WO2012100594A1

WO2012100594A1 - Method and system for avoiding inter-mode interference by terminal

Info

Publication number: WO2012100594A1
Application number: PCT/CN2011/083032
Authority: WO
Inventors: 王莉
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-01-27
Filing date: 2011-11-28
Publication date: 2012-08-02
Also published as: CN102088798A; CN102088798B

Abstract

Provided are a method and system for avoiding inter-mode interference by a terminal. The terminal supports a first mode and a second mode, and a first frequency band in the first mode and a second frequency band in the second mode are mutually interfering frequency bands. The method includes: starting a first mode and a second mode; when a service of the first mode is performed, judging whether the frequency band used by the service is the first frequency band; if so, then reporting to the network side with capability information that the terminal does not support the second frequency band when a service of the second mode is performed. The method and system for avoiding inter-mode interference by a terminal can avoid adjacent frequency interference between voice and data services, improving user satisfaction.

Description

Method and system for avoiding inter-mode interference in terminal

TECHNICAL FIELD The present invention relates to mobile communication technologies, and in particular, to a method and system for avoiding inter-mode interference in a terminal.

Background technique

In the current network, the coverage of the Time Division-Synchronous Code Division Multiple Access (TD-SCDMA, TD for short) network does not cover the Global System For Mobile Communications (GSM) network. The rate is high, which leads to the coverage of both TD and GSM. Due to the imbalance of signal strength or off-network, the terminal reselects or switches frequently between GSM and TD modes, causing a short interruption of the call process and data service. The phenomenon of rate fluctuations in the process. Therefore, in the TD and GSM dual-mode environment, the dual-mode dual-standby single-card single-number terminal can be used to make calls on the GSM network with mature and stable voice functions, and data services in the TD network with data service expertise. Can improve the user's satisfaction with the use of the terminal.

However, when the GSM capability of the terminal supports the 1800MHz Digital Cellular System (DCS 1800) band and its TD capability supports the F-band, if it operates in the DCS 1800 and F-band simultaneously, interference will occur between the two, resulting in interference. The voice service using the GSM network or the data service of the TD network is affected.

Summary of the invention

In order to solve the above technical problem, the present invention provides a method and system for avoiding inter-mode interference in a terminal to avoid adjacent channel interference between two mode services. The present invention provides a method for a terminal to avoid inter-mode interference, the method comprising: the terminal supporting a first mode and a second mode, and the first frequency band and the second mode of the first mode The two frequency bands are mutually interference frequency bands, and the method includes: enabling the first mode and the second mode; When the service of the first mode is performed, determining whether the frequency band used by the service is the first frequency band of the first mode; if it is determined that the service uses the first frequency band of the first mode, When the service of the second mode is reported to the network side, the capability information of the second frequency band of the second mode is not supported by the local terminal. The method for avoiding inter-mode interference of the terminal of the present invention may have the following characteristics:

After the determining whether the frequency band used by the service is the first frequency band of the first mode, the method may further include: if it is determined that the first frequency band of the first mode is not used by the service, When the service of the second mode is performed, determining whether the frequency band used by the service of the second mode is the second frequency band of the second mode; and determining that the service of the second mode uses the second mode The second frequency band reports to the network side that the terminal does not support the capability information of the first frequency band of the first mode. The method for avoiding inter-mode interference of the terminal of the present invention may also have the following features:

The first mode may be a Global System for Mobile Communications (GSM) mode, the first frequency band of the first mode may be a DCS1800 frequency band, and the second mode may be a Time Division Synchronous Code Division Multiple Access (TD) mode. The second frequency band of the second mode may be an F frequency band. The method for avoiding inter-mode interference of the terminal of the present invention may also have the following features:

The first mode may be a TD mode, the first frequency band of the first mode may be an F frequency band, the second mode may be a GSM mode, and the second frequency band of the second mode may be a DCS1800 frequency band. The method for avoiding inter-mode interference of the terminal of the present invention may also have the following features:

