WO2009036621A1 - Procédé de déclenchement d'un appel pour un terminal de communication numérique à ressources partagées - Google Patents

Procédé de déclenchement d'un appel pour un terminal de communication numérique à ressources partagées Download PDF

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Publication number
WO2009036621A1
WO2009036621A1 PCT/CN2007/003501 CN2007003501W WO2009036621A1 WO 2009036621 A1 WO2009036621 A1 WO 2009036621A1 CN 2007003501 W CN2007003501 W CN 2007003501W WO 2009036621 A1 WO2009036621 A1 WO 2009036621A1
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WO
WIPO (PCT)
Prior art keywords
call
control unit
calling
message
communication terminal
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PCT/CN2007/003501
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English (en)
French (fr)
Inventor
Hui Yang
Sen Li
Kaiyue He
Original Assignee
Zte Corporation
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Publication date
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Publication of WO2009036621A1 publication Critical patent/WO2009036621A1/zh

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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
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present invention relates to the field of digital trunking communications, and in particular, to a calling method for a digital trunking communication terminal. Background technique
  • the digital trunking communication system is an important branch of the mobile communication system, and is a mobile communication system applied to the group dispatching command communication.
  • FIG. 1 is a schematic diagram of the network structure of a digital trunking communication system.
  • the digital trunking communication system network mainly includes: a cluster terminal (a cylinder terminal) 1 , a base station subsystem 2, and a scheduling subsystem 3. among them:
  • a cluster terminal is a terminal device that has a cluster service function and is the main device for the cluster network to interact with the terminal user.
  • the cluster terminal includes: a terminal hardware drive control unit (referred to as a hardware control unit), a user interface display control unit, a terminal call control unit, and a terminal main control unit.
  • a terminal hardware drive control unit referred to as a hardware control unit
  • a user interface display control unit referred to as a user interface display control unit
  • a terminal call control unit referred to as a terminal main control unit.
  • the terminal hardware drive control unit also known as HS (HandSet) is mainly used for direct hardware control, such as: button detection, LCD (Liquid Crystal Display) interface refresh, memory processing, etc.
  • the HS does not process specific business content.
  • the user interface display control unit also known as the UI (User Interface) is the upper layer of the HS and is mainly used to process the signals and data sent by the HS. For example, the HS sends a button message that is pressed by the button 1. After receiving the button message, the UI determines whether the current call or phonebook processing operation should be performed according to the function definition of the button 1.
  • the HS is responsible for the LCD interface display, and the specific display content is provided by the UI.
  • the terminal call control unit referred to as CM (Call Manage) is used for call management and is mainly responsible for controlling the entire call flow. For example, the UI reports that the user presses the call button to request a call, but whether the call is allowed at this time (if the text message is being sent, the call cannot be initiated) is controlled by the CM.
  • the terminal control unit referred to as MC (Main Control), is the overall control unit. It is mainly used for overall management of each software and hardware unit, and is also responsible for communication with the system side, that is, responsible for transmitting and receiving signaling.
  • the base station subsystem 2 is a base station system with a cluster service function, and completes the access function of the terminal, and is a main device for connecting the terminal and the scheduling subsystem.
  • the scheduling subsystem 3 is used to complete the control and management functions of the terminal cluster service in the service area, and is the control center of the cluster service.
  • the base station subsystem 2 and the scheduling subsystem 3 are hereinafter referred to as a base station scheduling subsystem, or a system side.
  • FIG. 2 is a schematic diagram of signaling interaction of a method for calling a digital trunking communication terminal in the prior art. As shown
  • the method includes the following steps:
  • Step 201 The user presses the calling button to prepare to initiate a call
  • Step 202 The HS detects that the call key is pressed, and sends a call message to the UI to notify the UI to prepare a call;
  • Step 203 After receiving the start message sent by the HS, the UI determines whether the call is currently allowed (UI call determination): If the call is allowed, the number matching, the call attribute, and the call type are determined; the above operation is completed. Sending a call message to the CM, notifying the CM to prepare for the call; if the call is not allowed, the call is suspended, and the method ends;
  • Step 204 After receiving the start message sent by the UI, the CM determines whether the call is currently allowed to be called (the CM callback judgment): If the call is allowed, the interface sends a message to the UI, and the UI is notified to perform interface conversion, and sends the message to the MC. The preparation message is sent to notify the MC to prepare for the call; if the call is not allowed, the call is suspended, and the method ends;
  • Step 205 After receiving the call preparation message sent by the CM, the MC performs call initiation determination and processing, and sends the call initiation signaling to the system side after completion.
