WO2013123782A1 - Procédé et système de transition d'état, station de base et équipement utilisateur - Google Patents

Procédé et système de transition d'état, station de base et équipement utilisateur Download PDF

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Publication number
WO2013123782A1
WO2013123782A1 PCT/CN2012/084621 CN2012084621W WO2013123782A1 WO 2013123782 A1 WO2013123782 A1 WO 2013123782A1 CN 2012084621 W CN2012084621 W CN 2012084621W WO 2013123782 A1 WO2013123782 A1 WO 2013123782A1
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WIPO (PCT)
Prior art keywords
timer
user equipment
paging
cell
base station
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Ceased
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PCT/CN2012/084621
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English (en)
Chinese (zh)
Inventor
冯莉
李秉肇
陈东
郑潇潇
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2013123782A1 publication Critical patent/WO2013123782A1/fr
Anticipated expiration legal-status Critical
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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

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a state transition method and system, a base station, and a user equipment. Background technique
  • the User Equipment In the Universal Mobile Telecommunications System (UMTS), the User Equipment (UE) has a Cell-Dedicated Channel (CELL-DCH) state and a Cell Forward Access Channel (CELL-Forward Access Channel).
  • CELL-FACH Status, Cell Paging Channel (CELL-PCH) Status, UMTS Terrestrial Radio Access Network (UTRAN) Registration Area-Paging Channel; URA PCH) Status, IDLE (idle) status and other five states.
  • the radio network controller indicates that the UE moves to a certain state through a Radio Resource Control (RRC) message, and the power consumption performance of the UE in different states is different, and the power is saved in the above five states.
  • RRC Radio Resource Control
  • the RNC will instruct the UE to move from the CELL FACH to the CELL-PCH state. At least two signalings are required for the UE to move from the CELL_F ACH state to the CELL PCH state.
  • the RNC may send the radio bearer reconfiguration to the UE.
  • a message (Radio bearer reconfiguration) to inform the UE that reconfiguration can be performed to the CELL_PCH state, and the UE replies to a radio bearer reconfiguration Complete message.
  • the UE needs at least one message (such as a Measurement Report message) to migrate CELL_FACH from the CELL_PCH state.
  • An aspect of the present invention provides a state transition method, including: a user equipment supporting seamless state transition is in a cell forward access channel state, and if the first timer is started or restarted, the first timer is started or restarted; Determining that the first timer is cut off when the first timer is started or restarted, and determining that the user equipment moves to the cell paging according to the cutoff time of the first timer. The time of the channel state, and determining that the user equipment moves into the paging channel state of the cell at the time of the ingress.
  • Another aspect of the present invention provides a state transition method, including: starting or restarting a first timer when a user equipment moves into a cell forward access channel state and satisfies a first timer start or restart condition; Determining, when the first timer starts or restarts, to the first preset time length, determining that the first timer is cut off; determining, according to the cutoff time of the first timer, moving in the paging channel state of the inbound cell Time; moving into the cell paging channel state at the time of the migration.
  • a base station including: a startup module, where a user equipment for supporting seamless state transition is in a cell forward access channel state, if the first timer is started Or the restarting condition, starting or restarting the first timer; the processing module, configured to: when the first timer starts or restarts, runs to the first preset time length, determining that the first timer is cut off; Determining, according to the expiration time of the first timer, an inbound time of the user equipment to move into a cell paging channel state, and determining that the user equipment moves into the cell paging channel state during the ingress time.
  • a user equipment including: a startup module, configured to start or restart the first timer after the user equipment moves into a cell to access the channel state, and after the first timer is started or restarted.
  • a processing module configured to: when the first timer starts or restarts, runs to a first preset time length, determines that the first timer is off; and is further configured to: cut off according to the first timer The time determines the inbound time of the paging channel state of the inbound cell; the migration module is configured to move into the paging channel state of the cell at the time of the ingress.
  • the embodiment of the present invention further provides a state transition system, including the base station and/or the user equipment as described above.
  • the embodiments of the present invention provide a method and system for state transition, a base station, and a user equipment.
  • a seamless state transition of a user equipment from a cell forward access channel state to a cell paging channel state can be implemented.
  • there is no signaling participation which can effectively save the signaling load of the network and save network resources.
  • FIG. 1 is a flowchart of a state transition method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a state transition method according to another embodiment of the present invention.
  • FIG. 4 is a signaling diagram of a state transition method according to an embodiment of the present invention.
  • FIG. 5 is a signaling diagram of a state transition method according to another embodiment of the present invention.
  • FIG. 6 is a signaling diagram of a state transition method according to still another embodiment of the present invention.
  • FIG. 3 is a signaling diagram of a state transition method according to another embodiment of the present invention.
  • FIG. 8 is a signaling diagram of a state transition method according to still another embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a base station according to another embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a UE according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a UE according to another embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a state transition system according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • CDMA Code Division Multiple
  • TDMA Time Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency OFDMA (Orthogonal Frequency-Division Multiple Access) system
  • SC-FDMA single carrier FDMA
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • the user equipment which may be a wireless terminal or a wired terminal, may be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connectivity, or other processing device connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and with a mobile terminal
  • RAN Radio Access Network
  • the computers for example, can be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices that exchange language and/or data with the wireless access network.
  • a wireless terminal may also be referred to as a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, an Access Point, Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • a base station can refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), the invention is not limited.
  • the base station controller may be a base station controller (BSC) in GSM or CDMA, or a radio network controller in WCDMA (RNC, Radio Network) Controller), the invention is not limited.
  • BSC base station controller
  • RNC Radio Network Controller
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association that describes the associated object, indicating that there can be three relationships, for example, A and / or B, which can mean: A exists separately, and both A and B exist, exist alone B These three situations.
  • the character "/,,” in this article generally means that the contextual object is a kind of "or,” relationship.
  • FIG. 1 is a flowchart of a state transition method according to an embodiment of the present invention.
  • the execution body of the state transition method of this embodiment is a base station.
  • the state transition method of this embodiment can be specifically described as follows.
  • the UE supporting the seamless state transition is in the CELL_FACH state. If the first timer is started or restarted, the base station starts or restarts the first timer.
  • the base station determines that the first timer is turned off.
  • the base station determines, according to the expiration time of the first timer, the inbound time of the UE moving into the CELL-PCH state, and determines that the UE moves into the CELL-PCH state during the migration time.
  • the state transition method of the embodiment can implement the seamless state transition of the UE from the CELL-FACH state to the CELL_PCH state by adopting the foregoing technical solution, and no signaling participation during the state transition process, thereby effectively saving the network. Signaling load, saving network resources.
  • the base station starts or restarts the first timer when the first timer is started or restarted, and may specifically include the following situations.
  • the base station transmits the high-speed downlink sharing of the UE in the High Speed-Shared Control Channel (HS-SCCH).
  • H-RNTI High Speed Downlink Shared Channel-Radio Network Transaction Identifier
  • the base station determines that the UE releases the common E-DCH resource, and the base station starts or restarts the first timer.
  • SI Service Information
  • the base station determines the manner in which the UE allocates the common E-DCH resource, it feeds back an ACK on an Acquisition Indicator Channel (AICH).
  • AICH Acquisition Indicator Channel
  • the base station when the UE supports the common E-DCH, but the base station does not allocate the common E-DCH resource to the UE, when the base station sends the H-RNTI of the UE in the HS-SCCH, that is, when the base station sends the downlink data to the UE, the base station starts.
  • the base station is When the HS-SCCH transmits the H-RNTI of the UE, the base station starts or restarts the first timer, where "Interruption by HS-DSCH data" is configurable and can be set to TRUE or FALSE, and TRUE indicates that the downlink data can be interrupted. A timer, FALSE indicates that the downlink data cannot be intended for the first timer. Similarly, when the base station allocates a common E-DCH resource to the UE, the base station stops the first timer.
  • the base station determines that the UE moves into the Discontinuous Reception (DRX) state
  • the base station starts or starts the first timer.
