CN108738055A - Modulation coding scheme method of adjustment, device, base station and storage medium - Google Patents
Modulation coding scheme method of adjustment, device, base station and storage medium Download PDFInfo
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Abstract
This application involves a kind of modulation coding scheme method of adjustment, device, base station and storage mediums.The method includes：When detecting that terminal initiates speech business, signal quality measured instruction is issued to the terminal；Receive the target measurement event obtained according to the signal quality measured instruction that the terminal returns；When the target measurement event is that the characterization terminal enters weak overlay area or is disturbed first measurement event in region, modulation coding scheme grade is reduced.Voice quality can be promoted using this method, transmission power need not be limited to, and can be adapted for the situation of voice bearer itself speech quality difference.
Description
Technical field
This application involves field of communication technology, more particularly to a kind of modulation coding scheme method of adjustment, device, base station and
Storage medium.
Background technology
How voice promotes voice in weak overlay area and is disturbed in region as a kind of important type of service of user
Speech quality, be promoted user's communication experience important technology point, be the important technology index of base station.It base station can be in various poles
The great competitive advantage that stable voice communication is base station equipment is provided in end ring border.
In the mode of current promotion voice quality, mainly there is adjustment transmission power or reduce other and be wirelessly electrically accessed
The anomalous effects of carrying or.The mode of voice call quality is improved for the transmission power of adjustment terminal and base station, at end
End and base station transmitting power reach maximum value in the case of can not implement, and for other than voice bearer other carryings ask
It is unaffected that voice bearer how is continued in the case of topic, is not referred in the case of voice bearer itself speech quality difference
How to handle.As it can be seen that the mode of current promotion voice quality, the problems such as there are narrow application ranges.
Invention content
Based on this, it is necessary to which the problems such as being directed to above-mentioned narrow application range provides a kind of modulation coding scheme method of adjustment, dress
It sets, base station and storage medium, voice quality can be promoted, transmission power need not be limited to, and can be adapted for voice bearer
The situation of itself speech quality difference.
A kind of modulation coding scheme method of adjustment, this method include：
When detecting that terminal initiates speech business, signal quality measured instruction is issued to terminal；
Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；
When target measurement event is that characterization terminal enters weak overlay area or is disturbed first measurement event in region,
Reduce modulation coding scheme grade.
Above-mentioned method further includes in one of the embodiments,：
It obtains the current error rate of data transmit-receive or carries the current data amount of the single data packet of voice；
The modulation coding scheme grade after reduction is adjusted according to current error rate or current data amount.
In one of the embodiments, when current error rate increases, the modulation coding scheme grade after reducing is turned down,
When current error rate reduces, the modulation coding scheme grade after reducing is turned up；Or it when current data amount is reduced, turns down
The modulation coding scheme grade after reducing is turned up when current data amount increases in modulation coding scheme grade after reduction.
In one of the embodiments, it is above-mentioned target measurement event be characterization terminal enter weak overlay area or by
When the first measurement event of interference region, reducing modulation coding scheme grade includes：Target measurement event be characterization terminal into
When entering weak overlay area or the first measurement event for being disturbed region, uplink data scheduling amount and downlink data dispatching are reduced
Amount reduces modulation coding scheme grade according to the uplink data scheduling amount after reduction and the downlink data dispatching amount after reduction, will
Uplink data scheduling amount after reduction is sent to terminal and carries out upstream data transmission, and control base station is according to the lower line number after reduction
Downlink data transmission is carried out according to scheduling quantum.
Above-mentioned reduction uplink data scheduling amount and downlink data dispatching amount include in one of the embodiments,：It will be upper
Row data scheduling quantum and downlink data dispatching amount are reduced to the 1/N of the current data amount of the single data packet of carrying voice respectively,
Wherein N is the positive integer more than 1.
Above-mentioned method further includes in one of the embodiments,：It is that characterization terminal is detached from weak cover in target measurement event
When cover area or disengaging are disturbed second measurement event in region, restore grade of the modulation coding scheme grade to before adjusting.
Above-mentioned method further includes in one of the embodiments,：It is that characterization terminal is detached from weak cover in target measurement event
When cover area or disengaging are disturbed second measurement event in region, restore grade of the modulation coding scheme grade to before turning down,
Restore the size of uplink data scheduling amount and downlink data dispatching amount to before reducing, the uplink data scheduling amount after recovery is sent
Upstream data transmission is carried out to terminal, control base station carries out downlink data transmission according to the downlink data dispatching amount after recovery.
