CN109922477A - A kind of data processing method and device of base station - Google Patents
A kind of data processing method and device of base station Download PDFInfo
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Abstract
The embodiment of the invention provides a kind of data processing method and device of base station, which comprises the base station obtains initial frequency-domain data；The base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；The base station carries out reception operation to the PUCCH according to first frequency domain data and channel estimation parameter, obtains the first data information；The base station extracts specific PRB；The base station obtains the interference information of the PUSCH of the specific PRB carrying according to the channel estimation parameter and first data information；The base station obtains corresponding second time domain data of the PUSCH according to the interference information；The base station carries out FFT for second time domain data, obtains the second frequency domain data；The base station carries out reception operation for second frequency domain data, obtains the second data information；In the embodiment of the present invention, PUCCH and PUSCH is carried simultaneously in the same Physical Resource Block, improve LTE system uplink frequency spectrum resource utilization rate, promote user's perception of LTE cell.
Description
Technical field
The present invention relates to the technical fields of communication, the data processing method and a kind of base station more particularly to a kind of base station
Data processing equipment.
Background technique
With the rapid development of LTE (Long Term Evolution, long term evolution) network, wechat, video, picture etc.
Packet services are gradually enriched, and user's rapid growth of VOLTE (Voice over LTE) voice service are opened, to LTE base station tune
Degree ability and time delay propose high requirement.In BTS hardware and software list TTI (Transmission Time
Interval, Transmission Time Interval) under the premise of scheduling times are unrestricted, the available PRB (Physical of uplink
Resource Block, Physical Resource Block) resource is exactly maximum bottleneck.
The subframe proportion that LTE is now netted is 3DL (Download, network side to terminal): 1UL (Upload, terminal to network
Side), according to 600~1000 capacity configuration channel parameters, PRACH (Physical Random Access Channel, physics with
Machine accesses channel) each sub-frame of uplink averagely occupies 3 PRB, PUCCH (Physical Uplink Control Channel,
Physical Uplink Control Channel) each sub-frame of uplink averagely occupies about 18 PRB, and uplink residue PRB resource is about 79.
By taking voice service as an example, it is assumed that a LTE cell has 400 high definition voice users, voice activity factor 0.5,
In order to guarantee that voice call quality, activation mono- voice packet of phase 20ms, base station 40ms dispatch two voice packets, need 3 PRB,
Quiet period 160ms dispatches a voice packet, needs 1 PRB；Each sub-frame of uplink needs to dispatch 25 activation users, 7 silences
User, the uplink PUSCH needed (Physical Uplink Shared Channel, Physical Uplink Shared Channel) PRB quantity
It is 82；
As it can be seen that in such a scenario ascending resource be it is not enough, in addition the business such as wechat, video, and further mention
The number of users demand risen, uplink can will lead to user with PRB inadequate resource and perceive variation.
Summary of the invention
The embodiment of the present invention provides the data processing method and a kind of data processing equipment of base station accordingly of a kind of base station,
To solve the above problem of PRB inadequate resource.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of data processing method of base station, the method packets
It includes:
The base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include Physical Uplink Control Channel
Corresponding first frequency domain data of PUCCH；
The base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；
The base station carries out reception operation to the PUCCH according to first frequency domain data and channel estimation parameter, obtains
Obtain the first data information；
The base station extracts specific Physical Resource Block PRB；Wherein, the specific PRB carries PUCCH and physically simultaneously
The shared channel PUSCH of row；
The base station obtains the specific PRB carrying according to the channel estimation parameter and first data information
The interference information of PUSCH；
The base station obtains corresponding second time domain data of the PUSCH according to the interference information；
The base station carries out Fast Fourier Transform (FFT) FFT for second time domain data, obtains the second frequency domain data；
The base station carries out reception operation for second frequency domain data, obtains the second data information.
Preferably, the step of base station acquisition initial frequency-domain data include:
The base station gets initial time domain data；
Initial time domain data are carried out frequency deviation compensation, remove cyclic prefix CP and Fast Fourier Transform (FFT) FFT by the base station, are obtained
Obtain the initial frequency-domain data.
Preferably, the step of base station extracts specific PRB include:
The base station obtains scheduling message；
The PRB of corresponding resource position in the scheduling message is determined as specific PRB by the base station.
