WO2011136321A1 - 移動通信方法、移動局及び無線基地局 - Google Patents
移動通信方法、移動局及び無線基地局 Download PDFInfo
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- WO2011136321A1 WO2011136321A1 PCT/JP2011/060359 JP2011060359W WO2011136321A1 WO 2011136321 A1 WO2011136321 A1 WO 2011136321A1 JP 2011060359 W JP2011060359 W JP 2011060359W WO 2011136321 A1 WO2011136321 A1 WO 2011136321A1
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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
- 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
- H04L5/0058—Allocation criteria
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- the present invention relates to a mobile communication method, a mobile station, and a radio base station.
- the mobile station UE is connected to the radio base station eNB with a PCC (Primary Component Carrier) or one or more PCCs (Primary Component Carriers) with different carrier frequencies (EARFCN: E-UTRA Absolute Radio Number). It is comprised so that CA (Carrier Aggregation) communication can be performed using Secondary Component Carrier.
- PCC Primary Component Carrier
- E-UTRA Absolute Radio Number E-UTRA Absolute Radio Number
- the scheduler selects and schedules a CC having the best radio quality as much as possible. Therefore, the CC having the poor radio quality is “Proportional Fairness”.
- the scheduling processing load coefficient calculation load
- the battery load and the processing load in the mobile station UE increase.
- the present invention has been made in view of the above-described problems, and a mobile communication method, a mobile station, and a radio base station that can appropriately manage CC used in CA communication according to radio quality and network load.
- the purpose is to provide.
- a mobile communication method in which a mobile station performs communication with a radio base station using a main carrier and one or a plurality of subcarriers having different carrier frequencies.
- Step A in which the base station transmits measurement control information including a measurement target carrier and a report condition to the mobile station, and if the mobile station satisfies the report condition, the base station Transmitting a measurement report including a measurement result in the measurement target carrier, and in the step B, the mobile station has a measurement value of radio quality in a non-serving cell in the measurement target carrier for a predetermined period of time. And determining that the reporting condition is satisfied when the measured value of the radio quality in the serving cell in the measurement target carrier is greater than the sum of the predetermined offset value.
- a mobile communication method in which a mobile station performs communication with a radio base station using a main carrier and one or a plurality of subcarriers having different carrier frequencies.
- Step A in which the base station transmits measurement control information including a measurement target carrier and a report condition to the mobile station, and if the mobile station satisfies the report condition, the base station Transmitting a measurement report including a measurement result in the measurement target carrier, and in the step B, the mobile station measures radio quality in a serving cell of a subcarrier in the measurement target carrier for a predetermined period of time.
- the value is smaller than the sum of the measured value of the radio quality in the serving cell of the main carrier in the measurement target carrier and the predetermined offset value, it is determined that the reporting condition is satisfied. And it is required to.
- a third feature of the present invention is a mobile communication method in which a mobile station performs communication with a radio base station using a main carrier and one or a plurality of subcarriers having different carrier frequencies.
- the base station transmits measurement control information including a measurement target carrier and a report condition to the mobile station, and the mobile station, when the report condition is satisfied, to the radio base station, Transmitting a measurement report including a measurement result in the measurement target carrier, a step in which the radio base station adds and deletes the subcarrier according to the measurement report, and the radio base station has a network load. And a step of changing the reporting condition according to the above.
- a fourth feature of the present invention is a mobile station configured to be able to perform communication with a radio base station using a main carrier and one or a plurality of subcarriers having different carrier frequencies.
- a reception unit configured to receive measurement control information including a measurement target carrier and a report condition from the radio base station, and when the report condition is satisfied, the radio base station
- a transmission unit configured to transmit a measurement report including a measurement result in a measurement target carrier, and the transmission unit has a measurement value of radio quality in a non-serving cell in the measurement target carrier for a predetermined period, It is configured to determine that the reporting condition is satisfied when the measured value of the radio quality in the serving cell in the measurement target carrier is larger than the sum of the predetermined offset value. Is that the gist of that.
- a fifth feature of the present invention is a mobile station configured to be able to perform communication with a radio base station using a main carrier and one or a plurality of subcarriers having different carrier frequencies.
- a reception unit configured to receive measurement control information including a measurement target carrier and a report condition from the radio base station, and when the report condition is satisfied, the radio base station
- a transmission unit configured to transmit a measurement report including a measurement result in a measurement target carrier, wherein the transmission unit measures a radio quality value in a serving cell of a subcarrier in the measurement target carrier for a predetermined period of time. Is less than the sum of the radio quality measurement value and the predetermined offset value in the serving cell of the main carrier in the measurement target carrier, the reporting condition is satisfied. And summarized in that it is configured to determine that.