  • the above UI performs the call determination mainly by judging the UI status and the calling form (calling number, call attribute, call type). For example, if it is currently in the setup menu, the call-up button is pressed and does not indicate a call-up, but the setup content is confirmed or no operation is performed. Another example, if current While the ringing phase (as the called party is ringing), the call button is pressed and does not indicate a call, but is answered. Only in the set UI state, such as the phone book status, or the idle state in which the speed dial is set, pressing the call button is the starting call.
  • the set UI state such as the phone book status, or the idle state in which the speed dial is set
  • the above CM performs the call determination mainly to judge the current terminal status. For example, if there is no signal currently, or a short message is being sent or is in the data service, the calling is not allowed, and the calling message is not sent; only when the calling parameter and the current terminal state satisfy the calling condition (if the calling parameter is correct, the terminal is idle) , there is a signal, etc.) to allow the terminal to send a call message.
  • the above-mentioned prior art calling method adopts a serial execution mode, and needs to perform a large number of business operations and interactions in sequence, the process is cumbersome, and the calling processing efficiency is low.
  • the UI has a low priority, it is easy to be interrupted by other tasks with higher priority during execution, thus extending the call time.
  • the above-mentioned prior art calling method requires about 120 - 200 ms, which cannot meet the real-time requirements of the cluster users. Summary of the invention
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to propose a calling method for a digital trunking communication terminal that can quickly initiate a call.
  • the present invention provides a calling method for a digital trunking communication terminal, which is characterized in that the method comprises the following steps:
  • the hardware drive control unit detects that the call-up button is pressed and sends a quick start message to the call control unit;
  • the call control unit sends a call preparation message including the fast start number to the main control unit;
  • the main control unit sends the call origination signaling to the base station scheduling subsystem according to the call preparation message.
  • step A) also includes the following steps:
  • A1 The user sets the call parameters and saves them in the memory
  • the quick call number is included in the call parameters;
  • the call control unit acquires the quick start number from the memory and includes it in the call preparation message.
  • the calling parameter and the call preparation message further include: a call attribute and a call type corresponding to the fast start number.
  • step A1) the following steps are also included:
  • the user interface display control unit sets the fast call sign flag to true when the interface state transitions to the idle state; sets the fast call sign flag to false when the interface state transitions from the idle state to the other state;
  • step A it is detected that the fast-calling flag bit is also determined after the call-up key is pressed, and the fast-sending call message is sent only when the flag bit is true.
  • step B) the call control unit determines whether the call is currently allowed based on the current terminal status.
  • the terminal status includes: a call state and a signal state
  • step B it is determined that the current call is allowed only when the call state is idle and the signal state is a signal.
  • step B the following steps are also included:
  • the call control unit sends an interface conversion message to the user interface display control unit
  • the user interface display control unit performs interface conversion.
  • step A) further comprises the following steps:
  • the hardware drive control unit sends a user call message to the user interface display control unit.
  • step A1) the call type is set to group call.
  • step A1 the setting and saving operation of the caller parameter is performed when the terminal is in an idle state.
  • the invention changes the original call processing flow of the terminal of the digital trunking communication system by changing and optimizing, and changes the original serial processing flow into a parallel processing flow, and the method of not processing or delaying the event irrelevant to the calling message is processed. , effectively improve the user's starting speed, better meet the requirements of digital cluster users.
  • FIG. 1 is a schematic diagram of a network structure of a digital trunking communication system
  • FIG. 2 is a schematic diagram of signaling interaction of a method for calling a digital trunking communication terminal in the prior art
  • FIG. 3 is a flowchart of a method for calling a digital trunking communication terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of signaling interaction of a calling method of a digital trunking communication terminal according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for calling a digital trunking communication terminal according to an embodiment of the present invention. As shown in Figure 3, the method includes the following steps:
  • Step 301 The user sets a quick start number, and saves the number in the terminal memory.
  • Setting the quick start number is to associate the call button (PTT button) with the number.
  • the call attribute is the call priority of the fast call number, for example, normal, emergency, and the like.
