WO2013131331A1 - 制式切换方法及装置 - Google Patents

制式切换方法及装置 Download PDF

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Publication number
WO2013131331A1
WO2013131331A1 PCT/CN2012/076649 CN2012076649W WO2013131331A1 WO 2013131331 A1 WO2013131331 A1 WO 2013131331A1 CN 2012076649 W CN2012076649 W CN 2012076649W WO 2013131331 A1 WO2013131331 A1 WO 2013131331A1
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WO
WIPO (PCT)
Prior art keywords
current
data
data bandwidth
multimode terminal
switching
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PCT/CN2012/076649
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English (en)
French (fr)
Inventor
陈勇
Original Assignee
中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013131331A1 publication Critical patent/WO2013131331A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/26Reselection being triggered by specific parameters by agreed or negotiated communication parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • H04W36/144Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1443Reselecting a network or an air interface over a different radio air interface technology between licensed networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/18Selecting a network or a communication service

Definitions

  • the present invention relates to the field of communications, and in particular to a system switching method and apparatus.
  • BACKGROUND OF THE INVENTION The R9 version of the 3GPP protocol supports the multiple standards of the terminal (User Equipment, UE for short), and can support Global System for Mobile communications (GSM) and Time Division (referred to as Time Division). It is TD), Long-Term Evolution (LTE) and any combination of the two.
  • GSM Global System for Mobile communications
  • TD Time Division
  • LTE Long-Term Evolution
  • the traditional switching modes including active switching of the terminal and network-initiated handover, generally determine whether to switch to a cell with higher signal quality according to the signal quality of the current cell and the neighboring cell.
  • a system switching method includes: detecting whether a data bandwidth provided by a current mode network of a multimode terminal meets a data bandwidth required by a current data service, where The multimode terminal is a terminal supporting a plurality of standards; if the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the data bandwidth required by the current data service, the multimode terminal is currently located The system switches to a system having a higher data bandwidth than the current system.
  • detecting whether the data bandwidth provided by the current mode network of the multimode terminal meets the data bandwidth required by the current data service comprises: detecting whether the data volume of the data buffer of the multimode terminal exceeds a predetermined threshold, wherein The data buffer is configured to buffer data of a data service sent from the multimode terminal; If the data volume of the data buffer exceeds the threshold, it is determined that the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the data bandwidth required by the current data service.
  • the multimode terminal is compared to the current standard from the current system.
  • the switching of the system with higher data bandwidth includes: searching the system capable of switching the multi-mode terminal through the search module; preferentially selecting the system with the highest data bandwidth in the searched system capable of switching .
  • the switching of the multimode terminal from a current system to a system having a higher data bandwidth than the current system includes: determining whether the multimode terminal currently uses a voice service; if the determination is negative And switching the multimode terminal from a current system to a system having a higher data bandwidth than the current system.
  • the method further includes: having higher data bandwidth to all the current standards than the current system.
  • the first predetermined duration is set, and when the first predetermined duration is exceeded, the multimode terminal is further forwarded from the current system to a system having a higher data bandwidth than the current system.
  • the method further includes: counting, in the case that all the systems having a higher data bandwidth than the current system have failed to switch, and setting a second predetermined duration when the count value reaches a predetermined value, When the second predetermined duration is exceeded, the multimode terminal is switched from the current system to a system having a higher data bandwidth than the current system, wherein the second predetermined duration is greater than the first Scheduled time.
  • a system switching apparatus comprising: a detecting module, configured to detect whether a data bandwidth provided by a current mode network of a multimode terminal meets data required by a current data service a bandwidth, where the multimode terminal is a terminal supporting multiple standards; the switching module is configured to detect, in the detection module, that the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the current data service In the case of the required data bandwidth, the multimode terminal is switched from the current system to a system having a higher data bandwidth than the current system.
  • the detecting module is further configured to detect whether the data volume of the data buffer of the multimode terminal exceeds a predetermined threshold, wherein the data buffer is used to buffer data of the data service sent from the multimode terminal; If the data volume of the data buffer exceeds the threshold, it is determined that the data bandwidth provided by the current mode network of the multimode terminal does not meet the data bandwidth required by the current data service.
  • the switching module includes: a search module, configured to search for a system in which the multi-mode terminal can switch; the switching module is further configured to preferentially select the searchable system that can be switched The system with the highest data bandwidth is switched.
  • the switching module further includes: a determining unit, configured to determine whether the multi-mode terminal currently uses a voice service; and the switching module is further configured to: if the determining result of the determining unit is negative, The multimode terminal switches from a current system to a system having a higher data bandwidth than the current system.
  • the device further includes: a setting module, configured to: when the switching module fails to switch to all systems having a higher data bandwidth than the current system, set a first predetermined duration; the switching The module is further configured to switch the multimode terminal from the current system to a system having a higher data bandwidth than the current system when the first predetermined duration is exceeded.
  • the device further includes: a counting module configured to count a failure of switching to all systems having a higher data bandwidth than the current system; the setting module is further configured to achieve a count value In the case of a predetermined value, a second predetermined duration is set; the switching module is further configured to, when the second predetermined duration is exceeded, further change the multimode terminal from the current system to the current system.
  • the high data bandwidth system is switched, wherein the second predetermined duration is greater than the first predetermined duration.
  • the embodiment of the present invention detects whether the data bandwidth provided by the current mode network of the multimode terminal satisfies the data bandwidth required by the current data service, where the multimode terminal is a terminal supporting multiple standards; If the data bandwidth provided by the standard network does not meet the data bandwidth required by the current data service, the multimode terminal is switched from the current system to a system having a higher data bandwidth than the current system, and the UE is solved.
  • the current signal quality meets the requirements but still cannot meet the requirements of the user data service.
  • the user's system is switched, thereby effectively satisfying the user data service requirement and improving the user. Experience.
