CN109769305A - Method, base station, electronic equipment and the storage medium of dispatch deal - Google Patents
Method, base station, electronic equipment and the storage medium of dispatch deal Download PDFInfo
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Abstract
The embodiment of the present invention provides method, base station, electronic equipment and the storage medium of a kind of dispatch deal.The method includes the business datums that base station receives the repetition n times that terminal is sent, and the N is the initial iterative transfer times of the preparatory instruction terminal in base station；Check results set is obtained, the check results set includes transmitting to the 1st time, preceding 2 transmission, the business datum for 3 times transmitting ... preceding n times transmission is verified, obtained check results, each check results are ranked up according to the timing of business datum, and the check results of n-th are ACK；Determine that the check results first appeared in the check results set are the corresponding serial number M of ACK；If M is less than N, terminal is sent to using M as iterative transfer times adjusted.The method by base station to initial iterative transfer times be provided that it is no rationally track, if the setting of initial iterative transfer times is unreasonable, adjust initial iterative transfer times in real time.
Description
Technical field
The present embodiments relate to a kind of field of communication technology, especially a kind of method of dispatch deal, base station, electronics are set
Standby and storage medium.
Background technique
Currently, LTE (Long Term Evolution, Long Term Evolution) provide the user as 4G mainstream technology
The data transmission service of high speed.In some application scenarios based on LTE technology, for example the smart grid data of electric system are adopted
Collect in scene, base station down transmits acquisition instructions, and for terminal (such as intelligent electric meter) according to acquisition instructions, uplink is collected each
Seed type data.
In practical application, part terminal can be arranged in the place that path loss is big, covering is weak, for example, under well lid, basement etc., base
Stand uplink receiving signal-to-noise ratio it is very low, if terminal use single uplink, the demodulation performance of base station is very low, so uplink service
Channel may need terminal repetition transmission to be just able to satisfy normal performance requirement.
When terminal is using repeating to transmit, if the duplicate number of terminal is excessive, longer transmission time is needed；If
Number of repetition is very few, and may cause base station cannot correctly demodulate the business datum of terminal transmission, so letter of the base station according to terminal
Road condition determines the number of repetition of reasonable uplink, extremely important for the transmission performance of system.
In the prior art, base station is selected according to equivalent SNR (SIGNAL-NOISE RATIO, the signal-to-noise ratio) value that measuring and calculating obtains
The number of repetition of Traffic Channel.
After terminal random access cell, the obtained channel condition of measurement is sent to base station, base station is according to the channel of terminal
Condition, obtains the equivalent SNR of terminal, and base station determines that (Modulation and Coding Scheme is adjusted MCS according to equivalent SNR
System and coding strategy) grade, the number of repetition of terminal uplink transmission is estimated according to MCS, i.e. base station predicts that the terminal needs weight
Business datum several times is sent in recurrence, and base station can correctly demodulate to obtain the business datum.
The mode of the prior art has the following problems:
If the channel condition of terminal is poor, then the accuracy for the equivalent signal-to-noise ratio that base station is calculated is relatively low, then
It is subsequent to select one step also to easily choose mistake from multiple MCS ranks according to signal-to-noise ratio, cause number of repetition to determine
It is unreasonable.
Currently, there are no corresponding methods in the prior art to solve the above problems.
Summary of the invention
In view of the drawbacks of the prior art, the embodiment of the present invention provide the method for dispatch deal a kind of, base station, electronic equipment and
Storage medium.
On the one hand, the embodiment of the present invention provides a kind of method of dispatch deal, which comprises
Base station receives the business datum for the repetition n times that terminal is sent, and the N is the initial repetition of the preparatory instruction terminal in base station
The number of transmissions；
Check results set is obtained, the check results set includes transmitting to the 1st time, and preceding 2 transmission 3 times pass
The business datum of defeated ... preceding n times transmission is verified, obtained check results, each check results according to business datum when
Sequence is ranked up, and the check results of n-th are positive should indeed answer ACK；
Determine that the check results first appeared in the check results set are the corresponding serial number M of ACK；
If judgement knows that M is less than N, terminal is sent to using M as iterative transfer times adjusted.
On the other hand, the embodiment of the present invention provides a kind of base station, and the base station includes:
Receiving module, the business datum of the repetition n times for receiving terminal transmission, the N is the preparatory instruction terminal in base station
Initial iterative transfer times；
Module is obtained, for obtaining check results set, the check results set includes transmitting to the 1st time, preceding 2 biographies
Defeated, the business datum for 3 times transmitting ... preceding n times transmission is verified, and obtained check results, each check results are according to industry
The timing of business data is ranked up, and the check results of n-th are ACK；
Determining module, for determining that the check results first appeared in the check results set are the corresponding serial number of ACK
M；
Sending module, if being sent to terminal for M as iterative transfer times adjusted for judging to know that M is less than N.
On the other hand, the embodiment of the present invention also provides a kind of electronic equipment, including memory, processor, bus and deposits
The computer program that can be run on a memory and on a processor is stored up, the processor is realized when executing described program with top
The step of method.
