CN109219062A - A kind of determination method, terminal and the network side equipment of wave beam - Google Patents
A kind of determination method, terminal and the network side equipment of wave beam Download PDFInfo
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- CN109219062A CN109219062A CN201710522946.8A CN201710522946A CN109219062A CN 109219062 A CN109219062 A CN 109219062A CN 201710522946 A CN201710522946 A CN 201710522946A CN 109219062 A CN109219062 A CN 109219062A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
-
- 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
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides determination method, terminal and the network side equipment of a kind of wave beam, and wherein method includes: the reference signal for receiving network side equipment and sending in the multiple analog beams configured for terminal；According to the reception power of the reference signal, in the multiple analog beam, at least one analog beam is selected；According at least one analog beam of selection, alternative analog beam is determined；The beam information of the alternative analog beam is sent to the network side equipment.The solution of the present invention passed through in the analog beam choice phase, terminal feeds back multiple alternative analog beams, and progress digital beam forming or digital code book selection, the gain according to modulus mixed-beam figuration determine optimal analog beam from multiple alternative wave beams in the alternative wave beam picked out.
Description
Technical field
The present invention relates to fields of communication technology, particularly relate to determination method, terminal and the network side equipment of a kind of wave beam.
Background technique
In current 3GPP standardisation process, multiaerial system uses numeric field and analog domain mixed architecture.Wherein, analog wave
The selection of beam is generally basede on beam scanning (Beam Sweeping) technology, and the reference signal by measuring analog beam receives function
Rate (RSRP) selects the strongest wave beam of RSRP as optimal analog beam, and then determines digital beam (such as PMI feedback), carries out
Data transmit-receive.
Mixed-beam forming technique is used in 5G NR system.Base station can successively determine according to the information of user feedback and be used for
The analog beam and digital beam of communication.
In the prior art, the method that base station determines analog beam are as follows: base station has configured several analog beams, and passes through wave
The mode of beam scanning sends reference signal, and user measures the Reference Signal Received Power (RSRP) of analog beam, configures from base station
Analog beam in select the strongest wave beam of RSRP as analog beam, and after analog beam has been determined carry out digital beam tax
Shape (TDD system carries out digital beam forming according to the channel information of reporting of user in such as LTE) or digital code book select (such as LTE
Middle FDD system selects digital beam forming vector according to the PMI of user feedback).So the effect of digital beam-forming is by institute
The limitation of the analog beam of selection.
As shown in Figure 1, under the prior art, when the intensity of analog beam A is stronger, then analog beam A is directly selected, and it is real
The bulk strength of analog beam B and digital beam b therein are better than analog beam A and arrange in pairs or groups digital beam a's therein on border
Bulk strength, then optimal beam should be analog beam B collocation digital beam b.
Specifically, when in the secondary lobe that a certain user is in two adjacent analog beams, the intensity pair of analog beam
It is relatively limited in the influence of user, but the gain of digital beam becomes apparent from this time.
The gain of wave beam forming is codetermined by analog beam and digital beam, if separately selecting analog beam and digital wave
Beam determines digital beam after determining analog beam according only to the RSRP of analog beam, it is difficult to guarantee final wave beam forming again
Effect is optimal.
Summary of the invention
The present invention provides determination method, terminal and the network side equipments of a kind of wave beam, ensure that wave beam forming effect.
In order to solve the above technical problems, the embodiment of the present invention provides following scheme:
A kind of determination method of wave beam, comprising:
Receive the reference signal that network side equipment is sent in the multiple analog beams configured for terminal；
According to the reception power of the reference signal, in the multiple analog beam, at least one analog beam is selected；
According at least one analog beam of selection, alternative analog beam is determined；
The beam information of the alternative analog beam is sent to the network side equipment.
Wherein, according to the reception power of the reference signal, in the multiple analog beam, at least one simulation is selected
The step of wave beam includes:
According to the reference signal, the reception power of the multiple analog beam is measured, obtains the parameter letter
Number reception power；
According to the reception power of the reference signal, in the multiple analog beam, at least one analog beam is selected.
Wherein, according to the reception power of the reference signal, in the multiple analog beam, at least one simulation is selected
The step of wave beam includes:
According to the reception power of the reference signal, in the multiple analog beam, selection meets RSRPA>
RSRPavailableMultiple first analog beams of × N%；Or
According to the reception power of the reference signal, in the multiple analog beam, selection meets RSRPB>RSRPmax
Multiple second analog beams of × N% alternately analog beam；
Wherein, RSRPAIndicate the reception power of the reference signal of the first analog beam, RSRPavailableExpression can be used for
The power level of the analog beam of access；
RSRPBIndicate the reception power of the reference signal of the second analog beam, RSRPmaxIndicate that terminal receives reference signal
Reception the strongest analog beam of power reception power；N is a positive integer.
Wherein, the N is the positive integer more than or equal to 95.
Wherein, according at least one analog beam of selection, the step of determining alternative analog beam, includes:
By at least one first analog beam or at least one second analog beam of selection, it is determined as alternative analog wave
Beam.
Wherein, according at least one analog beam of selection, the step of determining alternative analog beam, includes:
If the quantity of at least one the first wave beam of selection or the quantity of at least one the second wave beam are greater than a present count
Value, then from least one first wave beam or at least one second wave beam, selection receives power and is greater than a predetermined power threshold value
M analog beam, alternately analog beam；Or
The value for adjusting the N makes the quantity of at least one the first wave beam of selection or the number of at least one the second wave beam
Amount is less than or equal to the default value.
