for state switching of a small base station, where the small base station detects an uplink received signal strength in an uplink frequency point bandwidth range of the macro base station after a preset first time period. The uplink received signal strength value of the macro base station. The small base station determines a relationship between the uplink received signal strength value and a preset first threshold value. If the small base station determines that the uplink received signal strength value is less than the first threshold, the small base station maintains or switches to a sleep state, where the sleep state is that the small base station communication service is closed.
  • the small base station determines that the uplink received signal strength value is equal to the first threshold, the small base station maintains a current state. And if the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station maintains or switches to an active state, where the working state is a state in which the small base station communication service is enabled.
  • the small base station can obtain data transmission between the small base station and the user equipment according to the uplink received signal strength value, so that it can determine whether the small base station needs to load the load for the macro base station, thereby avoiding the small base station being in the non- The waste of electricity caused by work under the necessary working conditions, while extending the working life of the small base station.
  • Embodiment 2 provides a method for state switching of a small base station, where a coverage area of the small base station is in a coverage area of a macro base station, as shown in FIG. 2, the method includes:
  • the small base station determines whether it performs data transmission with the user equipment. When the small base station has communication service with the user equipment, the small base station and the user equipment have signaling or user plane data transmission. Based on this, the small base station can judge whether there is a user equipment that needs to communicate under the small base station.
  • the small base station determines that the small base station has no data transmission with the user equipment, the small base station maintains or switches to the sleep state. If the small base station determines that the small base station has no data transmission with the user equipment, it indicates that no user equipment needs to perform communication service under the small base station, and the small base station maintains or switches to the sleep state.
  • the small base station determines that the small base station has data transmission with the user equipment, the small base station performs uplink reception in an uplink frequency point bandwidth range of the macro base station every predetermined first time period.
  • the signal strength is detected to obtain an uplink received signal strength value of the macro base station.
  • the working frequency range of the small base station and the macro base station may be the same or different, and is not specifically limited herein.
  • the small base station adjusts the frequency range of the detection by the small base station to be the same as the working frequency range of the macro base station.
  • the influencing factors of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station include the number of users in the uplink baseband bandwidth range of the macro base station, the user service type, and the wireless environment.
  • the uplink received signal strength detection indicator is specifically a Received Total Wide Band Power (RTWP); in the global system for mobile communications (GSM) In the Code Division Multiple Access (CDMA) and Long Term Evolution (LTE), the uplink received signal strength detection indicator is specifically Received Signal Strength Indication (RSI).
  • RWP Received Total Wide Band Power
  • GSM Global System for mobile communications
  • CDMA Code Division Multiple Access
  • LTE Long Term Evolution
  • RSI Received Signal Strength Indication
  • the first time period is preset in the small base station, such as 1 hour, 30 minutes, etc., and may be determined according to the speed of the dormant response of the small base station and avoiding frequent sleep and wake-up, etc., in this embodiment of the present invention. No specific restrictions are made.
  • the small base station determines a relationship between the uplink received signal strength value and a preset first threshold value.
  • the value of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station is in a low value range;
  • the uplink received signal strength value in the uplink baseband bandwidth range of the macro base station is in a high value range.
  • the level of the uplink received signal strength value is also related to the distance between the user equipment and the small base station. The closer the user equipment is to the small base station, the higher the uplink received signal strength value, and vice versa, the lower the received signal strength value.
  • the first threshold is preset in the small base station, and is an uplink received signal strength threshold value for the communication service between the user equipment and the macro base station in the coverage of the small base station.
  • an uplink received signal strength threshold value for the communication service between the user equipment and the macro base station in the coverage of the small base station.
  • each of the user equipments increases the uplink received signal strength of the macro base station, and the engineer can determine the first threshold value in the performance optimization process.
  • the first threshold value is set to the uplink received signal strength when the five user equipments communicate with the macro base station, and is not specifically limited herein.
  • the small base station determines that the uplink received signal strength value is less than the first threshold, the small base station maintains or switches to a sleep state, where the sleep state is a state in which the small base station communication service is closed. .
  • the uplink received signal strength value is less than the preset first threshold, it is indicated that no user equipment communicates with the macro base station in the coverage of the small base station, or a very small number of users
  • the device communicates with the macro base station and within the macro base station load, the small base station should be in a dormant state in order to avoid unnecessary power waste.
  • the current state of the small base station is the sleep state
  • the current state is maintained; if the current state of the small base station is the active state, the state is switched to the sleep state.
  • the small base station determines that the uplink received signal strength value is equal to the first threshold, the small base station maintains a current state.
  • the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station maintains or switches to an active state, where the working state is a state in which the small base station communication service is enabled. .
  • the user equipment and the macro base station When the uplink received signal strength value is greater than the preset first threshold, the user equipment and the macro base station perform communication services in the coverage of the small base station, and the small base station should be in a working state in order to share the load of the macro base station. Therefore, if the current state of the small base station is the active state, the current state is maintained; if the current state of the small base station is the sleep state, the state is switched to the working state.
  • the small base station determining whether the small base station performs data transmission with the user equipment is not limited to determining, by the small base station, the uplink received signal strength value and the first gate.
  • the relationship between the limits is performed before, the foregoing two determining processes may be simultaneous or indiscriminate, but as long as the small base station has no data transmission with the user equipment, the small base station is according to the current work of the small base station.
  • the state remains or switches to sleep.
  • the uplink received signal strength value is less than or greater than the first threshold, the method further includes:
  • the small base station records the number of times that the uplink received signal strength value is less than and greater than the first threshold value. If the number of times is greater than the preset number of times, the number of times of recording is zero, and the small base station performs corresponding state switching.
  • the embodiment of the invention provides a method for state switching of a small base station, and the small base station determines whether the small base station performs data transmission with the user equipment. If the small base station determines that the small base station has no data transmission with the user equipment, the small base station maintains or switches to the rest Sleep state. If the small base station determines that the small base station has data transmission with the user equipment, the small base station performs uplink receiving signal strength in the uplink frequency point bandwidth range of the macro base station every predetermined first time period.
  • the small base station determines a relationship between the uplink received signal strength value and a preset first threshold value. And if the small base station determines that the uplink received signal strength value is less than a preset first threshold, the small base station maintains or switches to a sleep state, where the sleep state is a state in which the small base station communication service is closed. And if the small base station determines that the uplink received signal strength value is equal to a preset first threshold, the small base station maintains a current state.
  • the small base station determines that the uplink received signal strength value is greater than the first threshold, the small base station maintains or switches to an active state, where the working state is a state in which the small base station communication service is enabled.
  • the small base station can obtain data transmission between the small base station and the user equipment according to the uplink received signal strength value, so that it can determine whether the small base station needs to load the load for the macro base station, thereby avoiding the small base station in The waste of electricity caused by work in non-essential working conditions, while extending the working life of small base stations.
  • the third embodiment of the present invention provides a small base station 30.
  • the coverage area of the small base station 30 is in the coverage area of the macro base station.
  • the method includes: a detecting unit 31, a determining unit 32, and a switching unit 33. .
  • the detecting unit 31 is configured to detect, according to a preset first time period, an uplink received signal strength in an uplink frequency point bandwidth of the macro base station, to obtain an uplink received signal strength value of the macro base station.
  • the working frequency range of the small base station 30 and the macro base station may be the same or different, and is not specifically limited herein.
