CN102724715B - The control method of a kind of auxiliary carrier wave, control equipment and mobile communication system - Google Patents

Abstract

The embodiment of the present invention discloses a secondary carrier control method, a control device, and a mobile communication system, wherein the method includes: determining according to any one of the serving cell resource, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal Whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied; if the secondary carrier deactivation condition of the mobile terminal is satisfied, control the deactivation of the uplink secondary carrier of the mobile terminal. By adopting the present invention, it is possible to more flexibly realize the adaptive activation and deactivation of the auxiliary carrier, optimize the carrier resource of the system, reduce the capacity loss of the system better, and can better provide the user's uplink and downlink throughput, reduce small delay.

Description

A secondary carrier control method, control device and mobile communication system

technical field

The present invention relates to the field of mobile communication, in particular to a method for controlling a secondary carrier, a control device and a mobile communication system.

Background technique

As the development of wireless network data services accelerates, the rate requirements for users' uplink and downlink data services are also getting higher and higher. In the third generation mobile communication partnership project (3GPP), HSUPA (High Speed Uplink Access, high-speed uplink access) was introduced. The uplink high-speed data transmission is realized, and HSDPA (High Speed Downlink Packet Access, high-speed downlink packet access) is introduced to realize the downlink high-speed data transmission.

For HSUPA and HSDPA, currently only the main carrier and the optional auxiliary carrier are defined for uplink and downlink data transmission, and the deactivation trigger method of the auxiliary carrier is not defined. How to realize the adaptive deactivation of the auxiliary carrier becomes research hotspot.

Contents of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a secondary carrier control method, a control device and a mobile communication system, which can adaptively trigger the deactivation of the secondary carrier.

In order to solve the above technical problems, an embodiment of the present invention provides a method for controlling an uplink secondary carrier, including:

determining whether a preset secondary carrier deactivation condition of the mobile terminal is satisfied according to any one of the serving cell resource, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal;

If the deactivation condition of the secondary carrier of the mobile terminal is satisfied, the uplink secondary carrier of the mobile terminal is controlled to be deactivated.

Wherein, the determining whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied according to the resource of the serving cell includes:

Detecting whether serving cell resources are limited, where the serving cell resources include: baseband resources or air interface load resources;

If the resources of the serving cell are limited, the preset condition for deactivating the secondary carrier of the mobile terminal is satisfied.

Wherein, the determining whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied according to the traffic volume of the mobile terminal includes:

Detecting the traffic currently transmitted by the mobile terminal in the cell system, and judging whether the traffic is lower than a preset traffic threshold;

If the service volume transmitted by the mobile terminal is lower than the preset service threshold, the preset condition for deactivating the secondary carrier of the mobile terminal is satisfied.

Wherein, the determining whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied according to the coverage status of the mobile terminal includes:

Detecting whether the current coverage state of the mobile terminal in the cell system is a limited state, and if the mobile terminal is currently in the coverage limited state, the preset secondary carrier deactivation condition of the mobile terminal is satisfied.

Wherein, the detecting whether the current coverage state of the mobile terminal in the cell system is a restricted state includes:

Judging whether the current UE power headroom UPH of the mobile terminal is lower than a preset headroom threshold, and judging whether the transmission rate of data transmitted by the mobile terminal is higher than a preset rate threshold;

If the UPH is lower than the preset headroom threshold and the data transmission rate is higher than the preset rate threshold, the mobile terminal is currently in a coverage limited state.

Wherein, the method also includes:

Detecting whether a request to increase the data transmission rate reported by the mobile terminal is received, and detecting whether the uplink data source of the mobile terminal is sufficient;

If the mobile terminal reports a request to increase the data transmission rate, and the uplink data source is sufficient, further determine whether the resources of the serving cell are limited, and determine whether the downlink auxiliary carrier of the mobile terminal is activated;

If the resources of the serving cell are not limited and the downlink secondary carrier of the mobile terminal has been activated, control the activation of the uplink secondary carrier of the mobile terminal.

