CN108235400A - A kind of dispatching method and base station - Google Patents
A kind of dispatching method and base station Download PDFInfo
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- CN108235400A CN108235400A CN201611140469.0A CN201611140469A CN108235400A CN 108235400 A CN108235400 A CN 108235400A CN 201611140469 A CN201611140469 A CN 201611140469A CN 108235400 A CN108235400 A CN 108235400A
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- base station
- user
- ascending resource
- interference
- scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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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
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
-
- 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
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- 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
Abstract
The embodiment of the invention discloses a kind of dispatching method and base stations.The method includes：Base station obtains the fisrt feature parameter for surveying characterization uplink interference；When the fisrt feature parameter is more than first threshold, controls and interference is switched to by normal condition evade state；In the case where state is evaded in the interference, the scheduling request that whether there is user in the first particular bearer is monitored；When, there are during the scheduling request of user, determining the ascending resource of the scheduling request in first particular bearer, the ascending resource being sent to other base stations in addition to the base station, so that other described base stations, which are evaded, uses the ascending resource.
Description
Technical field
The present invention relates to wireless communication techniques, and in particular to a kind of dispatching method and base station.
Background technology
During speech business (VoLTE, Voice over LTE) based on IMS is exhaled, due to interference problem, exist
Exhale the possibility of failure.The solution of the prior art is to utilize silent redial functions, upstream terminal (MO, Mobile
Original the 100trying feedback messages for Invite message) were not received more than 6 seconds after Invite message is sent
When or MO in 6 seconds without completing to QCI (QoS Class Identifier) when establishing of 1 special feature, send ESR
(Extended Service Request) message trigger circuit domain dropping (CSFB, Circuit Switched Fallback),
The calling of circuit switching (CS, Circuit Switched) domain is re-initiated after falling after rise to 2G.
But although silent redial functions can solve rising before 1 special features of QCI are established and exhale failure problem, the mistake
Cheng Shiyan longer, after MO terminal dialings, 6 seconds without the response time and then transfer triggering CSFB processes, through long term evolution
(LTE, Long Term Evolution) now net actual measurement, the process of CSFB need to could rise after 7 seconds namely about 13 seconds in 2G CS domains
It exhales；Also, silent redial functions reduce VoLTE terminals and exhale rate, while need terminal applies (AP) layer just in rising for 4G
Service condition is called with communication process (CP) layer with regard to IMS and network resident state interacts, and is likely to realize.
Invention content
To solve existing technical problem, an embodiment of the present invention provides a kind of dispatching method and base stations.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in：
An embodiment of the present invention provides a kind of dispatching method, the method includes：
Base station obtains the fisrt feature parameter for surveying characterization uplink interference；
When the fisrt feature parameter is more than first threshold, controls and interference is switched to by normal condition evade state；
In the case where state is evaded in the interference, the scheduling request that whether there is user in the first particular bearer is monitored；
When, there are during the scheduling request of user, determining the ascending resource of the scheduling request in first particular bearer,
The ascending resource is sent to other base stations in addition to the base station, so that other described base stations, which are evaded, uses the uplink
Resource.
In said program, the method further includes：There are the data of the user on the second particular bearer is not monitored
During transmission, the ascending resource of the scheduling request is determined again, the ascending resource is sent to its in addition to the base station
His base station, so that other described base stations, which are evaded, uses the ascending resource.
In said program, the method further includes：When evading state in the interference and get the fisrt feature
When parameter is not more than the first threshold, controls and evaded state by the interference and switched to the normal condition.
It is described to monitor to determine the scheduling there are during the scheduling request of user in the first particular bearer in said program
The ascending resource is sent to other base stations in addition to the base station by the ascending resource of request, including：
It monitors that it is presetting to carry out uplink to the scheduling request there are during the scheduling request of user in the first particular bearer
Degree determines the ascending resource of the carrying out uplink pre-scheduling；The ascending resource is sent to except institute in the first preset time range
State other base stations other than base station；
Using the first particular bearer described in the ascending resource scheduling of the carrying out uplink pre-scheduling in the second preset time range
The data of the upper user；
Wherein, first particular bearer is the carrying for needing to enhance.