  • the base station stops the first timer.
  • the fourth situation is The state transition method may further include the following steps before the UE starts or restarts the first timer when the UE moves into the DRX state.
  • the base station When the UE does not support the common E-DCH, when the base station transmits the H-RNTI of the UE in the HS-SCCH, that is, when the base station sends the downlink data to the UE, the base station starts or restarts the second timer.
  • the base station detects whether to send downlink data to the UE again (that is, whether the H-RNTI of the UE is sent in the HS-SCCH)
  • the base station detects that the base station sends the downlink data to the UE again, and performs (3); otherwise, the second timer starts counting until the second timer counts to the second.
  • the base station performs (4).
  • the second preset time length is less than the first preset time length.
  • the base station determines that the UE moves into the DRX state.
  • the first timer and the second timer are started simultaneously; or the second timer is turned off (that is, when the second timer runs to the second preset time length)
  • the first timer is started; or after the second timer is cut off, the first timer is started when the UE enters DRX on.
  • the second timer preset length is required to be smaller than the first timer preset length.
  • the state transition method may further include the following steps. .
  • the base station determines that the UE releases the common E-DCH resource, the base station starts or restarts the second timer.
  • the base station sends the H-RNTI of the UE when the HS-SCCH transmits the UE, that is, the base station sends the UE the H-RNTI.
  • the base station When the downlink data is sent, the base station starts or restarts the second timer; or when the UE supports the common E-DCH, the base station does not allocate the common E-DCH resource for the UE, and "the downlink data interrupts the DRX indication (DRX Interruption by HS-DSCH) Data) " is TRUE, when the base station transmits the H-RNTI of the UE in the HS-SCCH, the base station starts or restarts the second timer, where "DRX Interruption by HS-DSCH data" is configurable and can be TRUE or FALSE, TRUE indicates that the downlink data can interrupt DRX, that is, the downlink data can restart or start the second timer; FALSE indicates that the downlink data cannot interrupt DRX, that is, the downlink data cannot interrupt the second timer.
  • TRUE indicates that the downlink data can interrupt DRX, that is, the downlink data can restart or start the second timer
  • FALSE indicates that the downlink data cannot
  • the second timer in the foregoing embodiment may be a T321 timer, or another timer.
  • the first timer and the second timer are started at the same time, or when the second timer is turned off, the first timer is started, or after the second timer is turned off, The first timer is started when the UE enters DRX on.
  • the state transition method further includes: determining, when the first timer is started or restarted, running the first preset time length, determining the first timer Whether the restart condition of the above four conditions is met, and when the first timer meets the restart condition, the first timer is restarted. Otherwise, the first timer is run to the first preset time length, and the first timer is determined to be off, that is, 101 above.
  • the base station when the base station detects that the base station sends the downlink data to the UE before the first timer is synchronized to the first preset time length, the base station may further include: The timer, in the corresponding 100, "starts or restarts the first timer when the first timer is started or restarted", and may specifically include the following.
  • the base station starts the first timer; for example, the predefined observation time point is the time point of the system frame number (SFN) for N to be equal to M, N and M are both 0 or a positive integer, N is greater than the value of the first preset time length.
  • the method further includes: when the UE supporting seamless state transition is in a CELL-FACH state, the base station receives a frame protocol (Frame Protocol; FP) sent by the RNC. a frame, the FP frame carrying a paging opportunity parameter for transmitting Paging Indicator (PI) information.
  • FP frame protocol
  • FP paging opportunity parameter for transmitting Paging Indicator
  • the state transition method may further include: the base station sending the PI information to the UE according to the paging occasion indicated by the paging opportunity parameter, It is used by the UE to monitor PI information at the paging occasion.
  • the paging opportunity parameter in the foregoing embodiment may be a cell SFN or a connection frame number (CFN) determined by the RNC to indicate that the PI information is sent on the paging channel, and the FP is
  • the frame further includes a paging indication, where the paging indicator is used to indicate that the PI in the corresponding location is 1 or 0; or the paging occasion parameter may also be an IMSI, or the paging timing parameter may also be an IMSI and a discontinuous reception period.
  • Length DRX Cycle Length
  • the paging opportunity parameter is the H-RNTI of the UE; or the paging occasion parameter may also be the H-RNTI and the DRX Cycle Length of the UE.
  • the RNC configures the DRX Cycle Length to the NodeB through common signaling to reduce the content in the FP frame.
  • the state transition before sending the PI information to the UE according to the paging occasion indicated by the paging opportunity parameter may further comprise: determining a paging occasion based on the IMSI and the DRX cycle length, the paging occasion being a cell SFN or a CFN.
  • the paging occasion is determined according to the length of the IMSI and the DRX cycle, and the following may be adopted.
  • Paging Timing ( IMSI div K ) mod ( DRX Period Length) + n * DRX Period Length, where div indicates division, and K indicates the sub-common control physical channel carrying the paging channel (Paging Channel; PCH) ( Secondary Common Control Physical Channel; S-CCPCH) Number or High Speed Downlink Packet Access (HSDPA)
  • Paging Channel PCH
  • S-CCPCH Secondary Common Control Physical Channel
  • HSDPA High Speed Downlink Packet Access
  • PICHs Paging Indicator Channels
  • K is a positive integer greater than 0
  • mod represents a remainder
  • n is a positive integer equal to 0 or less than the maximum value of SFN or CFN.
  • the state transition method further includes: determining a paging occasion according to the H-RNTI and the DRX Circle Length of the UE; SFN or CFN.
  • the state transition method may further include: receiving, by the base station, a first timer that is sent by the RNC.
  • the first preset time length may be received, by the base station, a first timer that is sent by the RNC.
  • the RNC may further include: when the UE has uplink data, the RNC receives the UE. Uplink data sent directly by the base station. At this time, compared with the prior art, the UE does not need to send the measurement control message to the base station first, but can directly send the uplink data. Compared with the prior art, signaling can be effectively reduced and network resources can be saved.
  • the method may include: determining, by the base station, that the deadline of the first timer is the inbound time, and determining that the UE moves into the CELL-PCH state during the migration time; or determining, by the base station, the deadline of the first timer
  • the three preset time lengths are the migration time, and it is determined that the UE moves into the CELL PCH state during the migration time.
  • the base station may further include: the base station sends an indication message to the RNC to notify the RNC UE to move into the CELL_PCH state.
  • the determining, by the eNB, the expiration time of the first timer and the third preset time length are the migrating time, and determining that the UE moves into the CELL-PCH state during the migrating time.
  • the base station sends a timeout period in which the first timer can be carried in the indication message to the RNC, and the time of the third preset time length is sent to notify the RNC that the UE moves into the CELL when the first timer expires for the third preset time length. PCH status.
  • the RNC receives the MIKE-PCH status indication sent by the NodeB, and then sends the data to the base station after the predefined observation time point to the current time period, and needs to reconstruct the FP frame, that is, construct the HS.
  • -DSCH DATA FRAME TYPE3 or notification such as Radio Link Control (RLC) or Radio Resource Control (RRC).
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • FIG. 2 is an embodiment of a predefined observation time point provided by an implementation of the present invention.
  • 0, 1, 2, ... represent SFN.
  • the predefined observation time point is a point where SFN mode 7 is equal to 0, and the first preset time length of the first timer is 2.
  • the RNC will re-transmit the FP frame for re-establishing the data, that is, construct HS-DSCH DATA TYPE3 retransmission, or notify RLC. Layer or RRC layer retransmission.
  • the third preset time length in the foregoing embodiment may be sent by the RNC to the base station, and correspondingly, the method may further include: receiving, by the base station, a third preset time length sent by the RNC. Or the third preset time length may also be preset by the RNC, the base station, and the UE.
  • the first timer in the foregoing embodiment may be referred to as an inactivity timer, and the first timer is sent by the RNC to the UE through a dedicated RRC message, such as a radio bearer reconfiguration message. of.