- a sixth feature of the present invention is a radio base station used in a mobile communication system in which a mobile station is configured to perform communication using a main carrier and one or a plurality of subcarriers having different carrier frequencies.
- the transmitter to be configured to transmit measurement control information including a measurement target carrier and a report condition to the mobile station, and the measurement target from the mobile station that has determined that the report condition is satisfied.
- a receiving unit configured to receive a measurement report including a measurement result on a carrier, and a control unit configured to add and delete the subcarrier according to the measurement report;
- the gist of the present invention is that the control unit is configured to change the reporting condition according to a network load.
- a mobile communication method As described above, according to the present invention, there are provided a mobile communication method, a mobile station, and a radio base station that can appropriately perform management of CCs used in CA communication according to radio quality and network load in CA communication. be able to.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present 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 for demonstrating the measurement setting in the mobile communication system which concerns on the 1st Embodiment of this invention. It is a figure for demonstrating ReportConfig in the mobile communication system which concerns on the 1st Embodiment of this invention. It is a figure for demonstrating ReportConfig in the mobile communication system 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. 3 is a flowchart showing an operation of the mobile station according to the first embodiment of the present invention.
- FIG. 3 is a sequence diagram showing an operation of the mobile communication system according to the first embodiment of the present invention.
- the mobile communication system according to the present embodiment is an LTE-Advanced (LTE Release-10) mobile communication system.
- the mobile station UE is configured to be able to perform CA communication using PCCs having different carrier frequencies (EARFCN) and one or a plurality of SCCs.
- PCCs having different carrier frequencies (EARFCN) and one or a plurality of SCCs.
- the mobile communication system according to the present embodiment is configured such that CCs of EARFCN # 1 to EARFCN # 5 can be used in CA communication.
- the mobile station UE sets the CC of EARFCN # 1 to “PCC”, the CC of EARFCN # 2 to “SCC # 1”, and the EARFCN # 3 of CC CA communication is performed with CC as “SCC # 2”.
- the serving cell in the PCC of the mobile station UE is “Pcell”
- the serving cell in SCC # 1 of the mobile station UE is “Scell # 1”
- the serving cell in SCC # 2 of the mobile station UE is “Scell”. # 2 ".
- 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 receive a downlink signal from the mobile station UE.
- the radio base station eNB is configured to transmit “MeasConfig” including “MeasObject”, “ReportConfig”, and “MeasID” to the mobile station UE.
- MeasObject is information for specifying a carrier to be measured by RAT and frequency
- ReportConfig is an event such as A1 to A7, B1 to B2
- “Measurement Report” transmission trigger such as “Periodic”. Is information to specify.
- MeasId is information for linking “MeasObject” and “ReportConfig” as shown in FIG.
- the mobile station UE is configured to perform only the measurement in “MeasObject” associated with “ReportConfig” by “MeasId”.
- FIG. 4 shows an example of events A1 to A7.
- Event A1 is a transmission trigger that “Serving> Thresh” is satisfied, and “Serving” is an RSRP (Reference Signal Received Power) or RSRQ (Reference) in Pcell, Scell # 1, and Scell # 2 on “MeasObject”. Signal Received Quality), and “Thresh” is a predetermined threshold value.
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- Event A2 is a transmission trigger that “Serving ⁇ Thresh” is satisfied, and “Serving” is an RSRP or RSRQ in Pcell, Scell # 1, and Scell # 2 on “MeasObject”, and “Thresh” is It is a predetermined threshold value.
- Event A3 is a transmission trigger that “Neighbour> Serving (Pcell) + Offset” is satisfied, “Serving (Pcell)” is an RSRP or RSRQ in Pcell on “MeasObject”, and “Neighbour” is “ RSRP or RSRQ in a cell other than Pcell on “MeasObject”, and “Offset” is a predetermined offset value.
- Neighbour may be RSRP or RSRQ in a cell other than Pcell, Scell # 1, and Scell # 2 on “MeasObject”.
- Event A4 is a transmission trigger that “Neighbour> Thresh” is satisfied, and “Neighbour” is RSRP or RSRQ in a cell other than Pcell, Scell # 1, and Scell # 2 on “MeasObject”, and “Thresh” "Is a predetermined threshold value.
- Event A5 is a transmission trigger that “Serving ⁇ Thresh1” and “Neighbour> Thresh2” are satisfied, “Serving” is RSRP or RSRQ in the Pcell on “MeasObject”, and “Neighbour” is “MeasObject”. "RSRP or RSRQ in a cell other than Pcell”, “Thresh1” and “Thresh2" are predetermined thresholds.
