WO2012159501A1 - 一种公共控制信道配置的调整方法、系统和基站控制器 - Google Patents
一种公共控制信道配置的调整方法、系统和基站控制器 Download PDFInfo
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- WO2012159501A1 WO2012159501A1 PCT/CN2012/073610 CN2012073610W WO2012159501A1 WO 2012159501 A1 WO2012159501 A1 WO 2012159501A1 CN 2012073610 W CN2012073610 W CN 2012073610W WO 2012159501 A1 WO2012159501 A1 WO 2012159501A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
Definitions
- the present invention relates to the field of GSM (Global System for Mobile communication) mobile communication technologies, and in particular, to an adjustment method, system and base station controller for a common control channel configuration.
- GSM Global System for Mobile communication
- Voice group call service and voice broadcast service (VBS) are multi-party language communication methods. They break through the limitations of peer-to-peer communication and can quickly establish calls. These two services can be used. Collectively referred to as group call business.
- the group call service includes two members of the identity, namely the dispatcher and the ordinary user.
- the dispatcher can be a fixed network user, such as a dispatching station or a mobile user; there can be zero, one or a limited number of dispatchers in the group call service; the normal user refers to the number of mobile users who have subscribed to the VGCS/VBS. According to whether it is a speech, it is divided into a talker and a listener.
- the group call service uses a public downlink broadcast function. This function allows listeners in the same cell to listen to group calls on a traffic channel. There is no limit on the number of users. In this way, the air interface between network elements can be saved. And available resources on the signaling link.
- an NCH Notification Channel
- CCCH Common Control Channel
- the CCCH channel of each cell is composed of an AGCH (Access Grant Channel) channel, a PCH (Paging Channel) channel, and an NCH channel, and is used to send an immediate assignment message, a paging message, and a notification message, respectively.
- the immediate assignment message and the paging message belong to the message sent in time, and the notification message is A periodically sent message, that is, when a voice group call service or a voice broadcast service is established, its corresponding notification message will be periodically sent on the NCH channel until the end of the service.
- the CCCH channel is configured as a static configuration.
- the number of NCH blocks is configured by one or two by default, and the number of group call service initiations has certain uncertainty. Therefore, the static configuration has the following problems:
- the scheduling and scheduling efficiency will decrease. That is, the scheduling period of the same notification becomes longer. This will make the terminal join the VGCS/VBS service slower.
- the time-to-time of the voice group call or the voice broadcast service is added to the terminal. When the number of notifications reaches a certain level, the scheduling period of the notification is longer and longer.
- the embodiment of the present invention provides a method, a system, and a base station controller for adjusting a common control channel, which are used to solve the problem that the static configuration of the existing CCCH channel affects the terminal user when the number of NCH blocks is too small and the number of notifications in the cell is large.
- the timeliness of the access group's call service cannot guarantee the scheduling efficiency of the notification.
- An embodiment of the present invention provides a method for adjusting a common control channel configuration, including: determining, by a base station controller, a current number of notifications of a group call service in a cell; and when the current number of notifications is greater than a notification channel on a current common control channel of the cell When the maximum number of notifications that can be carried by the number of blocks, the base station controller increases the number of notification channel blocks on the common control channel.
- the adjustment method further includes:
- the base station controller reduces the number of notification channel blocks on the common control channel.
- the base station controller determines the current number of notifications of the group call service in the cell, specifically: the base station controller acquires current notification number information sent by the base transceiver station; and the base station controller determines, according to the current notification number information, The current number of notifications;
- the base station controller acquires, by the base station transceiver station, a plurality of notification channel load indications sent in consecutive multiple periods; the base station controller determines the current number of notifications according to the multiple notification channel load indications.
- determining the number of notifications carried by the last acquired notification channel load indication or the minimum number of notifications is the current number of notifications
- the number interval corresponds to a preset number of notification channel blocks
- the maximum value of the number interval is the maximum number of notifications that can be carried by the preset notification channel block number
- the minimum value is the preset notification channel block number.
- the minimum number of notifications that can be carried there is no intersection between each number interval, and the minimum number of notifications that can be carried by the large preset notification channel block number is greater than the maximum number of notifications that can be carried by the small preset notification channel block number.
- the maximum number is equal to the maximum number of notification channel blocks on the current common control channel of the cell multiplied by the number of notifications that can be carried by one notification channel block number, or configured according to user requirements for access timeliness;
- the minimum number is equal to the maximum number of notifications that the number of notification channel blocks can be carried on the current common control channel of the cell minus the maximum number of notifications that can be carried by one notification channel block number, or according to the effective utilization rate of the notification channel by the system. Requires configuration.
- the base station controller increases the number of notification channel blocks on the common control channel, Specifically:
- the base station controller when the current number of notifications is less than a minimum number of notifications that can be carried by the number of notification channel blocks on the common control channel, the base station controller reduces the number of notification channel blocks on the common control channel. , Specifically:
- An embodiment of the present invention provides a base station controller, including:
- a determining module configured to determine a current number of notifications of the group call service in the cell
- an adjusting module configured to: when the current number of notifications is greater than a maximum number of notifications that can be carried by the number of notification channel blocks on the current common control channel of the cell, the base station controller notifies the number of channel blocks on the common control channel turn up.
- the adjusting module is further configured to: when the current number of notifications is less than a minimum number of notifications that can be carried by the number of notification channel blocks on the common control channel, notify the public control channel The number of blocks is small.
