CN110213831A - A kind of dispatching method and system in combination SRS period - Google Patents
A kind of dispatching method and system in combination SRS period Download PDFInfo
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- CN110213831A CN110213831A CN201910456055.6A CN201910456055A CN110213831A CN 110213831 A CN110213831 A CN 110213831A CN 201910456055 A CN201910456055 A CN 201910456055A CN 110213831 A CN110213831 A CN 110213831A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 14
- 235000021186 dishes Nutrition 0.000 abstract description 14
- 235000009566 rice Nutrition 0.000 abstract description 14
- 238000001228 spectrum Methods 0.000 abstract description 7
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 13
- 238000013475 authorization Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
-
- 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
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
Abstract
The invention discloses the dispatching methods and system in a kind of combination SRS period, this method comprises: in SRS period of the base station according to UE, configure the uplink scheduling period of the UE, wherein the uplink scheduling period is identical as the SRS period, and the uplink scheduling period lags behind the SRS period；Base station is measuring the UE in the SRS signal in current SRS period, and the data volume for needing to be scheduled in each uplink scheduling period is calculated according to uplink QoS；Base station executes the uplink scheduling of the UE in the current uplink scheduling period for lagging the current SRS period, until completing the scheduling of data volume；Wherein, the time in lag SRS period in uplink scheduling period, is minimum time necessary to base station measurement SRS signal, chronomere is subframe, and the uplink scheduling period includes multiple subframes.The present invention frequency spectrum resource that enables to eat dishes without rice or wine is made full use of.
Description
Technical field
The present invention relates to wireless communication technology fields, more particularly to the dispatching method and system in a kind of combination SRS period.
Background technique
In existing LTE communication system, UE (User Equipment, user equipment) passes through periodicity sending SRS signal
It is measured parameters, base stations such as the channel qualities that measures up channel to the SRS signal that it sends.
Base station according to the QoS (Quality of Service, service quality) of UE and is surveyed when carrying out uplink scheduling authorization
The SRS signal of amount carries out uplink scheduling authorization to UE.Although there is no problem for this authorization, maximum spy is wirelessly communicated
Point is: at every moment all there is variation in the channel quality of wireless channel, and is not available channel currently in use forever and carries out
Transmission.Although but fortunately frequently, there is correlation, the time is more close, channel in the channel quality variation of wireless channel always
Mass change is also just smaller.Therefore, in a period of time after channel measurement, it is effective that measurement result, which still believes that,.
However, existing uplink scheduling authorization mode of eating dishes without rice or wine only considers the demand of QoS, the SRS signal that UE is sent is not considered
Accuracy, do not account for the sending cycle of SRS signal, cause channel using the time and channel measurement time deviation it is bigger,
In the biggish situation of deviation ratio, if actual channel quality is better than measurement result, throughput decline of eating dishes without rice or wine, such as fruit will lead to
Border channel quality is lower than measurement result, then will appear re-transmission, also results in throughput decline of eating dishes without rice or wine.
Summary of the invention
The invention mainly solves the technical problem of providing the dispatching methods and system in a kind of combination SRS period, can make
The frequency spectrum resource that must eat dishes without rice or wine is made full use of.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of tune in combination SRS period is provided
Spend method and system, comprising: base station configures the uplink scheduling period of the UE according to the SRS period of UE, wherein the uplink tune
It is identical as the SRS period to spend the period, and the uplink scheduling period lags behind the SRS period；The base station is measuring the UE in current SRS
When the SRS signal in period, the data volume for needing to be scheduled in each uplink scheduling period is calculated according to uplink QoS；The base
It stands and executes the uplink scheduling of the UE in the current uplink scheduling period for lagging the current SRS period, until completing the scheduling of data volume；
Wherein, the time in the lag SRS period in uplink scheduling period, is minimum time necessary to base station measurement SRS signal, time
Unit is subframe, and the uplink scheduling period includes multiple subframes.
Preferably, the SRS period is consistent with the uplink QoS of the UE.
Preferably, the subframe that the base station starts to execute scheduling is that the last one measures the next of the subframe of SRS signal
Subframe.
