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WO2011120449A1 - Procédé et dispositif de désactivation de porteuses - Google Patents

Procédé et dispositif de désactivation de porteuses Download PDF

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Publication number
WO2011120449A1
WO2011120449A1 PCT/CN2011/072435 CN2011072435W WO2011120449A1 WO 2011120449 A1 WO2011120449 A1 WO 2011120449A1 CN 2011072435 W CN2011072435 W CN 2011072435W WO 2011120449 A1 WO2011120449 A1 WO 2011120449A1
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WO
WIPO (PCT)
Prior art keywords
timer
user terminal
scc
sccs
carrier deactivation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/072435
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English (en)
Chinese (zh)
Inventor
赵亚利
许芳丽
杨晓东
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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Publication of WO2011120449A1 publication Critical patent/WO2011120449A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096—Indication of changes in allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/38—Connection release triggered by timers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0087—Timing of allocation when data requirements change

Definitions

  • the DRX mechanism of LTE considers the arrival model of data services, that is, the arrival of data packets is bursty (it can be understood that once a data packet arrives, more packets arrive in a shorter time).
  • the LTE DRX process uses a variety of timers and is combined with the HARQ (Hybrid-ARQ, hybrid automatic repeat request) process to achieve better power saving performance.
  • HARQ RTT Red-Trip Time timer: It is only applicable to DL (Downlink). It makes it possible for the UE to not monitor the control channel before the next retransmission, so as to achieve better power saving effect. The UE will turn on this timer if it receives control signaling for HARQ transmission (initial transmission or retransmission). If the data in the corresponding HARQ process is unsuccessful after the previous HARQ transmission (the UE feeds back NACK), after the HARQ RTT timer expires, the UE turns on the drx-Retransmission timer.
  • the UE After the HARQ RTT timer2 times out, since the initial transmission of Process 2 is not decoded successfully, the UE turns on drx-Retransmission timer2. At time t4 before drx-Retransmission timer2 times out, the eNB schedules a retransmission of Process 2, and then the UE terminates drx-Retransmission timer2 and turns on HARQ RTT timer2.
  • DRX is also defined for power saving.
  • the definition of DRX in LTE-A is as follows: The UE uses the same DRX operation for all configured carriers, such as the same PDCCH active time, the definition. It just shows the same active time on each CC, and does not define the details of how the DRX timer operates. Based on the above definitions, DRX has the following two understandings:
  • On duration timer Configures the on duration of all CCs in the CC set to be consistent for the UE configuration.
  • the UE starts the timer by receiving the control signaling of the initial transmission of the HARQ on any CC in the CC set in the active time, and the UE continuously listens to all the activations before the timer expires. Control channel on the CC. If the UE receives the control signaling of the initial HARQ transmission on any CC in the active CC set before the drx-Inactivity timer expires, the drx-Inactivity timer will be restarted.
  • drx-Retransmission timer For process S, it is only applicable to DL. During the drx-Retransmission timer, the UE listens for control signaling and waits for retransmission scheduling of the corresponding HARQ process. The timer is stopped upon receipt of a schedule for retransmission of the process. Although the drx-Retransmission timer is controlled for one process, as long as the drx-Retransmission timer on any CC is running, the UE will listen to the PDCCH on all active CCs.
  • the active time of the UE includes the following time: On Duration Timer or drx-Inactivity timer or drx-Retransmission timer or mac-contentionResolutionTimer (race resolution timer) running time;
  • the DRX mechanism understands 2 as shown in Figure 6:
  • At least the drx-inactivity timer, the HARQ RTT timer, and the drx-Retransmission timer are based on CC maintenance. As long as any CC is active time, other CCs are also active time.
  • the timer operates as follows:
  • Short DRX cycle Timer For UE configuration, all CCs are consistent. After the Short cycle timer expires, the UE will use the Long cycle.
  • the UE For the CC configuration, the UE starts the timer by receiving the control signaling of the initial transmission of the HARQ on the corresponding CC in the active time. Before the timer expires, the UE continuously monitors the control channel on the corresponding CC. If the UE receives the control signaling of the initial HARQ transmission on the corresponding CC before the drx-Inactivity timer expires, the drx-Inactivity timer is terminated and restarted on the CC and the DL CC that schedules it. Although the drx-Inactivity timer is controlled for one CC, as long as the drx-inactivity timer on any CC is running, the UE will listen to the PDCCH on all active CCs.
