CN108631974A - data transmission scheduling method, device and base station - Google Patents
data transmission scheduling method, device and base station Download PDFInfo
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- CN108631974A CN108631974A CN201710178916.XA CN201710178916A CN108631974A CN 108631974 A CN108631974 A CN 108631974A CN 201710178916 A CN201710178916 A CN 201710178916A CN 108631974 A CN108631974 A CN 108631974A
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- user
- protection band
- subcarrier
- corresponding protection
- subcarrier spacing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of data transmission scheduling method of present invention offer, device and base station.The method includes：According to subcarrier spacing workable for user and subcarrier spacing workable for the user of adjacent bandwidths is occupied, is the corresponding protection band size of user configuration, the protection band is to occupy the subcarrier specified number at transmission bandwidth both ends；When dispatching active user and the adjacent user of the active user simultaneously, according to each subcarrier spacing used by a user, the corresponding protection band configured to each user is operated into line activating；Signal is transmitted in the transmission bandwidth in addition to the protection band except activation.The present invention can reduce the size of reserved protection band, save bandwidth resources.
Description
Technical field
The present invention relates to a kind of wireless communication technology field more particularly to data transmission scheduling method, device and base stations.
Background technology
Typical wireless communication system can support the communication with multiple users by shared system resource (bandwidth etc.),
Such as use frequency multiplexing technique that channel width is divided into the subband of a variety of different in width, the one subband transmission of each user occupancy
Signal all the way.The realization of frequency division multiplexing is by the every road signal modulation to the carrier wave of different frequency that will need to transmit.NR
The subband that simultaneous transmission is made of different subcarrier spacings is supported in the research of (New Radio, new wireless technology), when two phases
When adjacent transmission bandwidth uses different subcarrier spacings, reserved sufficiently wide protection band is needed between two subcarrier spacings,
It does not transmit any signal in protection band, the mutual of each road signal of different frequency will be avoided or reduced in such transmission process
Interference.
The minimum thread of base station is PRB (Physical Resource Block, Physical Resource Block), when base station is anticipated
Know when transmitting different sub-carrier interval on two adjacent subbands, the scheme of existing reserved protection band is by scheduling
Mode reserves one or more PRB between two adjacent sub-bands not transmit signal.However as the increasing of system bandwidth
Add, the granularity of scheduling of resource can exceed that a PRB, and the protection band of one or more PRB is reserved by scheduling mode and can be caused
The waste of bandwidth resources.
Invention content
Data transmission scheduling method, device and network side equipment provided by the invention, can reduce reserved protection band
Size, save bandwidth resources.
In a first aspect, the present invention provides a kind of data transmission scheduling method, the method includes：
According to subcarrier spacing workable for user and subcarrier spacing workable for the user of adjacent bandwidths is occupied, is
The corresponding protection band size of user configuration, the protection band are to occupy the subcarrier specified number at transmission bandwidth both ends；
When dispatching active user and the adjacent user of the active user simultaneously, according to each sub- load used by a user
Wave spacing, the corresponding protection band configured to each user are operated into line activating；
Signal is transmitted in the transmission bandwidth in addition to the protection band except activation.
Optionally, after described for the corresponding protection band size of user configuration, the method further includes：
Signaling message is sent to user equipment, the signaling message is included as the corresponding protection band size of user configuration
Information.
Optionally, after the corresponding protection band configured to each user is operated into line activating, the method is also
Including：
Descending control signaling is sent to user equipment, the descending control signaling includes that the protection configured to user is brought into
The information of line activating operation.
Optionally, described according to each subcarrier spacing used by a user, the corresponding protection band that each user is configured
Include into line activating operation：
Activation occupies the protection that the larger user of the subcarrier spacing used in two users of adjacent bandwidths is configured
Band.
