WO2016070437A1 - 状态迁移的方法、用户设备和无线网络控制器 - Google Patents

状态迁移的方法、用户设备和无线网络控制器 Download PDF

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Publication number
WO2016070437A1
WO2016070437A1 PCT/CN2014/090656 CN2014090656W WO2016070437A1 WO 2016070437 A1 WO2016070437 A1 WO 2016070437A1 CN 2014090656 W CN2014090656 W CN 2014090656W WO 2016070437 A1 WO2016070437 A1 WO 2016070437A1
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WO
WIPO (PCT)
Prior art keywords
state transition
state
indication information
user equipment
rrc state
Prior art date
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PCT/CN2014/090656
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English (en)
French (fr)
Inventor
陈君
郑潇潇
庞伶俐
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 CN201480008646.2A priority Critical patent/CN105874873B/zh
Priority to EP14905584.0A priority patent/EP3209086B1/en
Priority to PCT/CN2014/090656 priority patent/WO2016070437A1/zh
Publication of WO2016070437A1 publication Critical patent/WO2016070437A1/zh
Priority to US15/587,688 priority patent/US10334656B2/en
Priority to US16/385,881 priority patent/US20190246448A1/en

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    • 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
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method of state transition, a user equipment, and a radio network controller.
  • the user equipment In the Universal Mobile Telecommunications System (UMTS), the user equipment (English User Equipment, UE for short) has a connected state and an idle state in the Radio Resource Control (RRC) state. In the idle state, the UE can receive broadcasts and pages, but there is no RRC connection with the network side. In the connected state, the UE can perform uplink and downlink data transmission.
  • the connection state is divided into: a Cell Dedicated Channel (CELL_DCH) state, a Cell Forward Access Channel (CELL_FACH) state, and a Cell Paging Channel (English Cell Paging Channel).
  • CELL_DCH Cell Dedicated Channel
  • CELL_FACH Cell Forward Access Channel
  • UMA_PCH UMTS Terrestrial Radio Access Network
  • the UE When the UE has data transmission, the UE is configured to the CELL_FACH state or the CELL_DCH state. When the data transmission of the UE ends, the state of the UE is migrated to the CELL_PCH state or the URA_PCH state to save the power consumption of the UE.
  • the radio network controller (English Radio Network Controller, RNC for short) implements state transition of the UE through RRC signaling. This method of state migration is done through a reconfiguration process. However, with the growing number of small packages, the frequency of state transitions is getting higher and higher. Therefore, an increase in the reconfiguration process leads to an increase in signaling overhead.
  • RNC Radio Network Controller
  • the embodiment of the invention provides a method for state transition, a user equipment and a radio network controller, which can reduce signaling overhead.
  • the first aspect provides a user equipment, where the user equipment includes: a receiving unit, configured to receive state transition indication information sent by a radio network controller RNC and information of a target radio resource control RRC state, where the state transition indication information is used Instructing the user equipment to perform enhanced state migration; and a migration unit, configured to migrate from the current RRC state to the target RRC state according to the state transition indication information.
  • a receiving unit configured to receive state transition indication information sent by a radio network controller RNC and information of a target radio resource control RRC state, where the state transition indication information is used Instructing the user equipment to perform enhanced state migration
  • a migration unit configured to migrate from the current RRC state to the target RRC state according to the state transition indication information.
  • the enhanced state transition is a state transition performed in an enhanced mode, where the migration unit is specifically configured to be in the receiving unit Upon receiving the state transition indication information, the current RRC state is directly migrated to the target RRC state.
  • the method further includes: a sending unit, where the migration unit migrates from the current RRC state to the Before the target RRC state, the radio link control acknowledgement information is sent to the RNC.
  • the method further includes: a sending unit, where the migration unit migrates from the current RRC state to the Before the target RRC state, the signaling connection release indication information that sets the signaling connection release indication cause to the user equipment requesting the end of the packet switched data session is sent to the RNC.
  • the receiving unit is further configured to receive a radio link that is sent by the RNC according to the signaling connection release indication information. Control confirmation information.
  • the receiving unit receives the The state transition indication information is carried on the bit.
  • the receiving unit is specifically used Receiving the reconfiguration signaling sent by the RNC, the reconfiguration signaling carries the state transition indication information and the information of the target RRC state.
  • the receiving unit is specifically used Receiving the reconfiguration signaling or the broadcast message sent by the RNC, the reconfiguration signaling or the broadcast message carries the state transition indication information, where the state transition indication information includes information about the target RRC state.
  • the receiving unit is further used Receiving the target wireless network temporary identifier sent by the RNC, where the user equipment further includes: an updating unit, configured to update the current wireless network temporary identifier to the target wireless network temporary identifier.
  • a radio network controller including: a generating unit, configured to generate state transition indication information and information of a target radio resource control RRC state, where the state transition indication information is used to indicate that the user equipment performs enhanced state transition; And a unit, configured to send the state transition indication information and the information of the target RRC state to the user equipment, so that the user equipment migrates from the current RRC state to the target RRC state according to the state transition indication information.
  • the method further includes: a receiving unit, configured to receive a radio link control acknowledgement sent by the user equipment before moving from a current RRC state to the target RRC state information.
  • the method further includes: a receiving unit, configured to receive a signaling connection that is sent by the user equipment before being migrated from a current RRC state to the target RRC state
  • the indication cause is set to signaling connection release indication information that the user equipment requests the end of the packet switched data session.
  • the sending unit is further configured to send a radio link to the user equipment according to the signaling connection release indication information. Control confirmation information.
  • the sending unit sends the The state transition indication information is carried on the bit.
  • the sending unit is specifically used
  • the reconfiguration signaling is sent to the user equipment, where the reconfiguration signaling carries the state transition indication information and the information of the target RRC state.
  • the sending unit is specifically used Transmitting the reconfiguration signaling or the broadcast message to the user equipment, where the reconfiguration signaling or the broadcast message carries the state transition indication information, where the state transition indication information includes the target RRC Information.
  • the sending unit is further used Sending a target wireless network temporary identifier to the user equipment.
  • the third aspect provides a method for performing state transition, including: receiving state transition indication information sent by a radio network controller RNC and information of a target radio resource control RRC state, where the state transition indication information is used to indicate that the user equipment performs enhanced state transition And transitioning from the current RRC state to the target RRC state according to the state transition indication information.
  • the enhanced state transition is a state transition performed in an enhanced mode, and the transition information from the current RRC state to the target RRC according to the state transition indication information
  • the state includes: in the enhanced mode, when the state transition indication information is received, directly transitioning from the current RRC state to the target RRC state.
  • the transition from the current RRC state to the target RRC state is performed according to the state transition indication information Previously, the method further includes: transmitting wireless link control confirmation information to the RNC.
  • the transition from the current RRC state to the target RRC state is performed according to the state transition indication information
  • the method further includes: sending, to the RNC, signaling connection release indication information that sets the signaling connection release indication cause to the user equipment requesting the end of the packet switched data session.
  • the method further includes: receiving the radio link control acknowledgement information that is sent by the RNC according to the signaling connection release indication information.
  • the state transition indication information is Hosted on the bit.
  • the receiving radio network controller The information about the state transition indication information and the target RRC state sent by the RNC includes: receiving the reconfiguration signaling sent by the RNC, where the reconfiguration signaling carries the state transition indication information and the information of the target RRC state.
  • the information about the state transition indication information and the target RRC state sent by the receiving radio network controller RNC including: receiving the reconfiguration signal sent by the RNC And the broadcast message, the reconfiguration signaling or the broadcast message carries the state transition indication information, where the state transition indication information includes information about the target RRC state.
  • the method further includes: receiving the RNC The transmitted target wireless network temporary identifier; the current wireless network temporary identifier is updated to the target wireless network temporary identifier.
  • the fourth aspect provides a method for performing state transition, including: generating state transition indication information and information of a target radio resource control RRC state, where the state transition indication information is used to indicate that the user equipment performs enhanced state transition; and sending the The state transition indication information and the information of the target RRC state, so that the user equipment migrates from the current RRC state to the target RRC state according to the state transition indication information.
  • the method further includes: receiving radio link control acknowledgement information that is sent by the user equipment before moving from a current RRC state to the target RRC state.
  • the method further includes: receiving, by the user equipment, a reason for setting a signaling connection release indication sent before the user equipment is migrated from the current RRC state to the target RRC state
  • the device requests signaling connection release indication information for the end of the packet switched data session.
  • the method further includes: sending the radio link control confirmation information to the user equipment according to the signaling connection release indication information.
  • the state transition indication information is Hosted on the bit.
  • the information about the state transition indication information and the target RRC state includes: sending reconfiguration signaling to the user equipment, where the reconfiguration signaling carries the state transition indication information and the information of the target RRC state.
  • the sending to the user equipment The state transition indication information and the information of the target RRC state, including: sending a reconfiguration signaling or a broadcast message to the user equipment, where the reconfiguration signaling or the broadcast message carries the state transition indication information, the state transition indication information Information including the target RRC status.
  • the device sends the target wireless network temporary identifier.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • FIG. 1 is a schematic block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 2 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of a radio network controller in accordance with an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for state transition according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method for state transition according to another embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a method for state transition according to another embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of a process of state transition according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of a process of state transition according to another embodiment of the present invention.
  • FIG. 9 is a schematic flowchart of a process of state transition according to another embodiment of the present invention.
  • FIG. 10 is a schematic flowchart of a process of state transition according to another embodiment of the present invention.
  • FIG. 11 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
  • Figure 12 is a schematic block diagram of a radio network controller in accordance with another embodiment of the present invention.
  • GSM Global Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunications System
  • WiMAX Global Interconnected Microwave Access
  • UE User equipment
  • MT mobile terminal
  • MT English Mobile Terminal
  • mobile user equipment can be accessed via a radio access network (for example, RAN, English Radio Access Network)
  • RAN English Radio Access Network
  • the user equipment can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, for example, can be portable, pocket, handheld, built-in computer Or a mobile device on the car.
  • the state transition of the user equipment is mainly done through the reconfiguration process.
  • the process of the state transition may be initiated by the network side, such as the radio network controller RNC, or may be initiated by the UE.