  • HARQ RTT timer For process configuration, only for DL, if the UE receives control signaling of HARQ transmission (initial transmission or retransmission) on the corresponding CC, the timer will be started. If the data in the corresponding HARQ process is not successfully decoded after the previous HARQ transmission (the UE feeds back NACK), after the HARQ RTT timer expires, the UE turns on the drx-Retransmission timer. If the data in the corresponding HARQ process is successfully decoded after the previous HARQ transmission (the UE feeds back the ACK), after the HARQ RTT timer expires, the UE does not start the drx-Retransmission timer. If only the HARQ RTT timer is currently running, the UE does not listen to the control channel.
  • drx-Retransmission timer For process S, it is only applicable to DL. During the drx-Retransmission timer, the UE listens for control signaling and waits for retransmission scheduling of the corresponding HARQ process. The timer is stopped upon receipt of a schedule for retransmission of the process. Although the drx-Retransmission timer is controlled for one process, as long as any one The drx-Retransmission timer on each CC operates, and the UE will monitor the PDCCH on all activated CCs.
  • On Duration timer or any CC has drx-Inactivity timer or drx-Retransmission timer or mac-contentionResolutionTimer running time;
  • the UE in the CC set can be further configured to perform the carrier activation/deactivation operation according to the current service condition of the UE. For the deactivated carrier, the UE does not need to monitor the PDCCH again, so that a better power saving effect can be achieved.
  • the LTE-A system stipulates that the PCC of the UE does not allow activation/deactivation, and is always activated by default, and the SCC in the configuration CC set is deactivated by default. If these SCCs are needed, the carrier activation operation needs to be performed first.
  • the current protocol has stipulated that the carrier activation/deactivation operation in the multi-carrier system can be performed in an explicit manner, that is, using a carrier activation/deactivation MAC CE (MAC control element). In this manner, the eNB controls the UE to activate and deactivate the SCC through RRC signaling.
  • Embodiments of the present invention provide a method and device for carrier deactivation to implement implicit deactivation in a multi-carrier system.
  • the embodiment of the invention provides a method for carrier deactivation, which is applied to a multi-carrier system, and the method includes:
  • An embodiment of the present invention provides a user terminal, including:
  • the deactivation unit is configured to deactivate the corresponding DL SCC if the carrier deactivation timer expires.
  • FIG. 1 is a schematic diagram of a basic principle of a DRX in the prior art
  • FIG. 4 is a schematic diagram of a CA technology in LTE-A in the prior art
  • FIG. 5 is a schematic diagram of an understanding of the DRX mechanism in the prior art
  • FIG. 6 is a schematic diagram of the DRX mechanism understanding 2 in the prior art
  • FIG. 8 and FIG. 9 are diagrams showing an example of an implicit deactivation method in the first case
  • FIG. 10 is a schematic diagram of a de-activation timer maintenance mode in the second case of the embodiment of the present invention.
  • FIG. 11 and FIG. 12 are diagrams showing an example of an implicit deactivation method in the second case
  • FIG. 13 is a schematic diagram of a de-activation timer maintenance mode in the third case of the embodiment of the present invention
  • 17 is a schematic diagram of a de-activation timer maintenance mode in a fourth embodiment of the present invention.
  • FIG. 18 and FIG. 19 are diagrams showing an example of an implicit deactivation method in the fourth case
  • FIG. 20 is a schematic diagram of another de-activation timer maintenance mode in the fourth case of the embodiment of the present invention.
  • FIG. 21 is a schematic structural diagram of a user terminal according to an embodiment of the present invention. detailed description
  • the time length configuration of the de-activation timer is first introduced.
  • the length of the de-activation timer is configured by RRC signaling.
  • the specific configuration includes the following two types:
  • the length of time configured for the de-activation timer needs to be at least longer than the HARQ RTT, and there is a certain margin to ensure that the UE will not be deactivated before it can receive the scheduling signaling for retransmission.
  • the following is a method for performing implicit carrier deactivation using a timer provided in the embodiment of the present invention by using a de-activation timer.
  • the de-activation timer is based on the UE or the CC-based configuration and whether the UE is configured with the DRX or the de-activation timer is not the same.
