CN108235340A - Downlink dispatching method, device and base station - Google Patents
Downlink dispatching method, device and base station Download PDFInfo
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- CN108235340A CN108235340A CN201611192179.0A CN201611192179A CN108235340A CN 108235340 A CN108235340 A CN 108235340A CN 201611192179 A CN201611192179 A CN 201611192179A CN 108235340 A CN108235340 A CN 108235340A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- 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
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provides a kind of downlink dispatching method, device and base station.The method includes：Dispatch each group user equipment by the way of shared PRB Pair, the number of user equipment in each group user equipment is higher than the quantity of shared PRB Pair.The present invention can make full use of transfer resource, improve the service efficiency of frequency spectrum.
Description
Technical field
The present invention relates to a kind of field of communication technology more particularly to downlink dispatching method, device and base stations.
Background technology
(User Equipment are used UE in LTE or new mobile technology NR (New Radio, newly eat dishes without rice or wine, 5G technologies)
Family equipment), when there are data transfer demands, network can be accessed and establish RRC connections, initially set up Signaling Radio Bearer, Ran Houjian
Data Radio Bearer is found to transmit data.After Data Radio Bearer is established, UE can start to receive data and transmission
Data.
The application for instant messaging that there are many current UEs, such as wechat, QQ, the data that these applications generate have quite a few
It is small data, the size of each small data only has the size of tens of bits or only several bits.But according to existing tune
Degree strategy, base station need at least to distribute a PRB Pair (Physical when for each UE allocation of downlink transfer resource
Resource Block Pair, Physical Resource Block to), PRB Pair occupies 2 time slots, 14 symbols, when base station passes through
When one PRB Pair is to some UE transmission data, base station determines a PRB according to the channel quality parameter of UE present positions
The bit number that Pair can be transmitted, according to existing protocol, when not using space division multiplexing, a PRB Pair can at most be transmitted
712 bits (the modulating-coding form for using 64QAM) or 968 bits (the modulating-coding form for using 256QAM)；When UE is small
Channel quality is very poor during area edge, and a PRB Pair can only transmit tens of bits data at this time.
Therefore in the implementation of the present invention, inventor has found at least to have the following technical problems in the prior art：
For the UE of non-cell edge, small data is transmitted in base station using a PRB Pair to it can cause the wasting of resources,
Cause spectrum efficiency relatively low.
Invention content
In view of this, the present invention provides a kind of downlink dispatching method, device and base station, can improve the use effect of frequency spectrum
Rate.
In a first aspect, the present invention provides a kind of downlink dispatching method, suitable for base station, including：
Dispatch each group user equipment by the way of shared PRB Pair, the user device quantity in each group user equipment
Amount is higher than the quantity of shared PRB Pair.
Optionally, it is described dispatch each group user equipment by the way of the shared PRB Pair before, the method is also wrapped
It includes：
Measure the downlink data of all user equipmenies in connected state in cell；
The user equipment for being less than first threshold to the size of downlink data is grouped, this lower line number of each group user equipment
According to total amount be no more than the shared PRB Pair bearing capacity.
Optionally, it is described to dispatch each group user equipment by the way of shared PRB Pair and include：
Multiple user equipmenies in any one group of user equipment are sent with RRC signaling respectively, described in the RRC signaling carries
Multiple user equipmenies share the position in each comfortable shared PRB Pair of the instruction information of PRB Pair, the multiple user equipment
Confidence ceases and the instruction information of common RNTI；
It receives the RRC connection reconfigurations that the multiple user equipment is sent and puts and complete signaling；
The DCI for scrambling the common RNTI is sent to the multiple user equipment.
Optionally, the location information in each comfortable shared PRB Pair of the multiple user equipment includes：
The combination of subcarrier information, symbolic number or resource unit that different user devices occupy.
Optionally, it is described to dispatch each group user equipment by the way of shared PRB Pair and include：
Multiple user equipmenies in any one group of user equipment are sent with RRC signaling respectively, described in the RRC signaling carries
Multiple user equipmenies share the instruction information of PRB Pair；
It receives the RRC connection reconfigurations that the multiple user equipment is sent and puts and complete signaling；
DCI is sent respectively to the multiple user equipment, and the DCI carries what each leisure of the multiple user equipment was shared
Location information in PRB Pair.