Preferably, the base station is after the current uplink scheduling period reaches, at one of the starting of current uplink scheduling period
Or multiple subframes complete whole scheduling of the data volume.
Preferably, the dispatching method further include: if the base station do not completed in the current uplink scheduling period it is described
Whole scheduling of data volume, the data volume that the current uplink scheduling period does not complete scheduling was included under the current uplink scheduling period
One uplink scheduling period needed the data volume being scheduled.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of combination SRS period
Scheduling system, including base station and UE, the base station include scheduling configuration module, scheduling computing module and scheduling execution module: institute
Scheduling configuration module is stated, for the SRS period according to UE, configures the uplink scheduling period of the UE, wherein the uplink scheduling week
Phase is identical as the SRS period, and the uplink scheduling period lags behind the SRS period；The scheduling computing module, for complete in base station measurement
The UE is calculated according to uplink QoS in the SRS signal in current SRS period and to be needed to be scheduled in each uplink scheduling period
Data volume；The scheduling execution module, for executing the uplink of the UE in the current uplink scheduling period for lagging the current SRS period
Scheduling, until completing the scheduling of data volume；Wherein, the time in the lag SRS period in uplink scheduling period, is base station measurement
Minimum time necessary to SRS signal, chronomere are subframe, and the uplink scheduling period includes multiple subframes；The UE is used for
SRS signal is sent according to the SRS period in SRS resource.
Preferably, the SRS period is consistent with the uplink QoS of the UE.
Preferably, the subframe that the base station starts to execute scheduling is that the last one measures the next of the subframe of SRS signal
Subframe.
Preferably, the scheduling execution module is specifically used for after the current uplink scheduling period reaches, in current uplink tune
The one or more subframes for spending period starting complete whole scheduling of the data volume.
Preferably, the scheduling computing module is also used to not complete the complete of the data volume in the current uplink scheduling period
The data volume that the current uplink scheduling period does not complete scheduling is included in next uplink scheduling in current uplink scheduling period by ministry dispatching
Period needs the data volume being scheduled.
It is in contrast to the prior art, the beneficial effects of the present invention are: the channel quality of eating dishes without rice or wine that scheduling uses connects very much
The channel quality of eating dishes without rice or wine of nearly actual transmissions, so that frequency spectrum support of eating dishes without rice or wine is made full use of, so that frequency spectrum money of eating dishes without rice or wine
Source is made full use of, and can farthest avoid eating dishes without rice or wine to retransmit, and promotes user experience.
Detailed description of the invention
Fig. 1 is the flow diagram of the dispatching method in combination SRS period of the embodiment of the present invention.
Fig. 2 is the time diagram in uplink scheduling period and SRS period in method shown in FIG. 1.
Fig. 3 is the configuration diagram of the scheduling system in combination SRS period of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refering to fig. 1, the dispatching method in the combination SRS period of the embodiment of the present invention includes:
S1: base station configures the uplink scheduling period of the UE, wherein uplink scheduling period and SRS according to the SRS period of UE
Period is identical, and the uplink scheduling period lags behind the SRS period.
Wherein, RRC information is used to indicate UE and carries out RRC (Radio Resource Control, wireless heterogeneous networks) even
Connect reconfiguration course, base station can send corresponding configuration parameter in RRC information and distribute SRS resource for UE, and UE can be
SRS signal is sent according to the SRS period in SRS resource.
As shown in Fig. 2, the uplink scheduling period is identical with the SRS period, the period of the two is T.
In the present embodiment, the SRS period is consistent with the uplink QoS of the UE.Specifically, can be achieved by the prior art
The SRS period is consistent with the uplink QoS demand of the UE, that is to say, that the SRS period is to realize by the prior art and the QoS of UE joins
Number is associated.
S2: base station is measuring the UE in the SRS signal in current SRS period, calculates each uplink tune according to uplink QoS
Spend the data volume for needing to be scheduled in the period.
Wherein, for base station, the UE for establishing Radio Link therewith is on-line UE, can obtain uplink by Radio Link
QoS.Uplink QoS can embody uplink transmission rate required for type of service, and uplink QoS is bigger, and uplink transmission rate is got over
Greatly.