  • FIG. 1 is a flow chart of a method for switching a system according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing the structure of a system switching device according to an embodiment of the present invention
  • 3 is a block diagram showing the structure of a system switching apparatus according to a preferred embodiment of the present invention
  • FIG. 1 is a flow chart of a method for switching a system according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing the structure of a system switching device according to an embodiment of the present invention
  • 3 is a block diagram showing the structure of a system switching apparatus according to a preferred embodiment of the present invention
  • FIG. 1 is a flow chart of a method for switching a system according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing the structure of a system switching device according to an embodiment of the present invention
  • 3 is a block diagram showing the structure of a system switching apparatus according to a preferred embodiment of the present invention
  • FIG. 1 is a flow chart of a
  • FIG. 4 is a block diagram showing the structure of a system switching apparatus according to another preferred embodiment of the present invention
  • FIG. 5 is a system switching according to still another preferred embodiment of the present invention.
  • FIG. 6 is a block diagram showing the structure of a switching apparatus according to a preferred embodiment of the present invention
  • FIG. 7 is a flow chart showing a switching method in the GSM system according to a preferred embodiment of the present invention
  • FIG. 9 is a flow diagram of a timer counter operation and setting method according to a preferred embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for switching a system according to an embodiment of the present invention.
  • the method includes: Step S102: detecting a current mode of a multimode terminal Whether the data bandwidth provided by the network meets the data bandwidth required by the current data service, wherein the multimode terminal is a terminal supporting multiple standards; and in step S104, the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the current In the case of the data bandwidth required for the data service, the multimode terminal is switched from the current system to a system having a higher data bandwidth than the current system.
  • the multimode terminal when detecting that the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the data bandwidth required by the current data service, the multimode terminal is moved from the current system to the higher data bandwidth. The system is switched so as to be able to determine whether to perform system switching according to the data bandwidth required by the multimode terminal.
  • the signal quality to perform switching between different standards the current system network conforms.
  • the user needs to meet the requirements of the user data service.
  • the switching between different standards is performed by judging whether the data bandwidth meets the requirements of the terminal service, and the current signal quality of the UE meets the requirements but still cannot be satisfied.
  • the problem of the demand of the user data service thereby effectively meeting the needs of the user data service and improving the user experience.
  • a preferred implementation manner is provided.
  • the method for detecting the data volume of the data service sent by the terminal may be: detecting whether the data volume of the data buffer of the multimode terminal exceeds a predetermined threshold, and determining that the data volume of the data buffer exceeds the threshold.
  • the data bandwidth provided by the current mode network of the modulo terminal does not meet the data bandwidth required by the current data service.
  • the data buffer is used to buffer data of a data service sent from a multimode terminal.
  • the data buffer is a SubNetwork Dependent Convergence Protocol (SDCP) data. Buffer; In the TD format, the data buffer is a Packet Data Convergence Protocol (PDCP) data buffer.
  • SDCP SubNetwork Dependent Convergence Protocol
  • PDCP Packet Data Convergence Protocol
  • This method is easy to implement and achievable. Considering that the data bandwidth that users usually want to use is large, in order to meet the user's needs as much as possible, shorten the switching time, and improve the user experience, the system has a higher data bandwidth from the current system to the current system than the current system.
  • the search system can search all the modes that the multimode terminal can switch. In the searched system that can switch, the system with the highest data bandwidth is preferentially switched.
  • the TD system and the LTE system can be switched through the search module.
  • the LTE data bandwidth is higher than the TD standard
  • the LTE system is preferentially selected for switching. After the LTE system fails to switch, try to switch to the TD system.
  • the system with a higher data bandwidth may not support the user's voice service (for example, the LTE system).
  • the voice service if the current data traffic is small, the current bandwidth is sufficient.
  • the multimode terminal is switched from the current system to the system having a higher data bandwidth than the current system. In the case of a negative judgment, the multimode terminal is switched from the current system to a system having a higher data bandwidth than the current system. In this way, the user is prevented from interrupting the voice service due to the system switching, thereby ensuring the quality of the service.
  • a system with higher bandwidth for example, LTE
  • CSFB Circuit Switched Fallback
  • the terminal may always try to perform the handover. This affects the use of other services on the terminal. Therefore, preferably, the first predetermined duration may be set in the case where the handover fails to all the systems having a higher data bandwidth than the current system.
  • the first predetermined duration is long, the multimode terminal is switched from the current system to the system having a higher data bandwidth than the current system.
  • the number of times exceeds the first predetermined duration and the handover is still successful, it may indicate that the current user's condition is difficult to perform the corresponding handover.
  • the system in which the current system has a higher data bandwidth performs a handover failure, and when the count value reaches a predetermined value, sets a second predetermined duration, and when the second predetermined duration is exceeded, the multimode terminal is from the current standard.
  • the search network module When the UE camps on the GSM, if the SNDCP data buffer is full, and the search network module sends an indication message that the data area is full, the search network module first attempts to camp to the LTE system, and if it does not camp, go to the TD. If the host does not camp, it proves that there is no LTE or TD available cell, then return to the GSM system, and start the data service switching timer.
  • the timer duration is set to 5 minutes (the first predetermined duration), and the counter is tried. Counting (for example, the counter value is incremented by 1), when the timer is running, no longer try.
  • the timer After the timer expires, try again. If it is not successful, start the timer again, and the counter increments by one; if the number of consecutive values is consecutive (for example, if 5 times) are unsuccessful, the timer is started, the timer duration is 1 hour (the second predetermined duration), the counter value is reset (here is set to 0); when switching to another system, the timing is stopped. And reset the counter (here set to 0).
  • the UE When the UE camps on the TD, if the PDCP data buffer is full, an indication message that the data area is full is sent to the search network module.
  • the Sogou module first attempts to camp on the LTE system.
  • the timer duration is set to 5 minutes (the first reservation) Duration), try to count the counter (for example, the counter value increases by 1), when the timer is running, no longer try, after the timer expires, try again. If it is not successful, start the timer again, the counter is incremented by one; if continuous If the number of predetermined values (for example, 5 times) is unsuccessful, the timer is started, the timer duration is 1 hour (second predetermined duration), the counter value is reset (here is set to 0); when switching to other standards After going up, stop the timer and reset the counter (here set to 0).
  • the embodiment further provides a system switching device, which is used to implement the above embodiments and preferred embodiments, and has not been described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and conceivable.
  • 2 is a structural block diagram of a system switching apparatus according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes: a detecting module 22 and a switching module 24, which will be described in detail below.
