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WO2014166050A1 - Procédés et dispositifs permettant de réaliser des mesures d'ue et des rapports - Google Patents

Procédés et dispositifs permettant de réaliser des mesures d'ue et des rapports Download PDF

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Publication number
WO2014166050A1
WO2014166050A1 PCT/CN2013/073934 CN2013073934W WO2014166050A1 WO 2014166050 A1 WO2014166050 A1 WO 2014166050A1 CN 2013073934 W CN2013073934 W CN 2013073934W WO 2014166050 A1 WO2014166050 A1 WO 2014166050A1
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WO
WIPO (PCT)
Prior art keywords
measurements
reports
disabling
enabling
user equipment
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/CN2013/073934
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English (en)
Inventor
Qianxi Lu
Rui Fan
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to PCT/CN2013/073934 priority Critical patent/WO2014166050A1/fr
Publication of WO2014166050A1 publication Critical patent/WO2014166050A1/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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present disclosure relates to methods and devices for UE measurements and reporting.
  • the signaling overhead can increase proportionally with the number of carriers in the case of a multi carrier deployment.
  • the existing SCell Activate/Deactivate Medium Access Control (MAC) CE in Carrier Aggregation (CA) can help to save some signaling.
  • CSI Channel Status Indicator
  • RRM Radio Resource Management
  • the radio base station eNB configures the UE regarding which carrier to measure and when to send the measurement report.
  • RRC Radio Resource Control
  • the related RRC signaling mainly includes 3 signals: 1) a measurement report from the UE to the source eNB,
  • This network signaling can be considered as the cost of network-controlled UE mobility procedure.
  • Multicarrier systems and reporting therein is further described in 3GPP TS 36.321-UTRA, Medium Access Control (MAC) protocol specification (Release 11) and3GPP TS 36.331 E- UTRA, Medium Access Control (MAC) protocol specification (Release 11).
  • MAC Medium Access Control
  • the UE measurement and report is dynamically enabled/disabled in accordance with a predefined triggering condition.
  • the specific form of the threshold can vary and be
  • the setting of the threshold can for example take into account the number of bits / data rate in the uplink and or downlink.
  • a method for controlling the measurements and reports generated in a User Equipment When a UE configurable in multi carrier transmission mode and being connectable to a cellular radio network, the method can be executed to dynamically enable/disable the measurements and reports generated in a User Equipment in response to pre-defined triggering condition(s).
  • triggering condition can be a threshold value.
  • the threshold value can be configurable by the cellular radio network. Also, the threshold value can be set taking into account the number of bits / data rate in the uplink and/or downlink.
  • the enabling/disabling of the measurements and reports is performed autonomously in the UE. In another embodiment the enabling/disabling of the measurements and reports is performed in response to a message received from the cellular radio network.
  • the enabling/disabling of the measurements and reports can be performed for some (a subset) of the carriers of multiple carriers. In particular the enabling/disabling of the measurements and reports can be performed for some or all of the secondary (booster) carriers.
  • the disclosure also extends to devices and in particular a radio base station eNB and a UE for use in a cellular radio system and which are adapted to perform the methods as described herein.
  • the devices can be provided with a controller/controller circuitry for performing the above processes.
  • the controller(s) can be implemented using suitable hardware and or software.
  • the hardware can comprise one or many processors that can be arranged to execute software stored in a readable storage media.
  • the processor(s) can be implemented by a single dedicated processor, by a single shared processor, or by a plurality of individual processors, some of which may be shared or distributed.
  • a processor or may include, without limitation, digital signal processor (DSP) hardware, ASIC hardware, read only memory (ROM), random access memory (RAM), and/or other storage media.
  • DSP digital signal processor
  • Fig. 1 depicts a general view of a cellular radio system
