CN107528668A - A kind of data transmission method and equipment - Google Patents
A kind of data transmission method and equipment Download PDFInfo
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- CN107528668A CN107528668A CN201610457805.8A CN201610457805A CN107528668A CN 107528668 A CN107528668 A CN 107528668A CN 201610457805 A CN201610457805 A CN 201610457805A CN 107528668 A CN107528668 A CN 107528668A
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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Abstract
The embodiment of the invention discloses a kind of data transmission method, including：Channel quality indication (CQI) information is obtained, the channel quality indication (CQI) information is used for the channel quality for characterizing present channel；It is the integer more than or equal to 0 to determine data duplication number N corresponding to the channel quality indication (CQI) information, N；Initial data is replicated into N parts, obtains N part data trnascriptions；N parts data trnascription and the initial data are sent to the second equipment.The embodiment of the present invention also discloses a kind of equipment simultaneously.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of data transmission method and equipment.
Background technology
In mobile communication system, the stability of link is a very important index.If due to a variety of causes, make
Channel quality be deteriorated, and then cause link disconnect if, the communication in system will be unable to be normally carried out.Even if channel matter afterwards
Amount reverts to preferable states, is also required to longer time during the link re-establishment of disconnection, this can undoubtedly be produced to whole communication system
Large effect.
Particularly, when channel quality is in critical condition, this influence is bigger.For example, in satellite communication system, when by
In rain decline etc. reason cause channel quality to be in critical condition when, the stability of link will be deteriorated, now, once communication link
Generation chain rupture, data will be unable to normal transmission, and then cause whole communication system to will be unable to carry out proper communication.
The content of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of data transmission method and equipment, to carry
The stability of high communication link, ensure whole communication system proper communication.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
In a first aspect, the embodiment of the present invention provides a kind of data transmission method, including：Obtain channel quality indication (CQI) information,
The channel quality indication (CQI) information is used for the channel quality for characterizing present channel；Determine corresponding to the channel quality indication (CQI) information
Data duplication number N, N are the integer more than or equal to 0；Initial data is replicated into N parts, obtains N part data trnascriptions；By the N
Part data trnascription and the initial data are sent to the second equipment.
In embodiments of the present invention, the acquisition channel quality indication (CQI) information, including：Receive from second equipment
First data-signal, first data-signal are modulated to obtain by the first data；According to first data-signal, calculate
The channel quality indication (CQI) information.
In embodiments of the present invention, the acquisition channel quality indication (CQI) information, including：Second data are modulated into the second number
It is believed that number, and second data-signal is sent to second equipment, wherein, second data-signal is used to indicate second
Equipment calculates the channel quality indication (CQI) information；Receive the channel quality indication (CQI) information from second equipment.
In embodiments of the present invention, before transmission second data-signal is to second equipment, institute's method
Also include：The channel quality performance parameter of the present channel is inserted in the data frame of second data-signal, described the
Two data-signals are used to indicate that the second equipment calculates the channel quality indication (CQI) information according to the channel quality performance parameter.
In embodiments of the present invention, the channel quality indication (CQI) information of the reception from second equipment, including：
The channel quality indication (CQI) information from second equipment is received, the channel quality indication (CQI) information is used to characterize described work as
The channel quality of preceding channel is in critical condition.
Second aspect, the embodiment of the present invention provide a kind of data transmission method, including：Receive the identical of the first equipment transmission
N+1 part data, N is integer more than or equal to 0；According to default data duplication number N, N+1 parts data are carried out
Parsing, the data duplication number N are what first equipment determined according to channel quality indication (CQI) information, and the channel quality refers to
Show that information is used for the channel quality for characterizing present channel；When parsing a data in N+1 parts data, it is determined that communication
Link is normal.
In embodiments of the present invention, before N part data that the first equipment of the reception is sent, methods described also includes：
First data are modulated into the first data-signal, first data-signal is used to indicate that first equipment calculates the channel
Quality indication (CQI) information；First data-signal is sent to first equipment.
In embodiments of the present invention, before N+1 part data that the first equipment of the reception is sent, methods described is also wrapped
Include：The second data-signal that first equipment is sent is received, second data-signal modulates what is obtained by the second data；Root
According to second data-signal, the channel quality indication (CQI) information is calculated；The channel quality indication (CQI) information is sent to described
First equipment.
In embodiments of the present invention, it is described according to second data-signal, the channel quality indication (CQI) information is calculated, is wrapped
Include：Second data-signal is parsed, obtains the channel quality performance parameter of the present channel；By the channel quality performance
Parameter obtains the channel quality indication (CQI) information compared with preset threshold thresholding.
In embodiments of the present invention, it is described that the channel quality indication (CQI) information is sent to first equipment, including：When
When the channel quality indication (CQI) information shows that the channel quality of the present channel is in critical condition, the channel quality is referred to
Show that information is sent to first equipment.
The third aspect, the embodiment of the present invention provide a kind of equipment, including：Obtaining unit, for obtaining channel quality instruction
Information, the channel quality indication (CQI) information are used for the channel quality for characterizing present channel；Determining unit, for determining the channel
Data duplication number N corresponding to quality indication (CQI) information, N are the integer more than or equal to 0；Copied cells, for by initial data
N parts are replicated, obtain N part data trnascriptions；First transmitting element, for N parts data trnascription and the initial data to be sent out
Give the second equipment.
In embodiments of the present invention, the obtaining unit, specifically for receiving the first data from second equipment
Signal, first data-signal are modulated to obtain by the first data；According to first data-signal, the channel is calculated
Quality indication (CQI) information.
In embodiments of the present invention, the obtaining unit, specifically for the second data are modulated into the second data-signal, institute
It is that the second equipment calculates the channel quality indication (CQI) information to state the second data-signal to be used for instruction；It is additionally operable to receive from described the
The channel quality indication (CQI) information of two equipment；First transmitting element, for sending second data-signal to described
Second equipment.
In embodiments of the present invention, first transmitting element, it is additionally operable to sending second data-signal to described
Before second equipment, the channel quality performance parameter of the present channel is inserted in the data frame of second data-signal,
Second data-signal is used to indicate that the second equipment calculates the channel quality according to the channel quality performance parameter and indicated
Information.