- the base station controller further includes:
- a storage module configured to save a number of intervals corresponding to each of the preset number of preset channel blocks, where the maximum value of the number of intervals is the maximum number of notifications that can be carried by the number of preset notification channel blocks, and the minimum value is the corresponding pre- The minimum number of notifications that can be carried by the number of notification channel blocks, and there is no intersection between the number of intervals, and the minimum number of notifications that can be carried by the large preset notification channel block number is greater than the notification of the number of preset notification channel blocks that can be carried. The maximum number.
- An embodiment of the present invention provides an adjustment system for a common control channel configuration, including: a base transceiver station, configured to send a current notification number information of a group call service in a cell, or to send multiple notifications of the group call service in the cell by cycle.
- Channel load indication configured to indicate whether the group call service is a common control channel configuration.
- a base station controller configured to determine, according to the current notification number information or multiple notification channel load indications, a current number of notifications of the group call service in the cell; when the current notification number is greater than a notification on a current public control channel of the cell When the maximum number of notifications that can be carried by the number of channel blocks, the number of notification channel blocks on the common control channel is increased; when the current number of notifications is less than the minimum number of notifications that can be carried by the number of notification channel blocks on the common control channel At the time, the number of notification channel blocks on the common control channel is reduced.
- the technical solution provided by the embodiment of the present invention increases the number of NCH blocks on the CCCH when the number of current notifications of the group call service in the cell is greater than the maximum number of NCH blocks that can be carried on the current CCCH of the cell.
- the technical solution avoids the situation that the number of NCH blocks is too small and the number of notifications in the cell is large, so that the terminal user can access the group call service in time to ensure the scheduling efficiency of the notification.
- the base station controller reduces the number of NCH blocks on the CCCH, compared to the existing CCCH channel. Static configuration, the above adjustment method avoids the situation that there are fewer intra-cell notifications and too many NCH blocks are configured, so as to avoid waste of CCCH channels, The transmission efficiency of immediate assignment and paging messages.
- FIG. 1 is a schematic flowchart of a method for adjusting a common control channel configuration according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a base station controller according to an embodiment of the present invention. detailed description
- an embodiment of the present invention provides a method for adjusting a common control channel configuration, including:
- Step 101 The base station controller determines a current number of notifications of the group call service in the cell.
- Step 102 When the current number of notifications is greater than the maximum number of notifications that can be carried by the number of NCH blocks on the current CCCH of the cell, the base station controller increases the number of NCH blocks on the CCCH.
- Step 101 can be specifically implemented in the following manner:
- the base station controller acquires the current notification number information sent by the base transceiver station (recording the current number of notifications); the base station controller can directly determine the current number of notifications according to the current notification number information.
- step 101 can be specifically implemented in the following manner:
- the base station controller acquires a plurality of NCH load indications sent by the base transceiver station in consecutive multiple periods (the number of notifications of the information transmission time in each notification number sub-information); the base station controller determines the current number of notifications according to the plurality of NCH load indications .
- the base station controller may pre-configure the maximum number and the minimum number of notifications that each of the preset NCH blocks of different sizes can carry, and represent the number of intervals (the maximum number of the number interval is the maximum number and the minimum value is The minimum number, each number interval has no intersection), and each preset NCH block number is saved corresponding to the number interval.
- the maximum number of notifications that can be carried by the preset number of NCH blocks can be configured according to the requirements of the user for access timeliness, etc. If the incoming service is fast, the maximum number can be configured as a smaller value. If the user does not require the access time, the maximum number can be configured as a larger value.
- a preset NCH block number can be used to carry the notification.
- the maximum number may also be equal to the preset NCH block number multiplied by the maximum number of notifications that one notification channel block number can carry.
- the minimum number of notifications that can be carried by the preset number of NCH blocks can be configured according to the requirements of the system for the effective utilization of the notification channel. If the system requires that the effective utilization rate of the channel is high, the minimum number can be configured to be larger. If the system requires that the effective utilization rate of the channel is low, the minimum number can be configured as a smaller value.
- the minimum number of notifications that can be carried by a preset NCH block number can be equal to the preset NCH block number.
- the maximum number of notifications carried by the operator minus the maximum number of notifications that can be carried by an NCH block number. In general, the minimum number of notifications that a large number of NCH blocks can carry is greater than the maximum number of notifications that a small number of NCH blocks can carry. Preferably, it can be set to a form as shown in Table 1 below.
- the number of the notifications carried by the NCH load indication is the current number of notifications; wherein the number interval corresponds to a preset number of NCH blocks, and the maximum value of the number interval is a preset NCH block.
- the maximum number and minimum value of the number of notifications that can be carried by the number of packets can be the minimum number of notifications that can be carried by the preset number of NCH blocks. There is no intersection between the number of intervals. The minimum number of notifications that can be carried by the large number of preset NCH blocks is greater than the minimum number. The maximum number of notifications that can be carried by the preset number of NCH blocks.
- step 102 can be specifically implemented in the following manner:
- the number of NCH blocks on the current CCCH is adjusted to the preset number of NCH blocks corresponding to the current number interval.
- the method for adjusting the configuration of the common control channel provided by the embodiment of the present invention
- the base station controller increases the number of NCH blocks on the CCCH, and the above adjustment method is avoided compared to the static configuration of the existing CCCH channel. If the number of NCH blocks is too small and there are many notifications in the cell, the terminal user can access the group call service in time to ensure the scheduling efficiency of the notification.
- the foregoing adjustment method provided by the embodiment of the present invention may further include the following steps:
- the base station controller When the current number of notifications is less than the minimum number of notifications that can be carried by the number of NCH blocks on the CCCH, the base station controller reduces the number of NCH blocks on the CCCH.