The first frequency band of the first mode is the F frequency band, and the second frequency band of the second mode is the DCS1800 frequency band; or the first frequency band of the first mode is the DCS1800 frequency band, and the second frequency band of the second mode is For the F-band;

After the step of reporting to the network side that the terminal does not support the capability information of the F-band, the method may further include:

If the voice service ends before the data service ends, the data service may be reported to the network side when the data service is performed. The terminal supports the capability information of the F-band; if the data service is prior to the end of the voice service, the terminal can report the terminal to the network side during the connection establishment process of the Radio Resource Control (RRC) in the next data domain service. Capability information supporting the F-band; or

After reporting to the network side that the terminal does not support the capability information of the DCS1800 band, the method may further include:

If the voice service is terminated first, the capability information of the DCS1800 band supported by the terminal can be reported to the network side during the call release process. If the data service is terminated, the capability information of the terminal supporting the DCS1800 band can be reported to the network side during the call. . The present invention further provides a system for a terminal to avoid inter-mode interference, the terminal supporting a first mode and a second mode, and the first frequency band of the first mode and the second frequency band of the second mode are mutually For interference bands, the system includes:

Enabled device configured to enable the first mode and the second mode;

a first determining device, configured to determine, when performing the service in the first mode, whether the frequency band used by the service is the first frequency band of the first mode;

a first reporting device, configured to: if the first determining device determines that the service uses the first frequency band of the first mode, reporting the local terminal to the network side when performing the service in the second mode The capability information of the second frequency band of the second mode.

The system of the terminal of the present invention for avoiding inter-mode interference can have the following characteristics:

The system can also include:

a second determining device, configured to: if the first determining device determines that the first frequency band of the first mode is not used by the service, when determining the service of the second mode, determining the second mode Whether the frequency band used by the service is the second frequency band of the second mode;

a second reporting device, configured to: if the second determining device determines that the second mode of the service uses the second frequency band of the second mode, reporting to the network side that the local terminal does not support the first The capability information of the first frequency band of the mode. The system of the terminal of the present invention for avoiding inter-mode interference can also have the following characteristics:

The first mode may be a Global System for Mobile Communications (GSM) mode, the first mode of the first mode One frequency band may be a DCS 1800 frequency band; the second mode may be a time division synchronous code division multiple access (TD) mode, and the second frequency band of the second mode may be an F frequency band. The system of the terminal of the present invention for avoiding inter-mode interference can also have the following characteristics:

The first mode may be a TD mode, the first frequency band of the first mode may be an F frequency band, the second mode may be a GSM mode, and the second frequency band of the second mode may be a DCS1800 frequency band. The system of the terminal of the present invention for avoiding inter-mode interference can also have the following characteristics:

The system may further include: a first update reporting device, configured to: after the first reporting device or the second reporting device reports to the network side that the terminal does not support the F-band capability information, if the voice service precedes the data service After the data service is performed, the capability information of the F-band supported by the terminal can be reported to the network side; if the data service ends before the voice service ends, the connection of the radio resource control (RRC) can be performed when the data domain service is next performed. During the establishment process, report the capability information of the terminal supporting the F-band to the network side; or

a first update reporting device, configured to: after the first reporting device or the second reporting device reports to the network side that the terminal does not support the capability information of the DCS1800 frequency band, if the voice service is terminated first, the call may be released during the call release process. The network side reports the capability information of the DCS1800 band in the local terminal. If the data service is terminated first, the capability information of the DCS1800 band supported by the terminal can be reported to the network side during the call.

