CN110035508A - A kind of mobile communication downlink multi-slot dispatching method and system - Google Patents
A kind of mobile communication downlink multi-slot dispatching method and system Download PDFInfo
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- CN110035508A CN110035508A CN201810029292.XA CN201810029292A CN110035508A CN 110035508 A CN110035508 A CN 110035508A CN 201810029292 A CN201810029292 A CN 201810029292A CN 110035508 A CN110035508 A CN 110035508A
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- time slot
- slot
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- indicator
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- 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
Abstract
The application discloses a kind of mobile communication downlink multi-slot dispatching method and system, the described method comprises the following steps: the network equipment sends instruction information to terminal device, the descending time slot number for indicating continuously to dispatch；According to the descending time slot number continuously dispatched, time slot sets are preselected；Unavailable time slot is removed in the pre-selection time slot sets, determines available time slot set；The network equipment occupies the available time slot set, and Xiang Suoshu terminal device sends business datum.The application also includes the system for realizing the scheduling of downlink multi-slot.By means of the present invention and system can completely realize the continuous scheduling of resource of multi-slot and distribution on the basis of existing new air interface standard, and the scheduling and transmission of more resources are realized using less overhead.
Description
Technical field
A kind of transmitted this application involves mobile communication field more particularly to downlink information multi-slot dispatching method and it is
System.
Background technique
5G is the Main way of mobile communications network development, and the specification that 5G newly eats dishes without rice or wine at present is also in formulation process.For
Future communication systems need support the scenes such as big data, low time delay and big connection.To support different business features, in physics
Layer is also required to realize corresponding performance enhancement using different technology and equipments.Wherein, frame structure design is that whole system is set
The basis of meter.And in frame structure design, the scheduling of time-domain resource is again most basic design.3GPP is specified at present newly eats dishes without rice or wine
(NR) standard supports the scheduling scheme of the mini time slot (mini-slot) based on single time slot (Slot) and less force degree, wherein
One time slot is defined as temporal 14 continuous symbols.In order to save scheduling resource, and big business packet is preferably supported to send
Or to some business for having higher reliability to require, new air interface standard will also support the scheduling scheme based on multiple time slots, this
The method and apparatus that invention just proposes a kind of offer downlink multi-slot scheduling.
Summary of the invention
According to international technical standards, multi-slot is dispatched by high-level signaling downlink multi-slot polymerizing factor (aggregation-
Factor-DL it) is semi-statically configured, but without standardized embodiment.In order to solve this problem, the application proposes one kind
Mobile communication downlink multi-slot dispatching method and system.
A kind of mobile communication downlink multi-slot dispatching method provided by the embodiments of the present application, comprising the following steps: network is set
It is standby to send instruction information to terminal device, the descending time slot number for indicating continuously to dispatch；It is continuously dispatched down according to described
Row number of time slot preselects time slot sets；Unavailable time slot is removed in the pre-selection time slot sets, determines available time slot set；
The network equipment occupies the available time slot set, and Xiang Suoshu terminal device sends business datum.
Preferably, the instruction information includes the first indicator, for indicating the descending time slot number continuously dispatched；
The descending time slot number continuously dispatched is equal to or less than the value of high-level signaling downlink multi-slot polymerizing factor.
It is further preferred that the instruction information, is also used to indicate disabling downlink multi-slot scheduling.
Specifically, embodiments herein includes:
When first indicator is 1 bit, for indicating 2 kinds of states, respectively
The scheduling of disabling downlink multi-slot, the descending time slot number continuously dispatched be equal to the polymerization of high-level signaling downlink multi-slot because
The value of son；
When first indicator is 2 bit, for indicating 4 kinds of states, respectively
The scheduling of disabling downlink multi-slot, the descending time slot number continuously dispatched are equal to 2,3 or 4；
When first indicator is 3 bit, for indicating 8 kinds of states, respectively
The scheduling of disabling downlink multi-slot, the descending time slot number continuously dispatched are equal to 2,3,4,5,6,7 or 8.