- This step can be embodied in the following manner:
- the number of NCH blocks on the current CCCH is adjusted to the preset number of NCH blocks corresponding to the current number interval.
- the base station controller when the current number of notifications of the group call service in the cell is smaller than the minimum number of notifications that can be carried by the number of NCH blocks on the current CCCH of the cell, the base station controller reduces the number of NCH blocks on the CCCH, compared to the existing CCCH channel.
- the static configuration the above adjustment method avoids the situation that there are fewer intra-cell notifications and too many NCH blocks, avoiding the waste of the number of NCHCCCH blocks, and not affecting the transmission efficiency of immediate assignment and paging messages.
- the first step is related to the dynamic adjustment of the number of NCH blocks.
- an NCH block number is configured by default and sent to the base station; the configuration of the subsequent CCCH channel can be obtained through the background query;
- the reporting period of the NCH load is set to 1 second and sent to the base station.
- BSC Base Station Controller
- the BTS Base Transceiver Station
- the NCH load indication includes the number of notifications of the group call service in the cell at the reporting time.
- the BSC dynamically adjusts the number of NCH blocks according to the NCH channel load indication reported in three consecutive cycles.
- NCH channel load indication numbers The number of NCH channel load indication numbers and the number of notifications are as follows:
- the BSC determines the current number of notifications
- the number of notifications of 8, 9, and 11 are respectively carried in the indication 1, the indication 2, and the indication 3. Since 8, 9, and 11 are in different numbers of intervals in Table 1, the BSC can determine that the current number of notifications is 11 or 8; If the three indications carry the number of notifications of 8, 9, and 8, respectively, since 8, 9, and 8 are in the same number interval in Table 1, the BSC may determine that the current number of notifications is 8.
- the BSC adjusts the maximum number or the minimum number of sizes that can be carried by the current number of NCH blocks according to the current number of notifications, and the number of NCH blocks in Table 1;
- the BSC should increase the number of NCH blocks on the CCCH.
- the BSC since 11 is in the number of notifications that the number of NCH blocks is 2, the BSC can block the NCH blocks on the CCCH. The number is 2; if the current number of notifications is 8, since 8 (the current number of notifications) is neither greater than 10 (the maximum number of notifications that can be carried by the current number of NCH blocks), nor is it less than the notification that the current number of NCH blocks can be carried. The minimum number, therefore, the BSC does not adjust number of NCH blocks on the CCCH, keeping the current configuration of the CCCH unchanged.
- the BSC should The number of NCH blocks on the CCCH is reduced. According to Table 1, since 8 is in the number interval of notifications that the number of NCH blocks is 1, the BSC can adjust the number of NCH blocks on the CCCH to one.
- the specific embodiment uses the adjustment method provided by the embodiment of the present invention to dynamically adjust the number of NCH blocks on the CCCH according to the current number of notifications, so that the number of NCH blocks on the CCCH and the cell group call service need to be coordinated, so as to prevent the number of NCH blocks from being too small.
- the terminal user can access the group call service in time to ensure the scheduling efficiency of the notification. Further, it is avoided that there are fewer intra-cell notifications and too many NCH blocks are configured, and the waste of the NCH block number is avoided, and the transmission efficiency of the immediate assignment and the paging message is not affected.
- the embodiment of the present invention further provides a base station controller, including:
- a determining module configured to determine a current number of notifications of the group call service in the cell
- an adjusting module configured to: when the current number of notifications is greater than a maximum number of notifications that can be carried by the number of channel blocks on the current common control channel of the cell, the base station controller increases the number of notification channel blocks on the common control channel.
- the foregoing adjusting module is further configured to: when the current number of notifications is less than a minimum number of notifications that the number of notification channel blocks can be carried on the common control channel, reduce the number of notification channel blocks on the common control channel.
- the foregoing base station controller may further include:
- a storage module configured to save a corresponding number of intervals of the number of preset preset notification channel blocks, where the maximum value of the number interval is the maximum number of notifications that can be carried by the corresponding preset notification channel block number, and the minimum value is the corresponding preset notification channel block.
- the number of NCH blocks on the CCCH is such that the number of NCH blocks on the CCCH and the cell group call service need to be coordinated, so as to avoid the situation that the number of NCH blocks is too small and the number of notifications in the cell is large, so that the terminal user is enabled. Timely access to group call services to ensure the scheduling efficiency of notifications. Further, the situation that the intra-cell notification is less and the number of NCH blocks is too much is avoided, and the waste of the number of NCHCCCH blocks is avoided, and the transmission efficiency of the immediate assignment and the paging message is not affected.
- the embodiment of the present invention further provides an adjustment system for configuring a common control channel, including:
- a base transceiver station configured to send current notification number information of a group call service in a cell or multiple notification channel load indications for periodically transmitting a group call service in a cell;
- a base station controller configured to determine, according to the current notification number information or the multiple notification channel load indications, a current number of notifications of the intra-cell group call service; where the current notification number is greater than a notification that the number of channel block numbers can be carried on the current common control channel of the cell
- the maximum number is, the number of notification channel blocks on the common control channel is increased; when the current number of notifications is less than the minimum number of notifications that the number of notification channel blocks can be carried on the common control channel, the number of notification channel blocks on the common control channel is reduced.
- the adjustment system of the common control channel configuration dynamically adjusts the number of NCH blocks on the CCCH according to the current number of notifications, so that the number of NCH blocks on the CCCH and the cell group call service need to be coordinated and coordinated, thereby avoiding the NCH block number configuration.
