WO2011096577A1 - Procédé de communications mobiles, station de base radio et station mobile - Google Patents

Procédé de communications mobiles, station de base radio et station mobile Download PDF

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Publication number
WO2011096577A1
WO2011096577A1 PCT/JP2011/052664 JP2011052664W WO2011096577A1 WO 2011096577 A1 WO2011096577 A1 WO 2011096577A1 JP 2011052664 W JP2011052664 W JP 2011052664W WO 2011096577 A1 WO2011096577 A1 WO 2011096577A1
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WO
WIPO (PCT)
Prior art keywords
mobile station
base station
measurement
radio base
measurement gap
Prior art date
Application number
PCT/JP2011/052664
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English (en)
Japanese (ja)
Inventor
幹生 岩村
啓之 石井
Original Assignee
株式会社エヌ・ティ・ティ・ドコモ
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 株式会社エヌ・ティ・ティ・ドコモ filed Critical 株式会社エヌ・ティ・ティ・ドコモ
Publication of WO2011096577A1 publication Critical patent/WO2011096577A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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 invention relates to a mobile communication method, a radio base station, and a mobile station.
  • a mobile station UE that is performing communication using a carrier having a carrier frequency F1 In the measurement gap (Measurement Gap) in the carrier of F1, measurement (Measurement) at the frequency F2 to be measured is performed.
  • the measurement gap is specified by the information element “MeasGapConfig” in “MeasConfig” transmitted by the radio base station eNB.
  • the mobile station UE performing CA is configured to communicate with the radio base station eNB using a plurality of “Component Carriers (CC)” having different carrier frequencies.
  • CC Component Carriers
  • the radio base station eNB uses any of the plurality of CCs used by the mobile station UE by the existing “MeasGapConfig”. There was a problem that it was impossible to specify whether the measurement gap should be set.
  • the present invention has been made in view of the above-described problems, and provides a mobile communication method, a radio base station, and a mobile station that can set a measurement gap even for a mobile station UE performing CA.
  • the purpose is to do.
  • a first feature of the present invention is a mobile communication method, in which a mobile station starts communication with a radio base station using a plurality of carriers having different carrier frequencies, and the radio base station Transmitting measurement configuration information including a combination of a predetermined carrier and a predetermined measurement gap to the mobile station, and the mobile station performing measurement at a frequency to be measured in the predetermined measurement gap in the predetermined carrier. And having a process to be performed.
  • the second feature of the present invention is a radio base station, and when the mobile station performs communication using a plurality of carriers having different carrier frequencies with the radio base station, the mobile station
  • the gist of the present invention is to include a transmitter configured to transmit measurement configuration information including a combination of a predetermined carrier and a predetermined measurement gap.
  • a third feature of the present invention is a mobile station that performs communication using a plurality of carriers having different carrier frequencies with a radio base station, and from the radio base station, A measurement unit configured to perform measurement at a frequency to be measured in the predetermined measurement gap in the predetermined carrier when receiving measurement configuration information including a combination of the carrier and the predetermined measurement gap; The gist.
  • the present invention it is possible to provide a mobile communication method, a radio base station, and a mobile station that can set a measurement gap even for a mobile station UE performing CA.
  • FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention. It is a figure for demonstrating CA performed with the mobile communication system which concerns on the 1st Embodiment of this invention.
  • FIG. 3 is a functional block diagram of a radio base station according to the first embodiment of the present invention. It is a figure which shows an example of the information element contained in "MeasConfig" transmitted by the radio base station eNB which concerns on the 1st Embodiment of this invention. It is a figure which shows an example of the information element contained in "MeasGapConfig" in "MeasConfig" transmitted by the radio base station eNB which concerns on the 1st Embodiment of this invention.
  • FIG. 3 is a functional block diagram of a mobile station according to the first embodiment of the present invention. It is a figure for demonstrating an example of the inter-F / RAT measurement performed by the mobile station which concerns on the 1st Embodiment of this invention. It is a figure for demonstrating an example of the inter-F / RAT measurement performed by the mobile station which concerns on the 1st Embodiment of this invention.
  • the mobile communication system according to the present embodiment is an LTE-Advanced mobile communication system.
  • the mobile station UE transmits a control signal to the radio base station eNB via a PUCCH (Physical Uplink Control Channel, physical uplink control channel).
  • the data signal is transmitted via the PUSCH (Physical Uplink Shared Channel, physical uplink shared channel).
  • the radio base station eNB transmits a control signal to the mobile station UE via PDCCH (Physical Downlink Control Channel, physical downlink control channel), and PDSCH (Physical).
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical downlink control channel
  • a data signal is transmitted via a Downlink Shared Channel (physical downlink shared channel).
  • the mobile communication system according to the present embodiment is configured such that a plurality of CCs having carrier frequencies F1 to F5 are used.
  • the mobile station UE can perform CA using a predetermined number of CCs (in the example of FIG. 2, for example, three CCs of the carrier frequencies F1 to F3). .
  • the radio base station eNB includes a transmission unit 11, a reception unit 12, and a control unit 13.
  • the transmission unit 11 is configured to transmit “MeasConfig” as an RRC (Radio Resource Control) information element to the mobile station UE via the PDSCH.
  • RRC Radio Resource Control
  • FIG. 4 shows an example of information elements included in the “MeasConfig”.
  • the transmission unit 11 is configured to specify the frequency to be measured in the mobile station UE by the information elements “MeasObjectToRemoveList” and “MeasObjectToAddModList”.
  • the transmission unit 11 is configured to specify the transmission condition of the measurement report (Measurement Report) in the mobile station UE by the information elements “ReportConfigToRemoveList” and “ReportConfigToAddModList”.