  • the small base station 30 adjusts the detected frequency range to be the same as the macro base station's operating frequency range.
  • the influencing factors of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station include the number of users in the uplink baseband bandwidth range of the macro base station, the user service type, and the wireless environment.
  • the uplink received signal strength detection indicator is specifically a Received Total Wide Band Power (RTWP); in a global mobile communication system (global system for mobile communications, GSM), Code Division Multiple Access (Code Division Multiple Access, In the CDMA and Long Term Evolution (LTE), the uplink received signal strength detection indicator is specifically Received Signal Strength Indication (RSI).
  • the first time period is preset in the small base station 30, such as 1 hour, 30 minutes, etc., and may be determined according to the speed of the dormancy response of the small base station 30 and avoiding frequent sleep and wakeup, etc., where the present invention is The embodiment is not specifically limited.
  • the determining unit 32 is configured to determine a relationship between the uplink received signal strength value and a preset first threshold value.
  • the value of the uplink received signal strength in the uplink frequency band of the macro base station is in a low value range; when the small base station 30 covers the range
  • the uplink received signal strength value in the uplink baseband bandwidth range of the macro base station is in a high value range.
  • the level of the uplink received signal strength is also related to the distance between the user equipment and the small base station 30. The closer the user equipment is to the small base station 30, the higher the uplink received signal strength value, and vice versa, the lower the received signal strength value.
  • the first threshold is preset in the small base station 30, and is an uplink received signal strength threshold for the communication service between the user equipment and the macro base station in the coverage of the small base station 30.
  • each of the user equipments increases the uplink received signal strength of the macro base station, and the engineer can determine the first threshold value during the performance optimization process.
  • the first threshold is set to the uplink received signal strength when the five user equipments communicate with the macro base station, and is not specifically limited herein.
  • the switching unit 33 is configured to: if the determining unit 32 determines that the uplink received signal strength value is less than the first threshold, the small base station 30 is held or switched to a sleep state, where the sleep state is The small base station 30 communicates a state in which the service is turned off. When the uplink received signal strength value is less than the preset first threshold, it is indicated that no user equipment communicates with the macro base station in the coverage of the small base station 30, or a very small number of user equipments communicate with the macro base station. Within the macro base station load, the small base station 30 should be in a sleep state in order to avoid unnecessary waste of power.
  • the switching unit 33 is further configured to: if the determining unit 32 determines that the uplink received signal strength value is equal to the first threshold, the small base station 30 is maintained in a current state.
  • the switching unit 33 is further configured to: if the determining unit 32 determines that the uplink received signal strength value is greater than the first threshold, the small base station 30 is maintained or switched to an active state, where the working state is A state in which the small base station 30 communication service is turned on.
  • the user equipment and the macro base station When the uplink received signal strength value is greater than the preset first threshold, the user equipment and the macro base station perform communication services in the coverage of the small base station 30. In order to share the load of the macro base station, the small base station 30 should be in a working state. . Therefore, if the current state of the small base station 30 is the active state, the current state is maintained; if the current state of the small base station 30 is the sleep state, it is switched to the active state.
  • An embodiment of the present invention provides a small base station, including: a detecting unit, configured to detect, according to a preset first time period, an uplink received signal strength in an uplink frequency point bandwidth range of the macro base station, to obtain the The uplink received signal strength value of the macro base station.
  • the determining unit is configured to determine a relationship between the uplink received signal strength value and a preset first threshold value.
  • a switching unit configured to: if the determining unit determines that the uplink received signal strength value is less than the first threshold, maintaining or switching the small base station to a sleep state, where the sleep state is the small base station communication The status of the service shutdown.
  • the switching unit is further configured to: if the determining unit determines that the uplink received signal strength value is equal to the first threshold, maintaining the small base station in a current state.
  • the switching unit is further configured to: if the determining unit determines that the uplink received signal strength value is greater than the first threshold, maintaining or switching the small base station to an active state, where the working state is The state in which the small base station communication service is turned on.
  • the small base station can obtain data transmission between the small base station and the user equipment according to the uplink received signal strength value, so that it can determine whether the small base station needs to load the load for the macro base station, thereby avoiding the small base station being in the non- The waste of electricity caused by work under the necessary working conditions, while extending the working life of the small base station.
  • the fourth embodiment of the present invention provides a small base station 40.
  • the coverage area of the small base station 40 is in the coverage area of the macro base station.
  • the method includes: a detecting unit 41, a determining unit 42, and a switching unit 43. .
  • the determining unit 42 is further configured to: before the small base station 40 is held or switched, Determining whether the small base station 40 performs data transmission with the user equipment.
  • the small base station 40 has communication services with the user equipment, the small base station 40 and the user equipment have signaling or user plane data transmission. Based on this, the small base station 40 can judge whether there is a user equipment under the small base station 40 that needs to communicate.
  • the switching unit 43 is further configured to: if the determining unit 42 determines that the small base station 40 has no data transmission with the user equipment, keep the small base station 40 or switch to the sleep state.
  • the small base station 40 determines that the small base station 40 has no data transmission with the user equipment, it indicates that no user equipment needs to perform communication service under the small base station 40, and the small base station 40 maintains or switches to the sleep state.
  • the detecting unit 41 is configured to detect, according to a preset first time period, an uplink received signal strength in an uplink frequency point bandwidth of the macro base station, to obtain an uplink received signal strength value of the macro base station.
  • the working frequency range of the small base station 40 and the macro base station may be the same or different, and is not specifically limited herein.
  • the small base station 40 adjusts the frequency range of the detection by the small base station 40 to be the same as the operating frequency range of the macro base station.
  • the influencing factors of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station include the number of users in the uplink baseband bandwidth range of the macro base station, the user service type, and the wireless environment.
  • the uplink received signal strength detection indicator is specifically a Received Total Wide Band Power (RTWP); in a global mobile communication system (global system for mobile communications, In GSM), Code Division Multiple Access (CDMA), and Long Term Evolution (LTE), the uplink received signal strength detection indicator is specifically Received Signal Strength Indication (RSI).
  • the first time period is preset in the small base station 40, such as 1 hour, 30 minutes, etc., and may be determined according to the speed of the sleep response of the small base station 40 and avoiding frequent sleep and wakeup, etc., where the present invention is The embodiment is not specifically limited.
  • the determining unit 42 is configured to determine a relationship between the uplink received signal strength value and a preset first threshold value.
  • the value of the uplink received signal strength in the uplink baseband bandwidth range of the macro base station is in a low value range; when the small base station 40 covers the range
  • the uplink received signal strength value in the uplink baseband bandwidth range of the macro base station is in a high value range.
  • the level of the uplink received signal strength value is also related to the distance between the user equipment and the small base station 40. The closer the user equipment is to the small base station 40, the higher the uplink received signal strength value, and vice versa, the lower the received signal strength value.
  • the first threshold value is preset in the small base station 40, and is an uplink received signal strength threshold value for the communication service between the user equipment and the macro base station in the coverage of the small base station 40.
  • an uplink received signal strength threshold value for the communication service between the user equipment and the macro base station in the coverage of the small base station 40.
  • each of the user equipments increases the uplink received signal strength of the macro base station, and the engineer can determine the first threshold value during the performance optimization process.
  • the first threshold is set to the uplink received signal strength when the five user equipments communicate with the macro base station, and is not specifically limited herein.