- the terminal user can access the group call service in time to ensure the scheduling efficiency of the notification. Further, it is avoided that there are fewer intra-cell notifications and too many NCH blocks are configured, and the waste of NCH blocks is avoided, and the transmission efficiency of immediate assignment and paging messages is not affected.
- the above storage medium may be a ROM/RAM, a magnetic disk, an optical disk or the like.
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Abstract
一种公共控制信道配置的调整方法、系统和基站控制器。该方法包括：基站控制器确定小区内组呼业务的当前通知数目（101）；当所述当前通知数目大于所述小区当前的公共控制信道（CCCH）上通知信道（NCH）块数能承载的通知的最多数目时，所述基站控制器将所述CCCH上NCH块数调大（102）。相比现有CCCH的静态配置，采用本发明提供的技术方案能够避免出现NCH块数配置过少而小区内通知较多的情况，使终端用户及时地接入组呼业务，保证通知的调度效率。
Description
一种公共控制信道配置的调整方法、 系统和基站控制器 技术领域
本发明涉及 GSM ( Global System for Mobile communication, 全球移动 通信系统）移动通信技术领域， 特别涉及一种公共控制信道配置的调整方 法、 系统和基站控制器。 背景技术
语音组呼业务（ VGCS , Voice Group Call Service )和语音广播业务（ VBS, Voice Broadcast Service )都是多方参与的语言通信方式， 突破了点对点通信 的局限性， 能够快速建立呼叫， 这两种业务可统称为组呼业务。
组呼业务中包括两种身份的成员， 即调度员和普通用户。 调度员可以 是固网用户， 如调度台， 也可以是移动用户； 组呼业务中可以有零个、 一 个或有限数目的调度员； 普通用户指预定了 VGCS/VBS的移动用户， 数量 不限， 根据是否在讲话又分为讲者（talker )和听者 （ Listener )。
组呼业务使用的是公共下行链路广播功能， 这种功能允许处于同一个 小区的听者在一条业务信道上聆听组呼， 用户数量没有限制， 用这种方法 可以节省网元间的空中接口和信令链路上的可用资源。
在 GSM-R网络中， 增加了 NCH ( Notification Channel, 通知信道）, 它是 CCCH ( Common Control Channel, 公共控制信道）的一部分， 用于发 送组呼业务的通知消息，处于空闲模式的终端收听到 NCH信道的通知消息 后 ,若属于该组呼则会加入到组呼中。这样每个小区的 CCCH信道由 AGCH ( Access Grant Channel, 接入允许信道)信道、 PCH ( Paging Channel, 寻 呼信道）信道、 NCH信道组成， 分别用于发送立即指派消息、 寻呼消息、 通知消息。 立即指派消息与寻呼消息属于及时发送的消息， 而通知消息是
一种周期性发送的消息， 即当某语音组呼业务或者语音广播业务建立起来 后， 其对应的通知消息将在 NCH信道上周期性发送， 直到此次业务结束。
一般情况下， CCCH信道配置为静态配置， 其中 NCH块数默认配置一 块或者两块， 而组呼业务发起数目又具有一定的不确定性， 于是这种静态 配置存在以下问题：
当某小区同时存在多个 VGCS业务或者 VBS业务时，随着通知的增多， 势必造成通知调度效率的下降， 即同一通知的调度周期变长， 这样会使得 终端加入 VGCS/VBS业务变慢， 影响终端加入语音组呼或者语音广播业务 的及时性， 当通知数目多到一定程度后， 通知的调度周期随之越来越长， 以小区 CCCH信道配置一个 NCH块为例 ,发送一个通知按照占用一个 NCH 块来计算， 则小区若存在 60 个通知时， 调用完所有通知周期为 60*236ms=14.1s, 将会严重影响终端用户加入组呼业务的及时性。
可见， 如果 NCH块数配置过少而小区内通知较多时， 会影响终端用户 接入组呼业务的及时性， 无法保证通知的调度效率。 发明内容
本发明实施例提供了一种公共控制信道配置的调整方法、 系统和基站 控制器，用以解决现有 CCCH信道的静态配置在 NCH块数配置过少而小区 内通知较多时， 会影响终端用户接入组呼业务的及时性， 无法保证通知的 调度效率的问题。
本发明实施例提供了一种公共控制信道配置的调整方法， 包括： 基站 控制器确定小区内组呼业务的当前通知数目； 当所述当前通知数目大于所 述小区当前的公共控制信道上通知信道块数能承载的通知的最多数目时， 所述基站控制器将所述公共控制信道上通知信道块数调大。
所述的调整方法， 还包括：
