WO2013172438A1 - Wireless base station and mobile station - Google Patents

Wireless base station and mobile station Download PDF

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Publication number
WO2013172438A1
WO2013172438A1 PCT/JP2013/063747 JP2013063747W WO2013172438A1 WO 2013172438 A1 WO2013172438 A1 WO 2013172438A1 JP 2013063747 W JP2013063747 W JP 2013063747W WO 2013172438 A1 WO2013172438 A1 WO 2013172438A1
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carrier
cell
base station
fdd
primary
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PCT/JP2013/063747
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French (fr)
Japanese (ja)
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高橋　秀明
石井　啓之
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株式会社エヌ・ティ・ティ・ドコモ
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Publication of WO2013172438A1 publication Critical patent/WO2013172438A1/en

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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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present invention relates to a radio base station and a mobile station.
  • PCell Primary Cell
  • PCC Primary Component Carrier, Primary Carrier
  • SCC Secondary Cell Carrier Secondary Cell
  • CA Carrier Aggregation, carrier aggregation
  • CA using a plurality of FDD (Frequency Division Duplex) scheme carriers and CA using a plurality of TDD (Time Division Duplex) scheme carriers can be performed.
  • 3GPP TS36.300 3GPP TS 36.211
  • 3GPP TS36.212 3GPP TS36.213
  • the present invention has been made in view of the above-described problems, and provides a radio base station and a mobile station that can appropriately perform CA using an FDD carrier and a TDD carrier. Objective.
  • a first feature of the present invention is a radio base station, and when performing carrier aggregation using an FDD carrier and a TDD carrier, the FDD carrier is a primary carrier, and the TDD carrier is used. And a control unit configured to be a secondary carrier.
  • a second feature of the present invention is a mobile station, and when performing carrier aggregation using an FDD carrier and a TDD carrier, the FDD carrier is used as a primary carrier, and the TDD carrier is used as a carrier.
  • the gist is to include a control unit configured to be a secondary carrier.
  • FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
  • FIG. 2 is an overall configuration diagram of the mobile communication system according to the first embodiment of the present invention.
  • FIG. 3 is a functional block diagram of the radio base station according to the first embodiment of the present invention.
  • FIG. 4 is a diagram for explaining CA performed in the mobile communication system according to the first embodiment of the present invention.
  • FIG. 5 is a functional block diagram of the mobile station according to the first embodiment of the present invention.
  • Mobile communication system according to the first embodiment of the present invention A mobile communication system according to a first embodiment of the present invention will be described with reference to FIG. 1 to FIG.
  • the mobile communication system supports the LTE-Advanced scheme and is configured to perform CA using Pcell and Scell.
  • the mobile communication system is configured to perform CA using an FDD carrier f1 and a TDD carrier f10. Yes.
  • the radio base station eNB is configured to manage a carrier f1 of FDD scheme and a carrier f10 of TDD scheme.
  • the radio base station eNB includes a control unit 11, a transmission unit 12, and a reception unit 13.
  • the control unit 11 is configured to perform various control processes in the radio base station eNB, for example, a CA control process and a scheduling process.
  • control unit 11 when performing CA using the FDD carrier f1 and the TDD carrier f10, the control unit 11 is configured so that the FDD carrier f1 is PCC and the TDD carrier f10 is SCC. ing.
  • the transmission unit 12 is configured to transmit various signals to the mobile station UE
  • the reception unit 13 is configured to receive various signals from the mobile station UE.
  • the transmission unit 12 may be configured to transmit scheduling information in Scell using “DCI (Downlink Control Information) Format” for Pcell.
  • DCI Downlink Control Information
  • the transmission unit 12 uses PDCCH (Physical Downlink Channel, Physical Downlink Control Channel) in Pcell, and PDSCH (Physical Downlink in Physical) , Scheduling information for instructing reception of a downlink data signal via a physical downlink shared channel) can be transmitted.
  • PDCCH Physical Downlink Channel
  • PDSCH Physical Downlink in Physical
  • the PDCCH in the Pcell and the PDSCH in the Scell can be assigned to the same subframe (TTI: Transmission Time Interval).
  • the transmission unit 12 when performing “Cross Carrier Scheduling”, uses the PDCCH in Pcell, and the uplink data via PUSCH (Physical Uplink Shared Channel, physical uplink shared channel) in Scell. It can be configured to transmit scheduling information for instructing transmission of a signal.
