WO2015017997A1 - 辅小区的配置方法、装置及主机 - Google Patents
辅小区的配置方法、装置及主机 Download PDFInfo
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- WO2015017997A1 WO2015017997A1 PCT/CN2013/080969 CN2013080969W WO2015017997A1 WO 2015017997 A1 WO2015017997 A1 WO 2015017997A1 CN 2013080969 W CN2013080969 W CN 2013080969W WO 2015017997 A1 WO2015017997 A1 WO 2015017997A1
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- Prior art keywords
- secondary cell
- base station
- message
- cell configuration
- information
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000004913 activation Effects 0.000 claims abstract description 23
- 230000009849 deactivation Effects 0.000 claims abstract description 16
- 230000020411 cell activation Effects 0.000 claims description 34
- 238000012790 confirmation Methods 0.000 claims description 23
- 230000003213 activating effect Effects 0.000 claims description 12
- 238000013519 translation Methods 0.000 claims description 7
- 238000009482 thermal adhesion granulation Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 230000011664 signaling Effects 0.000 description 7
- 239000000969 carrier Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 206010011469 Crying Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011022 operating instruction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- 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
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method, a device, and a host for configuring a secondary cell. Background technique
- the network coverage area is composed of cells of different sizes and types, including macro cells and small cells.
- the coverage of the macro cell includes the coverage of multiple small cells, and the small cells are generally discretely arranged in the macro cell.
- macro cells mostly use low-band carriers, which are characterized by continuous coverage, thus forming seamless coverage between macro cells, but low-frequency resources are scarce.
- terminals such as smart phones, users have put forward higher requirements for wireless transmission rates.
- the base station that uses the high-band carrier to perform a certain small coverage is called a small base station (SeNB, Small eNB), and sometimes the small base station is called a secondary base station, that is, a secondary eNB, which may also be abbreviated as SeNB.
- the coverage of small base stations is generally referred to as small cells. Although the coverage of high-band carriers is small, resources are relatively abundant.
- the enhancement of the small cell network has become a subject of research.
- the main idea of the small cell enhancement is that the user equipment (UE, User Equipment) can simultaneously aggregate the carriers from the macro cell and the small cell to obtain more available radio resources, thereby increasing the rate of data transmission.
- UE User Equipment
- a macro base station (MeNB, macro eNB) is used as a main control station, and is responsible for mobility management of user equipment, traffic distribution of data packets, and the like.
- the macro base station is sometimes referred to as the primary base station, that is, the Master eNB, and may also be abbreviated as MeNB.
- TA uplink timing advance
- all cells under the macro base station can be divided into one cell group, and the user equipment uses the same TA value when performing uplink data transmission on the cell group, so sometimes the group using the same TA is also used. It is called a TA group (TAG, Timing advanced Group).
- TAG Timing advanced Group
- the cell it controls can also be used as a TA group.
- the TA values corresponding to the TA groups are transmitted.
- SCell Secondary Cell
- the secondary cell number of a secondary cell configured by the macro base station is The secondary cell number (SCell index) of a secondary cell controlled by the small base station may be the same.
- SCell index secondary cell number of a secondary cell controlled by the small base station
- the user equipment receives an operation related to the secondary cell, it may be due to the secondary cells of the two base stations.
- the numbered conflict causes an erroneous operation. For example, when receiving a command to activate a secondary cell of a macro base station, a certain secondary cell of the small base station may be erroneously activated, or a secondary cell TAG of the macro base station may be received.
- the timing of a certain secondary cell TAG of the small base station may be erroneously adjusted.
- the UE will perform transmission using the wrong uplink timing, which not only causes the UE's own signal to be correctly received by the base station, but also may cause serious interference to the uplink transmission of other UEs.
- the present invention provides a method, a device, and a host for configuring a secondary cell to solve an error activation or timing adjustment when the user equipment performs operations such as activation or timing adjustment of the secondary cell, and the base station sends the relevant information. It is not necessary to carry the device identification of the base station every time in the message or signaling.
- a first aspect of the present application provides a method for configuring a secondary cell, including:
- the secondary cell configuration message includes a secondary cell number configured by the first base station for the secondary cell, and the secondary cell is a base station other than the first base station Community
- the secondary cell configuration information includes a secondary cell number configured by the first base station for the secondary cell, and the user equipment is configured according to the secondary cell number as a corresponding secondary cell And the secondary cell number is used for the activation or deactivation of the secondary cell; receiving the secondary cell configuration completion message fed back by the user equipment, or receiving the secondary cell configuration completion information sent by the first base station, to determine the location The configuration of the secondary cell is completed;
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is received by the first base station by the user equipment.
- the secondary cell configuration is completed after the message is generated.
- the method further includes:
- the secondary cell configuration message further includes a group number of a timing advance group to which the secondary cell configured by the first base station is configured as the secondary cell;
- the secondary cell configuration information further includes a group number of a timing advance group to which the secondary cell configured by the first base station is configured by the secondary cell.