BRIEF abstract

1 is a flowchart of an embodiment of a method for avoiding inter-mode interference in a terminal according to the present invention;

2 is a flowchart of a first application example of a method for avoiding inter-mode interference in a terminal according to the present invention; FIG. 3 is a flowchart of a second application example of a method for avoiding inter-mode interference in a terminal according to the present invention; Schematic diagram of a system embodiment of interference. Preferred embodiment of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the combination. Embodiments of the present invention provide a method for avoiding inter-mode interference in a terminal, which is compatible with networks of different equipment vendors within the scope required by the 3rd Generation Partnership Project (3GPP) protocol. Some network settings do not make any changes to the network settings or business processing to enhance the network usage rate, improve the user's satisfaction with the use of voice services and data services. An embodiment of the present invention provides a method for a terminal to avoid inter-mode interference, where the terminal supports a first mode and a second mode, and a first frequency band of the first mode and a second frequency band of the second mode The mutual interference frequency band, the method includes: Step 1: enabling the first mode and the second mode;

Step 2: When performing the service in the first mode, determine whether the frequency band used by the service is the first frequency band;

Step 3: If it is determined that the service uses the first frequency band, the capability information of the second frequency band is not supported by the local terminal to the network side when performing the second mode service. After the determining whether the frequency band used by the service is the first frequency band, the method may further include:

Step 4: If it is determined that the service is not using the first frequency band, when performing the service in the second mode, determining whether the frequency band used by the service in the second mode is the second frequency band; If it is determined that the second mode of the service is in the second frequency band, the capability information of the first frequency band is not supported by the local terminal to the network side.

Preferably, the first mode is a Global System for Mobile Communications (GSM) mode, the first frequency band is a DCS1800 frequency band, and the second mode is a Time Division Synchronous Code Division Multiple Access (TD) mode, the second mode The frequency band is an F frequency band; or, the first mode is a TD mode, and the first frequency band is F-band; the second mode is a GSM mode, and the second frequency band is a DCS1800 band.

In addition, after reporting to the network side that the terminal does not support the capability information of the F-band, the method may further include:

If the voice service is terminated first, the capability information of the F-band supported by the terminal is reported to the network side when the data service is performed; if the data service is terminated first, the data domain service (such as route update or data service) is performed next time, in the radio resource. During the connection establishment process of the control protocol (RRC), the capability information of the F-band supported by the terminal is reported to the network side; or

If the voice service is terminated first, the local terminal is reported to the network side during the call release process.

Capability information of the DCS1800 band. If the data service is terminated first, the capability information of the DCS1800 band supported by the terminal is reported to the network side during the call.

The terminal reports the corresponding UE capability information to the network according to the type of the service and the used radio frequency band, so that the network does not issue the handover command in the system to the terminal, so that the terminal can avoid the voice service working in the GSM DCS 1800 channel. The data service works on the F-band of the TD. The method for avoiding inter-mode interference in the terminal of the embodiment of the present invention may include the following situations: The terminal first performs data service in the F-band of the TD, and then, when the GSM performs voice service, after the RRC connection is established, the message is sent, for example, changed. The terminal type tag ( CLASSMARK CHANGE ) message is sent to the network side, and the reporting network terminal does not support DCS 1800;

The terminal first performs voice service in the GSM DCS1800 frequency band, and then accesses the data service in the TD. In the RRC connection setup complete message, the reporting network does not support the F-band;

The terminal first performs data service in the TD non-F band, and then performs voice service in the GSM DCS1800. In the process of the data service, the terminal sends a message such as UE capability information (CAPABILITY INFORMATION) to the network side, and the reporting network terminal does not support the F band. The terminal first performs voice service in the non-DCS1800 frequency band of GSM, and then performs data service in the F-band of the TD. During the GSM voice call, a message such as CLASSMARK CHANGE is sent to the network side, and the reporting network terminal does not support the DCS 1800 frequency band. As shown in FIG. 1 , it is a flowchart of a method for avoiding inter-mode interference in a terminal of the present invention. This embodiment uses a terminal to perform voice service in the DCS1800 frequency band of GSM, and avoids performing data service on the F-band of the TD as an example. To illustrate, the process includes:

Step S101: The terminal initiates a Radio Resource Control Protocol (RRC) connection establishment request message of the data service to the network side on the non-F frequency band of the TD;

Step S102: After receiving the RRC connection setup request message of the terminal, the network side initiates an RRC connection setup message to the terminal.