  • the reconfiguration process can be as follows:
  • the RNC sends physical channel reconfiguration signaling to the UE, indicating that the target RRC state of the state transition of the UE is CELL_FACH;
  • the UE After receiving the physical channel reconfiguration signaling, the UE returns physical channel reconfiguration signaling to the RNC;
  • the UE migrates the state from CELL_DCH to CELL_FACH.
  • the state transition process is initiated by the UE, the state of CELL_DCH to CELL_FACH is used.
  • the migration process can be as follows:
  • the UE When the application layer detects that there is no packet switching (PS) data, the UE sends a signaling connection release indication (English Signaling Connection Release Indication, SCRI for short) to the RNC, and the reason for the signaling connection release indication (English Signaling) Connection Release Indication Cause) is set in the cell to request the end of the PS data session (English UE Requested PS Data Session end);
  • a signaling connection release indication English Signaling Connection Release Indication, SCRI for short
  • the RNC After receiving the SCRI sent by the UE, the RNC repeats the above reconfiguration process to complete the state transition to the UE. To avoid repetition, it will not be described in detail here.
  • the user equipment 10 includes a receiving unit 11 and a migration unit 12, where
  • the receiving unit 11 receives the state transition indication information and the target RRC state information sent by the radio network controller RNC, where the state transition indication information is used to indicate that the user equipment performs the enhanced state transition;
  • the migration unit 12 migrates from the current RRC state to the target RRC state according to the state transition indication information.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the RRC state of the UE may migrate from the CELL_DCH state or the CELL_FACH state to the CELL_PCH state or the URA_PCH state.
  • the UE may be adapted to migrate from the CELL_CELL_FACH state to the CELL_PCH state, or from the CELL_FACH state to the URA_PCH state.
  • the UE may report the enhanced state transition capability to the RNC before receiving the state transition indication information. Specifically, the UE may send the uplink RRC signaling carrying the cell to the RNC. Carrying the cell in the uplink RRC signaling indicates that the UE can receive the state transition indication information and perform state transition according to the state transition indication information.
  • the description of the enhanced state transition can be as follows.
  • the receiving unit 11 may receive reconfiguration signaling sent by the RNC, where the reconfiguration signaling carries state transition indication information and information of a target RRC state.
  • the state transition indication information received by the receiving unit 11 may be Hosted on the bit.
  • the state transition indication information instructs the migration unit 12 to perform the enhanced migration process.
  • the state transition indication information can be represented in bits. For example, if the bit is 1, the UE may perform state transition after receiving the reconfiguration signaling. It should be understood that the present invention is not limited to the specific format of the state transition indication information.
  • Enhanced state migration represents state migration in enhanced mode.
  • the state transition indication information is used to indicate that the user equipment migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the enhanced state transition is a state transition performed in the enhanced mode, and in the enhanced mode, the migration unit 12 may directly migrate from the current RRC state when the receiving unit 11 receives the state transition indication information. Go to the target RRC state.
  • the receiving unit 11 may receive the reconfiguration signaling or the broadcast message sent by the RNC, where the reconfiguration signaling or the broadcast message carries the state transition indication information, where the state transition indication information includes the information of the target RRC state. .
  • the reconfiguration signaling or broadcast message may include a plurality of bit indication bits, the multiple bit indication bits may represent the state transition indication information, and the multiple bit indication bits may be used to carry information of a target RRC state.
  • FIG. 2 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
  • the same components in FIG. 2 as those in FIG. 1 use the same reference numerals.
  • the user equipment 10 may further include:
  • the transmitting unit 13 transmits the radio link control confirmation information to the RNC before the migration unit migrates from the current RRC state to the target RRC state.
  • the sending unit 13 may send a radio link control acknowledgement to the RNC (English Radio Link Control Acknowledge, Referred to as RLC ACK) information.
  • RNC English Radio Link Control Acknowledge, Referred to as RLC ACK
  • the migration unit 12 may directly migrate the current RRC state to the target RRC state according to the state transition indication information and the target RRC state.
  • the target RRC state may be a CELL_PCH state or a URA_PCH state.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, it is possible to reduce the state transition The signaling overhead required for shifting.
  • the embodiment of the present invention does not need to reply to the RNC with reconfiguration signaling, which saves signaling overhead.
  • the description of the enhanced state transition can be as follows.
  • the sending unit 13 may send, to the RNC, a signal that sets the signaling connection release indication cause to the user equipment requesting the end of the packet switched data session before the migration unit migrates from the current RRC state to the target RRC state. Let the connection release the indication information.
  • the information of the target RRC state received by the receiving unit 11 may be temporarily stored in the UE. After the UE sends the Signalling Connection Release Indication (SCRI) information to the RNC, the migration unit 12 may migrate from the current RRC state to the target RRC. status.
  • SCRI Signalling Connection Release Indication
  • the sending unit 13 sends the SCRI to the RNC, and sets the UE to request the end of the PS data session in the signaling connection release indication cause (English Signalling Connection Release Indication Cause) cell ( English UE Requested PS Data Session end).
  • the signaling connection release indication cause English Signalling Connection Release Indication Cause
  • the migration unit 12 may directly migrate from the current RRC state to the target RRC state according to the target RRC state in the state transition indication information.
  • the target RRC state may be a CELL_PCH state or a URA_PCH state.
  • the receiving unit 11 further receives the radio link control acknowledgement RLC ACK information that is sent by the RNC according to the signaling connection release indication information.
  • the sending unit 13 sends the signaling connection release indication SCRI signaling to the RNC
  • the receiving unit 11 receives the RLC ACK sent by the RNC, it directly migrates from the current RRC state to the target RRC state.
  • the SCRI signaling can be sent in the Radio Link Control Acknowledge Mode (RLC AM) on the Radio Signaling Control Bearer 2 (SRB2).
  • RLC AM Radio Link Control Acknowledge Mode
  • SRB2 Radio Signaling Control Bearer 2
  • the receiving unit 11 may further receive the target wireless network temporary identifier that is sent by the RNC, where the user equipment 10 may further include:
  • the update unit 14 updates the current wireless network temporary identity to the target wireless network temporary identity.
  • the wireless network temporary identifier (English Radio Network Temporary Identifier,
  • the RNTI can be a Cell Radio Network Temporary Identifier (C-RNTI), an Enhanced Dedicated Channel Radio Network Temporary Identifier (E-RNTI), and a high-speed downlink. At least one of the High Speed Downlink Shared Channel Radio Network Temporary Identifier (H-RNTI) of the shared channel.
  • C-RNTI Cell Radio Network Temporary Identifier
  • E-RNTI Enhanced Dedicated Channel Radio Network Temporary Identifier
  • H-RNTI High Speed Downlink Shared Channel Radio Network Temporary Identifier
  • the updating unit 14 updates the current wireless network temporary identifier to the target network temporary identifier. It should be understood that if the receiving unit 11 does not receive the target wireless network temporary identifier, the current wireless network temporary identifier is kept unchanged.
  • the UE does not receive the RCL ACK and is in the FACH, the High Speed Shared Control Channel (HS-SCCH) or the High Speed Physical Downlink (English High Speed Physical Downlink)
  • the UE does not trigger the RLC reset process after the maximum number of RLC retransmissions of the SCRI is reached.
  • the UE does not receive the RCL ACK and does not receive the downlink data of the UE on the FACH, HS-SCCH, or HS-PDSCH channel, the maximum number of RLC retransmissions of the UE in the SCRI is reached. After that, the RLC reset process is triggered.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the user equipment does not need to wait for the RNC to execute the instruction in the reconfiguration process, and can directly perform state transition.
  • FIG. 3 is a schematic block diagram of a radio network controller in accordance with an embodiment of the present invention.
  • the radio network controller of FIG. 3 can interact with the user equipment of FIG. 1 or 2.
  • the radio network controller 30 includes a generating unit 31 and a transmitting unit 32, where
  • the generating unit 31 generates information of the state transition indication information and the target RRC state, where the state transition indication information is used to indicate that the user equipment performs the enhanced state transition;
  • the sending unit 32 sends the state transition indication information and the target RRC state information to the user equipment, so that the user equipment migrates from the current RRC state to the target according to the state transition indication information. RRC status.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the RRC state of the UE may migrate from the CELL_DCH state or the CELL_FACH state to the CELL_PCH state or the URA_PCH state.
  • the UE may be adapted to migrate from the CELL_CELL_FACH state to the CELL_PCH state, or from the CELL_FACH state to the URA_PCH state.
  • the radio network controller can acquire the state transition capability reported by the UE.
  • the UE may send the uplink RRC signaling of the carried cell to the RNC. Carrying the cell in the uplink RRC signaling indicates that the UE can receive the state transition indication information and perform state transition according to the state transition indication information.
  • the description of the enhanced state transition can be as follows.
  • the sending unit 32 may send reconfiguration signaling to the user equipment, where the reconfiguration signaling carries information about the state transition indication information and the target RRC state.
  • the state transition indication information sent by the sending unit 32 is carried on the bit.
  • the state transition indication information indicates that the user equipment performs the enhanced migration process. It should be understood that the state transition indication information can be represented in bits. For example, if the bit is 1, the UE may perform state transition after receiving the reconfiguration signaling. It should be understood that the present invention is not limited to the specific format of the state transition indication information.
  • Enhanced state migration represents state migration in enhanced mode.
  • the state transition indication information is used to indicate that the user equipment migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the sending unit 32 may send a reconfiguration signaling or a broadcast message to the user equipment, where the reconfiguration signaling or the broadcast message carries state transition indication information, where the state transition indication information includes information of a target RRC state. .
  • the reconfiguration signaling or broadcast message may include a plurality of bit indication bits, the multiple bit indication bits may represent the state transition indication information, and the multiple bit indication bits may be used to carry information of a target RRC state.
  • the radio network controller 30 may further include:
  • the receiving unit 33 receives the radio link control acknowledgement information transmitted by the user equipment before transitioning from the current RRC state to the target RRC state.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the embodiment of the present invention does not need to reply to the RNC with reconfiguration signaling, which saves signaling overhead.
  • the description of the enhanced state transition can be as follows.