  • the transmission unit 11 sets, in the mobile station UE, the information element “MeasGapConfig (A illustrated in FIG. 4)” for the mobile station UE that supports the LTE scheme (Rel.8 / Rel.9). It is configured to specify a power gap.
  • the transmission unit 11 is configured to set either “gp0” or “gp1” to the information element “gapOffset” in “MeasGapConfig”.
  • the radio base station The eNB does not need to specify a CC for which a measurement gap should be set in “MeasGapConfig”.
  • the transmission unit 11 sets, in the mobile station UE, the information element “MeasGapConfigList-r10 (B shown in FIG. 4)” for the mobile station UE corresponding to the LTE scheme (Rel. 10). It is configured to specify the measurement gap to be performed.
  • the transmission unit 11 uses the “MeasGapConfigList-r10 (B shown in FIG. 4)” as a mobile station. It may be configured to specify a measurement gap to be set in the UE.
  • the transmission unit 11 sets in the mobile station UE by “MeasGapConfig (A shown in FIG. 4)”. It may be configured to specify a measurement gap to be performed.
  • the transmission unit 11 is configured to specify the identification information of the CC in which the measurement gap is to be set in the information element “cc-id” in “MeasGapConfigList-r10”. ing.
  • the information element “MeasGapConfig” set in “MeasGapConfigList-r10” is the same as the information element “MeasGapConfig” shown in FIG.
  • the transmission unit 11 specifies the combination of CC and measurement gap (cycle and start position) by the information elements “cc-id” and “MeasGapConfig” in “MeasGapConfigList-r10”, thereby allowing the mobile station UE to The measurement gap to be set can be specified.
  • “MeasGapConfigList-r10” can set a combination of a maximum of eight CCs and measurement gaps (period and start position).
  • MeasGapConfig specified by “MeasGapConfigList-r10” may be common to a plurality of CCs. That is, the same measurement gap period and start position may be commonly applied to a plurality of CCs. Further, the start position of the measurement gap may be configured to be fixedly shifted for each CC.
  • the receiving unit 12 is configured to receive “Measurement Report” transmitted by the mobile station UE.
  • the control unit 13 is configured to determine whether or not the mobile station UE should be handed over based on the “Measurement Report” received by the receiving unit 12.
  • control unit 13 notifies the transmission unit 11 as to whether or not the mobile station UE is compatible with the LTE scheme (Rel. 10), or whether or not the mobile station UE is performing CA. It is configured as follows.
  • the mobile station UE includes a receiving unit 21, a measuring unit 22, and a transmitting unit 23.
  • the receiving unit 21 is configured to receive “MeasConfig” transmitted by the radio base station eNB.
  • the measurement unit 22 is configured to perform measurement specified by the radio base station eNB based on “MeasConfig” transmitted by the radio base station eNB.
  • the measurement unit 22 is configured to perform measurement at the measurement target frequency designated by “MeasConfig” in the measurement gap designated by “MeasConfig”.
  • the measurement unit 22 is shown in FIG. As described above, the measurement at the frequency F4 is performed in the measurement gap in the CC of the carrier frequency F2.
  • the measurement unit 22 As shown in FIG. 9, the measurement is performed at the frequencies F4 and F5 in the measurement gap at the CC of the carrier frequency F2.
  • the measurement unit 22 is configured to perform measurements at the frequencies F4 and F5 in the measurement gap in the CC of the carrier frequencies F2 and F3, as shown in FIG.
  • the measurement unit 22 may be configured to implicitly cancel a measurement gap that has been applied to the specific CC. .
  • the transmission unit 23 is configured to transmit “Measurement Report” including the measurement result to the radio base station eNB when the above-described measurement result satisfies the reporting condition specified by “MeasConfig”. .
  • Step S101 when the mobile station UE receives “MeasConfig” from the radio base station eNB in Step S101, in Step S102, whether “MeasGapConfigList-r10” is included in the “MeasConfig”. judge.
  • the mobile station UE determines that “MeasGapConfigList-r10” is not included, the mobile station UE sets or cancels the measurement gap specified by “MeasGapConfig” in a single CC in communication in step S103. .
  • the mobile station UE is designated by “MeasGapConfig” in the CC designated by “cc-id” in “MeasGapConfigListr10” in step S104. Set or cancel the measurement gap.
  • the first feature of the present embodiment is a mobile communication method, in which the mobile station UE starts communication (CA) using a plurality of CCs (carriers) having different carrier frequencies with the radio base station eNB.
  • a step of performing measurement at a frequency to be measured in a predetermined measurement gap is a mobile communication method, in which the mobile station UE starts communication (CA) using a plurality of CCs (carriers) having different carrier frequencies with the radio base station eNB.
  • the second feature of the present embodiment is a radio base station eNB, and the mobile station UE performs communication (CA) using a plurality of CCs having different carrier frequencies with the radio base station eNB.
  • the gist is to include a transmission unit 11 configured to transmit “MeasConfig” including a combination of a predetermined carrier and a predetermined measurement gap to the mobile station UE.
  • the third feature of the present embodiment is a case where the mobile station UE performs communication (CA) using a plurality of CCs having different carrier frequencies with the radio base station eNB, and is wireless.
  • CA communication
  • the measurement unit 22 configured to perform measurement at a frequency to be measured in the predetermined measurement gap in the predetermined carrier. It is a summary to comprise.
  • the operations of the mobile station UE and the radio base station eNB described above may be implemented by hardware, may be implemented by a software module executed by a processor, or may be implemented by a combination of both. .
  • Software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, and Hard Disk). Alternatively, it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
  • Such a storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the mobile station UE and the radio base station eNB. Further, the storage medium and the processor may be provided in the mobile station UE and the radio base station eNB as discrete components.
  • the present invention it is possible to provide a mobile communication method, a radio base station, and a mobile station that can set a measurement gap even for a mobile station UE performing CA.
  • UE ... mobile station eNB ... radio base station 11, 23 ... transmitting unit 12, 21 ... receiving unit 13 ... control unit 22 ... measurement unit

