WO2011126015A1 - 無線基地局、移動局及び通信制御方法 - Google Patents
無線基地局、移動局及び通信制御方法 Download PDFInfo
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- WO2011126015A1 WO2011126015A1 PCT/JP2011/058623 JP2011058623W WO2011126015A1 WO 2011126015 A1 WO2011126015 A1 WO 2011126015A1 JP 2011058623 W JP2011058623 W JP 2011058623W WO 2011126015 A1 WO2011126015 A1 WO 2011126015A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
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- 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
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- 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
- H04W88/02—Terminal devices
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0094—Definition of hand-off measurement parameters
Definitions
- the present invention relates to a radio base station, a mobile station, and a communication control method.
- WCDMA Wideband code division multiple access
- HSDPA High-Speed Downlink Packet Access
- HSUPA High-speed uplink packet access
- LTE Long Term Evolution
- Non-Patent Document 1 summarizes the requirements for the LTE-advanced scheme.
- the mobile station UE can receive a downlink signal using a plurality of carriers at the same time, or can transmit an uplink signal using a plurality of carriers at the same time.
- Component Carrier may be omitted and called “CC”.
- a mobile station UE User Equipment: user equipment
- UE User Equipment
- a mobile station UE moves to an adjacent cell, and in the mobile station UE, the radio quality of the signal from the adjacent cell is better than the radio quality of the signal from the serving cell (Serving Cell).
- the mobile station UE is configured to perform handover to an adjacent cell.
- the received power of the signal is used as the radio quality of the signal.
- the received power of the signal is more specifically, for example, the received power (RSRP: Reference Signal Received) of a downlink reference signal (Reference Signal) transmitted from a serving cell (cell in communication) or an adjacent cell.
- RSRP Reference Signal Received
- Reference Signal a downlink reference signal transmitted from a serving cell (cell in communication) or an adjacent cell.
- the reception quality of the downlink reference signal (RSRQ: Reference Signal Received Quality), the SIR (RS-SIR) of the downlink reference signal, and the CQI (Channel Quality) An indicator), CSI (Channel State Information), or the like may be used.
- RSRQ Reference Signal Received Quality
- SIR SIR
- CQI Channel Quality
- CSI Channel State Information
- RSRP signal received power
- step S1 the mobile station UE measures the received power of signals from the serving cell and the neighboring cells. Further, the mobile station UE may perform a cell search in parallel with the measurement in order to detect an adjacent cell that has not been detected.
- the cell search and the measurement of the radio quality (reception power) of the serving cell and the neighboring cell in this process may be collectively referred to as “measurement”.
- step S2 the mobile station UE determines whether or not the received power of the signal from the adjacent cell satisfies the following (Equation 1).
- step S2 the mobile station UE notifies the network of an event A3 for reporting the above measurement result.
- the network is specifically a radio base station eNB, for example.
- the mobile station UE measures the received power of signals from the serving cell (cell A) and the neighboring cell (cell B) to be monitored, and the “hysteresis [ [dB] ”and“ TTT (Time To Trigger) [ms] ”are used to determine whether to notify the measurement result.
- hysteresis is a value provided in order that handover from a serving cell to an adjacent cell does not frequently occur at a cell boundary, and may be a positive value or a negative value. Value is set.
- step S3 when the network receives the notification of the event A3, the network determines that the mobile station UE should be handed over to the cell related to the received event A3.
- (Formula 1) may take the following form (Formula 2).
- (Formula 2) both hysteresis and offset operate in a hysteresis manner.
- the event A4 is used to indicate that there is a cell to be subjected to carrier aggregation. You may notify to wireless base station eNB # 11 (cell # 1-C).
- the mobile station UE when the mobile station UE is located in the cell # 1-A and the cell # 1-B, since the cell # 2-A and the cell # 2-B do not exist, the mobile station UE does not perform carrier aggregation. , The presence of cell # 2-C is detected, and “Measurement report” for notifying event A4 is notified to radio base station eNB # 11.
- the event A4 is an event for determining whether or not the radio quality of the signal from the adjacent cell is equal to or higher than a predetermined threshold.
- the mobile station UE determines whether or not the reception power of the signal from the adjacent cell satisfies the following (Expression 3), and when it is determined that the (Expression 3) is satisfied, the event A4 The measurement result is notified to the radio base station eNB as “Measurement report”.
