WO2012068806A1 - 载频处理方法及基站 - Google Patents
载频处理方法及基站 Download PDFInfo
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- WO2012068806A1 WO2012068806A1 PCT/CN2011/071832 CN2011071832W WO2012068806A1 WO 2012068806 A1 WO2012068806 A1 WO 2012068806A1 CN 2011071832 W CN2011071832 W CN 2011071832W WO 2012068806 A1 WO2012068806 A1 WO 2012068806A1
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- WIPO (PCT)
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- carrier frequency
- base station
- call
- frequency
- established
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Definitions
- a base station can implement carrier frequency control on a carrier frequency, and a carrier frequency may perform monthly traffic for multiple users. Therefore, the quality of the carrier frequency (for example, carrier frequency strength, etc.) is good or bad. The quality of service has a very direct impact. In some cases, the state of the base station carrier frequency may change (for example, the carrier frequency fails, or the base station receives a command from the administrator to manually turn off the carrier frequency), and at this time, the base station usually immediately turns off the carrier frequency.
- the state of the base station carrier frequency may change (for example, the carrier frequency fails, or the base station receives a command from the administrator to manually turn off the carrier frequency), and at this time, the base station usually immediately turns off the carrier frequency.
- a primary object of the present invention is to provide a carrier frequency processing method and a base station to solve at least the above problems.
- An aspect of the present invention provides a carrier frequency processing method, including: determining, by a base station, a carrier frequency state change of a carrier frequency to a state in which a baseband power of the carrier frequency is turned off; The established call initiates a frequency switching; the base station determines that the frequency switching is completed, and turns off the baseband power output of the carrier frequency.
- the state in which the baseband power of the carrier frequency is turned off includes at least one of the following: the carrier frequency fails, and a command to turn off the carrier frequency is received.
- the initiating the frequency switching of the established call on the carrier frequency by the base station comprises: the base station polling all the calls that have been established on the base station; determining whether the polled call is established in the On the carrier frequency, if yes, the polled call is switched on the polled call, and if not, the polling operation is continued until the polling of all the calls established on the base station has been completed.
- the base station initiating a frequency switching handover on the established call on the carrier frequency comprises: the base station transmitting, to the base station controller, a frequency switching request corresponding to the established call on the carrier frequency.
- the method further includes: the base station controller responding to the frequency switching request, The base station interacts to perform frequency switching on the established call on the carrier frequency.
- a base station comprising: a carrier frequency control subsystem configured to call when a carrier frequency state change of a carrier frequency is determined to cause a state in which baseband power of the carrier frequency is turned off a call processing subsystem, in a case where it is determined that the call processing subsystem frequency switching is completed, turning off the baseband power output of the carrier frequency; the call processing subsystem is configured to set an established call on the carrier frequency Initiate a frequency switching.
- the base station further comprises: a database subsystem configured to record a carrier frequency state of each carrier frequency on the base station, and notify the carrier frequency control subsystem if a carrier frequency state changes.
- the state in which the baseband power of the carrier frequency is turned off includes at least one of the following: the carrier frequency fails, and a command to turn off the carrier frequency is received.
- the call processing subsystem comprises: a polling module, configured to poll all the calls that have been established on the base station; and a determining module, configured to determine whether the polled call is established on the carrier frequency a scheduling module, configured to: when the determination result of the determining module is yes, scheduling a switching module, and if the determining result of the determining module is negative, scheduling the polling module; Set to switch the frequency of the polled call.
- the call processing subsystem is further configured to initiate a frequency switching by transmitting a frequency switching request corresponding to the established call on the carrier frequency to the base station controller.
- the base station determines that the carrier frequency state of the carrier frequency changes to a state that may cause the baseband power of the carrier frequency to be turned off
- the base station performs frequency switching on all the calls in the carrier frequency, and closes after completing the frequency switching.
- the baseband power of the carrier frequency solves the problem that the carrier frequency processing method in the related art may cause the call drop and affect the performance of the system, and prevents the call on the carrier frequency from being dropped when the carrier frequency failure or the shutdown state occurs, and the carrier frequency is lowered. Impact on the mobile communication system in the event of a fault or shutdown.