In said program, second particular bearer is not need to the carrying of enhancing.
The embodiment of the present invention additionally provides a kind of base station, and the base station includes：Acquiring unit, control unit, monitoring unit
And communication unit；Wherein,
The acquiring unit, for obtaining the fisrt feature parameter for surveying characterization uplink interference；
Described control unit, when the fisrt feature parameter for being obtained when the acquiring unit is more than first threshold, control
Interference is switched to by normal condition and evades state；
The monitoring unit under evading state in the interference, monitors and whether there is user in the first particular bearer
Scheduling request；When there are the uplink moneys for during scheduling request of user, determining the scheduling request in first particular bearer
Source；
The communication unit, for the ascending resource to be sent to other base stations in addition to the base station, so that institute
It states other base stations and evades the use ascending resource.
In said program, the monitoring unit is additionally operable in the second particular bearer of monitoring with the presence or absence of the number of the user
According to transmission；On not monitoring the second particular bearer, there are during the data transmission of the user, the scheduling request is being determined again
Ascending resource；
The communication unit is additionally operable to the ascending resource being sent to other base stations in addition to the base station, so that
Other described base stations, which are evaded, uses the ascending resource.
In said program, described control unit is additionally operable to that state ought be evaded in the interference and the acquiring unit obtains
When getting the fisrt feature parameter no more than the first threshold, control by the interference evade state switch to it is described normal
State.
In said program, the monitoring unit, for monitoring in the first particular bearer there are during the scheduling request of user,
Carrying out uplink pre-scheduling is carried out to the scheduling request, determines the ascending resource of the carrying out uplink pre-scheduling；
The communication unit, in the first preset time range by the ascending resource be sent to except the base station with
Other outer base stations；It is additionally operable in the second preset time range using the described in the ascending resource scheduling of the carrying out uplink pre-scheduling
The data of the user in one particular bearer；Wherein, first particular bearer is the carrying for needing to enhance.
In said program, second particular bearer is not need to the carrying of enhancing.
Dispatching method provided in an embodiment of the present invention and base station, the method includes：Base station, which obtains, surveys characterization uplink interference
Fisrt feature parameter；When the fisrt feature parameter is more than first threshold, controls and interference is switched to by normal condition evade
State；In the case where state is evaded in the interference, the scheduling request that whether there is user in the first particular bearer is monitored；When described first
There are during the scheduling request of user in particular bearer, determine the ascending resource of the scheduling request, the ascending resource is sent
To other base stations in addition to the base station, so that other described base stations, which are evaded, uses the ascending resource.Using of the invention real
The technical solution of example is applied, before SRVCC is effectively triggered, under the premise of extra latency is not increased, is improved in high interference region
VoLTE rises and exhales success rate；On the other hand also reduce high interference region VoLTE exhale time delay.
Description of the drawings
Fig. 1 is that rising for VoLTE exhales flow diagram in the prior art；
Fig. 2 is a kind of flow diagram of the dispatching method of the embodiment of the present invention；
Fig. 3 is the application architecture schematic diagram of the dispatching method of the embodiment of the present invention；
Fig. 4 is another flow diagram of the dispatching method of the embodiment of the present invention；
Fig. 5 is the composition structure diagram of the base station of the embodiment of the present invention.