- the secondary cell configuration message further includes: Receiving the secondary cell/secondary base station increase request message sent by the first base station, or the service offload request message, when receiving the secondary cell configuration message sent by the first base station;
- the secondary cell configuration message is included in the secondary cell/secondary base station addition request message or the service offload request message sent by the first base station.
- the method further includes:
- the secondary cell configuration confirmation message includes the secondary cell configuring the secondary cell number confirmation information
- the secondary cell configuration confirmation message includes a secondary cell number configured by the secondary cell.
- the secondary cell configuration request message further includes:
- the method further includes:
- the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- the method further includes:
- the uplink timing advance amount information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell, and a timing The number of the previous group.
- the secondary cell release indication message is sent to the first base station, where the secondary cell release indication message includes the information of the translated secondary cell.
- a second aspect of the present invention provides a method for configuring a secondary cell, including:
- the secondary cell configuration completion information is a secondary cell configuration completion message that is received by the user equipment, or the secondary cell configuration completion information is generated after receiving the secondary cell configuration completion message fed back by the user equipment.
- the method further includes:
- the method further includes:
- the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- the method further includes:
- the uplink timing advance information includes The timing advance amount for adjusting the uplink timing advance amount of the secondary cell and the number of the timing advance group to which the secondary cell belongs.
- the related information of the translated secondary cell included in the secondary cell release indication message is released.
- a third aspect of the present application provides a configuration apparatus of a secondary cell, including:
- a secondary cell configuration message receiving unit configured to receive a secondary cell configuration message sent by the first base station, where the secondary cell configuration message includes a secondary cell number configured by the first base station for the secondary cell, where the secondary cell is first a cell of another base station other than the base station;
- a secondary cell configuration information sending unit configured to send a secondary cell configuration information to the user equipment, where the secondary cell configuration information includes a secondary cell number configured by the first base station for the secondary cell, where the user equipment is configured according to the The secondary cell number is configured for the corresponding secondary cell, and the secondary cell number is used for activation or deactivation of the secondary cell;
- a feedback receiving unit configured to receive a secondary cell configuration completion message fed back by the user equipment, or receive a secondary cell configuration completion information sent by the first base station, to determine that the configuration of the secondary cell is completed;
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is received by the first base station by the user equipment.
- the secondary cell configuration is completed after the message is generated.
- the secondary cell configuration message further includes a group number of a timing advance group to which the secondary cell configured by the first base station is configured as the secondary cell;
- the secondary cell configuration information further includes a group number of a timing advance group to which the secondary cell configured by the first base station is configured by the secondary cell.
- a service request message sending unit configured to: when the secondary cell configuration message receiving unit receives the secondary cell configuration message sent by the first base station, receive the secondary cell/secondary base station increase request message sent by the first base station, or , service offload request message;
- the secondary cell configuration message received by the secondary cell configuration message receiving unit is included in the secondary cell/secondary base station addition request message sent by the service request message sending unit, or in the service offload request message.
- a message confirming unit configured to send a secondary cell configuration acknowledgement message to the first base station;
- the secondary cell configuration acknowledgement message includes the secondary cell configuring the secondary cell number confirmation information;
- the secondary cell configuration confirmation message includes a secondary cell number configured by the secondary cell.
- the secondary cell configuration request message further includes:
- an activation message sending unit configured to send, to the user equipment, secondary cell activation information, where the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- the uplink timing advance information transmitting unit is configured to send uplink timing advance information to the user equipment, where the uplink timing advance information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell and a timing of the secondary cell The number of the group in advance.
- a message sending unit configured to send a secondary cell release indication message to the first base station when the decision is made to release the secondary cell or after the secondary cell is released, where the secondary cell release indication message includes The information of the secondary cell that is released.
- a fourth aspect of the present invention provides a configuration apparatus of a secondary cell, including:
- a secondary cell configuration request message receiving unit configured to receive a secondary cell configuration request message sent by the second base station, where the secondary cell configuration request message is used to request to allocate a secondary cell number to the secondary cell, where the secondary cell is a cell of the second base station ;
- a secondary cell configuration message sending unit configured to send a secondary cell configuration message to the second base station, where the secondary cell configuration message includes a secondary cell number configured for the secondary cell;
- a secondary cell configuration completion message receiving unit configured to receive a secondary cell configuration completion message fed back by the user equipment
- a feedback sending unit configured to send the secondary cell configuration completion information to the second base station, where the secondary cell configuration completion information is a secondary cell configuration complete message fed back by the user equipment, or the secondary cell
- the configuration completion information is received by the user equipment and fed back by the user equipment. Generated after the configuration completion message.
- a request message sending unit configured to send, to the second base station, a secondary cell/secondary base station increase request message, or a service offload request message.
- the method further includes: a secondary cell activation information sending unit, configured to send the secondary cell activation information to the user equipment, where the secondary area activation information includes The instruction information of the secondary cell is activated and/or deactivated.
- the method further includes:
- the uplink timing advance information transmitting unit is configured to send uplink timing advance information to the user equipment, where the uplink timing advance information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell and a timing of the secondary cell The number of the group in advance.