当所述当前通知数目小于所述公共控制信道上通知信道块数能承载的
通知的最少数目时， 所述基站控制器将所述公共控制信道上通知信道块数 调小。
所述基站控制器确定小区内组呼业务的当前通知数目， 具体为： 所述基站控制器获取基站收发台发送的当前通知数目信息； 所述基站 控制器根据所述当前通知数目信息确定所述当前通知数目；
或者，
所述基站控制器获取所述基站收发台在连续多个周期中发送的多个通 知信道负载指示； 所述基站控制器根据所述多个通知信道负载指示确定所 述当前通知数目。
所述基站控制器根据所述多个通知信道负载指示确定所述当前通知数 目， 具体为：
当所述多个通知信道负载指示各自携带的通知数目位于不同的数目区 间时， 确定最后获取的通知信道负载指示携带的通知数目或者最少的通知 数目为所述当前通知数目；
当所述多个通知信道负载指示各自携带的通知数目位于相同的数目区 间时， 确定所述多个通知信道负载指示中任一通知信道负载指示携带的通 知数目为所述当前通知数目；
其中， 所述数目区间对应一预设通知信道块数， 所述数目区间的最大 值为所述预设通知信道块数能承载的通知的最多数目、 最小值为所述预设 通知信道块数能承载的通知的最少数目， 各数目区间之间没有交集， 大的 预设通知信道块数能承载的通知的最少数目大于小的预设通知信道块数能 承载的通知的最多数目。
所述最多数目等于所述小区当前的公共控制信道上通知信道块数乘以 一个通知信道块数能承载的通知的最多数目， 或者根据用户对接入及时性 的要求进行配置；
所述最少数目等于所述小区当前的公共控制信道上通知信道块数能承 载的通知的最多数目减去一个通知信道块数能承载的通知的最多数目， 或 者根据系统对通知信道有效利用率的要求进行配置。
所述当所述当前通知数目大于所述小区当前的公共控制信道上通知信 道块数能承载的通知的最多数目时， 所述基站控制器将所述公共控制信道 上通知信道块数调大， 具体为：
当所述当前通知数目大于所述小区当前的公共控制信道上通知信道块 数能承载的通知的最多数目时， 确定所述当前通知数目所处的当前数目区 间；
将所述通知信道块数调整为所述当前数目区间对应的预设通知信道块 数；
和 /或， 所述当所述当前通知数目小于所述公共控制信道上通知信道块 数能承载的通知的最少数目时， 所述基站控制器将所述公共控制信道上通 知信道块数调小， 具体为：
当所述当前通知数目小于所述公共控制信道上通知信道块数能承载的 通知的最少数目时， 确定所述当前通知数目所处的当前数目区间；
将所述通知信道块数调整为所述当前数目区间对应的预设通知信道块 数。
本发明实施例提供了一种基站控制器， 包括：
确定模块， 用于确定小区内组呼业务的当前通知数目；
调整模块， 用于当所述当前通知数目大于所述小区当前的公共控制信 道上通知信道块数能承载的通知的最多数目时， 所述基站控制器将所述公 共控制信道上通知信道块数调大。
所述调整模块， 还用于当所述当前通知数目小于所述公共控制信道上 通知信道块数能承载的通知的最少数目时， 将所述公共控制信道上通知信
道块数调小。
所述的基站控制器， 还包括：
存储模块， 用于保存各种预设通知信道块数各自对应的数目区间， 所 述数目区间的最大值为对应预设通知信道块数能承载的通知的最多数目、 最小值为所述对应预设通知信道块数能承载的通知的最少数目， 各数目区 间之间没有交集， 大的预设通知信道块数能承载的通知的最少数目大于小 的预设通知信道块数能承载的通知的最多数目。
本发明实施例提供了一种公共控制信道配置的调整系统， 包括： 基站收发台， 用于发送小区内组呼业务的当前通知数目信息或者按周 期发送所述小区内组呼业务的多个通知信道负载指示；
基站控制器， 用于根据所述当前通知数目信息或者多个通知信道负载 指示确定所述小区内组呼业务的当前通知数目； 当所述当前通知数目大于 所述小区当前的公共控制信道上通知信道块数能承载的通知的最多数目 时， 将所述公共控制信道上通知信道块数调大； 当所述当前通知数目小于 所述公共控制信道上通知信道块数能承载的通知的最少数目时， 将所述公 共控制信道上通知信道块数调小。
本发明实施例提供的技术方案， 当小区内组呼业务的当前通知数目大 于小区当前的 CCCH上 NCH块数能承载的通知的最多数目时， 将 CCCH 上 NCH块数调大，相比现有 CCCH信道的静态配置，该技术方案避免出现 NCH块数配置过少而小区内通知较多的情况， 使终端用户及时地接入组呼 业务， 保证通知的调度效率。
进一步地， 当小区内组呼业务的当前通知数目小于小区当前的 CCCH 上 NCH块数能承载的通知的最少数目时， 基站控制器将 CCCH上 NCH块 数调小， 相比现有 CCCH信道的静态配置， 上述调整方法避免出现小区内 通知较少而 NCH块数配置过多的情况，避免造成 CCCH信道的浪费， 不影
响立即指派及寻呼消息的发送效率。 附图说明
图 1为本发明实施例中公共控制信道配置的调整方法流程示意图； 图 2为本发明实施例中基站控制器的结构示意图。 具体实施方式
为使本发明实施例要解决的技术问题、 技术方案和优点更加清楚， 下 面将结合附图及具体实施例进行详细描述。
如图 1 所示， 本发明实施例提供一种公共控制信道配置的调整方法， 包括：
步驟 101、 基站控制器确定小区内组呼业务的当前通知数目。
步驟 102、在当前通知数目大于小区当前的 CCCH上 NCH块数能承载 的通知的最多数目时， 基站控制器将 CCCH上 NCH块数调大。