On the other hand, the embodiment of the present invention also provides a kind of storage medium, is stored thereon with computer program, described program
The step of method as above is realized when being executed by processor.
As shown from the above technical solution, it the method for dispatch deal provided in an embodiment of the present invention, base station, electronic equipment and deposits
Storage media, after the method carries out uplink according to initial iterative transfer times by terminal, base station repeats to transmit to initial
Number be provided that it is no rationally tracked, if the setting of initial iterative transfer times is unreasonable, adjustment in real time is initial to be repeated to pass
Defeated number.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the method for dispatch deal provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram for base station that further embodiment of this invention provides；
Fig. 3 is the structural schematic diagram for a kind of electronic equipment that further embodiment of this invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
Embodiment a part of the embodiment, instead of all the embodiments.
It is preceding by Physical Random Access Channel transmission lead code (Preamble) to base station after terminal random access cell
Leading code includes the channel condition that terminal measurement obtains.
Optionally, base station determines that the initial iterative transfer times of terminal (are denoted as N, N's takes according to the channel condition of terminal
Value range is positive integer), the initial iterative transfer times are used to indicate the number that the repetition of the same business datum of terminal is sent.
It should be noted that the number for repeating to send is the total degree that same business datum is sent, the first of business datum
Secondary transmission is known as the first time for repeating to send, and second of transmission of business datum is known as second that repeats to send, until completing N
It is secondary to repeat to transmit.
Optionally, base station predicts that the terminal needs to repeat to send out according to the channel condition of terminal by the way of the prior art
The number for sending same business datum, as initial iterative transfer times.
Optionally, initial iterative transfer times are sent to terminal by base station, for terminal on reverse link traffic channel according to
Initial iterative transfer times N sends business datum.
Fig. 1 shows a kind of flow diagram of the method for dispatch deal provided in an embodiment of the present invention.
As shown in Figure 1, method provided in an embodiment of the present invention specifically includes the following steps:
Step 11, base station receive the business datum for the repetition n times that terminal is sent, and the N is the preparatory instruction terminal in base station
Initial iterative transfer times；
Optionally, the method for the dispatch deal of the embodiment of the present invention is realized on base station.
Optionally, base station receives the business datum of terminal transmission respectively, for received business datum each time, execute with
Lower operation:
Step 12 obtains check results set, and the check results set includes transmitting to the 1st time, preceding 2 transmission, and preceding 3
The business datum of the secondary preceding n times transmission of transmission ... is verified, and obtained check results, each check results are according to business datum
Timing be ranked up, and the check results of n-th be ACK；
Optionally, the business datum that base station transmits the 1st time demodulates, and demodulation result is obtained, then to demodulation result
CRC (Cyclic Redundancy Check, cyclic redundancy check code) verification is carried out, check results are obtained.
If check results are correctly to be denoted as ACK (Acknowledgement, correct response)；If check results are mistake, note
For NACK (Negative ACK, negative response).
Optionally, terminal is to be continued for sending business datum, until reaching n times, if the business number of the 1st transmission in base station
According to demodulation result is unable to get, then demodulated for the 1st transmission and the 2nd transmission, that is, preceding 2 transmission merging, from
And obtain demodulation result.
Optionally, if judging to know, the check results of n-th as ACK, check results are taken in and are gathered.
Optionally, the check results of n-th are that ACK is believed that the final result of this business datum is correct, then originally
The reliability of secondary business datum is secure.
Optionally, each check results are constituted into set according to the reception timing of corresponding business datum.
If judging to know the check results of n-th as NACK, it is believed that this business datum is unreliable, not by current business number
According to check results take in set.
Step 13 determines that the check results first appeared in the check results set are the corresponding serial number M of ACK；
Optionally, m-th check results indicate this business datum from when repeating for the M times, and base station can demodulate institute for the first time
Business datum is stated, to obtain the ACK for the first time of the n times transmission of this business datum.
If step 14, judgement know that M is less than N, terminal is sent to using M as iterative transfer times adjusted.
Optionally, M is compared with N, the reasonability of tracing detection N setting.
Since N is channel condition of the base station according to terminal, the initial iterative transfer times of terminal, theoretically, base station are determined
Should be when terminal n-th repeat transmission services data, unsuccessful demodulation business datum, N should be in the check results set
The check results first appeared are the corresponding serial number of ACK.
If M is less than N, then it represents that N is arranged unreasonable, and at the M times, base station can demodulate success, then next base station
When carrying out uplink authorization for the terminal, terminal is sent to using M as iterative transfer times adjusted.
For example, the initial number of repetition once transmitted is 8, and base station is checked final after terminating 8 repetitions and transmitting
Check results, for example, the 8th time be ACK, before 3 feedbacks be all NACK, be ACK to the 4th feedback, it is heavy that base station records this
Again number 4, the initial number of repetition for licensing to terminal next time is 4.
If M is equal to N, then it represents that N is arranged reasonable, until base station can demodulate success when n-th, then it is initial to repeat to transmit
Number setting it is reasonable, continue when subsequent upstream authorization and use N.
