CN106603194A - Method and apparatus for adjusting modulation and coding scheme, and base station - Google Patents
Method and apparatus for adjusting modulation and coding scheme, and base station Download PDFInfo
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- CN106603194A CN106603194A CN201510680745.1A CN201510680745A CN106603194A CN 106603194 A CN106603194 A CN 106603194A CN 201510680745 A CN201510680745 A CN 201510680745A CN 106603194 A CN106603194 A CN 106603194A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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Abstract
The invention provides a method and apparatus for adjusting a modulation and coding scheme, and a base station. The method comprises: current channel quality information of a service channel, an MCS level of a currently stored VoIP service, and an MCS level of a currently stored non-VoIP service are obtained; according to the current channel quality information, the MCS level of the currently stored VoIP service and the MCS level of the currently stored non-VoIP service are adjusted and all adjusted MCS levels are updated and stored; when a to-be-used service type of a service channel is a non-VoIP service type, the MCS level of the non-VoIP service after adjustment is used as the MCS level of the to-be-used service of the service channel; and when the to-be-used service type of the service channel is a VoIP service type, the MCS level of the VoIP service after adjustment is used as the MCS level of the to-be-used service of the service channel. With the method, a problem that the VoIP service can not adjust the modulation and coding scheme based on real changes of the service channel in the prior art can be solved, so that the channel transmission capability can be improved.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of adjustment Modulation and Coding Scheme
Method, device and base station.
Background technology
Self-adaptative adjustment and coding (Adaptive Modulation and Coding, abbreviation AMC)
It is a kind of link adaptation techniques based on physical layer.The ultimate principle of AMC technologies is to send out
In the case of sending power invariability, by the modulation system and coding effect that adjust transmission of radio links
Rate, it is ensured that the transmission quality of link.It is to select less modulation system when channel condition is poor
With code efficiency；When channel condition is preferably, larger modulation system is selected, so as to maximize
Transfer rate.During the adjustment of AMC, systematic review wishes the data rate for transmitting
It is consistent with the trend of channel variation, so as to the transmittability for substantially utilizing wireless channel.
During the realization of AMC, the different data transfer modulation of 29 kinds of 3GPP protocol definitions
Encoding scheme (Modulation and Coding Scheme, abbreviation MCS) grade, corresponds to
Various order of modulation and code rate, when changes in channel conditions, system is needed according to channel bar
Part selects different MCS schemes to change the impact for bringing with adaptive channel.
TD-LTE system has difference in the control process for carrying out AMC to uplink and downlink
Implementation method.Descending AMC control process：UE to descending public reference signal by examining
Survey, carry out down channel quality measurement；Terminal feeds back channel quality information by feedback channel
To base station side, base station side carries out corresponding downlink transfer according to the channel quality information of feedback
MCS level adjustments.Up AMC control process：Base station side is up by what is sent to terminal
Reference signal detection, carries out uplink signal-channel quality measurement；Base station is according to measured channel quality
Information, carries out the MCS level adjustments of uplink transmission data, and is notified by control signaling
UE。
In actual measurement system, for VoIP business, especially VoIP business adopt RLC UM
During pattern, the voice quality shake caused to HARQ error codes is particularly sensitive, and this will cause it not
The real change of Traffic Channel can well be followed and Modulation and Coding Scheme is adjusted.
The content of the invention
For defect of the prior art, the present invention provides a kind of side of adjustment Modulation and Coding Scheme
Method, device and base station, efficiently solving VoIP business can not well follow the true of Traffic Channel
Consolidation and adjust the problem of Modulation and Coding Scheme, so as to improve the transmittability of channel.
In a first aspect, the present invention provide it is a kind of adjustment Modulation and Coding Scheme method, it is described including：
Obtain Traffic Channel current channel quality information, the MCS of currently stored VoIP business
The MCS grades of grade and non-VoIP business；
According to MCS of the current channel quality information to the currently stored VoIP business
The MCS grades of grade and non-VoIP business are adjusted, and by adjustment after each MCS grades
Update storage；
When Traffic Channel type of service to be used is VoIP business, after adjustment
The MCS grades of VoIP business are used as Traffic Channel MCS grades to be used；
Wherein, the MCS grades of the VoIP business are the type of service in the Traffic Channel
For VoIP business when, the MCS grades that the Traffic Channel is used；The non-VoIP business
MCS grades be the Traffic Channel type of service be non-VoIP business when, the industry
The MCS grades that business channel is used.