- the fourth aspect or the first possible implementation manner of the fourth aspect, or the second possible implementation manner of the fourth aspect, or the third possible implementation manner of the fourth aspect, in the fourth aspect Among the four possible implementations, it also includes:
- the decoding unit is configured to: after receiving the secondary cell release indication message, release the related information of the translated secondary cell included in the secondary cell translation indication message.
- a host of the fifth aspect of the present invention includes: a processor, a communication interface, a memory, and a bus; wherein the processor, the communication interface, and the memory complete communication with each other through the bus;
- the communication interface is configured to receive a secondary cell configuration message sent by the first base station, where the secondary cell configuration message includes a secondary cell number configured by the first base station for the secondary cell, and the secondary cell is a first base station a cell of another base station;
- the processor is configured to execute a program
- the memory is configured to store a program
- the program is used to:
- the secondary cell configuration information includes the secondary cell number configured by the first base station for the secondary cell, and the user equipment is configured according to the secondary cell number
- the corresponding secondary cell is configured with the number, the secondary cell number is used for activation or deactivation of the secondary cell, and the secondary cell configuration completion message fed back by the user equipment is received, or the secondary cell configured by the first base station is configured to be completed.
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is received by the first base station by the user equipment.
- the secondary cell configuration is completed after the message is generated.
- a host of the sixth aspect of the present invention includes: a processor, a communication interface, a memory, and a bus; wherein the processor, the communication interface, and the memory complete communication with each other through the bus;
- the communication interface is configured to receive a secondary cell configuration request message sent by the second base station, where the secondary cell configuration request message is used to request to allocate a secondary cell number to the secondary cell, where the secondary cell is a cell of the second base station;
- the processor is configured to execute a program
- the memory is configured to store a program
- the program is used to:
- the secondary cell configuration completion information is a secondary cell configuration completion message that is received by the user equipment, or the secondary cell configuration completion information is generated after receiving the secondary cell configuration completion message fed back by the user equipment.
- An embodiment of the present invention provides a method for configuring a secondary cell, where a macro base station allocates a secondary cell number, where the secondary cell number is used by the user equipment to configure the number for the secondary cell, and after the user equipment is configured with the secondary cell number, the user equipment After the cell configuration completion message is received, the secondary cell configuration is completed after receiving the feedback secondary cell configuration completion message or receiving the secondary cell configuration completion message sent by the macro base station. After the secondary cell configuration is completed, the macro base station or the small base station does not have to carry the base station in the related message or signaling each time when the relevant operation instruction is issued to perform related operations such as activation or deactivation, or timing advance adjustment message. The device identifier, therefore, can reduce d, the amount of load information of the message.
- FIG. 1 is a schematic flowchart of a method for configuring a secondary cell according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of another method for configuring a secondary cell according to an embodiment of the present invention
- FIG. 4 is a schematic flowchart of another method for configuring a secondary cell according to an embodiment of the present invention
- FIG. 4 is another schematic flowchart of a method for configuring a secondary cell according to an embodiment of the present disclosure
- FIG. 6 is a schematic diagram of signaling of a secondary cell configuration method according to an embodiment of the present invention
- FIG. 7 is a schematic structural diagram of a secondary cell configuration apparatus according to an embodiment of the present invention
- FIG. 1 is a schematic flowchart of a method for configuring a secondary cell according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of another method for configuring a secondary cell according to an embodiment of the present invention
- FIG. 4 is a schematic flowchart of another method for configuring a
- FIG. 9 is another schematic structural diagram of a secondary cell configuration apparatus according to an embodiment of the present invention.
- FIG. 10 is another schematic structural diagram of a secondary cell configuration apparatus according to an embodiment of the present invention.
- FIG. 11 is another schematic structural diagram of a device for configuring a secondary cell according to an embodiment of the present invention;
- FIG. 13 is a schematic structural diagram of a host 400 according to an embodiment of the present invention. detailed description
- Macro base station MeNB, macro eNB;
- MeNB Master eNB
- Secondary base station SeNB, secondary eNB;
- Small base station SeNB, Small eNB
- Timing advance group TA group, TAG, Timing advanced Group
- TA timing advance
- SCell Secondary cell
- the macro base station is used as the primary base station
- the small base station is used as the secondary base station as an example.
- the first base station in the following embodiments of the present invention may be a macro base station
- the second base station may be a small base station.
- the macro base station can also serve as the secondary base station
- the small base station can also serve as the primary base station.
- FIG. 1 is a schematic flowchart of a method for configuring a secondary cell according to an embodiment of the present invention, where the method includes:
- Step 110 Receive a secondary cell configuration message sent by the first base station.
- the secondary cell configuration message may include a secondary cell number configured by the first base station for the secondary cell, where the secondary cell is a cell of another base station other than the first base station, such as a cell of the second base station.
- Step 120 Send secondary cell configuration information to the user equipment.
- the secondary cell configuration information includes the secondary cell number configured by the first base station as the secondary cell, and the user equipment configures the number according to the secondary cell number as the secondary cell, and the secondary cell number is used for activation or deactivation of the secondary cell.
- Step 130 Receive a secondary cell configuration completion message fed back by the user equipment, or receive the secondary cell configuration completion information sent by the first base station, to determine that the configuration of the secondary cell is complete.