- the mobile station UE when starting the carrier aggregation, the mobile station UE measures the radio quality of the signal from the adjacent cell described above with respect to the component carrier for which carrier aggregation is not performed, and from the adjacent cell.
- the radio quality of the signal exceeds a predetermined threshold, the measurement result of event A4 is notified to the radio base station eNB as “Measurement report”.
- the RLC / PDCP layer processing is common to a plurality of component carriers even when carrier aggregation is performed, and a common RLC / PDCP layer processing may be performed between cells of different radio base stations eNB. This is because it is impossible.
- the cell # 1-A and the cell # 1-B belong to the radio base station eNB # 10, and the cell # 1-C, the cell # 1-D, the cell # 2-C,
- the measurement of the event A4 in which the mobile station UE notifies that the radio quality of the signal from the cell # 1-C is equal to or higher than a predetermined threshold
- the radio base station eNB # 10 uses the cell # 2-C as a carrier aggregation. Cannot be added as a cell (component carrier) for performing
- carrier aggregation may be performed when the cooperation between different radio base stations is close. For example, when “CoMP” is performed in two or more different radio base stations, carrier aggregation may be performed.
- An object of the present invention is to provide a radio base station, a mobile station, and a communication control method capable of realizing stability.
- a first feature of the present invention is a radio base station configured to perform communication using two or more carriers with a mobile station, and the mobile station is in communication with the mobile station.
- a first control signal transmitter configured to transmit a first control signal instructing measurement of radio quality of a cell or a neighboring cell, and a second to notify the radio quality measurement result from the mobile station
- a second control signal receiving unit configured to receive a control signal, wherein the first control signal is one or more cells that are candidates for performing communication using the two or more carriers. Including the identification information.
- a mobile station configured to be able to perform communication using two or more carriers with a radio base station.
- a first control signal receiving unit configured to receive a first control signal instructing measurement of radio quality of a cell inside or a neighboring cell, and a second control signal notifying the measurement result of the radio quality
- a second control signal transmitting unit configured to perform the identification, and the first control signal includes identification information of one or more cells that are candidates for performing communication using the two or more carriers. Inclusion is included.
- a third feature of the present invention is a communication control method in a mobile station configured to be able to perform communication using two or more carriers with a radio base station, wherein the radio base station A first step of receiving a first control signal for instructing measurement of radio quality of a cell in communication or an adjacent cell from a station, and a second step of transmitting a second control signal for notifying the measurement result of the radio quality; And the first control signal includes identification information of one or more cells that are candidates for performing communication using the two or more carriers.
- FIG. 3 is a functional block diagram of a radio base station according to the first embodiment of the present invention.
- FIG. 3 is a functional block diagram of a mobile station according to the first embodiment of the present invention.
- 3 is a flowchart showing an operation of the mobile station according to the first embodiment of the present invention. It is a flowchart which shows operation
- the mobile communication system according to the present embodiment is a system to which, for example, the LTE-Advanced scheme is applied. That is, the mobile communication system according to the present embodiment includes a radio base station eNB and a mobile station UE that communicates with the radio base station eNB, and the radio base station eNB and the mobile station UE use the LTE-Advanced scheme. , Configured to communicate.
- carrier aggregation may be applied. That is, communication using a plurality of component carriers is performed in the uplink or downlink.
- the component carrier corresponds to one system carrier in the LTE system. That is, in the LTE scheme, communication is performed using one component carrier, but in the LTE-Advanced scheme, communication may be performed using two or more component carriers.
- component carrier # 1 is used in cell # 1-A, cell # 1-B, cell # 1-C, and cell # 1-D, as shown in FIG.
- the component carrier # 2 is used in the cell # 2-C and the cell # 2-D.
- cell # 1-A and cell # 1-B belong to radio base station eNB # 10
- cell # 1-C and cell # 1-C # 1-D, cell # 2-C, and cell # 2-D belong to the radio base station eNB11.
- cell # 2-C is geographically overlapped with cell # 1-B and cell # 1-C
- cell # 2-D is cell # 1-C and cell # 1-C. Geographically overlap with # 1-D.
- the radio base station eNB includes a measurement control signal transmission unit 102, a measurement report reception unit 104, a handover control unit 106, and an adjacent cell information management unit 108.
- the neighboring cell information management unit 108 is configured to manage identification information (for example, PCI: Physical Cell ID) of cells under the radio base station eNB.