Optionally, the DCI uses the new RNTI scramblings different from C-RNTI, and the new RNTI is believed by the RRC
Enable transmission.
Second aspect, the present invention provide a kind of descending scheduling device, suitable for base station, including：
Scheduling unit, for dispatching each group user equipment, each group user equipment by the way of shared PRB Pair
Interior number of user equipment is higher than the quantity of shared PRB Pair.
Optionally, described device further includes：
Measuring unit, for measuring the downlink data of all user equipmenies in connected state in cell；
Grouped element, the user equipment for being less than first threshold to the size of downlink data are grouped, each group user
The total amount of this downlink data of equipment is no more than the bearing capacity of the shared PRB Pair.
Optionally, the scheduling unit includes：
First transmission sub-unit, for sending RRC signaling respectively to multiple user equipmenies in any one group of user equipment,
The RRC signaling carries the multiple user equipment and shares the instruction information of PRB Pair, each leisure of the multiple user equipment
The instruction information of location information and common RNTI in shared PRB Pair；
First receiving subelement, the RRC connection reconfigurations for receiving the multiple user equipment transmission, which are put, completes signaling；
Second transmission sub-unit, for sending the DCI for scrambling the common RNTI to the multiple user equipment.
Optionally, the multiple user equipment that the RRC signaling that first transmission sub-unit is sent carries is each comfortable common
Location information in the PRB Pair enjoyed includes：
The combination of subcarrier information, symbolic number or resource unit that different user devices occupy.
Optionally, the scheduling unit includes：
Third transmission sub-unit, for sending RRC signaling respectively to multiple user equipmenies in any one group of user equipment,
The RRC signaling carries the instruction information that the multiple user equipment shares PRB Pair；
Second receiving subelement, the RRC connection reconfigurations for receiving the multiple user equipment transmission, which are put, completes signaling；
4th transmission sub-unit, for sending DCI respectively to the multiple user equipment, the DCI carries the multiple
Location information in each comfortable shared PRB Pair of user equipment.
Optionally, the DCI that the 4th transmission sub-unit is sent uses the new RNTI scramblings different from C-RNTI, described
New RNTI is transmitted by the RRC signaling that the third transmission sub-unit is sent.
The third aspect, the present invention provide a kind of base station, and the base station includes above-mentioned descending scheduling device.
Downlink dispatching method provided by the invention, device and base station measure all use in connected state in cell first
The downlink data of family equipment, for the less user equipment of downlink data, base station can pass through shared one or more PRB
Pair can make full use of transfer resource, improve the service efficiency of frequency spectrum simultaneously to multiple user device transmissions small datas.
Description of the drawings
Fig. 1 is the flow chart of downlink dispatching method that one embodiment of the invention provides；
Fig. 2 is the flow chart of downlink dispatching method that another embodiment of the present invention provides；
Fig. 3 is position views of the different UE that provide of one embodiment of the invention in a PRB Pair；
Fig. 4 is position views of the different UE that provide of another embodiment of the present invention in a PRB Pair；
Fig. 5 is the structure diagram of descending scheduling device that one embodiment of the invention provides；
Fig. 6 is the scheduling unit schematic diagram of descending scheduling device that one embodiment of the invention provides；
Fig. 7 is the scheduling unit schematic diagram of descending scheduling device that another embodiment of the present invention provides.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of downlink dispatching method, as shown in Figure 1, suitable for base station, the method includes：
S11, each group user equipment is dispatched by the way of shared PRB Pair, the user in each group user equipment sets
Quantity of the standby quantity higher than shared PRB Pair shares the situation of one or more PRB Pair including multiple UE.
As shown in Fig. 2, it is described dispatch each group user equipment by the way of the shared PRB Pair before, the method is also
Including：
The downlink data of all user equipmenies in connected state, picks out and wherein descends line number in S09, base station measurement cell
According to size be less than first threshold user equipment, when the downlink data size be less than first threshold when, illustrate it is described under
Row data are all small datas, wherein the first threshold can be set according to channel condition and need UE quantity to be sharing
It is fixed；
S10, according to the channel quality parameter of each user equipment and the downlink data of each user equipment, to what is picked out
The user equipment that the size of downlink data is less than first threshold is grouped, and the total amount of this downlink data of each group user equipment is not
More than the bearing capacity of shared PRB Pair, so that it is determined that the quantity of the UE of shared PRB Pair, when UE is in cell edge,
It is possible that UE there are one one group, is also scheduled at this time using existing way, when the channel quality of UE present positions is preferable,
It is possible that one group has multiple UE；After grouping is completed, S11 is performed.