  • PUSCH Physical Uplink Shared Channel, physical uplink shared channel
  • the PUSCH in the Scell is allocated to the subframe # n + 4.
  • the transmission timing (subframe) in Pcell and the transmission timing (subframe) in Scell are preferably synchronized.
  • CA using the FDD carrier f1 and the TDD carrier f10 can be performed by applying the Release-10 / 11 LTE specification, for example, the existing PDCCH as it is. .
  • the receiving unit 13 may be configured to receive UCI (Uplink Control Information) in Scell via PUCCH (Physical Uplink Control Channel, physical uplink control channel) in Pcell.
  • UCI Uplink Control Information
  • PUCCH Physical Uplink Control Channel, physical uplink control channel
  • the UCI includes a CQI (Channel Quality Indicator), a HARQ signal (ACK / NACK) for a downlink signal, and an SR (Scheduling Request).
  • CQI Channel Quality Indicator
  • HARQ signal ACK / NACK
  • SR Service Request
  • the receiving unit 13 may be configured to receive UCI in a state of being piggy-backed on the PUSCH in the Scell.
  • transmission via the uplink in the FDD carrier f1 can be performed without being affected by the downlink and uplink transmission timing in the TDD carrier f10.
  • the mobile station UE includes a reception unit 21, a control unit 22, and a transmission unit 23.
  • the receiving unit 21 is configured to receive various signals from the radio base station eNB, and the transmitting unit 23 is configured to transmit various signals to the radio base station eNB.
  • the control unit 22 is configured to perform various control processes in the mobile station UE, for example, a CA control process and a scheduling process.
  • the control unit 22 sets the FDD carrier f1 to PCC and the TDD carrier f10 to SCC. It is configured.
  • the receiving unit 21 is configured to receive scheduling information in Scell using “DCI Format” for Pcell.
  • the receiving unit 21 instructs scheduling information for instructing transmission of an uplink data signal via the PUSCH in the Scell via the PDCCH in the Pcell, and reception of a downlink data signal via the PDSCH in the Scell. It is configured to receive scheduling information.
  • the transmission part 23 is comprised so that UCI in Scell may be transmitted via PUCCH in Pcell.
  • the transmission unit 23 may be configured to transmit such UCI by piggy-backing the PUSCH in the Scell.
  • CA is appropriately performed using the FDD carrier f1 and the TDD carrier f10 while minimizing changes to the existing Release-10 / 11 LTE specification. be able to.
  • the first feature of the present embodiment is a radio base station eNB, and when performing CA using an FDD carrier f1 and a TDD carrier f10, the FDD carrier f1 is a PCC (primary carrier).
  • the gist of the present invention is to include a control unit 11 configured to use the TDD carrier f10 as an SCC (secondary carrier).
  • WHEREIN It is comprised so that UCI (uplink control information) in Scell (secondary cell) which is a serving cell in SCC may be received via PUCCH in Pcell (primary cell) which is a serving cell in PCC.
  • the receiving unit 13 may be provided.
  • a transmission unit 12 configured to transmit scheduling information in Scell using “DCI Format (format of downlink control information)” for Pcell may be provided. Good.
  • the second feature of the present embodiment is the mobile station UE, and when performing CA using the FDD carrier f1 and the TDD carrier f10, the FDD carrier f1 is PCC and the TDD carrier is used.
  • the gist is to include a control unit 22 configured so that f10 is SCC.
  • a transmission unit 23 configured to transmit UCI in Scell via PUCCH in Pcell may be provided.
  • the reception unit 21 configured to receive the scheduling information in the Scell using the “DCI Format” for Pcell may be provided.
  • 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 an arbitrary format storage medium such as a CD-ROM.
  • the 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 or the radio base station eNB. Further, the storage medium and the processor may be provided as a discrete component in the mobile station UE or the radio base station eNB.
  • UE ... mobile station eNB ... radio base station 11, 22 ... control unit 12, 23 ... transmission unit 13, 21 ... reception unit

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

Abstract

In order to suitably carry out CA using FDD carriers and TDD carriers a wireless base station (eNB) according to the present invention is equipped with a control unit (11) which is configured such that, when CA is carried out using FDD carriers (f1) and TDD carriers (f10), the FDD carriers (f1) serve as PCCs and the TDD carriers (f10) serve as SCCs.

Description

無線基地局及び移動局Radio base station and mobile station
　本発明は、無線基地局及び移動局に関する。 The present invention relates to a radio base station and a mobile station.
