CN107222288A - A kind of radio transmitting method and device - Google Patents
A kind of radio transmitting method and device Download PDFInfo
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- CN107222288A CN107222288A CN201610164740.8A CN201610164740A CN107222288A CN 107222288 A CN107222288 A CN 107222288A CN 201610164740 A CN201610164740 A CN 201610164740A CN 107222288 A CN107222288 A CN 107222288A
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- wave beam
- prefix
- cyclic prefix
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
- H04L1/0008—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length by supplementing frame payload, e.g. with padding bits
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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
- H04B7/0617—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 for beam forming
Abstract
The embodiment of the present invention provides a kind of radio transmitting method and device, and methods described includes：After row information broadcast is entered, velocity of wave training is carried out, the wave beam training result of the beam shaping weights for indicating each channel is obtained；Processing is optimized to the frame parameter of each channel according to wave beam training result, optimization processing result is obtained；According to the optimization processing result, the information transfer on each channel is realized.
Description
Technical field
The present invention relates to wireless domain, more particularly to a kind of radio transmitting method and device.
Background technology
In traditional high-frequency transmission method, because channel fading is big, power amplification efficiency is low, high-frequency data communication
Beam shaping will be somewhat dependent on.For broadcast channel, control channel, and Traffic Channel are come
Say, because the target that it is each transmitted is different, cause its coverage also different.So, different covering
Scope can cause the beam angle used different with covering subtended angle, and different beam angles will cause wave beam
The difference of interior multidiameter delay.In addition, in the case of using pole narrow beam, because transmission condition is good
It is good, therefore bring the reduction of multidiameter delay.
Therefore, if in high frequency wireless transmission mode, continuing to continue to use existing frame structure or symbolic parameter,
Do not simply fail to meet the transmission demand of high frequency, meanwhile, use identical frame structure also will for different channels
Bring the reduction of efficiency of transmission and the waste of resource.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of radio transmitting method and device to solve the above problems.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of radio transmitting method, and methods described includes：
After row information broadcast is entered, velocity of wave training is carried out, the beam shaping weights for indicating each channel are obtained
Wave beam training result；
Processing is optimized to the frame parameter of each channel according to wave beam training result, optimization processing result is obtained；
According to the optimization processing result, the information transfer on each channel is realized.
It is described that processing is optimized to the frame parameter of each channel according to wave beam training result in such scheme, obtain
To optimization processing result, including：
According to the corresponding relation between the beam shaping weights and wave beam bandwidth of each channel, each channel is updated respectively
Wave beam bandwidth；
Corresponding relation between beam shaping weights and circulating prefix-length based on each channel, respectively in each letter
The cyclic prefix of corresponding length is added before the transmission information in road.
In such scheme, the corresponding relation between the beam shaping weights and wave beam bandwidth according to each channel,
The wave beam bandwidth of each channel is updated respectively, including：
Broadcast channel and multi-user control channel are updated to the first beam tape wide；
Single user control channel and user traffic channel are updated to the second wave beam bandwidth；
Wherein, first beam tape is wider than the second wave beam bandwidth.
It is corresponding between the beam shaping weights and circulating prefix-length based on each channel in such scheme
Relation, adds the cyclic prefix of corresponding length before the transmission information of each channel respectively, including：
Add respectively before broadcast message, multi-user's control information, single user control information and data message
One cyclic prefix, second circulation prefix, the 3rd cyclic prefix and the 4th cyclic prefix；
Wherein, the first circulation prefix, second circulation prefix, the 3rd cyclic prefix and the 4th cyclic prefix
Length be sequentially reduced；The length value of 4th cyclic prefix is more than or equal to zero.
In such scheme, methods described also includes：
Judge whether to need to resist multidiameter delay, obtain judged result；
If the judged result is when need not resist multidiameter delay, by the length of the 4th cyclic prefix
Value value is zero.
The embodiment of the present invention also provides a kind of radio transmitting device, and described device includes wave beam training unit, excellent
Change processing unit and transmission unit；
The wave beam training unit, for after row information broadcast is entered, carrying out velocity of wave training, obtains being used to refer to
Show the wave beam training result of the beam shaping weights of each channel；
The optimization processing unit, for optimizing place to the frame parameter of each channel according to wave beam training result
Reason, obtains optimization processing result；
The transmission unit, for according to the optimization processing result, realizing the information transfer on each channel.
