CN103326848A - Method and system for achieving full duplex for infrared communication - Google Patents
Method and system for achieving full duplex for infrared communication Download PDFInfo
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- CN103326848A CN103326848A CN2013102610375A CN201310261037A CN103326848A CN 103326848 A CN103326848 A CN 103326848A CN 2013102610375 A CN2013102610375 A CN 2013102610375A CN 201310261037 A CN201310261037 A CN 201310261037A CN 103326848 A CN103326848 A CN 103326848A
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Abstract
The invention relates to a method and system for achieving full duplex for infrared communication. The method includes the steps of defining a time slice in infrared communication and the ratio of transmitting time to receiving time in the time slice in advance, and transmitting data according to the transmitting time in the time slice and receiving data according to the receiving time in the time slice alternatively. According to the method and system for achieving full duplex for infrared communication, by defining of the time slice, the time slice is divided into the transmitting time and the receiving time, data are transmitted according to the transmitting time and data are received according to the receiving time alternatively, full duplex operation of the infrared communication is simulated, what is needed is to regulate the transmitting time and the receiving time and the full duplex operation can be achieved, special infrared communication chips are needless, and cost is reduced.
Description
Technical field
The present invention relates to the communication technology, particularly relate to the method and system that a kind of infrared communication is realized full duplex.
Background technology
Infrared communication can not have any impact to environment for use owing to adopting sightless infrared waves as transmission medium, so well use prospect the Medical Devices industry person of having, is widely used on the Medical Devices such as plug-in unit patient monitor.
Because easily reflection and refraction caused infrared communication with half-duplex mode work, to have brought difficulty to practical application when light wave conducted in the space.Developed specially the IRDA(Infrared Data Association of suitable infrared transmission, the infrared data tissue for this reason) agreement, and the integrated special-purpose infrared communication chip of IRDA agreement, the simulation full duplex mode work that infrared transmission is tried one's best.Yet, adopt special-purpose infrared communication chip to increase cost.
Summary of the invention
Based on this, be necessary to cause the high problem of cost for the special-purpose infrared communication chip of available technology adopting, provide a kind of infrared communication that can reduce cost to realize the method for full duplex.
In addition, also be necessary to provide a kind of infrared communication that can reduce cost to realize the system of full duplex.
A kind of infrared communication is realized the method for full duplex, comprising:
The ratio of transmitting time and time of reception in timeslice in the pre-defined infrared communication and the described timeslice;
Alternately according to the transmission data of the transmitting time in the described timeslice and according to the time of reception receive data in the described timeslice.
Among embodiment, the timeslice in the described predefined infrared communication is 100 milliseconds therein.
Among embodiment, the ratio of transmitting time and time of reception is 1:1 in the described timeslice therein, and described transmitting time and time of reception respectively account for 50 milliseconds.
Among embodiment, described method also comprises therein:
In described time of reception, surpass Preset Time and do not receive data, then send data.
Among embodiment, described timeslice is 100 milliseconds therein, and described Preset Time is 5 milliseconds.
A kind of infrared communication is realized the system of full duplex, comprising:
The predefine module is used for the ratio of transmitting time and time of reception in the timeslice of pre-defined infrared communication and the described timeslice;
Communication module is used for alternately according to the transmitting time transmission data of described timeslice and according to the time of reception receive data in the described timeslice.
Among embodiment, the timeslice in the described predefined infrared communication is 100 milliseconds therein.
Among embodiment, the ratio of transmitting time and time of reception is 1:1 in the described timeslice therein, and described transmitting time and time of reception respectively account for 50 milliseconds.
Among embodiment, described system also comprises therein:
Judge module is used for judging whether surpassing in the described time of reception Preset Time and does not receive data;
Described communication module sends data for surpassing when Preset Time does not receive data in described time of reception.
Among embodiment, described timeslice is 100 milliseconds therein, and described Preset Time is 5 milliseconds.
Above-mentioned infrared communication is realized the method and system of full duplex, by the definition time sheet, and timeslice is divided into transmitting time and time of reception, and alternately send data and time of reception receive data according to transmitting time, simulation realizes the full duplex mode work of infrared communication, only by the regulation and control transmitting-receiving time, namely reaches full duplex mode work, do not need special-purpose infrared communication chip, reduced cost.