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

Abstract

L'invention concerne notamment un procédé de communications mobiles comportant les étapes suivantes : une étape lors de laquelle une station mobile (UE) entame une communication (CA) avec une station de base radio (eNB) en utilisant une pluralité de composantes porteuses dotées de fréquences de transport différentes; une étape lors de laquelle la station de base radio (eNB) envoie à la station mobile (UE) une "MeasConfig" qui contient une combinaison d'une composante porteuse donnée et un intervalle de mesure donné; et une étape lors de laquelle la station mobile (UE) effectue une mesure sur une fréquence cible au cours de l'intervalle de mesure donné pour la composante porteuse donnée.
PCT/JP2011/052664 2010-02-08 2011-02-08 Procédé de communications mobiles, station de base radio et station mobile WO2011096577A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-025965 2010-02-08
JP2010025965A JP2011166387A (ja) 2010-02-08 2010-02-08 移動通信方法、無線基地局及び移動局

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018202075A1 (fr) * 2017-05-05 2018-11-08 维沃移动通信有限公司 Procédé, nœud et terminal de configuration destinés à être utilisés avec des intervalles de mesure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103888987B (zh) * 2014-03-21 2017-12-19 电信科学技术研究院 一种数据传输及其控制方法及装置
US11284280B2 (en) 2014-06-17 2022-03-22 Ntt Docomo, Inc. User apparatus, base station, and time difference information notification method

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2008085952A1 (fr) * 2007-01-08 2008-07-17 Interdigital Technology Corporation Planification de modèle d'intervalle de mesure permettant d'assurer une mobilité

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Publication number Priority date Publication date Assignee Title
WO2008085952A1 (fr) * 2007-01-08 2008-07-17 Interdigital Technology Corporation Planification de modèle d'intervalle de mesure permettant d'assurer une mobilité

Non-Patent Citations (1)

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Title
LG ELECTRONICS INC.: "Discussion on Measurement for CA", 3GPP TSG-RAN WG2 #66BIS R2-093877, 3 July 2009 (2009-07-03), pages 1 - 4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018202075A1 (fr) * 2017-05-05 2018-11-08 维沃移动通信有限公司 Procédé, nœud et terminal de configuration destinés à être utilisés avec des intervalles de mesure
US11523294B2 (en) 2017-05-05 2022-12-06 Vivo Mobile Communication Co., Ltd. Measurement gap configuration method, node and user equipment
US11917443B2 (en) 2017-05-05 2024-02-27 Vivo Mobile Communication Co., Ltd. Measurement gap configuration method, node and user equipment

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