  • the RNC notifies the base station through dedicated FP frames or signaling.
  • the first timer is sent by the RNC to the UE by using a system message, and correspondingly, the RNC notifies the base station by using public signaling or a public FP frame.
  • the state transition method of the foregoing embodiment by adopting the foregoing technical solution, can implement seamless state transition between the CELL_FACH state and the CELL_PCH state of the UE, and the state transition In the process, there is no signaling participation, which can effectively save the signaling load of the network and save network resources.
  • FIG. 3 is a flowchart of a state transition method according to another embodiment of the present invention.
  • the execution body of the state transition method of this embodiment is a UE.
  • the state transition method of this embodiment can be specifically described as follows.
  • the UE When the UE is in the CELL_FACH state, when the first timer is started or restarted, the first timer is started or restarted.
  • the UE determines that the first timer is turned off.
  • the UE determines, according to a deadline of the first timer, an inbound time of moving into a CELL PCH state.
  • the UE moves into the CELL PCH state during the migration time.
  • the state transition method of the present embodiment is different from the foregoing embodiment shown in FIG. 1 in that: the embodiment describes the technical solution of the present invention on the UE side, and the embodiment shown in FIG. 1 describes the technical solution of the present invention on the base station side.
  • the embodiment shown in FIG. 1 describes the technical solution of the present invention on the base station side.
  • the state transition method of the embodiment can implement the seamless state transition of the UE from the CELL FACH state to the CELL_PCH state by adopting the foregoing technical solution, and in the state transition process, there is no signaling participation, thereby effectively saving the network information. Let the load save network resources.
  • the first timer is started or restarted when the first timer is started or restarted, Specifically, the following situations may be included.
  • the UE monitors the H-RNTI of the UE in the HS-SCCH, that is, when the UE receives the downlink data sent by the base station, the UE starts or restarts the first timer.
  • the UE when the UE supports the common E-DCH, the UE releases the common E-DCH resource.
  • the source is up, the UE starts or restarts the first timer; when the UE competes for the common E-DCH resource, the UE stops the first timer.
  • the UE supports the common E-DCH, but the UE is not allocated to the common E-DCH resource, and the UE detects the H-RNTI of the UE in the HS-SCCH, that is, when the UE receives the downlink data sent by the base station, the UE starts. Or restarting the first timer; or the UE supports the common E-DCH, but the UE is not allocated to the common E-DCH resource, and the "Interruption by HS-DSCH data" is TRUE, the UE monitors the UE in the HS-SCCH.
  • the H-RNTI starts or restarts the first timer, where 'Interruption by HS-DSCH data' is configurable and can be set to TRUE or FALSE.
  • TRUE indicates that the downlink data can interrupt the first timer
  • FALSE indicates the downlink. The data cannot be intended for the first timer.
  • the UE competes for the common E-DCH resource, the UE stops the first timer.
  • the state transition method when the UE moves into the DRX state, the UE starts or restarts the first timer. Further, when the UE does not support the common E-DCH, in the fourth case, when the UE moves into the DRX state, before the UE starts or restarts the first timer, the state transition method may further include the following content.
  • the UE When the UE does not support the common E-DCH, when the UE listens to its own H-RNTI on the HS-SCCH, that is, when receiving the downlink data sent by the base station, the UE starts or restarts the second timer.
  • the UE When the UE supports the common E-DCH and the UE does not contend for the common E-DCH resource, the UE starts its own H-RNTI on the HS-SCCH, that is, when the UE receives the downlink data sent by the base station, the UE starts. Or restarting the second timer; or when the UE supports the common E-DCH, the UE does not compete for the common E-DCH resource, and the "DRX Interruption by HS-DSCH data" is TRUE, the UE listens itself to the HS-SCCH.
  • the UE starts or restarts the second timer, where "DRX Interruption by HS-DSCH data" is configurable and can be TRUE or FALSE, TRUE indicates that downlink data can interrupt DRX, that is, downlink data can be made.
  • the second timer is restarted or started; FALSE indicates that the downlink data cannot interrupt DRX, that is, the downlink data cannot interrupt the second timer.
  • the UE stops the second timer; otherwise, when the second timer runs to the second preset time length, the second timer expires, and the UE moves into the DRX state.
  • the second preset time length is less than the first preset time length.
  • the second preset time length and the first preset time length have no size limit.
  • the first timer and the second timer are started simultaneously; or when the second timer is turned off, the first timer is started; or after the second timer is cut off, The first timer is started when the UE enters DRX on.
  • the state transition method may further include:
  • the UE When the UE supports the common E-DCH, the UE starts or restarts the second timer when the UE releases the common E-DCH resource; when the UE competes for the common E-DCH resource, the second timer is stopped.
  • the second timer when the UE competes for the common E-DCH resource, the second timer is stopped; otherwise, when the second timer runs to the second preset time length, the second timer is turned off (ie, the second timer is full, That is, the second timer runs to the second preset time length, and the UE moves into the DRX state.
  • the base station Before the base station starts or restarts the first timer or at the same time, specifically includes the first timing And the second timer is started at the same time; or when the second timer is turned off, the first timer is started; or after the second timer is turned off, the first timer is started when the UE enters DRX on.
  • the UE when the UE monitors its own H-RNTI on the HS-SCCH before the first timer reaches the first preset time length, that is, the UE receives
  • the downlink data sent by the base station may further include: when the UE stops the first timer, the "starting or restarting the first timer" in the corresponding 200 may include: when a predefined observation time point is reached, The UE starts or restarts the first timer; the predefined observation time point is a time point at which the SFN is equal to N, and N and M are both 0 or a positive integer, and N is greater than the value of the first preset time length.
  • the predefined observation time point is that the UE, the base station, and the RNC are scheduled to be good.
  • N is fixed or configurable.
  • the first timer and/or N is sent by the RNC to the UE through a dedicated RRC message, such as a radio bearer reconfiguration message.
  • the RNC notifies the base station of the first timer and/or by using a dedicated FP frame or signaling. N.
  • the first timer and/or N is sent by the RNC to the UE by using a system message, and correspondingly, the RNC notifies the base station of the first timer and/or N by using common signaling or a common FP frame.
  • the RNC can calculate the predefined observation time point to tell the base station and the UE, or the RNC will query the base station or the UE to calculate a parameter such as N at a predefined time point, and the RNC, the base station and the UE each calculate a predefined observation according to the calculation. Time point.
  • the UE may further include: the UE monitors the PI information at the paging occasion, where the PI information is a base station.
  • the paging occasion is specifically a cell SFN or a CFN.
  • the UE may further include: before the paging occasion, the UE determines the paging occasion, where the paging occasion is a cell SFN or CFN determined according to the length of the IMSI and the DRX period.
  • the UE determines the paging occasion, where the paging occasion is a cell SFN or CFN determined according to the length of the IMSI and the DRX period.
  • the first preset time length corresponding to the first timer and the first timer may be sent by the RNC.
  • the method may further include: receiving, by the UE, a first preset time length corresponding to the first timer sent by the RNC.
  • the eNB may further include: when the UE has uplink data, directly send the uplink to the base station. data.
  • the UE does not need to send the measurement control message to the base station first, but can directly send the uplink data.
  • signaling can be effectively reduced and network resources can be saved.
  • the determining, by the UE, the inbound time of the CELL-PCH state according to the cutoff time of the first timer includes: determining, by the UE, the first timing.
  • the deadline of the device is the migration time; or the UE determines the deadline of the first timer plus the third preset time length as the migration time.
  • the third preset time length is also sent by the RNC, and correspondingly, the UE determines that the first timer is cut off and the third preset time length is the move in.
  • the method may further include: receiving, by the UE, a third preset time length sent by the RNC.
  • the state transition method of the above embodiment can implement the UE by using the above technical solution.
  • the seamless state transition between the CELL_FACH state and the CELL-PCH state, and no state of signalling during the state transition process, can effectively save the signaling load of the network and save network resources.
