CN102064840A - Receiving device and method - Google Patents
Receiving device and method Download PDFInfo
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- CN102064840A CN102064840A CN2009102245040A CN200910224504A CN102064840A CN 102064840 A CN102064840 A CN 102064840A CN 2009102245040 A CN2009102245040 A CN 2009102245040A CN 200910224504 A CN200910224504 A CN 200910224504A CN 102064840 A CN102064840 A CN 102064840A
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Abstract
The invention relates to a receiving device comprising a receiving module and a processing module, wherein the receiving module is provided with a plurality of parameters for setting a plurality of parameters according to a control signal, and receiving a wireless signal respectively according to the different parameters, thereby respectively outputting a first output signal and a second output signal; the processing module is coupled with the receiving module and used for generating a control signal according to the first output signal and the second output signal to set the parameters.
Description
Technical field
The present invention relates to a kind of communication system, particularly relate to a kind of wireless telecommunication system.
Background technology
In general, when antenna receives at the signal that carries out channel, dual mode is arranged.First kind of receive mode is the search of single direction signal, for example uses the reception of general herring-bone antenna.Another kind of receive mode is complete signal search pattern, for example uses the reception of general electronic type antenna on the market.
When using herring-bone antenna to search single direction reception signal, antenna is only at specific direction receiving channels signal, but in fact the signal source of channel is not a single direction from from all directions.Thus, the direction that receives when signal source and antenna not simultaneously, the signal quality can reduce.And the search of electronic type antenna is when receiving signal, they can be one by one at various parameters in the electronic type antenna, as direction, gain, polarity ... etc., all parameter detecting is carried out in the combination of all numerical value of parameter, finds out best signal source after all each combinations of values of parameter all detects, and carries out signal again and receives, so, owing to configure the parameter of antenna, need wait for that all whole system (for example: needed convergence time (generally speaking, needing 0.5 second approximately) tuner) at every turn.Therefore, can expend many times and carry out above-mentioned processing.
Summary of the invention
Therefore, in order to address the above problem, one of purpose of the present invention is that a kind of receiving system is being provided, and can seek the direction of best signal quality fast.
One of purpose of the present invention is that a kind of receiving system is being provided, and it can set the parameter of receiver module fast.
One of embodiments of the invention provide a kind of receiving system, include a receiver module and a processing module.This receiver module has a plurality of parameters, in order to setting a plurality of parameters according to a controlling signal, and in order to respectively according to the setting of different parameters to receive a wireless signal, to export one first output signal and one second output signal respectively.And processing module couples receiver module, in order to foundation first and this second output signal, produces a controlling signal and sets described parameter.
One of embodiments of the invention provide a kind of signal method of reseptance, include the following step: at first, provide a sensing circuit that includes a plurality of parameters, wherein, described parameter includes a plurality of variable elements.Then, receive one first input signal and one second input signal by sensing circuit, wherein, first and second input signal all includes a plurality of reference values.Sensing circuit is selected first and second input signal according to described parameter and described reference value, to produce an output signal.Afterwards, provide a treatment circuit, adjust one at least in the described variable element to produce a controlling signal according to described reference value first and second input signal relatively.
Receiving system of the present invention and method are to utilize the setting of control receiver module (sensing circuit) internal circuit, allow receiver module when the signal scanning of carrying out channel, can only make seek actions at special parameter, find the optimal wireless signal of each channel, and the parameter of this optimal wireless signal is stored.And when the user watches different channel, can make receiver module automatically adopt to storage parameter that should channel, and and receive best wireless signal, promote signal and receive and the rating quality and can allow.Because receiver module is only done seek actions at special parameter, therefore when carrying out the signal detection, need whole parameters are done to detect to compare then to save a large amount of time with prior art, and then promote the detection and the setting speed of receiver module, solve the various possible problem of prior art.
Description of drawings
Figure 1A shows the schematic diagram of an embodiment of receiver module receiving system of the present invention.
Figure 1B shows the flow chart of the processing module control receiver module of receiver module receiving system of the present invention with an embodiment of the method for the reception of the channel in detection or the setting wireless signal.
