US20130017819A1 - Method for State Transition and Network Device - Google Patents

Method for State Transition and Network Device Download PDF

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Publication number
US20130017819A1
US20130017819A1 US13/624,765 US201213624765A US2013017819A1 US 20130017819 A1 US20130017819 A1 US 20130017819A1 US 201213624765 A US201213624765 A US 201213624765A US 2013017819 A1 US2013017819 A1 US 2013017819A1
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Prior art keywords
state
determining
module
state transitions
transitioned
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US13/624,765
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English (en)
Inventor
Xueliang Wang
Lin Zhou
Zongquan Tang
Zhichao Shen
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Assigned to HUAWEI TECHNOLOGIES CO., LTD. reassignment HUAWEI TECHNOLOGIES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHEN, ZHICHAO, TANG, ZONGQUAN, WANG, XUELIANG, ZHOU, LIN
Priority to US13/727,889 priority Critical patent/US8855619B2/en
Publication of US20130017819A1 publication Critical patent/US20130017819A1/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • 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 disclosure relates to the field of communications, and in particular, to a method for a state transition and a network device.
  • UEs User Equipments
  • the intelligent mobile phone when an intelligent mobile phone is in an idle state, if service data to be sent exists, the intelligent mobile phone automatically sends a Radio Resource Control (RRC) signaling connection request to an access network side device (such as a base station controller), so that the access network side device sets up a radio access bearer for the intelligent mobile phone according to the RRC signaling connection request and transits the intelligent mobile phone from the idle state to a connected state; when the intelligent mobile phone is in the connected state, if no service data to be sent exists, the intelligent mobile phone automatically sends a Signaling Connection Release Indication to the access network side device, so that the access network side device releases the radio access bearer set up for the intelligent mobile phone according to the Signaling Connection Release Indication and transits the intelligent mobile phone from the connected state to the idle state.
  • RRC Radio Resource Control
  • the access network side device has to frequently set up/release the radio access bearer for the UE, resulting in a heavy workload.
  • Embodiments of the present disclosure provide a method for a state transition and a network device, which are capable of lightening the workload of an access network side device during a state transition process of a UE.
  • an embodiment of the present disclosure provides a method for a state transition, which includes: judging whether a UE is a UE frequently performing state transitions; transitioning a state of the UE to a Paging Channel (PCH) state if the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state; and transitioning the state of the UE to the idle state if the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • PCH Paging Channel
  • an embodiment of the present disclosure further provides a network device, including 1 a judging module, configured to judge whether a UE is a UE frequently performing state transitions and a state transition module, configured to transit a state of the UE to a PCH state if the judging module judges that the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state, and transit the state of the UE to the idle state if the judging module judges that the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • the UE frequently performing state transitions is transitioned to the PCH state when the state of the UE is required to be transitioned to the idle state, so that an access network side device does not need to frequently set up/release a radio access bearer for the UE, thereby lightening the workload of the access network side device during a state transition process of the UE frequently performing state transitions; and the UE infrequently performing state transitions is transitioned to the idle state when the state of the UE is required to be transitioned to the idle state, so that the access network side device does not need to maintain the PCH state of the UE infrequently performing state transitions, thereby lightening the workload of the access network side device during a state transition process of the UE infrequently performing state transitions.
  • FIG. 1 is a flow chart of a method for a state transition according to an embodiment of the present disclosure
  • FIG. 2 is a flow chart of a method for a state transition according to another embodiment of the present disclosure
  • FIG. 3 is a flow chart of step 201 shown in FIG. 2 ;
  • FIG. 4 is a flow chart of a method for a state transition according to still another embodiment of the present disclosure.
  • FIG. 5 is a flow chart of step 401 shown in FIG. 4 ;
  • FIG. 6 is a flow chart of a method for a state transition according to yet still another embodiment of the present disclosure.
  • FIG. 7 is a schematic structure diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 8 is a first schematic structure diagram of a judging module shown in FIG. 7 ;
  • FIG. 9 is a second schematic structure diagram of the judging module shown in FIG. 7 ;
  • FIG. 10 is a third schematic structure diagram of the judging module shown in FIG. 7 .
  • the embodiments of the present disclosure provide a method for a state transition and a network device.
