WO2014205851A1 - 接入控制方法及装置 - Google Patents

接入控制方法及装置 Download PDF

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Publication number
WO2014205851A1
WO2014205851A1 PCT/CN2013/078518 CN2013078518W WO2014205851A1 WO 2014205851 A1 WO2014205851 A1 WO 2014205851A1 CN 2013078518 W CN2013078518 W CN 2013078518W WO 2014205851 A1 WO2014205851 A1 WO 2014205851A1
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WO
WIPO (PCT)
Prior art keywords
base station
control
alarm message
access
congestion state
Prior art date
Application number
PCT/CN2013/078518
Other languages
English (en)
French (fr)
Inventor
帅扬来
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 CA2912103A priority Critical patent/CA2912103A1/en
Priority to CN201380002112.4A priority patent/CN103782614A/zh
Priority to PCT/CN2013/078518 priority patent/WO2014205851A1/zh
Priority to KR1020157034367A priority patent/KR101710973B1/ko
Priority to JP2015545638A priority patent/JP2016502825A/ja
Publication of WO2014205851A1 publication Critical patent/WO2014205851A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/02Access restriction performed under specific conditions
    • H04W48/06Access restriction performed under specific conditions based on traffic conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Definitions

  • the embodiments of the present invention relate to communication technologies, and in particular, to an access control method and apparatus. Background technique
  • the User Equipment When a disaster such as an earthquake, tsunami, or terrorist attack is sent, the User Equipment (UE) can access the disaster bulletin board through the network to obtain disaster information or escape information to avoid the harm caused by the disaster.
  • a large number of UEs will use Multi-Media Telephony- Vedio (MMTEL- Vedio) or Multi-Media Telephony-Voice (MMTEL-Voice), with relatives or friends.
  • MMTEL- Vedio Multi-Media Telephony- Vedio
  • MMTEL-Voice Multi-Media Telephony-Voice
  • the embodiment of the invention provides an access control method and device, which is used to solve the problem that the access control of the multimedia service lacks real-time in the prior art.
  • a first aspect of the embodiments of the present invention provides an access control method, including:
  • the base station determines whether to trigger the access category blocking control according to the preset condition, where the access category is blocked by the access control SSAC of the service or the access category blocking control of the circuit switched fallback CSFB; wherein the preset condition includes : the base station receives an alert message and/or the base station is in a congested state;
  • the base station broadcasts the control parameter of the access category blocking control And sending to the user equipment UE, so that the UE controls access to the base station according to the control parameter.
  • a second aspect of the embodiments of the present invention provides a base station, including:
  • a first judging module configured to determine, according to a preset condition, whether to trigger an access category blocking control, where the access category blocking control is an access control SSAC of a service designated or an access category blocking control of a circuit switched fallback CSFB;
  • the preset condition includes: receiving, by the base station, an alert message and/or the base station is in a congested state;
  • a sending module configured to: if the judgment result is yes, send the control parameter broadcast of the access category blocking control to the user equipment UE, so that the UE controls access to the base station according to the control parameter.
  • a third aspect of the embodiments of the present invention provides a base station, including:
  • a processor configured to determine, according to a preset condition, whether to trigger an access category blocking control, where the access category blocking control is an access control SSAC of a service designated or an access category blocking control of a circuit switched fallback CSFB;
  • the preset condition includes: the base station receiving the alarm message and/or the base station is in a congestion state;
  • a transmitter configured to: broadcast, by the base station, the control parameter of the access category blocking control to the user equipment UE, so that the UE controls the connection to the base station according to the control parameter.
  • the base station determines whether to trigger the AC Barring control according to a preset condition, where the AC Barring control is the AC Barring control of the service-specific access control SSAC and/or the circuit-switched fallback CSFB.
  • the preset condition includes: the base station receives the alarm message and/or the base station is in a congestion state; if the determination result is yes, the base station broadcasts the control parameter of the AC Barring control to the UE, to And causing the UE to control access to the base station according to the control parameter.
  • the base station can automatically trigger the AC Barring control of the SSAC and/or the CSFB according to the congestion status or the alarm message of the base station in real time, which overcomes the problem that the existing manual triggered AC Barring control has a poor real-time problem, and improves the base station triggering. Timeliness and flexibility of AC Barring controls.
  • FIG. 1 is a schematic diagram of an access control method according to an embodiment of the present invention
  • 2 is a schematic diagram of another access control method according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of another access control method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of another access control method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present invention. detailed description
  • the access control method provided in the following embodiments can be applied to Global System for Mobile Communication (GSM), Universal Mobile Telecommunications System (UMTS), and global microwave mutual ear.
  • GSM Global System for Mobile Communication
  • UMTS Universal Mobile Telecommunications System
  • a scenario of multiple RRU co-cells such as a Worldwide Interoperability for Microwave Access (WIMAX) system and a Long Term Evolution (LTE) system.
  • the execution body of the access control method provided by the following embodiments may be a base station under any of the above communication systems.
  • the access control method provided in the following embodiments may be applied to a scenario where a large number of users simultaneously access any of the above base stations, such as: concert, New Year's Eve, or a gathering.
  • FIG. 1 is a schematic diagram of a multimedia service access control method according to an embodiment of the present invention. As shown in Figure 1, the method includes the following steps:
  • the base station determines, according to the preset condition, whether to trigger the access category blocking control, where the access category blocking control is the access control SSAC of the service specified or the access category blocking control of the circuit switched fallback CSFB; wherein, the preset The conditions include: the base station receives an alert message and/or the base station is in a congested state.
  • the conditions for triggering the AC Barring control are set in advance for the base station.
  • the AC Barring control is AC Barring control of SSAC or CSFB.
  • the base station can determine whether to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to preset conditions.
  • the preset condition may include that the base station is in a congested state, or the base station receives the alarm message, or the base station receives the alarm message and the base station is in a congested state. Those skilled in the art should know that the preset conditions are not limited thereto.
  • the base station when a large number of UEs initiate an access request to a base station, the base station is likely to be in a congested state. In the congestion state, the base station cannot improve the UE. In order to reduce the time when the base station is in the congestion state, the base station can trigger the AC Barring control of the SSAC and/or CSFB to enable the base station to quickly cancel the congestion state, so as to improve the UE. service.
  • the third party sends an alarm message to the core network device before or during the disaster such as an earthquake, tsunami or terrorist attack.
  • the alarm information may be an Earthquake and Tsunami Warning System (ETWS) or a public alarm system ( Commercial Mobile Alert System (CMAS) broadcasts an alert message sent to the core network device.
  • EWS Earthquake and Tsunami Warning System
  • CMAS Commercial Mobile Alert System
  • the alarm message in this embodiment includes, but is not limited to, an alarm message sent by the ETWS and an alarm message sent by the CMAS.
  • the core network device carries the received alarm message in the broadcast message and sends it to the base station.
  • the core network device may be a Mobile Management Entity (MME).
  • MME Mobile Management Entity
  • the base station can know that a disaster will occur. In order to ensure that the UE is in a disaster scenario, the disaster bulletin board can be accessed quickly. The base station needs to trigger the AC Barring control of the SSAC and/or the CSFB to reserve a large amount of network resources for the UE, so that the UE can obtain the escape information and the information in time. Disaster information.
  • the base station When the base station meets one of the preset conditions, the base station automatically triggers the AC Barring control of SSAC and/or CSFB.
  • the AC Barring control for the SSAC can block the access of the SSAC multimedia voice telephony service (SSAC-Multi-Media Telephony-Voice, SSAC-MMTEL-Voice), and can also block the SSAC multimedia voice and video telephony service ( Access to SSAC-Multi-Media Telephony- Voice, SSAC- MMTEL- Vedio).
  • the CS Bar's AC Barring control can block the access of voice services from the Packet Switching (PS) to the Circuit Switching (CS).
  • AC Barring control for SSAC includes, but is not limited to, blocking access to SSAC-MMTEL- Vedio and SSAC-MMTEL-Voice.
  • the base station broadcasts the control parameter of the access congestion control to the user equipment UE, so that the UE controls access to the base station according to the control parameter.
  • the base station configures the control parameters of the AC Barring control, and then controls the AC Barring.
  • the control parameter broadcast is sent to the UE broadcast.
  • the base station may carry the control parameter of the AC Barring control in the broadcast message, and send the control parameter to the UE by using the broadcast message.
  • the control parameters of the AC Barring control may include: a blocking factor, a blocking time, and an blocking manner of AC11 ⁇ AC15.
  • the control parameters of the AC Barring control include, but are not limited to, the examples herein.
  • the UE may control access to the base station according to the control parameters. Specifically, the UE controls the process of accessing the base station according to the control parameter.
  • the base station determines whether to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the preset condition. If the determination result is yes, the base station broadcasts the control parameter of the AC Barring control to the broadcast parameter.
  • the UE is configured to enable the UE to access the base station according to the control parameter.