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is generated by the first base station after receiving the secondary cell configuration completion message fed back by the user equipment.
- An embodiment of the present invention provides a method for configuring a secondary cell, where the first base station allocates a secondary cell number, where the secondary cell number is used by the user equipment to configure the number for the secondary cell, and the user equipment adds feedback after the secondary cell number is configured.
- the secondary cell configuration completion message is complete after the secondary cell configuration completion message is received or the secondary cell configuration complete message sent by the first base station is received.
- the first base station or the second base station sends relevant operation instructions to perform related operations such as activation or deactivation, or timing advance adjustment messages, and does not have to be in the related message or signaling every time.
- the device identifier of the base station is to be carried, so the amount of load information of the d and the message can be reduced.
- FIG. 2 is a schematic flowchart of a method for configuring a secondary cell according to an embodiment of the present invention, where the method includes:
- Step 100 When preparing or reconfiguring one or more secondary cells for the user equipment, or when receiving the secondary cell/secondary base station addition request message sent by the first base station, or receiving the first base station sending When the service offloads the request message,
- the first base station may be the first base station, and the secondary cell configuration request message may include: a secondary cell number that is expected to be used, or a number of a timing advance group to which the secondary cell that is desired to be used belongs.
- Step 110 Receive a secondary cell configuration message sent by the first base station.
- the secondary cell configuration message includes a secondary cell number configured by the first base station as a secondary cell, and the secondary cell is a cell of another base station other than the first base station.
- the secondary cell number may be a secondary cell number that is expected to be used in the secondary cell configuration request message received by the first base station, or may be an unallocated secondary cell number selected by the first base station.
- the secondary cell/secondary base station increase request message sent by the first base station, or the service offload request message may be simultaneously received; or the secondary cell configuration message is included in The secondary cell/secondary base station addition request message sent by the first base station, or the service offload request message.
- the method further includes: sending a secondary cell configuration confirmation message to the first base station; the secondary cell configuration confirmation message includes the secondary cell configuration secondary cell number The acknowledgment information; or the secondary cell configuration confirmation message includes the secondary cell number configured by the secondary cell.
- Step 120 Send secondary cell configuration information to the user equipment.
- the secondary cell configuration information includes the secondary cell number configured by the first base station as the secondary cell, and the user equipment configures the number according to the secondary cell number as the secondary cell, and the secondary cell number is used for activation or deactivation of the secondary cell.
- the secondary cell configuration message may further include a group number of the timing advance group to which the secondary cell configured by the secondary cell is configured by the secondary cell, and correspondingly, the secondary cell configuration information further includes the first base station The group number of the timing advance group to which the secondary cell configured by the cell belongs.
- the group number of the timing advance group to which the secondary cell belongs is a part of the uplink timing advance information, and the uplink timing advance information may further include a timing advance amount for adjusting the uplink timing advance of the secondary cell.
- the uplink timing advance information is used by the user equipment to adjust the uplink timing. Since the uplink timing of the user equipment changes with the movement, if not adjusted, the base station cannot correctly receive the signal sent by the user equipment.
- the secondary cell number of a secondary cell configured by a base station may be the same as the secondary cell number of a secondary cell controlled by the second base station.
- the erroneous operation may be caused by the conflict of the secondary cell numbers of the two base stations, for example, when receiving a command to activate a certain secondary cell of the first base station, a certain secondary cell of the second base station may be erroneously activated.
- the timing of a certain secondary cell TAG of the second base station may be erroneously adjusted. Then, in order to avoid such a different secondary cell but the secondary cell number is the same, it is necessary to limit related messages, such as an RRC reconfiguration message, and the RRC reconfiguration message can only be sent at the corresponding site, but not across the site. The transmission is performed, so that even if the secondary cell numbers of the two different secondary cells are the same, it is also possible to determine on the user equipment side how to perform configuration or activation operations on which secondary cell. Further, the secondary cell configuration message may further include an RRC reconfiguration message, and after receiving the RRC reconfiguration message, the user equipment configures the secondary cell number for the corresponding secondary cell.
- Step 130 Receive a secondary cell configuration completion message fed back by the user equipment, or receive the secondary cell configuration completion information sent by the first base station, to determine that the configuration of the secondary cell is complete.
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is generated by the first base station after receiving the secondary cell configuration completion message fed back by the user equipment.
- the user equipment sends a secondary cell configuration complete message to the first base station or the second base station. Specifically, if the user equipment receives the secondary cell configuration information from the first base station, the user equipment sends a secondary cell configuration complete message to the first base station, and then the secondary cell configuration complete message sends an indication message to the second base station to notify the second base station. The user equipment has completed the configuration of the secondary cell. Or if the user equipment is from the second base station After receiving the secondary cell configuration information, the user equipment sends a secondary cell configuration complete message to the second base station to notify the second base station that the user equipment has completed the configuration of the secondary cell.
- the user equipment may also send the secondary cell configuration complete message to the first base station or the second base station regardless of whether the secondary cell configuration information is received from the first base station or the second base station. That is to say, how the user equipment feeds back the secondary cell configuration completion message does not impose specific restrictions.
