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WO2010124452A1 - Procédé, appareil et système de commande de transmission en accès par paquets en liaison montante haut débit multiporteuse - Google Patents

Procédé, appareil et système de commande de transmission en accès par paquets en liaison montante haut débit multiporteuse Download PDF

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Publication number
WO2010124452A1
WO2010124452A1 PCT/CN2009/071529 CN2009071529W WO2010124452A1 WO 2010124452 A1 WO2010124452 A1 WO 2010124452A1 CN 2009071529 W CN2009071529 W CN 2009071529W WO 2010124452 A1 WO2010124452 A1 WO 2010124452A1
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WO
WIPO (PCT)
Prior art keywords
carrier
dtx
cycle
time interval
downlink control
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/CN2009/071529
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English (en)
Chinese (zh)
Inventor
马洁
周欢
贺传峰
杨波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Device Shenzhen Co Ltd
Original Assignee
Shenzhen Huawei Communication Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Huawei Communication Technologies Co Ltd filed Critical Shenzhen Huawei Communication Technologies Co Ltd
Priority to PCT/CN2009/071529 priority Critical patent/WO2010124452A1/fr
Priority to CN2009801237488A priority patent/CN102187703A/zh
Publication of WO2010124452A1 publication Critical patent/WO2010124452A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method, an apparatus, and a system for controlling a multi-carrier high-speed uplink packet access (HSUPA) transmission mode.
  • HSUPA high-speed uplink packet access
  • UMTS Universal Mobile Telecommunications System
  • WCDMA Wideband Code Division Multiple Access
  • the UMTS system is generally called a WCDMA communication system.
  • the 3GPP (3rd Generation Partnership Project) has passed the HSPA (High Speed Packet Access) evolution research project.
  • HSPA High Speed Packet Access
  • the challenge is still the need for continuous reception and transmission, which requires the RF component to operate full time during voice and data calls.
  • High Speed Downlink Packet Access /HSUPA (High Speed Uplink Packet Access) introduces DTX (Discontinuous Transmission) / DRX (Discontinuous Reception) scheme. It helps to reduce the power consumption of burst data services and low-speed packet data services such as VoIP, or IP-based voice services.
  • the physical control channel is transmitted in the uplink direction even if there is no data channel activation, and it is improved in Release 7.
  • the UE When there is no user plane data to be transmitted, the UE
  • the uplink DPCCH discontinuous transmission is activated, and may also be activated or deactivated by downlink shared control channel signaling (HS-SCCH order).
  • HS-SCCH order downlink shared control channel signaling
  • the uplink DPCCH defines two DTX periods: the set value UE_DTX_cycle-1 and another set value UE_DTX_cycle-2.
  • UE_DTX_cycle-1 indicates the length of time of a certain predetermined number of subframes
  • UE_DTX_cycle-2 indicates the length of time of another predetermined value of subframes, and others are similar.
  • UE_DTX_cycle-1 "UE-DTX-cycle-2”.
  • a certain radio frame starts to perform DTX of the uplink DPCCH at a periodic interval of UE_DTX_cycle-1, and if there is an E-DCH (Enhanced Dedicated Channel) transmission in UE_DTX_cycle_1, UE_DTX is maintained.
  • E-DCH Enhanced Dedicated Channel
  • cycle-1 is the DTX of the upstream DPCCH for the periodic interval.
  • the uplink DPCCH performs DTX with a period of UE_DTX_cycle-2,
  • the set time window is Inactivity - Threshold - for - UE - DTX - cycle - 2.
  • Upstream DPCCH During DTX, if there is a channel transmission other than DPCCH in a certain time slot, the DPCCH needs to be sent in this time slot.
  • a multi-carrier WCDMA communication system is proposed based on the existing single-carrier WCDMA communication system.
  • the WCDMA system introduces dual-carrier simultaneous operation to the uplink, further increasing the uplink data transmission rate.
  • the base station selects a better carrier for scheduling (this carrier is called a scheduling carrier) to obtain throughput gain.
  • this carrier is called a scheduling carrier
  • the present invention provides a control method, apparatus and system for a multi-carrier HSUPA transmission mode, which sets a transmission mode of a non-scheduled carrier.
  • a method for controlling a multi-carrier HSUPA transmission mode includes: transmitting downlink control signaling to a UE, where the downlink control signaling is used to indicate a DPCCH burst of an uplink non-scheduled carrier of a UE (DPCCH burst) Sending discontinuous transmission in cycles of UE-DTX_cycle-2 or periodically at predetermined time intervals; wherein, the predetermined time interval > UE - DTX - cycle - 2.
