CN106817773A - Scheduling of user terminals method and device - Google Patents
Scheduling of user terminals method and device Download PDFInfo
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- CN106817773A CN106817773A CN201510868781.0A CN201510868781A CN106817773A CN 106817773 A CN106817773 A CN 106817773A CN 201510868781 A CN201510868781 A CN 201510868781A CN 106817773 A CN106817773 A CN 106817773A
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- time slot
- control signaling
- descending control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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Abstract
A kind of scheduling of user terminals method and device, methods described includes：Receive the signal for sub- frame in that base station issues；In first time slot of the subframe, descending control signaling corresponding with the user terminal is obtained；Time slot indication information element is obtained from the descending control signaling, the time slot indication information element is used to indicate the time slot of the application descending control signaling；When the descending control signaling indicates to perform downlink data reception, in the time slot of the application descending control signaling, and downlink data is received in the resource that the descending control signaling is indicated；When the descending control signaling indicates to perform upstream data transmission, i-th time slot after the descending control signaling is received sends upstream data.Using methods described and device, can effectively shorten the time delay of base station scheduling UE.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of scheduling of user terminals method and device.
Background technology
In the existing scheme of Long Term Evolution (Long Term Evolution, LTE) system, user terminal
The flow that (User Equipment, UE) receives the signaling and data transmitted base station is as follows：Received bit first
In subframe first symbol to Physical Downlink Control Channel (the Physical Downlink in the 3rd symbol
Control Channel, PDCCH), therefrom detect one's own descending control signaling.Afterwards, according to
According to descending control signaling indicate modulating-coding form (Modulation and Coding Scheme, MCS),
Resource Block (Resource Block, RB) resource allocation information etc., letter is shared in the physical down of the subframe
One's own data are received in road (Physical Downlink Shared Channel, PDSCH).When
Receive when successfully, at least fourth subframes of the UE after the subframe for receiving the data is true to base station feedback
Recognize information (ACKnowledgement, ACK)；When reception failure, to base station feedback negative acknowledge
(Negative ACKnowledgement, NACK).
In the prior art, the signaling and data that user terminal receives base station transmission are (long with a subframe
It is 1ms to spend) be unit, i.e., received in units of 1ms between the signaling and data of base station transmission, transmission time
It is 1ms every (Transmission Time Interval, TTI).Correspondingly, base station scheduling UE is also with 1ms
It is unit.This scheduling mechanism be for non-real-time service enough, but it is real-time for some
For business (it is required that the end-to-end time delay in 30ms), this scheduling mechanism can not meet delay requirement.
The content of the invention
Present invention solves the technical problem that being the time delay for how shortening base station scheduling UE.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of scheduling of user terminals method, including：
Receive the signal for sub- frame in that base station issues；
In first time slot of the subframe, descending control signaling corresponding with the user terminal is obtained；
Time slot indication information element is obtained from the descending control signaling, the time slot indication information element is used to indicate
Using the time slot of the descending control signaling；
When the descending control signaling indicates to perform downlink data reception, in the application descending control
The time slot of signaling processed, and receive downlink data in the resource that the descending control signaling is indicated；
When the descending control signaling indicates to perform upstream data transmission, the descending control is being received
I-th time slot after signaling sends upstream data.
Optionally, the time slot indication information element is 1 bit information element.
Optionally, when the time slot indication information element is effective, the time slot indication information element is used to indicate to apply
The time slot of the descending control signaling is first time slot of the subframe.
Optionally, the time slot indication information element is many bit information elements.
Optionally, the time slot indication information element is used to indicating the time slot of the descending control signaling be：It is described
X-th time slot after first time slot of subframe, x is the value of the time slot indication information element.
Optionally, the scheduling of user terminals method, also includes：When the time slot indication information element is invalid,
Or when the time slot indication information element is not got from the descending control signaling, receiving the descending control
The subframe of signaling processed receives downlink data according to the resource that the descending control signaling is indicated, or is receiving institute
State the n-th subframe after the subframe of descending control signaling and send upstream data.
Optionally, when the user terminal is in FDD standards, the value of i is in 3,4,5,6
Any one；When the user terminal is in TDD standards, i >=3.