The detection side that Fig. 2 shows receiver module to the schematic diagram of an embodiment.
The flow chart of one embodiment of the control method of Fig. 3 A and 3B demonstration receiver module receiving system of the present invention.
Fig. 4 shows the flow chart of another embodiment of the control method of receiver module receiving system of the present invention.
Fig. 5 shows the flow chart of another embodiment of the control method of receiver module receiving system of the present invention.
The reference numeral explanation
100 receiving systems
102 receiver modules
104 tuners
106 processing units
108 interface circuits
110 processing modules
Embodiment
See also Figure 1A, Figure 1A shows the schematic diagram of receiver module receiving system 100 1 embodiment of the present invention.Receiver module receiving system (or wireless signal receiving system or an antenna processing system) 100 includes a receiver module 102 and a processing module 110.Wherein, processing module 110 includes a tuner (Tuner) 104, a processing unit 106 and an interface circuit 108.
Must note, one embodiment, receiver module 102 is to receive controlling signal S3, set at least one parameter of receiver module 102 according to controlling signal S3, for example, receiver module 102 determines a receive direction according to controlling signal S3 direction initialization parameter, or sets the gain that gain parameter is adjusted receiver module 102 according to controlling signal S3, and this is the one-way communication control mode; Another embodiment, receiver module 102 also can receive controlling signal S3, sets its at least one parameter according to controlling signal S3, and receiver module 102 also can be according to its system mode or signal accepting state, produce at least one feedback signal, feedback by interface circuit 108 and give processing unit 106.So, processing module 110 can be adjusted the setting of its controlling signal S3 according to feedback signal, reaches better reception to make receiver module 102, realizes receiver module 102 and processing module 110 both-way communications control effect; Another embodiment, processing module 110 can be according to user's the setting or the pre-set specifications of system, decision processing module 110 is carried out one-way communication control mode or both-way communication control with receiver module 102 by interface pad road 108, uses the demand that satisfies the user and realizes specific effect.Can belong to battery saving mode than power saving when for example, adopting unidirectional control.
Figure 1B shows the processing module 110 control receiver modules 102 of receiver module receiving system 100 of the present invention, to detect (detecting) or to set an embodiment of the method flow diagram that (setting) wireless signal S1 channel (channel) receives.This method comprises the following step:
Step S102: beginning.
Step S104: set front-end circuit.One embodiment sets tuner.
Step S106: carry out the processing action of receiver module.One embodiment carries out the model selection of receiver module.Processing module 110 control receiver modules 102 detect or the mode of setting wireless signal S1 channel can include three kinds of patterns at least: manual mode (Manual mode), integrated pattern (Full mode) and quick mode (Quick mode).Processing module 110 will according to user's the setting or default which pattern of selection that decides of system.Must notice that processing module 110 all is to set at least one parameter of receiver module 102 under these three kinds of patterns, channel detection and setting with control receiver module 102 make receiver module 102 can receive the optimal wireless signal S1 of arbitrary channel.One embodiment, the parameter of above-mentioned receiver module 102 can comprise receive direction (Direction), gain (Gain), polarity (Polarity) ... etc.Certainly, the receiver module receiving system 100 adoptable parameters of the embodiment of the invention are not limited to this, and it also can adopt the present existing or future various parameters that the required setting of antenna that develop.
Wherein, the manual mode of one embodiment of the invention is meant that the user utilizes processing module 110 to detect wireless signal at the parameter setting special value of receiver module 102, or detects at specific channel.The treatment step of manual mode is as follows, and dynamic model formula on the other hand at first is provided, to set the parameter setting operating mode of receiver module 102; Then, set the parameter setting operating mode of receiver module 102; Afterwards, receiver module 102 carries out channel detection and setting according to the pattern that sets.
And being meant processing module 110, the integrated pattern of one embodiment of the invention carries out channel setting and scanning, to obtain the best signal of each channel at the combination of whole numerical value of receiver module 102 all parameters.
