WO2015063591A2 - Procédé et appareil de définition d'une configuration drx dans des systèmes de communication à double connectivité - Google Patents

Procédé et appareil de définition d'une configuration drx dans des systèmes de communication à double connectivité Download PDF

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Publication number
WO2015063591A2
WO2015063591A2 PCT/IB2014/002612 IB2014002612W WO2015063591A2 WO 2015063591 A2 WO2015063591 A2 WO 2015063591A2 IB 2014002612 W IB2014002612 W IB 2014002612W WO 2015063591 A2 WO2015063591 A2 WO 2015063591A2
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WO
WIPO (PCT)
Prior art keywords
menb
small cell
drx configuration
drx
dual connectivity
Prior art date
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PCT/IB2014/002612
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English (en)
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WO2015063591A3 (fr
Inventor
Yun DENG
Chandrika Worrall
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Alcatel Lucent
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Publication date
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Publication of WO2015063591A2 publication Critical patent/WO2015063591A2/fr
Publication of WO2015063591A3 publication Critical patent/WO2015063591A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/32—Hierarchical cell structures

Definitions

  • the present application relates to LTE communications, and particularly to a Discontinuous Reception (DRX) configuration in LTE communications.
  • DRX Discontinuous Reception
  • LTE key infrastructure mainly adopted for enhancing the capacity and coverage of a local area, especially due to its characteristics of low power consumption, has been attracted a lot of interest in the industry.
  • 3 GPP R12 one new study item "Small Cell Enhancements for E-UTRA and E-UTRAN Higher-Layer Aspects" has been approved.
  • One important aspect of this study item is to support the user equipment's dual connectivity with a macro cell and a small cell.
  • DRX configuration includes DRX cycle length, DRX starting time etc.
  • MeNB Master eNB
  • SeNB Secondary eNB
  • measurement requirement depends on DRX configuration (e.g. DRX cycle length). For example, when a DRX is not configured, in RRC_CONNECTED state, intra-frequency measurement cycle is 200 milliseconds, a User Equipment (UE) should be able to perform Reference Signal Receiving Qualities (RSRQ) and Reference Signal Receiving Powers (RSRP) measurement for 8 intra-frequency cells, and meanwhile the user equipment must be able to report the measurement result from physical layer to high layer in a measurement period of 200ms; when a DRX is configured, the measurement requirement is associated with the DRX cycle length.
  • DRX configuration e.g. DRX cycle length.
  • UE User Equipment
  • RSRQ Reference Signal Receiving Qualities
  • RSRP Reference Signal Receiving Powers
  • a UE When a DRX cycle length is configured independently in a MeNB and a SeNB, a UE may have two different DRX cycle lengths, thus the UE may have different understanding on which DRX cycle length should be adopted to perform frequency measurement. Therefore, how to determine an unambiguous DRX cycle length to meet the measurement requirement from a UE is essential.
  • the method disclosed in the present application mainly solves the problem of an ambiguous DRX cycle length, which is used to determine the measurement requirement, caused by the different DRX configurations in a MeNB and a SeNB.
  • a method, in a MeNB, for performing a DRX configuration for a dual connectivity system comprising: transmitting, to a SeNB, a DRX cycle length of a macro cell associated with the dual connectivity system ; obtaining, from the SeNB, DRX configuration information of a small cell associated with the dual connectivity system; transmitting, to a user equipment, a DRX configuration of the macro cell and a DRX configuration of a small cell; transmitting, to the SeNB, a measurement report associated with a frequency measurement of a small cell according to a measurement report from the user equipment.
  • a SeNB for performing a DRX configuration for a dual connectivity system, the method comprising: obtaining DRX cycle length information of a macro cell from a MeNB; transmitting, to a MeNB, a DRX configuration of a small cell that is determined according to the DRX cycle length information from the MeNB; receiving a measurement report associated with frequency of a small cell from the MeNB; determining a serving small cell suitable to a user equipment or coordinating interference between small cells according to the measurement report from the MeNB.