S3: base station executes the uplink scheduling of the UE in the current uplink scheduling period for lagging the current SRS period, until completing
The scheduling of data volume.
Wherein, the time in lag SRS period in uplink scheduling period is minimum time necessary to base station measurement SRS signal,
Chronomere is subframe, and the uplink scheduling period includes multiple subframes.As shown in Fig. 2, the uplink scheduling period includes multiple subframes
TTI.Since the current uplink scheduling period is in time close to current SRS period, thus, the channel matter for the up channel that UE is used
Measure the channel quality that very close base station saves, it can be ensured that uplink scheduling measures complete in the most effective time in up channel
At the consistency of promotion uplink scheduling authorization and up channel measurement, so that frequency spectrum resource of eating dishes without rice or wine obtains sufficiently benefit
With.
In the present embodiment, the subframe that base station starts to execute scheduling is that the last one measures the next of the subframe of SRS signal
The subframe of a uplink scheduling.That is, the uplink scheduling period starting subframe of UE is located at the last one measurement in SRS period
After the subframe of SRS signal.
Further, base station the current uplink scheduling period reach after, the current uplink scheduling period starting one or
Multiple subframes complete whole scheduling of data volume.
In view of due to some, failing the scheduling of completion total data amount in the current uplink scheduling period, in order to complete
Help ministry dispatching, in the present embodiment, dispatching method further include: if data are not completed in the current uplink scheduling period in base station
Whole scheduling of amount, by the data volume that the current uplink scheduling period does not complete scheduling be included in the current uplink scheduling period it is next on
Row dispatching cycle needs the data volume being scheduled.
Referring to Fig.2, the scheduling system in the combination SRS period of the embodiment of the present invention includes base station 10 and UE20, base station 10 is wrapped
Include scheduling configuration module 11, scheduling computing module 12 and scheduling execution module 13:
Configuration module 11 is dispatched for the SRS period according to UE20, configures the uplink scheduling period of the UE20, wherein on
Row dispatching cycle is identical as the SRS period, and the uplink scheduling period lags behind the SRS period.In the present embodiment, the SRS period and should
The uplink QoS of UE is consistent.Specifically, it is consistent with the uplink QoS demand of the UE to be achieved by the prior art the SRS period,
That is the SRS period is to realize by the prior art and the qos parameter of UE is associated.
Computing module 12 is dispatched to be used in the complete UE20 of base station measurement in the SRS signal in current SRS period, according to uplink
QoS calculates the data volume for needing to be scheduled in each uplink scheduling period.Wherein, for base station 10, nothing is established therewith
The UE20 of wired link is on-line UE, can obtain uplink QoS by Radio Link.Uplink QoS can embody required for type of service
Uplink transmission rate, and uplink QoS is bigger, and uplink transmission rate is bigger.
Scheduling execution module 13 is used to execute the uplink of the UE20 in the current uplink scheduling period for lagging the current SRS period
Scheduling, until completing the scheduling of data volume.Wherein, the time in lag SRS period in uplink scheduling period measures SRS for base station 10
Minimum time necessary to signal, chronomere are subframe, and the uplink scheduling period includes multiple subframes.Due to current uplink scheduling
Period in time close to the current SRS period, thus, the channel quality for the up channel that UE20 is used is saved very close to base station
Channel quality, it can be ensured that uplink scheduling is completed in up channel measures most effective time, promotes uplink scheduling authorization
The consistency measured with up channel, so that frequency spectrum resource of eating dishes without rice or wine is made full use of.
UE20 is for sending SRS signal according to the SRS period in SRS resource.Wherein, RRC information be used to indicate UE20 into
Row RRC (Radio Resource Control, wireless heterogeneous networks) connection reconfiguration sets process, and base station 10 can be in RRC information
Middle that corresponding configuration parameter is sent to distribute SRS resource for UE20, UE20 can send SRS according to the SRS period in SRS resource
Signal.
In the present embodiment, the subframe that base station 10 starts to execute scheduling is under the subframe that the last one measures SRS signal
One subframe.That is, the uplink scheduling period starting subframe of UE20 is located at the last one measurement SRS signal in SRS period
Subframe after.