  • Fig. 2 illustrates some procedural steps performed when controlling the start/stop of UE measurements and reports in accordance with a first embodiment
  • FIG. 3 illustrates some procedural steps performed when controlling the start/stop of UE measurements and reports in accordance with a second embodiment
  • - Fig. 4 illustrates a UE
  • - Fig. 5 illustrates a radio base station.
  • Fig. 1 a general view of a cellular radio network is depicted.
  • the network can for example be an E-UTRA (Evolved Universal Terrestrial Radio Access) network adapted for multicarrier transmission of data illustrated by additional transmitters 102 in Fig. 1.
  • the network comprises a number of radio base stations 101, here denoted eNBs, whereof only one is shown in the simplified view in Fig 1.
  • the network may of course comprise multiple eNBs.
  • the eNB 101 further comprises a module for performing different operations of the eNB.
  • the module can for example be implemented using a network interface circuit for signal interaction with a central node User equipments (UEs) 103, here represented by a single unit, that are present in a geographical area covered by the radio base station can connect to the radio base station over a radio interface.
  • UEs User equipments
  • the UEs 103 further comprises controller circuitry adapted to perform operations of the UEs 103.
  • the controller circuitry can for example be
  • a microcontroller operating on a set of computer software instructions stored on a memory in the UE.
  • the RRM measurement/report configuration is defined in 3GPP technical specification TS 36.331 6.3.5. There however the present specification does not comprise any trigger condition which is associated with the UE traffic state, but only the trigger condition related to the network signal strength.
  • the setting of the trigger conditions can be divided into two main embodiments.
  • the UE autonomously triggers enablement/disablement of the UE measurement and report according to the current traffic activity degree.
  • the network centrally triggers enablement/disablement of the UE measurement and report.
  • the UE autonomously triggers enablement/disablement of the UE measurement and report different trigger conditions can be used.
  • the trigger condition can in accordance with some embodiments be based on the status of the UL buffer which is located in the UE.
  • the trigger threshold is defined as the number of buffered UL bits: When the amount of UL buffered bits is above a specific threshold T_U, this is interpreted such that the UE is active enough, and that the anchor (primary) carrier can not provide sufficient resources to clear the UE buffer in a reasonable time.
  • T_U a specific threshold
  • W_U a hysteresis time window
  • an offset-type of threshold can be applied.
  • PBR Prioritized Bit Rate
  • the T_U could be defined as an offset value based on PBR, i.e., the buffered bit number is compared with PBR * TTI (1ms) + T_U, instead of an absolute value as above.
  • the trigger threshold is defined as the achieved UL data rate: This is the averaged value of the buffered bits.
  • the UE measurement / report is enabled / disabled.
  • PBR is addressed above as an example, which is defined via RRC signaling by eNB, there is also another similar definition via Non- Access Stratum (NAS) signaling by Mobility Management Entity (MME), like Maximum bit rate and Guaranteed bit rate for uplink and downlink respectively, which can be used as a reference when defining the offset-type threshold.
  • NAS Non- Access Stratum
  • MME Mobility Management Entity
  • the trigger condition for the downlink can then be set as:
  • the threshold is defined as the received DL bits. This would correspond to 1) above, with different definition of threshold T_D, and time window W D.
  • the threshold is defined as the received DL data rate: This would correspond to 2) above with different definition of threshold T_D, and time window W D. It is to be noted that the defined threshold T U/T D, time window W U/W D above can be the same to enable and disable the UE measurement / report, but could also be different respectively.
  • the defined thresholds can be pre-configured by the network.
  • Fig. 2 a flowchart illustrating some procedural steps that can be performed when controlling enabling/disabling of UE measurements and reports is shown.
  • step SI the UE is in an initial state, step SI .
