CN109391399B - Management method, device and equipment of secondary cell - Google Patents
Management method, device and equipment of secondary cell Download PDFInfo
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- CN109391399B CN109391399B CN201710681145.6A CN201710681145A CN109391399B CN 109391399 B CN109391399 B CN 109391399B CN 201710681145 A CN201710681145 A CN 201710681145A CN 109391399 B CN109391399 B CN 109391399B
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Abstract
The invention provides a method, a device and equipment for managing a secondary cell, wherein one of the method comprises the following steps: the user equipment executes the operation of managing the auxiliary cell to obtain an execution result; and the user equipment reports the execution result to the base station. The invention solves the technical problem that the auxiliary cell cannot be managed in the carrier aggregation scene of the cell after the beam is introduced in the related technology.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method, an apparatus, and a device for managing a secondary cell.
Background
In a 4G (4Generation, fourth Generation) or LTE (Long Term Evolution) mobile communication system in the related art, a Radio Access Network (RAN) includes an evolved Node B (eNB) and a User Equipment (UE), and one eNB may include multiple cells (cells). To provide higher data rates to mobile users, 4G systems have introduced Carrier Aggregation (CA) techniques. Carrier aggregation is the aggregation of two or more Component Carriers (CCs) to support a larger transmission bandwidth. A UE with carrier aggregation capability may simultaneously transceive data on multiple CCs. The CC initially accessed by the UE is a Primary Component Carrier (PCC), the PCC of the UE may also be changed by the base station through configuration, and other CCs are called Secondary Component Carriers (SCCs), and the SCCs are configured by the base station after the UE enters a connected state. A Serving Cell (Serving Cell) corresponding to the PCC is called a Primary Cell (PCell), and a Serving Cell (SCell) corresponding to the SCC is called a Secondary Cell (SCell). The base station allocates only one Cell Radio Network Temporary Identifier (C-RNTI) to each UE, that is, the C-RNTI of each serving Cell allocated by the UE is the same. Each serving cell allocated to a UE (user equipment) has a configured identity, called serving cell identity, the serving cell identity of the PCell is fixed to 0, and the serving cell identities of the scells are numbered sequentially from 1.
In the 5G system in the related art, both the base station and the UE make significant evolution. A 5G base station is called a gNB (Next Generation Node B), a gNB may include multiple cells, a cell may include multiple beams (Beam), and a diagram of cells and beams is shown in fig. 1, and fig. 1 is a diagram of cells and beams in the related art of the present invention. In the 5G system, a carrier aggregation technology is still used, and copy (Duplication) transmission is supported during carrier aggregation, at this time, one PDCP (Packet Data Convergence Protocol) entity corresponds to two or more RLC (Radio link control) entities, and each RLC entity transmits the same Data on different serving cells.
However, no effective solution has been found for carrier aggregation of cells after the introduction of a beam, especially for management of secondary cells.
Disclosure of Invention
The embodiment of the invention provides a method, a device and equipment for managing a secondary cell, which are used for at least solving the technical problem that the secondary cell cannot be managed in a carrier aggregation scene of a cell after a beam is introduced in the related art.
According to an embodiment of the present invention, a method for managing a secondary cell is provided, including: the user equipment executes the operation of managing the auxiliary cell to obtain an execution result; and the user equipment reports the execution result to a base station.
According to an embodiment of the present invention, there is provided another method for managing a secondary cell, including: a base station receives an execution result reported by user equipment, wherein the execution result is a result obtained after the user equipment executes the operation of managing a secondary cell; and the base station executes the operation of managing the secondary cell according to the execution result.
According to another embodiment of the present invention, there is provided a management apparatus for a secondary cell, including: the execution module is used for executing the operation of managing the secondary cell to obtain an execution result; and the reporting module is used for reporting the execution result to the base station.
According to another embodiment of the present invention, there is provided another management apparatus for a secondary cell, including: a receiving module, configured to receive an execution result reported by a user equipment, where the execution result is obtained after the user equipment executes an operation of managing a secondary cell; and the execution module is used for executing the operation of managing the secondary cell according to the execution result.
According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is configured to store program code for performing the steps of:
executing the operation of managing the secondary cell to obtain an execution result;
and reporting the execution result to a base station.
