CN103856307B - A kind of method and apparatus for being used to determine the frequency deviation information through PUCCH received signals - Google Patents
A kind of method and apparatus for being used to determine the frequency deviation information through PUCCH received signals Download PDFInfo
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Abstract
It is an object of the invention to provide a kind of method and apparatus for being used to determine the frequency deviation information through PUCCH received signals.Frequency deviation determining device obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, at least one in pilot frequency information and data message of the channel-estimation information including the received signal；Delay relevant treatment is carried out to the channel-estimation information, so as to obtain one or more relevant informations；According at least one in the relevant information, the frequency deviation information corresponding to the received signal is determined.Compared with prior art, the present invention passes through to carrying out delay relevant treatment through the corresponding channel-estimation information of PUCCH received signals, so as to obtain one or more relevant informations, and according at least one in one or more of relevant informations, determine the frequency deviation information corresponding to the received signal；So as to obtain more accurately frequency deviation information according to present sub-frame, PUCCH demodulation performance is improved, and then improve systematic function.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of frequency deviation letter for being used to determine through PUCCH received signals
The technology of breath.
Background technology
PUCCH (Physical Uplink Control Channel, physical uplink control channel) receivers for
Frequency deviation is sensitive, if we can not obtain accurate offset estimation value for use as compensation, PUCCH performance will be reduced significantly.
Particularly, when in the processing procedure that user is initially accessed, due to no PUSCH (Physical Uplink Shared
Channel, physical uplink link shared channels) transmission, therefore be difficult to obtain to refer to offset estimation from other channels.And from RACH
(Random Access Channel, RACH) obtain frequency offset estimation result for PUCCH receivers not
It is accurate enough.Because PUCCH can not decode the ACK feedbacks of message 4, targeted customer may access failure.
The content of the invention
It is an object of the invention to provide a kind of method for being used to determine the frequency deviation information through PUCCH received signals with setting
It is standby.
According to an aspect of the invention, there is provided a kind of be used to determine the frequency deviation information through PUCCH received signals
Method, wherein, this method comprises the following steps：
A obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the channel-estimation information bag
Include at least one in the pilot frequency information and data message of the received signal；
B carries out delay relevant treatment to the channel-estimation information, so as to obtain one or more relevant informations；
C determines the frequency deviation corresponding to the received signal according at least one in one or more of relevant informations
Information.
According to another aspect of the present invention, additionally provide a kind of for determining the frequency deviation information through PUCCH received signals
Frequency deviation determining device, wherein, the device includes：
Acquiring unit, for obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the letter
At least one in pilot frequency information and data message of the road estimated information including the received signal；
Correlation unit, for carrying out delay relevant treatment to the channel-estimation information, so as to obtain one or more phases
Close information；
Frequency deviation determining unit, for according at least one in one or more of relevant informations, determining described received
Frequency deviation information corresponding to signal.
In accordance with a further aspect of the present invention, additionally provide a kind of for determining the frequency deviation information through PUCCH received signals
PUCCH receiving devices, including frequency deviation determining device as described above.
Compared with prior art, the present invention passes through to being carried out through the corresponding channel-estimation information of PUCCH received signals
Postpone relevant treatment, so that one or more relevant informations are obtained, and according in one or more of relevant informations at least one
It is individual, determine the frequency deviation information corresponding to the received signal；Believe so as to obtain more accurately frequency deviation according to present sub-frame
Breath, improves PUCCH demodulation performance, and then improve systematic function.Moreover, the present invention can also be to the channel-estimation information
Carry out delay disposal, the channel-estimation information after being postponed, described in obtaining after the delay for meeting demand
Channel-estimation information, so as to obtain more accurately frequency deviation information according to present sub-frame, improves PUCCH's to carry out relevant treatment
Demodulation performance, and then improve systematic function.Moreover, the present invention can also be at least one in one or more of relevant informations
Accumulation process is carried out, further, processing can also be weighted, further, can also be to needed for the weighting processing
Weight information be determined；So as to according to such as channel information or format information demand is based on, to different weights
Relevant information be weighted processing, to obtain more accurately frequency deviation information, improve PUCCH demodulation performance, and then improve
Systematic function.Moreover, the present invention can also utilize the frequency deviation information, processing is compensated to the received signal, and
Corresponding channel-estimation information is extracted from the received signal；It is achieved thereby that the received signal is compensated with
And the extraction of channel-estimation information, to complete the processing of channel frequency deviation compensation, improve systematic function.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows to be used to determine the frequency deviation information through PUCCH received signals according to a kind of of one aspect of the invention
Frequency deviation determining device schematic diagram；
Fig. 2 show in accordance with a preferred embodiment of the present invention it is a kind of be used for determine the frequency deviation through PUCCH received signals
The frequency deviation determining device schematic diagram of information；
Fig. 3 show according to a further aspect of the present invention it is a kind of be used for determine the frequency deviation information through PUCCH received signals
Method flow diagram；
Fig. 4 show in accordance with a preferred embodiment of the present invention it is a kind of be used for determine the frequency deviation through PUCCH received signals
The method flow diagram of information.
