CN101127968B - Optimization method for start buffer point in buffer application of terminal in digital cluster communication system - Google Patents
Optimization method for start buffer point in buffer application of terminal in digital cluster communication system Download PDFInfo
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- CN101127968B CN101127968B CN200710161522XA CN200710161522A CN101127968B CN 101127968 B CN101127968 B CN 101127968B CN 200710161522X A CN200710161522X A CN 200710161522XA CN 200710161522 A CN200710161522 A CN 200710161522A CN 101127968 B CN101127968 B CN 101127968B
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Abstract
The utility model discloses an optimization method of initial caching point when digital trunking communication system terminal applies the caching, user presses down the terminal call key to confirm the call, the terminal hardware control unit HS receives the ''speak'' information prompt transmitted by the control unit UI displayed on the terminal user interface, the ''speak'' interface is displayed while the caching task control unit is informed to start caching. The utility model has the advantages that optimizing the initial caching points of the terminals in the digital trunking communication system applying voice caching, thereby reducing voice delay effectively and meeting the requirement of the digital trunking user perfectly.
Description
Technical field
The present invention relates to the digital aggregated communication system field, relate in particular to a kind of optimization method of start buffer point in buffer application of terminal in digital cluster communication system.
Background technology
Digital aggregated communication system is an important branch of mobile communcations system, is a kind of mobile communcations system that is applied to group's dispatch control communication.Be mainly used in professional field of mobile communication, as government department, army, police service, all trades and professions such as railway, water conservancy, civil aviaton and steel logistics.
As shown in Figure 1, digital aggregated communication system mainly comprises colony terminal 1, base station sub-system 2, and scheduler subsystem 3, wherein:
Colony terminal 1, it is the terminal equipment that possesses the group service function, be the mutual capital equipment of cluster network and user, comprise: the terminal hardware control unit, be called for short HS (handset, terminal), mainly be direct control, detect that LCD refreshes at the interface as button to hardware, internal memory processing etc., but the content of handling is indifferent to; The control unit that end-user interface shows, be called for short UI (userinterface, user interface), be the upper strata of HS, be primarily aimed at HS and report signal to process, report No. 1 button to press as HS, but No. 1 button has been used for exhaling or the phone directory processing, is then finished by UI, and in like manner HS is responsible for the LCD interface display, but show A or B, finish by UI; The terminal main control unit is called for short MC (Main control, master control), is whole control unit, is responsible for holistic management, in the present invention, and the main communication of being responsible for system side, the i.e. transmission of signaling and reception; Buffer memory task control unit is used to be provided with the beginning buffered signal, and with control beginning buffer, and the speech data information said of storage user etc. is transferred to system side; Vocoder is used for the analoging sound signal that the user sends is converted into the digital signal hardware equipment that can be used for Digital Transmission, can be with people's sound according to volume, and methods such as tone convert the digital signal of different auspicious speed to.
In the native system model, easy in order to describe, base station sub-system 2 and scheduler subsystem 3 merging are called the base station scheduling subsystem, be called for short system side.
As shown in Figure 2, the prior art terminal rises exhales the Signalling exchange schematic flow sheet, comprises the steps:
Step 201, the user presses calling key, has confirmed to exhale, the described terminal vocoder that opens a terminal;
Step 202, MC notice buffer memory task control unit begins buffer memory, and sends the message of having carried out the speech buffer storage preparation to UI;
Step 203 after UI receives, sends " saying " information indicating to HS;
Step 204 after HS receives " saying " information indicating of UI transmission, shows " saying " interface;
Step 205, after the user began speech, the speech data information that buffer memory task control unit record user institute " is said " was stored in the described terminal internal memory;
Step 206, terminal send to the base station scheduling subsystem with the speech data that has write down after receiving the authorization signaling of base station scheduler subsystem transmission.
The storage method of prior art is: after having confirmed to exhale, MC notice buffer memory task control unit is begun buffer memory buffer to start with, the beginning buffer memory.The result who does like this: 1, the time point that begins buffer memory with MC notice buffer memory task control unit buffer to start with; Even 2 users keep silence, still can judge and carry out buffer memory.This has all increased meaningless user and has answered the stand-by period.