  • a method for a state transition provided in an embodiment of the present disclosure includes a number of steps.
  • Step 101 Judge whether a UE is a UE frequently performing state transitions.
  • Step 102 Transit a state of the UE to a PCH state if the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state.
  • Step 103 Transit the state of the UE to the idle state if the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • the UE frequently performing state transitions is transitioned to the PCH state when the state of the UE is required to be transitioned to the idle state, so that an access network side device does not need to frequently set up/release a radio access bearer for the UE, thereby lightening the workload of the access network side device during a state transition process of the UE frequently performing state transitions; and the UE infrequently performing state transitions is transitioned to the idle state when the state of the UE is required to be transitioned to the idle state, so that the access network side device does not need to maintain the PCH state of the UE infrequently performing state transitions, thereby lightening the workload of the access network side device during a state transition process of the UE infrequently performing state transitions.
  • a method for a state transition provided in another embodiment of the present disclosure includes a number of steps.
  • Step 201 Obtain an International Mobile Equipment Identity TAC (IMEI TAC) of a UE.
  • IMEI TAC International Mobile Equipment Identity
  • step 201 may include Step 2011 , i.e., Send an Identity Request to the UE.
  • step 2011 may be performed during the RRC connection phase of the UE, and may also be performed after a Signaling Connection Release Indication sent by the UE is received. Alternatively, in practical implementations, the step may also be performed during other phases, but not all scenarios are described in detail here.
  • Step 2012 Receive an International Mobile Equipment Identity (IMEI) returned by the UE according to the Identity Request.
  • IMEI International Mobile Equipment Identity
  • the IMEI may be carried in an Identity Response.
  • Step 2013 Obtain the IMEI TAC from the IMEI received in step 2012 .
  • Step 202 Judge, according to the IMEI TAC obtained in step 201 , whether the UE is a UE frequently performing state transitions.
  • step 202 may include, first, searching for information of a terminal type corresponding to the IMEI TAC obtained in step 201 from a pre-stored correspondence relational table of the IMEI TAC and the terminal type.
  • the UE may be classified into two types.
  • One is an intelligent terminal capable of automatically performing the state transition, which involves frequent state transitions; and the other is a dumb terminal incapable of automatically performing the state transition, which involves infrequent state transitions.
  • the UE may also be classified into two types. One is a terminal frequently performing state transitions; and the other is a terminal infrequently performing state transitions.
  • the correspondence relational table of the IMEI TAC and the terminal type may include the IMEI TAC of the UE and the information of the terminal type corresponding to the UE, as shown in Table 1.
  • the terminal type in the correspondence relational table of the IMEI TAC and the terminal type may be preset to be a default value, for example, the terminal type is an intelligent terminal (or a dumb terminal).
  • the correspondence relational table of the IMEI TAC and the terminal type may also only include the IMEI TAC of the UE, that is, become an IMEI TAC list corresponding to the intelligent terminal (or the dumb terminal).
  • the terminal type in the correspondence relational table of the IMEI TAC and the terminal type is preset to be an intelligent terminal; in this case, the correspondence relational table of the IMEI TAC and the terminal type is shown in Table 2.
  • the embodiment of the present disclosure is not intended to limit the specific form of the correspondence relational table of the IMEI TAC and the terminal type.
  • the correspondence relational table of the IMEI TAC and the terminal type may also be in other forms, which are not described in detail here.
  • the correspondence relational table of the IMEI TAC and the terminal type may be preset by an operator through a user interface.
  • the UE if the information of the terminal type is an intelligent terminal, the UE is a UE frequently performing state transitions; if the information of the terminal type is a dumb terminal, the UE is a UE infrequently performing state transitions.
  • Step 203 Transit a state of the UE to a PCH state if the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state.
  • a method for determining whether the state of the UE is required to be transitioned to the idle state may be, for example, as follows: If a Signaling Connection Release Indication sent by the UE is received, determining that the state of the UE is required to be transitioned to the idle state; or, presetting a timer configured to detect the state transition, starting the timer when the UE is in a Dedicated Channel (DCH) state, and if no service data sent by the UE is received within a counting time of the timer, determining that the state of the UE is required to be transitioned to the idle state.