  • a method for controlling a transmission mode of a multi-carrier HSUPA includes: receiving downlink control signaling sent by a network side, where the downlink control signaling is used to indicate a DPCCH of an uplink non-scheduled carrier of a UE
  • the burst is discontinuously transmitted in a period of UE_DTX_cycle-2 or discontinuously transmitted at a predetermined time interval; wherein the predetermined time interval >
  • the DPCCH burst of the uplink non-scheduled carrier to be discontinuously transmitted in a period of UE_DTX_cycle-2 or discontinuously transmitted in a periodic time interval.
  • An embodiment of the present invention provides a network device, including:
  • a sending unit configured to send downlink control signaling to the UE, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is discontinuously transmitted in a period of UE_DTX_cycle-2 or at a predetermined time
  • the interval is a periodic discontinuous transmission; wherein the predetermined time interval is > UE_DTX_cycle-2.
  • An embodiment of the present invention is a UE, including:
  • a receiving unit configured to receive downlink control signaling that is sent by the network side device, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is discontinuously sent by using the UE-DTX-cycle-2 Or discontinuously transmitting at a predetermined time interval; wherein, the predetermined time interval > UE - DTX - cycle - 2;
  • control unit configured to control, according to the downlink control signaling received by the receiving unit, a DPCCH burst of the uplink non-scheduled carrier to be discontinuously transmitted in a period of UE_DTX_cycle-2 or discontinuously transmitted at a predetermined time interval .
  • a network device configured to send downlink control signaling to the UE, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is discontinuously transmitted in a period of UE-DTX-cycle-2 or at a predetermined time.
  • the interval is a periodic discontinuous transmission; wherein, the predetermined time interval > UE - DTX - cycle - 2;
  • a UE configured to receive downlink control signaling delivered by the network device, and according to the downlink control The signaling, the DPCCH burst that controls the uplink non-scheduled carrier is discontinuously transmitted in a period of UE_DTX_cycle-2 or discontinuously transmitted in a periodic time interval.
  • the method, device and system for controlling the transmission mode of the multi-carrier HSUPA specify the DPCCH burst of the uplink non-scheduled carrier of the UE by the downlink control signaling to be a period of UE_DTX_cycle-2 or another predetermined time interval.
  • the discontinuous transmission can set the transmission mode of the non-scheduled carrier, so that the non-scheduled carrier can enter the transmission mode with less power consumption, thereby reducing the power consumption of the UE on the non-scheduled carrier and improving the throughput of the system.
  • FIG. 1 is a flowchart of a method for controlling a transmission mode of a multi-carrier HSUPA according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for controlling a transmission mode of a multi-carrier HSUPA according to another embodiment of the present invention
  • FIG. 3 is a schematic diagram of an application of the embodiment shown in FIG. 2 in the scene;
  • FIG. 4 is a schematic diagram of an application of the embodiment shown in FIG. 2 in scenario 2;
  • FIG. 5 is a schematic diagram of an application of the embodiment shown in FIG. 2 in scenario 3;
  • FIG. 6 is a schematic diagram of an application of the embodiment shown in FIG. 2 in scenario 4;
  • FIG. 7 is a schematic diagram of a network device according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a network device according to another embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a UE according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a network system according to an embodiment of the present invention.
  • An embodiment of the present invention provides a method for controlling a multi-carrier HSUPA transmission mode, including: transmitting downlink control signaling to a UE, where the downlink control signaling is used to indicate a DPCCH burst of an uplink non-scheduled carrier of the UE by UE-DTX - cycle - 2 is a discontinuous transmission of a period or a discontinuous transmission of a period at a predetermined time interval; wherein the predetermined time interval > UE - DTX - cycle - 2.
  • the UE after receiving the downlink control signaling, the UE can control the DPCCH burst of the non-scheduled subcarrier according to the signaling to perform discontinuous transmission in the period specified in the control signaling, and can send the uplink carrier.
  • the mode is set to achieve the purpose of controlling the transmission mode of the unscheduled carrier.
  • another embodiment of the present invention provides a method for controlling a transmission mode of a multi-carrier HSUPA, including:
  • the downlink control signaling sent by the network side is received, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is discontinuously transmitted in a period of UE_DTX_cycle-2 or at a predetermined time.