- Neighbour may be RSRP or RSRQ in a cell other than Pcell, Scell # 1, and Scell # 2 on “MeasObject”.
- Event A6 is a transmission trigger that “Neighbour> Serving + Offset” is satisfied, “Serving” is a Pcell, Scell # 1, and Scell # 2 on “MeasObject”, and “Neighbour” is RSRP or RSRQ in cells (non-serving cells) other than Pcell, Scell # 1, and Scell # 2 on “MeasObject”, and “Offset” is a predetermined offset value.
- “Serving” and “Neighbour” are RSRP or RSRQ in a cell in the same CC specified by “MeasObject”.
- Event A7 is a transmission trigger that “Neighbour (Scell)> Serving (Pcell) + Offset” is satisfied, and “Serving (Pcell)” is RSRP or RSRQ in Pcell on “MeasObject”, and “Neighbour ( "Scell)” is RSRP or RSRQ in Scell # 1 or Scell # 2 on “MeasObject”, and “Offset” is a predetermined offset value.
- the event A7 may be a transmission trigger that “Neighbour (any cell)> Serving (Pcell) + Offset” is satisfied.
- Neighbour (any cell) is RSRP or RSRQ in a cell other than Pcell on “MeasObject”.
- the events A1 to A7 may be defined such that transmission of “MeasReport” is triggered when such a condition continues to be satisfied for a predetermined period.
- a predetermined period may be set from the radio base station eNB to the mobile station UE, or may be set for each “ReportConfig”.
- the receiving unit 12 is configured to receive an uplink signal from the mobile station UE.
- the receiving unit 12 is configured to receive “Measurement Report” including a measurement result in “MeasObject” from the mobile station UE.
- the control unit 13 is configured to perform control related to CA communication by the mobile station UE.
- the control unit 13 is configured to change “ReportConfig” according to the network load, as will be described later.
- control unit 13 uses the RRC message (for example, “RRC Reconfiguration” message or the like) in the RRC layer based on the “Measurement Report” received by the receiving unit 12 and performs mobile station communication.
- the UE can be instructed to add a new CC, delete an existing CC, or change a PCC.
- the mobile station UE includes a reception unit 21, a measurement unit 22, and a transmission unit 23.
- the receiving unit 21 is configured to receive “MeasConfig” including “MeasObject” and “ReportConfig-A7” from the radio base station eNB.
- the measurement unit 22 is configured to perform measurement processing in “MeasObject” designated by “MeasConfig”.
- the transmission unit 23 is configured to transmit “Measurement Report” including a measurement result in “MeasObject” to the radio base station eNB when “ReportConfig” specified by “MeasConfig” is satisfied. Yes.
- step S101 the radio base station eNB sets “threshold 1a” to “threshold 1”, “threshold 2a” ( ⁇ threshold 1a) to “threshold 2”, and step S102. Measure the network load.
- the radio base station eNB as the network load, the number of mobile stations UE in the RRC_Connected state, the amount of data stored in the buffer, the amount of interference in the uplink, the amount of transmission power in the downlink, the resource usage Measure the rate etc.
- step S104 the radio base station eNB sets “threshold value 1a” to “threshold value 1”.
- the “Measurement” related to the event A7 The CC (SCC) to be deleted is determined based on “Report”.
- step S105 the radio base station eNB does not add a CC (SCC).
- the radio base station eNB determines in step S103 that the network load is not greater than the threshold value 1, it sets “threshold value 1b ( ⁇ threshold value 1a)” in “threshold value 1” in step S106.
- step S107 When the radio base station eNB determines in step S107 that the network load is larger than the threshold value 2, in step S108, the “threshold value 2a” is set in “threshold value 2”. In step S109, the “Measurement” related to the event A7 is set.
- a CC (SCC) to be deleted is determined based on “Report”, and a CC (SCC) to be added is determined based on “Measurement Report” related to event A3.
- step S110 if the radio base station eNB determines in step S107 that the network load is not greater than the threshold value 2, in step S110, “threshold value 2b ( ⁇ threshold value 2a, ⁇ threshold value 1a)” is set in “threshold value 2”
- step S111 the CC (SCC) to be deleted is determined based on the “Measurement Report” related to the event A2, and the CC (SCC) to be added is determined based on the “Measurement Report” related to the event A4. To do.
- Offset in event A3 and “Offset” in event A7 are negative values calculated by the network load, respectively, and the relationship “Offset in event A3 >>“ Offset ”in event A7” is satisfied. To establish.
- a3 and a7 are negative values
- r3 and r7 are raw values.
- the “threshold value 1a / 1b / 2a / 2b” is a hysteresis for avoiding a situation where the type of event used is frequently switched.