Specific embodiment
Fig. 1 is that rising for VoLTE exhales flow diagram in the prior art；With reference to shown in Fig. 1, rising for VoLTE exhales flow to include：
Step 1, upstream terminal (MO, Mobile Original) progress random access, transmission uplink session initiation protocol (SIP,
Session Initiation Protocol) signaling Invite；Step 2, MO sides IP multimedia subsystem (IMS, IP
Multimedia Subsystem) it receives triggering MO side EPC after Invite message and establishes QCI (QoS Class Identifier)
=1 special feature, while Invite message is forwarded to the Session Border Controller of downstream station (MT, Mobile Terminal) side
(SBC, Session Border Controller).After step 3, Invite are sent to MT, MT sends uplink session initiation protocol
(SIP, Session Initiation Protocol) signaling 183Session Progress to MO carry out medium surface negotiation.
When wherein 183 message are sent to MT sides Session Border Controller (SBC, Session Border Controller), MT sides are triggered
Core net (EPC) carries out 1 special features of QCI and establishes；After step 4, MO receive 183 message, PRACK and Update etc. is sent
For precodition signalings to MT, MT replys 180Ringing message, immediately MO rings to MO；Step 5, MT are connected, call setup
Process terminates, and MO and MT is normally carried out VoLTE business.
MO establishes 1 special features of QCI not yet in above-mentioned steps 1 or although MO establishes QCI 1 in step 2 and step 3
Special feature but when 183 message are not back to MO also, can not carry out double-mode single-standby wireless voice call continuity (SRVCC, Single
Radio Voice Call Continuity) (such as including aSRVCC/bSRVCC/eSRVCC) switching.MO and MT meets at this time
LTE is resident thresholding, downlink signaling transmission no problem, but if MO or MT is in high interference (IoT) region, will be unable to carry out
Row SIP signallings, while can not also be switched to 2G and continue, thus can not successfully rise and exhale.
Based on the above problem, following embodiment of the present invention is proposed.
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Embodiment one
An embodiment of the present invention provides a kind of dispatching methods.Fig. 2 is the flow signal of the dispatching method of the embodiment of the present invention
Figure；As shown in Fig. 2, the method includes：
Step 201：Base station obtains the fisrt feature parameter for surveying characterization uplink interference.
Step 202：When the fisrt feature parameter is more than first threshold, controls and interference is switched to by normal condition evade
State.
Step 203：In the case where state is evaded in the interference, monitoring please with the presence or absence of the scheduling of user in the first particular bearer
It asks.
Step 204：When, there are during the scheduling request of user, determining the upper of the scheduling request in first particular bearer
The ascending resource is sent to other base stations in addition to the base station by row resource, so that use is evaded in other described base stations
The ascending resource.
In the present embodiment, the fisrt feature parameter characterization uplink interference degree；As a kind of embodiment, described first
Characteristic parameter is specifically as follows interference noise (IoT, Interference over Thermal)；Base station can pass through the survey of acquisition
It measures data measuring and calculating and obtains IoT.
In the present embodiment, when the fisrt feature parameter is more than first threshold, shows that uplink interference is larger, may lead
The problem of having caused to exhale unsuccessfully, then control exhale state to switch to interference to evade state by normally；Evading state in interference
Under, base station can monitor and be dispatched in the first particular bearer with the presence or absence of user, if there are user's scheduling, the scheduling to the user
Request performs interference and evades scheme；In embodiments of the present invention, meeting the fisrt feature parameter more than first threshold with tactile
Hair is switched to before interference evades state, and the downlink reference signal of terminal receives power (RSRP, Reference where user
Signal Receiving Power) condition for triggering SRVCC need to be not up to, that is, when performing the precondition of the embodiment of the present invention
The RSRP of terminal is not up to the condition for triggering SRVCC.