The method of dispatch deal provided in this embodiment carries out uplink according to initial iterative transfer times by terminal
Afterwards, base station to initial iterative transfer times be provided that it is no rationally track, if the setting of initial iterative transfer times does not conform to
Reason, adjusts initial iterative transfer times in real time.
On the basis of the above embodiments, the method for dispatch deal provided in an embodiment of the present invention, after step 11, institute
State method further include:
If judging to know, the check results of n-th as NACK, adjusted repeat to transmit time using N+step value as described
Number is sent to terminal, and step value is positive integer.
Optionally, the check results of n-th are that NACK is believed that the final check results of this business datum are mistake,
Base station still can not correctly demodulate business datum after indicating terminal transmission n times, then the number of N setting is seldom, then correspondingly
Increase step value.
Optionally, preset times are preset number, can be configured according to the actual situation.
It should be noted that indicating the final verification of this business datum for mistake when the check results of n-th are NACK
Accidentally, then preceding n times have been generally impossible to correct check results, i.e., there can not be ACK, even if there are correct schools for preceding n times
Result ACK is tested, but this is fortuitous phenomena, is ignored in the present embodiment, is subject to the check results of n-th.
Optionally, when base station is that the terminal carries out uplink authorization again, using N+step value as described adjusted heavy
Multiple the number of transmissions is sent to terminal.
Other steps of the present embodiment are similar to previous embodiment step, and this embodiment is not repeated.
The method of dispatch deal provided in this embodiment, still can not be correct by base station after considering terminal transmission n times
Business datum is demodulated, number is correspondingly increased, adjusts initial iterative transfer times in real time to realize.
On the basis of the above embodiments, the method for dispatch deal provided in an embodiment of the present invention, if the step 14 is sentenced
It is disconnected to know that M is less than after N, before M is sent to terminal as iterative transfer times adjusted, the method also includes:
Base station obtains multiple business datum, and business datum repeats to send n times each time；
For business datum each time, corresponding check results set is obtained respectively；
For each check results set, a M value is obtained；
Multiple M values are smoothed, the iterative transfer times adjusted are obtained.
In embodiments of the present invention, if M is less than N, it may be accidental phenomenon, more measured datas be needed, with more
It is no reasonable accurately to determine that the first number of repetition is provided that.
Optionally, if M is less than after N, base station obtains the business datum of multiple uplink, each uplink according to
First number of repetition carries out repeating transmission.
If obtaining P uplink, base station has acquisition P*N times business datum altogether, obtains P*N check results.
Optionally, for each check results, if judge to know the check results of the n-th of a uplink as ACK,
Record M value.
Optionally, it is smoothed for the multiple M values of acquisition.
Optionally, if this transmission has exception, terminal demodulates successfully in the second number of repetition, and actual channel item
Part is not that very well, can be excluded the second number of repetition with excluding outlier by smoothing processing and be less than or equal to the first number of repetition
Only the case where fortuitous phenomena.
Optionally, using following formula, smoothing processing is done to the M value being transmitted several times, the repetition after being adjusted passes
Defeated number.
Other steps of the present embodiment are similar to previous embodiment step, and this embodiment is not repeated.
The method of dispatch deal provided in this embodiment, still can not be correct by base station after considering terminal transmission n times
Business datum is demodulated, number is correspondingly increased, adjusts initial iterative transfer times in real time to realize.
On the basis of the above embodiments, the method for dispatch deal provided in an embodiment of the present invention, after step 11, institute
State method further include:
According to the frequency domain reference symbol and local reference signal obtained in advance, the equivalent signal-to-noise ratio of terminal is obtained；
According to the equivalent signal-to-noise ratio, the initial iterative transfer times are determined.
Optionally, before this step, base station can obtain the frequency domain reference symbol of terminal there are two types of mode.
One is terminals to the leader sequence of base station transmission random access, and the leader sequence includes the frequency domain reference of terminal
Symbol, the received leader sequence of leader sequence and base station that base station is sent according to terminal, is handled.
Another kind, which is base station, sends pilot frequency sequence to terminal, and terminal is according to pilot frequency sequence, by reverse link traffic channel to base
Station reports frequency domain data, and frequency domain data includes frequency domain reference symbol (RxRS), indicates the channel condition of terminal.
It is understood that above two mode is the leader sequence/pilot frequency sequence for borrowing the prior art, without independent
Leader sequence/pilot frequency sequence is carried out to send and receive.
Optionally, base station obtains the corresponding local reference signal of reverse link traffic channel being locally generated in advance
(LocalRS)。
Optionally, equivalent noise is calculated according to the frequency domain reference symbol and the local reference signal in base station
Than.
Optionally, the mode of equivalent signal-to-noise ratio is calculated are as follows:
According to the frequency domain reference symbol and the local reference signal, intermediate sequence is obtained:
The intermediate sequence is averaging processing, the average parameter of intermediate sequence is obtained:
According to the average parameter, the mean power of signal is obtained:
Noise variance is obtained using difference algorithm according to the average parameter；
According to the mean power of the signal and the noise variance, the equivalent signal-to-noise ratio of terminal is obtained.