  • step S2 it is checked if a trigger condition for starting UE measurements and reports is met. If the outcome in step S2 is yes the UE starts to measure and report in a step S3. The process returns to step SI . If the outcome in step S2 is no the procedure proceeds to a step S4. In step S4 it is checked if a trigger condition for stopping UE measurements and reports is met. If the outcome in step S4 is yes the UE stops measuring and reporting in a step S5. The process returns to step SI after step S5 or if the outcome in step S4 is no.
  • control of enabling and disabling the UE measurement / report is controlled by the network.
  • the control can be exercised by the setting and enforcement of a trigger condition.
  • an explicit signaling disable/enable scheme is used to start or stop measurements and reporting from a UE. For example,
  • an explicit signaling can be used.
  • a command can be sent in a DCI / MAC CE / R C signaling message.
  • a timer to disable the measurement / report can be used.
  • the timer can be (re-)started every time a DL resource grant (or UL grant) is addressed to the UE's Cell- Radio Network Temporary Identity (C-RNTI), Transmit Power Control-Physical Uplink Control Channel-RNTI (TPC-PUCCH-RNTI), Transmit Power Control-Physical Uplink Shared Channel-RNTI (TPC-PUSCH-RNTI), Semi-Persistent Scheduling C-RNTI (SPS-C-RNTI) or similar, and when this timer expires, the measurement / report is stopped.
  • C-RNTI Cell- Radio Network Temporary Identity
  • TPC-PUCCH-RNTI Transmit Power Control-Physical Uplink Control Channel-RNTI
  • TPC-PUSCH-RNTI Transmit Power Control-Physical Uplink Shared Channel-RNTI
  • SPS-C-RNTI Semi-Persistent Scheduling C-RNTI
  • a network node is configured to enable /disable such a timer, and set the timer length. It is to be noted that the timer can be applied in a bearer specific way. For example, in accordance with one embodiment only the activity on specific bearer(s) are taken into account.
  • the network node is configured to determine the set of observed bearers. Also, the length of the timer could be pre-configured by the network signaling.
  • Fig. 3 a flowchart illustrating some procedural steps that can be performed when controlling enabling/disabling of UE measurements and reports is shown.
  • step SI 1 the UE is in an initial state, step SI 1.
  • step S 12 it is checked if message from the network commanding the start of UE measurements and reports is received. If the outcome in step S12 is yes the UE starts to measure and report in a step S13. The process returns to step S 11.
  • step S12 If the outcome in step S12 is no the procedure proceeds to a step S14.
  • step S14 it is checked if a timer for stopping UE measurements and reports has expired. If the outcome in step S14 is yes the UE stops measuring and reporting in a step S15. The process returns to step SI 1 after step S15 or if the outcome in step S 14 is no.
  • UE 103 adapted to perform the UE implemented methods above is shown.
  • the UE includes controller circuitry for example implemented by a processor 111, and a memory 113.
  • the UE may also comprise a transceiver 112, and an antenna 23.
  • some or all of the functionality described above as being provided by mobile communication devices or other forms of a UE may be provided by the mobile station processor 111 executing instructions stored on a computer-readable medium, such as the memory 113 shown in Fig. 4.
  • Alternative embodiments of the UE may include additional components beyond those shown in Fig. 4 that may be responsible for providing certain aspects of the UE's functionality, including any of the functionality described above and/or any functionality necessary to support the solution described above.
  • Fig. 4 an exemplary UE 103 adapted to perform the UE implemented methods above is shown.
  • the UE includes controller circuitry for example implemented by a processor 111, and a memory 113.
  • the UE may also comprise a transceiver 112, and an antenna 23.
  • an exemplary radio base station eNB 101 includes controller circuitry for example implemented by a processor 121 and a memory 123.
  • the eNB 101 may also comprise a transceiver 122, and an antenna 128.
  • the example radio base station 101 can also comprise a network interface 124.
  • some or all of the functionality described above as being provided by a radio base station, eNB may be provided by the radio base station processor executing instructions stored on a computer-readable medium, such as the memory shown in Fig. 5.
  • Alternative embodiments of the base station may include additional components responsible for providing additional functionality, including any of the functionality identified above and/or any functionality necessary to support the solution described above.