The quick mode of one embodiment of the invention is meant that processing module 110 is made as fixed value with the partial parameters in receiver module 102 parameters, and special parameter is made as variable element, and the numerical value of inserting one by one in the preset range detected or set, to obtain the best signal of each channel.The treatment step of quick mode is as follows: at first provide a quick mode, to set the parameter setting operating mode of receiver module 102; Then, set the parameter setting operating mode of receiver module 102; Afterwards, receiver module 102 carries out channel detection and setting according to the pattern that sets.
Step S108: carry out channel detection or channel setting according to the pattern that the user selects.
Step S110: finish.
Must note, under the quick mode of one embodiment of the invention, the processing module 110 of receiver module receiving system 100 can realize the function of the channel among 102 detections of control receiver module or the setting wireless signal S1 in the extremely short time, and make receiver module 102 receive best wireless signal, realize good reception effect.
Be described in more detail in the function mode of receiver module receiving system 100 under the quick mode when as follows with reference to Figure 1A and Fig. 2., wherein Fig. 2 detection side of showing receiver module 102 to schematic diagram.
In the present embodiment, the detection side who supposes receiver module 102 be to being subdivided into 16 directions, 0～15 direction as shown in Figure 2.In the present embodiment, direction 0 is the north, direction 4 east, and direction 8 south, direction 12 is the west.Note, detection side of the present invention to number not as limit, can decide according to the characteristic of designer's demand or receiver module 102 detection side to number.
In the present embodiment, suppose that receiver module 102 includes three setup parameters, is respectively directioin parameter, gain parameter and polarity parameter.When System Operation, the optional variable element of getting at least one parameter as major control, all the other parameters can be inserted default fixed value in advance.
For example, the numerical value of supposing the directioin parameter of a receiver module 102 include 0～15, the numerical value of gain parameter include 0～3 and the numerical value of polarity parameter include 0～1.In order to set this three parameters apace, the processing unit 106 selected directions parameters of one embodiment of the invention are as the variable element of major control, and its number range that can insert is 0～15.Therefore when initial condition, processing unit 106 is inserted default fixed value by interface circuit 108 outputs one controlling signal S3 respectively with the gain parameter and the polarity parameter of receiver module 102, and for example, gain parameter is set at 3, and the polarity parameter setting is 0.
Because gain parameter and polarity parameter are fixed value so processing unit 106 must not carried out the setting action.Then, action-processing unit 106 of carrying out the direction initialization parameter is by interface circuit 108 output controlling signal S3, one channel of notice receiver module 102 its selections, and control receiver module 102 carries out generality detection (Coarse detect) to this channel.For example, processing unit 106 is filled out several directioin parameters with numerical value 0,4,8,12 respectively, make receiver module 102 respectively detection sides to the wireless signal S1 of 0,4,8 and 12 four direction.And tuner 104 receives these four wireless signal S 1, and produces four conversion signal S2 respectively.Processing unit 106 calculates a reference value of each direction in this four direction again.Afterwards, the size of more described reference value or respectively with described reference value and a default value is relatively found out the reference value near this default value, to obtain a target reference value.Determine which direction for containing the main direction of signal wireless signal S1 the best in quality according to this target reference value again, need thin portion to detect the direction of (Fine detect) with at least one this main direction decision receiver module 102 again, to obtain the optimal wireless signal S1 of this channel in all directions.Wherein, above-mentioned reference value can be signal noise ratio (Signal to Noise Ratio, SNR) value, packet error probability (Packet error rate), bit error rate (Bit error rate) ... wait one of them or its Multiple Combination.
One embodiment, suppose that processing unit 106 control receiver modules 102 carry out generality and detect: the detection side is to the wireless signal S1 of 0,4,8 and 12 all directions, and obtains the SNR value of direction 0, the SNR value of direction 4, the SNR value of direction 8 and the SNR value of direction 12.Then, processing unit 106 is these four SNR values relatively, to determine the direction with maximum S R value.In this, suppose that the signal on the direction 0 is the wireless signal S1 with maximum SNR value.Then processing unit 106 will be controlled receiver module 102 and carry out thin portion and detect: the detection side carries out to the foundation following order: direction 1 → direction 15 → direction 2 → direction 14 → direction 3 → direction 13, and obtain the SNR value of all directions.At last, processing unit 106 compares the SNR value of all directions 1,15,2,14,3,13 once more, to judge what person has maximum S R value in above-mentioned these directions, the direction that for example has the wireless signal S1 of maximum S R value is 15, then receiver module 102 is fixed as 15 for the directioin parameter of this channel.Certainly, also can adopt other order, for example: the order of direction 13 → direction 14 → direction 15 → direction 1 → direction 2 → direction 3.