A kind of scheduling of user terminals device is the embodiment of the invention provides, including：
First receiving unit, for receiving the signal for sub- frame in that base station issues；
Descending control signaling acquiring unit, for first time slot in the subframe, obtains and the use
The corresponding descending control signaling of family terminal；
Time slot indication information element acquiring unit, for obtaining time slot indication information element from the descending control signaling,
The time slot indication information element is used to indicate the time slot of the application descending control signaling；
Second receiving unit, for when the descending control signaling indicate perform downlink data receive when,
The time slot of the application descending control signaling, and connect in the resource that the descending control signaling is indicated
Receive downlink data；
Transmitting element, for when the descending control signaling indicates to perform upstream data transmission, receiving
I-th time slot after to the descending control signaling sends upstream data.
Optionally, the time slot indication information element is 1 bit information element, for indicating to apply the descending control
The time slot of signaling is first time slot of the subframe.
Optionally, the time slot indication information element is many bit information elements, first for indicating the subframe
X-th time slot after time slot.
Optionally, second receiving unit is additionally operable to when the time slot indication information element is invalid, or from described
When the time slot indication information element is not got in descending control signaling, the descending control signaling is being received
Subframe receives downlink data according to the resource that the descending control signaling is indicated；The transmitting element is additionally operable to
When the time slot indication information element is invalid, or the time slot instruction is not got from the descending control signaling
During cell, the n-th subframe after the subframe for receiving the descending control signaling sends upstream data.
Optionally, when the user terminal is in FDD standards, the value of i is in 3,4,5,6
Any one；When the user terminal is in TDD standards, i >=3.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that：
After descending control signaling is received, time slot indication information element is obtained from descending control signaling, with
Know using the time slot of the descending control signaling, and the data transfer for indicating to perform according to descending control signaling
Type, carries out upstream data transmission in corresponding time slot or downlink data is received, such that it is able to realize one
Individual time slot is scheduled to user terminal, shortens the time delay of base station scheduling user terminal.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the scheduling of user terminals method in the embodiment of the present invention；
Fig. 2 is a kind of structural representation of the scheduling of user terminals device in the embodiment of the present invention.
Specific embodiment
In the prior art, the signaling and data that user terminal receives base station transmission are with a subframe as single
Position, i.e., receive the signaling and data of base station transmission in units of 1ms.Correspondingly, base station scheduling UE is also
In units of 1ms.In the prior art, the time delay of base station scheduling UE is more long.
In embodiments of the present invention, it is allowed to which base station is unit scheduling user terminal, a subframe according to time slot
Comprising two time slots：First time slot and the second time slot, each time slot duration 0.5ms.User terminal is in subframe
First time slot in, obtain the corresponding descending control signaling of user terminal, obtained from descending control signaling
Time slot indication information element is taken, to know using the time slot of the descending control signaling, and according to descending control signaling
The data transmission for performing is indicated, upstream data transmission is carried out in corresponding time slot or downlink data is received,
Such that it is able to realize being scheduled user terminal in a time slot, shorten base station scheduling user terminal when
Prolong.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to
Accompanying drawing is described in detail to specific embodiment of the invention.
The embodiment of the invention provides a kind of scheduling of user terminals method, reference picture 1, below by way of specific step
Suddenly it is described in detail.
Step S101, receives the signal for sub- frame in that base station issues.
Step S102, in first time slot of the subframe, under acquisition is corresponding with the user terminal
Row control signaling.
In actual applications, the time span of radio frames is 10ms, and each radio frames includes 10 sons
Frame, the time span of each subframe is 1ms.Each subframe includes two time slots, the time of each time slot
Length is 0.5ms.When base station is that the descending control signaling that user terminal is distributed is arranged on first of subframe
In the physical resource of gap.Under normal circumstances, the corresponding descending control signaling of user terminal is arranged on first
In first symbol (Symbol) of time slot to the 3rd symbol.
User terminal is received when the data that base station sends are received, first and is located at subframe first the first of time slot
The descending control signaling transmitted on PDCCH in individual symbol to the 3rd symbol.User terminal is detected
Whether there is via Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell Radio Network of oneself in PDCCH
Temporary Identifier, C-RNTI) scrambling descending control signaling.When exist via oneself
During the descending control signaling of C-RNTI scramblings, you can the descending control signaling of oneself is obtained from PDCCH.
After user terminal gets the descending control signaling of oneself, step S103 can be performed.