  • a method, in a MeNB, for performing a DRX configuration for a dual connectivity system comprising: transmitting, to a user equipment, a DRX cycle length for determining a measurement requirement; obtaining, from a SeNB, DRX configuration information of a small cell associated with the dual connectivity system; transmitting, to the user equipment, DRX configuration information of a macro cell and DRX configuration of a small cell associated with the dual connectivity system; transmitting a measurement report associated with frequency measurement of a small cell to the SeNB according to the measurement report from the user equipment.
  • a SeNB for performing a DRX configuration for a dual connectivity system, the method comprising: transmitting DRX configuration information of a small cell to a MeNB ; receiving a measurement report associated with frequency of a small cell from a MeNB; determining a serving small cell suitable to a user equipment or coordinating interference between small cells according to the measurement report from the MeNB.
  • a method, in a MeNB, for performing a DRX configuration for a dual connectivity system comprising: obtaining, from a SeNB, DRX configuration information of a small cell associated with a dual connectivity system; transmitting, to a user equipment, a DRX configuration of a small cell and a DRX configuration of a macro cell associated with the dual connectivity system; transmitting a measurement report associated with frequency measurement of a small cell to the SeNB according to a measurement report from the user equipment.
  • a method, in a SeNB, for performing a DRX configuration for a dual connectivity system comprising: determining that DRX configuration information of a macro cell is not received from a MeNB for a period of time; transmitting, to a MeNB, DRX configuration information of a small cell determined according to characteristics of traffic data of a SeNB; receiving a measurement report associated with frequency of a small cell from a MeNB; determining a serving small cell suitable to a user equipment or coordinating interference between small cells according to the measurement report from the MeNB.
  • a seventh aspect of the present application there provides a method, in a user equipment, for performing a DRX configuration for a dual connectivity system, the method comprising: obtaining DRX configuration information associated with a dual connectivity system from a MeNB; transmitting a measurement report, measured according to frequency measurement requirement corresponding to the determined DRX cycle length, to the MeNB.
  • a method in a user equipment, for performing a DRX configuration for a dual connectivity system, the method comprising: obtaining, from a MeNB, DRX configuration information associated with a dual connectivity system; obtaining, from a MeNB, DRX cycle length information for determining a measurement requirement; transmitting, to the MeNB, a measurement report measured according to frequency measurement requirement corresponding to the determined DRX cycle length.
  • an apparatus in a MeNB, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit, to a SeNB, DRX cycle length information of a macro cell associated with a dual connectivity system, to transmit, to the user equipment, a DRX configuration of the macro cell and a DRX configuration of a small cell associated with the dual connectivity system, and to transmit a measurement report associated with frequency measurement of a small to the SeNB based on the measurement report from the equipment; a receiving unit configured to obtain, from the SeNB, a DRX configuration information of the small cell associated with a dual connectivity system.
  • an apparatus in a SeNB, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit a DRX configuration of a small cell, determined according to DRX cycle length information from a MeNB, to the MeNB; a receiving unit configured to obtain a measurement report associated with frequency of a small cell from the MeNB and to obtain DRX cycle length information of a macro cell from the MeNB; a determining unit configured to determine a serving small cell suitable to a user equipment or coordinate interference between small cells according to the measurement report from the MeNB.