  • the interval is a periodic discontinuous transmission; wherein, the predetermined time interval > UE - DTX - cycle - 2;
  • Control according to the received downlink control signaling, a DPCCH burst of the uplink non-scheduled carrier to be discontinuously transmitted in a period of UE_DTX_cycle-2 or discontinuously transmitted in a periodic time interval.
  • the method further includes: setting a scheduling frequency according to a multi-carrier HSUPA (High Speed Uplink Packet Access) and/or a UE-DTX-cycle-2
  • the length of time of the predetermined time interval is such that the non-scheduled carrier can operate stably in multi-carrier scheduling.
  • the carrier can enter the DPCCH burst with the UE-DTX-cycle-2 cycle. In the state where the above conditions are not met, the carrier cannot enter the state in which the DPCCH burst is transmitted in the period of UE_DTX_cycle-2.
  • an embodiment of the present invention The method for controlling the transmission mode of the multi-carrier HSUPA, by transmitting downlink control signaling to the UE by the network side, in which the DPCCH burst of the non-scheduled carrier on the UE is specified in the UE-DTX-cycle-2 as a discontinuity
  • the UE can learn, according to the signaling, that the DPCCH burst of the non-scheduled carrier should be discontinuously transmitted in the period of UE_DTX_cycle-2, so that after receiving the carrier switching command subsequently,
  • the non-scheduled carrier can be quickly controlled to enter a state in which discontinuous transmission is performed in a period of UE-DTX_cycle-2.
  • the method for controlling the transmission mode of the multi-carrier HSUPA in the embodiment of the present invention may further, by the network side, transmitting downlink control signaling to the UE, where the DPCCH burst of the non-scheduled carrier on the UE is specified in the signaling for a predetermined time.
  • the interval is discontinuously transmitted for a period, and the predetermined time interval is > UE-DTX_cycle-2. Therefore, the power consumption of the UE on the non-scheduled carrier can be reduced, and the system throughput can be improved.
  • the transmission mode of the non-scheduled carrier in the following embodiments may include: a first transmission mode, a second transmission mode, or a third transmission mode.
  • the first transmission mode is a DTX mode of the existing DPCCH.
  • the first transmission mode specifically comprises: when the start-carriers UE-DTX- cycle- 1 discontinuous transmission cycle of uplink DPCCH burst 0 if E-DCH transmission within 1 UE-DTX- cycle-, is held in a UE-DTX- Cycle-1 is a discontinuous transmission of DPCCH burst for a period; if there is no E-DCH transmission within a set time window, the DPCCH burst is discontinuously transmitted with a period of UE_DTX_cycle-2, and the set time window is Inactivity - Threshold - for - UE - DTX - cycle - 2.
  • the DPCCH burst in which the second transmission mode is a carrier is transmitted at a second predetermined time interval, that is, the above-mentioned UE-DTX_cycle-2.
  • the DPCCH burst in which the third transmission mode is a carrier is transmitted at a third predetermined time interval greater than the second predetermined time.
  • the third predetermined time interval is referred to as UE-DTX_cycle-3.
  • FIG. 2 it is a flowchart of a control method of a transmission mode of a multi-carrier HSUPA according to an application embodiment of the present invention.
  • the method of this embodiment may include the following steps:
  • the base station sends downlink control signaling to the UE, where the signaling indicates that the UE is not scheduled by the uplink.
  • the base station may indicate that the uplink non-scheduled carrier of the UE enters the first transmission mode, the second transmission mode, or the third transmission mode.
  • the UE learns the mode that the non-scheduled carrier should enter after the carrier switching.
  • E-AGCH E-DCH Absolute Grant Channel
  • HS-SCCH order Shared Control Channel for High Speed-Downlink Shared Channel order
  • HS-SCCH order Shared Control Channel for High Speed-Downlink Shared Channel order
  • the E-AGCH signaling is used to indicate which carrier is the scheduled carrier and which carrier is the non-scheduled carrier, the signaling can achieve the purpose of carrier switching.
  • the UE controls the non-scheduled carrier to enter the transmission mode specified in S201 according to the received E-AGCH signaling. Since the non-scheduled carrier enters the transmission mode specified in S201, the unscheduled carrier and the scheduling carrier can be in different transmission modes.
  • the network-side device sends downlink control signaling to the UE, and the uplink non-scheduled carrier of the UE is designated to enter the first transmission mode and the second transmission in the signaling.