- identification information for example, PCI: Physical Cell ID
- the neighboring cell information management unit 108 is configured to manage information related to frequencies of cells under the radio base station eNB in addition to identification information of cells under the radio base station eNB (for example, PCI: Physical Cell ID). May be.
- the frequency of the cell may be a downlink frequency or an uplink frequency.
- the neighboring cell information management unit 108 may be configured to manage identification information of cells that can perform carrier aggregation with cells under the radio base station eNB.
- the neighboring cell information management unit 108 is subordinate to the radio base station eNB in addition to identification information (for example, PCI: Physical Cell ID) of a cell that can perform carrier aggregation with cells under the radio base station eNB.
- Identification information for example, PCI: Physical Cell ID
- Information regarding the frequency of a cell that can perform carrier aggregation with another cell may also be managed.
- the frequency of the cell may be a downlink frequency or an uplink frequency.
- the adjacent cell information management unit 108 is a cell that is not under the control of the radio base station eNB, that is, a cell that is under the control of the adjacent radio base station eNB, it can perform carrier aggregation with the cell. If there is, it may be configured to manage the identification information as the above-described “cell capable of performing carrier aggregation with a cell under the control of the radio base station eNB”.
- the measurement control signal transmission unit 102 is a candidate for performing carrier aggregation when transmitting a “Measurement control signal” that instructs the mobile station UE in the cell under the radio base station eNB to perform “Measurement”. It is configured to notify the identification information of one or more cells.
- the Measurement control signal transmission unit 102 transmits, to the mobile station UE in the cell under the radio base station eNB, identification information (for example, a list of PCIs) or one or more cells under the radio base station eNB. Even if it is configured to transmit a “Measurement control signal” including identification information (for example, a list of PCIs) of one or more cells that can perform carrier aggregation with cells under the base station eNB Good.
- identification information for example, a list of PCIs
- the Measurement control signal transmission unit 102 transmits, to the mobile station UE in the cell under the radio base station eNB, identification information (for example, a list of PCIs) or one or more cells under the radio base station eNB.
- the measurement control signal may include information on the frequency of the cell in addition to the above-described cell identification information.
- the information regarding the frequency may be, for example, a downlink frequency or an uplink frequency.
- one or a plurality of identification information (for example, a list of PCIs) of one or a plurality of cells under the radio base station eNB or a carrier aggregation with a cell under the radio base station eNB Cell identification information (eg, a list of PCIs) may be specified for each event as to whether such identification information is transmitted.
- the PCI list may be notified, and for the event A3, the PCI list may not be notified.
- an instruction signal indicating whether or not to use the PCI list for the mobile station UE from the radio base station eNB may be notified for each event.
- the Measurement control signal transmission unit 102 may be configured to transmit such a “Measurement control signal” by broadcast information or an RRC message.
- the Measurement report receiving unit 104 is configured to receive “Measurement report” for notifying the measurement result of the radio quality from the mobile station UE in the cell under the radio base station eNB.
- the handover control unit 106 is configured to determine whether or not to perform handover for the mobile station UE based on the measurement result of the radio quality included in the “Measurement report” received by the Measurement report receiving unit 104. ing.
- the mobile station UE includes a measurement unit 202, a determination unit 204, a measurement report transmission unit 206, a measurement control signal reception unit 208, and an adjacent cell information management unit 210.
- the Measurement control signal receiving unit 208 is configured to receive a “Measurement control signal” instructing measurement of radio quality of a cell in communication or an adjacent cell from the radio base station eNB.
- the neighboring cell information management unit 210 identifies identification information (for example, a list of PCIs) of one or more cells that are candidates for carrier aggregation included in the “Measurement control signal” received by the Measurement control signal reception unit 208. ) Is configured to manage.
- the measurement control signal may include information on the frequency of the cell in addition to the above-described cell identification information.
- the information regarding the frequency may be, for example, a downlink frequency or an uplink frequency.
- the Measurement control signal includes identification of one or more cells under the radio base station eNB instead of identification information (for example, a list of PCIs) of one or more cells that are candidates for carrier aggregation. Information (eg, a list of PCIs) may be included.
- the measuring unit 202 is configured to measure the wireless quality of a cell in communication or an adjacent cell.