Preferably, the step of base station obtains the PUSCH corresponding second time domain data according to the interference information
Include:
The base station carries out transmission operation for the interference information, obtains the specific frequency domain data；
The specific frequency domain data is carried out inverse fast Fourier transform IFFT by the base station, obtains specific time domain data；
The initial time domain data and the specific time domain data are subtracted each other in the base station, obtain the second time domain number
According to.
Preferably, the method also includes:
When the specific PRB carries PUCCH and PUSCH simultaneously, the base station stores scheduling message；Wherein, the tune
Degree message includes the resource location that the specific PRB pair is answered.
The embodiment of the invention also discloses a kind of data processing equipment of base station, described device includes:
Initial frequency-domain data acquisition module obtains initial frequency-domain data for the base station；Wherein, the initial frequency-domain number
According to including corresponding first frequency domain data of Physical Uplink Control Channel PUCCH；
Channel estimation parameter obtains module, carries out channel estimation for the PUCCH for the base station, obtains channel and estimate
Count parameter；
First data information obtains module, for the base station according to first frequency domain data and channel estimation parameter pair
The PUCCH carries out reception operation, obtains the first data information；
Extraction module extracts specific Physical Resource Block PRB for the base station；Wherein, the specific PRB is carried simultaneously
PUCCH and Physical Uplink Shared Channel PUSCH；
Interference information obtains module, obtains for the base station according to the channel estimation parameter and first data information
Obtain the interference information of the PUSCH of the specific PRB carrying；
Second time domain data obtains module, corresponding according to the interference information acquisition PUSCH for the base station
Second time domain data；
Second frequency domain data obtains module, carries out fast Fourier change for second time domain data for the base station
FFT is changed, the second frequency domain data is obtained；
Second data information obtains module, carries out reception operation for second frequency domain data for the base station, obtains
Obtain the second data information.
Preferably, the initial frequency-domain data acquisition module includes:
Initial time domain data obtain submodule, get initial time domain data for the base station；
Initial frequency-domain data obtain submodule, and initial time domain data are carried out frequency deviation compensation for the base station, go to recycle
Prefix CP and Fast Fourier Transform (FFT) FFT obtains the initial frequency-domain data.
Preferably, the extraction module includes:
Scheduling message acquisition submodule obtains scheduling message for the base station；
Specific PRB determines submodule, is determined as the PRB of corresponding resource position in the scheduling message for the base station
Specific PRB.
Preferably, the second time domain data acquisition module includes:
Specific frequency domain data obtains submodule, carries out transmission operation for the interference information for the base station, obtains
The specific frequency domain data；
Specific time domain data obtains submodule, for the base station that the specific frequency domain data progress fast Fourier is inverse
IFFT is converted, specific time domain data is obtained；
Second time domain data obtains submodule, is used for the base station for the initial time domain data and the specific time domain number
According to subtracting each other, second time domain data is obtained.
Preferably, described device further include:
Scheduling message storage module, for when the specific PRB carries PUCCH and PUSCH simultaneously, the base station to be stored
Scheduling message；Wherein, the scheduling message includes the resource location that the specific PRB pair is answered.
The embodiment of the present invention includes following advantages:
In the embodiment of the present invention, the base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include
Corresponding first frequency domain data of PUCCH；The base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；Institute
It states base station and reception operation is carried out to the PUCCH according to first frequency domain data and channel estimation parameter, obtain the first data
Information；The base station extracts specific PRB；Wherein, the specific PRB carries PUCCH and PUSCH simultaneously；The base station foundation
The channel estimation parameter and first data information obtain the interference information of the PUSCH of the specific PRB carrying；The base
It stands and obtains corresponding second time domain data of the PUSCH according to the interference information；The base station is directed to the second time domain number
According to FFT is carried out, the second frequency domain data is obtained；The base station carries out reception operation for second frequency domain data, obtains second
Data information；In the embodiment of the present invention, PUCCH and PUSCH is carried simultaneously in the same Physical Resource Block, improve LTE system
Uplink frequency spectrum resource utilization rate promotes user's perception of LTE cell.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing；
Fig. 1 is a kind of step flow chart of the data processing method embodiment one of base station of the embodiment of the present invention；
Fig. 2 is a kind of step flow chart of the data processing method embodiment two of base station of the embodiment of the present invention；
Fig. 3 is a kind of structural block diagram of the data processing equipment embodiment of base station of the embodiment of the present invention.