　ＬＴＥ（Ｌｏｎｇ　Ｔｅｒｍ　Ｅｖｏｌｕｔｉｏｎ）-Ａｄｖａｎｃｅｄ方式では、ＰＣＣ（Ｐｒｉｍａｒｙ　Ｃｏｍｐｏｎｅｎｔ　Ｃａｒｒｉｅｒ、プライマリキャリア）におけるサービングセルであるＰｃｅｌｌ（Ｐｒｉｍａｒｙ　Ｃｅｌｌ、プライマリセル）及びＳＣＣ（Ｓｅｃｏｎｄａｒｙ　Ｃｏｍｐｏｎｅｎｔ　Ｃａｒｒｉｅｒ、セカンダリキャリア）におけるサービングセルであるＳｃｅｌｌ（Ｓｅｃｏｎｄａｒｙ　Ｃｅｌｌ、セカンダリセル）を用いて、ＣＡ（Ｃａｒｒｉｅｒ　Ａｇｇｒｅｇａｔｉｏｎ、キャリアアグリゲーション）を行うことができる。 In LTE (Long Term Evolution) -Advanced method, PCell (Primary Cell, Primary Cell) serving as a serving cell in PCC (Primary Component Carrier, Primary Carrier) and SCC (Secondary Cell Carrier Secondary Cell). CA (Carrier Aggregation, carrier aggregation) can be performed using a secondary cell.
　なお、Ｒｅｌｅａｓｅ１１までのＬＴＥ-Ａｄｖａｎｃｅｄ方式では、複数のＦＤＤ（Ｆｒｅｑｕｅｎｃｙ　Ｄｉｖｉｓｉｏｎ　Ｄｕｐｌｅｘ）方式のキャリアを用いたＣＡ、及び、複数のＴＤＤ（Ｔｉｍｅ　Ｄｉｖｉｓｉｏｎ　Ｄｕｐｌｅｘ）方式のキャリアを用いたＣＡを行うことができる。 In the LTE-Advanced scheme up to Release 11, CA using a plurality of FDD (Frequency Division Duplex) scheme carriers and CA using a plurality of TDD (Time Division Duplex) scheme carriers can be performed.
　これに対して、Ｒｅｌｅａｓｅ１２のＬＴＥ-Ａｄｖａｎｃｅｄ方式では、ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いたＣＡを行うことについて検討されようとしている。 On the other hand, in the LTE-Advanced system of Release 12, it is being considered to perform CA using an FDD system carrier and a TDD system carrier.
　そこで、本発明は、上述の課題に鑑みてなされたものであり、適切に、ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いたＣＡを行うことができる無線基地局及び移動局を提供することを目的とする。 Therefore, the present invention has been made in view of the above-described problems, and provides a radio base station and a mobile station that can appropriately perform CA using an FDD carrier and a TDD carrier. Objective.
　本発明の第１の特徴は、無線基地局であって、ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いてキャリアアグリゲーションを行う場合に、該ＦＤＤ方式のキャリアをプライマリキャリアとし、該ＴＤＤ方式のキャリアをセカンダリキャリアとするように構成されている制御部を具備することを要旨とする。 A first feature of the present invention is a radio base station, and when performing carrier aggregation using an FDD carrier and a TDD carrier, the FDD carrier is a primary carrier, and the TDD carrier is used. And a control unit configured to be a secondary carrier.
　本発明の第２の特徴は、移動局であって、ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いてキャリアアグリゲーションを行う場合に、該ＦＤＤ方式のキャリアをプライマリキャリアとし、該ＴＤＤ方式のキャリアをセカンダリキャリアとするように構成されている制御部を具備することを要旨とする。 A second feature of the present invention is a mobile station, and when performing carrier aggregation using an FDD carrier and a TDD carrier, the FDD carrier is used as a primary carrier, and the TDD carrier is used as a carrier. The gist is to include a control unit configured to be a secondary carrier.
図１は、本発明の第１の実施形態に係る移動通信システムの全体構成図である。FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention. 図２は、本発明の第１の実施形態に係る移動通信システムの全体構成図である。FIG. 2 is an overall configuration diagram of the mobile communication system according to the first embodiment of the present invention. 図３は、本発明の第１の実施形態に係る無線基地局の機能ブロック図である。FIG. 3 is a functional block diagram of the radio base station according to the first embodiment of the present invention. 図４は、本発明の第１の実施形態に係る移動通信システムにおいて行われるＣＡについて説明するための図である。FIG. 4 is a diagram for explaining CA performed in the mobile communication system according to the first embodiment of the present invention. 図５は、本発明の第１の実施形態に係る移動局の機能ブロック図である。FIG. 5 is a functional block diagram of the mobile station according to the first embodiment of the present invention.
