CN101174844A - Radio receiving system and method capable of automatic switching channels - Google Patents
Radio receiving system and method capable of automatic switching channels Download PDFInfo
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- CN101174844A CN101174844A CNA2006101231579A CN200610123157A CN101174844A CN 101174844 A CN101174844 A CN 101174844A CN A2006101231579 A CNA2006101231579 A CN A2006101231579A CN 200610123157 A CN200610123157 A CN 200610123157A CN 101174844 A CN101174844 A CN 101174844A
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Abstract
A radio receiving system which can automatically switch channels and a method are used for changing the received channel according to the tone within the defined channel range. Firstly, a GPS is used for defining all the channels near the cells of the radio receiving system, secondly, a selection module selects at least one channel which has the same property value with the channel which is recently set by user; a tone comparative module is used for choosing the channel with optimum tone among the channels and the channels which are recently set by user and at last a tone-receiving module is driven to switch the channel and prompt the loudspeaker to produce sound; in this way, vehicles which are equipped with the radio receiving system can switch to the corresponding channel of the station with the optimum tone while the system tracks the same broadcasting station in different cells.
Description
[technical field]
The present invention is about a kind of radio receiving system and method, especially a kind of radio receiving system and method that changes its receiving channels in the channel scope of delineation according to tonequality.
[background technology]
But the equipment that movably loads broadcast receiver or other radio reception at automobile or other on the transporting equipment is the traditional method of automobile manufacturing enterprise, the broadcast receiver of prior art is normally directly manually set the frequency in a radio station by the user, or use wireless memory function to remember desired frequency of radio station, if broadcast receiver is after this transporting equipment moves to another zone, same radio station on the often same channel but becomes another radio station, and the user does not know which channel of former radio station in this zone usually, so user's channel one by one goes debugging, perhaps, even the user knows this channel, also must be with the manual mode adjustment, quite inconvenience in the use; And when the broadcast receiver in moving is in the intersection of at least two radio networks coverings, the phenomenon that same frequency (channel) " seized " at least two radio station usually occurring, also is the problem of making us quite worried.And allow the user when the operation transporting equipment, divert one's attention to debug broadcast receiver, endanger public security possibly.In sum, traditional radio reception mode has following shortcoming:
(1) user need remember the channel and the frequency of various places radio network;
(2) user needs channel and the frequency of manual adjustment to this region;
(3) may endanger public security.
In view of this, be necessary to provide a kind of radio receiving system and method in fact, it can change its receive frequency according to tonequality when this system is in different region, thereby reaches the purpose of automatically switching channels.
[summary of the invention]
Therefore, purpose of the present invention promptly provides a kind of radio receiving system and method for automatically switching channels, and it can change its receiving channels according to tonequality in the channel scope of delineation.
For reaching above-mentioned purpose, the invention provides a kind of radio receiving system of automatically switching channels, in order in the channel scope of delineation, to change its receiving channels according to tonequality, the loud speaker that it comprises a radio reception module at least and sounded by this radio reception module excitation, this radio receiving system also comprises: a global locator system signal receiver, in order to receiving the packet of satellite transmission by wireless communication networks, and this packet decoded and calculate; One microprocessor, comprise at least one memory cell that comprises the radio station database of characteristic value at least that stores, near the channel delineation module of all channels in one this radio receiving system position that receives according to this radio station database and this global locator system signal receiver, one in the channel scope that above-mentioned channel delineation module delimited, select the channel of setting with the user have same characteristic features at least one up-to-date channel choose module, one carries out at least in order at least one channel signals with sign that the predefined channel of user and this selection module of this radio reception module transmission are exported, and tonequality compares, and select the channel signals of tonequality the best, be subjected to above-mentioned this tonequality comparison module to export the channel handover module of a channel switch-over control signal to produce a tonequality comparison module and corresponding to the pumping signal of the identification code of this channel signals, and this chooses module and this channel handover module is coupled with the radio reception module respectively corresponding to the driving of the pumping signal of the identification code of the channel signals of best tonequality.
