CN106713204A - Waveform configuration method and apparatus - Google Patents
Waveform configuration method and apparatus Download PDFInfo
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- CN106713204A CN106713204A CN201610319138.7A CN201610319138A CN106713204A CN 106713204 A CN106713204 A CN 106713204A CN 201610319138 A CN201610319138 A CN 201610319138A CN 106713204 A CN106713204 A CN 106713204A
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- contoured configuration
- configuration message
- idft
- dft
- contoured
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
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- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a waveform configuration method and apparatus. The method applied to a sending end comprises the following steps: receiving a waveform configuration message sent by a receiving end or a network side, wherein the waveform configuration message comprises waveform information used by the sending end; performing IDFT preprocessing on an input signal according to the waveform configuration message; performing IDFT on the input signal after the IDFT preprocessing according to an IDFT point parameter to obtain an output signal; and performing IDFT post processing on the output signal according to the waveform configuration message. The method applied to the receiving end comprises the following steps: receiving a waveform configuration message sent by the sending end or the network side, wherein the waveform configuration message comprises waveform information used by the receiving end; performing IDFT preprocessing on an input signal according to the waveform configuration message; performing IDFT on the input signal after the IDFT preprocessing according to an IDFT point parameter to obtain an output signal; and performing IDFT post processing on the output signal according to the waveform configuration message. By adoption of the waveform configuration method and apparatus provided by the invention, the waveform is flexibly configured according to specific scenes, and the waveform most suitable for the current scene is determined.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of contoured configuration method and device.
Background technology
Wireless communication system is made up of transmission equipment, receiving device and the part of transmission media three, using radio magnetic wave as
Transmission media realizes the transmission of information and data between transmission equipment and receiving device.In wireless communication procedure, equipment is sent
The information that will be sent is converted into electric signal, the enough high frequency electric oscillation of intensity is then converted electrical signals to, finally by day
Line is by high-frequency electrical transition for electromagnetism wave direction transmission media is radiated；The electromagnetism that receiving device is come spatial by antenna
Ripple is converted into high frequency electric oscillation, is then electric signal by high-frequency electrical transition, finally converts electrical signals to transmitted letter
Breath.
At present, in existing LTE (Long Term Evolution, Long Term Evolution) system, downward traveling waveform is fixed as base
In the multicarrier CP-OFDM of IDFT (Inverse Discrete Fourier Transform, inverse discrete Fourier transform)
(Cyclic Prefix-Orthogonal Frequency Division Multiplexing, based on the orthogonal of Cyclic Prefix
Frequency division multiplexing), up waveform is fixed as adding DFT (Discrete Fourier Transform, direct computation of DFT before IDFT
Leaf transformation) formed SC-FDMA (Single-carrier Frequency-Division Multiple Access, single carrier
Frequency division multiple access).
Realize it is of the invention during, inventor find at least there is following technical problem in the prior art：
Existing wireless communication system is wirelessly transferred only with a kind of waveform of fixation, it is impossible to selected according to concrete scene
Select the waveform for being best suitable for current scene.
The content of the invention
The contoured configuration method and device that the present invention is provided, can carry out flexible configuration, really according to concrete scene to waveform
Surely it is best suitable for the waveform of current scene.
In a first aspect, the present invention provides a kind of contoured configuration method, methods described is applied to transmitting terminal, methods described bag
Include：
The contoured configuration message that receiving terminal or network side send is received, the contoured configuration message includes the transmitting terminal
The shape information for being used；
IDFT pre-treatments are carried out to input signal according to the contoured configuration message；
IDFT is carried out to the input signal by IDFT pre-treatments according to IDFT points parameters, output signal is obtained；
IDFT post processings are carried out to the output signal according to the contoured configuration message.
Optionally, the receiving terminal or the contoured configuration message of network side transmission of receiving includes：Receive receiving terminal or network
The contoured configuration message that side is sent with fixed waveform by system broadcast message.Optionally, the contoured configuration message includes
The configuration of hybrid waveform and/or mixing subcarrier spacing.