Optionally, according to the following formula, related operation is carried out:
RS_Corr=(RxRS*conj (LocalRS))
In formula, RS_Corr is intermediate sequence, and RxRS is frequency domain reference symbol, and LocalRS is local reference signal, * conj
For the operator for seeking conjugate number.
Optionally, operation result is a sequence, each sequence is made of multiple points, if SNR is smaller, each sequence
Point peak value it is very low, be not easy that the power of signal is calculated.
For each leader sequence/pilot frequency sequence, can correspond to obtain a RxRS, and obtain corresponding intermediate sequence.
Optionally, multiple intermediate sequence RS_Corr are overlapped, then each symbol of RS_Corr is averaging, is obtained
Average parameter.
Optionally, according to the following formula, average parameter is obtained:
Peak_RS=mean (reshape (RS_Corr, [], 1))；
In formula, Peak_RS is the average parameter of intermediate sequence, and mean is the operator for seeking matrix, and reshape is to be averaging
Data shaping function.
Optionally, according to the following formula, the mean power of signal is obtained:
Peak_Mean=abs (Peak_RS) ^2
In formula, Peak_Mean is the mean power of signal.
Optionally, according to RS_Corr, using difference algorithm, calculating noise variance EstiNoiseVar.
Optionally, according to the mean power of signal and noise variance, according to the following formula, the equivalent noise of terminal is obtained
Than.
SNR=Peak_Mean/EstiNoiseVar
In low signal-to-noise ratio, there is inaccuracy in the signal-to-noise ratio being calculated by way of the prior art,
Other steps of the present embodiment are similar to previous embodiment step, and this embodiment is not repeated.
The embodiment of the present invention is by way of spread spectrum, and in low signal-to-noise ratio, the power of signal can accurately be calculated, thus
Guarantee the accuracy of the signal-to-noise ratio of calculated result.
On the basis of the above embodiments, the method for dispatch deal provided in an embodiment of the present invention, it is described according to described etc.
The step of imitating signal-to-noise ratio, determining the initial iterative transfer times specifically:
According to the equivalent signal-to-noise ratio, predetermined multiple corresponding relationships are inquired, each corresponding relationship is MCS etc.
The corresponding relationship of equivalent signal-to-noise ratio and number of repetition when grade；
For each corresponding relationship, the corresponding number of repetition of the equivalent signal-to-noise ratio is obtained；
The number of repetition is screened, with the determination initial iterative transfer times.
Optionally, it is emulated under the channel condition of terminal, obtains BLER (block error under various MCS grades
Rate word group error rate) with SNR change curve.BLER is the ratio between the block for having mistake and received total block data.In a MCS grade
Under, the corresponding BLER of a SNR.
Optionally, consider the scene for repeating to transmit, generated under each MCS grade by emulation, different SNR, if reaching
When to preset BLER thresholding, duplicate number is needed.It is closed that is, simulation result is that equivalent SNR is corresponding with number of repetition
System.
Optionally, BLER thresholding can be adjusted according to the actual situation, and for example, 0.01.
For example, when SNR is 20dbm, base station is repeated 1 times transmission, and terminal can be solved when base station is repeated 1 times transmission
The BLER of the business datum sent is adjusted to can reach thresholding 0.01.SNR is 16dbm, and base station is repeated 2 times transmission, can reach door
0.01, SNR 2dbm is limited, base station is repeated 8 times transmission, can reach thresholding 0.01.
Optionally, simulation result is analyzed and processed, is extracted under each MCS, Signal to Noise Ratio (SNR) is corresponding with number of repetition
Relationship.
Optionally, for every MCS, in the case where guaranteeing that BLER can reach thresholding 0.01, signal-to-noise ratio and number of repetition
Corresponding relationship.
Optionally, the corresponding relationship of the signal-to-noise ratio and the step signal-to-noise ratio determined and number of repetition that are obtained according to step,
Determine number of repetition corresponding to the signal-to-noise ratio currently calculated.
Optionally, the signal-to-noise ratio obtained according to step inquires the pass corresponding with number of repetition of signal-to-noise ratio under every MCS respectively
System.Then every inquiry is primary, can inquire to obtain the corresponding number of repetition of a signal-to-noise ratio.
By taking MCS is 0-7 totally 8 as an example, then a signal-to-noise ratio, can be obtained 8 numbers of repetition.
Optionally, the number of repetition obtained to inquiry is screened, with the most reasonable number of repetition of determination.
Optionally, it is screened according to following manner:
According to the MCS grade of each corresponding table, the corresponding equivalent code rate of MCS grade is calculated；
Corresponding MCS grade when equivalent code rate maximum is obtained,
The corresponding number of repetition of the MCS grade is obtained, as the initial iterative transfer times
Optionally, according to the following formula, the equivalent code rate under each MCS is calculated.
Rate=Tb_length/ number of repetition
In formula, Rate is equivalent code rate, the length of business datum when Tb_length is list band _ mono- radio frames.