- step S1001 an RRC connection is established in the Pcell between the radio base station eNB and the mobile station UE, and in step S1002, the radio base station The eNB transmits “RRC Connection Reconfiguration” including “MeasConfig” to the mobile station UE.
- MeasConfig instructs to add “ReportConfig” specifying the event A3 used when switching the Pcell and “ReportConfig” specifying the event A3 (or A4) used when adding the Scell. .
- “Neighbour” is RSRP / RSRQ of a cell (non-serving cell) other than the Pcell in the PCC, and in the event A3 (or A4) used when adding the Scell, “Neighbour” Is RSRP / RSRQ of a non-configured cell.
- step S1003 the mobile station UE performs setting based on “MeasConfig”, and then transmits “RRC Connection Reconfiguration Complete” to the radio base station eNB.
- step S1004 the mobile station UE transmits “Measurement Report” related to the event A3 (or A4) to the radio base station eNB.
- step S1005 the radio base station eNB determines the Scell (SCC) to be added based on the “Measurement Report” related to the event A3 (or A4), and the Scell (SCC) is determined for the mobile station UE. “RRC Connection Reconfiguration” is transmitted to instruct the addition of.
- the radio base station eNB instructs to delete “ReportConfig” that specifies the event A3 (or A4) used when adding the Scell by “MeasConfig” in the “RRC Connection Reconfiguration”. Instruct to add “ReportConfig” specifying event A6 used when switching Scells and “ReportConfig” specifying event A7 (or A2) used when deleting Scells.
- “Serving” is RSRP / RSRQ of Scell in SCC
- “Neighbour” is RSRP / RSRQ of cells other than Scell (non-serving cell) in SCC.
- step S1006 the mobile station UE performs setting based on “MeasConfig”, and then transmits “RRC Connection Reconfiguration Complete” to the radio base station eNB.
- step S1007 the mobile station UE transmits “Measurement Report” related to the event A7 (or A2) to the radio base station eNB.
- step S1008 the radio base station eNB determines a Scell (SCC) to be deleted based on the “Measurement Report” related to the event A7 (or A2), and the Scell (SCC) is determined for the mobile station UE. “RRC Connection Reconfiguration” is sent to instruct the deletion.
- the radio base station eNB uses “MeasConfig” in the “RRC Connection Reconfiguration” to specify the event A6 used when switching the Scell, and the event A7 (or A2 used to delete the Scell). "ReportConfig” specifying ”)” and an instruction to add “ReportConfig” specifying the event A3 (or A4) used when adding the Scell.
- step S1009 the mobile station UE performs setting based on “MeasConfig”, and then transmits “RRC Connection Reconfiguration Complete” to the radio base station eNB.
- the radio base station eNB can perform addition and deletion of SCC and switching of the PCC based on “Measurement Report” transmitted by the mobile station UE. It is possible to avoid the use of CC with poor radio quality in CA communication, and it is possible to appropriately manage CC according to radio quality and network load.
- the first feature of the present embodiment is that the mobile station UE performs CA communication using a PCC (primary carrier) and one or more SCCs (subcarriers) having different carrier frequencies with the radio base station eNB.
- the radio base station eNB sends “MeasConfig (measurement control information)” including “MeasObject (measurement target carrier)” and “ReportConfig-A6 (report condition)” to the mobile station UE. Transmitting step A and, when “ReportConfig-A6” is satisfied, the mobile station UE transmits a “Measurement Report (measurement report)” including a measurement result in “MeasObject” to the radio base station eNB.
- Measurement report measurement report
- the mobile station UE performs a predetermined period (Time-To-Trigg er), the RSRP / RSRQ (measured value of radio quality) in the non-serving cell of the PCC or SCC in “MeasObject” is the RSRP / RSRQ in the serving cell of the PCC or SCC in “MeasObject” and a predetermined offset value (Offset).
- the gist is to determine that “ReportConfig-A6” is satisfied when the sum is greater than the sum.
- a second feature of the present embodiment is a mobile communication method in which the mobile station UE performs CA communication using a PCC and one or more SCCs having different carrier frequencies with the radio base station eNB,
- the radio base station eNB transmits “MeasConfig” including “MeasObject” and “ReportConfig-A7” to the mobile station UE, and the mobile station UE satisfies “ReportConfig-A7”
- Step B for transmitting “Measurement Report” including the measurement result in “MeasObject” to the radio base station eNB.