By the method and the device, the management of the secondary cell can be better performed under the carrier aggregation scene of the cell after the wave beam is introduced, so that the interference is reduced. The technical problem that the secondary cell cannot be managed in a carrier aggregation scene of the cell after the beam is introduced in the related technology is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic diagram of cells and beams in the related art of the present invention;
fig. 2 is a flowchart of a method for managing a secondary cell according to an embodiment of the present invention;
fig. 3 is a flowchart of another management method of a secondary cell according to an embodiment of the present invention;
fig. 4 is a block diagram of a management apparatus of a secondary cell according to an embodiment of the present invention;
fig. 5 is a block diagram of another management apparatus for a secondary cell according to an embodiment of the present invention;
fig. 6 is a block diagram of a management system of a secondary cell according to an embodiment of the present invention;
fig. 7 is a flowchart of embodiments 1 to 4 of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
In this embodiment, a management method for a secondary cell is provided, and fig. 2 is a flowchart of a management method for a secondary cell according to an embodiment of the present invention, as shown in fig. 2, the flowchart includes the following steps:
step S202, the user equipment executes the operation of managing the auxiliary cell to obtain an execution result;
step S204, the user equipment reports the execution result to the base station.
Through the steps, the management of the secondary cell can be better performed under the carrier aggregation scene of the cell after the beam is introduced, so as to reduce the interference. The technical problem that the secondary cell cannot be managed in a carrier aggregation scene of the cell after the beam is introduced in the related technology is solved.
Optionally, the user equipment performing the above steps may be a terminal, such as a mobile phone, but is not limited thereto.
Optionally, managing the secondary cell comprises one of: and deactivating the secondary cell and suspending all uplink behaviors of the secondary cell.
In this embodiment, the execution result is information generated after the user equipment performs an operation of managing the secondary cell.
In an optional implementation manner of this embodiment, the operation performed by the user equipment to manage the secondary cell includes one of the following:
s11, the user equipment executes the operation of managing the auxiliary cell according to the configuration information; the configuration information may be sent by the base station to the user equipment;
s12, the ue decides to perform the operation of managing the secondary cell.
Optionally, before the user equipment performs an operation of managing the secondary cell according to the configuration information, the method further includes: the user equipment receives the configuration information sent by the base station.
In this embodiment, the configuration information includes indication information of at least one of: and allowing the user equipment to automatically decide to deactivate or suspend all uplink behaviors of the secondary cell, when the beam recovery of the secondary cell fails, deactivating or suspending all uplink behaviors of the secondary cell, and when the radio link control retransmission failure of the secondary cell reaches the maximum number, deactivating or suspending all uplink behaviors of the secondary cell.
According to different scenarios, the operation performed by the user equipment for managing the secondary cell includes one of the following:
the user equipment executes the operation of managing the secondary cell when the beam recovery failure indication of the secondary cell is received;
and the user equipment executes the operation of managing the secondary cell when the radio link control retransmission of the secondary cell fails to reach the maximum number under the condition of copy transmission.
In this embodiment, another management method for a secondary cell is provided, and fig. 3 is a flowchart of another management method for a secondary cell according to an embodiment of the present invention, as shown in fig. 3, the flowchart includes the following steps:
step S302, a base station receives an execution result reported by user equipment, wherein the execution result is obtained after the user equipment executes the operation of managing the auxiliary cell;
step S304, according to the execution result, the base station executes the operation of managing the secondary cell.
Optionally, the base station performing the above steps may be various forms of base stations including a secondary cell, such as a gNB, but is not limited thereto.
Optionally, managing the secondary cell includes one of: and deactivating the secondary cell and suspending all uplink behaviors of the secondary cell.
Optionally, before the base station receives the execution result reported by the user equipment, the method further includes: and sending configuration information to the terminal, wherein the configuration information is used for indicating the condition of the terminal for managing the operation of the secondary cell.