In the present embodiment, in the case where evading state in the interference, with the presence or absence of use in the first particular bearer of base station monitors
The scheduling request at family；Wherein, first particular bearer is the carrying for needing to enhance, such as can be that QCI 5 is carried.When described
There are during the scheduling request of user in first particular bearer, the ascending resource of the scheduling request of the user is determined.As one kind
Embodiment, it is described to monitor to determine there are during the scheduling request of user, performing uplink to evade scheme in the first particular bearer
The ascending resource is sent to other base stations in addition to the base station, specifically included by the ascending resource of the scheduling request：
It monitors to carry out carrying out uplink pre-scheduling there are during the scheduling request of user in the first particular bearer to the scheduling request, determine institute
State the ascending resource of carrying out uplink pre-scheduling；The ascending resource is sent in addition to the base station in the first preset time range
Other base stations；It specific is held using described in the ascending resource scheduling of the carrying out uplink pre-scheduling first in the second preset time range
The data of the user in load.Wherein, first preset time range can be identical with second preset time range or not
It together, specifically can be according to concrete condition concrete configuration.
Specifically, Fig. 3 is the application architecture schematic diagram of the dispatching method of the embodiment of the present invention；As shown in figure 3, base station A needles
The user for having uplink scheduling request to QCI 5 carries out carrying out uplink pre-scheduling, determines to dispatch the position of the ascending resource block (RB) of the user
It puts；The uplink RB pre-schedulings position of the user by X2 interface, other adjacent base stations is informed in N2 milliseconds (ms) by base station A；
Here, other described adjacent base stations can be base station B；N2mss of the base station A after carrying out uplink pre-scheduling, using the uplink of pre-scheduling
There are the user of uplink scheduling request in the carryings of RB scheduling of resource QCI 5, and other adjacent base stations (such as the base being apprised of
Stand B) when N2ms dispatches user, without using the RB resources used in the carrying out uplink pre-scheduling of base station A, to evade carrying out uplink pre-scheduling RB
The uplink co-channel interference of resource.Wherein, N2 can configure, it is contemplated that channel time variation, N2 may be provided within 4ms.
As a kind of embodiment, the method further includes：When the scheduling that user is not present in first particular bearer
During request, uplink is not performed and evades scheme, keeps normality.
In the present embodiment, there are during the data transmission of the user, determined again on not monitoring the second particular bearer
The ascending resource is sent to other base stations in addition to the base station, so that described by the ascending resource of the scheduling request
Other base stations, which are evaded, uses the ascending resource；Until monitoring that there are the data of user biographies in second particular bearer
It is defeated.Wherein, second particular bearer is not need to the carrying of enhancing.Second particular bearer for example can be that QCI 1 is held
It carries.
Specifically, base station monitors that (user is specially aforementioned in the first particular bearer to the user in the carryings of QCI 1
On the user that is scheduled) data transmission when, show that the carryings of QCI 1 of the user have been established completion and carry out data biography
Defeated, then the uplink interference closed for the user evades scheme.In a particular application, execution uplink can be pre-configured between base station
The time range of scheme, such as 1 millisecond, 2 milliseconds etc. are evaded in interference.When there are users in base station monitors to the first particular bearer
Scheduling request when, determine the ascending resource of the scheduling request, the ascending resource be sent in addition to the base station
Other base stations；Other described base stations do not allow the time range that the time range using the ascending resource is above-mentioned configuration；
After the time of the time range reaches, other described base stations are then scheduled according to the dispatching principle of itself, certainly may also
The ascending resource can be used.Therefore, there are the data of user biographies in the base station monitors to second particular bearer
After defeated, without notifying other described base stations, the ascending resource can also be used in other described base stations.On the other hand, the base station
On not monitoring the second particular bearer there are during the data transmission of the user, then will continue to use for the user uplink
Interference evade scheme, again determine the scheduling request ascending resource, by the ascending resource be sent to except the base station with
Other outer base stations, so that other described base stations, which are evaded, uses the ascending resource.
As a kind of embodiment, the method further includes：When evading state in the interference and monitor described the
When one characteristic parameter is not more than the first threshold, controls and evaded state by the interference and switched to the normal condition.
