CN106060973B - A kind of method, apparatus of signal processing and base station - Google Patents
A kind of method, apparatus of signal processing and base station Download PDFInfo
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- CN106060973B CN106060973B CN201610537124.2A CN201610537124A CN106060973B CN 106060973 B CN106060973 B CN 106060973B CN 201610537124 A CN201610537124 A CN 201610537124A CN 106060973 B CN106060973 B CN 106060973B
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- uplink signal
- array antenna
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- module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The invention discloses a kind of base stations, comprising: array antenna and baseband processing unit BBU, array antenna include n receiving port, and n is the positive integer greater than 3；Array antenna is used to receive uplink signal by m receiving port in n receiving port；BBU is demodulated for obtaining the first uplink signal and the second uplink signal according to the first uplink signal, carries out uplink scheduling according to the second uplink signal；Wherein, first uplink signal is to pass through the received uplink signal of m receiving port, m is greater than q, and it is not more than the positive integer of n, q is the quantity of the downlink wave beam of array antenna, and the second uplink signal is the uplink signal for obtain after digital excipient to the first uplink signal according to the down direction figure of array antenna.Base station provided in an embodiment of the present invention, improves the utilization rate of antenna uplink performance, and the cell where ensure that user equipment will not be by strong jamming, to there is available resources that can be scheduled.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of method, apparatus of signal processing and base station.
Background technique
It is current widely applied with more sector networkings are covered frequently, generally use the splitting antenna or active antenna system of multiple row
(Active Antenna System AAS), downlink use more sectors, and each sector of uplink at most uses 2Rx, that is, two
Receiving port receives, but the practical port number that can receive of multiple row antenna is greater than sector number multiplied by 2Rx.Such as: by taking four array antennas as an example,
Four array antennas can there are two sectors, therefore upper guild uses four receiving ports, but in fact, four array antennas have 8 receiving ends
Mouthful, it thus can be there are four the receiving port uplink free time, therefore, existing scheme is not used the ascending performance of multiple row antenna most
It is good.
Summary of the invention
Ascending performance utilization rate in order to solve the problems, such as antenna in the prior art is low, and the embodiment of the present invention provides a kind of letter
Number processing method, apparatus and base station, can by all receiving ports of antenna receive uplink signal, to improve day
The utilization rate of line ascending performance, improves up-link capacity.
First aspect present invention provides a kind of base station, which includes array antenna and baseband processing unit (Base band
Unite, BBU), which includes n receiving port, and n is the positive integer greater than 3；The array antenna is used to connect by n
M receiving port in receiving end mouth receives uplink signal；BBU is for obtaining the first uplink signal and the second uplink signal, and root
It is demodulated according to the first uplink signal, uplink scheduling is carried out according to the second uplink signal；Wherein, the first uplink signal is to pass through m
A received uplink signal of receiving port, m are the positive integer greater than q, and no more than n, and q is the number of the downlink wave beam of array antenna
Amount, the second uplink signal are upper to obtaining after the digital excipient of the first uplink signal progress according to the down direction figure of array antenna
Row signal.It can be seen that from the above first aspect and uplink signal received by the receiving port more than downlink wave beam, to improve
The utilization rate of antenna uplink performance, and the signal for being used to dispatch and the signal isolation for being used to demodulate are opened, the letter for demodulation
Number uplink signal originally received using receiving port, the signal for scheduling, which is used, carries out digital excipient according to down direction figure
Uplink signal afterwards, the cell where ensure that user equipment will not be by strong jamming, to there is available resources that can be scheduled.
With reference to first aspect, in the first possible implementation, which further includes digital excipient module；Number is assigned
Pattern block is used to carry out digital excipient to the first uplink signal according to the down direction figure of array antenna to obtain the second uplink signal；
BBU is used to obtain the second uplink signal from the digital excipient module.From the first possible implementation of above-mentioned first aspect
In as can be seen that digital excipient module can for the primary reception of uplink receiving port the first uplink signal according to down direction figure
Carry out digital excipient, the second uplink signal after then obtaining excipient, so that cell where ensure that user equipment will not be by
Strong jamming, to there is available resources that can be scheduled.