Optionally, by taking one group of user equipment as an example, the common DCI of multiple user equipmenies in the group may be used in base station
(it is referred to as descending control signaling in Downlink Control Information, LTE, other titles may be used in 5G, this
Patent does not limit) some or certain several PRB Pair or PRB are shared to dispatch the multiple user equipment, including：
Base station sends RRC signaling respectively to the multiple UE, and the RRC signaling carries the multiple user equipment and shares
Information of the instruction information of PRB Pair as opened shared scheduling, for notifying UE base stations will be by the way of shared PRB Pair
Dispatch the UE；
Location information of the RRC signaling to the multiple UE instruction each in shared PRB Pair, at this
In why using RRC signaling without indicating the location information in each comfortable shared PRB Pair of different UE using DCI, it is main
If because DCI indicates that the bit number that location informations of the different UE in PRB Pair needs is more, need to indicate that UE is marked simultaneously
Knowledge and specific location informations of the UE in PRB Pair, but it is limited positioned at the bit number that the DCI of physical layer can be carried.Institute
The location information stated in each leisure PRB Pair of multiple UE mainly includes subcarrier information, symbolic number or the money that different UE are occupied
The combination of source unit (Resource Element, RE), base station indicate that the subcarrier that each UE is occupied is believed by the RRC signaling
The symbolic number that breath and each UE are occupied a, as shown in figure 3, group being made of 4 UE, carries wherein each UE occupies 12 sons
Wavestrip is wide, and only there are one symbols (first symbol) for the transmission of DCI in PRB Pair, other symbols are used for transmission 4 UE
Downlink data, 4 UE occupy the transfer resource of 3 or 4 symbols in time domain respectively, and wherein UE1 accounts for 3 symbols, and UE2 accounts for 3
A symbol, UE3 account for 4 symbols, and UE4 accounts for 3 symbols；There can also be other realization methods, as shown in figure 4, each UE difference
3 subcarrier bandwidths are occupied, each UE accounts for 13 symbols；In addition base station can also will be in PRB Pair by RRC signaling
Different UE is distributed in different RE combinations.It should be noted that the biography of DCI can be used in PRB Pair with more than one symbol
It is defeated, such as can be the transmission that preceding 3 symbols are used for DCI, at this point for Fig. 3, base station can indicate that UE1 and UE2 use two respectively
A symbol, UE3 and UE4 use 4 symbols and 3 symbols respectively.
In LTE, resource allocation shares one or more PRB in this patent as unit of PRB Pair with multiple UE
For Pair, in 5G, resource allocation may be as unit of PRB, and this patent is equally applicable, and multiple UE share one or more at this time
A PRB.Fig. 3 and Fig. 4 is illustrated by taking a PRB Pair as an example in this patent, but shares PRB Pair or shared in practice
PRB is not limited to PRB a Pair or PRB, can be that multiple user equipmenies share multiple PRB Pair or PRB, as long as with
Quantity of the quantity of family equipment higher than shared PRB Pair or PRB, for example, 4 user equipmenies share it is same during 2 PRB Pair
Sample is applicable in.
In addition the RRC signaling indicates a common RNTI (Radio Network Temporary to different UE
Identifier, radio network temporary identifier), when the multiple user equipment is dispatched in base station by the way of shared PRB Pair
When, DCI is using the common RNTI scramblings, and when the multiple user equipment is dispatched in base station using existing way, DCI is usual
Using C-RNTI (Cell RNTI, UE is specifically identified in cell) scrambling.