Summary of the invention
The invention provides a kind of optimization method of start buffer point in buffer application of terminal in digital cluster communication system, when solving present digital aggregated communication system user application cache, the user answers long problem of stand-by period.
In order to solve the problems of the technologies described above, the invention provides the optimization method of start buffer point in buffer application of terminal in digital cluster communication system, the user presses the terminal calling key, confirmed to exhale,
(1) the described terminal vocoder that opens a terminal, terminal main control unit MC sends described terminal to control unit UI and has carried out the message that speech buffer storage is prepared; Described MC notice buffer memory task control unit is provided with beginning buffered signal 1;
(2) after described UI receives, send " saying " information indicating and notify buffer memory task control unit that beginning buffered signal 3 is set to HS;
(3) after terminal hardware control unit HS receives " saying " information indicating of the control unit UI transmission that end-user interface shows, show " saying " interface, HS judges whether buffer memory task control unit is provided with beginning buffered signal 3: if be provided with, then notify buffer memory task control unit that beginning buffered signal 2 is set, and begin buffer memory after removing described beginning buffered signal 3; If be not provided with, then HS does not do any processing.
The method of the invention, wherein, described method also comprises the steps:
(4) described buffer memory task control unit application buffer memory, the speech data information that recording user institute " is said " is stored in the described terminal internal memory;
(5) after described terminal is received the authorization signaling of base station scheduler subsystem transmission, the described speech data that has write down is sent to described base station scheduling subsystem.
Further, in the step (1), described buffer memory task control unit just begins application cache after judging that earlier beginning buffered signal 1 and beginning buffered signal 2 all exist.
Further, described buffer memory task control unit just begins application cache until begin speech as the user, and the speech data information that opening entry user institute " is said " is stored in the described terminal internal memory.
The method of the invention, wherein, after terminal is received the authorization signaling of base station scheduler subsystem transmission as described, described buffer memory task control unit judges does not begin buffered signal 2, then abandon beginning the judgement of buffered signal 2, direct application cache, the speech data information that recording user institute " is said ", be stored in the described terminal internal memory, and send to described base station scheduling subsystem.
Further, in the step (1.3), after described HS receives described " saying " information indicating of UI transmission, show " saying " interface, this moment, HS judged whether buffer memory task control unit is provided with beginning buffered signal 3: if be provided with, then notify buffer memory task control unit that beginning buffered signal 2 is set, and begin buffer memory after removing described beginning buffered signal 3; If be not provided with, then HS does not do any processing.
Further, in the step (1), described buffer memory task control unit just begins application cache after judging that earlier beginning buffered signal 1 and beginning buffered signal 2 all exist.
Further, described buffer memory task control unit just begins application cache until begin speech as the user, and the speech data information that opening entry user institute " is said " is stored in the described terminal internal memory.
The method of the invention, wherein, after terminal is received the authorization signaling of base station scheduler subsystem transmission as described, described buffer memory task control unit judges does not begin buffered signal 2, then abandon beginning the judgement of buffered signal 2, direct application cache, the speech data information that recording user institute " is said ", be stored in the described terminal internal memory, and send to described base station scheduling subsystem.
The present invention is by optimizing the beginning buffer of using the terminal of speech buffer storage in the digital aggregated communication system, thereby effectively reduce the voice time-delay, and behind the application cache, if the user does not begin speech, then do not write down any information, in case but the user begins speech, be all information of opening entry, after even this moment, the user rang off, if the user does not have on-hook or unclamps the speech key, also will record.Satisfied Digital Clustering user's requirement better.
Description of drawings
Fig. 1 is a digital cluster system model schematic diagram;
Fig. 2 is that the prior art terminal rises and exhales the Signalling exchange schematic flow sheet;
Fig. 3 is that embodiment of the invention terminal rises and exhales the Signalling exchange schematic flow sheet.
Embodiment
Below in conjunction with the drawings and specific embodiments technical solutions according to the invention are described in detail.