In step S103, the terminal receives the RRC connection setup message, and after the operation of the terminal resource allocation is completed, the RRC connection setup complete message is returned to the network; since the voice of the terminal is already working in the DCS1800 frequency band, the terminal needs to be in the RRC connection setup complete message. Carry information that does not support the F-band;

The RRC connection setup complete message includes a frequency band support field, and the support field of the frequency band is assigned to represent the corresponding frequency band support information. For example, the value of the support field of the frequency band is 1 and the support F frequency band is supported. The value of the field is 0, which means that the F-band is not supported; of course, those skilled in the art know that the support field of the frequency band can be assigned different values, which is only an example here; Step S104, the data service is successfully established;

Step S105, the user ends the service, if the voice service is terminated first, step S106 is performed, if the data service is terminated first, step S107 is performed;

Step S106: If there is no voice service on the DCS1800 of the GSM, send a message (for example, UE CAPABILITY INFORMATION) to the network in the data service of the TD, and carry the information supported by the terminal F frequency segment;

Step S107: After the TD data service ends, the terminal is in an idle state, and the network has no F-band capability of the terminal TD; when the data domain service is performed in the TD mode (such as route update or data service), the RRC connection establishment process will be performed. The TD's support for F-band capability is reported to the network. When the terminal performs the concurrent service of the voice and the data, the network side does not issue the handover command by the GSM DCS1800 band and the TD F-band support capability, so that the terminal service works in the DCS1800 and the F-band at the same time, avoiding the voice. Increased frequency band interference with data services User satisfaction with the terminal business.

Application example one:

As shown in FIG. 2, a flowchart of a method for avoiding inter-mode interference in a terminal of the present invention is applied. In this application example, a data service is initiated before a voice service, and the process includes the following steps: Step S201: A user is in a TD mode. In the data service, the voice service is re-initiated in the GSM mode;

Step S202: The terminal determines whether the TD mode resides in the cell of the F-band, if yes, the process proceeds to step S203, otherwise proceeds to step S209;

Step S203: The terminal determines whether the GSM mode resides in the DCS1800, and if yes, proceeds to step S204, otherwise proceeds to step S205;

Step S204: The GSM mode of the terminal actively reselects to other frequency bands of the non-DCS1800; Step S205: Initiating the voice service and establishing the completion, according to the current TD, the data service works in the F-band, and the GSM mode sends the CLASSMARK CHANGE to the network side during the call. The message notifying that the DCS 1800 band of the GSM of the network side terminal is not supported, and the terminal will not support the DCS1800 thereafter;

Step S206: The user ends the service, determines whether the voice service ends first, if yes, the process proceeds to step S207, otherwise proceeds to step S208;

Step S207: The terminal sends a CLASSMARK CHANGE message to the network side to notify the network side terminal of the DCS1800 frequency band support during the call release process;

Step S208: The data service ends first. During the call, the GSM sends a CLAS SMARK CHANGE to the network side to notify the DCS 1800 band support of the network side terminal; End; Step S209: Determine whether the GSM mode of the terminal resides in the DCS1800 band, Then proceeds to step S210, otherwise proceeds to step S214;

Step S210: In the data service process of the TD, the terminal sends the UE CAPABILITY to the network.

INFORMATION, the reporting network does not support the F-band;

Step S211: The user service ends, determining whether the voice service ends first, and then entering the step S212, otherwise proceeds to step S213;

Step S212: In the data service process of the TD, the UE CAPABILITY INFORMATION is sent, and the network supports the F-band;

Step S213: When the data domain service (for example, the route update or the data service) is performed again in the TD mode of the terminal, in the RRC connection setup completion message in the RRC connection establishment process, the reporting network terminal supports the F-band;

Step S214: The network side requires the terminal to perform handover, if yes, go to step S216, otherwise go to step S215;

Step S215: The service is normally performed;

Step S216: The terminal determines whether the GSM voice service is switched to the DCS1800 frequency band, if yes, the process proceeds to step S210, otherwise, the process proceeds to step S217;

Step S217: The terminal determines whether the TD data service is switched to the F-band, if yes, the process proceeds to step S218, otherwise, the process proceeds to step S220;

Step S218: In the GSM mode, the CLASSMARK CHANGE message is sent to the network side during the call, and the DCS 1800 frequency band of the network terminal is not supported, and the process goes to step S206. Step S219: The terminal performs a network switching command.