  • an apparatus in a MeNB, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit, to a user equipment, a DRX cycle length for determining a measurement requirement, to transmit, to the user equipment, DRX configuration information of a macro cell and DRX configuration information of a small cell associated with the dual connectivity system, and to transmit a measurement report associated with frequency measurement of a small cell to the SeNB based on a measurement report from the user equipment; a receiving unit configured to obtain, from the SeNB, DRX configuration information of the small cell associated with the dual connectivity system.
  • an apparatus in a SeNB, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit, to a MeNB, DRX configuration information of a small cell determined according to characteristics of traffic data of a SeNB; a receiving unit configured to receive a measurement report associated with frequency of a small cell from a MeNB; a determining unit configured to determine a serving small cell suitable to a user equipment or coordinating interference between small cells according to the measurement report from the MeNB, and to determine that DRX configuration information of a macro cell is not received from a MeNB for a period of time.
  • an apparatus in a MeNB, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a receiving unit configured to obtain, from a SeNB, DRX configuration information of a small cell associated with a dual connectivity system; a transmitting unit configured to transmit, to the user equipment, a DRX configuration of a small cell and a DRX configuration of the macro cell associated with a dual connectivity system, and to transmit a measurement report associated with frequency measurement of a small cell to the SeNB according to a measurement report from the user equipment.
  • an apparatus in a SeNB, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit DRX configuration information of a small cell to a MeNB; a receiving unit configured to receive a measurement report associated with frequency of a small cell from a MeNB; a determining unit configured to determine a serving small cell suitable to a user equipment or coordinating interference between small cells according to the measurement report for the MeNB, and to determine that DRX configuration information of a macro cell is not received from a MeNB for a period of time.
  • an apparatus in a user equipment, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit, to the MeNB, a measurement report measured according to frequency measurement requirement corresponding to the determined DRX cycle length; a receiving unit configured to obtain the DRX configuration information associated with a dual connectivity system from a MeNB.
  • an apparatus in a user equipment, for performing a DRX configuration for a dual connectivity system, the apparatus comprising: a transmitting unit configured to transmit, to the MeNB, a measurement report measured according to frequency measurement requirement corresponding to the determined DRX cycle length; a receiving unit configured to obtain, from a MeNB, DRX cycle length information for determining measurement requirement, and to obtain DRX configuration information associated with a dual connectivity system from a MeNB.
  • the solution in the present application not only enables a UE to have an unambiguous DRX cycle to meet the measurement requirement, but also enables a SeNB to determine a serving small cell suitable to a UE or coordinate the interference between small cells.
  • Figure 1 illustrates a schematic view of a UE having a dual-connectivity with a macro cell and a small cell.
  • Figure 2 illustrates a flow chart of setting the same DRX cycle length in a macro cell and in a small cell.
  • Figure 3 illustrate another flow chart of setting the same DRX cycle length in a macro cell and in a small cell.
  • Figure 4 illustrates a flow chart of setting different DRX cycle length in a macro cell and in a small cell.
  • FIG. 1 illustrates an embodiment of a dual-connectivity communication system.
  • a UE accesses a macro cell and establishes Radio Resource Controller (RRC) connection with the macro cell.
  • RRC Radio Resource Controller
  • the macro cell can configure a dual connectivity for the UE, i.e., the UE may connect to the macro cell and the small cell simultaneously.
  • the MeNB and SeNB perform independent resource scheduling in respective own cells.