  • the UE can control the non-scheduled carrier to enter the specified transmission mode according to the signaling, and can implement a mode for controlling the non-scheduled carrier to enter a small power consumption, thereby reducing the UE in the mode. Power consumption on non-scheduled carriers increases system throughput.
  • the UE in addition to being able to control the non-scheduled carrier to enter the specified transmission mode when the two carriers are switched, the UE can also control the non-scheduled carrier to enter the corresponding manner for the handover condition of more than two carriers.
  • the sending mode in addition to being able to control the non-scheduled carrier to enter the specified transmission mode when the two carriers are switched, the UE can also control the non-scheduled carrier to enter the corresponding manner for the handover condition of more than two carriers.
  • the sending mode in addition to being able to control the non-scheduled carrier to enter the specified transmission mode when the two carriers are switched, the UE can also control the non-scheduled carrier to enter the corresponding manner for the handover condition of more than two carriers.
  • the UE uplink carrier is carrier 1 and carrier 2.
  • both uplink carrier 1 and carrier 2 transmit data.
  • carrier 1 carrier 2 is assumed to be the first transmission mode, that is, the existing DTX transmission mode.
  • the uplink DPCCH burst of carrier 1 and carrier 2 is transmitted in the period of 0 to 10 ms in the period of UE_DTX_cycle-1. It should be noted that the initial state of carrier 1 carrier 2 can also be the DPCCH continuous transmission mode.
  • the base station indicates that the non-scheduled carrier on the UE enters the third transmission mode by using downlink control signaling sent to the UE. After receiving the signaling, the UE learns the mode that the non-scheduled carrier should enter after the carrier switching.
  • the base station sends an E-AGCH (E-DCH Absolute Grant Channel) signaling to the UE, where the signaling indicates that the UE carrier 2 is a scheduling carrier, and the carrier 1 is a non-scheduled carrier.
  • E-AGCH E-DCH Absolute Grant Channel
  • the UE receives E-AGCH signaling between 10 and 12 ms.
  • the E-AGCH signaling may be combined with the foregoing signaling indicating that the non-scheduled carrier enters the third transmission mode: when there is data transmission on the carrier 2, the original transmission mode is maintained; and no data is transmitted on the carrier 1 to enter the third transmission. mode.
  • the UE controls the carrier 1 to enter the third transmission mode after 12 ms. 1 is no longer transmitting data on a carrier, the third transmission mode, i.e. UE-DTX- cycle- time interval 3 transmits DPCCH burst 0 to 3, on a DPCCH burst is 8 - transmission time of 10ms, Since the third transmission mode is entered, the next DPCCH burst is transmitted after the time interval of UE_DTX_cycle-3, that is, 32 to 34 ms.
  • the carrier 2 is a scheduling carrier, and the UE maintains the transmission mode of the carrier as the first transmission mode.
  • the uplink DPCCH burst is sent in the period of UE-DTX_cycle-1. If there is no E-DCH transmission in the Inactivity-Threshold-for-UE-DTX-cycle-2 subframes, the uplink DPCCH burst is UE- DTX—cycle—2 is a periodic transmission.
  • the base station makes different handover decisions according to the carrier condition, for example, if carrier 1 is desired as the scheduling carrier and carrier 2 is the non-scheduled carrier, then the E-AGCH signaling or other downlink information can still be used. Let the UE be notified to re-control the transmission mode of each carrier.
  • the uplink carrier 1 and the carrier 2 of the UE transmit data in the initial state. It is assumed that carrier 1 is in the continuous DPCCH transmission mode, carrier 2 is in the first transmission mode, and the uplink DPCCH burst of carrier 2 is transmitted in the period of UE_DTX_cycle-1 between 0 and 10 ms. .
  • the base station indicates the UE by using downlink control signaling, and the non-scheduled carrier enters the third transmission mode.
  • the base station notifies the UE through E-AGCH signaling that carrier 1 is a non-scheduled carrier and carrier 2 is a scheduling carrier.
  • E-AGCH signaling refer to the E-AHCH signaling received by the UE between 10 and 12 ms in Figure 4.
  • the UE controls the carrier 1 to enter the third transmission mode after 12 ms. Therefore, no data is transmitted on carrier 1, and the DPCCH burst is transmitted in the third transmission mode, that is, at the time interval of UE_DTX_cycle-3.
  • the next DPCCH burst is transmitted after the time interval of UE_DTX_cycle-3, that is, 34 to 36 ms.
  • the transmission mode of the unscheduled carrier can be controlled to implement carrier switching quickly.
