CN101237700B - A method and mobile terminal for reducing call duration - Google Patents
A method and mobile terminal for reducing call duration Download PDFInfo
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- CN101237700B CN101237700B CN2008100083422A CN200810008342A CN101237700B CN 101237700 B CN101237700 B CN 101237700B CN 2008100083422 A CN2008100083422 A CN 2008100083422A CN 200810008342 A CN200810008342 A CN 200810008342A CN 101237700 B CN101237700 B CN 101237700B
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Abstract
The invention discloses a method for reducing call relay duration and a mobile terminal, wherein the method comprises the following steps: after learning that a user confirms an originating call, the mobile terminal occupies task processing resource to continuously carry out calling information processing till a calling massage is sent to a base station. The method ensures continuous execution of the sending processing of the calling massage, thereby reducing the call relay duration of the mobile terminal and increasing the speed of call establishment of the mobile terminal.
Description
Technical field
The present invention relates to wireless communication system, relate in particular to the method that portable terminal realization short calling is set up in the wireless communication system.
Background technology
Under diversified day by day social demand promoted, mobile communication technology comprised that trunked communication system has obtained development fast.Trunked communication system is a kind of commander, dispatching patcher, refers to one group of wireless channel of multiple users share, and dynamically uses the dedicated mobile communications subsystem of these channels.In some social economies, the relatively advanced country of industrial or agricultural, there is application very widely in this system in the departments such as enterprise, cause, industrial and mineral, oil field, farm, public security, police and army that commander, scheduling feature are had relatively high expectations.Trunked communication system is compared with the common public communication system, at aspects such as security of system, reliability, communication call connecting time, communication delays higher requirement is arranged.For example, for the communication call connecting time, a lot of specialized communication system requirements must not be higher than 1 second under the state of emergency, and in particular application such as railway dispatchings, the call proceeding time of requirement needs less than 300 milliseconds.Trunked communication system has the characteristics that the duration is short, voice frequency is high, and most users can frequently insert, so there is remarkable influence the call proceeding time to the operational paradigm of whole group system.
As shown in Figure 1, the process that portable terminal is set up call proceeding in communication system may further comprise the steps:
Step 101, the user presses the assignment key of portable terminal, and portable terminal carries out internal signal to be handled;
Step 102, portable terminal is to base stations transmit call message;
Step 103, base station are that portable terminal distributes resource requirement and sends the assignment request to switch;
Step 104, switch and other exchanger side equipment (optional) are distributed resource requirement after carrying out alternately;
Step 105, switch sends Assignment Command to the base station;
Step 106, the base station assigns resource also sends Assignment Command to portable terminal, and indicating mobile terminal enters Traffic Channel;
Step 107, portable terminal enters assigned traffic channel, the conversation beginning.
From the above mentioned, the portable terminal connecting time is each treatment step spended time sum shown in Figure 1 in the mobile communication system.The solution that reduces the mobile terminal calling connecting time in the existing mobile communications system mainly concentrates between the equipments of the core network such as wireless devices such as portable terminal and base station, switch on the interaction flow and the optimization and the optimization in exchange side equipment processing time itself of mutual time.For concerning the strict application of connecting time, only still can not obtain good result by the prioritization scheme of above link.Need promptly press the assignment key of portable terminal to the step 101 in the handshaking procedure, be optimized to the process of portable terminal to base stations transmit call message from the user.
In the portable terminal software mainly comprise bottom software, protocol layer software and operate in bottom software and protocol layer software on application software.Wherein, bottom software is the operation operating software such as device driver relevant with task dispatch and hardware; Protocol layer software is mainly finished Signalling exchange and the call establishment with system equipment such as base station, and the signaling of comprise reception, resolving the base station sends signaling and traffic frame with traffic frame and to the base station, is the major part of processing communication protocol stack; Application software is mainly finished the interactive function of man-machine interface.The software of above-mentioned three levels is made up of subtask (or being called process) separately respectively, is dispatched by the embedded OS of portable terminal jointly.
