CN109586840A - A kind of method and apparatus sending or receiving wake-up signal - Google Patents
A kind of method and apparatus sending or receiving wake-up signal Download PDFInfo
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- CN109586840A CN109586840A CN201710899290.1A CN201710899290A CN109586840A CN 109586840 A CN109586840 A CN 109586840A CN 201710899290 A CN201710899290 A CN 201710899290A CN 109586840 A CN109586840 A CN 109586840A
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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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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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
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0039—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver other detection of signalling, e.g. detection of TFCI explicit signalling
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention proposes the devices of a kind of method of the device and reception wake-up signal for terminal of a kind of method of transmission wake-up signal for base station and transmission wake-up signal and reception wake-up signal, wherein, the method for the transmission wake-up signal of base station includes: the parameter for terminal configuration as the constant amplitude zero auto-correlation sequence of wake-up signal；The parameter of constant amplitude zero auto-correlation sequence is sent to terminal, so that terminal determines the constant amplitude zero auto-correlation sequence being sent to it.Technical solution proposed by the invention, since wake-up signal uses orthogonal constant amplitude zero auto-correlation sequence, base station can send the constant amplitude zero auto-correlation sequence of wake-up signal on identical running time-frequency resource to multiple terminals, terminal is assured that the wake-up signal that whether there is this terminal in the multiple wake-up signals being multiplexed on the running time-frequency resource by coherent detection, reduces resource overhead.
Description
Technical field
The present invention relates to fields of communication technology, in particular to a kind of method of transmission wake-up signal for base station
With the device and a kind of method of the reception wake-up signal for terminal that send wake-up signal and the device for receiving wake-up signal.
Background technique
It proposes be in RRC- in 3GPP (3rd Generation Partnership, third generation partner program)
The terminal of Connected (Radio Resource Control-Connected, wireless heterogeneous networks-connection) state uses
DRX (discontinuous reception, discontinuous reception), i.e., periodic wake-up carry out persistently several milliseconds of downlink
Control channel blind examination, as shown in Figure 1, can be tied waking up if not detecting the down control channel for issuing this terminal
Shu Houjin enters closed state, stays awake for receiving until data if detecting the down control channel for issuing this terminal
Hair terminates.This mode is progress down control channel blind examination in the awake state, but there is no data in the awake state
The case where transmission, the final energy that blind examination in this case just wastes.
For this problem, it is currently suggested the scheme for sending wake-up signal (wake up signal, WUS), that is, is being called out
Base station sends wake-up signal to terminal before awake state starts, as shown in Fig. 2, terminal needs of short duration when wake-up signal arrives
Unlatching to receive wake-up signal.If wake-up signal instruction terminal is opened, terminal will be opened when wake-up states arrive,
If wake-up signal instruction terminal is closed, terminal will be remained off, and will not be opened wake-up states arrive.But
Therefore the mode waken up in the prior art without the concrete form and base station that determine wake-up signal with terminal room transmission/reception is looked for
A kind of method of transmission/reception concrete form wake-up signal has become a technical problem to be solved urgently out.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, one aspect of the present invention is to propose a kind of method of transmission wake-up signal for base station.
Another aspect of the present invention is to propose a kind of device of transmission wake-up signal for base station.
Another aspect of the invention is to propose a kind of method of reception wake-up signal for terminal.
An additional aspect of the present invention is to propose a kind of device of reception wake-up signal for terminal.
In view of this, it is used for base station according to an aspect of the present invention, it proposes a kind of method for sending wake-up signal,
The method for sending wake-up signal includes: the parameter for terminal configuration as the constant amplitude zero auto-correlation sequence of wake-up signal；To
Terminal sends the parameter of constant amplitude zero auto-correlation sequence, so that terminal determines the constant amplitude zero auto-correlation sequence being sent to it
Column.