Same or analogous reference represents same or analogous part in accompanying drawing.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows to be used to determine the frequency deviation information through PUCCH received signals according to a kind of of one aspect of the invention
Frequency deviation determining device schematic diagram；Wherein, frequency deviation determining device includes acquiring unit 11, correlation unit 12, frequency deviation determining unit 13.
Specifically, acquiring unit 11 obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the channel is estimated
Count at least one in pilot frequency information and data message of the information including the received signal；12 pairs of channels of correlation unit are estimated
Count information and carry out delay relevant treatment, so as to obtain one or more relevant informations；Frequency deviation determining unit 13 is according to one
Or at least one in multiple relevant informations, determine the frequency deviation information corresponding to the received signal.Wherein, the frequency deviation is determined
Device includes but is not limited to arbitrarily realize the computing device or computing unit that the frequency deviation is calculated and determined.
Constantly worked between above-mentioned each device, here, it will be understood by those skilled in the art that " lasting " refers to
State each device respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out channel-estimation information
Obtain, postpone relevant treatment, determination of frequency deviation information etc., until frequency deviation determining device stops obtaining and receives letter through PUCCH
Number corresponding channel-estimation information.
Acquiring unit 11 obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the channel is estimated
Count at least one in pilot frequency information and data message of the information including the received signal.Specifically, acquiring unit 11 passes through
With being interacted with the Relational database through the corresponding channel-estimation information of PUCCH received signals, the channel is obtained
Estimated information；Or with the related device in PUCCH receivers, such as Deplexing apparatus interacts, and obtains and believes described receive
After number demultiplexing, and at least one in the corresponding pilot signal and data-signal of the reception signal, and then obtain described
At least one in the pilot frequency information and data message of received signal.Here, utilizingRepresent based on the pilot frequency information
Channel-estimation information, is utilizedRepresent the channel-estimation information based on the data；Wherein, i represents subcarrier sequence number, p tables
Show symbol sequence number, a represents reception antenna sequence number.Acquiring unit 11 is obtainedWithIn at least one information, for example,
When the signal format of received signal is 1/1a/1b, it can obtain simultaneouslyWithInformation；When received signal
When signal format is 2/2a/2b, can only it obtainInformation, without obtainingInformation etc..
12 pairs of the correlation unit channel-estimation information carries out delay relevant treatment, so as to obtain one or more related letters
Breath.Specifically, correlation unit 12 is by according to the channel-estimation information, by the tool of the channel-estimation information corresponding thereto
There is the channel-estimation information necessarily postponed to carry out relevant treatment, if for example, acquiring unit 11 is obtained based on the pilot tone respectively
The channel-estimation information of information and the channel-estimation information based on the data, then to the channel based on the pilot frequency information
Estimated information, with carrying out relevant treatment with necessarily postponing the channel-estimation information based on the pilot frequency information；To the base
In the data message channel-estimation information similarly, so as to obtain one or more relevant informations.After upper example, for example, utilizing
Represent with the channel-estimation information based on the pilot frequency information necessarily postponed, wherein, Δ p represents two intersymbol
Every；Here, according to growth over time, frequency deviation can cause the principle of the accumulation of phase：
(formula 1)
(formula 2)
So as to carry out delay relevant treatment to the channel-estimation information, then to the channel-estimation information based on pilot tone, have：
(formula 3)
To the channel-estimation information based on data, have：
(formula 4)
So as to obtain with the pilot frequency information sum it is believed that the corresponding one or more relevant informations of manner of breathing.