Step S103, obtains time slot indication information element from the descending control signaling.
In embodiments of the present invention, base station, can be in user terminal pair when data are sent to user terminal
Increase a time slot indication information element in the descending control signaling answered newly, newly-increased time slot indication information element can be one
Individual bit or multiple bits, the time slot indication information element can indicate which the descending control signaling is applied to
Individual time slot.
User terminal is after descending control signaling is got, you can therefrom obtain time slot indication information element, and then
Can know using the time slot of the descending control signaling.When time slot indication information element is 1 bit information element, can
To set when time slot indication information element is set to 1 effectively, it is invalid when 0 that setting time slot indication information element is set to.
It is currently to connect using the time slot of the descending control signaling when time slot indication information element is 1 bit information element
First time slot of the subframe for receiving；When time slot indication information element is many bit information elements, many ratios can be known
The value x of special time slot indication information element, now, is currently received using the time slot of the descending control signaling
X time slot after first time slot of subframe is (when receiving x-th after descending control signaling
Gap), particularly, when x is 0, instruction receives the place time slot of descending control signaling.
After time slot indication information element is got, you can know using the time slot of the descending control signaling.
In practical application, the descending control signaling that user terminal is received is possibly used for downlink data reception, also may be used
Upstream data transmission can be used for.For example, it is DCI 1A to obtain descending control signaling corresponding with user terminal
(i.e. DCI format is 1A), then the descending control signaling is received for downlink data.And for example, obtain with
The corresponding descending control signaling of user terminal is DCI 0 (i.e. DCI format is 0), then the descending control letter
Make and being sent for upstream data.
Therefore, after the time slot that descending control signaling and the descending control signaling are applied to is got, can
To perform step S104, to know that the descending control signaling is sent for upstream data or for descending
Data receiver.If not detecting time slot indication information element in this step, show the descending control letter
Order is applied to a subframe, and user terminal performs data receiver or transmission using current mechanism.
Step S104, judges whether the descending control signaling indicates to perform downlink data reception.When described
When descending control signaling indicates to perform downlink data reception, step S105 is performed；When the descending control letter
When order indicates to perform upstream data transmission, step S106 is performed.
Step S105, in the time slot of the application descending control signaling, and in the descending control letter
Make and receive downlink data in the resource for indicating.
In embodiments of the present invention, when time slot indication information element is 1 bit information element and when being asserted, when
The time slot of the application descending control signaling that gap indication information element is indicated is to receive the descending control signaling
Time slot., namely when descending control signaling is received in first time slot of subframe n, using the descending control
The time slot of signaling processed is first time slot of subframe n.Therefore, in first time slot of the subframe,
The data of base station transmission are received in the resource that the descending control signaling is indicated.
When time slot indication information element is many bit information elements, the value of the time slot indication information element of many bits can be known
X, at this point it is possible to the x time slot after the descending control signaling is received, in the descending control letter
Make the data that base station transmission is received in the resource for indicating.
For example, the data in the time slot indication information element of many bits are 101, the subframe being currently received is subframe
N, then the first of present sub-frame time slot is 2n, and second time slot is 2n+1.Now, many bits when
The value of gap indication information element is x=5, then (receiving the descending control signaling in the 2n+5 time slot
The 5th time slot afterwards), the data of base station transmission are received in the resource that the descending control signaling is indicated.
Step S106, i-th time slot after the descending control signaling is received sends upstream data.
In specific implementation, when time slot indication information element is 1 bit information element and when being asserted, Huo Zheshi
When gap indication information element is many bit information elements, the sending time slots indicated by it are believed to receive the descending control
I-th time slot after order.Therefore, it can in i-th after receiving the descending control signaling
Gap sends upstream data.
In embodiments of the present invention, the network formats that i values can be presently in user terminal are related.When with
When the network formats that family terminal is presently in are FDD (frequency division multiplexing), the value of i can for 3,4,5,
Any one in 6.When the network formats that user terminal is presently in are TDD (time division multiplex), i >=3.
I values can also be moved by base station according to the load of the disposal ability and base station of user terminal and disposal ability
State is configured, and base station can be that user terminal configures i values by radio resource control signaling, it is also possible to descending
In control signaling i values are indicated to user terminal.
