CN109617659A - A kind of blind repeating method of data - Google Patents
A kind of blind repeating method of data Download PDFInfo
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- CN109617659A CN109617659A CN201910111830.4A CN201910111830A CN109617659A CN 109617659 A CN109617659 A CN 109617659A CN 201910111830 A CN201910111830 A CN 201910111830A CN 109617659 A CN109617659 A CN 109617659A
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- data
- data frame
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- receiving end
- repeating method
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/189—Transmission or retransmission of more than one copy of a message
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of blind repeating method of data, comprising: in CDMA (CDMA) system, marks multiple serial numbers in one group of data to be sent, obtains multiple data frames；Transmitting terminal successively sends the multiple data frame；After all sending, stop sending, receiving end captures data frame by search；And receiving end merges the content of each data frame and is demodulated again.Thus, one group of data is labeled as multiple data frames using serial number, after each send, data frame is retransmitted in the case where being not listening to answer signal, after total data frame is all sent completely, receiving end captures data frame by search, and the content for merging the data frame searched is demodulated, i.e. as monitored in the prior art every time, monitoring demand can be reduced, the reception energy consumption of transmitting terminal is reduced, while also simplifying the difficulty of system call design.
Description
Technical field
The present invention relates to communication technique field, specially a kind of blind repeating method of data.
Background technique
Current wireless retransmission mechanism, main method are in sender after sending data, by reading receiving end
Response come confirm oneself send information whether receiving end is properly received.If response success, stops sending.If response
Failure is sent, then is retransmitted, until sending successfully or being more than maximum number of retransmissions.Under the conditions of current technology, retransmit
It is determined by the answer signal of receiving end, needs additional monitoring in this way.In addition, previous data are just directly lost after retransmitting
It abandons, in this way, previously sent data of eating dishes without rice or wine just are simply discarded, wastes bandwidth resources.
Summary of the invention
The purpose of the present invention is to provide a kind of blind repeating methods of data, to solve mentioned above in the background art ask
Topic, reduces the demand of monitoring, and avoid the waste of bandwidth resources.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of blind repeating method of data, comprising:
Multiple serial numbers are marked in one group of data to be sent, obtain multiple data frames；
Transmitting terminal successively sends the multiple data frame；
After all sending, stop sending, receiving end captures data frame by search；And
The data of merging data frame are demodulated.
Optionally, for the blind repeating method of a kind of data, the multiple serial number includes the continuous serial number of 1~n.
Optionally, for the blind repeating method of a kind of data, when transmitting terminal successively sends the multiple data frame,
It is spaced and fixes between each data frame.
Optionally, for the blind repeating method of a kind of data, by search, capture data frame includes: to catch for receiving end
Obtain a part in received data frame.
Optionally, for the blind repeating method of a kind of data, comprising:
Received at least one of the data frame of capture；
It is analyzed by serial number, obtains the position of other data frames.
Optionally, for the blind repeating method of a kind of data, the content that receiving end merges each data frame is solved again
Tune includes: the energy signal by merging the data frame corresponding position, obtains data-signal gain.
Optionally, for the blind repeating method of a kind of data, by search, capture data frame includes: to catch for receiving end
Obtain all data frames received.
Optionally, for the blind repeating method of a kind of data, receiving end is by search, after capturing data frame, also
It include: the response for carrying out monitoring reception end.
Optionally, for the blind repeating method of a kind of data, the blind repeating method of data is suitable for CDMA
(CDMA) system.
Compared with prior art, the present invention provides a kind of blind repeating method of data, comprising: in one group of data to be sent
Multiple serial numbers are marked, multiple data frames are obtained；Transmitting terminal successively sends the multiple data frame；After all sending, stop hair
It send, receiving end captures data frame by search；And receiving end merges the content of each data frame and is demodulated again.As a result, by one
Group data are labeled as multiple data frames using serial number, after each send, retransmit in the case where being not listening to answer signal
Data frame, after total data frame is all sent completely, receiving end captures data frame by search, i.e., as each in the prior art
It is all monitored, monitoring demand can be reduced, reduce the reception energy consumption of transmitting terminal, while also simplified system call and setting
The difficulty of meter；Also, due to being to capture data frame after all sending again, it is not in weight that involved object, which is total data frame,
After hair the case where loss of data；The serial number retransmitted by mark, such receiving end can be gone to merge it by the serial number recognized
The data content of his serial number, is demodulated, and the gain of signal can be greatly improved, and promotes demodulation quality, promotes anti-collision ability,
Maximise the bandwidth resources eated dishes without rice or wine.
Detailed description of the invention
Fig. 1 is the flow diagram of the blind repeating method of data in one embodiment of the invention；
Fig. 2 is the schematic diagram that fixed intervals send data in one embodiment of the invention；
Fig. 3 is that the schematic diagram for obtaining Data Position is calculated in one embodiment of the invention；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Direct Sequence Spread Spectrum (DSSS) technology is that information to be sent with spread spectrum code sequence expands to a very wide frequency
Band gets on, and in receiving end, carries out related place to the spread-spectrum signal received with to the identical spread spectrum code sequence of originator extension
Reason, recovers the information of transmission.As recorded in background technique, present inventor thinks after research, current wireless weight
Biography mechanism, effect is poor, can not carry out reasonable utilization to resource, mainly primary to send caused by primary monitor.If can be with
Adjust listening mode, it is likely that improve this situation.