In embodiments of the present invention, the obtaining unit, specifically for receiving the channel from second equipment
Quality indication (CQI) information, the channel quality that the channel quality indication (CQI) information is used to characterize the present channel are in critical condition.
Fourth aspect, the embodiment of the present invention provide a kind of equipment, including：Receiving unit, sent for receiving the first equipment
Identical N+1 part data, N is integer more than or equal to 0；Resolution unit, for according to default data duplication number N,
N+1 parts data are parsed, the data duplication number N is that first equipment is true according to channel quality indication (CQI) information
Fixed, the channel quality indication (CQI) information is used for the channel quality for characterizing present channel；When parsing in N+1 parts data
During a data, determine that communication link is normal.
In embodiments of the present invention, the equipment also includes：Second transmitting element, for receiving institute in the receiving unit
Before stating N+1 part data, the first data are modulated into the first data-signal, first data-signal is used to indicate described first
Equipment calculates the channel quality indication (CQI) information；First data-signal is sent to first equipment.
In embodiments of the present invention, the equipment also includes：Second transmitting element；The receiving unit, it is additionally operable to connecing
Before receiving N+1 parts data, the second data-signal that first equipment is sent is received, second data-signal is by second
Data modulate what is obtained；The resolution unit, for according to second data-signal, calculating the channel quality instruction letter
Breath；Second transmitting element, for the channel quality indication (CQI) information to be sent into first equipment.
In embodiments of the present invention, the resolution unit, specifically for parsing second data-signal, described work as is obtained
The channel quality performance parameter of preceding channel；According to the channel quality performance parameter, the channel quality indication (CQI) information is calculated.
In embodiments of the present invention, second transmitting element, specifically for showing when the channel quality indication (CQI) information
When the channel quality of the present channel is in critical condition, the channel quality indication (CQI) information is sent to described first and set
It is standby.
5th aspect, the embodiment of the present invention provide a kind of equipment, including：First processor, refer to for obtaining channel quality
Show information, the channel quality indication (CQI) information is used for the channel quality for characterizing present channel；Determine the channel quality instruction letter
Data duplication number N corresponding to breath, N are the integer more than or equal to 0；Initial data is replicated into N parts, obtains N part data trnascriptions；
Transmitter, for N parts data trnascription and the initial data to be sent into the second equipment.
6th aspect, the embodiment of the present invention provide a kind of equipment, including：Receiver, for receiving the transmission of the first equipment
Identical N+1 part data, N are the integer more than or equal to 0；Second processor, for according to default data duplication number N,
N+1 parts data are parsed, the data duplication number N is that first equipment is true according to channel quality indication (CQI) information
Fixed, the channel quality indication (CQI) information is used for the channel quality for characterizing present channel；When parsing in N+1 parts data
During a data, determine that communication link is normal.
The embodiment of the present invention provides a kind of data transmission method and equipment, and the first equipment is according to the channel matter of present channel
Amount, it is determined that corresponding data duplication number N, that is to say, that the first equipment can adjust number according to the channel quality of present channel
According to number of copies N, then, after initial data is replicated N parts by the first equipment, initial data and N parts data trnascription are all sent out
The second equipment is given, so, the second equipment can just receive N+1 part identical data, then, as long as the second equipment can be from
Wherein correctly parse a data, it becomes possible to determine that communication link is normal, keep itself data between the first equipment to pass
Transmission link connects, and lifts the stability of data transmission link.
Brief description of the drawings
Fig. 1 is the method flow schematic diagram that the first equipment in the embodiment of the present invention one carries out data transmission；
Fig. 2 is the method flow schematic diagram that the second equipment in the embodiment of the present invention three carries out data transmission；
Fig. 3 is the structural representation of the equipment in the embodiment of the present invention eight；
Fig. 4 is the structural representation of the equipment in the embodiment of the present invention nine；
Fig. 5 is the structural representation of the equipment in the embodiment of the present invention ten；
Fig. 6 is the structural representation of the equipment in the embodiment of the present invention 11.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Embodiment one：
The present embodiment provides a kind of method of data transfer, and this method is applied to the first equipment, and the first equipment can be with the
Two equipment communications.
In actual applications, in different communication systems, above-mentioned first equipment is different equipment, for example, in satellite
Communication system, first equipment can be that master device or terminal-station apparatus are standby；In microwave telecommunication system, first equipment can be
Microwave website；In a wireless communication system, first equipment can be base station；Correspondingly, the second equipment can also be different logical
The network equipment in letter system, for example, in satellite communication system, when the first equipment is master device, the second equipment can be with
It is standby for terminal-station apparatus, when the first equipment be terminal-station apparatus for when, the second equipment can be master device；In microwave telecommunication system, the
One equipment and the second equipment can be any two microwave website in system；In a wireless communication system, the first equipment and second
Equipment can be any two base station in system.
Certainly, when above-mentioned first equipment or the second equipment are network side equipment, another equipment in both can be
User equipment (UE, User Equipment)；Or first equipment and the second equipment can also be UE simultaneously, the present invention is implemented
Example is not specifically limited.
Fig. 1 is the method flow schematic diagram that the first equipment in the embodiment of the present invention one carries out data transmission, such as Fig. 1 institutes
Show, this method includes：
S101：Obtain channel quality indication (CQI) information；
Here, above-mentioned channel quality indication (CQI) information is used for the channel quality for characterizing present channel.
It is to be appreciated that during being communicated with the second equipment when the first equipment, the first equipment can with and be not limited to
Channel quality indication (CQI) information is obtained by following several ways.
First way, the first equipment receive the first data-signal from the second equipment；According to the first data-signal, meter
Calculate channel quality indication (CQI) information.
It is to be appreciated that the first data are modulated into the first data-signal by the second equipment, then, the first data-signal is sent out
The first equipment is given, the first equipment is after the first data-signal is received, according to the biography of the first data-signal in the current channel
Defeated situation, calculate the channel quality indication (CQI) information of present channel.Now, channel quality indication (CQI) information can be to characterize present channel
The channel quality performance parameter of quality, for example, signal to noise ratio (SNR, Signal-Noise Ratio), Signal to Interference plus Noise Ratio
(SINR, Signal to Interference plus Noise Ratio), signal-noise and distortion ratio (SNDR, Signal
To Noise and Distortion Ratio) etc., it is, of course, also possible to be other parameters, as long as present channel can be characterized
Channel quality, the embodiment of the present invention are not specifically limited.