（本発明の第１の実施形態に係る移動通信システム）
　図１乃至図５を参照して、本発明の第１の実施形態に係る移動通信システムについて説明する。 (Mobile communication system according to the first embodiment of the present invention)
A mobile communication system according to a first embodiment of the present invention will be described with reference to FIG. 1 to FIG.
　本実施形態に係る移動通信システムは、ＬＴＥ-Ａｄｖａｎｃｅｄ方式をサポートするものであって、Ｐｃｅｌｌ及びＳｃｅｌｌを用いてＣＡを行うことができるように構成されている。 The mobile communication system according to the present embodiment supports the LTE-Advanced scheme and is configured to perform CA using Pcell and Scell.
　具体的には、図１及び図２に示すように、本実施形態に係る移動通信システムは、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いたＣＡを行うことができるように構成されている。 Specifically, as shown in FIGS. 1 and 2, the mobile communication system according to the present embodiment is configured to perform CA using an FDD carrier f1 and a TDD carrier f10. Yes.
　ここで、図１に示すように、無線基地局ｅＮＢは、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を管理するように構成されている。 Here, as shown in FIG. 1, the radio base station eNB is configured to manage a carrier f1 of FDD scheme and a carrier f10 of TDD scheme.
　図３に示すように、本実施形態に係る無線基地局ｅＮＢは、制御部１１と、送信部１２と、受信部１３とを具備している。 As illustrated in FIG. 3, the radio base station eNB according to the present embodiment includes a control unit 11, a transmission unit 12, and a reception unit 13.
　制御部１１は、無線基地局ｅＮＢにおける各種制御処理、例えば、ＣＡ制御処理やスケジューリング処理を行うように構成されている。 The control unit 11 is configured to perform various control processes in the radio base station eNB, for example, a CA control process and a scheduling process.
　ここで、制御部１１は、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いてＣＡを行う場合に、ＦＤＤ方式のキャリアｆ１をＰＣＣとし、ＴＤＤ方式のキャリアｆ１０をＳＣＣとするように構成されている。 Here, when performing CA using the FDD carrier f1 and the TDD carrier f10, the control unit 11 is configured so that the FDD carrier f1 is PCC and the TDD carrier f10 is SCC. ing.
　送信部１２は、移動局ＵＥに対して、各種信号を送信するように構成されており、受信部１３は、移動局ＵＥから、各種信号を受信するように構成されている。 The transmission unit 12 is configured to transmit various signals to the mobile station UE, and the reception unit 13 is configured to receive various signals from the mobile station UE.
　例えば、送信部１２は、Ｐｃｅｌｌ用の「ＤＣＩ（Ｄｏｗｎｌｉｎｋ　Ｃｏｎｔｒｏｌ　Ｉｎｆｏｒｍａｔｉｏｎ）　Ｆｏｒｍａｔ」を用いて、Ｓｃｅｌｌにおけるスケジューリング情報を送信するように構成されていてもよい。 For example, the transmission unit 12 may be configured to transmit scheduling information in Scell using “DCI (Downlink Control Information) Format” for Pcell.
　すなわち、図４に示すように、「Ｃｒｏｓｓ　Ｃａｒｒｉｅｒ　Ｓｃｈｅｄｕｌｉｎｇ」を行う場合、送信部１２は、ＰｃｅｌｌにおけるＰＤＣＣＨ（Ｐｈｙｓｉｃａｌ　Ｄｏｗｎｌｉｎｋ　Ｃｏｎｔｒｏｌ　Ｃｈａｎｎｅｌ、物理下りリンク制御チャネル）を用いて、ＳｃｅｌｌにおけるＰＤＳＣＨ（Ｐｈｙｓｉｃａｌ　Ｄｏｗｎｌｉｎｋ　Ｓｈａｒｅｄ　Ｃｈａｎｎｅｌ、物理下りリンク共有チャネル）を介した下りデータ信号の受信を指示するためのスケジューリング情報を送信するように構成することができる。 That is, as shown in FIG. 4, when performing “Cross Carrier Scheduling”, the transmission unit 12 uses PDCCH (Physical Downlink Channel, Physical Downlink Control Channel) in Pcell, and PDSCH (Physical Downlink in Physical) , Scheduling information for instructing reception of a downlink data signal via a physical downlink shared channel) can be transmitted.