Optionally, the configuration information includes indication information of at least one of: and allowing the user equipment to automatically decide to deactivate or suspend all uplink behaviors of the secondary cell, when the beam recovery of the secondary cell fails, deactivating or suspending all uplink behaviors of the secondary cell, and when the radio link control retransmission failure of the secondary cell reaches the maximum number, deactivating or suspending all uplink behaviors of the secondary cell.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
The present embodiment further provides a management apparatus and a system for a secondary cell, where the apparatus is used to implement the foregoing embodiments and preferred embodiments, and details are not repeated for what has been described. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 4 is a block diagram of a management apparatus for a secondary cell according to an embodiment of the present invention, and as shown in fig. 4, the management apparatus is applied to a user equipment, and the management apparatus includes:
an execution module 40, configured to execute an operation of managing a secondary cell to obtain an execution result;
and a reporting module 42, configured to report the execution result to the base station.
Fig. 5 is a block diagram of another management apparatus for a secondary cell according to an embodiment of the present invention, and as shown in fig. 5, the management apparatus is applied to a base station, and the management apparatus includes:
a receiving module 50, configured to receive an execution result reported by the user equipment, where the execution result is a result obtained after the user equipment performs an operation of managing the secondary cell;
and the execution module 52 is configured to execute an operation of managing the secondary cell according to the execution result.
Fig. 6 is a block diagram of a management system of a secondary cell according to an embodiment of the present invention, and as shown in fig. 6, the management system includes: the user equipment 60, the base station 62,
the user equipment 60 includes: a first executing module 600, configured to execute an operation of managing a secondary cell, and obtain an execution result; a reporting module 602, configured to report the execution result to the base station;
the base station 62 includes: a receiving module 620, configured to receive an execution result reported by the user equipment; a second executing module 622, configured to execute operations of managing the secondary cell.
Optionally, managing the secondary cell includes one of: and deactivating the secondary cell and suspending all uplink behaviors of the secondary cell.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Example 3
How to manage the secondary cell for the carrier aggregation of the cell after the introduction of the beam in the 5G system is the content to be described in the present invention. The invention provides a method for managing an auxiliary cell during carrier aggregation, which aims to solve the technical problems that: how to manage the secondary cell in the carrier aggregation scene of the cell after the wave beam is introduced.
The embodiment comprises the following steps:
and the UE deactivates (deactivating) all Uplink (Uplink) behaviors of the SCell or the suspended (suspended) SCell according to the configuration information or self-decision.
When the UE deactivates the SCell or suspends all uplink behaviors of the SCell according to the configuration information, the UE also receives the configuration information of the base station before that.
The UE may also include after deactivating the SCell or suspending all uplink activities of the SCell: and the UE reports the information for deactivating the SCell or suspending all uplink behaviors of the SCell to the base station.
The base station may further include, after receiving the information that the UE deactivates the SCell or suspends all uplink behaviors of the SCell: the base station deactivates the SCell or suspends all Downlink (Downlink) behavior of the SCell.
The UE receiving the configuration information of the base station comprises at least one of the following: and allowing the UE to automatically decide to deactivate the SCell or suspend all uplink behaviors of the SCell, deactivating the SCell or suspend all uplink behaviors of the SCell when the beam recovery of the SCell fails, and deactivating the SCell or suspending all uplink behaviors of the SCell when the RLC retransmission of the SCell fails for the maximum number of times.
The UE deactivates the SCell or suspends all uplink behaviors of the SCell and comprises at least one of the following actions: the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery failure indication of the SCell is given; the UE deactivates the SCell or suspends all uplink behavior of the SCell when the RLC retransmission of the SCell fails a maximum number of times under a duplicate (Duplication) transmission scenario.
Embodiment mode 1
Fig. 7 is a flowchart of embodiments 1 to 4 of the present invention, including:
step 1, the UE receives configuration information of a base station, wherein the configuration information comprises at least one of the following: and allowing the UE to automatically decide to deactivate the SCell or suspend all uplink behaviors of the SCell, deactivating the SCell or suspend all uplink behaviors of the SCell when the beam recovery of the SCell fails, and deactivating the SCell or suspending all uplink behaviors of the SCell when the RLC retransmission of the SCell fails for the maximum number of times.
Step 2, the UE deactivates the SCell or suspends all uplink behaviors of the SCell according to the configuration information, for example, when the configuration information is 'allowing the UE to autonomously decide to deactivate the SCell or suspend all uplink behaviors of the SCell', when the beam recovery of the SCell fails or when the RLC retransmission of the SCell fails to reach the maximum times under the condition of copy transmission; if the configuration information is that the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery of the SCell fails, the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery of the SCell fails; if the configuration information is that the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the RLC retransmission failure of the SCell reaches the maximum number of times, the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the RLC retransmission failure of the SCell reaches the maximum number of times under the condition of duplicate transmission.