  • FIG. 4 is a signaling diagram of a state transition method according to an embodiment of the present invention. As shown in FIG. 4, the state transition method of this embodiment may specifically include the following content.
  • the UE reports to the RNC the capability indication that the UE supports seamless (no signaling) state transition.
  • the base station reports to the RNC the capability indication that supports seamless state (no signaling) migration.
  • the capability indication can identify the ability of the base station or cell or local cell to support unsignaled state transitions.
  • the RNC sends a configuration message carrying a CELL_FACH state to the UE, such as a radio bearer reconfiguration (Poly Bearer Reconfiguration) message, to indicate that the UE moves into a CELL FACH state.
  • a radio bearer reconfiguration Policy Bearer Reconfiguration
  • the UE completes the CELL-FACH state configuration according to the radio bearer reconfiguration message, moves to the CELL FACH state, and sends the Radio Bearer Reconfiguration Complete to the RNC.
  • Radio bearer reconfiguration complete message so that the RNC can know that the UE has moved into the CELL-FACH state.
  • the RNC sends the first preset time length corresponding to the first timer to the base station and the UE, respectively.
  • the case of step 304 corresponds to determining, by the RNC, a first preset time length corresponding to the first timer.
  • step 304 and the previous step 300-step 303 have no chronological order.
  • the first preset time length in the actual application may also be predefined, and step 304 is not required at this time.
  • the RNC sends, to the base station, an FP frame carrying a PI and a Connection Frame Number (CFN).
  • CFN Connection Frame Number
  • the CFN is used to determine, directly or indirectly, the time at which the PI is sent on the PICH.
  • the CFN may refer to the cell system frame number corresponding to the PI transmitted on the PICH; for example, the CFN is the cell SFN corresponding to the start time of other channel frames (such as S-CCPCH/HS-SCCH/HS-PDSCH). And then determining the PI to be sent on the PICH according to the timing relationship between the PICH and the channel. Time (ie paging time).
  • the paging time is the SFN corresponding to the first 3 slots of the CFN; if the CFN refers to the cell SFN corresponding to the beginning of the HS-SCCH frame, The paging time is the SFN corresponding to the first three slots of the CFN. If the CFN is the cell SFN corresponding to the start of the HS-PDSCH (High Speed Physical Downlink Shared Channel) frame, the paging is performed. The timing is the SFN corresponding to the first 5 slots of the CFN.
  • HS-PDSCH High Speed Physical Downlink Shared Channel
  • the paging occasion may be determined according to the length of the IMSI and the DRX cycle in the foregoing embodiment, where the corresponding RNC may carry the IMSI in the FP frame sent by the base station, correspondingly by the base station according to the manner of the foregoing embodiment, according to the IMSI and the CELL-
  • the length of the DRX cycle of the PCH determines the paging occasion, and the length of the CELL-PCH DRX period can be carried by the RNC to the NodeB through the FP frame or the common signaling.
  • the base station may calculate a paging occasion according to the H-RNTI and the DRX parameter of the CELL_PCH, for example: (SFN - H-RNTI + 65536) mod DRX cycle length ⁇ 1 , that is, the SFN satisfying the inequality is the paging occasion of the UE.
  • the SFN is the system frame number
  • the H-RNTI is the temporary identifier of the high-speed downlink shared channel wireless network of the UE
  • the DRX cycle length is the period length of the DRX
  • mod represents the remainder.
  • the base station and the UE respectively start or restart the first timer.
  • the base station and the UE start or restart the first timer to be synchronized.
  • the base station sends the downlink data
  • the UE synchronizes when receiving the downlink data sent by the base station.
  • the UE supports the common E-DCH
  • the UE releases the common E-DCH resource and the base station determines that the UE releases the common E-DCH resource is also synchronized.
  • the technical solution of the present invention is described by taking only the first timer as an example.
  • the base station and the UE simultaneously start the second timer may refer to The description of the related embodiments will not be repeated here.
  • the base station determines that the UE moves into the CELL_PCH state when the first timer expires.
  • the base station sends the H-RNTI of the UE on the HS-SCCH, that is, sends the downlink data to the UE, and then starts or restarts the first timer; After the timer runs to the first preset time length, the base station determines that the UE moves into the CELL_PCH state when the first timer expires;
  • the base station does not allocate the common E-DCH resource to the UE, the base station sends the H-RNTI of the UE on the HS-SCCH, that is, sends the downlink data to the UE, and then starts or restarts the first timer; Or the "Interruption by HS-DSCH data" is TRUE, and the base station does not allocate the common E-DCH resource to the UE, and the base station transmits the downlink data of the UE to the H-RNTI of the UE on the HS-SCCH, and then starts or restarts.
  • the first timer is stopped when the base station allocates the common E-DCH resource to the UE, and the first timer is started or restarted when the base station allocates the common E-DCH resource for the UE; After the first timer runs to the first preset time length, the base station determines that the UE moves into the CELL_PCH state when the first timer expires. When the UE supports the common E-DCH, the base station allocates the common E-DCH resource to the UE, and stops the first timer.
  • the base station side has the following three options:
  • Option 1 After the first timer expires, if the base station sends downlink data to the UE, it first determines whether to send the PI according to the paging opportunity parameter CFN or determines the time for sending the PI according to the IMSI and the length of the CELL PCH DRX cycle. Then, at this point in time, the paging message is sent at the PICH, and then the data is transmitted on the re-related HS-SCCH/HS-PDSCH channel.
  • the base station After the first timer expires, if the base station sends downlink data to the UE, it first determines whether to send the PI according to the paging opportunity parameter CFN or determines the time for sending the PI according to the IMSI and the length of the CELL PCH DRX cycle. Then, at this point in time, the paging message is sent at the PICH, and then the data is transmitted on the re-related HS-SCCH/HS-PDSCH channel.
  • the base station Before the first timer expires, if the base station sends downlink data to the UE, if the UE is in the continuous receiving state, the data is directly transmitted on the HS-SCCH/HS-PDSCH channel; if the UE is in the discontinuous receiving state, the DRX on The time is to send data to the UE on the HS-SCCH/HS-PDSCH channel, where the calculation of DRX on is calculated according to H-NTI, for example (SFN - H-RNTI + 65536) mod DRX cycle length ⁇ Rx_burst, that is, the data of the UE is scheduled in the SFN satisfying the inequality.
  • H-NTI for example (SFN - H-RNTI + 65536) mod DRX cycle length ⁇ Rx_burst, that is, the data of the UE is scheduled in the SFN satisfying the inequality.
  • the SFN is the system frame number
  • the H-RNTI is the high-speed downlink shared channel radio network temporary identifier of the UE
  • the DRX cycle length is the period length of the DRX
  • mod is the remainder
  • Rx_burst is the length of the DRX on.
  • IMSI IMSI
  • the base station Before the first timer expires, if the base station sends downlink data to the UE, if the UE is in the continuous receiving state, the data is directly sent to the UE on the HS-SCCH/HS-PDSCH; if the UE is in the discontinuous reception state, First, the time of the DRX on is calculated based on the IMSI and the CELL-FACH DRX parameters.
  • the DRX on start time is (IMSI mod DRX cycle length) + n * DRX cycle length, where the length of the DRX cycle length is CELL-FACH DRX cycle length, then The time period in which the UE is in DRX on is the corresponding SFN/CFN within the DRX-burst length from the DRX on start time; then the data is sent to the UE in the DRX on time period.
  • Option 3 If the base station has data to be sent to the UE after the first timer expires, first calculate the paging occasion according to the H-RNTI and the CELL_PCH DRX parameters, such as (SFN - H-RNTI + 65536) mod DRX cycle length ⁇ 1, that is, the SFN that satisfies the inequality first transmits the PI, where the SFN is the system frame number, the H-RNTI is the high-speed downlink shared channel radio network temporary identifier of the UE, the DRX cycle length is the period length of the DRX, and mod represents the remainder. Then, the data is sent on the related HS-SCCH/HS-PDSCH.