Frequency deviation determining unit 13 determines described received according at least one in one or more of related relevant informations
Frequency deviation information corresponding to signal.Specifically, frequency deviation determining unit 13 according in one or more of related relevant informations extremely
It is few one, the related relevant information is subjected to such as weighting and phase transition, so that it is determined that received signal institute is right
The frequency deviation information answered.Wherein, the determination includes but is not limited to first respectively be entered according to one or more of related relevant informations
Line phase conversion is obtained after being weighted with obtaining correspondence frequency deviation information；Or to one or more of related letters
After breath is weighted, then carry out phase transition acquisition frequency deviation.After upper example, for example, the frequency deviation determining unit 13 is first to described one
Individual or multiple related relevant informations are weighted, to obtain complex result：
(formula 5)
Here, wpilotWith wdataRepresent and the channel-estimation information based on pilot tone and the channel estimation based on data respectively
The corresponding weight information of information；Then, 13 pairs of the frequency deviation determining unit complex result carries out phase transition：
(formula 6)
By being multiplied by coefficient correlation, the frequency deviation information corresponding to the received signal is finally determined, here, the Tsym
For by the duration of the OFDM symbol of 3GPP protocol definitions.If here, when the signal format of received signal is 2/2a/2b
When, then wpilot=1, wdata=0.Here, when the Δ p is identical, the determination can be according to the mode or reality of system intialization
When the mode that sets, carry out phase transition to obtain correspondence frequency deviation information, and obtain the received signal institute after being weighted
Corresponding frequency deviation information, or after being weighted to one or more of related relevant informations, then carry out phase transition acquisition
Frequency deviation information corresponding to the received signal.When Δ p is different, the determination can be obtained pair with the conversion of advanced line phase
Answer frequency deviation information, and the frequency deviation information corresponding to the received signal is obtained after being weighted.
Preferably, the correlation unit 12 can carry out delay disposal to the channel-estimation information, to obtain after delay
The channel-estimation information；Relevant treatment is carried out to the channel-estimation information after the channel-estimation information and the delay,
So as to obtain one or more relevant informations.Specifically, the correlation unit 12 can according to system intialization or according to system
The relevant information for carrying out delay disposal that current signal information is determined, delay disposal is carried out to the channel-estimation information,
So as to the channel-estimation information after being postponedHere, because Δ p represents two intersymbol intervals, i.e.,
The symbol numbers of selected delay, therefore, Δ p value are smaller, then the frequency deviation that can be estimated is bigger, while precision is lower.Cause
This, can according to determining Δ p to demand of precision and scope etc. in the signal relevant information of such as received signal, practical application,
So as to according to the Δ pTsymTo determine to postpone information.
Preferably, the frequency deviation determining device also includes compensating unit (not shown), wherein, the compensating unit utilizes institute
Frequency deviation information is stated, processing is compensated to the received signal.Specifically, compensating unit utilizes the frequency deviation determining unit 13
Identified frequency deviation information, processing is compensated to received signal, so that the frequency deviation to the received signal is adjusted
It is whole.
Preferably, the acquiring unit 13 can be obtained through PUCCH received signals；Extracted from the received signal
Corresponding channel-estimation information, wherein, the pilot frequency information sum of the channel-estimation information including the received signal it is believed that
At least one in breath.Specifically, the acquiring unit 13 can be obtained through PUCCH received signals by various communication protocols；
And using mode is such as demultiplexed, channel corresponding with the pilot frequency information and data message is extracted from the received signal
Estimated information；Or by other extracting modes, only from the received signal extract with the pilot frequency information sum it is believed that
Cease one etc. in corresponding channel-estimation information.
Fig. 2 show in accordance with a preferred embodiment of the present invention it is a kind of be used for determine the frequency deviation through PUCCH received signals
The frequency deviation determining device schematic diagram of information；Wherein, frequency deviation determining device is true including acquiring unit 11 ', correlation unit 12 ', frequency deviation
Order member 13 ', the frequency deviation determining unit 13 includes summing elements 131 ' and determining unit 132 '.Specifically, acquiring unit 11 '
Obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the channel-estimation information is connect including described
At least one in the pilot frequency information and data message of the collection of letters number；Correlation unit 12 ' carries out delay phase to the channel-estimation information
Pass is handled, so as to obtain one or more relevant informations；Summing elements 131 ' in one or more of relevant informations at least
One progress accumulation process；Determining unit 132 ' determines that the received signal institute is right according to the relevant information after described add up
The frequency deviation information answered.
Constantly worked between above-mentioned each device, here, it will be understood by those skilled in the art that " lasting " refers to
State each device respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out channel-estimation information
Obtain, delay relevant treatment, the cumulative of relevant information, determination of frequency deviation information etc., until frequency deviation determining device stop obtaining with
Through the corresponding channel-estimation information of PUCCH received signals.