Preferably, methods described also includes：
When Traffic Channel type of service to be used is non-VoIP business, after adjustment
The MCS grades of non-VoIP business are used as Traffic Channel MCS grades to be used.
Preferably, methods described also includes：
It is VoIP business in the current type of service of the Traffic Channel, and it is described to receive expression
During the configured information that the data of Traffic Channel are not correctly received, by currently used VoIP business
MCS grades lower predetermined level, and the MCS grades of the VoIP business after downward are stored.
Preferably, when the channel quality information of Traffic Channel is obtained first, by business letter
The currently used MCS grades in road are worked as the initial MCS grades of non-VoIP business by described
The front MCS grades for using subtract 1 as the initial MCS grades of VoIP business, and according to first
Initial MCS grade and VoIP business of the channel quality information of acquisition to the non-VoIP business
Initial MCS grades be adjusted.
Preferably, it is described according to the current channel quality information to the currently stored VoIP
The MCS grades of the MCS grades of business and non-VoIP business are adjusted, and by after adjustment
Each MCS grades update storage, including：
According to the current channel quality information and the mapping relations of MCS grades and channel quality,
Determine the corresponding MCS grades of the current channel quality information；
Described MCS etc. is less than in the MCS grades of the currently stored non-VoIP business
During level, the MCS grades of the currently stored non-VoIP business are raised；
According to the rise number of degrees of the MCS grades of the non-VoIP business and currently stored non-
Relation between the MCS grades of VoIP business and the MCS grades of VoIP business, to described
The MCS grades of currently stored VoIP business are raised；
The MCS grades of the non-VoIP business after by rise and the MCS grades of non-VoIP business
Update storage.
Preferably, it is described according to the current channel quality information to the currently stored VoIP
The MCS grades of the MCS grades of business and non-VoIP business are adjusted, and by after adjustment
Each MCS grades update storage, also include：
It is more than described MCS etc. in the MCS grades of the currently stored non-VoIP business
During level, the MCS grades of the currently stored non-VoIP business are lowered；
According to the downward number of degrees of the MCS grades of the non-VoIP business and currently stored non-
Relation between the MCS grades of VoIP business and the MCS grades of VoIP business, to described
The MCS grades of currently stored VoIP business are lowered；
The MCS grades of the non-VoIP business after by downward and the MCS grades of non-VoIP business
Update storage.
Second aspect, the present invention provides a kind of device of adjustment Modulation and Coding Scheme, described device
Including：
Channel quality information acquiring unit, for obtain Traffic Channel current channel quality information,
The MCS grades of the MCS grades of currently stored VoIP business and non-VoIP business；
MCS level adjustment units, for according to the current channel quality information to described current
The MCS grades of the MCS grades of the VoIP business of storage and non-VoIP business are adjusted,
And by adjustment after each MCS grades update storage；
MCS level de-termination units to be used, in Traffic Channel service class to be used
When type is VoIP business, the MCS grades of the VoIP business after adjustment are believed as the business
Road MCS grades to be used；
Wherein, the MCS grades of the VoIP business are the type of service in the Traffic Channel
For VoIP business when, the MCS grades that the Traffic Channel is used；The non-VoIP business
MCS grades be the Traffic Channel type of service be non-VoIP business when, the industry
The MCS grades that business channel is used.
Preferably, the MCS level de-termination units to be used, are additionally operable in the Traffic Channel
Type of service to be used be non-VoIP business when, by adjustment after non-VoIP business MCS
Grade is used as Traffic Channel MCS grades to be used.
Preferably, the MCS level adjustment units, are additionally operable to current in the Traffic Channel
Type of service is VoIP business, and receives and represent that the data of the Traffic Channel are not correctly connect
During the configured information of receipts, the MCS grades of currently used VoIP business are lowered into predetermined level,
And store the MCS grades of the VoIP business after downward.
The third aspect, the present invention provides a kind of base station, including above-mentioned adjustment Modulation and Coding Scheme
Device.
As shown from the above technical solution, method, the device of adjustment Modulation and Coding Scheme of the invention
And base station, by the MCS according to current channel quality information to currently stored VoIP business
The MCS grades of grade and non-VoIP business are adjusted, in Traffic Channel business to be used
When type is VoIP business, using the MCS grades of the VoIP business after adjustment as Traffic Channel
MCS grades to be used；When Traffic Channel type of service to be used is non-VoIP business,
The MCS grades of the non-VoIP business after using adjustment are used as Traffic Channel MCS to be used etc.
