WO2013091223A1 - 切换基站的方法、基站控制器和移动终端 - Google Patents
切换基站的方法、基站控制器和移动终端 Download PDFInfo
- Publication number
- WO2013091223A1 WO2013091223A1 PCT/CN2011/084463 CN2011084463W WO2013091223A1 WO 2013091223 A1 WO2013091223 A1 WO 2013091223A1 CN 2011084463 W CN2011084463 W CN 2011084463W WO 2013091223 A1 WO2013091223 A1 WO 2013091223A1
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- WIPO (PCT)
- Prior art keywords
- base station
- configuration mode
- mobile terminal
- wireless configuration
- preset threshold
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000004044 response Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
Definitions
- the present invention relates to the field of mobile communications, and in particular, to a method for switching a base station, a base station controller, and a mobile terminal. Background technique
- RC Radio configuration
- a physical channel configuration of a CDMA radio signal such as a transmission rate, a modulation scheme, and an extension. Frequency factor, etc.
- wireless configuration includes: Forward Radio Configuration (Forward Radio Configuration) and Reverse Radio Configuration (Reverse Radio Configuration), of which there are 12 forward wireless configurations.
- Forward Radio Configuration Forward Radio Configuration
- Reverse Radio Configuration Reverse Radio Configuration
- the process mainly includes: the mobile terminal establishes a call at the first base station, and works in the wireless configuration mode provided by the first base station.
- the mobile terminal switches to the second base station in a soft handover manner, and works in the wireless provided by the second base station and is the same as the wireless configuration mode provided by the first base station. In configuration mode.
- the mobile terminal Since the mobile terminal operates in the same wireless configuration mode when the mobile terminal is handed over from the first base station to the second base station, if the mobile terminal operates in the low-capacity wireless configuration mode at the first base station, the mobile terminal switches to the second base station. It will also work in the low-capacity wireless configuration mode; however, if the second base station supports the high-capacity wireless configuration mode, it will still operate in the low-capacity wireless configuration mode after the mobile terminal switches to the second base station, thereby lowering the second base station. Capacity.
- the embodiments of the present invention provide a base station handover method, a base station controller, and a mobile terminal, which can improve the capacity of the base station.
- an embodiment of the present invention provides a method for switching a base station, including: detecting, by a base station controller, a mobile terminal switching from a low-configuration first base station to a high-configuration second base station; The base station controller instructs the mobile terminal to switch the wireless configuration mode with the second base station to a high capacity wireless configuration mode.
- the embodiment of the present invention further provides a method for switching a base station, including:
- the mobile terminal switches the wireless configuration mode with the second base station to a high-capacity wireless configuration mode in response to the first message.
- an embodiment of the present invention further provides a base station controller, including:
- a detecting module configured to detect that the mobile terminal supporting the high wireless configuration switches from the low configuration first base station to the high configuration second base station;
- an indication module configured to indicate that the mobile terminal switches the wireless configuration mode with the second base station to a high-capacity wireless configuration mode.
- an embodiment of the present invention further provides a mobile terminal, including:
- a receiving module configured to receive a first message sent by the base station controller, where the first message is used to indicate that the wireless terminal switches the wireless configuration mode between the mobile terminal and the second base station from a low-capacity wireless configuration mode to a high-capacity Wireless configuration mode;
- a wireless configuration mode switching module configured to switch the wireless configuration mode with the second base station to a high-capacity wireless configuration mode in response to the first message.
- the base station controller instructs the mobile terminal to switch the wireless configuration mode with the second base station to the high-capacity wireless configuration mode.
- the base station controller instructs the mobile terminal to switch the wireless configuration mode with the second base station to the high-capacity wireless configuration mode.
- FIG. 1 is a schematic flowchart of a first embodiment of a method for switching a base station according to the present invention
- 2 is a schematic flowchart of a second embodiment of a method for switching a base station according to the present invention
- FIG. 3 is a schematic flowchart of a third embodiment of a method for switching a base station according to the present invention
- FIG. 4 is a schematic diagram of a mobile terminal of the present invention being switched from a first base station to a second base station;
- FIG. 7 is a schematic structural diagram of a first embodiment of a base station controller according to the present invention.
- FIG. 8 is a schematic structural diagram of a second embodiment of a base station controller according to the present invention.
- FIG. 9 is a schematic structural diagram of an embodiment of a mobile terminal of the present invention. detailed description
- FIG. 1 is a schematic flowchart of a first embodiment of a method for switching a base station according to the present invention, the method includes:
- Step S11 The base station controller detects that the mobile terminal switches from the low configuration first base station to the high configuration second base station.
- the mobile terminal in step S11 can be handed over from the first base station to the second base station by using a soft handover manner. Since the first base station is a low-configuration base station, the wireless configuration mode between the mobile terminal and the first base station is a low-capacity wireless configuration mode; when the mobile terminal is handed over from the first base station to the second base station, although the second base station supports high The wireless configuration mode of capacity, but the wireless configuration mode between the mobile terminal and the second base station is still a low-capacity wireless configuration mode.