Provided by the present invention for the method for the transmission wake-up signal of base station, proposes and wake-up signal is sent by base station
Concrete form, with CAZAC (Constant Amplitude Zero Autocorrelation, constant amplitude zero auto-correlation) sequence
Column indicate wake-up signal.Wherein, CAZAC sequence has the characteristics such as sequence constant amplitude, peak-to-average ratio be low, and is also equipped with good
Cross correlation, i.e., any CAZAC sequence loops it is n mobile after (integral multiple that n is not the period of CAZAC sequence), after displacement
Sequence it is uncorrelated to former sequence, cross-correlation and partial correlation values utilize the good cross-correlation of CAZAC sequence and portion close to 0
Divide relevant characteristic, base station can receive the ginseng for the terminal distribution CAZAC sequential parameter under the same wave cover, terminal
Number, by the parameter, terminal just can determine that out that the CAZAC sequence for corresponding to this terminal, the present invention realize wake-up signal
Concrete form configuration.
The method of above-mentioned transmission wake-up signal according to the present invention, can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that when determining that terminal needs to open wake-up states, to terminal send with it is constant
The corresponding constant amplitude zero auto-correlation sequence of the parameter of amplitude zero auto-correlation sequence, so that terminal is according to constant amplitude zero auto-correlation
Sequence opens wake-up states.
In the technical scheme, if terminal needs to open wake-up states, base station needs to send to terminal corresponding
Wake-up signal CAZAC sequence；If terminal does not need to open wake-up states, base station, which does not need to send to terminal, wakes up letter
Number CAZAC sequence, wake-up signal sent using CAZAC sequence, and exclusive resource is avoided.Wherein, CAZAC sequence can be with
It is ZC sequence (Zadoff-Chu, root sequence), ZC sequence is as follows:q∈{1,...,NZC,
N=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is the label of element in ZC sequence.
In the above-mentioned technical solutions, it is preferable that the parameter of constant amplitude zero auto-correlation sequence includes but is not limited to constant width
Spend the index of zero auto-correlation sequence, the cyclic shift value of constant amplitude zero auto-correlation sequence；And constant amplitude zero auto-correlation sequence
Arrange or nearly orthogonal orthogonal with the constant amplitude zero auto-correlation sequence of other any terminals.
In the technical scheme, base station needs to configure the parameter of the CAZAC sequence as wake-up signal for terminal, including makes
Index, cyclic shift of CAZAC sequence etc., so that terminal can determine that unique wake-up signal CAZAC sequence of the terminal；Base
Stand also be necessary to ensure that distributed for the different terminals under the same cell or the same wave cover it is orthogonal or nearly orthogonal
CAZAC sequence makes the CAZAC sequence of the corresponding wake-up signal of different terminals under the same cell or the same wave cover
It arranges orthogonal.Since wake-up signal uses orthogonal CAZAC sequence, base station can be sent on identical running time-frequency resource to multiple terminals
The CAZAC sequence of wake-up signal makes terminal be assured that the multiple wake-ups being multiplexed on the running time-frequency resource by coherent detection
It whether there is corresponding wake-up signal in signal, reduce resource overhead.
According to another aspect of the present invention, a kind of device for sending wake-up signal is proposed, base station is used for, sends and wakes up
The device of signal includes: configuration module, for the ginseng for terminal configuration as the constant amplitude zero auto-correlation sequence of wake-up signal
Number；Sending module, for sending the parameter of constant amplitude zero auto-correlation sequence to terminal, so that terminal determines the perseverance being sent to it
Tentering degree zero auto-correlation sequence.
Provided by the present invention for the device of the transmission wake-up signal of base station, proposes and wake-up signal is sent by base station
Concrete form, with CAZAC (Constant Amplitude Zero Autocorrelation, constant amplitude zero auto-correlation) sequence
Column indicate wake-up signal.Wherein, CAZAC sequence has the characteristics such as sequence constant amplitude, peak-to-average ratio be low, and is also equipped with good
Cross correlation, i.e., any CAZAC sequence loops it is n mobile after (integral multiple that n is not the period of CAZAC sequence), after displacement
Sequence it is uncorrelated to former sequence, cross-correlation and partial correlation values utilize the good cross-correlation of CAZAC sequence and portion close to 0
Divide relevant characteristic, base station can receive the ginseng for the terminal distribution CAZAC sequential parameter under the same wave cover, terminal
Number, by the parameter, terminal just can determine that out that the CAZAC sequence for corresponding to this terminal, the present invention realize wake-up signal
Concrete form configuration.