Level.Said method efficiently solves VoIP business and can not well follow the true change of Traffic Channel
Change and the problem of adjustment Modulation and Coding Scheme, so as to improve the transmittability of channel.
Description of the drawings
The flow process of the method for the adjustment Modulation and Coding Scheme that Fig. 1 is provided for one embodiment of the invention is shown
It is intended to；
The flow process of the method for the adjustment Modulation and Coding Scheme that Fig. 2 is provided for another embodiment of the present invention
Schematic diagram；
The structure of the device of the adjustment Modulation and Coding Scheme that Fig. 3 is provided for one embodiment of the invention is shown
It is intended to.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below will knot
Close the embodiment of the present invention in accompanying drawing, the technical scheme in the embodiment of the present invention is carried out it is clear,
Complete description, it is clear that described embodiment is only a part of embodiment of the invention, and
It is not all, of embodiment.Based on embodiments of the invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under the premise of creative work, belong to the present invention
The scope of protection.
Fig. 1 shows the stream of the method for the adjustment Modulation and Coding Scheme that one embodiment of the invention is provided
Journey schematic diagram, as shown in figure 1, the following institute of method of the adjustment Modulation and Coding Scheme of the present embodiment
State.
101st, Traffic Channel current channel quality information, currently stored VoIP business are obtained
The MCS grades of MCS grades and non-VoIP business.
It should be noted that the MCS grades of above-mentioned VoIP business are in the Traffic Channel
Type of service be VoIP business when, the MCS grades that the Traffic Channel is used；It is described
The MCS grades of non-VoIP business be the Traffic Channel type of service be non-VoIP business
When, the MCS grades that the Traffic Channel is used.
It will be appreciated that the channel quality of Traffic Channel is real-time change, it is therefore desirable to according to
The current channel quality of Traffic Channel Traffic Channel to after needs the MCS grades for using to carry out
Adjustment, to adapt to the channel quality of the change of the Traffic Channel.Because VoIP business is to because of HARQ
The voice quality shake that error code causes is particularly sensitive, is the low error rate for ensureing VoIP business, this
The type of service of embodiment differentiated service channel bearing, is obtaining Traffic Channel present channel quality
During information, VoIP business and non-VoIP business are set respectively.
102nd, according to the current channel quality information to the currently stored VoIP business
The MCS grades of MCS grades and non-VoIP business are adjusted, and by adjustment after each MCS
Grade updates storage.
For example, channel quality information can be channel quality indicator (CQI).Can be by obtaining letter
Road quality indicator (CQI) determining present channel quality, so as to the MCS grades to VoIP business
And the MCS grades of the non-VoIP business are adjusted.
In actual applications, above-mentioned step 102 also includes the sub-step 1021 not shown in figure
To sub-step 1024.
1021st, according to the mapping of the current channel quality information and MCS grades and channel quality
Relation, determines the corresponding MCS grades of the current channel quality information.
Determining the MCS grades and an above-mentioned MCS of currently stored non-VoIP business
After grade, according to the MCS grades of currently stored non-VoIP business and a MCS grades
Magnitude relationship is grading to the MCS of the MCS grades of above-mentioned non-VoIP business and VoIP business etc.
Row adjustment.When the MCS grades of currently stored non-VoIP business are less than a MCS grades,
Execution step 1022 is to step 1024；It is big in the MCS grades of currently stored non-VoIP business
When a MCS grades, execution step 1022 ' to step 1024 '.
When the MCS grades of currently stored non-VoIP business are less than a MCS grades：
1022nd, the MCS grades in the currently stored non-VoIP business are less than described first
During MCS grades, the MCS grades of the currently stored non-VoIP business are raised；
1023rd, deposit according to the rise number of degrees of the MCS grades of the non-VoIP business and currently
Relation between the MCS grades of non-VoIP business and the MCS grades of VoIP business of storage,
The MCS grades of the currently stored VoIP business are raised；
1024th, by rise after non-VoIP business MCS grades and the MCS of non-VoIP business
Grade updates storage.
