WO2015139229A1 - 一种用户设备、基站及载波利用方法 - Google Patents
一种用户设备、基站及载波利用方法 Download PDFInfo
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- WO2015139229A1 WO2015139229A1 PCT/CN2014/073693 CN2014073693W WO2015139229A1 WO 2015139229 A1 WO2015139229 A1 WO 2015139229A1 CN 2014073693 W CN2014073693 W CN 2014073693W WO 2015139229 A1 WO2015139229 A1 WO 2015139229A1
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- Prior art keywords
- secondary carrier
- user equipment
- carrier
- activated
- time
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000004913 activation Effects 0.000 claims abstract description 148
- 230000003213 activating effect Effects 0.000 claims abstract description 30
- 230000009849 deactivation Effects 0.000 claims description 161
- 238000001514 detection method Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims 2
- 238000001228 spectrum Methods 0.000 description 39
- 230000005540 biological transmission Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 21
- 230000011664 signaling Effects 0.000 description 10
- 230000003993 interaction Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000000969 carrier Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a user equipment, a base station, and a carrier utilization method. Background technique
- Spectrum management is a spectrum planning method established for the effective use of wireless spectrum.
- Current spectrum management divides spectrum resources into two categories: One is classified to fixed authorized users (such as using a network service provided by a mobile operator).
- Authorized spectrum of the user in order to ensure excessive mutual interference between the users, only the authorized users and their compliant devices are allowed to access the authorized spectrum; the other is to be assigned to unauthorized users (such as Unlicensed spectrum of a home user, devices that meet certain specifications and standards can access and use the unlicensed spectrum, and Wi-Fis (Freet s) devices mostly work in In the unlicensed spectrum, at present, the frequency bands of China's unlicensed spectrum mainly include 2. 4 ⁇ 2. 4835 GHz and 5. 725 ⁇ 5. 850 GHz.
- the embodiments of the present invention provide a user equipment, a base station, and a carrier utilization method, so as to further improve the utilization of existing carrier resources.
- the technical solution adopted by the present invention is:
- the present invention provides a user equipment, including:
- a carrier configuration module configured to receive configuration information of a secondary carrier sent by the base station, and configure the secondary carrier according to the configuration information, where the secondary carrier is an unlicensed band or a carrier resource in a shared frequency band, where the shared frequency band is an authorized a frequency band used jointly by at least two operators;
- a first control module configured to: after receiving the first activation command sent by the base station, activate the location Configuring a secondary carrier configured by the carrier configuration module to obtain an activated secondary carrier, and controlling to open its own RF RF module;
- a time determining module configured to receive usage right control information of the activated secondary carrier sent by the base station, and determine an available time of the activated secondary carrier according to the usage right control information
- a second control module configured to perform an operation related to the activated secondary carrier within an available time determined by the time determining module; after the available time determined by the time determining module is reached, stopping with the activated auxiliary Carrier related operations.
- the time determining module includes: a first information receiving submodule, configured to receive a second activation command and a second deactivation command that are sent by the base station in sequence;
- a first time determining submodule configured to determine, by the first information receiving submodule, an interval between the second activation command and the second deactivation command as an available time of the activated secondary carrier.
- the time determining module includes: a second information receiving submodule, configured to receive a third activation command that is sent by the base station and carries an activation time;
- the second time determining submodule is configured to determine the activation time as an available time of the activated secondary carrier.
- the time determining module includes: a third information receiving submodule, configured to receive a synchronization signal that is sent by the base station by using the activated secondary carrier at a set frequency;
- a third time determining submodule configured to determine an available time of the activated secondary carrier during a period in which the third information receiving submodule is capable of receiving the synchronization signal.
- the operation related to the activating the secondary carrier includes: The PDCCH detection and related information reporting of the physical layer downlink control channel related to the active secondary carrier, and the downlink data sent by the receiving base station by using the activated secondary carrier, where the related information includes a channel quality indicator CQI, a precoding matrix index number PMI, rank indication RI, and precoding type indicate one or more of the PTIs;
- the user equipment further includes:
- a timer starting module configured to: after the time determining module receives the usage right control information of the activated secondary carrier sent by the base station, if the own deactivation timer is in an inactive state, start the deactivation a timer, so that the deactivation timer is timed according to a preset timing time, and if the deactivation timer is in a pause state, the deactivation timer is continued from the paused time according to a preset timing time.
- a timer restarting module configured to restart the deactivation timer each time the second control module receives the downlink data, so that the deactivation timer re-calculates according to a preset timing time
- a timer suspending module configured to suspend the deactivation timer if the deactivation timer does not time out and reaches an available time determined by the time determining module
- a third control module configured to: if the deactivation timer expires, deactivate the activated secondary carrier, stop performing operations related to the activated secondary carrier, and shut down the RF module.
- the user equipment further includes:
- a fourth control module configured to: after receiving the first deactivation command sent by the base station, deactivate the activated secondary carrier, stop performing operations related to the activated secondary carrier, and shut down the RF module.
- a base station including:
- the configuration sending module is configured to send the configuration information of the secondary carrier to the user equipment, so that the user equipment configures the secondary carrier according to the configuration information, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is used. a frequency band licensed for use by at least two operators;
- a first sending module configured to send a first activation command to the user equipment, after the user equipment receives the first activation command, activate the configured secondary carrier to obtain an activated secondary carrier, and control to open itself RF RF module;
- a second sending module configured to send usage right control information of the activated secondary carrier to the user equipment, so that the user equipment determines, according to the usage right control information, an available time of the activated secondary carrier, and in the available time Performing operations related to the activated secondary carrier, after reaching the The operation associated with the activated secondary carrier is stopped after a lapse of time.