In the present embodiment, in the case where state is evaded in the interference, base station can monitor the first particular bearer (such as QCI5 carryings)
It is upper to whether there is scheduling request；When there are during the scheduling request of user A, the interference for performing user A evades scheme, and monitoring
There are the interference for during data transmission, terminating the user A to evade in the carryings of QCI 1 by the user A.But monitor that user B exists
There are during scheduling request in first particular bearer (such as QCI 5 is carried), scheme is evaded in the interference for further performing user B, with
Similarly, which is not described herein again by aforementioned user A.But base station monitors to the fisrt feature parameter be not more than the first threshold when,
It directly controls and switches to normal condition, no longer performing interference for any user evades scheme.
Fig. 4 is another flow diagram of the dispatching method of the embodiment of the present invention；The dispatching method of the embodiment of the present invention
Specifically it can refer to shown in Fig. 4, including：
Step 31：Whether base station monitors uplink IoT is more than first threshold；The first threshold can be according to cell actual conditions
It is pre-configured with；When monitoring that uplink IoT is more than first threshold, show that uplink interference is larger, failure is exhaled it is possible that rising
Scheme is evaded in problem, the then interference for performing step 32 to step 36；When monitoring that uplink IoT is not more than first threshold, then table
Bright uplink interference is smaller, evades scheme without performing interference.
Step 32：Base station switches to interference and evades state, evades the use under state in monitoring QCI 5 carryings in the interference
Family is dispatched, and determines the user in scheduling request present on the carryings of QCI 5.
Step 33：Base station is determined after user present on the carryings of QCI 5, determines the uplink of the scheduling request of the user
Resource；Specifically it is to determine the position of the uplink RB resource blocks of the user.
Step 34：It is adjacent that the position of the uplink RB resource blocks of the determining user is sent to other by base station in N2ms
Base station, so that other described adjacent base stations cannot use the position of the uplink RB resource blocks in the carryings of QCI 5, to avoid institute
It states user to be scheduled using the problem of uplink RB resource blocks, avoids uplink co-channel interference.
Step 35：Monitor whether the user has data transmission in the carryings of QCI 1；When the user carries in QCI 1
On when having data transmission, show that the carryings of QCI 1 of the user have been established and complete and carry out data transmission, then perform step 36：
The uplink interference for closing the user evades scheme；When the user in the carryings of QCI 1 when not having data transmission, show described
The carryings of QCI 1 of user do not set up completion, then evade scheme based on the interference for performing the user, re-execute step 33 to step
Rapid 35 process.
Using the technical solution of the embodiment of the present invention, before SRVCC is effectively triggered, in the premise for not increasing extra latency
Under, improve high interference region VoLTE rise exhale success rate；On the other hand the VoLTE for also reducing high interference region is risen when exhaling
Prolong.
Embodiment two
The embodiment of the present invention additionally provides a kind of base station.Fig. 5 is the composition structure diagram of the base station of the embodiment of the present invention；
As shown in figure 5, the base station includes：Acquiring unit 41, control unit 42, monitoring unit 43 and communication unit 44；Wherein,
The acquiring unit 41, for obtaining the fisrt feature parameter for surveying characterization uplink interference；
Described control unit 42, when the fisrt feature parameter for being obtained when the acquiring unit 41 is more than first threshold,
Control switches to interference by normal condition and evades state；
The monitoring unit 43 under evading state in the interference, is monitored in the first particular bearer with the presence or absence of use
The scheduling request at family；When, there are during the scheduling request of user, determining the uplink of the scheduling request in first particular bearer
Resource；
The communication unit 44, for the ascending resource to be sent to other base stations in addition to the base station, so that
Other described base stations, which are evaded, uses the ascending resource.
In the present embodiment, the fisrt feature parameter characterization uplink interference degree；As a kind of embodiment, described first
Characteristic parameter is specifically as follows IoT；Base station can be calculated by the measurement data of acquisition obtains IoT.