In such scheme, the optimization processing unit includes updating subelement and addition subelement；
The renewal subelement, for corresponding between the beam shaping weights according to each channel and wave beam bandwidth
Relation, updates the wave beam bandwidth of each channel respectively；
The addition subelement, between beam shaping weights and circulating prefix-length based on each channel
Corresponding relation, adds the cyclic prefix of corresponding length before the transmission information of each channel respectively.
In such scheme, the renewal subelement is additionally operable to broadcast channel and multi-user control channel renewal
It is wide to the first beam tape；Single user control channel and user traffic channel are updated to the second wave beam bandwidth；Its
In, first beam tape is wider than the second wave beam bandwidth.
In such scheme, the addition subelement is additionally operable in broadcast message, multi-user's control information, list
First circulation prefix, second circulation prefix, the 3rd circulation are added before subscriber control information and data message respectively
Prefix and the 4th cyclic prefix；Wherein, before the first circulation prefix, second circulation prefix, the 3rd circulation
Sew and the length of the 4th cyclic prefix is sequentially reduced；The length value of 4th cyclic prefix is more than or equal to zero.
In such scheme, described device also includes judging unit；
The judging unit, for judging whether to need to resist multidiameter delay, obtains judged result；
The addition subelement, if being additionally operable to the judged result when need not resist multidiameter delay, to incite somebody to action
The length value value of 4th cyclic prefix is zero.
The radio transmitting method that the embodiment of the present invention is provided, after row information broadcast is entered, carries out velocity of wave training,
Obtain the wave beam training result of the beam shaping weights for indicating each channel；According to wave beam training result to each
The frame parameter of channel optimizes processing, obtains optimization processing result；It is real according to the optimization processing result
The existing information transfer on each channel.In this way, under high-frequency transmission mode, being entered by the frame parameter to each channel
Row optimization processing, such as uses the cyclic prefix of different wave beam bandwidth and different length for different channels
The mode of (Cyclic Prefix, CP), can bring the change of the characteristic of channel using beam shaping；And utilize
The matching of the cyclic prefix of different length effectively improves the efficiency of transmission, reduces transport overhead.
Brief description of the drawings
Fig. 1 is the schematic flow sheet one of radio transmitting method of the embodiment of the present invention；
Fig. 2 is the schematic flow sheet two of radio transmitting method of the embodiment of the present invention；
Fig. 3 is the schematic diagram that different channels of the embodiment of the present invention use different cyclic prefix；
Fig. 4 uses the schematic diagram one of different cyclic prefix for different channels in polytype of the embodiment of the present invention；
Fig. 5 is the schematic flow sheet three of radio transmitting method of the embodiment of the present invention；
Fig. 6 uses the schematic diagram two of different cyclic prefix for different channels in polytype of the embodiment of the present invention；
Fig. 7 implements schematic flow sheet for radio transmitting method of the embodiment of the present invention；
Fig. 8 is the interaction flow schematic diagram of radio transmitting method of the embodiment of the present invention；
Fig. 9 is the composition structural representation of radio transmitting device of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
In embodiments of the present invention, after row information broadcast is entered, velocity of wave training is carried out, obtains being used to indicate respectively
The wave beam training result of the beam shaping weights of channel；The frame parameter of each channel is entered according to wave beam training result
Row optimization processing, obtains optimization processing result；According to the optimization processing result, the letter on each channel is realized
Breath transmission.
Embodiment one
Fig. 1 is the schematic flow sheet one of radio transmitting method of the embodiment of the present invention, as shown in figure 1, of the invention
Embodiment radio transmitting method includes：
Step 101：After row information broadcast is entered, velocity of wave training is carried out, the ripple for indicating each channel is obtained
The wave beam training result of beam excipient weights；
In an embodiment of the embodiment of the present invention, base station obtains terminal feedback after row information broadcast is entered
Positional information；According to acquired positional information, to carry out wave beam training, to obtain being used for indicating each letter
The wave beam training result of the beam shaping weights in road.