Description of drawings
Fig. 1 is the flow chart that infrared communication is realized the method for full duplex among the embodiment;
Fig. 2 is the structured flowchart that infrared communication is realized the system of full duplex among the embodiment;
Fig. 3 is the structured flowchart that infrared communication is realized the system of full duplex among the embodiment.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, be the flow chart that infrared communication is realized the method for full duplex among the embodiment.This infrared communication is realized the method for full duplex, comprising:
Step S102, the ratio of transmitting time and time of reception in the timeslice in the pre-defined infrared communication and the described timeslice.
Concrete, the timeslice in the predefined infrared communication can be set as required, such as 90 milliseconds, 100 milliseconds or 120 milliseconds etc.In the present embodiment, the timeslice in the predefined infrared communication is 100 milliseconds.Timeslice is elected 100 milliseconds as, realizes that the full-duplex communication effect is better.
The ratio of transmitting time and time of reception can be set as required in this timeslice, such as 1:1, and 2:1,3:1 etc.In the present embodiment, the ratio of transmitting time and time of reception is 1:1 in this timeslice, and this transmitting time and time of reception respectively account for 50 milliseconds.
Step S104 is alternately according to the transmission data of the transmitting time in this timeslice and according to the time of reception receive data in this timeslice.
Concrete, alternately send data and receive data, realize the full duplex mode of infrared communication.
Above-mentioned infrared communication is realized the method for full duplex, by the definition time sheet, and timeslice is divided into transmitting time and time of reception, and alternately send data and time of reception receive data according to transmitting time, simulation realizes the full duplex mode work of infrared communication, only by the regulation and control transmitting-receiving time, namely reaches full duplex mode work, do not need special-purpose infrared communication chip, reduced cost.
In one embodiment, above-mentioned infrared communication is realized the method for full duplex, also comprises: surpass Preset Time and do not receive data in this time of reception, then send data.This timeslice is 100 milliseconds, and time of reception and transmitting time respectively account for 50 millimeters, and this Preset Time is 5 milliseconds.
By judging whether to receive data at Preset Time, can judge whether there is data transmission errors, when having data transmission errors, the data of discardable this time transmission send again again.
In one embodiment, above-mentioned infrared communication is realized the method for full duplex, also comprise: data are set send buffering area, data in data send buffering area are no more than 90 milliseconds data, intercept whether not receiving data above Preset Time, if then begin to send data, if not, then continue to intercept whether do not receive data above Preset Time.By being set, data send the continuity that buffering area can guarantee data.
In addition, also the data receiver buffering area can be set, the data buffer storage that receives at buffering area, is kept the continuity of receive data.
As shown in Figure 2, infrared communication is realized the structured flowchart of the system of full duplex in one embodiment.This infrared communication is realized the system of full duplex, comprises predefine module 220 and communication module 240.Wherein:
Predefine module 220 is used for the ratio of transmitting time and time of reception in the timeslice of pre-defined infrared communication and this timeslice.
Concrete, the timeslice in the predefined infrared communication can be set as required, such as 90 milliseconds, 100 milliseconds or 120 milliseconds etc.In the present embodiment, the timeslice in the predefined infrared communication is 100 milliseconds.Timeslice is elected 100 milliseconds as, realizes that the full-duplex communication effect is better.
The ratio of transmitting time and time of reception can be set as required in this timeslice, such as 1:1, and 2:1,3:1 etc.In the present embodiment, the ratio of transmitting time and time of reception is 1:1 in this timeslice, and this transmitting time and time of reception respectively account for 50 milliseconds.
Concrete, alternately send data and receive data, realize the full duplex mode of infrared communication.
Above-mentioned infrared communication is realized the system of full duplex, by the definition time sheet, and timeslice is divided into transmitting time and time of reception, and alternately send data and time of reception receive data according to transmitting time, simulation realizes the full duplex mode work of infrared communication, only by the regulation and control transmitting-receiving time, namely reaches full duplex mode work, do not need special-purpose infrared communication chip, reduced cost.
In another embodiment, as shown in Figure 3, above-mentioned infrared communication is realized the system of full duplex, except comprising predefine module 220 and communication module 240, also comprises judge module 260.Wherein:
Judge module 260 is used for judging whether surpassing in this time of reception Preset Time and does not receive data.
