CN101409575A - Method for improving speech quality through automatic power regulation - Google Patents
Method for improving speech quality through automatic power regulation Download PDFInfo
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- CN101409575A CN101409575A CNA200710162822XA CN200710162822A CN101409575A CN 101409575 A CN101409575 A CN 101409575A CN A200710162822X A CNA200710162822X A CN A200710162822XA CN 200710162822 A CN200710162822 A CN 200710162822A CN 101409575 A CN101409575 A CN 101409575A
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Abstract
The invention discloses a method for improving the quality of the telephone by automatic power control, and is applied in a wireless movable termination of a PHS network; the method comprises: (1) the movable termination is internally provided with a module for monitoring, controlling and automatically regulating transmitted power, and the movable termination is turned on and enters a standby mode; (2) when the movable termination starts to call and is in the stage of call establishment, the module for monitoring, controlling and automatically regulating transmitted power of the movable termination judges the received signal strength indicated value of the network signal, and the transmitted power of a control channel is regulated according to the received signal strength indicated value; (3) when the movable termination enters a conversation stage, the module for monitoring, controlling and automatically regulating transmitted power of the movable termination judges the received signal strength indicated value of the network signal, and the transmitted power of a conversation channel is regulated according to the received signal strength indicated value. By arranging the module for monitoring, controlling and automatically regulating transmitted power in a PHS mobilephone terminal, the method reduces the down-to-earth switching times and drop-call-rate of a base station.
Description
Technical field
The present invention relates to Personal Handyphone System(PHS) Personal Handyphone System low-power communication system (Personal HandyphoneSystem, hereinafter to be referred as PHS) wireless communication field, relate in particular in a kind of phs terminal how to regulate the method that transmitting power reduces call drop automatically according to base station signal.
Background technology
The PHS network is a low power communications system, and basic function and gsm system are similar, and low to the radiation of human body, expense is cheap, but its coverage is less, and signal covers not so good, occurs easily in the conversation switching and call drop.The edge zone that covers, large-signal base station particularly, the descending signal that receives of phs terminal is relatively good, but uplink transmission power relatively a little less than.In this case, cause the base station easily and allow mobile phone produce switching, with the opposing party of phs terminal conversation, communication quality descends, and is easy to generate call drop.But in the PHS wireless standard, phs terminal all is a fixed transmission power.How to reach under existing network environment, raising speech quality is provided, reduce the problem of switching call drop and become problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly improves the method for speech quality by the automated power adjustment, to solve under existing network environment, provides raising speech quality, reduces the problem of switching call drop.
In order to solve the problems of the technologies described above, the invention provides and a kind ofly improve the method for speech quality by the automated power adjustment, be applied to it is characterized in that in the mobile radio terminal of PHS network, may further comprise the steps:
(1) the built-in Monitoring and Controlling of described portable terminal is regulated transmit power module automatically, and described mobile terminal-opening also enters standby mode;
(2) begin to call out and during when described portable terminal at call establishment stage, the Monitoring and Controlling of described portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, and according to the transmitting power adjustment of this received signal strength indicator value to control channel;
(3) when described portable terminal enters speech phase, the Monitoring and Controlling of this portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, and according to the transmitting power adjustment of this received signal strength indicator value to talk channel.
Method of the present invention, wherein, described step (2) comprising:
When described portable terminal begins to call out and during at call establishment stage, the Monitoring and Controlling of described portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, serves as that calibration power add adjust power offset values 1 at threshold values 1 with the transmitting power of next adjustment control channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 2 at threshold values 2 with the transmitting power of next adjustment control channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 3 at threshold values 3 with the transmitting power of next adjustment control channel as received signal strength indicator value;
The transmitting power of then adjusting control channel as received signal strength indicator value at threshold values more than 3 is calibration power.
Method of the present invention, wherein, described step (3) comprising:
When described portable terminal enters speech phase, the Monitoring and Controlling of this portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, serves as that calibration power add adjust power offset values 1 at threshold values 1 with the transmitting power of next adjustment talk channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 2 at threshold values 2 with the transmitting power of next adjustment talk channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 3 at threshold values 3 with the transmitting power of next adjustment talk channel as received signal strength indicator value;
The transmitting power of then adjusting talk channel as received signal strength indicator value at threshold values more than 3 is calibration power.
Method of the present invention, wherein, described mobile radio terminal is PHS portable terminal or GSM/PHS mode mobile terminal.