The second way, the second data are modulated into the second data-signal by the first equipment, and the second data-signal is sent
To the second equipment；Receive the channel quality indication (CQI) information from the second equipment；
It is to be appreciated that the second data are modulated into the second data-signal by the first equipment, and are sent to the second equipment, second
After equipment receives the second data-signal, according to the transmission situation of the second data-signal in the current channel, calculate and obtain currently
The channel quality indication (CQI) information of channel, now, channel quality indication (CQI) information still can be the channel matter for characterizing present channel quality
Performance parameter, such as SNR, SINR are measured, and the channel quality indication (CQI) information is sent to the first equipment.
The third mode, after the second data are modulated into the second data-signal by the first equipment, by the channel of present channel
Quality performance parameter is inserted in the data frame of the second data-signal；Second data-signal of inserting channel quality performance parameter is sent out
Give the second equipment.
It is to be appreciated that the first equipment can voluntarily measure to obtain channel quality performance parameter, such as SNR, SINR, then
The channel quality performance parameter is inserted to frame header position, postamble position or the frame interposition of the data frame of the second data-signal
Put, then issue the second equipment.Second equipment parses second data-signal after the second data-signal is received, and obtains above-mentioned
Channel quality performance parameter, then, according to channel quality performance parameter, channel quality indication (CQI) information is obtained, for example, by channel matter
Performance parameter is measured compared with preset threshold thresholding, obtains channel quality indication (CQI) information, now, channel quality indication (CQI) information can
Think the status information of instruction present channel quality.
Certainly, in actual applications, channel quality indication (CQI) information, this hair can also be achieved other ways in the first equipment
Bright embodiment is not specifically limited.
It should be noted that above-mentioned channel quality indication (CQI) information, which is the data frame for inserting the second data-signal, is sent to first
Equipment.For example, channel quality indication (CQI) information may be inserted into the frame header position of data frame, postamble position or frame centre position.
S102：Determine data duplication number N corresponding to channel quality indication (CQI) information；
Here, N is the integer more than or equal to 0.
In specific implementation process, agreement has channel quality indication (CQI) information to be answered with data between the first equipment and the second equipment
Number N processed corresponding relation, wherein, the channel quality of present channel is poorer, and data duplication number N value is bigger, and current
The channel quality of channel is better, and data duplication number N is smaller, and even 0.First equipment obtain channel quality indication (CQI) information it
Afterwards, can be according to above-mentioned corresponding relation, it is determined that corresponding data duplication number N.
For example, channel quality indication (CQI) information can be SNR, then, above-mentioned corresponding relation can be with the shape of mapping table
Formula is stored in the first equipment and the second equipment, then, as shown in table 1.
| SNR(dB) | N |
| -30 | 6 |
| -20 | 5 |
| -10 | 4 |
| 0 | 3 |
| 10 | 2 |
| 20 | 1 |
| 30 | 0 |
Table 1
In an alternative embodiment of the invention, above-mentioned channel quality indication (CQI) information and data duplication number N corresponding relation is also
Can be to be obtained by below equation (1).
Wherein, S is channel quality indication (CQI) information, and N is the integer more than or equal to 0.
Certainly, in actual applications, N value can also have other situations, as long as being able to ensure that communication link can be just
Often connection, the present invention are not specifically limited.
S103：Initial data is replicated into N parts, obtains N part data trnascriptions；
It is to be appreciated that the first equipment is after data duplication number N is determined by S102, by initial data, that is,
Need to be sent to data duplication N parts of the second equipment, generate N part data trnascriptions.For example by upper table 1, N=3 is determined, now,
3 parts of data duplication is generated 3 parts of data trnascriptions by the first equipment, and along with initial data in itself, symbiosis is into 4 parts of identical data.
S104：N parts data trnascription and initial data are sent to the second equipment.
Here, this N+1 part data is modulated into transmission signal and is sent to the second equipment by the first equipment.
In an alternative embodiment of the invention, above-mentioned channel quality indication (CQI) information can with data duplication number N corresponding relation
To be stored respectively in the first equipment and the second equipment, the first equipment can also be only stored in.So, when above-mentioned corresponding relation is only deposited
When being stored in the first equipment, data duplication number N carryings can be sent to second in the data frame of N part data and set by the first equipment
It is standby, for example, data duplication number N may be inserted into the frame header position of data frame, postamble position or frame centre position.
From the foregoing, in the present embodiment, the first equipment is according to the channel quality of present channel, it is determined that corresponding data
Number of copies N, it is, the first equipment can adjust data duplication number N according to the channel quality of present channel, then, the
N parts data trnascription and initial data are all sent to the second equipment by one equipment in itself by after data duplication N parts, so, the
Two equipment are after these data are received, as long as a data therefrom can be parsed correctly, it becomes possible to normally set with first
Standby communication, keep itself data transmission link between the first equipment to be connected, lift the stability of data transmission link.
Embodiment two：
On the basis of above-described embodiment one, in the case where channel quality is in critical condition, in order to ensure that data pass
Transmission link connects, and improves stability.So, S101 can include：Second data are modulated into the second data-signal, and send the
Two data-signals give the second equipment；Receive the channel quality indication (CQI) information from the second equipment, here, channel quality indication (CQI) information
Channel quality for characterizing present channel is in critical condition.
It is to be appreciated that the second data are modulated into the second data-signal by the first equipment, and are sent to the second equipment, second
After equipment receives the second data-signal, the channel quality performance parameter for obtaining present channel is calculated according to the second data-signal,
Such as SNR, SINR, the channel quality that the channel quality performance parameter that ought be calculated shows present channel is in critical condition
When, the second equipment generation channel quality indication (CQI) information, such as status information of instruction present channel quality, then, the second equipment
The channel quality indication (CQI) information is sent to the first equipment.