　ここで、ＰｃｅｌｌにおけるＰＤＣＣＨ及びＳｃｅｌｌにおけるＰＤＳＣＨは、同一のサブフレーム（ＴＴＩ：Ｔｒａｎｓｍｉｓｓｉｏｎ　Ｔｉｍｅ　Ｉｎｔｅｒｖａｌ）に割り当てることができる。 Here, the PDCCH in the Pcell and the PDSCH in the Scell can be assigned to the same subframe (TTI: Transmission Time Interval).
　また、図４に示すように、「Ｃｒｏｓｓ　Ｃａｒｒｉｅｒ　Ｓｃｈｅｄｕｌｉｎｇ」を行う場合、送信部１２は、ＰｃｅｌｌにおけるＰＤＣＣＨを用いて、ＳｃｅｌｌにおけるＰＵＳＣＨ（Ｐｈｙｓｉｃａｌ　Ｕｐｌｉｎｋ　Ｓｈａｒｅｄ　Ｃｈａｎｎｅｌ、物理上りリンク共有チャネル）を介した上りデータ信号の送信を指示するためのスケジューリング情報を送信するように構成することができる。 Also, as shown in FIG. 4, when performing “Cross Carrier Scheduling”, the transmission unit 12 uses the PDCCH in Pcell, and the uplink data via PUSCH (Physical Uplink Shared Channel, physical uplink shared channel) in Scell. It can be configured to transmit scheduling information for instructing transmission of a signal.
　ここで、ＰｃｅｌｌにおけるＰＤＣＣＨは、サブフレーム＃ｎに割り当てられる場合、ＳｃｅｌｌにおけるＰＵＳＣＨは、サブフレーム＃ｎ＋４に割り当てられるものとする。 Here, when the PDCCH in the Pcell is allocated to the subframe #n, the PUSCH in the Scell is allocated to the subframe # n + 4.
　なお、Ｐｃｅｌｌにおける送信タイミング（サブフレーム）及びＳｃｅｌｌにおける送信タイミング（サブフレーム）は、同期していることが好ましい。 Note that the transmission timing (subframe) in Pcell and the transmission timing (subframe) in Scell are preferably synchronized.
　かかる構成によれば、Ｒｅｌｅａｓｅ-１０/１１のＬＴＥ方式の仕様、例えば、既存のＰＤＣＣＨを、そのまま適用することで、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いたＣＡを行うことができる。 According to this configuration, CA using the FDD carrier f1 and the TDD carrier f10 can be performed by applying the Release-10 / 11 LTE specification, for example, the existing PDCCH as it is. .
　また、受信部１３は、ＰｃｅｌｌにおけるＰＵＣＣＨ（Ｐｈｙｓｉｃａｌ　Ｕｐｌｉｎｋ　Ｃｏｎｔｒｏｌ　Ｃｈａｎｎｅｌ、物理上りリンク制御チャネル）を介して、ＳｃｅｌｌにおけるＵＣＩ（Ｕｐｌｉｎｋ　Ｃｏｎｔｒｏｌ　Ｉｎｆｏｒｍａｔｉｏｎ）を受信するように構成されていてもよい。 Also, the receiving unit 13 may be configured to receive UCI (Uplink Control Information) in Scell via PUCCH (Physical Uplink Control Channel, physical uplink control channel) in Pcell.
　ここで、ＵＣＩには、ＣＱＩ（Ｃｈａｎｎｅｌ　Ｑｕａｌｉｔｙ　Ｉｎｄｉｃａｔｏｒ）や、下りリンク信号に対するＨＡＲＱ信号（ＡＣＫ/ＮＡＣＫ）や、ＳＲ（Ｓｃｈｅｄｕｌｉｎｇ　Ｒｅｑｕｅｓｔ）が含まれる。 Here, the UCI includes a CQI (Channel Quality Indicator), a HARQ signal (ACK / NACK) for a downlink signal, and an SR (Scheduling Request).
　なお、受信部１３は、ＳｃｅｌｌにおけるＰＵＳＣＨに対してＰｉｇｇｙ-Ｂａｃｋされた状態のＵＣＩを受信するように構成されていてもよい。 Note that the receiving unit 13 may be configured to receive UCI in a state of being piggy-backed on the PUSCH in the Scell.
