CN201312388Y - Wireless transmitting and receiving unit used for detecting RL failure - Google Patents

Abstract

The utility model provides a wireless transmitting and receiving unit used for detecting radio link (RL) failure. Once the transmission in an enhanced dedicated channel (E-DCH) is started, the quality of a dedicated physical channel (F-DPCH) in a downlink is detected; the quality of the dedicated physical channel (F-DPCH) in a downlink is judged by a predefined threshold; and if the quality is lower than the predefined threshold, the failure of the RL is confirmed, and the transmission in the E-DCH in a state of cell forward access channel (CELL-FACH) is stopped, and then the E-DCH resources are released when the failure is verified.

Description

Be used to detect the wireless transmission receiving element of radio link failure

Technical field

The application relates to radio communication.

Background technology

Insert the part of the evolution of (WCDMA) standard as the Wideband Code Division Multiple Access (WCDMA) in ongoing third generation partner program (3GPP) Standard Edition 8, a new job is established, in the CELL_FACH state enhancement type special channel (E-DCH) merging is used for wireless transmission receiving element (WTRU).

Fig. 1 shows have enhanced uplink radio resource control (RRC) service state of 3GPP_WTRU of (UL).WTRU can move in a plurality of states according to User Activity.Defined following state: idle (IDLE), cell private channel (CELL_DCH), cell forward access channel (CELL_FACH), Universal Mobile Telecommunications System (UMTS) terrestrial radio access network (UTRAN) registration area paging channel (URA_PCH), and cell paging channel (CELL_PCH).The RRC state exchange is controlled by the network that uses radio network controller (RNC) parameter, and common WTRU also can't help oneself to determine the change of executing state.

In the CELL_DCH state, DPCH is assigned to WTRU at UL and down link (DL).WTRU is known according to its current cell level that is movably arranged on.WTRU can use dedicated transmission channel, shares transmission channel, the perhaps combination of these transmission channels.

If the designated use common signal channel of WTRU (for example forward access channel (FACH), Random Access Channel (RACH)), then it is in the CELL_FACH state.In the CELL_FACH state, do not have DPCH to be assigned to this WTRU, and this WTRU continue the high-speed downlink shared channel (HS-DSCH) among monitoring forward access channel (FACH) (for example forwarding S-CCPCH Secondary Common Control Physical Channel (S-CCPCH) to) or the DL.WTRU is assigned with its default public or shared transmission channel (for example Random Access Channel (RACH)) that can use at any time according to this transmission channel in UL.UTRAN can carry out the sub-district at cell update place and know the position of WTRU on cell level according to WTRU is the last.

In the CELL_PCH state, there is not DPCH to be assigned to WTRU, WTRU selects PCH, and the indicator channel (PICH) by being associated, and uses discontinuous reception to monitor selected PCH.There is not the UL activity to take place.UTRAN can carry out the sub-district at cell update place and know the position of WTRU on cell level according to WTRU is the last in the CELL_FAC state.

In the URA_PCH state, there is not dedicated channel to be assigned to WTRU.WTRU selects PCH, and uses discontinuous reception to monitor selected PCH by the PICH that is associated.There is not the UL activity to take place.Be assigned to the URA of WTRU according to the last URA reproducting periods in the CELL_FACH state and on the UTRAN registration area level, know the position of WTRU.

The RACH transmission mechanism carries out based on time slot-Aloha method with catching indication.Before message transfer, WTRU comes bid by transmitting short preamble, and this short preamble is made of the characteristic sequence of selecting at random in the access slot of selecting at random (signature sequence).WTRU intercepts and waits for the indication of catching from node-b on AICH Acquisition Indication Channel (AICH) then.This indication comprises the specific AICH characteristic sequence that shines upon one to one with the selected preamble characteristic sequence of WTRU.If receive the sure indication of catching, then WTRU has caught this channel effectively, and can transmit the message of this WTRU.The operable resource of WTRU is scheduled by the selection of preamble characteristic sequence in the RACH system.