其中， 步驟 101可具体实施为以下方式：
基站控制器获取基站收发台发送的当前通知数目信息 （记录当前通知 数目 ）； 基站控制器可根据当前通知数目信息直接确定出当前通知数目。
或者， 步驟 101可具体实施为以下方式：
基站控制器获取基站收发台在连续多个周期中发送的多个 NCH负载指 示（每个通知数目子信息中记录信息发送时刻的通知数目 ）； 基站控制器根 据多个 NCH负载指示确定当前通知数目。
具体地，基站控制器可预先配置各种不同大小的预设 NCH块数各自能 承载的通知的最多数目和最少数目， 以数目区间的形式表示 （数目区间的 最大值为最多数目、 最小值为最少数目， 各数目区间没有交集）， 并将各预 设 NCH块数与数目区间对应保存。 其中， 一种预设 NCH块数能承载的通 知的最多数目可根据用户对接入及时性的要求等进行配置， 若用户要求接
入业务要快， 则最多数目可配置为一较小值， 若用户对接入及时性没有要 求， 则最多数目可配置为一较大值； 另外， 一种预设 NCH块数能承载的通 知的最多数目还可以等于该预设 NCH块数乘以一个通知信道块数能承载的 通知的最多数目。一种预设 NCH块数能承载的通知的最少数目可根据系统 对通知信道有效利用率的要求等进行配置， 若系统要求通知信道的有效利 用率要高， 则最少数目可配置为一较大值， 若系统要求通知信道的有效利 用率低， 则最少数目可配置为一较小值； 另外， 一种预设 NCH块数能承载 的通知的最少数目还可以等于该预设 NCH块数能承载的通知的最多数目减 去一个 NCH块数能承载的通知的最多数目。 通常， 大的 NCH块数能承载 的通知的最少数目大于小的 NCH块数能承载的通知的最多数目。 优选地， 可设置成如下述表 1所示的形式。
当多个 NCH负载指示各自携带的通知数目位于不同的数目区间时，确 定最后获取的 NCH负载指示携带的通知数目或者最少的通知数目为当前通 知数目；当多个 NCH负载指示各自携带的通知数目位于相同的数目区间时， 确定多个 NCH负载指示中任一 NCH负载指示携带的通知数目为当前通知 数目； 其中， 数目区间对应一预设 NCH 块数， 数目区间的最大值为预设 NCH块数能承载的通知的最多数目、 最小值为预设 NCH块数能承载的通 知的最少数目， 各数目区间之间没有交集， 大的预设 NCH块数能承载的通 知的最少数目大于小的预设 NCH块数能承载的通知的最多数目。
此时， 步驟 102可具体实施为以下方式：
在当前通知数目大于小区当前的 CCCH上 NCH块数能承载的通知的最 多数目时， 确定当前通知数目所处的当前数目区间；
将当前的 CCCH上 NCH块数调整为当前数目区间对应的预设 NCH块 数。
本发明实施例提供的公共控制信道配置的调整方法， 当小区内组呼业
务的当前通知数目大于小区当前的 CCCH上 NCH块数能承载的通知的最多 数目时， 基站控制器将 CCCH上 NCH块数调大， 相比现有 CCCH信道的 静态配置，上述调整方法避免出现 NCH块数配置过少而小区内通知较多的 情况， 使终端用户及时地接入组呼业务， 保证通知的调度效率。
另外， 现有技术还存在另一个问题： 如果通过配置多个 NCH块（大于 等于两块）来解决通知调度效率的问题， 当小区的组呼业务少时，由于 NCH 与 AGCH、 PCH 共享 CCCH, 势必造成 NCH 块数的浪费， 也就造成 NCHCCCH块数的浪费（这是因为 NCHCCCH块包含 NCH块）， 进而影响 立即指派及寻呼消息的发送效率。 为了解决现有技术的上述问题， 本发明 实施例提供的上述调整方法还可以包括以下步驟：
在当前通知数目小于 CCCH上 NCH块数能承载的通知的最少数目时， 基站控制器将 CCCH上 NCH块数调小。
该步驟可具体实施为以下方式：
在当前通知数目小于 CCCH上 NCH块数能承载的通知的最少数目时， 确定当前通知数目所处的当前数目区间；
将当前的 CCCH上 NCH块数调整为当前数目区间对应的预设 NCH块 数。
上述调整方法， 当小区内组呼业务的当前通知数目小于小区当前的 CCCH上 NCH块数能承载的通知的最少数目时， 基站控制器将 CCCH上 NCH块数调小， 相比现有 CCCH信道的静态配置， 上述调整方法避免出现 小区内通知较少而 NCH块数配置过多的情况， 避免造成 NCHCCCH块数 的浪费， 不影响立即指派及寻呼消息的发送效率。
需要说明的是， 在调整 NCH块数时， 可注意调整幅度， 尤以使当前通 知数目落入调整后的 NCH块数能承载的通知的数目区间为宜，这样不仅能 使终端用户及时地接入组呼业务， 保证通知的调度效率， 而且还不会造成
NCH块数的浪费， 不影响立即指派及寻呼消息的发送效率。
下面举具体实施例说明本发明实施例提供的调整方法： 第一步、 NCH块数动态调整涉及的相关配置。
1、 CCCH配置的初始态默认配置一个 NCH块数， 并下发给基站； 后续 CCCH信道的配置情况可以通过后台查询获取；
2、 配置 NCH负载的上报周期为 1秒， 并下发给基站；
3、 BSC ( Base Station Controller, 基站控制器 ) 配置 NCH块数 1到 7 块各自能承载的通知的最多数目和最少数目， 表示为通知数目区间， 如下 表 1所示：
表 1