- FIG. 3 is a schematic flowchart of a method for configuring a secondary cell according to an embodiment of the present invention, where the method includes:
- Step 110 Receive a secondary cell configuration message sent by the first base station.
- the secondary cell configuration message includes a secondary cell number configured by the first base station as a secondary cell, and the secondary cell is a cell of another base station other than the first base station;
- Step 120 Send secondary cell configuration information to the user equipment.
- the secondary cell configuration information includes the secondary cell number configured by the first base station as the secondary cell, and the user equipment configures the number according to the secondary cell number as the secondary cell, and the secondary cell number is used for activation or deactivation of the secondary cell.
- Step 130 Receive a secondary cell configuration completion message fed back by the user equipment, or receive the secondary cell configuration completion information sent by the first base station, to determine that the configuration of the secondary cell is complete.
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is generated by the first base station after receiving the secondary cell configuration completion message fed back by the user equipment.
- Step 140 Send secondary cell activation information to the user equipment.
- the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- the secondary cell activation information is used to enable the user equipment to actually start working on the cell, that is, the user equipment starts to listen to the physical downlink control channel of the secondary cell, and decodes the physical downlink shared channel according to the physical downlink control channel.
- the base station when the base station needs to activate a secondary cell for the user equipment, the base station sends instruction information for activating and/or deactivating the secondary cell to the secondary cell, and the format of the instruction information for activating and/or deactivating the secondary cell is as follows: c 7 c 6 c 5 c 4 c 3 c 2 Ci R where C1-C7 represents 7 secondary cells, and if the corresponding bit position is 1, it indicates that the secondary cell should be activated, and if it is 0, it indicates that the secondary The cell should be deactivated. After the secondary cell is activated, the user equipment can perform data transmission on the secondary cell.
- the instruction to activate/deactivate the secondary cell may be sent by the first base station or by the second base station. Specifically, it may be sent to the user equipment by using the cell of the first base station, or may be sent to the user equipment by the cell of the second base station.
- Step 150 Send uplink timing advance information to the user equipment, where the uplink timing advance information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell and a timing advance group number to which the secondary cell belongs.
- the base station During the process of the user equipment moving, the base station often sends an uplink timing advance information to the user equipment to update the TA value of the user equipment on the secondary cell or the TAG to which the secondary cell belongs.
- the format of the uplink timing advance information is as follows.
- the TAG id indicates the number of the timing advance group to which the secondary cell that the base station requests to perform the TA update, and the Timing Advance Command indicates that the uplink transmission needs to be adjusted when performing the uplink transmission on the secondary cell of the TAG. TA value.
- TAG Id Timing Advance Command Step 160 After deciding to release the secondary cell or after releasing the secondary cell, send a secondary cell release indication message to the first base station, where the secondary cell release indication message includes information of the translated secondary cell.
- the second base station When the second base station decides to release a certain secondary cell for the first base station, the second base station sends a secondary cell release indication message to the first base station to notify the secondary base station that the first base station is released, and then the first base station can The SCell index that has been allocated to the secondary cell is allocated to other secondary cells.
- the first base station may allocate the TAG index to other TAGs.
- the TAG translation indication message may be directly sent.
- a schematic flowchart of a method for configuring a secondary cell includes: Step 210: Receive a secondary cell configuration request message sent by the second base station.
- the secondary cell configuration request message is used to request to allocate a secondary cell number to the secondary cell, and the secondary cell is a cell of the second base station.
- the second base station can be a second base station.
- Step 220 Send a secondary cell configuration message to the second base station.
- the secondary cell configuration message includes a secondary cell number configured for the secondary cell.
- Step 230 Receive a secondary cell configuration complete message fed back by the user equipment.
- Step 240 Send secondary cell configuration completion information to the second base station.
- the secondary cell configuration completion information is a secondary cell configuration completion message that is received by the user equipment, or the secondary cell configuration completion information is generated after receiving the secondary cell configuration completion message fed back by the user equipment.
- FIG. 5 a schematic flowchart of a secondary cell configuration method is disclosed in the embodiment of the present invention, where the method includes:
- Step 200 Send a secondary cell/secondary base station addition request message or a service offload request message to the second base station.
- the second base station can be a second base station.
- Step 210 Receive a secondary cell configuration request message sent by the second base station.
- the secondary cell configuration request message is used to request to allocate a secondary cell number to the secondary cell, and the secondary cell is a cell of the second base station.
- Step 220 Send a secondary cell configuration message to the second base station.
- the secondary cell configuration message includes a secondary cell number configured for the secondary cell.
- Step 230 Receive a secondary cell configuration complete message fed back by the user equipment.
- Step 240 Send secondary cell configuration completion information to the second base station.
- the secondary cell configuration completion information is a secondary cell configuration completion message that is received by the user equipment, or the secondary cell configuration completion information is generated after receiving the secondary cell configuration completion message fed back by the user equipment.
- Step 250 Send secondary cell activation information to the user equipment.
- the secondary cell activation information includes command information to activate and/or deactivate the secondary cell.