E-DCH can be used to CELL_FACH WTRU increases data rate in new enhanced RACH (E-RACH).WTRU can be than the longer duration (i.e. 10 milliseconds or 20 milliseconds of duration) of RACH transmission of using version 99 by E-DCH.

Transmission by E-DCH need be set up the dedicated radio control channel.In the system before version 8, when when the CELL_FACH state moves to the CELL_DCH state, the through-put power by node-b and WTRU is set to appropriate level, carries out synchronizing process.This synchronizing process A that defines in the 3GPP standard is designed to adapt to the long connect hours.This process comprises two stages.During the phase I, have only synchronously in (in-sync) primitive can by from the physical layer of WTRU to layer 3 (L3) report.If the quality of DL radio link (RL) (being fractional dedicated physical channel (F-DPCH) or Dedicated Physical Control Channel (DPCCH)) is higher than predetermined threshold value in before 40 milliseconds, then synchronization primitives is reported.The per 10 milliseconds of frames of primitive are reported.When the continuous synchronization that continues N312 in the cycle of T312 is reported, the physical channel foundation that is considered, wherein N312 and T312 are disposed by UTRAN.When physical channel was established, WTRU can begin the UL transmission.Stage 2 begins after physical channel is set up 160 milliseconds, and the primitive of wherein neutralize synchronously asynchronous (out-of-sync) can be reported to the L3 of WTRU.

In the situation of the E-DCH of CELL_FACH state transmission, another synchronizing process (for example synchronizing process AA) is provided, this synchronization primitives uses the back proving period.This back proving period is 40 milliseconds time cycle, and wherein the DL signal quality is identified.During the proof procedure of back, WTRU is immediately at the UL transmitting data, and when transmission, the through-put power of WTRU monitoring F-DPCH is controlled the quality of (TPC) field.If the quality of the TPC field of F-DPCH is better than threshold value Qin behind first 40ms, is proved to be successful after then, otherwise fails.

When failing for the back proving period that is in the WTRU that maybe will enter the CELL_DCH state, the behavior of the synchronizing process of WTRU is defined in the 3GPP standard.Yet, when it moves in the CELL_FACH state, be not defined about behavior to the WTRU of the proposed synchronizing process of WTRU.

The current special-purpose RL resource that is used to specific WTRU long time period to keep that is defined about the regulation that RL sets up and power is controlled.But they are highly suitable for WTRU short cycle busy channel, then discharge the situation (for example burst transfer) of radio resource.

In current 3GPP standard, the RL failure only just is triggered when WTRU is in the CELL_DCH state.Behavior at RL failure back WTRU comprises the CELL_FACH state that is transformed into, and carries out sub-district gravity treatment and initialization cell updating course.Yet the process that the RL that expectation is used for triggering at CELL_FACH state WTRU fails.

The utility model content

A kind of device that is used to detect RL failure and back proof procedure is provided.In case the transmission on E-DCH begins, the quality of downlink F-DPCH is just monitored.Whether the quality of determining downlink F-DPCH is lower than predetermined threshold value.If this quality is lower than predetermined threshold value, then the RL failure has taken place in indication, and terminates in the transmission on E-DCH in the CELL_FACH state.Under the situation of back authentication failed, the E-DCH resource is released.

Description of drawings

Can understand the utility model in more detail from following description, these descriptions are to provide in example mode in conjunction with the accompanying drawings, wherein:

Fig. 1 shows high-speed downlink packet and inserts the RRC state that (HSDPA)/High Speed Uplink Packet inserts (HSUPA);

Fig. 2 shows wireless communication system;

Fig. 3 is the WTRU of wireless communication system shown in Figure 2 and the functional block diagram of base station;

Fig. 4 shows the exemplary module figure of radio interface protocol model;

Fig. 5 shows the behavior flow chart of WTRU under the situation of back checking procedure failure;

Fig. 6 shows the flow chart of RL failure triggering situation when WTRU transmits in the CELL_FACH state on E-DCH;

Fig. 7 shows the figure of the behavior of WTRU when detecting the RL failure;

Fig. 8 shows the sequential chart that is used to monitor the RL failure scenarios; And

Fig. 9 shows the flow chart of the node-b triggering situation of determining generation RL failure.