Optionally, for each number of repetition, above formula calculating is carried out respectively, obtains corresponding equivalent code rate, is chosen equivalent
The maximum MCS of code rate is as selected MCS grade, and number of repetition corresponding to MCS grade is as initial number of repetition.Equivalent code
Rate is positively correlated with channel throughput, corresponding MCS grade and number of repetition when selecting handling capacity maximum, as initially repeating time
Number is used in scheduling.
Other steps of the present embodiment are similar to previous embodiment step, and this embodiment is not repeated.
The embodiment of the present invention determines the corresponding relationship of MCS and number of repetition by way of emulation, can accurately be calculated
Initial number of repetition.
In order to more fully understand technology contents of the invention, on the basis of the above embodiments, the present embodiment is described in detail
The method of the dispatch deal of offer.
For prior art problem, the present embodiment propose it is a kind of initial number of repetition is determined by SNR, then by
Each duplicate ACK/NACK is dispatched as a result, obtaining next time using reasonable respectively when calculating multiplicating in data transmission
The method of MCS and number of repetition.This method can quickly have a try to track and choose to reasonable number of repetition.
1. calculating the Signal to Noise Ratio (SNR) for determining initial MCS and number of repetition
(1) frequency domain data that Traffic Channel receives pilot tone is obtained
(2) the corresponding local reference signal of above-mentioned Traffic Channel pilot tone is obtained
(3) reference signal (LocalRS) being from a locally generated to frequency domain reference symbol (RxRS) above makees related operation
RS_Corr=(RxRS.*conj (LocalRS))；
(4) difference algorithm calculating noise variance EstiNoiseVar is used using RS_Corr, smoothing processing can be done
(5) each symbol of RS_Corr is averaging, is obtained:
Peak_RS=mean (reshape (RS_Corr, [], 1))；
(6) signal power is sought
Peak_Mean=abs (Peak_RS) .^2；
(7) SNR value is sought
SNR=Peak_Mean/EstiNoiseVar；
2. determining initial iterative transfer times N by table mapping mode using the Signal to Noise Ratio (SNR) that previous step obtains
It (1) is thresholding n=in BLER when 1,2,4,8 ... 128 repetition corresponding by emulation generation MCS0-MCS7
SNR when 0.01 corresponds to table；
(2) it reversely generates under each MCS, according to the correspondence number of repetition table of SNR index；
(3) equivalent SNR value is inputted, the number of repetition under each MCS is inquired；
(4) equivalent code rate Rate=Tb_length (list band _ mono- radio frames)/number of repetition under each MCS is calculated,
The maximum MCS of equivalent code rate is chosen as selected MCS grade, corresponding number of repetition is as number of repetition；
3. receiving the traffic channel data that n times are repeated of initial transmission
4. pair this sub-data transmission received does not use 1,2,3 ... n times to do reception detection processing when repeating, corresponded to
N number of ACK/NACK value
5. if searching this transmission is the detection knot obtained when repeating from which time it is ACK that n-th, which repeats inspection side result,
Fruit is ACK, remembers that the secondary number of repetition is M, M to N testing result is ACK under normal circumstances.The M value being transmitted several times is done
Smoothing processing,
M_updated=(1-SmoothFactor) * M_pre+SmoothFactor*M；
M_pre=M_updated；
6. judging whether that continuous Num_ack_ok business datum n-th repeats inspection side result is ACK, Num_ack_ok can
Configuration is adjusted to N_updated=M_updated if it is number of repetition is carried out in scheduling next time, otherwise keeps next
It is that N is constant that secondary scheduling, which carries out number of repetition,.Return to step 3 repetition.
7. if N result is NACK, N_updated=N+step value, step value is configurable, under N_updated is used as
Repetition values used in secondary scheduling
8. returning to step 3 repetition
The method of dispatch deal provided in this embodiment, at least has following technical effect that
Initial number of repetition is determined by equivalent SNR, when being then repeated several times by calculating in a data transmission
Each duplicate ACK/NACK is as a result, obtain the method for dispatching reasonable number of repetition next time respectively, and can quickly have a try tracking choosing
Get reasonable number of repetition.
Fig. 2 shows a kind of structural schematic diagrams for base station that further embodiment of this invention provides.
Referring to Fig. 2, on the basis of the above embodiments, base station provided in this embodiment, the base station includes receiving module
21, module 22, determining module 23 and sending module 24 are obtained, in which:
Receiving module 21 is used to receive the business datum of the repetition n times of terminal transmission, and the N is the preparatory instruction terminal in base station
Initial iterative transfer times；Module 22 is obtained for obtaining check results set, the check results set includes to the 1st time
Transmission, preceding 2 transmission, the business datum for 3 times transmitting ... preceding n times transmission are verified, obtained check results, each school
It tests result to be ranked up according to the timing of business datum, and the check results of n-th are ACK；Determining module 23 is for determining institute
Stating the check results first appeared in check results set is the corresponding serial number M of ACK；If sending module 24 knows M for judging
Less than N, terminal is sent to using M as iterative transfer times adjusted.