- Step 260 Send uplink timing advance information to the user equipment.
- the uplink timing advance information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell, and a secondary d, a number of the timing advance group to which the region belongs.
- Step 270 After receiving the secondary cell release indication message, the related information of the translated secondary cell included in the secondary cell release indication message is decoded.
- FIG. 6 is a schematic diagram illustrating the implementation of the present invention. The embodiment of the present invention is described by using a signaling diagram, and the method includes:
- Step 1 The first base station sends a secondary cell configuration message to the second base station.
- the second base station Before the step, when the second base station is ready to configure or reconfigure one or more secondary cells for the user equipment; or, the first base station sends a secondary cell/secondary base station increase request message to the second base station, and the second base station receives the first When the secondary cell/secondary base station sends a request message by the base station; or, the first base station sends a service offload request message to the second base station, and when the second base station receives the service offload request message sent by the first base station, the second base station goes to the second base station
- a base station sends a secondary cell configuration request message, and the secondary cell configuration request message may include a secondary cell number that is expected to be used, or a number of a timing advance group to which the secondary cell that is desired to be used belongs.
- the secondary cell configuration request message is used to request the first base station to allocate the secondary cell number or the number of the timing advance group to which the secondary cell belongs.
- the first base station After receiving the secondary cell configuration request message fed back by the second base station, the first base station sends a secondary cell configuration message to the second base station, where the secondary cell configuration message may include the SCell index configured by the first base station as the secondary cell.
- the message may include a group number of the timing advance group to which the secondary cell configured by the secondary cell is configured by the secondary cell, or the secondary cell configuration message may include the secondary cell/in addition to the SCell index.
- the secondary base station adds a request message, or a service offload request message.
- Step 2 The second base station or the first base station sends the secondary cell configuration information to the user equipment.
- the secondary cell configuration information includes a secondary cell configuration message received by the second base station from the first base station. After the user equipment completes the configuration of the corresponding secondary cell according to the secondary cell configuration information, the user equipment sends a secondary cell configuration complete message to the first base station or the second base station. Specifically, if the user equipment receives the secondary cell configuration information from the first base station, the user equipment sends a secondary cell configuration complete message to the first base station, and then the secondary cell configuration complete message sends an indication message to the second base station to notify the second base station. The user equipment has completed the configuration of the secondary cell.
- the user equipment if the user equipment receives the secondary cell configuration information from the second base station, the user equipment Sending a secondary cell configuration complete message to the second base station to notify the second base station that the user equipment has completed the configuration of the secondary cell.
- the user equipment may also send the secondary cell configuration complete message to the first base station or the second base station regardless of whether the secondary cell configuration information is received from the first base station or the second base station. That is to say, how the user equipment feeds back the secondary cell configuration completion message does not impose specific restrictions.
- Step 3 The second base station or the first base station sends the secondary cell activation information to the user equipment.
- the secondary cell activation information includes command information for activating and/or deactivating the secondary cell. Further, the second base station or the first base station sends an SCell to the user equipment to activate and/or deactivate the MAC CE, and activates the configured SCell for the user equipment, after receiving the SCell activation/deactivation MAC CE, the user equipment according to the The MAC CE activates/deactivates the corresponding SCell.
- Step 4 The second base station or the first base station sends the uplink timing advance information to the user equipment.
- the uplink timing advance information is sent to the user equipment.
- the TA value of the SCell's TAG is adjusted.
- the uplink timing advance information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell and a number of the timing advance group to which the secondary cell belongs.
- Step 5 The second base station sends a secondary cell release indication message to the first base station.
- the second base station When deciding to release the secondary cell or after deciphering the secondary cell, the second base station sends a secondary cell release indication message to the first base station, and the secondary cell release indication message includes information of the translated secondary cell to notify the first base station.
- the secondary cell that is translated, and then the first base station can allocate the SCell index that has been allocated to the secondary cell to other secondary cells.
- the embodiment of the present invention provides a schematic structural diagram of a secondary cell configuration device, where the secondary cell configuration device includes:
- a secondary cell configuration message receiving unit U110 configured to receive a secondary cell configuration message sent by the first base station, where the secondary cell configuration message includes a secondary cell number configured by the first base station as the secondary cell, where the secondary cell is outside the first base station The cell of other base stations;
- the secondary cell configuration information sending unit U120 is configured to send the secondary cell configuration information to the user equipment, where the secondary cell configuration information includes the secondary cell number configured by the first base station as the secondary cell, and the user equipment is configured according to the secondary cell number.
- the corresponding secondary cell is configured with the number, and the secondary cell number is used for activation or deactivation of the secondary cell;
- the feedback receiving unit U130 is configured to receive the secondary cell configuration completion message fed back by the user equipment, or receive the secondary cell configuration completion information sent by the first base station, to determine that the configuration of the secondary cell is completed;
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is received by the first base station, and the secondary cell configuration completion message fed back by the user equipment is received by the first base station. After generation.
- the embodiment of the present invention provides a device for configuring a secondary cell, where the first base station allocates a secondary cell number, where the secondary cell number is used by the user equipment to configure the number for the secondary cell, and the user equipment is configured to complete the secondary cell number.