With reference to first aspect, in the second possible implementation, BBU is used for the down direction figure according to array antenna
Digital excipient is carried out to first uplink signal and obtains second uplink signal.It is possible from second of above-mentioned first aspect
As can be seen that BBU can be the first uplink signal of uplink receiving port primary reception according to down direction figure in implementation
Carry out digital excipient, the second uplink signal after then obtaining excipient, so that cell where ensure that user equipment will not be by
Strong jamming, to there is available resources that can be scheduled.
The first possible implementation with reference to first aspect, in the third possible implementation, base station further includes
Radio-frequency module, digital excipient module are integrated on the radio-frequency module.From the third possible implementation of above-mentioned first aspect
In as can be seen that be integrated with the function of digital excipient module on radio-frequency module, can be the of the primary reception of uplink receiving port
One uplink signal carries out digital excipient according to down direction figure, the second uplink signal after then obtaining excipient, to ensure that
Cell where user equipment will not be by strong jamming, to there is available resources that can be scheduled.
Second aspect of the present invention provides a kind of method of signal processing, and this method is applied to base station, which includes array
Antenna and baseband processing unit BBU, array antenna include n receiving port, and n is the positive integer greater than 3, this method comprises: BBU
Obtain the first uplink signal and the second uplink signal；Wherein, the first uplink signal is to be believed by the received uplink of m receiving port
Number, m be greater than q, and be not more than n positive integer, q be array antenna downlink wave beam quantity, the second uplink signal be according to
The down direction figure of array antenna carries out the uplink signal obtained after digital excipient to the first uplink signal；BBU is according on first
Row signal is demodulated；BBU carries out uplink scheduling according to the second uplink signal.It can be seen that from the above second aspect and pass through ratio
Receiving port more than downlink wave beam receives uplink signal, to improve the utilization rate of antenna uplink performance, and will be used to dispatch
Signal and signal isolation for demodulation open, the uplink signal that the signal for demodulation uses receiving port to originally receive is used
The uplink signal after carrying out digital excipient according to down direction figure is used in the signal of scheduling, ensure that small where user equipment
It area will not be by strong jamming, to there is available resources that can be scheduled.
In conjunction with second aspect, in the first possible implementation, which further includes digital excipient module, and above-mentioned
Two aspect in step BBU obtain the second uplink signal, comprising: BBU from digital excipient module obtain the second uplink signal, second
Uplink signal is after carrying out digital excipient to the first uplink signal according to the down direction figure of array antenna by digital excipient module
It obtains.As can be seen that digital excipient module can connect for uplink from the first possible implementation of above-mentioned first aspect
First uplink signal of receiving end mouth primary reception carries out digital excipient according to down direction figure, on second after then obtaining excipient
Row signal, so that the cell where ensure that user equipment will not be by strong jamming, to there is available resources that can be scheduled.
In conjunction with second aspect, in the second possible implementation, which obtains the second uplink signal, comprising: BBU
Digital excipient is carried out to the first uplink signal according to the down direction figure of array antenna and obtains the second uplink signal.From above-mentioned first
As can be seen that BBU can believe for the first uplink of uplink receiving port primary reception in second of aspect possible implementation
Number digital excipient is carried out according to down direction figure, the second uplink signal after then obtaining excipient, to ensure that user equipment
The cell at place will not be by strong jamming, to there is available resources that can be scheduled.
Third aspect present invention provides a kind of device for inquiring Base-Band Processing, which is configured to realize above-mentioned second aspect
Or the function of method provided by any optional implementation of second aspect, it is realized by hardware/software, hardware/software packet
Include unit corresponding with above-mentioned function.
Fourth aspect present invention provides a kind of computer storage medium, which is stored with above-mentioned second party
The processing routine of the signal processing of face or any optional implementation of second aspect.