It should be noted that the second equipment can be compared the channel quality performance parameter calculated with pre-determined threshold
Compared with when channel quality performance parameter is less than pre-determined threshold, then showing that the channel quality of present channel is in critical condition, instead
It, then show that the channel quality of present channel is in non-critical state.Above-mentioned pre-determined threshold is empirical value, those skilled in the art
Can be according to sets itself be actually needed, the embodiment of the present invention is not specifically limited.
Correspondingly, before S102, the channel of present channel can be appointed between the first equipment and the second equipment in advance
Quality is in data duplication number N during critical condition, when the channel quality of present channel is in critical condition, the first equipment
After receiving the channel quality indication (CQI) information from the second equipment, it becomes possible to determine data duplication number N.
From the foregoing, in the present embodiment, only when the channel quality of present channel is in critical condition, first sets
The standby channel quality indication (CQI) information that can just receive the transmission of the second equipment, then, by data duplication N parts, and by N part data trnascriptions
And initial data is all sent to the second equipment in itself, so, the second equipment is after these data are received, as long as can
Therefrom correctly parse a data, it becomes possible to normally with the first equipment communication, keep itself data between the first equipment
Transmission link connects, and lifts the stability of data transmission link.
Embodiment three：
Based on same inventive concept, the present embodiment provides a kind of method of data transfer, and this method is applied to the second equipment,
Second equipment can be with the first equipment communication.
In the present embodiment, the second equipment is consistent with the second equipment described in previous embodiment, those skilled in the art
Reference can be made to description of the previous embodiment to the second equipment.
Fig. 2 is the method flow schematic diagram that the second equipment in the embodiment of the present invention three carries out data transmission, such as Fig. 2 institutes
Show, this method includes：
S201：Receive N+1 part data of the first equipment transmission；
Here, N parts data are identical, and N is the integer more than or equal to 0.
In specific implementation process, in order to obtain the channel quality of present channel in real time, before S201, this method may be used also
With including：The first data-signal is sent to the first equipment；
Here, the first data-signal is used to indicate that the first equipment calculates channel quality indication (CQI) information.
It is to be appreciated that the first data are modulated into the first data-signal by the second equipment, and are sent to the first equipment, first
Equipment is after the first data-signal is received, and according to the transmission situation of the first data-signal in the current channel, calculating is worked as
The channel quality indication (CQI) information of preceding channel.Now, channel quality indication (CQI) information can be the channel matter for characterizing present channel quality
Performance parameter is measured, for example, SNR, SINR, SNDR etc., it is, of course, also possible to be other parameters, as long as present channel can be characterized
Channel quality, the embodiment of the present invention are not specifically limited.
In an alternative embodiment of the invention, channel quality indication (CQI) information can also be sent to the first equipment by the second equipment,
So, before S201, this method also includes：Receive the second data-signal that the first equipment is sent；According to the second data-signal,
Calculate channel quality indication (CQI) information；Channel quality indication (CQI) information is sent to the first equipment.
It is to be appreciated that the second data are modulated into the second data-signal by the first equipment, and are sent to the second equipment, second
After equipment receives the second data-signal, according to the transmission situation of the second data-signal in the current channel, present channel is calculated
Channel quality indication (CQI) information, such as SNR, SINR, and the channel quality indication (CQI) information is sent to the first equipment.
In an alternative embodiment of the invention, the second equipment is after the second data-signal for sending of the first equipment is received, on
The method of stating can also include：The second data-signal is parsed, obtains the channel quality performance parameter of present channel；By channel quality
Energy parameter obtains channel quality indication (CQI) information compared with preset threshold thresholding；
It is to be appreciated that the second equipment, after the second data-signal is received, parsing obtains the data of the second data-signal
The channel quality performance parameter inserted in frame, it is then, raw by the channel quality performance parameter compared with preset threshold thresholding
Into channel quality indication (CQI) information, when channel quality performance parameter is less than pre-determined threshold, then channel quality indication (CQI) information shows to work as
The channel quality of preceding channel is in critical condition, conversely, then channel quality indication (CQI) information shows at the channel quality of present channel
In non-critical state.
In actual applications, above-mentioned pre-determined threshold is empirical value, and those skilled in the art can voluntarily set according to being actually needed
Fixed, the embodiment of the present invention is not specifically limited.
S202：According to default data duplication number N, N+1 part data are parsed；
Here, data duplication number N is what the first equipment determined according to channel quality indication (CQI) information, and channel quality instruction is believed
Cease the channel quality for characterizing present channel.
Here, the second equipment is after N part data are received, according to the data duplication part appointed in advance with the first equipment
N+1 part data are parsed by number N.
S203：When parsing a data in N+1 part data, determine that communication link is normal.
Here, the second equipment parses to N+1 part identical data, as long as a data can be parsed normally,
It just can determine that communication link is normal.
From the foregoing, in the present embodiment, because the second equipment receives more parts of identical data, so, as long as energy
It is enough therefrom correctly to parse a data, it becomes possible to normally with the first equipment communication, to keep itself number between the first equipment
Connected according to transmission link, lift the stability of data transmission link.
Example IV：
On the basis of above-described embodiment three, in the case where channel quality is in critical condition, in order to ensure that data pass
Transmission link connects, and improves stability.So, can include before S201：Receive the second data-signal that the first equipment is sent；
According to the second data-signal, channel quality indication (CQI) information is calculated；When channel quality indication (CQI) information shows the channel matter of present channel
When amount is in critical condition, channel quality indication (CQI) information is sent to the first equipment.
It is to be appreciated that the second data are modulated into the second data-signal by the first equipment, and send the second data-signal to
Second equipment, then, after the second equipment receives the second data-signal, according to the transmission of the second data-signal in the current channel
Situation, channel quality indication (CQI) information is calculated, now, channel quality indication (CQI) information can be that the channel quality performance of present channel is joined
Number, such as SNR, SINR, SNDR, then, when channel quality indication (CQI) information shows that the channel quality of present channel is in critical shape
During state, channel quality indication (CQI) information is sent to the first equipment by the second equipment.
It should be noted that the second equipment can be compared the channel quality performance parameter calculated with pre-determined threshold
Compared with when channel quality performance parameter is less than pre-determined threshold, then showing that the channel quality of present channel is in critical condition, instead
It, then show that the channel quality of present channel is in non-critical state.Above-mentioned pre-determined threshold is empirical value, those skilled in the art
Can be according to sets itself be actually needed, the embodiment of the present invention is not specifically limited.