- FIG. 1 is a flowchart of a carrier frequency processing method according to an embodiment of the present invention
- FIG. 2 is a structural block diagram of a base station according to an embodiment of the present invention
- FIG. 3 is a block diagram of a preferred structure of a base station according to an embodiment of the present invention
- FIG. 5 is a detailed structural block diagram of a base station according to Embodiment 1;
- FIG. 1 is a flowchart of a carrier frequency processing method according to an embodiment of the present invention
- FIG. 2 is a structural block diagram of a base station according to an embodiment of the present invention
- FIG. 3 is a block diagram of a preferred structure of a base station according to an embodiment of the present invention
- FIG. 5 is a detailed structural block diagram of a base station according to Embodiment 1
- Step S102 A base station determines that a carrier frequency state change of a carrier frequency is caused to cause a baseband power of a carrier frequency to be turned off.
- Step S104 The base station initiates a frequency switching on the established call on the carrier frequency.
- step S106 the base station determines that the frequency switching is completed, and turns off the baseband power output of the carrier frequency.
- the base station when the carrier frequency of the base station of the mobile communication system is in a certain state, the base station directly turns off the baseband power of the carrier frequency, and does not initiate the frequency switching of the call existing on the carrier frequency, so that the carrier is established in the carrier. Calls on the frequency may be dropped.
- the base station delays turning off the baseband power output of the carrier frequency, and automatically initiates frequency switching on the call on the carrier frequency, and then turns off the carrier frequency baseband after the handover is completed. Power output.
- the above state in which the baseband power of the carrier frequency is turned off may include at least one of the following: a carrier frequency failure, a command to close the carrier frequency is received. It should be noted that the above method is applicable to all carrier frequency states that may cause the baseband power of the carrier frequency to be turned off, and is not limited to the above listed conditions. State. As long as the method of the embodiment is used, when such a state occurs, the call on the carrier frequency is switched, and after the handover is completed, the baseband power is turned off, thereby preventing the call drop effect.
- the process of initiating frequency-switching handover of the established call on the carrier frequency by the base station may be processed in the following manner: the base station polls all the established calls on the base station; determining the polled Whether the call is established on the carrier frequency, and if so, the polled call is switched over, and if not, the polling operation continues until polling of all calls established on the base station has been completed. In this way, all calls established on the base station are traversed, and all calls that may be affected by the baseband power off are frequency-switched to ensure that the impact is minimized.
- the base station can initiate the call setup on the carrier frequency by sending a frequency switching request corresponding to the established call on the carrier frequency to the base station controller (BSC). Frequency switching.
- BSC base station controller
- the base station controller can interact with the base station in response to the frequency switching request, on the carrier frequency.
- the established call is subjected to frequency switching to complete the entire frequency switching operation.
- 2 is a structural block diagram of a base station according to an embodiment of the present invention. As shown in FIG.
- the base station includes: a carrier frequency control subsystem 22 configured to change a carrier frequency state of a carrier frequency to a baseband power that causes a carrier frequency to be In the case of the closed state, the call processing subsystem 24 is invoked to turn off the baseband power output of the carrier frequency in the event that the call processing subsystem 24 determines that the frequency switching is complete; the call processing subsystem 24 is set to the carrier frequency The established call initiates a frequency switching.
- a carrier frequency control subsystem 22 configured to change a carrier frequency state of a carrier frequency to a baseband power that causes a carrier frequency to be In the case of the closed state, the call processing subsystem 24 is invoked to turn off the baseband power output of the carrier frequency in the event that the call processing subsystem 24 determines that the frequency switching is complete; the call processing subsystem 24 is set to the carrier frequency The established call initiates a frequency switching.
- 3 is a block diagram of a preferred structure of a base station according to an embodiment of the present invention, as shown in FIG.
- the base station may further include: a database subsystem 32 configured to record a carrier frequency state of each carrier frequency on the base station, and notify the carrier frequency control subsystem 11 when the carrier frequency state changes.