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 skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a structural schematic diagram of array antenna；
Fig. 2 is a structural schematic diagram of base station in the embodiment of the present invention；
Fig. 3 is the directional diagram of downlink wave beam in the embodiment of the present invention；
Fig. 4 is another structural schematic diagram of base station in the embodiment of the present invention；
Fig. 5 is another structural schematic diagram of base station in the embodiment of the present invention；
Fig. 6 is the triplet splitting directional diagram of downlink wave beam in the embodiment of the present invention；
Fig. 7 is the directional diagram of uplink beam in the embodiment of the present invention；
Fig. 8 is the embodiment schematic diagram that scene is wirelessly communicated in the embodiment of the present invention；
Fig. 9 is an embodiment schematic diagram of uplink signal treatment process in the embodiment of the present invention；
Figure 10 is that uplink emulates schematic diagram in the embodiment of the present invention；
Figure 11 is an embodiment schematic diagram of the method for signal processing in the embodiment of the present invention；
Figure 12 is an embodiment schematic diagram of the device of Base-Band Processing in the embodiment of the present invention；
Figure 13 is another embodiment schematic diagram of the device of Base-Band Processing in the embodiment of the present invention；
Figure 14 is another embodiment schematic diagram of the device of Base-Band Processing in the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides method, apparatus and the base station of a kind of signal processing, can be connect by all of antenna
Receiving end mouth receives uplink signal and improves up-link capacity to improve the utilization rate of antenna uplink performance.It carries out individually below
It is described in detail.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
The technologies such as active antenna system (Active Antenna System, AAS) or splitting antenna are in horizontal plane or hang down
It faces directly uplink beam and downlink wave beam all while cleaving, and be configured to different logic districts, multiple cells are formed with frequency
Sector splitting, code resource and power resource all increase at double, can bring mentioning for uplink cells and downlink cell average throughput
It rises, to obtain capacity gain simultaneously in uplink and downlink.
In current communication network, user equipment selects optimal service cell, up direction figure generally according to downlink signal
It is consistent with down direction figure needs, just can guarantee will not introduce uplink and downlink imbalance problem.But current this processing
Although mode up direction figure and down direction figure, which are consistent, solves the problems, such as that uplink and downlink are unbalanced, will cause
The utilization rate of uplink receiving port is low.
As shown in Figure 1, having 8 receiving ports, but 4 array shown in FIG. 1 by taking 4 array poliarizing antenna shown in FIG. 1 as an example
Poliarizing antenna can be only formed 2 sectors, and each sector of uplink at most uses 2Rx, that is, two receiving ports to receive, therefore, 8
A receiving port can only use 4, and utilization rate only has 50%.
In order to improve the utilization rate of uplink receiving port, up-link capacity is improved, the embodiment of the present invention provides one kind such as Fig. 2 institute
The base station shown.
As shown in Fig. 2, base station provided in an embodiment of the present invention includes array antenna 10, digital excipient module 20, at base band
Manage unit (Base band Unite, BBU) 30, array antenna 10, digital excipient (Digital Beam forming, DBF) mould
It is communicated to connect between block 20 and BBU30.
BBU30 includes demodulation module 301 and scheduler module 302.
It is illustrated by taking the array antenna of 4 column as an example in Fig. 2, in fact, the number of arrays of array antenna shown in Fig. 2 may be used also
To be other numerical value.One array may include two receiving ports, moreover, only one is shown in Figure 1 array antenna, practical
On, it may include multiple array antennas in a base station, the principle of each array antenna is similar, so with one in Fig. 2
It is illustrated for a.
Base station may include: to the treatment process of uplink signal
Array antenna 10 is used to receive uplink signal by m receiving port in n receiving port；
BBU is demodulated for obtaining the first uplink signal and the second uplink signal according to first uplink signal,
Uplink scheduling is carried out according to second uplink signal；
Wherein, first uplink signal be by the received uplink signal of m receiving port, the m for greater than q, and
Positive integer no more than n, the q are the quantity of the downlink wave beam of the array antenna, and second uplink signal is according to institute
The down direction figure for stating array antenna carries out the uplink signal obtained after digital excipient to first uplink signal.
DBF module 20 is used to carry out digital tax to first uplink signal according to the down direction figure of the array antenna
Type obtains second uplink signal；
BBU30 is used to obtain second uplink signal from the digital excipient module.