Embodiment

" wireless transmitter/receiver unit (WTRU) " that hereinafter mentions is including, but not limited to the subscriber equipment of subscriber equipment (UE), mobile radio station, fixing or moving user unit, beeper, cell phone, PDA(Personal Digital Assistant), computer or any other type that can operate in wireless environment." base station " hereinafter mentioned is including, but not limited to the interface equipment of node-b, site controller, access point (AP) or any other type that can operate in wireless environment.

The term E-DCH that hereinafter mentions is used to indicate the transmission on the E-DCH, and this transmission is then based on the competition that inserts CELL_FACH state, CELL_PCH state, URA_PCH state or idle pulley.Term E-DCH can indicate the E-DCH in CELL_PCH state, URA_PCH state and/or IDLE pattern in the CELL_FACH state.Method disclosed herein be equally applicable to any other to existing based on improvement in access (the being RACH) competition of WTRU longer time busy channel.

Fig. 2 shows wireless communication system 200, and it comprises a plurality of WTRU 210, node-b 220, and CRNC 230, and SRNC 240, and core net 250.As shown in Figure 3, WTRU 210 communicates with node-b 220, and node-b 220 is communicated by letter with SRNC 240 with CRNC 230.Figure 2 illustrates 220, one CRNC 230 of 210, one node-bs of 3 WTRU and a SRNC 240, it should be noted that any wireless and combination wireline equipment can be comprised in the wireless communication system 200.

Fig. 3 is the WTRU 210 in the wireless communication system 200 in Fig. 2 and the functional block diagram 300 of node-b 220.As shown in Figure 3, WTRU 210 communicates by letter with node-b, and both sides are configured to the method that is used for detecting when the CELL_FACH state transmits as WTRU RL failure generation on E-DCH of carrying out.

Except the assembly that can comprise in typical WTRU, WTRU 210 also comprises processor 215, receiver 216, transmitter 217 and antenna 218.Processor 215 is configured to carry out and is used for detecting the method that the RL failure takes place as WTRU on E-DCH when the CELL_FACH state transmits.Receiver 216 is communicated by letter with processor 215 with transmitter 217.Antenna 218 is all communicated by letter to promote the transmission and the reception of wireless data with receiver 216 and transmitter 217.

Except that the assembly that can comprise in typical base station, node-b 220 also comprises processor 225, receiver 226, transmitter 227 and antenna 228.Processor 225 is configured to carry out and is used for detecting the method that the RL failure takes place as WTRU on E-DCH when the CELL_FACH state transmits.Receiver 226 is communicated by letter with processor 225 with transmitter 227.Antenna 228 is communicated by letter with transmitter 227 to promote the transmission and the reception of wireless data with receiver 226.

Fig. 4 shows radio interface protocol model 400.WTRU 210 can comprise rrc layer (L3) entity, RLC entity, medium access control system (MAC) entity and physics (PHY) layer (L1) entity.The RLC entity comprises emitting side parts and receiver side parts.The emitting side parts comprise the transmission buffer device.The RLC entity has increased the reliability of wireless radio transmission.MAC entity control user is to the access of transmission medium.The PHY layer aloft transmits and receives data.Node-b 220 can comprise same at the identical entity shown in Fig. 4.