  • Call types can be divided into: single call, group call, and so on.
  • the call type is set to a group call.
  • the user sets the fast call number and call attribute and call type when the terminal is idle.
  • Step 302 When the user presses the call button to initiate a call, the HS sends a quick call message directly to the CM;
  • the quick call number can be used multiple times after setting, and the previous setting will be automatically overwritten each time it is reset.
  • a fast-calling call cannot be made without setting a fast-calling number.
  • There are many ways to set a quick-call number For example, you can default the first record in the phone book to a quick-call number.
  • the user sends a user start message to the UI; after receiving the user's call message, the UI performs the number matching, the call attribute, the call type judgment, etc. (for the interface display), but There is no need to send a call to the CM.
  • the CM After receiving the call message, the CM performs a subsequent call flow, and sends an interface conversion message to the UI to notify the UI to perform a call interface conversion operation.
  • the time when the UI receives the user's call message and the interface switch message is in no particular order. These two messages are not associated, so the first-time first execution will not cause a problem.
  • FIG. 4 is a schematic diagram of signaling interaction of a calling method of a digital trunking communication terminal according to an embodiment of the present invention. As shown in Figure 4, the method can be divided into the following three processes: a quick call preparation process, a fast call initiation process, and a quick start process, which specifically includes the following steps:
  • the quick call preparation process is a preparation step performed by the terminal in an idle state, including the whole process of the quick call preparation work before the user presses the call button.
  • the user sets the fast start number: In the idle state of the terminal, the user sets the fast start number and the corresponding call attribute and call type;
  • the terminal After the user completes the setting of the quick start number, the terminal saves the calling number, the call attribute, the call type and the like parameters input by the user in the terminal memory for use in initiating a quick call;
  • the UI performs the setting of the fast call sign bit: the UI determines whether the current state allows the terminal to Call, if allowed, set the fast call sign bit to TRUE, otherwise set to FALSE;
  • the fast start call is allowed to be initiated only when the current UI state is the idle interface (idle state), the fast call sign flag is set to TRUE, and the other interface (status) is set to the fast call start flag bit to FALSE.
  • HS performs button detection: When the user presses the calling button to initiate the call of the fast-calling number, the HS detects that the user presses the calling button, and then determines the fast-calling flag:
  • the HS sends a fast start message to the CM.
  • the HS sends a user start message to the UI.
  • the CM After receiving the fast start call message, the CM obtains the call preparation information, that is, reads the call initiation parameter stored in the memory, and copies it into the parameter of the call preparation message;
  • the above call parameters include: a fast call number and corresponding call attributes and call types.
  • the CM performs a call initiation judgment, that is, determines whether the call is currently allowed according to the terminal status, and if yes, performs the next step; otherwise, the current call is terminated, and the method ends.
  • the terminal status includes: a call state, for example, other voice, data service, or idle; and a signal state, for example, with or without a signal.
  • a call state for example, other voice, data service, or idle
  • a signal state for example, with or without a signal.
  • the CM sends a call preparation message to the MC, and sends an interface conversion message to the UI.
  • the call preparation message includes a caller number such as a fast call number and a corresponding call attribute and call type.
  • the quick start number can be included in the above interface conversion message.
  • the MC After receiving the call preparation message sent by the CM, the MC adjusts to the base station according to the calling parameter.
  • the 1 degree subsystem (system side) sends the origination signaling.
  • the start-up signaling includes a caller number such as a fast call number and a corresponding call attribute and call type.
  • the call attribute and the call type can also be set to the default type.
  • the default type of call attribute is normal (priority), and the call type is group call.
  • the call origination message may only contain the fast caller number.
  • the UI performs an interface conversion operation after receiving the interface conversion message.
  • the UI may display the fast calling number included in the interface conversion message on the converted interface, or obtain the quick calling number from the memory and display it on the converted interface.
  • the UI After receiving the user's call message, the UI performs operations such as number matching, call attribute, and call type judgment (for interface display).
  • the time when the UI receives the user's call message and the interface switch message is in no particular order, and the first received process is processed first.
  • the calling method of the present invention enables the terminal based on the digital trunk system to be shorter after receiving the user's call button message.