Receiving module 21 receives the business datum of terminal transmission respectively, for received business datum each time, obtains mould
If block 22 judges to know that the check results of n-th as ACK, check results are taken in and are gathered.
23 m-th check results of determining module indicate this business datum from when repeating for the M times, and base station can demodulate for the first time
The business datum, to obtain the ACK for the first time of the n times transmission of this business datum.
M is compared by sending module 24 with N, the reasonability of tracing detection N setting.
Since N is channel condition of the base station according to terminal, the initial iterative transfer times of terminal, theoretically, base station are determined
Should be when terminal n-th repeat transmission services data, unsuccessful demodulation business datum, N should be in the check results set
The check results first appeared are the corresponding serial number of ACK.
If M is less than N, then it represents that N is arranged unreasonable, and at the M times, base station can demodulate success, then next base station
When carrying out uplink authorization for the terminal, terminal is sent to using M as iterative transfer times adjusted.
Base station provided in this embodiment, can be used for executing the method for above method embodiment, this implementation repeats no more.
Base station provided in this embodiment, by initial iterative transfer times be provided that it is no rationally track, if just
Beginning iterative transfer times are arranged unreasonable, adjust initial iterative transfer times in real time.
Fig. 3 shows the structural schematic diagram of a kind of electronic equipment of further embodiment of this invention offer.
Refering to Fig. 3, electronic equipment provided in an embodiment of the present invention, the electronic equipment include memory (memory) 31,
Processor (processor) 32, bus 33 and it is stored in the computer program that can be run on memory 31 and on a processor.
Wherein, the memory 31, processor 32 complete mutual communication by the bus 33.
The processor 32 is used to call the program instruction in the memory 31, realizes when executing described program as schemed
1 method.
In another embodiment, following method is realized when the processor executes described program:
After base station receives the step of business datum for the repetition n times that terminal is sent, the method also includes:
If judging to know the check results of n-th as negative response NACK, using N+step value as described adjusted heavy
Multiple the number of transmissions is sent to terminal, and step value is positive integer.
In another embodiment, following method is realized when the processor executes described program:
If step judgement knows that M is less than after N, using M as iterative transfer times adjusted be sent to terminal it
Before, the method also includes:
Base station obtains multiple business datum, and business datum repeats to send n times each time；
For business datum each time, corresponding check results set is obtained respectively；
For each check results set, a M value is obtained；
Multiple M values are smoothed, the iterative transfer times adjusted are obtained.
In another embodiment, following method is realized when the processor executes described program:
Before the base station receives the step of business datum for the repetition n times that terminal is sent, the method also includes:
According to the frequency domain reference symbol and local reference signal obtained in advance, the equivalent signal-to-noise ratio of terminal is obtained；
According to the equivalent signal-to-noise ratio, the initial iterative transfer times are determined.
In another embodiment, following method is realized when the processor executes described program:
According to the frequency domain reference symbol and the local reference signal, intermediate sequence is obtained:
The intermediate sequence is averaging processing, the average parameter of intermediate sequence is obtained:
According to the average parameter, the mean power of signal is obtained:
Noise variance is obtained using difference algorithm according to the average parameter；
According to the mean power of the signal and the noise variance, the equivalent signal-to-noise ratio is obtained.
In another embodiment, following method is realized when the processor executes described program:
It is described according to the equivalent signal-to-noise ratio, the step of determining the initial iterative transfer times specifically:
According to the equivalent signal-to-noise ratio, predetermined multiple corresponding relationships are inquired, each corresponding relationship is a modulation
With the corresponding relationship of equivalent signal-to-noise ratio and number of repetition when coding strategy MCS grade；
For each corresponding relationship, the corresponding number of repetition of the equivalent signal-to-noise ratio is obtained；
The number of repetition is screened, with the determination initial iterative transfer times.
In another embodiment, following method is realized when the processor executes described program:
It is described that the number of repetition is screened, the step of the initial iterative transfer times described with determination specifically:
According to the MCS grade of each corresponding table, the corresponding equivalent code rate of MCS grade is calculated；
Corresponding MCS grade when equivalent code rate maximum is obtained,
The corresponding number of repetition of the MCS grade is obtained, as the initial iterative transfer times.
Electronic equipment provided in this embodiment can be used for executing the corresponding program of method of above method embodiment, this reality
It applies and repeats no more.
Electronic equipment provided in this embodiment, at least has following technical effect that
Realize the method by terminal according to initial iterative transfer times when executing described program by the processor
After carrying out uplink, base station to initial iterative transfer times be provided that it is no rationally track, if initial, to repeat transmission secondary
Number is arranged unreasonable, adjusts initial iterative transfer times in real time.
A kind of storage medium that further embodiment of this invention provides is stored with computer program on the storage medium, institute
It states and realizes when program is executed by processor such as the step of Fig. 1.
In another embodiment, following method is realized when described program is executed by processor:
After base station receives the step of business datum for the repetition n times that terminal is sent, the method also includes:
If judging to know the check results of n-th as negative response NACK, using N+step value as described adjusted heavy
Multiple the number of transmissions is sent to terminal, and step value is positive integer.