Fig. 5 shows the behavior flow chart of WTRU 210 when back checking procedure failure.Back checking procedure failure 505.WTRU 210 can be configured to trigger the release 510 of E-DCH resource.Alternatively, WTRU 210 can be configured to wait for predetermined timer expiration 515.WTRU 210 can be configured to carry out back off procedure before another E-DCH UL of trial inserts at random.WTRU 210 can be configured to start rollback timer 520.If timer does not expire 525, then WTRU 210 can be configured to check whether satisfy cell reselection criteria 535.If satisfy cell reselection criteria, then WTRU210 can be configured to carry out cell updating course, and transmits cell update (CELL UPDATE) message and give node-b 540.If do not satisfy cell reselection criteria, then WTRU 210 continues check rollback timer state and cell update standard.When the rollback timer has expired 525 the time, then WTRU 210 can be configured to attempt new UL and insert 530 at random.The rollback timer can be by more high-rise configuration.

Replacedly, WTRU 210 can carry out the cell updating course of indicating cell gravity treatment, RL failure in the CELL_FACH state, or the new indication behavior of failing during E-DCH.Alternatively, WTRU 210 can be configured to more high-rise indication bust this.

Discharge the E-DCH resource or stop the E-DCH access and can may further comprise the steps at CELL_FACH state or idle condition.The PHY layer can report that PHY layer process fail and finish to MAC, and the MAC layer stops to the physical layer transmission data herein.The reception of E-DCH (E-DCH insertion authority channel (E-AGCH), E-DCH mixed automatic repeat request (HARQ) indicator channel (E-HICH), E-DCH relative authorization channel (E-RGCH)) and transmission (E-DPCCH, E-DCH Dedicated Physical Data Channel (E-DPDCH)) process are stopped.The MAC-i/is entity is reset.Replacement MAC-i/is entity comprises and refreshes (flush) HARQ process, transmission sequence number (TSN) is set is initial value, and abandon any remaining segment in the segmentation buffer.Replacedly, WTRU 210 can only refresh the HARQ process or refresh the HARQ process and the TSN value of resetting, and does not reset and whole MAC-i/is is not carried out.Alternatively, WTRU 210 can remove E-DCH radio net temporary mark (E-RNTI), HS-DSCH RNTI (H-RNTI) or sub-district RNTI (C-RNTI).

Fig. 6 shows the flow chart of the situation of WTRU 210 triggering RL failures in the CELL_FACH state.The transmission that WTRU 210 starts by E-DCH 605.The quality monitored 610 of the DL F-DPCH that is associated.Channel quality after the effluxion particular offset that WTRU 210 begins to transmit can be monitored.If being lower than predefined threshold value for the quality of N frame F-DPCH (is Q _F-DPCH) 615, determine that then the RL failure has taken place 625, wherein N is predefined continuous frame number.If the quality of F-DPCH is not less than predefined threshold value, then there is not RL failure 620 and continues monitoring DLF-DPCH quality of channel 610.If do not satisfy then L1 declares RL failure 625 to the L3 report for the quality of N frame F-DPCH.In case the radio link failure, WTRU 210 can be configured to terminate in any E-DCH transmission 630 in the CELL_FACH state.

Fig. 7 shows the figure of the behavior of WTRU 210 when detecting the RL failure.The RL failure takes place 705.WTRU 210 can terminate in the E-DCH transmission 710 in the CELL_FACH state.Stop the E-DCH transmission and comprise release E-DCH resource 715.E-DCH transmission and receiving course stop 720.The MAC-i/is entity is reset 725.WTRU 210 can be configured to wait for the predefined time 730.WTRU 210 can be configured to start rollback timer 735.WTRU 210 can be configured to determine whether timer expires 740.If timer is not expiration also, then WTRU 210 is configured to check whether satisfy cell reselection criteria 750.If satisfy cell reselection criteria, then WTRU 210 can be configured to carry out cell reselection process, and sends cell update message to node-b 755.If do not satisfy the sub-district gravity treatment, then WTRU 210 is configured to continue check rollback timer state.If timer expires, then WTRU 210 is configured to attempt new UL and inserts 745 at random.

Replacedly, when the RL failure had taken place, WTRU 210 can refresh the HARQ process; Replacement TSN; And the execution cell updating course, this cell updating course has the behavior of indicating cell gravity treatment, RL failure, or any indication behavior of failing during the E-DCH in the CELL_FACH state.