From the foregoing, in the present embodiment, only when the channel quality of present channel is in critical condition, first sets
The standby channel quality indication (CQI) information that can just receive the transmission of the second equipment, then, by data duplication N parts, and by N part data trnascriptions
And initial data is all sent to the second equipment in itself, so, the second equipment is after these data are received, as long as can
Therefrom correctly parse a data, it becomes possible to normally with the first equipment communication, keep itself data between the first equipment
Transmission link connects, and lifts the stability of data transmission link.
Embodiment five：
On the basis of above-described embodiment one to four, by taking satellite communication system as an example, the first equipment is master device, the
Two equipment are that terminal-station apparatus is standby.
So, in the downlink, first, master device hair data are standby to terminal-station apparatus, and terminal-station apparatus is standby to be parsed from data
Go out the SINR of the frame header position insertion of data frame, so as to judge whether SINR is critical, and the result that will determine that feeds back to main website and set
It is standby；Second step, when the result that terminal-station apparatus preparation is sent be shown to be SINR it is critical when, initial data that master device will be sent according to
The data duplication number N pre-set, N parts are replicated, obtain N part data trnascriptions；3rd step, master device is by N part data trnascriptions
And initial data is sent, wherein, value of the frame header position inserted with N of the data frame of transmission N+1 part data；4th
Step, the standby parsing of terminal-station apparatus obtains data duplication number N, so that it is determined that the number of master device replicate data；5th step, terminal-station apparatus
It is standby to parse this N+1 part data, as long as and can normally parse a data, it becomes possible to it is determined that communication is normal, that is, it is descending
Link is normal.
In the uplink, first, terminal-station apparatus preparation data parse data to master device, master device from data
The SINR of the frame header position insertion of frame, so as to judge whether SINR is critical, and to feed back to terminal-station apparatus standby for the result that will determine that；Second
Step, when the result that master device is sent be shown to be SINR it is critical when, the standby initial data that will be sent of terminal-station apparatus according to setting in advance
The data duplication number N put, N parts are replicated, obtain N part data trnascriptions；3rd step, terminal-station apparatus are standby by N parts data trnascription and original
Beginning data are sent, wherein, value of the frame header position inserted with N of the data frame of transmission N+1 part data；4th step, it is main
Station equipment parsing obtains data duplication number N, so that it is determined that number of the terminal-station apparatus for replicate data；5th step, master device solution
This N+1 part data is analysed, as long as and can normally parse a data, it becomes possible to it is determined that communication is normal, that is, up-link
Normally.
Embodiment six：
On the basis of above-described embodiment one to four, by taking microwave telecommunication system as an example, the first equipment is the first microwave station
Point, the second equipment are the second microwave website.
So, in the downlink, first, the first microwave website hair data give the second microwave website, the second microwave website
The signal to noise ratio of the postamble position insertion of data frame is parsed from data, so as to judge whether signal to noise ratio is critical, and will determine that
As a result the first microwave website is fed back to；Second step, when the second microwave website send result be shown to be signal to noise ratio it is critical when, first
The initial data that microwave website will be sent replicates N parts, obtains N part data pairs according to the data duplication number N pre-set
This；3rd step, the first microwave website send N parts data trnascription and initial data, wherein, send N+1 part data
Data frame value of the postamble position inserted with N；4th step, the parsing of the second microwave website obtain data duplication number N, so as to
Determine the number of the first microwave website replicate data；5th step, the second microwave website parses this N+1 part data, as long as and energy
Normally parse a data, it becomes possible to which it is determined that communication is normal, that is, downlink is normal.
In the uplink, first, the second microwave website hair data give the first microwave website, and the first microwave website is from data
In parse data frame postamble position insertion signal to noise ratio, so as to judge whether signal to noise ratio critical, and the result that will determine that is anti-
Feed the second microwave website；Second step, when the first microwave website send result be shown to be signal to noise ratio it is critical when, the second microwave station
The initial data that point will be sent replicates N parts, obtains N part data trnascriptions according to the data duplication number N pre-set；3rd
Step, the second microwave website send N parts data trnascription and initial data, wherein, the data frame of transmission N+1 part data
Value of the postamble position inserted with N；4th step, the parsing of the first microwave website obtains data duplication number N, so that it is determined that second
The number of microwave website replicate data；5th step, the first microwave website parses this N+1 part data, as long as and can normally parse
Go out a data, it becomes possible to which it is determined that communication is normal, that is, up-link is normal.
Embodiment seven：
On the basis of above-described embodiment one to four, by taking wireless communication system as an example, the first equipment is any one base
Stand A, and the second equipment is any another base station B.
So, in the downlink, first, base station A hairs data give base station B, base station B to parse data frame from data
The SNDR of frame centre position insertion, so as to judge whether SNDR is critical, and the result that will determine that feeds back to base station A；Second step, when
Base station B send result be shown to be SNDR it is critical when, the initial data that base station A will be sent is according to the data duplication pre-set
Number N, N parts are replicated, obtain N part data trnascriptions；3rd step, base station A send out N parts data trnascription and initial data
Go, wherein, value of the data frame centre position inserted with N of transmission N+1 part data；4th step, base station B parsings obtain data and answered
Number N processed, so that it is determined that the number of base station A replicate datas；5th step, base station B parses this N+1 part data, as long as and can be just
Often parse a data, it becomes possible to which it is determined that communication is normal, that is, downlink is normal.
In the uplink, first, base station B hairs data give base station A, base station A to be parsed from data in the frame of data frame
Between position insert SNDR, so as to judge whether SNDR critical, and the result that will determine that feeds back to base station B；Second step, work as base station
A send result be shown to be SNDR it is critical when, the initial data that base station B will be sent is according to the data duplication number pre-set
N, N parts are replicated, obtain N part data trnascriptions；3rd step, base station B send N parts data trnascription and initial data, its
In, value of the frame centre position inserted with N of the data frame of transmission N+1 part data；4th step, base station A parsings obtain data and answered
Number N processed, so that it is determined that the number of base station B replicate datas；5th step, base station A parses this N+1 part data, as long as and can be just
Often parse a data, it becomes possible to which it is determined that communication is normal, that is, up-link is normal.