Further, scheduling execution module 13 is specifically used for after the current uplink scheduling period reaches, in current uplink tune
The one or more subframes for spending period starting complete whole scheduling of the data volume.
In view of due to some, failing the scheduling of completion total data amount in the current uplink scheduling period, in order to complete
Ministry dispatching is helped, in the present embodiment, scheduling computing module 12 is also used to not complete data volume in the current uplink scheduling period
Whole scheduling, the data volume that the current uplink scheduling period does not complete scheduling is included in next uplink in current uplink scheduling period
Dispatching cycle needs the data volume being scheduled.
By the above-mentioned means, the dispatching method and system in the combination SRS period of the embodiment of the present invention enable to frequency of eating dishes without rice or wine
Spectrum resource is made full use of, and can farthest avoid eating dishes without rice or wine to retransmit, and promotes user experience.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of dispatching method and system in combination SRS period characterized by comprising
Base station configures the uplink scheduling period of the UE according to the SRS period of UE, wherein the uplink scheduling period and SRS period
It is identical, and the uplink scheduling period lags behind the SRS period；
The base station is measuring the UE in the SRS signal in current SRS period, calculates each uplink scheduling according to uplink QoS
The data volume for needing to be scheduled in period；
The base station executes the uplink scheduling of the UE in the current uplink scheduling period for lagging the current SRS period, until completing number
According to the scheduling of amount；
Wherein, the time in the lag SRS period in uplink scheduling period, is minimum time necessary to base station measurement SRS signal,
Chronomere is subframe, and the uplink scheduling period includes multiple subframes.
2. dispatching method according to claim 1, which is characterized in that the SRS period is consistent with the uplink QoS of the UE.
3. dispatching method according to claim 2, which is characterized in that the base station starts to execute the subframe of scheduling to be last
The subframe of next uplink scheduling of the subframe of one measurement SRS signal.
4. dispatching method according to claim 1, which is characterized in that the base station reaches in the current uplink scheduling period
Afterwards, whole scheduling of the data volume are completed in one or more subframes of starting of current uplink scheduling period.
5. dispatching method according to claim 1, which is characterized in that the dispatching method further include:
If the base station does not complete whole scheduling of the data volume in the current uplink scheduling period, by current uplink scheduling
The data volume that period does not complete scheduling is included in the number for next uplink scheduling period in current uplink scheduling period needing to be scheduled
According to amount.
6. a kind of scheduling system in combination SRS period, which is characterized in that including base station and UE, the base station includes scheduling configuration
Module, scheduling computing module and scheduling execution module:
The scheduling configuration module configures the uplink scheduling period of the UE, wherein the uplink for the SRS period according to UE
Dispatching cycle is identical as the SRS period, and the uplink scheduling period lags behind the SRS period；
The scheduling computing module, in the complete UE of base station measurement in the SRS signal in current SRS period, according to uplink QoS
Calculate the data volume for needing to be scheduled in each uplink scheduling period；
The scheduling execution module, for executing the uplink tune of the UE in the current uplink scheduling period for lagging the current SRS period
Degree, until completing the scheduling of data volume；
Wherein, the time in the lag SRS period in uplink scheduling period, is minimum time necessary to base station measurement SRS signal,
Chronomere is subframe, and the uplink scheduling period includes multiple subframes；
The UE, for sending SRS signal according to the SRS period in SRS resource.
7. scheduling system according to claim 6, which is characterized in that the SRS period is consistent with the uplink QoS of the UE.
8. scheduling system according to claim 7, which is characterized in that the base station starts to execute the subframe of scheduling to be last
Next subframe of the subframe of one measurement SRS signal.
9. scheduling system according to claim 6, which is characterized in that the scheduling execution module is specifically used on current
After row dispatching cycle reaches, the whole of the data volume are completed in one or more subframes of starting of current uplink scheduling period and are adjusted
Degree.
10. scheduling system according to claim 6, which is characterized in that the scheduling computing module is also used on current
Row does not complete whole scheduling of the data volume dispatching cycle, and the current uplink scheduling period is not completed to the data volume of scheduling
Enter the data volume that the needs of next uplink scheduling period in current uplink scheduling period are scheduled.
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| CN110213831B (en) | 2022-05-24 |
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