The device of above-mentioned transmission wake-up signal according to the present invention, can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that sending module is also used to when determining that terminal needs to open wake-up states,
Send corresponding with the parameter of constant amplitude zero auto-correlation sequence constant amplitude zero auto-correlation sequence to terminal so that terminal according to
Constant amplitude zero auto-correlation sequence opens wake-up states.
In the technical scheme, if terminal needs to open wake-up states, base station needs to send to terminal corresponding
Wake-up signal CAZAC sequence；If terminal does not need to open wake-up states, base station, which does not need to send to terminal, wakes up letter
Number CAZAC sequence, wake-up signal sent using CAZAC sequence, and exclusive resource is avoided.Wherein, CAZAC sequence can be with
It is ZC sequence (Zadoff-Chu, root sequence), ZC sequence is as follows:q∈{1,...,NZC,
N=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is the label of element in ZC sequence.
In the above-mentioned technical solutions, it is preferable that the parameter of constant amplitude zero auto-correlation sequence includes but is not limited to constant width
Spend the index of zero auto-correlation sequence, the cyclic shift value of constant amplitude zero auto-correlation sequence；And constant amplitude zero auto-correlation sequence
Arrange or nearly orthogonal orthogonal with the constant amplitude zero auto-correlation sequence of other any terminals.
In the technical scheme, base station needs to configure the parameter of the CAZAC sequence as wake-up signal for terminal, including makes
Index, cyclic shift of CAZAC sequence etc., so that terminal can determine that unique wake-up signal CAZAC sequence of the terminal；Base
Stand also be necessary to ensure that distributed for the different terminals under the same cell or the same wave cover it is orthogonal or nearly orthogonal
CAZAC sequence makes the CAZAC sequence of the corresponding wake-up signal of different terminals under the same cell or the same wave cover
It arranges orthogonal.Since wake-up signal uses orthogonal CAZAC sequence, base station can be sent on identical running time-frequency resource to multiple terminals
The CAZAC sequence of wake-up signal makes terminal be assured that the multiple wake-ups being multiplexed on the running time-frequency resource by coherent detection
It whether there is corresponding wake-up signal in signal, reduce resource overhead.
According to a further aspect of the invention, the method for receiving wake-up signal is proposed, terminal is used for, receives wake-up signal
Method include: receive the constant amplitude zero auto-correlation sequence as wake-up signal from base station parameter；It receives and comes from base
The wake-up signal stood determines whether wake-up signal is be allocated to terminal constant according to the parameter of constant amplitude zero auto-correlation sequence
Amplitude zero auto-correlation sequence；When determining wake-up signal is the constant amplitude zero auto-correlation sequence for being allocated to terminal, opens and wake up
State；When determining wake-up signal not is the constant amplitude zero auto-correlation sequence for being allocated to terminal, remain off.
Provided by the present invention for the method for the reception wake-up signal of terminal, terminal receives the parameter of CAZAC sequence, passes through
Coherent detection is assured that the WUS signal in multiple WUS signals that base station is multiplexed on running time-frequency resource either with or without this terminal, eventually
If end has received the CAZAC sequence of the wake-up signal of this terminal, wake-up states are opened, are otherwise remained off.Using
CAZAC sequential reception wake-up signal does not need exclusive resource, does not need to carry out the blind demodulation of DCI yet, improves terminal demodulation and wakes up
The speed of signal.
The method of above-mentioned reception wake-up signal according to the present invention, can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that the constant amplitude of constant amplitude zero auto-correlation sequence and other any terminals
Zero auto-correlation sequence is orthogonal or nearly orthogonal.
In the technical scheme, the CAZAC sequence of the corresponding wake-up signal of different terminals under the same wave cover
It is orthogonal.Wherein, CAZAC sequence can be ZC sequence (Zadoff-Chu, root sequence), and Zadoff-Chu sequence is as follows:q∈{1,...,NZC, n=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is ZC
The label of element in sequence.