- the state in which the baseband power of the carrier frequency is turned off includes at least one of the following: a carrier frequency failure, a command to close the carrier frequency is received.
- 4 is a block diagram of a preferred structure of a base station according to an embodiment of the present invention. As shown in FIG.
- the call processing subsystem 24 may include: a polling module 242 configured to poll all calls established on the base station; The module 244 is configured to determine whether the polled call is established on the carrier frequency, and the scheduling module 246 is configured to: when the determination result of the determining module 244 is yes, scheduling the switching mode At block 248, if the determination result of the determination module 244 is negative, the polling module 242 is scheduled; the switching module 248 is configured to perform frequency switching on the polled call.
- the call processing subsystem 24 is further configured to initiate a frequency switching by transmitting a frequency switching request corresponding to an established call on the carrier frequency to the base station controller.
- FIG. 5 is a block diagram showing the detailed structure of a base station according to Embodiment 1. As shown in FIG. 5, it includes the following parts: a base station database subsystem 52 corresponding to the above database subsystem 32, the function of the subsystem To: Record the base station carrier frequency status. When the carrier frequency state changes, the base station carrier frequency control subsystem 54 is notified to change the carrier frequency state.
- the base station carrier frequency control subsystem 54 corresponds to the above carrier frequency control subsystem 22, and the function of the subsystem is: receiving the carrier frequency state change notification of the base station database subsystem 52, and performing corresponding operations on the carrier frequency. If the carrier frequency fails or is manually turned off, the base station call processing subsystem 56 is notified that the carrier frequency has failed or turned off, and the carrier frequency baseband power output is delayed.
- the base station call processing subsystem 56 corresponds to the above call processing subsystem 24, which functions as: managing calls on the base station, the subsystem recording information about all calls established on the base station. When the base station call processing subsystem 56 receives the carrier frequency failure or shutdown notification from the base station carrier frequency control subsystem 54, it detects the established calls on the carrier frequency and initiates frequency switching for these calls.
- Embodiment 2 This embodiment describes a process of performing carrier frequency processing by using the base station structure based on the base station provided in Embodiment 1, and the process includes the following steps: Step 1: When the base station carrier frequency fails or is manually closed, the base station database The carrier frequency status recorded in system 52 changes. Step 2, the base station database subsystem 52 notifies the base station carrier frequency control subsystem 54 that the carrier frequency state changes, the base station carrier frequency control subsystem 54 delays the shutdown of the carrier frequency baseband power output, and notifies the base station call processing subsystem 56 that the carrier frequency fault or shut down.
- Step 3 The base station call processing subsystem 56 detects all the calls that have been established on the carrier frequency, and processes each call as follows: If the call is not established on the faulty or closed carrier frequency, it is not processed; if the call is established On the faulty or closed carrier frequency, the BSC is sent a frequency switching request to perform frequency switching on the call.
- Step 4 After the call or the call frequency switching on the off carrier frequency is completed, the base station carrier frequency control subsystem 54 turns off the carrier frequency baseband power output.
- FIG. 6 is a detailed flowchart of a carrier frequency processing method according to Embodiment 3. As shown in FIG. 6, the method includes the following processing steps: Step S601: The base station carrier frequency is changed, and the base station database is changed. System 52 4 tampers with the state of its recorded corresponding carrier frequency and notifies base station carrier frequency control subsystem 54 that the carrier frequency state has changed.
- Step S602 The base station carrier frequency control subsystem 54 receives the carrier frequency state change notification of the base station database subsystem 52, and determines that if the carrier frequency fails or is turned off, the carrier frequency baseband power output is delayed and the base station call processing subsystem 56 is notified. The carrier frequency has failed or is turned off.
- Step S603 After receiving the carrier frequency failure or shutdown notification of the base station carrier frequency control subsystem 54, the base station call processing subsystem 56 performs polling detection processing on all the established calls on the base station, and processes each call as follows: If the call is not established on the faulty or closed carrier frequency, it is not processed; if the call is established on the faulty or closed carrier frequency, the BSC is sent a frequency switching request, and the call is subjected to frequency switching processing.