  • the following describes the possible maintenance mode of the de-activation timer for different scenarios.
  • the de-activation timer is based on the UE configuration.
  • the de-activation timer is based on the UE maintenance, and the de-activation timer maintenance mode is shown in Figure 7, which includes:
  • Step 701 The UE starts/restarts a de-activation timer of the UE after receiving the DL initial transmission or retransmission scheduling signaling for any one DL SCC.
  • the UE may also start/restart the de-activation timer after receiving the initial signaling for the UL CC or the scheduling signaling of the retransmission on any one of the DL SCCs.
  • the UE is on any one of the DL SCCs.
  • start/restart the de-activation timer of the UE After receiving the initial transmission for the UL CC or the HARQ feedback of the retransmission is NACK, start/restart the de-activation timer of the UE, where the UL CC may be any UL CC.
  • the UE may start or restart the de-activation timer according to one of the foregoing methods for starting/restarting the de-activation timer of the UE.
  • Start/re-selecting in the embodiment of the present invention indicates that the UE starts or re-selects. Pass
  • Step 702 When the de-activation timer expires, if any DL SCC can schedule the UL CC to have process data hangs (that is, there is data in the HARQ buffer), the shell 1 J restarts the de-activation timer.
  • the UE may be combined with any one or more of the methods of starting or restarting the de-activation timer in step 701 according to the manner of restarting the de-activation timer in this step, or may be restarted in this step separately. -activation timer mode.
  • Step 703 When the de-activation timer expires, all DL sccs of the UE are deactivated.
  • CC1, CC2, and CC3 where CC1 is DL PCC, CC2 and CC3 are DL SCC, as shown in Figure 8, de-activation timer maintenance and implicit go
  • CC1 is DL PCC
  • CC2 and CC3 are DL SCC
  • T2 Because the downlink data of process 1 on CC1 includes the carrier activation MAC CE that activates CC2 and CC3, CC1 and CC3 should be activated after the UE parses the data packet, and the UE starts the de-activation timer;
  • T3 The UE receives the scheduling for the initial transmission of process 1 on CC2, at which time the UE should restart the de-activation timer;
  • T5 The initial transmission of process 1 on CC3 is successful before the de-activation timer of the UE is timed out;
  • T6 The UE receives the scheduling signaling for the retransmission of the process 1 on the CC2 at time T6, and restarts the de-activation timer;
  • T7 The process 1 of the UE on CC2 is successfully transmitted before the de-activation timer of the UE is timed out;
  • T8 The UE's de-activation timer expires at the time of T8 and at this time There is no process hang on the UL CC that can be scheduled by the DL SCC, so the UE can implicitly deactivate all activated DL SCCs, that is, CC2 and CC3 at time T8.
  • the maintenance mode of the de-activation timer can also be:
  • the UE is configured with three DL CCs, which are labeled as CC1, CC2, and CC3, respectively, where CC1 is DL PCC, CC2 and CC3 are DL SCC, and the maintenance of the 'de deactivation timer and the implicit deactivation mechanism are as follows.
  • T4 and T8 T4 does not need to restart the de-activation timer for retransmission, and T8 only needs to judge whether the de-activation timer expires.
  • the de-activation timer is based on the CC configuration, and the de-activation timer is based on the CC maintenance.
  • the de-activation timer is maintained as shown in Figure 10, including:
  • Step 1002 The UE starts or restarts a de-activation timer corresponding to the DL SCC after receiving scheduling signaling for initial transmission or retransmission of a certain UL CC on a certain DL SCC, and/or the UE is in a certain DL SCC. Received on a UL CC After the initial transmission or the retransmitted HARQ feedback is NACK, the de-activation timer corresponding to the DL SCC is started or restarted.
  • Step 1003 When the de-activation timer of a certain DL SCC is about to expire, if the process data of the UL CC that can be scheduled by the DL SCC is suspended, the de-activation timer corresponding to the DL SCC is restarted.
  • the UE may use the method of restarting the de-activation timer in this step in combination with any one or more of the steps of starting or restarting the de-activation timer in step 1002, or may use the restart in this step separately. -activation timer mode.