  • the detecting module 22 is configured to detect whether the data bandwidth provided by the current mode network of the multimode terminal meets the data bandwidth required by the current data service, where the multimode terminal is a terminal supporting multiple standards; the switching module 24, The detecting module 22 is connected, and is configured to: when the detecting module 22 detects that the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the data bandwidth required by the current data service, the multimode terminal is directed from the current system. Switching between systems with higher data bandwidth than the current system. In this embodiment, when the detection module 22 detects that the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the data bandwidth required by the current data service, the multimode terminal is currently located by the switching module 24.
  • the system switches to a system with a higher data bandwidth, so that it can determine whether to perform system switching according to the data bandwidth required by the multimode terminal.
  • the switching between different modes is performed by judging the signal quality.
  • the current data of the UE is still unable to meet the requirements of the user data service.
  • the current signal of the UE is solved by determining whether the data bandwidth meets the requirements of the terminal service. The quality meets the requirements but still cannot meet the needs of the user data service, thereby effectively meeting the needs of the user data service and improving the user experience.
  • the detecting module 22 is further configured to detect whether the data volume of the data buffer of the multimode terminal exceeds a predetermined threshold; and if the data volume of the data buffer exceeds the threshold, determine the current mode network of the multimode terminal.
  • the data bandwidth provided does not meet the data bandwidth required for current data services.
  • the data buffer refers to a buffer for buffering data of a data service transmitted from the multimode terminal.
  • the data buffer is a S DCP data buffer; in the TD system, the data buffer is used.
  • the area is the PDCP data buffer.
  • 3 is a structural block diagram of a system switching apparatus according to a preferred embodiment of the present invention. As shown in FIG.
  • the switching module 24 may include: a searching unit 242 connected to the detecting module 22, configured to enable the multimode terminal through the search network module.
  • the system for switching performs a search; in this case, the switching module 24 can also be configured to preferentially switch between the systems with the highest data bandwidth in the searched system capable of switching.
  • 4 is a structural block diagram of a system switching apparatus according to another preferred embodiment of the present invention. As shown in FIG.
  • the switching module 24 may further include: a determining unit 244 connected to the detecting module 22, configured to determine whether the multimode terminal is currently The voice service is used; in this case, the switching module 24 can also be configured to set the multimode terminal from the current system to a system having a higher data bandwidth than the current system if the determination result of the determining unit 244 is negative.
  • FIG. 5 is a structural block diagram of a system switching apparatus according to still another preferred embodiment of the present invention. As shown in FIG. 5, the apparatus may further include: a setting module 36 connected to the switching module 24 and configured to switch the module 24 to all ratios.
  • FIG. 6 is a structural block diagram of a system switching apparatus according to another preferred embodiment of the present invention. As shown in FIG. 6, the apparatus may further include: a counting module 38 connected to the setting module 36 and configured to face all the current standards.
  • the setting module 36 can also be set to set the second predetermined duration when the count value reaches a predetermined value; the switching module 24 can also be set In order to exceed the second predetermined duration, the multimode terminal is switched from the current system to a system having a higher data bandwidth than the current system, wherein the second predetermined duration is greater than the first predetermined duration.
  • the method for switching from the GSM system to the TD or LTE system is described as an example, and a method for selecting a standard according to a data service (Packet Service, PS for short) and a multi-mode terminal are provided. It can solve the problem of reasonable switching between standards when there are multiple modes in the multimode terminal.
  • the SDCP data buffer of the terminal in the GSM system or the PDCP data buffer of the terminal in the TD system is used as an example for performing the system switching, but is not limited thereto.
  • the judgment may be made through other data buffers; or the judgment may be made in a corresponding manner on the receiving side of the terminal, and details are not described herein again.
  • the method in the preferred embodiment mainly includes: when the terminal processes the GSM system, when the S DCP data buffer is full, notifying the search network module, the search network module attempts to switch to the TD or LTE system with higher data bandwidth, LTE
  • the search network module attempts to switch to the LTE system with higher data bandwidth; if the data bandwidth provided by the terminal system can meet the current When the data business needs it, it will continue to reside in the current system.
  • the preferred embodiment also proposes a preferred embodiment for avoiding repeated attempts by the terminal after a failure to switch to another system.
  • FIG. 7 is a schematic flowchart of a handover method in a GSM system according to a preferred embodiment of the present invention.
  • the foregoing handover method may include the following steps: Step S702: Residing on the GSM system, if the data bandwidth is insufficient, there is no voice, and the timer is not running, and the process goes to S704.
  • Step S704 Try to camp to LTE. If the camping is successful, skip to S710. If not, skip to S706.
  • Step S706 Performing a camp on the TD. If the camping is successful, skip to S712; if not, skip to S708.
  • Step S708 Start the data switching timer, and jump to S702.
  • Step S710 Residing on the LTE system, stopping the timer, and the counter returns to 0.
  • Step S712 Residing on the TD system, stopping the timer, and the counter returns to 0.
  • FIG. 8 is a schematic flowchart of a handover method in a TD system according to a preferred embodiment of the present invention. As shown in FIG. 8, if currently camped on the TD system, the foregoing handover method may include the following steps: Step S802: Residing in the TD In the system, if the data bandwidth is insufficient, no voice, the timer is not running, skip to
  • Step S804 Try to camp to LTE. If the camping is successful, skip to S808. If not, skip to S806.
  • Step S806 Start the data switching timer, and jump to S802.
  • Step S808 Residing on the LTE system, stopping the timer, and the counter returns to 0.
  • FIG. 9 is a schematic flowchart of a method for running and setting a timer counter according to a preferred embodiment of the present invention. As shown in FIG. 9, the method may include the following steps: Step S902: In the TD/GSM system, the data bandwidth is insufficient, and is higher. The system switching of the bandwidth fails. If the number of failures is less than 5, skip to S904, otherwise skip to S906.
  • Step S904 Start the data switching timer, the duration is 5 minutes, the counter is incremented by 1, and the process jumps to S908.
  • Step S906 Start the data switching timer, the duration is 1 hour, the counter is set to 0, and the process goes to S908.
  • Step S908 The data switching timer expires, and the process goes to S902.
  • the present invention achieves the following technical effects: when detecting that the data bandwidth provided by the current mode network of the multimode terminal does not satisfy the data bandwidth required by the current data service, the multimode The terminal switches from the current system to a system with a higher data bandwidth, so that it can determine whether to perform system switching according to the data bandwidth required by the multimode terminal. In the prior art, the quality of the signal is judged to perform different modes.