Mobile communication downlink multi-slot dispatching method provided by the embodiments of the present application, the unavailable time slot include with down toward
Few one kind:
Part or all of resource is reserved for uplink business data in the time slot；
Part or all of resource is reserved for other terminal devices or business datum in the time slot；
The HARQ feedback time of the time slot is later than the HARQ feedback time of the first time slot in the pre-selection time slot sets.
Mobile communication downlink multi-slot dispatching method provided by the embodiments of the present application, the network equipment occupy described in can use
Time slot sets, Xiang Suoshu terminal device send the mode of business datum, include following at least one:
Mode one, each time slot in the available time slot set, the network equipment send identical data block；
Mode two, each time slot in the available time slot set, the network equipment send different data blocks；
Mode three, each time slot in the available time slot set, the network equipment send the different portions of a data block
Point.
In order to effectively further realize that downlink multi-slot is dispatched, the instruction information includes the second indicator, is used for table
Show the type of the mode.
Specifically, embodiments herein includes:
When the second indicator length is 1 bit, for 2 kinds of states of expression, a kind of predetermined manner is respectively corresponded, it is described
Predetermined manner includes any 2 kinds in mode one, mode two, mode three；
When the second indicator length is 2 bit, for indicating 4 kinds of states, mode one, mode two, side are respectively corresponded
Formula three and invalid state.
Embodiments herein also proposes a kind of mobile communication downlink information transmission system, implements any one in the application
Embodiment the method, the system include the network equipment and at least one terminal device.
The network equipment, for sending the instruction information to the terminal device；
The network equipment, for preselecting time slot sets according to the descending time slot number continuously dispatched；
The network equipment determines available time slot set for removing unavailable time slot in the pre-selection time slot sets；
The network equipment, for occupying the available time slot set, Xiang Suoshu terminal device sends business datum；
The terminal device receives the business datum in the available time slot set for receiving the instruction information.
In the system of the embodiment of the present application, it is preferable that the instruction information includes first indicator and/or described the
Two indicators.
At least one above-mentioned technical solution that the embodiment of the present application uses can reach following the utility model has the advantages that through the invention
Method and system, on the basis of existing new air interface standard, can completely realize the continuous scheduling of resource of multi-slot and distribution, benefit
The scheduling and transmission of more resources are realized with less overhead.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the embodiment flow chart of mobile communication downlink multi-slot dispatching method of the present invention；
Fig. 2 is the unavailable time slot schematic diagram of resource contention；
Fig. 3 is the unavailable time slot schematic diagram that HARQ delays；
Fig. 4 is the system embodiment schematic diagram of mobile communication downlink multi-slot of the present invention scheduling.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
Fig. 1 is the embodiment flow chart of mobile communication downlink multi-slot dispatching method of the present invention.The embodiment of the present application provides
A kind of mobile communication downlink multi-slot dispatching method, comprising the following steps:
Step 11, the network equipment send instruction information to terminal device, the descending time slot number for indicating continuously to dispatch；
Step 12, according to the descending time slot number continuously dispatched, preselect time slot sets；
Step 13 removes unavailable time slot in the pre-selection time slot sets, determines available time slot set；
Step 14, the network equipment occupy the available time slot set, and Xiang Suoshu terminal device sends business datum.
Step 11~14 are illustrated in detail below.
In a step 11, it is preferable that the instruction information includes the first indicator, is continuously dispatched down for indicating described
Row number of time slot；The descending time slot number continuously dispatched is equal to or less than high-level signaling downlink multi-slot polymerizing factor
Value.For example, aggregation-factor-DL value is 1,2,4 or 8 defined in 38.214 v1.3.0 of 3GPP TS.
It should be noted that only in aggregation-factor-DL > 1, when being likely to carry out continuous more
Gap scheduling；In aggregation-factor-DL=1, no downlink multi-slot scheduling.
Even if should be noted in aggregation-factor-DL > 1, multi-slot tune can not also be used
Degree.Therefore, it is further preferred that the instruction information, is also used to indicate disabling downlink multi-slot scheduling.