Optionally, methods described also includes：
Contoured configuration message is sent to the receiving terminal, the contoured configuration message includes what the receiving terminal was used
Shape information.
Second aspect, the present invention provides a kind of contoured configuration method, and methods described is applied to receiving terminal, methods described bag
Include：
The contoured configuration message that receiving end/sending end or network side send, the contoured configuration message includes the receiving terminal
The shape information for being used；
DFT pre-treatments are carried out to input signal according to the contoured configuration message；
DFT is carried out to the input signal by DFT pre-treatments according to DFT points parameters, output signal is obtained；
DFT post processings are carried out to the output signal according to the contoured configuration message.
Optionally, the contoured configuration message that the receiving end/sending end or network side send includes：Receiving end/sending end or network
The contoured configuration message that side is sent with fixed waveform by system broadcast message.
Optionally, the contoured configuration message includes the configuration of hybrid waveform and/or mixing subcarrier spacing.
Optionally, methods described also includes：
Contoured configuration message is sent to the transmitting terminal, the contoured configuration message includes what the transmitting terminal was used
Shape information.
The third aspect, the present invention provides a kind of contoured configuration device, and described device is located at transmitting terminal, and described device includes：
First receiving unit, for receiving the contoured configuration message that receiving terminal or network side send, the contoured configuration disappears
Breath includes the shape information that the transmitting terminal is used；
IDFT pretreatment units, for carrying out IDFT pre-treatments to input signal according to the contoured configuration message；
IDFT units, for carrying out IDFT to the input signal by IDFT pre-treatments according to IDFT points parameters, obtain
Output signal；
IDFT post-processing units, for carrying out IDFT post processings to the output signal according to the contoured configuration message.
Optionally, first receiving unit, system broadcasts are passed through for receiving receiving terminal or network side with fixed waveform
The contoured configuration message that message sends.
Optionally, the contoured configuration message includes the configuration of hybrid waveform and/or mixing subcarrier spacing.
Optionally, described device also includes：
First transmitting element, for sending contoured configuration message to the receiving terminal, the contoured configuration message includes
The shape information that the receiving terminal is used.
Fourth aspect, the present invention provides a kind of contoured configuration device, and described device is located at receiving terminal, and described device includes：
Second receiving unit, for the contoured configuration message that receiving end/sending end or network side send, the contoured configuration disappears
Breath includes the shape information that the receiving terminal is used；
DFT pretreatment units, for carrying out DFT pre-treatments to input signal according to the contoured configuration message；
DFT units, for carrying out DFT to the input signal by DFT pre-treatments according to DFT points parameters, are exported
Signal；
DFT post-processing units, for carrying out DFT post processings to the output signal according to the contoured configuration message.
Optionally, second receiving unit, system broadcasts are passed through for receiving end/sending end or network side with fixed waveform
The contoured configuration message that message sends.
Optionally, the contoured configuration message includes the configuration of hybrid waveform and/or mixing subcarrier spacing.
Optionally, described device also includes：
Second transmitting element, for sending contoured configuration message to the transmitting terminal, the contoured configuration message includes
The shape information that the transmitting terminal is used.
Contoured configuration method and device provided in an embodiment of the present invention, transmitting terminal receives the ripple that receiving terminal or network side send
Shape configures message, and the contoured configuration message includes the shape information that transmitting terminal is used, according to contoured configuration message to defeated
Entering signal carries out IDFT pre-treatments, and IDFT is carried out to the input signal by IDFT pre-treatments according to IDFT points parameters, obtains
Output signal, IDFT post processings are carried out according to contoured configuration message to output signal；Receiving terminal receiving end/sending end or network side are sent out
The contoured configuration message sent, the contoured configuration message includes the shape information that receiving terminal is used, and is disappeared according to contoured configuration
Breath carries out DFT pre-treatments to input signal, and DFT is carried out to the input signal by DFT pre-treatments according to DFT points parameters, obtains
To output signal, DFT post processings are carried out to output signal according to contoured configuration message.Compared with prior art, the present invention can
According to the shape information in contoured configuration message, according to concrete scene carry out corresponding IDFT pre-treatments/DFT pre-treatments operation and
IDFT post processing/DFT post-processing operations, flexible configuration is carried out to waveform, it is determined that the waveform of current scene is best suitable for, so that
Signal is transmitted under the waveform for being best suitable for current scene, improves the efficiency of transmission of signal.