  • the CELL_PCH DRX parameters such as (SFN - H-RNTI + 65536) mod DRX cycle length ⁇ 1, that is, the SFN that satisfies the inequality first transmits the PI, where the SFN is the system frame number, the H-RNTI is the high-speed downlink shared channel
  • the base station has data to send to the UE before the first timer expires, if the UE is in the continuous receiving state, it is on the HS-SCCH/HS-PDSCH. Transmitting data to the UE; if the UE is in a discontinuous reception state, first according to the H-RNTI And the CELL-FACH DRX parameter calculates the timing of DRX on, such as:
  • (SFN - H-RNTI + 65536) mod DRX cycle length ⁇ Rx burst, that is, the timing at which the SFN satisfying the inequality is DRX on, that is, the UE is in the receiving state; wherein SFN is the system frame number, and H-RNTI is the high-speed downlink of the UE.
  • Shared channel radio network temporary identifier, DRX cycle length is the period length of DRX, mod indicates the remainder; Rx_burst indicates the length of DRX on.
  • the base station then transmits data to the UE at the DRX on timing.
  • the UE moves to the CELL_PCH state when the first timer expires.
  • the UE detects the H-RNTI of the UE on the HS-SCCH, that is, the UE receives the data sent by the base station, starts or restarts the first timer; When the first timer runs to the first preset time length, the UE moves into the CELL_PCH state;
  • the UE If the UE supports the common E-DCH: the UE is not allocated the common E-DCH resource, the UE starts or restarts the first timer when the HS-SCCH listens to its own H-RNTI; or the UE is not assigned the common E-DCH
  • the resource, and the ''Interruption by HS-DSCH data' is TRUE, when the UE listens to its own H-RNTI on the HS-SCCH, starts or restarts the first timer; when the UE is allocated to the common E-DCH resource, Stopping the first timer; when the UE releases the common E-DCH resource, the first timer is started or restarted; after the first timer expires, the UE moves into the CELL PCH state.
  • the UE When the UE supports the common E-DCH, the UE competes for the common E-DCH resource, stop the first timer.
  • the foregoing 307 and 308 are performed synchronously, and the technical solutions of the present invention are described on the base station side and the UE side, respectively.
  • start or restart condition of the first timer refer to the triggering conditions of the first timer start/restart/stop in the foregoing related embodiments, and details are not described herein again.
  • the second timer can be started or restarted before or at the same time, or the second timer is started or restarted.
  • the trigger condition is not described here.
  • the alternatives described in step 307 are three alternatives on the base station side, corresponding to the three alternatives on the base station side, respectively corresponding to the following three schemes on the UE side, as follows:
  • Option 1 After the UE moves into the CELL_PCH, the UE determines the paging occasion according to the paging timing parameter IMSI and the CELL-PCH DRX parameter, and listens to the PI at the paging occasion; if the received PI is 1, the UE starts to listen to the relevant HS-SCCH/HS. - PDSCH channel.
  • the UE After the UE moves into the CELL-FACH, if the UE is in the continuous receiving state, it directly receives data on the HS-SCCH/HS-PDSCH channel; if the UE is in the discontinuous receiving state, the DRX on timing is in the HS-SCCH/HS- The data is received on the PDSCH channel, where the calculation of DRX on is calculated according to the H-RNTI and DRX parameters, such as (SFN-H-RNTI + 65536) mod DRX_cycle length ⁇ Rx_burst.
  • the maximum value of SFN is the current system frame number.
  • the DRX is first calculated based on the IMSI and the CELL-FACH DRX parameters.
  • the time of on for example, the start time of DRX on is SFN/CFN corresponding to the value obtained by (IMSI mod DRX cycle length) + n * DRX cycle length, wherein the DRX cycle length length is CELL-FACH DRX cycle length, then the UE is in DRX on The time period is the corresponding CFN in the DRX-burst length from the start time of the DRX on; then the UE starts to continuously monitor the HS-SCCH/HS-PDSCH channel in the DRX on time period, where n is 0, 1 , 2.
  • the maximum value taken by ⁇ ensures that the resulting paging occasion does not exceed the maximum value of SFN or CFN.
  • Option 3 After moving into CELL_PCH, the UE first calculates the paging occasion according to the H-NTI and CELL PCH DX parameters, such as (SFN - H-RNTI + 65536) mod DRX—cycle length ⁇ 1 , that is, the SFN listening PI that satisfies the inequality, if the PI is monitored (that is, the PI read on the PICH channel is 1), and then the data is monitored on the relevant HS-SCCH/HS-PDSCH; After the UE moves into the CELL_FACH, if the UE is in the continuous receiving state, the HS-SCCH/HS-PDSCH is continuously monitored; if the UE is in the discontinuous receiving state, the timing of the DRX on is first calculated according to the H-RNTI and the CELL-FACH DX parameters. , for example:
  • the SFN is the system frame number
  • the H-RNTI is the UE's high-speed downlink shared channel radio network temporary identifier
  • the DRX_cycle_length is the DRX period length
  • mod is the remainder
  • Rx_burst indicates the length of the DRX on.
  • the three options on the UE side correspond to the three alternatives on the base station side. 309. After the UE moves into the CELL_PCH state, when uplink data is sent, the uplink data is directly sent to the base station.
  • the state transition method of the embodiment can implement the seamless state transition between the CELL-FACH state and the CELL-PCH state of the UE by using the foregoing technical solution, and the signaling transition is not effective in the state transition process. It saves the signaling load of the network and saves network resources.
  • FIG. 5 is a signaling diagram of a state transition method according to another embodiment of the present invention.
  • the state transition method of the embodiment may include the following steps: Steps 400-404 are the same as 300-304 in the embodiment shown in FIG. 4, and may refer to the foregoing embodiment of FIG. 4 in detail. Record, no longer repeat here.
  • the RNC sends an FP frame carrying the PI and the CFN to the base station.
  • RNC 405 or the base station may transmit the IMSI carried in the FP frame, this time CELL_PCH DRX Cycle length from the RNC through the common signaling, such as physical shared channel reconfiguration process configured to NodeB 0
  • the RNC may also send the bearer carrying the IMSI and the CELL_PCH DRX to the base station.
  • Cycle FP frame
  • the RNC may also send the FP frame carrying the H-RNTI to the base station, where the CELL PCH DRX Cycle length is configured by the RNC to the NodeB through common signaling, such as a physical shared channel reconfiguration process.
  • the RNC may also send an FP frame carrying the H-RNTI and the CELL_PCH DRX Cycle to the base station;
  • the base station and the UE respectively start a first timer.
  • the base station determines that the UE moves to the CELL_PCH state when the first timer expires.
  • the base station sends the H-RNTI of the UE on the HS-SCCH, that is, sends the downlink data to the UE, and then starts or restarts the first timer; After a timer runs to the first preset time length, the base station determines that the UE moves into the CELL PCH state when the first timer expires;
  • the base station does not allocate the common E-DCH resource to the UE, the base station sends the H-RNTI of the UE on the HS-SCCH, that is, sends the downlink data to the UE, and then starts or restarts the first timer; Or the "Interruption by HS-DSCH data" is TRUE, and the base station does not allocate the common E-DCH resource to the UE, and the base station transmits the downlink data of the UE to the H-RNTI of the UE on the HS-SCCH, and then starts or restarts.
  • the first timer is stopped when the base station allocates the common E-DCH resource to the UE, and the first timer is started or restarted when the base station allocates the common E-DCH resource for the UE; After the first timer runs to the first preset time length, the base station determines that the UE moves into the CELL_PCH state when the first timer expires. When the UE supports the common E-DCH, the base station allocates the common E-DCH resource to the UE, and stops the first timer.
  • the base station has three options for transmitting the downlink data to the UE, refer to the description of the detailed implementation manner of the base station side in the 307 in the foregoing embodiment shown in FIG. 4, where No longer. 408.