  • the base station can automatically trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the congestion status or the alarm message of the base station in real time, thereby overcoming the problem of poor real-time performance of manually triggering the AC Barring control, and improving the problem.
  • the base station triggers the timeliness and flexibility of AC Barring control.
  • FIG. 2 is a schematic diagram of another access control method according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps:
  • the base station receives an alarm message.
  • the ETWS or CMAS broadcasts an alert message to the core network device before or during a disaster such as an earthquake, tsunami or terrorist attack.
  • the core network device carries the received alarm message in the broadcast message and sends it to the base station.
  • the base station verifies the validity of the alarm message.
  • the base station may receive a false alarm message. After the base station receives the alarm message, the base station needs to verify the validity of the alarm message to ensure that the alarm message is correct. Specifically, the base station can determine whether the alarm message is an alarm message sent by the earthquake tsunami warning system ETWS or the public alarm system CMAS. In this embodiment, the base station may determine the source of the alarm message according to the format, content, or type identifier of the alarm message to verify the validity of the alarm message. In this embodiment, the verification of the alarm message by the base station can prevent the false alarm message from causing the base station to fail to work normally.
  • the base station triggers the AC Barring control. After determining that the alarm message is valid, the UE can quickly access the disaster bulletin board in order to ensure that the UE is in a disaster scenario.
  • the base station can trigger the AC Barring control of the SSAC and/or CSFB to reserve a large amount of network resources for the UE.
  • the UE can obtain escape information and disaster information in time.
  • the base station broadcasts the control parameter of the AC Barring control to the UE, so that the UE controls access to the base station according to the control parameter.
  • the base station After triggering the AC Barring control of SSAC and/or CSFB, the base station configures the control parameters of the AC Barring control, and then broadcasts the control parameters to the UE broadcast. Specifically, the base station may carry a control parameter in the broadcast message, and send the control parameter to the UE by using the broadcast message.
  • the control parameters of the AC Barring control may include: a blocking factor, a blocking time, and a blocking mode of AC11 ⁇ AC15.
  • the control parameters of the AC Barring control include, but are not limited to, the examples herein.
  • the base station records a duration of the AC Barring control.
  • the base station can record the duration of the AC Barring control.
  • the base station may set a timer, and when the AC Barring control is triggered, start a timer to record the duration of the AC Barring control.
  • the base station After the duration exceeds the preset time threshold, the base station broadcasts the indication information used to indicate that the AC Barring control ends to the UE.
  • a time threshold may be preset for the base station. After the base station triggers the duration of the AC Barring to exceed the time threshold, the base station may broadcast, to the UE, an indication message indicating that the AC Barring control ends.
  • the preset time threshold may be used as the timing time of the timer set in the base station. After the timer time of the timer reaches the timing, the base station may carry the indication information in the broadcast message to inform the UE, the base station.
  • the AC Barring control is ended.
  • a field may be added to the broadcast message or the field may be modified to carry the indication information. After receiving the indication information, the UE may normally access the base station according to the AC Barring control.
  • the base station after receiving the alarm message, the base station verifies the validity of the alarm message, and automatically triggers the AC Barring control of the SSAC and/or the AC Barring control of the CSFB after verifying that the alarm message is legal.
  • This embodiment overcomes the problem of poor real-time performance of manually triggering AC Barring control, and improves the timeliness and flexibility of the base station triggering AC Barring control.
  • the base station can also verify the validity of the alarm message, improve the security of the base station, and can record the duration of the AC Barring control. After the preset time threshold is exceeded, the AC Barring control is automatically ended. The flexibility of the AC Barring control is improved.
  • the alarm message in this embodiment includes, but is not limited to, an alarm message sent by the ETWS and an alarm message sent by the CMAS.
  • FIG. 3 is a schematic diagram of another access control method according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps:
  • the base station determines whether the current state is in a congested state.
  • the base station can determine its current state to determine whether the base station is in a congested state. If the determination is yes, step 302 is performed.
  • the base station triggers the AC Barring control.
  • the base station determines that the current state is in a congested state, the base station cannot improve the service for the UE.
  • the base station can automatically trigger the AC Barring control of the SSAC and/or CSFB to enable the base station to quickly cancel the congestion state. I think the UE will improve the service.
  • the base station broadcasts the control parameter of the AC Barring control to the UE, so that the UE controls access to the base station according to the control parameter.
  • the base station after determining that the AC Barring control of the SSAC and/or CSFB needs to be triggered, the base station configures the control parameters of the AC Barring control, and then broadcasts the control parameters to the UE broadcast. Specifically, the base station may carry the control parameter in a broadcast message, and send the control parameter to the UE by using the broadcast message.
  • the control parameters of the AC Barring control may include: a blocking factor, a blocking time, and a blocking mode of AC11 ⁇ AC15.
  • the UE After receiving the AC Barring control parameters, the UE can access the base station according to the control parameters controlled by the AC Barring. Specifically, the UE controls the process of accessing the base station according to the control parameter.
  • the base station periodically determines whether the congestion status is released.
  • the base station can periodically determine whether its own congestion state is released. If it is determined that the congestion status has not been resolved, the base station performs step 305. If you judge if you have The plug state is released and the base station performs step 307.
  • the base station adjusts the control parameter.
  • step 304 if it is determined that the congestion status of the base station is not released, the base station can adjust the control parameters further. For example, you can increase the blocking factor, or increase the blocking time, or adjust the blocking mode.
  • the base station broadcasts the adjusted control parameter to the UE.
  • the base station carries the adjusted control parameters of the AC Barring control in the broadcast message, and sends the control parameters of the AC Barring control to the UE through the broadcast message.
  • the base station broadcasts the indication information used to indicate that the AC Barring control ends to the UE.
  • the base station may carry indication information for ending the AC Barring control in the broadcast message to inform the UE that the base station ends the AC Barring control.
  • a field may be added to the broadcast message or the field may be modified to carry the indication information.
  • the UE may normally access the base station according to the AC Barring control.
  • the base station automatically triggers when it determines that it is in a congested state.
  • This embodiment overcomes the problem of poor real-time performance of the manually triggered AC Barring control, and improves the timeliness and flexibility of the base station triggering AC Barring control.
  • the base station also determines whether the congestion state is released in real time. If the congestion state continues, the AC Barring parameter can be adjusted to increase the strength of the AC Barring, so as to facilitate the faster release of the congestion state and improve the flexibility of the AC Barring control. Sex.
  • FIG. 4 is a schematic diagram of another access control method according to an embodiment of the present invention. As shown in FIG. 4, the method includes the following steps:
  • the base station receives an alarm message.
  • the ETWS or CMAS broadcasts an alert message to the core network device before or during a disaster such as an earthquake, tsunami or terrorist attack.
  • the core network device carries the received alarm message in the broadcast message and sends it to the base station.
  • the base station verifies the validity of the alarm message, and determines whether it is in a congested state.
  • the base station may receive a false alarm message after the base station receives the alarm message.
  • the base station needs to verify the validity of the alarm message to ensure that the alarm message is correct. Specifically, the base station can determine whether the alarm message is an alarm message sent by the earthquake tsunami warning system ETWS or the public alarm system CMAS. In this embodiment, the base station may determine the source of the alarm message according to the format, content, or type identifier of the alarm message, to verify the validity of the alarm message. In this embodiment, the verification of the alarm message by the base station can prevent the false alarm message from causing the base station to fail to work normally. Further, the base station can make its own current state to determine whether the base station is in a congested state.
  • the base station If it is determined that the alarm message is legal and the base station is in a congested state, the base station triggers the AC Barring control.
  • the UE can quickly access the disaster bulletin board to ensure that the UE is in a disaster scenario.
  • the base station automatically triggers the AC Barring control of the SSAC and/or CSFB to reserve a large amount of information for the UE. Network resources, so that the UE can obtain escape information and disaster information in time.
  • the base station broadcasts the control parameter of the AC Barring control to the UE, so that the UE controls access to the base station according to the control parameter.
  • the base station After triggering the AC Barring control of SSAC and/or CSFB, the base station configures the control parameters of the AC Barring control, and then broadcasts the control parameters to the UE broadcast. Specifically, the base station may carry the control parameter in a broadcast message, and send the control parameter to the UE by using the broadcast message.
  • the control parameters of the AC Barring control may include: a blocking factor, a blocking time, and a blocking mode of AC11 ⁇ AC15.
  • the control parameters of the AC Barring control include, but are not limited to, the examples herein.
  • the base station periodically determines whether the congestion state is released.
  • the base station can periodically determine whether its own congestion status is released. If it is determined that the congestion status has not been released, the base station performs step 406. If it is determined that the congestion state has been released, the base station executes step 408.
  • the base station adjusts the control parameter.
  • the base station can adjust the AC Barring control parameters one by one. For example, you can increase the blocking factor, or increase the blocking time, or adjust the blocking mode.