  • the UE is configured with three DL CCs, labeled CC1, CC2, and CC3, where CC1 is DL PCC, CC2 and CC3 are DL SCC, and CC-based de-activation timer maintenance mechanism: 3 ⁇ 4.
  • the de-activation timer maintenance and implicit deactivation mechanisms include:
  • T1 The UE receives the scheduling signaling for the CC1 downlink and the data transmission of the corresponding downlink process 1 on the CC1.
  • the data block transmitted by the downlink process 1 of the CC1 includes a carrier activated MAC CE, and the MAC CE can activate the carriers CC2 and CC3. ;
  • T2 Since the downlink data of process 1 on CC1 includes the carrier activation MAC CE that activates CC2 and CC3, CC1 and CC3 should be activated after the UE parses the data packet, and the UE starts its corresponding for DL CC2 and CC3 respectively. Deactivate the timer de-activation timer2 and de-activation timer3;
  • T4 The UE receives the scheduling of the initial transmission of the process 1 on the CC3 at time T4. At this time, the UE should restart the deactivation timer deactivation timer corresponding to CC3;
  • T6 The UE receives the scheduling signaling for the retransmission of the process 1 on the CC2 at the time of the T6, and the UE should restart the deactivation timer de-activation timer 2 corresponding to the CC2;
  • T8 At time T8, the UE's de-activation timer 3 on CC3 times out and at this time no process data hangs on the UL CC that the DL SCC can schedule, so CC3 can be implicitly deactivated at time T8;
  • T9 At time T9, the UE's de-activation timer 2 on CC2 times out and at this time there is no process pending on the UL CC that the DL SCC can schedule, so CC2 can be implicitly deactivated at time T9.
  • the maintenance mode of the de-activation timer can also be:
  • the UE receives scheduling signaling for the initial transmission on the DL SCC or its schedulable DL SCC on a certain DL SCC, and then starts/restarts the de-activation timer on the DL SCC and its scheduled DL SCC;
  • the UE starts/restarts the de-activation timer of the UE on the DL SCC; and the above two startup/restart
  • the de-activation timer can be used alone or in combination.
  • the de-activation timer of the UE on a certain DL SCC times out, the DL SCC is deactivated.
  • the de-activation timer is required to be long enough to ensure the initial transmission of the UE on the DL SCC and all DL or UL CCs that it can schedule before the de-activation timer expires on the DL SCC. Retransmission can be done. In this way, it should also be noted that any UE DL SCC is activated to start or restart the UE's de-activation timer on the DL SCC.
  • T6 For retransmission on CC2, there is no need to restart de-activation timer2;
  • T8 For CC2, only need to judge the de-activation timer2 timeout to deactivate the DL SCC;
  • T9 It is only necessary to judge the de-activation timer3 timeout on CC3 to activate the DL SCC.
  • the de-activation timer is based on the UE configuration, the UE is configured with the DRX, and the DR-based understanding is performed.
  • the de-activation timer is maintained based on the UE.
  • the maintenance mode of the de-activation timer is as shown in FIG.
  • Step 1301 The UE receives the scheduling signaling of the DL initial transmission or retransmission for any one DL SCC, and needs to start/restart the de-activation timer of the UE.
  • the UE's de-activation timer can be started/restarted. It should be noted that the UE can start or restart the de-activation according to one or more of the above three methods of starting or restarting the de-activation timer. Timerlois
  • Step 1302 When process data is suspended on the UL CC that can be scheduled by any one of the DL SCCs, restart the de-activation timer of the UE at a time when the uplink retransmission scheduling signaling may be sent.
  • step 1303 can be directly executed without performing this step.
  • Step 1303 the de-activation timer expires, and the UE's drx-Inactivity timer and/or HARQ RTT timer/drx-Retransmission timer are not started or timed out, and the UE deactivates all DL SCCs.
  • the last two processes in the method can also be processed as follows: When the de-activation timer expires and the UE's drx-Inactivity timer/HARQ RTT timer/drx-Retransmission timer is not started or times out, if any DL SCC can If no process hangs on the scheduled UL CC, the de-activation timer is restarted, otherwise the UE deactivates all DL SCCs.
  • the UE may also determine whether the drx-inactivity timer of the user terminal is started or timed out. If the drx-inactivity timer of the user terminal is not started or times out, all DL SCCs are activated; the UE may also only judge the user terminal. Whether the HARQ RTT timer and the drx-Retransmission timer are started or timed out. If neither the HARQ RTT timer nor the drx-Retransmission timer is started or times out, all DL SCCs are deactivated.