But in the operating system of preemptive type multitask priority scheduling, the process priority of the priority of bottom software, protocol layer software and application software and inner each subtask thereof is different.Protocol layer software is in the processing procedure of receiving the message related to calls that man-machine interface is transmitted, seize CPU if run into high-priority task, then can be forced to hang up message related to calls, after high-priority task disposes by the time, handle this message related to calls again, thereby delay processing time message related to calls.And be scheduled when carrying out in the subtask that protocol layer software is used to intercept the base station radio channel, also can delay access procedure to base stations transmit call message.
As shown in Figure 2, be example with digital group system terminal based on CDMA2000, the general structure of the portable terminal of CDMA2000 standard and module are formed described.Above-mentioned portable terminal mainly comprises with lower module:
The button detection module, HS (HandSet) is used to detect the user and whether supresses assignment key;
Subscriber interface module, UI (User Interface) is used to make up portable terminal and the user carries out mutual interface;
Main control module, MC (Main Control) is used to handle task and other Processing tasks of communication protocol stack, belongs to the module of processing protocol layer software, is the major control module of portable terminal;
Call management module, CM (Call Manager) is the interactive interface module of the MC module module (such as UI) relevant with other and call-handling capability;
Receiver module, RX (Receive) is used to receive the signaling and the traffic frame of base station;
Sending module, TX (Transit) is used for sending signaling and traffic frame to the base station;
The signaling parsing module is used to resolve the signal of TX or RX, and transmits between TX and MC or RX and MC;
Signal search module SRCH (Search), be used for the search with the demodulation wireless signal, and and MC and UI between transmit.
More than each module coexist as preemptible real time operating system (REX with the form of task (process) respectively, Real time Executive Routine, real time executive) in, different tasks has different priority, is higher than the task priority of MC such as the task priority of SRCH, RX, TX.
As shown in Figure 3, the calling procedure of portable terminal may further comprise the steps:
Wherein, step 304 and step 305 are executed in parallel, according to priority assignment CPU time of process separately.When the timing of RX module was interrupted arriving, CPU switched to the RX module design task from the MC module design task, returned the task of MC module after the RX resume module is intact again, and each switching probably can spend the processing time of a few tens of milliseconds.Also have in the processing procedure repeatedly repeatedly and switch, the task of the processing message related to calls of MC module is blocked by many repeated multiple times that the back is interrupted carries out, and presses assignment key from the user like this, is sent to time that the TX module design task spent than length to message related to calls.
The module that other task priority is higher than CM module design task (such as SRCH module, TX module etc.) task also may interrupt the processing of CM module to message related to calls, seize CPU, with in like manner above-mentioned, CPU switches between high-priority task and CM module design task, increase message related to calls and be sent to the time that the TX module design task is spent, thereby increased the mobile terminal calling connecting time.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method that reduces the mobile terminal calling connecting time, accelerates portable terminal and sets up the speed of calling out.
In order to address the above problem, the invention provides a kind of method that reduces call duration, comprising:
Portable terminal is after knowing that the user confirms to make a call, and the task of taking is handled the processing of resource continuous execution message related to calls until sending out message related to calls to the base station.
Further, described portable terminal in the following ways a kind of of processing of continue carrying out message related to calls: improve the priority of handling the task of message related to calls in the portable terminal, reduce and to cause message related to calls to be handled and the priority of the task that process of transmitting is suspended or may cause the interruption that message related to calls is handled and process of transmitting is suspended to shield.
Further, the described interruption that may cause message related to calls processing and process of transmitting to be suspended comprises: signal receives the timing interruption of task, and the timing interruption of signal search task, signal send the timing interruption of task.
Further, described portable terminal is removed described to causing message related to calls to be handled and the shielding of the interruption that process of transmitting is suspended after sending out message related to calls to the base station.
In order to address the above problem, the present invention also provides a kind of portable terminal that reduces call duration, comprise main control module and sending module, described main control module, be used for after knowing that the user confirms to make a call, the processing that the task of taking is handled resource continuous execution message related to calls sends out message related to calls until sending module to the base station.