Adopt the method for the invention, compared with prior art, automatically regulating transmit power module by the control of built-in monitoring in the PHS mobile phone terminal, reduce base station gear to actual circumstances switching times and call drop, take this, can significantly improve user's user experience, give full play to the intrinsic technical advantage of phs terminal.
Description of drawings
Fig. 1 is the described a kind of method flow principle schematic that improves speech quality by the automated power adjustment of the embodiment of the invention;
Fig. 2 is the flow process principle schematic of according to received signal strength indicator value (RSSI) transmitting power being adjusted in the described method of the embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments content of the present invention is elaborated.
Roughly technical scheme of the present invention is as follows:
Realize being included in the workflow of adaptively selected mobile phone control channel (CCH) uplink transmission power of call establishment stage and the adaptively selected mobile phone communication channel of speech phase (TCH) uplink transmission power described in the present invention according to the method for the adaptively selected mobile phone uplink transmission power of network signal; As shown in Figure 1, concrete workflow comprises following aspect:
In phs terminal, be embodied as example with the method for the invention below, technological means of the present invention and implementation method described in detail:
The embodiment of the inventive method is applied in the phs terminal, also can be applicable to the PHS module in the GSM/PHS dual-mode terminal.
Step 1, the phs terminal start;
Step 2, phs terminal enters standby mode;
Step 3, phs terminal begin to call out at dialing interface incoming call number;
Step 4, phs terminal enters call establishment stage, judges whether to need to adjust ascending control channel (CCH) transmitting power;
As shown in Figure 2, step 5, whether Rule of judgment one satisfies, and serves as that calibration power add adjustment power offset values 1 at threshold values 1 with next adjustment transmitting power as network signal RSSI (ReceivedSignal Strength Indicator, the indication of received signal intensity) value;
Not changing condition two judgements over to if do not satisfy, serves as that calibration power add adjustment power offset values 2 at threshold values 2 with next adjustment transmitting power as network signal RSSI value;
Not changing condition three judgements over to if do not satisfy, serves as that calibration power add adjustment power offset values 3 at threshold values 3 with next adjustment transmitting power as network signal RSSI value;
Do not change condition four judgements over to if do not satisfy, then adjust transmitting power as network signal RSSI value more than 3 at threshold values and be calibration power;
Step 6, phs terminal enters into speech phase, judges whether to need to adjust up talk channel (TCH) transmitting power;
Equally as shown in Figure 2, step 7, whether Rule of judgment one satisfies, and serves as that calibration power add adjustment power offset values 1 at threshold values 1 with next adjustment transmitting power as network signal RSSI (Received Signal Strength Indicator, the indication of received signal intensity) value;
Not changing condition two judgements over to if do not satisfy, serves as that calibration power add adjustment power offset values 2 at threshold values 2 with next adjustment transmitting power as network signal RSSI value;
Not changing condition three judgements over to if do not satisfy, serves as that calibration power add adjustment power offset values 3 at threshold values 3 with next adjustment transmitting power as network signal RSSI value;
Do not change condition four judgements over to if do not satisfy, then adjust transmitting power as network signal RSSI value more than 3 at threshold values and be calibration power.
The described method of the above embodiment of the present invention, compared with prior art, automatically regulating transmit power module by the control of built-in monitoring in the PHS mobile phone terminal, the minimizing base station gears to actual circumstances and changes number of times and call drop, take this, can significantly improve user's user experience, give full play to the intrinsic technical advantage of phs terminal.
The above only is an illustrated embodiment of the present invention, should know that this can have many modification, this modification is not considered to break away from the spirit and scope of illustrated embodiment of the present invention, and the conspicuous modification of all such those of ordinary skills is within the scope of the appended claims involved.
Claims (4)
1, a kind ofly improve the method for speech quality, be applied to it is characterized in that in the mobile radio terminal of PHS network, may further comprise the steps by the automated power adjustment:
(1) the built-in Monitoring and Controlling of described portable terminal is regulated transmit power module automatically, and described mobile terminal-opening also enters standby mode;
(2) begin to call out and during when described portable terminal at call establishment stage, the Monitoring and Controlling of described portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, and according to the transmitting power adjustment of this received signal strength indicator value to control channel;
(3) when described portable terminal enters speech phase, the Monitoring and Controlling of this portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, and according to the transmitting power adjustment of this received signal strength indicator value to talk channel.