  • the switching unit 43 is configured to: if the determining unit 42 determines that the uplink received signal strength value is less than the first threshold, the small base station 40 is maintained or switched to a sleep state, where the sleep state is The small base station 40 communicates a state in which the service is turned off. When the uplink received signal strength value is less than the preset first threshold, it is indicated that no user equipment communicates with the macro base station in the coverage of the small base station 40, or a very small number of user equipments communicate with the macro base station. Within the macro base station load, the small base station 40 should be in a sleep state in order to avoid unnecessary power waste.
  • the current state of the small base station 40 is the sleep state, the current state is maintained; if the current state of the small base station 40 is the active state, the state is switched to the sleep state.
  • the switching unit 43 is further configured to: if the determining unit 42 determines that the uplink received signal strength value is equal to the first threshold, the small base station 40 is maintained in a current state.
  • the switching unit 43 is further configured to: if the determining unit 42 determines that the uplink received signal strength value is greater than the first threshold, the small base station 40 is maintained or switched to an active state, where the working state is A state in which the small base station 40 communication service is turned on.
  • the user equipment and the macro base station When the uplink received signal strength value is greater than the preset first threshold, the user equipment and the macro base station perform communication services in the coverage of the small base station 40. In order to share the load of the macro base station, the small base station 40 should be in a working state. . Therefore, if the current state of the small base station 40 is the active state, the current state is maintained; if the current state of the small base station 40 is the sleep state, the mode is switched to the active state.
  • the small base station 40 determines whether the small base station 40 performs data transmission with the user equipment, and is not limited to determining the uplink received signal strength value at the small base station 40. Before the relationship with the first threshold is performed, the foregoing two determining processes may be simultaneous or indiscriminate, but as long as the small base station 40 has no data transmission with the user equipment, the small base station 40 is configured according to the The current working state of the small base station 40 is maintained or switched to the sleep state.
  • the method further includes: a counting unit 44.
  • the counting unit 44 is configured to record, when the uplink received signal strength value is less than or greater than the first threshold, the number of times that the uplink received signal strength value is less than and greater than the first threshold.
  • the counting unit 44 is further configured to return the number of records to zero if the number of times is greater than a preset number of times.
  • the switching unit 43 is further configured to: if the number of times of recording by the counting unit 44 is zero, the small base station performs a corresponding state switching.
  • An embodiment of the present invention provides a small base station, including: a detecting unit, a determining unit, and a switching unit.
  • the detecting unit is configured to detect, according to a preset first time period, an uplink received signal strength in an uplink frequency point bandwidth of the macro base station, to obtain an uplink received signal strength value of the macro base station.