  • the UE is configured with three DL CCs, labeled CC1, CC2, and CC3, where CC1 is DL PCC, CC2 and CC3 are DL SCC, and UE-based de-activation timer maintenance mechanism: 3 ⁇ 4.
  • the de-activation timer maintenance and implicit deactivation mechanisms include:
  • T1 The UE receives the scheduling signaling for the downlink of CC1 and the data transmission of the corresponding downlink process 1 on CC1. At this time, the UE should start the drx-Inactivity timer and the HARQ RTT timerll for the process 1 on CC1;
  • T3 The UE receives the scheduling for the initial transmission of the process 1 on the CC2. At this time, the UE should restart the drx-Inactivity timer and start the HARQ RTT timer 21 for the process 1 on the CC2. In addition, the implicit deactivation timer of the UE needs to be restarted. De-activation timer;
  • T6 The initial transmission of process 1 on CC3 is successful before the UE's de-activation timer and HARQ RTT timer31 have not timed out;
  • T7 The process 1 of the UE on CC2 is successfully transmitted before the de-activation timer of the UE and the HARQ RTT timer 21 are not timed out;
  • T8 The de-activation timer of the UE expires at time T8 and the drx-inactivity timer of the UE at this time and the HARQ RTT timer and the drx-Retransmission timer of any process on any CC of the UE are in the unstarted state, ⁇ port If the UE does not have a pending uplink transmission on all UL CCs that can be scheduled by the SCC, then all SCCs configured for the UE, that is, CC2 and CC3, should be implicitly deactivated at this time.
  • the UE After the UE receives the scheduling signaling for the DL initial transmission of any one DL SCC, it starts/restarts or the UE's de-activation timer, ⁇ , UE ⁇ -ii, which is received on the UL DL SCC for UL After the scheduling signaling of the initial transmission of the CC, it is required to start/restart the de-activation timer of the UE; when the UE's de-activation timer expires, all DL SCCs of the UE are deactivated.
  • the maintenance mode requires that the de-activation timer has a long time length, and needs to ensure that the initial transmission and the weight of all the DL SCCs of the UE and all UL CCs that can be scheduled before the UE's de-activation timer expires. Pass can be completed.
  • the UE is configured with three DL CCs, which are labeled CC1, CC2, and CC3, respectively, where CC1 is DL PCC, CC2 and CC3 are DL SCC, and the UE is configured based on the UE-configured de-activation timer maintenance mechanism. As shown, the maintenance of the de-activation timer and the implicit deactivation mechanism differ from Figure 14 in that:
  • T8 At time T8, the UE's de-activation timer expires to deactivate all SCCs configured for the UE, namely CC2 and CC3.
  • the maintenance mode of the de-activation timer can also be as shown in Figure 16, including:
  • Step 1601 When the drx-inactivity timer of the UE times out, start or restart the de-activation timer of the UE.
  • Step 1603 When the drx-Retransmission timer of any DL SCC of the UE times out, start or restart the de-activation timer of the UE.
  • Step 1604 When the de-activation timer expires and the drx-inactivity timer/HARQ RTT timer/drx-Retransmission timer of the UE is not started, and all the UL CCs that can be scheduled by all the DL SCCs of the UE have no process data suspension, the UE Deactivate all DL SCCs.
  • the UE may also determine whether the drx-inactivity timer of the user terminal is started or timed out. If the drx-inactivity timer of the user terminal is not started or times out, all the DL SCCs are deactivated; the UE may also only judge the user terminal. Whether the HARQ RTT timer and the drx-Retransmission timer are started or timed out. If neither the HARQ RTT timer nor the drx-Retransmission timer is started or times out, all DL SCCs are deactivated.
  • the maintenance mode of the de-activation timer can also be:
  • the de-activation timer of the UE When the drx-Inactivity timer of the UE times out, the de-activation timer of the UE is started/restarted; when the de-activation timer expires, all DL SCCs of the UE are deactivated. It should be noted that, in this manner, the length of the de-activation timer can be 0, may also be other values, as long as it can be guaranteed that the initial transmission and retransmission on all DL SCCs of the UE and all UL CCs that it can schedule can be completed before the UE's de-activation timer expires.