第二步、 基站上电后， BTS ( Base Transceiver Station, 基站收发台） 以 1秒为周期向 BSC上报 NCH负载指示， NCH负载指示包含上报时刻小区 内组呼业务的通知数目。
第三步、 BSC根据连续 3个周期上报的 NCH信道负载指示进行 NCH 块数的动态调整。
NCH信道负载指示序号及通知数目如下表 2:
NCH 负载指示上 NCH 负载指示包
报序号 含的通知数目
1 8
2 9
3 11
4 11
5 11
表 2
1、 BSC确定当前通知数目；
根据表 1 , 如果当前 NCH块数为 1 , 则当前 NCH块数能承载的通知的 最多数目为 10;
根据表 2, 指示 1、指示 2、指示 3中分别携带了 8、 9、 11的通知数目， 由于 8、 9、 11处于表 1中的不同数目区间， 则 BSC可确定当前通知数目为 11或者 8; 如果这三个指示中分别携带了 8、 9、 8的通知数目， 由于 8、 9、 8处于表 1中的同一数目区间， 则 BSC可确定当前通知数目为 8。
2、 BSC根据当前通知数目与当前 NCH块数能承载的最多数目或最少 数目的大小关系、 以及表 1对 NCH块数进行调整；
根据表 1 , 如果当前 NCH块数为 1 , 则当前 NCH块数能承载的通知的 最多数目为 10; 如果当前通知数目为 11 , 由于 11 (当前通知数目 ） 大于 10 (当前 NCH块数能承载的通知的最多数目 ）， 因此， BSC应将 CCCH上 NCH块数调大， 根据表 1 , 由于 11处于 NCH块数为 2所能承载的通知的 数目区间， 因此， BSC可将 CCCH上 NCH块数调为 2个； 如果当前通知 数目为 8, 由于 8 (当前通知数目 ）既不大于 10 (当前 NCH块数能承载的 通知的最多数目）， 也不小于当前 NCH块数能承载的通知的最少数目， 因 此， BSC不调整 CCCH上 NCH块数， 保持 CCCH当前配置不变。
根据表 1 , 如果当前 NCH块数为 2, 则当前 NCH块数能承载的通知的 最少数目为 11; 如果当前通知数目为 8, 由于 8小于 11 , 因此， BSC应将
CCCH上 NCH块数调小， 根据表 1 , 由于 8处于 NCH块数为 1所能承载 的通知的数目区间， 因此， BSC可将 CCCH上 NCH块数调为 1个。
该具体实施例利用本发明实施例提供的调整方法， 根据当前通知数目 动态调整 CCCH上 NCH块数，使 CCCH上 NCH块数与小区组呼业务实际 需要协调配合， 避免出现 NCH块数配置过少而小区内通知较多的情况， 使 终端用户及时地接入组呼业务， 保证通知的调度效率。 进一步地， 避免出 现小区内通知较少而 NCH块数配置过多的情况， 避免造成 NCH块数的浪 费， 不影响立即指派及寻呼消息的发送效率。
如图 2所示， 对应上述公共控制信道配置的调整方法， 本发明实施例 还提供了一种基站控制器， 包括：
确定模块， 用于确定小区内组呼业务的当前通知数目；
调整模块， 用于在当前通知数目大于小区当前的公共控制信道上通知 信道块数能承载的通知的最多数目时， 基站控制器将公共控制信道上通知 信道块数调大。
上述调整模块， 还用于在当前通知数目小于公共控制信道上通知信道 块数能承载的通知的最少数目时， 将公共控制信道上通知信道块数调小。
另外， 上述的基站控制器， 还可包括：
存储模块， 用于保存各种预设通知信道块数各自对应的数目区间， 数 目区间的最大值为对应预设通知信道块数能承载的通知的最多数目、 最小 值为对应预设通知信道块数能承载的通知的最少数目， 各数目区间之间没 有交集， 大的预设通知信道块数能承载的通知的最少数目大于小的预设通 知信道块数能承载的通知的最多数目。
本发明实施例提供的上述基站控制器根据当前通知数目动态调整
CCCH上 NCH块数， 使 CCCH上 NCH块数与小区组呼业务实际需要协调 配合， 避免出现 NCH块数配置过少而小区内通知较多的情况， 使终端用户
及时地接入组呼业务， 保证通知的调度效率。 进一步地， 避免出现小区内 通知较少而 NCH块数配置过多的情况， 避免造成 NCHCCCH块数的浪费， 不影响立即指派及寻呼消息的发送效率。
另外， 对应上述公共控制信道配置的调整方法， 本发明实施例还提供 了一种公共控制信道配置的调整系统， 包括：
基站收发台， 用于发送小区内组呼业务的当前通知数目信息或者按周 期发送小区内组呼业务的多个通知信道负载指示；
基站控制器， 用于根据当前通知数目信息或者多个通知信道负载指示 确定小区内组呼业务的当前通知数目； 在当前通知数目大于小区当前的公 共控制信道上通知信道块数能承载的通知的最多数目时， 将公共控制信道 上通知信道块数调大； 在当前通知数目小于公共控制信道上通知信道块数 能承载的通知的最少数目时， 将公共控制信道上通知信道块数调小。
本发明实施例提供的上述公共控制信道配置的调整系统， 根据当前通 知数目动态调整 CCCH上 NCH块数，使 CCCH上 NCH块数与小区组呼业 务实际需要协调配合，避免出现 NCH块数配置过少而小区内通知较多的情 况， 使终端用户及时地接入组呼业务， 保证通知的调度效率。 进一步地， 避免出现小区内通知较少而 NCH块数配置过多的情况， 避免造成 NCH块 数的浪费， 不影响立即指派及寻呼消息的发送效率。