According to a further aspect of the invention, the device for receiving wake-up signal is proposed, terminal is used for, receives wake-up signal
Device include: receiving module, for receiving the ginseng of the constant amplitude zero auto-correlation sequence as wake-up signal from base station
Number；And the wake-up signal from base station is received, whether wake-up signal is determined according to the parameter of constant amplitude zero auto-correlation sequence
For the constant amplitude zero auto-correlation sequence for being allocated to terminal；Opening module, for being to be allocated to terminal when determining wake-up signal
When constant amplitude zero auto-correlation sequence, wake-up states are opened；And when determining wake-up signal is not the constant width for being allocated to terminal
When spending zero auto-correlation sequence, remain off.
Provided by the present invention for the device of the reception wake-up signal of terminal, terminal receives the parameter of CAZAC sequence, passes through
Coherent detection is assured that the WUS signal in multiple WUS signals that base station is multiplexed on running time-frequency resource either with or without this terminal, eventually
If end has received the CAZAC sequence of the wake-up signal of this terminal, wake-up states are opened, are otherwise remained off.Using
CAZAC sequential reception wake-up signal does not need exclusive resource, does not need to carry out the blind demodulation of DCI yet, improves terminal demodulation and wakes up
The speed of signal.
The device of above-mentioned reception wake-up signal according to the present invention, can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that the constant amplitude of constant amplitude zero auto-correlation sequence and other any terminals
Zero auto-correlation sequence is orthogonal or nearly orthogonal.
In the technical scheme, the CAZAC sequence of the corresponding wake-up signal of different terminals under the same wave cover
It is orthogonal.Wherein, CAZAC sequence can be ZC sequence (Zadoff-Chu, root sequence), and Zadoff-Chu sequence is as follows:q∈{1,...,NZC, n=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is ZC
The label of element in sequence.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the state diagram of the terminal in the related technology under DRX state；
Fig. 2 shows the state diagrams that the terminal in the related technology under DRX state receives wake-up signal；
Fig. 3 shows the process signal of the method for the transmission wake-up signal for base station of one embodiment of the present of invention
Figure；
Fig. 4 shows the schematic block diagram of the device of the transmission wake-up signal for base station of one embodiment of the present of invention；
Fig. 5 shows the process signal of the method for the reception wake-up signal for terminal of one embodiment of the present of invention
Figure；
Fig. 6 shows the schematic block diagram of the device of the reception wake-up signal for terminal of one embodiment of the present of invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
The embodiment of first aspect present invention proposes a kind of method for sending wake-up signal, is used for base station, and Fig. 3 is shown
The flow diagram of the method for the transmission wake-up signal for base station of one embodiment of the present of invention.Wherein, this method packet
It includes:
Step 302, the parameter for terminal configuration as the constant amplitude zero auto-correlation sequence of wake-up signal；
Step 304, the parameter of constant amplitude zero auto-correlation sequence is sent to terminal, so that terminal determines the perseverance being sent to it
Tentering degree zero auto-correlation sequence.
Provided by the present invention for the method for the transmission wake-up signal of base station, proposes and wake-up signal is sent by base station
Concrete form, with CAZAC (Constant Amplitude Zero Autocorrelation, constant amplitude zero auto-correlation) sequence
Column indicate wake-up signal.Wherein, CAZAC sequence has the characteristics such as sequence constant amplitude, peak-to-average ratio be low, and is also equipped with good
Cross correlation, i.e., any CAZAC sequence loops it is n mobile after (integral multiple that n is not the period of CAZAC sequence), after displacement
Sequence it is uncorrelated to former sequence, cross-correlation and partial correlation values utilize the good cross-correlation of CAZAC sequence and portion close to 0
Divide relevant characteristic, base station can receive the parameter for the terminal distribution CAZAC parameter under the same wave cover, terminal, lead to
The parameter is crossed, terminal just can determine that out that the CAZAC sequence for corresponding to this terminal, the present invention realize the specific of wake-up signal
The configuration of form.