  • the current data of the system is still unable to meet the requirements of the user data service.
  • the switching between different modes is performed by judging whether the data bandwidth meets the requirements of the terminal service.
  • the problem that the current signal quality of the UE meets the requirements but still cannot meet the requirements of the user data service effectively satisfies the requirements of the user data service and improves the user experience.
  • software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments.
  • a storage medium is also provided, the software being stored, including but not limited to an optical disk, a floppy disk, a hard disk, a rewritable memory, and the like.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

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Abstract

本发明公开了一种制式切换方法及装置,其中,该方法包括:检测多模终端当前所处制式网络提供的数据带宽是否满足当前的数据业务所需的数据带宽,其中,上述多模终端为支持多种制式的终端;在多模终端当前所处制式网络提供的数据带宽不满足当前的数据业务所需的数据带宽的情况下,将该多模终端由当前所在制式向比当前所在制式具有更高数据带宽的制式进行切换。通过本发明,解决了UE当前信号质量符合要求但仍无法满足用户数据业务的需求的问题,通过判断数据带宽是否满足当前数据业务来对用户所处的制式进行切换,从而有效地满足了用户数据业务的需求,提高了用户体验。

Description

制式切换方法及装置 技术领域 本发明涉及通信领域, 具体而言, 涉及一种制式切换方法及装置。 背景技术 3GPP协议 R9版本, 对终端 (User Equipment, 简称为 UE) 多个制式的支持已经 比较完善, 可以支持全球移动通信系统(Global System for Mobile communications, 简 称为 GSM)、 时分 (Time Division, 简称为 TD)、 长期演进(Long-Term Evolution, 简 称为 LTE) 及其任意两个的组合等。 传统的切换方式, 包括终端主动切换及网络发起 的切换, 一般都是根据当前小区及邻区的信号质量来判断是否向具有更高信号质量的 小区切换, 当多个制式的信号质量相当或当前制式下的信号质量足以维持终端与网络 的交互时, 便会继续驻留在当前制式。 这样, 当 UE处于 GSM或 TD制式下且暂无语 音业务时, 若当前所处制式的数据传输带宽较小时, 可能无法满足用户对数据带宽的 要求。 针对相关技术中 UE当前信号质量符合要求但仍无法满足用户数据业务的需要的 问题, 目前尚未提出有效的解决方案。 发明内容 本发明实施例提供了一种制式切换方法及装置, 以至少解决相关技术中 UE当前 信号质量符合要求但仍无法满足用户数据业务的需要的问题。 根据本发明实施例的一个方面, 提供了一种制式切换方法, 该方法包括: 检测多 模终端当前所处制式网络提供的数据带宽是否满足当前的数据业务所需的数据带宽, 其中, 所述多模终端为支持多种制式的终端; 在所述多模终端当前所处制式网络提供 的数据带宽不满足当前的数据业务所需的数据带宽的情况下, 将所述多模终端由当前 所在制式向比所述当前所在制式具有更高数据带宽的制式进行切换。 优选地, 检测所述多模终端当前所处制式网络提供的数据带宽是否满足当前的数 据业务所需的数据带宽包括: 检测多模终端的数据缓冲区的数据量是否超过预定的阈 值, 其中, 所述数据缓冲区用于缓存从所述多模终端发送的数据业务的数据; 在所述 数据缓冲区的数据量超过所述阈值的情况下, 确定所述多模终端当前所处制式网络提 供的数据带宽不满足当前的数据业务所需的数据带宽。 优选地, 在所述多模终端当前所处制式网络提供的数据带宽不满足当前的数据业 务所需的数据带宽的情况下, 将所述多模终端由当前所在制式向比所述当前所在制式 具有更高数据带宽的制式进行切换包括: 通过搜网模块对所述多模终端能够进行切换 的制式进行搜索; 优先选择在搜索到的所述能够进行切换的制式中数据带宽最高的制 式进行切换。 优选地, 将所述多模终端由当前所在制式向比所述当前所在制式具有更高数据带 宽的制式进行切换包括: 判断所述多模终端当前是否使用语音业务; 在判断为否的情 况下, 将所述多模终端由当前所在制式向比所述当前所在制式具有更高数据带宽的制 式进行切换。 优选地, 在将所述多模终端由当前所在制式向比所述当前所在制式具有更高数据 带宽的制式进行切换之后, 还包括, 在向所有比所述当前所在制式具有更高数据带宽 的制式进行切换失败的情况下, 设置第一预定时长, 在超过所述第一预定时长时, 将 所述多模终端由当前所在制式再向比所述当前所在制式具有更高数据带宽的制式进行 切换。 优选地, 所述方法还包括, 对向所有比所述当前所在制式具有更高数据带宽的制 式进行切换失败的情况进行计数, 在计数值达到预定数值的情况下, 设置第二预定时 长, 在超过所述第二预定时长时, 将所述多模终端由当前所在制式再向比所述当前所 在制式具有更高数据带宽的制式进行切换, 其中, 所述第二预定时长大于所述第一预 定时长。 