Specific embodiment
The technical issues of in order to keep the embodiment of the present invention solved, technical solution and beneficial effect are more clearly understood, with
The embodiment of the present invention is further described in lower combination accompanying drawings and embodiments.It should be appreciated that specific implementation described herein
Example is only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig.1, a kind of step process of the data processing method embodiment one of base station of the embodiment of the present invention is shown
Figure, can specifically include following steps:
Step 101, the base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include PUCCH corresponding
First frequency domain data；
In the embodiment of the present invention, the type of the base station may include macro base station, micro-base station, femto base station, distributed base
It stands, the embodiment of the present invention does not limit this specifically, and base station mainly may include baseband processing unit (Building
Base band Unite), Remote Radio Unit (Radio Remote Unit) and antenna-feeder system；
Baseband processing unit mainly completes the functions such as channel coding/decoding, the modulation /demodulation of baseband signal, protocol processes, simultaneously
It needs to provide the interface function with upper layer network element.
Remote Radio Unit mainly be exactly by received from/send toward baseband processing unit digital/analog signal carry out D/A
(Digital to Analog, digital signal turn analog signal), A/D (Analog to Digital, analog signal revolution word letter
Number), numerically/down coversion, rf-signal modulation demodulation, the radio frequency analog signal that then these will be sent/be received carries out
Power amplification/low noise amplification is finally sent to antenna-feeder system via filter element and is emitted.Remote Radio Unit needs
Interface with baseband processing unit and antenna-feeder system is provided；
Antenna-feeder system is mainly exactly feeder line and antenna, and the purpose of antenna-feeder system is exactly that will receive to the nothing of Remote Radio Unit
Line signal is put together, and is then radiate, and the signal that can also send over user equipment, which is put together, sends radio frequency drawing to
Remote cell processing, the embodiment of the present invention do not limit the composition of base station specifically.
It applies in the embodiment of the present invention, the base station receives analog signal by antenna, and the simulation is believed
Number it is converted into baseband signal, baseband signal (i.e. initial time domain data) are carried out with frequency deviation compensation, removing CP, (Cyclic Prefix, is followed
Ring prefix) and FFT (Fast Fourier Transformation, Fast Fourier Transform (FFT)), initial frequency-domain data are obtained,
In, the initial frequency-domain data include corresponding first frequency domain data of PUCCH.
Step 102, the base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；
Further, which can carry out channel estimation for the PUCCH, obtain channel estimation parameter, specifically,
The algorithm of the carry out channel estimation may include LS (Least Square, least square) algorithm, LMMSE (Linear
Minimum mean square error, Linear Minimum Mean-Square Error Estimation) algorithm, (judgement is anti-by Decision Feedback
Feedback) algorithm, MMSE (Minimum mean square error, Minimum Mean Squared Error estimation) algorithm, DFT (Discrete
Fourier Transform, discrete Fourier transform) algorithm and SVD (singular value decomposition, Singular Value
Decomposition) algorithm, the embodiment of the present invention do not limit this specifically.
It should be noted that in embodiments of the present invention, can preferentially be detected to PUCCH, PUCCH order of modulation
It is low, there is higher spreading gain, demodulation threshold is lower than PUSCH, and resource multiplex will not influence PUCCH demodulation；Disappear to PUCCH interference
After removing, PUSCH decoding is nor affected on, not will increase uplink error rate, high reliablity.
Step 103, the base station receives the PUCCH according to first frequency domain data and channel estimation parameter
Operation obtains the first data information；
It is specifically applied in the embodiment of the present invention, base station is according to first frequency domain data and channel estimation parameter to described
PUCCH carries out reception operation, obtains the first data information, which is the ascending control information of PUCCH carrying.
Specifically, carrying out reception operation to PUCCH according to the first frequency domain data and channel estimation parameter in base station, this is connect
Bringing drill to an end, it is different and variant because of ascending control information to oppose, following by taking different ascending control informations as an example, and docking is brought drill to an end work
It is illustrated.
The ascending control information of PUCCH carrying may include RI (rank indication, order instruction) information, CQI
(Channel Quality Indicator, channel quality instruction) information, PMI (Precoding Matrix Indicator,
Pre-coding matrix instruction) information and ACK (Acknowledgement, confirmation signal) information/NACK (Negative
Acknowledgement, not confirmation signal) information.