  • DCH Dedicated Channel
  • Step 204 Transit the state of the UE to the idle state if the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • the UE frequently performing state transitions is transitioned to the PCH state when the state of the UE is required to be transitioned to the idle state, so that an access network side device does not need to frequently set up/release a radio access bearer for the UE, thereby lightening the workload of the access network side device during a state transition process of the UE frequently performing state transitions; and the UE infrequently performing state transitions is transitioned to the idle state when the state of the UE is required to be transitioned to the idle state, so that the access network side device does not need to maintain the PCH state of the UE infrequently performing state transitions, thereby lightening the workload of the access network side device during a state transitions process of the UE infrequently performing state transitions.
  • the number of users in the PCH state is controlled while lightening the load on the signaling plane of the access network side device, so that the occupation of logic resources of the access network side device is reduced to ensure a system capacity.
  • another embodiment of the present disclosure further provides a method for a state transition, which includes a number of steps.
  • Step 401 Obtain a subscriber identity corresponding to a UE.
  • the subscriber identity may include: a Temporary Mobile Subscriber Identity (TMSI), or an International Mobile Subscriber Identity (IMSI).
  • TMSI Temporary Mobile Subscriber Identity
  • IMSI International Mobile Subscriber Identity
  • the subscriber identity may also be other identifications that may uniquely identify a user identity, which are not described in detail here.
  • step 401 may include Step 4011 , i.e., send a Direct Transfer Message to the UE, where the Direct Transfer Message carries information for instructing the UE to report the subscriber identity.
  • Step 4011 i.e., send a Direct Transfer Message to the UE, where the Direct Transfer Message carries information for instructing the UE to report the subscriber identity.
  • step 4011 may be performed during the RRC connection phase of the UE; and may also be performed after a Signaling Connection Release Indication sent by the UE is received. Alternatively, in practical implementations, the step may also be performed during other phases, but not all scenarios are described in detail here.
  • Step 4012 Receive the subscriber identity returned by the UE according to the Direct Transfer Message.
  • the subscriber identity (TMSI) in step 4012 may be carried in an RRC connection request message sent by the UE; if the subscriber identity is the IMSI, the subscriber identity (IMSI) in step 4012 may be carried in an Identity Response sent by the UE.
  • Step 402 Judge, according to the subscriber identity obtained in step 401 , whether the UE is a UE frequently performing state transitions.
  • step 402 may include, first, searching for information of the terminal type corresponding to the subscriber identity obtained in step 401 from a pre-stored correspondence relational table of the subscriber identity and the terminal type.
  • the UE may be classified into two types.
  • One is an intelligent terminal capable of automatically performing the state transition, which involves frequent state transitions; and the other is a dumb terminal incapable of automatically performing the state transitions, which involves infrequent state transitions.
  • the UE may also be classified into two types. One is a terminal frequently performing state transitions; and the other is a terminal infrequently performing state transitions.
  • the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type may include the subscriber identity (TMSI/IMSI) and the corresponding information of the terminal type, as shown in Table 3.
  • the terminal type in the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type may be preset to be a default value, for example the terminal type is an intelligent terminal (or a dumb terminal).
  • the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type may also only include the subscriber identity (TMSI/IMSI), that is, become a subscriber identity (TMSI/IMSI) list corresponding to the intelligent terminal (or the dumb terminal).
  • the terminal type in the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type is preset to be an intelligent terminal; in this case, the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type is shown in Table 4.
  • the embodiment of the present disclosure is not intended to limit the specific form of the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type.
  • the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type may also be in other forms, which are not described in detail here.
  • the correspondence relational table of the subscriber identity (TMSI/IMSI) and the terminal type may be preset by an operator through a user interface.
  • the UE if the information of the terminal type is an intelligent terminal, the UE is a UE frequently performing state transitions. If the information of the terminal type is a dumb terminal, the UE is a UE infrequently performing state transitions.
  • Step 403 Transit a state of the UE to a PCH state if the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state.
  • a method for determining whether the state of the UE is required to be transitioned to the idle state may be, for example, as follows. If a Signaling Connection Release Indication sent by the UE is received, determining that the state of the UE is required to be transitioned to the idle state; or, presetting a timer configured to detect the state transition, starting the timer when the UE is in a DCH state, and if no service data sent by the UE is received within a counting time of the timer, determining that the state of the UE is required to be transitioned to the idle state.