- the second sending module is configured to send a second activation command and a second deactivation command to the user equipment, respectively, so that the user equipment
- the interval between the second activation command and the second deactivation command is determined as the available time of the activated secondary carrier.
- the second sending module is configured to send, to the user equipment, a third activation command that carries an activation time, so that the user equipment determines the activation time. The time available to activate the secondary carrier.
- the second sending module is configured to send, by using the activated secondary carrier, a synchronization signal to the user equipment at a set frequency, so that the user equipment The time period in which the synchronization signal is received determines the available time of the activated secondary carrier.
- the base station further includes:
- a third sending module configured to send a first deactivation command to the user equipment, after the user equipment receives the first deactivation command, deactivate the activated secondary carrier, and stop performing the The secondary carrier related operation is activated and the RF module is turned off.
- a carrier utilization method including:
- the user equipment receives the configuration information of the secondary carrier sent by the base station, and configures the secondary carrier according to the configuration information, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is authorized to at least two The frequency band commonly used by operators;
- the configured secondary carrier After receiving the first activation command sent by the base station, the configured secondary carrier is activated to obtain an activated secondary carrier, and the RF RF module that turns on itself is controlled;
- the usage right control information of the secondary carrier determines the available time of the activated secondary carrier according to the usage right control information, including:
- the interval between receiving the second activation command and the second deactivation command is determined as the available time of the activated secondary carrier.
- the receiving right control information of the activated secondary carrier sent by the receiving base station, determining the available time of the activated secondary carrier according to the usage right control information includes:
- the activation time is determined as the available time of the activated secondary carrier.
- the receiving right control information of the activated secondary carrier sent by the receiving base station, determining the available time of the activated secondary carrier according to the usage right control information includes:
- the operation related to the activating the secondary carrier includes: The PDCCH detection and related information reporting of the physical layer downlink control channel related to the active secondary carrier, and the downlink data sent by the receiving base station by using the activated secondary carrier, where the related information includes a channel quality indicator CQI, a precoding matrix index number PMI, rank indication RI, and precoding type indicate one or more of the PTIs;
- the method further includes:
- the deactivation timer of the active secondary carrier After receiving the usage right control information of the activated secondary carrier sent by the base station, if the deactivation timer of the active secondary carrier is in an inactive state, the deactivation timer is started, so that the deactivation timer is followed.
- the preset timing time is timed, and if the deactivation timer of the self is in the pause state, the deactivation timer is continuously counted from the paused time according to the preset timing time;
- the activated secondary carrier is deactivated, and operations related to the activated secondary carrier are stopped, and the RF module is turned off.
- the method further includes:
- the present invention After receiving the first deactivation command sent by the base station, deactivating the activated secondary carrier, stopping the operation related to the activated secondary carrier, and turning off the RF module.
- a carrier utilization method including:
- the base station sends the configuration information of the secondary carrier to the user equipment, so that the user equipment configures the secondary carrier according to the configuration information, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is authorized to at least two Frequency bands commonly used by operators;
- the carrier related operation stops the operation associated with the activated secondary carrier after the available time is reached.
- Available time including:
- the user equipment sends right usage control information of the activated secondary carrier, so that the user equipment determines, according to the usage right control information, the activated secondary carrier.
- Available time including: Sending, to the user equipment, a third activation command carrying an activation time, so that the user equipment determines the activation time as an available time of the activated secondary carrier.
- the user equipment sends right usage control information of the activated secondary carrier, so that the user equipment determines, according to the usage right control information, the activated secondary carrier.
- Available time including:
- the method further includes:
- the user equipment, the base station, and the carrier usage method provided by the embodiment of the present invention firstly configure a secondary carrier in an unlicensed frequency band or a shared frequency band for the user equipment, and when the base station needs to use the configured secondary carrier for data transmission, first activate the user equipment.
- the available time such that the user equipment performs the operations associated with the activated secondary carrier within the available time.
- the embodiment of the present invention can further utilize the secondary carrier in the unlicensed frequency band or the shared frequency band to implement data transmission, further satisfying the requirement of a certain mobile operator or a certain mobile technology for spectrum resources, and based on the activated secondary carrier.
- the user equipment performs the operation related to the activated secondary carrier only when the user has the right to use the activated secondary carrier, so that the user equipment can be fully utilized.
- the available time of activating the secondary carrier for data scheduling not only improves the carrier utilization efficiency, but also reduces the unnecessary energy consumption and resource consumption of the user equipment.
- FIG. 1 is a system architecture diagram of a user equipment and a base station in an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of an available time for activating a secondary carrier in an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- FIG. 7 is a schematic flow chart of a method for utilizing a carrier in an embodiment of the present invention.
- FIG. 8 is another schematic flowchart of a carrier utilization method according to an embodiment of the present invention.
- FIG. 9 is a signaling interaction diagram of a carrier utilization method in an embodiment of the present invention.
- FIG. 10 is another signaling interaction diagram of a carrier utilization method according to an embodiment of the present invention.
- FIG. 11 is another signaling interaction diagram of a carrier utilization method in an embodiment of the present invention.
- FIG. 12 is another signaling interaction diagram of a carrier utilization method in an embodiment of the present invention. detailed description
- FIG. 2 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure, where the user equipment includes:
- the carrier configuration module 201 is configured to receive configuration information of the secondary carrier sent by the base station, and configure the secondary carrier according to the configuration information, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, where the shared frequency band is A band licensed to at least two operators for use.