- the higher the order of the wireless configuration the larger the capacity, for example: Compared with the forward RC11, the order 11 of the RC11 is higher than the order 3 of the RC3, so the RC11 is compared to the RC3. With higher capacity, RC11 is a high-capacity wireless configuration relative to RC3. It should be noted that the process of the mobile terminal switching from one base station to another base station is obvious to those skilled in the art, and details are not described herein.
- Step S12 The base station controller instructs the mobile terminal to switch the wireless configuration mode with the second base station to a high-capacity wireless configuration mode.
- the mobile terminal since the mobile terminal switches to the second base station, it still uses the same low-capacity wireless configuration mode as the first base station (only the low-capacity wireless configuration at this time is provided by the second base station), but the second base station is highly configured.
- a base station which can provide a high-capacity wireless configuration, so step S12 can be moved
- the terminal sends a handover indication message of the wireless configuration mode, indicating that the mobile terminal is switched from the low-capacity wireless configuration mode to the high-capacity wireless configuration mode, thereby fully utilizing the wireless configuration resources of the second base station and increasing the capacity of the second base station.
- the mobile terminal should also be able to support the high-capacity wireless configuration mode.
- the base station controller instructs the mobile terminal to switch the wireless configuration mode with the second base station to the high-capacity wireless configuration mode, thereby avoiding
- the mobile terminal still uses the low-capacity wireless configuration mode under the second base station, which improves the capacity of the second base station.
- FIG. 2 it is a schematic flowchart of a second embodiment of a method for switching a base station according to the present invention.
- the method includes:
- Step S21 The base station controller detects that the mobile terminal switches from the low configuration first base station to the high configuration second base station.
- This step is the same as step S11 in FIG. 1, and will not be described here.
- Step S22 The base station controller determines whether the load of the second base station is higher than a preset threshold.
- the base station controller may detect the transmit power of the carrier frequency of the second base station, the RSSI (Received Signal Strength Indication) value, the walsh code usage rate, the number of users, the equivalent number of users, or the like. At least one of the number of effective channels to determine whether the load of the second base station is higher than a preset threshold.
- the base station controller detects that the transmit power on the carrier frequency of the second base station is greater than a first preset threshold, and when the received signal strength of the second base station indicates that the RSSI value is greater than a second preset threshold, The usage of the Walsh Walsh code of the second base station is greater than a third preset threshold, when the number of users of the second base station is greater than a fourth preset threshold, and the number of equivalent users of the second base station is greater than The five preset thresholds or when one or more of the equivalent number of channels of the second base station are greater than the sixth preset threshold are established, determining that the load of the second base station is higher than a preset threshold.
- step S23 when the base station controller determines that the load of the second base station is higher than the preset threshold, step S23 is performed; when the base station controller determines that the load of the second base station is lower than the preset threshold, the current wireless configuration of the mobile terminal may be maintained. mode.
- Step S23 The base station controller instructs the mobile terminal to switch the wireless configuration mode with the second base station to a high-capacity wireless configuration mode, and ends the process.
- step S12 in FIG. 1 This step is the same as step S12 in FIG. 1 and will not be described here.
- the base station controller of the embodiment instructs to switch the wireless configuration mode between the mobile terminal and the second base station to a high-capacity wireless configuration mode, thereby improving the wireless of the mobile terminal.
- the configuration mode achieves the purpose of increasing the capacity of the base station, thereby reducing the load on the base station.
- FIG. 3 it is a schematic flowchart of a third embodiment of a method for switching a base station according to the present invention.
- the method includes:
- Step S31 The mobile terminal receives a first message sent by the base station controller, where the first message is used to indicate that the mobile terminal switches the wireless configuration mode with the second base station from a low-capacity wireless configuration mode to a high-capacity Wireless configuration mode.
- the first message received by the mobile terminal may be sent when the base station controller detects that the load of the second base station is higher than a preset threshold.
- Step S32 The mobile terminal switches the wireless configuration mode with the second base station to a high-capacity wireless configuration mode in response to the first message.
- the mobile terminal since the mobile terminal switches the wireless configuration mode with the second base station from the low-capacity wireless configuration mode to the high-capacity wireless configuration mode, the second base station capacity is improved.
- FIG. 4-6 is a schematic diagram of a process for a mobile terminal of the present invention to switch from a first base station to a second base station, which mainly includes:
- the mobile terminal 4 establishes a call in the first base station 5 and operates in a wireless configuration mode provided by the first base station 5, the wireless configuration mode being forward RC3 and reverse RC3.
- the mobile terminal 4 moves along the coverage of the second base station 6 in the direction of the arrow in the figure.
- the mobile terminal 4 searches for the second base station.
- the pilot signal of 6 is measured and the pilot signal of the second base station 6 is measured to obtain a pilot signal strength measurement report; the mobile terminal 4 transmits the measured pilot signal strength measurement report to the base station controller 7.