A kind of modulation coding scheme adjusting apparatus, the device include：
Sending module issues signal quality measured instruction when for detecting that terminal initiates speech business to terminal；
Receiving module, the target measurement event obtained according to signal quality measured instruction for receiving terminal return；
Control module, for being to characterize terminal to enter weak overlay area or be disturbed the of region in target measurement event
When one measurement event, modulation coding scheme grade is reduced.
A kind of base station, including memory, processor and storage are on a memory and the computer that can run on a processor
Program, processor realize following steps when executing computer program：
When detecting that terminal initiates speech business, signal quality measured instruction is issued to terminal；
Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；
When target measurement event is that characterization terminal enters weak overlay area or is disturbed first measurement event in region,
Reduce modulation coding scheme grade.
A kind of computer readable storage medium is stored thereon with computer program, when computer program is executed by processor
Realize following steps：
When detecting that terminal initiates speech business, signal quality measured instruction is issued to terminal；
Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；
When target measurement event is that characterization terminal enters weak overlay area or is disturbed first measurement event in region,
Reduce modulation coding scheme grade.
Above-mentioned modulation coding scheme method of adjustment, device, base station and storage medium are to detect terminal initiation voice industry
When business, signal quality measured instruction is issued to terminal, receives the target obtained according to signal quality measured instruction that terminal returns
Measurement event is the first measurement event for characterizing terminal and entering weak overlay area or being disturbed region in target measurement event
When, modulation coding scheme grade is reduced, in this way, data encoding redundancy can be increased, to pass through increased Redundant Lifting voice matter
Amount.Using the scheme in the present embodiment, the case where weak overlay area and strong overlay area bursty interference can be suitable for simultaneously, at this
Can improve voice call quality well in the case of a little, and the transmission power of base station need not be limited to, power adjustment can not
It remains to implement in the case of implementation, is readily applicable to the case where voice bearer itself speech quality is deteriorated.
Description of the drawings
Fig. 1 is the applied environment figure of modulation coding scheme method of adjustment in one embodiment；
Fig. 2 is the flow diagram of modulation coding scheme method of adjustment in one embodiment；
Fig. 3 is the flow diagram of modulation coding scheme method of adjustment in another embodiment；
Fig. 4 is the exemplary concept map of radio protocol architecture；
Fig. 5 is the flow diagram of modulation coding scheme method of adjustment in another embodiment；
Fig. 6 is the structure diagram of modulation coding scheme adjusting apparatus in one embodiment；
Fig. 7 is the internal structure chart of base station in one embodiment.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Modulation coding scheme method of adjustment provided by the present application, can be applied in application environment as shown in Figure 1.Its
In, base station (BS) is radio receiver-transmitter, can also be generally referred to by those skilled in the art as base transceiver station (BTS), radio
Base station, wireless set, transceiver function, basic service set (BSS), extended service set (ESS), access point (AP) or its
His some suitable term.Base station is the wireless access point that any number terminal is provided to core net.The example of terminal includes
Cellular phone, smart phone, Session initiation Protocol (SIP) phone, laptop computer, notebook, net book, smartbook, individual
Digital assistants (PDA), satelline radio, global positioning system (GPS) equipment, multimedia equipment, video equipment, digital audio are broadcast
Put device (for example, MP3 player), camera, game console or any other similar function device.Terminal (usually moves
Device) the commonly known as user equipment (UE) in mobile communication system (UMTS) application, but it also can be by people in the art
Member is known as movement station (MS), subscriber station, mobile unit, subscriber unit, radio-cell, remote unit, mobile device, wirelessly sets
Standby, wireless telecom equipment, remote equipment, mobile subscriber station, access terminal (AT), mobile terminal, wireless terminal, remote terminal,
Hand-held set, terminal, user agent, mobile client, client or some other suitable term.Specifically, base station detects
When terminal initiates speech business, signal quality measured instruction is issued to terminal, and receives being surveyed according to signal quality for terminal return
The target measurement event that amount instruction obtains be to characterize terminal to be disturbed the of region into weak overlay area in target measurement event
When one measurement event, modulation coding scheme grade is reduced, in this way, data encoding redundancy can be increased, to promote voice quality.
In one embodiment, it as shown in Fig. 2, providing a kind of modulation coding scheme method of adjustment, applies in this way
It illustrates, includes the following steps for base station in Fig. 1：
Step S201：When detecting that terminal initiates speech business, signal quality measured instruction is issued to terminal；
Here, signal quality measured to refer to that instruction terminal determines the current letter of reaction according to the signal quality measured
The instruction of number quality state, current signal quality state can enter weak overlay area, or enter and be disturbed region, also may be used
To be to be detached from weak overlay area, or be detached from and be disturbed region.