Based on this, referring to FIG. 1, the invention provides the following technical scheme: a kind of blind repeating method of data, comprising:
Step S11 marks multiple serial numbers in one group of data to be sent, obtains multiple data frames；
Step S12, transmitting terminal successively send the multiple data frame；
Step S13 after all sending, stops sending, and receiving end captures data frame by search；And step S14, it connects
The content that receiving end merges each data frame is demodulated again.
As a result, after each send, data frame is retransmitted in the case where being not listening to answer signal, in total data frame
After being all sent completely, receiving end captures data frame by search, and the content for merging each data frame is demodulated again, i.e., as existing
It is monitored every time in technology, monitoring demand can be reduced, reduced the reception energy consumption of transmitting terminal, also simplify simultaneously
The difficulty of system call design；Also, due to being to capture data frame after all sending again, involved object is total data frame,
The case where being not in loss of data after retransmitting；The serial number retransmitted by mark, such receiving end can be by the sequences that recognize
Number the data content for merging other serial numbers is removed, demodulated, the gain of signal can be greatly improved, promote demodulation quality, promoted
Anti-collision ability maximises the bandwidth resources eated dishes without rice or wine.
Specifically, the multiple serial number includes the continuous serial number of 1~n.It is understood that can also be other kinds of
Serial number, such as letter, or number and the combination of letter etc..It is more convenient using the continuous serial number of 1~n.It should be noted that
It is only only intended to identify to the serial number that data are stamped need to be sent in the embodiment of the present invention, can not be used as proposed by the invention
Serial number and data restriction.
Such as one group of data to be sent is provided, and it can be by way of reference number, the data to be sent from this group
It is middle to obtain multiple data frames.Specifically, one group of data to be sent can be multiple identical data.As shown in Fig. 2, every
A data frame may include leading, serial number and data, and the data in each data frame are consistent, be all described one group to be sent
Data.Serial number can gradually be numbered since 1, such as n can be 3,5,10,20,100 etc., according to actual demand, Ke Yiling
Work is configured.
Later, it determines the interval for the data frame that each adjacent two need to be sent, such as preferably, uses fixed intervals here,
In order to receiving end reception.
In one embodiment, the interval can be the interval of receiving-transmitting sides agreement, can not also can wait at equal intervals
Interval.
Then n data frame can successively be sent according to this fixed intervals.
In one embodiment, n data frame is sent one time.After transmitting terminal has sent the n data frame, stop
Only send.
As shown in figure 3, receiving end captures data frame by search after all n data frames are all sent completely, specifically,
It comprises the following processes:
It may include following situation that receiving end, which captures data: for example, at least one of the data frame that capture is received；
Alternatively, the data frame received that capture is all.In one embodiment, the form of one data frame of capture is taken.
So, according to any one data frame of capture, serial number analysis is carried out, obtains front and back using the fixed intervals of setting
Other data frames position；As a result, according to fixed intervals, it can also determine whether that there are data frames not to receive success, so as to
Other problems, such as transmission/receiving device are further judged with the presence or absence of exception, and communication environment is with the presence or absence of interference etc..
Later, receiving end is demodulated again by merging the content of the data frame, such as merges the data frame, correspondence
The energy signal etc. of position, obtains data-signal gain.This data-signal gain is additional data letter compared with prior art
Number gain, therefore help to promote anti-collision ability.By recycling the data of other serial number frames, interface-free resources are maximized.
According to actual demand, in receiving end by search, after capturing data frame, further includes: carry out answering for monitoring reception end
It answers.N data frame is once sent, substantially may insure that data are properly received, but in order to further confirm that, Ke Yishe
Set the response at monitoring reception end.
The response that monitoring reception end is arranged can be applied at following aspect, for example, when all n data frames wholes not by
, can be unresponsive by receiving end when receiving end receives, to obtain this special circumstances, further to analyze and determine problem institute
Can also be to avoid other problems caused by the non-transmission success of data.
Add the data frame after serial number such as in extreme situation, that is, issued 1 to n, all received without receiving end,
At this point, can also continue to be handled using scheme proposed by the invention in the case where unresponsive, i.e., sent in transmitting terminal
After the sequence number (the complete sequence number is denoted as 1 ') of complete complete set, repetition sends the set sequence number (being denoted as n '), per adjacent
Two sets of complete sequence numbers are directly also provided with a fixed intervals, and the principle of this kind of situation is identical as the above-mentioned principle of the present invention,
Some sequence number n ' or some sequence number n therein is either received, can be extrapolated according to the fixed intervals of setting
The position of entire data frame, belongs to protection scope of the present invention, this will not be repeated here.
For example, the blind repeating method of data of the present invention can be adapted for CDMA (CDMA) system.