In another embodiment, following method is realized when described program is executed by processor: if the step judges
Know that M is less than after N, before M is sent to terminal as iterative transfer times adjusted, the method also includes:
Base station obtains multiple business datum, and business datum repeats to send n times each time；
For business datum each time, corresponding check results set is obtained respectively；
For each check results set, a M value is obtained；
Multiple M values are smoothed, the iterative transfer times adjusted are obtained.
In another embodiment, following method is realized when described program is executed by processor: the base station receives eventually
Before the step of holding the business datum of the repetition n times sent, the method also includes:
According to the frequency domain reference symbol and local reference signal obtained in advance, the equivalent signal-to-noise ratio of terminal is obtained；
According to the equivalent signal-to-noise ratio, the initial iterative transfer times are determined.
In another embodiment, following method is realized when described program is executed by processor: described according to the frequency
Domain reference symbol and the local reference signal obtained in advance, the step of obtaining the equivalent signal-to-noise ratio of terminal specifically:
According to the frequency domain reference symbol and the local reference signal, intermediate sequence is obtained:
The intermediate sequence is averaging processing, the average parameter of intermediate sequence is obtained:
According to the average parameter, the mean power of signal is obtained:
Noise variance is obtained using difference algorithm according to the average parameter；
According to the mean power of the signal and the noise variance, the equivalent signal-to-noise ratio is obtained.
In another embodiment, following method is realized when described program is executed by processor: described according to described etc.
The step of imitating signal-to-noise ratio, determining the initial iterative transfer times specifically:
According to the equivalent signal-to-noise ratio, predetermined multiple corresponding relationships are inquired, each corresponding relationship is a modulation
With the corresponding relationship of equivalent signal-to-noise ratio and number of repetition when coding strategy MCS grade；
For each corresponding relationship, the corresponding number of repetition of the equivalent signal-to-noise ratio is obtained；
The number of repetition is screened, with the determination initial iterative transfer times.
In another embodiment, following method is realized when described program is executed by processor: described to the repetition
The step of number is screened, the initial iterative transfer times described with determination specifically:
According to the MCS grade of each corresponding table, the corresponding equivalent code rate of MCS grade is calculated；
Corresponding MCS grade when equivalent code rate maximum is obtained,
The corresponding number of repetition of the MCS grade is obtained, as the initial iterative transfer times.
Storage medium provided in this embodiment realizes the side of above method embodiment when described program is executed by processor
Method, this implementation repeat no more.
Storage medium provided in this embodiment, at least has following technical effect that
Realize the method by terminal according to initial iterative transfer times when executing described program by the processor
After carrying out uplink, base station to initial iterative transfer times be provided that it is no rationally track, if initial, to repeat transmission secondary
Number is arranged unreasonable, adjusts initial iterative transfer times in real time.
It will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments is wrapped
Certain features for including rather than other feature, but the combination of the feature of different embodiments mean in the scope of the present invention it
It is interior and form different embodiments.
It will be understood by those skilled in the art that each step in embodiment can be implemented in hardware, or at one or
The software module run on the multiple processors of person is realized, or is implemented in a combination thereof.Those skilled in the art should manage
Solution, can be used in practice microprocessor or digital signal processor (DSP) to realize according to an embodiment of the present invention one
The some or all functions of a little or whole components.The present invention is also implemented as executing method as described herein
Some or all equipment or base station program (for example, computer program and computer program product).
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations are made in the case where bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
1. a kind of method of dispatch deal, which is characterized in that the described method includes:
Base station receives the business datum for the repetition n times that terminal is sent, and the N is that the initial of the preparatory instruction terminal in base station repeats to transmit
Number；
Check results set is obtained, the check results set includes transmitting to the 1st time, and preceding 2 transmission are 3 times transmitted ... preceding
The business datum of n times transmission is verified, and obtained check results, each check results are arranged according to the timing of business datum
Sequence, and the check results of n-th are positive should indeed answer ACK；
Determine that the check results first appeared in the check results set are the corresponding serial number M of ACK；
If judgement knows that M is less than N, terminal is sent to using M as iterative transfer times adjusted.
2. according to the method described in claim 1, it is characterized by: base station receives the business datum for the repetition n times that terminal is sent
The step of after, the method also includes:
If judging to know, the check results of n-th as negative response NACK, adjusted repeat to pass using N+step value as described
Defeated number is sent to terminal, and step value is positive integer.
If 3. according to the method described in claim 1, it is characterized by: the step judgement know M be less than N after, using M as
Iterative transfer times adjusted are sent to before terminal, the method also includes:
Base station obtains multiple business datum, and business datum repeats to send n times each time；
For business datum each time, corresponding check results set is obtained respectively；
For each check results set, a M value is obtained；
Multiple M values are smoothed, the iterative transfer times adjusted are obtained.
4. according to the method described in claim 1, it is characterized by:
Before the base station receives the step of business datum for the repetition n times that terminal is sent, the method also includes:
According to the frequency domain reference symbol and local reference signal obtained in advance, the equivalent signal-to-noise ratio of terminal is obtained；
According to the equivalent signal-to-noise ratio, the initial iterative transfer times are determined.