  • the de-activation timer is based on the CC configuration
  • the UE is configured with DRX, based on the DRX understanding 2
  • the de-activation timer is based on the CC maintenance.
  • the de-activation timer maintenance manner includes:
  • Step 1701 The UE receives scheduling signaling for DL initial transmission or retransmission for any one DL SCC, and starts/restarts the de-activation timer on the DL SCC and the DL SCC that schedules the DL SCC.
  • Step 1702 After receiving the initial signaling or retransmission scheduling signaling for a certain UL CC on the certain DL SCC, the UE needs to restart the de-activation timer corresponding to the DL SCC, and/or the UE is in a certain DL SCC. After receiving the initial transmission or retransmission HARQ feedback for a certain UL CC, the de-activation timer corresponding to the DL SCC is restarted after the NACK.
  • step 1703 can be directly executed without performing this step.
  • the UE may use the de-activation timer corresponding to the DL SCC in the step of restarting or restarting the de-activation timer corresponding to the DL SCC according to any one or more of the steps 1702.
  • the method of restarting the de-activation timer corresponding to the DL SCC in this step may also be used separately.
  • Step 1704 When the de-activation timer on a certain DL SCC times out, the drx-Inactivity timer/HARQ RTT timer/drx-Retransmission timer on the DL SCC is not started or times out, and the UE deactivates the DL SCC. It should be noted that, in this manner, any DL SCC is activated, and the UE needs to start a de-activation timer for the CC. There is no limit to the length of the de-activation timer in this way.
  • the last two processes in the method can also be processed as follows: When the de-activation timer on a DL SCC times out, the drx-Inactivity timer/HARQ RTT timer/drx-Retransmission timer on the DL SCC is not started or When the timeout expires and no process is suspended on any of the UL CCs that the DL SCC can schedule, the UE deactivates the DL SCC. It should be noted that the UE may also only determine whether the drx-Inactivity timer on the DL SCC is started or timed out.
  • the UE is configured with three DL CCs, labeled CC1, CC2, and CC3, where CC1 is DL PCC, CC2 and CC3 are DL SCC, then the de-activation timer maintenance mechanism based on CC configuration: 3 ⁇ 4 port Figure 18 As shown, the maintenance of the de-activation timer and the implicit deactivation mechanism include:
  • T6 The UE de-activation timer expires on CC3 at time T6 and the drx-Inactivity timer and the HARQ RTT timer and the drx-Retransmission timer on CC3 are in an inactive state, if at this time, the UL CC that can be scheduled on CC3 is also If there is no pending uplink transmission, CC3 should be implicitly deactivated.
  • T7 The UE receives the scheduling signaling for the retransmission of the process 1 on the CC2 during the drx-Retransmission timer 21 of the process 1 of the CC2, and the UE should start the HARQ RTT timer 2 and the CC2 on the CC2 for the process. Implicitly deactivate the timer de-activation timer2;
  • T8 The UE successfully receives the process 1 on the CC3 before the de-activation timer 2 and the HARQ RTT timer 21 on the CC2 are not exceeded;
  • the de-activation timer is required to be long enough to ensure that the UE is in the DL SCC and all DL/UL CCs that it can schedule before the de-activation timer expires on the DL SCC. Both the initial transmission and the retransmission can be completed. In this way, it is also necessary to note that any DL SCC of the UE is activated and needs to start/restart the UE's de-activation timer on the DL SCC.
  • T8 At time T8, the UE's de-activation timer on CC2 times out and the drx-Inactivity timer on CC2 should implicitly deactivate CC2.
  • Step 2004 when the de-activation timer of a certain DL SCC times out, the drx-Inactivity timer/HARQ RTT timer/drx-Retransmission timer for the DL SCC is not started, and none of the UL CCs that can be scheduled by the DL SCC are available.
  • the UE deactivates the DL SCC. It should be noted that the UE may also only determine whether the drx-Inactivity timer on the DL SCC is started or timed out.
  • the UE may also only judge the DL SCC. Whether the HARQ RTT timer and the drx-Retransmission timer are started or timed out. If neither the HARQ RTT timer nor the drx-Retransmission timer is started or times out, the DL SCC is deactivated.