Wherein, the determination method of wave beam, further includes:
The network side equipment is received according to the beam information of the alternative analog beam received, the detection of transmission is with reference to letter
The configuration information of number SRS；
SRS is sent to the network side equipment according to the configuration information, makes the network side equipment according to the SRS,
Using uplink and downlink channel reciprocity, the beam information of the corresponding digital beam of the alternative analog beam is obtained, and according to described
The beam information of the beam information of digital beam and the alternative analog beam, determines mixed-beam.
Wherein, the determination method of wave beam, further includes:
According to the beam information of the alternative analog beam and the codebook set of preconfigured digital beam, determine mixed
Multiplex beam, and the beam information of mixed-beam is fed back into the network side equipment.
Wherein, according to the beam information of the alternative analog beam and the codebook set of preconfigured digital beam,
The step of determining mixed-beam include:
Receive the channel state information reference signals CSI- that the network side equipment is sent by the alternative analog beam
RS；
According to the CSI-RS received, descending channel information is obtained；
According to the codebook set of the descending channel information and preconfigured digital beam, the alternative analog wave is obtained
The corresponding optimal digital code book index of beam；
It is calculated according to the corresponding optimal digital code book index of the descending channel information and the alternative analog beam mixed
Close beam forming gain；
By the strongest analog beam of mixed-beam figuration gain and digital beam, it is determined as mixed-beam.
Wherein, the determination method of wave beam, further includes:
Receive the data information that the network side equipment is sent in mixed-beam.
The embodiment of the present invention also provides a kind of determination method of wave beam, comprising:
In the multiple analog beams configured for terminal, reference signal is sent to terminal；
The beam information of the alternative analog beam of terminal feedback is received, the alternative analog beam is terminal according to the ginseng
The reception power for examining signal selects at least one analog beam in the multiple analog beam, and according at least the one of selection
What a analog beam determined.
Wherein, after the beam information for receiving the alternative analog beam of terminal feedback further include:
According to the beam information of the alternative analog beam received, mixed-beam is determined；Or
Receive the beam information for the mixed-beam that terminal is sent.
Wherein, according to the beam information of the alternative analog beam received, the step of determining mixed-beam, includes:
According to the beam information of the alternative analog beam received, digital beam is determined；
According to the alternative analog beam and the digital beam, mixed-beam is determined.
Wherein, according to the beam information of the alternative analog beam received, the step of determining digital beam, includes:
According to the beam information of the alternative analog beam received, configuration sends the configuration information of SRS, and this is matched confidence
Breath is handed down to terminal；
Receive the SRS that terminal is sent according to the configuration information；
Uplink and downlink channel reciprocity is utilized according to the SRS, obtains the wave beam of the corresponding digital beam of alternative analog beam
Information.
Wherein, according to the digital beam and the alternative analog beam, the step of determining mixed-beam, includes:
According to the beam information of the beam information of the analog beam and the digital beam, calculates mixed-beam figuration and increase
Benefit；
The strongest analog beam of mixed-beam figuration gain and digital beam combination are selected, as mixed-beam.
Wherein, the step of beam information of the mixed-beam of reception terminal transmission includes:
According to the beam information of the alternative analog beam received, CSI-RS information is sent to terminal；
The beam information of the mixed-beam of terminal feedback is received, the mixed-beam is the terminal according to the CSI- received
RS obtains descending channel information；And according to the codebook set of the descending channel information and preconfigured digital beam, obtain
The corresponding optimal digital code book index of the alternative analog beam；And according to the descending channel information and the alternative analog wave
The corresponding optimal digital code book index of beam calculates mixed-beam figuration gain；And by the strongest simulation of mixed-beam figuration gain
What the combination of wave beam and digital beam obtained.
Wherein, the determination method of wave beam, further includes:
Data information is sent to terminal in mixed-beam.
The embodiment of the present invention also provides a kind of terminal, comprising:
Receiver, the reference signal sent in the multiple analog beams configured for terminal for receiving network side equipment；
Processor in the multiple analog beam, selects at least one for the reception power according to the reference signal
A analog beam；According at least one analog beam of selection, alternative analog beam is determined；
Transmitter, for the beam information of the alternative analog beam to be sent to the network side equipment.
Wherein, when the processor selects at least one analog beam, it is specifically used for: according to the reference signal, to institute
The reception power for stating multiple analog beams measures, and obtains the reception power of the parameter signal；According to the reference signal
Reception power select at least one analog beam in the multiple analog beam.
Wherein, the processor is specifically used for: when selecting analog beam according to institute according to the reception power of parameter signal
The reception power for stating reference signal, in the multiple analog beam, selection meets RSRPA>RSRPavailable× N%'s is multiple
First analog beam；Or the reception power according to the reference signal, in the multiple analog beam, selection meets
RSRPB>RSRPmaxMultiple second analog beams of × N% alternately analog beam；
Wherein, RSRPAIndicate the reception power of the reference signal of the first analog beam, RSRPavailableExpression can be used for
The power level of the analog beam of access；
RSRPBIndicate the reception power of the reference signal of the second analog beam, RSRPmaxIndicate that terminal receives reference signal
Reception the strongest analog beam of power reception power；N is a positive integer.
Wherein, the N is the positive integer more than or equal to 95.
Wherein, when the processor selects alternative analog beam, specifically at least one first analog wave that will be selected
Beam or at least one second analog beam, are determined as alternative analog beam；If at least one first wave of judgement selection
The quantity of the quantity of beam perhaps at least one the second wave beam is greater than a default value then from least one first wave beam or at least
In one the second wave beam, selection receives the M analog beam that power is greater than a predetermined power threshold value, alternately analog beam；
Perhaps adjust the N value make selection at least one the first wave beam quantity or at least one the second wave beam quantity it is small
In or equal to the default value.