Here, the beam shaping weights of each channel are that the wave beam for consulting to determine in advance by base station and terminal is assigned
Type class indication.It is described to be used to indicate that the wave beam training result of the beam shaping weights of each channel be wrapped directly
The beam shaping weights of each channel determined by the positional information of with good grounds terminal are included, can also include is used for
Indicate the relevant information of the beam shaping weights of each channel, such as the beam shaping weights with each channel
Corresponding sequencing information etc..
In the another embodiment of the embodiment of the present invention, base station obtains terminal anti-after row information broadcast is entered
The positional information of feedback；It is all possible to obtain to carry out wave beam training according to acquired positional information
The wave beam training result of beam shaping weights for indicating each channel alternatively collects；Again by terminal described all
Possible wave beam training result alternatively concentrates progress preferred, obtains the beam shaping weights for indicating each channel
Wave beam training result, and the wave beam training result is fed back into base station.Certainly, the terminal is described
It is according to the preferred of terminal itself determination that all possible wave beam training result, which is alternatively concentrated and carries out preferred process,
Rule is determined or randomly selected by terminal.
Step 102：Processing is optimized to the frame parameter of each channel according to wave beam training result, optimized
Result；
Here, the frame parameter of each channel includes wave beam bandwidth and cyclic prefix of each channel etc..
Specifically, base station optimizes the realization of processing according to wave beam training result to the frame parameter of each channel
Journey at least includes the wave beam bandwidth for updating each channel and before the transmission information of each channel adds corresponding length respectively
Cyclic prefix.
Step 103：According to the optimization processing result, the information transfer on each channel is realized.
By radio transmitting method described in the embodiment of the present invention, after row information broadcast is entered, velocity of wave training is carried out,
Obtain the wave beam training result of the beam shaping weights for indicating each channel；According to wave beam training result to each
The frame parameter of channel optimizes processing, obtains optimization processing result；According to optimization processing result, realize each
Information transfer on channel.In this way, under high-frequency transmission mode, being carried out by the frame parameter to each channel excellent
Change is handled, such as different channels by the way of the cyclic prefix of different wave beam bandwidth and different length,
The change of the characteristic of channel can be brought using beam shaping；And have using the matching of the cyclic prefix of different length
Effect improves the efficiency of transmission, reduces transport overhead.
Embodiment two
Fig. 2 is the schematic flow sheet two of radio transmitting method of the embodiment of the present invention, as shown in Fig. 2 of the invention
Embodiment radio transmitting method includes：
Step 101：After row information broadcast is entered, velocity of wave training is carried out, the ripple for indicating each channel is obtained
The wave beam training result of beam excipient weights；
Step 1021：According to the corresponding relation between the beam shaping weights and wave beam bandwidth of each channel, difference
Update the wave beam bandwidth of each channel；
In implementation process of the embodiment of the present invention, base station according to the beam shaping weights of each channel and wave beam bandwidth it
Between corresponding relation, the wave beam bandwidth of each channel is updated respectively, including：Broadcast channel and multi-user are controlled
It is wide that channel is updated to the first beam tape；Single user control channel and user traffic channel are updated to the second wave beam
Bandwidth；Wherein, first beam tape is wider than the second wave beam bandwidth.
So, during being wirelessly transferred, broadcast channel and multi-user control channel use wider wave beam
Excipient width, i.e. the first beam tape are wide, to ensure larger coverage；And single user control channel and use
Family Traffic Channel, then using narrower wider beam shaping width, i.e. the second wave beam bandwidth.In this way, logical
The change of the characteristic of channel can be brought using beam shaping by crossing the mode for the wave beam bandwidth for updating each channel.
It should be added that, broadcast channel and multi-user control channel are updated to the first beam tape wide simultaneously
Same wave beam bandwidth must be used by being not used in the restriction broadcast channel and multi-user control channel, similarly, will
Single user control channel and user traffic channel are updated to the second wave beam bandwidth, are also not used to limit the list
User's control channel and user traffic channel must use same wave beam bandwidth.Above-mentioned first beam tape is wide and institute
The introducing for stating the second wave beam bandwidth is used only to show what the broadcast channel and multi-user control channel were used
Wave beam bandwidth is greater than the wave beam bandwidth that single user control channel and user traffic channel are used.