Second aspect, the present invention provide a kind of data transmission scheduling device, and described device includes：
Dispensing unit, for according to workable for the user of subcarrier spacing workable for user and occupancy adjacent bandwidths
Subcarrier spacing is the corresponding protection band size of user configuration, and the protection band is to occupy specifying number for transmission bandwidth both ends
Subcarrier；
Unit is activated, for when dispatching active user and the adjacent user of the active user simultaneously, according to each use
Subcarrier spacing used in family, the corresponding protection band configured to each user are operated into line activating；
Transmission unit, for transmitting signal in the transmission bandwidth in addition to the protection band except activation.
Optionally, described device further includes：
First transmission unit, after being the corresponding protection band size of user configuration in the dispensing unit, to user
Equipment sends signaling message, and the signaling message is included as the information of the corresponding protection band size of user configuration.
Optionally, described device further includes：
Second transmission unit, the corresponding protection band for being configured to each user in the activation unit are grasped into line activating
After work, descending control signaling is sent to user equipment, the descending control signaling includes that the protection configured to user is brought into
The information of line activating operation.
Optionally, the activation unit, for activate occupancy adjacent bandwidths two users used in subcarrier between
Every the protection band that larger user is configured.
The third aspect, the present invention provide a kind of base station, and the base station includes above-mentioned data transmission scheduling device.
Data transmission scheduling method, device and base station provided in an embodiment of the present invention, according to subcarrier workable for user
Subcarrier spacing workable for the user of interval and occupancy adjacent bandwidths, is the corresponding protection band size of user configuration, when same
When scheduling active user and when the adjacent user of the active user, according to each subcarrier spacing used by a user, to each
The corresponding protection band that user is configured is operated into line activating, does not transmit any signal in the protection band of activation.With existing skill
Art is compared, and the present invention can reduce the size of reserved protection band, saves bandwidth resources.
Description of the drawings
Fig. 1 is the flow chart of one embodiment of the invention data transmission scheduling method；
Fig. 2 is the flow chart of another embodiment of the present invention data transmission scheduling method；
Fig. 3 is the schematic diagram of the transmission bandwidth distributed in one embodiment of the invention data transmission procedure；
Fig. 4 is the schematic diagram of the transmission bandwidth distributed in another embodiment of the present invention data transmission procedure；
Fig. 5 is the schematic diagram for carrying out resource impact in one embodiment of the invention data transmission procedure using hole knockout；
Fig. 6 is the signal for carrying out resource impact in one embodiment of the invention data transmission procedure using rate-matched mode
Figure；
Fig. 7 is the structural schematic diagram of one embodiment of the invention data transmission scheduling device；
Fig. 8 is the structural schematic diagram of another embodiment of the present invention data transmission scheduling device.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of data transmission scheduling method, as shown in Figure 1, the method includes：
S11, it according to subcarrier spacing workable for user and occupies workable for the user of adjacent bandwidths between subcarrier
Every for the corresponding protection band size of user configuration, the protection band is to occupy the subcarrier specified number at transmission bandwidth both ends；
S12, when dispatching active user and the adjacent user of the active user simultaneously, according to each used by a user
Subcarrier spacing, the corresponding protection band configured to each user are operated into line activating；
S13, signal is transmitted in the transmission bandwidth in addition to the protection band except activation.
Optionally, as shown in Fig. 2, described for after the corresponding protection band size of user configuration, the method further includes：
S14, signaling message is sent to user equipment, the signaling message is included as that the corresponding protection band of user configuration is big
Small information.
After the corresponding protection band configured to each user is operated into line activating, the method further includes：
S15, descending control signaling is sent to user equipment, the descending control signaling includes the protection configured to user
Bring the information of line activating operation into.
NR researchs support that user is a variety of not using 7.5kHz, 15kHz, 30kHz, 60kHz, 120kHz, 240kHz etc. at present
Same subcarrier spacing transmits signal, is carried out specifically to data transmission scheduling method provided by the invention with specific example below
It is bright.
Embodiment 1, base station support 15kHz/30kHz/60kHz, user 1, user 2 and user 3 respectively use 15kHz,
30kHz, 60kHz subcarrier spacing, at the same base station may dispatch simultaneously any one of 3 users, two or three.