Step S202：Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；
Here, target measurement event refers to the event of reactive terminal current signal quality state；
Step S203：It is the first survey for characterizing terminal and entering weak overlay area or being disturbed region in target measurement event
When amount event, modulation coding scheme grade is reduced；
Here, modulation coding scheme (Modulation and Coding Scheme, MCS), also referred to as modulation and coding
Strategy.Modulation coding scheme grade is reduced in this step can increase data encoding redundancy, to pass through increased Redundant Lifting language
Sound quality.
Accordingly, it is when detecting that terminal initiates speech business, under terminal according to the scheme in above-mentioned the present embodiment
Signalling mass measurement instructs, and the target measurement event obtained according to signal quality measured instruction that terminal returns is received, in mesh
When mark measurement event is that characterization terminal enters weak overlay area or is disturbed first measurement event in region, modulating-coding is reduced
Mode grade, in this way, data encoding redundancy can be increased, to pass through increased Redundant Lifting voice quality.Using the present embodiment
In scheme, can simultaneously be suitable for weak overlay area and strong overlay area bursty interference the case where, in these cases can be fine
Improvement voice call quality, and the transmission power of base station need not be limited to, still in the case where power adjustment can not be implemented
It can implement, be readily applicable to the case where voice bearer itself speech quality is deteriorated.
Above-mentioned determines that the mode of current signal quality state is usually according to signal quality, the signal quality that will be measured
Value is compared with preset one or more threshold values, for example, when signal quality value is less than first threshold, judgement terminal enters
Weak overlay area is disturbed region, when signal quality value is more than second threshold, judgement terminal be detached from weak overlay area or
Person is disturbed region, wherein first threshold and second threshold can be identical, but are generally cut in order to avoid continually carrying out state
It changes, first threshold and second threshold can also be set as to two different values, for example, second threshold is more than first threshold.Meanwhile
First threshold and second threshold are usually to be configured in base station side.
Above-mentioned reduction modulation coding scheme grade can be that modulation coding scheme grade is reduced to predetermined level, this is pre-
If grade can determine according to actual needs.
Above-mentioned characterization terminal enters weak overlay area or the first measurement event for being disturbed region, in mobile communication system
A2 events are commonly known as in.
Further, it is also possible to be finely adjusted to the modulation coding scheme grade after reduction so that its be more applicable for it is current
Voice communication needs.In one embodiment, as shown in figure 3, providing a kind of modulation coding scheme method of adjustment, in this way
Applied to being illustrated for the base station in Fig. 1, include the following steps：
Step S301：When detecting that terminal initiates speech business, signal quality measured instruction is issued to terminal；
Step S302：Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；
Step S303：It is the first survey for characterizing terminal and entering weak overlay area or being disturbed region in target measurement event
When amount event, modulation coding scheme grade is reduced；
Step S301~step S303 and step S201~step S203 in above-described embodiment in the present embodiment is one by one
It is corresponding, it not repeats to repeat herein.
Step 304：It obtains the current error rate of data transmit-receive or carries the current data of the single data packet of voice
Amount；
Specifically, the current error rate of the data transmit-receive of media access control layer can be obtained or carry voice
The current data amount of single data packet,
It should be noted that step S304 is not limited to execute after step S303, can detect terminal hair
Play any one moment execution after speech business.
Step S305：It is grading to modulation coding scheme after reduction etc. according to current error rate or current data amount
Row adjustment.
It, can be with enhanced modulation coding staff by being finely adjusted to the modulation coding scheme grade after reduction in the present embodiment
The collocation degree of the data volume of the single data packet of formula grade and the bit error rate of data transmit-receive or/and carrying voice, with preferably
Meet current voice communication needs.
Specifically, the modulation coding scheme grade after reducing can be turned down when the bit error rate increases, is reduced in the bit error rate
When, the modulation coding scheme grade after reducing is turned up；Or when current data amount is reduced, turns down the modulation after reducing and compile
The modulation coding scheme grade after reducing is turned up when current data amount increases in code mode grade.
Here, it can turn down step by step to turn down, and can also be to be turned down across grade, and similarly, height-regulating can be turned up step by step, also may be used
To be across grade height-regulating.For adjust step by step (including be turned up step by step and step by step turn down) or across adjustment (including across grade height-regulating and across
Grade is turned down), it can after each adjustment, reacquire the bit error rate of data transmit-receive or carry the single data packet of voice
Data volume, according to reacquire data transmit-receive the bit error rate or carry voice single data packet data volume judgement
Whether need to be finely adjusted again, until the data of the bit error rate of data transmit-receive or the single data packet of carrying voice
Amount is met the requirements, for example, the bit error rate of data transmit-receive is located within the scope of the default bit error rate, carries the number of the single data packet of voice
It is located within the scope of preset data amount according to amount.