  • the base station broadcasts the adjusted control parameter to the UE.
  • the base station carries the adjusted AC Barring control parameter in the broadcast message, and sends the AC Barring control parameter to the UE by using the broadcast message.
  • the base station broadcasts the indication information used to indicate that the AC Barring control ends to the UE.
  • the base station may carry indication information for ending the AC Barring control in the broadcast message to inform the UE that the base station ends the AC Barring control.
  • a field may be added to the broadcast message or the field may be modified to carry the indication information.
  • the UE may normally access the base station according to the AC Barring control.
  • the base station After receiving the alarm message, the base station verifies the validity of the alarm message.
  • the AC Barring control of the SSAC and/or the AC Barring control of the CSFB are automatically triggered.
  • This embodiment overcomes the problem of poor real-time performance of manually triggered AC Barring control, and improves the timeliness and flexibility of the base station triggering AC Barring control.
  • the base station also determines whether the congestion state is released in real time. If the congestion state continues, the AC Barring parameter can be adjusted to increase the strength of the AC Barring, so as to facilitate the faster release of the congestion state and improve the flexibility of the AC Barring control. Sex.
  • the alarm message in this embodiment includes, but is not limited to, an alarm message sent by the ETWS and an alarm message sent by the CMAS.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 5, the base station includes: a first judging module 51 and a sending module 52.
  • the condition for triggering the AC Barring is set in advance for the base station.
  • the AC Barring control is AC Barring control of SSAC or CSFB.
  • the first determining module 51 may determine whether to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to a preset condition.
  • the preset condition may include that the base station is in a congested state, or the base station receives the alarm message, or the base station receives the alarm message and the base station is in a congested state. Those skilled in the art should know that the preset conditions are not limited thereto.
  • the base station when a large number of UEs initiate an access request to a base station, the base station is likely to be in a congested state. In the congestion state, the base station cannot improve the better service for the UE. To reduce the time when the base station is in the congestion state, the first determining module 51 triggers the AC Barring control of the SSAC and/or the AC Barring control of the CSFB, so that the base station can quickly cancel the congestion state. , thinking that the UE is better Service.
  • Third-party agencies broadcast an alert message to the core network device before or during a disaster such as an earthquake, tsunami, or terrorist attack.
  • the core network device carries the received alarm message in the broadcast message and sends it to the base station.
  • the core network device may be an MME.
  • the alarm message in this embodiment includes but is not limited to: an alarm message sent by the ETWS and an alarm message sent by the CMAS.
  • the base station After receiving the alarm message, the base station can know that a disaster will occur.
  • the disaster bulletin board can be accessed relatively quickly, and the first judging module 51 needs to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB to reserve a large amount of network resources for the UE, so that The UE can obtain escape information and disaster information in time.
  • the first judging module 51 When the first judging module 51 satisfies one of the preset conditions, the first judging module 51 automatically triggers the AC Barring control of the SSAC and/or the AC Barring control of the CSFB.
  • the AC Barring control for the SSAC includes blocking the access of the SSAC-MMTEL-Voice service and the SSAC-MMTEL- Vedio service, and the AC Barring control for the CSFB can block the voice dropped from the PS to the CS. Access to business.
  • AC Barring control for SSAC includes, but is not limited to, blocking access to SSAC-MMTEL- Vedio and SSAC-MMTEL-Voice.
  • the sending module 52 sends the control parameters of the AC Barring control to the UE, so that the UE controls access to the base station according to the control parameter.
  • the UE After receiving the AC Barring control parameters, the UE can access the base station according to the AC Barring control parameters. Specifically, the UE controls the process of accessing the base station according to the control parameter.
  • the control parameter For details, refer to the description of related content in the prior art, and details are not described herein again.
  • the base station provided in this embodiment determines whether to trigger the AC Barring control of the SSAC and/or the CSFB according to the preset condition. If the determination result is yes, the base station broadcasts the AC Barring control parameter to the UE, so that the UE controls according to the control parameter. Access to the base station.
  • the base station can automatically trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the congestion status or the alarm message of the base station in real time, thereby overcoming the problem of poor real-time performance of manually triggering the AC Barring control, and improving the problem.
  • the base station triggers the timeliness and flexibility of the AC Barring control.
  • FIG. 6 is a schematic structural diagram of another base station according to an example of the present invention.
  • the base station includes: a first determining module 61, a sending module 62, a timing module 63, a second determining module 64, and an adjusting module. 65
  • the first determining module 61 may determine whether to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to a preset condition.
  • a preset condition refer to the base station of the related content in the foregoing embodiment, and details are not described herein again.
  • the sending module 61 If the first judging module 61 determines that the AC Barring control needs to be triggered, the sending module
  • the base station may receive a false alarm message, and optionally, after receiving the alarm message, the first determining module 61 needs to notify the alarm. The validity of the message is verified to ensure that the alert message is correct.
  • the sending module 62 broadcasts the control parameter to the UE.
  • the timing module 63 can record the duration of the AC Barring control.
  • the timing module 63 can be a timer. While triggering the AC Barring control, a timer is started to record the duration of the AC Barring control.
  • a time threshold may be set in advance. If the duration recorded by the timing module 63 exceeds a preset time threshold, the sending module 65 broadcasts the indication information for indicating the end of the AC Barring control to the UE, to The UE is informed that the base station has finished the AC Barring control, and the UE can normally access the base station.
  • the preset time threshold may be set to the timer time of the timer, and after the timing time is reached, the sending module 62 sends the indication information to the UE.
  • the first determining module 61 can verify the validity of the alarm message, and needs to determine whether the base station is currently in a congested state, if the alarm message is legal and the base station is in congestion. The first determination module 61 determines that the AC Barring control needs to be triggered.
  • the first determining module 61 may determine whether the alarm message is an alarm message sent by the earthquake tsunami warning system ETWS or the public alarm system CMAS. In this embodiment, the first determining module 61 may determine the source of the alarm message according to the format, content, or type identifier of the alarm message, to verify the validity of the alarm message. In this embodiment, the verification of the alarm message can prevent the false alarm message from causing the base station to fail to work normally.
  • the base station may further include a second determining module 64 and an adjusting module 65.
  • the second determining module 64 broadcasts the control parameter of the AC Barring control to the sending module 62 at the sending module 62. After the UE, it is periodically determined whether the congestion status of the base station is released. If the second determining module 64 determines that the congestion status of the base station is not released, the adjustment module 65 may adjust the control parameter, for example, the blocking factor may be increased, or may be increased. Block the time, or adjust the blocking mode. The adjusted control parameter is then broadcasted to the UE by the sending module 62. If the second determining module 64 determines that the congestion status of the base station has been released, the indication information for indicating the end of the AC Barring control is broadcasted to the UE by the transmitting module 62.
  • the base station provided in this embodiment determines whether to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the preset condition. If the determination result is yes, the base station broadcasts the control parameter of the AC Barring control to the UE, so that The UE controls access to the base station according to the control parameter.
  • the base station can automatically trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the congestion status or the alarm message of the base station in real time, thereby overcoming the problem of poor real-time performance of manually triggering the AC Barring control, and improving the problem.
  • the base station triggers the timeliness and flexibility of AC Barring control.
  • the base station also determines whether the congestion state is released in real time. If the congestion state continues, the control parameters may be adjusted to increase the strength of the AC Barring control, so as to cancel the congestion state more quickly. Further, the base station can record the duration of the AC Barring control, and automatically exceeds the AC Barring control after the preset time threshold is exceeded, thereby improving the flexibility of the AC Barring control.
  • FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 7, the base station includes: a processor 71, a transmitter 72, and a memory 73.
  • the memory 73 is used to store a program.
  • Memory 73 may contain high speed RAM memory and may also include non-volatile memory, such as at least one disk memory.
  • the processor 71 executes the program stored in the memory 73.
  • the processor 71 is configured to determine, according to a preset condition, whether to trigger the access category blocking control, where the access category blocking control is an access category SSAC of the service designated and/or an access category blocking control of the circuit switched fallback CSFB;
  • the preset condition includes: the base station receives an alert message And/or the base station is in a congested state;
  • the transmitter 72 is configured to: broadcast, by the base station, the control parameter of the access category blocking control to the user equipment UE, so that the UE controls the base station according to the control parameter, if the determination result is yes Access.
  • the preset condition is that the base station receives the alarm message, and the processor 71 is specifically configured to verify the validity of the alarm message. If the alarm message is legal, the access category blocking control is triggered.
  • the preset condition is that the base station receives the alarm message and the base station is in a congested state, and the processor 71 is specifically configured to verify the validity of the alarm message, if the alarm message is legal and the The base station is in a congested state, and the access category blocking control is triggered.
  • the processor 71 is specifically configured to determine whether the alarm message is an alarm message sent by the ETWS or the CMAS.