When dispatching two or three users simultaneously in view of base station, neighboring user will produce interference using different subcarriers, be in advance
Each user configuration protection band.Base station is that the corresponding protection band size of the configuration 15kHz subcarrier spacings of user 1 is 0 subcarrier；For
It is 1 subcarrier that user 2, which configures the corresponding protection band size of 30kHz subcarrier spacings,；Between the configuration 60kHz subcarriers of user 3
Every corresponding protection band size be 1 subcarrier.
Embodiment 2, base station support 15kHz/30kHz/60kHz, user 1, user 2 and user 3 respectively use 15kHz,
15kHz or 30kHz, 60kHz subcarrier spacing, at the same base station may dispatch simultaneously any one of 3 users, two,
Or three, it may select 15kHz 30kHz subcarrier spacings when dispatching user 2.Therefore base station is that user 1 configures 15kHz
The corresponding protection band size in carrier wave interval is 0 subcarrier；It is small that the corresponding protection band of 15kHz subcarrier spacings is configured for user 2
It is that configure the corresponding protection band size of 30kHz subcarrier spacings be 1 subcarrier to user 2 for 0 subcarrier；It is configured for user 3
The corresponding protection band size of 60kHz subcarrier spacings is 1 subcarrier.
Embodiment 3, base station support 15kHz/30kHz/60kHz, user 1, user 2 and user 3 respectively use 15kHz,
15kHz or 30kHz, 60kHz subcarrier spacing, at the same base station may dispatch simultaneously any one of 3 users, two,
Or three, if dispatching user 1 when scheduling user 2 simultaneously, user 2 uses 15kHz subcarrier spacings, if scheduling user
User 1 is dispatched when 2 when difference, then user 2 uses 30kHz subcarrier spacings, i.e. user 2 to use 30kHz subcarrier spacings not
It can be existed simultaneously using 15kHz subcarrier spacings with user 1.Therefore base station is that the configuration 15kHz subcarrier spacings of user 1 are corresponding
Protection band size is 0 subcarrier；It is 0 subcarrier that it is small, which to configure the corresponding protection band of 15kHz subcarrier spacings, for user 2,
The corresponding protection band size of 30kHz subcarrier spacings is 0 subcarrier；The corresponding guarantor of 60kHz subcarrier spacings is configured for user 3
Protecting band size is 1 subcarrier.
Embodiment 4, base station support 15kHz/30kHz/60kHz, user 1, user 2 and user 3 respectively use 15kHz,
30kHz, 60kHz subcarrier spacing, while base station can only dispatch any one of 3 users simultaneously, in transmission process not
It can be interfered.Therefore it is 0 subcarrier that base station, which is the corresponding protection band size of the configuration 15kHz subcarrier spacings of user 1,；For with
It is 0 subcarrier that family 2, which configures the corresponding protection band size of 30kHz subcarrier spacings,；60kHz subcarrier spacings are configured for user 3
Corresponding protection band size is 0 subcarrier.
Base station is after the good protection band size of user configuration, the protection band by transmission signaling message notice user configuration is big
It is small.Base station needs to activate protection band in actual transmissions, and since user's transmission bandwidth contains both ends, protection band is possible to any
One end or simultaneously at both ends, it is therefore desirable to inform user activated is which end or two by DCI (descending control signaling)
End while activation or both ends are not activated simultaneously.After user receives the DCI comprising activation protection information, just in the guarantor of activation
Any information is not transmitted in protecting band.
Embodiment 5, base station support 15kHz/60kHz, user 1, user 2, user 3 respectively use 15kHz, 60kHz,
60kHz subcarrier spacings, base station are that the corresponding protection band size of the configuration 15kHz subcarrier spacings of user 1 is 0 subcarrier；For
It is 1 subcarrier that user 2, which configures the corresponding protection band size of 60kHz subcarrier spacings,；Between the configuration 60kHz subcarriers of user 3
Every corresponding protection band size be 1 subcarrier.When dispatching 3 user's simultaneous transmissions, respectively to distribute corresponding transmission belt
Width is as shown in figure 3, base station informs that UE1 need not activate protection band, UE2 to need the protection band for activating left end (in Fig. 3 by DCI
Black portions), UE3 need not activate protection band.