- the secondary cell configuration completion message is complete after the secondary cell configuration completion message is received or the secondary cell configuration complete message sent by the first base station is received.
- the first base station or the second base station sends relevant operation instructions to perform related operations such as activation or deactivation, or timing advance adjustment messages, and does not have to be in the related message or signaling every time.
- the device identifier of the base station is to be carried, so the amount of load information of the d and the message can be reduced.
- the secondary cell configuration apparatus further includes a secondary cell configuration request message sending unit U100, where the secondary cell configuration request message sending unit U100 is configured to:
- the foregoing secondary cell configuration message further includes a group number of the timing advance group to which the secondary cell configured by the first base station is configured by using the secondary cell;
- the secondary cell configuration information further includes a group number of a timing advance group to which the secondary cell configured by the first base station is the secondary cell.
- the service request message sending unit is configured to: when the secondary cell configuration message receiving unit receives the secondary cell configuration message sent by the first base station, simultaneously receive the secondary cell sent by the first base station/ The secondary base station adds a request message, or a service offload request message;
- the secondary cell configuration message received by the secondary cell configuration message receiving unit is included in the secondary cell/secondary base station addition request message or the service offload request message sent by the service request message sending unit.
- the secondary cell configuration apparatus further includes: a message confirming unit U140, configured to send a secondary cell configuration confirmation message to the first base station;
- the secondary cell configuration confirmation message includes the secondary cell configuration confirmation information of the secondary cell number; or the secondary cell configuration confirmation message includes the secondary cell number of the secondary cell configuration.
- the foregoing secondary cell configuration request message further includes:
- the secondary cell configuration apparatus further includes: an activation message sending unit U150, configured to send secondary cell activation information to the user equipment, where the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- an activation message sending unit U150 configured to send secondary cell activation information to the user equipment, where the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- the secondary cell configuration apparatus further includes: an uplink timing advance information transmitting unit U160, configured to send uplink timing advance information to the user equipment, where the uplink timing advance information includes adjusting an uplink timing advance of the secondary cell.
- the secondary cell configuration apparatus further includes: a decryption message sending unit U170, configured to send a secondary cell release indication message to the first base station after deciding to release the secondary cell, or after releasing the secondary cell, the secondary cell translation
- the indication message includes information of the secondary cell that is translated.
- a schematic structural diagram of a secondary cell configuration apparatus includes: a secondary cell configuration request message receiving unit U210, configured to receive a secondary cell configuration request message sent by a second base station, and the foregoing secondary cell configuration request message And configured to request to allocate a secondary cell number to the secondary cell, where the secondary cell is a cell of the second base station;
- a secondary cell configuration message sending unit U220 configured to send a secondary cell configuration message to the second base station, where the secondary cell configuration message includes a secondary cell number configured for the secondary cell;
- a secondary cell configuration completion message receiving unit configured to receive a secondary cell configuration completed by the user equipment Message
- the feedback sending unit U230 is configured to send the secondary cell configuration completion information to the second base station, where the secondary cell configuration completion information is a secondary cell configuration completion message that is received by the user equipment, or the secondary cell configuration completion information is After receiving the secondary cell configuration completion message fed back by the user equipment, the message is generated.
- the secondary cell configuration apparatus further includes:
- the request message sending unit U200 is configured to send a secondary cell/secondary base station addition request message or a service offload request message to the second base station.
- the secondary cell configuration device further includes:
- the secondary cell activation information sending unit U240 is configured to send the secondary cell activation information to the user equipment, where the secondary cell activation information includes command information for activating and/or deactivating the secondary cell.
- the secondary cell configuration device further includes:
- the uplink timing advance information transmitting unit U250 is configured to send uplink timing advance information to the user equipment, where the uplink timing advance information includes a timing advance amount for adjusting an uplink timing advance amount of the secondary cell and a timing advance of the secondary cell The number of the group.
- the secondary cell configuration device further includes:
- the decoding unit U260 is configured to: after receiving the secondary cell release indication message, release the related information of the released secondary cell included in the secondary cell release indication message.
- an embodiment of the present invention provides a schematic diagram of a host 300.
- the host 300 may be a host server including computing power, or a personal computer PC, or a portable portable computer or terminal, etc., and the specific embodiment of the present invention does not limit the specific implementation of the host.
- Host 300 includes:
- a processor 310 A processor 310, a communications interface 320, a memory 330, and a bus 340.
- the processor 310, the communication interface 320, and the memory 330 complete communication with each other via the bus 340.
- the communication interface 320 is configured to receive a secondary cell configuration message sent by the first base station, where the secondary cell configuration message includes a secondary cell number configured by the first base station for the secondary cell, and the secondary cell is a base station other than the first base station. Community.
- the processor 310 is configured to execute the program 332.
- program 332 can include program code, the program code including computer operating instructions.
- the processor 310 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.
- ASIC Application Specific Integrated Circuit
- the memory 330 is configured to store the program 332.