Embodiment eight：
Based on same inventive concept, the present embodiment provides a kind of equipment, described in the equipment and above-described embodiment one to seven
The first equipment it is consistent.
Fig. 3 is the structural representation of the equipment in the embodiment of the present invention eight, as shown in figure 3, the equipment includes：Obtaining unit
31, for obtaining channel quality indication (CQI) information, channel quality indication (CQI) information is used for the channel quality for characterizing present channel；It is it is determined that single
Member 32, for determining that data duplication number N corresponding to channel quality indication (CQI) information, N are the integer more than or equal to 0；Replicate single
Member 33, for by data duplication N parts, obtaining N part data trnascriptions；First transmitting element 34, for by N parts data trnascription with
And the initial data is sent to the second equipment.
In embodiments of the present invention, obtaining unit 31, specifically for receiving the first data-signal from the second equipment, institute
The first data-signal is stated to modulate to obtain by the first data；According to the first data-signal, channel quality indication (CQI) information is calculated.
In embodiments of the present invention, obtaining unit 31, specifically for the second data are modulated into the second data-signal, second
It is that the second equipment calculates channel quality indication (CQI) information that data-signal, which is used for instruction,；Receive the channel quality instruction from the second equipment
Information；It is additionally operable to receive the channel quality indication (CQI) information from second equipment；The transmitting element, for sending
The second data-signal is stated to the second equipment.
In embodiments of the present invention, the first transmitting element 34, be additionally operable to send the second data-signal to the second equipment it
Before, the channel quality performance parameter of present channel is inserted in the data frame of the second data-signal, the second data-signal is used to refer to
Show that the second equipment calculates channel quality indication (CQI) information according to channel quality performance parameter.
In embodiments of the present invention, obtaining unit 31, letter is indicated specifically for receiving the channel quality from the second equipment
Breath, the channel quality that channel quality indication (CQI) information is used to characterize present channel are in critical condition.
It need to be noted that be：The description of above apparatus embodiments, the description with above method embodiment be it is similar,
With the similar beneficial effect of same embodiment of the method, therefore do not repeat.For the skill not disclosed in present device embodiment
Art details, it refer to the description of the inventive method embodiment and understand, to save length, therefore repeat no more.
Embodiment nine：
Based on same inventive concept, the present embodiment provides a kind of equipment, described in the equipment and above-described embodiment one to seven
The second equipment it is consistent.
Fig. 4 is the structural representation of the equipment in the embodiment of the present invention nine, as shown in figure 4, the equipment includes：Receiving unit
41, the identical N+1 part data sent for receiving the first equipment, N is the integer more than or equal to 0；Resolution unit 42, is used for
According to default data duplication number N, N+1 part data are parsed, data duplication number N is the first equipment according to channel matter
What amount instruction information determined, channel quality indication (CQI) information is used for the channel quality for characterizing present channel；When parsing N+1 part data
In a data when, determine that communication link is normal.
In embodiments of the present invention, equipment also includes：Second transmitting element, for receiving N+1 numbers in receiving unit 41
According to before, the first data are modulated into the first data-signal, the first data-signal is used to indicate that the first equipment calculates channel quality
Configured information；The first data-signal is sent to the first equipment.
In embodiments of the present invention, equipment also includes：Second transmitting element；
Correspondingly, receiving unit 41, it is additionally operable to before N+1 part data are received, receives the second number that the first equipment is sent
It is believed that number, the second data-signal modulates what is obtained by the second data；Resolution unit 42, it is additionally operable to according to the second data-signal, meter
Calculate channel quality indication (CQI) information；Second transmitting element, for channel quality indication (CQI) information to be sent into the first equipment.
In embodiments of the present invention, resolution unit 42, specifically for parsing the second data-signal, the letter of present channel is obtained
Road quality performance parameter；By channel quality performance parameter compared with preset threshold thresholding, channel quality indication (CQI) information is obtained.
In embodiments of the present invention, the second transmitting element, specifically for showing present channel when channel quality indication (CQI) information
Channel quality when being in critical condition, channel quality indication (CQI) information is sent to the first equipment.
It need to be noted that be：The description of above apparatus embodiments, the description with above method embodiment be it is similar,
With the similar beneficial effect of same embodiment of the method, therefore do not repeat.For the skill not disclosed in present device embodiment
Art details, it refer to the description of the inventive method embodiment and understand, to save length, therefore repeat no more.
Embodiment ten：
Based on previous embodiment, the present embodiment provides a kind of equipment, with the first equipment one in above-described embodiment one to nine
Cause.
Shown in Figure 5, the equipment includes：First processor 51, for obtaining channel quality indication (CQI) information, channel quality
Configured information is used for the channel quality for characterizing present channel；Determine data duplication number N, N corresponding to channel quality indication (CQI) information
For the integer more than or equal to 0；Initial data is replicated into N parts, obtains N part data trnascriptions；Transmitter 52, for by N part data
Copy and initial data are sent to the second equipment.
In actual applications, above-mentioned first processor can be application-specific IC (ASIC), Digital Signal Processing
Device (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), in
At least one of central processor (CPU), controller, microcontroller, microprocessor；Above-mentioned transmitter can be radio frequency (RFID,
Radio Frequency Identification) antenna.It is to be appreciated that for different communication systems, above-mentioned is realized
The electronic device of the function of one processor 51 and transmitter 52 can also be other, and the embodiment of the present invention is not specifically limited.
In embodiments of the present invention, the said equipment also includes：Receiver, refer to for obtaining channel quality in first processor
Before showing information, the first data-signal from the second equipment is received, the first data-signal is modulated to obtain by the first data；
Correspondingly, first processor, specifically for according to the first data-signal, calculating channel quality indication (CQI) information.
In embodiments of the present invention, first processor, it is additionally operable to before channel quality indication (CQI) information is obtained, by the second number
According to the second data-signal is modulated into, it is that the second equipment calculates channel quality indication (CQI) information that the second data-signal, which is used for instruction,；Also use
In channel quality indication (CQI) information of the reception from the second equipment；Correspondingly, transmitter, for sending the second data-signal to second
Equipment.