  • the preset condition is that the base station is in a congested state, or the preset condition is that the base station receives an alarm message and the base station is in a congested state, and the processor 71 is further configured to be in the sending module.
  • the transmitter 72 is further configured to: when the processor determines that the congestion status is released. And transmitting, to the UE, indication information that is used to indicate that the access category blocking control ends.
  • the processor 71 is further configured to adjust the control parameter when it is determined that the congestion status is not released, and the sending module 72 is further configured to broadcast the adjusted control parameter to the UE.
  • the processor 71 is further configured to record a duration of the AC Barring control, and the transmitter 72 is further configured to: after the duration exceeds a preset time threshold, be used to indicate that the AC Barring control ends.
  • the indication information broadcast is sent to the UE.
  • the processor 71 may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one configured to implement an embodiment of the present invention. Multiple integrated circuits.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the processor 71, the transmitter 72, and the memory 73 may be connected to each other through a bus and complete communication with each other.
  • the bus can be an industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, Peripheral Component (PCI) bus or Extended Industry Standard Architecture (EISA) bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 7, but it does not mean that there is only one bus or one type of bus.
  • the processor 71, the transmitter 72, and the memory 73 are integrated on one chip, the processor 71, the transmitter 72, and the memory 73 can perform the same communication through the internal interface.
  • the function modules of the base station provided in this embodiment may be used to perform the process of the access control method shown in the foregoing related embodiments.
  • the specific working principle is not described here. For details, refer to the description of the method embodiments.
  • the base station provided in this embodiment determines whether to trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the preset condition. If the determination result is yes, the base station broadcasts the control parameter of the AC Barring control to the UE, so that The UE controls access to the base station according to the control parameter.
  • the base station can automatically trigger the AC Barring control of the SSAC and/or the AC Barring control of the CSFB according to the congestion status or the alarm message of the base station in real time, thereby overcoming the problem of poor real-time performance of manually triggering the AC Barring control, and improving the problem.
  • the base station triggers the timeliness and flexibility of AC Barring control.

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Abstract

本发明实施例提供的接入控制方法及装置。该方法包括:基站根据预设的条件判断是否触发接入类别阻塞控制,所述接入类别阻塞控制为业务指定的接入控制SSAC或电路交换回落CSFB的接入类别阻塞控制;其中,所述预设的条件包括:所述基站接收到告警消息和/或所述基站处于拥塞状态;如果判断结果为是,所述基站将所述接入类别阻塞的控制参数广播发送给用户设备UE,以使所述UE根据所述控制参数,控制到所述基站的接入。本发明实施例中,基站可以实时地根据基站拥塞状况或者告警消息,自动触发SSAC的AC Barring控制和/或CSFB的AC Barring控制,提高了触发AC Barring控制的时效性和灵活性。

Description

接入控制方法及装置 技术领域
本发明实施例涉及通信技术, 尤其涉及一种接入控制方法及装置。 背景技术
当发送地震、 海啸或者恐怖袭击等灾难时, 用户设备 (User Equipment, UE)可以通过网络访问灾难公告牌, 来获取灾难信息或者逃生信息, 避免灾 难带来的伤害。 在灾难发生的场景下, 大量 UE会使用多媒体视频电话业 务 (Multi-Media Telephony- Vedio , MMTEL— Vedio ) 或者使用多媒体语音 电话业务 (Multi-Media Telephony- Voice, MMTEL— Voice ) , 与亲人或朋 友进行通话, 这样就会占用大量的网络资源, 可能导致其他 UE不能及时 访问灾难公告牌, 无法及时获取灾难信息或者逃生信息。
目前, 为了保证在灾难场景下, UE能够及时获取灾难信息或者逃生信 息, 运营商可以手动触发业务指定的接入控制 (Service Specific Access Control, SSAC)和电路交换回落(Circuit Switch Fallback, CSFB ) 的接入类 别阻塞 (Access Class Barring, AC Barring) 控制, 以为 UE预留更多的网络 资源,来支撑大量 UE对灾难公告牌的访问。但是,上述手动触发 AC Barring 控制缺乏实时性, 而且灵活性较差。 发明内容
本发明实施例提供一种接入控制方法及装置, 用以解决现有技术中存 在对多媒体业务的接入控制缺乏实时性的问题。
本发明实施例第一个方面是提供一种接入控制方法, 包括:
基站根据预设的条件判断是否触发接入类别阻塞控制, 所述接入类别阻 塞为业务指定的接入控制 SSAC或电路交换回落 CSFB的接入类别阻塞控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息和 /或所述基站处于拥 塞状态;
如果判断结果为是, 所述基站将所述接入类别阻塞控制的控制参数广播 发送给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到所述基站的接 入。
本发明实施例第二个方面是提供一种基站, 包括:
第一判断模块, 用于根据预设的条件判断是否触发接入类别阻塞控制, 所述接入类别阻塞控制为业务指定的接入控制 SSAC或电路交换回落 CSFB 的接入类别阻塞控制; 其中, 所述预设的条件包括: 基站接收到告警消息和 / 或所述基站处于拥塞状态;
发送模块, 用于如果判断结果为是, 将所述接入类别阻塞控制的控制参 数广播发送给给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到所述 基站的接入。
本发明实施例第三个方面是提供一种基站, 包括:
处理器, 用于根据预设的条件判断是否触发接入类别阻塞控制, 所述接 入类别阻塞控制为业务指定的接入控制 SSAC或电路交换回落 CSFB的接入 类别阻塞控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息和 /或 所述基站处于拥塞状态;
发送器, 用于如果判断结果为是, 所述基站将所述接入类别阻塞控制的 控制参数广播发送给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到 所述基站的接入。
本发明实施例提供的接入控制方法及装置, 基站根据预设的条件判断是 否触发 AC Barring控制, 所述 AC Barring控制为业务指定的接入控制 SSAC 和 /或电路交换回落 CSFB的 AC Barring控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息和 /或所述基站处于拥塞状态; 如果判断结果为是, 所述基站将 AC Barring控制的控制参数广播发送给 UE,以使所述 UE根据所 述控制参数, 控制到所述基站的接入。 本发明实施例中, 基站可以实时地根 据基站拥塞状况或者告警消息, 自动触发 SSAC和 /或 CSFB的 AC Barring控 制, 克服了现有手动触发 AC Barring控制存在实时较差的问题, 提高了基站 触发 AC Barring控制的时效性和灵活性。 附图说明
图 1为本发明实施例提供的一种接入控制方法示意图; 图 2为本发明实施例提供的另一种接入控制方法示意图;
图 3为本发明实施例提供的另一种接入控制方法示意图;
图 4为本发明实施例提供的另一种接入控制方法示意图;
图 5为本发明实施例提供的一种基站的结构示意图;
图 6为本发明实施例提供的另一种基站的结构示意图;
图 7为本发明实施例提供的另一种基站的结构示意图。 具体实施方式
下面通过附图和实施例, 对本发明的技术方案做进一歩的详细描述。 在此需要说明, 下述实施例中提供的接入控制方法可以应用在全球移 动通信*** (Global System for Mobile Communication, GSM ) 、 通用移 动通信*** ( Universal Mobile Telecommunications System, UMTS ) 、 全 球微波互耳关接入 ( Worldwide Interoperability for Microwave Access, WIMAX ) ***和长期演进(Long Term Evolution, LTE)***等多 RRU共小区的场景。 下述实施例提供的接入控制方法的执行主体可以为上述任一通信***下的基 站。 而且下述实施例中提供的接入控制方法, 可以应用在大量用户同时接入 上述任一基站的场景, 如: 音乐会、 新年夜或集会等任一场景下。
实施例一
图 1为本发明实施例提供的一种多媒体业务接入控制方法示意图。 如 图 1所示, 该方法包括以下歩骤:
101、基站根据预设的条件判断是否触发接入类别阻塞控制, 所述接入类 别阻塞控制为业务指定的接入控制 SSAC或电路交换回落 CSFB的接入类别 阻塞控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息和 /或所述 基站处于拥塞状态。
本实施例中, 预先为基站设定触发 AC Barring控制的条件。 在本实施例 中, AC Barring控制为 SSAC或 CSFB的 AC Barring控制。 基站在运行过程 中, 可以根据预设的条件判断是否触发 SSAC的 AC Barring控制和 /或 CSFB 的 AC Barring控制。 其中, 预设的条件可以包括基站处于拥塞状态, 或者基 站接收到告警消息, 或者基站接收到告警消息且基站处于拥塞状态。 本领域 技术人员应该知道, 预设的条件并不限于此。 实际应用中, 当有大量 UE 向基站发起接入请求时, 容易造成基站处于 拥塞状态。 在拥塞状态下, 基站无法为 UE提高较好的服务, 为了降低基站 处于拥塞状态的时间, 基站可以触发 SSAC和 /或者 CSFB的 AC Barring控 制, 使基站快速解除拥塞状态, 以为 UE提高较好的服务。
在地震、 海啸或恐怖袭击等灾难到来之前或者发生时, 第三方会向核心 网设备发送告警信息, 其中, 告警信息可以为地震海啸告警***(Earthquake and Tsunami Warning System, ETWS ) 或公共告警*** ( Commercial Mobile Alert System, CMAS ) 向核心网设备广播发送的告警消息。 此处需要说明, 本实施例中的告警消息包括但不限于: ETWS发出的告警消息和 CMAS发出 的告警消息。
核心网设备将接收到告警消息携带在广播消息中发送给基站。在 LTE网 络中,核心网设备可以为移动管理实体(Mobile Managenment Entity, MME)。 在接收到告警消息后, 基站可以得知将有灾难发生。 为了保证处于灾难场景 下 UE, 可以较快地访问灾难公告牌, 基站需要触发 SSAC和 /或 CSFB的 AC Barring控制, 来为 UE预留大量的网络资源, 以使 UE可以及时获取到逃生 信息和灾难信息。
在基站满足预设的条件中的一个条件时, 基站就会自动地触发 SSAC和 / 或 CSFB的 AC Barring控制。 在本实施例中, 针对 SSAC的 AC Barring控制 可阻塞 SSAC的多媒体语音电话业务 (SSAC-Multi-MediaTelephony- Voice, SSAC— MMTEL— Voice)的接入, 也可以阻塞 SSAC的多媒体语音视频电话业 务 (SSAC- Multi-Media Telephony- Voice, SSAC— MMTEL— Vedio) 的接入。 而且针对 CSFB的 AC Barring控制,可以阻塞从分组交换网( Packet Switching, PS ) 中回落到电路交换网 (Circuit Switching, CS ) 中的语音业务的接入。
本领域技术人员应该知道, 针对 SSAC的 AC Barring控制, 包括但不限 于可以阻塞 SSAC-MMTEL— Vedio和 SSAC-MMTEL— Voice的接入。
102、如果判断结果为是, 所述基站将所述接入阻塞控制的控制参数广播 发送给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到所述基站的接 入。
在本实施例中,在判断出需要触发 SSAC和 /或 CSFB的 AC Barring控制 后, 基站对 AC Barring控制的控制参数进行配置, 然后将 AC Barring控制的 控制参数广播发送给 UE广播。具体地, 基站可以在广播消息中携带所述 AC Barring控制的控制参数, 通过该广播消息将所述控制参数发送给 UE。 在本 实施例中, AC Barring 控制的控制参数可以包括: 阻塞因子、 阻塞时间和 AC11〜AC15 的阻塞方式等。 本领域技术人员应该知道, 此处仅为示例, AC Barring控制的控制参数包括但不限于此。
UE在接收到所述 AC Barring控制的控制参数后, 可以根据所述控制参, 控制到基站的接入。具体地, UE根据所述控制参数, 控制到基站的接入的过 程, 可参见现有技术中, 相关内容的记载, 此处不再赘述。
本实施例提供的接入控制方法,基站根据预设的条件判断是否触发 SSAC 的 AC Barring控制和 /或 CSFB的 AC Barring控制,如果判断结果为是,基站 将 AC Barring控制的控制参数广播发送给 UE,以使 UE根据所述控制参数接 入基站。本发明实施例中, 基站可以实时地根据基站拥塞状况或者告警消息, 自动触发 SSAC的 AC Barring控制和 /或 CSFB的 AC Barring控制,克服了手 动触发 AC Barring控制存在的实时性差的问题, 提高了基站触发 AC Barring 控制的时效性和灵活性。
图 2为本发明实施例提供的另一种接入控制方法示意图。 如图 2所示, 该方法包括以下歩骤:
201、 基站接收到告警消息。
在地震、 海啸或恐怖袭击等灾难到来之前或者发生时, ETWS或 CMAS 会向核心网设备广播发送告警消息。 核心网设备将接收到告警消息携带在广 播消息中发送给基站。
202、 所述基站对所述告警消息的合法性进行验证。
实际中, 基站可能会收到虚假的告警消息, 在基站接收到告警消息后, 基站需要对告警消息的合法性进行验证,以确保告警消息是正确性。具体地, 基站可以判断告警消息是否为地震海啸告警*** ETWS 或者公共告警*** CMAS发出的告警消息。本实施例中, 基站可以根据告警消息的格式、 内容 或者类型标识等来判断告警消息的来源, 以验证告警消息的合法性。本实施 例中, 基站对告警消息的验证, 可以避免虚假告警消息导致基站无法正常工 作。
203、 如果所述告警消息合法, 所述基站触发所述 AC Barring控制。 在判断出告警消息合法后, 为了保证处于灾难场景下 UE, 可以较快地访 问灾难公告牌, 基站可以触发 SSAC和 /或 CSFB的 AC Barring控制, 来为 UE预留大量的网络资源, 以使 UE可以及时获取到逃生信息和灾难信息。
204、 所述基站将所述 AC Barring控制的控制参数广播发送给 UE, 以使 所述 UE根据所述控制参数, 控制到所述基站的接入。