  • the receiving unit 33 may receive, after the user equipment migrates from the current RRC state to the target RRC state, set the signaling connection release indication cause to the user equipment requesting the end of the packet switched data session. Connection release indication information.
  • the information of the target RRC state transmitted by the transmitting unit 32 may be temporarily stored in the UE. After the UE sends the signaling release indication SCRI information to the RNC, it may migrate from the current RRC state to the target RRC state.
  • the UE when the UE detects that there is no PS data, the UE sends the SCRI to the RNC, and sets the UE to request the end of the PS data session in the Signal Connection Connection Release Indication Cause (English Signalling Connection Connection Indication Cause) message. UE Requested PS Data Session end).
  • Signal Connection Connection Release Indication Cause English Signalling Connection Connection Indication Cause
  • the sending unit 32 may further send the radio link control confirmation information to the user equipment according to the signaling connection release indication information.
  • SCRI signaling can be transmitted in RLC AM mode on SRB2. After the sender sends a data packet, it needs to receive the RLC ACK sent by the receiver, and then considers that the packet is successfully sent.
  • the sending unit 32 may further send the target wireless network temporary identifier to the user equipment.
  • the radio network temporary identifier RNTI may be at least one of a C-RNTI, an E-RNTI, and an H-RNTI.
  • the sending unit 32 sends the target wireless network temporary identifier
  • the UE will not currently The line network temporary identity is updated to the target network temporary identity. It should be understood that if the transmitting unit 32 does not transmit the target wireless network temporary identifier, the UE keeps the current wireless network temporary identifier unchanged.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the user equipment does not need to wait for the RNC to execute the instruction in the reconfiguration process, and can directly perform state transition.
  • FIG. 4 is a schematic flowchart of a method for state transition according to an embodiment of the present invention.
  • the method shown in FIG. 4 can be implemented by the user equipment of FIG. 1 or 2. To avoid repetition, it will not be described in detail here.
  • the method 400 includes:
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the enhanced state transition is a state transition performed in the enhanced mode.
  • the user equipment may directly migrate from the current RRC state when receiving the state transition indication information in the enhanced mode. Go to the target RRC state.
  • FIG. 5 is a schematic flowchart of a method for state transition according to another embodiment of the present invention.
  • the same reference numerals are used in Fig. 5 as those in Fig. 4.
  • the method 400 may further include:
  • the method before the transition from the current RRC state to the target RRC state according to the state transition indication information, the method further includes:
  • the method 400 may further include:
  • the state transition indication information is carried on the bit.
  • the user equipment may receive reconfiguration signaling sent by the RNC, where the reconfiguration signaling carries information about the state transition indication information and the target RRC state.
  • the user equipment may receive the reconfiguration signaling or the broadcast message sent by the RNC, where the reconfiguration signaling or the broadcast message carries the state transition indication information, where the state transition indication information includes the target RRC. Status information.
  • the method 400 may further include:
  • FIG. 6 is a schematic flowchart of a method for state transition according to another embodiment of the present invention.
  • the method of Figure 6 can be implemented by the radio network controller of Figure 3.
  • the method 600 includes:
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the method 600 further includes:
  • the method 600 further includes:
  • the method 600 may further include:
  • the state transition indication information is carried on the bit.
  • the radio network controller may send reconfiguration signaling to the user equipment, where the reconfiguration signaling carries information of the state transition indication information and the target RRC state.
  • the radio network controller may send a reconfiguration signaling or a broadcast message to the user equipment, where the reconfiguration signaling or the broadcast message carries state transition indication information, where the state transition indication information includes Information of the target RRC status.
  • the method 600 may further include:
  • FIG. 7 is a schematic flowchart of a process of state transition according to an embodiment of the present invention. This process initiates a state transition by the RNC.
  • the RNC sends reconfiguration signaling to the UE.
  • the reconfiguration signaling carries the target RRC state and state transition indication information.
  • the state transition indication information can be carried on a bit.
  • the target RRC state may be CELL_PCH or URA_PCH.
  • the state transition indication information is used to instruct the UE to perform enhanced state transition.
  • the reconfiguration signaling may also include a target wireless network temporary identity RNTI.
  • the target RNTI may be at least one of a C-RNTI, an E-RNTI, and an H-RNTI.
  • the UE migrates from a current RRC state to a target RRC state.
  • the UE may migrate from the current RRC state to the target RRC state according to the received information of the target RRC state.
  • the UE may also update the current RNTI to the target RNTI.
  • the current RRC state may be the CELL_FACH state.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the embodiment of the present invention does not need to reply to the RNC with reconfiguration signaling, which saves signaling overhead.
  • FIG. 8 is a schematic flowchart of a process of state transition according to another embodiment of the present invention. This process initiates a state transition by the RNC.
  • the RNC sends reconfiguration signaling to the UE.
  • the reconfiguration signaling carries the target RRC state and state transition indication information.
  • the state transition indication information can be carried on a bit.
  • the target RRC state may be CELL_PCH or URA_PCH.
  • the state transition indication information is used to instruct the UE to perform enhanced state transition.
  • the reconfiguration signaling may also include a target wireless network temporary identity RNTI.
  • the target RNTI may be at least one of a C-RNTI, an E-RNTI, and an H-RNTI.
  • the UE sends an RLC ACK message to the RNC.
  • the UE migrates from a current RRC state to a target RRC state.
  • the UE may migrate from the current RRC state to the target RRC state according to the received information of the target RRC state.
  • the current RRC state may be the CELL_FACH state.
  • the UE may also update the current RNTI to the target RNTI.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the embodiment of the present invention does not need to reply to the RNC with reconfiguration signaling, which saves signaling overhead.
  • FIG. 9 is a schematic flowchart of a process of state transition according to another embodiment of the present invention. This process initiates a state transition by the UE.
  • the RNC sends a reconfiguration signaling or a broadcast message to the UE.
  • the reconfiguration signaling or broadcast message may include a plurality of bit indication bits, the multiple bit indication bits may represent the state transition indication information, and the multiple bit indication bits may be used to carry information of a target RRC state.
  • the state transition indication information is used to indicate that the user equipment performs state transition in the enhanced mode.
  • the reconfiguration signaling may also include a target wireless network temporary identity RNTI.
  • the target RNTI may be at least one of a C-RNTI, an E-RNTI, and an H-RNTI.
  • the UE sends SCRI information to the RNC.
  • the signaling connection release indication cause (English Signalling Connection Release Indication Cause) is set in the UE to request the PS data session end (English UE Requested PS Data Session end).
  • the UE migrates from the current RRC state to the target RRC state.
  • the UE may migrate from the current RRC state to the target RRC state according to the received information of the target RRC state.
  • the current RRC state may be the CELL_FACH state.
  • the UE may also update the current RNTI to the target RNTI.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the user equipment does not need to wait for the RNC to execute the instruction in the reconfiguration process, and can directly perform state transition.
  • FIG. 10 is a schematic flowchart of a process of state transition according to another embodiment of the present invention. This process initiates a state transition by the UE.
  • the RNC sends a reconfiguration signaling or a broadcast message to the UE.
  • the reconfiguration signaling or broadcast message may include a plurality of bit indication bits, the multiple bit indication bits may represent the state transition indication information, and the multiple bit indication bits may be used to carry information of a target RRC state.
  • the state transition indication information is used to indicate that the user equipment performs state transition in the enhanced mode.
  • the reconfiguration signaling may also include a target wireless network temporary identity RNTI.
  • the target RNTI may be at least one of a C-RNTI, an E-RNTI, and an H-RNTI.
  • the UE sends SCRI information to the RNC.
  • the SCRI information is sent to the RNC, and the UE is requested to request the end of the PS data session in the Signal Connection Connection Release Indication Cause (English Signalling Connection Connection Indication Cause) message (English UE Requested PS) Data Session end).
  • the UE if the UE does not receive the RCL ACK and receives the downlink data of the UE on the FACH, HS-SCCH, or HS-PDSCH channel, the UE reaches the maximum number of RLC retransmissions of the SCRI. Does not trigger the RLC reset process.
  • the UE does not receive the RCL ACK and does not receive the downlink data of the UE on the FACH, HS-SCCH, or HS-PDSCH channel, the maximum number of RLC retransmissions of the UE in the SCRI is reached. After that, the RLC reset process is triggered.
  • the UE receives the RLC ACK information sent by the RNC.
  • SCRI signaling can be transmitted in RLC AM mode on SRB2. After the sender sends a data packet, it needs to receive the RLC ACK sent by the receiver, and then considers that the packet is successfully sent.
  • the UE migrates from the current RRC state to the target RRC state.
  • the UE may migrate from the current RRC state to the target RRC state according to the received information of the target RRC state.
  • the current RRC state may be the CELL_FACH state.
  • the UE may also update the current RNTI to the target RNTI.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the user equipment does not need to wait for the RNC to execute the instruction in the reconfiguration process, and can directly perform state transition.
  • the user equipment 110 of FIG. 11 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
  • the user equipment 110 of FIG. 11 can be used to implement the steps and methods in the foregoing method embodiments.
  • the user equipment 110 of FIG. 11 includes a processor 111, a memory 112, a receiving circuit 113, and a transmitting circuit 114.
  • the processor 111, the memory 112, the receiving circuit 113, and the transmitting circuit 114 are connected by a bus system 119.
  • the user equipment 110 may also include an antenna 115 or the like.
  • the processor 111 controls the operation of the user device 110.
  • Memory 112 can include read only memory and random access memory and provides instructions and data to processor 111. A portion of the memory 112 may also include non-volatile line random access memory (NVRAM for short).
  • transmit circuitry 114 and receive circuitry 113 can be coupled to antenna 115.
  • the various components of user device 110 are coupled together by a bus system 119, which in addition to the data bus includes a power bus, a control bus, and a status signal bus. However, for clarity of description, various buses are labeled as bus system 119 in the figure.
  • the processor 111 may be an integrated circuit chip with signal processing capabilities.
  • the processor 111 described above may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit. (ASIC for short), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the processor 111 reads the information in the memory 112 and controls the various components of the user device 110 in conjunction with its hardware.
  • the user equipment 110 performs the following operations:
  • the current RRC state is migrated to the target RRC state.