- the first control module 202 is configured to: after receiving the first activation command sent by the base station, activate the secondary carrier configured by the carrier configuration module 201 to obtain an activated secondary carrier, and control to open its own radio frequency (Rad io Frequency, The cartridge is called an RF) module without performing operations associated with the activated secondary carrier.
- RF radio frequency
- each cell is configured with multiple carriers, and the evo lved Node B (eNB) can use one or more carriers of the cell in which it is located, but can be used by the user equipment (User Equipment, UE)
- the used carrier is a carrier configured by the eNB, and the configured carrier is further divided into activated carriers (the activated carrier further includes an activated primary carrier and an activated secondary carrier, and the eNB can utilize activation for serving the UE)
- the primary carrier or the activated secondary carrier transmits the configuration information to the UE and the deactivated carrier, the UE can only perform data transmission on the activated carrier, and does not perform any data transmission on the deactivated carrier.
- the eNB may send the first activation command to the UE by using the primary carrier serving the UE or any secondary carrier that has been activated.
- the configuration information of the secondary carrier received by the carrier configuration module 201 may also identify that the secondary carrier is an unlicensed spectrum or a shared spectrum, and after the first control module 202 receives the first activation command, And detecting whether the configured secondary carrier is identified as an unlicensed spectrum or a shared spectrum, and if yes, activating the configured secondary carrier to obtain an activated secondary carrier and opening a corresponding RF module, to be between the UE and the eNB. Prepare for data transmission by the activated secondary carrier.
- the time determining module 203 is configured to receive usage right control information of the activated secondary carrier sent by the base station, and determine an available time of the activated secondary carrier according to the usage right control information.
- the second control module 204 is configured to perform an operation related to the activated secondary carrier within an available time determined by the time determining module 203; after reaching the available time determined by the time determining module 203, stopping the operation The operation of activating a secondary carrier is described.
- the Carrier related operations include: a physical layer downlink control channel associated with the activated secondary carrier
- the related information includes a channel quality indicator (Channel Qua ty Indi cator), a precoding matrix index number (Precoding Matr ix Index), a rank indicator ( Rank Indicator, a cylinder RI), and One or more of a Precoding Type Indicator (PTI);
- the PDCCH detection related to the activated secondary carrier includes: PDCCH detection on an activated secondary carrier, and using the other carrier pair PDCCH detection on the other carriers when the data on the secondary carrier is activated for scheduling.
- FIG. 3 a schematic diagram of the available secondary carrier activation time is shown.
- the activated secondary carrier is an unlicensed spectrum
- the UE needs to share the unlicensed spectrum with other communication devices such as WiFi working on the unlicensed spectrum.
- the activated secondary carrier is an authorized shared spectrum
- the UE needs to The other communication devices working on the shared spectrum share the shared spectrum. Therefore, the eNB needs to obtain the use right of the activated secondary carrier in a competitive manner or a non-contention manner, and the time for obtaining the use right is limited each time.
- the available time of the unlicensed spectrum is about 10 milliseconds.
- the second control module 204 in the embodiment of the present invention detects the PDCCH and the feedback only during the available time of activating the secondary carrier, which consumes unnecessary power consumption on the PDCCH and consumes unnecessary resources to feed back related information. Related information, which can save power consumption and resources on the UE side.
- the activated secondary carrier can be fully utilized for data transmission in an effective time, further improving.
- how the time determining module 203 determines the available time of the activated secondary carrier includes the following three implementation manners:
- the second control module 204 can enable the UE according to the second activation command and the second deactivation command sent by the base station, because the usage right of the activated secondary carrier is discrete on the time axis.
- the operations associated with activating the secondary carrier are performed during the time interval of the two commands (ie, the available time to activate the secondary carrier).
- the primary carrier or any activated secondary carrier may be used to send a second activation command to the UE, so that the UE performs PDCCH detection and correlation related to the activated secondary carrier.
- the information is reported, and the data transmission between the eNB and the UE is implemented by using the activated secondary carrier; when the eNB loses or is about to lose the usage right of the activated secondary carrier, the eNB may stop the UE by sending a second deactivation command to the UE.
- PDCCH detection and related information reporting related to the activated secondary carrier and no longer implementing data transmission between the eNB and the UE by activating the secondary carrier.
- the time determining module 203 specifically includes:
- the first information receiving submodule is configured to receive a second activation command and a second deactivation command that are sent by the base station.
- the second activation command may be a command sent by the base station before having the usage right of the activated secondary carrier or having the usage right of the activated secondary carrier, where the second deactivation command may be the base station.
- a first time determining submodule configured to determine, by the first information receiving submodule, an interval between the second activation command and the second deactivation command as an available time of the activated secondary carrier.
- the second control module 204 may enable the UE to be in the activation time according to the third activation command that is sent by the base station and carries the activation time, because the usage right of the activated secondary carrier is discrete on the time axis.
- the operation associated with activating the secondary carrier is performed within (ie, the available time to activate the secondary carrier).
- the primary carrier or any activated secondary carrier may be used to send a third activation command carrying the activation time to the UE, so that the UE performs the activation time within the activation time.
- Deriving the PDCCH detection and related information reporting of the secondary carrier, and implementing the data transmission between the eNB and the UE by using the activated secondary carrier during the activation time; after the activation time is reached, indicating that the eNB has lost the location The activation of the use of the secondary carrier is performed, and the UE stops reporting the PDCCH detection and related information related to the activated secondary carrier, and does not The data transmission between the eNB and the UE is implemented by activating the secondary carrier.