Brief description of the drawings
Fig. 1 is the flow chart of the contoured configuration method positioned at transmitting terminal provided in an embodiment of the present invention；
Fig. 2 is the signal transmission schematic diagram of the contoured configuration method shown in Fig. 1；
Fig. 3 is the flow chart of the contoured configuration method positioned at receiving terminal provided in an embodiment of the present invention；
Fig. 4 is the signal transmission schematic diagram of the contoured configuration method shown in Fig. 3；
Fig. 5 is the structural representation of the contoured configuration device positioned at transmitting terminal provided in an embodiment of the present invention；
Fig. 6 is the structural representation of the contoured configuration device positioned at receiving terminal provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of contoured configuration method, and methods described is applied to transmitting terminal, as shown in figure 1, described
Method includes：
S11, the contoured configuration message for receiving receiving terminal or network side transmission, the contoured configuration message include the hair
The shape information that sending end is used.
Optionally, the contoured configuration message can by fixed waveform, be placed in system broadcast message and transmit, that is,
Say, the transmitting terminal can receive receiving terminal or network side and be disappeared by the contoured configuration that system broadcast message sends with fixed waveform
Breath.By changing the contoured configuration message, the shape information that the transmitting terminal is used can be modified.
S12, IDFT pre-treatments are carried out to input signal according to the contoured configuration message.
S13, parameter of being counted according to IDFT carry out IDFT to the input signal by IDFT pre-treatments, obtain output signal.
Wherein, the IDFT can be IFFT (Inverse Fast Fourier Transform, fast Fourier transforma
Change).
S14, IDFT post processings are carried out to the output signal according to the contoured configuration message.
Contoured configuration method provided in an embodiment of the present invention, transmitting terminal receives the contoured configuration that receiving terminal or network side send
Message, the contoured configuration message includes the shape information that transmitting terminal is used, according to contoured configuration message to input signal
IDFT pre-treatments are carried out, IDFT is carried out to the input signal by IDFT pre-treatments according to IDFT points parameters, obtain output letter
Number, IDFT post processings are carried out to output signal according to contoured configuration message.Compared with prior art, the present invention can be according to waveform
Shape information in configuration message, locates after carrying out corresponding IDFT pre-treatments/DFT pre-treatments operation and IDFT according to concrete scene
Reason/DFT post-processing operations, flexible configuration is carried out to waveform, it is determined that the waveform of current scene is best suitable for, so that signal is most
It is adapted to be transmitted under the waveform of current scene, improves the efficiency of transmission of signal.
The signal transmission schematic diagram of the contoured configuration method being illustrated in figure 2 shown in Fig. 1.
How be exemplified below carries out contoured configuration according to contoured configuration message.To there is M son in a time-domain symbol
As a example by carrier wave.
It should be noted that the i.e. IDFT pre-treatments of the Pre-IDFT that appear below, Post-IDFT is IDFT post processings.
When the shape information that the contoured configuration message includes is CP-OFDM, Pre-IDFT does not process operation,
IDFT points parameters are M, and the operation of Post-IDFT is plus Cyclic Prefix (CP).
When the shape information that the contoured configuration message includes is SC-FDMA, the operation of Pre-IDFT is DFT,
IDFT points parameters are M, and Post-IDFT does not process operation.
When the shape information that the contoured configuration message includes is W-OFDM (Windowing Orthogonal
Frequency Division Multiplexing, windowed orthogonal frequency point multiplexing) when, Pre-IDFT does not process operation, IDFT
Points parameter is M, and the operation of Post-IDFT is time domain windowing+fold sum (time-domain windowed+superposition).