Wherein, the receiver is also used to: receiving the network side equipment according to the wave of the alternative analog beam received
Beam information, the configuration information of the detection reference signal SRS of transmission；
The transmitter is also used to send SRS to the network side equipment according to the configuration information, makes the network side
Equipment obtains the wave beam of the corresponding digital beam of the alternative analog beam using uplink and downlink channel reciprocity according to the SRS
Information, and according to the beam information of the beam information of the digital beam and the alternative analog beam, determine mixed-beam.
Wherein, the transmitter is also used to beam information and preconfigured number according to the alternative analog beam
The codebook set of wave beam determines mixed-beam, and the beam information of mixed-beam is fed back to the network side equipment.
Wherein, the receiver is also used to: receiving the letter that the network side equipment is sent by the alternative analog beam
Channel state information reference signal CSI-RS；
According to the CSI-RS received, descending channel information is obtained；
According to the codebook set of the descending channel information and preconfigured digital beam, the alternative analog wave is obtained
The corresponding optimal digital code book index of beam；
It is calculated according to the corresponding optimal digital code book index of the descending channel information and the alternative analog beam mixed
Close beam forming gain；
By the strongest analog beam of mixed-beam figuration gain and digital beam, it is determined as mixed-beam.
Wherein, the receiver is also used to receive the data information that the network side equipment is sent in mixed-beam.
The embodiment of the present invention also provides a kind of terminal, comprising:
Receiving module, the reference letter sent in the multiple analog beams configured for terminal for receiving network side equipment
Number；
Processing module, for the reception power according to the reference signal, in the multiple analog beam, selection is at least
One analog beam；And according at least one analog beam of selection, alternative analog beam is determined；
Sending module, for the beam information of the alternative analog beam to be sent to the network side equipment.
The embodiment of the present invention also provides a kind of terminal, comprising: processor, the memory for being stored with computer program, institute
When stating computer program and being run by processor, method as described above is executed.
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is calculating
When machine is run, so that computer executes method as described above.
The embodiment of the present invention also provides a kind of network side equipment, comprising:
Transmitter, for sending reference signal to terminal in the multiple analog beams configured for terminal；
Receiver, the beam information of the alternative analog beam for receiving terminal feedback, the alternative analog beam is eventually
Reception power of the end according to the reference signal, at least one analog beam selected in the multiple analog beam, and root
It is determined according at least one analog beam of selection.
The embodiment of the present invention also provides a kind of network side equipment, comprising:
Sending module, for sending reference signal to terminal in the multiple analog beams configured for terminal；
Receiving module, the beam information of the alternative analog beam for receiving terminal feedback, the alternative analog beam are
Terminal selects at least one analog beam, and root according to the reception power of the reference signal in the multiple analog beam
It is determined according at least one analog beam of selection.
The embodiment of the present invention also provides a kind of network side equipment, comprising: processor, the storage for being stored with computer program
Device when the computer program is run by processor, executes method as described above.
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is calculating
When machine is run, so that computer executes method as described above.
Above scheme of the invention is include at least the following beneficial effects:
Above scheme of the invention is sent in the multiple analog beams configured for terminal by reception network side equipment
Reference signal；According to the reception power of the reference signal, in the multiple analog beam, at least one analog wave is selected
Beam；According at least one analog beam of selection, alternative analog beam is determined；The beam information of the alternative analog beam is sent out
The network side equipment is given, so as to which in the analog beam choice phase, terminal feeds back multiple alternative analog beams, and is choosing
Digital beam forming or the selection of digital code book are carried out in the alternative wave beam selected, the gain according to modulus mixed-beam figuration is from more
Optimal analog beam is determined in a alternative wave beam.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing wave beam；
Fig. 2 is the flow chart of first embodiment of the determination method of wave beam of the invention；
Fig. 3 is the flow chart of the second embodiment of the determination method of wave beam of the invention；
Fig. 4 is the 3rd embodiment flow chart of the determination method of wave beam of the invention；
Fig. 5 is the fourth embodiment flow chart of the determination method of wave beam of the invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
As shown in Fig. 2, the embodiment of the present invention provides a kind of determination method of wave beam, comprising:
Step 21, the reference signal that network side equipment is sent in the multiple analog beams configured for terminal is received；
Step 22, according to the reception power of the reference signal, in the multiple analog beam, at least one mould is selected
Quasi- wave beam；
Step 23, according at least one analog beam of selection, alternative analog beam is determined；
Step 24, the beam information of the alternative analog beam is sent to the network side equipment.
The embodiment of the invention is sent in the multiple analog beams configured for terminal by reception network side equipment
Reference signal；According to the reception power of the reference signal, in the multiple analog beam, at least one analog wave is selected
Beam；According at least one analog beam of selection, alternative analog beam is determined；The beam information of the alternative analog beam is sent out
The network side equipment is given, so as to which in the analog beam choice phase, terminal feeds back multiple alternative analog beams, and is choosing
The code book selection that digital beam forming or digital beam are carried out in the alternative analog beam selected, according to modulus mixed-beam figuration
Gain determine optimal analog beam from multiple alternative analog beams.
In the embodiment, step 22 be can specifically include:
Step 221, according to the reference signal, the reception power of the multiple analog beam is measured, institute is obtained
State the reception power of parameter signal；
Step 222, at least one is selected in the multiple analog beam according to the reception power of the reference signal
Analog beam.