  • the determining unit is configured to determine a relationship between the uplink received signal strength value and a preset first threshold value.
  • the switching unit is configured to: if the determining unit determines that the uplink received signal strength value is smaller than the first threshold, the small base station is maintained or switched to a sleep state, where the sleep state is the small The state in which the base station communication service is turned off.
  • the switching unit is further configured to: if the determining unit determines that the uplink received signal strength value is equal to the first threshold, maintaining the small base station in a current state.
  • the switching unit is further configured to: if the determining unit determines that the uplink received signal strength value is greater than the first threshold, maintaining or switching the small base station to an active state, where the working state is The state in which the small base station communication service is turned on.
  • the small base station can obtain data transmission between the small base station and the user equipment according to the uplink received signal strength value, so that it can determine whether the small base station needs to load the load for the macro base station, thereby avoiding the small base station in The waste of electricity caused by work in non-essential working conditions, while extending the working life of small base stations.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

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Abstract

本发明实施例公开了一种小基站状态切换的方法及小基站，能够避免小基站在非必要工作状态下工作造成电能浪费，同时延长小基站的工作寿命。小基站每经过预设的第一时间周期，对宏基站上行频点带宽范围内的上行接收信号强度进行检测，获得宏基站的上行接收信号强度值；小基站判断上行接收信号强度值与预设的第一门限值大小关系；若小基站确定上行接收信号强度值小于第一门限值，则小基站保持或者切换到休眠状态；若小基站确定上行接收信号强度值等于第一门限值，则小基站保持当前状态；若小基站确定上行接收信号强度值大于第一门限值，则小基站保持或者切换到工作状态。本发明适用于通信技术领域。

Description

一种小基站状态切换的方法及小基站 技术领域 本发明涉及通信技术领域， 尤其涉及一种小基站状态切换的方法及 小基站。
背景技术
随着网络通信业务量的激增， 传统模式的宏基站网络越来越难以满 足人们对网络通信多元化的需求。 而在家庭、 办公室等室内部署小基站 可以对宏基站的网络服务进行很好的补充。 小基站是一种发射功率、 月良 务范围以及体积等都比宏基站小的基站。 当宏基站网络覆盖下负载过多 用户设备时， 安装在宏基站网络服务范围内的小基站可以对宏基站进行 负载分流。
然而当小基站的服务小区内无用户设备或者宏基站能够负载与现有 用户设备的通信业务时， 小基站仍在工作状态， 就会造成不必要的电能浪 费， 缩短了小基站的使用寿命。
发明内容
本发明实施例提供了一种小基站状态切换的方法及小基站， 该方法 包括：
第一方面， 提供了一种小基站状态切换的方法， 所述小基站的覆盖 区域在宏基站的覆盖区域内， 该方法包括：
所述小基站每经过预设的第一时间周期， 对所述宏基站上行频点带 宽范围内的上行接收信号强度进行检测， 获得所述宏基站的上行接收信 号强度值；
所述小基站判断所述上行接收信号强度值与预设的第一门限值大小 关系；
若所述小基站确定所述上行接收信号强度值小于所述第一门限值， 则所述小基站保持或者切换到休眠状态， 所述休眠状态为所述小基站通 信服务关闭的状态；
若所述小基站确定所述上行接收信号强度值等于所述第一门限值， 则所述小基站保持当前状态； 若所述小基站确定所述上行接收信号强度值大于所述第一门限值， 则所述小基站保持或者切换到工作状态， 所述工作状态为所述小基站通 信服务开启的状态。 在第一种可能的实现方式中， 根据第一方面， 若所述小基站确定所 述上行接收信号强度值小于所述第一门限值， 则所述小基站保持或者切 换到休眠状态， 具体包括：
若所述小基站确定所述上行接收信号强度值小于所述第一门限值， 所述小基站判断所述小基站是否处于工作状态； 若所述小基站处于工作状态， 所述小基站切换为休眠状态； 若所述小基站处于休眠状态， 所述小基站保持休眠状态。
在第二种可能的实现方式中， 结合第一方面或第一种可能的实现方 式， 若所述小基站确定所述上行接收信号强度值大于所述第一门限值， 则所述小基站保持或者切换到工作状态， 具体包括： 若所述小基站确定所述上行接收信号强度值大于所述第一门限值， 所述小基站判断所述小基站是否处于休眠状态；
若所述小基站处于休眠状态， 所述小基站切换为工作状态； 若所述小基站处于工作状态， 所述小基站保持工作状态。
在第三种可能的实现方式中， 结合第一方面或第一种可能的实现方 式或第二种可能的实现方式， 所述小基站保持或者切换状态之前， 该方 法还包括：
所述小基站判断所述小基站是否与所述用户设备进行数据传输； 若所述小基站确定所述小基站与所述用户设备无数据传输， 所述小 基站保持或者切换到所述休眠状态。 在第四种可能的实现方式中， 结合第一方面或第一种可能的实现方 式至第三种可能的实现方式， 所述上行接收信号强度值为宽带接收总功 率 RTWP的值或接收信号强度指示 RSSI的值。 在第五种可能的实现方式中， 结合第一方面或第一种可能的实现方 式至第四种可能的实现方式， 若所述上行接收信号强度值小于或大于所 述第一门限值， 该方法还包括：
所述小基站分别记录所述上行接收信号强度值小于和大于所述第一 门限值的次数；
若所述次数大于预设的次数， 记录的次数归零， 所述小基站进行相 应的状态切换。
第二方面， 本发明实施例提供了一种小基站， 所述小基站的覆盖区 域在宏基站的覆盖区域内， 包括： 检测单元和判断单元、 切换单元； 所述检测单元， 用于每经过预设的第一时间周期， 对所述宏基站上 行频点带宽范围内的上行接收信号强度进行检测， 获得所述宏基站的上 行接收信号强度值； 所述判断单元， 用于判断所述上行接收信号强度值与预设的第一门 限值大小关系； 所述切换单元， 用于若所述判断单元确定所述上行接收信号强度值 小于所述第一门限值， 则将所述小基站保持或者切换到休眠状态， 所述 休眠状态为所述小基站通信服务关闭的状态； 所述切换单元， 还用于若所述判断单元确定所述上行接收信号强度 值等于所述第一门限值， 则将所述小基站保持当前状态； 所述切换单元， 还用于若所述判断单元确定所述上行接收信号强度 值大于所述第一门限值， 则将所述小基站保持或者切换到工作状态， 所 述工作状态为所述小基站通信服务开启的状态。