Correspondingly, an embodiment of the present invention also provides a control device, including:

A determining module, configured to determine whether a preset secondary carrier deactivation condition of the mobile terminal is satisfied according to any one of the serving cell resources, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal;

A control module, configured to control deactivation of the secondary carrier of the mobile terminal when the determination module determines that the preset secondary carrier deactivation condition of the mobile terminal is satisfied.

Wherein, the determination module includes:

The first detection unit is configured to detect whether serving cell resources are limited, and the serving cell resources include: baseband resources or air interface load resources;

A first determining unit, configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is satisfied when the first detecting unit detects that the resources of the serving cell are limited.

Wherein, the determination module includes:

The second detection unit is used to detect the traffic volume currently transmitted by the mobile terminal in the cell system, and judge whether the traffic volume is lower than a preset traffic threshold;

The second determining unit is configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is satisfied when the second detecting unit detects that the traffic transmitted by the mobile terminal is lower than the preset traffic threshold.

Wherein, the determination module includes:

The third detection unit is used to detect whether the current coverage state of the mobile terminal in the cell system is a restricted state;

A third determining unit, configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is met when the third detecting unit detects that the mobile terminal is currently in a coverage limited state.

Wherein, the third detection unit includes:

A judging subunit, configured to judge whether the current UPH of the mobile terminal is lower than a preset margin threshold, and judge whether the transmission rate of user data is higher than a preset rate threshold;

The confirmation subunit is configured to confirm that the mobile terminal is in a limited coverage state when the judging subunit judges that the UPH is lower than the preset headroom threshold and the transmission rate of user data is higher than the preset rate threshold.

Wherein, the control device also includes:

The detection module is used to detect whether a request to increase the data transmission rate reported by the mobile terminal is received, and to detect whether the uplink data source of the mobile terminal is sufficient;

A judging module, configured to judge whether the resources of the serving cell are limited when the detecting module detects that the mobile terminal has reported a request to increase the data transmission rate and the uplink data source of the mobile terminal is sufficient, and judge whether the mobile terminal has limited resources. Whether the downlink secondary carrier of the terminal is activated;

The control module is further configured to control activation of the uplink secondary carrier of the mobile terminal when the judging module judges that the resources of the serving cell are not limited and the downlink secondary carrier of the mobile terminal has been activated.

Correspondingly, an embodiment of the present invention also provides a mobile communication system, including: a base station NodeB and a mobile terminal, wherein the base station NodeB includes the above-mentioned control device.

Implementing the embodiment of the present invention has the following beneficial effects:

The embodiment of the present invention can determine the deactivation of the auxiliary carrier according to the resources of the serving cell, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal, realizes the adaptive deactivation of the uplink auxiliary carrier, optimizes the carrier resources of the system, and can better Improve the user's uplink and downlink throughput and reduce delay.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic flowchart of a first embodiment of a method for controlling a secondary carrier according to an embodiment of the present invention;

FIG. 2 is a schematic flowchart of a second embodiment of a method for controlling a secondary carrier according to an embodiment of the present invention;

Fig. 3 is a schematic structural composition diagram of the first embodiment of the control device according to the embodiment of the present invention;

Fig. 4 is a schematic structural composition diagram of an embodiment of the determination module shown in Fig. 3;

Fig. 5 is a schematic structural composition diagram of the second embodiment of the control device according to the embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to FIG. 1 , which is a schematic flowchart of the first embodiment of the method for controlling the auxiliary carrier according to the present invention. The control method in this embodiment includes:

S101: Determine whether a preset secondary carrier deactivation condition of the mobile terminal is satisfied according to any one of the serving cell resource, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal;

The cell system includes a base station and a mobile terminal performing data communication through the base station. Specifically, the base station in the cell system can be used to detect the resources of the serving cell, detect the traffic volume of the mobile terminal, and detect the coverage status of the mobile terminal to determine whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied. In the case of activating the secondary carrier for the mobile terminal, the base station will detect in real time or periodically to determine whether to deactivate the secondary carrier of the mobile terminal.

The S101 may specifically include: detecting whether serving cell resources are limited, and the serving cell resources include: baseband resources or air interface load resources;

If the resources of the serving cell are limited, the preset condition for deactivating the secondary carrier of the mobile terminal is met.