Summing elements 131 ' carry out accumulation process at least one in one or more of relevant informations.Specifically, tire out
Plus unit 131 ' is added at least one in the one or more relevant informations of acquisition acquired in correlation unit 12 '.Really
Order member 132 ' determines the frequency deviation information corresponding to the received signal according to the relevant information after described add up.Specifically,
Determining unit 132 ', for example, by modes such as phase transitions, determines the received signal by the relevant information after to adding up
Corresponding frequency deviation information.Here, frequency deviation determining unit 13 described in the determination mode and Fig. 1 of the determining unit 132 ' is really
Determine mode same or similar, here is omitted, and be incorporated herein in the form of reference.
Or, the frequency deviation determining unit 13 ' includes the (not shown) of candidate's frequency deviation determining unit 133 ' and candidate's frequency deviation is tired
Plus the (not shown) of unit 134 '；Wherein, candidate's frequency deviation determining unit 133 ' is determined in one or more of relevant informations
Candidate's frequency deviation information corresponding at least one；Candidate's frequency deviation summing elements 134 ' carry out cumulative place to candidate's frequency deviation information
Reason, to determine the frequency deviation information corresponding to the received signal.Specifically, candidate's frequency deviation determining unit 133 ' is by such as
The modes such as phase transition, it is determined that believing with candidate's frequency deviation corresponding at least one in one or more of relevant informations
Breath；Candidate's frequency deviation summing elements 134 ' determine that the received signal institute is right by being added up to candidate's frequency deviation information
The frequency deviation information answered.It is highly preferred that candidate's frequency deviation summing elements 134 ' can also be according to corresponding with the relevant information
Weight, such as weight and the related letter corresponding with the data message to relevant information that the pilot frequency information is corresponding
The weight of breath, is weighted to candidate's frequency deviation information, so that it is determined that the frequency deviation information corresponding to the received signal.
Preferably, when the channel-estimation information includes the pilot frequency information and the data message, the summing elements
131 ' can be according to the weight information of the weight information of the pilot frequency information and the data message, and to the pilot frequency information, institute is right
Relevant information corresponding to the relevant information answered and the data message is by weight accumulation process.Specifically, when stating channel estimation
Information includes the pilot frequency information and the data message, and the summing elements 131 ' can be adjusted by system intialization or in real time
The pilot frequency information weight information and the data message weight information, the correlation corresponding to the pilot frequency information is believed
Relevant information corresponding to breath and the data message presses weight accumulation process.After upper example, the processing added up as described by weight
Method is shown below：
(formula 7)
Generally, wdata=1-wpilot；When the signal format of received signal is 2/2a/2b, wpilot=1,
wdata=0；When the signal format of received signal is 1/1a/1b, wpilot=0.5, wdata=0.5.
Here, those skilled in the art will be understood that phase add operation performed by the summing elements 131 ' or by weight
The operation added up, and the operation that frequency deviation information is determined by phase transition performed by the determining unit 132 ', can
With basis in real time, or according to the mode of operation requirement of setting or real-time adjustment, the adjustment of execution sequence is carried out.As worked as
State Δ p it is identical when, the determination can be carried out phase transition to obtain according to the mode of system intialization or the mode set in real time
Correspondence frequency deviation information, and obtain the frequency deviation information corresponding to the received signal after being weighted, or to one or
After multiple related relevant informations are weighted, then carry out the frequency deviation information corresponding to the phase transition acquisition received signal.
When Δ p is different, the determination can obtain correspondence frequency deviation information with the conversion of advanced line phase, and obtain described after being weighted
Frequency deviation information corresponding to received signal.
It is highly preferred that the frequency deviation determining device also includes weight determining unit (not shown), wherein, the weight is determined
Unit determines the weight information and the data message of the pilot frequency information according to the signal relevant information of the received signal
Weight information.Specifically, the weight determining unit passes through the signal relevant information according to the received signal, such as signal
Form, translational speed etc., are determined to the weight information of the weight information and the data message of the pilot frequency information；Example
Such as, in the case of high-speed mobile, the estimate Δ f of pilot tone has higher reliability than the estimate of data, then wpilotShould
When the estimation according to velocity amplitude, 0.5 numerical value is set greater than.Speed is higher, wpilotValue it is higher.
Fig. 3 show according to a further aspect of the present invention it is a kind of be used for determine the frequency deviation information through PUCCH received signals
Method flow diagram.Specifically, in step s1, frequency deviation determining device obtain with through the corresponding letter of PUCCH received signals
Road estimated information, wherein, in pilot frequency information and data message of the channel-estimation information including the received signal at least
One；In step s2, frequency deviation determining device to the channel-estimation information carry out delay relevant treatment so that obtain one or
Multiple relevant informations；In step s3, frequency deviation determining device according at least one in one or more of relevant informations, it is determined that
Frequency deviation information corresponding to the received signal.