When ascending control information is RI information, carries out solution resource impact, obtain data-reusing information and corresponding with reference to letter
Breath carries out channel equalization by data-reusing information and channel estimation parameter, specifically, can be calculated using common channel equalization
Method carry out channel equalization, as ZF (Zero forcing, force zero) algorithm, MMSE (Minimum mean square error, most
The estimation of small mean square error) algorithm and serial interference algorithm, the embodiment of the present invention do not make excessive limitation to the type of algorithm, so
Afterwards, IFFT (Inverse Fast Fourier Transform, fast Fourier transforma are passed through to first frequency domain data
Change) processing obtain time domain data, which is demodulated, specifically, the specific algorithm of demodulation may include Log-MAP
Algorithm and MAX-Log-MAP algorithm are demodulated, and after demodulation, can be carried out according to rule defined in communication protocol corresponding
Data after descrambling are finally put into solution channel interleaving matrix, obtain according to the bit number and position of RI information by scramble process
RI information must be deinterleaved, finally, corresponding RI decoding algorithm is selected to decode to RI information is deinterleaved, obtains RI information.
When ascending control information is CQI information, the reception operation of CQI information is unlike the reception of RI information operation
After solving channel interleaving, RI information only needs the step of decoding by RI to can be obtained RI information, and CQI information also needs to judge
Whether the bit number of the CQI information (deinterleaving CQI information) after deinterleaving is greater than predetermined bit number threshold value, according to judging result pair
The deinterleaving CQI information is decoded, when the bit number for deinterleaving CQI information is less than predetermined bit number threshold value, then using Kazakhstan
The deinterleaving CQI information is decoded up to code conversion decoding algorithm, obtains CQI information；When the bit number for deinterleaving CQI information
When greater than predetermined bit number threshold value, solution rate-matched, Viterbi decoding algorithm and CRC are carried out for the deinterleaving CQI information and is examined
Processing is tested, CQI information is obtained.
In embodiments of the present invention, when the different ascending control informations of PUCCH carrying, receiving operation can not also
Together, the above-mentioned reception operation carried out when ascending control information is RI information or CQI information is only the act of the embodiment of the present invention
Example, can use different receptions to operate, the embodiment of the present invention does not make excessive limit to this because of different ascending control informations
System, it should be noted that it is commonly other that the utilized algorithm of above-mentioned reception operation could alternatively be those skilled in the art
Algorithm, the embodiment of the present invention to this with no restriction.
Step 104, the base station extracts specific PRB；Wherein, the specific PRB carries PUCCH and PUSCH simultaneously；
It is specifically applied in the embodiment of the present invention, it, can basis after base station obtains the ascending control information of PUCCH carrying
Resource location on PRB extracts specific PRB, it should be noted that the resource location is that base station is used for while holding for marking
The PRB of PUCCH and PUSCH is carried, i.e., when some PRB, which carries PUCCH, carries PUSCH again, then base station can store some scheduling
Message, wherein the resource location of specific PRB is marked in the scheduling message；Base station is available to after the scheduling message, by this
Resource location determines specific PRB.It should be noted that specific PRB can also be extracted in other way, such as at this
A signature identification is added on PRB, specific PRB is extracted in such a way that identification feature identifies, for extracting specific PRB's
Mode, the embodiment of the present invention to this with no restriction.
Step 105, the base station obtains the specific PRB according to the channel estimation parameter and first data information
The interference information of the PUSCH of carrying；
Further, after extracting the specific PRB, base station is obtained according to channel estimation parameter and the first data information
The interference information for obtaining the PUSCH of specific PRB carrying, specifically, when the channel estimation parameter isAnd first data are believed
Breath isThen the interference information is
Step 106, the base station obtains corresponding second time domain data of the PUSCH according to the interference information；
It applies in the embodiment of the present invention, it is corresponding which according to above-mentioned interference information can obtain PUSCH
Second time domain data obtains specific frequency domain data specifically, the base station carries out transmission operation for the interference information, then
The specific frequency domain data is subjected to IFFT processing, obtains specific time domain data, further, by the initial time domain data with it is described
Specific time domain data subtracts each other, and obtains second time domain data.
It should be noted that different transmission operations can be carried out for the different interference information, the tool of operation is sent
Body process are as follows: if the type of the interference information is RI information, repeated encoding is carried out to the RI information, the RI after coding is believed
Breath carries out channel interleaving, and the RI information after channel interleaving is scrambled, the RI information after scrambling is modulated, after modulation
RI information carry out resource impact, obtain specific frequency domain data.