  • the preparation for the user's call is completed within the time and the call-to-call signaling is sent, which greatly increases the user's call access speed.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Description

一种数字集群通讯终端的起呼方法 技术领域
本发明涉及数字集群通讯领域，尤其涉及一种数字集群通讯终端的起呼 方法。 背景技术
数字集群通讯系统是移动通讯系统的一个重要分支，是一种应用于集团 调度指挥通讯的移动通讯系统。主要应用于专业移动通讯领域，如政府部门， 军队， 警务， 铁路、 水利、 民航及钢铁物流等各行各业。
. 图 1为数字集群通讯系统的网络结构示意图。如图 1所示，数字集群通 讯系统网络主要包括： 集群终端（筒称终端） 1 , 基站子系统 2, 调度子系 统 3。 其中：
集群终端是具备集群业务功能的终端设备，是集群网络与终端用户进行 交互的主要设备。
集群终端中包括： 终端硬件驱动控制单元（简称硬件控制单元）， 用户 界面显示控制单元， 终端呼叫控制单元， 终端主控单元。
终端硬件驱动控制单元， 也称作 HS ( HandSet, 手持机）， 主要用于进 行硬件的直接控制， 例如： 按键检测， LCD ( Liquid Crystal Display, 液晶显 示屏）界面刷新， 内存处理等。 HS不进行具体的业务内容的处理。
用户界面显示控制单元， 也称作 UI ( User Interface, 用户界面） , 是 HS的上层， 主要用于对 HS发送的信号和数据进行处理。 例如， HS发送按 键 1被按下的按键消息， 接收到该按键消息后， UI根据按键 1的功能定义 判断当前应当进行起呼还是电话本处理操作。 HS负责 LCD界面显示，具体 显示的内容由 UI提供。
终端呼叫控制单元， 简称 CM ( Call Manage, 呼叫控制）， 用于呼叫管 理， 主要负责控制整个呼叫流程。 例如， UI上报用户按下起呼键， 要求起 呼，但此时是否允许起呼（如正在发短信，则不能起呼）则是由 CM控制的。 终端主控单元， 简称 MC ( Main Control, 主控） ， 是整体控制单元， 主要用于对各软硬件单元进行整体管理，也负责与系统侧进行通讯， 即负责 发送和接收信令。
基站子系统 2,是具备集群业务功能的基站系统，完成终端的接入功能， 是连接终端和调度子系统的主要设备。
调度子系统 3， 用于完成对服务区内终端集群业务的控制和管理功能， 是集群业务的控制中心。
为了描述简便，下文中将基站子系统 2和调度子系统 3合并称为基站调 度子系统， 或系统侧。
图 2是现有技术中数字集群通讯终端起呼方法的信令交互示意图。如图
2所示， 该方法包括如下步骤：
步骤 201 : 用户按下起呼键准备发起呼叫；
步骤 202: HS检测到起呼键被按下， 向 UI发送起呼消息， 通知 UI准 备起呼；
步骤 203: UI收到 HS发送的起呼消息后， 判断当前是否允许起呼 ( UI 起呼判断）： 如果允许起呼， 则进行号码匹配、 呼叫属性和呼叫类型的判断 等操作； 上述操作完成后向 CM发送起呼消息， 通知 CM准备起呼； 如果不 允许起呼， 则中止本次呼叫， 本方法结束；
步骤 204: CM接收到 UI发送的起呼消息后，判断当前是否允许起呼（ CM 起呼判断）： 如果允许起呼， 向 UI发送界面转换消息，通知 UI进行界面转 换， 并向 MC发送起呼准备消息， 通知 MC准备起呼； 如果不允许起呼， 则 中止本次呼叫， 本方法结束；
步骤 205: MC接收到 CM发送的起呼准备消息后， 进行起呼判断和处 理， 完成后向系统侧发送起呼信令。