  • Step 404 Transit the state of the UE to the idle state if the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • the UE frequently performing state transitions is transitioned to the PCH state when the state of the UE is required to be transitioned to the idle state, so that an access network side device does not need to frequently set up/release a radio access bearer for the UE, thereby lightening the workload of the access network side device during a state transition process of the UE frequently performing state transitions; and the UE infrequently performing state transitions is transitioned to the idle state when the state of the UE is required to be transitioned to the idle state, so that the access network side device does not need to maintain the PCH state of the UE infrequently performing state transitions, thereby lightening the workload of the access network side device during a state transition process of the UE infrequently performing state transitions.
  • the number of users in the PCH state is controlled while lightening the load on the signaling plane of the access network side device, so that the occupation of logic resources of the access network side device is reduced to ensure a system capacity.
  • Still another embodiment of the present disclosure also provides a method for a state transition, which includes the following steps.
  • Step 601 Receive online state detection information sent by a UE within a preset counting time.
  • the counting time may be set according to actual requirements.
  • the online state detection information may be a control signaling sent by the UE.
  • the online state detection information may be a Signaling Connection Release Indication sent by the UE; may be a data packet with a small amount of bits, for example, a data packet whose size is less than 1 K, sent by the UE, may be pre-defined as the online state detection information; and may also be a self-defined data packet, but not all scenarios are described in detail here.
  • Step 602 Judge, according to the number of times the online state detection information is received from the UE, whether the UE is a UE frequently performing state transitions.
  • a threshold of the number of times may be preset.
  • the threshold is set to be 2. If the number of times the online state detection information is received in step 601 is larger than or equal to the threshold, the UE is a UE frequently performing state transitions; otherwise, the UE is a UE infrequently performing state transitions.
  • Step 603 Transit a state of the UE to a PCH state if the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state.
  • a method for determining whether the state of the UE is required to be transitioned to the idle state may be, for example, as follows: If a Signaling Connection Release Indication sent by the UE is received, determining that the state of the UE is required to be transitioned to the idle state; or, presetting a timer configured to detect the state transition, starting the timer when the UE is in a DCH state, and if no service data sent by the UE is received within a counting time of the timer, determining that the state of the UE is required to be transitioned to the idle state.
  • Step 604 Transit the state of the UE to the idle state if the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • the method for a state transition provided in the embodiment of the present disclosure may further include the following steps:
  • the terminal type of the UE is an intelligent terminal; and if the UE is a UE infrequently performing state transitions, it is determined that the terminal type of the UE is a dumb terminal.
  • the correspondence relation between the IMEI TAC and the terminal type of the UE may be stored in the correspondence relational table of the IMEI TAC and the terminal type; and the correspondence relation between the subscriber identity corresponding to the UE and the terminal type of the UE may be stored in the correspondence relational table of the subscriber identity and the terminal type.
  • other storage forms may also be used, which are not described in detail here.
  • the UE frequently performing state transitions is transitioned to the PCH state when the state of the UE is required to be transitioned to the idle state, so that an access network side device does not need to frequently set up/release a radio access bearer for the UE, thereby lightening the workload of the access network side device during a state transition process of the UE frequently performing state transitions; and the UE infrequently performing state transitions is transitioned to the idle state when the state of the UE is required to be transitioned to the idle state, so that the access network side device does not need to maintain the PCH state of the UE infrequently performing state transitions, thereby lightening the workload of the access network side device during a state transition process of the UE infrequently performing state transitions.
  • the number of users in the PCH state is controlled while lightening the load on the signaling plane of the access network side device, so that the occupation of logic resources of the access network side device is reduced to ensure a system capacity.
  • an embodiment of the present disclosure further provides a network device, including a judging module 701 , configured to judge whether a UE is a UE frequently performing state transitions and a state transition module 702 , configured to transit a state of the UE to a PCH state if the judging module 701 judges that the UE is a UE frequently performing state transitions and when the state of the UE is required to be transitioned to an idle state, and transit the state of the UE to the idle state if the judging module 701 judges that the UE is a UE infrequently performing state transitions and when the state of the UE is required to be transitioned to the idle state.