Further, described main control module is used for improving portable terminal and handles the priority of the task of message related to calls, reduces and may cause message related to calls to be handled and the priority of the task that process of transmitting is suspended or may cause the interruption that message related to calls is handled and process of transmitting is suspended to shield.
Further, the described interruption that may cause message related to calls processing and process of transmitting to be suspended comprises: signal receives the timing interruption of task, and the timing interruption of signal search task, signal send the timing interruption of task.
Further, described main control module is used at sending module after the base station sends out message related to calls, removes described to causing message related to calls to be handled and the shielding of the interruption that process of transmitting is suspended.
Adopt method of the present invention, the transmission message related to calls is handled obtained continuing to carry out, thereby reduce the mobile terminal calling connecting time, the quickening portable terminal is set up the speed of calling out.
Description of drawings
Fig. 1 is the process schematic diagram of portable terminal complete connection in wireless communication system in the prior art;
Fig. 2 is a mobile terminal module structural representation in the prior art;
Fig. 3 is the process schematic diagram that portable terminal makes a call in the prior art;
Fig. 4 is the process schematic diagram that portable terminal makes a call in the present embodiment.
Embodiment
Core concept of the present invention is: portable terminal is after knowing that the user confirms to make a call, the task of taking is handled the processing of resource continuous execution message related to calls until sending out message related to calls to the base station, make the processing of message related to calls be able to continual execution, speed call message transmission speed, thus reach the purpose of optimizing the whole communication system connecting time.
In the following ways a kind of of the processing that described portable terminal method continue to be carried out message related to calls: improve the priority of handling the task of message related to calls in the portable terminal, reduce and to cause message related to calls to be handled and the priority of the task that process of transmitting is suspended or may cause the interruption that message related to calls is handled and process of transmitting is suspended to shield.
With the digital group system terminal based on CDMA2000 is example, the portable terminal of the CDMA2000 standard of the reduced call duration of employing the inventive method design, comprise: the MC main control module, and the SRCH module that links to each other with the MC main control module, with the TX module and the RX module that link to each other with the MC main control module by the signaling parsing module respectively;
The MC main control module is used for improving portable terminal and handles the priority of the task of message related to calls, reduces and may cause message related to calls to be handled and the priority of the task that process of transmitting is suspended or may cause the interruption that message related to calls is handled and process of transmitting is suspended to shield; Shielding may be seized the interruption that CPU causes message related to calls processing and process of transmitting to be suspended after also being used to receive message related to calls, after the processing message related to calls, sends message related to calls to TX, recovers the interruption of above-mentioned conductively-closed;
Above-mentioned interruption comprises: signal receives the timing interruption of TX task, and the timing interruption of signal search SRCH task, signal send the timing interruption of RX task.
As shown in Figure 4, the method for regularly interrupting with shielding RX is the method that the example explanation reduces the mobile terminal calling connecting time, said method comprising the steps of:
In the said method, after the triggering that shielding RX module is regularly interrupted, though this moment the RX module task priority still than the task height of MC module, but owing to regularly interrupt conductively-closed, can't be operated system call carries out, remove shielding in MC module MC module after the TX module successfully sends message related to calls, the timing down trigger of RX module is just recovered, and guarantees to send the lasting execution of message related to calls.
May seize CPU and cause the interruption that message related to calls is handled and process of transmitting is suspended to refer to that not only RX regularly interrupts, can also be the timing interruption that signal receives the TX task, and the timing interruption of signal search SRCH task, signal send the timing interruption of RX task.To the processing mode of these interruptions and said method in like manner.
The method that the underlying protocol process software is carried out continuously includes but not limited to the method that shielding is interrupted in the present embodiment, other as improve the protocol module process priority, reduce the priority of other module process, the methods such as triggering interruption that shield other process (being not limited to the RX process in the present embodiment) help thought that protocol processing software carries out continuously also within the protection range of this patent.