When the shape information that the contoured configuration message includes is FBMC-OQAM (Filter Bank
Multicarrier with Offset Quadrature Amplitude Modulation, with staggeredly quadrature amplitude modulation
Filter bank multi-carrier) when, the operation of Pre-IDFT is complex2real (plural number becomes real number), and IDFT points parameters are M,
The operation of Post-IDFT is PPN (Poly Phaze Network).
Optionally, the configuration of hybrid waveform and/or mixing subcarrier spacing can be included in the contoured configuration message.From
And more accurate contoured configuration can be carried out to complex scene, it is determined that being best suitable for the waveform of current complex scene so that signal exists
It is best suitable for being transmitted under the waveform of current complex scene, improves the efficiency of transmission of signal.
For example, when the shape information that the contoured configuration message includes is for mixing subcarrier spacing, Pre-IDFT's
It is+Zero insertion (zero insertion) to operate, and the operation of Post-IDFT is+Time-domain sample collection
And combination (time-domain sampling is collected and combined).
When the shape information that the contoured configuration message includes is hybrid waveform, transmitting terminal distributes different subband bands
Width gives different waveforms, carries out Pre-IDFT and Post-IDFT operations to different waveforms on different sub-band respectively.
Further, the transmitting terminal can also send contoured configuration message to the receiving terminal, and the contoured configuration disappears
Breath includes the shape information that the receiving terminal is used.
Wherein, the contoured configuration message that the transmitting terminal sends to the receiving terminal, with connecing that the transmitting terminal is received
The content of the contoured configuration message that receiving end or network side send can be differed, but, what the receiving terminal that the former includes was used
Shape information is identical with the shape information that the transmitting terminal that the latter includes is used, so that in a complete signal transmission flow
The waveform for being used is identical.
The embodiment of the present invention also provides another contoured configuration method, and methods described is applied to receiving terminal, such as Fig. 3 institutes
Show, methods described includes：
The contoured configuration message that S31, receiving end/sending end or network side send, the contoured configuration message includes described connecing
The shape information that receiving end is used.
Optionally, the contoured configuration message can by fixed waveform, be placed in system broadcast message and transmit, that is,
Say, the receiving terminal can be disappeared with fixed waveform with receiving end/sending end or network side by the contoured configuration that system broadcast message sends
Breath.By changing the contoured configuration message, the shape information that the receiving terminal is used can be modified.
S32, DFT pre-treatments are carried out to input signal according to the contoured configuration message.
S33, parameter of being counted according to DFT carry out DFT to the input signal by DFT pre-treatments, obtain output signal.
Wherein, the DFT can be FFT (Fast Fourier Transform, Fast Fourier Transform (FFT)).
S34, DFT post processings are carried out to the output signal according to the contoured configuration message.
The contoured configuration that contoured configuration method provided in an embodiment of the present invention, receiving terminal receiving end/sending end or network side send
Message, the contoured configuration message includes the shape information that receiving terminal is used, according to contoured configuration message to input signal
DFT pre-treatments are carried out, DFT is carried out to the input signal by DFT pre-treatments according to DFT points parameters, obtain output signal, root
DFT post processings are carried out to output signal according to contoured configuration message.Compared with prior art, the present invention can disappear according to contoured configuration
Shape information in breath, corresponding IDFT pre-treatments/DFT pre-treatments operation and IDFT post processings/DFT are carried out according to concrete scene
Post-processing operation, flexible configuration is carried out to waveform, it is determined that the waveform of current scene is best suitable for, so that signal is being best suitable for working as
It is transmitted under the waveform of preceding scene, improves the efficiency of transmission of signal.
The signal transmission schematic diagram of the contoured configuration method being illustrated in figure 4 shown in Fig. 3.
Receiving terminal carries out the mode of contoured configuration and receiving terminal according to contoured configuration message to be carried out according to contoured configuration message
The mode of contoured configuration is corresponding, according to specific shape information, can be carried out specifically using mode specified in existing protocol
Contoured configuration, will not be repeated here.
Further, the receiving terminal can also send contoured configuration message to the transmitting terminal, and the contoured configuration disappears
Breath includes the shape information that the transmitting terminal is used.