In addition, the adjustment series (including sum of series is turned up and turns down series) for fine tuning can also be according to preset right
It should be related to determination, which can be relative change rate and the adjustment series of the bit error rate or the bit error rate
The relative change rate of correspondence, the bit error rate can be calculated by following formula (1)；The preset correspondence also may be used
To be the data volume for the single data packet for carrying voice or the relative change rate of data volume and the correspondence for adjusting series, number
It can be calculated by following formula (2) according to the relative change rate of amount.
KE=(RSE-RSE0)/RSR0 (1)
KD=(DS-DS0)/DS0 (2)
In above formula, KEAnd KDThe relative change rate of the relative change rate and data volume of the bit error rate, R are indicated respectivelySE0And DS0Point
Not Biao Shi bit error rate reference point and data volume reference point, RSEAnd DSCurrent error rate and current data amount are indicated respectively, wherein accidentally
Code check reference point and data volume reference point may be set according to actual conditions.It should be noted that the adjustment series of fine tuning is not
It is limited to determine using aforesaid way.
It is in one of the embodiments, that characterization terminal enters weak overlay area or disturbed area in target measurement event
When first measurement event in domain, reducing modulation coding scheme grade may include：It is that characterization terminal enters in target measurement event
When the first measurement event of weak overlay area, uplink data scheduling amount and downlink data dispatching amount are reduced, according to upper after reduction
Downlink data dispatching amount after row data scheduling quantum and reduction reduces modulation coding scheme grade, by the upstream data tune after reduction
Measurement is sent to terminal and carries out upstream data transmission, and control base station carries out lower line number according to the downlink data dispatching amount after reduction
According to transmission.
In the present embodiment, using reduction uplink data scheduling amount and downlink data dispatching amount and reduction modulation coding scheme etc.
The mode that grade is combined, can further promote voice quality.
Above-mentioned reduction uplink data scheduling amount and downlink data dispatching amount include：By uplink data scheduling amount and lower line number
It is the positive integer more than 1 to be reduced to the 1/N of the current data amount of the single data packet of carrying voice, wherein N respectively according to scheduling quantum.
1/N indicates N/mono-.Specifically being reduced to what degree can set according to actual needs, for example, being reduced to current data amount
A quarter.
A kind of modulation coding scheme method of adjustment is provided in one of the embodiments, and this method can also include：?
When target measurement event is that characterization terminal is detached from weak overlay area or is disturbed second measurement event in region, restores modulation and compile
Grade of the code mode grade to before adjusting.
Here characterization terminal is detached from weak overlay area or is disturbed second measurement event in region, in mobile communication system
A1 events are commonly known as in.
In the present embodiment, restore normal work mould of the base station to terminal by way of restoring modulation coding scheme grade
Formula.
A kind of modulation coding scheme method of adjustment is provided in one of the embodiments, and this method can also include：?
When target measurement event is that characterization terminal is detached from the second measurement event of weak overlay area, restore modulation coding scheme grade to tune
Grade before low restores the size of uplink data scheduling amount and downlink data dispatching amount to before reducing, by the upper line number after recovery
It is sent to terminal according to scheduling quantum and carries out upstream data transmission, control base station carries out downlink according to the downlink data dispatching amount after recovery
Data are sent.
In the present embodiment, by restoring modulation coding scheme grade and restoring uplink data scheduling amount and downlink data dispatching
Measure the normal mode of operation that the mode being combined restores base station to terminal.
Scheme to facilitate the understanding of the present invention, illustrates below in conjunction with Fig. 4 and Fig. 5.Fig. 4 is radio protocol architecture
Exemplary concept map.Fig. 5 is the flow diagram of the modulation coding scheme method of adjustment in one embodiment.
In wireless telecommunication systems, concrete application is depended on, communication protocol architecture can take various forms.For example,
In 3GPP mobile communication systems, signaling protocol stack is divided into non-access stratum (NAS) and access stratum (AS).NAS provides each
Upper layer, the signaling being used between base station and core net, and non-access stratum may include circuit switching and packet switching protocol.
It accesses stratum and each lower layer, the signaling being used between the terrestrial access network of mobile communication system and user equipment is provided, and connect
Enter stratum and may include user plane and control plane.
Access stratum is shown to have three layers：Layer 1, layer 2 and layer 3.Layer 1 is the bottom and realizes at various physical layer signals
Manage function.Layer 1 will be referred to herein as physical layer 401.Layer 2402 is data link layer, and layer 2402 is on physical layer 401
And it is responsible for the link between user equipment and base station on physical layer 401.
In layer 3, wireless heterogeneous networks (RRC) layer 406 disposes the control between user equipment and radio network controller
Plane signaling.Rrc layer 406 includes for routeing higher message, disposition broadcast and paging function, foundation and configuration radio bearer
Deng multiple functional entitys.