- the above-mentioned “measuring the radio quality of a cell in communication or a neighboring cell” more specifically means, for example, a cell search and the radio quality of the cell detected by the cell search. Is a measurement process of measuring
- the determination unit 204 determines each of the events A1 to A5 regarding the cell or neighboring cell in communication designated by the “Measurement control signal” according to the radio quality of the cell or neighboring cell measured by the measuring unit 202. It is comprised so that the determination process concerning may be performed.
- the cell in communication or the neighboring cell specified by the “Measurement control signal” may be, for example, a cell included in identification information of a cell under the radio base station eNB (for example, PCI: Physical Cell ID). Alternatively, it may be a cell included in the identification information of a cell that can perform carrier aggregation with a cell under the radio base station eNB.
- the determination unit 204 is configured to perform the determination process related to the event A4 only for one or a plurality of cells that are candidates for carrier aggregation.
- the determination unit 204 may be configured to perform the determination process related to the events A3 and A5 only with respect to one or a plurality of cells that are candidates for carrier aggregation.
- the determination unit 204 performs the determination process related to the event A4 only for one or a plurality of cells that are candidates for carrier aggregation regarding the event A4, and the event A3 and A5 regarding the event You may be comprised so that the determination process concerning A3 and A5 may be performed.
- the determination unit 204 is configured to be able to select, for each event, whether to perform determination for only one or a plurality of cells that are candidates for carrier aggregation, or to perform determination for all cells. Also good.
- all such cells may be, for example, all cells that can be detected by the measurement unit 202 through cell search and measurement processing.
- the determination unit 204 determines whether or not the received power (RSRP) of the signal from the adjacent cell satisfies the following (Expression 4), and determines that the (Expression 4) is satisfied. If so, the event A3 may be detected.
- RSRP received power
- the determination unit 204 may determine whether or not (Equation 4) is satisfied for neighboring cells included in one or more cells that are candidates for carrier aggregation.
- the determination unit 204 determines whether or not the reception power of the signal from the serving cell and the power of the signal from the adjacent cell satisfy the following (Equation 5), and the (Equation 5) is satisfied. If determined, the event A5 may be detected.
- the determination unit 204 may determine whether or not Equation 5 is satisfied for neighboring cells included in one or more cells that are candidates for carrier aggregation.
- the Measurement report transmission unit 206 is configured to transmit a “Measurement report” that notifies the radio base station eNB of the measurement result of the radio quality when the events A1 to A5 are detected by the determination unit 204. Yes.
- the measurement unit 202 measures the radio quality of all the cells detected by the cell search, and the determination unit 204 determines whether the cell being communicated or adjacent specified by the “Measurement control signal”
- the measurement unit 202 measures the wireless quality of the cell in communication or the adjacent cell specified by the “Measurement control signal” and determines
- the unit 204 may perform a determination process related to each event for the cell in communication or the neighboring cell measured by the measurement unit 202.
- the mobile station UE in the cell under the radio base station eNB includes one or more cells (CA candidate cells) that are candidates for carrier aggregation from the radio base station eNB.
- CA candidate cells cells that are candidates for carrier aggregation from the radio base station eNB.
- identification information identification information of cells under the radio base station eNB is acquired.
- step S102 the mobile station UE determines each of the cells that are identified by the identification information of one or more cells that are candidates for carrier aggregation among the communicating cells or neighboring cells detected by the cell search. A determination process related to the events A1 to A5 is performed.
- step S103 when detecting the events A1 to A5, the mobile station UE transmits “Measurement report” for notifying the radio base station eNB of the measurement result of the radio quality.
- signaling overhead can be reduced by eliminating transmission of “Measurement report” for a cell that cannot be subjected to carrier aggregation.
- the mobile station UE in the cell # 1-B exists at the point A in the example of FIG. Since the mobile station UE does not notify the identification information of the cell # 2-C as one or a plurality of cells that are candidates for carrier aggregation, the mobile station UE does not report the event A4 ( Alternatively, it is possible to avoid useless transmission of “Measurement report” without performing the determination processing of the events A3 and A5).
- a first feature of the present embodiment is a radio base station eNB configured to be able to perform carrier aggregation (communication using two or more carriers) with a mobile station UE, With respect to the mobile station UE, a measurement control signal transmission unit (first control signal) configured to transmit a “Measurement control signal (first control signal)” instructing measurement of radio quality of a cell (serving cell) in communication or a neighboring cell 1 control signal transmission unit) 102 and a measurement report reception unit (second control signal) configured to receive a “Measurement report (second control signal)” that notifies the measurement result of radio quality from the mobile station UE.