- the time determining module 203 specifically includes:
- a second information receiving submodule configured to receive a third activation command that is sent by the base station and carries an activation time.
- the third activation command may be a command sent by the base station before having the usage right of the activated secondary carrier or having the usage right of the activated secondary carrier.
- the second time determining submodule is configured to determine the activation time as an available time of the activated secondary carrier.
- the second control module 204 can continuously detect the synchronization signal sent by the base station, so that the UE is in the period of being able to receive the synchronization signal (ie, activation), because the usage right of the activated secondary carrier is discrete on the time axis.
- the available time of the secondary carrier performs operations related to activating the secondary carrier.
- the active secondary carrier may be used to continuously send a synchronization signal to the UE, so that the UE performs PDCCH detection related to the activated secondary carrier during a period in which the synchronization signal can be detected. And reporting the related information, and during the period, the data transmission between the eNB and the UE is implemented by using the activated secondary carrier; when the eNB loses the use right of the activated secondary carrier, the synchronization signal is not sent to the UE, when the UE detects no When the synchronization signal is received, the UE stops reporting the PDCCH detection and related information related to the activated secondary carrier, and does not implement data transmission between the eNB and the UE by activating the secondary carrier.
- the time determining module 203 specifically includes:
- a third information receiving submodule configured to receive a synchronization signal that is sent by the base station by using the activated secondary carrier at a set frequency.
- the synchronization signal is a signal that is sent by the base station when it has the right to use the activated secondary carrier.
- a third time determining submodule configured to determine an available time of the activated secondary carrier during a period in which the third information receiving submodule is capable of receiving the synchronization signal. Further, after the first control module 202 on the UE side receives the first activation command, if it is determined that the activated secondary carrier is an unlicensed spectrum or a shared spectrum, the deactivation timer is not started at this time, that is, the deactivation is deactivated. The timer is set to infinity or the deactivation timer is off.
- the UE After the UE receives the second activation command or the third activation command or the synchronization signal sent by the eNB to determine that the activated secondary carrier is available, if the deactivation timer is not activated, the UE starts the deactivation timer, and according to the pre- The set timing is timed; if the deactivation timer is in the pause state, the UE continues to count the deactivation timer, and the timer is counted as the time of the last pause. Moreover, the UE may receive the downlink data sent by the eNB multiple times during the available time of the activated secondary carrier, and the UE restarts the deactivation timer every time the downlink data is received, and according to the preset timing. Time is timed.
- the UE deactivates the activated secondary carrier, and stops reporting the PDCCH detection and related information related to the activated secondary carrier, and shuts down. If the deactivation timer does not have a timing timeout, the UE may control the deactivation timer according to one of the following indications of the eNB, based on the foregoing three implementation manners of the time determining module 203, specifically : 1), after the UE receives the second deactivation command sent by the eNB, the UE suspends the deactivation timer and maintains the timing of the current deactivation timer;
- the UE suspends the deactivation timer and maintains the timing of the current deactivation timer;
- the UE When the UE cannot detect the synchronization signal sent by the eNB on the activated secondary carrier, the UE temporarily suspends the deactivation timer and maintains the timing of the current deactivation timer.
- the foregoing user equipment further includes:
- a timer starting module configured to: after the time determining module 203 receives the usage right control information of the activated secondary carrier sent by the base station, if the deactivation timer of the base is in an unactivated state, start the Activating a timer, so that the deactivation timer is timed according to a preset timing time, and if the deactivation timer is in a pause state, the deactivation timer is continued from the paused time according to a preset timing. Time to count;
- a timer restarting module configured to: when the second control module 204 receives the downlink data, restart the deactivation timer, so that the deactivation timer is re-timed according to a preset timing time;
- a timer suspending module configured to suspend the deactivation timer if the deactivation timer does not time out and reaches an available time determined by the time determining module 203;
- a third control module configured to deactivate the activated secondary carrier if the deactivation timer expires, stop performing operations related to the activated secondary carrier, and shut down the RF module.
- the user equipment when the base station does not need to use the activated secondary carrier for data transmission, the user equipment may be configured to stop all settings or operations related to the activated secondary carrier by sending a first deactivation command. Therefore, the user equipment may further include: a fourth control module, configured to: after receiving the first deactivation command sent by the base station, deactivate the activated secondary carrier, and stop performing related to the activated secondary carrier Operation, and shutting down the RF module.
- the base station in the embodiment of the present invention may be a base station device using any technology such as a Long Term Evolution (LTE) or a Universal Mobile Telecommunications System (UMTS);
- the activation command in the embodiment of the present invention may be a radio resource control protocol (Radio Resource Control, RRC), or a media access control (MediaAcces sControl), or a physical layer (hys ica l layer, PHY). Layer signaling.
- RRC Radio Resource Control
- MediaAcces sControl media access control
- PHY physical layer
- FIG. 4 is a schematic structural diagram of a base station according to Embodiment 2 of the present invention.
- the base station includes: a configuration sending module 401, configured to send configuration information of a secondary carrier to a user equipment, so that the user equipment configures the auxiliary according to the configuration information.
- the first sending module 402 is configured to send the first to the user equipment.
- An activation command after the user equipment receives the first activation command, activate the configured secondary carrier to obtain an activated secondary carrier, and control to open its own RF RF module;
- a second sending module 403 configured to send usage rights control information of the activated secondary carrier to the user equipment, so that the user equipment determines, according to the usage right control information, an available time of the activated secondary carrier, and is available in the The operation related to the activated secondary carrier is performed within a time period, and the operation related to the activated secondary carrier is stopped after the available time is reached.