　かかる構成によれば、ＴＤＤ方式のキャリアｆ１０における下りリンク及び上りリンクの送信タイミングに影響されることなく、ＦＤＤ方式のキャリアｆ１における上りリンクを介した送信を行うことができる。 According to such a configuration, transmission via the uplink in the FDD carrier f1 can be performed without being affected by the downlink and uplink transmission timing in the TDD carrier f10.
　図５に示すように、本実施形態に係る移動局ＵＥは、受信部２１と、制御部２２と、送信部２３とを具備している。 As shown in FIG. 5, the mobile station UE according to the present embodiment includes a reception unit 21, a control unit 22, and a transmission unit 23.
　受信部２１は、無線基地局ｅＮＢから、各種信号を受信するように構成されており、送信部２３は、無線基地局ｅＮＢに対して、各種信号を送信するように構成されている。 The receiving unit 21 is configured to receive various signals from the radio base station eNB, and the transmitting unit 23 is configured to transmit various signals to the radio base station eNB.
　制御部２２は、移動局ＵＥにおける各種制御処理、例えば、ＣＡ制御処理やスケジューリング処理を行うように構成されている。 The control unit 22 is configured to perform various control processes in the mobile station UE, for example, a CA control process and a scheduling process.
　具体的には、制御部２２は、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いてＣＡを行う場合に、ＦＤＤ方式のキャリアｆ１をＰＣＣとし、ＴＤＤ方式のキャリアｆ１０をＳＣＣとするように構成されている。 Specifically, when performing CA using the FDD carrier f1 and the TDD carrier f10, the control unit 22 sets the FDD carrier f1 to PCC and the TDD carrier f10 to SCC. It is configured.
　例えば、受信部２１は、Ｐｃｅｌｌ用の「ＤＣＩ　Ｆｏｒｍａｔ」を用いて、Ｓｃｅｌｌにおけるスケジューリング情報を受信するように構成されている。 For example, the receiving unit 21 is configured to receive scheduling information in Scell using “DCI Format” for Pcell.
　すなわち、受信部２１は、ＰｃｅｌｌにおけるＰＤＣＣＨを介して、ＳｃｅｌｌにおけるＰＵＳＣＨを介した上りデータ信号の送信を指示するためのスケジューリング情報や、ＳｃｅｌｌにおけるＰＤＳＣＨを介した下りデータ信号の受信を指示するためのスケジューリング情報を受信するように構成されている。 That is, the receiving unit 21 instructs scheduling information for instructing transmission of an uplink data signal via the PUSCH in the Scell via the PDCCH in the Pcell, and reception of a downlink data signal via the PDSCH in the Scell. It is configured to receive scheduling information.
　また、送信部２３は、ＳｃｅｌｌにおけるＵＣＩを、ＰｃｅｌｌにおけるＰＵＣＣＨを介して送信するように構成されている。 Moreover, the transmission part 23 is comprised so that UCI in Scell may be transmitted via PUCCH in Pcell.
　ここで、送信部２３は、かかるＵＣＩについて、ＳｃｅｌｌにおけるＰＵＳＣＨに対してＰｉｇｇｙ-Ｂａｃｋすることによって送信するように構成されていてもよい。 Here, the transmission unit 23 may be configured to transmit such UCI by piggy-backing the PUSCH in the Scell.
　本実施形態に係る発明によれば、既存のＲｅｌｅａｓｅ-１０/１１のＬＴＥ方式の仕様に対する変更を最小限しつつ、適切に、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いたＣＡを行うことができる。 According to the invention of this embodiment, CA is appropriately performed using the FDD carrier f1 and the TDD carrier f10 while minimizing changes to the existing Release-10 / 11 LTE specification. be able to.
　以上に述べた本実施形態の特徴は、以下のように表現されていてもよい。 The features of the present embodiment described above may be expressed as follows.
　本実施形態の第１の特徴は、無線基地局ｅＮＢであって、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いてＣＡを行う場合に、ＦＤＤ方式のキャリアｆ１をＰＣＣ（プライマリキャリア）とし、ＴＤＤ方式のキャリアｆ１０をＳＣＣ（セカンダリキャリア）とするように構成されている制御部１１を具備することを要旨とする。 The first feature of the present embodiment is a radio base station eNB, and when performing CA using an FDD carrier f1 and a TDD carrier f10, the FDD carrier f1 is a PCC (primary carrier). The gist of the present invention is to include a control unit 11 configured to use the TDD carrier f10 as an SCC (secondary carrier).