Preferably, if the type of the interference information is CQI information, it is pre- to judge whether the bit number of the CQI information is greater than
If bit number threshold value, when the bit number of the CQI information is greater than predetermined bit number threshold value, then CRC is carried out for the CQI information and added
Add, encode, rate-matched, the CQI information after rate-matched is then subjected to channel interleaving again, the CQI after channel interleaving is believed
Breath is scrambled, and the CQI information after scrambling is modulated, and is carried out resource impact to modulated CQI information, is obtained specific frequency
Numeric field data.
Step 107, the base station carries out FFT for second time domain data, obtains the second frequency domain data；
It applies in the embodiment of the present invention, which carries out FFT processing to the second time domain data, obtains the second frequency domain
Data；It should be noted that second frequency domain data be PUSCH carrying information, may include ascending control information and
Data information.
Step 108, the base station carries out reception operation for second frequency domain data, obtains the second data information.
Further, base station carries out reception operation to second frequency domain data, obtains the second data information, needs to illustrate
It is, when second data information is data information, to carry out channel estimation and channel equalization for the second frequency domain data, specifically
Ground can carry out channel estimation using LS algorithm or LMMSE algorithm, and carry out channel using ZF algorithm or serial interference algorithm
Equilibrium, after the second frequency domain data after channel equalization is carried out solution rate-matched, turbo decoding, decoding block segmentation, CRC check,
Data information is obtained, this is also to operate difference with the reception of RI information, CQI information.
It should be noted that in embodiments of the present invention, different data informations needs to carry out different reception operations, this
Excessive limitation is not made in inventive embodiments docking concrete operations in making (such as demodulation, descrambling, decoding) of bringing drill to an end, also, above-mentioned
Citing should not be construed as the limitation of the reception operation of the embodiment of the present invention.
In the embodiment of the present invention, the base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include
Corresponding first frequency domain data of PUCCH；The base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；Institute
It states base station and reception operation is carried out to the PUCCH according to first frequency domain data and channel estimation parameter, obtain the first data
Information；The base station extracts specific PRB；Wherein, the specific PRB carries PUCCH and PUSCH simultaneously；The base station foundation
The channel estimation parameter and first data information obtain the interference information of the PUSCH of the specific PRB carrying；The base
It stands and obtains corresponding second time domain data of the PUSCH according to the interference information；The base station is directed to the second time domain number
According to FFT is carried out, the second frequency domain data is obtained；The base station carries out reception operation for second frequency domain data, obtains second
Data information；In the embodiment of the present invention, PUCCH and PUSCH is carried simultaneously in the same Physical Resource Block, improve LTE system
Uplink frequency spectrum resource utilization rate promotes user's perception of LTE cell.
Referring to Fig. 2, a kind of step process of the data processing method embodiment two of base station of the embodiment of the present invention is shown
Figure, can specifically include following steps:
Step 201, the base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include PUCCH corresponding
First frequency domain data；
In the embodiment of the present invention, the base station receives analog signal by antenna, converts base for the analog signal
Band signal carries out frequency deviation compensation to baseband signal (i.e. initial time domain data), removes CP and FFT, obtains initial frequency-domain data,
In, the initial frequency-domain data include corresponding first frequency domain data of PUCCH.
In a kind of preferred embodiment of the embodiment of the present invention, the step of base station obtains initial frequency-domain data includes following
Sub-step:
Sub-step S2011, the base station get initial time domain data；
Initial time domain data are carried out frequency deviation compensation, remove CP and FFT by sub-step S2012, the base station, are obtained described initial
Frequency domain data.
Step 202, the base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；
Further, which can carry out channel estimation for the PUCCH, obtain channel estimation parameter, and the present invention is real
It applies example and channel estimation method is not limited specifically.
Step 203, the base station receives the PUCCH according to first frequency domain data and channel estimation parameter
Operation obtains the first data information；
It is specifically applied in the embodiment of the present invention, in base station according to the first frequency domain data and channel estimation parameter to PUCCH
Reception operation is carried out, reception operation is to different and variant because of ascending control information.
The ascending control information of PUCCH carrying may include RI information, CQI information, PMI information and ACK information/NACK letter
Breath.