The embodiment of the first indicator is specifically described below.In the Downlink Control Information (DCI) that network equipment side is sent
The instruction information is added, the instruction information includes the first indicator, and the bit length and content of first indicator can
Configuration.
As aggregation-factor-DL=1, first indicator is 0 bit, that is, downlink multi-slot is not present
Scheduling.
As aggregation-factor-DL > 1,
For example, for indicating 2 kinds of states, being respectively as follows: disabling downlink multi-slot tune when first indicator is 1 bit
Degree, the descending time slot number continuously dispatched are equal to the value of high-level signaling downlink multi-slot polymerizing factor；
For example, for indicating 4 kinds of states, being respectively as follows: disabling downlink multi-slot tune when first indicator is 2 bit
Degree, the descending time slot number continuously dispatched are equal to 2,3 or 4；
For example, for indicating 8 kinds of states, being respectively as follows: disabling downlink multi-slot tune when first indicator is 3 bit
Degree, the descending time slot number continuously dispatched are equal to 2,3,4,5,6,7 or 8.
In special circumstances, as being 0 bit not comprising the first indicator or first indicator, then it represents that continuous scheduling
Descending time slot number be equal to high-level signaling downlink multi-slot polymerizing factor value.
In step 12, after the network equipment is dispatched using multi-slot in step 11, for example, in aggregation-
In the case of factor-DL > 1, instruction information determines continuous aggregation-factor-DL (or less than aggregation-
Factor-DL) network equipment sends business datum in a time slot, then it needs to be determined which time slot is actually used in data transmission.Tool
Body mode are as follows: pre-selection time slot sets A, wherein element is the time slot dispatched for continuous slot, and number is in A at this time
aggregation-factor-DL。
In step 13, mobile communication downlink multi-slot dispatching method provided by the embodiments of the present application traverses time slot sets A
In each element the element is deleted from set A if currentElement meets unusable condition.When described unavailable
Gap includes following at least one:
Part or all of resource is reserved for uplink business data in the time slot；
Part or all of resource is reserved for other terminal devices or business datum in the time slot；
The HARQ feedback time of the time slot is later than the HARQ feedback time of the first time slot in the pre-selection time slot sets.
Fig. 2 is the unavailable time slot schematic diagram of resource contention." Slot " in figure indicates time slot.Fig. 2 provides such situation
Lower two kinds of examples, as aggregation-factor-DL=4, whole running time-frequency resources in Slot 4 be not downlink resource and
Be portion of time frequency resources in ascending resource (Fig. 2 .A) or Slot 4 it is not downlink resource (Fig. 2 .B), therefore cannot uses
Continuous data transmission is carried out with the identical running time-frequency resource of Slot 1.Even at this point, one of 4 elements in 4 set A of Slot,
Downlink data is sent not as continuous slot.
In Fig. 2 .B, the direction of part resource is different, and partial time slot is caused to cannot be used for continuous data transmission.Current time slots
Middle part resource reservation gives other business/terminals.The typical case such as system are before multi-slot scheduling, current time slots
Part resource is semi-static to keep for certain particular terminals or business to use.
In the situation that Fig. 2 is indicated, Slot 4 is only an example of the time slot of resource contention.Similarly, if Slot 3
There are resource contentions, then abandon slot 3.
Fig. 3 is the unavailable time slot schematic diagram that HARQ delays.The HARQ feedback time of current time slots feeds back in the first time slot
After HARQ time point.The ACK/NACK feedback of current time slots cannot be with the ACK/NACK of the first time slot data in same a period of time at this time
Between put carry out.Example as shown in Figure 3, although Slot 4 in the continuous time slots of aggregation-factor-DL=4, and
And be also to be used for downlink data, but cannot complete in Slot 5 due to feeding back after the time slot data receiver, Slot 4 is not
Data transmission is carried out as continuous slot.In the case, only Slot 1, Slot 2, Slot 3 carry out continuous data hair
It send.