  • the UE moves to the CELL PCH state when the first timer expires.
  • the UE detects the H-RNTI of the UE on the HS-SCCH, that is, the UE receives the data sent by the base station, starts or restarts the first timer; When the first timer runs to the first preset time length, the UE moves into the CELL_PCH state;
  • the UE If the UE supports the common E-DCH: the UE is not allocated the common E-DCH resource, the UE starts or restarts the first timer when the HS-SCCH listens to its own H-RNTI; or the UE is not assigned the common E-DCH
  • the resource, and the ''Interruption by HS-DSCH data' is TRUE, when the UE listens to its own H-RNTI on the HS-SCCH, starts or restarts the first timer; when the UE is allocated to the common E-DCH resource, Stopping the first timer; when the UE releases the common E-DCH resource, the first timer is started or restarted; after the first timer expires, the UE moves into the CELL_PCH state.
  • the UE When the UE supports the common E-DCH, the UE competes for the common E -DCH resource, stop the first timer.
  • the UE transmits to the DCCH (Dedicated Control Channel) / DTCH (Dedicated Traffic Channel), at the maximum period for collision resolution phase. If the AG is received before the timeout, the UE stops the first timer, and does not move into the CELL PCH state even if the first timer is full; if the AG is not received before the maximum period for collision resolution phase expires, the first After the timer expires, it moves into the CELL_PCH state.
  • DCCH Dedicated Control Channel
  • DTCH Dedicated Traffic Channel
  • the maximum E-DCH resource allocation for the CCCH has been reached, and the UE enters the CELL_PCH when the first timer is full, and the first timer is restarted when the UE releases the common E-DCH resource; After the first timer expires, the UE moves into the CELL-PCH state.
  • the base station sends data to the UE.
  • the UE receives data.
  • the state transition method of this embodiment can implement the seamless state transition between the CELL-FACH state and the CELL-PCH state of the UE by adopting the foregoing technical solution, and without signaling participation during the state transition process, It effectively saves the signaling load of the network and saves network resources.
  • FIG. 6 is a signaling diagram of a state transition method according to still another embodiment of the present invention. As shown in FIG. 6, the state transition method in this embodiment may specifically include the following steps:
  • the steps 500-504 are the same as the 300-304 in the embodiment shown in FIG. 4 above. For details, refer to the description of the embodiment shown in FIG. 4, and details are not described herein again.
  • the base station and the UE respectively start a first timer.
  • step 505 is the same as step 306 in Fig. 4 above. After the base station and the UE start the first timer in 505, the first timer is restarted or the first timer is turned off.
  • the first timer is restarted or the first timer is turned off.
  • the base station side after the first timer is cut off, the base station may determine that the UE moves into the CELL_PCH state;
  • the base station sends an indication message to the RNC to notify the RNC that the UE moves to the CELL_PCH state, for example, the flow control frame HS-DSCH CAPACITY ALLOCATION can carry the indication message;
  • the RNC when the RNC receives the uplink data of the UE again, it considers that the UE moves into the CELL_FACH.
  • the base station may also determine that the UE moves into the CELL-PCH state.
  • steps 506 and 508 can be implemented by referring to the implementation shown in FIG. 4 above. The description of the examples will not be repeated here.
  • the RNC After the UE moves into the CELL-PCH, the RNC has the downlink data transmission of the UE, and sends the high-speed downlink shared channel data frame type 3 to the base station (HS-DSCH (High Speed Downlink Shared Channel; HS-DSCH) DATA FRAME TYPE3
  • HS-DSCH High Speed Downlink Shared Channel
  • HS-DSCH High Speed Downlink Shared Channel
  • DATA FRAME TYPE3 When the UE moves into the CELL-FACH, there is downlink data transmission of the UE, and the RNC sends the high-speed downlink shared channel data frame type 2 (HS-DSCH DATA FRAME TYPE2) to the base station.
  • the base station After receiving the HS-DSCH DATA FRAME TYPE3, the base station first sends the PI in the paging occasion specified in the HS-DSCH DATA FRAME TYPE3, and then sends the data on the relevant HS-SCCH/HS-PDSCH channel; When entering the CELL-FACH, after receiving the HS-DSCH DATA FRAME TYPE2 sent by the RNC, the base station does not need to send the PI and directly transmits data on the HS-SCCH/HS-PDSCH channel.
  • the PI is monitored at the paging occasion. If the PI is monitored, the data is monitored on the relevant HS-SCCH/HS-PDSCH. After the UE moves into the CELL-FACH, if the UE is in the continuous receiving state. Then, the HS-SCCH/HS-PDSCH is continuously monitored; if it is in the discontinuous reception state, the HS-SCCH/HS-PDSCH is monitored at the DRX on timing to receive the data transmitted by the base station on the HS-SCCH/HS-PDSCH channel.
  • the state transition method of the embodiment can implement the seamless state transition between the CELL FACH state and the CELL-PCH state of the UE by adopting the foregoing technical solution, and the state transition process does not involve signaling, thereby effectively Save network signaling load and save network resources.
  • FIG. 3 is a signaling diagram of a state transition method according to another embodiment of the present invention. As shown in FIG. 5, the state transition method in this embodiment may specifically include the following steps:
  • the steps 600-603 are the same as the 300-303 in the embodiment shown in FIG. 4 above. For details, refer to the description of the embodiment shown in FIG. 4, and details are not described herein again.
  • the RNC sends, to the base station and the UE, a first preset time length corresponding to the first timer and a third preset time length.
  • the first preset time length and the third preset time length corresponding to the first timer may be predefined by the RNC, the base station, and the UE, and correspondingly, the first preset time length and the third The preset length of time is configurable.
  • 605-608 is the same as 305-308 in the embodiment shown in FIG. 4 above.
  • details refer to the description of the embodiment shown in FIG. 4, and details are not described herein again.
  • the UE When the base station sends the downlink data or the UE receives the downlink data sent by the base station, the UE does not change the inbound time of the UE moving into the CELL_PCH state, and correspondingly, after 607, the following may also include the following 609.
  • the base station side after the first timer is cut off, the base station sends an indication message to the RNC to carry the time when the UE moves into the CELL PCH state or the time when the first timer expires, to notify the RNC that the UE moves during the migration time. Enter the CELL PCH status;
  • the RNC can update the state of the UE in the migration time according to the received indication message.
  • the UE moves to the CELL_PCH state after the first timer expires. After the UE enters the CELL PCH, the UE first listens to the PI and then receives the downlink data at the paging occasion.
  • step 610 The specific process of step 610 is the same as the prior art, and will not be described in detail herein.
  • the migration time the first timer deadline + the third preset time length
  • the uplink data is directly sent to the base station.
  • the state transition method of this embodiment can implement the seamless state transition between the CELL FACH state and the CELL PCH state by using the foregoing technical solution, and the state transitions.
  • there is no signaling participation which can effectively save the signaling load of the network and save network resources.
  • FIG. 8 is a signaling diagram of a state transition method according to still another embodiment of the present invention. As shown in FIG. 8, the state transition method of this embodiment may specifically include the following steps:
  • the UE reports the capability indication that the UE supports seamless state transition to the RNC.
  • the RNC sends a configuration message carrying a CELL_F ACH state, such as a Radio Bearer Reconfiguration message, to the UE, to indicate that the UE moves into a CELL FACH state.
  • a configuration message carrying a CELL_F ACH state such as a Radio Bearer Reconfiguration message
  • the UE completes the CELL-FACH state configuration according to the radio bearer reconfiguration message, moves to the CELL FACH state, and sends a Radio Bearer Reconfiguration Complete message to the RNC, so that the NC can learn that the UE has moved into the CELL FACH state;
  • the RNC sends a first timer time length and a parameter N to the base station and the UE, where the parameter N is used by the base station and the UE to determine a predefined observation time point, where the predefined observation time point is pre-negotiated by the UE, the base station, and the RNC.
  • the time parameter N is fixed or configurable.