- the base station controller 7 analyzes the pilot signal strength measurement report and finds that if the mobile terminal 4 is served by the second base station 6, a better call quality will be obtained, so the base controller 7 transmits a handover indication message to the mobile terminal 4 to guide the mobile terminal. 4 Switch to the second base station 6. After receiving the handover indication message, the mobile terminal 4 establishes a connection with the second base station 6 while maintaining the connection with the first base station 5; after the connection establishment of the mobile terminal 4 and the second base station 6 is completed, the disconnection and the The connection of a base station 5 is implemented to switch to the second base station 6 in a soft handover manner.
- FIG. 5 A schematic diagram of the mobile terminal 4 after switching to the second base station 6 is shown in FIG. 5.
- the wireless configuration mode of the second base station 6 is forward RC11 and reverse RC8, but the mobile terminal 4 still works in the wireless configuration mode of the forward RC3 and the reverse RC3.
- the forward RC11 is higher in level than the forward RC3, it is compatible with the forward RC3, and the reverse RC8 is higher in level than the reverse RC3, so it can be compatible with the reverse RC3.
- the base station controller 7 detects that the load of the second base station 6 is higher than a preset threshold, the first message is sent to the mobile terminal 4, where the first message is used to indicate that the mobile terminal is switched by the low-capacity wireless configuration mode. Configure mode for high-capacity wireless.
- the mobile terminal 4 switches from the low-capacity wireless configuration mode to the high-capacity wireless configuration mode in response to the first message, that is, the wireless configuration mode is switched from the forward RC3 and the reverse RC3 to the forward RC11 and the reverse RC8; for example: the mobile terminal 4 can The wireless configuration mode is switched from the forward RC3 and the reverse RC3 to the forward RC11 and the reverse RC8 by means of hard handover, that is, the mobile terminal 4 is first disconnected from the second base station 6 (instantly disconnected), and then again The second base station 6 establishes a connection and uses the forward RC11 and the reverse RC8 when establishing the connection.
- the schematic diagram of the mobile terminal 4 after switching to the forward RC11 and the reverse RC8 is as shown in FIG. 6.
- the base station controller 7 includes:
- the detecting module 71 is configured to detect that the mobile terminal switches from the low configuration first base station to the high configuration second base station.
- the mobile terminal may be handed over from the first base station to the second base station by using a soft handover manner. Since the first base station is a low-configuration base station, the wireless configuration mode between the mobile terminal and the first base station is a low-capacity wireless configuration mode; when the mobile terminal is handed over from the first base station to the second base station, although the second base station supports high The wireless configuration mode of capacity, but the wireless configuration mode between the mobile terminal and the second base station is still a low-capacity wireless configuration mode.
- the higher the order of the wireless configuration the larger the capacity, for example: Compared with the forward RC11 and the forward RC11, since the order 11 of the RC11 is higher than the order 3 of the RC3, the RC11 is compared with The RC3 has a higher capacity.
- the indicating module 72 is configured to indicate that the mobile terminal switches the wireless configuration mode with the second base station to a high-capacity wireless configuration mode.
- the mobile terminal since the mobile terminal switches to the second base station, it still uses the same low-capacity wireless configuration mode as the first base station (only the low-capacity wireless configuration at this time is provided by the second base station), but the second base station is highly configured.
- the base station which can provide a high-capacity wireless configuration, so the indication module 72 can send a handover indication message of the wireless configuration mode to the mobile terminal, indicating that the mobile terminal is switched from the low-capacity wireless configuration mode to the high-capacity wireless configuration mode, thereby fully utilizing
- the wireless configuration resource of the second base station increases the capacity of the second base station. It should be noted that the mobile terminal should also be able to support the high-capacity wireless configuration mode.
- the base station controller 7 instructs the mobile terminal to switch the wireless configuration mode with the second base station to the high-capacity wireless configuration mode, thereby avoiding
- the mobile terminal still uses the low-capacity wireless configuration mode under the second base station, which improves the capacity of the second base station.
- FIG. 8 is a schematic structural diagram of a second embodiment of a base station controller according to the present invention.
- the base station controller 7 includes:
- the detecting module 71 is configured to detect that the mobile terminal switches from the low configuration first base station to the high configuration second base station.
- the detection module 71 in FIG. 8 is the same as the detection module 71 in FIG. 7, and will not be described herein.
- the determining module 73 is configured to determine whether the load of the second base station is higher than a preset threshold.
- the determining module 73 may detect the transmit power of the carrier frequency of the second base station, the RSSI (Received Signal Strength Indication) value, the walsh code usage rate, the number of users, the equivalent number of users, or the like. At least one of the number of effective channels to determine whether the load of the second base station is higher than a preset threshold.