Step 1022：Corresponding relation between beam shaping weights and circulating prefix-length based on each channel,
The cyclic prefix of corresponding length is added before the transmission information of each channel respectively；
In implementation process of the embodiment of the present invention, as shown in figure 3, beam shaping weights of the base station based on each channel
Corresponding relation between circulating prefix-length, adds corresponding length before the transmission information of each channel respectively
Cyclic prefix, including：In broadcast message, multi-user's control information, single user control information and data message
The preceding first circulation prefix CP-1 of addition respectively, second circulation prefix CP-2, the 3rd cyclic prefix CP -3 and the
Four cyclic prefix CPs -4；Wherein, the first circulation prefix CP-1, second circulation prefix CP-2, the 3rd
The length of cyclic prefix CP -3 and the 4th cyclic prefix CP -4 is sequentially reduced；4th cyclic prefix CP -4
Length value be more than or equal to zero.
Corresponding length is added before the transmission information of each channel based on step 1022 of the embodiment of the present invention respectively
The process of cyclic prefix, can be directed to different business and user's request, obtain multiple types as shown in Figure 4
The optimization processing result of type, that is, configure following for different broadcast messages, control information and business information
Ring prefix CP transmission means.
Step 103：According to the optimization processing result, the information transfer on each channel is realized.
By radio transmitting method described in the embodiment of the present invention, processing is optimized in the frame parameter to each channel
During, according to the corresponding relation between the beam shaping weights and wave beam bandwidth of each channel, update respectively
It is corresponding between the wave beam bandwidth of each channel, and beam shaping weights and circulating prefix-length based on each channel
Relation, adds the cyclic prefix of corresponding length before the transmission information of each channel respectively.In such manner, it is possible to using
Beam shaping brings the change of the characteristic of channel；And effectively improve biography using the matching of the cyclic prefix of different length
Defeated efficiency, reduces transport overhead.
Embodiment three
Fig. 5 is the schematic flow sheet three of radio transmitting method of the embodiment of the present invention, as shown in figure 5, of the invention
Embodiment radio transmitting method includes：
Step 101：After row information broadcast is entered, velocity of wave training is carried out, the ripple for indicating each channel is obtained
The wave beam training result of beam excipient weights；
Step 1021：According to the corresponding relation between the beam shaping weights and wave beam bandwidth of each channel, difference
Update the wave beam bandwidth of each channel；
In implementation process of the embodiment of the present invention, base station according to the beam shaping weights of each channel and wave beam bandwidth it
Between corresponding relation, the wave beam bandwidth of each channel is updated respectively, including：Broadcast channel and multi-user are controlled
It is wide that channel is updated to the first beam tape；Single user control channel and user traffic channel are updated to the second wave beam
Bandwidth；Wherein, first beam tape is wider than the second wave beam bandwidth.
So, during being wirelessly transferred, broadcast channel and multi-user control channel use wider wave beam
Excipient width, i.e. the first beam tape are wide, to ensure larger coverage；And single user control channel and use
Family Traffic Channel, then using narrower wider beam shaping width, i.e. the second wave beam bandwidth.In this way, logical
The change of the characteristic of channel can be brought using beam shaping by crossing the mode for the wave beam bandwidth for updating each channel.
It should be added that, broadcast channel and multi-user control channel are updated to the first beam tape wide simultaneously
Same wave beam bandwidth must be used by being not used in the restriction broadcast channel and multi-user control channel, similarly, will
Single user control channel and user traffic channel are updated to the second wave beam bandwidth, are also not used to limit the list
User's control channel and user traffic channel must use same wave beam bandwidth.Above-mentioned first beam tape is wide and institute
The introducing for stating the second wave beam bandwidth is used only to show what the broadcast channel and multi-user control channel were used
Wave beam bandwidth is greater than the wave beam bandwidth that single user control channel and user traffic channel are used.