In the present embodiment, when the fisrt feature parameter is more than first threshold, shows that uplink interference is larger, may lead
The problem of having caused to exhale unsuccessfully, then described control unit 42, which is controlled, exhales state to switch to interference to evade state by normally；Locating
Evade under state in interference, the monitoring unit 43 can be monitored and be dispatched in the first particular bearer with the presence or absence of user, be used if existing
Family is dispatched, then performing interference to the scheduling request of the user evades scheme；In embodiments of the present invention, meeting described first
Characteristic parameter is more than first threshold and is switched to before interference evades state with triggering, and the downlink reference signal of terminal connects where user
The condition of SRVCC need to not up to be triggered by receiving power (RSRP, Reference Signal Receiving Power), that is, perform sheet
The RSRP of terminal is not up to the condition for triggering SRVCC during the precondition of inventive embodiments.
In the present embodiment, in the case where evading state in the interference, the monitoring unit 43 is monitored in the first particular bearer
With the presence or absence of the scheduling request of user；Wherein, first particular bearer is the carrying for needing to enhance, such as can be QCI 5
Carrying.When there are the uplink for the scheduling request for during scheduling request of user, determining user moneys in first particular bearer
Source.
As a kind of embodiment, the monitoring unit 43, for monitoring that there are the tune of user in the first particular bearer
During degree request, carrying out uplink pre-scheduling is carried out to the scheduling request, determines the ascending resource of the carrying out uplink pre-scheduling；
The communication unit 44, for the ascending resource to be sent to except the base station in the first preset time range
Other base stations in addition；It is additionally operable in the second preset time range using described in the ascending resource scheduling of the carrying out uplink pre-scheduling
The data of the user in first particular bearer；Wherein, first particular bearer is carried for QCI 5.
Specifically, can as shown in figure 3, base station A for QCI 5 have uplink scheduling request user carry out carrying out uplink pre-scheduling,
Determine the position of the ascending resource block (RB) of the scheduling user；Base station A connects the uplink RB pre-schedulings position of the user by X2
Mouthful, inform other adjacent base stations in N2 milliseconds (ms)；Here, other described adjacent base stations can be base station B；Base station A is upper
N2ms after row pre-scheduling, using the institute there are uplink scheduling request in the carryings of uplink RB scheduling of resource QCI 5 of pre-scheduling
User is stated, and other adjacent base stations (such as base station B) being apprised of, when N2ms dispatches user, the uplink without using base station A is pre-
Scheduling RB resources used, to evade the uplink co-channel interference of carrying out uplink pre-scheduling RB resources.Wherein, N2 can configure, but examine
Consider channel time variation, N2 may be provided within 4ms.
Correspondingly, when the scheduling request that user is not present in first particular bearer, the monitoring unit 43 is not held
Row uplink evades scheme, keeps normality.
In the present embodiment, the monitoring unit 43 is additionally operable in the second particular bearer of monitoring with the presence or absence of the user's
Data transmission；There are during the data transmission of the user, determining that the scheduling please on not monitoring the second particular bearer again
The ascending resource asked；Until monitoring that there are the data transmissions of the user in second particular bearer；
The communication unit 44 is additionally operable to the ascending resource being sent to other base stations in addition to the base station, with
Evade other described base stations and use the ascending resource.
Wherein, second particular bearer is not need to the carrying of enhancing.Second particular bearer for example can be not
The QCI enhanced 1 is needed to carry.