Replacedly, WTRU 210 can attempt transmission via E-DCH again up to predefined K time, and triggering cell reuse adoption process afterwards.

Replacedly, if attempted using Transmission Time Interval (TTI) value (for example 2 milliseconds) of shortening to transmit before the WTRU 210, then WTRU 210 can use bigger TTI value (for example 10 milliseconds) to attempt transmission again on E-DCH.

Replacedly, if attempted using bigger TTI value (for example 10 milliseconds) to transmit on E-DCH before the WTRU 210, then WTRU 210 can attempt transmitting on RACH.

Replacedly, the quality of the DL DPCCH that is associated can be monitored.If the quality of DPCCH is lower than predefined threshold value for N frame, determine that then the RL failure takes place, wherein N is predefined continuous frame number.

If L1 also can be configured to be lower than predefined threshold value Q for the quality of N F-DPCH in M the successive frame or DPCCH _F-DPCH, then to L3 report RL failure.

Replacedly, WTRU 210 can be configured to monitor the quality of Common Pilot Channel (CPICH), if the quality for N frame CPICH or any other DL control channel is lower than predefined threshold value, then the L1 of WTRU 210 is to the L3 of WTRU 210 report RL failure.

Replacedly, WTRU 210 can be configured to monitor from node-b 220 for the affirmative acknowledgement (ACK) that is used for its UL transmission or the reception of negative response (NACK).If WTRU 210 receives K NACK in the window L of predefined continuous UL transmission, then the L1 of WTRU 210 fails to the L3 of WTRU 210 report indication RL and takes place, and wherein K and L are by pre-configured or send to WTRU 210 with signal.

Replacedly, WTRU 210 can be configured to monitor the success of mixed automatic repeat request (HARQ) process.If R HARQ procedure failure in the window of J new HARQ process, then WTRU 210 can be configured to declare the RL failure, and wherein R and J can be parameters scheduled justice or that send to WTRU 210.

WTRU 210 can be configured on F-DPCH or DPCCH to receive S continuous TPC and increase order, and wherein S is by pre-configured or send to WTRU 210 with signal.So if WTRU210 can not further increase its through-put power owing to reach maximum power, then WTRU 210 can declare the RL failure.

Replacedly, increase the DL through-put power that order comes requesting node-B 220 these WTRU of increase when WTRU 210 transmits S continuous TPC on UL DPCCH, and when the DL control channel is not observed the growth of the power that receives, can declare the RL failure.

In limited UL transmission, WTRU 210 can be configured to use E-DCH to check (ping) node-b 220, and WTRU 210 follows WTRU 210 report RL failures at AICH or F-DPCH check node-b.This examination transmission is established, thereby in period T _PingIn also do not have UL when transmission that the examination transmission takes place.

Replacedly, if WTRU 210 does not receive the signal from node-b 220 on the time slot of the appointment in M cycle, then WTRU report RL failure.

Fig. 8 shows the sequential chart of monitoring RL failure scenarios.Mentioned as top accompanying drawing 6, and for all triggering situation, WTRU 210 can begin to transmit 805 (promptly following the AICH indication from node-b 220) on E-DCH.WTRU 210 can begin monitoring situation 810 when the effluxion side-play amount T1 that begins to transmit from WTRU 210.The time offset parameter cycle allows the power Control Circulation to have the sufficient time to converge.Additional grace period T2 can be introduced in the time 815 that allows physical layer to report nonsynchronous primitive from beginning to monitor the time that triggering situation begins.Additional grace period T2 allows additional time firm power Control Circulation.Period T 1 and T2 are the time migration parameter, and this period T 1 and T2 can the pre-defined or configurations by more high-rise (being RRC signaling or broadcast channel).Notice that as the particular condition of general case more, T1 and T2 can independent or common value be zero also at this.