Wherein, step 222 may include:
Step 2221, according to the reception power of the reference signal, in the multiple analog beam, selection meets
RSRPA>RSRPavailableMultiple first analog beams of × N%, wherein RSRPAIndicate the reference signal of the first analog beam
Receive power, RSRPavailableIndicate that the power level that can be used for the analog beam accessed, N are a positive integer, it is preferred that N
For the positive integer more than or equal to 95；Or
Step 2222, according to the reception power of the reference signal, in the multiple analog beam, selection meets
RSRPB>RSRPmaxMultiple second analog beams of × N% alternately analog beam；
Wherein, RSRPBIndicate the reception power of the reference signal of the second analog beam, RSRPmaxIndicate that terminal receives reference
The reception power of the reception strongest analog beam of power of signal；N is a positive integer, it is preferred that N is more than or equal to 95
Positive integer.
In the embodiment, step 23 be can specifically include:
Step 231, by least one first analog beam of selection, it is determined as alternative analog beam；Or
Step 232, by least one second analog beam of selection, it is determined as alternative analog beam；Or
Step 233, if the quantity of at least one the first wave beam or the quantity of at least one the second wave beam of selection are greater than
One default value, then from least one first wave beam or at least one second wave beam, it is default greater than one that selection receives power
M analog beam of power threshold, alternately analog beam；Or
Step 234, the value for adjusting the N, make at least one the first wave beam of selection quantity or at least one second
The quantity of wave beam is less than or equal to the default value.
As shown in figure 3, another embodiment of the present invention provides a kind of determination method of wave beam, comprising:
Step 31, the reference signal that network side equipment is sent in the multiple analog beams configured for terminal is received；
Step 32, according to the reception power of the reference signal, in the multiple analog beam, at least one mould is selected
Quasi- wave beam；
Step 33, according at least one analog beam of selection, alternative analog beam is determined；
Step 34, the beam information of the alternative analog beam is sent to the network side equipment；
Step 35, the network side equipment is received according to the beam information of the alternative analog beam received, the spy of transmission
Survey the configuration information of reference signal SRS；
Step 36, SRS is sent to the network side equipment according to the configuration information, makes the network side equipment according to institute
SRS is stated, using uplink and downlink channel reciprocity, obtains the beam information of the corresponding digital beam of the alternative analog beam, and root
According to the beam information of the digital beam and the beam information of the alternative analog beam, mixed-beam is determined.
Specifically, if the uplink and downlink channel of system has reciprocity, base station is according to the alternative analog beam of user feedback
SRS information is configured, and the information is handed down to user；User sends SRS, base according to configuration information on the wave beam that base station configures
It stands and SRS acquisition uplink channel information is received and detected in alternative analog beam, and estimate that downlink is believed using channel reciprocity
Road information calculates optimal digital beam forming according to descending channel information, so that base station can get each alternative analog beam
Digital beam forming vector, obtain mixed-beam figuration gain (mixed-beam figuration gain can be by calculating channel matrix and number
The norm of the product of word wave beam formed matrix obtains), and select the strongest analog beam of mixed-beam figuration gain and digital wave
Shu Jinhang pairing, so that it is determined that mixed-beam.
As shown in figure 4, another embodiment of the present invention provides a kind of determination method of wave beam, comprising:
Step 41, the reference signal that network side equipment is sent in the multiple analog beams configured for terminal is received；
Step 42, according to the reception power of the reference signal, in the multiple analog beam, at least one mould is selected
Quasi- wave beam；
Step 43, according at least one analog beam of selection, alternative analog beam is determined；
Step 44, the beam information of the alternative analog beam is sent to the network side equipment；
Step 45, according to the beam information of the alternative analog beam and the code book collection of preconfigured digital beam
It closes, determines mixed-beam, and the beam information of mixed-beam is fed back into the network side equipment.
Wherein, step 45 can specifically include:
Step 451, the network side equipment is received to refer to by the channel state information that the alternative analog beam is sent
Signal CSI-RS；
Step 452, according to the CSI-RS received, descending channel information is obtained；
Step 453, it according to the codebook set of the descending channel information and preconfigured digital beam, obtains described standby
Select the corresponding optimal digital code book index of analog beam；
Step 454, according to the corresponding optimal digital code book index of the descending channel information and the alternative analog beam
Calculate mixed-beam figuration gain；
Step 455, the strongest analog beam of mixed-beam figuration gain and digital beam are determined, mixed-beam is combined into.
And it is further, the determination method of above-mentioned wave beam can also include:
Receive the data information that the network side equipment is sent in mixed-beam.
In the embodiment of the invention, if the uplink and downlink channel of system without reciprocity, can be according to preconfigured number
Code book (can be the digital code book configured according to alternative analog beam) chooses digital beam, and digital code book is to have matched in advance
It sets and base station and user's known digital codebook set.Base station (belonging to network side equipment) passes through the alternative analog beam of user feedback
Information sends CSI-RS, and user determines the corresponding descending channel information of each analog beam and optimal number according to the CSI-RS received
Word code book index (PMI), picks out the strongest analog beam of mixed-beam figuration gain+digital beam combination, and one of which is chosen
Choosing rule is the strongest beam combination of norm of equivalent channel (product of channel matrix and digital code book).Then, user is by phase
The information (including CRI, PMI, CQI, RI etc.) answered feeds back to base station, and base station determines optimal simulation according to the feedback information received
Wave beam+digital beam combination.
The determination method for the wave beam that the above embodiment of the present invention proposes, it is multiple in the user feedback of analog beam choice phase
Alternative analog beam, and digital beam forming or digital code book selection are carried out in the alternative wave beam picked out, it is mixed according to modulus
The gain for closing wave beam forming determines optimal analog beam from multiple alternative analog beams, improves the number of 5G NR equipment
Data communication rates.