. 上述 UI进行起呼判断主要是对 UI状态和起呼格式（起呼号码、呼叫属 性、 呼叫类型）进行判断。 例如， 若当前处于设置菜单， 则起呼键被按下并 不表示起呼， 而是对设置内容进行确认或不进行任何操作。 又例如， 若当前 正在响铃阶段（作为被叫正在振铃）， 则通话键被按下也不表示起呼， 而是 进行接听。 只有在设定的 UI状态下， 如电话本状态， 或设置了快速拨号的 空闲状态下， 按下起呼键才是起呼。
上述 CM进行起呼判断主要是对当前终端状态进行判断。例如，若当前 没有信号或者正在发送短信或者正处于数据业务，则不允许起呼， 不发送起 呼消息； 只有起呼参数和当前终端状态满足起呼条件时（如起呼参数正确， 终端空闲， 有信号等）才允许终端发送起呼消息。
上述现有技术中的起呼方法采用了串行执行的方式，需要顺序执行大量 的业务操作和交互， 过程繁瑣， 起呼处理效率低。 此外， 由于 UI的运行优 先级很低，在执行过程中很容易被其它具有较高优先级的任务中断，从而延 长起呼时间。 通常， 执行上述现有技术的起呼方法， 约需要 120 - 200ms, 不能满足集群用户的实时性要求。 发明内容
本发明所要解决的技术问题是，克服现有技术的不足，提出一种可快速 发起起呼的数字集群通讯终端的起呼方法。
为了解决上述问题，本发明提供一种数字集群通讯终端的起呼方法，其 特征在于， 该方法包含如下步骤：
A )硬件驱动控制单元检测到起呼键被按下后向呼叫控制单元发送快速 起呼消息；
B )若当前允许起呼， 呼叫控制单元将包含快速起呼号码的起呼准备消 息发送至主控单元；
C )主控单元根据起呼准备消息向基站调度子系统发送起呼信令。
此外， 步骤 A )之前还包含如下步骤：
A1 )用户设置起呼参数， 并将其保存在存储器中;
起呼参数中包含所述快速起呼号码； 在步骤 B )中， 所述呼叫控制单元从存储器中获取所述快速起呼号码并 将其包含在所述起呼准备消息中。
此外， 所述起呼参数和起呼准备消息中还包含： 所述快速起呼号码对应 的呼叫属性和呼叫类型。
此外， 在步骤 A1 )后还包含如下步骤：
A2 )用户界面显示控制单元在界面状态转换为空闲状态时将快速起呼 标志位设置为真；在界面状态由空闲状态转换为其它状态时将快速起呼标志 位设置为假；
在步骤 A ) 中， 检测到起呼键被按下后还对快速起呼标志位进行判断， 仅在该标志位为真时发送所述快速起呼消息。
此外， 在步骤 B )中， 呼叫控制单元才艮据当前的终端状态判断当前是否 允许起呼。
此外， 所述终端状态包含： 通话状态和信号状态；
步骤 B )中， 仅当通话状态为空闲且信号状态为有信号时判定当前允许 起呼。
此外， 步骤 B )之后还包含如下步骤：
B1 )呼叫控制单元向用户界面显示控制单元发送界面转换消息；
B2 )用户界面显示控制单元进行界面转换。
此外， 步骤 A )之后还包含如下步驟： 硬件驱动控制单元向用户界面显 示控制单元发送用户起呼消息。
此外， 在步骤 A1 ) 中， 将呼叫类型设置为组呼。
此外， 在步骤 A1 )中， 当终端处于空闲状态下时进行所述起呼参数的 设置和保存操作。 . 本发明通过改变和优化数字集群通讯系统终端的起呼处理流程，将原有 的串行处理流程改为并行处理流程，并通过将与起呼消息无关的事件不处理 或者延后处理的方法，有效地提高了用户的起呼速度， 更好地满足数字集群 用户的要求。 附图概述
图 1为数字集群通讯系统的网絡结构示意图；
图 2是现有技术中数字集群通讯终端起呼方法的信令交互示意图； 图 3为本发明实施例数字集群通讯终端的起呼方法流程图；
图 4为本发明实施例数字集群通讯终端的起呼方法信令交互示意图。
本发明的较佳实施方式
下面将结合附图和实施例对本发明进行描述。
首先结合图 3对本发明进行筒要描述。
图 3为本发明实施例数字集群通讯终端的起呼方法流程图。如图 3所示， 该方法包含 ^下步骤：
步骤 301 : 用户设置快速起呼号码， 将该号码保存在终端存储器中；
. 设置快速起呼号码就是将起呼键（ PTT键）与该号码进行关联。