- the second sending module 403 is specifically configured to send a second activation command and a second deactivation command to the user equipment, so that the user equipment will receive the second activation command and The interval of the second deactivation command is determined as the available time of the activated secondary carrier.
- the second activation command may be a command sent by the base station before having the usage right of the activated secondary carrier or having the usage right of the activated secondary carrier, where the second deactivation command may be the base station.
- the second sending module 403 is specifically configured to send, to the user equipment, a third activation command that carries an activation time, so that the user equipment determines the activation time as an available time of the activation secondary carrier.
- the third activation command may be a command sent by the base station before having the usage right of the activated secondary carrier or having the usage right of the activated secondary carrier.
- the second sending module 403 is specifically configured to send, by using the activated secondary carrier, a synchronization signal to the user equipment at a set frequency, so that the user equipment will determine the time period during which the synchronization signal can be received.
- the synchronization signal is a signal that is sent by the base station when it has the right to use the activated secondary carrier.
- the base station further includes:
- a third sending module configured to send a first deactivation command to the user equipment, after the user equipment receives the first deactivation command, deactivate the activated secondary carrier, and stop performing the The secondary carrier related operation is activated and the RF module is turned off.
- the above modules may be embedded in the hardware of the base station or in the form of software, and may be stored in the base station, such as the memory of the base station, so that the processor calls the corresponding operations of the above modules.
- the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
- the embodiment of the present invention further provides a configuration of the user equipment 100 and the base station 200, respectively.
- a transmitter, a receiver, a processor, at least one network interface or other communication interface, a memory, and at least one communication bus may be included for enabling connection communication between the devices.
- a receiver is used to receive data
- a processor is used to execute an executable module, such as a computer program, stored in the memory.
- the memory may include a high speed random access memory (RAM: Random Acces s Memory), and may also include a non-volatile memory, such as at least one disk memory.
- RAM Random Acces s Memory
- the communication connection between the system gateway and at least one other network element may be implemented through at least one network interface (which may be wired or wireless), and may use an Internet, a wide area network, a local network, a metropolitan area network, or the like.
- program instructions are stored in the memory, and the program instructions can be executed by the processor, the transmitter, and the receiver.
- the receiver is configured to receive configuration information of a secondary carrier that is sent by the base station, where the secondary carrier is a carrier resource in an unlicensed band or a shared frequency band, and the shared frequency band is a frequency band that is authorized to be commonly used by at least two operators.
- a processor configured to configure the secondary carrier according to configuration information sent by the receiver.
- a receiver configured to receive usage right control information of the activated secondary carrier sent by the base station.
- a processor configured to determine, according to the usage right control information, an available time of the activated secondary carrier, perform an operation related to the activated secondary carrier within the available time, and stop performing the available time after reaching the available time The operation of activating a secondary carrier is described.
- the receiver and the processor are further configured to perform the following steps:
- the processor is configured to determine, as the interval between receiving the second activation command and the second deactivation command, The available time to activate the secondary carrier.
- the processor is configured to determine the activation time as an available time of the activated secondary carrier.
- the processor is configured to determine a available time of the activated secondary carrier during a period in which the synchronization signal can be received.
- the operation related to the activating the secondary carrier includes: a physical layer downlink control channel PDCCH detection related to the activated secondary carrier, and reporting of related information, and the receiving base station utilizing the activation Downlink data sent by the secondary carrier, where the related information packet
- the channel quality indicator CQI, the precoding matrix index number PMI, the rank indication RI, and the precoding type indication PTI are one or more; the processor is further configured to perform the following steps:
- the deactivation timer of the user equipment After the receiver receives the usage right control information of the activated secondary carrier sent by the base station, if the deactivation timer of the user equipment is in an inactive state, the deactivation timer is started, so that the deactivation is performed. The timer is timed according to a preset timing time. If the deactivation timer of the user equipment is in a pause state, the deactivation timer is continuously counted from the paused time according to a preset timing time;
- the deactivation timer is restarted, so that the deactivation timer is re-timed according to a preset timing time
- the activated secondary carrier is deactivated, and operations related to the activated secondary carrier are stopped, and the RF module is turned off.
- the processor is further configured to perform the following steps:
- the receiver After receiving the first deactivation command sent by the base station, the receiver deactivates the activated secondary carrier, stops performing operations related to the activated secondary carrier, and closes the RF module.
- program instructions are stored in the memory, and the program instructions can be executed by the processor, the transmitter, and the receiver.
- the transmitter is configured to send configuration information of the secondary carrier to the user equipment, so that the user equipment configures the secondary carrier according to the configuration information, where the secondary carrier is an unlicensed frequency band or a carrier resource in a shared frequency band, where the sharing The frequency band is a frequency band that is authorized for use by at least two operators; and the first activation command is sent to the user equipment, so that after the user equipment receives the first activation command, the configured secondary carrier is activated to obtain the activated secondary carrier.
- the transmitter is further configured to perform the following steps: Sending a second activation command and a second deactivation command to the user equipment, so that the user equipment determines an interval between receiving the second activation command and the second deactivation command as the activated secondary carrier. Available time.
- the transmitter is further configured to perform the following steps:
- the user equipment and the base station provided by the embodiment of the present invention first configure a secondary carrier in the unlicensed frequency band or the shared frequency band for the user equipment, and when the base station needs to use the configured secondary carrier for data transmission, first activate the secondary carrier configured by the user equipment. And the user equipment radio module is opened, and when the data transmission is performed by using the activated secondary carrier, the usage right control information of the activated secondary carrier is sent, so that the user equipment determines the available time of the activated secondary carrier according to the usage right control information. Thereby, the user equipment performs an operation related to the activated secondary carrier within the available time.