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the enhanced state transition is a state transition performed in the enhanced mode
  • the processor 111 may directly migrate from the current RRC state to the target RRC when receiving the state transition indication information in the enhanced mode. status.
  • the transmitting circuit 114 may send the radio link control acknowledgement information to the RNC before the processor 111 migrates from the current RRC state to the target RRC state according to the state transition indication information.
  • the transmitting circuit 114 may send the signaling connection release indication cause to the user equipment request to the RNC before the processor 111 migrates from the current RRC state to the target RRC state according to the state transition indication information.
  • the signaling connection release indication information at the end of the packet switched data session.
  • the receiving circuit 113 may receive the radio link control acknowledgement information that is sent by the RNC according to the signaling connection release indication information.
  • the state transition indication information is carried on the bit.
  • the receiving circuit 113 may receive reconfiguration signaling sent by the RNC, where the reconfiguration signaling carries state transition indication information and information of a target RRC state.
  • the receiving circuit 113 may receive the reconfiguration signaling or the broadcast message sent by the RNC, where the reconfiguration signaling or the broadcast message carries the state transition indication information, where the state transition indication information includes the information of the target RRC state. .
  • the receiving circuit 113 may receive the target wireless network temporary identifier sent by the RNC, and the processor 111 may update the current wireless network temporary identifier to the target wireless network temporary identifier.
  • FIG. 12 is a schematic block diagram of a radio network controller in accordance with another embodiment of the present invention.
  • the radio network controller 120 of FIG. 12 can be used to implement the steps and methods in the foregoing method embodiments.
  • the radio network controller 120 of FIG. 12 includes a processor 121, a memory 122, a receiving circuit 123, and a transmitting circuit 124.
  • the processor 121, the memory 122, the receiving circuit 123, and the transmitting circuit 124 are connected by a bus system 129.
  • the radio network controller 120 may further include an antenna 125 and the like.
  • the processor 121 controls the operation of the radio network controller 120.
  • Memory 122 can include read only memory and random access memory and provides instructions and data to processor 121. A portion of the memory 122 may also include non-volatile line random access memory (NVRAM for short).
  • transmit circuitry 124 and receive circuitry 123 can be coupled to antenna 125.
  • the various components of the wireless network controller 120 are coupled together by a bus system 129, which in addition to the data bus includes a power bus, a control bus, and a status signal bus. However, for clarity of description, various buses are labeled as bus system 129 in the figure.
  • the processor 121 may be an integrated circuit chip with signal processing capabilities.
  • the processor 121 may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, a discrete gate or a transistor logic device. , separate hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the processor 121 reads the information in the memory 122 and controls the various components of the wireless network controller 120 in conjunction with its hardware.
  • the method of FIG. 6 can be implemented in the radio network controller 120 of FIG. 12, and will not be described in detail to avoid repetition.
  • the radio network controller 120 performs the following operations:
  • the state transition indication information and the target RRC state are used to indicate that the user equipment directly migrates from the current RRC state to the target RRC state in the enhanced mode.
  • the reconfiguration process or the reconfiguration process is not required to be performed, thereby avoiding large signaling consumption caused by multiple reconfiguration processes. Therefore, the signaling overhead required for state transition can be reduced.
  • the receiving circuit 123 may receive the radio link control acknowledgement information sent by the user equipment before transitioning from the current RRC state to the target RRC state.
  • the receiving circuit 123 may receive, after the user equipment migrates from the current RRC state to the target RRC state, set the signaling connection release indication cause to the user equipment requesting the end of the packet switched data session. Connection release indication information.
  • the transmitting circuit 124 may send the radio link control confirmation information to the user equipment according to the signaling connection release indication information.
  • the state transition indication information is carried on the bit.
  • the transmitting circuit 124 may send reconfiguration signaling to the user equipment, where the reconfiguration signaling carries information about the state transition indication information and the target RRC state.
  • the transmitting circuit 124 may send a reconfiguration signaling or a broadcast message to the user equipment, where the reconfiguration signaling or the broadcast message carries state transition indication information, where the state transition indication information includes information of a target RRC state. .