用户设置快速起呼号码的同时还可以设置并保存该号码的呼叫属性和 呼叫类型。
呼叫属性为该快速起呼号码的呼叫优先级， 例如， 普通、 紧急等。
呼叫类型可分为： 单呼， 组呼等。 本实施例中将呼叫类型设置为组呼。 通常，用户在终端空闲状态下进行快速起呼号码和呼叫属性、呼叫类型 的设置。
步骤 302: 当用户按下起呼键发起呼叫时， HS将快速起呼消息直接发 送给 CM; 步骤 303: CM接收到上述快速起呼消息后，直接进行后续的呼叫流程， 即直接进行上述 CM起呼判断，并向 MC发送起呼准备消息等处理， 以实现 终端快速起呼。
在上述步驟 301中， 快速起呼号码设置后可以多次使用，每次重新设置 后将自动覆盖前一次的设置。 不设置快速起呼号码无法进行快速起呼呼叫。 设置快速起呼号码有很多方式，例如，可以将电话本中的第一条记录默认为 快速起呼号码。
HS直接向 CM发送所述快速起呼消息后， 再向 UI发送用户起呼消息； UI接收到用户起呼消息后执行号码匹配、 呼叫属性、 呼叫类型判断等操作 (以便进行界面显示） ， 但无需向 CM发送起呼消息。 CM收到起呼消息后 进行后续的呼叫流程，并向 UI发送界面转换消息通知 UI进行起呼界面转换 等操作。 UI收到用户起呼消息和界面转换消息的时间不分先后， 这两个消 息没有关联， 所以先到者先执行， 不会引发问题。
下面将结合图 4对本发明进行详细描述。
图 4为本发明实施例数字集群通讯终端的起呼方法信令交互示意图。如 图 4所示， 该方法可分为如下三个流程： 快速起呼准备流程， 快速起呼发起 流程， 快速起呼后续流程， 具体包含如下步骤：
快速起呼准备流程
快速起呼准备流程是终端在空闲状态下进行的准备步骤，包括用户按下 起呼键前的快速起呼准备工作的全过程。
401: 用户设置快速起呼号码： 在终端空闲状态下， 用户设置快速起呼 号码以及相应的呼叫属性和呼叫类型；
402:在用户完成快速起呼号码的设置后，终端将用户输入的起呼号码， 呼叫属性， 呼叫类型等起呼参数， 保存在终端存储器中， 以供发起快速起呼 时使用；
403: UI进行快速起呼标志位的设置： UI判断当前状态是否允许终端起 呼，如果允许，则将快速起呼标志位设置为 TRUE (真），否则设置为 FALSE (假）；
仅在当前 UI状态为空闲界面 （空闲状态） 时才允许发起快速起呼， 将 快速起呼标志位设置为 TRUE, 进入其它界面（状态）则将快速起呼标志位 设置为 FALSE。
如用户修改快速起呼号码， 则需重复完成步驟 101 ~ 103。
快速起呼发起流程
404: HS进行按键检测： 当用户按下起呼键， 发起所述快速起呼号码的 呼叫时， HS检测到用户按下起呼键后， 对快速起呼标志位进行判断：
若快速起呼标志位为 TRUE， 则执行下一步； 否则， 按现有技术中的起 呼流程完成起呼， 本方法结束；
405: HS向 CM发送快速起呼消息；
406: HS向 UI发送用户起呼消息；
407: CM接收到快速起呼消息后， 获取起呼准备信息， 即读取保存在 存储器中的起呼参数， 并其复制到起呼准备消息的参数中；
上述起呼参数包含： 快速起呼号码及相应的呼叫属性和呼叫类型。
408: CM进行起呼判断， 即根据终端状态判断当前是否允许起呼， 如 果允许， 则执行下一步； 否则中止本次呼叫， 本方法结束。
终端状态包含： 通话状态，例如，正进行其它语音、数据业务，或空闲； 和信号状态， 例如， 有信号或无信号等。
409: CM向 MC发送起呼准备消息， 并向 UI发送界面转换消息。
上述起呼准备消息中包含快速起呼号码及相应的呼叫属性和呼叫类型 等起呼参数。
上述界面转换消息中可以包含快速起呼号码。
410: MC接收到 CM发送的起呼准备消息后， 根据起呼参数向基站调 1 度子系统（系统侧）发送起呼信令。
上迷起呼信令中包含快速起呼号码及相应的呼叫属性和呼叫类型等起 呼参数。