Application Example 2: As shown in FIG. 3, it is a flowchart of a method for the method for avoiding inter-mode interference in the terminal of the present invention. In this application example, the voice service is initiated before the data service, and the process includes the following steps: Step S301: When the terminal is in an idle state, when the user performs a voice service in the GSM mode, the user initiates a data service in the TD mode;

Step S302: The terminal determines whether the GSM mode resides in the DCS1800, and then enters the step.

5303, otherwise proceeds to step S310;

Step S303: The terminal determines whether the TD mode resides in a cell in the F-band, and then enters a step.

5304, otherwise proceeds to step S305; Step S304: The TD mode is first reselected to the non-F frequency band;

Step S305: The terminal initiates a data service, and sends an RRC connection setup request to the network side. Step S306: The network side receives the RRC connection setup message and completes the processing. According to the GSM mode of the current terminal, if the voice service works on the DCS1800, the terminal TD mode is closed. The F-band capability, and carrying the TD frequency band capability in the message that the RRC connection is established, wherein the indication F-band does not support;

Step S307: The user ends the service, determines whether the voice process ends first, if yes, the process goes to step S308, otherwise, the process goes to S309;

Step S308: The TD sends the UE CAPABILITY INFORMATION to the network in the data service process, and reports the network terminal to support the F-band;

Step S309: After the terminal TD enters the idle state, when the data domain service (for example, the route update or the data service) is performed again in the TD mode, the RRC connection establishment completion message in the RRC connection establishment process reports the network terminal to support the F-band;

Step S310: The terminal determines whether the TD mode resides in the F-band cell, if yes, the process goes to step S311, otherwise, the process goes to step S315;

Step S311: The terminal GSM mode sends a CLAS SMARK CHANGE message to the network, notifying that the DCS1800 frequency band of the network terminal is not supported;

Step S312: The user ends the service, and determines whether the voice process ends first. If yes, the process goes to step S313, otherwise, the process proceeds to S314;

Step S313: The terminal sends the CLASSMARK to the network side during the call release process.

CHANGE message, notifying the DCS 1800 band support of the network terminal; ending;

Step S314: The terminal sends a CLASSMARK CHANGE message to the network side during the call, to notify the network terminal of the DCS1800 frequency band support;

Step S315: The network requires the terminal to perform handover, if yes, go to step S317; otherwise, go to step S316;

Step S316: The terminal service is normally performed;

Step S317: The terminal determines whether the GSM voice service is switched to the DCS1800 frequency band. Go to step S319, otherwise go to step S318; Step S318: The terminal determines whether the TD data service is switched to the F-band, if yes, go to step S311, otherwise go to step S320; Step S319: TD reports to the network UE CAPABILITY INFORMATION, and the reporting network does not support F Frequency band; and proceeds to step 307; Step S320: The terminal performs a network switching command. As shown in FIG. 4, it is a schematic structural diagram of a system embodiment for avoiding inter-mode interference in a terminal according to the present invention, where the terminal supports a first mode and a second mode, and a first frequency band and the first mode in the first mode The second frequency band of the two modes is an interference frequency band, and the system includes an enabling device 41, a first determining device 42 and a first reporting device 43, wherein: the enabling device is configured to enable the first mode and the second mode; The device is configured to determine, according to the service in the first mode, whether the frequency band used by the service is the first frequency band, and the first reporting device is configured to determine, according to the first determining device, that the service is used. In the first frequency band, the capability information of the second frequency band is not supported by the local terminal to the network side when performing the service in the second mode. In addition, the system may further include a second determining device 44 and a second reporting device 45: the second determining device 44 is configured to: when the first determining device determines that the service is not using the first frequency band, When the service of the second mode is performed, determining whether the frequency band used by the service in the second mode is the second frequency band; and the second reporting device 45 is configured to determine, according to the second determining device, the service in the second mode If the second frequency band is used, the capability information of the first frequency band is not supported by the local terminal to the network side. The first mode is a Global System for Mobile Communications (GSM) mode, the first frequency band is a DCS1800 frequency band; the second mode is a Time Division Synchronous Code Division Multiple Access (TD) mode, and the second frequency band is F The first mode is the TD mode, the first frequency band is the F frequency band, the second mode is the GSM mode, and the second frequency band is the DCS1800 frequency band. In addition, the system may further include a first update reporting device or a second update reporting device, where the first update reporting device is configured to report, by the first reporting device or the second reporting device, to the network side that the terminal does not support the F-band. After the capability information is terminated, if the voice service is terminated, the capability information of the F-band supported by the terminal is reported to the network side when the data service is performed; if the data service is terminated first, then When the data domain service is performed once, the capability information of the F-band supported by the terminal is reported to the network side in the connection establishment process of the radio resource control (RRC); the second update reporting device is used to report the first reporting device or the second reporting device. After the device reports to the network side that the terminal does not support the capability information of the DCS1800 frequency band, if the voice service is terminated first, the capability information of the terminal supporting the DCS1800 frequency band is reported to the network side during the call release process; if the data service is terminated first, the call is made. In the process, the capability information of the terminal supporting the DCS1800 frequency band is reported to the network side.