By taking content shown in Fig. 2 as an example, array antenna 10 has 4 column, then n is equal to 8, and array antenna 10 can be formed under 2
Traveling wave beam, then q is equal to 2, and therefore, m is greater than 2 in this example, and is not more than 8.If in the example, m is equal to 8, then array antenna
10 8 receiving ports all have received uplink signal, indicate this 8 received uplink signals of receiving port with 8R, that is, use
8R indicates the first uplink signal.8 receiving ports are all used to receive uplink signal, greatly improve the benefit of uplink receiving port
With rate, up-link capacity is improved.
Base station can carry out both sides processing to 8R.It on the one hand is that the demodulation module 301 that 8R is sent into BBU30 solves
It adjusts.It on the other hand is that 8R is sent into DBF module 20, DBF module 20 can be according to the down direction figure of the array antenna 10 to institute
It states the digital excipient of the first uplink signal progress and obtains second uplink signal.
First uplink signal is 8R, and down direction figure can be understood refering to Fig. 3, according to down direction shown in Fig. 3
Figure carries out available the second uplink signal identified with 2R after digital excipient.
The 2R scheduler module 302 for being sent into BBU30 is scheduled.
It is demodulated with 8R, can correctly demodulate the uplink signal received, be scheduled with 2R, ensure that under
Capable balance avoids the strong jamming to the cell where UE, to ensure that the resource that can be dispatched.
Compared with the utilization rate of the uplink port of array antenna in the prior art is low, base station provided in an embodiment of the present invention,
Uplink signal is received by the receiving port more than downlink wave beam, to improve the utilization rate of antenna uplink performance, and will be used
Signal in scheduling and the signal isolation for demodulation are opened, the uplink letter that the signal for demodulation is originally received using receiving port
Number, the signal for scheduling uses the uplink signal after carrying out digital excipient according to down direction figure, ensure that user equipment institute
Cell will not be by strong jamming, to there is available resources that can be scheduled.
In addition, framework shown in Fig. 2 is only intended to realize a kind of base station architecture of the process of signal processing of the present invention, it is practical
On, Fig. 4 and base station architecture shown in fig. 5 can realize the process of signal processing above-mentioned in the embodiment of the present invention.
As shown in figure 4, base station further includes radio-frequency module 40, the DBF module 20 is integrated on radio-frequency module 40.Radio frequency mould
Block 40 can be Remote Radio Unit (Remote Radio Unit, RRU) RRU, be also possible to other radio frequency units.
As shown in figure 5, DBF module 20 is integrated on BBU30, which be can be through the above-mentioned number of software realization
The function of word excipient is also possible to realize the function of above-mentioned digital excipient by way of circuit.
Be described in figure 2 above to Fig. 5 four column array antenna carried out two wave beams splitting, actually four column arrays
Antenna can also accomplish that downlink carries out three wave beams splitting vertically and horizontally, and uplink is received using eight receiving ports.As shown in fig. 6,
For the downlink wave beam schematic diagram of three wave beams splitting.Fig. 7 is uplink beam schematic diagram.
Fig. 8 is the wireless communication schematic diagram of base station and user equipment (User Equipment, UE).
It include base station 1 and base station 2 in communication system as shown in Figure 8, base station 1 is configured with three cells, respectively cell 1
(cell1), cell 2 (cell2) and cell 3 (cell3), base station 2 are configured with a cell 4 (cell4), UE1 be located at cell 1,
UE2 is located at cell 2, UE3 is located at cell 3 and UE4 is located at cell 4, wherein the up direction figure and down direction figure of base station 2
Unanimously.The up direction figure and down direction figure of base station 1 are inconsistent.Therefore, in conjunction with Fig. 9, illustrate by taking base station 1 as an example of the invention real
Apply the treatment process of signal in example.
By taking UE1 as an example, UE1 sends uplink signal to base station 1, and the array antenna of four column has 8 receiving ports, and base station 1 is logical
It crosses 8 receiving ports and receives the uplink signal that UE1 is sent, each column a period of time has only drawn a signal line out in Fig. 9, but does not have actually
All there are two ports to receive uplink signal for array, so, Fig. 9 should not be interpreted as to only 4 road signals, as shown in Figure 9
, array antenna receives original uplink signal according to uplink beam.Then on the one hand the 8R original uplink signal is sent to base
Tape handling unit is demodulated, and the original uplink signal of the 8R is on the other hand carried out digital excipient, the uplink after obtaining excipient
Signal, as shown in figure 9, excipient is to carry out excipient according to the directional diagram of downlink wave beam.Thus it is guaranteed that uplink and downlink balances, make
Cell where obtaining UE1 will not be by strong jamming, to there is available resources that can be scheduled.