- Step S604 After the frequency switching is completed, the base station carrier frequency control subsystem 54 turns off the carrier frequency baseband power output.
- the computing device 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 scope of the present invention are intended to be included within the scope of the present invention.
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Description
载频处理方法及基站 技术领域 本发明涉及通信领域， 具体而言， 涉及一种载频处理方法及基站。 背景技术 在移动通信系统中， 基站能够实现对载频的载频控制， 一个载频可能为 多个用户进行月艮务， 因此， 载频质量 （例如， 载频强度等） 的好坏对月艮务质 量有非常直接的影响。 在某些情况下， 基站载频的状态可能发生变化 （例如， 载频发生故障， 或基站接收到管理员手动关闭该载频的命令等），此时，基站通常会立刻关闭 该载频的载频基带功率， 这样在该载频上已建立的呼叫， 可能会因为导频强 度太弱而发生掉话， 从而对移动通信系统造成不良的影响。 发明内容 本发明的主要目的在于提供一种载频处理方法及基站， 以至少解决上述 问题。 居本发明的一个方面提供了一种载频处理方法， 包括： 基站确定载频 的载频状态变化为导致所述载频的基带功率被关闭的状态； 所述基站对所述 载频上已建立的呼叫发起换频切换； 所述基站确定所述换频切换完成， 关闭 所述载频的基带功率输出。 优选地， 导致所述载频的基带功率被关闭的状态包括以下至少之一： 所 述载频发生故障、 接收到关闭所述载频的命令。 优选地， 在所述基站对所述载频上已建立的呼叫发起换频切换包括： 所 述基站对所述基站上已建立的所有呼叫进行轮询； 判断轮询到的呼叫是否建 立在所述载频上， 若是， 则对所述轮询到的呼叫进行换频切换， 若不是， 继 续轮询操作， 直到已完成对所述基站上已建立的所有呼叫的轮询。 优选地， 所述基站对所述载频上已建立的呼叫发起换频切换包括： 所述 基站向基站控制器发送对应于所述载频上已建立的呼叫的换频切换请求。
优选地， 在所述基站向基站控制器发送对应于所述载频上已建立的呼叫 的换频切换请求之后， 还包括： 所述基站控制器响应于所述换频切换请求， 与所述基站进行交互， 对所述载频上已建立的呼叫进行换频切换。 根据本发明的另一个方面提供了一种基站， 包括： 载频控制子系统， 设 置为在确定载频的载频状态变化为导致所述载频的基带功率被关闭的状态的 情况下， 调用呼叫处理子系统， 在确定所述呼叫处理子系统换频切换完成的 情况下， 关闭所述载频的基带功率输出； 所述呼叫处理子系统， 设置为对所 述载频上已建立的呼叫发起换频切换。 优选地， 该基站还包括： 数据库子系统， 设置为记录所述基站上的各个 载频的载频状态，并在载频状态发生变化的情况下通知所述载频控制子系统。 优选地， 导致所述载频的基带功率被关闭的状态包括以下至少之一： 所 述载频发生故障、 接收到关闭所述载频的命令。 优选地， 所述呼叫处理子系统包括： 轮询模块， 设置为对所述基站上已 建立的所有呼叫进行轮询； 判断模块， 设置为判断轮询到的呼叫是否建立在 所述载频上； 调度模块， 设置为在所述判断模块的判断结果为是的情况下， 调度切换模块， 在所述判断模块的判断结果为否的情况下， 调度所述轮询模 块； 所述切换模块， 设置为对所述轮询到的呼叫进行换频切换。 