The base station can determine that the current working state of the cell system is limited according to the local baseband resource CE resource, air interface load resource, etc., if one resource is limited, and the serving cell resource is limited. Of course, it is also possible to comprehensively determine whether serving cell resources are limited according to detected resources such as CE resources and air interface load resources.

Alternatively, the S101 may specifically include:

Detecting the traffic currently transmitted by the mobile terminal in the cell system, and judging whether the traffic is lower than a preset traffic threshold;

If the service volume transmitted by the mobile terminal is lower than the preset service threshold, the preset condition for deactivating the secondary carrier of the mobile terminal is satisfied.

The mobile terminal performs data communication through the base station, so the base station can detect the size of the traffic transmitted by the mobile terminal. However, for a user that transmits a small amount of business, it is not necessary to activate the auxiliary carrier.

Or: the S101 may specifically include:

Detecting whether the current coverage state of the mobile terminal in the cell system is a limited state, and if the mobile terminal is currently in the coverage limited state, determining that a preset secondary carrier deactivation condition for the mobile terminal is met. It specifically includes: judging whether the current UE power headroom UPH of the mobile terminal is lower than a preset headroom threshold, and judging whether the data transmission rate of the mobile terminal is higher than a preset rate threshold; if the UPH is lower than the If the margin threshold is preset and the data transmission rate is higher than the preset rate threshold, the mobile terminal is currently in a limited coverage state.

The base station can judge whether the UPH of the mobile terminal is lower than the preset margin threshold according to the terminal information reported by the mobile terminal. Whether it is large, if it is large, it indicates that the power of the mobile terminal needs to be consumed. At this time, that is, when the power is low and the transmission rate is high, the base station can control the deactivation of the secondary carrier of the mobile terminal to save the power of the mobile terminal.

S102: If the deactivation condition of the secondary carrier of the mobile terminal is met, control the deactivation of the secondary carrier of the mobile terminal.

The embodiment of the present invention can determine the deactivation of the auxiliary carrier according to the resources of the serving cell, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal, realizes the adaptive deactivation of the uplink auxiliary carrier, optimizes the carrier resources of the system, and can better Improve the user's uplink and downlink throughput and reduce delay.

It should be noted that, in other embodiments, it may be determined whether the secondary carrier deactivation condition of the mobile terminal is met according to any two or a combination of the serving cell resource, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal. For example, the deactivation condition of the secondary carrier needs to be satisfied only when the resources of the serving cell are limited and the service volume of the mobile terminal is lower than the service threshold.

The steps of deactivating the uplink secondary carrier are introduced in the above embodiments, and the steps of activating the uplink secondary carrier in the embodiment of the present invention will be described in detail below.

Please refer to FIG. 2 , which is a schematic flowchart of the second embodiment of the method for controlling the uplink secondary carrier according to the embodiment of the present invention. In this embodiment, after the uplink secondary carrier of the mobile terminal is deactivated in the cell system, the Equipment such as the base station may determine whether to activate the uplink secondary carrier of the mobile terminal in real time or periodically. The method of this embodiment includes:

S201: Detect whether a request for increasing the data transmission rate reported by the mobile terminal is received, and detect whether the uplink data source of the mobile terminal is sufficient.

Specifically, it may be determined whether the mobile terminal has a speed-up requirement by judging whether the UNHAPPY attribute reported by the mobile terminal is received. When there is a demand for speed up, it is judged whether the uplink data source of the mobile terminal is sufficient according to the transmission information reported by the mobile terminal. If sufficient, execute S202.

S202: If the mobile terminal reports a request to increase the data transmission rate, and the uplink data source is sufficient, further determine whether the resource of the serving cell is limited, and determine whether the downlink secondary carrier of the mobile terminal is activated.

S203: If the resources of the serving cell are not limited and the downlink secondary carrier of the mobile terminal has been activated, control to activate the uplink secondary carrier of the mobile terminal.

The embodiment of the present invention can adaptively activate the uplink auxiliary carrier according to the specific conditions of the base station and the mobile terminal, and can better provide the user's uplink and downlink throughput and reduce time delay.

