WO2015168896A1 - Procédé et dispositif d'envoi de rapport de mesurage, et système de communication - Google Patents

Procédé et dispositif d'envoi de rapport de mesurage, et système de communication Download PDF

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Publication number
WO2015168896A1
WO2015168896A1 PCT/CN2014/077017 CN2014077017W WO2015168896A1 WO 2015168896 A1 WO2015168896 A1 WO 2015168896A1 CN 2014077017 W CN2014077017 W CN 2014077017W WO 2015168896 A1 WO2015168896 A1 WO 2015168896A1
Authority
WO
WIPO (PCT)
Prior art keywords
mcg
user equipment
measurement report
scg
sending
Prior art date
Application number
PCT/CN2014/077017
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English (en)
Chinese (zh)
Inventor
鲁艳玲
徐海博
Original Assignee
富士通株式会社
鲁艳玲
徐海博
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士通株式会社, 鲁艳玲, 徐海博 filed Critical 富士通株式会社
Priority to PCT/CN2014/077017 priority Critical patent/WO2015168896A1/fr
Publication of WO2015168896A1 publication Critical patent/WO2015168896A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a communication system for transmitting a measurement report.
  • LTE-A Long Term Evolution-Advanced Carrier Aggregation
  • multiple carriers are aggregated together and can be simultaneously associated with a single user equipment (UE, User Equipment, also called a terminal).
  • the device or terminal communicates, that is, one user equipment has multiple serving cells.
  • the multiple serving cells one is a primary cell (PCell, Primary Cell), and the other is a secondary cell (SCell, Secondary Cell).
  • PCell Primary Cell
  • SCell Secondary Cell
  • the aggregated cells are all under the same base station, belonging to the same Carrier aggregation system of a base station.
  • the base station may configure a discontinuous reception (DRX, Discontinuous Reception) for the user equipment to control the user equipment pair C-RNTI, TPC-PUCCH-R TI TPC-PUSCH-RNT1 and SPS CR TI (if given Detection of a scrambled Physical Downlink Control Channel (PDCCH), such as when the user equipment is configured.
  • DRX discontinuous reception
  • TPC-PUCCH-R TI TPC-PUSCH-RNT1
  • SPS CR TI if given Detection of a scrambled Physical Downlink Control Channel (PDCCH)
  • PDCCH Physical Downlink Control Channel
  • Figure 1 is a schematic diagram of the DR cycle. As shown in Figure 1, it is divided into Active Time and Idle Time in each DR cycle. Among them, the activity time further includes the time in the following situations:
  • the user equipment does not need to trigger the SRS of type 0 during the idle time, and does not need to send CQI, PMI, RI, and ⁇ on the PUCCH.
  • the user equipment may send a scheduling request on the uplink to send uplink data.
  • the DR needs to change from idle time to active time due to the dispatch request.
  • the DR configuration is unique within each user equipment, which means that all active cells of the user equipment are either active or idle.
  • the detection of the relevant PDCCH and the transmission of the uplink signal by the user equipment are reduced, the energy loss is reduced, and the battery life is prolonged.
  • the base station configures measurement information for the user equipment, and the measurement parameters include measurement target, report configuration, measurement identifier, numerical configuration, and measurement gap. Based on these measurement parameters, the user equipment performs the measurement of the measurement identifier identification, measures the measurement target, and generates a measurement report according to the requirements of the report configuration and sends a measurement report to the base station.
  • the trigger of the measurement report can be periodic or event-triggered.
  • the user equipment When the user equipment triggers the measurement report, because the user equipment may be configured with DRX at the same time, if the trigger of the measurement report is just in the idle time of the DR, as described above, since the measurement report is uplink data, the user equipment may send a scheduling request. To request this from the base station to send this report. At this time, all active cells of the user equipment are switched from idle time to active time.
  • the measurement report only needs to be sent on one cell.
  • the measurement report is not particularly urgent in many cases, it is stipulated in the existing protocol that when the user equipment is configured with DR, it is triggered by an event or Periodically triggered measurement reports, the user equipment can delay these measurement reports until the active time of the DR is resent, so that the energy of the user equipment is not wasted unnecessarily.
  • Non-Patent Document 1 3GPP TS 36.331 V12.1.0 (2014-03) Radio Resource Control (RRC) Protocol specification. (Release 12)
  • Non-Patent Document 2 3GPP TR 36.321 V12.1.0 (2014-03) Medium Access Control (MAC) protocol specification (Release 12) Summary of the Invention
  • the user equipment can communicate with multiple base stations simultaneously.
  • the group of cells associated with the primary base station is referred to as a primary cell group (MCG)
  • MCG primary cell group
  • SCG secondary cell group
  • the DR configuration of the user equipment may no longer be unique.
  • DRX can be configured for the MCG and SCG respectively, or DRX can be configured only for the MCG, or DRX can be configured only for the SCG. Since the measurement report can only be sent on the cell in the MCG, the energy of the user equipment cannot be further saved under the current mechanism, and an unnecessary delay in the measurement report occurs.
  • Embodiments of the present invention provide a method, an apparatus, and a communication system for transmitting a measurement report.
  • the energy of the user equipment can be further saved and the unnecessary delay in the measurement report can be reduced.
  • a method for transmitting a measurement report is provided, which is applied to a user equipment configured with a primary cell group MCG and a secondary cell group SCG, where the sending method includes:
  • the measurement is delayed to report the activity time of the MCG.
  • a device for transmitting a measurement report is provided, which is configured in a user equipment having a primary cell group MCG and a secondary cell group SCG, where the sending device includes:
  • the report sending unit delays the measurement of the activity time of the report to the MCG for the event trigger and/or the periodically triggered measurement if the user equipment is configured with the discontinuous reception DR.