- Step B the mobile station UE has a predetermined period (Time-To-Trigger), “ RSRP / RSRQ in Scell in “MeasObject” is “MeasO”. If ject "within the Pcell (serving cell of the main carrier) smaller than the sum of the RSRP / RSRQ and the predetermined offset value (Offset), and summarized in that the determination" ReportConfig-A7 "is satisfied.
- a third feature of the present embodiment is a mobile communication method in which the mobile station UE performs CA communication using a PCC and one or more SCCs having different carrier frequencies with the radio base station eNB,
- the radio base station eNB transmits “MeasConfig” including “MeasObject” and “ReportConfig” to the mobile station UE, and when the mobile station UE satisfies “ReportConfig”, the radio base station eNB
- the radio base station eNB Depending on the network load, “ReportCon And summarized in that a step of changing the ig ".
- a fourth feature of the present embodiment is a mobile station configured to be able to perform CA communication using a PCC and one or more SCCs having different carrier frequencies with the radio base station eNB. If the reception unit 21 configured to receive “MeasConfig” including “MeasObject” and “ReportConfig-A6” from the radio base station eNB, and “ReportConfig-A6” are satisfied, A transmission unit 23 configured to transmit a “Measurement Report” including a measurement result in “MeasObject” to the station eNB, and the transmission unit 23 includes a predetermined period (Time-To-Trigger), For non-serving cells of PCC or SCC in “MeasObject” Is configured to determine that “ReportConfig-A6” is satisfied when RSRP / RSRQ is greater than the sum of RSRP / RSRQ and a predetermined offset value (Offset) in the serving cell of the PCC or SCC in “MeasObject” It is a summary.
- a fifth feature of the present embodiment is a mobile station configured to be able to perform CA communication using a PCC having a different carrier frequency and one or a plurality of SCCs with a radio base station eNB. If the receiving unit 21 configured to receive “MeasConfig” including “MeasObject” and “ReportConfig-A7” from the radio base station eNB, and “ReportConfig-A7” are satisfied, A transmission unit 23 configured to transmit a “Measurement Report” including a measurement result in “MeasObject” to the station eNB, and the transmission unit 23 includes a predetermined period (Time-To-Trigger), RSRP / RSRQ in Scell in “MeasObject” It is smaller than the sum of the RSRP / RSRQ and the predetermined offset value (Offset) in Pcell in "MeasObject", and summarized in that is configured to determine that "ReportConfig-A7" is satisfied.
- the sixth feature of the present embodiment is that a radio base station eNB used in a mobile communication system in which the mobile station UE is configured to perform CA communication using PCCs having different carrier frequencies and one or more SCCs.
- the transmission unit 11 configured to transmit “MeasConfig” including “MeasObject” and “ReportConfig” to the mobile station UE, and from the mobile station UE that has determined that “ReportConfig” is satisfied .
- the receiving unit 12 configured to receive the “Measurement Report” including the measurement result in “MeasObject”, and the control unit configured to add and delete the SCC according to the “Measurement Report” 13 and the control unit 13 includes: Depending on Ttowaku load, and summarized in that is configured to change the "ReportConfig".