Specifically, the monitoring unit 43 monitors that (user is specially aforementioned the to the user in the carryings of QCI 1
The user being scheduled in one particular bearer) data transmission when, show that the carryings of QCI 1 of the user have been established completion and go forward side by side
Row data transmission, the then uplink interference closed for the user evade scheme.In a particular application, it can be pre-configured between base station
Perform the time range that uplink interference evades scheme, such as 1 millisecond, 2 milliseconds etc..When the monitoring unit 43 monitors first
There are during the scheduling request of user, determining the ascending resource of the scheduling request in particular bearer, the communication unit 44 is by institute
It states ascending resource and is sent to other base stations in addition to the base station；Other described base stations do not allow using the ascending resource
Time range is the time range of above-mentioned configuration；After the time of the time range reaches, other described base stations are then according to certainly
The dispatching principle of body is scheduled, and may also can use the ascending resource certainly.Therefore, the monitoring unit 43 monitors institute
After stating in the second particular bearer there are the data transmission of the user, without notifying other described base stations, other described base stations
The ascending resource can be used.On the other hand, there are the use on the second particular bearer is not monitored for the monitoring unit 43
During the data transmission at family, then it will continue to that the uplink interference for the user is used to evade scheme, determine the scheduling request again
Ascending resource, the ascending resource is sent to other base stations in addition to the base station, so that other described base stations are evaded
Use the ascending resource.
As a kind of embodiment, described control unit 42 is additionally operable to when evading state in the interference and described obtain
Take unit 41 get the fisrt feature parameter no more than the first threshold when, control by it is described interference evade state switching
To the normal condition.
In the present embodiment, it is described interference evade state under, the monitoring unit 43 can monitor the first particular bearer (such as
QCI 5 is carried) on whether there is scheduling request；When there are during the scheduling request of user A, scheme is evaded in the interference for performing user A,
And there are the interference for during data transmission, terminating the user A to evade monitoring the user A in the carryings of QCI 1.It is but described
Monitoring unit 43 monitors that user B there are during scheduling request, is further performed in the first particular bearer (such as QCI 5 is carried)
Scheme is evaded in the interference of user B, and with aforementioned user A similarly, which is not described herein again.But the acquiring unit 41 gets described
It when one characteristic parameter is not more than the first threshold, directly controls and switches to normal condition, no longer performed for any user dry
It disturbs and evades scheme.
In the embodiment of the present invention, control unit 42, monitoring unit 43 in the base station in practical applications can be by institutes
State central processing unit (CPU, Central Processing Unit), digital signal processor (DSP, the Digital in base station
Signal Processor), micro-control unit 42 (MCU, Microcontroller Unit) or programmable gate array (FPGA,
Field-Programmable Gate Array) it realizes；Acquiring unit 41 and communication unit 44 in the base station, in reality
It (can be included by communications module in：Base communication external member, operating system, communication module, standard interface and agreement etc.)
And dual-mode antenna is realized.
Using the technical solution of the embodiment of the present invention, before SRVCC is effectively triggered, in the premise for not increasing extra latency
Under, improve high interference region VoLTE rise exhale success rate；On the other hand the VoLTE for also reducing high interference region is risen when exhaling
Prolong.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, only
A kind of division of logic function can have other dividing mode, such as in actual implementation：Multiple units or component can combine or
It is desirably integrated into another system or some features can be ignored or does not perform.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, be shown as unit
The component shown can be or may not be physical unit, you can be located at a place, can also be distributed to multiple network lists
In member；Part or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
To be each unit individually as a unit, can also two or more units integrate in a unit；It is above-mentioned
The form that hardware had both may be used in integrated unit is realized, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and aforementioned program can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is performed；And aforementioned storage medium includes：It is movable storage device, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or
The various media that can store program code such as person's CD.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and is independent product
Sale in use, can also be stored in a computer read/write memory medium.Based on such understanding, the present invention is implemented
The technical solution of example substantially in other words can be embodied the part that the prior art contributes in the form of software product,
The computer software product is stored in a storage medium, and being used including some instructions (can be with so that computer equipment
It is personal computer, server or base station etc.) perform all or part of each embodiment the method for the present invention.It is and preceding
The storage medium stated includes：Various Jie that can store program code such as movable storage device, ROM, RAM, magnetic disc or CD
Matter.