In the situation that Fig. 3 is indicated, Slot 4 is only an example of the time slot that HARQ feedback is delayed.Similarly, if
The HARQ feedback time of Slot 3 after the first time slot feeds back HARQ time point, then abandons slot 3.
When the descending time slot number=aggregation-factor-DL continuously dispatched, obtained by step 13
The time slot sets A ' of data transmission is actually used in aggregation-factor-DL time slot.
At step 14, mobile communication downlink multi-slot dispatching method provided by the embodiments of the present application, the network equipment
The available time slot set is occupied, it includes following at least one that Xiang Suoshu terminal device, which sends the mode of business datum:
Mode one, each time slot in the available time slot set A ', the network equipment send identical data block；
Mode two, each time slot in the available time slot set A ', the network equipment send different data blocks；
Mode three, each time slot in the available time slot set A ', the network equipment send the difference of a data block
Part.
In order to effectively further realize that downlink multi-slot is dispatched, the instruction information includes the second indicator, is used for table
Show the type of the mode.For example, designated symbol is added in DCI, it is used to indicate each time slot real data sending method.Institute
State the descending time slot number=aggregation-factor-DL continuously dispatched, and continuous aggregation-factor-DL
When time slot is all available time slot, selectable mode are as follows: the continuous aggregation-factor-DL time slot of the network equipment uses
The information of current DCI instruction carries out identical data transmission, alternatively, the network equipment continuous aggregation-factor-DL
Time slot carries out different data blocks using the information of current DCI instruction and sends, alternatively, the continuous aggregation- of the network equipment
Factor-DL time slot sends the different piece of same data block (TB) using the information of current DCI instruction.
Specifically, the embodiment of the second indicator includes in the application:
When the second indicator length is 1 bit, for 2 kinds of states of expression, a kind of predetermined manner is respectively corresponded, it is described
Predetermined manner includes any 2 kinds in mode one, mode two, mode three；
When the second indicator length is 2 bit, for indicating 4 kinds of states, mode one, mode two, side are respectively corresponded
Formula three and invalid state.
In special circumstances, designated symbol length is 0 bit.One of three kinds of modes of default choice at this time.
Fig. 4 is the system embodiment schematic diagram of mobile communication downlink multi-slot of the present invention scheduling.Embodiments herein is also
It proposes a kind of mobile communication downlink information transmission system, implements any one embodiment the method in the application, the system
Include the network equipment 1 and at least one terminal device 2.
The network equipment, for sending the instruction information 101 to the terminal device；For according to the continuous tune
The descending time slot number of degree preselects time slot sets A；For removing unavailable time slot in the pre-selection time slot sets, determination can
With time slot sets A '；For occupying the available time slot set, Xiang Suoshu terminal device sends business datum 102.
The terminal device receives the business datum in the available time slot set for receiving the instruction information.
In the system of the embodiment of the present application, it is preferable that the instruction packet is contained in Downlink Control Information (DCI)；Institute
Stating instruction information includes first indicator and/or second indicator.
It should be noted that in the whole embodiments of the application, it is preferable that the instruction information also includes available time slot
Set.When the instruction information includes available time slot set, the execution sequence of each step may is that step 12,13,11,14.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of mobile communication downlink multi-slot dispatching method, which comprises the following steps:
The network equipment sends instruction information to terminal device, the descending time slot number for indicating continuously to dispatch；
According to the descending time slot number continuously dispatched, time slot sets are preselected；
Unavailable time slot is removed in the pre-selection time slot sets, determines available time slot set；
The network equipment occupies the available time slot set, and Xiang Suoshu terminal device sends business datum.
2. method as described in claim 1, which is characterized in that
The instruction information includes the first indicator, for indicating the descending time slot number continuously dispatched；
The descending time slot number continuously dispatched is equal to or less than the value of high-level signaling downlink multi-slot polymerizing factor.
3. method as described in claim 1, which is characterized in that
The instruction information is also used to indicate disabling downlink multi-slot scheduling.