Step 1022：Corresponding relation between beam shaping weights and circulating prefix-length based on each channel,
The cyclic prefix of corresponding length is added before the transmission information of each channel respectively；
In implementation process of the embodiment of the present invention, as shown in figure 3, beam shaping weights of the base station based on each channel
Corresponding relation between circulating prefix-length, adds corresponding length before the transmission information of each channel respectively
Cyclic prefix, including：In broadcast message, multi-user's control information, single user control information and data message
The preceding first circulation prefix CP-1 of addition respectively, second circulation prefix CP-2, the 3rd cyclic prefix CP -3 and the
Four cyclic prefix CPs -4；Wherein, the first circulation prefix CP-1, second circulation prefix CP-2, the 3rd
The length of cyclic prefix CP -3 and the 4th cyclic prefix CP -4 is sequentially reduced；4th cyclic prefix CP -4
Length value be more than or equal to zero.
Step 501：Judge whether to need to resist multidiameter delay, obtain judged result；
Specifically, during wave beam is trained, by way of judging whether to need confrontation multidiameter delay come
Determine whether data information transfer is supported without using cyclic prefix enough.
Step 502：If the judged result is when need not resist multidiameter delay, by the described 4th circulation
The length value value of prefix is zero；
Here, if the judged result is when need not resist multidiameter delay, by the 4th cyclic prefix
Length value value be zero, that is, show the data information transfer enough support without using cyclic prefix, such as scheme
Shown in 6.
It should be added that, if the judged result is needs during confrontation multidiameter delay, by described the
The length value value of four cyclic prefix is non-zero, that is, showing that the data information transfer can not be met does not make
Use cyclic prefix.
Step 103：According to the optimization processing result, the information transfer on each channel is realized.
By radio transmitting method described in the embodiment of the present invention, added respectively before the transmission information of each channel
During the cyclic prefix of corresponding length, judge whether to need to resist multidiameter delay, obtain judged result,
If the judged result is that when need not resist multidiameter delay, the length value of the 4th cyclic prefix is taken
Value is zero, that is, shows that the data information transfer is supported without using cyclic prefix enough.In such manner, it is possible to using
Beam shaping brings the change of the characteristic of channel；And effectively improve biography using the matching of the cyclic prefix of different length
Defeated efficiency, reduces transport overhead.
Example IV
Fig. 7 implements schematic flow sheet for radio transmitting method of the embodiment of the present invention, as shown in fig. 7,
Radio transmitting method of the embodiment of the present invention includes：
Step 1：Base station issues broadcast message to terminal；
Step 2：Base station carries out wave beam training；
Step 3A：According to wave beam training result optimizing broadcasting beam and its form of transmission frame；
Step 3B：According to wave beam training result optimal control channel rays and its frame parameter；
Here, the control channel includes multiuser channel and single user channel.
Step 4：The deterministic process for whether needing to resist multidiameter delay is performed, that is, is needed to anti-multipath LOS/
Anti-multipath NLOS paths need not be judged；
Step 5：According to LOS/NLOS paths judged result, further to optimize the ripple of Traffic Channel
Beam and its frame parameter；
Step 6：On the basis of each channel optimization processing, the information transfer on each channel is realized.
In this way, under high-frequency transmission mode, optimizing processing by the frame parameter to each channel, being such as directed to
Different channels can be assigned by the way of the cyclic prefix of different wave beam bandwidth and different length using wave beam
Type brings the change of the characteristic of channel；And effectively improve the effect of transmission using the matching of the cyclic prefix of different length
Rate, reduces transport overhead.
Embodiment five
Fig. 8 is the interaction flow schematic diagram of radio transmitting method of the embodiment of the present invention, as shown in figure 8, this hair
Bright embodiment radio transmitting method includes：
Step 801, base station issues broadcast message, wherein, comprising broadcast and its can be with the broadcast message
The configured information of auxiliary judgment user's approximate location.
Step 802, terminal feedback position information, the positional information be used for show terminal approximate location or
The relative position of person's respective base station, the positional information includes and the distance between base station and its locality.
Step 803, the positional information that base station is fed back according to terminal carries out wave beam training.
