CN110049569A - A kind of method and system for distributing SRS resource according to QoS - Google Patents
A kind of method and system for distributing SRS resource according to QoS Download PDFInfo
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- CN110049569A CN110049569A CN201910360501.3A CN201910360501A CN110049569A CN 110049569 A CN110049569 A CN 110049569A CN 201910360501 A CN201910360501 A CN 201910360501A CN 110049569 A CN110049569 A CN 110049569A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of method and system that SRS resource is distributed according to QoS, this method comprises: when UE establishes default bearing, the first configuration parameter of SRS resource is configured according to pre-set first assignment period for base station；Base station obtains the required uplink QoS of business on each dedicated bearer when UE establishes dedicated bearer, and counts all uplink QoS and obtain the QoS total demand of UE；Base station calculates the second assignment period of SRS resource according to QoS total demand；Base station configures the second configuration parameter of SRS resource according to the second assignment period, and the first configuration parameter or the second configuration parameter are handed down to UE by the RRC information sent to UE；UE calculates the position of SRS resource according to the first configuration parameter or the second configuration parameter, and sends SRS by the SRS resource of the position.The present invention can be according to QoS reasonable distribution SRS resource.
Description
Technical field
The present invention relates to wireless communication technology fields, more particularly to a kind of method according to QoS distribution SRS resource and are
System.
Background technique
In existing LTE communication system, cell is to UE (User Equipment, user equipment) points in connection status
With SRS (SoundingReferenceSignal, detection reference signal) resource, for measuring the uplink signal-channel quality of UE.
SRS resource distribution was carried out according to the period, and the period is shorter, and UE is more accurate to the measurement for channel of eating dishes without rice or wine, needed for the UE
The SRS resource wanted is also more；Otherwise the period is longer, and SRS resource required for the UE is fewer, the up channel matter of base station measurement
Amount does not have real-time more yet.
The strategy of existing SRS resource distribution is a series of thresholding to be arranged according to on-line UE number in cell, and SRS is provided
The assignment period in source is associated with these thresholdings.In brief, the assignment period of SRS resource, with the increasing of on-line UE number in cell
Add and increase, realizes the balance between the measurement of UE downlink and cell specification in this way.But will lead to type of service in this way needs
Want downlink measurement that can not obtain enough SRS resources than more frequently UE, and to need downlink to measure fewer for type of service
UE but obtains extra SRS resource.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of method and system that SRS resource is distributed according to QoS, can
According to QoS reasonable distribution SRS resource.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of according to QoS distribution SRS
The method of resource, comprising: S1: when UE establishes default bearing, the base station is according to pre-set first assignment period for base station
The first configuration parameter of SRS resource is configured, and first configuration parameter is handed down to UE by the RRC information sent to UE；
S2: the base station obtains the required uplink QoS of business on each dedicated bearer when UE establishes dedicated bearer, and counts
All uplink QoS obtain the QoS total demand of the UE；S3: the base station calculates SRS resource according to the QoS total demand
The second assignment period, wherein the QoS total demand is bigger, and the second assignment period is shorter, and the QoS total demand is smaller,
Second assignment period is longer；S4: the base station configures the second configuration parameter of SRS resource according to second assignment period, and
Second configuration parameter is handed down to UE by the RRC information sent to UE；S5: the UE according to first configuration parameter
Or second configuration parameter calculate the position of SRS resource, and SRS is sent by the SRS resource of the position.
Preferably, the variation of the dedicated bearer of UE described in the base station real-time monitoring；If the UE create dedicated bearer,
The uplink QoS of existing dedicated bearer or the existing dedicated bearer of adjustment is deleted, the base station counts all uplink QoS again
Obtain the QoS total demand of the UE.
Preferably, the step of base station calculates the second assignment period of SRS resource according to the QoS total demand is specific
Are as follows: the base station calculates the second distribution week of SRS resource according to the QoS total demand according to the configuration form pre-established
Phase.
Preferably, the method also includes: the base stations according to the matching feelings of the specific data of base station transmission and QoS demand
Condition is updated configuration form.