The above embodiment of the present invention, which overcomes, is based purely on the drawbacks of analog beam information carries out beam selection；It is suitble to use
In wave cover edge customer；Analog beam replacement can be limited by adjusting the parameter for selecting criterion of alternative analog beam
Frequency, keep the stability of system.
The embodiment of the present invention also provides a kind of terminal, comprising:
Receiving module, the reference letter sent in the multiple analog beams configured for terminal for receiving network side equipment
Number；
Processing module, for the reception power according to the reference signal, in the multiple analog beam, selection is at least
One analog beam；And according at least one analog beam of selection, alternative analog beam is determined；
Sending module, for the beam information of the alternative analog beam to be sent to the network side equipment.
It should be noted that the terminal is device corresponding with method shown in above-mentioned Fig. 2-4, it is real shown in above-mentioned Fig. 2-4
All implementations in example are applied suitable for the embodiment of the terminal, can also reach identical technical effect.
The embodiment of the present invention also provides a kind of terminal, comprising:
Receiver, the reference signal sent in the multiple analog beams configured for terminal for receiving network side equipment；
Processor in the multiple analog beam, selects at least one for the reception power according to the reference signal
A analog beam；According at least one analog beam of selection, alternative analog beam is determined；
Transmitter, for the beam information of the alternative analog beam to be sent to the network side equipment.
Wherein, when the processor selects at least one analog beam, it is specifically used for: according to the reference signal, to institute
The reception power for stating multiple analog beams measures, and obtains the reception power of the parameter signal；According to the reference signal
Reception power select at least one analog beam in the multiple analog beam.
Wherein, the processor is specifically used for: when selecting analog beam according to institute according to the reception power of parameter signal
The reception power for stating reference signal, in the multiple analog beam, selection meets RSRPA>RSRPavailable× N%'s is multiple
First analog beam；Or the reception power according to the reference signal, in the multiple analog beam, selection meets
RSRPB>RSRPmaxMultiple second analog beams of × N% alternately analog beam；
Wherein, RSRPAIndicate the reception power of the reference signal of the first analog beam, RSRPavailableExpression can be used for
The power level of the analog beam of access；
RSRPBIndicate the reception power of the reference signal of the second analog beam, RSRPmaxIndicate that terminal receives reference signal
Reception the strongest analog beam of power reception power；N is a positive integer.
Wherein, the N is the positive integer more than or equal to 95.
Wherein, when the processor selects alternative analog beam, specifically at least one first analog wave that will be selected
Beam or at least one second analog beam, are determined as alternative analog beam；If at least one first wave of judgement selection
The quantity of the quantity of beam perhaps at least one the second wave beam is greater than a default value then from least one first wave beam or at least
In one the second wave beam, selection receives the M analog beam that power is greater than a predetermined power threshold value, alternately analog beam；
Perhaps adjust the N value make selection at least one the first wave beam quantity or at least one the second wave beam quantity it is small
In or equal to the default value.
Wherein, the receiver is also used to: receiving the network side equipment according to the wave of the alternative analog beam received
Beam information, the configuration information of the detection reference signal SRS of transmission；
The transmitter is also used to send SRS to the network side equipment according to the configuration information, makes the network side
Equipment obtains the wave beam of the corresponding digital beam of the alternative analog beam using uplink and downlink channel reciprocity according to the SRS
Information, and according to the beam information of the beam information of the digital beam and the alternative analog beam, determine mixed-beam.
Wherein, the transmitter is also used to beam information and preconfigured number according to the alternative analog beam
The codebook set of wave beam determines mixed-beam, and the beam information of mixed-beam is fed back to the network side equipment.
Wherein, the receiver is also used to: receiving the letter that the network side equipment is sent by the alternative analog beam
Channel state information reference signal CSI-RS；
According to the CSI-RS received, descending channel information is obtained；
According to the codebook set of the descending channel information and preconfigured digital beam, the alternative analog wave is obtained
The corresponding optimal digital code book index of beam；
It is calculated according to the corresponding optimal digital code book index of the descending channel information and the alternative analog beam mixed
Close beam forming gain；
By the strongest analog beam of mixed-beam figuration gain and digital beam, it is determined as mixed-beam.
Wherein, the receiver is also used to receive the data information that the network side equipment is sent in mixed-beam.
It should be noted that receiver can be connected with processor by bus or interface in the embodiment of the terminal, hair
Penetrating machine can be connected with processor by bus or interface, and the method for terminal side shown in above-mentioned Fig. 2-4 is suitable for the end
In the embodiment at end, it can also reach identical technical effect.
The embodiment of the present invention also provides a kind of terminal, comprising: processor, the memory for being stored with computer program, institute
When stating computer program and being run by processor, the method as described in figure 2 above -4 is executed.
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is calculating
When machine is run, so that computer executes the method as described in figure 2 above -4.
As shown in figure 5, the embodiment of the present invention also provides a kind of determination method of wave beam, comprising:
Step 51, in the multiple analog beams configured for terminal, reference signal is sent to terminal；
Step 52, the beam information of the alternative analog beam of terminal feedback is received, the alternative analog beam is terminal root
According to the reception power of the reference signal, at least one analog beam selected in the multiple analog beam, and according to choosing
What at least one analog beam selected determined.
The embodiment of the invention is by sending reference signal to terminal in the multiple analog beams configured for terminal；
The beam information of the alternative analog beam of terminal feedback is received, the alternative analog beam is terminal according to the reference signal
Power is received, at least one analog beam is selected in the multiple analog beam, and according at least one analog wave of selection
What beam determined.So as in the multiple alternative analog beams of analog beam choice phase user feedback, and it is alternative what is picked out
Digital beam forming or the selection of digital code book are carried out in wave beam, the gain according to modulus mixed-beam figuration is from multiple alternative wave beams
In determine optimal analog beam, improve the number data communication rates of 5G NR equipment.