当然， 也可以将呼叫属性和呼叫类型设置为缺省的类型， 例如， 呼叫属 性的缺省类型为普通（优先级）， 呼叫类型为组呼。 在这种情况下， 起呼准 备消息中可仅包含快速起呼号码。
快速起呼后续流程
411 : UI接收到界面转换消息后执行界面转换操作。
UI可将界面转换消息中包含的快速起呼号码显示在转换后的界面上， 或从存储器中获取快速起呼号码并显示在转换后的界面上。
412: UI接收到用户起呼消息后进行号码匹配、 呼叫属性、 呼叫类型判 断等操作 (以便进行界面显示）。
注意到， UI接收到用户起呼消息和界面转换消息的时间不分先后， 先 接收到的先进行处理。
前）从用户按键到向系统侧发送起呼信令所需时间的对比。
Figure imgf000010_0001
7 160 78
8 115 73
9 128 84
10 120 81
11 130 75
12 142 73
13 112 79
14 131 87
15 139 83
16 149 76
17 126 81
18 137 82
19 145 78
平均 130.3 76.065 优化前后用户按键到起呼消息发送所需时间对比
工 L实用性
由上可知， 通过优化前后用户按键到发送起呼信令所需时间对比可见， 本发明的起呼方法， 使基于数字集群系统的终端在收到用户起呼按键消息 后， 能够在更短的时间内完成用户起呼的准备工作并发出起呼信令， 大幅提 高了用户的起呼接入速度。

Claims

权 利 要 求 书
1、 一种数字集群通讯终端的起呼方法， 其特征在于， 该方法包含如 下步骤：
A )硬件驱动控制单元检测到起呼键被按下后向呼叫控制单元发送快速 起呼消息；
. B )若当前允许起呼， 呼叫控制单元将包含快速起呼号码的起呼准备消 息发送至主控单元；
C )主控单元根据起呼准备消息向基站调度子系统发送起呼信令。
2、 如权利要求 1所述的数字集群通讯终端的起呼方法，其特征在于， 步驟 A )之前还包含如下步骤：
A1 )用户设置起呼参数， 并将其保存在存储器中；
起呼参数中包含所述快速起呼号码；
在步骤 B )中， 所述呼叫控制单元从存储器中获取所述快速起呼号码并 将其包含在所述起呼准备消息中。
3、 如权利要求 2所述的数字集群通讯终端的起呼方法，其特征在于， 所述起呼参数和起呼准备消息中还包含：所述快速起呼号码对应的呼叫属性 和呼叫类型。
4、 如权利要求 2所迷的数字集群通讯终端的起呼方法，其特征在于， 在步驟 A1 )后还包含如下步骤：
A2 )用户界面显示控制单元在界面状态转换为空闲状态时将快速起呼 标志位设置为真；在界面状态由空闲状态转换为其它状态时将快速起呼标志 位设置为假；
在步驟 A ) 中， 检测到起呼键被按下后还对快速起呼标志位进行判断， 仅在该标志位为真时发送所述快速起呼消息。
5、 如权利要求 1所述的数字集群通讯终端的起呼方法，其特征在于， 在步骤 B ) 中， 呼叫控制单元根据当前的终端状态判断当前是否允许起呼。
6、 如权利要求 5所迷的数字集群通讯终端的起呼方法，其特征在于， 所述终端状态包含： 通话状态和信号状态；
步驟 B )中，仅当通话状态为空闲且信号状态为有信号时'判定当前允许 起呼。
7、 如权利要求 1所述的数字集群通讯终端的起呼方法，其特征在于， 步骤 B )之后还包含如下步骤：
B1 )呼叫控制单元向用户界面显示控制单元发送界面转换消息；
B2 )用户界面显示控制单元进行界面转换。
8、 如权利要求 1所述的数字集群通讯终端的起呼方法，其特征在于， 步骤 A )之后还包含如下步骤：硬件驱动控制单元向用户界面显示控制单元 发送用户起呼消息。
9、 如权利要求 3所述的数字集群通讯终端的起呼方法，其特征在于， 在步骤 A1 ) 中， 将呼叫类型设置为组呼。
10、 如权利要求 2所述的数字集群通讯终端的起呼方法，其特征在于， 在步驟 A1 ) 中， 当终端处于空闲状态下时进行所述起呼参数的设置和保存 操作。
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