在第一种可能的实现方式中， 结合第二方面， 所述切换单元， 用于 若所述判断单元确定所述上行接收信号强度值小于所述第一门限值， 则 将所述小基站保持或者切换到休眠状态， 具体包括：
若所述判断单元确定所述上行接收信号强度值小于所述第一门限 值， 判断所述小基站是否处于工作状态；
若所述小基站处于工作状态， 将所述小基站切换为休眠状态； 若所述小基站处于休眠状态， 将所述小基站保持休眠状态。 在第二种可能的实现方式中， 结合第二方面或第一种可能的实现方 式， 所述切换单元， 用于若所述判断单元确定所述上行接收信号强度值 大于所述第一门限值， 则将所述小基站保持或者切换到工作状态， 具体 包括： 若所述判断单元确定所述上行接收信号强度值大于所述第一门限 值， 判断所述小基站是否处于休眠状态；
若所述小基站处于休眠状态， 将所述小基站切换为工作状态； 若所述小基站处于工作状态， 将所述小基站保持工作状态。
在第三种可能的实现方式中， 结合第二方面或第一种可能的实现方 式或第二种可能的实现方式， 所述判断单元， 还用于将所述小基站保持 或者切换状态之前， 判断所述小基站是否与所述用户设备进行数据传输； 所述切换单元， 还用于若所述判断单元确定所述小基站与所述用户 设备无数据传输， 将所述小基站保持或者切换到所述休眠状态。 在第四种可能的实现方式中， 结合第二方面或第一种可能的实现方 式或第二种可能的实现方式或第三种可能的实现方式， 所述上行接收信 号强度值为宽带接收总功率 RTWP的值或接收信号强度指示 RSSI的值。
在第五种可能的实现方式中， 结合第二方面或第一种可能的实现方 式或第二种可能的实现方式或第三种可能的实现方式或第四种可能的实 现方式， 所述小基站还包括： 计数单元； 所述计数单元， 用于若所述上行接收信号强度值小于或大于所述第 一门限值， 分别记录所述上行接收信号强度值小于和大于所述第一门限 值的次数；
所述计数单元， 还用于若所述次数大于预设的次数， 记录的次数归 令；
所述切换单元， 还用于若所述计数单元的记录的次数归零， 所述小 基站进行相应的状态切换。 本发明实施例提供了一种基站状态切换的方法及小基站， 所述小基 站每经过预设的第一时间周期， 对所述宏基站上行频点带宽范围内的上 行接收信号强度进行检测， 获得所述宏基站的上行接收信号强度值； 所 述小基站判断所述上行接收信号强度值与预设的第一门限值大小关系； 若所述小基站确定所述上行接收信号强度值小于所述第一门限值， 则所 述小基站保持或者切换到休眠状态， 所述休眠状态为所述小基站通信服 务关闭的状态； 若所述小基站确定所述上行接收信号强度值等于所述第 一门限值， 则所述小基站保持当前状态； 若所述小基站确定所述上行接 收信号强度值大于所述第一门限值， 则所述小基站保持或者切换到工作 状态， 所述工作状态为所述小基站通信服务开启的状态。 由于所述小基 站可以根据所述上行接收信号强度值， 获得小基站覆盖范围内是否与用 户设备进行数据传输， 从而可以确定小基站是否需要为宏基站分流负载， 进而也避免了小基站在非必要工作状态下工作造成的电能浪费， 同时延 长小基站的工作寿命。
附图说明
对实施例描述中所需要使用的附图作简单地介绍， 显而易见地， 下面描 述中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。 图 1为本发明实施例中提供的一种小基站状态切换的方法示意图； 图 2 为本发明实施例中提供的另一种小基站状态切换的方法示意 图；
图 3为本发明实施例中提供的一种小基站的结构示意图；
图 4为本发明实施例中提供的又一种小基站的结构示意图。
具体实施方式 在现有移动通信网络的网络部署过程中， 移动通信网络主要利用宏 基站提供基础覆盖， 同时利用小型化基站来改善网络覆盖深度、 增加网 络容量、 提升用户感知。 当宏基站负载过多用户设备时， 安装在宏基站 网络服务范围内的小基站可以对宏基站进行负载分流。 所述小基站可以 是 Micro (微基站）、 Pico (微微基站）、 家用型基站 （Home NodeB/ Home eNodeB , HNB/ HeNB ) 等。 实施例一 本发明实施例提供了一种小基站状态切换的方法， 所述小基站的覆 盖区域在宏基站的覆盖区域内， 如图 1所示， 该方法包括：
101、 所述小基站每经过预设的第一时间周期， 对所述宏基站上行频 点带宽范围内的上行接收信号强度进行检测， 获得所述宏基站的上行接 收信号强度值。 其中， 小基站与宏基站工作频点范围可能相同， 也可能不相同， 在 此不做具体限定。 当小基站与宏基站工作频点范围不相同时， 小基站调 节其检测的频点范围与宏基站的工作频点范围相同。 宏基站上行频点带宽范围内的上行接收信号强度的影响因素包括宏 基站上行频点带宽范围的用户数、 用户业务类型及无线环境等。 在通用 移动通信系统 ( Universal Mobile Telecommunications System, UMTS )中 , 所述上行接收信号强度检测指标具体为宽带接收总功率（ Received Total Wideband Power, RTWP )；在全球移动通信系统（ global system for mobile communications , GSM ) 、 码分多址 ( Code Division Multiple Access , CDMA ) 、 长期演进（ Long Term Evolution, LTE ) 中， 所述上行接收信 号强度检测指标具体为接收信号强度 ( Received Signal Strength Indication, RSSI ) 。
所述第一时间周期是在小基站中预设的， 如 1小时、 30分钟等， 具 体可以根据所述小基站休眠响应的速度和避免频繁休眠与唤醒等情况确 定， 在此本发明实施例不做具体的限定。
102、所述小基站判断所述上行接收信号强度值与预设的第一门限值 大小关系。 当小基站覆盖范围内没有用户设备或者只有极少数用户设备与宏基 站进行通信业务时， 宏基站上行频点带宽范围内的上行接收信号强度的 值处于低值范围； 当小基站覆盖范围内有用户设备与宏基站进行通信业 务时， 宏基站上行频点带宽范围内的上行接收信号强度值处于高值范围。 上行接收信号强度值的高低也与用户设备与小基站的距离有关。 用户设 备距离小基站越近， 上行接收信号强度值越高， 反之， 上行接收信号强 度值越低。
所述第一门限值预设在小基站中， 是小基站覆盖范围内有用户设备 与宏基站进行通信业务的上行接收信号强度临界值。 在小基站的覆盖区 域下有用户设备与宏网络进行通信时， 每个所述用户设备都会使宏基站 的上行接收信号强度增强， 工程人员可以在性能的优化过程中确定第一 门限值， 例如， 第一门限值设置为 5 个用户设备与宏基站进行通信时的 上行接收信号强度， 在此不作具体限定。
103、若所述小基站确定所述上行接收信号强度值小于所述第一门限 值， 则所述小基站保持或者切换到休眠状态， 所述休眠状态为所述小基 站通信服务关闭的状态。 当所述上行接收信号强度值小于预设的第一门限值时， 说明小基站 覆盖范围内没有用户设备与宏基站进行通信业务， 或者有极少数的用户 设备与宏基站进行通信业务且在宏基站负载量内， 为了避免不必要的电 能浪费， 小基站应处于休眠状态。
因此， 若小基站当前状态为休眠状态， 则保持当前状态； 若小基站 当前状态为工作状态， 则切换到休眠状态。
104、若所述小基站确定所述上行接收信号强度值等于所述第一门限 值， 则所述小基站保持当前状态。
105、若所述小基站确定所述上行接收信号强度值大于所述第一门限 值， 则所述小基站保持或者切换到工作状态， 所述工作状态为所述小基 站通信服务开启的状态。
当所述上行接收信号强度值大于预设的第一门限值时， 说明小基站 覆盖范围内有用户设备与宏基站进行通信业务， 为了分担宏基站的负载， 小基站应处于工作状态。