根据本发明实施例的另一方面, 提供了一种制式切换装置, 该装置包括: 检测模 块, 设置为检测多模终端当前所处制式网络提供的数据带宽是否满足当前的数据业务 所需的数据带宽, 其中, 所述多模终端为支持多种制式的终端; 切换模块, 设置为在 所述检测模块检测出所述多模终端当前所处制式网络提供的数据带宽不满足当前的数 据业务所需的数据带宽的情况下, 将所述多模终端由当前所在制式向比所述当前所在 制式具有更高数据带宽的制式进行切换。 优选地, 所述检测模块还设置为检测多模终端的数据缓冲区的数据量是否超过预 定的阈值, 其中, 所述数据缓冲区用于缓存从所述多模终端发送的数据业务的数据; 在所述数据缓冲区的数据量超过所述阈值的情况下, 确定所述多模终端当前所处制式 网络提供的数据带宽不满足当前的数据业务所需的数据带宽。 优选地, 所述切换模块包括: 搜网模块, 设置为对所述多模终端能够进行切换的 制式进行搜索; 所述切换模块, 还设置为优先选择在搜索到的所述能够进行切换的制 式中数据带宽最高的制式进行切换。 优选地, 所述切换模块还包括: 判断单元, 设置为判断所述多模终端当前是否使 用语音业务; 所述切换模块, 还设置为在所述判断单元的判断结果为否的情况下, 将 所述多模终端由当前所在制式向比所述当前所在制式具有更高数据带宽的制式进行切 换。 优选地, 所述装置还包括: 设置模块, 设置为所述切换模块在向所有比所述当前 所在制式具有更高数据带宽的制式进行切换失败的情况下, 设置第一预定时长; 所述 切换模块, 还设置为在超过所述第一预定时长时, 将所述多模终端由当前所在制式再 向比所述当前所在制式具有更高数据带宽的制式进行切换。 优选地, 所述装置还包括: 计数模块, 设置为对向所有比所述当前所在制式具有 更高数据带宽的制式进行切换失败的情况进行计数; 所述设置模块, 还设置为在计数 值达到预定数值的情况下, 设置第二预定时长; 所述切换模块, 还设置为在超过所述 第二预定时长时, 将所述多模终端由当前所在制式再向比所述当前所在制式具有更高 数据带宽的制式进行切换, 其中, 所述第二预定时长大于所述第一预定时长。 通过本发明实施例, 检测多模终端当前所处制式网络提供的数据带宽是否满足当 前的数据业务所需的数据带宽, 其中, 该多模终端为支持多种制式的终端; 在多模终 端当前所处制式网络提供的数据带宽不满足当前的数据业务所需的数据带宽的情况 下, 将该多模终端由当前所在制式向比当前所在制式具有更高数据带宽的制式进行切 换, 解决了 UE当前信号质量符合要求但仍无法满足用户数据业务的需求的问题, 通 过判断数据带宽是否满足当前数据业务来对用户所处的制式进行切换, 从而有效地满 足了用户数据业务的需求, 提高了用户体验。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中: 图 1是根据本发明实施例的制式切换方法的流程图; 图 2是根据本发明实施例的制式切换装置的结构框图; 图 3是根据本发明优选实施例的制式切换装置的结构框图; 图 4是根据本发明另一优选实施例的制式切换装置的结构框图; 图 5是根据本发明再一优选实施例的制式切换装置的结构框图; 图 6是根据本发明还一优选实施例的制式切换装置的结构框图; 图 7是根据本发明优选实施例的 GSM制式下的切换方法的流程示意图; 图 8是根据本发明优选实施例的 TD制式下的切换方法的流程示意图; 图 9是根据本发明优选实施例的定时器计数器运行及设置方法的流程示意图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在不冲突的 情况下, 本申请中的实施例及实施例中的特征可以相互组合。 在本实施例中提供了一种制式切换方法, 图 1是根据本发明实施例的制式切换方 法的流程图, 如图 1所示, 该方法包括: 步骤 S102,检测多模终端当前所处制式网络提供的数据带宽是否满足当前的数据 业务所需的数据带宽, 其中, 上述多模终端为支持多种制式的终端; 步骤 S104,在多模终端当前所处制式网络提供的数据带宽不满足当前的数据业务 所需的数据带宽的情况下, 将该多模终端由当前所在制式向比当前所在制式具有更高 数据带宽的制式进行切换。 本实施例通过上述步骤, 在检测到多模终端当前所处制式网络提供的数据带宽不 满足当前的数据业务所需的数据带宽时, 将该多模终端由当前所在制式向具有更高数 据带宽的制式进行切换, 从而能够根据多模终端需求的数据带宽来确定是否进行制式 切换, 而在现有技术中通过对信号质量的判断来进行不同制式间的切换, 会出现当前 所处制式网络符合终端要求时仍无法满足用户数据业务需求的情况, 而在本实施例中 通过对数据带宽是否满足终端业务需求的判断来进行不同制式间的切换, 解决了 UE 当前信号质量符合要求但仍无法满足用户数据业务的需求的问题, 从而有效地满足了 用户数据业务的需求, 提高了用户体验。 在具体实施时, 检测多模终端当前所处制式网络提供的数据带宽是否满足当前的 数据业务所需的数据带宽的方式有很多种, 在本实施例中提供了一种优选实施方式, 该方式根据从终端发送的数据业务的数据量进行检测, 具体方式可以为: 检测多模终 端的数据缓冲区的数据量是否超过预定的阈值, 在数据缓冲区的数据量超过阈值的情 况下, 确定多模终端当前所处制式网络提供的数据带宽不满足当前的数据业务所需的 数据带宽。 其中, 上述的数据缓冲区用于缓存从多模终端发送的数据业务的数据, 例 如, 在 GSM制式下, 上述数据缓冲区为子网会聚收敛协议 (SubNetwork Dependent Convergence Protocol, 简称为 S DCP) 数据缓冲区; 在 TD制式下, 上述数据缓冲区 为分组数据汇聚协议层 (Packet Data Convergence Protocol, 简称为 PDCP) 数据缓冲 区。 这种方式易于实施, 可实现性强。 考虑到用户通常希望使用的数据带宽较大, 为了尽可能一次性满足用户需求, 缩 短切换时间, 提高用户体验, 在将多模终端由当前所在制式向比当前所在制式具有更 高数据带宽的制式进行切换时, 可以通过搜网模块对多模终端能够进行切换的全部制 式进行搜索; 在搜索到的能够进行切换的制式中, 优先选择数据带宽最高的制式进行 切换。 