Step 804, terminal is on the basis of wave beam training result, to broadcast of the base station feedback after training,
Control, the weights of business beam or the related wave beam training result indicated, the wave beam training result will be used
In the follow-up configuration to each transmission mode of auxiliary.Certainly, terminal can be included in the wave beam training result
The multidiameter delay length information of confrontation is needed, the multidiameter delay length letter that terminal needs to resist can also not included
Breath.
Step 805a, base station issues frame parameter and its relevant information of each channel etc., helps user to carry out phase
Close the demodulation or processing of channel.
It should be noted that step 805a is option, if the frame parameter of each channel and its related letter
Breath can be issued with channel, then do not need this step.
Step 805b, base station broadcasted according to preferred beam shaping parameter, frame configuration parameter, controlled,
The transmission of Traffic Channel, terminal carries out related demodulation according to configuration.Wherein configuration information can be with issuing
Business is transmitted, and allows terminal to know related configuration without special signaling.
Step 805c, broadcast, control, the frame parameter of Traffic Channel are transmitted in the way of configuring before,
Terminal is received according to configuration before.
Embodiment six
Fig. 9 is the composition structural representation of radio transmitting device of the embodiment of the present invention, as shown in figure 9, described
Device includes wave beam training unit 901, optimization processing unit 902 and transmission unit 903；
The wave beam training unit 901, for after row information broadcast is entered, carrying out velocity of wave training, being used
In the wave beam training result for the beam shaping weights for indicating each channel；
The optimization processing unit 902, it is excellent for being carried out according to wave beam training result to the frame parameter of each channel
Change is handled, and obtains optimization processing result；
The transmission unit 903, for according to the optimization processing result, realizing that the information on each channel is passed
It is defeated.
In the embodiment of the embodiment of the present invention, as shown in figure 9, the optimization processing unit 902 includes
Update subelement 9021 and addition subelement 9022；
The renewal subelement 9021, between the beam shaping weights and wave beam bandwidth according to each channel
Corresponding relation, updates the wave beam bandwidth of each channel respectively；
The addition subelement 9022, for the beam shaping weights based on each channel and circulating prefix-length it
Between corresponding relation, respectively before the transmission information of each channel add corresponding length cyclic prefix.
In the embodiment of the embodiment of the present invention, the renewal subelement 9021 is additionally operable to broadcast channel
It is wide that the first beam tape is updated to multi-user control channel；By single user control channel and user traffic channel more
Newly to the second wave beam bandwidth；Wherein, first beam tape is wider than the second wave beam bandwidth.
In the embodiment of the embodiment of the present invention, it is described addition subelement 9022, be additionally operable to broadcast message,
First circulation prefix, second are added respectively before multi-user's control information, single user control information and data message
Cyclic prefix, the 3rd cyclic prefix and the 4th cyclic prefix；Wherein, the first circulation prefix, second follow
The length of ring prefix, the 3rd cyclic prefix and the 4th cyclic prefix is sequentially reduced；4th cyclic prefix
Length value is more than or equal to zero.
In the embodiment of the embodiment of the present invention, described device also includes judging unit 904；
The judging unit 904, for judging whether to need to resist multidiameter delay, obtains judged result；
It is described addition subelement 9022, if be additionally operable to the judged result for need not resist multidiameter delay when,
It is then zero by the length value value of the 4th cyclic prefix.
In actual applications, the embodiment of the present invention is wrapped for constituting each unit and its each unit of described device
The subelement included can be realized by the processor in described device, can also pass through specific logic circuit
Realize；Such as, in actual applications, can be by the central processing unit in described device own base station equipment
(CPU), microprocessor (MPU), digital signal processor (DSP) or field-programmable gate array
(FPGA) is arranged to realize.
It need to be noted that be：Apparatus above implement item description, with the above method description be it is similar,
With the same identical of embodiment of the method one to five beneficial effect, therefore do not repeat.It is real for apparatus of the present invention
The ins and outs not disclosed in example are applied, those skilled in the art refer to the inventive method embodiment one to five
Description and understand, for save length, repeat no more here.
Described above is only the embodiment of the embodiment of the present invention, it is noted that for the general of the art
For logical technical staff, on the premise of principle of the embodiment of the present invention is not departed from, some improvement can also be made
And retouching, these improvements and modifications also should be regarded as the protection domain of the embodiment of the present invention.