A kind of radio receiving method of automatically switching channels is applied in the radio receiving system of above-mentioned automatically switching channels, and it may further comprise the steps:
Set up a radio station database in memory cell, described radio station database comprises region, radio station, station channel, and comprises the characteristic value of representing this channel at least in this station channel;
GPS receiver receives these radio receiving system position data of expression that satellite transmits is come, and grasps near all station channels this position;
All channels that the radio reception module receives send to the module of choosing of microprocessor, and this channel of choosing module extraction and sign and user's setting has at least one up-to-date channel of same characteristic features;
The tonequality comparison module is selected a best tonequality channel in the channel of channel that the user sets and tool identification code, and produces a pumping signal corresponding to the channel identication sign indicating number of best tonequality;
The channel handover module is driven by above-mentioned pumping signal and sends a channel switch-over control signal;
The radio reception module is subjected to the excitation of above-mentioned channel switch-over control signal to adjust local frequency, to receive this best tonequality channel;
Loud speaker sends sound that should best tonequality channel.
Compared to prior art, the present invention utilizes global positioning system to draw a circle to approve all channels in this radio receiving system near zone, select a channel tool same characteristic features value of setting recently with the user and the channel of best tonequality therein, switch to this channel then, so, can travel to different regions and desire automatically switches to when following the trail of same radio station should the radio station and the channel of the best tonequality of tool at the transporting equipment that loads this radio receiving system.
[description of drawings]
Fig. 1 is the Organization Chart of the radio receiving system of automatically switching channels of the present invention.
Fig. 2 is the flow chart of the radio receiving method of automatically switching channels of the present invention.
[embodiment]
Consult Fig. 1, Organization Chart for the radio receiving system of automatically switching channels of the present invention, the radio receiving system of automatically switching channels of the present invention, in order in the channel scope of delineation, to change its receiving channels according to tonequality, the loud speaker 30 that it comprises a radio reception module 20 at least and sounded by these radio reception module 20 excitations, be provided with some indispensable parts of common radio receiver in this radio reception module 20, for example the channel selection control unit 21, receiving element 22 and output unit 23, wherein, the channel that this channel selection control unit 21 selective reception unit 22 are received, and then drive loud speakers 40 by output unit 23 and sound.
This radio receiving system also comprises a global locator system signal receiver 30 and microprocessor 10, this global locator system signal receiver 30 is in order to receive the packet of satellite transmission by wireless communication networks, and this packet decoded and calculate, and this packet includes the longitude and latitude data of this radio receiving system position at least, and this microprocessor 10 comprises channel delineation module 11, choose module 12, memory cell 13, tonequality comparison module 14 and channel handover module 15, this channel delineation module 11 is connected with this global locator system signal receiver 30, and this is chosen module 12 and this channel handover module 15 and is coupled with the output unit 23 and the channel selection control unit 21 of radio reception module 20 respectively.
At least store a radio station database in this memory cell 13, can in manufacture process, directly set up in this memory cell 13 by manufacturer, or set by the user, this radio station database comprises data such as region, radio station, station channel, and this station channel comprises the characteristic value of this channel at least, in the present embodiment, this characteristic value comprises identity code at least, and this radio station database is that priority sorts with the user nearest service time, and when this radio receiving system moves to different regions, with up-to-date this radio station database of the same channel update that obtains.
This channel delineation module 11, in order to according to the longitude and latitude data of this radio receiving system position of expression of this global locator system signal receiver 30 outputs and the radio station database of memory cell 13, draw a circle to approve all station channel scopes in this longitude and latitude near zone (being the positive six shape zones that the center of circle, radius are at least 50 kms for example) with this radio receiving system position.
This chooses module 12, in order to select at least one up-to-date channel that the channel of setting with the user has same characteristic features in the channel scope of delimiting in above-mentioned channel delineation module 11, it comprises that the channel signals that sends in order to the output unit 23 to radio reception module 20 extracts the feature extraction unit 121 of characteristic value and the characteristic value of each channel signals is compared, and the identify unit 122 of sign and at least one channel signals of the channel tool same characteristic features value of user's setting.
This tonequality comparison module 14, at least one channel signals with sign that the predefined channel of user that sends in order to the output unit 23 to this radio reception module 20 and this selections module 12 are exported comprises the tonequality comparison of indexs such as signal to noise ratio at least, select a channel signals of tonequality the best, generation one is corresponding to the pumping signal of the identification code of this channel signals.