After the scheme different from the directional diagram of downlink of uplink provided by the embodiment of the present invention, to the base of various situations
Station has carried out emulation experiment, and experimental result is as shown in Figure 10.
As shown in Figure 10, simulation object includes the base station of 3 sector of downlink, 9 sector base stations of 6 sector base stations of downlink and downlink,
Wherein, 3sec_2Rx is existing common base station in Figure 10, and 3sec indicates 3 sector of downlink, and 2Rx indicates each sector uplink two
It receives, on the basis of the 3sec_2Rx, then the uplink gain of the base station 3sec_2Rx is 100%.In Figure 10 6sec_2*2Rx be by
Cleave the base station of antenna composition, 6sec indicates 6 sector of downlink, and 2*2Rx indicates that each sector uplink there are 2 two receipts, in Figure 10
Simulation result shows that the uplink gain of the base station 6sec_2*2Rx is 226.26%.6sec table in the 6sec_8RxNo DLBF of Figure 10
Show 6 sectors of downlink, 8Rx indicates that each sector uplink 8 is received, and No DLBF indicates that uplink scheduling has no basis downlink excipient, Figure 10
The uplink gain of the middle display base station 6sec_8RxNo DLBF is 281.47%.In the 6sec_8RxDLBF of Figure 10 under 6sec expression
6 sectors of row, 8Rx indicate that each sector uplink 8 is received, and DLBF indicates uplink scheduling foundation downlink excipient, show 6sec_ in Figure 10
The uplink gain of the base station 8Rx DLBF is 326.66%.9sec indicates 9 sectors of downlink, 8Rx in the 9sec_8Rx DLBF of Figure 10
Indicate that each sector uplink 8 is received, DLBF indicates uplink scheduling foundation downlink excipient, shows the base station 9sec_8Rx DLBF in Figure 10
Uplink gain be 316.68%.Therefore, as can be seen that the uplink of the base station 6sec_8Rx DLBF increases from above-mentioned simulation result
Beneficial highest, that is, excipient, and the increasing that the mode of the receipts of uplink 8 obtains are carried out doing the directional diagram that digital excipient is foundation downlink
It is beneficial maximum.
In the embodiment of the present invention, uplink and downlink data flow is carried out according to different directional diagrams by base band or radio frequency different
Weight excipient；Such as downlink using splitting directional diagram form more sectors while, the wide wave of original antenna of antenna can be used in uplink
Shu Jinhang uplink receiving, to maximally utilize uplink antenna port number, antenna channels maximum resource utilization guarantees downlink performance
While, promote up-link capacity and covering；By taking four array antennas as an example, capacity gain highest 200% covers gain highest 5dB.
In addition, isolated scheme is dispatched in demodulation, demodulation is collected mail number more using the original broad beam of uplink, scheduling use according to
Down direction figure carries out digital excipient.The program can solve uplink and downlink imbalance problem.When guaranteeing that uplink and downlink wave beam is inconsistent, on
Row is schedulable.
And above-mentioned described base station, the embodiment of the invention also provides a kind of methods of signal processing, are applied to base
It stands, the base station includes array antenna and baseband processing unit BBU, and the array antenna includes n receiving port, and the n is
Positive integer greater than 3.As shown in figure 11, the method for signal processing provided in an embodiment of the present invention includes: with embodiment
501, BBU obtains the first uplink signal and the second uplink signal；Wherein, first uplink signal is by m
The received uplink signal of receiving port, the m are the positive integer greater than q, and no more than n, and the q is under the array antenna
The quantity of traveling wave beam, second uplink signal are the down direction figure according to the array antenna to first uplink signal
Carry out the uplink signal obtained after digital excipient.