优选地， 所述呼叫处理子系统还设置为通过向基站控制器发送对应于所 述载频上已建立的呼叫的换频切换请求的方式来发起换频切换。 通过本发明， 在基站确定载频的载频状态变化为可能导致载频的基带功 率被关闭的状态时， 基站对该载频下的所有呼叫进行换频切换， 在完成了换 频切换之后关闭载频的基带功率， 解决了相关技术中的载频处理方法可能导 致掉话， 影响系统性能的问题， 防止载频故障或关闭等状态发生时， 该载频 上的呼叫掉话， 降低载频故障或关闭时对移动通信系统的影响。 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 居本发明实施例的载频处理方法的流程图； 图 2是 居本发明实施例的基站的结构框图； 图 3是根据本发明实施例的基站的优选结构框图一； 图 4是根据本发明实施例的基站的优选结构框图二； 图 5是根据实施例 1的基站的详细结构框图； 图 6是才艮据实施例 3的载频处理方法的详细流程图。 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。 图 1是 居本发明实施例的载频处理方法的流程图， 如图 1所示， 该方 法包括： 步骤 S 102,基站确定载频的载频状态变化为导致载频的基带功率被关闭 的状态； 步骤 S 104 , 基站对该载频上已建立的呼叫发起换频切换； 步骤 S 106, 基站确定换频切换完成， 关闭该载频的基带功率输出。 相关技术中， 当移动通信系统基站载频处于某种状态时， 基站会直接关 闭该载频的基带功率， 而不会对该载频上存在的呼叫发起换频切换， 这样已 建立在该载频上的呼叫可能会发生掉话。 通过上述实施例中的方法， 在这样 的状态出现时， 基站延迟关闭该载频的基带功率输出， 而对该载频上的呼叫 自动发起换频切换， 在切换完成后， 再关闭载频基带功率输出。 这样当载频 基带功率关闭后， 呼叫也不会掉话， 从而降低了载频故障或关闭时对移动通 信系统的影响。 以上的导致载频的基带功率被关闭的状态可以包括以下至少之一： 载频 发生故障、 接收到关闭载频的命令。 需要说明的是， 以上的方法适用于所有 的可能导致载频的基带功率被关闭的载频状态， 而不仅限于以上所列举的状
态。 只要釆用本实施例的方法， 在这样的状态出现时， 对该载频上的呼叫进 行换频切换，切换完成后再关闭基带功率， 就可以实现防止呼叫掉话的效果。 作为一种优选的实施方式， 在基站对载频上已建立的呼叫发起换频切换 的过程可以按照以下的方式来处理： 基站对基站上已建立的所有呼叫进行轮 询； 判断轮询到的呼叫是否建立在该载频上， 若是， 则对轮询到的呼叫进行 换频切换， 若不是， 继续轮询操作， 直到已完成对基站上已建立的所有呼叫 的轮询。 通过这种方式， 遍历基站上建立的所有呼叫， 对可能会受到基带功 率关闭影响的所有呼叫进行换频切换，从而能够保证将影响的程度降到最低。 在实际应用中， 基站可以通过向基站控制器（ Base Station Controller, 简 称为 BSC )发送对应于载频上已建立的呼叫的换频切换请求的方式， 来实现 对载频上已建立的呼叫发起换频切换。 在这种情况下， 在基站向基站控制器 发送对应于载频上已建立的呼叫的换频切换请求之后， 基站控制器就可以响 应于换频切换请求， 与基站进行交互，对载频上已建立的呼叫进行换频切换， 从而完成整个换频切换的操作。 图 2是根据本发明实施例的基站的结构框图，如图 2所示，该基站包括： 载频控制子系统 22 ,设置为在确定载频的载频状态变化为导致载频的基带功 率被关闭的状态的情况下， 调用呼叫处理子系统 24 , 在确定呼叫处理子系统 24换频切换完成的情况下， 关闭该载频的基带功率输出； 呼叫处理子系统 24 , 设置为对该载频上已建立的呼叫发起换频切换。 图 3是根据本发明实施例的基站的优选结构框图一， 如图 3所示， 在图