When the MCS grades of currently stored non-VoIP business are more than a MCS grades：
1022 ', the MCS grades in the currently stored non-VoIP business are more than described first
During MCS grades, the MCS grades of the currently stored non-VoIP business are lowered；
1023 ', deposit according to the downward number of degrees of the MCS grades of the non-VoIP business and currently
Relation between the MCS grades of non-VoIP business and the MCS grades of VoIP business of storage,
The MCS grades of the currently stored VoIP business are lowered；
1024 ', by downward after non-VoIP business MCS grades and the MCS of non-VoIP business
Grade updates storage.
For example, if the MCS grades of currently stored non-VoIP business are 9, VoIP industry
The MCS grades of business are 8, and an above-mentioned MCS grades are 10, then by above-mentioned non-VoIP
The MCS grades of business and the MCS grades of VoIP business raise one-level simultaneously, non-after rise
The MCS grades of VoIP business are 9 for the MCS grades of 10, VoIP business, and after raising
Non- VoIP business MCS grades and raise after VoIP business MCS grades update deposit
Storage.
It is VoIP in the current type of service of the Traffic Channel in a kind of enforceable mode
Business, and receive when representing configured information that the data of the Traffic Channel are not correctly received,
The MCS grades of currently used VoIP business are lowered into predetermined level, and by the VoIP after downward
The MCS grades storage of business.
103rd, when Traffic Channel type of service to be used is VoIP business, will adjust
The MCS grades of VoIP business afterwards are used as Traffic Channel MCS grades to be used.
It will be appreciated that the voice quality shake due to VoIP business to causing because of HARQ error codes
It is particularly sensitive, it is the low error rate for ensureing VoIP business, in Traffic Channel carrying VoIP service
When, using the MCS grades of the VoIP business after adjustment, to adapt it to the letter being continually changing
Road quality, and ensure the transmission quality of VoIP business.
Similarly, when Traffic Channel type of service to be used is non-VoIP business, will
The MCS grades of the non-VoIP business after adjustment are used as Traffic Channel MCS to be used etc.
Level.
The method of the adjustment Modulation and Coding Scheme of the present embodiment, by being believed according to present channel quality
Cease the MCS of the MCS grades to currently stored VoIP business and non-VoIP business etc. grading
Row adjustment, when Traffic Channel type of service to be used is VoIP business, by the VoIP after adjustment
The MCS grades of business are used as Traffic Channel MCS grades to be used；In the Traffic Channel
Type of service to be used be non-VoIP business when, by adjustment after non-VoIP business MCS
Grade is used as Traffic Channel MCS grades to be used.Said method efficiently solves VoIP
Business can not well follow the real change of Traffic Channel and adjust asking for Modulation and Coding Scheme
Topic, so as to improve the transmittability of channel.
In a kind of enforceable mode, in the channel quality information for obtaining Traffic Channel first
When, using the currently used MCS grades of the Traffic Channel as non-VoIP business initial MCS
Grade, the currently used MCS grades are subtracted 1 as VoIP business initial MCS etc.
Level, and the initial MCS according to the channel quality information for obtaining first to the non-VoIP business
The initial MCS grades of grade and VoIP business are adjusted.
Specifically, when Traffic Channel current channel quality information is obtained first, to VoIP business
With the setting that non-VoIP business carries out respectively initial MCS grades, in the non-VoIP business for obtaining
Initial MCS grades on the basis of again by MCS grades lower one-level, as VoIP business
Initial MCS grades, to ensure Traffic Channel transmission quality when VoIP business is carried out.
For example, for general business, i.e., above-mentioned non-VoIP business, its initial MCS
Grade can be currently used MCS grades, be expressed as MCS_Normal；For VoIP industry
Business, can set lower level of its initial MCS grade as currently used MCS grades, represent
For MCS_VoIP, i.e. MCS_VoIP=MCS_Normal-1.
In actual applications, also the initial grade of non-VoIP business can be arranged according to practical situation
For an empirical value, the empirical value is subtracted 1 as VoIP business initial grade.The present invention is not right
The value of each initial MCS grades is defined.
Channel quality information is obtained each time to describe in detail, and according to the channel quality information pair
VoIP business and the corresponding MCS grades of non-VoIP business are adjusted situation, following with any
Once obtain as a example by channel quality information, its MCS level adjustment situation is illustrated.As schemed
Shown in 2, the method for the adjustment Modulation and Coding Scheme of the present embodiment is as described below.
201st, Traffic Channel current channel quality information, currently stored VoIP business are obtained
The MCS grades of MCS grades and non-VoIP business.