  • the transmitting circuit 124 may send the target wireless network temporary identifier to the user equipment.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this article is merely an association describing the associated object, indicating that there can be three types. Relationships, for example, A and/or B, may indicate that there are three cases where A exists separately, and both A and B exist, and B exists alone.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure.
  • connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave
  • coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the associated media.
  • a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

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Abstract

本发明公开了一种状态迁移的方法、用户设备和无线网络控制器，该用户设备包括：接收单元，用于接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；迁移单元，用于根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态。本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。

Description

状态迁移的方法、用户设备和无线网络控制器 技术领域
本发明涉及无线通信技术领域，具体地，涉及状态迁移的方法、用户设备和无线网络控制器。
背景技术
在通用移动通讯系统(英文Universal Mobile Telecommunications System，简称UMTS)中，用户设备(英文User Equipment，简称UE)的无线资源控制(英文Radio Resource Control，简称RRC)状态存在连接态和空闲态。在空闲态下，UE可以接收广播和寻呼，但与网络侧没有RRC连接。在连接态下，UE可以执行上、下行数据传输。其中，连接态分为：小区专用信道(英文Cell Dedicated Channel，简称CELL_DCH)状态、小区前向接入信道(英文Cell Forward Access Channel，简称CELL_FACH)状态、小区寻呼信道(英文Cell Paging Channel，简称CELL_PCH)状态和UMTS陆地无线接入网(英文UMTS Terrestrial Radio Access Network，简称UTRAN)注册区寻呼信道(英文UTRAN Registration Area Paging Channel，简称URA_PCH)状态。
随着智能手机的广泛使用以及小包业务的广泛普及，UMTS下的CELL_FACH状态、CELL_DCH状态的用户越来越多。对于网络侧而言，当UE有数据传输时，会配置UE到CELL_FACH状态或CELL_DCH状态，当UE的数据传输结束后，会将UE的状态迁移到CELL_PCH状态或URA_PCH状态以节省UE的电量开销。
目前，无线网络控制器(英文Radio Network Controller，简称RNC)通过RRC信令实现UE的状态迁移。该状态迁移的方法通过重配置过程来完成。但是，随着小包业务越来越多，状态迁移的频率越来越高。因此，重配置过程的增多导致信令开销增大。
发明内容
本发明实施例提供了一种状态迁移的方法、用户设备和无线网络控制器，能够降低信令开销。
第一方面，提供了一种用户设备，该用户设备包括：接收单元，用于接收无线网络控制器RNC发送的状态迁移指示信息和目标无线资源控制RRC状态的信息，该状态迁移指示信息用于指示用户设备进行增强状态迁移；迁移单元，用于根据该状态迁移指示信息，从当前RRC状态迁移到该目标RRC状态。
结合第一方面，在第一方面的第一种可能的实现方式中，该增强状态迁移为在增强模式下进行的状态迁移，在该增强模式下，该迁移单元，具体用于在该接收单元接收到该状态迁移指示信息时，直接从当前RRC状态迁移到该目标RRC状态。
结合第一方面或第一方面的第一种可能的实现方式，在第一方面的第二种可能的实现方式中，还包括：发送单元，用于在该迁移单元从当前RRC状态迁移到该目标RRC状态之前，向该RNC发送无线链路控制确认信息。
结合第一方面或第一方面的第一种可能的实现方式，在第一方面的第三种可能的实现方式中，还包括：发送单元，用于在该迁移单元从当前RRC状态迁移到该目标RRC状态之前，向该RNC发送将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
结合第一方面的第三种可能的实现方式，在第一方面的第四种可能的实现方式中，该接收单元，还用于接收该RNC根据该信令连接释放指示信息发送的无线链路控制确认信息。
结合第一方面或第一方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第一方面的第五种可能的实现方式中，该接收单元接收的该状态迁移指示信息在比特位上承载。
结合第一方面或第一方面的第一种至第五种可能的实现方式中的任一种可能的实现方式，在第一方面的第六种可能的实现方式中，该接收单元，具体用于接收该RNC发送的重配置信令，该重配置信令中携带该状态迁移指示信息和该目标RRC状态的信息。
结合第一方面或第一方面的第一种至第五种可能的实现方式中的任一种可能的实现方式，在第一方面的第七种可能的实现方式中，该接收单元，具体用于接收该RNC发送的重配置信令或广播消息，该重配置信令或该广播消息中携带该状态迁移指示信息，该状态迁移指示信息包括该目标RRC状态的信息。
结合第一方面或第一方面的第一种至第七种可能的实现方式中的任一种可能的实现方式，在第一方面的第八种可能的实现方式中，该接收单元，还用于接收该RNC发送的目标无线网络临时标识，其中，该用户设备还包括：更新单元，用于将当前无线网络临时标识更新为该目标无线网络临时标识。
第二方面，提供一种无线网络控制器，包括：生成单元，用于生成状态迁移指示信息和目标无线资源控制RRC状态的信息，该状态迁移指示信息用于指示用户设备进行增强状态迁移；发送单元，用于向该用户设备发送该状态迁移指示信息和该目标RRC状态的信息，以便于该用户设备根据该状态迁移指示信息从当前RRC状态迁移到该目标RRC状态。
结合第二方面，在第二方面的第一种可能的实现方式中，还包括：接收单元，用于接收该用户设备在从当前RRC状态迁移到该目标RRC状态之前发送的无线链路控制确认信息。
结合第二方面，在第二方面的第二种可能的实现方式中，还包括：接收单元，用于接收该用户设备在从当前RRC状态迁移到该目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
结合第二方面的第二种可能的实现方式，在第二方面的第三种可能的实现方式中，该发送单元，还用于根据该信令连接释放指示信息向该用户设备发送无线链路控制确认信息。
结合第二方面或第二方面的第一种至第三种可能的实现方式中的任一种可能的实现方式，在第二方面的第四种可能的实现方式中，该发送单元发送的该状态迁移指示信息在比特位上承载。
结合第二方面或第二方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第二方面的第五种可能的实现方式中，该发送单元，具体用于向该用户设备发送重配置信令，该重配置信令中携带该状态迁移指示信息和该目标RRC状态的信息。
结合第二方面或第二方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第二方面的第六种可能的实现方式中，该发送单元，具体用于向该用户设备发送重配置信令或广播消息，该重配置信令或该广播消息中携带该状态迁移指示信息，该状态迁移指示信息包括该目标RRC状 态的信息。
结合第二方面或第二方面的第一种至第六种可能的实现方式中的任一种可能的实现方式，在第二方面的第七种可能的实现方式中，该发送单元，还用于向该用户设备发送目标无线网络临时标识。
第三方面，提供一种状态迁移的方法，包括：接收无线网络控制器RNC发送的状态迁移指示信息和目标无线资源控制RRC状态的信息，该状态迁移指示信息用于指示用户设备进行增强状态迁移；根据该状态迁移指示信息，从当前RRC状态迁移到该目标RRC状态。
结合第三方面，在第三方面的第一种可能的实现方式中，该增强状态迁移为在增强模式下进行的状态迁移，该根据该状态迁移指示信息，从当前RRC状态迁移到该目标RRC状态，包括：在该增强模式下，在接收到该状态迁移指示信息时，直接从当前RRC状态迁移到该目标RRC状态。
结合第三方面或第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，在该根据该状态迁移指示信息，从当前RRC状态迁移到该目标RRC状态之前，还包括：向该RNC发送无线链路控制确认信息。
结合第三方面或第三方面的第一种可能的实现方式，在第三方面的第三种可能的实现方式中，在该根据该状态迁移指示信息，从当前RRC状态迁移到该目标RRC状态之前，还包括：向该RNC发送将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
结合第三方面的第三种可能的实现方式，在第三方面的第四种可能的实现方式中，还包括：接收该RNC根据该信令连接释放指示信息发送的无线链路控制确认信息。
结合第三方面或第三方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第三方面的第五种可能的实现方式中，该状态迁移指示信息在比特位上承载。
结合第三方面或第三方面的第一种至第五种可能的实现方式中的任一种可能的实现方式，在第三方面的第六种可能的实现方式中，该接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，包括：接收该RNC发送的重配置信令，该重配置信令中携带该状态迁移指示信息和该目标RRC状态的信息。
结合第三方面或第三方面的第一种至第五种可能的实现方式中的任一 种可能的实现方式，在第三方面的第七种可能的实现方式中，该接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，包括：接收该RNC发送的重配置信令或广播消息，该重配置信令或该广播消息中携带该状态迁移指示信息，该状态迁移指示信息包括该目标RRC状态的信息。
结合第三方面或第三方面的第一种至第七种可能的实现方式中的任一种可能的实现方式，在第三方面的第八种可能的实现方式中，还包括：接收该RNC发送的目标无线网络临时标识；将当前无线网络临时标识更新为该目标无线网络临时标识。
第四方面，提供一种状态迁移的方法，包括：生成状态迁移指示信息和目标无线资源控制RRC状态的信息，该状态迁移指示信息用于指示用户设备进行增强状态迁移；向该用户设备发送该状态迁移指示信息和该目标RRC状态的信息，以便于该用户设备根据该状态迁移指示信息从当前RRC状态迁移到该目标RRC状态。
结合第四方面，在第四方面的第一种可能的实现方式中，还包括：接收该用户设备在从当前RRC状态迁移到该目标RRC状态之前发送的无线链路控制确认信息。
结合第四方面，在第四方面的第二种可能的实现方式中，还包括：接收该用户设备在从当前RRC状态迁移到该目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
结合第四方面的第二种可能的实现方式，在第四方面的第三种可能的实现方式中，还包括：根据该信令连接释放指示信息向该用户设备发送无线链路控制确认信息。
结合第四方面或第四方面的第一种至第三种可能的实现方式中的任一种可能的实现方式，在第四方面的第四种可能的实现方式中，该状态迁移指示信息在比特位上承载。
结合第四方面或第四方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第四方面的第五种可能的实现方式中，该向该用户设备发送该状态迁移指示信息和该目标RRC状态的信息，包括：向该用户设备发送重配置信令，该重配置信令中携带该状态迁移指示信息和该目标RRC状态的信息。
结合第四方面或第四方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第四方面的第六种可能的实现方式中，该向该用户设备发送该状态迁移指示信息和该目标RRC状态的信息，包括：向该用户设备发送重配置信令或广播消息，该重配置信令或该广播消息中携带该状态迁移指示信息，该状态迁移指示信息包括该目标RRC状态的信息。
结合第四方面或第四方面的第一种至第六种可能的实现方式中的任一种可能的实现方式，在第四方面的第七种可能的实现方式中，还包括：向该用户设备发送目标无线网络临时标识。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述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是本发明一个实施例的用户设备的示意框图。
图2是本发明另一实施例的用户设备的示意框图。
图3是本发明一个实施例的无线网络控制器的示意框图。
图4是本发明一个实施例的状态迁移的方法的示意性流程图。
图5是本发明另一实施例的状态迁移的方法的示意性流程图。
图6是本发明另一实施例的状态迁移的方法的示意性流程图。
图7是本发明一个实施例的状态迁移的过程的示意性流程图。
图8是本发明另一实施例的状态迁移的过程的示意性流程图。
图9是本发明另一实施例的状态迁移的过程的示意性流程图。