  • the first timer and the parameter N are sent by the RNC to the UE through a dedicated RRC message (such as a radio bearer reconfiguration message).
  • the RNC notifies the base station of the first timer length and the parameter N through a dedicated FP frame or signaling. .
  • the RNC sends the first timer time length and the parameter N to the UE through the system message.
  • the RNC notifies the base station of the first timer time length and the parameter N by using common signaling or a common FP frame.
  • the base station and the UE determine a predefined observation time point according to the time parameter N.
  • the base station and the UE respectively start a first timer.
  • the base station determines that the UE moves into the CELL_PCH state when the first timer is cut off. Specifically, when the base station starts to send the downlink data to the UE before the time length of the first timer reaches the first preset time length, the base station restarts the first timer; otherwise, when the base station starts the first timer, the length of time reaches When the base station does not send downlink data to the UE again, the first timer expires.
  • the UE moves to the CELL_PCH state when the first timer expires.
  • the UE restarts the first timer when the time when the UE starts the first timer reaches the first preset time length, and then receives the downlink data sent by the base station; otherwise, the time length of the UE starts the first timer.
  • the first preset time length when the UE does not receive the downlink data sent by the base station again, the first timer is cut off.
  • the base station sends an indication message to the RNC to notify the RNC that the UE moves into the CELL_PCH state.
  • the base station After the first timer expires, the base station notifies the RNC that the UE moves into the CELL_PCH state, and the RNC can update the state of the UE according to the received indication message. Thus, after the first timer is stopped, the base station receives HS-DSCH DATA FRAME TYPE2 and discards it.
  • the RNC After receiving the indication message that the UE sends the CELL-PCH status to the base station, the RNC sends the data to the base station after the predefined time point to the current time.
  • the FP frame needs to be reconstructed, that is, the HS-DSCH is constructed.
  • the uplink data is directly sent to the base station.
  • the UE When the UE moves into the CELL-PCH state, after moving into the CELL-PCH state, the UE needs to monitor the PI at the paging occasion and then receive the downlink data.
  • the state transition method of this embodiment can achieve the UE by using the above technical solution.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the above-described method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 9, the base station of this embodiment may specifically include: a startup module 10 and a processing module 11.
  • the UE 10 is configured to support the seamless state transition of the UE in the CELL_FACH state. If the first timer is started or restarted, the first timer is started or restarted.
  • the processing module 11 is connected to the startup module 10, and the processing module 11 is used. When the startup module 10 starts or restarts the first timer and then runs to the first preset time length, the first timer is determined to be cut off; the processing module 11 is further configured to determine that the UE moves into the CELL-PCH according to the cutoff time of the first timer. The migration time of the state, and determine that the UE moves into the CELL PCH state during the migration time.
  • the base station of the present embodiment is the same as the implementation mechanism of the foregoing method embodiment by using the foregoing module.
  • the base station in this embodiment can implement the seamless state transition of the UE from the CELL_FACH state to the CELL-PCH state by adopting the foregoing module, and in the state transition process, there is no signaling participation, thereby effectively saving the signaling load of the network. Save network resources.
  • FIG. 10 is a schematic structural diagram of a base station according to another embodiment of the present invention.
  • the base station of this embodiment may further include the following:
  • the startup module 10 is specifically configured to: when the UE does not support the common E-DCH, in the HS-SCCH Sending the H-RNTI of the UE upwards, that is, when sending downlink data to the UE, starting or restarting The first timer; or the startup module 10 is specifically configured to: when the UE supports the common E-DCH, determine that the UE releases the common E-DCH resource, start the first timer; or the startup module 10 is specifically configured to: when the UE supports the common E-DCH The base station does not allocate the common E-DCH resource, and the base station starts or restarts the first timer when the base station sends the downlink data to the UE when the HS-SCCH transmits the H-RNTI of the UE, or the startup module 10 is specifically used to be the UE.
  • the startup module 10 is further configured to: when the downlink data is sent to the UE before the first timer is timed to reach the first preset time length, when the first timer is triggered to be triggered, when the predefined observation time point is reached, the first timing is started.
  • the predefined observation time point is the time point when the system frame number is equal to N, and N and M are both 0 or a positive integer, and N is greater than the value of the first preset time length.
  • the base station in this embodiment may further include a detection module 12, and the detection module 12 is connected to the startup module 10.
  • the detection module 12 is further configured to run to the first timer after the startup module 10 starts or restarts the first timer. During the first preset time length, it is determined whether the first timer meets the restart condition. When the first timer meets the restart condition, the triggering startup module 10 restarts the first timer.
  • the startup module 10 in this embodiment is further configured to: before the UE moves into the DRX state, before starting or restarting the first timer or simultaneously, when the UE supports the common E-DCH, the base station determines that the UE releases the common E- When the DCH resource is used, the second timer is started or restarted; or when the UE supports the common E-DCH and the common E-DCH resource is not allocated to the UE, when the HS-SCCH transmits the H-RNTI of the UE, the base station sends the UE to the UE.
  • the second timer is started or restarted; or when the UE supports the common E-DCH, the UE is not allocated the common E-DCH resource, and the "DRX Interruption by HS-DSCH data" If the UE is in the H-RNTI, the second timer is started or restarted.
  • the DRX Interruption by HS-DSCH data is configurable and can be TRUE or FALSE.
  • the DRX is interrupted, that is, the downlink data can restart or start the second timer; FALSE indicates that the downlink data cannot interrupt the DRX, that is, the downlink data cannot interrupt the second timer.
  • the second preset time length is less than the first preset time length.
  • the detecting module 12 is further configured to determine whether the second timer meets the restart condition during the process of starting the second timer by the startup module 10 or restarting the second timer, and determining whether the second timer meets the restart condition.
  • the timer meets the restart condition, and the triggering startup module 10 restarts the second timer.
  • the processing module 11 is further configured to determine that the UE moves into the DR state when the startup module 10 starts or restarts the second timer until the second timer runs to the second preset time length (ie, the second timer is turned off).
  • the startup module 10 is further configured to stop the second timer when the common E-DCH resource is allocated to the UE.
  • the base station in this embodiment may further include a receiving module 13 and a sending module 14.
  • the receiving module 13 is configured to: when the UE supporting the seamless state transition is in the CELL_FACH state, receive the FP frame sent by the RNC, and carry the FP frame in the FP frame.
  • the sending module 14 is connected to the receiving module 13 and the processing module 11, respectively.
  • the sending module 14 is configured to determine, after the processing module 11 moves the CELL_PCH state, the paging timing indicated by the paging timing parameter of the receiving module 13 to the UE.
  • the PI information is sent for the UE to listen to the PI information according to the paging occasion.
  • the paging occasion parameter is a paging occasion determined by the RNC to indicate that the PI information is sent on the paging channel, where the paging occasion is a cell SFN or a CFN; or the paging timing parameter is an IMSI.
  • the paging opportunity parameter is the IMSI and DRX cycle length; or the paging opportunity parameter is IMSI, or the paging opportunity parameter is IMSI and DRX cycle length.
  • the processing module 11 in this embodiment is further configured to: when the paging opportunity parameter is IMSI, or the paging timing parameter is IMSI and DRX cycle length, and the sending module 14 indicates the paging occasion according to the paging opportunity parameter.
  • the paging occasion is determined according to the length of the IMSI and the DRX period received by the receiving module 13, and the paging occasion is the cell SFN or CFN.
  • processing module 11 is further configured to: before the sending module 14 sends the PI information to the UE according to the paging occasion indicated by the paging opportunity parameter, determine the paging occasion according to the H-RNTI and the DRX cycle length of the UE received by the receiving module 13;
  • the call timing is also the cell SFN or CFN.
  • the RNC configures the DRX Circle Length to the base station by using common signaling to reduce the content in the FP frame.
  • the processing module 11 is specifically configured to determine that the deadline of the first timer is the migration time.
  • the processing module 11 is specifically configured to determine a cutoff time of the first timer and a third preset time length as the move in time.