在触发 SSAC和 /或 CSFB的 AC Barring控制后,基站对 AC Barring控制 的控制参数进行配置, 然后将控制参数广播发送给 UE广播。 具体地, 基站 可以在广播消息中携带控制参数, 通过该广播消息将控制参数发送给 UE。在 本实施例中, AC Barring控制的控制参数可以包括: 阻塞因子、 阻塞时间和 AC11〜AC15 的阻塞方式等。 本领域技术人员应该知道, 此处仅为示例, AC Barring控制的控制参数包括但不限于此。
205、 所述基站记录所述 AC Barring控制的持续时间。
在触发 SSAC和 /或 CSFB的 AC Barring控制,向 UE广播发送 AC Barring 控制参数后,基站可以对所述 AC Barring控制的持续时间进行记录。可选地, 基站可以设置一个计时器, 在触发所述 AC Barring控制的同时, 启动计时器 进行计时, 记录所述 AC Barring控制的持续时间。
206、在所述持续时间超出预设的时间阈值后, 所述基站将用于指示所述 AC Barring控制结束的指示信息广播发送给所述 UE。
在本实施例中,可以为基站预先设置一个时间阈值, 当基站触发所述 AC Barring的持续时间超出该时间阈值后, 基站可以向 UE广播发送一个指示所 述 AC Barring控制结束的指示信息。 具体地, 可以将预设的时间阈值作为设 置在基站中的计时器的定时时间, 当计时器的计时时间达到该定时时间后, 基站就可以在广播消息中携带该指示信息以告知 UE, 基站结束了所述 AC Barring控制。 可选地, 可以在广播消息中增加字段或者修改字段, 来携带指 示信息。 UE接收到该指示信息后, 可以按照在所述 AC Barring控制之前, 正常接入基站。
本实施例提供的接入控制方法, 在接收到告警消息后, 基站验证告警消 息的合法性, 在验证出告警消息合法后, 自动触发 SSAC的 AC Barring控制 和 /或 CSFB的 AC Barring控制。本实施例克服了手动触发 AC Barring控制存 在的实时性差的问题, 提高了基站触发 AC Barring控制的时效性和灵活性。 而且基站还可以对告警消息的合法性进行验证, 提高了基站的安全性, 并且能够记录所述 AC Barring控制的持续时间, 在超过预设的时间阈值后, 自动结束所述 AC Barring控制, 进一歩提高所述 AC Barring控制的灵活性。
此处需要说明, 本实施例中的告警消息包括但不限于: ETWS 发出的告 警消息和 CMAS发出的告警消息。
图 3为本发明实施例提供的另一种接入控制方法示意图。 如图 3所示, 该方法包括以下歩骤:
301、 基站判断当前是否处于拥塞状态。
基站可以对自身的当前状态进行判断, 以确定基站是否处于拥塞状态, 如果判断结果为是, 执行歩骤 302。
302、 所述基站触发所述 AC Barring控制。
如果基站判断出当前处于拥塞状态, 说明基站无法为 UE提高较好的服 务, 为了降低基站处于拥塞状态的时间, 基站可以自动触发 SSAC和 /或者 CSFB的 AC Barring控制, 使基站快速解除拥塞状态, 以为 UE提高较好的 服务。
303、 所述基站将所述 AC Barring控制的控制参数广播发送给 UE, 以使 所述 UE根据所述控制参数, 控制到所述基站的接入。
在本实施例中,在判断出需要触发 SSAC和 /或 CSFB的 AC Barring控制 后, 基站对 AC Barring控制的控制参数进行配置, 然后将控制参数广播发送 给 UE广播。 具体地, 基站可以在广播消息中携带所述控制参数, 通过该广 播消息将所述控制参数发送给 UE。在本实施例中, AC Barring控制的控制参 数可以包括: 阻塞因子、 阻塞时间和 AC11〜AC15 的阻塞方式等。 本领域技 术人员应该知道, 此处仅为示例, AC Barring控制的控制参数包括但不限于 此。
UE在接收到 AC Barring控制参数后, 可以根据 AC Barring控制的控制 参数接入基站。 具体地, UE根据所述控制参数, 控制到基站的接入的过程, 可参见现有技术中, 相关内容的记载, 此处不再赘述。
304、 所述基站周期性判断所述拥塞状态是否解除。
在 AC Barring控制的过程中, 基站可以周期性判断自身的拥塞状态是否 解除。 如果判断出拥塞状态未解除, 基站执行歩骤 305。 如果如果判断出拥 塞状态已解除, 基站执行歩骤 307。
305、 所述基站调整所述控制参数。
在歩骤 304中如果判断出未解除基站的拥塞状态, 基站可以进一歩地调 整所述控制参数。 例如, 可以增大阻塞因子, 或者增大阻塞时间, 或者调整 阻塞方式等。
306、 所述基站将调整后的所述控制参数广播发送给所述 UE。
基站在广播消息中携带调整后的 AC Barring控制的控制参数, 通过该广 播消息将 AC Barring控制的控制参数发送给 UE。
307、所述基站将用于指示所述 AC Barring控制结束的指示信息广播发送 给所述 UE。
具体地, 基站可以在广播消息中携带用于所述 AC Barring控制结束的指 示信息, 以告知 UE基站结束了所述 AC Barring控制。 可选地, 可以在广播 消息中增加字段或者修改字段, 来携带指示信息。 UE接收到该指示信息后, 可以按照在所述 AC Barring控制之前, 正常接入基站。
本实施例提供的接入控制方法, 基站在判断出处于拥塞状态, 自动触发
SSAC的 AC Barring控制和 /或 CSFB的 AC Barring控制。本实施例克服了手 动触发 AC Barring控制存在的实时性差的问题, 提高了基站触发 AC Barring 控制的时效性和灵活性。
而且基站还实时地判断拥塞状态是否解除, 如果拥塞状态持续, 可以调 整所述 AC Barring参数, 增大所述 AC Barring的力度, 以利于更快地解除拥 塞状态, 提高所述 AC Barring控制的灵活性。
图 4为本发明实施例提供的另一种接入控制方法示意图。 如图 4所示, 该方法包括以下歩骤:
401、 基站接收告警消息。
在地震、 海啸或恐怖袭击等灾难到来之前或者发生时, ETWS或 CMAS 会向核心网设备广播发送告警消息。 核心网设备将接收到告警消息携带在广 播消息中发送给基站。
402、所述基站对所述告警消息的合法性进行验证, 以及判断是否处于拥 塞状态。
实际中, 基站可能会收到虚假的告警消息, 在基站接收到告警消息后, 基站需要对告警消息的合法性进行验证, 以确保告警消息是正确性。具体地, 基站可以判断告警消息是否为地震海啸告警*** ETWS 或者公共告警*** CMAS发出的告警消息。 本实施例中, 基站可以根据告警消息的格式、 内容 或者类型标识等来判断告警消息的来源, 以验证告警消息的合法性。 本实施 例中, 基站对告警消息的验证, 可以避免虚假告警消息导致基站无法正常工 作。 进一歩地, 基站可以自身的当前状态进行判断, 以确定基站是否处于拥 塞状态。
403、如果判断所述告警消息合法且所述基站处于拥塞状态, 所述基站触 发所述 AC Barring控制。
当基站判断出告警消息合法且处于拥塞状态后, 为了保证处于灾难场景 下 UE, 可以较快地访问灾难公告牌, 基站自动触发 SSAC和 /或 CSFB的 AC Barring控制, 来为 UE预留大量的网络资源, 以使 UE可以及时获取到逃生 信息和灾难信息。
404、 所述基站将所述 AC Barring控制的控制参数广播发送给 UE, 以使 所述 UE根据所述控制参数, 控制到所述基站的接入。
在触发 SSAC和 /或 CSFB的 AC Barring控制后,基站对 AC Barring控制 的控制参数进行配置, 然后将所述控制参数广播发送给 UE广播。 具体地, 基站可以在广播消息中携带所述控制参数, 通过该广播消息将所述控制参数 发送给 UE。在本实施例中, AC Barring控制的控制参数可以包括:阻塞因子、 阻塞时间和 AC11〜AC15 的阻塞方式等。 本领域技术人员应该知道, 此处仅 为示例, AC Barring控制的控制参数包括但不限于此。
405、 所述基站周期性的判断所述拥塞状态是否解除。
在 AC Barring控制的过程中, 基站可以周期性判断自身的拥塞状态是否 解除。 如果判断出拥塞状态未解除, 基站执行歩骤 406。 如果如果判断出拥 塞状态已解除, 基站执行歩骤 408。
406、 所述基站调整所述控制参数。
在歩骤 405中如果判断出未解除基站的拥塞状态, 基站可以进一歩地调 整所述 AC Barring控制参数。例如, 可以增大阻塞因子, 或者增大阻塞时间, 或者调整阻塞方式等。
407、 所述基站将调整后的所述控制参数广播发送给所述 UE。 基站在广播消息中携带调整后的 AC Barring控制参数, 通过该广播消息 将 AC Barring控制参数发送给 UE。
408、所述基站将用于指示所述 AC Barring控制结束的指示信息广播发送 给所述 UE。
具体地, 基站可以在广播消息中携带用于所述 AC Barring控制结束的指 示信息, 以告知 UE基站结束了所述 AC Barring控制。 可选地, 可以在广播 消息中增加字段或者修改字段, 来携带指示信息。 UE接收到该指示信息后, 可以按照在所述 AC Barring控制之前, 正常接入基站。
本实施例提供的接入控制方法, 基站接收到告警消息后, 验证告警消息 的合法性, 在告警消息合法且基站处于拥塞状态, 自动触发 SSAC 的 AC Barring控制和 /或 CSFB的 AC Barring控制。 本实施例克服了手动触发 AC Barring控制存在的实时性差的问题,提高了基站触发 AC Barring控制的时效 性和灵活性。
而且基站还实时地判断拥塞状态是否解除, 如果拥塞状态持续, 可以调 整所述 AC Barring参数, 增大所述 AC Barring的力度, 以利于更快地解除拥 塞状态, 提高所述 AC Barring控制的灵活性。
此处需要说明, 本实施例中的告警消息包括但不限于: ETWS 发出的告 警消息和 CMAS发出的告警消息。
图 5为本发明实施例提供的一种基站的结构示意图。 图 5所示, 该基站 包括: 第一判断模块 51和发送模块 52。
