WO2011069368A1 - Procédé d'optimisation et nœud b évolué pour réception discontinue sur porteuses multiples - Google Patents

Procédé d'optimisation et nœud b évolué pour réception discontinue sur porteuses multiples Download PDF

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Publication number
WO2011069368A1
WO2011069368A1 PCT/CN2010/075303 CN2010075303W WO2011069368A1 WO 2011069368 A1 WO2011069368 A1 WO 2011069368A1 CN 2010075303 W CN2010075303 W CN 2010075303W WO 2011069368 A1 WO2011069368 A1 WO 2011069368A1
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Prior art keywords
drx
component carrier
user equipment
enb
service data
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PCT/CN2010/075303
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English (en)
Chinese (zh)
Inventor
王坚
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中兴通讯股份有限公司
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Publication of WO2011069368A1 publication Critical patent/WO2011069368A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a discontinuous reception (DRX) technology in the field of communications, and in particular to an optimization method and an evolved base station for discontinuous reception on multiple carriers.
  • DRX discontinuous reception
  • LTE Long Term Evolution
  • OFDM Orthogonal Frequency Division Multiplexing
  • MIMO Multiple Input Multiple Output
  • LTE-A Advanced Long Term Evolution
  • carrier aggregation is the most important means to increase the transmission rate requirements.
  • the so-called carrier aggregation means that the user equipment (UE) can receive/transmit data on multiple component carriers at the same time. Different number of component carriers with different bandwidths can be configured in the downlink/uplink, and each component carrier corresponds to one hybrid automatic request.
  • the network can distribute traffic data across component carriers for transmission to increase the transmission rate.
  • FIG. 1 is a schematic structural diagram of carrier aggregation.
  • the MAC entity 13 is scheduled/prioritized. Assigned to the corresponding HARQ MAC entity 14, the HARQ MAC entity 14 processes and submits to the corresponding component carrier, wherein the PDCP entity 11 encrypts, compresses/intlinests the service data, and the RLC entity 12 processes the data processed by the PDCP entity 11 according to the data. Wireless resources are segmented.
  • PDCP packet data convergence protocol
  • RLC radio link control
  • the DRX technology is a technology used by the UE to save power.
  • the basic principle is: The UE does not continuously monitor the PDCCH channel and reduces the power loss of related components.
  • DRX has been standardized in LTE Release (R) 8, and its configuration mechanism is as follows:
  • the UE is in Radio Resource Control Idle (RRC IDLE)
  • RRC IDLE Radio Resource Control Idle
  • the DRX parameter configuration of the UE is given by the system information, that is, the DRX parameter of the UE in the idle (IDLE) state is a common configuration; in the RRC Connected state, the DRX parameter configuration of the UE is configured by dedicated control signaling.
  • the network configures UE-specific DRX parameters.
  • the DRX parameters include: DRX cycle (DRX cycle).
  • the DRX cycle includes a long DRX-Cycle, a short DRX-Cycle, a DRX Start Offset, and some timers:
  • On Duration Timer Specifies the number of consecutive PDCCH subframes to be monitored at the beginning of the DRX cycle.
  • DRX-Inactivity Timer The number of consecutive PDCCH subframes that the UE monitors after the PDCCH indicating the initial transmission of the downlink/uplink user data, that is, the UE is extended after receiving the initial transmission indicated by the PDCCH. Activity time (Active Time).
  • MAC-Contention Resolution Timer During random access, the UE monitors the number of consecutive PDCCH subframes after the message (MSG) 3 is transmitted.
  • DRX-Retransmission Timer The UE has started to expect the number of consecutive PDCCH subframes when it expects downlink retransmission.
  • the DRX parameter configuration finally divides the time of the UE into: monitoring the active time of the PDCCH (Active Time) and the inactive time (Inactive Time) of not monitoring the PDCCH.
  • the active time includes: a duration of the listening duration timer, a DRX inactivity timer and a DRX retransmission timer, a time of waiting for an uplink grant (UL grant) after the UE sends a scheduling request (SR), and a UE
  • the MAC-contention resolution timer running time after the MSG 3 is retransmitted/transmitted, the time when the UE waits for the PDCCH after receiving the MSG 2 (non-contention access), the time when the UE waits for the UL grant to be allocated, and the like.