502, BBU is demodulated according to first uplink signal.
503, BBU carries out uplink scheduling according to second uplink signal.
Compared with the utilization rate of the uplink port of array antenna in the prior art is low, at signal provided in an embodiment of the present invention
The method of reason receives uplink signal by the receiving port more than downlink wave beam, to improve the utilization of antenna uplink performance
Rate, and the signal for being used to dispatch and the signal isolation for being used to demodulate are opened, the signal for demodulation is initially connect using receiving port
The uplink signal of receipts, the signal for scheduling use the uplink signal after carrying out digital excipient according to down direction figure, ensure that
Cell where user equipment will not be by strong jamming, to there is available resources that can be scheduled.
Optionally, the base station further includes digital excipient module, and the BBU obtains the second uplink signal, comprising:
The BBU obtains second uplink signal from the digital excipient module, and second uplink signal is by institute
It states after digital excipient module carries out digital excipient to first uplink signal according to the down direction figure of the array antenna and obtains
It arrives.
Optionally, the BBU obtains the second uplink signal, may include:
The BBU carries out digital excipient to first uplink signal according to the down direction figure of the array antenna and obtains
Second uplink signal.
The method of signal processing provided in an embodiment of the present invention can the description refering to fig. 1 to the part Figure 10 understood,
It is no longer repeated at this place.
Refering to fig. 12, the embodiment of the present invention also provides a kind of device 60 of Base-Band Processing, and described device is applied to base station, institute
Stating base station further includes array antenna, and the array antenna includes n receiving port, and the n is the positive integer greater than 3, the dress
Setting 60 includes:
Module 601 is obtained, for obtaining the first uplink signal and the second uplink signal；Wherein, first uplink signal
For by the received uplink signal of m receiving port, the m is the positive integer greater than q, and no more than n, the q is the battle array
The quantity of the downlink wave beam of array antenna, second uplink signal are the down direction figure according to the array antenna to described the
One uplink signal carries out the uplink signal obtained after digital excipient；
Demodulation module 602, first uplink signal for being obtained according to the acquisition module 601 are demodulated；
Scheduler module 603, second uplink signal for being obtained according to the acquisition module 602 carry out uplink tune
Degree.
Compared with the utilization rate of the uplink port of array antenna in the prior art is low, at base band provided in an embodiment of the present invention
The device of reason receives uplink signal by the receiving port more than downlink wave beam, to improve the utilization of antenna uplink performance
Rate, and the signal for being used to dispatch and the signal isolation for being used to demodulate are opened, the signal for demodulation is initially connect using receiving port
The uplink signal of receipts, the signal for scheduling use the uplink signal after carrying out digital excipient according to down direction figure, ensure that
Cell where user equipment will not be by strong jamming, to there is available resources that can be scheduled.
Optionally, refering to fig. 13, the device 60 of Base-Band Processing provided in an embodiment of the present invention further includes digital excipient module
604；
The acquisition module 601, specifically for obtaining second uplink signal, institute from the digital excipient module 604
Stating the second uplink signal is according to the down direction figure of the array antenna by the digital excipient module to first uplink
It is obtained after the digital excipient of signal progress.
Optionally, the acquisition module 601, specifically for the down direction figure according to the array antenna to described first
Uplink signal carries out digital excipient and obtains second uplink signal.
Figure 14 is the structural schematic diagram of the device 60 of Base-Band Processing provided in an embodiment of the present invention.The device 60 is applied to base
It stands, which further includes array antenna, which includes n receiving port, and the n is the positive integer greater than 3, the base
The device 60 of tape handling includes processor 610, memory 650 and input-output apparatus 630, and memory 650 may include read-only
Memory and random access memory, and operational order and data are provided to processor 610.A part of memory 650 may be used also
To include nonvolatile RAM (NVRAM).