Wherein, the contoured configuration message that the receiving terminal sends to the transmitting terminal, the hair received with the receiving terminal
The content of the contoured configuration message that sending end or network side send can be differed, but, what the transmitting terminal that the former includes was used
Shape information is identical with the shape information that the receiving terminal that the latter includes is used, so that in a complete signal transmission flow
The waveform for being used is identical.
In above-mentioned each method embodiment, the receiving terminal and transmitting terminal can be eNB (Evolved Node B, evolution
Type node, i.e. base station) or UE (User Equipment, user equipment)；
When transmitting terminal is that eNB, receiving terminal are UE, eNB first can receive contoured configuration message, then basis from network side
The contoured configuration message regenerates new contoured configuration message and is sent to UE；Or, the shape information hair that UE itself will first be supported
ENB is given, eNB accordingly generates contoured configuration message and is sent to UE again；
When transmitting terminal be UE, receiving terminal be eNB when, UE can will itself support shape information pass through contoured configuration message
It is sent to eNB；Or, the shape information that eNB first supports itself is sent to UE, and UE accordingly generates the transmission of contoured configuration message again
To eNB.
As a example by carrying out radio communication between eNB and UE, the contoured configuration under different scenes is described below.
In extensive MTC (Machine Type Communications, a machine type communication) deployment scenario,
System broadcast message BCH (Broadcast Channel, broadcast channel) is sent using CP-OFDM, and other down channels use W-
OFDM, up channel uses FBMC-OQAM.Base station receives network side and notifies, PDCCH (Physical are carried out using W-OFDM
Downlink Control Channel Physical Downlink Control Channel) and PDSCH (Physical Downlink Shared
Channel, Physical Downlink Shared Channel) send, carry out PUCCH (Physical Uplink Control using FBMC-OQAM
Channel, Physical Uplink Control Channel) (Physical Uplink Shared Channel, physical uplink is shared with PUSCH
Channel) receive, base station therefore to Pre-IDFT/Post-IDFT, Pre-DFT/Post-DFT and IDFT/DFT it is corresponding count into
Row configuration, and contoured configuration message is sent to MTC UE by system broadcast message.MTC UE disappear receiving system broadcasts
After breath, contoured configuration is parsed, and the configuration that respective waveforms send and receive is made in UE sides.
In a cell deployment scene, eNB need to support to mix subcarrier bandwidth.ENB is selected according to minimum subcarrier bandwidth
IDFT points are selected, according to subcarrier bandwidth pair on the basis of the Pre-IDFT operations of single subcarrier bandwidth in Pre-IDFT
IDFT is input into zero insertion, in the corresponding time domain chip of Post-IDFT operation selections of single subcarrier bandwidth in Post-IDFT.
In a cell deployment scene, eNB need to support hybrid waveform.ENB distributes different subband bandwidth to different
Waveform, carries out Pre-IDFT/IDFT/Post-IDFT operations on different sub-band to different waveforms respectively.
The embodiment of the present invention provides a kind of contoured configuration device, and described device is located at transmitting terminal, as shown in figure 5, the dress
Put including：
First receiving unit 11, for receiving the contoured configuration message that receiving terminal or network side send, the contoured configuration
Message includes the shape information that the transmitting terminal is used；
IDFT pretreatment units 12, for carrying out IDFT pre-treatments to input signal according to the contoured configuration message；
IDFT units 13, for carrying out IDFT to the input signal by IDFT pre-treatments according to IDFT points parameters, obtain
To output signal；
IDFT post-processing units 14, for being carried out locating after IDFT to the output signal according to the contoured configuration message
Reason.
Contoured configuration device provided in an embodiment of the present invention, transmitting terminal receives the contoured configuration that receiving terminal or network side send
Message, the contoured configuration message includes the shape information that transmitting terminal is used, according to contoured configuration message to input signal
IDFT pre-treatments are carried out, IDFT is carried out to the input signal by IDFT pre-treatments according to IDFT points parameters, obtain output letter
Number, IDFT post processings are carried out to output signal according to contoured configuration message.Compared with prior art, the present invention can be according to waveform
Shape information in configuration message, locates after carrying out corresponding IDFT pre-treatments/DFT pre-treatments operation and IDFT according to concrete scene
Reason/DFT post-processing operations, flexible configuration is carried out to waveform, it is determined that the waveform of current scene is best suitable for, so that signal is most
It is adapted to be transmitted under the waveform of current scene, improves the efficiency of transmission of signal.