2, the method for claim 1 is characterized in that, described step (2) comprising:
When described portable terminal begins to call out and during at call establishment stage, the Monitoring and Controlling of described portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, serves as that calibration power add adjust power offset values 1 at threshold values 1 with the transmitting power of next adjustment control channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 2 at threshold values 2 with the transmitting power of next adjustment control channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 3 at threshold values 3 with the transmitting power of next adjustment control channel as received signal strength indicator value;
The transmitting power of then adjusting control channel as received signal strength indicator value at threshold values more than 3 is calibration power.
3, the method for claim 1 is characterized in that, described step (3) comprising:
When described portable terminal enters speech phase, the Monitoring and Controlling of this portable terminal is regulated the received signal strength indicator value that transmit power module is judged its place network signal automatically, serves as that calibration power add adjust power offset values 1 at threshold values 1 with the transmitting power of next adjustment talk channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 2 at threshold values 2 with the transmitting power of next adjustment talk channel as received signal strength indicator value;
Serves as that calibration power add adjust power offset values 3 at threshold values 3 with the transmitting power of next adjustment talk channel as received signal strength indicator value;
The transmitting power of then adjusting talk channel as received signal strength indicator value at threshold values more than 3 is calibration power.
4, the method for claim 1 is characterized in that, described mobile radio terminal is PHS portable terminal or GSM/PHS mode mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710162822XA CN101409575A (en) | 2007-10-10 | 2007-10-10 | Method for improving speech quality through automatic power regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710162822XA CN101409575A (en) | 2007-10-10 | 2007-10-10 | Method for improving speech quality through automatic power regulation |
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| Publication Number | Publication Date |
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| CN101409575A true CN101409575A (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200710162822XA Pending CN101409575A (en) | 2007-10-10 | 2007-10-10 | Method for improving speech quality through automatic power regulation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895910A (en) * | 2010-07-09 | 2010-11-24 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and communication method thereof |
| CN101895977A (en) * | 2010-07-19 | 2010-11-24 | 华为终端有限公司 | Method and terminal for transmitting signals of control terminal |
| CN101945467A (en) * | 2010-09-19 | 2011-01-12 | 中兴通讯股份有限公司 | Communication quality guaranteeing method, system and mobile terminal |
| CN102378316A (en) * | 2010-08-17 | 2012-03-14 | 北京迅光达通信技术有限公司 | Double-network digital mobile communication terminal and double-network communication method thereof |
| CN104540204A (en) * | 2015-01-26 | 2015-04-22 | 联想(北京)有限公司 | Signal control method and terminal |
| CN105142205A (en) * | 2015-06-12 | 2015-12-09 | 北京创毅视讯科技有限公司 | Method and terminal for adjusting transmission power in private network communication |
| CN107959556A (en) * | 2017-10-17 | 2018-04-24 | 北京松果电子有限公司 | Channel quality estimation method, device, equipment and storage medium |
-
2007
- 2007-10-10 CN CNA200710162822XA patent/CN101409575A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895910A (en) * | 2010-07-09 | 2010-11-24 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and communication method thereof |
| WO2012003722A1 (en) * | 2010-07-09 | 2012-01-12 | 惠州Tcl移动通信有限公司 | Mobile communication terminal and communication method thereof |
| CN101895977A (en) * | 2010-07-19 | 2010-11-24 | 华为终端有限公司 | Method and terminal for transmitting signals of control terminal |
| US8965311B2 (en) | 2010-07-19 | 2015-02-24 | Huawei Device Co., Ltd. | Method for controlling terminal signal transmission, and terminal |
| CN102378316A (en) * | 2010-08-17 | 2012-03-14 | 北京迅光达通信技术有限公司 | Double-network digital mobile communication terminal and double-network communication method thereof |
| CN101945467A (en) * | 2010-09-19 | 2011-01-12 | 中兴通讯股份有限公司 | Communication quality guaranteeing method, system and mobile terminal |
| CN104540204A (en) * | 2015-01-26 | 2015-04-22 | 联想(北京)有限公司 | Signal control method and terminal |
| CN104540204B (en) * | 2015-01-26 | 2018-11-13 | 联想(北京)有限公司 | Control the method and terminal of signal |
| CN105142205A (en) * | 2015-06-12 | 2015-12-09 | 北京创毅视讯科技有限公司 | Method and terminal for adjusting transmission power in private network communication |
| CN107959556A (en) * | 2017-10-17 | 2018-04-24 | 北京松果电子有限公司 | Channel quality estimation method, device, equipment and storage medium |
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Application publication date: 20090415 |