- Receiving section) 104, and the “Measurement control signal” is a carrier address. And summarized in that it includes identification information of one or more cells comprising a candidate for ligation (PCI).
- the identification information of one or more cells that are candidates for carrier aggregation is one or more that can perform carrier aggregation with cells under the control of the radio base station eNB. Cell identification information.
- the second feature of the present embodiment is a mobile station UE configured to be able to perform carrier aggregation with the radio base station eNB, from the radio base station eNB, A Measurement control signal receiving unit (first control signal receiving unit) 208 configured to receive a “Measurement control signal” instructing measurement of the radio quality of the neighboring cell, and “Measurement” notifying the measurement result of the radio quality.
- a Measurement control signal receiving unit (first control signal receiving unit) 208 configured to receive a “Measurement control signal” instructing measurement of the radio quality of the neighboring cell, and “Measurement” notifying the measurement result of the radio quality.
- a measurement report transmission unit (second control signal transmission unit) 206 configured to transmit “report”, and the “measurement control signal” includes one or more cells that are candidates for carrier aggregation.
- the gist is to include identification information.
- the identification information of one or more cells that are candidates for carrier aggregation is one or more that can be carrier-aggregated with cells under the control of the radio base station eNB. Cell identification information.
- a third feature of the present embodiment is a communication control method in a mobile station UE configured to be able to perform carrier aggregation with a radio base station eNB.
- the gist of the “Measurement control signal” includes identification information of one or a plurality of cells that are candidates for carrier aggregation.
- 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 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.
- eNB ... radio base station 102 ... measurement control signal transmission unit 104 ... measurement report reception unit 106 ... handover control unit 108 ... adjacent cell information management unit UE ... mobile station 202 ... measurement unit 204 ... determination unit 206 ... measurement report transmission unit 208 ... Measurement control signal receiver 210 ... Neighboring cell information manager
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Abstract
Description
図1乃至図3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。
(隣接セルからの信号の受信電力) > (第5閾値) … (式5)
102…Measurement制御信号送信部
104…Measurement report受信部
106…ハンドオーバ制御部
108…隣接セル情報管理部
UE…移動局
202…測定部
204…判定部
206…Measurement report送信部
208…Measurement制御信号受信部
210…隣接セル情報管理部
Claims (5)
- 移動局との間で、2つ以上のキャリアを用いた通信を行うことができるように構成されている無線基地局であって、
前記移動局に関して、通信中のセル又は隣接セルの無線品質の測定を指示する第1制御信号を送信するように構成されている第1制御信号送信部と、
前記移動局から、前記無線品質の測定結果を通知する第2制御信号を受信するように構成されている第2制御信号受信部とを具備し、
前記第1制御信号は、前記2つ以上のキャリアを用いた通信を行う候補となる1つ又は複数のセルの識別情報を含むことを特徴とする無線基地局。 - 前記2つ以上のキャリアを用いた通信を行う候補となる1つ又は複数のセルの識別情報は、前記無線基地局配下のセルとの間で前記2つ以上のキャリアを用いた通信を行うことができる1つ又は複数のセルの識別情報であることを特徴とする請求項1に記載の無線基地局。
- 無線基地局との間で、2つ以上のキャリアを用いた通信を行うことができるように構成されている移動局であって、
前記無線基地局から、通信中のセル又は隣接セルの無線品質の測定を指示する第1制御信号を受信するように構成されている第1制御信号受信部と、
前記無線品質の測定結果を通知する第2制御信号を送信するように構成されている第2制御信号送信部とを具備し、