- the embodiment of the present invention can further utilize the secondary carrier in the unlicensed frequency band or the shared frequency band to implement data transmission, further satisfying the requirement of a certain mobile operator or a certain mobile technology for spectrum resources, and based on the activated secondary carrier.
- the user equipment performs the operation related to the activated secondary carrier only when the user has the right to use the activated secondary carrier, so that the user equipment can be fully utilized.
- the available time of activating the secondary carrier for data scheduling not only improves the carrier utilization efficiency, but also reduces the unnecessary energy consumption and resource consumption of the user equipment.
- the user equipment and the base station in the embodiment of the present invention are described above. The following describes the method for utilizing the carrier in the embodiment of the present invention. For related information, refer to the foregoing embodiments of the user equipment and the base station.
- FIG. 7 is a schematic flowchart of a method for utilizing a carrier according to an embodiment of the present invention. Methods include:
- Step 701 The user equipment receives the configuration information of the secondary carrier sent by the base station, and configures the secondary carrier according to the configuration information, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is authorized to A frequency band used by at least two operators.
- Step 702 After receiving the first activation command sent by the base station, the user equipment activates the configured secondary carrier to obtain an activated secondary carrier, and controls to open its own RF RF module.
- the secondary carrier may be identified as an unlicensed spectrum or a shared spectrum.
- the UE After receiving the first activation command, the UE detects whether the configured secondary carrier is identified as an unlicensed spectrum or The shared spectrum is used. If yes, the configured secondary carrier is activated to obtain the activated secondary carrier and the corresponding RF module is enabled to prepare for data transmission between the UE and the eNB through the activated secondary carrier.
- Step 703 The user equipment receives usage right control information of the activated secondary carrier sent by the base station, and determines an available time of the activated secondary carrier according to the usage right control information.
- step 503 can be implemented in one of the following three ways:
- Manner 1 The second activation command and the second deactivation command sent by the base station are received in succession; the interval between receiving the second activation command and the second deactivation command is determined as the available time of the activated secondary carrier.
- Manner 2 receiving a third activation command that is sent by the base station and carrying an activation time; determining the activation time as an available time of the activated secondary carrier.
- Manner 3 The receiving base station uses the activated secondary carrier to transmit the synchronization signal at the set frequency; and the period during which the synchronization signal can be received determines the available time of the activated secondary carrier.
- Step 704 The user equipment performs an operation related to the activated secondary carrier in the available time; the user equipment stops performing an operation related to the activated secondary carrier after reaching the available time.
- the operation related to the activated secondary carrier includes: a physical layer downlink control channel PDCCH detection related to the activated secondary carrier, and reporting of related information, and the receiving base station sends by using the activated secondary carrier.
- Downlink data where the related information includes one or more of a channel quality indicator CQI, a precoding matrix index number PMI, a rank indication RI, and a precoding type indication PTI;
- the method embodiment further includes: After receiving the usage right control information of the activated secondary carrier sent by the base station, if the deactivation timer of the active secondary carrier is in an inactive state, the deactivation timer is started, so that the deactivation timer is followed.
- the preset timing time is timed, and if the deactivation timer of the self is in the pause state, the deactivation timer is continuously counted from the paused time according to the preset timing time;
- the deactivation timer is restarted, so that the deactivation timer is re-timed according to a preset timing time
- the activated secondary carrier is deactivated, the operation associated with the activated secondary carrier is stopped, and the RF module is turned off.
- the method embodiment further includes:
- FIG. 8 is another schematic flowchart of a method for utilizing a carrier according to an embodiment of the present invention, where the method includes:
- Step 801 The base station sends the configuration information of the secondary carrier to the user equipment, so that the user equipment configures the secondary carrier according to the configuration information, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is an authorization. a frequency band used jointly by at least two operators;
- Step 802 The base station sends a first activation command to the user equipment, so that after receiving the first activation command, the user equipment activates the configured secondary carrier to obtain an activated secondary carrier, and controls to open its own RF RF module.
- Step 803 The base station sends the usage right control information of the activated secondary carrier to the user equipment, so that the user equipment determines the available time of the activated secondary carrier according to the usage right control information, and performs the The activating the secondary carrier related operation stops performing operations related to the activated secondary carrier after the available time is reached.
- step 603 can be implemented in one of the following three ways:
- Manner 1 The base station sends a second activation command and a second deactivation command to the user equipment. So that the user equipment determines the interval between receiving the second activation command and the second deactivation command as the available time of the activated secondary carrier.
- Manner 2 The base station sends a third activation command carrying the activation time to the user equipment, so that the user equipment determines the activation time as the available time of the activated secondary carrier.
- Manner 3 The base station sends a synchronization signal to the user equipment by using the activated secondary carrier at a set frequency, so that the time period during which the user equipment is to receive the synchronization signal determines an available time of the activated secondary carrier.
- the method embodiment further includes:
- the base station sends a first deactivation command to the user equipment, so that after receiving the first deactivation command, the user equipment deactivates the activated secondary carrier, and stops performing operations related to the activated secondary carrier. And shutting down the RF module.
- the carrier utilization method of the present invention will be described below in conjunction with a signaling interaction diagram.
- FIG. 9 is a signaling interaction diagram of a carrier utilization method according to an embodiment of the present invention, where the method includes:
- Step 901 The base station sends configuration information of the secondary carrier to the user equipment, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is a frequency band that is commonly used by at least two operators.