Constantly worked between above steps, here, it will be understood by those skilled in the art that " lasting " refers to
State each step respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out channel-estimation information
Obtain, postpone relevant treatment, determination of frequency deviation information etc., until frequency deviation determining device stops obtaining and receives letter through PUCCH
Number corresponding channel-estimation information.
In step s1, frequency deviation determining device obtain with through the corresponding channel-estimation information of PUCCH received signals, its
In, at least one in pilot frequency information and data message of the channel-estimation information including the received signal.Specifically, exist
In step s1, frequency deviation determining device by with the dependency number through the corresponding channel-estimation information of PUCCH received signals
Interacted according to storehouse, obtain the channel-estimation information；Or with the related device in PUCCH receivers, such as Deplexing apparatus
Interact, obtain after the reception signal is demultiplexed, the pilot signal corresponding with the reception signal and data-signal
In at least one, and then obtain at least one in the pilot frequency information and data message of the received signal.Here, utilizingThe channel-estimation information based on the pilot frequency information is represented, is utilizedRepresent the channel estimation letter based on the data
Breath；Wherein, i represents subcarrier sequence number, and p represents symbol sequence number, and a represents reception antenna sequence number.In step s1, frequency deviation determines dress
Put acquisitionWithIn at least one information, for example, when received signal signal format be 1/1a/1b when, can
To obtain simultaneouslyWithInformation；When the signal format of received signal is 2/2a/2b, can only it obtain
Information, without obtainingInformation etc..
In step s2, frequency deviation determining device carries out delay relevant treatment to the channel-estimation information, so as to obtain one
Individual or multiple relevant informations.Specifically, in step s2, frequency deviation determining device is by according to the channel-estimation information, by institute
State channel-estimation information corresponding thereto carry out relevant treatment with the channel-estimation information that necessarily postpones, if for example, in step
In rapid s1, frequency deviation determining device obtains the channel-estimation information based on the pilot frequency information and the letter based on the data respectively
Road estimated information, then to the channel-estimation information based on the pilot frequency information, with being led with what is necessarily postponed based on described
The channel-estimation information of frequency information carries out relevant treatment；To the channel-estimation information based on the data message similarly, from
And obtain one or more relevant informations.After upper example, for example, using representing with necessarily postponing based on the pilot frequency information
Channel-estimation information, wherein, Δ p represents two intersymbol intervals；Here, according to growth over time, frequency deviation can cause
The principle of the accumulation of phase：
(formula 8)
(formula 9)
So as to carry out delay relevant treatment to the channel-estimation information, then to the channel-estimation information based on pilot tone, have：
(formula 10)
To the channel-estimation information based on data, have：
(formula 11)
So as to obtain with the pilot frequency information sum it is believed that the corresponding one or more relevant informations of manner of breathing.
In step s3, frequency deviation determining device is according at least one in one or more of relevant informations, it is determined that described
Frequency deviation information corresponding to received signal.Specifically, in step s3, frequency deviation determining device is according to one or more of phases
At least one in information is closed, the relevant information such as weighting and phase transition is subjected to, so that it is determined that described receive letter
Frequency deviation information corresponding to number.Wherein, the determination includes but is not limited to first be distinguished according to one or more of relevant informations
Phase transition is carried out to obtain correspondence frequency deviation information, and obtain after being weighted；Or to one or more of relevant informations
After being weighted, then carry out phase transition acquisition frequency deviation.After upper example, for example, in step s3, frequency deviation determining device is first to described
One or more relevant informations are weighted, to obtain complex result：
(formula 12)
Here, wpilotWith wdataRepresent and the channel-estimation information based on pilot tone and the channel estimation based on data respectively
The corresponding weight information of information；Then, in step s3, frequency deviation determining device carries out phase transition to the complex result：
(formula 13)
By being multiplied by coefficient correlation, the frequency deviation information corresponding to the received signal is finally determined, here, the Tsym
For by the duration of the OFDM symbol of 3GPP protocol definitions.If here, when the signal format of received signal is 2/2a/2b
When, then wpilot=1, wdata=0.Here, when the Δ p is identical, the determination can be according to the mode or reality of system intialization
When the mode that sets, carry out phase transition to obtain correspondence frequency deviation information, and obtain the received signal institute after being weighted
Corresponding frequency deviation information, or after being weighted to one or more of related relevant informations, then carry out phase transition acquisition
Frequency deviation information corresponding to the received signal.When Δ p is different, the determination can be obtained pair with the conversion of advanced line phase
Answer frequency deviation information, and the frequency deviation information corresponding to the received signal is obtained after being weighted.