And step 3, the UE reports the information of deactivating the SCell or suspending all uplink behaviors of the SCell to the base station.
And step 4, the base station deactivates the SCell or suspends all downlink behaviors of the SCell.
Embodiment mode 2
Step 1, the UE determines by itself, for example, the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery of the SCell fails or when the RLC retransmission of the SCell fails for the maximum number of times under the condition of duplicate transmission.
And step 2, the UE reports the information of deactivating the SCell or suspending all uplink behaviors of the SCell to the base station.
And step 3, the base station deactivates the SCell or suspends all downlink behaviors of the SCell.
Embodiment 3
Step 1, the UE receives configuration information of a base station, wherein the configuration information comprises at least one of the following: and allowing the UE to automatically decide to deactivate the SCell or suspend all uplink behaviors of the SCell, deactivating the SCell or suspend all uplink behaviors of the SCell when the beam recovery of the SCell fails, and deactivating the SCell or suspending all uplink behaviors of the SCell when the RLC retransmission of the SCell fails for the maximum number of times.
Step 2, the UE deactivates the SCell or suspends all uplink behaviors of the SCell according to the configuration information, for example, when the configuration information is 'allowing the UE to autonomously decide to deactivate the SCell or suspend all uplink behaviors of the SCell', when the beam recovery of the SCell fails or when the RLC retransmission of the SCell fails to reach the maximum times under the condition of copy transmission; if the configuration information is that the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery of the SCell fails, the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery of the SCell fails; if the configuration information is that the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the RLC retransmission failure of the SCell reaches the maximum number of times, the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the RLC retransmission failure of the SCell reaches the maximum number of times under the condition of duplicate transmission.
Embodiment 4
Step 1, the UE determines by itself, for example, the UE deactivates the SCell or suspends all uplink behaviors of the SCell when the beam recovery of the SCell fails or when the RLC retransmission of the SCell fails for the maximum number of times under the condition of duplicate transmission.
By adopting the method of the embodiment, the management of the secondary cell can be better performed under the carrier aggregation scene of the cell after the beam is introduced, so as to reduce the interference.
Example 4
The embodiment of the invention also provides a storage medium. Alternatively, in the present embodiment, the storage medium may be configured to store program codes for performing the following steps:
s1, executing the operation of managing the secondary cell to obtain an execution result;
and S2, reporting the execution result to the base station.
Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Optionally, in this embodiment, the processor executes the operation of managing the secondary cell according to the program code stored in the storage medium, so as to obtain an execution result;
optionally, in this embodiment, the processor performs reporting of the execution result to the base station according to a program code stored in the storage medium.
An embodiment of the present invention further provides a management device for a secondary cell, including: a memory, and a processor coupled to the memory, the processor to execute a program, wherein the program executes program code that performs the steps of:
s1, executing the operation of managing the secondary cell to obtain an execution result;
and S2, reporting the execution result to the base station.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for managing a secondary cell, comprising:
user equipment receives configuration information sent by a base station; wherein the configuration information includes indication information of at least one of: the user equipment deactivates the secondary cell or suspends all uplink behaviors of the secondary cell when the beam recovery of the secondary cell fails, and deactivates the secondary cell or suspends all uplink behaviors of the secondary cell when the user equipment fails to retransmit in the radio link control of the secondary cell for the maximum number of times;
the user equipment executes the operation of managing the auxiliary cell according to the configuration information to obtain an execution result;
and the user equipment reports the execution result to the base station, wherein the execution result is information generated after the user equipment executes the operation of managing the secondary cell.