  • the DRX mechanism of the LTE R8 is also closely related to other processes located in the MAC layer.
  • the UE For the uplink, after the UE completes the random access, the UE sends an SR request scheduling to the network, the UE is in an active time state, and the network sends a first-pass UL grant to the UE.
  • the UE After receiving the UE, the UE starts the DRX inactivity timer to listen to the subsequent possible PDCCH, performs uplink transmission after processing delay (UL transmission), and then receives acknowledgement/non-acknowledgement in a specified subframe after processing delay (ACK/ NACK), and listen to the UL grant.
  • UL transmission uplink transmission after processing delay
  • ACK/ NACK acknowledgement/non-acknowledgement in a specified subframe after processing delay
  • the non-adaptive retransmission will be performed at the next transmission time of the process.
  • the UE receives the downlink grant (DL assignment) and starts.
  • HARQ round-trip time timer RTT timer
  • the DRX retransmission timer will be started to monitor the PDCCH to complete the retransmission.
  • DRX MAC Command CE component carrier DRX MAC command control unit
  • the UE changes the current short/long period type while canceling the active state of the current DRX cycle.
  • the above mechanisms are equally applicable on component carriers from the perspective of a single component carrier, since the component carriers on the LTE-A independently configure the PDCCH channel for uplink grant or downlink grant, and the PDCCH may include one
  • the carrier identifier is used to allocate resources of the component carrier and other component carriers. Therefore, LTE-A needs to introduce some new DRX mechanisms to facilitate optimization from the overall perspective and improve UE performance.
  • the current scheme is to divide the component carrier into an anchor carrier and a non-anchor carrier, and the anchor carrier has a complete DRX configuration.
  • the non-anchor carrier does not actively monitor the PDCCH, when the anchor carrier is notified, The PDCCH is monitored again.
  • CQI channel quality indicator
  • PMI precoding matrix indication
  • RI rank indication
  • SRS sounding reference signal
  • the technical problem to be solved by the present invention is to propose an optimization method for discontinuous reception on multiple carriers and an evolved base station, which can realize discontinuous reception of multiple carriers.
  • the present invention provides an optimization method for discontinuous reception on a multi-carrier, which is applied to the network side, and includes:
  • the evolved base station eNB sets the discontinuous reception DRX configuration parameter for the component carrier allocated to the user equipment, selects an equivalent DRX period, and sets the actual DRX period of each component carrier of the user equipment to be the user equipment component carrier. Multiplying the number by the equivalent DRX period, the DRX start offset of each component carrier is sequentially different by an equivalent DRX period, and the DRX configuration parameter is informed to the user equipment;
  • the eNB sends the physical downlink control channel PDCCH signaling by selecting a component carrier that is in active time according to the actual DRX cycle and the DRX start offset, and scheduling the component carrier that is in active time or inactive time.
  • the above method can also have the following characteristics:
  • the step of the eNB selecting an equivalent DRX cycle includes:
  • the eNB searches for the service that the user equipment has the smallest DRX cycle, and uses the minimum DRX cycle as the equivalent DRX cycle.
  • the eNB informs the user equipment of the component carrier that transmits the service data by using the PDCCH signaling, and then sends or receives the service data on the component carrier of the transport service data.
  • the present invention provides an optimization method for discontinuous reception on a multi-carrier, which is applied to the user side, and includes:
  • the discontinuous reception DRX configuration parameter sent by the evolved base station eNB Receiving, by the user equipment, the discontinuous reception DRX configuration parameter sent by the evolved base station eNB, and monitoring the physical downlink control channel PDCCH signaling sent on the component carrier of the active time according to the actual DRX period and the DRX start offset in the DRX configuration parameter; as well as
  • the user equipment After receiving the PDCCH signaling, the user equipment learns a component carrier that transmits service data according to the PDCCH signaling, and further receives or transmits service data on a component carrier of the transmission service data.
  • the present invention provides an optimization method for discontinuous reception on multiple carriers, including:
  • the DRX cycle, and setting the actual DRX period of each component carrier of the user equipment is the number of the user equipment component carriers multiplied by the equivalent DRX period, and the DRX starting offset of each component carrier is sequentially different by an equivalent
  • the DRX configuration parameter is used to notify the user equipment of the DRX configuration parameter; and, according to the actual DRX period and the DRX start offset, the eNB sends PDCCH signaling by selecting a component carrier that is in active time, and scheduling the Component carrier of active time or inactive time;
  • the user equipment monitors PDCCH signaling sent on a component carrier that is active at the active DRX period and the DRX start offset according to the received DRX configuration parameter.