L2 layers 402 are split into each sublayer.In control plane, L2 layers 402 include two sublayers：Media access control (MAC)
Sublayer 403 and radio link control (RLC) sublayer 404.In user plane, L2 layers 402 also comprise Packet Data Convergence Protocol
(PDCP) sublayer 405.Although being not shown, there can be several upper layers on L2 layers 402.
Coding mode level adjustment method processed can be applied to include measuring configuration administrative unit, PDCP numbers in the present embodiment
Unit, HARQ (Hybrid Automatic Repeat Request, mixed automatic repeat request) statistic unit, MAC according to statistics
In the system of scheduling unit and PDCP packet statistics units, but the dividing mode of internal system each unit is not limited to this.Its
In, measuring configuration unit, in a base station, responsible configurating terminal measure, and when receiving the measurement message of terminal, notify RLC
Cache reporting unit and MAC scheduling units；HARQ statistic units are responsible for counting the bit error rate of MAC layer uplink and downlink data transmit-receive.RLC
Reporting unit is cached, is responsible for reporting the data buffer storage situation and voice bearer uplink and downlink single data packet of each carrying to MAC layer
Size；MAC scheduling units are responsible for caching each units such as reporting unit, HARQ statistic units and measuring management unit according to RLC
The information of offer carries out data dispatch；PDCP packet statistics units are responsible for the size of statistics uplink and downlink individual voice packet, supply
RLC caches reporting unit inquiry and uses.
As shown in figure 5, coding mode level adjustment method processed includes in the present embodiment：
Step S501：Base station detects that terminal initiates speech business, is issued to terminal and executes A1 measurement events and A2 measurements
The instruction of event；
Here, the instruction for executing A1 measurement events and A2 measurement events is equivalent to above-mentioned signal quality measured instruction.
Step S502：PDCP data statistics units start the size of statistically downstream voice data packet, prepare to cache for RLC
Reporting unit inquiry uses.
Step S503：HARQ statistic units start the case where counting MAC layer data transmit-receive；
Here, the case where counting MAC layer data transmit-receive refers mainly to the statistics bit error rate.
Step S504：If measuring management unit monitors that A2 measurement events report, notice RLC caching reporting units and MAC
Scheduling unit A2 events occur；
Wherein, it monitors that A2 measurement events report, illustrates that terminal enters weak overlay area or terminal enters disturbed area
Domain；
Step S505：While RLC caches reporting unit to MAC scheduling units report cache size, carries uplink and downlink and hold
Carry the size of the single data packet of voice.
Here, carry the single data packet of voice size carry voice single data packet data volume
Step S506：MAC layer reduces modulation coding scheme grade after receiving A2 events；
Wherein, after reducing modulation coding scheme grade, data encoding redundancy can be increased.
Optionally, MAC scheduling units are after receiving A2 events, can reduce modulation coding scheme grade to a certain rank with
Under, while according to the statistical conditions of HARQ data transmitting-receiving statistic unit and the report slightly adjustment modulation coding scheme of RLC cachings etc.
Grade；
Further optionally, MAC scheduling units reduce uplink data scheduling amount and downlink data tune after receiving A2 events
Measurement reduces modulation coding scheme grade according to the uplink data scheduling amount after reduction and the downlink data dispatching amount after reduction,
Uplink data scheduling amount after reduction is sent to terminal and carries out upstream data transmission, and control base station is according to the downlink after reduction
Data dispatch amount carries out downlink data transmission；
Step S507：If measuring management module receives A1 measurement events, RLC caching reporting modules and MAC tune are notified
Spend module；
Wherein, region is disturbed when receiving A1 measurement events and illustrate that terminal is detached from weak overlay area or is detached from；
Step S508：RLC caching reporting modules stop sending individual voice data package size to MAC, restore normal work
Pattern.
Step S509：MAC scheduling units cache report size according to RLC and HARQ data receives and dispatches statistic unit statistical conditions
Data dispatch is carried out, normal mode of operation is restored.
Here, include restoring modulation coding scheme grade to before turning down after MAC scheduling units restore normal mode of operation
Grade.Optionally, further include the size for restoring uplink data scheduling amount and downlink data dispatching amount to before reducing, after recovery
Uplink data scheduling amount be sent to terminal carry out upstream data transmission, control base station according to the downlink data dispatching amount after recovery into
Row downlink data is sent.