And it is further, this method can also include: after receiving the beam information of alternative analog beam of terminal feedback
Step 53, according to the beam information of the alternative analog beam received, mixed-beam is determined；Or
Step 54, the beam information for the mixed-beam that terminal is sent is received.
Wherein, step 53 can specifically include:
Step 531, according to the beam information of the alternative analog beam received, digital beam is determined；According to described alternative
Analog beam and the digital beam, determine mixed-beam.
Wherein, step 531 may include:
Step 5311, according to the beam information of the alternative analog beam received, configuration sends the configuration information of SRS, and
The configuration information is handed down to terminal；
Step 5312, the SRS that terminal is sent according to the configuration information is received；
Step 5313, uplink and downlink channel reciprocity is utilized according to the SRS, obtains the corresponding digital wave of alternative analog beam
The beam information of beam；
Step 5314, according to the beam information of the beam information of the analog beam and the digital beam, mixing is calculated
Beam forming gain；
Step 5315, the selection strongest analog beam of mixed-beam figuration gain and digital beam combination, as mixed recharge
Beam.
Wherein, step 54 can specifically include:
Step 541, according to the beam information of the alternative analog beam received, CSI-RS information is sent to terminal；
Step 542, the beam information of the mixed-beam of terminal feedback is received, the mixed-beam is the terminal according to receipts
The CSI-RS arrived obtains descending channel information；And according to the code book of the descending channel information and preconfigured digital beam
Set obtains the corresponding optimal digital code book index of the alternative analog beam；And according to the descending channel information and described
Alternatively the corresponding optimal digital code book index of analog beam calculates mixed-beam figuration gain；Select mixed-beam figuration gain
What the combination of strongest analog beam and digital beam obtained.
And it is further, the determination method for the wave beam that the embodiment of the invention provides can also include:
Step 55, data information is sent to terminal in mixed-beam.
The determination method for the wave beam that the above embodiment of the present invention proposes, it is multiple in the user feedback of analog beam choice phase
Alternative analog beam, and digital beam forming or digital code book selection are carried out in the alternative wave beam picked out, it is mixed according to modulus
The gain for closing wave beam forming determines optimal analog beam from multiple alternative wave beams, improves the number data of 5G NR equipment
Traffic rate.
The above embodiment of the present invention, which overcomes, is based purely on the drawbacks of analog beam information carries out beam selection；It is suitble to use
In wave cover edge customer；It can be limited by adjusting the parameter (such as above-mentioned parameter N) for selecting criterion of alternative analog beam
The frequency of analog beam replacement processed, keeps the stability of system.
The embodiment of the present invention also provides a kind of network side equipment, comprising:
Sending module, for sending reference signal to terminal in the multiple analog beams configured for terminal；
Receiving module, the beam information of the alternative analog beam for receiving terminal feedback, the alternative analog beam are
Terminal selects at least one analog beam, and root according to the reception power of the reference signal in the multiple analog beam
It is determined according at least one analog beam of selection.
It should be noted that the embodiment of the network side equipment is dress corresponding with the embodiment of method shown in above-mentioned Fig. 5
It sets, all implementations can also reach suitable for the embodiment of the network side equipment in the embodiment of method shown in above-mentioned Fig. 5
To identical technical effect.
The embodiment of the present invention also provides a kind of network side equipment, comprising:
Transmitter, for sending reference signal to terminal in the multiple analog beams configured for terminal；
Receiver, the beam information of the alternative analog beam for receiving terminal feedback, the alternative analog beam is eventually
Reception power of the end according to the reference signal, at least one analog beam selected in the multiple analog beam, and root
It is determined according at least one analog beam of selection.
It should be noted that the method for above-mentioned network side shown in fig. 5 is suitable for this in the embodiment of the network side equipment
In the embodiment of terminal, it can also reach identical technical effect.
The embodiment of the present invention also provides a kind of network side equipment, comprising: processor, the storage for being stored with computer program
Device when the computer program is run by processor, executes the method as described in figure 5 above.
The embodiment of the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is calculating
When machine is run, so that computer executes the method as described in figure 5 above.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (33)
1. a kind of determination method of wave beam characterized by comprising
Receive the reference signal that network side equipment is sent in the multiple analog beams configured for terminal；
According to the reception power of the reference signal, in the multiple analog beam, at least one analog beam is selected；
According at least one analog beam of selection, alternative analog beam is determined；
The beam information of the alternative analog beam is sent to the network side equipment.
2. the determination method of wave beam according to claim 1, which is characterized in that according to the reception function of the reference signal
Rate, in the multiple analog beam, the step of selecting at least one analog beam, includes:
According to the reference signal, the reception power of the multiple analog beam is measured, the parameter signal is obtained
Receive power；
According to the reception power of the reference signal, in the multiple analog beam, at least one analog beam is selected.
3. the determination method of wave beam according to claim 2, which is characterized in that according to the reception function of the reference signal
Rate, in the multiple analog beam, the step of selecting at least one analog beam, includes:
According to the reception power of the reference signal, in the multiple analog beam, selection meets RSRPA>RSRPavailable×
Multiple first analog beams of N%；Or
According to the reception power of the reference signal, in the multiple analog beam, selection meets RSRPB>RSRPmax× N%
Multiple second analog beams alternately analog beam；
Wherein, RSRPAIndicate the reception power of the reference signal of the first analog beam, RSRPavailableExpression can be used for accessing
Analog beam power level；
RSRPBIndicate the reception power of the reference signal of the second analog beam, RSRPmaxIndicate that terminal receives the reception of reference signal
The reception power of the strongest analog beam of power；N is a positive integer.