5. according to the method described in claim 4, it is characterized by: frequency domain reference symbol and sheet that the basis obtains in advance
Ground reference signal, the step of obtaining the equivalent signal-to-noise ratio of terminal specifically:
According to the frequency domain reference symbol and the local reference signal, intermediate sequence is obtained:
The intermediate sequence is averaging processing, the average parameter of intermediate sequence is obtained:
According to the average parameter, the mean power of signal is obtained:
Noise variance is obtained using difference algorithm according to the average parameter；
According to the mean power of the signal and the noise variance, the equivalent signal-to-noise ratio is obtained.
6. according to the method described in claim 4, determining described initial it is characterized by: described according to the equivalent signal-to-noise ratio
The step of iterative transfer times specifically:
According to the equivalent signal-to-noise ratio, predetermined multiple corresponding relationships are inquired, each corresponding relationship is a modulation and compiles
The corresponding relationship of equivalent signal-to-noise ratio and number of repetition when code strategy MCS grade；
For each corresponding relationship, the corresponding number of repetition of the equivalent signal-to-noise ratio is obtained；
The number of repetition is screened, with the determination initial iterative transfer times.
7. according to the method described in claim 6, it is characterized by: described screen the number of repetition, to determine
The step of stating initial iterative transfer times specifically:
According to the MCS grade of each corresponding table, the corresponding equivalent code rate of MCS grade is calculated；
Corresponding MCS grade when equivalent code rate maximum is obtained,
The corresponding number of repetition of the MCS grade is obtained, as the initial iterative transfer times.
8. a kind of base station, which is characterized in that the base station includes:
Receiving module, the business datum of the repetition n times for receiving terminal transmission, the N are the first of the preparatory instruction terminal in base station
Beginning iterative transfer times；
Module is obtained, for obtaining check results set, the check results set includes transmitting to the 1st time, preceding 2 transmission,
The business datum for 3 times transmitting ... preceding n times transmission is verified, and obtained check results, each check results are according to business number
According to timing be ranked up, and the check results of n-th be ACK；
Determining module, for determining that the check results first appeared in the check results set are the corresponding serial number M of ACK；
Sending module, if being sent to terminal for M as iterative transfer times adjusted for judging to know that M is less than N.
9. a kind of electronic equipment, which is characterized in that on a memory and can be including memory, processor, bus and storage
The computer program run on processor, which is characterized in that the processor realizes such as claim 1-7 when executing described program
The step of any one.
10. a kind of storage medium, is stored thereon with computer program, it is characterised in that: real when described program is executed by processor
The now step as described in claim 1-7 any one.
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| CN110999339A (en) * | 2019-11-08 | 2020-04-10 | 北京小米移动软件有限公司 | Method and device for adjusting repeated transmission times and storage medium |
| CN111585686A (en) * | 2020-05-09 | 2020-08-25 | 国网浙江省电力有限公司信息通信分公司 | Data transmission method and device, electronic equipment and computer readable storage medium |
| CN112422240A (en) * | 2020-10-26 | 2021-02-26 | 鹏城实验室 | Data transmission method, system, hardware system and computer storage medium |
| WO2021169653A1 (en) * | 2020-02-26 | 2021-09-02 | 中兴通讯股份有限公司 | Repeated transmission method and apparatus, device, and storage medium |
| CN114760018A (en) * | 2021-01-08 | 2022-07-15 | 中国电信股份有限公司 | Method, device and system for indicating and acquiring repeated transmission times of PUCCH (physical uplink control channel) |
| WO2024000562A1 (en) * | 2022-07-01 | 2024-01-04 | 新华三技术有限公司 | Data transmission method, apparatus, storage medium and electronic device |
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| CN110999339A (en) * | 2019-11-08 | 2020-04-10 | 北京小米移动软件有限公司 | Method and device for adjusting repeated transmission times and storage medium |
| CN110999339B (en) * | 2019-11-08 | 2023-10-10 | 北京小米移动软件有限公司 | Method and device for adjusting repeated transmission times and storage medium |
| WO2021169653A1 (en) * | 2020-02-26 | 2021-09-02 | 中兴通讯股份有限公司 | Repeated transmission method and apparatus, device, and storage medium |
| CN111585686A (en) * | 2020-05-09 | 2020-08-25 | 国网浙江省电力有限公司信息通信分公司 | Data transmission method and device, electronic equipment and computer readable storage medium |
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| CN114760018A (en) * | 2021-01-08 | 2022-07-15 | 中国电信股份有限公司 | Method, device and system for indicating and acquiring repeated transmission times of PUCCH (physical uplink control channel) |
| CN114760018B (en) * | 2021-01-08 | 2023-10-31 | 中国电信股份有限公司 | Method, device and system for indicating and acquiring repetition transmission times of PUCCH (physical uplink control channel) |
| WO2024000562A1 (en) * | 2022-07-01 | 2024-01-04 | 新华三技术有限公司 | Data transmission method, apparatus, storage medium and electronic device |
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