  • a network device including a judging module 701 , configured to judge whether a UE is a UE frequently performing state transitions and a state transition module 702 , configured to transit a state of the UE to a PCH state if the judging module 701 judges that the UE is a UE frequently performing state transitions and when the state
  • the judging module 701 may include a first obtaining sub-module 7011 , configured to obtain an IMEI TAC of the UE and a first judging sub-module 7012 , configured to judge, according to the IMEI TAC obtained by the first obtaining sub-module 7011 , whether the UE is a UE frequently performing state transitions.
  • the first obtaining sub-module 7011 may be specifically configured to send an Identity Request to the UE; receive an IMEI returned by the UE according to the Identity Request; and obtain the IMEI TAC from the IMEI.
  • the judging module 701 may include a second obtaining sub-module 7013 , configured to obtain the subscriber identity corresponding to the UE and a second judging sub-module 7014 , configured to judge, according to the subscriber identity obtained by the second obtaining sub-module 7013 , whether the UE is a UE frequently performing state transitions.
  • the judging module 701 may include a receiving sub-module 7015 , configured to receive online state detection information sent by the UE within a preset counting time and a third judging sub-module 7016 , configured to judge, according to the number of times the online state detection information is received by the receiving sub-module 7015 from the UE, whether the UE is a UE frequently performing state transitions.
  • the judging module 701 may further include a third obtaining sub-module 7017 , configured to obtain the IMEI TAC of the UE, or the subscriber identity corresponding to the UE a determining sub-module 7018 , configured to determine, according to the judging result of whether the UE is a UE frequently performing state transitions obtained by the third judging sub-module 7016 , the terminal type of the UE and a storing sub-module 7019 , configured to store a correspondence relation between the IMEI TAC of the UE or the subscriber identity corresponding to the UE obtained by the third obtaining sub-module 7017 and the terminal type of the UE determined by the determining sub-module 7018 .
  • the network device provided in the embodiment of the present disclosure is an access network side device.
  • multiple modules of the network device provided in the embodiment of the present disclosure shown in FIG. 7 to FIG. 10 may also be implemented by one module or functional module which has similar functions to the multiple modules, which is not described in detail here.
  • the UE frequently performing state transitions is transitioned to the PCH state when the state of the UE is required to be transitioned to the idle state, and therefore does not need to frequently set up/release a radio access bearer for the UE, thereby lightening the workload during a state transition process of the UE frequently performing state transitions;
  • the UE infrequently performing state transitions is transitioned to the idle state when the state of the UE is required to be transitioned to the idle state, and therefore does not need to maintain the PCH state of the UE infrequently performing state transitions, thereby lightening the workload during a state transition process of the UE infrequently performing state transitions.
  • the method for a state transition and the network device provided in the embodiments of the present disclosure may be used in a radio communication system.
  • steps of the method or algorithm described may be directly implemented by using hardware, a software module executed by a processor, or the combination thereof.
  • the software module may be placed in a Random Access Memory (RAM), a memory, a Read-only Memory (ROM), an Electrically Programmable ROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), a register, a hard disk, a removable magnetic disk, a CD-ROM, or any storage medium of other forms well-known in the technical field.
  • RAM Random Access Memory
  • ROM Read-only Memory
  • EPROM Electrically Programmable ROM
  • EEPROM Electrically Erasable Programmable ROM
  • register a hard disk, a removable magnetic disk, a CD-ROM, or any storage medium of other forms well-known in the technical field.

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CN114173321B (zh) * 2020-09-10 2023-07-11 华为技术有限公司 设备通信连接建立方法及设备通信系统

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BR112012024150B1 (pt) 2021-10-13
KR101543286B1 (ko) 2015-08-10
CA2794229A1 (en) 2011-09-29
EP2544484A1 (en) 2013-01-09
KR20120139793A (ko) 2012-12-27
WO2011116676A1 (zh) 2011-09-29
EP2544484B1 (en) 2015-05-20
EP2544484A4 (en) 2013-04-17
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BR112012024150A2 (pt) 2016-06-28

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