　本実施形態の第１の特徴において、ＰＣＣにおけるサービングセルであるＰｃｅｌｌ（プライマリセル）におけるＰＵＣＣＨを介して、ＳＣＣにおけるサービングセルであるＳｃｅｌｌ（セカンダリセル）におけるＵＣＩ（上りリンク制御情報）を受信するように構成されている受信部１３を具備してもよい。 1st characteristic of this embodiment WHEREIN: It is comprised so that UCI (uplink control information) in Scell (secondary cell) which is a serving cell in SCC may be received via PUCCH in Pcell (primary cell) which is a serving cell in PCC. The receiving unit 13 may be provided.
　本実施形態の第１の特徴において、Ｐｃｅｌｌ用の「ＤＣＩ　Ｆｏｒｍａｔ（下りリンク制御情報のフォーマット）」を用いて、Ｓｃｅｌｌにおけるスケジューリング情報を送信するように構成されている送信部１２を具備してもよい。 In the first feature of the present embodiment, a transmission unit 12 configured to transmit scheduling information in Scell using “DCI Format (format of downlink control information)” for Pcell may be provided. Good.
　本実施形態の第２の特徴は、移動局ＵＥであって、ＦＤＤ方式のキャリアｆ１及びＴＤＤ方式のキャリアｆ１０を用いてＣＡを行う場合に、ＦＤＤ方式のキャリアｆ１をＰＣＣとし、ＴＤＤ方式のキャリアｆ１０をＳＣＣとするように構成されている制御部２２を具備することを要旨とする。 The second feature of the present embodiment is the mobile station UE, and when performing CA using the FDD carrier f1 and the TDD carrier f10, the FDD carrier f1 is PCC and the TDD carrier is used. The gist is to include a control unit 22 configured so that f10 is SCC.
　本実施形態の第２の特徴において、ＳｃｅｌｌにおけるＵＣＩを、ＰｃｅｌｌにおけるＰＵＣＣＨを介して送信するように構成されている送信部２３を具備してもよい。 In the second feature of the present embodiment, a transmission unit 23 configured to transmit UCI in Scell via PUCCH in Pcell may be provided.
　本実施形態の第２の特徴において、Ｐｃｅｌｌ用の「ＤＣＩ　Ｆｏｒｍａｔ」を用いて、Ｓｃｅｌｌにおけるスケジューリング情報を受信するように構成されている受信部２１を具備してもよい。 In the second feature of the present embodiment, the reception unit 21 configured to receive the scheduling information in the Scell using the “DCI Format” for Pcell may be provided.
　なお、上述の移動局ＵＥや無線基地局ｅＮＢの動作は、ハードウェアによって実施されてもよいし、プロセッサによって実行されるソフトウェアモジュールによって実施されてもよいし、両者の組み合わせによって実施されてもよい。 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. .
　ソフトウェアモジュールは、ＲＡＭ（Ｒａｎｄｏｍ　Ａｃｃｅｓｓ　Ｍｅｍｏｒｙ）や、フラッシュメモリや、ＲＯＭ（Ｒｅａｄ　Ｏｎｌｙ　Ｍｅｍｏｒｙ）や、ＥＰＲＯＭ（Ｅｒａｓａｂｌｅ　Ｐｒｏｇｒａｍｍａｂｌｅ　ＲＯＭ）や、ＥＥＰＲＯＭ（Ｅｌｅｃｔｒｏｎｉｃａｌｌｙ　Ｅｒａｓａｂｌｅ　ａｎｄ　Ｐｒｏｇｒａｍｍａｂｌｅ　ＲＯＭ）や、レジスタや、ハードディスクや、リムーバブルディスクや、ＣＤ-ＲＯＭといった任意形式の記憶媒体内に設けられていてもよい。 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 an arbitrary format storage medium such as a CD-ROM.
　かかる記憶媒体は、プロセッサが当該記憶媒体に情報を読み書きできるように、当該プロセッサに接続されている。また、かかる記憶媒体は、プロセッサに集積されていてもよい。また、かかる記憶媒体及びプロセッサは、ＡＳＩＣ内に設けられていてもよい。かかるＡＳＩＣは、移動局ＵＥや無線基地局ｅＮＢ内に設けられていてもよい。また、かかる記憶媒体及びプロセッサは、ディスクリートコンポーネントとして移動局ＵＥや無線基地局ｅＮＢ内に設けられていてもよい。 The 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 or the radio base station eNB. Further, the storage medium and the processor may be provided as a discrete component in the mobile station UE or the radio base station eNB.