  • the above method can also have the following characteristics:
  • the step of the eNB selecting an equivalent DRX cycle includes:
  • the eNB searches for the service that the user equipment has the smallest DRX cycle, and uses the minimum DRX cycle as the equivalent DRX cycle.
  • the eNB sends the PDCCH signaling on the component carrier that is in the active time, and informs the user equipment to transmit the component carrier of the service data, and then sends or receives the service data on the component carrier of the transmission service data;
  • the user equipment After receiving the PDCCH signaling, the user equipment learns a component carrier that transmits service data according to the PDCCH signaling, and further receives or transmits service data on a component carrier of the transmission service data.
  • the present invention provides an optimization system for discontinuous reception on multiple carriers, including an eNB and a user equipment.
  • the eNB is configured to: when setting a DRX configuration parameter for a component carrier allocated to the user equipment, select an equivalent DRX period, and set an actual DRX period of each component carrier of the user equipment to be the user equipment component carrier. Multiplying the number by the equivalent DRX period, the DRX start offset of each component carrier is sequentially different by an equivalent DRX period, and the DRX configuration parameter is notified to the user equipment; and, according to the actual DRX period and DRX Starting offset, scheduling PDCCH signaling by selecting a component carrier that is active, scheduling the component carrier that is in active time or inactive time;
  • the user equipment is configured to send PDCCH signaling on a component carrier that is active at the active DRX period and the DRX start offset in the received DRX configuration parameter.
  • the eNB is configured to: find that the user equipment has a minimum DRX period, and use the minimum DRX period as an equivalent DRX period.
  • the eNB is configured to notify the user equipment to transmit a component carrier of service data by transmitting PDCCH signaling on a component carrier that is in active time, and further, in the transmission service data. Transmitting or receiving service data on a component carrier;
  • the user equipment is further configured to: after receiving the PDCCH signaling, obtain a component carrier for transmitting service data according to the PDCCH signaling, and further receive or send service data on a component carrier of the transmission service data.
  • the present invention further provides an evolved base station eNB, where the eNB is configured to select an equivalent DRX cycle when setting a discontinuous reception DRX configuration parameter for a component carrier allocated to the user equipment, and set the The actual DRX period of each component carrier of the user equipment is the number of the user equipment component carriers multiplied by the equivalent DRX period, and the DRX starting offset of each component carrier is sequentially different by an equivalent DRX period, and The DRX configuration parameter is sent to the user equipment; and, according to the actual DRX period and the DRX start offset, the physical downlink control channel PDCCH signaling is sent by selecting a component carrier that is in active time, and the active time or non-schedule is scheduled.
  • the component carrier of the active time is configured to select an equivalent DRX cycle when setting a discontinuous reception DRX configuration parameter for a component carrier allocated to the user equipment, and set the The actual DRX period of each component carrier of the user equipment is the number of the user equipment component carriers multiplied by
  • the evolved base station can have the following features:
  • the eNB is configured to: find that the user equipment has a minimum DRX period, and use the minimum DRX period as an equivalent DRX period.
  • the evolved base station can also have the following features:
  • the eNB is configured to notify the user equipment to transmit a component carrier of the service data by transmitting the PDCCH signal on the component carrier that is in active time, and then send or receive the service data on the component carrier of the transmission service data.
  • the present invention further provides a user equipment, where the user equipment is configured to receive a discontinuous reception DRX configuration parameter sent by an evolved base station eNB, according to an actual DRX cycle and a DRX in the DRX configuration parameter.
  • each component carrier has a continuous monitoring time (onDuration) time
  • the user equipment can periodically measure the PDCCH and report CQI/PMI/RI and SRS information, thereby improving the tuning of the base station.
  • 1 is a schematic structural diagram of carrier aggregation
  • FIG. 2 is a flowchart of an optimization method for discontinuous reception on the network side according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an optimization method for discontinuous reception on a user side according to an embodiment of the present invention
  • FIG. 4a is an actual DRX of an application example of the present invention
  • Figure 4b is a schematic diagram of an equivalent DRX cycle of an application example of the present invention.