Preferably, in step s2, frequency deviation determining device can carry out delay disposal to the channel-estimation information, to obtain
The channel-estimation information after must postponing；Phase is carried out to the channel-estimation information after the channel-estimation information and the delay
Pass is handled, so as to obtain one or more relevant informations.Specifically, in step s2, frequency deviation determining device can be according to system
The relevant information for being used to carry out delay disposal that is preset or being determined according to system current signal information, believes the channel estimation
Breath carries out delay disposal, so that the channel-estimation information after being postponedHere, because Δ p represents two
Intersymbol interval, i.e., the symbol numbers of selected delay, therefore, Δ p value is smaller, then the frequency deviation that can be estimated is bigger,
Precision is lower simultaneously.Therefore, it can according to as in the signal relevant information of received signal, practical application to precision and scope
Demand etc. determines Δ p, so that according to the Δ pTsymTo determine to postpone information.
Preferably, the frequency deviation determining device also includes step s4 (not shown), wherein, in step s4, frequency deviation is determined
Device utilizes the frequency deviation information, and processing is compensated to the received signal.Specifically, in step s4, frequency deviation is determined
Device utilizes frequency deviation information determined by step s3, processing is compensated to received signal, so as to be connect to described
The frequency deviation of the collection of letters number is adjusted.
Preferably, in step s3, frequency deviation determining device can be obtained through PUCCH received signals；Received from described
Corresponding channel-estimation information is extracted in signal, wherein, the pilot tone that the channel-estimation information includes the received signal is believed
At least one in breath and data message.Specifically, in step s3, frequency deviation determining device can be obtained by various communication protocols
Learn from else's experience PUCCH received signals；And using mode is such as demultiplexed, extracted and the pilot frequency information from the received signal
Channel-estimation information corresponding with data message；Or by other extracting modes, only from the received signal extract with
One etc. in the corresponding channel-estimation information of the pilot frequency information and data message.
Fig. 4 show in accordance with a preferred embodiment of the present invention it is a kind of be used for determine the frequency deviation through PUCCH received signals
The method flow diagram of information.Specifically, in step s1 ', frequency deviation determining device obtains corresponding with through PUCCH received signals
Channel-estimation information, wherein, in the pilot frequency information and data message of the channel-estimation information including the received signal
At least one；In step s2 ', frequency deviation determining device carries out delay relevant treatment to the channel-estimation information, so as to obtain
One or more relevant informations；In step s31 ', frequency deviation determining device is in one or more of relevant informations at least one
Individual carry out accumulation process；In step s32 ', frequency deviation determining device determines described connect according to the relevant information after described add up
Frequency deviation information corresponding to the collection of letters number.
Constantly worked between above steps, here, it will be understood by those skilled in the art that " lasting " refers to
State each step respectively in real time, or according to the mode of operation requirement of setting or real-time adjustment, carry out channel-estimation information
Obtain, delay relevant treatment, the cumulative of relevant information, determination of frequency deviation information etc., until frequency deviation determining device stop obtaining with
Through the corresponding channel-estimation information of PUCCH received signals.
In step s31 ', frequency deviation determining device carries out cumulative place at least one in one or more of relevant informations
Reason.Specifically, in step s31 ', frequency deviation determining device is to the acquired one or more related letters of acquisition in step s2 '
At least one in breath is added.In step s32 ', frequency deviation determining device according to it is described it is cumulative after relevant information, it is determined that
Frequency deviation information corresponding to the received signal.Specifically, in step s32 ', frequency deviation determining device is by after to adding up
Relevant information for example, by modes such as phase transitions, determine the frequency deviation information corresponding to the received signal.Here, in step
In rapid s32 ', step s3 determination mode is same or similar described in the determination mode and Fig. 3 of frequency deviation determining device, herein no longer
Repeat, and be incorporated herein in the form of reference.
Or, the step s31 ' (can not shown with the step s32 ' by step s33 ' (not shown) with step s34 '
Go out) replaced：Wherein, in step s33 ', frequency deviation determining device determines at least one in one or more of relevant informations
Corresponding candidate's frequency deviation information；In step s34 ', frequency deviation determining device carries out accumulation process to candidate's frequency deviation information,
To determine the frequency deviation information corresponding to the received signal.Specifically, in step s33 ', frequency deviation determining device passes through such as phase
Position conversion etc. mode, it is determined that with candidate's frequency deviation information corresponding at least one in one or more of relevant informations；
In step s34 ', frequency deviation determining device determines the received signal institute by being added up to candidate's frequency deviation information
Corresponding frequency deviation information.It is highly preferred that in step s34 ', frequency deviation determining device can also be according to relative with the relevant information
The weight answered, such as to the weight of relevant information that the pilot frequency information is corresponding and with corresponding related of the data message
The weight of information, is weighted to candidate's frequency deviation information, so that it is determined that the frequency deviation information corresponding to the received signal.