It should be understood that although each step in the flow chart of Fig. 2, Fig. 3 and Fig. 5 is shown successively according to the instruction of arrow
Show, but these steps are not the inevitable sequence indicated according to arrow to be executed successively.Unless expressly state otherwise herein, this
There is no stringent sequences to limit for the execution of a little steps, these steps can execute in other order.Moreover, figure Fig. 2, Fig. 3
May include that either these sub-steps of multiple stages or stage be not for multiple sub-steps at least part step in Fig. 5
Completion necessarily is executed in synchronization, but can be executed at different times, the execution in these sub-steps or stage is suitable
Sequence is also not necessarily to be carried out successively, but can be at least one of other steps either sub-step of other steps or stage
Minute wheel stream alternately executes.
In one embodiment, as shown in fig. 6, providing a kind of modulation coding scheme adjusting apparatus, including：Sending module
601, receiving module 602 and control module 603, wherein：
Sending module 601 issues signal quality measured instruction when for detecting that terminal initiates speech business to terminal；
Receiving module 602, the target measurement event obtained according to signal quality measured instruction for receiving terminal return；
Control module 603, for being characterization terminal into weak overlay area in target measurement event or being disturbed region
The first measurement event when, reduce modulation coding scheme grade.
As shown in fig. 6, modulation coding scheme adjusting apparatus in one of the embodiments, can also include acquisition module
604 and fine tuning module 605, wherein：
Acquisition module 604, the single data packet of current error rate or carrying voice for obtaining data transmit-receive
Current data amount；
Module 605 is finely tuned, is used for according to current error rate or current data amount to the modulation coding scheme after reduction
Grade is adjusted.
Fine tuning module 605 turns down the modulating-coding after reducing when current error rate increases in one of the embodiments,
The modulation coding scheme grade after reducing is turned up when current error rate reduces in mode grade.
Fine tuning module 605 turns down the modulating-coding after reducing when current data amount is reduced in one of the embodiments,
The modulation coding scheme grade after reducing is turned up when current data amount increases in mode grade.
Control module 603 is that characterization terminal enters weak overlay area in target measurement event in one of the embodiments,
Or when being disturbed first measurement event in region, uplink data scheduling amount and downlink data dispatching amount are reduced, after reduction
Uplink data scheduling amount and reduce after downlink data dispatching amount reduce modulation coding scheme grade, by the upper line number after reduction
It is sent to terminal according to scheduling quantum and carries out upstream data transmission, and control base station carries out down according to the downlink data dispatching amount after reduction
Row data are sent.
Control module 603 can be by uplink data scheduling amount and downlink data dispatching amount point in one of the embodiments,
It is the positive integer more than 1 not to be reduced to the 1/N of the current data amount of the single data packet of carrying voice, wherein N.
Control module 603 can be also used in target measurement event being that characterization terminal is detached from one of the embodiments,
When weak overlay area or disengaging are disturbed second measurement event in region, before recovery modulation coding scheme grade to adjustment etc.
Grade.
Control module 603 can be also used in target measurement event being that characterization terminal is detached from one of the embodiments,
Weak overlay area or disengaging be when being disturbed second measurement event in region, restore modulation coding scheme grade to before turning down etc.
Grade restores the size of uplink data scheduling amount and downlink data dispatching amount to before reducing, by the uplink data scheduling amount after recovery
It is sent to terminal and carries out upstream data transmission, control base station carries out downlink data hair according to the downlink data dispatching amount after recovery
It send.
Specific restriction about modulation coding scheme adjusting apparatus may refer to adjust above for modulation coding scheme
The restriction of method, details are not described herein.Modules in above-mentioned modulation coding scheme adjusting apparatus can be fully or partially through
Software, hardware and combinations thereof are realized.Above-mentioned each module can be embedded in or in the form of hardware independently of the place in computer equipment
It manages in device, can also in a software form be stored in the memory in computer equipment, in order to which processor calls execution or more
The corresponding operation of modules.
In one embodiment, a kind of base station is provided, Fig. 7 is the block diagram of the primary hardware construction of base station.Such as Fig. 7 institutes
Show, base station includes computer equipment, which includes bus, and processor, memory, outer is connected in the bus
Portion's memory etc..The memory of the computer equipment includes non-volatile memory medium, built-in storage.The non-volatile memories are situated between
Matter is stored with operating system and computer program.The built-in storage is operating system and computer in non-volatile memory medium
The operation of program provides environment.To realize a kind of resource allocation methods when the computer program is executed by processor.It is deposited outside this
Reservoir can be hard disk (HardDisk, HD).Input unit, the base for inputting various information etc. can also be connected in bus
GPS device of standing and base station communication apparatus, base station communication apparatus have the knot for being communicated with user equipment and network side
Structure.In addition, being also associated with the display device and base station clock for showing various information etc. on the bus.