- 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.
- a mobile communication method As described above, according to the present invention, there are provided a mobile communication method, a mobile station, and a radio base station that can appropriately perform management of CCs used in CA communication according to radio quality and network load in CA communication. be able to.
- eNB radio base station UE ... mobile station 11, 21 ... receiving unit 12, 23 ... transmitting unit 13 ... control unit 22 ... measuring unit
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Abstract
Description
図1乃至図8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の構成について説明する。本実施形態に係る移動通信システムは、LTE-Advanced方式(LTE Release-10方式)の移動通信システムである。
(イベントA3における「Offset」)=a3+r3×(ネットワーク負荷)
(イベントA7における「Offset」)=a7+r7×(ネットワーク負荷)
UE…移動局
11、21…受信部
12、23…送信部
13…制御部
22…測定部
Claims (6)
- 移動局が、無線基地局との間で、搬送波周波数が異なる主キャリア及び1つ又は複数の副キャリアを用いた通信を行う移動通信方法であって、
前記無線基地局が、前記移動局に対して、測定対象キャリア及び報告条件を含む測定制御情報を送信する工程Aと、
前記移動局が、前記報告条件が満たされた場合、前記無線基地局に対して、前記測定対象キャリアにおける測定結果を含む測定報告を送信する工程Bとを有し、
前記工程Bにおいて、前記移動局は、所定期間、前記測定対象キャリア内の非サービングセルにおける無線品質の測定値が、該測定対象キャリア内のサービングセルにおける無線品質の測定値と所定オフセット値との和よりも大きい場合に、前記報告条件が満たされたと判定することを特徴とする移動通信方法。 - 移動局が、無線基地局との間で、搬送波周波数が異なる主キャリア及び1つ又は複数の副キャリアを用いた通信を行う移動通信方法であって、
前記無線基地局が、前記移動局に対して、測定対象キャリア及び報告条件を含む測定制御情報を送信する工程Aと、
前記移動局が、前記報告条件が満たされた場合、前記無線基地局に対して、前記測定対象キャリアにおける測定結果を含む測定報告を送信する工程Bとを有し、
前記工程Bにおいて、前記移動局は、所定期間、前記測定対象キャリア内の副キャリアのサービングセルにおける無線品質の測定値が、主キャリアのサービングセルにおける無線品質の測定値と所定オフセット値との和よりも小さい場合に、前記報告条件が満たされたと判定することを特徴とする移動通信方法。 - 移動局が、無線基地局との間で、搬送波周波数が異なる主キャリア及び1つ又は複数の副キャリアを用いた通信を行う移動通信方法であって、
前記無線基地局が、前記移動局に対して、測定対象キャリア及び報告条件を含む測定制御情報を送信する工程と、
前記移動局が、前記報告条件が満たされた場合、前記無線基地局に対して、前記測定対象キャリアにおける測定結果を含む測定報告を送信する工程と、
前記無線基地局が、前記測定報告に応じて、前記副キャリアの追加及び削除を行う工程と、
前記無線基地局が、ネットワーク負荷に応じて、前記報告条件を変更する工程とを有することを特徴とする移動通信方法。 - 無線基地局との間で、搬送波周波数が異なる主キャリア及び1つ又は複数の副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、測定対象キャリア及び報告条件を含む測定制御情報を受信するように構成されている受信部と、
前記報告条件が満たされた場合、前記無線基地局に対して、前記測定対象キャリアにおける測定結果を含む測定報告を送信するように構成されている送信部とを具備し、
前記送信部は、所定期間、前記測定対象キャリア内の非サービングセルにおける無線品質の測定値が、該測定対象キャリア内のサービングセルにおける無線品質の測定値と所定オフセット値との和よりも大きい場合に、前記報告条件が満たされたと判定するように構成されていることを特徴とする移動局。 - 無線基地局との間で、搬送波周波数が異なる主キャリア及び1つ又は複数の副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、測定対象キャリア及び報告条件を含む測定制御情報を受信するように構成されている受信部と、
前記報告条件が満たされた場合、前記無線基地局に対して、前記測定対象キャリアにおける測定結果を含む測定報告を送信するように構成されている送信部とを具備し、
前記送信部は、所定期間、前記測定対象キャリア内の副キャリアのサービングセルにおける無線品質の測定値が、主キャリアのサービングセルにおける無線品質の測定値と所定オフセット値との和よりも小さい場合に、前記報告条件が満たされたと判定するように構成されていることを特徴とする移動局。 - 移動局が、搬送波周波数が異なる主キャリア及び1つ又は複数の副キャリアを用いた通信を行うように構成されている移動通信システムで用いられる無線基地局であって、
前記移動局に対して、測定対象キャリア及び報告条件を含む測定制御情報を送信するように構成されている送信部と、
前記報告条件が満たされたと判定した前記移動局から、前記測定対象キャリアにおける測定結果を含む測定報告を受信するように構成されている受信部と、
前記測定報告に応じて、前記副キャリアの追加及び削除を行うように構成されている制御部とを具備し、
前記制御部は、ネットワーク負荷に応じて、前記報告条件を変更するように構成されていることを特徴とする無線基地局。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102938902A (zh) * | 2012-10-26 | 2013-02-20 | 中兴通讯股份有限公司 | 一种载波聚合中动态管理辅小区的方法和装置 |
WO2014052905A1 (en) * | 2012-09-28 | 2014-04-03 | Yiu Candy | Rsrp mobility state estimation for cellular device |
WO2018143245A1 (ja) * | 2017-02-03 | 2018-08-09 | 京セラ株式会社 | 無線端末、プロセッサ及び基地局 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102271360B (zh) * | 2010-06-04 | 2015-08-12 | 中兴通讯股份有限公司 | 载波聚合系统中测量任务处理方法及系统 |
JP5243492B2 (ja) * | 2010-06-21 | 2013-07-24 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局、移動局、測定結果情報制御方法 |
US9337966B2 (en) * | 2012-07-25 | 2016-05-10 | Nec Corporation | Carrier aggregation |