In some embodiments, memory 650 stores following element, executable modules or data structures, or
Their subset of person or their superset:
In embodiments of the present invention, by calling the operational order of the storage of memory 650, (operational order is storable in behaviour
Make in system) following steps are executed,
Obtain the first uplink signal and the second uplink signal；Wherein, first uplink signal is to pass through m receiving port
Received uplink signal, the m are the positive integer greater than q, and no more than n, and the q is the downlink wave beam of the array antenna
Quantity, second uplink signal are to carry out number to first uplink signal according to the down direction figure of the array antenna
The uplink signal obtained after excipient；
It is demodulated according to first uplink signal；
Uplink scheduling is carried out according to second uplink signal.
Compared with prior art, the device of the provided Base-Band Processing of the embodiment of the present invention, passes through connecing more than downlink wave beam
Receiving end mouth receives uplink signal, to improve the utilization rate of antenna uplink performance, and by the signal for being used to dispatch and is used to solve
The signal isolation of tune is opened, and the uplink signal that the signal for demodulation uses receiving port to originally receive, the signal for scheduling is adopted
With the uplink signal after digital excipient is carried out according to down direction figure, the cell where ensure that user equipment will not be capable and experienced
It disturbs, to there is available resources that can be scheduled.
Processor 610 controls the operation of the device 60 of Base-Band Processing, and processor 610 can also be known as CPU (Central
Processing Unit, central processing unit).Memory 650 may include read-only memory and random access memory, and
Instruction and data is provided to processor 610.The a part of of memory 650 can also include nonvolatile RAM
(NVRAM).The various components of the device 60 of Base-Band Processing are coupled by bus system 620 in specific application, wherein
Bus system 620 can also include power bus, control bus and status signal bus in addition etc. in addition to including data/address bus.But
It is that various buses are all designated as bus system 620 in figure for the sake of clear explanation.
The method that the embodiments of the present invention disclose can be applied in processor 610, or be realized by processor 610.
Processor 610 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 610 or the instruction of software form.Above-mentioned processing
Device 610 can be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array
(FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or
Person executes disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or
Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be straight
Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed
At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can
In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 650, and processor 610 is read
Information in access to memory 650, in conjunction with the step of its hardware completion above method.
Optionally, input-output apparatus 630 is used to obtain second uplink signal, institute from the digital excipient module
Stating the second uplink signal is according to the down direction figure of the array antenna by the digital excipient module to first uplink
It is obtained after the digital excipient of signal progress.
Optionally, processor 610 is specifically used for: believing according to the down direction figure of the array antenna first uplink
Number carrying out digital excipient obtains second uplink signal.
The device of Base-Band Processing described in figure 14 above can be understood to the description of the part Figure 10 BBU refering to fig. 1,
It is no longer repeated at this place.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
The method, apparatus and base station for being provided for the embodiments of the invention signal processing above are described in detail,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (10)
1. a kind of base station characterized by comprising array antenna and baseband processing unit BBU, the array antenna include n
Receiving port, the n are the positive integer greater than 3；
The array antenna is used to receive uplink signal by m receiving port in the n receiving port；
The BBU is demodulated for obtaining the first uplink signal and the second uplink signal according to first uplink signal,
Uplink scheduling is carried out according to second uplink signal；
Wherein, first uplink signal is to be connect by m receiving port using the original antenna broad beam of the array antenna
The uplink signal of receipts, the m are the positive integer greater than q, and no more than n, and the q is the number of the downlink wave beam of the array antenna
Amount, second uplink signal are to carry out digital tax to first uplink signal according to the down direction figure of the array antenna
The uplink signal obtained after type.
2. base station according to claim 1, which is characterized in that the base station further includes digital excipient module；
The number excipient module is for counting first uplink signal according to the down direction figure of the array antenna
Word excipient obtains second uplink signal；
The BBU is used to obtain second uplink signal from the digital excipient module.
3. base station according to claim 1, which is characterized in that
The BBU is used to carry out digital excipient to first uplink signal according to the down direction figure of the array antenna to obtain
Second uplink signal.
4. base station according to claim 2, which is characterized in that the base station further includes radio-frequency module, the number excipient
Module is integrated on the radio-frequency module.