In one embodiment of the invention, it is preferable that when determining that terminal needs to open wake-up states, sent to terminal
Constant amplitude zero auto-correlation sequence corresponding with the parameter of constant amplitude zero auto-correlation sequence, so that terminal is according to constant amplitude zero
Autocorrelation sequence opens wake-up states.
In this embodiment, using the good cross-correlation of CAZAC sequence and part correlation properties, base station can be same
Terminal distribution CAZAC sequence under wave beam is as wake-up signal.If terminal needs to open wake-up states, base station was needed to end
End sends the CAZAC sequence of corresponding wake-up signal；If terminal do not need open wake-up states, base station do not need to
Terminal sends the CAZAC sequence of wake-up signal, and wake-up signal is sent using CAZAC sequence, avoids exclusive resource.Its
In, CAZAC sequence can be ZC sequence (Zadoff-Chu, root sequence), and ZC sequence is as follows:q∈{1,...,NZC, n=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is ZC
The label of element in sequence.
Different root labels is set by the ZC sequence of the wake-up signal to different terminals, or gives root label identical end
The ZC sequence of the wake-up signal at end be arranged different cyclic shift values can guarantee the wake-up signal sequence of different terminals it is orthogonal or
Person's nearly orthogonal.
In one embodiment of the invention, it is preferable that the parameter of constant amplitude zero auto-correlation sequence includes but is not limited to
The cyclic shift value of the index of constant amplitude zero auto-correlation sequence, constant amplitude zero auto-correlation sequence；And constant amplitude zero is certainly
Correlated series are orthogonal with the constant amplitude zero auto-correlation sequence of other any terminals or nearly orthogonal.
In this embodiment, base station needs to configure the parameter of the CAZAC sequence as wake-up signal for terminal, including uses
Index, the cyclic shift of CAZAC sequence etc. so that terminal can determine that unique wake-up signal CAZAC sequence of the terminal；Base station
Also be necessary to ensure that distributed for the different terminals under the same cell or the same wave cover it is orthogonal or nearly orthogonal
CAZAC sequence makes the CAZAC sequence of the corresponding wake-up signal of different terminals under the same cell or the same wave cover
It arranges orthogonal.Since wake-up signal uses orthogonal CAZAC sequence, base station can be sent on identical running time-frequency resource to multiple terminals
The CAZAC sequence of wake-up signal makes terminal be assured that the multiple wake-ups being multiplexed on the running time-frequency resource by coherent detection
It whether there is corresponding wake-up signal in signal, reduce resource overhead.
The embodiment of second aspect of the present invention proposes a kind of device for sending wake-up signal, is used for base station, and Fig. 4 is shown
The schematic block diagram of the device 400 of the transmission wake-up signal for base station of one embodiment of the present of invention.Wherein, the device
400 include:
Configuration module 402, for the parameter for terminal configuration as the constant amplitude zero auto-correlation sequence of wake-up signal；
Sending module 404, for sending the parameter of constant amplitude zero auto-correlation sequence to terminal, so that terminal is determined to it
The constant amplitude zero auto-correlation sequence of transmission.
Provided by the present invention for the device 400 of the transmission wake-up signal of base station, proposes to send to wake up by base station and believe
Number concrete form, with CAZAC, (Constant Amplitude Zero Autocorrelation, constant amplitude zero is from phase
Close) sequence expression wake-up signal.Wherein, CAZAC sequence has the characteristics such as sequence constant amplitude, peak-to-average ratio be low, but also has
Standby good cross correlation, i.e., after any CAZAC sequence loops are n mobile (integral multiple that n is not the period of CAZAC sequence),
Sequence after displacement is uncorrelated to former sequence, and cross-correlation and partial correlation values utilize the good mutual of CAZAC sequence close to 0
Characteristic relevant with part is closed, base station can be the terminal distribution CAZAC sequential parameter under the same wave cover, and terminal receives
The parameter, by the parameter, terminal just can determine that out that the CAZAC sequence for corresponding to this terminal, the present invention realize wake-up
The configuration of the concrete form of signal.