图10是本发明另一实施例的状态迁移的过程的示意性流程图。
图11是本发明另一实施例的用户设备的示意框图。
图12是本发明另一实施例的无线网络控制器的示意框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
应理解，本发明实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(简称GSM，英文Global System of Mobile communication)系统、码分多址(简称CDMA，英文Code Division Multiple Access)系统、宽带码分多址(简称WCDMA，英文Wideband Code Division Multiple Access)系统、通用分组无线业务(简称GPRS，英文General Packet Radio Service)、长期演进(简称LTE，英文Long Term Evolution)系统、LTE频分双工(简称FDD，英文Frequency Division Duplex)系统、LTE时分双工(简称TDD，英文Time Division Duplex)、通用移动通信系统(简称UMTS，英文Universal Mobile Telecommunication System)或全球互联微波接入(简称WiMAX，英文Worldwide Interoperability for Microwave Access)通信系统等。
用户设备(简称UE，英文User Equipment)，也可称之为移动终端(简称MT，英文Mobile Terminal)、移动用户设备等，可以经无线接入网(例如，简称RAN，英文Radio Access Network)与一个或多个核心网进行通信，用户设备可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置。
用户设备的状态迁移主要通过重配置过程来完成。该状态迁移的过程可以由网络侧发起，例如无线网络控制器RNC，也可以由UE主动发起。
当状态迁移过程由RNC发起时，以CELL_DCH到CELL_FACH的状态迁移为例，重配置过程可以如下：
RNC向UE发送物理信道重配置信令，指示UE发生状态迁移的目标RRC状态为CELL_FACH；
UE接收到该物理信道重配置信令后，向RNC回复物理信道重配置信令；
UE将状态从CELL_DCH迁移到CELL_FACH。
当状态迁移过程由UE发起时，以CELL_DCH到CELL_FACH的状态 迁移为例，状态迁移过程可以如下：
UE在应用层检测到没有分组交换(英文Packet Switch，简称PS)数据时，向RNC发送信令连接释放指示(英文Signalling Connection Release Indication，简称SCRI)，且在信令连接释放指示原因(英文Signalling Connection Release Indication Cause)信元中设置为UE请求PS数据会话结束(英文UE Requested PS Data Session end)；
RNC接收到UE发送的SCRI后，重复上述重配置过程完成对UE的状态迁移。为避免重复，此处不再详细描述。
图1是本发明一个实施例的用户设备的示意框图。用户设备10包括接收单元11和迁移单元12，其中，
接收单元11接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；
迁移单元12根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
应理解，UE的RRC状态可以从CELL_DCH状态或CELL_FACH状态迁移到CELL_PCH状态或URA_PCH状态。具体地，本发明实施例中可以适用于UE从CELL_CELL_FACH状态迁移到CELL_PCH状态，或者从CELL_FACH状态迁移到URA_PCH状态。
还应理解，在接收状态迁移指示信息之前，UE可以向RNC上报增强状态迁移能力。具体地，UE可以向RNC发送携带信元的上行RRC信令。上行RRC信令中携带该信元表示UE可以接收该状态迁移指示信息并根据该状态迁移指示信息进行状态迁移。
若由RNC发起状态迁移时，对增强状态迁移的描述可以如下文。
可选地，作为另一实施例，接收单元11可以接收RNC发送的重配置信令，重配置信令中携带状态迁移指示信息和目标RRC状态的信息。
可选地，作为另一实施例，接收单元11接收的状态迁移指示信息可以 在比特位上承载。
具体地，若状态迁移指示信息为比特位，该状态迁移指示信息指示迁移单元12执行该增强迁移过程。应理解，状态迁移指示信息可以用比特表示。例如，若比特为1时，UE可以在接收到重配置信令后进行状态迁移。应理解，对于状态迁移指示信息的具体格式，本发明并不限于此。
增强状态迁移表示在增强模式下进行的状态迁移。状态迁移指示信息用于指示用户设备在增强模式下从当前RRC状态迁移到目标RRC状态。
可选地，作为另一实施例，增强状态迁移为在增强模式下进行的状态迁移，在增强模式下，迁移单元12可以在接收单元11接收到状态迁移指示信息时，直接从当前RRC状态迁移到目标RRC状态。
可选地，作为另一实施例，接收单元11可以接收RNC发送的重配置信令或广播消息，重配置信令或广播消息中携带状态迁移指示信息，状态迁移指示信息包括目标RRC状态的信息。
具体地，重配置信令或广播消息可以包括多个比特指示位，该多个比特指示位可以表示该状态迁移指示信息，该多个比特指示位可以用来承载目标RRC状态的信息。
图2是本发明另一实施例的用户设备的示意框图。图2中与图1中的装置相同的部分使用相同的标号，可选地，作为另一实施例，用户设备10还可以包括：
发送单元13在迁移单元从当前RRC状态迁移到目标RRC状态之前，向RNC发送无线链路控制确认信息。
具体地，当UE接收到状态迁移指示信息和目标RRC状态的信息后，在从当前RRC状态迁移到目标RRC状态之前，发送单元13可以向RNC发送无线链路控制确认(英文Radio Link Control Acknowledge，简称RLC ACK)信息。此时，迁移单元12可以直接根据状态迁移指示信息和目标RRC状态，将当前RRC状态迁移到目标RRC状态。该目标RRC状态可以为CELL_PCH状态或URA_PCH状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁 移时所需的信令开销。
另外，本发明实施例在接收RNC发送的重配置信令之后，不需要向RNC回复重配置信令，节省了信令开销。
若由UE主动发起状态迁移时，对增强状态迁移的描述可以如下文。
可选地，作为另一实施例，发送单元13可以在迁移单元从当前RRC状态迁移到目标RRC状态之前，向RNC发送将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
接收单元11接收的目标RRC状态的信息可以暂存在UE中，待UE向RNC发送信令释放指示(英文Signalling Connection Release Indication，简称SCRI)信息之后，迁移单元12可以从当前RRC状态迁移到目标RRC状态。
应理解，UE在应用层检测到没有PS数据时，发送单元13向RNC发送SCRI，且在信令连接释放指示原因(英文Signalling Connection Release Indication Cause)信元中设置为UE请求PS数据会话结束(英文UE Requested PS Data Session end)。
当发送单元13向RNC发送信令连接释放指示SCRI信令后，作为一个实施例，迁移单元12可以直接根据状态迁移指示信息中的目标RRC状态，从当前RRC状态迁移到目标RRC状态。该目标RRC状态可以为CELL_PCH状态或URA_PCH状态。
可选地，作为另一实施例，接收单元11还接收RNC根据信令连接释放指示信息发送的无线链路控制确认RLC ACK信息。
具体地，当发送单元13向RNC发送信令连接释放指示SCRI信令后，若接收单元11接收到RNC发送的RLC ACK，直接从当前RRC状态迁移到目标RRC状态。
应理解，SCRI信令可以在无线信令承载2(英文Signalling Radio Bearer2，简称SRB2)上采用无线链路控制确认模式(英文Radio Link Control Acknowledge Mode，简称RLC AM)发送。当发送端发送数据包后，需要接收到接收端发送的RLC ACK后，认为该数据包发送成功。
可选地，作为另一实施例，接收单元11还可以接收RNC发送的目标无线网络临时标识，其中，用户设备10还可以包括：
更新单元14将当前无线网络临时标识更新为目标无线网络临时标识。
应理解，无线网络临时标识(英文Radio Network Temporary Identifier， 简称RNTI)可以为小区无线网络临时标识(英文Cell Radio Network Temporary Identifier，简称C-RNTI)、增强专用信道的无线网络临时标识(英文Enhanced Dedicated Channel Radio Network Temporary Identifier，简称E-RNTI)和高速下行共享信道的无线网络临时标识(英文High Speed Downlink Shared Channel Radio Network Temporary Identifier，简称H-RNTI)中的至少一个。
具体地，若接收单元11接收到目标无线网络临时标识，则更新单元14将当前无线网络临时标识更新为该目标网络临时标识。应理解，若接收单元11没有接收到目标无线网络临时标识，则保持当前无线网络临时标识不变。
可选地，作为另一实施例，若UE没有收到RCL ACK且在FACH、高速共享控制信道(英文High Speed Shared Control Channel，简称HS-SCCH)或高速物理下行共享信道(英文High Speed Physical Downlink Shared Channel，简称HS-PDSCH)上收到UE的下行数据时，则UE在达到SCRI的RLC最大重传次数后，不触发RLC reset过程。
可选地，作为另一实施例，若UE没有收到RCL ACK且在FACH、HS-SCCH或HS-PDSCH信道上没有收到UE的下行数据时，则UE在达到SCRI的RLC最大重传次数后，触发RLC reset过程。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例中用户设备不需要等待RNC在重配置过程中的指令，能够直接进行状态迁移。
图3是本发明一个实施例的无线网络控制器的示意框图。图3中的无线网络控制器可以与图1或图2中的用户设备交互。如图3所示，无线网络控制器30包括生成单元31和发送单元32，其中，
生成单元31生成状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；
发送单元32向用户设备发送状态迁移指示信息和目标RRC状态的信息，以便于用户设备根据状态迁移指示信息从当前RRC状态迁移到目标 RRC状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
应理解，UE的RRC状态可以从CELL_DCH状态或CELL_FACH状态迁移到CELL_PCH状态或URA_PCH状态。具体地，本发明实施例中可以适用于UE从CELL_CELL_FACH状态迁移到CELL_PCH状态，或者从CELL_FACH状态迁移到URA_PCH状态。
应理解，无线网络控制器可以获取UE上报的状态迁移能力。具体地，UE可以向RNC发送在携带信元的上行RRC信令。上行RRC信令中携带该信元表示UE可以接收该状态迁移指示信息并根据该状态迁移指示信息进行状态迁移。
若由RNC发起状态迁移时，对增强状态迁移的描述可以如下文。
可选地，作为另一实施例，发送单元32可以向用户设备发送重配置信令，重配置信令中携带状态迁移指示信息和目标RRC状态的信息。
可选地，作为另一实施例，发送单元32发送的状态迁移指示信息在比特位上承载。
具体地，若状态迁移指示信息为比特位，该状态迁移指示信息指示用户设备执行该增强迁移过程。应理解，状态迁移指示信息可以用比特表示。例如，若比特为1时，UE可以在接收到重配置信令后进行状态迁移。应理解，对于状态迁移指示信息的具体格式，本发明并不限于此。
增强状态迁移表示在增强模式下进行的状态迁移。状态迁移指示信息用于指示用户设备在增强模式下从当前RRC状态迁移到目标RRC状态。
可选地，作为另一实施例，发送单元32可以向用户设备发送重配置信令或广播消息，重配置信令或广播消息中携带状态迁移指示信息，状态迁移指示信息包括目标RRC状态的信息。
具体地，重配置信令或广播消息可以包括多个比特指示位，该多个比特指示位可以表示该状态迁移指示信息，该多个比特指示位可以用来承载目标RRC状态的信息。
可选地，作为另一实施例，无线网络控制器30还可以包括：
接收单元33接收用户设备在从当前RRC状态迁移到目标RRC状态之前发送的无线链路控制确认信息。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例在接收RNC发送的重配置信令之后，不需要向RNC回复重配置信令，节省了信令开销。
若由UE主动发起状态迁移时，对增强状态迁移的描述可以如下文。
可选地，作为另一实施例，接收单元33可以接收用户设备在从当前RRC状态迁移到目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
发送单元32发送的目标RRC状态的信息可以暂存在UE中。当UE向RNC发送信令释放指示SCRI信息之后，可以从当前RRC状态迁移到目标RRC状态。