  • each component carrier has an independent DRX cycle, and the DRX operations on the component carriers are independent of each other; the actual DRX cycle of each component carrier is optimally configured to extend the DRX cycle of each component carrier, thereby saving power of the user equipment. .
  • an Evolved Node B sets a DRX configuration parameter for a component carrier allocated to a user equipment
  • an equivalent DRX cycle is selected, and an actual DRX cycle of each component carrier of the user equipment is set as Multiplying the number of user equipment component carriers by an equivalent DRX cycle, and the DRX start offset of each component carrier is sequentially different by an equivalent DRX cycle, and the DRX configuration parameter is notified to the user equipment;
  • the eNB And according to the actual DRX cycle and the DRX start offset, sending PDCCH signaling by selecting a component carrier that is in active time, scheduling the component carrier that is active time, or scheduling other component carriers;
  • the user equipment sends PDCCH signaling on the component carrier that is active at the active DRX period and the DRX start offset in the received DRX configuration parameter.
  • the eNB searches for the service with the minimum DRX period of the user equipment, and uses the minimum DRX period as the equivalent DRX period.
  • the component carrier that transmits the service data is learned according to the PDCCH signaling, and then the service data is received or transmitted on the component carrier of the transmission service data.
  • the DRX configuration between the component carriers is independent, and the component carrier receiving the PDCCH signaling may be any component carrier in the group that is active at the active time, and the component carrier in the inactive time may be in other components.
  • the component carrier of the active time sends PDCCH signaling to the user equipment to perform downlink or uplink service data transmission.
  • the process flow on the network side includes the following steps:
  • Step 100 The eNB obtains a DRX cycle of each service running on the user equipment.
  • the eNB may learn the service type according to the service request initiated by the user equipment, and further obtain the DRX cycle of the service;
  • Step 110 The eNB allocates a component carrier to the user equipment.
  • the eNB may allocate a component carrier according to factors such as a network load, a capability of the user equipment, and a service requirement, and the allocation process is a prior art, and is not detailed herein;
  • Step 120 The eNB sets DRX configuration parameters for each component carrier of the user equipment.
  • the DRX configuration parameters include the actual DRX period and the DRX start offset, and may include other parameters. Since other parameters are not involved in the present invention, the relevant standards of LTE R8 may be used, so the details are not described herein.
  • the DRX cycle includes Long period and short period, the actual DRX period in the present invention refers to a long period in the DRX cycle;
  • a set of component carriers bears transmission of several services, and the eNB searches for a service with a minimum DRX cycle, and takes the minimum DRX cycle as an equivalent DRX cycle, and all component carriers calculate each component carrier according to the number of component carriers and the equivalent DRX cycle.
  • the period for example, the equivalent DRX period is X, the number of component carriers is N, then the DRX period of each component carrier is x*N, and the DRX starting offset of each component carrier is 0, X, 2x, 3x, (Nl )x;
  • Step 130 The eNB sends the DRX configuration parameter to the user equipment by using RRC control signaling.
  • Step 140 The eNB sends PDCCH signaling to the user equipment according to the DRX configuration parameter of the user equipment, that is, the eNB selects a component carrier that is in active time to send PDCCH signaling.
  • the eNB sends the PDCCH signaling on the component carrier that is in the active time, and informs the user equipment to transmit the component carrier of the service data, and then sends or receives the service data on the component carrier of the transmission service data;
  • the component carrier that transmits the service data is indicated by the carrier identifier in the PDCCH signaling.
  • the component carrier of the transmission service data may be the component carrier at the active time or the component carrier at the inactive time.
  • the processing flow on the user side includes the following steps:
  • Step 200 The user equipment obtains the DRX configuration parameter allocated by the network side by using RRC control signaling.
  • Step 210 The user equipment performs related configuration according to the received DRX configuration parameter.
  • the DRX configuration parameter may include a DRX inactivity timer and a MAC-contention in addition to the actual DRX cycle and the DRX start offset mentioned in the present invention.
  • the user equipment needs to set various timers. Because the present invention only involves the actual DRX cycle and the DRX start offset, other parameters can follow the relevant standards of LTE R8, so it will not be detailed here.