前記第1制御信号は、前記2つ以上のキャリアを用いた通信を行う候補となる1つ又は複数のセルの識別情報を含むことを特徴とする移動局。 - 前記2つ以上のキャリアを用いた通信を行う候補となる1つ又は複数のセルの識別情報は、前記無線基地局配下のセルとの間で前記2つ以上のキャリアを用いた通信を行うことができる1つ又は複数のセルの識別情報であることを特徴とする請求項3に記載の移動局。
- 無線基地局との間で、2つ以上のキャリアを用いた通信を行うことができるように構成されている移動局における通信制御方法であって、
前記無線基地局から、通信中のセル又は隣接セルの無線品質の測定を指示する第1制御信号を受信する第1ステップと、
前記無線品質の測定結果を通知する第2制御信号を送信する第2ステップとを具備し、
前記第1制御信号は、前記2つ以上のキャリアを用いた通信を行う候補となる1つ又は複数のセルの識別情報を含むことを特徴とする通信制御方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP11765915A EP2557836A1 (en) | 2010-04-05 | 2011-04-05 | Wireless base station, mobile station and communication control method |
AU2011236892A AU2011236892B2 (en) | 2010-04-05 | 2011-04-05 | Radio base station, mobile station, and communication control method |
RU2012145230/07A RU2523030C2 (ru) | 2010-04-05 | 2011-04-05 | Базовая радиостанция, мобильная станция и способ управления связью |
KR1020127026257A KR20120131205A (ko) | 2010-04-05 | 2011-04-05 | 무선기지국, 이동국 및 통신제어방법 |
US13/261,463 US20130100829A1 (en) | 2010-04-05 | 2011-04-05 | Radio base station, mobile station, and communication control method |
CN2011800167432A CN102823289A (zh) | 2010-04-05 | 2011-04-05 | 无线基站、移动台以及通信控制方法 |
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JP2010-087398 | 2010-04-05 | ||
JP2010087398A JP5150676B2 (ja) | 2010-04-05 | 2010-04-05 | 無線基地局、移動局及び通信制御方法 |
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EP (1) | EP2557836A1 (ja) |
JP (1) | JP5150676B2 (ja) |
KR (1) | KR20120131205A (ja) |
CN (1) | CN102823289A (ja) |
AU (1) | AU2011236892B2 (ja) |
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Cited By (2)
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WO2013133301A1 (ja) * | 2012-03-06 | 2013-09-12 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局 |
GB2500210A (en) * | 2012-03-13 | 2013-09-18 | Renesas Mobile Corp | Providing identities of secondary cells to apparatus for discovery in a physical discovery channel |
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CN109379114B (zh) * | 2012-01-30 | 2022-03-01 | 日本电气株式会社 | 移动站、基站、在移动站执行的方法和在基站执行的方法 |
CN110198210B (zh) | 2012-07-27 | 2021-10-26 | 华为技术有限公司 | 用于多点通信的系统和方法 |
KR102029837B1 (ko) * | 2013-03-08 | 2019-11-08 | 에스케이텔레콤 주식회사 | 이동 통신 시스템에서의 중첩 셀 관리를 위한 장치 및 방법 |
CN107734667A (zh) * | 2016-08-12 | 2018-02-23 | 夏普株式会社 | 执行随机接入的方法、用户设备和基站 |
JP6479299B2 (ja) * | 2017-02-27 | 2019-03-06 | 三菱電機株式会社 | 信号検出装置、サンプリング装置、不法電波監視システム、信号源位置推定システム、干渉回避通信システムおよび信号波形データ収集方法 |
WO2018203716A1 (ko) | 2017-05-04 | 2018-11-08 | 삼성전자 주식회사 | 단말 자율 핸드오버에서의 측정 리포트 이벤트 운용 및 네트워크 시그널링 방법 |
KR20180122935A (ko) | 2017-05-04 | 2018-11-14 | 삼성전자주식회사 | UE autonomous handover에서의 measurement report/event 운용 및 네트워크 시그널링 방법 |
BR112020004529A2 (pt) * | 2017-09-07 | 2020-09-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | método de relatório de sinal, dispositivo terminal e dispositivo de rede |
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WO2013133301A1 (ja) * | 2012-03-06 | 2013-09-12 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局 |
GB2500210A (en) * | 2012-03-13 | 2013-09-18 | Renesas Mobile Corp | Providing identities of secondary cells to apparatus for discovery in a physical discovery channel |
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JP5150676B2 (ja) | 2013-02-20 |
RU2523030C2 (ru) | 2014-07-20 |
EP2557836A1 (en) | 2013-02-13 |
RU2012145230A (ru) | 2014-05-20 |
AU2011236892B2 (en) | 2014-02-27 |
US20130100829A1 (en) | 2013-04-25 |
CN102823289A (zh) | 2012-12-12 |
JP2011223115A (ja) | 2011-11-04 |
AU2011236892A1 (en) | 2012-11-08 |
KR20120131205A (ko) | 2012-12-04 |
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