因此， 若小基站当前状态为工作状态， 则保持当前状态； 若小基站 当前状态为休眠状态， 则切换到工作状态。 本发明实施例提供了一种小基站状态切换的方法， 所述小基站每经 过预设的第一时间周期， 对所述宏基站上行频点带宽范围内的上行接收 信号强度进行检测， 获得所述宏基站的上行接收信号强度值。 所述小基 站判断所述上行接收信号强度值与预设的第一门限值大小关系。 若所述 小基站确定所述上行接收信号强度值小于所述第一门限值， 则所述小基 站保持或者切换到休眠状态， 所述休眠状态为所述小基站通信服务关闭 的状态。 若所述小基站确定所述上行接收信号强度值等于所述第一门限 值， 则所述小基站保持当前状态。 若所述小基站确定所述上行接收信号 强度值大于所述第一门限值， 则所述小基站保持或者切换到工作状态， 所述工作状态为所述小基站通信服务开启的状态。 由于所述小基站可以 根据所述上行接收信号强度值， 获得小基站覆盖范围内是否与用户设备 进行数据传输， 从而可以确定小基站是否需要为宏基站分流负载， 进而 也避免了小基站在非必要工作状态下工作造成的电能浪费， 同时延长小 基站的工作寿命。
实施例二 本发明实施例提供了一种小基站状态切换的方法， 所述小基站的覆 盖区域在宏基站的覆盖区域内， 如图 2所示， 该方法包括：
201、 所述小基站判断其是否与所述用户设备进行数据传输。 当小基站与用户设备有通信业务时， 小基站与用户设备有信令或用 户面数据传输。 小基站可以根据这点来判断小基站下是否有需要通信的 用户设备。
202、 若所述小基站确定所述小基站与所述用户设备无数据传输， 所 述小基站保持或者切换到所述休眠状态。 若所述小基站确定所述小基站与所述用户设备无数据传输， 则说明 小基站下无用户设备需要进行通信业务， 则小基站保持或者切换到所述 休眠状态。
203、 若所述小基站确定所述小基站与所述用户设备有数据传输， 则 所述小基站每经过预设的第一时间周期， 对所述宏基站上行频点带宽范 围内的上行接收信号强度进行检测， 获得所述宏基站的上行接收信号强 度值。
其中， 小基站与宏基站工作频点范围可能相同， 也可能不相同， 在 此不做具体限定。 当小基站与宏基站工作频点范围不相同时， 小基站调 节其检测的频点范围与宏基站的工作频点范围相同。 宏基站上行频点带宽范围内的上行接收信号强度的影响因素包括宏 基站上行频点带宽范围的用户数、 用户业务类型及无线环境等。 在通用 移动通信系统 ( Universal Mobile Telecommunications System, UMTS )中 , 所述上行接收信号强度检测指标具体为宽带接收总功率（ Received Total Wideband Power, RTWP )；在全球移动通信系统（ global system for mobile communications , GSM ) 、 码分多址 ( Code Division Multiple Access , CDMA ) 、 长期演进（ Long Term Evolution, LTE ) 中， 所述上行接收信 号强度检测指标具体为接收信号强度 ( Received Signal Strength Indication, RSSI ) 。
所述第一时间周期是在小基站中预设的， 如 1小时、 30分钟等， 具 体可以根据所述小基站休眠响应的速度和避免频繁休眠与唤醒等情况确 定， 在此本发明实施例不做具体的限定。
204、所述小基站判断所述上行接收信号强度值与预设的第一门限值 大小关系。
当小基站覆盖范围内没有用户设备或者只有极少数用户设备与宏基 站进行通信业务时， 宏基站上行频点带宽范围内的上行接收信号强度的 值处于低值范围； 当小基站覆盖范围内有用户设备与宏基站进行通信业 务时， 宏基站上行频点带宽范围内的上行接收信号强度值处于高值范围。 上行接收信号强度值的高低也与用户设备与小基站的距离有关。 用户设 备距离小基站越近， 上行接收信号强度值越高， 反之， 上行接收信号强 度值越低。
所述第一门限值预设在小基站中， 是小基站覆盖范围内有用户设备 与宏基站进行通信业务的上行接收信号强度临界值。 在小基站的覆盖区 域下有用户设备与宏网络进行通信时， 每个所述用户设备都会使宏基站 的上行接收信号强度增强， 工程人员可以在性能的优化过程中确定第一 门限值， 例如， 第一门限值设置为 5 个用户设备与宏基站进行通信时的 上行接收信号强度， 在此不作具体限定。
205、 若所述小基站确定所述上行接收信号强度值小于所述第一门 限值， 则所述小基站保持或者切换到休眠状态， 所述休眠状态为所述小 基站通信服务关闭的状态。 当所述上行接收信号强度值小于预设的第一门限值时， 说明小基站 覆盖范围内没有用户设备与宏基站进行通信业务， 或者有极少数的用户 设备与宏基站进行通信业务且在宏基站负载量内， 为了避免不必要的电 能浪费， 小基站应处于休眠状态。
因此， 若小基站当前状态为休眠状态， 则保持当前状态； 若小基站 当前状态为工作状态， 则切换到休眠状态。
206、若所述小基站确定所述上行接收信号强度值等于所述第一门限 值， 则所述小基站保持当前状态。
207、若所述小基站确定所述上行接收信号强度值大于所述第一门限 值， 则所述小基站保持或者切换到工作状态， 所述工作状态为所述小基 站通信服务开启的状态。
当所述上行接收信号强度值大于预设的第一门限值时， 说明小基站 覆盖范围内有用户设备与宏基站进行通信业务， 为了分担宏基站的负载， 小基站应处于工作状态。 因此， 若小基站当前状态为工作状态， 则保持当前状态； 若小基站 当前状态为休眠状态， 则切换到工作状态。
需要说明的是， 基于本发明对小基站进行状态切换的过程， 小基站 确定所述小基站是否与用户设备进行数据传输不限于在所述小基站确定 所述上行接收信号强度值与第一门限值的关系之前进行， 以上两个确定 过程可以是同时也可以不分先后， 但是只要所述小基站与所述用户设备 无数据传输， 则所述小基站则根据所述小基站当前的工作状态保持或切 换到睡眠状态。 可选的， 若所述上行接收信号强度值小于或大于所述第一门限值， 该方法还包括：
所述小基站分别记录所述上行接收信号强度值小于和大于所述第一 门限值的次数。 若所述次数大于预设的次数， 记录的次数归零， 所述小基站进行相 应的状态切换。 本发明实施例提供了一种小基站状态切换的方法， 所述小基站判断 所述小基站是否与所述用户设备进行数据传输。 若所述小基站确定所述 小基站与所述用户设备无数据传输， 所述小基站保持或者切换到所述休 眠状态。 若所述小基站确定所述小基站与所述用户设备有数据传输， 则 所述小基站每经过预设的第一时间周期， 对所述宏基站上行频点带宽范 围内的上行接收信号强度进行检测， 获得所述宏基站的上行接收信号强 度值。 所述小基站判断所述上行接收信号强度值与预设的第一门限值大 小关系。 若所述小基站确定所述上行接收信号强度值小于预设的第一门 限值， 则所述小基站保持或者切换到休眠状态， 所述休眠状态为所述小 基站通信服务关闭的状态。 若所述小基站确定所述上行接收信号强度值 等于预设的第一门限值， 则所述小基站保持当前状态。 若所述小基站确 定所述上行接收信号强度值大于所述第一门限值， 则所述小基站保持或 者切换到工作状态， 所述工作状态为所述小基站通信服务开启的状态。 由于所述小基站可以根据所述上行接收信号强度值， 获得小基站覆盖范 围内是否需要与用户设备进行数据传输， 从而可以确定小基站是否需要 为宏基站分流负载， 进而也避免了小基站在非必要工作状态下工作造成 的电能浪费， 同时延长小基站的工作寿命。
实施例三 本发明实施例提供了一种小基站 30 , 所述小基站 30 的覆盖区域在 宏基站的覆盖区域内， 如图 3所示， 包括： 检测单元 31和判断单元 32、 切换单元 33。
所述检测单元 31 , 用于每经过预设的第一时间周期， 对所述宏基站 上行频点带宽范围内的上行接收信号强度进行检测， 获得所述宏基站的 上行接收信号强度值。
其中， 小基站 30与宏基站工作频点范围可能相同， 也可能不相同， 在此不做具体限定。 当小基站 30与宏基站工作频点范围不相同时， 小基 站 30调节其检测的频点范围与宏基站的工作频点范围相同。
宏基站上行频点带宽范围内的上行接收信号强度的影响因素包括宏 基站上行频点带宽范围的用户数、 用户业务类型及无线环境等。 在通用 移动通信系统 ( Universal Mobile Telecommunications System, UMTS )中 , 所述上行接收信号强度检测指标具体为宽带接收总功率（ Received Total Wideband Power, RTWP )；在全球移动通信系统（ global system for mobile communications , GSM ) 、 码分多址 ( Code Division Multiple Access , CDMA ) 、 长期演进（ Long Term Evolution, LTE ) 中， 所述上行接收信 号强度检测指标具体为接收信号强度 ( Received Signal Strength Indication, RSSI ) 。