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

Abstract

La présente invention concerne des procédés et dispositif permettant de commander des mesures et des rapports générés par un équipement utilisateur pouvant être configuré en mode de transmission à porteuses multiples. L'UE peut être connecté à un réseau radio cellulaire et configuré de manière à activer/désactiver les mesures et rapports de manière dynamique, de telle manière que l'activation/désactivation est effectuée en réponse à une ou plusieurs conditions de déclenchement prédéfinies.
PCT/CN2013/073934 2013-04-09 2013-04-09 Procédés et dispositifs permettant de réaliser des mesures d'ue et des rapports Ceased WO2014166050A1 (fr)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016175690A1 (fr) * 2015-04-30 2016-11-03 Telefonaktiebolaget Lm Ericsson (Publ) Création de rapport de mesurage assoupli avec double connectivité du plan de commande
US10314006B2 (en) 2015-03-18 2019-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and methods for paging
US10313208B2 (en) 2014-12-17 2019-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Flexible assignment of network functions for radio access
JP2020500435A (ja) * 2017-10-20 2020-01-09 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． チャネル測定方法およびユーザ機器
CN112425197A (zh) * 2018-06-25 2021-02-26 高通股份有限公司 减少毫米波频率范围内的Scell测量报告的技术
WO2022010397A1 (fr) * 2020-07-10 2022-01-13 Telefonaktiebolaget Lm Ericsson (Publ) Déclenchement de mesure basé sur le trafic de données

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CN102088727A (zh) * 2010-01-19 2011-06-08 大唐移动通信设备有限公司 多载波系统的测量控制方法、系统及装置
CN102130728A (zh) * 2010-01-18 2011-07-20 电信科学技术研究院 一种多载波系统的测量配置方法、系统和设备
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CN102237937A (zh) * 2010-05-04 2011-11-09 中兴通讯股份有限公司 多载波中测量的处理方法及用户设备
CN102238618A (zh) * 2010-05-04 2011-11-09 中兴通讯股份有限公司 多载波中测量任务的启动方法及用户设备
CN102281556A (zh) * 2010-06-13 2011-12-14 中兴通讯股份有限公司 多载波通信系统以及载波聚合中启动测量任务的方法

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CN102130728A (zh) * 2010-01-18 2011-07-20 电信科学技术研究院 一种多载波系统的测量配置方法、系统和设备
CN102088727A (zh) * 2010-01-19 2011-06-08 大唐移动通信设备有限公司 多载波系统的测量控制方法、系统及装置
CN102149118A (zh) * 2010-02-08 2011-08-10 中兴通讯股份有限公司 一种开关多载波管理测量的方法和系统
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CN102281556A (zh) * 2010-06-13 2011-12-14 中兴通讯股份有限公司 多载波通信系统以及载波聚合中启动测量任务的方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10313208B2 (en) 2014-12-17 2019-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Flexible assignment of network functions for radio access
US10314006B2 (en) 2015-03-18 2019-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and methods for paging
WO2016175690A1 (fr) * 2015-04-30 2016-11-03 Telefonaktiebolaget Lm Ericsson (Publ) Création de rapport de mesurage assoupli avec double connectivité du plan de commande
CN108307686A (zh) * 2015-04-30 2018-07-20 瑞典爱立信有限公司 宽松的测量报告与控制平面双连接
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CN108307686B (zh) * 2015-04-30 2021-05-28 瑞典爱立信有限公司 宽松的测量报告与控制平面双连接
JP2020500435A (ja) * 2017-10-20 2020-01-09 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． チャネル測定方法およびユーザ機器
CN112425197A (zh) * 2018-06-25 2021-02-26 高通股份有限公司 减少毫米波频率范围内的Scell测量报告的技术
WO2022010397A1 (fr) * 2020-07-10 2022-01-13 Telefonaktiebolaget Lm Ericsson (Publ) Déclenchement de mesure basé sur le trafic de données

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