In order to solve the above technical problems, another technical solution used in the present invention is: providing and a kind of distributed according to QoS
The system of SRS resource, including base station and UE, the base station include qos statistic module, assignment period computing module and configuration parameter
Computing module；The qos statistic module, for obtaining needed for the business on each dedicated bearer when UE establishes dedicated bearer
The uplink QoS asked, and count all uplink QoS and obtain the QoS total demand of the UE；The assignment period computing module is used
In the second assignment period for calculating SRS resource according to the QoS total demand, wherein the QoS total demand is bigger, and second
Assignment period is shorter, and the QoS total demand is smaller, and the second assignment period is longer；The configuration parameter computing module is used for
When UE establishes default bearing, according to the first configuration parameter of pre-set first assignment period configuration SRS resource, or according to
Second configuration parameter of the second assignment period configuration SRS resource, and first configuration parameter or the second configuration are joined
Number is handed down to UE by the RRC information sent to UE；The UE, for according to first configuration parameter or the second configuration parameter
The position of SRS resource is calculated, and SRS is sent by the SRS resource of the position.
Preferably, the base station further includes monitoring modular: the monitoring modular is held for the dedicated of UE described in real-time monitoring
The variation of load；The qos statistic module is also used to create dedicated bearer, the existing dedicated bearer of deletion or adjustment in the UE
When the uplink QoS of existing dedicated bearer, all uplink QoS are counted again and obtain the QoS total demand of the UE.
Preferably, the assignment period computing module is specifically used for according to the configuration form pre-established, according to the QoS
Second assignment period of total demand calculating SRS resource.
Preferably, the assignment period computing module is also used to transmit with QoS demand according to the specific data of base station
Configuration form is updated with situation.
It is in contrast to the prior art, the beneficial effects of the present invention are: being that UE distributes SRS money by the business for UE
Source, business need out-hole run than more frequently UE, it will more SRS resource is obtained, to measure uplink signal-channel quality,
The UE that business needs out-hole run fewer, it will fewer SRS resource is obtained, so as to according to QoS reasonable distribution SRS
Making full use of for SRS resource may be implemented in resource.
Detailed description of the invention
Fig. 1 is the flow diagram for the method that the embodiment of the present invention distributes SRS resource according to QoS.
Fig. 2 is the configuration diagram for the system that the embodiment of the present invention distributes SRS resource according to QoS.
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 method for distributing SRS resource according to QoS of the embodiment of the present invention includes:
S1: when user equipment (UE) establishes default bearing, base station is configured according to pre-set first assignment period for base station
First configuration parameter of SRS resource, and the first configuration parameter is handed down to by the radio resource control RRC message sent to UE
UE。
Wherein, default bearing be when attachment is completed in UE and base station, if without other data transmissions, system oneself
The radio bearer established.When UE has low volume data transmission, can just directly it be transmitted on default bearing.UE at this time
Need out-hole run fewer, thus the first assignment period can be with a bigger period.
S2: base station obtains the required uplink QoS of business on each dedicated bearer when UE establishes dedicated bearer, and
It counts all uplink QoS and obtains the QoS total demand of UE.
Wherein, for base station, the UE for establishing Radio Link therewith is on-line UE.Uplink QoS can embody service class
Uplink transmission rate required for type, and uplink QoS is bigger, uplink transmission rate is bigger, and QoS total demand is all uplinks
The summation of QoS.
S3: base station calculates the second assignment period of SRS resource according to QoS total demand, wherein and QoS total demand is bigger,
Second assignment period is shorter, and QoS total demand is smaller, and the second assignment period is longer.
Wherein, base station determines uplink overall transmission rate according to QoS total demand, further according to uplink overall transmission rate meter
Calculate the second assignment period of SRS resource.Period assignment of second assignment period as UE, can specify the PUCCH resource of UE
Distribution.
S4: base station configures the second configuration parameter of SRS resource according to the second assignment period, and the second configuration parameter is passed through
The RRC information sent to UE is handed down to UE.
Wherein, RRC information is used to indicate UE and carries out RRC (Radio Resource Control, wireless heterogeneous networks) even
Reconfiguration course is connect, base station can send corresponding configuration parameter to distribute SRS resource for UE in RRC information.