  • a communication system includes: a user equipment, configured with a primary cell group MCG and a secondary cell group SCG; and the user equipment is configured with a discontinuous reception DR
  • the delay measurement reports the activity time to the MCG.
  • a computer readable program is provided, wherein when at a user equipment When the program is executed, the program causes a computer to execute a transmission method of the measurement report as described above in the user equipment.
  • a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute a transmission method of a measurement report as described above in a user equipment.
  • An advantageous effect of the embodiment of the present invention is that by delaying the measurement report to the active time of the MCG, not only the unnecessary delay of the measurement report can be further reduced, but also the energy of the user equipment can be further saved.
  • Figure 1 is a schematic diagram of a DR cycle
  • Figure 2 is a schematic diagram of the DR in the case of dual connectivity
  • FIG. 3 is a schematic diagram of an example of a delay trigger measurement report in which a DR is configured in a dual connectivity
  • FIG. 4 is a schematic flowchart of a method for transmitting a measurement report according to Embodiment 1 of the present invention
  • FIG. 5 is another schematic flowchart of a method for transmitting a measurement report according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a transmitting apparatus of a measurement report according to Embodiment 2 of the present invention
  • Figure 7 is a schematic block diagram showing the system configuration of the user equipment according to Embodiment 2 of the present invention
  • Figure 8 is a block diagram showing the configuration of the communication system according to Embodiment 3 of the present invention.
  • the industry has proposed a new network protocol structure: dual connectivity.
  • the user equipment can simultaneously communicate with multiple base stations simultaneously.
  • the user equipment can simultaneously communicate with one macro base station and one small cell base station, or simultaneously with two small cell base stations.
  • one base station provides the user equipment with a control interface between the user equipment and the core network, which may be referred to as the primary base station.
  • the primary base station In addition to the primary base station, other base stations that are concurrent with the user equipment may be referred to as secondary base stations.
  • the cell group associated with the primary base station In the serving cell of the user equipment, the cell group associated with the primary base station is referred to as a primary cell group (MCG), and the cell group associated with the secondary base station is referred to as a secondary cell group (SCG, Secondary Cell Group).
  • MCG primary cell group
  • SCG Secondary Cell Group
  • FIG. 2 is a schematic diagram of DR in the case of dual connectivity.
  • all active cells in the MCG follow the DR configuration corresponding to the MCG.
  • All activated cells in the SCG follow the DR configuration corresponding to the SCG.
  • the parameters in the MCG DR and SCG DR configurations are It may be different, such as activity time and free time.
  • the user equipment since the DR function itself is only an optional configuration, the user equipment may only have a DR configuration in one cell group; for example, only the SCG is configured with DRX, and the MCG is not configured with DRX.
  • the measurement report can only be sent on the cell in the MCG, when the measurement report is triggered, the following problems occur in the two DR configurations:
  • Case 1 If the user equipment only configures the DRX of the SCG, it is in the idle time of the SCG when the measurement report is triggered. If the user equipment does not distinguish which cell group the idle time belongs to, the measurement report may be delayed until the activity time of the SCG. , the measurement report is sent in the MCG. However, in this case, the delay in the measurement report does not result in power savings, because the MCG does not have DRX configured and can always send data. In this case, the delay of the measurement report is not necessary.
  • Case 2 If the user equipment configures the DRX for the MCG and the SCG at the same time, then when the measurement report is triggered, the idle time of the DR of the SCG or/and the MCG, if the user equipment delays the measurement report, the SCG activity time starts early. At the start time of the MCG activity time, after the user equipment enters the SCG activity time, the measurement report is sent, but since the measurement report must be sent in the MCG, the user equipment sends a scheduling request in the MCG, and the MCG will Change from idle time to active time.
  • FIG. 3 is a schematic diagram of an example of a delay trigger measurement report when MCG DR and SCG DR are configured.
  • the trigger time of the measurement report is at time point A, and the time point measurement report is passed through a cell in the MCG. Send to the MeNB.
  • the MCG's active time is advanced (the transmission of the measurement report can be delayed until time point C), obviously in this case, the power loss of the user equipment is increased.
  • Example 1 In view of the above problems, the embodiments of the present invention will be described in detail below.
  • Example 1 In view of the above problems, the embodiments of the present invention will be described in detail below.
  • FIG. 4 is a schematic flowchart of a method for transmitting a measurement report according to an embodiment of the present invention. As shown in FIG. 4, the method includes:
  • Step 401 In the case that the user equipment is configured with the DR, for the event trigger and/or the periodic trigger measurement, the user equipment delays the measurement report to the MCG activity time.
  • the DRX may be configured for the MCG and the SCG of the user equipment, that is, the MCG DRX and the SCG DRX, or the DRX may be configured only for the MCG, and the DRX may not be configured for the SCG.
  • the MCG is configured with DRX.
  • event triggered measurement and periodic triggered measurement it refers to the trigger of the measurement report is event trigger or periodic trigger, and can refer to related technologies.
  • the user equipment may delay event triggering and/or periodically triggered measurement reports until the active time of the MCG. This means that when the user equipment wants to delay the measurement report, it only needs to consider the DR configuration of the MCG, and does not need to consider the DR configuration of the SCG.