After this setting finished, receiver module receiving system 100 will save as 15 with the optimum orientation of this channel.When the user at every turn when watching the program of this channel, receiver module 102 can receive the wireless signal S1 of this channel by direction 15, and obtain the optimum reception quality of this channel according to the setting that stores.Mode according to this, after each channel detects setting through above-mentioned generality with thin portion, all can obtain the direction of a best signal, the best signal direction 15 of first channel for example, the best signal direction 8... of second channel, and receiver module receiving system 100 stores the best signal directioin parameter of each channel respectively, each channel that user like this is watched all can receive signal according to the directioin parameter that this channel stores, and can realize that each channel all receives the effect of best signal, to promote the quality of reception of signal.
In addition, when the wireless signal S1 of arbitrary channel in the signal degradation of script direction initialization, to cause program to show unclear, or its wireless signal S disappears and when not finding program in the direction of originally setting, receiver module receiving system 100 of the present invention will carry out above-mentioned generality again and detect with thin portion, seek out the best signal direction of this channel, store the directioin parameter of this channel again.
The person of noting, receiver module receiving system 100 detection sides of the embodiment of the invention to order or mode not as limit, can adopt variety of way to carry out.For example can adopt two fens approximatiosses, detect and restrain or the present existing or future various algorithms that develop detect at direction in twos.One embodiment, processing unit 106 control receiver modules 102 to 0,4,8 and 12 wireless signal S1, and are obtained the SNR value of direction 0 wireless signal S1, the SNR value of direction 4 wireless signal S1, the SNR value of direction 8 wireless signal S1 and the SNR value of direction 12 wireless signal S1 with the detection side.Then, processing unit 106 is these four SNR values relatively, to determine the direction with maximum S R value wireless signal S1.Afterwards, suppose to obtain direction 0 and have largest SNR value, direction 4 has second largest SNR value.Then, processing unit 106 carries out the detection of thin portion direction according to two the first and second largest SNR values again.Be processing unit 106 will control receiver module 102 detection sides to 1, direction 2, and direction 3, and obtain the SNR value of all directions.Then, processing unit 106 is each SNR value of directions 1,2,3 relatively, judging the direction of SNR value maximum, and the directioin parameter of setting receiver module receiving system 100.Mode according to this also can obtain the directioin parameter of best signal quality.
Fig. 3 A shows the schematic diagram of an antenna processing system of one embodiment of the invention.Antenna processing system 300 includes an antenna 302 and a processing module 310.This antenna 302 includes the wireless signal of a channel in order to reception.Processing module 310 is to set the directioin parameter of antenna 302, detects the wireless signal of a plurality of directions with control antenna 302 according to directioin parameter, to obtain a plurality of reference values respectively.And processing module 310 is selected this reference value near a default value as the target reference value in described reference value, and produce a controlling signal according to this target reference value, when receiving the wireless signal of this channel, the direction of selected this target reference value correspondence is as the signal receive direction with control antenna.Wherein, above-mentioned reference value is a signal noise ratio, packet error probability, bit error rate one of them or its Multiple Combination.
Fig. 3 B is a method of controlling antenna that shows one embodiment of the invention.
Step S302: beginning.
Step S304: reception one includes the wireless signal of at least one channel.
Step S306: the directioin parameter of setting a receiver module detects the wireless signal of a first direction, and obtains one first reference value.
Step S308: the directioin parameter of setting receiver module detects the wireless signal of a second direction, to obtain one second reference value.
Step S310: relatively first reference value and second reference value select than near a reference value of a default value as the target reference value.
Step S312: produce a controlling signal according to the target reference value, with the control receiver module when receiving the wireless signal of this channel, but the direction of selected target reference value correspondence is as the signal receive direction of receiver module.