- RSSI Receiveived Signal Strength Indication
- the determining module 73 detects that the transmit power on the carrier frequency of the second base station is greater than the first preset threshold, and when the received signal strength of the second base station indicates that the RSSI value is greater than the second preset threshold, The usage of the Walsh Walsh code of the second base station is greater than a third preset threshold, when the number of users of the second base station is greater than a fourth preset threshold, and the number of equivalent users of the second base station is greater than The determining module 73 determines that the load of the second base station is higher than the preset threshold value or when one or more of the equivalent number of channels of the second base station are greater than the sixth preset threshold. Preset threshold.
- the indication module 72 is configured to, when the determination result of the determining module 73 is YES, instruct the mobile terminal to switch the wireless configuration mode with the second base station to a high-capacity wireless configuration mode.
- the instructing module 72 does not perform an operation of instructing the mobile terminal to switch the wireless configuration mode with the second base station to the high-capacity wireless configuration mode, that is, maintaining the mobile The wireless configuration mode of the terminal.
- the mobile terminal when the load of the second base station is higher than the preset threshold, the mobile terminal is instructed to switch the wireless configuration mode with the second base station to a high-capacity wireless configuration mode, thereby increasing the wireless configuration mode of the mobile terminal.
- Base station capacity which in turn reduces the load on the base station.
- FIG. 9 is a schematic structural diagram of an embodiment of a mobile terminal according to the present invention.
- the mobile terminal 4 includes:
- the receiving module 41 is configured to receive a first message sent by the base station controller, where the first message is used to The wireless configuration mode between the mobile terminal and the second base station is switched from a low-capacity wireless configuration mode to a high-capacity wireless configuration mode.
- the first message received by the receiving module 41 may be sent when the base station controller detects that the load of the second base station is higher than a preset threshold.
- the wireless configuration mode switching module 62 is configured to switch the wireless configuration mode with the second base station to a high-capacity wireless configuration mode in response to the first message.