  • the user equipment MCG is not configured with a DR, there may be no need to consider whether to delay the measurement report.
  • the user equipment does not have to delay the measurement report. Thereby, an unnecessary delay of the measurement report can be further reduced.
  • the measurement report can be delayed until the active time of the MCG.
  • the user equipment when the user equipment triggers the measurement report, if it finds that it is just in the MCG's idle time, then the measurement report is delayed until the MCG's active time. As shown in Figure 3, the user equipment can send a measurement report at point C. Thus, the energy of the user equipment is further saved compared to the measurement report being transmitted at point B.
  • FIG. 5 is another schematic flowchart of a method for transmitting a measurement report according to an embodiment of the present invention. As shown in FIG. 5, the method includes
  • Step 501 The user equipment determines whether the DRX is configured for the MCG and/or the SCG. Step 502 is performed if the MCG DR is configured, and step 503 is performed if the MCG DR is not configured.
  • Step 502 delay the measurement report until the MCG's active time.
  • Step 503 the measurement report is not delayed.
  • the embodiment of the invention provides a device for transmitting a measurement report, which is configured in a user equipment having a primary cell group MCG and a secondary cell group SCG.
  • a measurement report which is configured in a user equipment having a primary cell group MCG and a secondary cell group SCG.
  • the same contents as in Embodiment 1 will not be described again.
  • FIG. 6 is a schematic diagram of a sending apparatus of a measurement report according to an embodiment of the present invention.
  • the sending apparatus 600 includes: a report sending unit 601, where the user equipment is configured with discontinuous receiving DR, for an event Triggering and/or periodically triggered measurements, delaying the measurement of the activity time reported to the MCG.
  • the report sending unit 601 only considers the DR configuration of the MCG when delaying the measurement report.
  • the DR configuration of the SCG is not considered.
  • the transmitting device 600 may further include: a determining unit 602, configured to determine whether the DRX is configured for the MCG and/or the SCG.
  • the report sending unit 601 is further configured to not consider whether to delay the measurement report if the MCG is not configured with a DR. For example, the report transmitting unit 601 does not delay the measurement report if the MCG is not configured with the DRX and the SCG is configured with the DR.
  • the report transmitting unit 601 delays the measurement report until the active time of the MCG if the MCG is configured with a DR.
  • An embodiment of the present invention further provides a user equipment, including the transmitting apparatus 600 as described above.
  • FIG. 7 is a schematic block diagram showing the system configuration of the user equipment 700 according to the embodiment of the present invention.
  • the user equipment 700 can include a central processing unit 100 and a memory 140; the memory 140 is coupled to the central processing unit 100.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the functionality of the transmitting device 600 can be integrated into the central processor 100.
  • the central processing unit 100 may be configured to implement the transmission method of the measurement report as described in Embodiment 1.
  • the transmitting device 600 can be configured separately from the central processing unit 100.
  • the transmitting device 600 can be configured as a chip connected to the central processing unit 100, and the functions of the transmitting device 600 can be implemented by control of the central processing unit.
  • the user equipment 700 may further include: a communication module 110, an input unit 120, an audio processing unit 130, a display 160, and a power source 170. It should be noted that the user equipment 700 does not necessarily include all of the components shown in FIG. 7. In addition, the user equipment 700 may also include components not shown in FIG. 7, and reference may be made to the prior art.
  • central processor 100 also sometimes referred to as a controller or operational control, may include a microprocessor or other processor device and/or logic device that receives input and controls each of user devices 700. The operation of the part.
  • the memory 140 may be, for example, one or more of a buffer, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, or other suitable device. Information related to failures can be stored, and programs for performing related information can be stored. And the central processing unit 100 can execute the program stored by the memory 140 to implement information storage or processing and the like. The functions of other components are similar to those of the existing ones and will not be described here. use The various components of the household device 700 can be implemented by dedicated hardware, firmware, software, or a combination thereof without departing from the scope of the invention.
  • the embodiment of the present invention provides a communication system, and the same content as Embodiment 1 or 2 will not be described again.
  • FIG. 8 is a schematic structural diagram of a communication system according to an embodiment of the present invention. As shown in FIG. 8, the communication system is shown in FIG.
  • 800 includes: a primary base station 801 and a secondary base station 802;
  • the communication system 800 further includes: a user equipment 803 configured with a primary cell group MCG and a secondary cell group SCG; and in a case where a discontinuous reception DR is configured, the user equipment 803 triggers for an event and/or Periodically triggered measurements, delayed measurement reports to the MCG's active time.
  • the user equipment 803 can also determine whether DRX is configured for the MCG and/or the SCG.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a user equipment, the program causes the computer to execute the sending method of the measurement report described in Embodiment 1 in the user equipment.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the transmission method of the measurement report described in Embodiment 1 in the user equipment.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • an application specific integrated circuit AS
  • FPGA field programmable gate array
  • One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more micro-combinations combined with DSP communication Processor or any other such configuration.