In embodiments of the present invention, can also exist in descending control signaling in the absence of time slot indication information element
Scene.When time slot indication information element is 1 bit information element, can also there is time slot indication information element and be set to nothing
The scene of effect.When there is above two scene, the transmission of upstream data is performed using current mechanism.
In the prior art, when time slot indication information element is invalid, or do not got from descending control signaling
During time slot indication information element, the money indicated according to descending control signaling in the subframe for receiving descending control signaling
Source receives downlink data；Or the n-th subframe after the subframe for receiving descending control signaling sends up
Data.
The network formats that the value of N can be presently in user terminal are related.When the current institute of user terminal
When the network formats at place are FDD (frequency division multiplexing), N=4.When the network system that user terminal is presently in
When formula is TDD (time division multiplex), N >=4.
For example, the subframe for receiving descending control signaling is subframe M, then when time slot indication information element is invalid,
The resource indicated according to descending control signaling in subframe M receives downlink data；After subframe M
4 subframes send upstream data.
From the above can be with, in the prior art, it with a subframe is unit that base station scheduling user terminal is all,
Therefore there is a problem of that scheduling user terminal time delay is more long.
In embodiments of the present invention, after descending control signaling is received, obtained from descending control signaling
Time slot indication information element is taken, to know using the time slot of the descending control signaling, and according to descending control signaling
The data transmission for performing is indicated, upstream data transmission is carried out in corresponding time slot or downlink data is received,
Such that it is able to realize being scheduled user terminal in a time slot, shorten base station scheduling user terminal when
Prolong.
Reference picture 2, gives a kind of scheduling of user terminals device 20 in the embodiment of the present invention, including：
First receiving unit 201, descending control signaling acquiring unit 202, time slot indication information element acquiring unit 203
Second receiving unit 204 and transmitting element 205, wherein：
First receiving unit 201, for receiving the signal for sub- frame in that base station issues；
Descending control signaling acquiring unit 202, for first time slot in the subframe, obtain with it is described
The corresponding descending control signaling of user terminal；
Time slot indication information element acquiring unit 203, letter is indicated for obtaining time slot from the descending control signaling
Unit, the time slot indication information element is used to indicate the time slot of the application descending control signaling；
Second receiving unit 204, for when the descending control signaling indicate perform downlink data receive when,
In the time slot of the application descending control signaling, and in the resource that the descending control signaling is indicated
Receive downlink data；
Transmitting element 205, for when the descending control signaling indicates to perform upstream data transmission, connecing
Receive i-th time slot after the descending control signaling and send upstream data.
In specific implementation, the time slot indication information element is 1 bit information element, under indicating application described
The time slot of row control signaling is first time slot of the subframe.
In specific implementation, the time slot indication information element is many bit information elements, for indicating the subframe
X-th time slot after first time slot.
In specific implementation, second receiving unit 204 can be also used for when the time slot indication information element
It is invalid, or when not getting the time slot indication information element from the descending control signaling, it is described receiving
The resource indicated according to the descending control signaling in the subframe of descending control signaling receives downlink data；
The transmitting element 205 can be also used for when the time slot indication information element is invalid, or from described descending
When the time slot indication information element is not got in control signaling, the subframe of the descending control signaling is being received
N-th subframe afterwards sends upstream data.
In specific implementation, when the user terminal is in FDD standards, the value of i is 3,4,5,
Any one in 6；When the user terminal is in TDD standards, i >=3.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in a computer can
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (12)
1. a kind of scheduling of user terminals method, it is characterised in that including：
Receive the signal for sub- frame in that base station issues；
In first time slot of the subframe, descending control signaling corresponding with the user terminal is obtained；
Time slot indication information element is obtained from the descending control signaling, the time slot indication information element is used to indicate to apply
The time slot of the descending control signaling；
When the descending control signaling indicates to perform downlink data reception, in the application descending control letter
The time slot of order, and receive downlink data in the resource that the descending control signaling is indicated；
When the descending control signaling indicates to perform upstream data transmission, the descending control signaling is being received
I-th time slot afterwards sends upstream data.
2. scheduling of user terminals method as claimed in claim 1, it is characterised in that the time slot indication information element
It is 1 bit information element.
3. scheduling of user terminals method as claimed in claim 2, it is characterised in that when the time slot indicates to believe
When first effective, it is described that the time slot indication information element is used to indicate the time slot of the application descending control signaling
First time slot of subframe.