For example, it when ascending control information is RI information, carries out solution resource impact, obtains data-reusing information and corresponding
Reference information, channel equalization is carried out by data-reusing information and channel estimation parameter, specifically, can be using common letter
Trace equalization algorithm carries out channel equalization, then, handles to obtain time domain data by IFFT to first frequency domain data, when by this
Numeric field data is demodulated, and after demodulation, can carry out corresponding solution scrambling processing according to rule defined in communication protocol, finally
Data after descrambling are put into solution channel interleaving matrix, is obtained according to the bit number of RI information and position and deinterleaves RI letter
Breath obtains RI information finally, corresponding RI decoding algorithm is selected to decode to RI information is deinterleaved.
Step 204, the base station obtains scheduling message；
Further, when specific PRB carries PUCCH and PUSCH simultaneously, base station, which can generate and store a scheduling, to disappear
Breath, which records the resource location for having specific PRB, it is, of course, also possible to record the resource location of other PRB, this hair
Bright embodiment to this with no restriction.
Step 205, the PRB of corresponding resource position in the scheduling message is determined specific PRB by the base station；Wherein, institute
It states specific PRB while carrying PUCCH and PUSCH；
After base station gets the scheduling message, specific PRB is determined according to the resource location in scheduling message；By the resource
The PRB of position is determined as specific PRB, carries out further data processing to it.
In a kind of preferred embodiment of the embodiment of the present invention, the method also includes: when the specific PRB is carried simultaneously
When PUCCH and PUSCH, the base station stores scheduling message；Wherein, the scheduling message includes the money that the specific PRB pair is answered
Source position, i.e. base station can mark while carry the resource location of PUCCH and PUSCH, it should be noted that when institute in sub-frame of uplink
When the PUSCH resource needed is more than remaining assignable PRB number, then PUSCH user is distributed in base station in PUCCH resource, that is, permits
Perhaps specific PRB carries PUCCH and PUSCH simultaneously.
Step 206, the base station obtains the specific PRB according to the channel estimation parameter and first data information
The interference information of the PUSCH of carrying；
In practical application, after extracting the specific PRB, by base station according to channel estimation parameter and the first data information
The interference information for obtaining the PUSCH of specific PRB carrying, specifically, when the channel estimation parameter isAnd first data
Information isThen the interference information is
Step 207, the base station obtains corresponding second time domain data of the PUSCH according to the interference information；
It is specifically applied in the embodiment of the present invention, after interference information is converted specific frequency domain data by base station, then by its turn
Specific time domain data is turned to, finally, subtracting each other using initial time domain data and specific time domain data, it is corresponding that PUSCH can be obtained
The second time domain data can further obtain PUSCH carrying in this way, interference of the PUCCH to PUSCH can be eliminated
Data information.
Specifically, base station described in the embodiment of the present invention obtains the PUSCH corresponding the according to the interference information
The step of two time domain datas includes following sub-step:
Sub-step S2071, the base station carry out transmission operation for the interference information, obtain the specific frequency domain number
According to；
The specific frequency domain data is carried out IFFT, obtains specific time domain data by sub-step S2072, the base station；
Sub-step S2073, the initial time domain data and the specific time domain data are subtracted each other in the base station, described in acquisition
Second time domain data.
Step 208, the base station carries out FFT for second time domain data, obtains the second frequency domain data；
In the embodiment of the present invention, which carries out FFT processing to the second time domain data, obtains the second frequency domain data；Specifically
Ground, second frequency domain data are the information of PUSCH carrying, may include ascending control information and data information.
Step 209, the base station carries out reception operation for second frequency domain data, obtains the second data information.
Further, base station carries out reception operation to second frequency domain data, obtains the second data information, needs to illustrate
It is, when second data information is data information, to carry out channel estimation and channel equalization for the second frequency domain data, specifically
Ground can carry out channel estimation using LS algorithm or LMMSE algorithm, and carry out channel using ZF algorithm or serial interference algorithm
Equilibrium, after the second frequency domain data after channel equalization is carried out solution rate-matched, turbo decoding, decoding block segmentation, CRC check,
Obtain data information.
It should be noted that in embodiments of the present invention, different data informations needs to carry out different reception operations, this
Excessive limitation is not made in the concrete operations that inventive embodiments are docked in work of bringing drill to an end, also, above-mentioned citing should not be construed as this hair
The limitation of the reception operation of bright embodiment.