Claims (10)
1. a kind of radio transmitting method, it is characterised in that methods described includes：
After row information broadcast is entered, velocity of wave training is carried out, the beam shaping weights for indicating each channel are obtained
Wave beam training result；
Processing is optimized to the frame parameter of each channel according to wave beam training result, optimization processing result is obtained；
According to the optimization processing result, the information transfer on each channel is realized.
2. according to the method described in claim 1, it is characterised in that it is described according to wave beam training result to each
The frame parameter of channel optimizes processing, obtains optimization processing result, including：
According to the corresponding relation between the beam shaping weights and wave beam bandwidth of each channel, each channel is updated respectively
Wave beam bandwidth；
Corresponding relation between beam shaping weights and circulating prefix-length based on each channel, respectively in each letter
The cyclic prefix of corresponding length is added before the transmission information in road.
3. method according to claim 2, it is characterised in that the beam shaping according to each channel
Corresponding relation between weights and wave beam bandwidth, updates the wave beam bandwidth of each channel respectively, including：
Broadcast channel and multi-user control channel are updated to the first beam tape wide；
Single user control channel and user traffic channel are updated to the second wave beam bandwidth；
Wherein, first beam tape is wider than the second wave beam bandwidth.
4. method according to claim 2, it is characterised in that the beam shaping based on each channel
Corresponding relation between weights and circulating prefix-length, adds corresponding long before the transmission information of each channel respectively
The cyclic prefix of degree, including：
Add respectively before broadcast message, multi-user's control information, single user control information and data message
One cyclic prefix, second circulation prefix, the 3rd cyclic prefix and the 4th cyclic prefix；
Wherein, the first circulation prefix, second circulation prefix, the 3rd cyclic prefix and the 4th cyclic prefix
Length be sequentially reduced；The length value of 4th cyclic prefix is more than or equal to zero.
5. method according to claim 4, it is characterised in that methods described also includes：
Judge whether to need to resist multidiameter delay, obtain judged result；
If the judged result is when need not resist multidiameter delay, by the length of the 4th cyclic prefix
Value value is zero.
6. a kind of radio transmitting device, it is characterised in that described device includes wave beam training unit, at optimization
Manage unit and transmission unit；
The wave beam training unit, for after row information broadcast is entered, carrying out velocity of wave training, obtains being used to refer to
Show the wave beam training result of the beam shaping weights of each channel；
The optimization processing unit, for optimizing place to the frame parameter of each channel according to wave beam training result
Reason, obtains optimization processing result；
The transmission unit, for according to the optimization processing result, realizing the information transfer on each channel.
7. device according to claim 6, it is characterised in that the optimization processing unit includes updating
Subelement and addition subelement；
The renewal subelement, for corresponding between the beam shaping weights according to each channel and wave beam bandwidth
Relation, updates the wave beam bandwidth of each channel respectively；
The addition subelement, between beam shaping weights and circulating prefix-length based on each channel
Corresponding relation, adds the cyclic prefix of corresponding length before the transmission information of each channel respectively.
8. device according to claim 7, it is characterised in that
The renewal subelement, is additionally operable to broadcast channel and multi-user control channel being updated to the first beam tape
It is wide；Single user control channel and user traffic channel are updated to the second wave beam bandwidth；Wherein, described first
Beam tape is wider than the second wave beam bandwidth.
9. device according to claim 7, it is characterised in that
The addition subelement, is additionally operable in broadcast message, multi-user's control information, single user control information
And add first circulation prefix, second circulation prefix, the 3rd cyclic prefix before data message respectively and the 4th follow
Ring prefix；Wherein, the first circulation prefix, second circulation prefix, the 3rd cyclic prefix and the 4th circulation
The length of prefix is sequentially reduced；The length value of 4th cyclic prefix is more than or equal to zero.
10. device according to claim 9, it is characterised in that described device also includes judging unit；
The judging unit, for judging whether to need to resist multidiameter delay, obtains judged result；
The addition subelement, if being additionally operable to the judged result when need not resist multidiameter delay, to incite somebody to action
The length value value of 4th cyclic prefix is zero.
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