4. the determination method of wave beam according to claim 3, which is characterized in that the N is just more than or equal to 95
Integer.
5. the determination method of wave beam according to claim 3, which is characterized in that according at least one analog wave of selection
Beam, the step of determining alternative analog beam include:
By at least one first analog beam or at least one second analog beam of selection, it is determined as alternative analog beam.
6. the determination method of wave beam according to claim 3, which is characterized in that according at least one analog wave of selection
Beam, the step of determining alternative analog beam include:
If the quantity of at least one the first wave beam of selection or the quantity of at least one the second wave beam are greater than a default value,
From at least one first wave beam or at least one second wave beam, selection receives M that power is greater than a predetermined power threshold value
Analog beam, alternately analog beam；Or
The quantity of the value for adjusting the N, the quantity or at least one the second wave beam that make at least one the first wave beam of selection is small
In or equal to the default value.
7. the determination method of wave beam according to claim 1, which is characterized in that further include:
The network side equipment is received according to the beam information of the alternative analog beam received, the detection reference signal of transmission
The configuration information of SRS；
SRS is sent to the network side equipment according to the configuration information, makes the network side equipment according to the SRS, utilizes
Uplink and downlink channel reciprocity obtains the beam information of the corresponding digital beam of the alternative analog beam, and according to the number
The beam information of the beam information of wave beam and the alternative analog beam, determines mixed-beam.
8. the determination method of wave beam according to claim 1, which is characterized in that further include:
According to the beam information of the alternative analog beam and the codebook set of preconfigured digital beam, mixed recharge is determined
Beam, and the beam information of mixed-beam is fed back into the network side equipment.
9. the determination method of wave beam according to claim 8, which is characterized in that according to the wave beam of the alternative analog beam
The codebook set of information and preconfigured digital beam, the step of determining mixed-beam include:
Receive the channel state information reference signals CSI-RS that the network side equipment is sent by the alternative analog beam；
According to the CSI-RS received, descending channel information is obtained；
According to the codebook set of the descending channel information and preconfigured digital beam, the alternative analog beam pair is obtained
The optimal digital code book index answered；
Mixed recharge is calculated according to the corresponding optimal digital code book index of the descending channel information and the alternative analog beam
Beam figuration gain；
By the strongest analog beam of mixed-beam figuration gain and digital beam, it is determined as mixed-beam.
10. according to the determination method of wave beam described in claim 7,8 or 9, which is characterized in that further include:
Receive the data information that the network side equipment is sent in mixed-beam.
11. a kind of determination method of wave beam characterized by comprising
In the multiple analog beams configured for terminal, reference signal is sent to terminal；
The beam information of the alternative analog beam of terminal feedback is received, the alternative analog beam is that terminal is believed according to the reference
Number reception power, at least one analog beam is selected in the multiple analog beam, and according at least one mould of selection
What quasi- wave beam determined.
12. the determination method of wave beam according to claim 11, which is characterized in that receive the alternative analog wave of terminal feedback
After the beam information of beam further include:
According to the beam information of the alternative analog beam received, mixed-beam is determined；Or
Receive the beam information for the mixed-beam that terminal is sent.
13. the determination method of wave beam according to claim 12, which is characterized in that according to the alternative analog beam received
Beam information, the step of determining mixed-beam includes:
According to the beam information of the alternative analog beam received, digital beam is determined；
According to the alternative analog beam and the digital beam, mixed-beam is determined.
14. the determination method of wave beam according to claim 13, which is characterized in that according to the alternative analog beam received
Beam information, the step of determining digital beam includes:
According to the beam information of the alternative analog beam received, configuration sends the configuration information of SRS, and will be under the configuration information
Issue terminal；
Receive the SRS that terminal is sent according to the configuration information；
Uplink and downlink channel reciprocity is utilized according to the SRS, obtains the beam information of the corresponding digital beam of alternative analog beam.
15. the determination method of wave beam according to claim 13, which is characterized in that according to the digital beam and described standby
The step of selecting analog beam, determining mixed-beam include:
According to the beam information of the beam information of the analog beam and the digital beam, mixed-beam figuration gain is calculated；
The strongest analog beam of mixed-beam figuration gain and digital beam combination are selected, as mixed-beam.
16. the determination method of wave beam according to claim 12, which is characterized in that receive the mixed-beam that terminal is sent
The step of beam information includes:
According to the beam information of the alternative analog beam received, CSI-RS information is sent to terminal；
Receiving the beam information of the mixed-beam of terminal feedback, the mixed-beam is the terminal according to the CSI-RS received,
Obtain descending channel information；And according to the descending channel information and preconfigured digital beam codebook set, obtain described
The alternatively corresponding optimal digital code book index of analog beam；And according to the descending channel information and the alternative analog beam pair
The optimal digital code book index answered calculates mixed-beam figuration gain；And by the strongest analog beam of mixed-beam figuration gain
It is obtained with digital beam combination.
17. the determination method of wave beam according to claim 12, which is characterized in that further include:
Data information is sent to terminal in mixed-beam.
18. a kind of terminal characterized by comprising
Receiver, the reference signal sent in the multiple analog beams configured for terminal for receiving network side equipment；
Processor in the multiple analog beam, selects at least one mould for the reception power according to the reference signal
Quasi- wave beam；And according at least one analog beam of selection, alternative analog beam is determined；
Transmitter, for the beam information of the alternative analog beam to be sent to the network side equipment.