  • An appropriate DRX configuration depends on the mobility of the UE, types of traffic data etc. As the UE may have different data radio bearers in a macro cell and in a small cell, DRX configurations constructed by the MeNB and the SeNB may not be the same. Thus, the MeNB and the SeNB need to configure a common DRX cycle length in order to meet the requirement of the frequency measurement.
  • the DRX cycle length of a UE in a macro cell and in a small cell may be the same, may also be different. Hereafter the description is based on whether the DRX cycle length is the same in the macro cell and in the small cell.
  • the SeNB When a DRX cycle length of a UE in the macro cell is the same as a DRX cycle length in the small cell, the SeNB performs resource scheduling with the DRX cycle length for the UE in the small cell, and the scheduling needs to meet the characteristics of the data traffic. Because MeNB performs DRX configurations according to e.g. the measurement requirement and characteristics of the data traffic while SeNB performs DRX configuration only according to e.g.
  • the DRX cycle length for a UE in the macro cell might be different from its DRX cycle length in the small cell, therefore, MeNB and SeNB needs to determine a consistent DRX cycle length through a negotiation which can be carried out via X2 interface, and the information exchange via X2 may be based on, for example, 3GPP TS36.423, may also be based on any other feasible manner for information exchange.
  • the characteristics of traffic data may be video streaming, VoIP, FTP downloading, etc. in respect to different Quality of Services (QoS).
  • Figure 2 illustrates a flow chart of setting the same DRX cycle length in a macro cell and in a small cell.
  • Step S I 00 MeNB 10 determines a DRX configuration of a macro cell for UE30 according to the measurement requirement and characteristics of the traffic data of UE30 in the macro cell, the DRX configuration of the macro cell includes DRX cycle length, DRX starting time etc.
  • a DRX configuration of a UE in a macro cell refers to DRX configuration of a macro cell hereafter.
  • Step S200 SeNB20 determines a DRX configuration of UE30 in a small cell according to the characteristics of the traffic data of UE30 in the small cell.
  • DRX configuration of a UE in a small cell refers to DRX configuration of a small cell hereafter.
  • Step S300 MeNB lO transmits the DRX cycle length of MeNB lO to SeNB20.
  • Step S400 if SeNB20 accepts the DRX cycle length of MeNB lO transmitted by MeNB lO, SeNB20 transmits the DRX configuration of the small cell, configured according to DRX cycle length configured by MeNB lO and traffic characteristics of UE, to MeNB lO.
  • Step S400B if SeNB20 does not accept the DRX cycle length of MeNB lO transmitted by MeNB lO, SeNB20 transmits, to MeNB lO, a DRX configuration (including DRX cycle length) of a small cell configured according to traffic characteristics of UE. MeNB lO selects one from the DRX cycle length of the macro cell and the DRX cycle length of the small cell and transmits it to SeNB20.
  • the DRX cycle length of the small cell is selected, it is not necessary for SeNB20 to re-transmit the DRX configuration of the small cell to MeNB lO; if the DRX cycle length of the macro cell is selected, it is necessary for SeNB20 to transmit the DRX configuration of the small cell, which is configured according to the DRX length of the macro cell, to MeNB lO.
  • Step S500 MeNB lO transmits the DRX configuration of the macro cell and the DRX configuration of the small cell to UE.
  • the DRX configuration of the macro cell and small cell is the same.
  • MeNB lO may transmit the DRX configuration to UE via RRC signaling or any other feasible manner.
  • Step S600 UE30 performs measurement and transmits measurement report to MeNB lO. Because the DRX cycle length is the same, UE30 performs the measurement according to the frequency measurement requirement corresponding to the DRX cycle length, and reports the measurement report to MeNB lO when the reporting conditions are met.
  • Step S700 MeNB lO transmits the measurement report associated with the frequency measurement of the small cell to SeNB20, i.e., transmits the measurement report of the frequency of the small cell to SeNB20.
  • Step S800 SeNB20 determines whether the small cell is suitable to act as serving cell for UE30, or coordinates the interference between small cells according to the measurement report from MeNB lO.
  • Figure 3 illustrate another flow chart of setting a same DRX cycle length in a macro cell and in a small cell.