202nd, according to the current channel quality information to the currently stored VoIP business
The MCS grades of MCS grades and non-VoIP business are adjusted, and by adjustment after each MCS
Grade updates storage.
It should be noted that under normal circumstances, to the MCS grades of above-mentioned VoIP business (under
State and represented with MCS_VoIP) and the MCS grades of non-VoIP business it is (following to use MCS_Normal
Statement) carry out the adjustment of same levels number.But when Traffic Channel is VoIP business, before carrying out
After MCS level adjustments once, it may appear that some following special circumstances, go out in scenario described below
MCS level adjustments should be carried out according to practical situation now.
1) after front once adjustment, currently stored MCS_Normal is highest ranking, i.e.,
MCS_Normal=28, the then MCS_VoIP=27 after previous adjustment.Now, if root
Still meet the rise condition of AMC mechanism according to current channel quality information, then to MCS_VoIP
Raised, 28 will be adjusted on MCS_VoIP, and MCS_Normal is not adjusted,
MCS_Normal=MCS_VoIP=28 i.e. now.
2) it is front once adjust after, currently stored MCS_Normal=1 or 0, if according to work as
Front channel quality information still meets the downward condition of AMC mechanism, then lowering MCS_VoIP makes
MCS_VoIP=0, and no longer downward adjustment is carried out to it.
3) after front once adjustment, currently stored MCS_Normal=MCS_VoIP=28,
If now needing to lower each MCS grades, the MCS grades of non-VoIP business are adjusted
For MCS_Normal-m, the MCS grades of VoIP business are MCS_Normal-m-1, and m is
Lower series.
4) after front once adjustment, the type of service of Traffic Channel is VoIP business, and is received
To the configured information that the data of the Traffic Channel are not correctly received is represented, then will be currently used
VoIP business MCS grades lower predetermined level, i.e., it is currently stored
MCS_VoIP=MCS_Normal-p, p are the positive integer more than or equal to 2.If according to actual letter
Road quality condition needs to lower q levels to MCS grades, and q is the positive integer less than p, then only should
Q levels are lowered to MCS_Normal, and MCS_VoIP is not lowered, that is, after lowering
The MCS grades of non-VoIP business are MCS_Normal-q；The MCS grades of VoIP business are still
For MCS_VoIP=MCS_Normal-p.
As it was previously stated, when q is the positive integer more than or equal to p, then making the VoIP industry after downward
The MCS grades of business are the lower level of the MCS grades of non-VoIP business, that is, non-after lowering
The MCS grades of VoIP business are MCS_Normal-q；The MCS grades of VoIP business are
MCS_VoIP=MCS_Normal-q-1.
5) after front once adjustment, the type of service of Traffic Channel is VoIP business, and is received
To the configured information that the data of the Traffic Channel are not correctly received is represented, then will be currently used
VoIP business MCS grades lower predetermined level, i.e., it is currently stored
MCS_VoIP=MCS_Normal-p, p are the positive integer more than or equal to 2.If according to actual letter
Road quality condition needs to raise q levels to MCS grades, then should by MCS_Normal and
MCS_VoIP is raised, and the MCS grades of the non-VoIP business after rise are MCS_Normal+q；
The MCS grades of VoIP business are MCS_Normal+q-1.
203rd, whether Traffic Channel type of service to be used is judged as VoIP business,
When Traffic Channel type of service to be used is VoIP business, execution step 204；Institute
State Traffic Channel type of service to be used for non-VoIP business when, execution step 205.
204th, when Traffic Channel type of service to be used is VoIP business, will adjust
The MCS grades of VoIP business afterwards are used as Traffic Channel MCS grades to be used.
205th, when Traffic Channel type of service to be used is non-VoIP business, will adjust
The MCS grades of the non-VoIP business after whole are used as Traffic Channel MCS to be used etc.
Level.
It should be noted that the non-VoIP business described in the present embodiment is in addition to VoIP business
General business.
In a kind of mode of possible enforcement, it is in the current type of service of the Traffic Channel
VoIP business, and receive the instruction letter for representing that the data of the Traffic Channel are not correctly received
During breath, the MCS grades of currently used VoIP business can be lowered predetermined level, and by under
The MCS grades storage of the VoIP business after tune, so as to grading to the MCS of VoIP business etc.
The more flexible adjustment of row, so that its adaptive channel mass change.Correspondingly, letter is obtained next time
During road quality information, using the MCS grades of the VoIP business after downward as currently stored VoIP
The MCS grades of business.