Embodiment 6, base station support 15kHz/60kHz, user 1, user 2, user 3 respectively use 15kHz, 60kHz,
15kHz subcarrier spacings, base station are that the corresponding protection band size of the configuration 15kHz subcarrier spacings of user 1 is 0 subcarrier；For
It is 1 subcarrier that user 2, which configures the corresponding protection band size of 60kHz subcarrier spacings,；Between the configuration 15kHz subcarriers of user 3
Every corresponding protection band size be 0 subcarrier.When dispatching 3 user's simultaneous transmissions, respectively to distribute corresponding transmission belt
Width is as shown in figure 4, base station informs that UE1 need not activate protection band, UE2 to need the protection band for activating both ends (in Fig. 4 by DCI
Black portions), UE3 need not activate protection band.
If the signaling without activation protection band in DCI, user gives tacit consent to both ends and does not activate protection band simultaneously, i.e., at this time
It is equivalent to and informs that user need not activate protection band.
Base station the size of explicit instruction protection band can also notify user in DCI thus by sending DCI to user
The size of protection band and whether protection band is activated, it is done so that expense is bigger.The present invention is using high-level signaling configuration protection
The size of band, and notify whether user activates protection band by DCI, reduce signaling overheads.
If having activated protection band, base station/user not transmission data in protection band, user/base station in protection band not
Data are collected, can specifically be realized by punching or rate-matched.
Embodiment 7, base station are user configuration and have activated the protection band of bandwidth side, and size is a subcarrier, scheduling
Bandwidth is 1PRB, and 1 PRB is continuous 12 subcarriers, as shown in figure 5, to be carried out using hole knockout after activation protection band
The schematic diagram of resource impact.
Embodiment 8, base station are user configuration and have activated the protection band of bandwidth side, and size is a subcarrier, scheduling
Bandwidth is 1PRB, as shown in fig. 6, to carry out the schematic diagram of resource impact after activation protection band using rate-matched mode.
Data transmission scheduling method provided in an embodiment of the present invention, according to subcarrier spacing workable for user and occupancy
Subcarrier spacing workable for the user of adjacent bandwidths is the corresponding protection band size of user configuration, is currently used when dispatching simultaneously
Family and when the adjacent user of the active user, according to each subcarrier spacing used by a user, configures each user
Corresponding protection band is operated into line activating, does not transmit any signal in the protection band of activation.Compared with prior art, of the invention
The size of reserved protection band can be reduced, save bandwidth resources.
The embodiment of the present invention also provides a kind of data transmission scheduling device, as shown in fig. 7, described device includes：
Dispensing unit 11, for can be used according to the user of subcarrier spacing workable for user and occupancy adjacent bandwidths
Subcarrier spacing, be the corresponding protection band size of user configuration, the protection band is to occupy the specified number at transmission bandwidth both ends
Purpose subcarrier；
Unit 12 is activated, for when dispatching active user and the adjacent user of the active user simultaneously, according to each
Subcarrier spacing used by a user, the corresponding protection band configured to each user are operated into line activating；
Transmission unit 13, for transmitting signal in the transmission bandwidth in addition to the protection band except activation.
Optionally, as shown in figure 8, described device further includes：
First transmission unit 14, after being the corresponding protection band size of user configuration in the dispensing unit 11, to
User equipment sends signaling message, and the signaling message is included as the information of the corresponding protection band size of user configuration；
Second transmission unit 15, the corresponding protection band for being configured to each user in the activation unit 12 swash
After operation living, descending control signaling is sent to user equipment, the descending control signaling includes the protection configured to user
Bring the information of line activating operation into.