  • the de-activation timer can be maintained in the following manner: When the drx-inactivity timer of the UE on the DL SCC times out, the de-activation timer of the UE is started or restarted, and the de-activation timer on the DL SCC is used. After the timeout, the UE deactivates the DL SCC.
  • the length of the de-activation timer may be 0, or may be other values, as long as the initial transmission of the UE on the DL SCC and all UL CCs that can be scheduled before the de-activation timer of the UE is guaranteed. Retransmission can be done.
  • the user terminal after receiving the explicit activation signaling, stops the drx-in activity timer corresponding to the DL SCC, and specifically includes: if the user terminal maintains a de-activation timer based on the UE, Then, the drx-Inactivity timer corresponding to the UE is stopped; if the user terminal maintains the de-activation timer based on the CC, the drx-Inactivity timer on the DL SCC corresponding to the explicit activation signaling is stopped.
  • the deactivation unit 12 is configured to deactivate the corresponding DL SCC if the carrier deactivation timer expires.
  • the carrier deactivation timer and its length are configured by RRC signaling, and the carrier deactivation timer and its length are based on DL SCC or user terminal configuration.
  • the carrier deactivation timer is maintained based on DL SCC or user terminal.
  • the maintenance unit 11 is further configured to:
  • a carrier deactivation timer corresponding to the user terminal is started or restarted after receiving scheduling signaling for initial transmission or retransmission of the UL CC on any one of the DL SCCs configured for the user terminal;
  • the carrier deactivation timer At the time when the carrier deactivation timer expires, if any one of the DL SCC-regulated UL CCs has process data pending, the carrier deactivation timer corresponding to the user terminal is restarted.
  • the time length of the carrier deactivation timer may be set to be greater than the maximum time required between two consecutive transmissions of a process on the DL SCC and the UL CC.
  • the maintenance unit 11 can also be used to:
  • a carrier deactivation timer corresponding to the user terminal is started or restarted after receiving scheduling signaling for initial transmission of the UL CC on any one of the DL SCCs configured for the user terminal.
  • the maintenance unit 11 can also be used to:
  • a carrier deactivation timer is initiated or restarted on any of the DL SCCs when scheduling signaling for UL CC initial transmission or retransmission is received on any of the DL SCCs configured for the user terminal;
  • the carrier deactivation timer is started or restarted on any of the DL SCCs;
  • the carrier deactivation timer is initiated or restarted on any of the DL SCCs when scheduling signaling for the initial transmission of the UL CC is received on any of the DL SCCs configured for the user terminal.
  • the maintenance unit 11 is further configured to: when the drx-inactivity timer of the user terminal times out, start or restart the carrier deactivation timer of the user terminal.
  • the maintenance unit 11 may be further configured to: start or restart a carrier deactivation timer of the user terminal when a HARQ RTT timer of any DL SCC of the user terminal times out; and/or when the user terminal is The drx-Retransmission timer of a DL SCC times out, The carrier deactivation timer of the user terminal is activated or restarted.
  • the maintenance unit 11 may be further configured to: when the user terminal times out the drx-inactivity timer on any DL SCC, start or restart a carrier deactivation timer on any one of the DL SCCs.
  • the maintenance unit 11 is further configured to: when the user terminal times out a HARQ RTT timer of any one of the DL SCCs, start or restart a carrier deactivation timer of any one of the DL SCCs; and/or when the user The terminal times out the drx-Retransmission timer of any one of the DL SCCs, and starts or restarts the carrier deactivation timer of any of the DL SCCs.
  • the time length of the carrier deactivation timer is greater than the maximum time required for a process on the DL SCC and the UL CC to start the retransmission.
  • the determining unit 13 is further configured to determine whether the drx-Inactivity timer of the user terminal is started or timed out; and/or determine whether the HARQ RTT timer and the drx-Retransmission timer of the user terminal are started or timed out.
  • the deactivation unit 12 is further configured to: when the determination result of the determining unit is not started or timed out, deactivate the DL SCC.
  • the determining unit 13 may be further configured to determine whether the drx-Inactivity timer on the DL SCC is started or timed out; and/or determining whether the HARQ RTT timer and the drx-Retransmission timer on the DL SCC are started or timed out;
  • the activation unit 12 is further configured to: when the determination result of the determining unit is not started or timed out, deactivate the DL SCC.