Base station it will be understood by those skilled in the art that structure shown in Fig. 7, only with the relevant portion of application scheme
The block diagram of separation structure, does not constitute the restriction for the base station being applied thereon to application scheme, and specific base station may include
Than more or fewer components as shown in the figure, either combines certain components or arranged with different components.
In one embodiment, a kind of base station, including memory and processor are provided, computer is stored in memory
Program, the processor realize following steps when executing computer program：When detecting that terminal initiates speech business, issued to terminal
Signal quality measured instruction；Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；In target
When measurement event is that characterization terminal enters weak overlay area or is disturbed first measurement event in region, modulating-coding side is reduced
Formula grade.
In one embodiment, following steps are also realized when processor executes computer program：Obtain working as data transmit-receive
The current data amount of the preceding bit error rate or the single data packet of carrying voice；According to current error rate or/and current data
Amount is adjusted the modulation coding scheme grade after reduction.
In one embodiment, following steps are also realized when processor executes computer program：Increase in current error rate
When, the modulation coding scheme grade after reducing is turned down, when current error rate reduces, the modulation coding scheme etc. after reducing is turned up
Grade；Or when current data amount is reduced, the modulation coding scheme grade after reducing is turned down, is increased in current data amount
When, the modulation coding scheme grade after reducing is turned up.
In one embodiment, following steps are also realized when processor executes computer program：It is in target measurement event
When characterization terminal enters weak overlay area or is disturbed first measurement event in region, uplink data scheduling amount and downlink are reduced
Data dispatch amount reduces modulation coding scheme according to the uplink data scheduling amount after reduction and the downlink data dispatching amount after reduction
After uplink data scheduling amount after reduction is sent to terminal and carries out upstream data transmission by grade, and control base station is according to reduction
Downlink data dispatching amount carry out downlink data transmission.
In one embodiment, processor executes the reduction uplink data scheduling amount realized when computer program and lower line number
Include according to scheduling quantum step：Uplink data scheduling amount and downlink data dispatching amount are reduced to the individual data of carrying voice respectively
The 1/N of the current data amount of packet, wherein N are the positive integer more than 1.
In one embodiment, following steps are also realized when processor executes computer program：It is in target measurement event
Characterization terminal is detached from weak overlay area or is detached from when being disturbed second measurement event in region, restores modulation coding scheme grade
Grade before to adjustment.
In one embodiment, following steps are also realized when processor executes computer program：It is in target measurement event
Characterization terminal is detached from weak overlay area or is detached from when being disturbed second measurement event in region, restores modulation coding scheme grade
Grade to before turning down restores the size of uplink data scheduling amount and downlink data dispatching amount to before reducing, will be upper after recovery
Row data scheduling quantum is sent to terminal and carries out upstream data transmission, and control base station is carried out according to the downlink data dispatching amount after recovery
Downlink data is sent.
It will be understood by those skilled in the art that structure shown in Fig. 7, is only tied with the relevant part of application scheme
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
May include either combining certain components than more or fewer components as shown in the figure or being arranged with different components.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor：When detecting that terminal initiates speech business, signal quality is issued to terminal
Measurement instruction；Receive the target measurement event obtained according to signal quality measured instruction that terminal returns；In target measurement event
When entering weak overlay area for characterization terminal or be disturbed first measurement event in region, modulation coding scheme grade is reduced.
In one embodiment, following steps are also realized when computer program is executed by processor：Obtain data transmit-receive
The current data amount of the single data packet of current error rate or carrying voice；According to current error rate or/and current number
The modulation coding scheme grade after reduction is adjusted according to amount.
In one embodiment, following steps are also realized when computer program is executed by processor：Increase in current error rate
When big, the modulation coding scheme grade after reducing is turned down, when current error rate reduces, the modulation coding scheme after reducing is turned up
Grade；Or when current data amount is reduced, the modulation coding scheme grade after reducing is turned down, is increased in current data amount
When, the modulation coding scheme grade after reducing is turned up.
In one embodiment, following steps are also realized when computer program is executed by processor：In target measurement event
When entering weak overlay area for characterization terminal or be disturbed first measurement event in region, uplink data scheduling amount is reduced under
Row data scheduling quantum reduces modulating-coding side according to the uplink data scheduling amount after reduction and the downlink data dispatching amount after reduction
Uplink data scheduling amount after reduction is sent to terminal and carries out upstream data transmission by formula grade, and control base station is according to reduction
Downlink data dispatching amount afterwards carries out downlink data transmission.
In one embodiment, the reduction uplink data scheduling amount and downlink realized when computer program is executed by processor
Data dispatch amount step includes：Uplink data scheduling amount and downlink data dispatching amount are reduced to the single number of carrying voice respectively
It is the positive integer more than 1 according to the 1/N of the current data amount of packet, wherein N.