UE knows that base station will use shared PRB after above-mentioned RRC signaling (such as RRC connection reconfigurations confidence enables) is received
The mode of Pair dispatches oneself, to transmit downlink data, sends RRC connection reconfigurations to base station and puts and complete signaling；
Base station is received after the RRC connection reconfigurations that the multiple UE is sent put and complete signaling, and it is public to send the multiple UE
(i.e. shared PRB Pair are in system band for the location information of DCI, the multiple common DCI of UE including instruction PRB resources
Occupied location information in width), MCS (Modulation and coding scheme, modulating-coding form), HARQ processes
Number and whether the information of new data etc., the wherein location information of PRB resources is for 4 UE, and other parameters can be with
It is common for some UE or 4 UE, if MCS can be common, i.e., 4 UE use identical MCS；Or HARQ into
Journey number is that can have different HARQ process numbers for some UE, i.e., each UE, and in fdd, downlink has 8 HARQ processes,
3 bits is needed to indicate, 4 UE need the HARQ processes of the different UE of 12 bits instruction.
The multiple common DCI of UE are needed using the common RNTI scramblings, UE in PDCCH (Physical
Downlink Control Channel, Physical Downlink Control Channel) it detects using the scrambled DCI of common RNTI, it is receiving
To after the scrambled DCI using common RNTI, indicate oneself data in PRB Pair in each UE foundations RRC signaling
The corresponding PRB resources of location information from the common DCI instruction obtain one's own signal, solve wherein included
Data.
For other each group user equipmenies, it is scheduled using above-mentioned identical dispatching method, the quantity of UE can in each group
To differ, such as 2 or 3.
Downlink dispatching method provided in an embodiment of the present invention, base station indicate the UE shared by RRC signaling to different UE
PRB Pair in use position, while indicate common RNTI, UE receive scramble the common RNTI DCI it
Afterwards, signal is received from the corresponding positions of PRB Pair according to the position indicated in RRC signaling, solves downlink data.With existing skill
Art is compared, and base station can transmit small data to multiple UE simultaneously by shared one or more PRB Pair, can be fully sharp
With transfer resource, the service efficiency of frequency spectrum is improved.
Optionally, by taking one group of user equipment as an example, base station shares some or certain in the multiple user equipmenies dispatched in the group
During several PRB Pair or PRB, other than using the common DCI of the multiple user equipment, base station can also use multiple
DCI dispatches the multiple user equipment respectively, i.e. a DCI dispatches a user equipment, including：
RRC signaling is sent respectively to the multiple user equipment, and the RRC signaling carries the multiple user equipment and shares
Information of the instruction information of PRB Pair as opened shared scheduling, for notifying UE base stations will be by the way of shared PRB Pair
Dispatch the UE；The RRC signaling instruction information for carrying the multiple respective RNTI of user equipment optional simultaneously；
The RRC connection reconfigurations that base station the multiple user equipment of reception is sent, which are put, completes signaling, and UE needs start to connect at this time
The DCI of shared scheduling is received, the DCI format is different from existing DCI format；
DCI is sent respectively to the multiple user equipment, and the DCI is in addition to having the location information of PRB resources, MCS
(Modulation and coding scheme, modulating-coding form), HARQ process numbers and whether the information of new data it
Outside, the position letter for indicating each user equipment in their some shared PRB Pair (or certain several PRB Pair) is further included
Breath, than combining to be somebody's turn to do for the UE or which RE for the UE or which subcarrier if desired for which symbol of instruction
UE.DCI when transmission is shared in the C-RNTI scramblings that the UE may be used in base station (can increase the blind examination time of UE detections DCI at this time
Number), the new RNTI different from C-RNTI can also be used to scramble DCI when sharing transmission, base station needs sending use at this time
Before the scrambled DCI of new RNTI the new RNTI is told to UE by RRC signaling.
After UE receives the DCI of the shared scheduling PRB Pair of instruction, each UE is according to the PRB resources indicated in DCI
Specific location in location information and PRB Pair receives the signal on corresponding symbol, solves data.
For other each group user equipmenies, it is scheduled using above-mentioned identical dispatching method, the quantity of UE can in each group
To differ, such as 2 or 3.
Downlink dispatching method provided in an embodiment of the present invention, base station are one shared to different UE instructions by independent DCI
Or the scheduling information of multiple PRB Pair, location informations of each UE in shared PRB Pair is indicated in the DCI.UE
After the DCI is received, downlink data is solved from corresponding position.Compared with prior art, base station can pass through shared one
A or multiple PRB Pair transmit small data to multiple UE simultaneously, can make full use of transfer resource, improve the use effect of frequency spectrum
Rate.