- the mobile terminal since the mobile terminal switches the wireless configuration mode with the second base station from the low-capacity wireless configuration mode to the high-capacity wireless configuration mode, the second base station capacity is improved.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
Abstract
本发明实施例公开了一种切换基站的方法，包括：基站控制器检测移动终端从低配置第一基站切换到高配置第二基站；所述基站控制器指示所述移动终端将与所述第二基站之间的无线配置模式切换成高容量无线配置模式。本发明实施例还公开了一种基站控制器和移动终端。采用本发明实施例，可以提高基站的容量。
Description
切换基站的方法、 基站控制器和移动终端 技术领域
本发明涉及移动通信领域， 尤其涉及一种切换基站的方法、 基站控制器和 移动终端。 背景技术
目前， 在移动通信系统中， 例如 CDMA ( Code Division Multiple Access , 码 分多址） 系统中， RC(Radio configuration, 无线配置)定义了 CDMA无线信号的 物理信道配置， 如传输速率、 调制方式和扩频因子等； 在 CDMA中， 无线配置 包括： 前向无线配置（Forward Radio Configuration, 前向无线配置 ）和反向无 线配置 （Reverse Radio Configuration, 反向无线配置）， 其中前向无线配置共 有 12种： 1 ~ 12 , 反向无线配置共有 8种： 1 ~ 8； 其中， 前向是指由基站到移 动终端， 反向是指由移动终端到基站。
目前， 移动终端由一个基站的覆盖范围移动到另一个基站的覆盖范围时， 需要进行基站的切换， 该过程主要包括： 移动终端在第一基站建立呼叫， 工作 在第一基站提供的无线配置模式下； 当移动终端由第一基站移动到第二基站时， 移动终端以软切换的方式切换到第二基站， 并且工作在第二基站提供的且与第 一基站提供的无线配置模式相同的无线配置模式下。 由于移动终端由第一基站 切换到第二基站时， 移动终端工作在相同的无线配置模式下， 因此若移动终端 在第一基站时工作在低容量无线配置模式下， 移动终端切换到第二基站时也将 工作在低容量无线配置模式下； 但是， 若第二基站支持高容量无线配置模式， 那么将由于移动终端切换到第二基站后仍然工作在低容量无线配置模式， 从而 降低第二基站的容量。
发明内容
本发明实施例提供了一种基站切换方法、 基站控制器和移动终端， 可以提 高基站的容量。
为了解决上述技术问题， 本发明实施例提供了一种切换基站的方法， 包括： 基站控制器检测移动终端从低配置第一基站切换到高配置第二基站；
所述基站控制器指示所述移动终端将与所述第二基站之间的无线配置模式 切换成高容量无线配置模式。
相应地， 本发明实施例还提供了一种切换基站的方法， 包括：
移动终端接收基站控制器发送的第一消息， 所述第一消息用于指示所述移 动终端将与所述第二基站之间的无线配置模式切换由低容量无线配置模式切换 为高容量无线配置模式；
所述移动终端响应所述第一消息， 将与所述第二基站之间的无线配置模式 切换为高容量无线配置模式。
相应地， 本发明实施例还提供了一种基站控制器， 包括：
检测模块， 用于检测支持高无线配置的移动终端从低配置第一基站切换到 高配置第二基站；
指示模块， 用于指示所述移动终端将与所述第二基站之间的无线配置模式 切换成高容量无线配置模式。
相应地， 本发明实施例还提供了一种移动终端， 包括：
接收模块， 用于接收基站控制器发送的第一消息， 所述第一消息用于指示 所述移动终端将与所述第二基站之间的无线配置模式由低容量无线配置模式切 换为高容量无线配置模式；
无线配置模式切换模块， 用于响应所述第一消息， 将与所述第二基站之间 的无线配置模式切换为高容量无线配置模式。
实施本发明实施例， 具有如下有益效果：
本发明实施例由于当移动终端由低配置的第一基站切换到高配置的第二基 站后， 基站控制器指示移动终端将与第二基站之间的无线配置模式切换为高容 量无线配置模式， 从而提高第二基站的容量。 附图说明 例或现有技术描述中所需要使用的附图作筒单地介绍， 显而易见地， 下面描述 中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付 出创造性劳动性的前提下， 还可以根据这些附图获得其他的附图。
图 1为本发明的切换基站的方法的第一实施例的流程示意图；
图 2为本发明的切换基站的方法的第二实施例的流程示意图； 图 3为本发明的切换基站的方法的第三实施例的流程示意图；
图 4- 6是本发明的移动终端由第一基站切换为第二基站的示意图； 图 7为本发明的基站控制器的第一实施例的结构示意图；
图 8为本发明的基站控制器的第二实施例的结构示意图；
图 9是本发明的移动终端的实施例的结构示意图。 具体实施方式
下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行清 楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是 全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没有作出创造 性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。
请参考图 1 , 是本发明的切换基站的方法的第一实施例的流程示意图， 所述 方法包括：
步骤 S11 ,基站控制器检测移动终端从低配置第一基站切换到高配置第二基 站。