5. a kind of method of signal processing, which is characterized in that the method be applied to base station, the base station include array antenna and
Baseband processing unit BBU, the array antenna include n receiving port, and the n is the positive integer greater than 3, the method packet
It includes:
The BBU obtains the first uplink signal and the second uplink signal；Wherein, first uplink signal is to be received by m
Port use the array antenna the received uplink signal of original antenna broad beam, the m be greater than q, and no more than n just
Integer, the q are the quantity of the downlink wave beam of the array antenna, and second uplink signal is according to the array antenna
Down direction figure carries out the uplink signal obtained after digital excipient to first uplink signal；
The BBU is demodulated according to first uplink signal；
The BBU carries out uplink scheduling according to second uplink signal.
6. according to the method described in claim 5, the BBU is obtained it is characterized in that, the base station further includes digital excipient module
Take the second uplink signal, comprising:
The BBU obtains second uplink signal from the digital excipient module, and second uplink signal is by the number
Word excipient module obtain after digital excipient to first uplink signal according to the down direction figure of the array antenna.
7. according to the method described in claim 5, it is characterized in that, the BBU obtains the second uplink signal, comprising:
The BBU obtains the digital excipient of first uplink signal progress according to the down direction figure of the array antenna described
Second uplink signal.
8. a kind of device of Base-Band Processing, which is characterized in that described device is applied to base station, and the base station further includes array day
Line, the array antenna include n receiving port, and the n is the positive integer greater than 3, and described device includes:
Module is obtained, for obtaining the first uplink signal and the second uplink signal；Wherein, first uplink signal is to pass through m
A receiving port use the array antenna the received uplink signal of original antenna broad beam, the m be greater than q, and less
In the positive integer of n, the q is the quantity of the downlink wave beam of the array antenna, and second uplink signal is according to the battle array
The down direction figure of array antenna carries out the uplink signal obtained after digital excipient to first uplink signal；
Demodulation module, first uplink signal for being obtained according to the acquisition module are demodulated；
Scheduler module, second uplink signal for being obtained according to the acquisition module carry out uplink scheduling.
9. device according to claim 8, which is characterized in that the base station further includes digital excipient module；
The acquisition module is specifically used for obtaining second uplink signal, second uplink from the digital excipient module
Signal is counted according to the down direction figure of the array antenna to first uplink signal by the digital excipient module
It is obtained after word excipient.
10. device according to claim 8, which is characterized in that
The acquisition module counts first uplink signal specifically for the down direction figure according to the array antenna
Word excipient obtains second uplink signal.
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| CN201610537124.2A CN106060973B (en) | 2016-07-08 | 2016-07-08 | A kind of method, apparatus of signal processing and base station |
| PCT/CN2017/091789 WO2018006812A1 (en) | 2016-07-08 | 2017-07-05 | Signal processing method and apparatus, and base station |
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| EP1168665A2 (en) * | 2000-06-21 | 2002-01-02 | TRW Inc. | Beam hopping self addressed packet switched communication system with multiple beam array antenna |
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| US8923792B2 (en) * | 2012-07-05 | 2014-12-30 | Lg Electronics Inc. | Method for receiving radio signal and device therefor |
| US10090986B2 (en) * | 2013-09-05 | 2018-10-02 | Lg Electronics Inc. | Method and apparatus for transmitting reference signal in multiple antenna supporting wireless communication system |
| CN105407474B (en) * | 2014-09-04 | 2021-01-12 | 北京三星通信技术研究有限公司 | Resource management method and base station |
| CN106060973B (en) * | 2016-07-08 | 2019-07-09 | 上海华为技术有限公司 | A kind of method, apparatus of signal processing and base station |
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| EP1168665A2 (en) * | 2000-06-21 | 2002-01-02 | TRW Inc. | Beam hopping self addressed packet switched communication system with multiple beam array antenna |
| CN102832982A (en) * | 2012-08-08 | 2012-12-19 | 华为技术有限公司 | Base station with MIMO accelerator and control method thereof |
| CN103109558A (en) * | 2012-10-12 | 2013-05-15 | 华为技术有限公司 | Method, device and base station of improving physical sector |
| CN102916735A (en) * | 2012-10-17 | 2013-02-06 | 东南大学 | Wireless communication method making use of large-scale antenna array |
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| CN106060973A (en) | 2016-10-26 |
| WO2018006812A1 (en) | 2018-01-11 |
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