2的基础上， 该基站还可以包括： 数据库子系统 32 , 设置为记录基站上的各 个载频的载频状态， 并在载频状态发生变化的情况下通知载频控制子系统 11。 优选地， 导致载频的基带功率被关闭的状态包括以下至少之一： 载频发 生故障、 接收到关闭载频的命令。 图 4是根据本发明实施例的基站的优选结构框图二， 如图 4所示， 呼叫 处理子系统 24可以包括： 轮询模块 242 , 设置为对基站上已建立的所有呼叫 进行轮询； 判断模块 244 , 设置为判断轮询到的呼叫是否建立在载频上； 调 度模块 246 , 设置为在判断模块 244的判断结果为是的情况下， 调度切换模
块 248 , 在判断模块 244的判断结果为否的情况下， 调度轮询模块 242; 切 换模块 248 , 设置为对轮询到的呼叫进行换频切换。 优选地， 上述呼叫处理子系统 24还设置为通过向基站控制器发送对应 于载频上已建立的呼叫的换频切换请求的方式来发起换频切换。 以下描述的实施例 1-3 , 综合了上述多个优选实施例的技术方案。 需要 说明的是， 以下实施例以导致载频的基带功率被关闭的状态为载频发生故障 (简称故障） 或接收到关闭载频的命令（简称关闭） 为例进行说明， 在实际 应用中， 不限于这两种状态。 实施例 1 图 5是才艮据实施例 1的基站的详细结构框图， 如图 5所示， 其包含以下 部分： 基站数据库子系统 52 , 对应于以上的数据库子系统 32 , 该子系统的功 能为： 记录基站载频状态。 当载频状态发生改变时， 通知基站载频控制子系 统 54载频状态发生改变。 基站载频控制子系统 54 , 对应于以上的载频控制子系统 22， 该子系统 的功能为： 收到基站数据库子系统 52的载频状态改变通知， 对载频进行相 应的操作。 如果载频发生故障或手动关闭， 则通知基站呼叫处理子系统 56 载频发生故障或关闭， 并延迟关闭载频基带功率输出。 基站呼叫处理子系统 56 , 对应于以上的呼叫处理子系统 24， 该子系统 功能为： 对基站上的呼叫进行管理， 该子系统记录了建立在基站上的所有呼 叫的相关信息。 当基站呼叫处理子系统 56收到基站载频控制子系统 54的载 频故障或关闭通知时， 检测该载频上已建立的呼叫， 对这些呼叫发起换频切 换。 实施例 2 该实施例基于实施例 1所提供的基站， 描述了通过该基站结构完成载频 处理的过程， 该过程包括以下步骤： 步骤 1 , 基站载频发生故障或手动关闭时， 基站数据库子系统 52中记录 的载频状态改变。
步骤 2 , 基站数据库子系统 52通知基站载频控制子系统 54载频状态发 生改变， 基站载频控制子系统 54延迟关闭载频基带功率输出， 并通知基站 呼叫处理子系统 56该载频故障或关闭。 步骤 3 , 基站呼叫处理子系统 56检测该载频上已建立的所有呼叫， 对每 个呼叫处理如下： 如果呼叫不是建立在故障或关闭的载频上， 则不故处理； 如果呼叫是建立在故障或关闭的载频上， 则给 BSC发送换频切换请求， 对呼 叫进行换频切换。 步骤 4, 故障或关闭载频上的呼叫换频切换完成后， 基站载频控制子系 统 54关闭载频基带功率输出。 通过以上几个步骤， 当移动通信系统基站载频发生故障或手动关闭时， 系统能够先检测该载频上已经建立的呼叫， 并对这些呼叫发起换频切换， 切 换完成后停止载频基带功率输出， 从而防止载频故障或关闭时， 该载频上的 呼叫掉话， 降低载频故障或关闭时对移动通信系统的影响。 实施例 3 图 6是才艮据实施例 3的载频处理方法的详细流程图， 如图 6所示， 该方 法包含以下处理步 4聚： 步骤 S601 : 基站载频状态发生改变， 基站数据库子系统 52 4爹改其记录 的对应载频的状态， 并通知基站载频控制子系统 54载频状态发生改变。 