  • the user equipment may also select a DRX configuration mode (using an anchor carrier and a non-anchor carrier) according to the needs of the user equipment.
  • the user equipment uses the DRX configuration parameters configured by the eNB to configure. ;
  • Step 220 The user equipment monitors PDCCH signaling sent on the component carrier that is active at the active time according to the actual DRX period and the DRX start offset in the DRX configuration parameter.
  • Step 230 After receiving the PDCCH signaling, the user equipment learns a component carrier that transmits service data according to the PDCCH signal, and then receives or transmits service data on a component carrier of the transmission service data.
  • the user equipment learns, according to the indication of the carrier identifier in the PDCCH signaling, which component carrier is a component carrier for transmitting service data, and the component carrier of the transmission service data may be the component carrier of the active time, or may be a component carrier that is inactive time, such that the user equipment can receive or transmit component carriers from inactive time, or can receive from the component carrier or send data.
  • each component carrier has an equivalent DRX cycle, and an actual DRX cycle
  • the user equipment can listen to other PDCCHs on the component carrier of the active time on each of the equivalent DRX cycles, and receive other inactive time.
  • the component carrier needs to send PDCCH signaling, and then perform corresponding operations of receiving or transmitting service data on the component carrier indicated by the PDCCH signaling.
  • the UE receives the PDCCH signaling for scheduling the component carrier directly from the component carrier at the active time, or receives the PDCCH signaling for scheduling the component carrier indirectly through other component carriers, the UE is in accordance with the DRX specification of the current R8. (ie, the scheduled component carrier) operates: for example, if it is a new transmission, the DRX-Inactivity Timer of the component carrier is activated to cause the component carrier to enter/extend the active time.
  • the component carrier when the UE indirectly receives a PDCCH signal for scheduling an inactive time component carrier, the component carrier is also operated according to the current DRX specification of R8.
  • Figure 4a is the actual DRX cycle configured.
  • the service data (Data) in the component carrier CC1 is activated by the PDCCH at the first continuous listening time (Onduration) in the component carrier CC2.
  • the service data of the component carrier CC2 is activated by the PDCCH of the component carrier CC1 located at the first continuous listening time (Onduration), and the service data of the component carrier CC3 is determined by the PDCCH of the component carrier CC2 located at the second continuous listening time (Onduration). activation.
  • Figure 4b shows the equivalent DRX period, and the component carriers CC1 CC3 have the same equivalent period.
  • An optimization system for discontinuous reception on multiple carriers in an embodiment of the present invention including an eNB and a user equipment,
  • the eNB is configured to: when setting a DRX configuration parameter for a component carrier allocated to the user equipment, select an equivalent DRX period, and set an actual DRX period of each component carrier of the user equipment to be the user equipment component carrier. Multiplying the number by the equivalent DRX period, the DRX start offset of each component carrier is sequentially different by an equivalent DRX period, and the DRX configuration parameter is notified to the user equipment; and, according to the actual DRX period and DRX Starting offset, transmitting PDCCH signaling by selecting a component carrier that is active, scheduling the component carrier at active time, or scheduling other component carriers;
  • the user equipment is configured to: according to an actual DRX cycle in the received DRX configuration parameter And the DRX start offset monitors PDCCH signaling transmitted on the component carrier that is active.
  • the eNB is configured to: find that the user equipment has a minimum DRX period, and use the minimum DRX period as an equivalent DRX period.
  • the eNB is configured to notify the user equipment to transmit a component carrier of the service data by transmitting PDCCH signaling on the component carrier that is in active time, and then send or receive on the component carrier of the transmission service data.
  • the user equipment is further configured to: after receiving the PDCCH signaling, obtain a component carrier that transmits the service data according to the PDCCH signaling, and further receive or send the service data on the component carrier of the transmission service data. .
  • the present invention also discloses an evolved base station eNB, where the eNB is configured to select an equivalent DRX cycle for setting a discontinuous reception DRX configuration parameter for a component carrier allocated to the user equipment, and set each component carrier of the user equipment.