The method of the adjustment Modulation and Coding Scheme of the present embodiment, by being believed according to present channel quality
Cease the MCS of the MCS grades to currently stored VoIP business and non-VoIP business etc. grading
Row adjustment, when Traffic Channel type of service to be used is VoIP business, by the VoIP after adjustment
The MCS grades of business are used as Traffic Channel MCS grades to be used；Wait to make in Traffic Channel
Type of service be non-VoIP business when, by adjustment after non-VoIP business MCS grades
As Traffic Channel MCS grades to be used.Said method efficiently solves VoIP business not
The real change of Traffic Channel can well be followed and the problem of Modulation and Coding Scheme is adjusted, so as to
Improve the transmittability of channel.
Fig. 3 shows the device of the adjustment Modulation and Coding Scheme that one embodiment of the invention is provided, such as
Described in Fig. 3, the device of the adjustment Modulation and Coding Scheme of the present embodiment includes：Channel quality information
Acquiring unit 31, MCS level adjustment units 32 and MCS level de-termination units 33 to be used.
Wherein, channel quality information acquiring unit 31, for obtaining Traffic Channel present channel matter
MCS of amount information, the MCS grades of currently stored VoIP business and non-VoIP business etc.
Level；
MCS level adjustment units 32, for being worked as to described according to the current channel quality information
The MCS grades of the MCS grades of the VoIP business of front storage and non-VoIP business are adjusted,
And by adjustment after each MCS grades update storage；
MCS level de-termination units 33 to be used, in Traffic Channel business to be used
When type is VoIP business, using the MCS grades of the VoIP business after adjustment as the business
Channel MCS grades to be used；
Wherein, the MCS grades of the VoIP business are the type of service in the Traffic Channel
For VoIP business when, the MCS grades that the Traffic Channel is used；The non-VoIP business
MCS grades be the Traffic Channel type of service be non-VoIP business when, the industry
The MCS grades that business channel is used.
Alternatively, the MCS level de-termination units 33 to be used, are additionally operable to believe in the business
Road type of service to be used be non-VoIP business when, by adjustment after non-VoIP business MCS
Grade is used as Traffic Channel MCS grades to be used.
Alternatively, the MCS level adjustment units 32, are additionally operable to current in the Traffic Channel
Type of service be VoIP business, and receive and represent that the data of the Traffic Channel are not correct
During the configured information of reception, the MCS grades of currently used VoIP business are lowered default etc.
Level, and the MCS grades of the VoIP business after downward are stored.
Alternatively, MCS level adjustment units 32, specifically for according to the present channel quality
Information and MCS grades and the mapping relations of channel quality, determine the current channel quality information
A corresponding MCS grades；
Described MCS etc. is less than in the MCS grades of the currently stored non-VoIP business
During level, the MCS grades of the currently stored non-VoIP business are raised；
According to the rise number of degrees of the MCS grades of the non-VoIP business and currently stored non-
Relation between the MCS grades of VoIP business and the MCS grades of VoIP business, to described
The MCS grades of currently stored VoIP business are raised；
The MCS grades of the non-VoIP business after by rise and the MCS grades of non-VoIP business
Update storage.
Alternatively, above-mentioned MCS level adjustment units 32, are additionally operable to described currently stored
When the MCS grades of non-VoIP business are more than a MCS grades, to described currently stored
The MCS grades of non-VoIP business lowered；
According to the downward number of degrees of the MCS grades of the non-VoIP business and currently stored non-
Relation between the MCS grades of VoIP business and the MCS grades of VoIP business, to described
The MCS grades of currently stored VoIP business are lowered；
The MCS grades of the non-VoIP business after by downward and the MCS grades of non-VoIP business
Update storage.
The device of the adjustment Modulation and Coding Scheme of the present embodiment, can be used for performing above-mentioned Fig. 1 or
The technical scheme of embodiment of the method shown in Fig. 2, it realizes that principle is similar with technique effect, herein
Repeat no more.
The device of the adjustment Modulation and Coding Scheme of the present embodiment, by being believed according to present channel quality
Cease the MCS of the MCS grades to currently stored VoIP business and non-VoIP business etc. grading
Row adjustment, when Traffic Channel type of service to be used is VoIP business, by the VoIP after adjustment
The MCS grades of business are used as Traffic Channel MCS grades to be used；Wait to make in Traffic Channel
Type of service be non-VoIP business when, by adjustment after non-VoIP business MCS grades
As Traffic Channel MCS grades to be used.Said method efficiently solves VoIP business not
The real change of Traffic Channel can well be followed and the problem of Modulation and Coding Scheme is adjusted, so as to
Improve the transmittability of channel.