19. terminal according to claim 18, which is characterized in that when the processor selects at least one analog beam,
It is specifically used for: according to the reference signal, the reception power of the multiple analog beam is measured, obtains the parameter letter
Number reception power；According to the reception power of the reference signal, in the multiple analog beam, at least one simulation is selected
Wave beam.
20. terminal according to claim 19, which is characterized in that the processor according to the reception power of parameter signal,
When selecting analog beam, it is specifically used for: according to the reception power of the reference signal, in the multiple analog beam, selection
Meet RSRPA>RSRPavailableMultiple first analog beams of × N%；Or the reception power according to the reference signal,
In the multiple analog beam, selection meets RSRPB>RSRPmaxMultiple second analog beams of × N% alternately analog wave
Beam；
Wherein, RSRPAIndicate the reception power of the reference signal of the first analog beam, RSRPavailableExpression can be used for accessing
Analog beam power level；
RSRPBIndicate the reception power of the reference signal of the second analog beam, RSRPmaxIndicate that terminal receives the reception of reference signal
The reception power of the strongest analog beam of power；N is a positive integer.
21. terminal according to claim 20, which is characterized in that the N is the positive integer more than or equal to 95.
22. terminal according to claim 20, which is characterized in that when the processor selects alternative analog beam, specifically
At least one first analog beam or at least one second analog beam for that will select, are determined as alternative analog beam；
If the quantity of at least one the first wave beam of judgement selection or the quantity of at least one the second wave beam are greater than a present count
Value, then from least one first wave beam or at least one second wave beam, selection receives power and is greater than a predetermined power threshold value
M analog beam, alternately analog beam；Or the value of the adjustment N, make the number of at least one the first wave beam of selection
Amount or the quantity of at least one the second wave beam are less than or equal to the default value.
23. terminal according to claim 18, which is characterized in that the receiver is also used to: receiving the network side and set
The standby beam information according to the alternative analog beam received, the configuration information of the detection reference signal SRS of transmission；
The transmitter is also used to send SRS to the network side equipment according to the configuration information, makes the network side equipment
The wave beam letter of the corresponding digital beam of the alternative analog beam is obtained using uplink and downlink channel reciprocity according to the SRS
Breath, and according to the beam information of the beam information of the digital beam and the alternative analog beam, determine mixed-beam.
24. terminal according to claim 18, which is characterized in that the transmitter is also used to according to the alternative analog wave
The codebook set of the beam information of beam and preconfigured digital beam, determines mixed-beam, and by the wave beam of mixed-beam
Information feeds back to the network side equipment.
25. terminal according to claim 24, which is characterized in that the receiver is also used to:
Receive the channel state information reference signals CSI-RS that the network side equipment is sent by the alternative analog beam；
According to the CSI-RS received, descending channel information is obtained；
According to the codebook set of the descending channel information and preconfigured digital beam, the alternative analog beam pair is obtained
The optimal digital code book index answered；
Mixed recharge is calculated according to the corresponding optimal digital code book index of the descending channel information and the alternative analog beam
Beam figuration gain；
By the strongest analog beam of mixed-beam figuration gain and digital beam, it is determined as mixed-beam.
26. the terminal according to claim 24 or 25, which is characterized in that the receiver is also used to receive the network side
The data information that equipment is sent in mixed-beam.
27. a kind of terminal characterized by comprising
Receiving module, the reference signal sent in the multiple analog beams configured for terminal for receiving network side equipment；
Processing module, for selecting at least one in the multiple analog beam according to the reception power of the reference signal
Analog beam；And according at least one analog beam of selection, alternative analog beam is determined；
Sending module, for the beam information of the alternative analog beam to be sent to the network side equipment.
28. a kind of terminal characterized by comprising processor, the memory for being stored with computer program, the computer journey
When sequence is run by processor, such as the described in any item methods of claim 1-10 are executed.
29. a kind of computer readable storage medium, which is characterized in that including instruction, when described instruction computer run when, make
It obtains computer and executes such as the described in any item methods of claim 1-10.
30. a kind of network side equipment characterized by comprising
Transmitter, for sending reference signal to terminal in the multiple analog beams configured for terminal；
Receiver, the beam information of the alternative analog beam for receiving terminal feedback, the alternative analog beam is terminal root
According to the reception power of the reference signal, at least one analog beam is selected in the multiple analog beam, and according to selection
At least one analog beam determine.
31. a kind of network side equipment characterized by comprising
Sending module, for sending reference signal to terminal in the multiple analog beams configured for terminal；
Receiving module, the beam information of the alternative analog beam for receiving terminal feedback, the alternative analog beam is terminal
According to the reception power of the reference signal, at least one analog beam is selected in the multiple analog beam, and according to choosing
What at least one analog beam selected determined.
32. a kind of network side equipment characterized by comprising processor, the memory for being stored with computer program, the meter
When calculation machine program is run by processor, such as the described in any item methods of claim 11-17 are executed.
33. a kind of computer readable storage medium, which is characterized in that including instruction, when described instruction computer run when, make
It obtains computer and executes such as the described in any item methods of claim 11-17.
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| CN201710522946.8A CN109219062B (en) | 2017-06-30 | 2017-06-30 | Beam determination method, terminal and network side equipment |
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| CN201710522946.8A CN109219062B (en) | 2017-06-30 | 2017-06-30 | Beam determination method, terminal and network side equipment |
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| CN112533291A (en) * | 2019-09-18 | 2021-03-19 | 华为技术有限公司 | Resource scheduling method and related equipment |
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| CN109219062B (en) | 2022-04-01 |
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