This channel handover module 15, be subjected to above-mentioned tonequality comparison module 14 to export the channel selection control unit 21 that a channel switch-over control signal is given radio reception module 20 corresponding to the driving of the pumping signal of the identification code of the channel signals of best tonequality, make this channel selection control unit 21 change the local frequency of receiving element 22, to receive the channel signals of this tonequality the best, simultaneously with the radio station database of the information updating memory cell 13 of this channel.
See also shown in Figure 2ly, the flow chart for the radio receiving method of automatically switching channels of the present invention mainly may further comprise the steps:
Set up a radio station database in memory cell 13, described radio station database comprises region, radio station, station channel, and comprises the characteristic value subdirectory (step 200) of representing this channel under the catalogue of this station channel at least;
What all channels that the output unit 23 of radio reception module 20 receives sent to microprocessor 10 chooses module 12, and this feature extraction unit 121 of choosing module 12 is analyzed each channel and characteristic value is extracted (step 220);
This identify unit 122 of choosing module 12 judges whether and the channel (step 230) of the predefined channel tool of user same characteristic features value, if not, then goes to step 220, if then go to step 240;
The channel of 122 pairs of tool same characteristic features of this identify unit value is compiled and is got identification code (step 240);
The channel selection control unit 21 of radio reception module 20 is subjected to the receiving element 22 of the excitation control radio reception module 20 of above-mentioned channel switch-over control signal to adjust local frequencies, receiving this best tonequality channel, and transfers to output unit 23 (step 280);
Compared to prior art, the present invention utilizes global positioning system to draw a circle to approve near the district of this radio receiving system All channels in the territory are selected channel tool same characteristic features value and a best of setting recently with the user therein The channel of tonequality switches to this channel then, so, can establish in the transportation that loads this radio receiving system Standby travelling automatically switches to when different geographical and wish are followed the trail of same radio station should the radio station and the best tonequality of tool Channel.
Claims (10)
1. the radio receiving system of an automatically switching channels, change its receiving channels according to tonequality when being in zones of different in this system, the loud speaker that it comprises a radio reception module at least and sounded by this radio reception module excitation, it is characterized in that: this radio receiving system also comprises:
One global locator system signal receiver in order to receiving the packet of satellite transmission by wireless communication networks, and is decoded and is calculated this packet;
One microprocessor, comprise at least one memory cell that comprises the radio station database of characteristic value at least that stores, near the channel delineation module of all channels in one this radio receiving system position that receives according to this radio station database and this global locator system signal receiver, one in the channel scope that above-mentioned channel delineation module delimited, select the channel of setting with the user have same characteristic features at least one up-to-date channel choose module, one carries out at least in order at least one channel signals with sign that the predefined channel of user and this selection module of this radio reception module transmission are exported, and tonequality compares, and select the channel signals of tonequality the best, be subjected to above-mentioned this tonequality comparison module to export the channel handover module of a channel switch-over control signal to produce a tonequality comparison module and corresponding to the pumping signal of the identification code of this channel signals, and this chooses module and this channel handover module is coupled with the radio reception module respectively corresponding to the driving of the pumping signal of the identification code of the channel signals of best tonequality.
2. the radio receiving system of automatically switching channels as claimed in claim 1, it is characterized in that: be provided with channel selection control unit, receiving element and output unit in this radio reception module, wherein, this receiving element is subjected to the control of this channel selection control unit, and drive loud speaker by output unit and sound, and this output unit and the channel selection control unit chooses module with this respectively and this channel handover module couples.
3. the radio receiving system of automatically switching channels as claimed in claim 1, it is characterized in that: this is chosen module and comprises in order to the channel signals that the output unit of this radio reception module is sent and extract the feature extraction unit of characteristic value and the characteristic value of each channel signals is compared, and the identify unit of sign and at least one channel signals of the channel tool same characteristic features value of user's setting.
4. the radio receiving system of automatically switching channels as claimed in claim 1, it is characterized in that: this database comprises data such as region, radio station, station channel, and this station channel comprises the characteristic value of this channel at least.