As shown in Figure 3, embodiment of the invention terminal rises exhales the Signalling exchange schematic flow sheet, comprises the steps:
Step 301, the user presses the terminal calling key, after having confirmed to exhale, the terminal vocoder that opens a terminal;
Step 302, MC sends described terminal to UI and has carried out the message that speech buffer storage is prepared, and notifies buffer memory task control unit that beginning buffered signal 1 is set, and this begins the following content of buffered signal 1 representative:
A, be total body mark that buffer memory is used, all buffer memorys are judged, are all judged this sign;
B, only be provided with the beginning buffered signal 1, other buffer memory flag bits could be set;
Step 303 after UI receives, sends " saying " information indicating to HS, and notice buffer memory task control unit is provided with beginning buffered signal 3;
Because saying interface display can occur repeatedly, but the beginning buffer memory can only be provided with once, interface display is said in promptly the most approaching that time when having begun to exhale, just beginning buffered signal 2 is set, beginning buffered signal 3 is set once begins buffered signal 2 and be provided with in order to guarantee that call only is provided with.
Step 304, after HS receives described " saying " information indicating of UI transmission, show " saying " interface, this moment, HS judged whether buffer memory task control unit is provided with beginning buffered signal 3: if be provided with, then notify buffer memory task control unit that beginning buffered signal 2 is set, and begin buffer memory after removing described beginning buffered signal 3; If be not provided with, then HS does not do any processing;
Beginning buffered signal 2 shows that terminal has shown and says the interface, if the user begins speech, just begins buffer memory, even otherwise also buffer memory not of user's speech.
Step 305, buffer memory task control unit judges that earlier beginning buffered signal 1 and beginning buffered signal 2 all exist, when the user begins to talk, just begin application cache, the speech data information that opening entry user institute " is said ", be stored in the described terminal internal memory (if promptly the user does not begin speech, then do not write down any information, in case but the user begins speech, all later information of opening entry then, even after this moment, the user rang off,, also will write down) if the user does not have on-hook or unclamps the speech key;
Step 306, terminal send to described base station scheduling subsystem with the described speech data that has write down after receiving the authorization signaling of base station scheduler subsystem transmission.
In the above-mentioned steps 305,306, after terminal is received the authorization signaling of base station scheduler subsystem transmission as described, described buffer memory task control unit judges does not begin buffered signal 2, then abandon beginning the judgement of buffered signal 2, direct application cache, the speech data information that recording user institute " is said " is stored in the described terminal internal memory, and sends to described base station scheduling subsystem.
In the above-described embodiments, be to show " saying " interface, thereby notify the user can begin speech by UI notice HS.In actual applications, can also use auditory tone cues (as the sound of voice suggestion, specific length or quantity), indicator light prompting (representing), icon prompting (constant as terminal interface, as just to show certain special icon) or the like mode to notify the user can begin speech as lamp flicker with particular color.
As shown in table 1 below, for user key-press before and after optimizing sends the required time contrast to speech data
The terminal call number of times | Voice time-delays (second) before optimizing | Voice time-delay after the optimization (user sees the speech at once of " saying " back) (second) | Voice time-delay after the optimization (user sees the speech of " saying " back, from seeing that " " is to beginning to say that the reaction time was greater than 1 second) (millisecond) |
1 | 1.45 | 1.34 | <200 (annotating 1) |
2 | 1.32 | 1.12 | <200 |
3 | 1.99 | 1.24 | <200 |
4 | 1.84 | 1.29 | <200 |
5 | 1.42 | 1.34 | <200 |
6 | 1.86 | 1.41 | <200 |
7 | 1.57 | 1.25 | <200 |
8 | 1.76 | 1.27 | <200 |
9 | 1.64 | 1.26 | <200 |
10 | 1.41 | 1.39 | <200 |
11 | 1.33 | 1.26 | <200 |
12 | 1.89 | 1.27 | <200 |
13 | 1.54 | 1.18 | <200 |
14 | 1.36 | 1.21 | <200 |
15 | 1.64 | 1.29 | <200 |
16 | 1.72 | 1.36 | <200 |
17 | 1.53 | 1.46 | <200 |
18 | 1.49 | 1.14 | <200 |
19 | 1.87 | 1.25 | <200 |
On average | 1.573 | 1.281 | <200 |
Voice delay time contrast before and after table 1 is optimized
Annotate 1: because this value draws for the artificial table of pinching, common people pinch the reaction time of table at 150ms-250ms, so<during 200ms, this value is no longer accurate, and the Therefore, omited can think that also this moment, nothing was delayed time.