本领域普通技术人员可以理解， 实现上述事实的方法中的全部或部分 步驟是可以通过程序来指令相关的硬件来完成， 上述的程序可以存储于一 计算机所可读取的存储介质中， 该程序在执行时， 包括上述的步驟。 上述 的存储介质， 可以是 ROM/RAM、 磁盘、 光盘等。
以上所述是本发明的优选实施方式， 应当指出， 对于本技术领域的普 通技术人员来说， 在不脱离本发明所述原理的前提下， 还可以作出若干改 进和润饰， 这些改进和润饰也应视为本发明的保护范围。
Claims
1、 一种公共控制信道配置的调整方法， 其特征在于， 包括： 基站控制器确定小区内组呼业务的当前通知数目；
当所述当前通知数目大于所述小区当前的公共控制信道上通知信道块 数能承载的通知的最多数目时， 所述基站控制器将所述公共控制信道上通 知信道块数调大。
2、 如权利要求 1所述的调整方法， 其特征在于， 还包括：
当所述当前通知数目小于所述公共控制信道上通知信道块数能承载的 通知的最少数目时， 所述基站控制器将所述公共控制信道上通知信道块数 调小。
3、 如权利要求 1或 2所述的调整方法， 其特征在于， 所述基站控制器 确定小区内组呼业务的当前通知数目， 具体为：
所述基站控制器获取基站收发台发送的当前通知数目信息；
所述基站控制器根据所述当前通知数目信息确定所述当前通知数目； 或者，
所述基站控制器获取所述基站收发台在连续多个周期中发送的多个通 知信道负载指示；
所述基站控制器根据所述多个通知信道负载指示确定所述当前通知数 目。
4、 如权利要求 3所述的调整方法， 其特征在于， 所述基站控制器根据 所述多个通知信道负载指示确定所述当前通知数目， 具体为：
当所述多个通知信道负载指示各自携带的通知数目位于不同的数目区 间时， 确定最后获取的通知信道负载指示携带的通知数目或者最少的通知 数目为所述当前通知数目；
当所述多个通知信道负载指示各自携带的通知数目位于相同的数目区 间时， 确定所述多个通知信道负载指示中任一通知信道负载指示携带的通 知数目为所述当前通知数目；
其中， 所述数目区间对应一预设通知信道块数， 所述数目区间的最大 值为所述预设通知信道块数能承载的通知的最多数目、 最小值为所述预设 通知信道块数能承载的通知的最少数目， 各数目区间之间没有交集， 大的 预设通知信道块数能承载的通知的最少数目大于小的预设通知信道块数能 承载的通知的最多数目。
5、 如权利要求 4所述的调整方法， 其特征在于，
所述最多数目等于所述小区当前的公共控制信道上通知信道块数乘以 一个通知信道块数能承载的通知的最多数目， 或者根据用户对接入及时性 的要求进行配置；
所述最少数目等于所述小区当前的公共控制信道上通知信道块数能承 载的通知的最多数目减去一个通知信道块数能承载的通知的最多数目， 或 者根据系统对通知信道有效利用率的要求进行配置。
6、 如权利要求 4所述的调整方法， 其特征在于，
所述当所述当前通知数目大于所述小区当前的公共控制信道上通知信 道块数能承载的通知的最多数目时， 所述基站控制器将所述公共控制信道 上通知信道块数调大， 具体为：
当所述当前通知数目大于所述小区当前的公共控制信道上通知信道块 数能承载的通知的最多数目时， 确定所述当前通知数目所处的当前数目区 间；
将所述通知信道块数调整为所述当前数目区间对应的预设通知信道块 数；
和 /或， 所述当所述当前通知数目小于所述公共控制信道上通知信道块 数能承载的通知的最少数目时， 所述基站控制器将所述公共控制信道上通 知信道块数调小， 具体为：
当所述当前通知数目小于所述公共控制信道上通知信道块数能承载的 通知的最少数目时， 确定所述当前通知数目所处的当前数目区间；
将所述通知信道块数调整为所述当前数目区间对应的预设通知信道块 数。
7、 一种基站控制器， 其特征在于， 包括：
确定模块， 用于确定小区内组呼业务的当前通知数目；
调整模块， 用于当所述当前通知数目大于所述小区当前的公共控制信 道上通知信道块数能承载的通知的最多数目时， 所述基站控制器将所述公 共控制信道上通知信道块数调大。
8、 如权利要求 7所述的基站控制器， 其特征在于，
所述调整模块， 还用于当所述当前通知数目小于所述公共控制信道上 通知信道块数能承载的通知的最少数目时， 将所述公共控制信道上通知信 道块数调小。
9、 如权利要求 8所述的基站控制器， 其特征在于， 还包括： 存储模块， 用于保存各种预设通知信道块数各自对应的数目区间， 所 述数目区间的最大值为对应预设通知信道块数能承载的通知的最多数目、 最小值为所述对应预设通知信道块数能承载的通知的最少数目， 各数目区 间之间没有交集， 大的预设通知信道块数能承载的通知的最少数目大于小 的预设通知信道块数能承载的通知的最多数目。
10、 一种公共控制信道配置的调整系统， 其特征在于， 包括： 基站收发台， 用于发送小区内组呼业务的当前通知数目信息或者按周 期发送所述小区内组呼业务的多个通知信道负载指示；
基站控制器， 用于根据所述当前通知数目信息或者多个通知信道负载 指示确定所述小区内组呼业务的当前通知数目； 当所述当前通知数目大于 所述小区当前的公共控制信道上通知信道块数能承载的通知的最多数目 时， 将所述公共控制信道上通知信道块数调大； 当所述当前通知数目小于 所述公共控制信道上通知信道块数能承载的通知的最少数目时， 将所述公 共控制信道上通知信道块数调小。
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