In the embodiment of the present invention, the base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include
Corresponding first frequency domain data of PUCCH；The base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；Institute
It states base station and reception operation is carried out to the PUCCH according to first frequency domain data and channel estimation parameter, obtain the first data
Information；The base station obtains scheduling message；The PRB of corresponding resource position in the scheduling message is determined as specific by the base station
PRB；Wherein, the specific PRB carries PUCCH and PUSCH simultaneously；The base station is according to the channel estimation parameter and described
One data information obtains the interference information of the PUSCH of the specific PRB carrying；The base station obtains institute according to the interference information
State corresponding second time domain data of PUSCH；The base station carries out FFT for second time domain data, obtains the second frequency domain number
According to；The base station carries out reception operation for second frequency domain data, obtains the second data information；In the embodiment of the present invention,
It carries PUCCH and PUSCH simultaneously in the same Physical Resource Block, improves LTE system uplink frequency spectrum resource utilization rate, promoted
The user of LTE cell perceives, and increases the user capacity of LTE cell.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 3, a kind of structural block diagram of the data processing equipment embodiment of base station of the embodiment of the present invention is shown, is had
Body may include following module:
Initial frequency-domain data acquisition module 301 obtains initial frequency-domain data for the base station；Wherein, the initial frequency
Numeric field data includes corresponding first frequency domain data of Physical Uplink Control Channel PUCCH；
Channel estimation parameter obtains module 302, carries out channel estimation for the PUCCH for the base station, is believed
Estimate parameter in road；
First data information obtains module 303, is joined for the base station according to first frequency domain data and channel estimation
It is several that reception operation is carried out to the PUCCH, obtain the first data information；
Extraction module 304 extracts specific Physical Resource Block PRB for the base station；Wherein, the specific PRB is simultaneously
Carry PUCCH and Physical Uplink Shared Channel PUSCH；
Interference information obtains module 305, believes for the base station according to the channel estimation parameter and first data
Breath obtains the interference information of the PUSCH of the specific PRB carrying；
Second time domain data obtains module 306, obtains the PUSCH according to the interference information for the base station and corresponds to
The second time domain data；
Second frequency domain data obtains module 307, carries out in quick Fu for the base station for second time domain data
Leaf transformation FFT obtains the second frequency domain data；
Second data information obtains module 308, carries out reception operation for second frequency domain data for the base station,
Obtain the second data information.
Preferably, the initial frequency-domain data acquisition module includes:
Initial time domain data obtain submodule, get initial time domain data for the base station；
Initial frequency-domain data obtain submodule, and initial time domain data are carried out frequency deviation compensation for the base station, go to recycle
Prefix CP and Fast Fourier Transform (FFT) FFT obtains the initial frequency-domain data.
Preferably, the extraction module includes:
Scheduling message acquisition submodule obtains scheduling message for the base station；
Specific PRB determines submodule, is determined as the PRB of corresponding resource position in the scheduling message for the base station
Specific PRB.
Preferably, the second time domain data acquisition module includes:
Specific frequency domain data obtains submodule, carries out transmission operation for the interference information for the base station, obtains
The specific frequency domain data；
Specific time domain data obtains submodule, for the base station that the specific frequency domain data progress fast Fourier is inverse
IFFT is converted, specific time domain data is obtained；
Second time domain data obtains submodule, is used for the base station for the initial time domain data and the specific time domain number
According to subtracting each other, second time domain data is obtained.
Preferably, described device further include:
Scheduling message storage module, for when the specific PRB carries PUCCH and PUSCH simultaneously, the base station to be stored
Scheduling message；Wherein, the scheduling message includes the resource location that the specific PRB pair is answered.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Data processing method to a kind of base station provided by the present invention and a kind of data processing equipment of base station above, into
It has gone and has been discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, the above implementation
The explanation of example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology people of this field
Member, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this explanation
Book content should not be construed as limiting the invention.