4. scheduling of user terminals method as claimed in claim 1, it is characterised in that the time slot indication information element
It is many bit information elements.
5. scheduling of user terminals method as claimed in claim 4, it is characterised in that the time slot indication information element
Time slot for indicating the descending control signaling is：X-th after first time slot of the subframe
Time slot, x is the value of the time slot indication information element.
6. scheduling of user terminals method as claimed in claim 1, it is characterised in that also include：
When the time slot indication information element is invalid, or the time slot instruction is not got from the descending control signaling
During cell, the money indicated according to the descending control signaling in the subframe for receiving the descending control signaling
Source receives downlink data, or the n-th subframe transmission after the subframe for receiving the descending control signaling
Upstream data.
7. scheduling of user terminals method as claimed in claim 1, it is characterised in that at the user terminal
When FDD standards, the value of i is any one in 3,4,5,6；When the user terminal is in TDD
During standard, i >=3.
8. a kind of scheduling of user terminals device, it is characterised in that including：
First receiving unit, for receiving the signal for sub- frame in that base station issues；
Descending control signaling acquiring unit, for first time slot in the subframe, obtains and user's end
Hold corresponding descending control signaling；
Time slot indication information element acquiring unit, for obtaining time slot indication information element, institute from the descending control signaling
State time slot indication information element for indicate apply the descending control signaling time slot；
Second receiving unit, for when the descending control signaling indicates to perform downlink data reception, described
Using the time slot of the descending control signaling, and under reception in the resource that the descending control signaling is indicated
Row data；
Transmitting element, for when the descending control signaling indicates to perform upstream data transmission, receiving
State i-th time slot after descending control signaling and send upstream data.
9. scheduling of user terminals device as claimed in claim 8, it is characterised in that the time slot indication information element
It is 1 bit information element, for indicating using first that the time slot of the descending control signaling is the subframe
Time slot.
10. scheduling of user terminals device as claimed in claim 8, it is characterised in that the time slot indication information element
It is many bit information elements, for x-th time slot after first time slot for indicating the subframe.
11. scheduling of user terminals devices as claimed in claim 8, it is characterised in that second receiving unit
It is additionally operable to when the time slot indication information element is invalid, or when not getting described from the descending control signaling
During gap indication information element, refer to according to the descending control signaling in the subframe for receiving the descending control signaling
The resource shown receives downlink data；
The transmitting element is additionally operable to when the time slot indication information element is invalid, or from the descending control signaling not
When getting the time slot indication information element, the n-th after the subframe for receiving the descending control signaling
Subframe sends upstream data.
12. scheduling of user terminals devices as claimed in claim 8, it is characterised in that at the user terminal
When FDD standards, the value of i is any one in 3,4,5,6；When the user terminal is in TDD
During standard, i >=3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722587.XA CN110267352B (en) | 2015-12-01 | 2015-12-01 | User terminal scheduling method and device |
| CN201510868781.0A CN106817773B (en) | 2015-12-01 | 2015-12-01 | Scheduling of user terminals method and device |
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| CN201510868781.0A CN106817773B (en) | 2015-12-01 | 2015-12-01 | Scheduling of user terminals method and device |
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| CN201910722587.XA Division CN110267352B (en) | 2015-12-01 | 2015-12-01 | User terminal scheduling method and device |
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| CN106817773A true CN106817773A (en) | 2017-06-09 |
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| CN112583557A (en) * | 2019-09-30 | 2021-03-30 | 大唐移动通信设备有限公司 | Energy-saving information transmission method, base station and terminal |
| CN112584470A (en) * | 2019-09-30 | 2021-03-30 | 大唐移动通信设备有限公司 | Energy-saving information transmission method, terminal and network side equipment |
| CN112583557B (en) * | 2019-09-30 | 2023-06-23 | 大唐移动通信设备有限公司 | Energy-saving information transmission method, base station and terminal |
| CN115801111A (en) * | 2023-02-10 | 2023-03-14 | 成都戎星科技有限公司 | Method for realizing MF-TDMA signal user time slot data separation |
Also Published As
| Publication number | Publication date |
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| CN106817773B (en) | 2019-07-19 |
| CN110267352B (en) | 2021-09-07 |
| CN110267352A (en) | 2019-09-20 |
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