应理解，UE在应用层检测到没有PS数据时，用户设备向RNC发送SCRI，且在信令连接释放指示原因(英文Signalling Connection Release Indication Cause)信元中设置为UE请求PS数据会话结束(英文UE Requested PS Data Session end)。
可选地，作为另一实施例，发送单元32还可以根据信令连接释放指示信息向用户设备发送无线链路控制确认信息。
应理解，SCRI信令可以在SRB2上采用RLC AM模式发送。当发送端发送数据包后，需要接收到接收端发送的RLC ACK后，认为该数据包发送成功。
可选地，作为另一实施例，发送单元32还可以向用户设备发送目标无线网络临时标识。
应理解，无线网络临时标识RNTI可以为C-RNTI、E-RNTI和H-RNTI中的至少一个。
具体地，若发送单元32发送目标无线网络临时标识，则UE将当前无 线网络临时标识更新为该目标网络临时标识。应理解，若发送单元32没有发送目标无线网络临时标识，则UE保持当前无线网络临时标识不变。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例中用户设备不需要等待RNC在重配置过程中的指令，能够直接进行状态迁移。
图4是本发明一个实施例的状态迁移的方法的示意性流程图。图4所示的方法可以由图1或图2的用户设备来实现。为避免重复，此处不再详细描述。该方法400包括：
401，接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；
402，根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
可选地，作为另一实施例，增强状态迁移为在增强模式下进行的状态迁移，在402中，用户设备可以在增强模式下，在接收到状态迁移指示信息时，直接从当前RRC状态迁移到目标RRC状态。
图5是本发明另一实施例的状态迁移的方法的示意性流程图。图5中与图4的步骤相同的采用相同的编号。
可选地，作为另一实施例，在根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态之前，方法400还可以包括：
403，向RNC发送无线链路控制确认信息。
可选地，作为另一实施例，在根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态之前，还包括：
404，向RNC发送将信令连接释放指示原因设置为用户设备请求分组交 换数据会话结束的信令连接释放指示信息。
可选地，作为另一实施例，方法400还可以包括：
405，接收RNC根据信令连接释放指示信息发送的无线链路控制确认信息。
可选地，作为另一实施例，状态迁移指示信息在比特位上承载。
可选地，作为另一实施例，在401中，用户设备可以接收RNC发送的重配置信令，重配置信令中携带状态迁移指示信息和目标RRC状态的信息。
可选地，作为另一实施例，在401中，用户设备可以接收RNC发送的重配置信令或广播消息，重配置信令或广播消息中携带状态迁移指示信息，状态迁移指示信息包括目标RRC状态的信息。
可选地，作为另一实施例，方法400还可以包括：
406，接收RNC发送的目标无线网络临时标识；
407，将当前无线网络临时标识更新为目标无线网络临时标识。
图6是本发明另一实施例的状态迁移的方法的示意性流程图。图6的方法可以由图3中的无线网络控制器实现。该方法600包括：
601，生成状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；
602，向用户设备发送状态迁移指示信息和目标RRC状态的信息，以便于用户设备根据状态迁移指示信息从当前RRC状态迁移到目标RRC状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
可选地，作为另一实施例，方法600还包括：
603，接收用户设备在从当前RRC状态迁移到目标RRC状态之前发送的无线链路控制确认信息。
可选地，作为另一实施例，方法600还包括：
604，接收用户设备在从当前RRC状态迁移到目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
可选地，作为另一实施例，方法600还可以包括：
605，根据信令连接释放指示信息向用户设备发送无线链路控制确认信息。
可选地，作为另一实施例，状态迁移指示信息在比特位上承载。
可选地，作为另一实施例，在601中，无线网络控制器可以向用户设备发送重配置信令，重配置信令中携带状态迁移指示信息和目标RRC状态的信息。
可选地，作为另一实施例，在601中，无线网络控制器可以向用户设备发送重配置信令或广播消息，重配置信令或广播消息中携带状态迁移指示信息，状态迁移指示信息包括目标RRC状态的信息。
可选地，作为另一实施例，方法600还可以包括：
606，向用户设备发送目标无线网络临时标识。
图7是本发明一个实施例的状态迁移的过程的示意性流程图。该过程由RNC发起状态迁移。
701，RNC向UE发送重配置信令。
该重配置信令携带目标RRC状态和状态迁移指示信息。该状态迁移指示信息可以在比特位上承载。该目标RRC状态可以为CELL_PCH或URA_PCH。状态迁移指示信息用于指示UE执行增强状态迁移。
该重配置信令还可以包括目标无线网络临时标识RNTI。目标RNTI可以为C-RNTI、E-RNTI和H-RNTI中的至少一个。
702，UE从当前RRC状态迁移到目标RRC状态。
UE可以根据接收的目标RRC状态的信息，从当前RRC状态迁移到目标RRC状态。UE还可以将当前RNTI更新为目标RNTI。当前RRC状态可以为CELL_FACH状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例在接收RNC发送的重配置信令之后，不需要向RNC回复重配置信令，节省了信令开销。
图8是本发明另一实施例的状态迁移的过程的示意性流程图。该过程由RNC发起状态迁移。
801，RNC向UE发送重配置信令。
该重配置信令携带目标RRC状态和状态迁移指示信息。该状态迁移指示信息可以在比特位上承载。该目标RRC状态可以为CELL_PCH或URA_PCH。状态迁移指示信息用于指示UE执行增强状态迁移。
该重配置信令还可以包括目标无线网络临时标识RNTI。目标RNTI可以为C-RNTI、E-RNTI和H-RNTI中的至少一个。
802，UE向RNC发送RLC ACK信息。
803，UE从当前RRC状态迁移到目标RRC状态。
UE可以根据接收的目标RRC状态的信息，从当前RRC状态迁移到目标RRC状态。当前RRC状态可以为CELL_FACH状态。UE还可以将当前RNTI更新为目标RNTI。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例在接收RNC发送的重配置信令之后，不需要向RNC回复重配置信令，节省了信令开销。
图9是本发明另一实施例的状态迁移的过程的示意性流程图。该过程由UE发起状态迁移。
901，RNC向UE发送重配置信令或广播消息。
具体地，重配置信令或广播消息可以包括多个比特指示位，该多个比特指示位可以表示该状态迁移指示信息，该多个比特指示位可以用来承载目标RRC状态的信息。该状态迁移指示信息用于指示用户设备在增强模式下进行状态迁移。
该重配置信令还可以包括目标无线网络临时标识RNTI。目标RNTI可以为C-RNTI、E-RNTI和H-RNTI中的至少一个。
902，UE向RNC发送SCRI信息。
当UE在应用层检测到没有PS数据时，向RNC发送SCRI信息，且在 信令连接释放指示原因(英文Signalling Connection Release Indication Cause)信元中设置为UE请求PS数据会话结束(英文UE Requested PS Data Session end)。
903，UE从当前RRC状态迁移到目标RRC状态。
UE可以根据接收的目标RRC状态的信息，从当前RRC状态迁移到目标RRC状态。当前RRC状态可以为CELL_FACH状态。UE还可以将当前RNTI更新为目标RNTI。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例中用户设备不需要等待RNC在重配置过程中的指令，能够直接进行状态迁移。
图10是本发明另一实施例的状态迁移的过程的示意性流程图。该过程由UE发起状态迁移。
101，RNC向UE发送重配置信令或广播消息。
具体地，重配置信令或广播消息可以包括多个比特指示位，该多个比特指示位可以表示该状态迁移指示信息，该多个比特指示位可以用来承载目标RRC状态的信息。该状态迁移指示信息用于指示用户设备在增强模式下进行状态迁移。
该重配置信令还可以包括目标无线网络临时标识RNTI。目标RNTI可以为C-RNTI、E-RNTI和H-RNTI中的至少一个。
102，UE向RNC发送SCRI信息。
当UE在应用层检测到没有PS数据时，向RNC发送SCRI信息，且在信令连接释放指示原因(英文Signalling Connection Release Indication Cause)信元中设置为UE请求PS数据会话结束(英文UE Requested PS Data Session end)。
可选地，作为另一实施例，若UE没有收到RCL ACK且在FACH、HS-SCCH或HS-PDSCH信道上收到UE的下行数据时，则UE在达到SCRI的RLC最大重传次数后，不触发RLC reset过程。
可选地，作为另一实施例，若UE没有收到RCL ACK且在FACH、HS-SCCH或HS-PDSCH信道上没有收到UE的下行数据时，则UE在达到SCRI的RLC最大重传次数后，触发RLC reset过程。
103，UE接收RNC发送的RLC ACK信息。
应理解，SCRI信令可以在SRB2上采用RLC AM模式发送。当发送端发送数据包后，需要接收到接收端发送的RLC ACK后，认为该数据包发送成功。
104，UE从当前RRC状态迁移到目标RRC状态。
UE可以根据接收的目标RRC状态的信息，从当前RRC状态迁移到目标RRC状态。当前RRC状态可以为CELL_FACH状态。UE还可以将当前RNTI更新为目标RNTI。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
另外，本发明实施例中用户设备不需要等待RNC在重配置过程中的指令，能够直接进行状态迁移。
图11是本发明另一实施例的用户设备的示意框图。图11的用户设备110可用于实现上述方法实施例中个步骤及方法。图11的用户设备110包括处理器111、存储器112、接收电路113和发射电路114。处理器111、存储器112、接收电路113和发射电路114通过总线系统119连接。
此外，用户设备110还可以包括天线115等。处理器111控制用户设备110的操作。存储器112可以包括只读存储器和随机存取存储器，并向处理器111提供指令和数据。存储器112的一部分还可以包括非易失行随机存取存储器(简称NVRAM)。具体的应用中，发射电路114和接收电路113可以耦合到天线115。用户设备110的各个组件通过总线系统119耦合在一起，其中总线系统119除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图中将各种总线都标为总线系统119。
处理器111可能是一种集成电路芯片，具有信号的处理能力。上述的处理器111可以是通用处理器、数字信号处理器(简称DSP)、专用集成电路 (简称ASIC)、现成可编程门阵列(简称FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。处理器111读取存储器112中的信息，结合其硬件控制用户设备110的各个部件。
图4和图5的方法可以在图11的用户设备110中实现，为避免重复，不再详细描述。
具体地，在处理器111的控制之下，用户设备110完成以下操作：
接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；
根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
可选地，作为另一实施例，增强状态迁移为在增强模式下进行的状态迁移，处理器111可以在增强模式下，在接收到状态迁移指示信息时，直接从当前RRC状态迁移到目标RRC状态。
可选地，作为另一实施例，发射电路114可以在处理器111根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态之前，向RNC发送无线链路控制确认信息。
可选地，作为另一实施例，发射电路114可以在处理器111根据状态迁移指示信息，从当前RRC状态迁移到目标RRC状态之前，向RNC发送将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
可选地，作为另一实施例，接收电路113可以接收RNC根据信令连接释放指示信息发送的无线链路控制确认信息。
可选地，作为另一实施例，状态迁移指示信息在比特位上承载。
可选地，作为另一实施例，接收电路113可以接收RNC发送的重配置信令，重配置信令中携带状态迁移指示信息和目标RRC状态的信息。
可选地，作为另一实施例，接收电路113可以接收RNC发送的重配置信令或广播消息，重配置信令或广播消息中携带状态迁移指示信息，状态迁移指示信息包括目标RRC状态的信息。
可选地，作为另一实施例，接收电路113可以接收RNC发送的目标无线网络临时标识，处理器111可以将当前无线网络临时标识更新为目标无线网络临时标识。
图12是本发明另一实施例的无线网络控制器的示意框图。图12的无线网络控制器120可用于实现上述方法实施例中个步骤及方法。图12的无线网络控制器120包括处理器121、存储器122、接收电路123和发射电路124。处理器121、存储器122、接收电路123和发射电路124通过总线系统129连接。