The control device in the embodiment of the present invention is described in detail below, and the control device described below can be applied to the method in the embodiment shown in FIGS. 1-2 .

Please refer to FIG. 3 , which is a schematic structural composition diagram of the first embodiment of the control device according to the embodiment of the present invention. In this embodiment, the control device specifically includes: a determination module 1 and a control module 2 .

The determining module 1 is configured to judge whether a preset secondary carrier deactivation condition of the mobile terminal is met according to any one of the serving cell resources, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal.

The cell system includes a base station and a mobile terminal performing data communication through the base station. The determination module 1 can specifically detect serving cell resources, mobile terminal traffic, and mobile terminal coverage status through the base station in the cell system, so as to determine whether the preset secondary carrier deactivation conditions for the mobile terminal are met. In the case of activating the secondary carrier for the mobile terminal, the base station will detect in real time or periodically to determine whether to deactivate the secondary carrier of the mobile terminal.

Please also refer to FIG. 4 , which is a schematic structural diagram of the determining module shown in FIG. 3 . In a specific implementation, the determining module 1 may include:

The first detection unit 101 is configured to detect whether serving cell resources are limited, and the serving cell resources include: baseband resources or air interface load resources.

The first detection unit 101 can perform restricted detection according to the baseband resource CE resource of the base station, the air interface load resource, etc., if one resource is restricted, the resource of the serving cell is restricted, and it can be determined that the current working state of the cell system is restricted. limit state. Of course, it is also possible to comprehensively determine whether serving cell resources are limited according to detected resources such as CE resources and air interface load resources.

The first determining unit 102 is configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is met when the first detecting unit 101 detects that resources of the serving cell are limited.

Referring to FIG. 4 again, optionally, the determining module 1 may also include:

The second detection unit 111 is configured to detect the traffic currently transmitted by the mobile terminal in the cell system, and judge whether the traffic is lower than a preset traffic threshold;

The second determining unit 112 is configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is satisfied when the second detecting unit 111 detects that the traffic transmitted by the mobile terminal is lower than the preset traffic threshold.

The service threshold can be set according to actual conditions. The mobile terminal performs data communication through the base station, so the base station can detect the size of the traffic transmitted by the mobile terminal. For users with less traffic, it is not necessary to turn on the secondary carrier; that is, for users whose traffic is detected by the second detection unit 111 to be lower than the preset traffic threshold, the second determination unit 112 determines that the preset The secondary carrier deactivation condition of the mobile terminal.

Referring to FIG. 4 again, optionally, the determining module 1 may also include:

The third detection unit 121 is used to detect whether the current coverage state of the mobile terminal in the cell system is a restricted state;

In practical applications, the third detection unit 121 may specifically include:

The judging subunit is configured to judge whether the current UPH of the mobile terminal is lower than a preset headroom threshold, and judge whether the transmission rate of user data is higher than a preset rate threshold. The judging subunit can judge whether the UPH of the mobile terminal is lower than a preset power reserve threshold according to the terminal information reported by the mobile terminal, and if it is lower, it indicates that the power of the mobile terminal is low. At the same time, it is determined whether the rate of data transmitted by the user is relatively high, and if it is relatively high, it indicates that the power of the mobile terminal needs to be consumed.

The confirmation subunit is configured to confirm that the mobile terminal is in a limited coverage state when the judging subunit judges that the UPH is lower than the preset headroom threshold and the transmission rate of user data is higher than the preset rate threshold. Specifically, when the power is low and the transmission rate is high, the confirming subunit determines that the mobile terminal is currently in a limited coverage state.

The third determining unit 122 is configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is satisfied when the third detecting unit 121 detects that the mobile terminal is currently in a coverage limited state.

The mobile terminal is in a limited coverage state, which indicates that the mobile terminal has low battery power and a high transmission rate. In this case, the third determination unit 122 determines that the preset secondary carrier deactivation condition of the mobile terminal is met, and the base station can pass Deactivating the auxiliary carrier of the mobile terminal to save power of the mobile terminal.

The control module 2 is configured to control deactivation of the secondary carrier of the mobile terminal when the determination module 1 determines that the preset condition for deactivating the secondary carrier of the mobile terminal is satisfied.