S5:UE calculates the position of SRS resource according to the first configuration parameter or the second configuration parameter, and passes through the position
SRS resource sends SRS.
Wherein, UE can extrapolate the position of SRS resource according to the first configuration parameter or the second configuration parameter, due to base station
Have determined the assignment period of the SRS resource of the position, therefore UE can be fed back in SRS resource by the position.
In the present embodiment, this method further include: the variation of the dedicated bearer of base station real-time monitoring UE；If UE is newly-built special
With the uplink QoS for carrying, deleting existing dedicated bearer or the existing dedicated bearer of adjustment, base station counts all uplinks again
QoS obtains the QoS total demand of UE.
In the present embodiment, the step of base station calculates the second assignment period of SRS resource according to QoS total demand is specific
Are as follows: base station calculates the second assignment period of SRS resource according to QoS total demand according to the configuration form pre-established.Allocation list
The corresponding relationship of different QoS total demand Yu the second assignment period is had recorded in lattice.Further, this method further includes: base station
Configuration form is updated according to the transmission of the specific data of base station and the match condition of QoS demand, so as to be subsequent SRS
Resource allocation offer more accurately refers to.
Referring to Fig.2, the system for distributing SRS resource according to QoS of the embodiment of the present invention includes base station 10 and UE20, base station 10
Including qos statistic module 11, assignment period computing module 12 and configuration parameter computing module 13；
Qos statistic module 11, for when UE establishes dedicated bearer, the business obtained on each dedicated bearer to be required
Uplink QoS, and count all uplink QoS and obtain the QoS total demand of UE.Wherein, it for base station 10, establishes therewith wireless
The UE20 of link is on-line UE.Uplink QoS index can embody uplink transmission rate required for business, and uplink QoS is bigger,
Uplink transmission rate is bigger, and QoS total demand is the summation of all uplink QoS.
Assignment period computing module 12, for calculating the second assignment period of SRS resource according to QoS total demand, wherein
QoS total demand is bigger, and the second assignment period is shorter, and QoS total demand is smaller, and the second assignment period is longer.Wherein, distribution week
Phase computing module 12 determines uplink overall transmission rate according to QoS total demand, calculates SRS further according to uplink overall transmission rate
Second assignment period of resource.
Configuration parameter computing module 13, for distributing week according to pre-set first when UE20 establishes default bearing
Phase configures the first configuration parameter of SRS resource, or the second configuration parameter of SRS resource is configured according to the second assignment period, and
First configuration parameter or the second configuration parameter are handed down to UE20 by the RRC information sent to UE20.Wherein, default bearing
Be when attachment is completed in UE and base station, if without other data transmissions, a radio bearer that system oneself is established.When
When UE has low volume data transmission, can just directly it be transmitted on default bearing.UE needs out-hole run fewer at this time, because
And the first assignment period can be with a bigger period.RRC information is used to indicate UE progress RRC connection reconfiguration and sets process, matches
Setting parameter calculating module 13 can send corresponding configuration parameter to distribute SRS resource for UE20 in RRC information.
UE20 for calculating the position of SRS resource according to the first configuration parameter or the second configuration parameter, and passes through the position
The SRS resource set sends SRS.
In the present embodiment, base station 10 further includes monitoring modular 14.Monitoring modular 14 is dedicated for real-time monitoring UE20's
The variation of carrying；Qos statistic module 11 is also used to create dedicated bearer, the existing dedicated bearer of deletion or adjustment in UE20
When the uplink QoS of some dedicated bearers, all uplink QoS are counted again and obtain the QoS total demand of UE20.
In the present embodiment, assignment period computing module 12 is specifically used for according to the configuration form pre-established, according to QoS
Second assignment period of total demand calculating SRS resource.Further, assignment period computing module 12 is also used to according to base station
Specific data transmission and the match condition of QoS demand are updated configuration form, so as to mention for the distribution of subsequent SRS resource
For more accurately referring to.