Preferably, when the channel-estimation information includes the pilot frequency information and the data message, in step s31 ',
Frequency deviation determining device can be according to the weight information of the weight information of the pilot frequency information and the data message, to the pilot tone
The relevant information corresponding to relevant information and the data message corresponding to information presses weight accumulation process.Specifically, when stating
Channel-estimation information includes the pilot frequency information and the data message, and in step s31 ', frequency deviation determining device can pass through
The weight information of system intialization or the pilot frequency information adjusted in real time and the weight information of the data message, to the pilot tone
The relevant information corresponding to relevant information and the data message corresponding to information presses weight accumulation process.After upper example, such as institute
The processing method added up by weight is stated to be shown below：
(formula 14)
Generally, wdata=1-wpilot；When the signal format of received signal is 2/2a/2b, wpilot=1,
wdata=0；When the signal format of received signal is 1/1a/1b, wpilot=0.5, wdata=0.5.
Here, those skilled in the art will be understood that phase add operation performed by the step s31 ' or be carried out by weight
Cumulative operation, and the operation that frequency deviation information is determined by phase transition performed by the step s32 ', can be according to reality
Shi Di, or according to the mode of operation requirement of setting or real-time adjustment, carry out the adjustment of execution sequence.Such as when the Δ p phases
Meanwhile, the determination can be carried out phase transition to obtain correspondence frequency according to the mode of system intialization or the mode set in real time
Believed one side only breath, and the frequency deviation information corresponding to the received signal is obtained after being weighted, or to one or more of phases
After pass relevant information is weighted, then carry out the frequency deviation information corresponding to the phase transition acquisition received signal.When Δ p not
Meanwhile, the determination can obtain correspondence frequency deviation information with the conversion of advanced line phase, and obtain described received after being weighted
Frequency deviation information corresponding to signal.
It is highly preferred that the frequency deviation determining device also includes step s5 ' (not shown), wherein, in step s5 ', frequency deviation
Determining device determines the weight information and the data of the pilot frequency information according to the signal relevant information of the received signal
The weight information of information.Specifically, in step s5 ', frequency deviation determining device root passes through the signal according to the received signal
Relevant information, such as signal format, translational speed, believe with the weight of the data message the weight information of the pilot frequency information
Breath is determined；For example, in the case of high-speed mobile, the estimate Δ f of pilot tone can with higher than the estimate of data
By property, then wpilotAccording to the estimation of velocity amplitude, 0.5 numerical value should be set greater than.Speed is higher, wpilotValue it is higher.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.This
Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (11)
1. a kind of method for being used to determine the frequency deviation information through PUCCH received signals, wherein, this method comprises the following steps：
A obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the channel-estimation information includes institute
State the pilot frequency information and data message of received signal；
B carries out delay relevant treatment to the channel-estimation information, so as to obtain multiple relevant informations；
C determines the frequency deviation information corresponding to the received signal according to the multiple relevant information；
Wherein, the step c includes：
C1 is according to the weight information of the pilot frequency information and the weight information of the data message, to corresponding to the pilot frequency information
Relevant information and the data message corresponding to relevant information press weight accumulation process；According to the related letter after described add up
Breath, determines the frequency deviation information corresponding to the received signal；
Or, the step c includes：
Determine candidate's frequency deviation information corresponding to the relevant information；According to the relevant information corresponding with the pilot frequency information
The weight of weight and the relevant information corresponding with the data message, couple candidate corresponding with the relevant information
Frequency deviation information carries out accumulation process, to determine the frequency deviation information corresponding to the received signal.
2. according to the method described in claim 1, wherein, the step b includes：
Delay disposal is carried out to the channel-estimation information, with the channel-estimation information after being postponed；
Relevant treatment is carried out to the channel-estimation information after the channel-estimation information and the delay, so as to obtain multiple correlations
Information.
3. according to the method described in claim 1, wherein, this method also includes：
According to the signal relevant information of the received signal, the weight information and the data message of the pilot frequency information are determined
Weight information.
4. according to the method in any one of claims 1 to 3, wherein, this method also includes：
Using the frequency deviation information, processing is compensated to the received signal.