Scheme of the present invention is not restricted to listed utilization in specification and the execution mode.Concerning the technology of the present invention those of ordinary skill in the field, can make various corresponding changes and distortion according to the present invention, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention.
Claims (5)
1. the optimization method of start buffer point in buffer application of terminal in digital cluster communication system, the user presses the terminal calling key, has confirmed to exhale, it is characterized in that,
(1) the described terminal vocoder that opens a terminal, terminal main control unit MC sends described terminal to control unit UI and has carried out the message that speech buffer storage is prepared; Described MC notice buffer memory task control unit is provided with beginning buffered signal 1;
(2) after described UI receives, send " saying " information indicating and notify buffer memory task control unit that beginning buffered signal 3 is set to HS;
(3) after terminal hardware control unit HS receives " saying " information indicating of the control unit UI transmission that end-user interface shows, show " saying " interface, HS judges whether buffer memory task control unit is provided with beginning buffered signal 3: if be provided with, then notify buffer memory task control unit that beginning buffered signal 2 is set, and begin buffer memory after removing described beginning buffered signal 3; If be not provided with, then HS does not do any processing.
2. method according to claim 1 is characterized in that described method also comprises the steps:
(4) described buffer memory task control unit application buffer memory, the speech data information that recording user institute " is said " is stored in the described terminal internal memory;
(5) after described terminal is received the authorization signaling of base station scheduler subsystem transmission, the described speech data that has write down is sent to described base station scheduling subsystem.
3. method as claimed in claim 1 or 2 is characterized in that, in the step (1), described buffer memory task control unit just begins application cache after judging that earlier beginning buffered signal 1 and beginning buffered signal 2 all exist.
4. as method as described in the claim 4, it is characterized in that described buffer memory task control unit just begins application cache until begin speech as the user, the speech data information that opening entry user institute " is said " is stored in the described terminal internal memory.
5. as method as described in the claim 4, it is characterized in that, after terminal is received the authorization signaling of base station scheduler subsystem transmission as described, described buffer memory task control unit judges does not begin buffered signal 2, then abandon beginning the judgement of buffered signal 2, direct application cache, the speech data information that recording user institute " is said ", be stored in the described terminal internal memory, and send to described base station scheduling subsystem.
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KR20040108149A (en) * | 2003-06-16 | 2004-12-23 | 삼성전자주식회사 | Method for fast call setup in wreless telecommunication system |
CN1585529A (en) * | 2004-06-12 | 2005-02-23 | 中兴通讯股份有限公司 | Method for realizing speech buffer storage in digital cluster system |
CN1996944A (en) * | 2006-11-09 | 2007-07-11 | 华中科技大学 | A method for global buffer management of the cluster storage system |
CN101005372A (en) * | 2006-01-19 | 2007-07-25 | 思华科技(上海)有限公司 | Cluster cache service system and its realizing method |
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KR20040108149A (en) * | 2003-06-16 | 2004-12-23 | 삼성전자주식회사 | Method for fast call setup in wreless telecommunication system |
CN1585529A (en) * | 2004-06-12 | 2005-02-23 | 中兴通讯股份有限公司 | Method for realizing speech buffer storage in digital cluster system |
CN101005372A (en) * | 2006-01-19 | 2007-07-25 | 思华科技(上海)有限公司 | Cluster cache service system and its realizing method |
CN1996944A (en) * | 2006-11-09 | 2007-07-11 | 华中科技大学 | A method for global buffer management of the cluster storage system |
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