- the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band
- the shared frequency band is a frequency band that is commonly used by at least two operators.
- Step 902 The user equipment configures the secondary carrier according to the configuration information.
- Step 903 The base station sends a first activation command to the user equipment.
- Step 904 After receiving the first activation command sent by the base station, the user equipment activates the configured secondary carrier to obtain an activated secondary carrier, and controls to open its own RF RF module.
- Step 905 The base station sends the usage right control information of the activated secondary carrier to the user equipment.
- Step 906 The user equipment determines, according to the usage right control information, an available time of the activated secondary carrier, performs an operation related to the activated secondary carrier in the available time, and stops performing the operation after reaching the available time. The operation of activating a secondary carrier is described.
- the operation related to the activating the secondary carrier includes: a physical layer downlink control channel PDCCH detection related to the activated secondary carrier, and reporting of related information, and the receiving base station utilizing the activation
- the foregoing carrier utilization method may be implemented based on different usage rights control information, which are respectively described below:
- the rights control information includes a first activation command and a first deactivation command.
- FIG. 10 another signaling interaction diagram of the carrier utilization method according to the embodiment of the present invention includes:
- Step 1001 The base station sends the configuration information of the secondary carrier to the user equipment, where the secondary carrier is a carrier resource in the unlicensed frequency band or the shared frequency band, and the shared frequency band is a frequency band that is authorized to be commonly used by at least two operators.
- the secondary carrier is a carrier resource in the unlicensed frequency band or the shared frequency band
- the shared frequency band is a frequency band that is authorized to be commonly used by at least two operators.
- Step 1002 The user equipment configures the secondary carrier according to the configuration information.
- Step 1003 The base station sends a first activation command to the user equipment.
- Step 1004 The user equipment activates the configured secondary carrier to obtain an activated secondary carrier, and controls to open its own RF RF module.
- Step 1005 The base station sends a second activation command to the user equipment when the base station has the right to use the activated secondary carrier or has the right to use the activated secondary carrier.
- Step 1006 After receiving the second activation command sent by the base station, the user equipment performs PDCCH detection and related information reporting related to the activated secondary carrier.
- Step 1007 After receiving the second activation command sent by the base station, the user equipment receives the downlink data sent by the base station by using the activated secondary carrier.
- Step 1008 The base station sends a second deactivation command to the user equipment before the base station loses the right to use the activated secondary carrier or before the usage right of the activated secondary carrier is lost.
- Step 1009 After receiving the second deactivation command sent by the base station, the user equipment stops performing PDCCH detection and related information reporting related to the activated secondary carrier.
- the embodiment of the present invention can also control the user equipment by determining whether the deactivation timer of the user equipment side times out, as follows:
- the user equipment receives the downlink data sent by the base station multiple times. When the user equipment receives the downlink data, it restarts the deactivation timer. If the deactivation timer does not expire, the user equipment After receiving the second deactivation command sent by the base station, the deactivation is suspended. a live timer; before the user equipment receives the second deactivation command sent by the base station, if the deactivation timer expires, deactivate the activated secondary carrier, and stop performing PDCCH detection related to the activated secondary carrier. And reporting related information, and closing the RF module.
- the privilege control information is a third activation command that carries an activation time.
- FIG. 1 1 another signaling interaction diagram of the carrier utilization method according to the embodiment of the present invention includes:
- Step 1101 The base station sends configuration information of the secondary carrier to the user equipment, where the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is a frequency band that is authorized to be commonly used by at least two operators.
- the secondary carrier is a carrier resource in an unlicensed frequency band or a shared frequency band
- the shared frequency band is a frequency band that is authorized to be commonly used by at least two operators.
- Step 1102 The user equipment configures the secondary carrier according to the configuration information.
- Step 1103 The base station sends a first activation command to the user equipment.
- Step 1104 The user equipment activates the configured secondary carrier to obtain an activated secondary carrier, and controls to open its own RF RF module.
- Step 11 05 Before the base station has the right to use the activated secondary carrier or has the right to use the activated secondary carrier, the base station sends a third activation command carrying the activation time to the user equipment.
- Step 1106 After receiving the third activation command, the user equipment performs PDCCH detection and related information reporting related to the activated secondary carrier during the activation time.
- Step 1107 During the activation time, the user equipment receives downlink data sent by the base station by using the activated secondary carrier.
- Step 1108 After the activation time is reached, the user equipment stops performing PDCCH detection and related information reporting related to the activated secondary carrier wave.
- the embodiment of the present invention can also control the user equipment by determining whether the deactivation timer of the user equipment side times out, as follows:
- step 1107 the user equipment receives the downlink data sent by the base station multiple times, and restarts the deactivation timer each time the downlink data is received; if the deactivation timer does not time out, then the activation is reached. After the time, the deactivation timer is suspended; before the activation time is reached, if the activation timer expires, the user equipment deactivates the activated secondary carrier and stops performing the activation of the secondary carrier. The PDCCH detection and related information are reported, and the RF module is turned off.
- the authority control information is a synchronization signal, as shown in FIG. 12,
- Another signaling interaction diagram of the carrier utilization method provided by the embodiment includes: Step 1201: The base station sends configuration information of the secondary carrier to the user equipment, where the secondary carrier is an unlicensed frequency band or a carrier resource in the shared frequency band.
- the shared frequency band is a frequency band licensed to at least two operators for common use.
- Step 1202 The user equipment configures the secondary carrier according to the configuration information.