5. the method for the radio receiving system switching channels of an automatically switching channels that utilizes claim 1, it is characterized in that: this method may further comprise the steps:
Set up a radio station database in memory cell, described radio station database comprises region, radio station, station channel, and comprises the characteristic value of representing this channel at least in this station channel;
GPS receiver receives these radio receiving system position data of expression that satellite transmits is come, and grasps near all station channels this position;
All channels that the radio reception module receives send to the module of choosing of microprocessor, and this channel of choosing module extraction and sign and user's setting has at least one up-to-date channel of same characteristic features;
The tonequality comparison module is selected a best tonequality channel in the channel of channel that the user sets and tool identification code, and produces a pumping signal corresponding to the channel identication sign indicating number of best tonequality;
The channel handover module is driven by above-mentioned pumping signal and sends a channel switch-over control signal;
The radio reception module is subjected to the excitation of above-mentioned channel switch-over control signal to adjust local frequency, to receive this best tonequality channel;
Loud speaker sends sound that should best tonequality channel.
6. the radio receiving method of automatically switching channels as claimed in claim 5 is characterized in that: also comprise the step that the feature extraction unit of choosing module is analyzed each channel and characteristic value is extracted.
7. the radio receiving method of automatically switching channels as claimed in claim 5 is characterized in that: comprise that also the identify unit of choosing module judges whether the step with the channel of the predefined channel tool of user same characteristic features value.
8. the radio receiving method of automatically switching channels as claimed in claim 5 is characterized in that: comprise that also the tonequality comparison module judges whether the tonequality of the channel that the user sets is inferior to the step of tonequality of the channel of tool identification code.
9. the radio receiving method of automatically switching channels as claimed in claim 5 is characterized in that: also comprise the step with the radio station database in the Data Update memory cell of the channel of best tonequality.
10. the radio receiving method of automatically switching channels as claimed in claim 5, it is characterized in that: the channel selection control unit that also comprises the radio reception module is subjected to the receiving element of the excitation control radio reception module of above-mentioned channel switch-over control signal to adjust local frequency, receiving this best tonequality channel, and transfer to the step of output unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101231579A CN101174844A (en) | 2006-10-31 | 2006-10-31 | Radio receiving system and method capable of automatic switching channels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101231579A CN101174844A (en) | 2006-10-31 | 2006-10-31 | Radio receiving system and method capable of automatic switching channels |
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| CN101174844A true CN101174844A (en) | 2008-05-07 |
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| CNA2006101231579A Pending CN101174844A (en) | 2006-10-31 | 2006-10-31 | Radio receiving system and method capable of automatic switching channels |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242963A (en) * | 2014-09-16 | 2014-12-24 | 深圳市中兴移动通信有限公司 | Automatic switching method and system of electromagnetic signal receiving frequencies |
| CN101924580B (en) * | 2009-06-12 | 2016-04-27 | 致伸科技股份有限公司 | The automatic frequency changing method of wireless device |
| WO2016095423A1 (en) * | 2014-12-16 | 2016-06-23 | 中兴通讯股份有限公司 | Radio broadcast channel updating method and device |
| CN109961802A (en) * | 2019-03-26 | 2019-07-02 | 北京达佳互联信息技术有限公司 | Sound quality comparative approach, device, electronic equipment and storage medium |
| CN112653507A (en) * | 2020-12-25 | 2021-04-13 | 东方红卫星移动通信有限公司 | Mobile switching method and system for low-orbit communication satellite constellation |
-
2006
- 2006-10-31 CN CNA2006101231579A patent/CN101174844A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924580B (en) * | 2009-06-12 | 2016-04-27 | 致伸科技股份有限公司 | The automatic frequency changing method of wireless device |
| CN104242963A (en) * | 2014-09-16 | 2014-12-24 | 深圳市中兴移动通信有限公司 | Automatic switching method and system of electromagnetic signal receiving frequencies |
| WO2016095423A1 (en) * | 2014-12-16 | 2016-06-23 | 中兴通讯股份有限公司 | Radio broadcast channel updating method and device |
| CN105763277A (en) * | 2014-12-16 | 2016-07-13 | 中兴通讯股份有限公司 | Radio play channel updating method and device |
| CN109961802A (en) * | 2019-03-26 | 2019-07-02 | 北京达佳互联信息技术有限公司 | Sound quality comparative approach, device, electronic equipment and storage medium |
| CN112653507A (en) * | 2020-12-25 | 2021-04-13 | 东方红卫星移动通信有限公司 | Mobile switching method and system for low-orbit communication satellite constellation |
| CN112653507B (en) * | 2020-12-25 | 2022-07-26 | 东方红卫星移动通信有限公司 | Mobile switching method and system for low-orbit communication satellite constellation |
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Application publication date: 20080507 |