In embodiments of the present invention, transmitter, it is additionally operable to before the second data-signal is sent to the second equipment, will be current
The channel quality performance parameter of channel is inserted in the data frame of the second data-signal, and the second data-signal is used to indicate the second equipment
Channel quality indication (CQI) information is calculated according to channel quality performance parameter.
In embodiments of the present invention, the said equipment also includes：Receiver, for receiving the channel quality from the second equipment
Configured information, the channel quality that channel quality indication (CQI) information is used to characterize present channel are in critical condition.
Set and can also set up separately it should be noted that above-mentioned transmitters and receivers can physically close, the present invention is implemented
Example is not specifically limited.
It need to be noted that be：The description of above apparatus embodiments, the description with above method embodiment be it is similar,
With the similar beneficial effect of same embodiment of the method, therefore do not repeat.For the skill not disclosed in present device embodiment
Art details, it refer to the description of the inventive method embodiment and understand, to save length, therefore repeat no more.
Embodiment 11：
Based on previous embodiment, the present embodiment provides a kind of equipment, with the second equipment one in above-described embodiment one to nine
Cause.
Shown in Figure 6, the equipment includes：Receiver 61, the identical N+1 numbers sent for receiving the first equipment
According to N is the integer more than or equal to 0；Second processor 62, for according to default data duplication number N, to N+1 part data
Parsed, data duplication number N is what the first equipment determined according to channel quality indication (CQI) information, and channel quality indication (CQI) information is used
In the channel quality for characterizing present channel；When parsing a data in N+1 part data, determine that communication link is normal.
In actual applications, above-mentioned second processor can be ASIC, DSP, it is DSPD, PLD, FPGA, CPU, controller, micro-
At least one of controller, microprocessor；Above-mentioned receiver can be RFID antenna.It is to be appreciated that lead to for different
Letter system, realize that the electronic device of above-mentioned second processor and the function of receiver can also be other, the embodiment of the present invention is not
It is specifically limited.
In embodiments of the present invention, the said equipment also includes：Transmitter；
Correspondingly, second processor, for before receiver receives N+1 part data, the first data to be modulated into first
Data-signal, the first data-signal are used to indicate that the first equipment calculates channel quality indication (CQI) information；Transmitter, for being set to first
Preparation send the first data-signal.
In embodiments of the present invention, the said equipment also includes：Transmitter；
Correspondingly, receiver, it is additionally operable to before N+1 part data are received, receives the second data letter that the first equipment is sent
Number, the second data-signal modulates what is obtained by the second data；Second processor, for according to the second data-signal, calculating channel
Quality indication (CQI) information；Transmitter, for channel quality indication (CQI) information to be sent into the first equipment.
In embodiments of the present invention, second processor, specifically for parsing the second data-signal, the letter of present channel is obtained
Road quality performance parameter；According to channel quality performance parameter, channel quality indication (CQI) information is calculated.
In embodiments of the present invention, above-mentioned transmitter, specifically for showing present channel when channel quality indication (CQI) information
When channel quality is in critical condition, channel quality indication (CQI) information is sent to the first equipment.
Set and can also set up separately it should be noted that above-mentioned transmitters and receivers can physically close, the present invention is implemented
Example is not specifically limited.
It need to be noted that be：The description of above apparatus embodiments, the description with above method embodiment be it is similar,
With the similar beneficial effect of same embodiment of the method, therefore do not repeat.For the skill not disclosed in present device embodiment
Art details, it refer to the description of the inventive method embodiment and understand, to save length, therefore repeat no more.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is relevant with embodiment
During special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " identical embodiment is not necessarily referred to.In addition, these specific feature, knots
Structure or characteristic can combine in one or more embodiments in any suitable manner.It should be understood that in the various implementations of the present invention
In example, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be with its work(
It can be determined with internal logic, the implementation process without tackling the embodiment of the present invention forms any restriction.The embodiments of the present invention
Sequence number is for illustration only, does not represent the quality of embodiment.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function, there can be other dividing mode when actually realizing, such as：Multiple units or component can combine, or
Another system is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location；Both a place can be located at, multiple network lists can also be distributed to
In member；Partly or entirely unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
To be each unit individually as a unit, can also two or more units it is integrated in a unit；It is above-mentioned
Integrated unit can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists
During execution, execution the step of including above method embodiment；And foregoing storage medium includes：Movable storage device, read-only deposit
Reservoir (Read Only Memory, ROM), magnetic disc or CD etc. are various can be with the medium of store program codes.
Or if the above-mentioned integrated unit of the present invention is realized in the form of software function module and is used as independent product
Sale in use, can also be stored in a computer read/write memory medium.Based on such understanding, the present invention is implemented
The part that the technical scheme of example substantially contributes to prior art in other words can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are causing a computer equipment (can be with
It is personal computer, server or network equipment etc.) perform all or part of each embodiment methods described of the present invention.
And foregoing storage medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (22)
- A kind of 1. data transmission method, it is characterised in that including：Channel quality indication (CQI) information is obtained, the channel quality indication (CQI) information is used for the channel quality for characterizing present channel；It is the integer more than or equal to 0 to determine data duplication number N corresponding to the channel quality indication (CQI) information, N；Initial data is replicated into N parts, obtains N part data trnascriptions；N parts data trnascription and the initial data are sent to the second equipment.
- 2. according to the method for claim 1, it is characterised in that the acquisition channel quality indication (CQI) information, including：The first data-signal from second equipment is received, first data-signal is to modulate to obtain by the first data 's；According to first data-signal, the channel quality indication (CQI) information is calculated.
- 3. according to the method for claim 1, it is characterised in that the acquisition channel quality indication (CQI) information, including：Second data are modulated into the second data-signal, and send second data-signal to second equipment, wherein, institute State the second data-signal be used for indicate the second equipment calculating channel quality indication (CQI) information；Receive the channel quality indication (CQI) information from second equipment.
- 4. according to the method for claim 3, it is characterised in that send second data-signal to described second described Before equipment, institute's method also includes：The channel quality performance parameter of the present channel is inserted in the data frame of second data-signal, second number It is believed that number being used to indicate that the second equipment calculates the channel quality indication (CQI) information according to the channel quality performance parameter.