In one embodiment of the invention, it is preferable that sending module 404 is also used to call out when determining terminal needs to open
When the state of waking up, constant amplitude zero auto-correlation sequence corresponding with the parameter of constant amplitude zero auto-correlation sequence is sent to terminal, with
Terminal is set to open wake-up states according to constant amplitude zero auto-correlation sequence.
In this embodiment, using the good cross-correlation of CAZAC sequence and part correlation properties, base station can be same
Terminal distribution CAZAC sequence under wave beam is as wake-up signal.If terminal needs to open wake-up states, base station was needed to end
End sends the CAZAC sequence of corresponding wake-up signal；If terminal do not need open wake-up states, base station do not need to
Terminal sends the CAZAC sequence of wake-up signal, and wake-up signal is sent using CAZAC sequence, avoids exclusive resource.Its
In, CAZAC sequence can be ZC sequence (Zadoff-Chu, root sequence), and ZC sequence is as follows:q∈{1,...,NZC, n=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is ZC
The label of element in sequence.
Different root labels is set by the ZC sequence of the wake-up signal to different terminals, or gives root label identical end
The ZC sequence of the wake-up signal at end be arranged different cyclic shift values can guarantee the wake-up signal sequence of different terminals it is orthogonal or
Person's nearly orthogonal.
In one embodiment of the invention, it is preferable that the parameter of constant amplitude zero auto-correlation sequence includes but is not limited to
The cyclic shift value of the index of constant amplitude zero auto-correlation sequence, constant amplitude zero auto-correlation sequence；And constant amplitude zero is certainly
Correlated series are orthogonal with the constant amplitude zero auto-correlation sequence of other any terminals or nearly orthogonal.
In this embodiment, base station needs to configure the parameter of the CAZAC sequence as wake-up signal for terminal, including uses
Index, the cyclic shift of CAZAC sequence etc. so that terminal can determine that unique wake-up signal CAZAC sequence of the terminal；Base station
Also be necessary to ensure that distributed for the different terminals under the same cell or the same wave cover it is orthogonal or nearly orthogonal
CAZAC sequence makes the CAZAC sequence of the corresponding wake-up signal of different terminals under the same cell or the same wave cover
It arranges orthogonal.Since wake-up signal uses orthogonal CAZAC sequence, base station can be sent on identical running time-frequency resource to multiple terminals
The CAZAC sequence of wake-up signal makes terminal be assured that the multiple wake-ups being multiplexed on the running time-frequency resource by coherent detection
It whether there is corresponding wake-up signal in signal, reduce resource overhead.
The embodiment of third aspect present invention proposes a kind of method for receiving wake-up signal, is used for terminal, and Fig. 5 is shown
The flow diagram of the method for the reception wake-up signal for terminal of one embodiment of the present of invention.Wherein, this method packet
It includes:
Step 502, the parameter of the constant amplitude zero auto-correlation sequence as wake-up signal from base station is received；
Step 504, the wake-up signal from base station is received, is determined and is waken up according to the parameter of constant amplitude zero auto-correlation sequence
Whether signal is the constant amplitude zero auto-correlation sequence for being allocated to terminal；
Step 506, judge whether wake-up signal is the constant amplitude zero auto-correlation sequence for being allocated to terminal；
Step 508, it when determining wake-up signal is the constant amplitude zero auto-correlation sequence for being allocated to terminal, opens and wakes up shape
State；
Step 510, it when determining wake-up signal not is the constant amplitude zero auto-correlation sequence for being allocated to terminal, remains turned-off
State.
Provided by the present invention for the method for the reception wake-up signal of terminal, terminal receives the parameter of CAZAC sequence, passes through
Coherent detection is assured that the WUS signal in multiple WUS signals that base station is multiplexed on running time-frequency resource either with or without this terminal, eventually
If end has received the CAZAC sequence of the wake-up signal of this terminal, wake-up states are opened, are otherwise remained off.Using
CAZAC sequential reception wake-up signal does not need exclusive resource, does not need to carry out the blind demodulation of DCI yet, improves terminal demodulation and wakes up
The speed of signal.