The above-mentioned terminal can report the information that does not support the DCS1800 frequency band or the F-band to the network side. The reporting process can be seen in Figure 1 - Figure 3, and details are not described here.

The above-mentioned terminal can avoid the adjacent channel interference generated by the GSM DCS1800 frequency band and the TD F frequency band at the same time, without affecting the quality of the voice service or the data service, and improving the user satisfaction with the terminal service support. One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program that instructs the associated hardware to be stored in a computer readable storage medium, such as a read only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The above embodiments are only intended to illustrate the technical solutions of the present invention and are not to be construed as limiting the invention. It should be understood by those skilled in the art that the present invention may be modified or equivalently substituted without departing from the spirit and scope of the invention.

Industrial Applicability The method and system of the embodiments of the present invention prevent the network side from issuing a handover command by reporting the support capability of the GSM DCS1800 band and the TD F-band when the terminal performs the concurrent service of the voice and the data. The terminal service operates in the GSM DCS 1800 band and the TD F band simultaneously, and the adjacent channel interference does not affect the quality of the voice service or the data service, and improves the user satisfaction with the terminal service support.

Claims

Claim

A method for avoiding inter-mode interference, wherein the terminal supports a first mode and a second mode, and the first frequency band of the first mode and the second frequency band of the second mode are mutually interference frequency bands The method includes: the terminal enabling a first mode and a second mode;

When the terminal performs the service in the first mode, determining whether the frequency band used by the service is the first frequency band of the first mode; and if it is determined that the service uses the first mode of the first mode The frequency band, when the terminal performs the service of the second mode, reports to the network side that the terminal does not support the capability information of the second frequency band of the second mode.

The method for avoiding inter-mode interference according to claim 1, wherein after the step of determining whether the frequency band used by the service is the first frequency band of the first mode, the method further includes: If it is determined that the service is not using the first frequency band of the first mode, when the terminal performs the service of the second mode, determining whether the frequency band used by the service in the second mode is the second mode a second frequency band; and if it is determined that the second mode of the second mode is used by the second mode, reporting, to the network side, capability information that the local terminal does not support the first frequency band of the first mode .

The method for avoiding inter-mode interference according to claim 1 or 2, wherein: the first mode is a Global System for Mobile Communications (GSM) mode, and the first frequency band of the first mode is a DCS1800 band; The second mode is a time division synchronous code division multiple access (TD) mode, and the second frequency band of the second mode is an F frequency band.

The method for avoiding inter-mode interference according to claim 1 or 2, wherein: the first mode is a TD mode, the first frequency band of the first mode is an F-band; and the second mode is a GSM. Mode, the second frequency band of the second mode is a DCS1800 frequency band.