Data transmission scheduling device provided in an embodiment of the present invention, according to subcarrier spacing workable for user and occupancy
Subcarrier spacing workable for the user of adjacent bandwidths is the corresponding protection band size of user configuration, is currently used when dispatching simultaneously
Family and when the adjacent user of the active user, according to each subcarrier spacing used by a user, configures each user
Corresponding protection band is operated into line activating, does not transmit any signal in the protection band of activation.Compared with prior art, of the invention
The size of reserved protection band can be reduced, save bandwidth resources.
The embodiment of the present invention also provides a kind of base station, and the base station includes above-mentioned data transmission scheduling device.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the 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 description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of data transmission scheduling method, which is characterized in that the method includes：
According to subcarrier spacing workable for user and subcarrier spacing workable for the user of adjacent bandwidths is occupied, is user
Corresponding protection band size is configured, the protection band is to occupy the subcarrier specified number at transmission bandwidth both ends；
When dispatching active user and the adjacent user of the active user simultaneously, according between each subcarrier used by a user
Every the corresponding protection band configured to each user is operated into line activating；
Signal is transmitted in the transmission bandwidth in addition to the protection band except activation.
2. according to the method described in claim 1, it is characterized in that, it is described for the corresponding protection band size of user configuration it
Afterwards, the method further includes：
Signaling message is sent to user equipment, the signaling message is included as the letter of the corresponding protection band size of user configuration
Breath.
3. according to the method described in claim 2, it is characterized in that, being brought into the corresponding protection configured to each user
After line activating operation, the method further includes：
Descending control signaling is sent to user equipment, the descending control signaling includes that the protection band configured to user swashs
The information of operation living.
4. right according to the method described in claim 3, it is characterized in that, described according to each subcarrier spacing used by a user
The corresponding protection band that each user is configured is operated into line activating：
Activation occupies the protection band that the larger user of the subcarrier spacing used in two users of adjacent bandwidths is configured.
5. a kind of data transmission scheduling device, which is characterized in that described device includes：
Dispensing unit, for being carried according to son workable for the user of subcarrier spacing workable for user and occupancy adjacent bandwidths
Wave spacing is the corresponding protection band size of user configuration, and the protection band is to occupy the son specified number at transmission bandwidth both ends
Carrier wave；
Unit is activated, for when dispatching active user and the adjacent user of the active user simultaneously, according to each user institute
The subcarrier spacing used, the corresponding protection band configured to each user are operated into line activating；
Transmission unit, for transmitting signal in the transmission bandwidth in addition to the protection band except activation.
6. device according to claim 5, which is characterized in that described device further includes：
First transmission unit, after being the corresponding protection band size of user configuration in the dispensing unit, to user equipment
Signaling message is sent, the signaling message is included as the information of the corresponding protection band size of user configuration.
7. device according to claim 6, which is characterized in that described device further includes：
Second transmission unit, the corresponding protection band for being configured to each user in the activation unit operate it into line activating
Afterwards, descending control signaling is sent to user equipment, the descending control signaling includes that the protection band configured to user swashs
The information of operation living.
8. device according to claim 7, which is characterized in that the activation unit occupies adjacent bandwidths for activating
The protection band that the larger user of subcarrier spacing used in two users is configured.
9. a kind of base station, which is characterized in that the base station includes the data transmission tune as described in any one of claim 5 to 8
Spend device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710178916.XA CN108631974A (en) | 2017-03-23 | 2017-03-23 | data transmission scheduling method, device and base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710178916.XA CN108631974A (en) | 2017-03-23 | 2017-03-23 | data transmission scheduling method, device and base station |
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| CN108631974A true CN108631974A (en) | 2018-10-09 |
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ID=63707295
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| CN201710178916.XA Pending CN108631974A (en) | 2017-03-23 | 2017-03-23 | data transmission scheduling method, device and base station |
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Cited By (1)
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| CN114642056A (en) * | 2019-11-04 | 2022-06-17 | 高通股份有限公司 | Semi-persistent scheduling deactivation for interleaved resource allocation |
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Application publication date: 20181009 |