In one embodiment of the invention, it is preferable that the perseverance of constant amplitude zero auto-correlation sequence and other any terminals
Tentering degree zero auto-correlation sequence is orthogonal or nearly orthogonal.
In this embodiment, the CAZAC sequence of the corresponding wake-up signal of different terminals under the same wave cover is being just
It hands over.Wherein, CAZAC sequence can be ZC sequence (Zadoff-Chu, root sequence), and Zadoff-Chu sequence is as follows:q∈{1,...,NZC, n=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is ZC
The label of element in sequence.Different root labels can be set to the ZC sequence of the wake-up signal of different terminals by base station, or
Different cyclic shift values is arranged to the ZC sequence of the wake-up signal of root label same terminal in person, and then guarantees calling out for different terminals
Waking up, signal sequence is orthogonal or nearly orthogonal.
The embodiment of fourth aspect present invention proposes a kind of device for receiving wake-up signal, is used for terminal, and Fig. 6 is shown
The schematic block diagram of the device 600 of the reception wake-up signal for terminal of one embodiment of the present of invention.Wherein, the device
600 include:
Receiving module 602, for receiving the ginseng of the constant amplitude zero auto-correlation sequence as wake-up signal from base station
Number；And the wake-up signal from base station is received, whether wake-up signal is determined according to the parameter of constant amplitude zero auto-correlation sequence
For the constant amplitude zero auto-correlation sequence for being allocated to terminal；
Opening module 604, for opening when determining wake-up signal is the constant amplitude zero auto-correlation sequence for being allocated to terminal
Open wake-up states；And it when determining wake-up signal not is the constant amplitude zero auto-correlation sequence for being allocated to terminal, remains turned-off
State.
Provided by the present invention for the device 600 of the reception wake-up signal of terminal, terminal receives the parameter of CAZAC sequence,
It is assured that in multiple WUS signals that base station is multiplexed on running time-frequency resource by coherent detection and is believed either with or without the WUS of this terminal
Number, if terminal has received the CAZAC sequence of the wake-up signal of this terminal, wake-up states are opened, are otherwise remained off.
Exclusive resource is not needed using CAZAC sequential reception wake-up signal, does not need to carry out the blind demodulation of DCI yet, improves terminal demodulation
The speed of wake-up signal.
In one embodiment of the invention, it is preferable that the perseverance of constant amplitude zero auto-correlation sequence and other any terminals
Tentering degree zero auto-correlation sequence is orthogonal or nearly orthogonal.
In this embodiment, the CAZAC sequence of the corresponding wake-up signal of different terminals under the same wave cover is being just
It hands over.Wherein, CAZAC sequence can be ZC sequence (Zadoff-Chu, root sequence), and Zadoff-Chu sequence is as follows:q∈{1,...,NZC, n=0,1 ..., NZC- 1, q are the root labels of ZC sequence, and n is ZC
The label of element in sequence.Different root labels can be set to the ZC sequence of the wake-up signal of different terminals by base station, or
Different cyclic shift values is arranged to the ZC sequence of the wake-up signal of root label same terminal in person, and then guarantees calling out for different terminals
Waking up, signal sequence is orthogonal or nearly orthogonal.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. it is a kind of send wake-up signal method, be used for base station, which is characterized in that it is described send wake-up signal method include:
Parameter for terminal configuration as the constant amplitude zero auto-correlation sequence of the wake-up signal；
The parameter of the constant amplitude zero auto-correlation sequence is sent to the terminal, so that the terminal determines the perseverance being sent to it
Tentering degree zero auto-correlation sequence.
2. the method according to claim 1 for sending wake-up signal, which is characterized in that when determining that the terminal needs to open
When wake-up states, Xiang Suoshu terminal sends the constant amplitude zero corresponding with the parameter of the constant amplitude zero auto-correlation sequence
Autocorrelation sequence, so that the terminal opens the wake-up states according to the constant amplitude zero auto-correlation sequence.