  • the UE uplink carrier is carrier 1 and carrier 2, and uplink carrier 1 and carrier 2 both transmit data.
  • FIG. 5 assumes that carrier 1 is a continuous DPCCH transmission mode; carrier 2 is a first transmission mode. And the uplink DPCCH burst of carrier 2 is transmitted in the period of UE_DTX_cycle-1 between 0 and 10 ms.
  • the base station informs the UE that the non-scheduled carrier enters the second transmission mode by using downlink control signaling, that is, sends the DPCCH burst at a time interval of UE_DTX_cycle-2.
  • the base station makes a decision according to each carrier condition, and informs the UE that carrier 1 is a non-scheduled carrier by E-AGCH signaling, and carrier 2 is a scheduling carrier.
  • E-AGCH signaling received by the UE between 10 and 12 ms in FIG.
  • the UE After receiving the E-AGCH signaling, the UE controls the carrier 1 to enter the second transmission mode, that is, the DPCCH burst is sent at a time interval of UE_DTX_cycle-2.
  • the UE does not control and maintains the original first transmission mode.
  • the UE after receiving the E-AGCH signaling, the UE sends the DPCCH at the time interval of UE_DTX_cycle-1 for the time indicated in the figure. Burst, and triggers the transmission of the DPCCH burst in the subframe with E-DCH transmission.
  • the UE uplink carrier is carrier 1 and carrier 2, and both uplink carrier 1 and carrier 2 transmit data, and it is assumed that carrier 1 and carrier 2 are both in the first transmission mode.
  • the base station indicates the UE by using downlink control signaling, and the non-scheduled carrier enters the first transmission mode.
  • the base station makes a decision according to each carrier condition, and informs the UE that the carrier 1 is a non-scheduled carrier and the carrier 2 is a scheduling carrier through E-AGCH signaling.
  • E-AGCH signaling For the signaling, reference may be made to the E-AGCH signaling received by the UE between 10 and 12 ms in FIG.
  • MC-HSUPA Multi-Carrier HSUPA, Multi-Carrier HSUPA
  • the number of users is large, and the system load is heavy, and a UE with multi-load demand can transmit data on multiple carriers at the same time to obtain a larger data rate.
  • the handover of the multi-carrier HSUPA transmission mode is introduced, which can alleviate the problem of uplink interference and excessive cell load, reduce RoT (Raise Over Thermal), and optimize system performance.
  • Embodiments of the present invention reduce the power consumption of the UE on non-scheduled carriers and increase the throughput of the system.
  • an embodiment of the present invention further provides a network device, including:
  • the sending unit 701 is configured to send downlink control signaling to the UE, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is discontinuously transmitted or scheduled by the UE-DTX-cycle-2
  • the time interval is a periodic discontinuous transmission; wherein the predetermined time interval
  • another embodiment of the network device of the present invention further includes:
  • the setting unit 702 is configured to set the predetermined time interval according to a scheduling frequency of the multi-carrier high-speed uplink packet access and/or the UE-DTX_cycle-2 to provide the sending unit 701.
  • an embodiment of the present invention provides a UE, including:
  • the receiving unit 901 is configured to receive downlink control signaling that is sent by the network side device, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is sent by the UE-DTX-cycle-2 Continuously transmitting or discontinuously transmitting at a predetermined time interval; wherein, the predetermined time interval > UE - DTX - cycle - 2;
  • the control unit 902 is configured to control, according to the downlink control signaling received by the receiving unit 901, that the DPCCH burst of the uplink non-scheduled carrier is discontinuously transmitted in a period of UE_DTX_cycle-2 or The transmission is discontinuous at a predetermined time interval.
  • an embodiment of the present invention provides a network system, including:
  • the network device 1001 is configured to send downlink control signaling to the UE, where the downlink control signaling is used to indicate that the DPCCH burst of the uplink non-scheduled carrier of the UE is discontinuously transmitted or scheduled by the UE-DTX-cycle-2
  • the time interval is a periodic discontinuous transmission; wherein, the predetermined time interval > UE - DTX - cycle - 2;
  • the user equipment UE1002 is configured to receive downlink control signaling sent by the network device 1001, and control, according to the downlink control signaling, a DPCCH burst of the uplink non-scheduled carrier to be a UE-DTX-cycle-2 Continuous transmission or discontinuous transmission for a predetermined time interval.