Replacedly, when WTRU 210 did not transmit via E-DCH in the CELL_FACH state, it was configured to monitor the RL quality.Particularly, the WTRU 210 in CELL_FACH state, CELL_PCH state or URA_PCH state can continue to monitor any other DL control channel (for example, quality CPICH).If the quality of the DL control channel of observation is reduced under the predefined threshold value at the fixed time, then the L1 of WTRU 210 can signal the L3 of WTRU 210, and the RL failure has taken place in indication.

Fig. 9 shows the flow chart of the node-b triggering situation of determining generation RL failure.WTRU can begin to transmit 905 via E-DCH in the CELL_FACH state.Node-b 220 is monitored E-DCH 910 at predetermined window on the cycle.Node-b 220 determines whether be lower than predetermined threshold value 915 from the quality of the control channel that is associated of WTRU 210.If channel quality is not less than threshold value, then there is not RL failure 920, and continues the quality 910 of monitoring and controlling channels.If this quality is lower than predefined threshold value, then node-b 220 declaration RL failures 925.Node-b 220 can use the particular value of E-AGCH to indicate WTRU 210 to stop E-RACH and insert 930.This key component by WTRU occurs on the WTRU.This indication can comprise with signal transmission zero authorization value or use retention.Node-b 220 can stop with WTRU be connected 935.

Replacedly, node-b 220 can be configured to monitor the E-DCH 910 that is used for from the feedback of WTRU 210 in the predetermined window cycle.If the quality of the control channel that is associated (for example UL DPCCH, UL E-DPCCH or UL HS-DPCCH) is lower than predetermined threshold 915 in the predefined time, then node-b 220 declaration RL failures.

Replacedly, node-b 220 can be monitored the ACK of the UL transmission that is used to be associated or the transmission of NACK feedback signal.When node-b 220 transmitted K NACK in the window L of predefined continuous UL transmission, node-b 220 can be declared the RL failure.

Replacedly, node-b 220 can be monitored the success of HARQ process, node-b 220 is configured to monitor the HARQ process, and if in the window that the new HARQ process of predefine quantity J time is attempted R HARQ procedure failure, then node-b 220 can declare that RL fails.

Replacedly, node-b 220 can be configured to increase the order indication of its power of increase of node-b 220 (promptly from) and give the WTRU 210 that uses E-DCH in the CELL_FACH state transmitting S continuous TPC on F-DPCH or the DPCCH.If these orders of node-b 220 transmission still do not observe from the increase of the power of the reception of the WTRU 210 that these orders are sent to, then node-b 220 can be declared the RL failure.

Replacedly, node-b 220 can be configured on UL DPCCH, F-DPCH or DPCCH to receive S TPC and increase and order the indication of its power of increase of WTRU 210 (promptly from), if and node-b 220 can not further increase its through-put power, then node-b 220 can be declared the RL failure.

Replacedly, node-b 220 can be configured to discharge the E-DCH resource via High-Speed Shared Control Channel (HS-SCCH) instruction indication WTRU 210.Node-b 220 can transmit, and this HS-SCCH instruction can be the order that is transmitted via the HS-SCCH control channel.

Replacedly, new or existing L3 RRC message can be used to indicate WTRU 210 it can stop in the CELL_FACH state transmission via E-DCH.Replacedly, node-b 220 can be configured to not respond any UL transmission in time out period.Replacedly, node-b 220 can be configured to go up K N continuous ACK of transmission at E-DCH HARQ indicator channel (E-HICH) and give WTRU 210.

Though feature of the present utility model and element are described with specific combination, each feature or element can be under the situation that does not have further feature and element use separately, or with or with under the various situations that further feature and element combine do not use.Here method that provides or flow chart can be implemented in computer program, software or the firmware carried out by all-purpose computer or processor.The light medium that comprises magnetizing mediums, magnet-optical medium and the CD-ROM disk of read-only memory (ROM), random-access memory (ram), register, buffer storage, semiconductor memory apparatus, internal hard drive and moveable magnetic disc and so on and digital versatile disc (DVD) and so on about the example of computer-readable recording medium.