3. the method according to claim 1 or 2 for sending wake-up signal, which is characterized in that
The parameter of the constant amplitude zero auto-correlation sequence include but is not limited to the constant amplitude zero auto-correlation sequence index,
The cyclic shift value of the constant amplitude zero auto-correlation sequence；And
The constant amplitude zero auto-correlation sequence and the constant amplitude zero auto-correlation sequence of other any terminals it is orthogonal or it is approximate just
It hands over.
4. it is a kind of send wake-up signal device, be used for base station, which is characterized in that it is described send wake-up signal device include:
Configuration module, for the parameter for terminal configuration as the constant amplitude zero auto-correlation sequence of the wake-up signal；
Sending module, for sending the parameter of the constant amplitude zero auto-correlation sequence to the terminal, so that the terminal is true
Surely the constant amplitude zero auto-correlation sequence being sent to it.
5. the device according to claim 4 for sending wake-up signal, which is characterized in that the sending module is also used to work as
When determining that the terminal needs to open wake-up states, Xiang Suoshu terminal sends the parameter with the constant amplitude zero auto-correlation sequence
The corresponding constant amplitude zero auto-correlation sequence, so that the terminal opens institute according to the constant amplitude zero auto-correlation sequence
State wake-up states.
6. the device according to claim 4 or 5 for sending wake-up signal, which is characterized in that
The parameter of the constant amplitude zero auto-correlation sequence include but is not limited to the constant amplitude zero auto-correlation sequence index,
The cyclic shift value of the constant amplitude zero auto-correlation sequence；And
The constant amplitude zero auto-correlation sequence and the constant amplitude zero auto-correlation sequence of other any terminals it is orthogonal or it is approximate just
It hands over.
7. it is a kind of receive wake-up signal method, be used for terminal, which is characterized in that it is described receive wake-up signal method include:
Receive the parameter of the constant amplitude zero auto-correlation sequence of the wake-up signal as described in from base station；
The wake-up signal from base station is received, the wake-up signal is determined according to the parameter of the constant amplitude zero auto-correlation sequence
It whether is the constant amplitude zero auto-correlation sequence for being allocated to the terminal；
When determining the wake-up signal is the constant amplitude zero auto-correlation sequence for being allocated to the terminal, wake-up states are opened；
When determining the wake-up signal not is the constant amplitude zero auto-correlation sequence for being allocated to the terminal, shape is remained turned-off
State.
8. the method according to claim 7 for receiving wake-up signal, which is characterized in that the constant amplitude zero auto-correlation sequence
Arrange or nearly orthogonal orthogonal with the constant amplitude zero auto-correlation sequence of other any terminals.
9. it is a kind of receive wake-up signal device, be used for terminal, which is characterized in that it is described receive wake-up signal device include:
Receiving module, the parameter of the constant amplitude zero auto-correlation sequence for receiving the wake-up signal as described in from base station；
And
The wake-up signal from base station is received, the wake-up signal is determined according to the parameter of the constant amplitude zero auto-correlation sequence
It whether is the constant amplitude zero auto-correlation sequence for being allocated to the terminal；
Opening module, for when determining the wake-up signal is the constant amplitude zero auto-correlation sequence for being allocated to the terminal,
Open wake-up states；And
When determining the wake-up signal not is the constant amplitude zero auto-correlation sequence for being allocated to the terminal, shape is remained turned-off
State.
10. the device according to claim 9 for receiving wake-up signal, which is characterized in that the constant amplitude zero auto-correlation
Sequence is orthogonal with the constant amplitude zero auto-correlation sequence of other any terminals or nearly orthogonal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710899290.1A CN109586840A (en) | 2017-09-28 | 2017-09-28 | A kind of method and apparatus sending or receiving wake-up signal |
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| CN201710899290.1A CN109586840A (en) | 2017-09-28 | 2017-09-28 | A kind of method and apparatus sending or receiving wake-up signal |
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| CN114557052A (en) * | 2019-10-04 | 2022-05-27 | 高通股份有限公司 | Configuration for ungrouped wake-up signals and grouped wake-up signals |
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