所述第一时间周期是在小基站 30中预设的， 如 1小时、 30分钟等， 具体可以根据所述小基站 30休眠响应的速度和避免频繁休眠与唤醒等情 况确定， 在此本发明实施例不做具体的限定。 所述判断单元 32 , 用于判断所述上行接收信号强度值与预设的第一 门限值大小关系。 当小基站 30 覆盖范围内没有用户设备或者只有极少数用户设备与 宏基站进行通信业务时， 宏基站上行频点带宽范围内的上行接收信号强 度的值处于低值范围； 当小基站 30覆盖范围内有用户设备与宏基站进行 通信业务时， 宏基站上行频点带宽范围内的上行接收信号强度值处于高 值范围。 上行接收信号强度值的高低也与用户设备与小基站 30的距离有 关。 用户设备距离小基站 30越近， 上行接收信号强度值越高， 反之， 上 行接收信号强度值越低。 所述第一门限值预设在小基站 30中， 是小基站 30覆盖范围内有用 户设备与宏基站进行通信业务的上行接收信号强度临界值。 在小基站 30 的覆盖区域下有用户设备与宏网络进行通信时， 每个所述用户设备都会 使宏基站的上行接收信号强度增强， 工程人员可以在性能的优化过程中 确定第一门限值， 例如， 第一门限值设置为 5 个用户设备与宏基站进行 通信时的上行接收信号强度， 在此不作具体限定。 所述切换单元 33 , 用于若所述判断单元 32确定所述上行接收信号 强度值小于所述第一门限值， 则将所述小基站 30保持或者切换到休眠状 态， 所述休眠状态为所述小基站 30通信服务关闭的状态。 当所述上行接收信号强度值小于预设的第一门限值时， 说明小基站 30覆盖范围内没有用户设备与宏基站进行通信业务， 或者有极少数的用 户设备与宏基站进行通信业务且在宏基站负载量内， 为了避免不必要的 电能浪费， 小基站 30应处于休眠状态。
因此， 若小基站 30当前状态为休眠状态， 则保持当前状态； 若小基 站 30当前状态为工作状态， 则切换到休眠状态。 所述切换单元 33 , 还用于若所述判断单元 32确定所述上行接收信 号强度值等于所述第一门限值， 则将所述小基站 30保持当前状态。
所述切换单元 33 , 还用于若所述判断单元 32确定所述上行接收信 号强度值大于所述第一门限值， 则将所述小基站 30保持或者切换到工作 状态， 所述工作状态为所述小基站 30通信服务开启的状态。
当所述上行接收信号强度值大于预设的第一门限值时， 说明小基站 30覆盖范围内有用户设备与宏基站进行通信业务， 为了分担宏基站的负 载， 小基站 30应处于工作状态。 因此， 若小基站 30当前状态为工作状态， 则保持当前状态； 若小基 站 30当前状态为休眠状态， 则切换到工作状态。 本发明实施例提供了一种小基站， 包括： 检测单元， 用于每经过预 设的第一时间周期， 对所述宏基站上行频点带宽范围内的上行接收信号 强度进行检测， 获得所述宏基站的上行接收信号强度值。 判断单元， 用 于判断所述上行接收信号强度值与预设的第一门限值大小关系。 切换单 元， 用于若所述判断单元确定所述上行接收信号强度值小于所述第一门 限值， 则将所述小基站保持或者切换到休眠状态， 所述休眠状态为所述 小基站通信服务关闭的状态。 切换单元， 还用于若所述判断单元确定所 述上行接收信号强度值等于所述第一门限值， 则将所述小基站保持当前 状态。 所述切换单元， 还用于若所述判断单元确定所述上行接收信号强 度值大于所述第一门限值， 则将所述小基站保持或者切换到工作状态， 所述工作状态为所述小基站通信服务开启的状态。 由于所述小基站可以 根据所述上行接收信号强度值， 获得小基站覆盖范围内是否与用户设备 进行数据传输， 从而可以确定小基站是否需要为宏基站分流负载， 进而 也避免了小基站在非必要工作状态下工作造成的电能浪费， 同时延长小 基站的工作寿命。
实施例四 本发明实施例提供了一种小基站 40 , 所述小基站 40 的覆盖区域在 宏基站的覆盖区域内， 如图 4所示， 包括： 检测单元 41和判断单元 42、 切换单元 43。
所述判断单元 42 , 还用于将所述小基站 40保持或者切换状态之前， 判断所述小基站 40是否与所述用户设备进行数据传输。 当小基站 40与用户设备有通信业务时， 小基站 40与用户设备有信 令或用户面数据传输。 小基站 40可以根据这点来判断小基站 40下是否 有需要通信的用户设备。
所述切换单元 43 , 还用于若所述判断单元 42确定所述小基站 40与 所述用户设备无数据传输， 将所述小基站 40保持或者切换到所述休眠状 态。
若所述小基站 40确定所述小基站 40与所述用户设备无数据传输， 则说明小基站 40下无用户设备需要进行通信业务， 则小基站 40保持或 者切换到所述休眠状态。
所述检测单元 41 , 用于每经过预设的第一时间周期， 对所述宏基站 上行频点带宽范围内的上行接收信号强度进行检测， 获得所述宏基站的 上行接收信号强度值。
其中， 小基站 40与宏基站工作频点范围可能相同， 也可能不相同， 在此不做具体限定。 当小基站 40与宏基站工作频点范围不相同时， 小基 站 40调节其检测的频点范围与宏基站的工作频点范围相同。 宏基站上行频点带宽范围内的上行接收信号强度的影响因素包括宏 基站上行频点带宽范围的用户数、 用户业务类型及无线环境等。 在通用 移动通信系统 ( Universal Mobile Telecommunications System, UMTS )中 , 所述上行接收信号强度检测指标具体为宽带接收总功率（ Received Total Wideband Power, RTWP )；在全球移动通信系统（ global system for mobile communications , GSM ) 、 码分多址 ( Code Division Multiple Access , CDMA ) 、 长期演进（ Long Term Evolution, LTE ) 中， 所述上行接收信 号强度检测指标具体为接收信号强度 ( Received Signal Strength Indication, RSSI ) 。 所述第一时间周期是在小基站 40中预设的， 如 1小时、 30分钟等， 具体可以根据所述小基站 40休眠响应的速度和避免频繁休眠与唤醒等情 况确定， 在此本发明实施例不做具体的限定。 所述判断单元 42 , 用于判断所述上行接收信号强度值与预设的第一 门限值大小关系。 当小基站 40 覆盖范围内没有用户设备或者只有极少数用户设备与 宏基站进行通信业务时， 宏基站上行频点带宽范围内的上行接收信号强 度的值处于低值范围； 当小基站 40覆盖范围内有用户设备与宏基站进行 通信业务时， 宏基站上行频点带宽范围内的上行接收信号强度值处于高 值范围。 上行接收信号强度值的高低也与用户设备与小基站 40的距离有 关。 用户设备距离小基站 40越近， 上行接收信号强度值越高， 反之， 上 行接收信号强度值越低。 所述第一门限值预设在小基站 40中， 是小基站 40覆盖范围内有用 户设备与宏基站进行通信业务的上行接收信号强度临界值。 在小基站 40 的覆盖区域下有用户设备与宏网络进行通信时， 每个所述用户设备都会 使宏基站的上行接收信号强度增强， 工程人员可以在性能的优化过程中 确定第一门限值， 例如， 第一门限值设置为 5 个用户设备与宏基站进行 通信时的上行接收信号强度， 在此不作具体限定。 所述切换单元 43 , 用于若所述判断单元 42确定所述上行接收信号 强度值小于所述第一门限值， 则将所述小基站 40保持或者切换到休眠状 态， 所述休眠状态为所述小基站 40通信服务关闭的状态。 当所述上行接收信号强度值小于预设的第一门限值时， 说明小基站 40覆盖范围内没有用户设备与宏基站进行通信业务， 或者有极少数的用 户设备与宏基站进行通信业务且在宏基站负载量内， 为了避免不必要的 电能浪费， 小基站 40应处于休眠状态。
因此， 若小基站 40当前状态为休眠状态， 则保持当前状态； 若小基 站 40当前状态为工作状态， 则切换到休眠状态。
所述切换单元 43 , 还用于若所述判断单元 42确定所述上行接收信 号强度值等于所述第一门限值， 则将所述小基站 40保持当前状态。
所述切换单元 43 , 还用于若所述判断单元 42确定所述上行接收信 号强度值大于所述第一门限值， 则将所述小基站 40保持或者切换到工作 状态， 所述工作状态为所述小基站 40通信服务开启的状态。
当所述上行接收信号强度值大于预设的第一门限值时， 说明小基站 40覆盖范围内有用户设备与宏基站进行通信业务， 为了分担宏基站的负 载， 小基站 40应处于工作状态。 因此， 若小基站 40当前状态为工作状态， 则保持当前状态； 若小基 站 40当前状态为休眠状态， 则切换到工作状态。