Step S314: finish.
According to the embodiment of the invention, above-mentioned reference value can be signal noise ratio, packet error probability, bit error rate one of them or its Multiple Combination, but embodiments of the invention are not as limit.
Fig. 4 and Fig. 5 are the establishing method flow charts that shows the receiver module of the embodiment of the invention.Those skilled in the art should be exposed in the above-mentioned receiving system by the content that the accompanying drawing formula is understood this two embodiment, therefore no longer repeats to give unnecessary details the details in the accompanying drawing.
In sum, receiving system of the present invention can utilize the setting of processing unit control receiver module internal circuit, allow receiver module when the signal scanning of carrying out channel, can only make seek actions at special parameter, find the corresponding parameter (as: directioin parameter of reception or gain parameter etc.) of the optimal wireless signal of each channel, and the parameter of this optimal wireless signal is stored.And when the user watches different channel, can make receiver module automatically adopt to storage parameter that should channel, and receive best wireless signal, this can promote the signal quality of reception.Because the receiver module receiving system is only done seek actions at special parameter, therefore when carrying out the signal detection, need whole parameters are done to detect to compare then to save a large amount of time with prior art, and then the detection and the setting speed of lifting receiver module, the various possible problem of solution prior art.
The above only is embodiments of the invention, and all equalizations of making according to claim of the present invention change and revise, and all should belong to covering scope of the present invention.
Claims (26)
1. receiving system includes:
One receiver module has a plurality of parameters, in order to setting this a plurality of parameters according to a controlling signal, and in order to respectively according to the setting of different parameters to receive a wireless signal, to export one first output signal and one second output signal respectively; And
One processing module couples this receiver module, in order to according to this first with this second output signal, set described parameter to produce this controlling signal.
2. receiving system as claimed in claim 1, wherein, these a plurality of parameters include in a directioin parameter, a gain parameter and the polarity parameter one at least or at least its two.
3. receiving system as claimed in claim 1, wherein, this receiver module according to this directioin parameter to determine a receive direction.
4. receiving system as claimed in claim 1, wherein, this receiver module is adjusted the gain of this receiver module according to this gain parameter.
5. receiving system as claimed in claim 1, wherein, this processing module determines this processing module and this receiver module to carry out one-way communication control or carry out both-way communication control by this interface circuit according to user's the setting or the pre-set specifications of system.
6. receiving system as claimed in claim 5, wherein, this receiver module also produces at least one feedback signal according to its system mode or signal accepting state, and by this interface circuit to carry out bidirectional data transfers and control with this processing unit.
7. receiving system as claimed in claim 1, wherein, at least one in a signal noise ratio, a packet error probability or the bit error rate of this processing module foundation first and this second output signal is to produce this controlling signal.
8. receiving system as claimed in claim 7, wherein, this processing module according to described parameter and described reference value in this first and this second input signal in select a best signal with best signal quality, with as an output signal.
9. wireless signal receiving system comprises:
One antenna includes the wireless signal of a channel in order to reception;
One tuner couples this antenna, in order to this wireless signal is carried out frequency inverted, to produce a conversion signal; And
One processing unit, couple this tuner, the signal receive direction of controlling this antenna to be detecting the wireless signal of a first direction and a second direction, and utilizes this tuner to produce one first conversion signal and change signal to obtain one first reference value and one second reference value respectively with one second; And this processing unit according to this first reference value and this second reference value producing a controlling signal, to control this antenna selected receive direction when receiving the wireless signal of this channel.
10. wireless signal receiving system as claimed in claim 9, wherein, this reference value is the one at least in a signal noise ratio, a grouping speed or the bit error rate.
11. wireless signal receiving system as claimed in claim 9, wherein, this processing unit is exported this controlling signal to this receiver module by an interface.
12. a signal method of reseptance includes:
A sensing circuit that includes a plurality of parameters is provided, and wherein, described parameter includes a plurality of variable elements;
Receive one first input signal and one second input signal by this sensing circuit, wherein, this first with this second input signal all include a plurality of reference values;
This sensing circuit according to described parameter and described reference value select this first with this second input signal, to produce an output signal; And
Provide a treatment circuit according to described reference value relatively this first with this second input signal, adjust one at least in the described variable element to produce a controlling signal.