It should be noted that when downlink data is less, base station is dispatched the multiple by the way of shared PRB Pair
User equipment；When downlink data is more, base station still uses existing way (granularity i.e. using PRB Pair as scheduling) scheduling
User equipment.
By both the above mode, base station can be realized dispatches each group user by the way of shared PRB Pair
Equipment.
The embodiment of the present invention also provides a kind of descending scheduling device 4, and described device 4 includes：
Scheduling unit 41, for dispatching each group user equipment by the way of shared PRB Pair, each group user sets
Quantity of the standby interior number of user equipment higher than shared PRB Pair.
Optionally, as shown in figure 5, described device 4 further includes：
Measuring unit 42, for measuring the downlink data of all user equipmenies in connected state in cell；
Grouped element 43, the user equipment for being less than first threshold to the size of downlink data are grouped, and each group is used
The total amount of this downlink data of family equipment is no more than the bearing capacity of the shared PRB Pair.
Optionally, as shown in fig. 6, the scheduling unit 41 includes：
First transmission sub-unit 411, for multiple user equipmenies in any one group of user equipment to be sent with RRC letters respectively
It enables, the RRC signaling carries the multiple user equipment and shares the instruction information of PRB Pair, the multiple user equipment respectively
The instruction information of location information and common RNTI in shared PRB Pair；
First receiving subelement 412 puts completion letter for receiving the RRC connection reconfigurations that the multiple user equipment is sent
It enables；
Second transmission sub-unit 413, for sending the DCI for scrambling the common RNTI to the multiple user equipment.
Optionally, each leisure of the multiple user equipment that the RRC signaling that first transmission sub-unit 411 is sent carries
Location information in shared PRB Pair includes：
The combination of subcarrier information, symbolic number or resource unit that different user devices occupy.
Descending scheduling device provided in an embodiment of the present invention indicates the UE in shared PRB by RRC signaling to different UE
Position is used, while after indicating that common RNTI, UE receive the DCI for scrambling the common RNTI in Pair, foundation
The position indicated in RRC signaling receives signal from the corresponding positions of PRB Pair, solves downlink data.Compared with prior art,
Small data can be transmitted to multiple UE simultaneously by shared one or more PRB Pair, transfer resource can be made full use of,
Improve the service efficiency of frequency spectrum.
Optionally, as shown in fig. 7, the scheduling unit 41 can also have other realization methods, including：
Third transmission sub-unit 414, for multiple user equipmenies in any one group of user equipment to be sent with RRC letters respectively
It enables, the RRC signaling carries the instruction information that the multiple user equipment shares PRB Pair；
Second receiving subelement 415 puts completion letter for receiving the RRC connection reconfigurations that the multiple user equipment is sent
It enables；
4th transmission sub-unit 416, for sending DCI respectively to the multiple user equipment, the DCI carries described more
Location information in each comfortable shared PRB Pair of a user equipment.
Optionally, the DCI that the 4th transmission sub-unit 416 is sent uses the new RNTI scramblings different from C-RNTI,
The new RNTI is transmitted by the RRC signaling that the third transmission sub-unit 414 is sent, and tells UE in advance.
Descending scheduling device provided in an embodiment of the present invention, it is one or more shared to different UE instructions by independent DCI
The scheduling information of a PRB Pair indicates location informations of each UE in shared PRB Pair in the DCI.UE is being received
To after the DCI, downlink data is solved from corresponding position.Compared with prior art, shared one or more can be passed through
PRB Pair transmit small data to multiple UE simultaneously, can make full use of transfer resource, improve the service efficiency of frequency spectrum.
The embodiment of the present invention also provides a kind of base station, and the base station includes above-mentioned descending 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 protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should 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 (13)
1. a kind of downlink dispatching method, which is characterized in that suitable for base station, including：
Dispatch each group user equipment by the way of shared PRB Pair, the number of user equipment in each group user equipment is high
In the quantity of shared PRB Pair.
2. according to the method described in claim 1, it is characterized in that, each group is dispatched by the way of shared PRB Pair described
Before user equipment, the method further includes：
Measure the downlink data of all user equipmenies in connected state in cell；
The user equipment for being less than first threshold to the size of downlink data is grouped, this downlink data of each group user equipment
Total amount is no more than the bearing capacity of the shared PRB Pair.