By the above-mentioned means, the method and system for distributing SRS resource according to QoS of the embodiment of the present invention pass through for UE's
Business is that UE distributes SRS resource, and business needs out-hole run than more frequently UE, it will more SRS resource is obtained, to
Measure uplink signal-channel quality, the UE that business needs out-hole run fewer, it will fewer SRS resource is obtained, so as to
According to QoS reasonable distribution SRS resource, making full use of for SRS resource may be implemented.
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 (8)
1. a kind of method for distributing SRS resource according to QoS characterized by comprising
S1: when user equipment (UE) establishes default bearing, the base station is configured according to pre-set first assignment period for base station
First configuration parameter of SRS resource, and first configuration parameter is passed through under the radio resource control RRC message that sends to UE
Issue UE；
S2: the base station obtains the required upstream service matter of business on each dedicated bearer when UE establishes dedicated bearer
QoS is measured, and counts all uplink QoS and obtains the QoS total demand of the UE；
S3: the base station calculates the second assignment period of detection reference signal SRS resource according to the QoS total demand, wherein
The QoS total demand is bigger, and the second assignment period is shorter, and the QoS total demand is smaller, and the second assignment period is longer；
S4: the base station configures the second configuration parameter of SRS resource according to second assignment period, and described second is configured
Parameter is handed down to UE by the RRC information sent to UE；
S5: the UE calculates the position of SRS resource according to first configuration parameter or the second configuration parameter, and passes through the position
The SRS resource set sends SRS.
2. the method according to claim 1 for distributing SRS resource according to QoS, which is characterized in that the method also includes:
The variation of the dedicated bearer of UE described in the base station real-time monitoring；
If the UE creates dedicated bearer, deletes existing dedicated bearer or the uplink QoS of the existing dedicated bearer of adjustment,
The base station counts all uplink QoS again and obtains the QoS total demand of the UE.
3. the method according to claim 1 for distributing SRS resource according to QoS, which is characterized in that the base station is according to
QoS total demand calculates the step of the second assignment period of SRS resource specifically:
The base station calculates the second distribution week of SRS resource according to the QoS total demand according to the configuration form pre-established
Phase.
4. the method according to claim 3 for distributing SRS resource according to QoS, which is characterized in that the method also includes:
It is transmitted according to the specific data of base station and configuration form is updated with the match condition of QoS demand in the base station.
5. a kind of system for distributing SRS resource according to QoS, which is characterized in that including base station and UE, the base station includes QoS system
Count module, assignment period computing module and configuration parameter computing module；
The qos statistic module, for when UE establishes dedicated bearer, obtain the business on each dedicated bearer it is required on
Row QoS, and count all uplink QoS and obtain the QoS total demand of the UE；
The assignment period computing module, for calculating the second assignment period of SRS resource according to the QoS total demand,
In, the QoS total demand is bigger, and the second assignment period is shorter, and the QoS total demand is smaller, and the second assignment period is longer；
The configuration parameter computing module, for being matched according to pre-set first assignment period when UE establishes default bearing
The first configuration parameter of SRS resource is set, or configures the second configuration parameter of SRS resource according to second assignment period, and
First configuration parameter or the second configuration parameter are handed down to UE by the RRC information sent to UE；
The UE for calculating the position of SRS resource according to second configuration parameter, and passes through the SRS resource of the position
Send SRS.
6. the system according to claim 1 for distributing SRS resource according to QoS, which is characterized in that the base station further includes prison
Survey module:
Variation of the monitoring modular for the dedicated bearer of UE described in real-time monitoring；
The qos statistic module is also used to create dedicated bearer, the existing dedicated bearer of deletion or adjustment in the UE existing
Dedicated bearer uplink QoS when, count all uplink QoS again and obtain the QoS total demand of the UE.
7. the method according to claim 1 for distributing SRS resource according to QoS, which is characterized in that the assignment period calculates
Module is specifically used for calculating the second distribution week of SRS resource according to the QoS total demand according to the configuration form pre-established
Phase.
8. the method according to claim 7 for distributing SRS resource according to QoS, which is characterized in that the assignment period calculates
Module is also used to be transmitted according to the specific data of base station and be updated with the match condition of QoS demand to configuration form.
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