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, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of dispatching method, which is characterized in that the method includes：
Base station obtains the fisrt feature parameter for surveying characterization uplink interference；
When the fisrt feature parameter is more than first threshold, controls and interference is switched to by normal condition evade state；
In the case where state is evaded in the interference, the scheduling request that whether there is user in the first particular bearer is monitored；
When, there are during the scheduling request of user, the ascending resource of the scheduling request being determined, by institute in first particular bearer
It states ascending resource and is sent to other base stations in addition to the base station, provided so that other described base stations are evaded using the uplink
Source.
2. according to the method described in claim 1, it is characterized in that, the method further includes：Do not monitoring that second specific holds
There are during the data transmission of the user in load, the ascending resource of the scheduling request is determined again, the ascending resource is sent out
It send to other base stations in addition to the base station, so that other described base stations, which are evaded, uses the ascending resource.
3. according to the method described in claim 1, it is characterized in that, the method further includes：When in it is described interference evade shape
State and when getting the fisrt feature parameter no more than the first threshold, controls and is evaded state by the interference and switched to
The normal condition.
4. according to the method described in claim 1, it is characterized in that, described monitor that there are the tune of user in the first particular bearer
During degree request, determine the ascending resource of the scheduling request, the ascending resource is sent to other in addition to the base station
Base station, including：
It monitors to carry out carrying out uplink pre-scheduling to the scheduling request, really there are during the scheduling request of user in the first particular bearer
The ascending resource of the fixed carrying out uplink pre-scheduling；The ascending resource is sent to except the base station in the first preset time range
Other base stations in addition；
Using institute in the first particular bearer described in the ascending resource scheduling of the carrying out uplink pre-scheduling in the second preset time range
State the data of user；
Wherein, first particular bearer is the carrying for needing to enhance.
5. according to the method described in claim 2, it is characterized in that, second particular bearer is not need to the carrying of enhancing.
6. a kind of base station, which is characterized in that the base station includes：Acquiring unit, control unit, monitoring unit and communication unit；
Wherein,
The acquiring unit, for obtaining the fisrt feature parameter for surveying characterization uplink interference；
Described control unit when the fisrt feature parameter for being obtained when the acquiring unit is more than first threshold, is controlled by just
Normal state switches to interference and evades state；
The monitoring unit under evading state in the interference, monitors the tune that whether there is user in the first particular bearer
Degree request；When, there are during the scheduling request of user, determining the ascending resource of the scheduling request in first particular bearer；
The communication unit, for the ascending resource to be sent to other base stations in addition to the base station so that it is described its
His base station, which is evaded, uses the ascending resource.
7. base station according to claim 6, which is characterized in that the monitoring unit is additionally operable to the second particular bearer of monitoring
The upper data transmission with the presence or absence of the user；There are the data transmissions of the user on the second particular bearer is not monitored
When, again determine the scheduling request ascending resource；
The communication unit is additionally operable to the ascending resource being sent to other base stations in addition to the base station, so that described
Other base stations, which are evaded, uses the ascending resource.
8. base station according to claim 6, which is characterized in that described control unit is additionally operable to advise when in the interference
It keeps away state and when the acquiring unit gets the fisrt feature parameter no more than the first threshold, controls by described dry
It disturbs and evades state and switch to the normal condition.
9. base station according to claim 6, which is characterized in that the monitoring unit, for monitoring the first particular bearer
On there are user scheduling request when, carrying out uplink pre-scheduling is carried out to the scheduling request, determines the uplink of the carrying out uplink pre-scheduling
Resource；
The communication unit, for the ascending resource to be sent in addition to the base station in the first preset time range
Other base stations；It is additionally operable in the second preset time range special using described in the ascending resource scheduling of the carrying out uplink pre-scheduling first
The data of the fixed upper user of carrying；Wherein, first particular bearer is the carrying for needing to enhance.
10. base station according to claim 7, which is characterized in that second particular bearer is not need to the carrying of enhancing.
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| CN108235400B (en) | 2021-01-15 |
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