3. according to the method described in claim 1, it is characterized in that, described dispatch each group use by the way of shared PRB Pair
Family equipment includes：
Multiple user equipmenies in any one group of user equipment are sent with RRC signaling respectively, the RRC signaling carries the multiple
User equipment shares the position letter in each comfortable shared PRB Pair of the instruction information of PRB Pair, the multiple user equipment
The instruction information of breath and common RNTI；
It receives the RRC connection reconfigurations that the multiple user equipment is sent and puts and complete signaling；
The DCI for scrambling the common RNTI is sent to the multiple user equipment.
4. according to the method described in claim 3, it is characterized in that, each comfortable shared PRB Pair of the multiple user equipment
In location information include：
The combination of subcarrier information, symbolic number or resource unit that different user devices occupy.
5. according to the method described in claim 1, it is characterized in that, described dispatch each group use by the way of shared PRB Pair
Family equipment includes：
Multiple user equipmenies in any one group of user equipment are sent with RRC signaling respectively, the RRC signaling carries the multiple
User equipment shares the instruction information of PRB Pair；
It receives the RRC connection reconfigurations that the multiple user equipment is sent and puts and complete signaling；
DCI is sent respectively to the multiple user equipment, and the DCI carries each comfortable shared PRB of the multiple user equipment
Location information in Pair.
6. according to the method described in claim 5, it is characterized in that, the DCI uses the new RNTI different from C-RNTI to add
It disturbs, the new RNTI is transmitted by the RRC signaling.
7. a kind of descending scheduling device, which is characterized in that suitable for base station, including：
Scheduling unit, for dispatching each group user equipment by the way of shared PRB Pair, in each group user equipment
Number of user equipment is higher than the quantity of shared PRB Pair.
8. device according to claim 7, which is characterized in that described device further includes：
Measuring unit, for measuring the downlink data of all user equipmenies in connected state in cell；
Grouped element, the user equipment for being less than first threshold to the size of downlink data are grouped, each group user equipment
The total amount of this downlink data is no more than the bearing capacity of the shared PRB Pair.
9. device according to claim 7, which is characterized in that the scheduling unit includes：
First transmission sub-unit, it is described for sending RRC signaling respectively to multiple user equipmenies in any one group of user equipment
It is each comfortable shared that the multiple user equipment of RRC signaling carrying shares the instruction information of PRB Pair, the multiple user equipment
PRB Pair in location information and common RNTI instruction information；
First receiving subelement, the RRC connection reconfigurations for receiving the multiple user equipment transmission, which are put, completes signaling；
Second transmission sub-unit, for sending the DCI for scrambling the common RNTI to the multiple user equipment.
10. device according to claim 9, which is characterized in that the RRC signaling that first transmission sub-unit is sent carries
Each comfortable shared PRB Pair of the multiple user equipment in location information include：
The combination of subcarrier information, symbolic number or resource unit that different user devices occupy.
11. device according to claim 7, which is characterized in that the scheduling unit includes：
Third transmission sub-unit, it is described for sending RRC signaling respectively to multiple user equipmenies in any one group of user equipment
RRC signaling carries the instruction information that the multiple user equipment shares PRB Pair；
Second receiving subelement, the RRC connection reconfigurations for receiving the multiple user equipment transmission, which are put, completes signaling；
4th transmission sub-unit, for sending DCI respectively to the multiple user equipment, the DCI carries the multiple user
Location information in each comfortable shared PRB Pair of equipment.
12. according to the devices described in claim 11, which is characterized in that the DCI that the 4th transmission sub-unit is sent is not using
The new RNTI scramblings of C-RNTI are same as, the new RNTI is transmitted by the RRC signaling that the third transmission sub-unit is sent.
13. a kind of base station, which is characterized in that the base station includes the descending scheduling as described in any one of claim 7 to 12
Device.
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| CN201611192179.0A CN108235340B (en) | 2016-12-21 | 2016-12-21 | Downlink scheduling method, device and base station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950042A (en) * | 2020-07-17 | 2022-01-18 | 维沃移动通信有限公司 | Identification method, sending method and related equipment |
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| CN108235340B (en) | 2021-08-20 |
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