  • the network device is further configured to set the predetermined time interval according to a scheduling frequency of the multi-carrier high-speed uplink packet access and/or UE_DTX_cycle-2.
  • the UE-DTX_cycle-2 is a time interval of the second transmission mode in an embodiment of a method for controlling a transmission mode of a multi-carrier HSUPA, where the predetermined time interval is The time interval of the third transmission mode is UE_DTX_cycle-3.
  • the transmission mode of the non-scheduled carrier may include: a first transmission mode, a second transmission mode, or a third transmission mode.
  • the first transmission mode is the DTX mode of the existing DPCCH.
  • the first transmission mode is specifically: when the carrier starts to transmit the uplink DPCCH burst in a period of UE-DTX_cycle-1, if the E-DCH is transmitted in the UE-DTX-cycle-1, the UE-DTX is maintained.
  • Cycle-1 is a discontinuous transmission of DPCCH burst for a period; if there is no E-DCH transmission within a set time window, the DPCCH burst is discontinuously transmitted with a period of UE_DTX_cycle-2, and the set time window is Inactivity— Threshold—for—UE—DTX—cycle— 2.
  • the second transmission mode is to discontinuously transmit DPCCH burst with UE-DTX—cycle—2, and the third transmission mode is UE—DTX—cycle—3 is not periodic.
  • the DPCCH burst is continuously transmitted, and UE_DTX_cycle_3> UE_DTX_cycle-2.
  • the control apparatus and system for the transmission mode of the multi-carrier HSUPA described above can refer to the embodiments of the control method of the transmission mode of the multi-carrier HSUPA to implement uplink non-scheduled carrier transmission.
  • the mode is set to achieve control of the uplink non-scheduled carrier transmission mode.
  • the apparatus and system for transmitting a multi-carrier HSUPA in the embodiment of the present invention by transmitting downlink control signaling to the UE by the network side device, and specifying a transmission mode in which the non-scheduled carrier enters the UE in the signaling, the UE is After receiving the signaling, the non-scheduled carrier can be controlled to enter a corresponding transmission mode according to the signaling, and the transmission mode of the unscheduled carrier can be set and controlled to implement carrier switching quickly. If the UE is in the third transmission mode, the uplink non-scheduled carrier can reduce the power consumption of the UE on the non-scheduled carrier, improve the throughput of the system, and reduce the non-scheduled carrier. Scheduling carrier interference to other users in the cell.
  • the solution of the embodiment of the present invention also solves the problem that the uplink carrier cannot directly control the DPCCH burst to be discontinuously transmitted in the UE-DTX-cycle-2 period.

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Abstract

Les modes de réalisation de la présente invention portent sur un procédé, un appareil et un système de commande de transmission en accès par paquets en liaison montante haut débit (HSUPA) dans le domaine des communications sans fil. Le procédé comprend : l'envoi d'une signalisation de commande de liaison descendante à un équipement utilisateur (UE), la signalisation de commande de liaison descendante indiquant à l'équipement utilisateur d'utiliser une émission discontinue dont le cycle est UE_DTX_cycle_2 ou d'utiliser une émission discontinue dont le cycle est un intervalle de temps prédéterminé pour la salve de canal de commande physique dédié (DPCCH) de la porteuse sans planification de liaison montante, l'intervalle de temps prédéterminé étant > UE_DTX_cycle_2. Les modes de réalisation de la présente invention peuvent s'appliquer à une commande de mode de transmission HSUPA.
PCT/CN2009/071529 2009-04-28 2009-04-28 Procédé, appareil et système de commande de transmission en accès par paquets en liaison montante haut débit multiporteuse Ceased WO2010124452A1 (fr)

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PCT/CN2009/071529 WO2010124452A1 (fr) 2009-04-28 2009-04-28 Procédé, appareil et système de commande de transmission en accès par paquets en liaison montante haut débit multiporteuse
CN2009801237488A CN102187703A (zh) 2009-04-28 2009-04-28 多载波高速上行分组接入发送的控制方法、装置和系统

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WO2014161150A1 (fr) * 2013-04-02 2014-10-09 华为技术有限公司 Procédé et appareil pour transmettre un canal dédié
WO2018063064A1 (fr) * 2016-09-28 2018-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Procédés, nœud de réseau et dispositif sans fil pour une transmission discontinue

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WO2017164142A1 (fr) * 2016-03-23 2017-09-28 株式会社Ｎｔｔドコモ Terminal utilisateur, station de base sans fil, et procédé de communication sans fil

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