4. method as described in claim 1, which is characterized in that
The unavailable time slot includes following at least one:
Part or all of resource is reserved for other terminal devices or business datum in the time slot；
Part or all of resource is reserved for uplink business data in the time slot；
The HARQ feedback time of the time slot is later than the HARQ feedback time of the first time slot in the pre-selection time slot sets.
5. method as described in claim 1, which is characterized in that the network equipment occupies the available time slot set, Xiang Suoshu
Terminal device sends the mode of business datum, includes following at least one:
Mode one, each time slot in the available time slot set, the network equipment send identical data block；
Mode two, each time slot in the available time slot set, the network equipment send different data blocks；
Mode three, each time slot in the available time slot set, the network equipment send the different piece of a data block.
6. method as claimed in claim 5, which is characterized in that
The instruction information includes the second indicator, for indicating the type of the mode.
7. method as claimed in claim 6, it is characterised in that
When the second indicator length is 1 bit, for 2 kinds of states of expression, a kind of predetermined manner is respectively corresponded, it is described default
Mode includes any 2 kinds in mode one, mode two, mode three；
When the second indicator length is 2 bit, for indicating 4 kinds of states, mode one, mode two, mode three are respectively corresponded
And invalid state.
8. method as claimed in claim 2, it is characterised in that
When first indicator is 1 bit, for indicating 2 kinds of states, it is respectively as follows:
The scheduling of disabling downlink multi-slot, the descending time slot number continuously dispatched are equal to high-level signaling downlink multi-slot polymerizing factor
Value；
When first indicator is 2 bit, for indicating 4 kinds of states, it is respectively as follows:
The scheduling of disabling downlink multi-slot, the descending time slot number continuously dispatched are equal to 2,3 or 4；
When first indicator is 3 bit, for indicating 8 kinds of states, it is respectively as follows:
The scheduling of disabling downlink multi-slot, the descending time slot number continuously dispatched are equal to 2,3,4,5,6,7 or 8.
9. a kind of mobile communication downlink information transmission system for claim 1~8 any one the method, feature exist
In comprising the network equipment and at least one terminal device；
The network equipment, for sending the instruction information to the terminal device；
The network equipment, for preselecting time slot sets according to the descending time slot number continuously dispatched；
The network equipment determines available time slot set for removing unavailable time slot in the pre-selection time slot sets；
The network equipment, for occupying the available time slot set, Xiang Suoshu terminal device sends business datum；
The terminal device receives the business datum in the available time slot set for receiving the instruction information.
10. system as claimed in claim 9, which is characterized in that the instruction information includes first indicator and/or described
Second indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029292.XA CN110035508B (en) | 2018-01-12 | 2018-01-12 | Method and system for scheduling downlink multi-time slots of mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029292.XA CN110035508B (en) | 2018-01-12 | 2018-01-12 | Method and system for scheduling downlink multi-time slots of mobile communication |
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| Publication Number | Publication Date |
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| CN110035508A true CN110035508A (en) | 2019-07-19 |
| CN110035508B CN110035508B (en) | 2023-01-17 |
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| CN201810029292.XA Active CN110035508B (en) | 2018-01-12 | 2018-01-12 | Method and system for scheduling downlink multi-time slots of mobile communication |
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| CN112822780A (en) * | 2021-01-15 | 2021-05-18 | 中国信息通信研究院 | Downlink continuous data transmission method, equipment and system |
| WO2022056844A1 (en) * | 2020-09-18 | 2022-03-24 | Lenovo (Beijing) Limited | Method and apparatus for multiple transmissions scheduled by one dci format |
| WO2024065420A1 (en) * | 2022-09-29 | 2024-04-04 | Oppo广东移动通信有限公司 | Methods for sidelink communication, and terminal devices |
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| WO2022056844A1 (en) * | 2020-09-18 | 2022-03-24 | Lenovo (Beijing) Limited | Method and apparatus for multiple transmissions scheduled by one dci format |
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| WO2024065420A1 (en) * | 2022-09-29 | 2024-04-04 | Oppo广东移动通信有限公司 | Methods for sidelink communication, and terminal devices |
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| CN110035508B (en) | 2023-01-17 |
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