  • Step B 100 SeNB20 does not receive a DRX configuration of a macro cell transmitted by MeNB lO for a period of time, this implies that MeNB lO has not configured a DRX configuration of macro cell yet.
  • the period of time may be pre-configured via network.
  • Step B200 SeNB20 determines the DRX configuration of the small cell according to characteristics of the traffic data of the small cell.
  • Step B300 SeNB20 transmits the DRX configuration of the small cell (including DRX cycle length) to MeNB lO.
  • MeNB lO receives the DRX configuration of the small cell, which may act as the DRX configuration of the macro cell, and transmits the DRX configuration of the macro cell and the DRX configuration of the small cell to UE30. MeNB lO may transmit the DRX configuration to UE 30 via RRC signaling or any other feasible manner.
  • Step B500 UE30 performs measurement and transmits measurement report to MeNB lO. Because the DRX cycle length is the same, UE30 performs measurement according to frequency measurement requirement corresponding to the DRX cycle length, and reports the measurement report to MeNB lO when the reporting conditions are met.
  • MeNB lO transmits the measurement report associated with the frequency measurement of the small cell to SeNB20, i.e., transmits the measurement report of the frequency of the small cell to SeNB20.
  • Step B700 SeNB20 determines whether the small cell is suitable to act as serving cell for UE30, or coordinates the interference between small cells according to the measurement report from MeNB lO.
  • the DRX cycle length of the macro cell and the DRX cycle length of the small cell for UE30 may also be different.
  • the signaling exchange associated with the dual connectivity between MeNB lO and SeNB lO may be carried out via X2 interface, the signaling exchange via X2 interface may be based on 3GPP TS36.413, may be based on any other feasible signaling exchange manner.
  • Figure 4 illustrates a flow chart of configuring different DRX cycle lengths in a macro cell and in a small cell.
  • Step Ml 00 MeNB lO determines a DRX configuration of the macro cell according to measurement requirement and characteristics of traffic data of UE30 in the macro cell.
  • Step M200 SeNB20 determines a DRX configuration of the small cell according to characteristics of traffic data of UE30 in the small cell.
  • Step M300 SeNB20 transmits the DRX configuration of the small cell to MeNB lO.
  • MeNB lO transmits the DRX configuration of the macro cell and the DRX configuration of the small cell to UE30.
  • MeNB lO may transmit the DRX configuration to UE 30 via RRC signaling or any other feasible manner.
  • Step M500 MeNB lO transmits the DRX cycle length indication information corresponding to measurement requirement to UE30.
  • Step M600 UE30 performs the measurement according to the measurement requirement corresponding to the DRX cycle length indicated in Step M500, and transmits the measurement report to MeNB lO when the reporting conditions are met.
  • MeNB lO transmits the measurement report associated with the frequency measurement of the small cell to SeNB20, i.e., transmits the measurement report to SeNB20.
  • Step M800 SeNB20 determines whether the small cell is suitable to continuously act as serving cell of UE30, or coordinates the interference between small cells according to the measurement report from the MeNB.
  • Step M500 in the procedure may be combined with Step M400 for transmission.
  • MeNB lO may adopt a protocol pre-defined manner to determine the DRX cycle length corresponding to the measurement requirement. For example, it is pre-defined to adopt measurement requirement corresponding to DRX cycle length of macro cell for performing measurement, or it is predefined to adopt measurement requirement corresponding to DRX cycle length of small cell for performing measurement. As such, it is necessary for MeNB lO to transmit the predefined DRX cycle length information corresponding to measurement requirement to UE30. MeNB lO may transmit DRX cycle length information to UE30 via RRC signaling or any other feasible manner.
  • the DRX configuration as described above includes multiple parameters, for example, DRX cycle length, the starting time of DRX and duration period of DRX etc.
  • MeNB lO transmits a part of the measurement report to SeNB20 via X2 interface.
  • the part of the measurement report includes cell identification and corresponding RSRP and RSRQ, it may include other relevant measurement information.