本实施例中, 预先为基站设定触发 AC Barring的条件。 在本实施例中, 所述 AC Barring控制为 SSAC或 CSFB的 AC Barring控制。在基站运行过程 中,第一判断模块 51可以根据预设的条件,判断是否触发 SSAC的 AC Barring 控制和 /或 CSFB的 AC Barring控制。 其中, 预设的条件可以包括基站处于拥 塞状态, 或者基站接收到告警消息, 或者基站接收到告警消息且基站处于拥 塞状态。 本领域技术人员应该知道, 预设的条件并不限于此。
实际应用中, 当有大量 UE 向基站发起接入请求时, 容易造成基站处于 拥塞状态。 在拥塞状态下, 基站无法为 UE提高较好的服务, 为了降低基站 处于拥塞状态的时间, 第一判断模块 51触发 SSAC的 AC Barring控制和 / 或 CSFB的 AC Barring控制, 使基站快速解除拥塞状态, 以为 UE提高较好 的服务。
在地震、 海啸或恐怖袭击等灾难到来之前或者发生时, 第三方机构会向 核心网设备广播发送告警消息。 核心网设备将接收到告警消息携带在广播消 息中发送给基站。 在 LTE网络中, 核心网设备可以为 MME。 本实施例中的 告警消息包括但不限于: ETWS发出的告警消息和 CMAS发出的告警消息。
在接收到告警消息后, 基站可以得知将有灾难发生。 为了保证处于灾难 场景下 UE, 可以较快地访问灾难公告牌, 第一判断模块 51需要触发 SSAC 的 AC Barring控制和 /或 CSFB的 AC Barring控制,来为 UE预留大量的网络 资源, 以使 UE可以及时获取到逃生信息和灾难信息。
在第一判断模块 51满足上述预设的条件中的一个预设条件时,第一判断 模块 51就会自动地触发 SSAC的 AC Barring控制和 /或 CSFB的 AC Barring 控制。 在本实施例中, 针对 SSAC 的 AC Barring 控制包括阻塞 SSAC— MMTEL— Voice 业务和 SSAC— MMTEL— Vedio 业务的接入, 而针对 CSFB的 AC Barring控制,可以阻塞从 PS中回落到 CS中的语音业务的接入。
本领域技术人员应该知道, 针对 SSAC的 AC Barring控制, 包括但不限 于可以阻塞 SSAC-MMTEL— Vedio和 SSAC-MMTEL— Voice的接入。
在第一判断模块 51判断出需要触发所述 AC Barring控制时, 发送模块 52将 AC Barring控制的控制参数发送给 UE, 以使 UE根据所述控制参数, 控制到基站的接入。
UE在接收到 AC Barring控制参数后, 可以根据 AC Barring控制参数接 入基站。 具体地, UE根据所述控制参数, 控制到基站的接入的过程, 可参见 现有技术中, 相关内容的记载, 此处不再赘述。
本实施例提供的基站, 根据预设的条件判断是否触发 SSAC和 /或 CSFB 的 AC Barring控制, 如果判断结果为是, 基站将 AC Barring控制参数广播发 送给 UE, 以使 UE根据控制参数, 控制到基站的接入。 本发明实施例中, 基 站可以实时地根据基站拥塞状况或者告警消息,自动触发 SSAC的 AC Barring 控制和 /或 CSFB的 AC Barring控制,克服了手动触发 AC Barring控制存在的 实时性差的问题, 提高了基站触发 AC Barring控制的时效性和灵活性。
图 6本发明实例提供的另一种基站结构示意图。 图 6所示, 该基站包括: 第一判断模块 61、 发送模块 62、 计时模块 63、 第二判断模块 64和调整模块 65
在基站运行过程中, 第一判断模块 61可以根据预设的条件, 判断是否触 发 SSAC的 AC Barring控制和 /或 CSFB的 AC Barring控制。其中, 预设的条 件参见上述实施例中相关内容的基站, 此处不再赘述。
如果第一判断模块 61判断出需要触发所述 AC Barring控制后,发送模块
62将 AC Barring控制的控制参数广播发送给 UE, 以使 UE根据所述控制参 数接入基站。关于发送模块 62发送所述控制参数的过程以及所述控制参数的 介绍, 可参见上述实施例中相关内容的记载, 此处不再赘述。
在本实施例中, 当预设的条件为接收到告警消息时, 由于实际中基站可 能会收到虚假的告警消息, 可选地, 在接收到告警消息后, 第一判断模块 61 需要对告警消息的合法性进行验证, 以确保告警消息是正确性。
在判断出告警消息正确后, 发送模块 62向 UE广播发送所述控制参数。 在发送模块 62向 UE广播发送所述控制参数后, 计时模块 63可以记录所述 AC Barring控制的持续时间。 可选地, 计时模块 63可以为一个计时器。 在触 发所述 AC Barring控制的同时, 启动计时器进行计时, 记录所述 AC Barring 控制的持续时间。 在本实施例中, 可以预先设置一个时间阈值, 如果计时模 块 63记录的持续时间超出预设的时间阈值,发送模块 65将用于指示所述 AC Barring控制结束的指示信息广播发送给 UE, 以告知 UE基站已经结束了所 述 AC Barring控制, UE可以正常接入基站。 可选地, 可以将预设的时间阈 值设定为计时器的定时时间, 在达到定时时间后, 发送模块 62发送指示信息 给 UE。
当预设的条件为接收到告警消息且基站处于拥塞状态时, 第一判断模块 61可以对告警消息的合法性进行验证, 并且需要判断基站当前是否处于拥塞 状态, 如果告警消息合法且基站处于拥塞状态, 第一判断模块 61判断需要触 发所述 AC Barring控制。
具体地, 第一判断模块 61 可以判断告警消息是否为地震海啸告警*** ETWS或者公共告警*** CMAS发出的告警消息。 本实施例中, 第一判断 模块 61可以根据告警消息的格式、 内容或者类型标识等来判断告警消息的 来源, 以验证告警消息的合法性。 本实施例中, 对告警消息的验证, 可以避 免虚假告警消息导致基站无法正常工作。 可选地, 基站还可以包括第二判断模块 64和调整模块 65。
在预设的条件为基站处于拥塞状态, 或者预设的条件为基站接收到告警 消息且基站处于拥塞状态时, 第二判断模块 64在发送模块 62将 AC Barring 控制的控制参数广播发送给所述 UE后, 周期性地判断基站的拥塞状态是否 解除, 如果第二判断模块 64判断出基站的拥塞状态未解除, 调整模块 65可 以调整所述控制参数, 例如, 可以增大阻塞因子, 或者增大阻塞时间, 或者 调整阻塞方式等。然后通过发送模块 62将调整后的所述控制参数广播发送给 所述 UE。 如果第二判断模块 64判断出基站的拥塞状态已解除, 通过发送模 块 62将用于指示所述 AC Barring控制结束的指示信息广播发送给所述 UE。
本实施例提供的基站,根据预设的条件判断是否触发 SSAC的 AC Barring 控制和 /或 CSFB的 AC Barring控制, 如果判断结果为是, 基站将 AC Barring 控制的控制参数广播发送给 UE, 以使 UE根据所述控制参数, 控制到基站的 接入。 本发明实施例中, 基站可以实时地根据基站拥塞状况或者告警消息, 自动触发 SSAC的 AC Barring控制和 /或 CSFB的 AC Barring控制,克服了手 动触发 AC Barring控制存在的实时性差的问题, 提高了基站触发 AC Barring 控制的时效性和灵活性。
而且基站还实时地判断拥塞状态是否解除, 如果拥塞状态持续, 可以调 整所述控制参数, 增大所述 AC Barring控制的力度, 以便于更快地解除拥塞 状态。 进一歩地, 基站能够记录所述 AC Barring控制的持续时间, 在超过预 设的时间阈值后, 自动结束所述 AC Barring控制, 提高所述 AC Barring控制 的灵活性。
图 7为本发明实施例提供的另一种基站的结构示意图。 如图 7所示, 该 基站包括: 处理器 71、 发送器 72和存储器 73。
存储器 73, 用于存储程序。 存储器 73可能包含高速 RAM存储器, 也 可能还包括非易失性存储器 (non- volatile memory) , 例如至少一个磁盘存 储器。
处理器 71执行存储器 73中存储的程序。
处理器 71, 用于根据预设的条件判断是否触发接入类别阻塞控制, 所述 接入类别阻塞控制为业务指定的接入控制 SSAC和 /或电路交换回落 CSFB的 接入类别阻塞控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息 和 /或所述基站处于拥塞状态;
发送器 72, 用于如果判断结果为是, 所述基站将所述接入类别阻塞控制 的控制参数广播发送给用户设备 UE, 以使所述 UE根据所述控制参数, 控制 到所述基站的接入。
所述预设的条件为基站接收到告警消息,所述处理器 71具体用于对所述 告警消息的合法性进行验证, 如果所述告警消息合法, 触发所述接入类别阻 塞控制。
所述预设的条件为所述基站接收到告警消息且所述基站处于拥塞状态, 所述处理器 71具体用于对所述告警消息的合法性进行验证,如果所述告警消 息合法且所述基站处于拥塞状态, 触发所述接入类别阻塞控制。
所述处理器 71具体用于判断所述告警消息是否为 ETWS或者 CMAS发 出的告警消息。
所述预设的条件为所述基站处于拥塞状态, 或者所述预设的条件为所述 基站接收到告警消息且所述基站处于拥塞状态,所述处理器 71还用于在所述 发送模块将所述接入类别阻塞控制的控制参数广播发送给所述 UE后, 周期 性地判断所述拥塞状态是否解除,所述发送器 72还用于在所述处理器判断出 所述拥塞状态解除时, 将用于指示所述接入类别阻塞控制结束的指示信息广 播发送给所述 UE。
所述处理器 71还用于在判断出所述拥塞状态未解除时,调整所述控制参 数, 所述发送模块 72还用于将调整后的所述控制参数广播发送给所述 UE。
所述处理器 71还用于记录所述 AC Barring控制的持续时间,所述发送器 72 还用于在所述持续时间超出预设的时间阈值后, 将用于指示所述 AC Barring控制结束的指示信息广播发送给所述 UE。