需要说明的是， 基于本发明对小基站 40进行状态切换的过程， 小基 站 40确定所述小基站 40是否与用户设备进行数据传输不限于在所述小 基站 40确定所述上行接收信号强度值与第一门限值的关系之前进行， 以 上两个确定过程可以是同时也可以不分先后， 但是只要所述小基站 40与 所述用户设备无数据传输， 则所述小基站 40则根据所述小基站 40 当前 的工作状态保持或切换到睡眠状态。 可选的， 还包括： 计数单元 44。
所述计数单元 44 , 用于若所述上行接收信号强度值小于或大于所述 第一门限值， 分别记录所述上行接收信号强度值小于和大于所述第一门 限值的次数。 所述计数单元 44 , 还用于若所述次数大于预设的次数， 记录的次数 归零。
所述切换单元 43 , 还用于若所述计数单元 44 的记录的次数归零， 所述小基站进行相应的状态切换。 本发明实施例提供了一种小基站， 包括： 检测单元和判断单元、 切 换单元。 所述检测单元， 用于每经过预设的第一时间周期， 对所述宏基 站上行频点带宽范围内的上行接收信号强度进行检测， 获得所述宏基站 的上行接收信号强度值。 所述判断单元， 用于判断所述上行接收信号强 度值与预设的第一门限值大小关系。 所述切换单元， 用于若所述判断单 元确定所述上行接收信号强度值小于所述第一门限值， 则将所述小基站 保持或者切换到休眠状态， 所述休眠状态为所述小基站通信服务关闭的 状态。 所述切换单元， 还用于若所述判断单元确定所述上行接收信号强 度值等于所述第一门限值， 则将所述小基站保持当前状态。 所述切换单 元， 还用于若所述判断单元确定所述上行接收信号强度值大于所述第一 门限值， 则将所述小基站保持或者切换到工作状态， 所述工作状态为所 述小基站通信服务开启的状态。 由于所述小基站可以根据所述上行接收 信号强度值， 获得小基站覆盖范围内是否与用户设备进行数据传输， 从 而可以确定小基站是否需要为宏基站分流负载， 进而也避免了小基站在 非必要工作状态下工作造成的电能浪费， 同时延长小基站的工作寿命。 通过以上的实施方式的描述， 所属领域的技术人员可以清楚地了解 到本发明可借助软件加必需的通用硬件的方式来实现， 当然也可以通过 硬件， 但很多情况下前者是更佳的实施方式。 基于这样的理解， 本发明 的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的 形式体现出来， 该计算机软件产品存储在可读取的存储介质中， 如计算 机的软盘， 硬盘或光盘等， 包括若干指令用以使得一台计算机设备 （可 以是个人计算机， 服务器， 或者网络设备等） 执行本发明各个实施例所 述的方法。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不 局限于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本 发明的保护范围应以所述权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种小基站状态切换的方法， 其特征在于， 所述小基站的覆盖区 域在宏基站的覆盖区域内， 其特征在于， 该方法包括：
所述小基站每经过预设的第一时间周期， 对所述宏基站上行频点带 宽范围内的上行接收信号强度进行检测， 获得所述宏基站的上行接收信 号强度值；
所述小基站判断所述上行接收信号强度值与预设的第一门限值大小 关系；
若所述小基站确定所述上行接收信号强度值小于所述第一门限值， 则所述小基站保持或者切换到休眠状态， 所述休眠状态为所述小基站通 信服务关闭的状态；
若所述小基站确定所述上行接收信号强度值等于所述第一门限值， 则所述小基站保持当前状态；
若所述小基站确定所述上行接收信号强度值大于所述第一门限值， 则所述小基站保持或者切换到工作状态， 所述工作状态为所述小基站通 信服务开启的状态。
2、 根据权利要求 1所述的方法， 其特征在于， 若所述小基站确定所述上行接收信号强度值小于所述第一门限值， 则所述小基站保持或者切换到休眠状态， 具体包括： 若所述小基站确定所述上行接收信号强度值小于所述第一门限值， 所述小基站判断所述小基站是否处于工作状态； 若所述小基站处于工作状态， 所述小基站切换为休眠状态； 若所述小基站处于休眠状态， 所述小基站保持休眠状态。
3、 根据权利要求 2所述的方法， 其特征在于， 若所述小基站确定所述上行接收信号强度值大于所述第一门限值， 则所述小基站保持或者切换到工作状态， 具体包括： 若所述小基站确定所述上行接收信号强度值大于所述第一门限值， 所述小基站判断所述小基站是否处于休眠状态； 若所述小基站处于休眠状态， 所述小基站切换为工作状态； 若所述小基站处于工作状态， 所述小基站保持工作状态。
4、 根据权利要求 1-3任一项所述的方法， 其特征在于， 所述小基站 保持或者切换状态之前， 该方法还包括：
所述小基站判断其是否与所述用户设备进行数据传输；
若所述小基站确定其与所述用户设备无数据传输， 所述小基站保持 或者切换到所述休眠状态。
5、 根据权利要求 1所述的方法， 其特征在于， 所述上行接收信号强 度值为宽带接收总功率 RTWP的值或接收信号强度指示 RSSI的值。
6、 根据权利要求 1所述的方法， 其特征在于， 若所述上行接收信号 强度值小于或大于所述第一门限值， 该方法还包括：
所述小基站分别记录所述上行接收信号强度值小于和大于所述第一 门限值的次数；
若所述次数大于预设的次数， 记录的次数归零， 所述小基站进行相 应的状态切换。
7、 一种小基站， 其特征在于， 所述小基站的覆盖区域在宏基站的覆 盖区域内， 包括： 检测单元和判断单元、 切换单元；
所述检测单元， 用于每经过预设的第一时间周期， 对所述宏基站上 行频点带宽范围内的上行接收信号强度进行检测， 获得所述宏基站的上 行接收信号强度值； 所述判断单元， 用于判断所述上行接收信号强度值与预设的第一门 限值大小关系； 所述切换单元， 用于若所述判断单元确定所述上行接收信号强度值 小于所述第一门限值， 则将所述小基站保持或者切换到休眠状态， 所述 休眠状态为所述小基站通信服务关闭的状态； 所述切换单元， 还用于若所述判断单元确定所述上行接收信号强度 值等于所述第一门限值， 则将所述小基站保持当前状态； 所述切换单元， 还用于若所述判断单元确定所述上行接收信号强度 值大于所述第一门限值， 则将所述小基站保持或者切换到工作状态， 所 述工作状态为所述小基站通信服务开启的状态。
8、 根据权利要求 7所述的小基站， 其特征在于， 所述切换单元， 用于若所述判断单元确定所述上行接收信号强度值 小于所述第一门限值， 则将所述小基站保持或者切换到休眠状态， 具体 包括：
若所述判断单元确定所述上行接收信号强度值小于所述第一门限 值， 判断所述小基站是否处于工作状态；
若所述小基站处于工作状态， 将所述小基站切换为休眠状态； 若所述小基站处于休眠状态， 将所述小基站保持休眠状态。
9、 根据权利要求 7所述的小基站， 其特征在于， 所述切换单元， 用于若所述判断单元确定所述上行接收信号强度值 大于所述第一门限值， 则将所述小基站保持或者切换到工作状态， 具体 包括： 若所述判断单元确定所述上行接收信号强度值大于所述第一门限 值， 判断所述小基站是否处于休眠状态；
若所述小基站处于休眠状态， 将所述小基站切换为工作状态； 若所述小基站处于工作状态， 将所述小基站保持工作状态。
10、 根据权利要求 7-9任一项所述的小基站， 其特征在于， 所述判断单元， 还用于将所述小基站保持或者切换状态之前， 判断 所述小基站是否与所述用户设备进行数据传输； 所述切换单元， 还用于若所述判断单元确定所述小基站与所述用户 设备无数据传输， 将所述小基站保持或者切换到所述休眠状态。
11、 根据权利要求 7所述的小基站， 其特征在于， 所述上行接收信 号强度值为宽带接收总功率 RTWP的值或接收信号强度指示 RSSI的值。
12、 根据权利要求 7所述的小基站， 其特征在于， 还包括： 计数单 元； 所述计数单元， 用于若所述上行接收信号强度值小于或大于所述第 一门限值， 分别记录所述上行接收信号强度值小于和大于所述第一门限 值的次数；
所述计数单元， 还用于若所述次数大于预设的次数， 记录的次数归 令；
所述切换单元， 还用于若所述计数单元的记录的次数归零， 所述小 基站进行相应的状态切换。
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CN114666877B (zh) * 2022-02-14 2024-04-16 南京邮电大学 基于业务类型的移动边缘计算辅助基站动态休眠节能方法

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