Optionally, first receiving unit 11, it is wide by system with fixed waveform for receiving receiving terminal or network side
Broadcast the contoured configuration message of message transmission.
Optionally, the contoured configuration message includes the configuration of hybrid waveform and/or mixing subcarrier spacing.
Wherein, the difference of the shape information that the transmitting terminal for being included according to the contoured configuration message is used, institute
State at least one of IDFT pretreatment units 12 and IDFT post-processing units 14 and can do and do not process operation.
Optionally, described device also includes：
First transmitting element, for sending contoured configuration message to the receiving terminal, the contoured configuration message includes
The shape information that the receiving terminal is used.
The embodiment of the present invention also provides another contoured configuration device, and described device is located at receiving terminal, as shown in fig. 6,
Described device includes：
Second receiving unit 31, for the contoured configuration message that receiving end/sending end or network side send, the contoured configuration
Message includes the shape information that the receiving terminal is used；
DFT pretreatment units 32, for carrying out DFT pre-treatments to input signal according to the contoured configuration message；
DFT units 33, for carrying out DFT to the input signal by DFT pre-treatments according to DFT points parameters, obtain defeated
Go out signal；
DFT post-processing units 34, for carrying out DFT post processings to the output signal according to the contoured configuration message.
The contoured configuration that contoured configuration device provided in an embodiment of the present invention, receiving terminal receiving end/sending end or network side send
Message, the contoured configuration message includes the shape information that receiving terminal is used, according to contoured configuration message to input signal
DFT pre-treatments are carried out, DFT is carried out to the input signal by DFT pre-treatments according to DFT points parameters, obtain output signal, root
DFT post processings are carried out to output signal according to contoured configuration message.Compared with prior art, the present invention can disappear according to contoured configuration
Shape information in breath, corresponding IDFT pre-treatments/DFT pre-treatments operation and IDFT post processings/DFT are carried out according to concrete scene
Post-processing operation, flexible configuration is carried out to waveform, it is determined that the waveform of current scene is best suitable for, so that signal is being best suitable for working as
It is transmitted under the waveform of preceding scene, improves the efficiency of transmission of signal.
Optionally, the second receiving unit 31 is stated, system broadcasts is passed through with fixed waveform for receiving end/sending end or network side
The contoured configuration message that message sends.
Optionally, the contoured configuration message includes the configuration of hybrid waveform and/or mixing subcarrier spacing.
Wherein, the difference of the shape information that the receiving terminal for being included according to the contoured configuration message is used, institute
State at least one of DFT pretreatment units 32 and DFT post-processing units 34 and can do and do not process operation.
Optionally, described device also includes：
Second transmitting element, for sending contoured configuration message to the transmitting terminal, the contoured configuration message includes
The shape information that the transmitting terminal is used.
One of ordinary skill in the art will appreciate that all or part of flow in realizing above-described embodiment method, can be
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (16)
1. a kind of contoured configuration method, it is characterised in that methods described is applied to transmitting terminal, and methods described includes：
The contoured configuration message that receiving terminal or network side send is received, the contoured configuration message includes that the transmitting terminal is made
Shape information；
IDFT pre-treatments are carried out to input signal according to the contoured configuration message；
IDFT is carried out to the input signal by IDFT pre-treatments according to IDFT points parameters, output signal is obtained；
IDFT post processings are carried out to the output signal according to the contoured configuration message.
2. method according to claim 1, it is characterised in that the contoured configuration that the reception receiving terminal or network side send
Message includes：Receive the contoured configuration message that receiving terminal or network side are sent with fixed waveform by system broadcast message.