The method for avoiding inter-mode interference according to claim 2, wherein: the first frequency band of the first mode is an F-band, and the second frequency of the second mode is The first frequency band of the first mode is the DCS1800 frequency band, and the second frequency band of the second mode is the F frequency band;

After the information about the capability of the F-band is not supported by the terminal, the method further includes: if the voice service is prior to the end of the data service, reporting the capability information of the F-band supported by the terminal to the network side when performing the data service; If the data service ends before the voice service is completed, the next time the data domain service is performed, the capability information of the F-band supported by the terminal is reported to the network side in the connection establishment process of the radio resource control (RRC).

The method for avoiding inter-mode interference according to claim 2, wherein: the first frequency band of the first mode is an F-band, and the second frequency of the second mode is a DCS1800 frequency band; or The first frequency band of one mode is the DCS1800 frequency band, and the second frequency band of the second mode is the F frequency band;

After reporting to the network side that the terminal does not support the capability information of the DCS1800 band, the method further includes:

If the voice service ends before the data service ends, the capability information of the DCS1800 band supported by the terminal is reported to the network side during the call release process. If the data service ends before the voice service ends, the local terminal supports the DCS in the call process. Capability information for the 1800 band.

A system for avoiding inter-mode interference, wherein the terminal supports the first mode and the second mode, and the first frequency band of the first mode and the second frequency band of the second mode are mutually interference frequency bands , the system includes:

Enabled device configured to enable the first mode and the second mode;

a first determining device, configured to determine, when the terminal performs the service in the first mode, whether the frequency band used by the service is the first frequency band of the first mode;

a first reporting device, configured to report to the network side when the terminal performs the service of the second mode, if the first determining device determines that the service uses the first frequency band of the first mode The terminal does not support capability information of the second frequency band of the second mode.

8. The system for avoiding inter-mode interference of a terminal according to claim 7,

The system also includes: a second determining device, configured to determine, when the first determining device determines that the first frequency band of the first mode is used by the service, when the terminal performs the service in the second mode, Whether the frequency band used by the service of the second mode is the second frequency band of the second mode; and the second reporting device is configured to: if the second determining device determines that the service of the second mode uses the The second frequency band of the second mode reports to the network side that the terminal does not support the capability information of the first frequency band of the first mode.

The system for avoiding inter-mode interference according to claim 7 or 8, wherein: the first mode is a Global System for Mobile Communications (GSM) mode, and the first frequency band is a DCS1800 frequency band; In the time division synchronous code division multiple access (TD) mode, the second frequency band is an F frequency band.

The system for avoiding inter-mode interference according to claim 7 or 8, wherein: the first mode is a TD mode, the first frequency band is an F-band; and the second mode is a GSM mode, The second frequency band is the DCS1800 frequency band.

The system for avoiding inter-mode interference according to claim 8, wherein the first frequency band of the first mode is an F-band, and the second frequency of the second mode is a DCS1800 frequency band; or The first frequency band of the mode is the DCS1800 frequency band, and the second frequency band of the second mode is the F frequency band. The system further includes: a first update reporting device, configured to be in the first reporting device or the second reporting device After reporting the capability information of the F-band to the network side, if the voice service ends before the data service ends, the capability information of the F-band supported by the terminal is reported to the network side when the data service is performed; if the data service precedes the voice service If the data field service is performed next time, the capability information of the F-band supported by the terminal is reported to the network side in the connection establishment process of the radio resource control (RRC).

The system for avoiding inter-mode interference according to claim 8, wherein the first frequency band of the first mode is an F-band, and the second frequency of the second mode is a DCS1800 frequency band; or The first frequency band of one mode is the DCS1800 frequency band, and the second frequency band of the second mode is the F frequency band; The system also includes:

a first update reporting device, configured to: after the first reporting device or the second reporting device reports to the network side that the terminal does not support the capability information of the DCS1800 frequency band, if the voice service ends before the data service ends, the call release process The medium-to-network side reports the capability information of the DCS1800 band supported by the terminal. If the data service ends before the voice service ends, the terminal supports the capability information of the DCS1800 band to the network side during the call.