例如, 当用户当前处于 GSM制式下, 需要切换时, 通过搜网模块搜索到 TD制 式和 LTE制式可以切换, 此时, 由于 LTE数据带宽高于 TD制式, 因此优先选择 LTE 制式进行切换, 在向 LTE制式切换失败后, 再尝试向 TD制式进行切换。 但是由于某些情况下,数据带宽较高的制式有可能不支持用户的语音业务(例如, LTE制式), 而当用户需要使用语音业务时, 此时若当前数据流量较小, 当前带宽足以 满足, 则继续驻留在当前制式而不必向具有更高带宽的制式 (例如, LTE)进行切换, 这样,当用户再发起语音时,就不必在 LTE制式下通过 CSFB( Circuit Switched Fallback) 切换到 TD或 GSM来做语音业务,减少切换次数。而如果当前制式不能满足用户所需 的数据带宽, 则可以在将多模终端由当前所在制式向比当前所在制式具有更高数据带 宽的制式进行切换时, 首先判断多模终端当前是否使用语音业务; 在判断为否的情况 下, 再将多模终端由当前所在制式向比当前所在制式具有更高数据带宽的制式进行切 换。 通过这种方式, 避免了由于制式切换导致用户中断语音业务, 从而保证了业务质
考虑到在将多模终端由当前所在制式向比当前所在制式具有更高数据带宽的制式 进行切换之后, 是有可能切换失败的, 此时, 根据相关协议, 终端有可能会一直尝试 进行切换, 从而影响终端上其他业务的使用。 因此, 优选地, 可以在向所有比当前所 在制式具有更高数据带宽的制式进行切换失败的情况下, 设置第一预定时长, 在超过 第一预定时长时, 将多模终端由当前所在制式再向比当前所在制式具有更高数据带宽 的制式进行切换。 而当多次超过第一预定时长而依然没有切换成功时, 可能表明当前用户所处条件 难以进行相应切换, 此时, 为了进一步减少进行制式切换对终端其他业务的影响, 还 可以对向所有比当前所在制式具有更高数据带宽的制式进行切换失败的情况进行计 数, 在计数值达到预定数值的情况下, 设置第二预定时长, 在超过第二预定时长时, 将多模终端由当前所在制式再向比当前所在制式具有更高数据带宽的制式进行切换, 其中, 第二预定时长大于第一预定时长。 通过这种方式, 在多次超过第一预定时长而 切换依然不成功的情况下, 可以设置更长的第二预定时长, 在第二预定时长到时时再 进行切换, 节省了系统资源, 提高用户体验。 例如, 设置数据业务切换定时器初始时长为 5分钟, 并设置数据业务切换计数器 初始值为 0。 当 UE驻留在 GSM上时, 若 SNDCP数据缓冲区满时, 向搜网模块发送 数据区满的指示消息, 搜网模块首先尝试向 LTE 制式进行驻留, 若驻留不上, 再往 TD进行驻留,若还是驻留不上,证明当前无 LTE或 TD可用小区,则回到 GSM制式, 并启动数据业务切换定时器, 定时器时长设为 5分钟(第一预定时长), 尝试计数器进 行计数(例如, 计数器值增 1 ), 当定时器运行期间, 不再尝试.定时器超时后, 再次尝 试, 若再不成功, 则再次启动定时器, 计数器增 1 ; 若连续预定数值的次数 (例如, 5 次)均不成功, 则启动定时器, 定时器时长为 1个小时(第二预定时长), 计数器值重 置(此处为置 0); 当切换到其他制式上后,停止定时器并将计数器重置(此处为置 0)。 当 UE驻留在 TD上时, 若 PDCP数据缓冲区满时, 向搜网模块发送数据区满的 指示消息。搜网模块首先尝试向 LTE制式进行驻留, 若驻留不上, 证明当前无 LTE可 用小区, 则回到 TD制式, 并启动数据业务切换定时器, 定时器时长设为 5分钟 (第 一预定时长), 尝试计数器进行计数 (例如, 计数器值增 1 ), 当定时器运行期间, 不 再尝试, 定时器超时后, 再次尝试, 若再不成功, 则再次启动定时器, 计数器增 1 ; 若连续预定数值的次数 (例如, 5次) 均不成功, 则启动定时器, 定时器时长为 1个 小时 (第二预定时长), 计数器值重置 (此处为置 0); 当切换到其他制式上后, 停止 定时器并将计数器重置 (此处为置 0)。 对应于上述方法, 本实施例还提供了一种制式切换装置, 该装置用于实现上述实 施例及优选实施方式, 已经进行过说明的不再赘述。 如以下所使用的, 术语"模块"可 以实现预定功能的软件和 /或硬件的组合。尽管以下实施例所描述的装置较佳地以软件 来实现, 但是硬件, 或者软件和硬件的组合的实现也是可能并被构想的。 图 2是根据本发明实施例的制式切换装置的结构框图, 如图 2所示, 该装置包括: 检测模块 22和切换模块 24, 下面对该模块进行详细说明。 检测模块 22, 设置为检测多模终端当前所处制式网络提供的数据带宽是否满足当 前的数据业务所需的数据带宽, 其中, 该多模终端为支持多种制式的终端; 切换模块 24, 与检测模块 22相连, 设置为在检测模块 22检测出多模终端当前所处制式网络提 供的数据带宽不满足当前的数据业务所需的数据带宽的情况下, 将该多模终端由当前 所在制式向比当前所在制式具有更高数据带宽的制式进行切换。 本实施例通过上述装置,在检测模块 22检测到多模终端当前所处制式网络提供的 数据带宽不满足当前的数据业务所需的数据带宽时,通过切换模块 24将该多模终端由 当前所在制式向具有更高数据带宽的制式进行切换, 从而能够根据多模终端需求的数 据带宽来确定是否进行制式切换, 而在现有技术中通过对信号质量的判断来进行不同 制式间的切换, 会出现当前所处制式网络符合终端要求时仍无法满足用户数据业务需 求的情况, 而在本实施例中通过对数据带宽是否满足终端业务需求的判断来进行不同 制式间的切换, 解决了 UE当前信号质量符合要求但仍无法满足用户数据业务的需求 的问题, 从而有效地满足了用户数据业务的需求, 提高了用户体验。 优选地,上述检测模块 22还可以设置为检测多模终端的数据缓冲区的数据量是否 超过预定的阈值; 在数据缓冲区的数据量超过阈值的情况下, 确定多模终端当前所处 制式网络提供的数据带宽不满足当前的数据业务所需的数据带宽。 