Claims (10)
1. a kind of data processing method of base station, which is characterized in that the described method includes:
The base station obtains initial frequency-domain data；Wherein, the initial frequency-domain data include PUCCH pairs of Physical Uplink Control Channel
The first frequency domain data answered；
The base station carries out channel estimation for the PUCCH, obtains channel estimation parameter；
The base station carries out reception operation to the PUCCH according to first frequency domain data and channel estimation parameter, obtains the
One data information；
The base station extracts specific Physical Resource Block PRB；Wherein, the specific PRB carries PUCCH simultaneously and physical uplink is total
Enjoy channel PUSCH；
The base station obtains the PUSCH of the specific PRB carrying according to the channel estimation parameter and first data information
Interference information；
The base station obtains corresponding second time domain data of the PUSCH according to the interference information；
The base station carries out Fast Fourier Transform (FFT) FFT for second time domain data, obtains the second frequency domain data；
The base station carries out reception operation for second frequency domain data, obtains the second data information.
2. the method according to claim 1, wherein the step of base station acquisition initial frequency-domain data, includes:
The base station gets initial time domain data；
Initial time domain data are carried out frequency deviation compensation, remove cyclic prefix CP and Fast Fourier Transform (FFT) FFT by the base station, obtain institute
State initial frequency-domain data.
3. the method according to claim 1, wherein the base station includes: the step of extracting specific PRB
The base station obtains scheduling message；
The PRB of corresponding resource position in the scheduling message is determined as specific PRB by the base station.
4. method according to claim 1 or 2, which is characterized in that the base station is according to described in interference information acquisition
The step of PUSCH corresponding second time domain data includes:
The base station carries out transmission operation for the interference information, obtains the specific frequency domain data；
The specific frequency domain data is carried out inverse fast Fourier transform IFFT by the base station, obtains specific time domain data；
The initial time domain data and the specific time domain data are subtracted each other in the base station, obtain second time domain data.
5. method according to claim 1,2 or 3, which is characterized in that the method also includes:
When the specific PRB carries PUCCH and PUSCH simultaneously, the base station stores scheduling message；Wherein, the scheduling disappears
Breath includes the resource location that the specific PRB pair is answered.
6. a kind of data processing equipment of base station, which is characterized in that described device includes:
Initial frequency-domain data acquisition module obtains initial frequency-domain data for the base station；Wherein, the initial frequency-domain data packet
Include corresponding first frequency domain data of Physical Uplink Control Channel PUCCH；
Channel estimation parameter obtains module, carries out channel estimation for the PUCCH for the base station, obtains channel estimation ginseng
Number；
First data information obtains module, for the base station according to first frequency domain data and channel estimation parameter to described
PUCCH carries out reception operation, obtains the first data information；
Extraction module extracts specific Physical Resource Block PRB for the base station；Wherein, the specific PRB is carried simultaneously
PUCCH and Physical Uplink Shared Channel PUSCH；
Interference information obtains module, obtains institute according to the channel estimation parameter and first data information for the base station
State the interference information of the PUSCH of specific PRB carrying；
Second time domain data obtains module, obtains the PUSCH corresponding second according to the interference information for the base station
Time domain data；
Second frequency domain data obtains module, carries out Fast Fourier Transform (FFT) for second time domain data for the base station
FFT obtains the second frequency domain data；
Second data information obtains module, carries out reception operation for second frequency domain data for the base station, obtains the
Two data informations.
7. device according to claim 6, which is characterized in that the initial frequency-domain data acquisition module includes:
Initial time domain data obtain submodule, get initial time domain data for the base station；
Initial frequency-domain data obtain submodule, and initial time domain data are carried out frequency deviation compensation for the base station, remove cyclic prefix
CP and Fast Fourier Transform (FFT) FFT obtains the initial frequency-domain data.
8. device according to claim 6, which is characterized in that the extraction module includes:
Scheduling message acquisition submodule obtains scheduling message for the base station；
Specific PRB determines submodule, is determined as the PRB of corresponding resource position in the scheduling message for the base station specific
PRB。
9. device according to claim 6 or 7, which is characterized in that second time domain data obtains module and includes:
Specific frequency domain data obtains submodule, transmission operation is carried out for the interference information for the base station, described in acquisition
Specific frequency domain data；
Specific time domain data obtains submodule, and the specific frequency domain data is carried out inverse fast Fourier transform for the base station
IFFT obtains specific time domain data；
Second time domain data obtains submodule, is used for the base station for the initial time domain data and the specific time domain data phase
Subtract, obtains second time domain data.
10. according to device described in claim 6,7 or 8, which is characterized in that described device further include:
Scheduling message storage module, for when the specific PRB carries PUCCH and PUSCH simultaneously, the base station storage to be dispatched
Message；Wherein, the scheduling message includes the resource location that the specific PRB pair is answered.
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