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

Abstract

L'invention concerne un procédé et un appareil de définition d'une configuration DRX dans des systèmes de communication à double connectivité. Un MeNB détermine une longueur de cycle DRX d'une macrocellule d'après les exigences de mesurage et des caractéristiques des données de trafic. Un SeNB détermine une longueur de cycle DRX d'une petite cellule d'après des caractéristiques des données de trafic. Un équipement d'utilisateur peut avoir la même longueur de cycle ou une longueur de cycle différente dans la macro cellule et dans la petite cellule. Le MeNB et le SeNB déterminent leur propre longueur de cycle DRX par négociation, et transmettent les informations de longueur de cycle DRX servant à déterminer une exigence de mesurage, à un équipement d'utilisateur. Le SeNB détermine une petite cellule de desserte adaptée à un équipement d'utilisateur, ou coordonne l'interférence entre petites cellules d'après le rapport de mesurage du MeNB.
PCT/IB2014/002612 2013-11-01 2014-10-27 Procédé et appareil de définition d'une configuration drx dans des systèmes de communication à double connectivité WO2015063591A2 (fr)

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Application Number Priority Date Filing Date Title
CN201310534312.6A CN104602259B (zh) 2013-11-01 2013-11-01 一种在双连接通信系统中设置drx配置的方法及装置
CN201310534312.6 2013-11-01

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WO2015063591A2 true WO2015063591A2 (fr) 2015-05-07
WO2015063591A3 WO2015063591A3 (fr) 2015-08-20

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US20150327169A1 (en) * 2014-05-07 2015-11-12 Samsung Electronics Co., Ltd. Method, user equipment and base station for controlling discontinuous reception (drx) in wireless communication system
WO2017148214A1 (fr) * 2016-03-03 2017-09-08 中兴通讯股份有限公司 Procédé et dispositif de commande de réception discontinue
WO2020031332A1 (fr) * 2018-08-09 2020-02-13 株式会社Ｎｔｔドコモ Équipement utilisateur, dispositif station de base, et procédé de mesure
US10659994B2 (en) 2015-11-27 2020-05-19 Huawei Technologies Co., Ltd. Network nodes, wireless communication system and methods thereof
WO2020185349A1 (fr) * 2019-03-14 2020-09-17 Qualcomm Incorporated Techniques de signalisation de mise en veille pour de multiples points d'émission/réception
WO2024121832A1 (fr) * 2023-02-10 2024-06-13 Lenovo (Singapore) Pte Limited Optimisation de comportement d'équipement utilisateur (ue) pendant des modes de réception discontinue (drx) de cellule

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CN109842962B (zh) * 2017-09-27 2020-08-14 展讯通信（上海）有限公司 双连接中测量需求的确定方法及装置、存储介质、用户终端
EP4066586A4 (fr) * 2020-07-03 2022-12-14 ZTE Corporation Signalisation efficace dans un déploiement de réseau non terrestre et terrestre

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150327169A1 (en) * 2014-05-07 2015-11-12 Samsung Electronics Co., Ltd. Method, user equipment and base station for controlling discontinuous reception (drx) in wireless communication system
US9660773B2 (en) * 2014-05-07 2017-05-23 Samsung Electronics Co., Ltd Method, user equipment and base station for controlling discontinuous reception (DRX) in wireless communication system
US10291366B2 (en) 2014-05-07 2019-05-14 Samsung Electronics Co., Ltd Method, user equipment and base station for controlling discontinuous reception (DRX) in wireless communication system
US10659994B2 (en) 2015-11-27 2020-05-19 Huawei Technologies Co., Ltd. Network nodes, wireless communication system and methods thereof
WO2017148214A1 (fr) * 2016-03-03 2017-09-08 中兴通讯股份有限公司 Procédé et dispositif de commande de réception discontinue
CN107155212A (zh) * 2016-03-03 2017-09-12 中兴通讯股份有限公司 非连续接收控制方法及装置
WO2020031332A1 (fr) * 2018-08-09 2020-02-13 株式会社Ｎｔｔドコモ Équipement utilisateur, dispositif station de base, et procédé de mesure
US11930553B2 (en) 2018-08-09 2024-03-12 Ntt Docomo, Inc. Terminal and measurement method
WO2020185349A1 (fr) * 2019-03-14 2020-09-17 Qualcomm Incorporated Techniques de signalisation de mise en veille pour de multiples points d'émission/réception
US11595891B2 (en) 2019-03-14 2023-02-28 Qualcomm Incorporated Techniques for signaling go-to-sleep for multiple transmission/reception points
WO2024121832A1 (fr) * 2023-02-10 2024-06-13 Lenovo (Singapore) Pte Limited Optimisation de comportement d'équipement utilisateur (ue) pendant des modes de réception discontinue (drx) de cellule

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CN104602259A (zh) 2015-05-06
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