  • the actual DRX cycle is the number of the above-mentioned user equipment component carriers multiplied by the equivalent DRX cycle, and the DRX start offset of each component carrier is sequentially different by an equivalent DRX cycle, and the above DRX configuration parameters are notified to the user equipment; And transmitting, according to the actual DRX cycle and the DRX start offset, the physical downlink control channel PDCCH signaling by selecting the component carrier that is in active time, and scheduling the component carrier that is in active time or inactive time.
  • the eNB is configured to find that the user equipment has a minimum DRX cycle, and use the minimum DRX cycle as an equivalent DRX cycle.
  • the foregoing eNB is configured to notify the user equipment to transmit a component carrier of the service data by transmitting PDCCH signaling on the component carrier that is in active time, and then send or receive the service data on the component carrier of the transmission service data.
  • the eNB in this embodiment has the same function as the eNB in the foregoing system embodiment, and details are not described herein.
  • the invention also discloses a user equipment, the user equipment is configured to receive the discontinuous reception DRX configuration parameter sent by the evolved base station eNB, and monitor the active time according to the actual DRX period and the DRX start offset in the DRX configuration parameter.
  • the physical downlink control channel PDCCH signaling sent on the component carrier; after receiving the PDCCH signaling, the user equipment learns the component carrier of the transmission service data according to the PDCCH signaling, and further receives or transmits on the component carrier of the transmission service data.
  • Send business data The user equipment in this embodiment is used in the above system embodiment. The functions of the user equipment are the same and will not be described here.
  • the present invention provides an optimization method for discontinuous reception on a multi-carrier and an evolved base station. Since each component carrier has a continuous listening time, the user equipment can periodically measure the PDCCH and report CQI/PMI/RI and SRS information. The scheduling capability of the base station is improved; at the same time, the DRX cycle of the carrier is increased, and the power saving capability is improved.

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Abstract

L'invention porte sur un procédé d'optimisation et un nœud B évolué (eNB) pour réception discontinue (DRX) sur porteuses multiples. Le procédé d'optimisation pour réception discontinue sur porteuses multiples consiste à : lorsqu'un eNB règle les paramètres de configuration de réception discontinue pour les porteuses composantes distribuées à un équipement utilisateur, sélectionner un cycle DRX équivalent, régler le cycle DRX réel de chaque porteuse composante de l'équipement utilisateur égal au nombre de porteuses composantes de l'équipement utilisateur multiplié par le cycle DRX équivalent, différencier le décalage de démarrage DRX de chaque porteuse composante une par une par échelon d'un cycle DRX équivalent, et notifier à l'équipement utilisateur les paramètres de configuration DRX ; et conformément au cycle DRX réel et au décalage de démarrage DRX, par sélection de porteuses composantes en temps actif pour envoyer une signalisation de canal de commande de liaison descendante physique (PDCCH), planifier les porteuses composantes en temps actif ou en temps inactif par l'eNB. Dans la solution, une réception discontinue sur porteuses multiples peut être mise en œuvre.
PCT/CN2010/075303 2009-12-09 2010-07-20 Procédé d'optimisation et nœud b évolué pour réception discontinue sur porteuses multiples WO2011069368A1 (fr)

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CN200910252747.5A CN102098735B (zh) 2009-12-09 2009-12-09 一种多载波上的不连续接收的优化方法和装置
CN200910252747.5 2009-12-09

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CN102932881A (zh) * 2011-08-10 2013-02-13 中兴通讯股份有限公司 一种非连续接收方法及系统
WO2017171922A1 (fr) * 2016-04-01 2017-10-05 Intel IP Corporation Définition de sous-trames de liaison descendante pour une cellule secondaire à accès assisté par licence pour opération de réception discontinue
US20190141779A1 (en) * 2015-04-10 2019-05-09 Motorola Mobility Llc Drx handling in lte license assisted access operation
WO2021062762A1 (fr) * 2019-09-30 2021-04-08 Oppo广东移动通信有限公司 Procédé de réception de signal et dispositif terminal

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CN102413587B (zh) * 2010-09-25 2014-06-04 普天信息技术研究院有限公司 一种非连续接收的实现方法
CN102932884B (zh) * 2011-08-12 2019-08-13 中兴通讯股份有限公司 一种实现drx的方法和系统
JP6961722B2 (ja) * 2017-06-02 2021-11-05 オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. 非連続受信方法、端末デバイス及びネットワークデバイス
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