Compare with prior art, adopt thought of the present invention, minimizing task is significantly switched spended time, makes MC monopolize CPU to the Processing tasks of message related to calls, has shifted to an earlier date the transmission of message related to calls to the base station, thereby has reached the purpose of optimizing connecting time.
Said method is not only applicable to trunked communication system, also is applicable to other wireless communication system.
The present invention program's protection range also is applicable to the time-optimized occasion of other base station signaling outside the message related to calls.Engineers and technicians can use thought of the present invention the wireless communication terminal of various standards and need not use creativeness easily, belong to the protection range of this patent equally.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and these change and be out of shape the protection range that all should belong to the appended claim of the present invention accordingly.
Claims (6)
1. a method that reduces call duration is characterized in that,
Portable terminal is after knowing that the user confirms to make a call, and the task of taking is handled the processing of resource continuous execution message related to calls until sending out message related to calls to the base station;
In the following ways a kind of of the processing that described portable terminal continue to be carried out message related to calls: improve the priority of handling the task of message related to calls in the portable terminal, reduce and to cause message related to calls to be handled and the priority of the task that process of transmitting is suspended or may cause the interruption that message related to calls is handled and process of transmitting is suspended to shield.
2. the method for claim 1 is characterized in that,
The described interruption that may cause message related to calls processing and process of transmitting to be suspended comprises: signal receives the timing interruption of task, and the timing interruption of signal search task, signal send the timing interruption of task.
3. method as claimed in claim 1 or 2 is characterized in that,
Described portable terminal is removed described to causing message related to calls to be handled and the shielding of the interruption that process of transmitting is suspended after sending out message related to calls to the base station.
4. a portable terminal that reduces call duration comprises main control module and sending module, it is characterized in that,
Described main control module is used for after knowing that the user confirms to make a call, and the processing that the task of taking is handled resource continuous execution message related to calls sends out message related to calls until sending module to the base station;
Described main control module is used for improving portable terminal and handles the priority of the task of message related to calls, reduces and may cause message related to calls to be handled and the priority of the task that process of transmitting is suspended or may cause the interruption that message related to calls is handled and process of transmitting is suspended to shield.
5. portable terminal as claimed in claim 4 is characterized in that,
The described interruption that may cause message related to calls processing and process of transmitting to be suspended comprises: signal receives the timing interruption of task, and the timing interruption of signal search task, signal send the timing interruption of task.
6. as claim 4 or 5 described portable terminals, it is characterized in that,
Described main control module is used at sending module after the base station sends out message related to calls, removes described to causing message related to calls to be handled and the shielding of the interruption that process of transmitting is suspended.
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| CN2008100083422A CN101237700B (en) | 2008-02-26 | 2008-02-26 | A method and mobile terminal for reducing call duration |
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| CN2008100083422A CN101237700B (en) | 2008-02-26 | 2008-02-26 | A method and mobile terminal for reducing call duration |
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| CN101237700A CN101237700A (en) | 2008-08-06 |
| CN101237700B true CN101237700B (en) | 2011-11-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002093953A1 (en) * | 2001-05-15 | 2002-11-21 | Qualcomm Incorporated | Communication device for reducing latency in a mobile-originated group communication request |
| CN1567786A (en) * | 2003-07-04 | 2005-01-19 | 深圳市中兴通讯股份有限公司 | Quick call establishing method of CDMA standard trunked communication system |
| CN101127967A (en) * | 2007-09-20 | 2008-02-20 | 中兴通讯股份有限公司 | A method for quick call origination in digital cluster communication system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002093953A1 (en) * | 2001-05-15 | 2002-11-21 | Qualcomm Incorporated | Communication device for reducing latency in a mobile-originated group communication request |
| CN1567786A (en) * | 2003-07-04 | 2005-01-19 | 深圳市中兴通讯股份有限公司 | Quick call establishing method of CDMA standard trunked communication system |
| CN101127967A (en) * | 2007-09-20 | 2008-02-20 | 中兴通讯股份有限公司 | A method for quick call origination in digital cluster communication system |
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