  • the sending module 14 is further configured to: after the UE moves in the CELL_PCH state, send an indication message to the RNC to inform the RNC UE to move into the CELL-PCH state.
  • the indication message carries the expiration time of the first timer plus the time of the third preset time length.
  • the UE moves into the CELL_PCH state when the first timer expires for the third preset time length.
  • the base station of the present embodiment is the same as the implementation mechanism of the related method embodiment by using the above-mentioned modules.
  • the base station of the present embodiment is the same as the implementation mechanism of the related method embodiment by using the above-mentioned modules.
  • the base station in this embodiment can implement the seamless state transition of the UE from the CELL_FACH state to the CELL-PCH state by using the foregoing module, and no signaling participation during the state transition process, thereby effectively saving the signaling load of the network. , save network resources.
  • FIG. 11 is a schematic structural diagram of a UE according to an embodiment of the present invention.
  • the UE in this embodiment may specifically include: a startup module 20, a processing module 21, and an migration module 22.
  • the startup module 20 is configured to start or restart the first timer when the first timer is started or restarted when in the CELL_FACH state.
  • the processing module 21 is connected to the startup module 20, and the processing module 21 is configured to determine that the first timer is off when the first timer runs to the first preset time length after the startup module 20 starts or restarts the first timer; 21 is further configured to determine an inbound time of moving into the CELL-PCH state according to a cutoff time of the first timer; the ingress module 22 is connected to the processing module 21, and the ingress module 22 is configured to be determined by the processing module 21. Move in time to move to CELL-PCH status.
  • the UE in this embodiment can implement the seamless state transition of the UE from the CELL-FACH state to the CELL-PCH state by adopting the foregoing module, and in the state transition process, there is no signaling participation, thereby effectively saving network signaling. Load, save network resources.
  • FIG. 12 is a schematic structural diagram of a UE according to another embodiment of the present invention. As shown in FIG. 12, the UE in this embodiment further includes the following on the basis of the foregoing embodiment shown in FIG.
  • the initiating module 20 in this embodiment is specifically configured to: when the UE does not support the common E-DCH, the UE monitors the H-RNTI of the UE in the HS-SCCH, that is, when the UE receives the downlink data sent by the base station, the UE starts or restarts the first timer.
  • the startup module 20 is specifically configured to: when the UE supports the common E-DCH, the UE starts or restarts the first timer when the UE releases the common E-DCH resource; or the startup module 20 is specifically configured to: when the UE supports the common E-DCH, but no The UE is allocated to the common E-DCH resource, and the UE monitors the H-RNTI of the UE in the HS-SCCH, that is, when the UE receives the downlink data sent by the base station, starts or restarts the first timer; or the startup module 20 is specifically configured to be used when the UE moves in. In the DRX state, the UE starts or restarts the first timer.
  • the UE in this embodiment further includes a detection module 23, and the detection module 23 is connected to the startup module 20.
  • the detection module 23 is further configured to run to the first timer after the startup module 20 starts or restarts the first timer. In the process of the first preset time length, determine whether the first timer is The restart condition is met. When the first timer meets the restart condition, the triggering startup module 20 restarts the first timer.
  • the startup module 20 is further configured to start or restart the first timer when a predefined observation time point is reached; the predefined observation time point is that the system frame number is equal to N.
  • N and M are both 0 or a positive integer, and N is greater than the value of the first preset time length.
  • the startup module 20 is further configured to: before the first timer is started or restarted when the DRX state is moved into the DRX state, or when the UE does not support the common E-DCH.
  • the UE monitors its own H-RNTI on the HS-SCCH, that is, when receiving downlink data sent by the base station, it starts or restarts the second timer; or is also used when the UE supports the common E-DCH, but the UE has no competition.
  • the detecting module 23 determines that the UE monitors its own H-RNTI on the HS-SCCH, that is, when the UE receives the downlink data sent by the base station, the triggering startup module 20 starts or restarts the second timer;
  • the UE supports the common E-DCH, the UE does not compete for the common E-DCH resource, and the 'DRX Interruption by HS-DSCH data' is TRUE, the detecting module 23 determines that the UE listens to itself on the HS-SCCH.
  • the triggering startup module 20 starts or restarts the second timer, and the startup module 20 is further configured to stop the second timer when the UE competes for the common E-DCH resource; the migration module 22 is further used to Two When run to a second predetermined length of time, the second timer is turned off, the moved UE DRX state.
  • the second preset time length is less than the first preset time length.
  • the UE in this embodiment further includes a listening module 24.
  • the monitoring module 24 is configured to monitor the PI information at the paging occasion after the mobility time is moved into the CELL_PCH state, where the PI information is sent by the base station according to the paging occasion, and the paging occasion is the cell SFN or CFN.
  • the processing module 21 in this embodiment is further configured to determine a paging occasion before the paging opportunity to listen to the PI information, where the paging occasion is determined according to the length of the IMSI and the DRX cycle. Cell SFN or CFN.
  • the monitoring module 24 is connected to the processing module 21, and the monitoring module 24 is configured to monitor the PI information at the paging occasion determined by the processing module 21 after the migration time moves into the CELL_PCH state.
  • the processing module 21 may be further configured to determine a paging occasion before the paging opportunity to listen to the PI information, where the paging occasion is a cell SFN or a CFN determined according to a UE's H-RNTI and a DRX cycle length.
  • processing module 21 is specifically configured to determine that the deadline of the first timer is the migration time; or determine the deadline of the first timer plus the third preset.
  • the length of time is the move in time.
  • the UE in this embodiment can implement seamless transition of the UE from the CELL_FACH state to the CELL-PCH state by adopting the foregoing module, and in the state transition process, there is no signaling participation, thereby effectively saving the signaling load of the network. Save network resources.
  • FIG. 13 is a schematic structural diagram of a state transition system according to an embodiment of the present invention. As shown in FIG. 13, the state transition system of this embodiment may specifically include a base station 30 and a UE 40.
  • the base station 30 of this embodiment may use the base station of the embodiment shown in FIG. 9 or FIG. 10 above.
  • the UE 40 the UE of the embodiment shown in FIG. 11 or FIG. 12 may be used.
  • FIG. 11 or FIG. 12 may be used.
  • the base station 30 and the UE 40 in the state transition system of the embodiment may implement the state transition by using the state transition method in the foregoing embodiment of FIG. 1 to FIG. 8.
  • the state transition method in the foregoing embodiment of FIG. 1 to FIG. 8. refer to the description of the foregoing embodiment, where Narration.
  • the state transition system of the embodiment can implement seamless transition of the UE from the CELL FACH state to the CELL-PCH state, and no signaling participation during the state transition process, thereby effectively saving the signaling load of the network and saving Internet resources.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the components displayed as units may or may not be physical units, i.e., may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in various embodiments of the present invention may be integrated into one processing unit
  • 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.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un système de transition d'état, une station de base et un équipement utilisateur. Le procédé comprend les étapes suivantes : lorsqu'un UE qui prend en charge la transition d'état sans coupure est à l'état CELL_FACH et si la condition de démarrage ou de redémarrage d'un premier temporisateur est remplie, une station de base démarre ou redémarre le premier temporisateur ; lorsque le premier temporisateur a fonctionné pendant une première durée prédéterminée après avoir été démarré ou redémarré, la station de base détermine que le premier temporisateur est arrêté ; et la station de base détermine en fonction du moment de l'arrêt du premier temporisateur le moment de transition pendant lequel l'UE passe à l'état CELL_PCH et détermine que l'UE passe à l'état CELL_PCH pendant le temps de transition. La solution technique selon les modes de réalisation de la présente invention permet de réduire efficacement la charge de signalisation d'un réseau et d'économiser les ressources réseau.
PCT/CN2012/084621 2012-02-23 2012-11-15 Procédé et système de transition d'état, station de base et équipement utilisateur Ceased WO2013123782A1 (fr)

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