The embodiment of the present invention can determine the deactivation of the auxiliary carrier according to the resources of the serving cell, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal, realizes the adaptive deactivation of the uplink auxiliary carrier, optimizes the carrier resources of the system, and can better Improve the user's uplink and downlink throughput and reduce delay.

Please refer to FIG. 5 , which is a schematic structural composition diagram of the second embodiment of the control device according to the embodiment of the present invention. In this embodiment, the control device specifically includes: a determination module 1, a control module 2, a detection module 3, and a judgment module 4, wherein the structure of the determination module 1 and the control module 2 can refer to the embodiment shown in FIG. 3 , I won't go into details here.

The detection module 3 is configured to detect whether a request for increasing the data transmission rate reported by the mobile terminal is received, and detect whether the uplink data source of the mobile terminal is sufficient.

Specifically, the detection module 3 may determine whether the mobile terminal has a speed-up requirement by detecting whether the UNHAPPY attribute reported by the mobile terminal is received. When there is a demand for speed up, it is judged whether the uplink data source of the mobile terminal is sufficient according to the transmission information reported by the mobile terminal.

Judging module 4, used to judge whether the resources of the serving cell are limited when the detecting module detects that the mobile terminal reports a request for increasing the data transmission rate and the uplink data source of the mobile terminal is sufficient, and judges whether the resource of the serving cell is limited, and judges that the Whether the downlink secondary carrier of the mobile terminal is activated.

The control module 2 is further configured to control the activation of the uplink secondary carrier of the mobile terminal when the judging module 3 judges that the resources of the serving cell are not limited and the downlink secondary carrier of the mobile terminal has been activated.

The embodiment of the present invention can adaptively activate the uplink auxiliary carrier according to the specific conditions of the base station and the mobile terminal, and can better provide the user's uplink and downlink throughput and reduce time delay.

The embodiment of the present invention also provides a mobile communication system, the system includes a base station NodeB and a mobile terminal, wherein the base station NodeB includes a control device, the structure of the control device can refer to the embodiments shown in the above-mentioned Figures 3-5 , which will not be described here.

As can be seen from the description of the foregoing embodiments, the present invention has the following advantages:

The embodiment of the present invention can determine the deactivation of the auxiliary carrier according to the resources of the serving cell, the service volume of the mobile terminal, and the coverage state of the mobile terminal, thereby realizing the adaptive deactivation of the uplink auxiliary carrier and optimizing the carrier resources of the system. In addition, the embodiments of the present invention can also adaptively activate the uplink auxiliary carrier according to the specific conditions of the base station and the mobile terminal, which can better provide users with uplink and downlink throughput and reduce time delay.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in a computer-readable storage medium. During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) and the like.

The above disclosures are only preferred embodiments of the present invention, and certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims (11)