  • the method further includes:
  • the carrier deactivation timer is maintained according to the data and the transmission requirement of the control information on the downlink secondary carrier DL SCC, and the corresponding DL SCC is deactivated when the carrier deactivation timer expires, thereby providing LTE-A system Implicit deactivation mechanism in .

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

Abstract

L'invention porte sur un procédé et un dispositif de désactivation de porteuses, qui sont appliqués à un système multiporteuse. Le procédé comprend les étapes suivantes : maintien d'un temporisateur de désactivation de porteuse, en fonction de données sur une porteuse composante secondaire de liaison descendante (DL SCC) et d'exigences de transmission d'informations de commande ; désactivation de la DL SCC, si le temporisateur de désactivation de porteuse expire.
PCT/CN2011/072435 2010-04-02 2011-04-02 Procédé et dispositif de désactivation de porteuses Ceased WO2011120449A1 (fr)

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CN201010141126 2010-04-02
CN201010141126.2 2010-04-02
CN2010102468836A CN102104465B (zh) 2010-04-02 2010-08-06 载波去激活的方法和设备
CN201010246883.6 2010-08-06

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WO2011120449A1 true WO2011120449A1 (fr) 2011-10-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2391046A3 (fr) * 2010-04-02 2016-06-01 Acer Incorporated Procédé de manipulation d'activation et de désactivation de support de composants et son dispositif de communication

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140101830A (ko) 2011-08-12 2014-08-20 인터디지탈 패튼 홀딩스, 인크 무선 시스템에서의 융통성있는 대역폭 동작을 위한 다운링크 리소스 할당
WO2015000139A1 (fr) * 2013-07-02 2015-01-08 华为技术有限公司 Procédé, appareil et système d'allocation d'autorisation
CN104853372B (zh) * 2014-02-17 2019-11-05 中兴通讯股份有限公司 一种减少ue释放次数的方法、装置及基站
KR102071393B1 (ko) 2017-09-06 2020-03-02 엘지전자 주식회사 무선 통신에서의 자원 관리
CN111406394A (zh) * 2018-02-12 2020-07-10 Oppo广东移动通信有限公司 传输数据的方法和设备
CN110213839B (zh) 2018-02-28 2022-03-01 中兴通讯股份有限公司 管理wlan状态的方法及装置、存储介质、电子装置
CN110324890B (zh) * 2018-03-30 2022-05-17 维沃移动通信有限公司 部分带宽激活定时器的控制方法及终端
CN110475391B (zh) * 2018-05-09 2021-10-26 大唐移动通信设备有限公司 非连续接收定时器的控制方法、装置、终端及基站
WO2020107479A1 (fr) * 2018-11-30 2020-06-04 Oppo广东移动通信有限公司 Procédé de transmission de données, dispositif terminal, et dispositif de réseau
CN113574960B (zh) 2019-08-21 2024-06-04 Oppo广东移动通信有限公司 信道监听方法、装置、终端、基站和存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101536446A (zh) * 2006-11-02 2009-09-16 Lm爱立信电话有限公司 用于降低papr的子载波激活和去激活
CN101600245A (zh) * 2009-06-30 2009-12-09 中兴通讯股份有限公司 双载波hsdpa中辅载波激活与去激活方法及装置
CN101651851A (zh) * 2008-08-11 2010-02-17 华为技术有限公司 一种多载波模式下去激活载波的方法、装置及通信系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7859985B2 (en) * 2004-03-22 2010-12-28 Texas Instruments Incorporated Control on at least one frequency selecting data carrier frequencies

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101536446A (zh) * 2006-11-02 2009-09-16 Lm爱立信电话有限公司 用于降低papr的子载波激活和去激活
CN101651851A (zh) * 2008-08-11 2010-02-17 华为技术有限公司 一种多载波模式下去激活载波的方法、装置及通信系统
CN101600245A (zh) * 2009-06-30 2009-12-09 中兴通讯股份有限公司 双载波hsdpa中辅载波激活与去激活方法及装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2391046A3 (fr) * 2010-04-02 2016-06-01 Acer Incorporated Procédé de manipulation d'activation et de désactivation de support de composants et son dispositif de communication

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