- Step 1203 The base station sends a first activation command to the user equipment.
- Step 1204 The user equipment activates the configured secondary carrier to obtain an activated secondary carrier, and controls to open its own RF RF module.
- Step 1205 When the base station has the right to use the activated secondary carrier, the base station uses the activated secondary carrier to send a synchronization signal to the user equipment at a set frequency.
- Step 1206 The user equipment performs PDCCH detection and related information reporting related to the activated secondary carrier during the period in which the synchronization signal can be received.
- Step 1207 The user equipment receives the downlink data sent by the base station by using the activated secondary carrier during the period in which the synchronization signal can be received.
- Step 1208 After receiving the synchronization signal, the user equipment stops performing PDCCH detection and related information reporting related to the activated secondary carrier.
- the embodiment of the present invention can also control the user equipment by determining whether the deactivation timer of the user equipment side times out, as follows:
- Step 1207 The user equipment receives the downlink data sent by the base station multiple times, and restarts the deactivation timer each time the downlink data is received. If the deactivation timer does not expire, the user equipment does not receive the When the signal is synchronized, the deactivation timer is suspended; during the period in which the synchronization signal can be received, if the activation timer expires, the user equipment deactivates the activation secondary carrier and stops performing the activation. The secondary carrier related PDCCH detection and related information are reported, and the RF module is closed.
- the carrier utilization method provided by the embodiment of the present invention first configures a secondary carrier in an unlicensed frequency band or a shared frequency band for a user equipment.
- the base station needs to use the configured secondary carrier for data transmission, first activate the secondary carrier configured by the user equipment.
- the user equipment radio module is turned on, and when the data transmission is performed by using the activated secondary carrier, the usage right control information of the activated secondary carrier is sent, so that the user equipment determines the available time of the activated secondary carrier according to the usage right control information, thereby Make the user set The operation associated with the activated secondary carrier is performed within the available time.
- the embodiment of the present invention can further utilize the secondary carrier in the unlicensed frequency band or the shared frequency band to implement data transmission, further satisfying the requirement of a certain mobile operator or a certain mobile technology for spectrum resources, and based on the activated secondary carrier.
- the user equipment performs the operation related to the activated secondary carrier only when the user has the right to use the activated secondary carrier, so that the user equipment can be fully utilized.
- the available time of activating the secondary carrier for data scheduling not only improves the carrier utilization efficiency, but also reduces the unnecessary energy consumption and resource consumption of the user equipment. It can be clearly understood by those skilled in the art that for the convenience and cleanness of the description, only the division of each functional module described above is exemplified.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the modules or sub-modules is only a logical function division.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or module, and may be in an electrical, mechanical or other form.
- the modules described as separate components may or may not be physically separate.
- the components displayed as modules may or may not be physical modules, that is, may be located in one place, or may be distributed to multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
- each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist physically separately, or two or more modules may be integrated into one module.
- the above integrated modules can be implemented in the form of hardware or in the form of software function modules.
- the integrated module is implemented in the form of a software functional module and sold as a standalone product Or when used, it can be stored in a computer readable storage medium.
- the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (proces sor) to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a USB flash drive, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. medium.
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Priority Applications (5)
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JP2016557967A JP6316451B2 (ja) | 2014-03-19 | 2014-03-19 | ユーザイクイップメント、基地局及びキャリア利用方法 |
EP14886651.0A EP3110193B1 (en) | 2014-03-19 | 2014-03-19 | User equipment, system and methods for determining the available time of a secondary component carrier |
CN201480000489.0A CN105165048B (zh) | 2014-03-19 | 2014-03-19 | 一种用户设备、基站及载波利用方法 |
PCT/CN2014/073693 WO2015139229A1 (zh) | 2014-03-19 | 2014-03-19 | 一种用户设备、基站及载波利用方法 |
US15/265,034 US10034177B2 (en) | 2014-03-19 | 2016-09-14 | User equipment, base station, and carrier using method |
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PCT/CN2014/073693 WO2015139229A1 (zh) | 2014-03-19 | 2014-03-19 | 一种用户设备、基站及载波利用方法 |
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EP (1) | EP3110193B1 (zh) |
JP (1) | JP6316451B2 (zh) |
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KR102071393B1 (ko) | 2017-09-06 | 2020-03-02 | 엘지전자 주식회사 | 무선 통신에서의 자원 관리 |
CN111294894B (zh) * | 2019-01-11 | 2021-05-25 | 北京紫光展锐通信技术有限公司 | 用户终端及其控制方法、计算机可读存储介质 |
US11985597B2 (en) * | 2021-08-05 | 2024-05-14 | Qualcomm Incorporated | Techniques for aperiodic discontinuous reception mode communications |
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- 2014-03-19 EP EP14886651.0A patent/EP3110193B1/en active Active
- 2014-03-19 WO PCT/CN2014/073693 patent/WO2015139229A1/zh active Application Filing
- 2014-03-19 CN CN201480000489.0A patent/CN105165048B/zh active Active
- 2014-03-19 JP JP2016557967A patent/JP6316451B2/ja active Active
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JP6316451B2 (ja) | 2018-04-25 |
US10034177B2 (en) | 2018-07-24 |
EP3110193A4 (en) | 2017-05-17 |
US20170006476A1 (en) | 2017-01-05 |
JP2017513353A (ja) | 2017-05-25 |
EP3110193B1 (en) | 2022-05-11 |
CN105165048A (zh) | 2015-12-16 |
CN105165048B (zh) | 2019-09-03 |
EP3110193A1 (en) | 2016-12-28 |
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