步骤 S602:基站载频控制子系统 54收到基站数据库子系统 52的载频状 态改变通知， 判断如果载频发生故障或关闭， 则延迟关闭载频基带功率输出， 并通知基站呼叫处理子系统 56载频发生故障或关闭。 步骤 S603 :基站呼叫处理子系统 56收到基站载频控制子系统 54的载频 故障或关闭通知后， 对该基站上已建立的所有呼叫进行轮询检测处理， 对每 个呼叫的处理如下： 如果该呼叫不是建立在故障或关闭的载频上， 则不故处 理； 如果呼叫是建立在故障或关闭的载频上， 则给 BSC发送换频切换请求， 对该呼叫进行换频切换处理。 步骤 S604: 换频切换完成后， 基站载频控制子系统 54关闭载频基带功 率输出。
从以上的描述中， 可以看出， 以上实施例提供的方案解决了相关技术中 的载频处理方法可能导致掉话， 影响系统性能的问题， 防止载频故障或关闭 等状态发生时， 该载频上的呼叫掉话， 降低载频故障或关闭时对移动通信系 统的影响。 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^"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
1. 一种载频处理方法， 包括：
基站确定载频的载频状态变化为导致所述载频的基带功率被关闭 的状态；
所述基站对所述载频上已建立的呼叫发起换频切换； 所述基站确定所述换频切换完成， 关闭所述载频的基带功率输出。
2. 根据权利要求 1所述的方法， 其中， 导致所述载频的基带功率被关闭 的状态包括以下至少之一： 所述载频发生故障、 接收到关闭所述载频 的命令。
3. 根据权利要求 1所述的方法， 其中， 在所述基站对所述载频上已建立 的呼叫发起换频切换包括：
所述基站对所述基站上已建立的所有呼叫进行轮询； 判断轮询到的呼叫是否建立在所述载频上， 若是， 则对所述轮询 到的呼叫进行换频切换， 若不是， 继续轮询操作， 直到已完成对所述 基站上已建立的所有呼叫的轮询。
4. 根据权利要求 1所述的方法， 其中， 所述基站对所述载频上已建立的 呼叫发起换频切换包括：
所述基站向基站控制器发送对应于所述载频上已建立的呼叫的换 频切换请求。
5. 根据权利要求 4所述的方法， 其中， 在所述基站向基站控制器发送对 应于所述载频上已建立的呼叫的换频切换请求之后， 还包括：
所述基站控制器响应于所述换频切换请求 ,与所述基站进行交互 , 对所述载频上已建立的呼叫进行换频切换。
6. 一种基站， 包括：
载频控制子系统， 设置为在确定载频的载频状态变化为导致所述 载频的基带功率被关闭的状态的情况下， 调用呼叫处理子系统， 在确 定所述呼叫处理子系统换频切换完成的情况下， 关闭所述载频的基带 功率输出；
所述呼叫处理子系统， 设置为对所述载频上已建立的呼叫发起换 频切换。
7. 根据权利要求 6所述的基站， 其中， 还包括：
数据库子系统， 设置为记录所述基站上的各个载频的载频状态， 并在载频状态发生变化的情况下通知所述载频控制子系统。
8. 根据权利要求 6所述的基站， 其中， 导致所述载频的基带功率被关闭 的状态包括以下至少之一： 所述载频发生故障、 接收到关闭所述载频 的命令。
9. 根据权利要求 6所述的基站， 其中， 所述呼叫处理子系统包括： 轮询模块， 设置为对所述基站上已建立的所有呼叫进行轮询； 判断模块， 设置为判断轮询到的呼叫是否建立在所述载频上； 调度模块， 设置为在所述判断模块的判断结果为是的情况下， 调 度切换模块， 在所述判断模块的判断结果为否的情况下， 调度所述轮 询模块；
所述切换模块， 设置为对所述轮询到的呼叫进行换频切换。
10. 根据权利要求 6所述的基站， 其中， 所述呼叫处理子系统还设置为通 过向基站控制器发送对应于所述载频上已建立的呼叫的换频切换请求 的方式来发起换频切换。
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