13. method as claimed in claim 12, wherein, this step that produces this output signal also includes:
This sensing circuit according to described parameter and described reference value in this first with this second input signal in select a best signal with best signal quality, with as this output signal.
14. method as claimed in claim 13, wherein, this step that produces this output signal also includes:
This sensing circuit should the best signal according to described parameter adjustment.
15. method as claimed in claim 12, wherein, described parameter includes the one at least in a directioin parameter, a gain parameter or the polarity parameter.
16. method as claimed in claim 12, wherein, described reference value includes the one at least in a signal noise ratio, a packet error speed, the bit error rate.
17. method as claimed in claim 12, wherein, this sensing cell is an antenna, and this first with this second input signal be wireless signal.
18. method as claimed in claim 12, wherein, this step that produces this output signal more includes:
Provide dynamic model formula on the other hand, to set the parameter setting operating mode of this sensing circuit;
Set the parameter setting operating mode of this sensing circuit; And
This sensing circuit carries out channel detection and setting according to the pattern that sets.
19. method as claimed in claim 12, wherein, this step that produces this output signal more includes:
Provide a quick mode, to set the parameter setting operating mode of this sensing circuit;
Set the parameter setting operating mode of this sensing circuit; And
This sensing circuit carries out channel detection and setting according to the pattern that sets.
20. an antenna processing system comprises:
One antenna includes the wireless signal of a channel in order to reception;
One processing module, set the directioin parameter of this antenna, detect the wireless signal of a plurality of directions according to this directioin parameter, to obtain a plurality of reference values respectively, in described reference value, select this reference value near a default value as the target reference value, produce a controlling signal according to this target reference value, to control this antenna when receiving the wireless signal of this channel, the direction of selected this target reference value correspondence is as the signal receive direction.
21. antenna processing as claimed in claim 20 system, wherein, this reference value is a signal noise ratio, packet error probability, bit error rate one of them or its Multiple Combination.
22. a method of controlling antenna includes:
Reception one includes the wireless signal of at least one channel;
The directioin parameter of setting an antenna detects the wireless signal of a first direction, and obtains one first reference value;
This directioin parameter of setting this antenna detects the wireless signal of a second direction, to obtain one second reference value;
Relatively this first reference value and this second reference value are selected this reference value near a default value as the target reference value; And
Produce a controlling signal according to this target reference value, to control this antenna when receiving the wireless signal of this channel, the direction of selected this target reference value correspondence is as the signal receive direction of this antenna.
23. method as claimed in claim 22, wherein, this reference value is a signal noise ratio, packet error probability, bit error rate one of them or its Multiple Combination.
24. a method of controlling antenna includes:
An antenna that includes a plurality of parameters is provided;
At least one parameter in the described parameter is made as variable element, and all the other parameters are made as fixed value; A plurality of wireless signals are provided, and wherein said wireless signal includes same channel;
Control this antenna and receive described wireless signal respectively, in described wireless signal, to capture a plurality of reference values according to a plurality of setting numerical value of this variable element; And
Judge this wireless signal that includes this channel best in quality according to described reference value.
25. method as claimed in claim 24, wherein, these a plurality of setting numerical value are to be set in the preset range.
26. method as claimed in claim 24, wherein, this parameter includes: directioin parameter, gain parameter or polarity parameter.
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| CN2009102245040A CN102064840A (en) | 2009-11-17 | 2009-11-17 | Receiving device and method |
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| CN2009102245040A CN102064840A (en) | 2009-11-17 | 2009-11-17 | Receiving device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106169944A (en) * | 2015-05-18 | 2016-11-30 | 和硕联合科技股份有限公司 | Automatic parameter adjusting system and automatic parameter adjusting method thereof |
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| CN1588115A (en) * | 2004-09-30 | 2005-03-02 | 无锡市科迪安科技有限公司 | Quick searching method and device for portable satellite receiver |
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