In one embodiment, following steps are also realized when computer program is executed by processor：In target measurement event
It is detached from weak overlay area for characterization terminal or is detached from when being disturbed second measurement event in region, restores modulation coding scheme etc.
Grade of the grade to before adjusting.
In one embodiment, following steps are also realized when computer program is executed by processor：In target measurement event
It is detached from weak overlay area for characterization terminal or is detached from when being disturbed second measurement event in region, restores modulation coding scheme etc.
Grade of the grade to before adjusting restores the size of uplink data scheduling amount and downlink data dispatching amount to before reducing, after recovery
Uplink data scheduling amount be sent to terminal carry out upstream data transmission, control base station according to the downlink data dispatching amount after recovery into
Row downlink data is sent.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein,
Any reference to memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, under the premise of not departing from the application design, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the protection domain of the application patent should be determined by the appended claims.
Claims (10)
1. a kind of modulation coding scheme method of adjustment, which is characterized in that the method includes：
When detecting that terminal initiates speech business, signal quality measured instruction is issued to the terminal；
Receive the target measurement event obtained according to the signal quality measured instruction that the terminal returns；
It is the first measurement thing that the characterization terminal enters weak overlay area or is disturbed region in the target measurement event
When part, modulation coding scheme grade is reduced.
2. modulation coding scheme method of adjustment according to claim 1, which is characterized in that the method further includes：
It obtains the current error rate of data transmit-receive or carries the current data amount of the single data packet of voice；
The modulation coding scheme grade after reduction is adjusted according to the current error rate or the current data amount
It is whole.
3. modulation coding scheme method of adjustment according to claim 2, which is characterized in that described according to the current error code
Rate or the current data amount are adjusted the modulation coding scheme grade after reduction, including：
When the current error rate increases, the modulation coding scheme grade after the reduction is turned down, in the current error rate
When reduction, the modulation coding scheme grade after the reduction is turned up；
Or
When the current data amount is reduced, the modulation coding scheme grade after the reduction is turned down, in the current data amount
When increase, the modulation coding scheme grade after the reduction is turned up.
4. modulation coding scheme method of adjustment according to claim 1, which is characterized in that be in the target measurement event
The terminal is characterized into weak overlay area or when being disturbed first measurement event in region, reduces modulation coding scheme grade
Including：
It is the first measurement thing that the characterization terminal enters weak overlay area or is disturbed region in the target measurement event
When part, reduce uplink data scheduling amount and downlink data dispatching amount, according to after reduction uplink data scheduling amount and after reducing
Downlink data dispatching amount reduces modulation coding scheme grade, and the uplink data scheduling amount after reduction, which is sent to terminal, carries out uplink
Data are sent, and control base station carries out downlink data transmission according to the downlink data dispatching amount after reduction.
5. modulation coding scheme method of adjustment according to claim 4, the reduction uplink data scheduling amount and lower line number
Include according to scheduling quantum：
Uplink data scheduling amount and downlink data dispatching amount are reduced to the current data of the single data packet of carrying voice respectively
The 1/N of amount, wherein N are the positive integer more than 1.
6. modulation coding scheme method of adjustment according to claim 1 or 2, which is characterized in that the method further includes：
It is that the characterization terminal is detached from weak overlay area or disengaging is disturbed the second of region and surveys in the target measurement event
When amount event, restore grade of the modulation coding scheme grade to before adjusting.
7. modulation coding scheme method of adjustment according to claim 4 or 5, which is characterized in that the method further includes：
It is that the characterization terminal is detached from weak overlay area or disengaging is disturbed the second of region and surveys in the target measurement event
When amount event, restores grade of the modulation coding scheme grade to before turning down, restore uplink data scheduling amount and downlink data dispatching
Uplink data scheduling amount after recovery is sent to terminal and carries out upstream data transmission, control base station by size of the amount to before reducing
Downlink data transmission is carried out according to the downlink data dispatching amount after recovery.
8. a kind of modulation coding scheme adjusting apparatus, which is characterized in that described device includes：
Sending module issues signal quality measured instruction when for detecting that terminal initiates speech business to the terminal；
Receiving module, the target measurement thing obtained according to the signal quality measured instruction returned for receiving the terminal
Part；
Control module, for being to characterize the terminal into weak overlay area or be disturbed region in the target measurement event
The first measurement event when, reduce modulation coding scheme grade.
9. a kind of base station, including memory, processor and storage are on a memory and the computer journey that can run on a processor
Sequence, which is characterized in that the processor realizes any one of claim 1 to 7 the method when executing the computer program
The step of.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claim 1 to 7 is realized when being executed by processor.
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