其中， 步骤 S11 中移动终端可以采用软切换的方式由第一基站切换到第二 基站。 由于第一基站为低配置的基站， 因此移动终端与第一基站之间的无线配 置模式为低容量无线配置模式； 当移动终端由第一基站切换到第二基站时， 虽 然第二基站支持高容量的无线配置模式， 但移动终端与第二基站之间的无线配 置模式仍为低容量的无线配置模式。 在实际中， 通常无线配置的阶数越高， 其 容量越大， 例如： 前向 RC3和前向 RC11相比， 由于 RC11的阶数 11比 RC3的 阶数 3高， 因此 RC11相比于 RC3具有更高的容量， 即 RC11相对于 RC3是高 容量的无线配置。 需要说明的是， 移动终端由一个基站切换到另一个基站的过 程对本领域技术人员是显而易见的， 在此不赘述。
步骤 S12,所述基站控制器指示所述移动终端将与所述第二基站之间的无线 配置模式切换为高容量无线配置模式。
其中， 由于移动终端切换到第二基站时， 其仍然使用与第一基站相同的低 容量无线配置模式（只是此时的低容量无线配置由第二基站提供）， 然而第二基 站为高配置的基站， 其可以提供高容量的无线配置， 因此步骤 S12可以向移动
终端发送无线配置模式的切换指示消息， 指示移动终端由低容量的无线配置模 式切换成高容量的无线配置模式， 从而充分利用第二基站的无线配置资源、 提 高第二基站的容量。 需要说明的是， 此处移动终端应该也能够支持高容量的无 线配置模式。
本实施例由于移动终端从低配置的第一基站切换到高配置的第二基站后， 基站控制器指示移动终端将与第二基站之间的无线配置模式切换成高容量无线 配置模式， 避免了移动终端在第二基站下仍然使用低容量的无线配置模式， 提 高了第二基站的容量。
请参考图 2, 是本发明的切换基站的方法的第二实施例的流程示意图， 所述 方法包括：
步骤 S21 ,基站控制器检测移动终端从低配置第一基站切换到高配置第二基 站。
此步骤与图 1中步骤 S11相同， 在此不赘述。
步骤 S22 , 所述基站控制器判断所述第二基站的负荷是否高于预设门限。 其中，基站控制器可以通过检测第二基站的载频的发射功率、 RSSI( Received Signal Strength Indication, 接收信号强度）值、 walsh (沃尔什）码使用率、 用户 数、 等效用户数或等效信道数中的至少一项， 以判断第二基站的负荷是否高于 预设的门限。
具体地， 当基站控制器检测到所述第二基站的载频上的发射功率大于第一 预设门限、 当所述第二基站的接收信号强度指示 RSSI值大于第二预设门限、 当 所述第二基站的沃尔什 Walsh码使用率大于第三预设门限、 当所述第二基站的 用户数大于第四预设门限值、 当所述第二基站的等效用户数大于第五预设门限 值或当所述第二基站的等效信道数大于第六预设门限中的一项或多项成立时， 判断所述第二基站的负荷高于预设门限。
进一步地， 当基站控制器判断第二基站的负荷高于预设门限时， 执行步骤 S23; 当基站控制器判断第二基站的负荷低于预设门限时， 可以保持移动终端的 当前的无线配置模式。
步骤 S23 ,所述基站控制器指示所述移动终端将与所述第二基站之间的无线 配置模式切换成高容量无线配置模式， 结束流程。
此步骤与图 1中步骤 S12相同， 在此不赘述。
本实施例的基站控制器在第二基站的负荷高于预设门限时， 指示将移动终 端与第二基站之间的无线配置模式切换为高容量的无线配置模式， 从而通过提 高移动终端的无线配置模式达到增加基站容量， 进而降低基站负荷的目的。
请参考图 3 , 是本发明的提供的切换基站的方法的第三实施例的流程示意 图， 所述方法包括：
步骤 S31 ,移动终端接收基站控制器发送的第一消息， 所述第一消息用于指 示所述移动终端将与所述第二基站之间的无线配置模式由低容量无线配置模式 切换为高容量无线配置模式。
其中， 移动终端接收的第一消息可以是在基站控制器检测到第二基站的负 荷高于预设的门限时发送的。
步骤 S32, 所述移动终端响应所述第一消息，将与所述第二基站之间的无线 配置模式切换为高容量无线配置模式。
本实施例由于移动终端将与第二基站的无线配置模式由低容量无线配置模 式切换为高容量无线配置模式， 从而提高了第二基站容量。
请参考图 4-6, 是本发明的移动终端从第一基站切换到第二基站的过程示意 图， 其主要包括：
在图 4中， 移动终端 4在第一基站 5内建立呼叫， 并工作在第一基站 5提 供的无线配置模式下， 该无线配置模式为前向 RC3和反向 RC3。 移动终端 4在 通话过程中， 沿着图示中箭头的方向第二基站 6 的覆盖范围移动， 当移动到第 一基站 4和第二基站 6的边界处时， 移动终端 4搜索到第二基站 6的导频信号， 并对第二基站 6的导频信号进行测量， 得到导频信号强度测量报告； 移动终端 4 将测得的导频信号强度测量报告发送给基站控制器 7。基站控制器 7分析导频信 号强度测量报告， 发现如果移动终端 4由第二基站 6提供服务， 将获得更好地 通话质量， 因此基控制器 7向移动终端 4发送切换指示消息， 引导移动终端 4 切换到第二基站 6。移动终端 4接收到切换指示消息后， 在保持与第一基站 5的 连接的同时， 建立与第二基站 6的连接； 当移动终端 4与第二基站 6的连接建 立完成后， 断开与第一基站 5的连接， 实现以软切换的方式切换到第二基站 6。
移动终端 4切换到第二基站 6后的示意图如图 5所示， 在图 5中当移动终 端 6切换到第二基站 6后，虽然第二基站 6的无线配置模式为前向 RC11和反向 RC8, 但移动终端 4仍然工作在前向 RC3和反向 RC3的无线配置模式下。 需要
说明的是， 由于前向 RC11比前向 RC3的级别更高， 因此能够兼容前向 RC3 , 反向 RC8比反向 RC3的级别更高， 因此能够兼容反向 RC3。
在图 5中， 若基站控制器 7检测到第二基站 6的负荷高于预设门限时， 向 移动终端 4发送第一消息， 该第一消息用于指示移动终端由低容量无线配置模 式切换为高容量无线配置模式。 移动终端 4响应第一消息， 由低容量无线配置 模式切换为高容量无线配置模式， 即将无线配置模式由前向 RC3和反向 RC3切 换为前向 RC11和反向 RC8; 例如： 移动终端 4可以采用硬切换的方式将无线配 置模式由前向 RC3和反向 RC3切换为前向 RC11和反向 RC8, 也就是移动终端 4首先与第二基站 6断开（瞬间断开）， 然后再与第二基站 6建立连接， 且在建 立连接时使用前向 RC11和反向 RC8。移动终端 4切换到前向 RC11和反向 RC8 后的示意图如图 6所示。