This timeslice is 100 milliseconds, and time of reception and transmitting time respectively account for 50 millimeters, and this Preset Time is 5 milliseconds.
By judging whether to receive data at Preset Time, can judge whether there is data transmission errors, when having data transmission errors, the data of discardable this time transmission send again again.
In one embodiment, above-mentioned infrared communication is realized the system of full duplex, also comprises module is set.
Wherein, module is set is used for arranging data transmission buffering area, the data in data send buffering area are no more than 90 milliseconds data.Judge module 260 also is used for intercepting whether do not receive data above Preset Time, if then communication module 240 begins to send data, if not, then judge module 260 continues to intercept whether do not receive data above Preset Time.By being set, data send the continuity that buffering area can guarantee data.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an infrared communication is realized the method for full duplex, comprising:
The ratio of transmitting time and time of reception in timeslice in the pre-defined infrared communication and the described timeslice;
Alternately according to the transmission data of the transmitting time in the described timeslice and according to the time of reception receive data in the described timeslice.
2. infrared communication according to claim 1 is realized the method for full duplex, it is characterized in that, the timeslice in the described predefined infrared communication is 100 milliseconds.
3. infrared communication according to claim 2 is realized the method for full duplex, it is characterized in that, the ratio of transmitting time and time of reception is 1:1 in the described timeslice, and described transmitting time and time of reception respectively account for 50 milliseconds.
4. infrared communication according to claim 1 is realized the method for full duplex, it is characterized in that, described method also comprises:
In described time of reception, surpass Preset Time and do not receive data, then send data.
5. infrared communication according to claim 4 is realized the method for full duplex, it is characterized in that, described timeslice is 100 milliseconds, and described Preset Time is 5 milliseconds.
6. the system of an infrared communication realization full duplex is characterized in that, comprising:
The predefine module is used for the ratio of transmitting time and time of reception in the timeslice of pre-defined infrared communication and the described timeslice;
Communication module is used for alternately according to the transmitting time transmission data of described timeslice and according to the time of reception receive data in the described timeslice.
7. infrared communication according to claim 6 is realized the system of full duplex, it is characterized in that, the timeslice in the described predefined infrared communication is 100 milliseconds.
8. infrared communication according to claim 7 is realized the system of full duplex, it is characterized in that, the ratio of transmitting time and time of reception is 1:1 in the described timeslice, and described transmitting time and time of reception respectively account for 50 milliseconds.
9. infrared communication according to claim 6 is realized the system of full duplex, it is characterized in that, described system also comprises:
Judge module is used for judging whether surpassing in the described time of reception Preset Time and does not receive data;
Described communication module sends data for surpassing when Preset Time does not receive data in described time of reception.
10. infrared communication according to claim 4 is realized the system of full duplex, it is characterized in that, described timeslice is 100 milliseconds, and described Preset Time is 5 milliseconds.
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| CN2013102610375A CN103326848A (en) | 2013-06-26 | 2013-06-26 | Method and system for achieving full duplex for infrared communication |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469285A (en) * | 1993-01-26 | 1995-11-21 | Royale Consultants Ltd. | Method and equipment for bidirectional data transmission (full-duplex) |
| CN1245605A (en) * | 1996-12-09 | 2000-02-23 | 艾利森公司 | Full duplex asynchronous communication in single communication system |
| CN1667966A (en) * | 2004-03-09 | 2005-09-14 | 精工爱普生株式会社 | Data transfer control device, electronic instrument, and data transfer control method |
| CN101150389A (en) * | 2006-09-20 | 2008-03-26 | 华为技术有限公司 | Time division duplex radio communication system and its signal transmission method |
-
2013
- 2013-06-26 CN CN2013102610375A patent/CN103326848A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469285A (en) * | 1993-01-26 | 1995-11-21 | Royale Consultants Ltd. | Method and equipment for bidirectional data transmission (full-duplex) |
| CN1245605A (en) * | 1996-12-09 | 2000-02-23 | 艾利森公司 | Full duplex asynchronous communication in single communication system |
| CN1667966A (en) * | 2004-03-09 | 2005-09-14 | 精工爱普生株式会社 | Data transfer control device, electronic instrument, and data transfer control method |
| CN101150389A (en) * | 2006-09-20 | 2008-03-26 | 华为技术有限公司 | Time division duplex radio communication system and its signal transmission method |
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