　以上、上述の実施形態を用いて本発明について詳細に説明したが、当業者にとっては、本発明が本明細書中に説明した実施形態に限定されるものではないということは明らかである。本発明は、特許請求の範囲の記載により定まる本発明の趣旨及び範囲を逸脱することなく修正及び変更態様として実施することができる。従って、本明細書の記載は、例示説明を目的とするものであり、本発明に対して何ら制限的な意味を有するものではない。 As described above, the present invention has been described in detail using the above-described embodiments. However, it is obvious for those skilled in the art that the present invention is not limited to the embodiments described in the present specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.
　なお、日本国特許出願第２０１２－１１４７７１号（２０１２年５月１８日出願）の全内容が、参照により、本願明細書に組み込まれている。 Note that the entire content of Japanese Patent Application No. 2012-114771 (filed on May 18, 2012) is incorporated herein by reference.
　以上説明したように、本発明によれば、適切に、ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いたＣＡを行うことができる無線基地局及び移動局を提供することができる。 As described above, according to the present invention, it is possible to provide a radio base station and a mobile station that can appropriately perform CA using an FDD carrier and a TDD carrier.
ＵＥ…移動局
ｅＮＢ…無線基地局
１１、２２…制御部
１２、２３…送信部
１３、２１…受信部 UE ... mobile station eNB ... radio base station 11, 22 ... control unit 12, 23 ... transmission unit 13, 21 ... reception unit

Claims (6)

  1. 　ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いてキャリアアグリゲーションを行う場合に、該ＦＤＤ方式のキャリアをプライマリキャリアとし、該ＴＤＤ方式のキャリアをセカンダリキャリアとするように構成されている制御部を具備することを特徴とする無線基地局。 When performing carrier aggregation using an FDD carrier and a TDD carrier, a controller configured to use the FDD carrier as a primary carrier and the TDD carrier as a secondary carrier is provided. A wireless base station characterized by that.
  2. 　前記プライマリキャリアにおけるサービングセルであるプライマリセルにおけるＰＵＣＣＨを介して、前記セカンダリキャリアにおけるサービングセルであるセカンダリセルにおける上りリンク制御情報を受信するように構成されている受信部を具備することを特徴とする請求項１に記載の無線基地局。 The reception unit configured to receive uplink control information in a secondary cell serving as a serving cell in the secondary carrier via a PUCCH in a primary cell serving as a serving cell in the primary carrier. The radio base station according to 1.
  3. 　前記プライマリセル用の下りリンク制御情報のフォーマットを用いて、前記セカンダリセルにおけるスケジューリング情報を送信するように構成されている送信部を具備することを特徴とする請求項２に記載の無線基地局。 The radio base station according to claim 2, further comprising a transmitter configured to transmit scheduling information in the secondary cell using a format of downlink control information for the primary cell.
  4. 　ＦＤＤ方式のキャリア及びＴＤＤ方式のキャリアを用いてキャリアアグリゲーションを行う場合に、該ＦＤＤ方式のキャリアをプライマリキャリアとし、該ＴＤＤ方式のキャリアをセカンダリキャリアとするように構成されている制御部を具備することを特徴とする移動局。 When performing carrier aggregation using an FDD carrier and a TDD carrier, a controller configured to use the FDD carrier as a primary carrier and the TDD carrier as a secondary carrier is provided. A mobile station characterized by that.
  5. 　前記セカンダリキャリアにおけるサービングセルであるセカンダリセルにおける上りリンク制御情報を、前記プライマリキャリアにおけるサービングセルであるプライマリセルにおけるＰＵＣＣＨを介して送信するように構成されている送信部を具備することを特徴とする請求項４に記載の移動局。 The transmission unit configured to transmit uplink control information in a secondary cell that is a serving cell in the secondary carrier via a PUCCH in a primary cell that is a serving cell in the primary carrier. 4. The mobile station according to 4.
  6. 　前記プライマリセル用の下りリンク制御情報のフォーマットを用いて、前記セカンダリセルにおけるスケジューリング情報を受信するように構成されている受信部を具備することを特徴とする請求項５に記載の移動局。 The mobile station according to claim 5, further comprising a reception unit configured to receive scheduling information in the secondary cell using a format of downlink control information for the primary cell.
PCT/JP2013/063747 2012-05-18 2013-05-17 Wireless base station and mobile station WO2013172438A1 (en)

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