请参考图 7, 是本发明的基站控制器的第一实施例的结构示意图， 所述基站 控制器 7包括：
检测模块 71 ,用于检测移动终端从低配置第一基站切换到高配置第二基站。 其中， 移动终端可以采用软切换的方式由第一基站切换到第二基站。 由于 第一基站为低配置的基站， 因此移动终端与第一基站之间的无线配置模式为低 容量无线配置模式； 当移动终端由第一基站切换到第二基站时， 虽然第二基站 支持高容量的无线配置模式， 但移动终端与第二基站之间的无线配置模式仍为 低容量的无线配置模式。 需要说明的是， 通常无线配置的阶数越高， 其容量越 大， 例如： 前向 RC3和前向 RC11相比， 由于 RC11的阶数 11比 RC3的阶数 3 高， 因此 RC11相比于 RC3具有更高的容量。
指示模块 72, 用于指示所述移动终端将与所述第二基站之间的无线配置模 式切换为高容量无线配置模式。
其中， 由于移动终端切换到第二基站时， 其仍然使用与第一基站相同的低 容量无线配置模式（只是此时的低容量无线配置由第二基站提供）， 然而第二基 站为高配置的基站， 其可以提供高容量的无线配置， 因此指示模块 72可以向移 动终端发送无线配置模式的切换指示消息， 指示移动终端由低容量的无线配置 模式切换成高容量的无线配置模式， 从而充分利用第二基站的无线配置资源、 提高第二基站的容量。 需要说明的是， 此处移动终端应该也能够支持高容量的 无线配置模式。
本实施例由于移动终端从低配置的第一基站切换到高配置的第二基站后， 基站控制器 7指示移动终端将与第二基站之间的无线配置模式切换成高容量无 线配置模式， 避免了移动终端在第二基站下仍然使用低容量的无线配置模式， 提高了第二基站的容量。
请参考图 8, 是本发明的基站控制器的第二实施例的结构示意图， 所述基站 控制器 7包括：
检测模块 71 ,用于检测移动终端从低配置第一基站切换到高配置第二基站。 图 8中检测模块 71与图 7中检测模块 71相同， 在此不赘述。
判断模块 73 , 用于判断所述第二基站的负荷是否高于预设门限。
其中， 判断模块 73 可以通过检测第二基站的载频的发射功率、 RSSI ( Received Signal Strength Indication, 接收信号强度 )值、 walsh (沃尔什）码使 用率、 用户数、 等效用户数或等效信道数中的至少一项， 以判断第二基站的负 荷是否高于预设的门限。
具体地， 当判断模块 73检测到所述第二基站的载频上的发射功率大于第一 预设门限、 当所述第二基站的接收信号强度指示 RSSI值大于第二预设门限、 当 所述第二基站的沃尔什 Walsh码使用率大于第三预设门限、 当所述第二基站的 用户数大于第四预设门限值、 当所述第二基站的等效用户数大于第五预设门限 值或当所述第二基站的等效信道数大于第六预设门限中的一项或多项成立时， 所述判断模块 73将判断所述第二基站的负荷高于预设门限。
所述指示模块 72, 用于当所述判断模块 73的判断结果为是时， 指示所述移 动终端将与所述第二基站之间的无线配置模式切换成高容量无线配置模式。
可以理解的是， 当判断模块 73的判断结果为否时， 指示模块 72不执行指 示移动终端将与所述第二基站之间的无线配置模式切换成高容量无线配置模式 的操作， 即维持移动终端的无线配置模式。
本实施例在第二基站的负荷高于预设门限时， 指示移动终端将与第二基站 之间的无线配置模式切换为高容量的无线配置模式， 从而通过提高移动终端的 无线配置模式达到增加基站容量， 进而降低基站负荷的目的。
请参考图 9, 是本发明的提供的移动终端的实施例的结构示意图， 所述移动 终端 4包括：
接收模块 41 , 用于接收基站控制器发送的第一消息， 所述第一消息用于指
示所述移动终端将与所述第二基站之间的无线配置模式由低容量无线配置模式 切换为高容量无线配置模式。
具体地， 接收模块 41接收的第一消息可以是在基站控制器检测到第二基站 的负荷高于预设的门限时发送的
无线配置模式切换模块 62, 用于响应所述第一消息， 将与所述第二基站之 间的无线配置模式切换为高容量无线配置模式。
本实施例由于移动终端将与第二基站的无线配置模式由低容量无线配置模 式切换为高容量无线配置模式， 从而提高了第二基站容量。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程， 是可以通过计算机程序来指令相关的硬件来完成， 所述的程序可存储于一计算 机可读取存储介质中， 该程序在执行时， 可包括如上述各方法的实施例的流程。 其中， 所述的存储介质可为磁碟、 光盘、 只读存储记忆体（Read-Only Memory, ROM )或随机存储记忆体（Random Access Memory, RAM )等。
以上所揭露的仅为本发明较佳实施例而已， 当然不能以此来限定本发明之权利 范围， 本领域普通技术人员可以理解实现上述实施例的全部或部分流程， 并依 本发明权利要求所作的等同变化， 仍属于发明所涵盖的范围。
Claims
1、 一种切换基站的方法， 其特征在于， 包括：
基站控制器检测移动终端从低配置第一基站切换到高配置第二基站； 所述基站控制器指示所述移动终端将与所述第二基站之间的无线配置模式 切换成高容量无线配置模式。
2、 如权利要求 1所述的方法， 其特征在于， 在所述基站控制器将所述移动 终端与所述第二基站之间的无线配置模式切换成高容量无线配置模式之前， 还 包括：
所述基站控制器判断所述第二基站的负荷是否高于预设门限；
当所述第二基站的负荷高于所述预设门限时， 执行所述基站控制器指示所 述移动终端将与所述第二基站之间的无线配置模式切换成高容量无线配置模式 的步骤。
3、 如权利要求 2所述的方法， 其特征在于， 当所述第二基站的载频上的发 射功率大于第一预设门限、 当所述第二基站的接收信号强度指示 RSSI值大于第 二预设门限、 当所述第二基站的沃尔什 Walsh码使用率大于第三预设门限、 当 所述第二基站的用户数大于第四预设门限值、 当所述第二基站的等效用户数大 于第五预设门限值或当所述第二基站的等效信道数大于第六预设门限中的一项 或多项成立时， 所述基站控制器判断所述第二基站的负荷高于预设门限。