2. A method for managing a secondary cell, comprising:
the base station sends configuration information to the user equipment; wherein the configuration information includes indication information of at least one of: the user equipment deactivates the secondary cell or hangs up all uplink behaviors of the secondary cell when the beam recovery of the secondary cell fails, and the user equipment deactivates the secondary cell or hangs up all uplink behaviors of the secondary cell when the radio link control retransmission of the secondary cell fails for the maximum times;
the base station receives an execution result reported by the user equipment, wherein the execution result is a result obtained after the user equipment executes the operation of managing the secondary cell;
according to the execution result, the base station executes the operation of managing the secondary cell, wherein the operation of managing the secondary cell comprises one of the following operations: and deactivating the secondary cell and suspending all uplink behaviors of the secondary cell.
3. An apparatus for managing a secondary cell, comprising:
a receiving module, configured to receive configuration information sent by a base station; wherein the configuration information includes indication information of at least one of: the method comprises the steps that user equipment deactivates the secondary cell or hangs up all uplink behaviors of the secondary cell when beam recovery of the secondary cell fails, and the user equipment deactivates the secondary cell or hangs up all uplink behaviors of the secondary cell when radio link control retransmission of the secondary cell fails for the maximum times;
the execution module is used for executing the operation of managing the auxiliary cell according to the configuration information to obtain an execution result;
and a reporting module, configured to report the execution result to the base station, where the execution result is information generated after the user equipment performs an operation of managing the secondary cell.
4. An apparatus for managing a secondary cell, comprising:
a sending module, configured to send configuration information to a user equipment; wherein the configuration information includes indication information of at least one of: the user equipment deactivates the secondary cell or hangs up all uplink behaviors of the secondary cell when the beam recovery of the secondary cell fails, and the user equipment deactivates the secondary cell or hangs up all uplink behaviors of the secondary cell when the radio link control retransmission of the secondary cell fails for the maximum times;
a receiving module, configured to receive an execution result reported by the user equipment, where the execution result is obtained after the user equipment performs an operation of managing a secondary cell;
an execution module, configured to execute an operation of managing the secondary cell according to the execution result, where the operation of managing the secondary cell includes one of: and deactivating the secondary cell and suspending all uplink behaviors of the secondary cell.
5. A storage medium, comprising a stored program, wherein the program when executed performs the method of any one of claims 1 to 2.
6. A management apparatus of a secondary cell, comprising: a memory, and a processor coupled to the memory, the processor configured to execute a program, wherein the program when executed performs the method of any of claims 1-2.
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| CN201710681145.6A CN109391399B (en) | 2017-08-10 | 2017-08-10 | Management method, device and equipment of secondary cell |
| PCT/CN2018/099919 WO2019029692A1 (en) | 2017-08-10 | 2018-08-10 | Auxiliary cell management method, apparatus and device |
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| JP7389221B2 (en) * | 2019-07-17 | 2023-11-29 | オッポ広東移動通信有限公司 | Wireless communication methods, terminal devices and network devices |
| CN112822728A (en) * | 2019-11-15 | 2021-05-18 | 中国移动通信有限公司研究院 | Information reporting and receiving method, terminal and network equipment |
| EP4258731A4 (en) * | 2020-12-10 | 2024-02-21 | Huawei Tech Co Ltd | Data transmission processing method and related apparatus |
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| CN102223730B (en) * | 2010-04-14 | 2015-04-22 | 电信科学技术研究院 | Method and device for processing random access failure of auxiliary carrier |
| CN107017970A (en) * | 2011-04-05 | 2017-08-04 | 三星电子株式会社 | Terminal and base station and its method in carrier aggregation system |
| WO2015017997A1 (en) * | 2013-08-07 | 2015-02-12 | 华为技术有限公司 | Method, apparatus and host for configuring secondary cell |
| CN105247941A (en) * | 2013-12-30 | 2016-01-13 | 华为技术有限公司 | Method and device for activating secondary cell, communication system, base station, and user equipment |
| CN106797536A (en) * | 2014-10-07 | 2017-05-31 | 瑞典爱立信有限公司 | mobility in dense network |
| CN106304281A (en) * | 2015-05-14 | 2017-01-04 | 普天信息技术有限公司 | The activation of a kind of secondary cell and anti-activating method and system |
| CN105120475A (en) * | 2015-07-17 | 2015-12-02 | 中国联合网络通信集团有限公司 | Method and device for managing secondary serving cell |
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| Publication number | Publication date |
|---|---|
| CN109391399A (en) | 2019-02-26 |
| WO2019029692A1 (en) | 2019-02-14 |
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