- Memory 330 may contain high speed RAM memory and may also include non-volatile memory, such as at least one disk storage crying port.
- Program 332 can be specifically used to:
- the secondary cell configuration information includes the secondary cell number configured by the first base station as the secondary cell, and the user equipment configures the number according to the secondary cell number as the corresponding secondary cell, where the secondary device
- the cell number is used for activation or deactivation of the secondary cell
- the secondary cell configuration completion information is that the first base station receives the secondary cell configuration completion message fed back by the user equipment, or the secondary cell configuration completion information is received by the first base station, and the secondary cell configuration completion message fed back by the user equipment is received by the first base station. After generation.
- an embodiment of the present invention provides a schematic diagram of a host 400.
- the host 400 may be a host server including computing power, or a personal computer PC, or a portable portable computer or terminal, etc., and the specific embodiment of the present invention does not limit the specific implementation of the host.
- the host 400 includes:
- a processor 410 A processor 410, a communications interface 420, a memory 430, and a bus 440.
- the processor 310, the communication interface 420, and the memory 430 complete communication with each other via the bus 440.
- the communication interface 420 is configured to receive a secondary cell configuration request message sent by the second base station, where the secondary cell configuration request message is used to request to allocate a secondary cell number to the secondary cell, where the secondary cell is a cell of the second base station.
- the processor 410 is configured to execute the program 432.
- program 432 can include program code, the program code including computer operating instructions.
- the processor 410 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.
- ASIC Application Specific Integrated Circuit
- the memory 430 is configured to store the program 432.
- Memory 430 may include high speed RAM memory and may also include non-volatile memory, such as at least one disk storage crying port.
- Program 432 can be specifically used to:
- the secondary cell configuration completion information is a secondary cell configuration completion message that is received by the user equipment, or the secondary cell configuration completion information is generated after receiving the secondary cell configuration completion message fed back by the user equipment.
- modules in the apparatus in the embodiment may be distributed in the apparatus of the embodiment according to the embodiment, or may be correspondingly changed in one or more apparatuses different from the embodiment.
- the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.
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Priority Applications (9)
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BR112016002553-9A BR112016002553B1 (pt) | 2013-08-07 | 2013-08-07 | Métodos e aparelhos para configurar célula secundária, e hospedeiros |
KR1020167005757A KR101781967B1 (ko) | 2013-08-07 | 2013-08-07 | 2차 셀을 구성하기 위한 방법, 장치, 및 호스트 |
EP13891329.8A EP3024293B1 (en) | 2013-08-07 | 2013-08-07 | Method, apparatus and host for configuring secondary cell |
PCT/CN2013/080969 WO2015017997A1 (zh) | 2013-08-07 | 2013-08-07 | 辅小区的配置方法、装置及主机 |
JP2016532177A JP6341519B2 (ja) | 2013-08-07 | 2013-08-07 | セカンダリセルを構成するための方法および装置、ならびにホスト |
CN201380000987.0A CN104770031B (zh) | 2013-08-07 | 2013-08-07 | 辅小区的配置方法、装置及主机 |
KR1020177026301A KR101887559B1 (ko) | 2013-08-07 | 2013-08-07 | 2차 셀을 구성하기 위한 방법, 장치, 및 호스트 |
EP18159473.0A EP3393164A1 (en) | 2013-08-07 | 2013-08-07 | Method and apparatus for configuring secondary cell, and host |
US15/017,387 US10595213B2 (en) | 2013-08-07 | 2016-02-05 | Method and apparatus for configuring secondary cell, and host |
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WO2019029692A1 (zh) * | 2017-08-10 | 2019-02-14 | 中兴通讯股份有限公司 | 辅小区的管理方法、装置及设备 |
WO2020029109A1 (zh) * | 2018-08-08 | 2020-02-13 | Oppo广东移动通信有限公司 | 一种信息配置方法及装置、终端、网络设备 |
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WO2024060151A1 (en) * | 2022-09-22 | 2024-03-28 | Apple Inc. | Multi-cell group connectivity realization model for secondary cell group (scg) switch |
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- 2013-08-07 CN CN201380000987.0A patent/CN104770031B/zh active Active
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- 2013-08-07 EP EP13891329.8A patent/EP3024293B1/en active Active
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Also Published As
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JP6341519B2 (ja) | 2018-06-13 |
JP2016527828A (ja) | 2016-09-08 |
BR112016002553A2 (pt) | 2017-08-01 |
KR101887559B1 (ko) | 2018-08-10 |
EP3024293A1 (en) | 2016-05-25 |
EP3024293A4 (en) | 2016-07-20 |
BR112016002553B1 (pt) | 2022-10-04 |
KR20160041970A (ko) | 2016-04-18 |
KR20170108180A (ko) | 2017-09-26 |
KR101781967B1 (ko) | 2017-09-26 |
US20160157110A1 (en) | 2016-06-02 |
CN104770031B (zh) | 2019-04-12 |
CN104770031A (zh) | 2015-07-08 |
EP3393164A1 (en) | 2018-10-24 |
US10595213B2 (en) | 2020-03-17 |
EP3024293B1 (en) | 2018-05-23 |
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