5. according to the method in any one of claims 1 to 3, wherein, the step a includes：
Obtain through PUCCH received signals；
Corresponding channel-estimation information is extracted from the received signal, wherein, the channel-estimation information includes the institute
Receive the pilot frequency information and data message of signal.
6. a kind of frequency deviation determining device for being used to determine the frequency deviation information through PUCCH received signals, wherein, the device includes：
Acquiring unit, for obtain with through the corresponding channel-estimation information of PUCCH received signals, wherein, the channel is estimated
Meter information includes the pilot frequency information and data message of the received signal；
Correlation unit, for carrying out delay relevant treatment to the channel-estimation information, so as to obtain multiple relevant informations；
Frequency deviation determining unit, for according to the multiple relevant information, determining the frequency deviation information corresponding to the received signal；
Wherein, the frequency deviation determining unit includes summing elements and determining unit, wherein, the summing elements are used for according to described
The weight information of the weight information of pilot frequency information and the data message, to the relevant information corresponding to the pilot frequency information and institute
The relevant information corresponding to data message is stated by weight accumulation process；The determining unit is used for according to the correlation after described add up
Information, determines the frequency deviation information corresponding to the received signal；
Or, wherein, the frequency deviation determining unit includes candidate's frequency deviation determining unit and candidate's frequency deviation summing elements, wherein, institute
Stating candidate's frequency deviation determining unit is used to determine candidate's frequency deviation information corresponding to the relevant information；Candidate's frequency deviation is cumulative single
Member be used for according to the weight to relevant information that the pilot frequency information is corresponding and with corresponding related of the data message
The weight of information, pair candidate frequency deviation information corresponding with the relevant information carries out accumulation process, to determine the institute
Receive the frequency deviation information corresponding to signal.
7. frequency deviation determining device according to claim 6, wherein, the correlation unit is used for：
Delay disposal is carried out to the channel-estimation information, with the channel-estimation information after being postponed；
Relevant treatment is carried out to the channel-estimation information after the channel-estimation information and the delay, so as to obtain multiple correlations
Information.
8. frequency deviation determining device according to claim 6, wherein, the device also includes：
Weight determining unit, for the signal relevant information according to the received signal, determines the weight of the pilot frequency information
Information and the weight information of the data message.
9. the frequency deviation determining device according to any one of claim 6 to 8, wherein, the device also includes：
Compensating unit, for utilizing the frequency deviation information, processing is compensated to the received signal.
10. the frequency deviation determining device according to any one of claim 6 to 8, wherein, the acquiring unit is used for：
Obtain through PUCCH received signals；
Corresponding channel-estimation information is extracted from the received signal, wherein, the channel-estimation information includes the institute
Receive the pilot frequency information and data message of signal.
11. a kind of PUCCH receiving devices for being used to determine the frequency deviation information through PUCCH received signals, including such as claim 6
To the frequency deviation determining device any one of 10.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101184075A (en) * | 2007-12-13 | 2008-05-21 | 华为技术有限公司 | Frequency deviation compensation method and device |
| CN102075460A (en) * | 2009-11-20 | 2011-05-25 | 中兴通讯股份有限公司 | Frequency offset estimating method and device based on data |
| CN102325119A (en) * | 2011-09-19 | 2012-01-18 | 武汉邮电科学研究院 | Joint estimation method of time deviation and frequency deviation |
| WO2012062088A1 (en) * | 2010-11-11 | 2012-05-18 | 中兴通讯股份有限公司 | Method and equipment for decoding up-link control channel |
| CN102468911A (en) * | 2010-11-11 | 2012-05-23 | 中兴通讯股份有限公司 | Decoding method of PUCCH and apparatus thereof |
-
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- 2012-12-05 CN CN201210517151.5A patent/CN103856307B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101184075A (en) * | 2007-12-13 | 2008-05-21 | 华为技术有限公司 | Frequency deviation compensation method and device |
| CN102075460A (en) * | 2009-11-20 | 2011-05-25 | 中兴通讯股份有限公司 | Frequency offset estimating method and device based on data |
| WO2012062088A1 (en) * | 2010-11-11 | 2012-05-18 | 中兴通讯股份有限公司 | Method and equipment for decoding up-link control channel |
| CN102468911A (en) * | 2010-11-11 | 2012-05-23 | 中兴通讯股份有限公司 | Decoding method of PUCCH and apparatus thereof |
| CN102325119A (en) * | 2011-09-19 | 2012-01-18 | 武汉邮电科学研究院 | Joint estimation method of time deviation and frequency deviation |
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