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

Abstract

L'invention concerne un procédé et un dispositif d'envoi de rapport de mesurage, et un système de communication. Le procédé d'envoi consiste à : lorsqu'un équipement d'utilisateur est doté d'une fonction de réception discontinue (DRX), pour mesurer un événement de déclenchement et/ou un déclenchement périodique, retarder le temps actif pour qu'un rapport de mesurage parviennent à un MCG. Les modes de réalisation de la présente invention permettent de réduire le retard d'un rapport de mesurage et d'économiser l'énergie d'un équipement d'utilisateur.
PCT/CN2014/077017 2014-05-08 2014-05-08 Procédé et dispositif d'envoi de rapport de mesurage, et système de communication WO2015168896A1 (fr)

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PCT/CN2014/077017 WO2015168896A1 (fr) 2014-05-08 2014-05-08 Procédé et dispositif d'envoi de rapport de mesurage, et système de communication

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Application Number Priority Date Filing Date Title
PCT/CN2014/077017 WO2015168896A1 (fr) 2014-05-08 2014-05-08 Procédé et dispositif d'envoi de rapport de mesurage, et système de communication

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102812658A (zh) * 2010-01-08 2012-12-05 交互数字专利控股公司 针对多个载波的信道状态信息传输
CN103477678A (zh) * 2011-04-15 2013-12-25 瑞萨移动公司 电视空白波段上的lte载波聚合配置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102812658A (zh) * 2010-01-08 2012-12-05 交互数字专利控股公司 针对多个载波的信道状态信息传输
CN103477678A (zh) * 2011-04-15 2013-12-25 瑞萨移动公司 电视空白波段上的lte载波聚合配置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification (Release 12", 3GPP TS 36. 331 V12.1.0, 31 March 2014 (2014-03-31), XP055234372 *

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