其中, 数据缓冲区 是指用于缓存从多模终端发送的数据业务的数据的缓冲区, 例如, 在 GSM制式下, 上述数据缓冲区为 S DCP数据缓冲区;在 TD制式下,上述数据缓冲区为 PDCP数据 缓冲区。 图 3是根据本发明优选实施例的制式切换装置的结构框图, 如图 3所示, 切换模 块 24可以包括: 搜索单元 242, 与检测模块 22相连, 设置为通过搜网模块对多模终 端能够进行切换的制式进行搜索; 在这种情况下, 切换模块 24还可以设置为优先选择 在搜索到的能够进行切换的制式中数据带宽最高的制式进行切换。 图 4是根据本发明另一优选实施例的制式切换装置的结构框图, 如图 4所示, 切 换模块 24还可以包括: 判断单元 244, 与检测模块 22相连, 设置为判断多模终端当 前是否使用语音业务; 在这种情况下, 切换模块 24还可以设置为在判断单元 244的判 断结果为否的情况下, 将多模终端由当前所在制式向比当前所在制式具有更高数据带 宽的制式进行切换。 图 5是根据本发明再一优选实施例的制式切换装置的结构框图, 如图 5所示, 上 述装置还可以包括: 设置模块 36, 与切换模块 24相连, 设置为切换模块 24在向所有 比当前所在制式具有更高数据带宽的制式进行切换失败的情况下,设置第一预定时长; 在这种情况下, 切换模块 24还可以设置为在超过第一预定时长时,将多模终端由当前 所在制式再向比当前所在制式具有更高数据带宽的制式进行切换。 图 6是根据本发明 还一优选实施例的制式切换装置的结构框图, 如图 6所示, 上述装置还可以包括: 计 数模块 38, 与设置模块 36相连, 设置为对向所有比当前所在制式具有更高数据带宽 的制式进行切换失败的情况进行计数; 在这种情况下, 设置模块 36还可以设置为在计 数值达到预定数值的情况下, 设置第二预定时长; 切换模块 24还可以设置为在超过第 二预定时长时, 将多模终端由当前所在制式再向比当前所在制式具有更高数据带宽的 制式进行切换, 其中, 第二预定时长大于第一预定时长。 下面结合优选实施例进行说明, 该优选实施例结合了上述实施例及其优选实施方 式。 在本优选实施例中以从 GSM制式向 TD或 LTE制式进行切换为例进行说明, 提 供了一种多模终端根据数据业务(Packet Service, 简称为 PS )流量选取制式的方法以 及多模终端, 可以解决在多模终端有多个制式存在的情况下, 合理进行制式间切换的 问题。在本优选实施例的方法中是以通过 GSM制式下终端的 S DCP数据缓冲区或者 TD制式下终端的 PDCP数据缓冲区是否已满为例来作为进行制式切换的条件,但是并 不限于此, 例如, 在其他制式下, 也可以通过其他数据缓冲区来进行判断; 或者通过 在终端接收侧以相应的方式进行判断, 在此不再赘述。 本优选实施例中的方法主要包括: 当终端处理 GSM制式下, 当 S DCP数据缓冲 区满时, 通知搜网模块, 搜网模块尝试往具有更高数据带宽的 TD或 LTE制式进行切 换, LTE制式优先; 当处于 TD制式下, 当 PDCP数据缓冲区满时, 通知搜网模块, 搜网模块尝试向具有更高数据带宽的 LTE制式进行切换; 若终端所在制式所提供的数 据带宽可以满足当前的数据业务需要时, 继续驻留在当前制式下。 另外, 在向其他制 式切换发生失败后, 本优选实施例也提出了避免终端进行反复尝试的优选实施方式。 通过上述方法, 可以使得制式间能够合理的进行切换, 即保证了用户体验, 又减少了 切换次数。 下面结合附图对本优选实施例中的方法进行详细说明。 图 7是根据本发明优选实施例的 GSM制式下的切换方法的流程示意图, 如图 7 所示, 若当前驻留在 GSM制式下, 上述切换方法可以包括以下步骤: 步骤 S702: 驻留在 GSM制式上, 若数据带宽不足, 无语音, 定时器未运行, 跳 至 S704。 步骤 S704: 向 LTE尝试驻留, 若驻留成功, 跳至 S710, 若不成功, 跳至 S706。 步骤 S706: 在 TD上进行驻留, 若驻留成功, 跳至 S712; 若不成功, 跳至 S708。 步骤 S708: 启动数据切换定时器, 跳至 S702。 步骤 S710: 驻留在 LTE制式上, 停止定时器, 计数器回 0。 步骤 S712: 驻留在 TD制式上, 停止定时器, 计数器回 0。 图 8是根据本发明优选实施例的 TD制式下的切换方法的流程示意图, 如图 8所 示, 若当前驻留在 TD制式下, 上述切换方法可以包括以下步骤: 步骤 S802: 驻留在 TD制式上, 若数据带宽不足, 无语音, 定时器未运行, 跳至
S804。 步骤 S804: 向 LTE尝试驻留, 若驻留成功, 跳至 S808, 若不成功, 跳至 S806。 步骤 S806: 启动数据切换定时器, 跳至 S802。 步骤 S808: 驻留在 LTE制式上, 停止定时器, 计数器回 0。 图 9是根据本发明优选实施例的定时器计数器运行及设置方法的流程示意图, 如 图 9所示, 该方法可以包括以下步骤: 步骤 S902: TD/GSM制式下, 数据带宽不足, 向更高带宽的制式切换失败, 若失 败次数小于 5, 跳至 S904, 否则跳至 S906。 步骤 S904: 启动数据切换定时器, 时长为 5分钟, 计数器增 1, 跳至 S908。 步骤 S906: 启动数据切换定时器, 时长为 1小时, 计数器置 0, 跳至 S908。 步骤 S908: 数据切换定时器超时, 跳至 S902。 使用这种选取制式的方法, 可以根据当前制式下的 PS 数据带宽是否能满足当前 的数据业务需要来进行制式间切换, 从而避免了在 GSM, TD, LTE三个制式网络并 存的情况下, 长时间驻留在数据带宽较低的制式, 严重影响用户体验, 并且有效避免 了当用户数据业务量较小,而语音业务较为频繁时,从 LTE制式和 TD/GSM间频繁切 换的问题。 从以上的描述中, 可以看出, 本发明实现了如下技术效果: 在检测到多模终端当 前所处制式网络提供的数据带宽不满足当前的数据业务所需的数据带宽时, 将该多模 终端由当前所在制式向具有更高数据带宽的制式进行切换, 从而能够根据多模终端需 求的数据带宽来确定是否进行制式切换, 而在现有技术中通过对信号质量的判断来进 行不同制式间的切换, 会出现当前所处制式网络符合终端要求时仍无法满足用户数据 业务需求的情况, 而在本实施例中通过对数据带宽是否满足终端业务需求的判断来进 行不同制式间的切换, 解决了 UE当前信号质量符合要求但仍无法满足用户数据业务 的需求的问题, 从而有效地满足了用户数据业务的需求, 提高了用户体验。 