US20150065138A1 (en) * | 2013-08-30 | 2015-03-05 | Qualcomm Incorporated | Frequency handover with inter-frequency interference measurement |
US9756532B2 (en) | 2013-09-20 | 2017-09-05 | Telefonaktiebolaget L M Ericsson (Publ) | Carrier aggregation sCell selection for LTE-A |
WO2015096088A1 (zh) * | 2013-12-26 | 2015-07-02 | 富士通株式会社 | 信道测量配置方法、信道测量方法、装置和通信系统 |
CN106416351B (zh) | 2014-02-24 | 2019-11-29 | 英特尔Ip公司 | 用于在长期演进网络中确定用户设备的移动性的用户设备、计算机可读介质和方法 |
WO2015149856A1 (en) * | 2014-04-03 | 2015-10-08 | Nokia Solutions And Networks Oy | Cell change in communications |
KR102273878B1 (ko) * | 2014-07-02 | 2021-07-06 | 삼성전자 주식회사 | 무선 통신 시스템에서 셀 간 부하 분산 방법 및 장치 |
EP3068160B1 (en) * | 2015-03-12 | 2018-01-17 | HTC Corporation | Device and method of handling communication operations with a communication device |
EP3328118A4 (en) * | 2015-07-22 | 2018-12-26 | Sharp Kabushiki Kaisha | Terminal device, base station device, communication method, and integrated circuit |
EP3346784B1 (en) * | 2015-09-29 | 2019-08-28 | Huawei Technologies Co., Ltd. | Carrier selection method and device in carrier aggregation technology |
CN107295593B (zh) * | 2016-04-13 | 2019-12-20 | 普天信息技术有限公司 | 载波聚合中小区切换方法和装置 |
CN105873072A (zh) * | 2016-05-23 | 2016-08-17 | 广东欧珀移动通信有限公司 | 一种移动终端的载波聚合控制方法、装置和移动终端 |
KR102055826B1 (ko) * | 2016-12-02 | 2019-12-13 | 에스케이텔레콤 주식회사 | 기지국 및 단말 장치 |
CN108366407A (zh) * | 2018-02-09 | 2018-08-03 | 厦门美图移动科技有限公司 | 服务小区选取方法及装置 |
KR102025641B1 (ko) * | 2018-07-09 | 2019-11-04 | 에스케이텔레콤 주식회사 | 기지국 및 단말 장치 |
CN109600791B (zh) * | 2019-01-04 | 2021-03-12 | Oppo广东移动通信有限公司 | 信号强度上报方法、装置、存储介质及移动终端 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4218387B2 (ja) * | 2003-03-26 | 2009-02-04 | 日本電気株式会社 | 無線通信システム、基地局及びそれらに用いる無線リンク品質情報補正方法並びにそのプログラム |
KR100612655B1 (ko) * | 2004-01-02 | 2006-08-16 | 한국전자통신연구원 | 수면모드 단말에 대한 트래픽 공지와 채널 적응 방법 및장치 |
FI20040280A0 (fi) * | 2004-02-23 | 2004-02-23 | Nokia Corp | Menetelmä pakettikytkentäisen kanavanvaihdon suorittamiseksi matkaviestinjärjestelmässä |
US8942716B2 (en) * | 2005-02-24 | 2015-01-27 | Ntt Docomo, Inc. | Radio resource control method, radio base station, and radio network controller |
KR100761697B1 (ko) * | 2006-06-13 | 2007-09-28 | 삼성전자주식회사 | 이동통신 단말기에서 셀 재선택 결정방법 및 장치 |
US20080045145A1 (en) * | 2006-08-17 | 2008-02-21 | Fujitsu Limited | Radio Relay Communication Method, Radio Base Station, and Radio Relay Station in Radio Communication System |
US8265033B2 (en) * | 2007-08-13 | 2012-09-11 | Telefonakatiebolaget Lm Ericsson (Publ) | Closed subscriber group cell handover |
US8165590B2 (en) * | 2007-08-13 | 2012-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Neighbor cell relation list initialization |
JP5487968B2 (ja) * | 2007-09-26 | 2014-05-14 | 日本電気株式会社 | 無線通信システム及び方法 |
US9084271B2 (en) * | 2009-06-30 | 2015-07-14 | Lg Electronics Inc. | Femto base station and method for managing resource thereof |
CN101674586B (zh) | 2009-10-13 | 2014-03-19 | 中兴通讯股份有限公司 | 一种载波聚合中的测量处理方法及系统 |
-
2010
- 2010-04-30 JP JP2010106002A patent/JP4960474B2/ja active Active
-
2011
- 2011-04-28 WO PCT/JP2011/060359 patent/WO2011136321A1/ja active Application Filing
- 2011-04-28 KR KR1020127027737A patent/KR101219665B1/ko not_active IP Right Cessation
- 2011-04-28 MX MX2012012515A patent/MX2012012515A/es active IP Right Grant
- 2011-04-28 CA CA2797254A patent/CA2797254C/en active Active
- 2011-04-28 CN CN201180020831.XA patent/CN102860065B/zh not_active Expired - Fee Related
- 2011-04-28 NZ NZ603734A patent/NZ603734A/en not_active IP Right Cessation