In order to better understand the present invention, name out example the present invention is made it is further elucidated above: for example in Fig. 3
In, if n=5.
Each data that need to send successively are stamped serial number, 1,2,3,4,5, i.e. acquisition 5 by the data that transmitting terminal determination need to be sent
A data frame.Then determine that each adjacent two need to send the agreement interval of data (such as between 1 and 2,2 and 3,3 and 4,4 and 5 again
Interval).In the case where arranging interval, transmitting terminal continuously transmits the data frame from 1 to 5 plus after serial number.Transmitting terminal has been sent
After 5 data frames, stop sending, receiving end further can carry out monitoring reception by search, capture data frame
The response at end.Receiving end captures data, at this point, receiving end may capture 1 to 5 total data frame by search, it is also possible to
A data frame or multiple data frames can be captured, by taking a data frame as an example, when capturing any one data frame,
It is analyzed by its serial number, the position of other data frames of available front and back；For example, when its correspondence serial number of the data frame of capture
When 3, it is spaced according to pre-set agreement, the position of 4 corresponding data frame of serial number 2 and serial number can be obtained, and then according to serial number 2
With the position of 4 corresponding data frame of serial number, the position of 5 corresponding data frame of serial number 1 and serial number can be extrapolated, this is merged by algorithm
The contents such as energy signal of a little data frame corresponding positions, available additional data-signal gain, receiving end demodulated again,
Output, so as to avoid additional monitoring, and the data by recycling other serial number frames, interface-free resources are maximized.
In conclusion the present invention provides a kind of blind repeating method of data, comprising: marked in one group of data to be sent more
A serial number obtains multiple data frames；Transmitting terminal successively sends the multiple data frame；After all sending, stops sending, receive
End captures data frame by search；And receiving end merges the content of each data frame and is demodulated again.As a result, by one group of data
Multiple data frames are labeled as using serial number, after each send, data frame is retransmitted in the case where being not listening to answer signal,
After total data frame is all sent completely, receiving end captures data frame by search, i.e., as supervised in the prior art every time
It listens, monitoring demand can be reduced, reduce the reception energy consumption of transmitting terminal, while also simplifying the difficulty of system call design
Degree；Also, due to being to capture data frame after all sending again, involved object is total data frame, is not in number after retransmitting
The case where according to losing；The serial number retransmitted by mark, such receiving end can be gone to merge other serial numbers by the serial number recognized
Data content, demodulated, can greatly improve the gain of signal, promote demodulation quality, promote anti-collision ability, maximized
The bandwidth resources eated dishes without rice or wine.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of blind repeating method of data characterized by comprising
Multiple serial numbers are marked in one group of data to be sent, obtain multiple data frames；
Transmitting terminal successively sends the multiple data frame；
After all sending, stop sending, receiving end captures data frame by search；And
The content that receiving end merges each data frame is demodulated again.
2. the blind repeating method of a kind of data according to claim 1, which is characterized in that the multiple serial number includes 1~n's
Continuous serial number.
3. the blind repeating method of a kind of data according to claim 1, which is characterized in that transmitting terminal is by the multiple data frame
When successively sending, it is spaced and fixes between each data frame.
4. the blind repeating method of a kind of data according to claim 1, which is characterized in that receiving end captures number by search
According to a part that frame includes: in the received data frame of capture.
5. the blind repeating method of a kind of data according to claim 4, it is characterised in that:
Received at least one of the data frame of capture；
It is analyzed by serial number, obtains the position of other data frames.
6. the blind repeating method of a kind of data according to claim 5, which is characterized in that receiving end merges the interior of each data frame
It includes: the energy signal by merging the data frame corresponding position that appearance carries out demodulation again, obtains data-signal gain.
7. the blind repeating method of a kind of data according to claim 1, which is characterized in that receiving end captures number by search
It include: all data frames received of capture according to frame.
8. the blind repeating method of a kind of data according to claim 1, which is characterized in that receiving end captures number by search
After frame, further includes: carry out the response at monitoring reception end.
9. the blind repeating method of a kind of data as claimed in any of claims 1 to 8, which is characterized in that the data
Blind repeating method is suitable for code division multiple access system.
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| CN201910111830.4A CN109617659A (en) | 2019-02-12 | 2019-02-12 | A kind of blind repeating method of data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021159593A1 (en) * | 2020-02-14 | 2021-08-19 | 惠州Tcl移动通信有限公司 | Data transmission method and device and storage medium |
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| US20170279472A1 (en) * | 2016-02-05 | 2017-09-28 | Sony Corporation | Communications devices, infrastructure equipment and methods |
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| CN101223759A (en) * | 2005-07-08 | 2008-07-16 | 富士通株式会社 | Transmission device, receiving device and information communication method |
| CN102740355A (en) * | 2011-04-04 | 2012-10-17 | 三星电机株式会社 | Method of reducing retransmission of data frame and receiving node therefor |
| CN103607264A (en) * | 2013-10-17 | 2014-02-26 | 兴唐通信科技有限公司 | 3G network-based in-band data transmission method |
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Application publication date: 20190412 |