- 5. according to the method for claim 3, it is characterised in that the channel matter of the reception from second equipment Amount instruction information, including：The channel quality indication (CQI) information from second equipment is received, the channel quality indication (CQI) information is used to characterize institute The channel quality for stating present channel is in critical condition.
- A kind of 6. data transmission method, it is characterised in that including：Identical N+1 part data of the first equipment transmission are received, N is the integer more than or equal to 0；According to default data duplication number N, N+1 parts data are parsed, the data duplication number N is described the One equipment determines that the channel quality indication (CQI) information is used for the channel matter for characterizing present channel according to channel quality indication (CQI) information Amount；When parsing a data in N+1 parts data, determine that communication link is normal.
- 7. according to the method for claim 6, it is characterised in that before N part data that the first equipment of the reception is sent, Methods described also includes：First data are modulated into the first data-signal, first data-signal is used to indicate described in the first equipment calculating Channel quality indication (CQI) information；First data-signal is sent to first equipment.
- 8. according to the method for claim 6, it is characterised in that it is described reception the first equipment send N+1 parts data it Before, methods described also includes：The second data-signal that first equipment is sent is received, second data-signal modulates what is obtained by the second data；According to second data-signal, the channel quality indication (CQI) information is calculated；The channel quality indication (CQI) information is sent to first equipment.
- 9. according to the method for claim 8, it is characterised in that it is described according to second data-signal, calculate the letter Road quality indication (CQI) information, including：Second data-signal is parsed, obtains the channel quality performance parameter of the present channel；By the channel quality performance parameter compared with preset threshold thresholding, the channel quality indication (CQI) information is obtained.
- 10. according to the method for claim 8, it is characterised in that described that the channel quality indication (CQI) information is sent to institute The first equipment is stated, including：When the channel quality indication (CQI) information shows that the channel quality of the present channel is in critical condition, by the channel Quality indication (CQI) information is sent to first equipment.
- A kind of 11. equipment, it is characterised in that including：Obtaining unit, for obtaining channel quality indication (CQI) information, the channel quality indication (CQI) information is used to characterize present channel Channel quality；Determining unit, for determining that data duplication number N corresponding to the channel quality indication (CQI) information, N are more than or equal to 0 Integer；Copied cells, for initial data to be replicated into N parts, obtain N part data trnascriptions；First transmitting element, for N parts data trnascription and the initial data to be sent into the second equipment.
- 12. equipment according to claim 11, it is characterised in that the obtaining unit, specifically for receiving from described First data-signal of the second equipment, first data-signal are modulated to obtain by the first data；According to the described first number It is believed that number, calculate the channel quality indication (CQI) information.
- 13. equipment according to claim 11, it is characterised in that the obtaining unit, specifically for the second data are adjusted The second data-signal is made, it is that the second equipment calculates the channel quality indication (CQI) information that second data-signal, which is used for instruction,； It is additionally operable to receive the channel quality indication (CQI) information from second equipment；First transmitting element, for sending second data-signal to second equipment.
- 14. equipment according to claim 13, it is characterised in that first transmitting element, be additionally operable to described in transmission Second data-signal is given before second equipment, by the channel quality performance parameter insertion of the present channel second number It is believed that number data frame in, second data-signal be used for indicate the second equipment calculated according to the channel quality performance parameter The channel quality indication (CQI) information.
- 15. equipment according to claim 13, it is characterised in that the obtaining unit, specifically for receiving from described The channel quality indication (CQI) information of second equipment, the channel quality indication (CQI) information are used for the channel for characterizing the present channel Quality is in critical condition.
- A kind of 16. equipment, it is characterised in that including：Receiving unit, the identical N+1 part data sent for receiving the first equipment, N are the integer more than or equal to 0；Resolution unit, for according to default data duplication number N, being parsed to N+1 parts data, the data duplication Number N is what first equipment determined according to channel quality indication (CQI) information, and the channel quality indication (CQI) information is used to characterize and worked as The channel quality of preceding channel；When parsing a data in N+1 parts data, determine that communication link is normal.
- 17. equipment according to claim 16, it is characterised in that the equipment also includes：Second transmitting element, for Before the receiving unit receives N+1 parts data, the first data are modulated into the first data-signal, the first data letter Number it is used to indicate that first equipment calculates the channel quality indication (CQI) information；First data are sent to first equipment Signal.
- 18. equipment according to claim 16, it is characterised in that the equipment also includes：Second transmitting element；The receiving unit, it is additionally operable to before N+1 parts data are received, receives the second data that first equipment is sent Signal, second data-signal modulate what is obtained by the second data；The resolution unit, for according to second data-signal, calculating the channel quality indication (CQI) information；Second transmitting element, for the channel quality indication (CQI) information to be sent into first equipment.
- 19. equipment according to claim 18, it is characterised in that the resolution unit, specifically for parsing described second Data-signal, obtain the channel quality performance parameter of the present channel；According to the channel quality performance parameter, described in calculating Channel quality indication (CQI) information.
- 20. equipment according to claim 18, it is characterised in that second transmitting element, specifically for when the letter When road quality indication (CQI) information shows that the channel quality of the present channel is in critical condition, by the channel quality indication (CQI) information It is sent to first equipment.
- A kind of 21. equipment, it is characterised in that including：First processor, for obtaining channel quality indication (CQI) information, the channel quality indication (CQI) information is used to characterize present channel Channel quality；It is the integer more than or equal to 0 to determine data duplication number N corresponding to the channel quality indication (CQI) information, N； Initial data is replicated into N parts, obtains N part data trnascriptions；Transmitter, for N parts data trnascription and the initial data to be sent into the second equipment.
- A kind of 22. equipment, it is characterised in that including：Receiver, the identical N+1 part data sent for receiving the first equipment, N are the integer more than or equal to 0；Second processor, for according to default data duplication number N, being parsed to N+1 parts data, the data are answered Number N processed is what first equipment determined according to channel quality indication (CQI) information, and the channel quality indication (CQI) information is used to characterize The channel quality of present channel；When parsing a data in N+1 parts data, determine that communication link is normal.
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| CN115834259A (en) * | 2023-02-21 | 2023-03-21 | 广东广宇科技发展有限公司 | Safe data transmission method for high-risk communication line |
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