3. method according to claim 1, it is characterised in that the contoured configuration message include hybrid waveform and/or
Mix the configuration of subcarrier spacing.
4. method according to claim 1, it is characterised in that methods described also includes：
Contoured configuration message is sent to the receiving terminal, the contoured configuration message includes the waveform that the receiving terminal is used
Information.
5. a kind of contoured configuration method, it is characterised in that methods described is applied to receiving terminal, and methods described includes：
The contoured configuration message that receiving end/sending end or network side send, the contoured configuration message includes that the receiving terminal is made
Shape information；
DFT pre-treatments are carried out to input signal according to the contoured configuration message；
DFT is carried out to the input signal by DFT pre-treatments according to DFT points parameters, output signal is obtained；
DFT post processings are carried out to the output signal according to the contoured configuration message.
6. method according to claim 5, it is characterised in that the contoured configuration that the receiving end/sending end or network side send
Message includes：The contoured configuration message that receiving end/sending end or network side are sent with fixed waveform by system broadcast message.
7. method according to claim 5, it is characterised in that the contoured configuration message include hybrid waveform and/or
Mix the configuration of subcarrier spacing.
8. method according to claim 5, it is characterised in that methods described also includes：
Contoured configuration message is sent to the transmitting terminal, the contoured configuration message includes the waveform that the transmitting terminal is used
Information.
9. a kind of contoured configuration device, it is characterised in that described device is located at transmitting terminal, described device includes：
First receiving unit, for receiving the contoured configuration message that receiving terminal or network side send, in the contoured configuration message
Including the shape information that the transmitting terminal is used；
IDFT pretreatment units, for carrying out IDFT pre-treatments to input signal according to the contoured configuration message；
IDFT units, for carrying out IDFT to the input signal by IDFT pre-treatments according to IDFT points parameters, are exported
Signal；
IDFT post-processing units, for carrying out IDFT post processings to the output signal according to the contoured configuration message.
10. contoured configuration device according to claim 9, it is characterised in that first receiving unit, for connecing
The contoured configuration message that receiving end or network side are sent with fixed waveform by system broadcast message.
11. contoured configuration devices according to claim 9, it is characterised in that the contoured configuration message includes mixing
The configuration of waveform and/or mixing subcarrier spacing.
12. contoured configuration devices according to claim 9, it is characterised in that described device also includes：
First transmitting element, for sending contoured configuration message to the receiving terminal, the contoured configuration message includes described
The shape information that receiving terminal is used.
13. a kind of contoured configuration devices, it is characterised in that described device is located at receiving terminal, described device includes：
Second receiving unit, for the contoured configuration message that receiving end/sending end or network side send, in the contoured configuration message
Including the shape information that the receiving terminal is used；
DFT pretreatment units, for carrying out DFT pre-treatments to input signal according to the contoured configuration message；
DFT units, for carrying out DFT to the input signal by DFT pre-treatments according to DFT points parameters, obtain output signal；
DFT post-processing units, for carrying out DFT post processings to the output signal according to the contoured configuration message.
14. contoured configuration devices according to claim 13, it is characterised in that second receiving unit, for receiving
The contoured configuration message that transmitting terminal or network side are sent with fixed waveform by system broadcast message.
15. contoured configuration devices according to claim 13, it is characterised in that the contoured configuration message includes mixing
The configuration of waveform and/or mixing subcarrier spacing.
16. contoured configuration devices according to claim 13, it is characterised in that described device also includes：
Second transmitting element, for sending contoured configuration message to the transmitting terminal, the contoured configuration message includes described
The shape information that transmitting terminal is used.
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| CN201610319138.7A CN106713204A (en) | 2016-05-13 | 2016-05-13 | Waveform configuration method and apparatus |
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|---|---|---|---|---|
| WO2020191608A1 (en) * | 2019-03-26 | 2020-10-01 | Qualcomm Incorporated | Waveform configuration and indication for uplink transmission |
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| WO2020191608A1 (en) * | 2019-03-26 | 2020-10-01 | Qualcomm Incorporated | Waveform configuration and indication for uplink transmission |
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