此外，无线网络控制器120还可以包括天线125等。处理器121控制无线网络控制器120的操作。存储器122可以包括只读存储器和随机存取存储器，并向处理器121提供指令和数据。存储器122的一部分还可以包括非易失行随机存取存储器(简称NVRAM)。具体的应用中，发射电路124和接收电路123可以耦合到天线125。无线网络控制器120的各个组件通过总线系统129耦合在一起，其中总线系统129除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图中将各种总线都标为总线系统129。
处理器121可能是一种集成电路芯片，具有信号的处理能力。上述的处理器121可以是通用处理器、数字信号处理器(简称DSP)、专用集成电路(简称ASIC)、现成可编程门阵列(简称FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。处理器121读取存储器122中的信息，结合其硬件控制无线网络控制器120的各个部件。
图6的方法可以在图12的无线网络控制器120中实现，为避免重复，不再详细描述。
具体地，在处理器121的控制之下，无线网络控制器120完成以下操作：
生成状态迁移指示信息和目标RRC状态的信息，状态迁移指示信息用于指示用户设备进行增强状态迁移；
向用户设备发送状态迁移指示信息和目标RRC状态的信息，以便于用户设备根据状态迁移指示信息从当前RRC状态迁移到目标RRC状态。
本发明实施例中利用状态迁移指示信息和目标RRC状态，指示用户设备在增强模式下从当前RRC状态直接迁移到目标RRC状态。本发明实施例中用户设备进行增强状态迁移时，不需要通过重配置过程或优化重配置过程，从而避免多次重配置过程带来的较大信令消耗。因此，能够降低状态迁移时所需的信令开销。
可选地，作为另一实施例，接收电路123可以接收用户设备在从当前RRC状态迁移到目标RRC状态之前发送的无线链路控制确认信息。
可选地，作为另一实施例，接收电路123可以接收用户设备在从当前RRC状态迁移到目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
可选地，作为另一实施例，发射电路124可以根据信令连接释放指示信息向用户设备发送无线链路控制确认信息。
可选地，作为另一实施例，状态迁移指示信息在比特位上承载。
可选地，作为另一实施例，发射电路124可以向用户设备发送重配置信令，重配置信令中携带状态迁移指示信息和目标RRC状态的信息。
可选地，作为另一实施例，发射电路124可以向用户设备发送重配置信令或广播消息，重配置信令或广播消息中携带状态迁移指示信息，状态迁移指示信息包括目标RRC状态的信息。
可选地，作为另一实施例，发射电路124可以向用户设备发送目标无线网络临时标识。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本发明的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。在本发明的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
另外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种 关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口、装置或单元的间接耦合或通信连接，也可以是电的，机械的或其它的形式连接。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本发明实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
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以用硬件实现，或固件实现，或它们的组合方式来实现。当使用软件实现时，可以将上述功能存储在计算机可读介质中或作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是计算机能够存取的任何可用介质。以此为例但不限于：计算机可读介质可以包括RAM、ROM、EEPROM、CD-ROM或其他光盘存储、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质。此外。任何连接可以适当的成为计算机可读介质。例如，如果软件是使用同轴电缆、光纤光缆、双绞线、数字用户线(DSL)或者诸如红外线、无线电和微波之类的无线技术从网站、服务器或者其他远程源传输的，那么同轴电缆、光纤光缆、双绞线、DSL或者诸如红外线、无线和微波之类的无线技术包括在所属介质的定影中。如本发明所使用的，盘(Disk)和碟(disc)包括压缩光碟(CD)、激光碟、光碟、数字通用光碟(DVD)、软盘和蓝光光碟，其中盘通常磁性的复制数据，而碟则用激光来光学的复制数据。上面的组合也应当包括在计算机可读介质的保护范围之内。
总之，以上所述仅为本发明技术方案的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (34)

  1. 一种用户设备，其特征在于，包括：
    接收单元，用于接收无线网络控制器RNC发送的状态迁移指示信息和目标无线资源控制RRC状态的信息，所述状态迁移指示信息用于指示用户设备进行增强状态迁移；
    迁移单元，用于根据所述状态迁移指示信息，从当前RRC状态迁移到所述目标RRC状态。
  2. 根据权利要求1所述的用户设备，其特征在于，所述增强状态迁移为在增强模式下进行的状态迁移，在所述增强模式下，所述迁移单元，具体用于在所述接收单元接收到所述状态迁移指示信息时，直接从当前RRC状态迁移到所述目标RRC状态。
  3. 根据权利要求1或2所述的用户设备，其特征在于，还包括：
    发送单元，用于在所述迁移单元从当前RRC状态迁移到所述目标RRC状态之前，向所述RNC发送无线链路控制确认信息。
  4. 根据权利要求1或2所述的用户设备，其特征在于，还包括：
    发送单元，用于在所述迁移单元从当前RRC状态迁移到所述目标RRC状态之前，向所述RNC发送将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
  5. 根据权利要求4所述的用户设备，其特征在于，所述接收单元，还用于接收所述RNC根据所述信令连接释放指示信息发送的无线链路控制确认信息。
  6. 根据权利要求1-5中任一项所述的用户设备，其特征在于，所述接收单元接收的所述状态迁移指示信息在比特位上承载。
  7. 根据权利要求1-6中任一项所述的用户设备，其特征在于，所述接收单元，具体用于接收所述RNC发送的重配置信令，所述重配置信令中携带所述状态迁移指示信息和所述目标RRC状态的信息。
  8. 根据权利要求1-6中任一项所述的用户设备，其特征在于，所述接收单元，具体用于接收所述RNC发送的重配置信令或广播消息，所述重配置信令或所述广播消息中携带所述状态迁移指示信息，所述状态迁移指示信息包括所述目标RRC状态的信息。
  9. 根据权利要求1-8中任一项所述的用户设备，其特征在于，所述接 收单元，还用于接收所述RNC发送的目标无线网络临时标识，其中，所述用户设备还包括：
    更新单元，用于将当前无线网络临时标识更新为所述目标无线网络临时标识。
  10. 一种无线网络控制器，其特征在于，包括：
    生成单元，用于生成状态迁移指示信息和目标无线资源控制RRC状态的信息，所述状态迁移指示信息用于指示用户设备进行增强状态迁移；
    发送单元，用于向所述用户设备发送所述状态迁移指示信息和所述目标RRC状态的信息，以便于所述用户设备根据所述状态迁移指示信息从当前RRC状态迁移到所述目标RRC状态。
  11. 根据权利要求10所述的无线网络控制器，其特征在于，还包括：
    接收单元，用于接收所述用户设备在从当前RRC状态迁移到所述目标RRC状态之前发送的无线链路控制确认信息。
  12. 根据权利要求10所述的无线网络控制器，其特征在于，还包括：
    接收单元，用于接收所述用户设备在从当前RRC状态迁移到所述目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
  13. 根据权利要求12所述的无线网络控制器，其特征在于，所述发送单元，还用于根据所述信令连接释放指示信息向所述用户设备发送无线链路控制确认信息。
  14. 根据权利要求10-13中任一项所述的无线网络控制器，其特征在于，所述发送单元发送的所述状态迁移指示信息在比特位上承载。
  15. 根据权利要求10-14中任一项所述的无线网络控制器，其特征在于，所述发送单元，具体用于向所述用户设备发送重配置信令，所述重配置信令中携带所述状态迁移指示信息和所述目标RRC状态的信息。
  16. 根据权利要求10-14中任一项所述的无线网络控制器，其特征在于，所述发送单元，具体用于向所述用户设备发送重配置信令或广播消息，所述重配置信令或所述广播消息中携带所述状态迁移指示信息，所述状态迁移指示信息包括所述目标RRC状态的信息。
  17. 根据权利要求10-16中任一项所述的无线网络控制器，其特征在于，所述发送单元，还用于向所述用户设备发送目标无线网络临时标识。
  18. 一种状态迁移的方法，其特征在于，包括：
    接收无线网络控制器RNC发送的状态迁移指示信息和目标无线资源控制RRC状态的信息，所述状态迁移指示信息用于指示用户设备进行增强状态迁移；
    根据所述状态迁移指示信息，从当前RRC状态迁移到所述目标RRC状态。
  19. 根据权利要求18所述的方法，其特征在于，所述增强状态迁移为在增强模式下进行的状态迁移，所述根据所述状态迁移指示信息，从当前RRC状态迁移到所述目标RRC状态，包括：
    在所述增强模式下，在接收到所述状态迁移指示信息时，直接从当前RRC状态迁移到所述目标RRC状态。
  20. 根据权利要求18或19所述的方法，其特征在于，在所述根据所述状态迁移指示信息，从当前RRC状态迁移到所述目标RRC状态之前，还包括：
    向所述RNC发送无线链路控制确认信息。
  21. 根据权利要求18或19所述的方法，其特征在于，在所述根据所述状态迁移指示信息，从当前RRC状态迁移到所述目标RRC状态之前，还包括：
    向所述RNC发送将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
  22. 根据权利要求21所述的方法，其特征在于，还包括：
    接收所述RNC根据所述信令连接释放指示信息发送的无线链路控制确认信息。
  23. 根据权利要求18-22中任一项所述的方法，其特征在于，所述状态迁移指示信息在比特位上承载。
  24. 根据权利要求18-23中任一项所述的方法，其特征在于，所述接收无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，包括：
    接收所述RNC发送的重配置信令，所述重配置信令中携带所述状态迁移指示信息和所述目标RRC状态的信息。
  25. 根据权利要求18-23中任一项所述的方法，其特征在于，所述接收 无线网络控制器RNC发送的状态迁移指示信息和目标RRC状态的信息，包括：
    接收所述RNC发送的重配置信令或广播消息，所述重配置信令或所述广播消息中携带所述状态迁移指示信息，所述状态迁移指示信息包括所述目标RRC状态的信息。
  26. 根据权利要求18-25中任一项所述的方法，其特征在于，还包括：
    接收所述RNC发送的目标无线网络临时标识；
    将当前无线网络临时标识更新为所述目标无线网络临时标识。
  27. 一种状态迁移的方法，其特征在于，包括：
    生成状态迁移指示信息和目标无线资源控制RRC状态的信息，所述状态迁移指示信息用于指示用户设备进行增强状态迁移；
    向所述用户设备发送所述状态迁移指示信息和所述目标RRC状态的信息，以便于所述用户设备根据所述状态迁移指示信息从当前RRC状态迁移到所述目标RRC状态。
  28. 根据权利要求27所述的方法，其特征在于，还包括：
    接收所述用户设备在从当前RRC状态迁移到所述目标RRC状态之前发送的无线链路控制确认信息。
  29. 根据权利要求27所述的方法，其特征在于，还包括：
    接收所述用户设备在从当前RRC状态迁移到所述目标RRC状态之前发送的将信令连接释放指示原因设置为用户设备请求分组交换数据会话结束的信令连接释放指示信息。
  30. 根据权利要求29所述的方法，其特征在于，还包括：
    根据所述信令连接释放指示信息向所述用户设备发送无线链路控制确认信息。
  31. 根据权利要求27-30中任一项所述的方法，其特征在于，所述状态迁移指示信息在比特位上承载。
  32. 根据权利要求27-31中任一项所述的方法，其特征在于，所述向所述用户设备发送所述状态迁移指示信息和所述目标RRC状态的信息，包括：
    向所述用户设备发送重配置信令，所述重配置信令中携带所述状态迁移指示信息和所述目标RRC状态的信息。
  33. 根据权利要求27-31中任一项所述的方法，其特征在于，所述向所 述用户设备发送所述状态迁移指示信息和所述目标RRC状态的信息，包括：
    向所述用户设备发送重配置信令或广播消息，所述重配置信令或所述广播消息中携带所述状态迁移指示信息，所述状态迁移指示信息包括所述目标RRC状态的信息。
  34. 根据权利要求27-33中任一项所述的方法，其特征在于，还包括：
    向所述用户设备发送目标无线网络临时标识。
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