For instance, appropriate processor comprises: general processor, application specific processor, conventional processors, digital signal processor (DSP), a plurality of microprocessor, one or more microprocessors, controller, microcontroller, application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) circuit, any integrated circuit (IC) and/or the state machine related with the DSP nuclear phase.

The processor that is associated with software can be used to realize a radio frequency transceiver, so that used in wireless transmission receiving element (WTRU), subscriber equipment (UE), terminal, base station, radio network controller (RNC) or any host computer.WTRU can be used in combination with the module that adopts hardware and/or form of software to implement, for example camera, camara module, video telephone, speaker-phone, vibratory equipment, loud speaker, microphone, TV transceiver, Earphone with microphone, keyboard, bluetooth

Module, frequency modulation (FM) radio unit, LCD (LCD) display unit, Organic Light Emitting Diode (OLED) display unit, digital music player, media player, video game machine module, explorer and/or any wireless lan (wlan) or ultra broadband (UWB) module.

Claims (12)

1. a wireless transmission receiving element is characterized in that, this wireless transmission receiving element comprises:

Processor, be configured to monitor the quality of downlink portion DPCH, determine to be lower than predefined threshold value Q for the quality of N the described downlink portion DPCH of successive frame, the generation of declaration radio link failure, and terminate in the cell forward access channel status via the transmission of enhancement type special channel, wherein N is predefined continuous frame number.

2. wireless transmission receiving element according to claim 1 is characterized in that, this wireless transmission receiving element also comprises:

Processor is set to discharge the enhancement type special channel resource, and stop enhancement type special channel and receive and transmission course, and replacement medium access control system entity.

3. wireless transmission receiving element according to claim 2 is characterized in that, this wireless transmission receiving element also comprises:

Processor is configured to make described medium access control system entity to stop to send data to physical layer.

4. wireless transmission receiving element according to claim 1 is characterized in that, this wireless transmission receiving element also comprises:

Processor is configured to wait for predefined time quantum; Start the rollback timer; And before inserting, another Random Access Channel of initialization waits for described rollback timer expiration.

5. wireless transmission receiving element according to claim 4 is characterized in that, even this wireless transmission receiving element comprises that also described wireless transmission receiving element is configured to described timer and does not also have expiration also to carry out the sub-district gravity treatment.

6. wireless transmission receiving element according to claim 4, it is characterized in that, this wireless transmission receiving element comprises that also described wireless transmission receiving element is configured to when satisfying cell reselection criteria, stops described rollback timer and carries out cell reselection process.

7. wireless transmission receiving element according to claim 1 is characterized in that, this wireless transmission receiving element also comprises:

Described wireless transmission receiving element is configured to monitor the quality of downlink-dedicated physical control channel.

8. wireless transmission receiving element according to claim 1 is characterized in that, this wireless transmission receiving element also comprises:

If if described wireless transmission receiving element is configured to back checking procedure failure and satisfies cell reselection criteria, the new sub-district of gravity treatment and discharge the enhancement type special channel resource then.

9. a wireless transmission receiving element is characterized in that, this wireless transmission receiving element comprises:

Processor, be configured to monitor the quality of downlink portion DPCH, determine to be lower than predefined threshold value Q for the quality of N the described downlink portion DPCH of successive frame, detect the back authentication failed, and terminate in the cell forward access channel status via the transmission of enhancement type special channel, wherein N is predefined continuous frame number.

10. wireless transmission receiving element according to claim 9 is characterized in that, this wireless transmission receiving element also comprises:

Described wireless transmission receiving element is configured to start the rollback timer, in case and this timer expire, then attempt the access at random of up link.

11. wireless transmission receiving element according to claim 9 is characterized in that, this wireless transmission receiving element also comprises:

Processor is configured to carry out the sub-district gravity treatment; And

Transmitter does not also have expiration to transmit even be set to described rollback timer yet.

12. wireless transmission receiving element according to claim 9 is characterized in that, this wireless transmission receiving element also comprises:

Processor is configured to discharge described enhancement type special channel resource.

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