1. A method for controlling an uplink secondary carrier, comprising: determining whether a preset secondary carrier deactivation condition of the mobile terminal is satisfied according to any one of the serving cell resource, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal; If the deactivation condition of the secondary carrier of the mobile terminal is satisfied, then control the deactivation of the uplink secondary carrier of the mobile terminal; Detecting whether a request to increase the data transmission rate reported by the mobile terminal is received, and detecting whether the uplink data source of the mobile terminal is sufficient; The detection of whether a request to increase the data transmission rate reported by the mobile terminal is received includes: Judging whether the UNHAPPY attribute reported by the mobile terminal is received, to determine whether the mobile terminal has a speed-up requirement; If the mobile terminal reports a request to increase the data transmission rate, and the uplink data source is sufficient, further determine whether the resources of the serving cell are limited, and determine whether the downlink auxiliary carrier of the mobile terminal is activated; If the resources of the serving cell are not limited and the downlink secondary carrier of the mobile terminal has been activated, control the activation of the uplink secondary carrier of the mobile terminal. 2. The method according to claim 1, wherein the determining whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied according to the resource of the serving cell comprises: Detecting whether serving cell resources are limited, where the serving cell resources include: baseband resources or air interface load resources; If the resources of the serving cell are limited, the preset condition for deactivating the secondary carrier of the mobile terminal is satisfied. 3. The method according to claim 1, wherein the determining whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied according to the traffic volume of the mobile terminal comprises: Detecting the traffic currently transmitted by the mobile terminal in the cell system, and judging whether the traffic is lower than a preset traffic threshold; If the traffic currently transmitted by the mobile terminal is lower than the preset traffic threshold, the preset secondary carrier deactivation condition of the mobile terminal is met. 4. The method according to claim 1, wherein the determining whether the preset secondary carrier deactivation condition of the mobile terminal is satisfied according to the coverage state of the mobile terminal comprises: Detecting whether the current coverage state of the mobile terminal in the cell system is a limited state, and if the mobile terminal is currently in the coverage limited state, the preset secondary carrier deactivation condition of the mobile terminal is satisfied. 5. The method according to claim 4, wherein said detecting whether the current coverage state of the mobile terminal in the cell system is a restricted state comprises: Judging whether the current UE power headroom UPH of the mobile terminal is lower than a preset headroom threshold, and judging whether the data transmission rate of the mobile terminal is higher than a preset rate threshold; If the UPH is lower than the preset headroom threshold and the data transmission rate is higher than the preset rate threshold, the mobile terminal is currently in a coverage limited state. 6. A control device, characterized in that it comprises: A determining module, configured to determine whether a preset secondary carrier deactivation condition of the mobile terminal is satisfied according to any one of the serving cell resources, the traffic volume of the mobile terminal, and the coverage state of the mobile terminal; A control module, configured to control deactivation of the secondary carrier of the mobile terminal when the determining module determines that the preset secondary carrier deactivation condition of the mobile terminal is met; The detection module is used to detect whether a request to increase the data transmission rate reported by the mobile terminal is received, and to detect whether the uplink data source of the mobile terminal is sufficient; The detection module detects whether a request to increase the data transmission rate reported by the mobile terminal is received, including: Judging whether the UNHAPPY attribute reported by the mobile terminal is received, to determine whether the mobile terminal has a speed-up requirement; A judging module, configured to judge whether the resources of the serving cell are limited when the detecting module detects that the mobile terminal has reported a request to increase the data transmission rate and the uplink data source of the mobile terminal is sufficient, and judge whether the mobile terminal has limited resources. Whether the downlink secondary carrier of the terminal is activated; The control module is further configured to control activation of the uplink secondary carrier of the mobile terminal when the judging module judges that the resources of the serving cell are not limited and the downlink secondary carrier of the mobile terminal has been activated. 7. The control device according to claim 6, wherein the determining module comprises: The first detection unit is configured to detect whether serving cell resources are limited, and the serving cell resources include: baseband resources or air interface load resources; A first determining unit, configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is satisfied when the first detecting unit detects that the resources of the serving cell are limited. 8. The control device according to claim 6, wherein the determining module comprises: The second detection unit is used to detect the traffic volume currently transmitted by the mobile terminal in the cell system, and judge whether the traffic volume is lower than a preset traffic threshold; The second determining unit is configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is satisfied when the second detecting unit detects that the traffic currently transmitted by the mobile terminal is lower than the preset traffic threshold. 9. The control device according to claim 6, wherein the determining module comprises: The third detection unit is used to detect whether the current coverage state of the mobile terminal in the cell system is a restricted state; A third determining unit, configured to determine that a preset secondary carrier deactivation condition of the mobile terminal is met when the third detecting unit detects that the mobile terminal is currently in a coverage limited state. 10. The control device according to claim 9, wherein the third detection unit comprises: A judging subunit, configured to judge whether the current UPH of the mobile terminal is lower than a preset margin threshold, and judge whether the transmission rate of user data is higher than a preset rate threshold; The confirmation subunit is configured to confirm that the mobile terminal is in a limited coverage state when the judging subunit judges that the UPH is lower than the preset headroom threshold and the transmission rate of user data is higher than the preset rate threshold. 11. A mobile communication system, characterized by comprising: a base station NodeB and a mobile terminal, wherein the base station NodeB includes the control device according to any one of claims 6-10.