4、 一种切换基站的方法， 其特征在于， 包括：
移动终端接收基站控制器发送的第一消息， 所述第一消息用于指示所述移 动终端将与所述第二基站之间的无线配置模式由低容量无线配置模式切换为高 容量无线配置模式；
所述移动终端响应所述第一消息， 将与所述第二基站之间的无线配置模式 切换为高容量无线配置模式。
5、 如权利要求 4所述的方法， 其特征在于， 所述移动终端接收基站控制器 发送的第一消息的步骤包括：
所述移动终端接收基站控制器在所述第二基站的负荷高于预设门限时发送 的所述第一消息。
6、 一种基站控制器， 其特征在于， 包括：
检测模块， 用于检测移动终端从低配置第一基站切换到高配置第二基站； 指示模块， 用于指示所述移动终端将与所述第二基站之间的无线配置模式 切换成高容量无线配置模式。
7、 如权利要求 6所述的基站控制器， 其特征在于， 还包括：
判断模块， 用于判断所述第二基站的负荷是否高于预设门限；
所述指示模块， 用于当所述第二基站的负荷高于所述预设门限时， 指示所 述无线配置模式切换模块执行将所述移动终端与所述第二基站之间的无线配置 模式切换为高容量无线配置模式。
8、 如权利要求 7所述的基站控制器， 其特征在于， 当所述第二基站的载频 上的发射功率大于第一预设门限、 当所述第二基站的接收信号强度指示 RSSI值 大于第二预设门限、 当所述第二基站的沃尔什 Walsh码使用率大于第三预设门 限、 当所述第二基站的用户数大于第四预设门限值、 当所述第二基站的等效用 户数大于第五预设门限值或当所述第二基站的等效信道数大于第六预设门限中 的一项或多项成立时， 所述判断模块判断所述第二基站的负荷高于预设门限。
9、 一种移动终端， 其特征在于， 包括：
接收模块， 用于接收基站控制器发送的第一消息， 所述第一消息用于指示 所述移动终端将与所述第二基站之间的无线配置模式由低容量无线配置模式切 换为高容量无线配置模式；
无线配置模式切换模块， 用于响应所述第一消息， 将与所述第二基站之间 的无线配置模式切换为高容量无线配置模式。
10、 如权利要求 9所述的移动终端， 其特征在于， 所述接收模块， 还用于 接收基站控制器在所述第二基站的负荷高于预设门限时发送的所述第一消息
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| EP1347662A1 (en) * | 2002-02-22 | 2003-09-24 | Lucent Technologies Inc. | Assignment of QoS within a radio access network |
| CN1913706A (zh) * | 2006-08-16 | 2007-02-14 | 华为技术有限公司 | 一种高速数据业务的切换方法和系统及其无线网络控制器 |
| CN101990265A (zh) * | 2010-11-17 | 2011-03-23 | 中兴通讯股份有限公司 | 切换基站方法及系统 |
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| US6519461B1 (en) * | 1999-10-29 | 2003-02-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel-type switching from a common channel to a dedicated channel based on common channel load |
| US7295536B2 (en) * | 2001-01-04 | 2007-11-13 | Ericsson Inc. | Systems and methods for soft handoff and other diversity communication using base stations supporting common radio configurations |
| US20060068789A1 (en) * | 2004-09-30 | 2006-03-30 | Rath Vannithamby | Radio configuration selection during inter-BS call handoff |
| CN100415041C (zh) * | 2004-12-17 | 2008-08-27 | 华为技术有限公司 | 一种动态调整码分多址系统通信质量的方法 |
| US7933602B1 (en) * | 2007-10-02 | 2011-04-26 | Sprint Spectrum L.P. | Method and system for controlling the rate of vertical handoff operations |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1347662A1 (en) * | 2002-02-22 | 2003-09-24 | Lucent Technologies Inc. | Assignment of QoS within a radio access network |
| CN1913706A (zh) * | 2006-08-16 | 2007-02-14 | 华为技术有限公司 | 一种高速数据业务的切换方法和系统及其无线网络控制器 |
| CN101990265A (zh) * | 2010-11-17 | 2011-03-23 | 中兴通讯股份有限公司 | 切换基站方法及系统 |
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| US9198087B2 (en) | 2015-11-24 |
| US20130171994A1 (en) | 2013-07-04 |
| CN102598787A (zh) | 2012-07-18 |
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