在另外一个实施例中, 还提供了一种软件, 该软件用于执行上述实施例及优选实 施例中描述的技术方案。 在另外一个实施例中, 还提供了一种存储介质, 该存储介质中存储有上述软件, 该存储介质包括但不限于光盘、 软盘、 硬盘、 可擦写存储器等。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所 组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码来实现, 从而, 可以 将它们存储在存储装置中由计算装置来执行, 并且在某些情况下, 可以以不同于此处 的顺序执行所示出或描述的步骤, 或者将它们分别制作成各个集成电路模块, 或者将 它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任 何特定的硬件和软件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1. 一种制式切换方法, 包括:
检测多模终端当前所处制式网络提供的数据带宽是否满足当前的数据业务 所需的数据带宽, 其中, 所述多模终端为支持多种制式的终端;
在所述多模终端当前所处制式网络提供的数据带宽不满足当前的数据业务 所需的数据带宽的情况下, 将所述多模终端由当前所在制式向比所述当前所在 制式具有更高数据带宽的制式进行切换。
2. 根据权利要求 1所述的方法, 其中, 检测所述多模终端当前所处制式网络提供 的数据带宽是否满足当前的数据业务所需的数据带宽包括:
检测多模终端的数据缓冲区的数据量是否超过预定的阈值, 其中, 所述数 据缓冲区用于缓存从所述多模终端发送的数据业务的数据;
在所述数据缓冲区的数据量超过所述阈值的情况下, 确定所述多模终端当 前所处制式网络提供的数据带宽不满足当前的数据业务所需的数据带宽。
3. 根据权利要求 1所述的方法, 其中, 在所述多模终端当前所处制式网络提供的 数据带宽不满足当前的数据业务所需的数据带宽的情况下, 将所述多模终端由 当前所在制式向比所述当前所在制式具有更高数据带宽的制式进行切换包括: 通过搜网模块对所述多模终端能够进行切换的制式进行搜索; 优先选择在搜索到的所述能够进行切换的制式中数据带宽最高的制式进行 切换。
4. 根据权利要求 1至 3中任一项所述的方法, 其中, 将所述多模终端由当前所在 制式向比所述当前所在制式具有更高数据带宽的制式进行切换包括:
判断所述多模终端当前是否使用语音业务;
在判断为否的情况下, 将所述多模终端由当前所在制式向比所述当前所在 制式具有更高数据带宽的制式进行切换。
5. 根据权利要求 1至 3中任一项所述的方法, 其中, 在将所述多模终端由当前所 在制式向比所述当前所在制式具有更高数据带宽的制式进行切换之后,还包括, 在向所有比所述当前所在制式具有更高数据带宽的制式进行切换失败的情况 下, 设置第一预定时长, 在超过所述第一预定时长时, 将所述多模终端由当前 所在制式再向比所述当前所在制式具有更高数据带宽的制式进行切换。 根据权利要求 5所述的方法, 其中, 还包括, 对向所有比所述当前所在制式具 有更高数据带宽的制式进行切换失败的情况进行计数, 在计数值达到预定数值 的情况下, 设置第二预定时长, 在超过所述第二预定时长时, 将所述多模终端 由当前所在制式再向比所述当前所在制式具有更高数据带宽的制式进行切换, 其中, 所述第二预定时长大于所述第一预定时长。 一种制式切换装置, 包括:
检测模块, 设置为检测多模终端当前所处制式网络提供的数据带宽是否满 足当前的数据业务所需的数据带宽, 其中, 所述多模终端为支持多种制式的终
¾ ;
切换模块, 设置为在所述检测模块检测出所述多模终端当前所处制式网络 提供的数据带宽不满足当前的数据业务所需的数据带宽的情况下, 将所述多模 终端由当前所在制式向比所述当前所在制式具有更高数据带宽的制式进行切 换。 根据权利要求 7所述的装置, 其中, 所述检测模块还设置为检测多模终端的数 据缓冲区的数据量是否超过预定的阈值, 其中, 所述数据缓冲区用于缓存从所 述多模终端发送的数据业务的数据; 在所述数据缓冲区的数据量超过所述阈值 的情况下, 确定所述多模终端当前所处制式网络提供的数据带宽不满足当前的 数据业务所需的数据带宽。 根据权利要求 7所述的装置, 其中, 所述切换模块包括: 搜网模块, 设置为对所述多模终端能够进行切换的制式进行搜索; 所述切换模块, 还设置为优先选择在搜索到的所述能够进行切换的制式中 数据带宽最高的制式进行切换。 根据权利要求 7至 9中任一项所述的装置, 其中, 所述切换模块还包括: 判断单元, 设置为判断所述多模终端当前是否使用语音业务;
所述切换模块, 还设置为在所述判断单元的判断结果为否的情况下, 将所 述多模终端由当前所在制式向比所述当前所在制式具有更高数据带宽的制式进 行切换。
11. 根据权利要求 7至 9中任一项所述的装置, 其中, 所述装置还包括: 设置模块, 设置为所述切换模块在向所有比所述当前所在制式具有更高数 据带宽的制式进行切换失败的情况下, 设置第一预定时长;
所述切换模块, 还设置为在超过所述第一预定时长时, 将所述多模终端由 当前所在制式再向比所述当前所在制式具有更高数据带宽的制式进行切换。
12. 根据权利要求 11所述的装置, 其中, 所述装置还包括:
计数模块, 设置为对向所有比所述当前所在制式具有更高数据带宽的制式 进行切换失败的情况进行计数;
所述设置模块, 还设置为在计数值达到预定数值的情况下, 设置第二预定 时长;
所述切换模块, 还设置为在超过所述第二预定时长时, 将所述多模终端由 当前所在制式再向比所述当前所在制式具有更高数据带宽的制式进行切换, 其 中, 所述第二预定时长大于所述第一预定时长。
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