其中, 处理器 71可能是一个中央处理器(Central Processing Unit, 简 称为 CPU ) , 或者是特定集成电路 (Application Specific Integrated Circuit, 简称为 ASIC ) , 或者是被配置成实施本发明实施例的一个或多个集成电 路。
可选地, 在具体实现上, 如果处理器 71、 发送器 72和存储器 73独立实 现, 则处理器 71、 发送器 72和存储器 73可以通过总线相互连接并完成相互 间的通信。 所述总线可以是工业标准体系结构 ( Industry Standard Architecture, 简称为 ISA ) 总线、 外部设备互连 ( Peripheral Component, 简称为 PCI ) 总线或扩展工业标准体系结构 (Extended Industry Standard Architecture , 简称为 EISA ) 总线等。 所述总线可以分为地址总线、 数据 总线、 控制总线等。 为便于表示, 图 7中仅用一条粗线表示, 但并不表示仅 有一根总线或一种类型的总线。
可选的, 在具体实现上, 如果处理器 71、 发送器 72和存储器 73集成在 一块芯片上实现, 则处理器 71、 发送器 72和存储器 73可以通过内部接口完 成相同间的通信。
本实施例提供的基站的各功能模块可用于执行上述相关实施例中所示的 接入控制方法的流程, 其具体工作原理不再赘述, 详见方法实施例的描述。
本实施例提供的基站,根据预设的条件判断是否触发 SSAC的 AC Barring 控制和 /或 CSFB的 AC Barring控制, 如果判断结果为是, 基站将 AC Barring 控制的控制参数广播发送给 UE, 以使 UE根据所述控制参数, 控制到基站的 接入。 本发明实施例中, 基站可以实时地根据基站拥塞状况或者告警消息, 自动触发 SSAC的 AC Barring控制和 /或 CSFB的 AC Barring控制,克服了手 动触发 AC Barring控制存在的实时性差的问题, 提高了基站触发 AC Barring 控制的时效性和灵活性。
本领域普通技术人员可以理解: 实现上述方法实施例的全部或部分歩骤 可以通过程序指令相关的硬件来完成, 前述的程序可以存储于一计算机可读 取存储介质中, 该程序在执行时, 执行包括上述方法实施例的歩骤; 而前述 的存储介质包括: ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码的介 质。
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非对 其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换; 而这些修改或者替换, 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims

权 利 要 求 书
1、 一种接入控制方法, 其特征在于, 包括:
基站根据预设的条件判断是否触发接入类别阻塞控制, 所述接入类别阻 塞为业务指定的接入控制 SSAC或电路交换回落 CSFB的接入类别阻塞控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息和 /或所述基站处于拥 塞状态;
如果判断结果为是, 所述基站将所述接入类别阻塞控制的控制参数广播 发送给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到所述基站的接 入。
2、 根据权利要求 1所述的接入控制方法, 其特征在于, 所述预设的条件 为所述基站接收到告警消息;
所述基站根据预设的条件判断是否触发接入类别阻塞控制包括: 所述基站对所述告警消息的合法性进行验证;
如果所述告警消息合法, 所述基站触发所述接入类别阻塞控制。
3、 根据权利要求 1所述的接入控制方法, 其特征在于, 所述预设的条件 为所述基站接收到告警消息且所述基站处于拥塞状态;
所述基站根据预设的条件判断是否触发接入类别阻塞控制包括: 所述基站对所述告警消息的合法性进行验证;
如果所述告警消息合法且所述基站处于拥塞状态, 所述基站触发所述接 入类别阻塞控制。
4、 根据权利要求 2或 3所述的接入控制方法, 其特征在于, 所述基站对 所述告警消息的合法性进行验证包括:
所述基站判断所述告警消息是否为地震海啸告警*** ETWS或者公共告 警*** CMAS发出的告警消息。
5、 根据权利要求 1所述的接入控制方法, 其特征在于, 所述预设的条件 为所述基站处于拥塞状态; 或者所述预设的条件为所述基站接收到告警消息 且所述基站处于拥塞状态;
所述基站将所述接入类别阻塞控制的控制参数携带在广播消息中发送给 用户设备 UE后包括:
所述基站周期性地判断所述拥塞状态是否解除; 如果所述拥塞状态解除, 所述基站将用于指示结束所述接入类别阻塞控 制的指示信息发送给所述 UE。
6、 根据权利要求 5所述的接入控制方法, 其特征在于, 还包括: 如果所述拥塞状态未解除, 所述基站调整所述控制参数;
所述基站将调整后的所述控制参数携带在所述***消息中发送给所述
7、 根据权利要求 1或 2所述的接入控制方法, 其特征在于, 所述基站将 所述接入类别阻塞控制的控制参数携带在广播消息中发送给用户设备 UE后 包括:
所述基站记录所述控制的持续时间;
在所述持续时间超出达预设的时间阈值后, 所述基站将用于指示所述控 制结束的指示信息广播发送给所述 UE。
8、 一种基站, 其特征在于, 包括:
第一判断模块, 用于根据预设的条件判断是否触发接入类别阻塞控制, 所述接入类别阻塞控制为业务指定的接入控制 SSAC或电路交换回落 CSFB 的接入类别阻塞控制; 其中, 所述预设的条件包括: 基站接收到告警消息和 / 或所述基站处于拥塞状态;
发送模块, 用于如果判断结果为是, 将所述接入类别阻塞控制的控制参 数广播发送给给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到所述 基站的接入。
9、 根据权利要求 8所述的基站, 其特征在于, 所述预设的条件为基站接 收到告警消息;
所述第一判断模块具体用于对所述告警消息的合法性进行验证, 如果所 述告警消息合法, 触发所述接入类别阻塞控制。
10、 根据权利要求 8所述的基站, 其特征在于, 所述预设的条件为所述 基站接收到告警消息且所述基站处于拥塞状态;
所述第一判断模块具体用于对所述告警消息的合法性进行验证, 如果所 述告警消息合法且所述基站处于拥塞状态, 触发所述接入类别阻塞控制。
11、 根据权利要求 9或 10所述的基站, 其特征在于, 所述第一判断模块 具体用于判断所述告警消息是否为地震海啸告警*** ETWS或者公共告警系 统 CMAS发出的告警消息。
12、 根据权利要求 8所述的基站, 其特征在于, 所述预设的条件为所述 基站处于拥塞状态; 或者所述预设的条件为所述基站接收到告警消息且所述 基站处于拥塞状态;
所述基站还包括: 第二判断模块;
所述第二判断模块, 用于在所述发送模块将所述控制参数广播发送给所 述 UE后, 周期性地判断所述拥塞状态是否解除;
所述发送模块,还用于在所述第二判断模块判断出所述拥塞状态解除时, 将用于指示所述接入类别阻塞控制结束的指示信息广播发送给所述 UE。
13、 根据权利要求 12所述的基站法, 其特征在于, 还包括:
调整模块, 用于在所述第二判断模块判断出所述拥塞状态未解除时, 调 整所述控制参数;
所述发送模块, 还用于将调整后的所述控制参数广播发送给所述 UE。
14、 根据权利要求 8或 9所述的基站, 其特征在于, 还包括:
计时模块, 用于记录所述接入类别阻塞控制的持续时间;
所述发送模块, 还用于在所述持续时间超出预设的时间阈值后, 将用于 指示所述接入类别阻塞控制结束的指示信息广播发送给所述 UE。
15、 一种基站, 其特征在于, 包括:
处理器, 用于根据预设的条件判断是否触发接入类别阻塞控制, 所述接 入类别阻塞控制为业务指定的接入控制 SSAC或电路交换回落 CSFB的接入 类别阻塞控制; 其中, 所述预设的条件包括: 所述基站接收到告警消息和 /或 所述基站处于拥塞状态;
发送器, 用于如果判断结果为是, 所述基站将所述接入类别阻塞控制的 控制参数广播发送给用户设备 UE, 以使所述 UE根据所述控制参数, 控制到 所述基站的接入。
16、 根据权利要求 15所述的基站, 其特征在于, 所述预设的条件为基站 接收到告警消息;
所述处理器具体用于对所述告警消息的合法性进行验证, 如果所述告警 消息合法, 触发所述接入类别阻塞控制。
17、 根据权利要求 15所述的基站, 其特征在于, 所述预设的条件为所述 基站接收到告警消息且所述基站处于拥塞状态;
所述处理器具体用于对所述告警消息的合法性进行验证, 如果所述告警 消息合法且所述基站处于拥塞状态, 触发所述接入类别阻塞控制。
18、 根据权利要求 16或 17所述的基站, 其特征在于, 所述处理器具体 用于判断所述告警消息是否为地震海啸告警*** ETWS 或者公共告警***
CMAS发出的告警消息。
19、 根据权利要求 15所述的基站, 其特征在于, 所述预设的条件为所述 基站处于拥塞状态; 或者所述预设的条件为所述基站接收到告警消息且所述 基站处于拥塞状态;
所述处理器, 还用于在所述发送模块将接入类别阻塞控制参广播发送给 所述 UE后, 周期性地判断所述拥塞状态是否解除;
所述发送器, 还用于在所述处理器判断出所述拥塞状态解除时, 将用于 指示所述接入类别阻塞控制结束的指示信息广播发送给所述 UE。
20、 根据权利要求 19所述的基站法, 其特征在于, 所述处理器, 还用于 在判断出所述拥塞状态未解除时, 调整所述控制参数;
所述发送模块, 还用于将调整后的所述控制参数广播发送给所述 UE。
21、 根据权利要求 15或 16所述的基站, 其特征在于, 所述处理器, 还 用于记录所述接入类别阻塞控制的持续时间;
所述发送器, 还用于在所述持续时间超出预设的时间阈值后, 将用于指 示所述接入类别阻塞控制结束的指示信息广播发送给所述 UE。
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