- 2011-04-28 EP EP11775102.4A patent/EP2566228A4/en not_active Withdrawn
- 2011-04-28 US US13/643,451 patent/US8644224B2/en not_active Expired - Fee Related
- 2011-04-28 AU AU2011246029A patent/AU2011246029B2/en not_active Ceased
Non-Patent Citations (4)
Title |
---|
"Measurement Events Generalization for Carrier Aggregation", 3GPP TSG-RAN WG2 #69 R2-101146, 22 February 2010 (2010-02-22), XP050421759 * |
HUAWEI: "Potential problem for the additional event for ICIC", 3GPP TSG RAN WG2 #63BIS R2-085543, 29 September 2008 (2008-09-29), XP050320356 * |
MOTOROLA: "Corrections to measurements and associated ASN. 1", 3GPP TSG-RAN2 #62 TDOC R2-082621, 5 May 2008 (2008-05-05), XP050140275 * |
NOKIA SIEMENS NETWORKS ET AL.: "Algorithms and results for autonomous component carrier selection for LTE-Advanced", 3GPP TSG RAN WG1 #54BIS MEETING R1-083733, 29 September 2008 (2008-09-29), XP050317072 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10045245B2 (en) | 2012-04-27 | 2018-08-07 | Intel Corporation | Discontinuous reception (DRX) enhancements in LTE systems |
US9609602B2 (en) | 2012-09-28 | 2017-03-28 | Intel Corporation | Always-on bearer for small data transfers in LTE systems |
US9781638B2 (en) | 2012-09-28 | 2017-10-03 | Intel Corporation | Method of enhanced interference measurements for channel state information (CSI) feedback |
US9332456B2 (en) | 2012-09-28 | 2016-05-03 | Intel Corporation | Discontinuous reception (DRX) enhancements in LTE systems |
US9374806B2 (en) | 2012-09-28 | 2016-06-21 | Intel Corporation | Dynamic hybrid automatic repeat request-acknowledgement (HARQ-ACK) transmission with enhanced physical downlink control channels |
US9578635B2 (en) | 2012-09-28 | 2017-02-21 | Intel Corporation | Method and apparatus for autonomous cluster head selection for machine-type-communications (MTC) |
US9591581B2 (en) | 2012-09-28 | 2017-03-07 | Intel Corporation | RSRP mobility state estimation for cellular device |
US9288756B2 (en) | 2012-09-28 | 2016-03-15 | Intel Corporation | Systems and methods for device-to-device communication in the absence of network coverage |
US11979768B2 (en) | 2012-09-28 | 2024-05-07 | Apple Inc. | Discontinuous reception (DRX) enhancements in LTE systems |
US9603132B2 (en) | 2012-09-28 | 2017-03-21 | Intel Corporation | Dynamic hybrid automatic repeat request-acknowledgement (HARQ-ACK) transmission with enhanced physical downlink control channels |
WO2014052905A1 (en) * | 2012-09-28 | 2014-04-03 | Yiu Candy | Rsrp mobility state estimation for cellular device |
US11638170B2 (en) | 2012-09-28 | 2023-04-25 | Apple Inc. | Discontinuous reception (DRX) enhancements in LTE systems |
US10264482B2 (en) | 2012-09-28 | 2019-04-16 | Intel Corporation | Enhanced node B configured for user plane EPS optimization |
US10631190B2 (en) | 2012-09-28 | 2020-04-21 | Apple Inc. | Discontinuous reception (DRX) enhancements in LTE systems |
CN102938902A (zh) * | 2012-10-26 | 2013-02-20 | 中兴通讯股份有限公司 | 一种载波聚合中动态管理辅小区的方法和装置 |
WO2018143245A1 (ja) * | 2017-02-03 | 2018-08-09 | 京セラ株式会社 | 無線端末、プロセッサ及び基地局 |
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EP2566228A1 (en) | 2013-03-06 |
AU2011246029B2 (en) | 2014-03-20 |
KR20120130341A (ko) | 2012-11-30 |
AU2011246029A1 (en) | 2012-11-22 |
KR101219665B1 (ko) | 2013-01-09 |
CA2797254C (en) | 2014-12-02 |
JP2011238995A (ja) | 2011-11-24 |
US20130100837A1 (en) | 2013-04-25 |
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US8644224B2 (en) | 2014-02-04 |
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