The embodiment of the present invention also provides a kind of base station, and the base station of the present embodiment includes any of the above-described tune
The device of whole Modulation and Coding Scheme, can perform the adjustment modulating-coding shown in above-mentioned Fig. 1 or Fig. 2
The method of scheme is adjusted to the Modulation and Coding Scheme of Traffic Channel.
The base station of the present embodiment, by according to current channel quality information to currently stored VoIP
The MCS grades of the MCS grades of business and non-VoIP business are adjusted, and treat in Traffic Channel
When the type of service for using is VoIP business, the MCS grades of the VoIP business after adjustment are made
For Traffic Channel MCS grades to be used；It is non-in Traffic Channel type of service to be used
During VoIP business, using adjustment after the MCS grades of non-VoIP business wait to make as Traffic Channel
MCS grades.Said method efficiently solves VoIP business and can not well follow business
The real change of channel and adjust the problem of Modulation and Coding Scheme, so as to improve the transmission energy of channel
Power.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme,
Rather than a limitation；Although being described in detail to the present invention with reference to foregoing embodiments,
It will be understood by those within the art that：It still can be to described in foregoing embodiments
Technical scheme modify, either equivalent is carried out to which part or all technical characteristic and is replaced
Change；And these modifications or replacement, do not make the essence disengaging present invention power of appropriate technical solution
Profit requires limited range.
Claims (10)
1. it is a kind of adjustment Modulation and Coding Scheme method, it is characterised in that methods described includes：
Obtain Traffic Channel current channel quality information, the MCS of currently stored VoIP business
The MCS grades of grade and non-VoIP business；
According to MCS of the current channel quality information to the currently stored VoIP business
The MCS grades of grade and non-VoIP business are adjusted, and by adjustment after each MCS grades
Update storage；
When Traffic Channel type of service to be used is VoIP business, after adjustment
The MCS grades of VoIP business are used as Traffic Channel MCS grades to be used；
Wherein, the MCS grades of the VoIP business are the type of service in the Traffic Channel
For VoIP business when, the MCS grades that the Traffic Channel is used；The non-VoIP business
MCS grades be the Traffic Channel type of service be non-VoIP business when, the industry
The MCS grades that business channel is used.
2. method according to claim 1, it is characterised in that methods described also includes：
When Traffic Channel type of service to be used is non-VoIP business, after adjustment
The MCS grades of non-VoIP business are used as Traffic Channel MCS grades to be used.
3. method according to claim 1, it is characterised in that methods described also includes：
It is VoIP business in the current type of service of the Traffic Channel, and it is described to receive expression
During the configured information that the data of Traffic Channel are not correctly received, by currently used VoIP business
MCS grades lower predetermined level, and the MCS grades of the VoIP business after downward are stored.
4. method according to claim 1, it is characterised in that obtaining business letter first
During the channel quality information in road, using the currently used MCS grades of the Traffic Channel as non-
The initial MCS grades of VoIP business, subtract 1 as VoIP using the currently used MCS grades
The initial MCS grades of business, and according to the channel quality information for obtaining first to the non-VoIP
The initial MCS grades of business and the initial MCS grades of VoIP business are adjusted.
5. method according to claim 1, it is characterised in that described according to described current
MCS grade and non-VoIP business of the channel quality information to the currently stored VoIP business
MCS grades be adjusted, and by adjustment after each MCS grades update storage, including：
According to the current channel quality information and the mapping relations of MCS grades and channel quality,
Determine the corresponding MCS grades of the current channel quality information；
Described MCS etc. is less than in the MCS grades of the currently stored non-VoIP business
During level, the MCS grades of the currently stored non-VoIP business are raised；
According to the rise number of degrees of the MCS grades of the non-VoIP business and currently stored non-
Relation between the MCS grades of VoIP business and the MCS grades of VoIP business, to described
The MCS grades of currently stored VoIP business are raised；
The MCS grades of the non-VoIP business after by rise and the MCS grades of non-VoIP business
Update storage.
6. method according to claim 1, it is characterised in that described according to described current
MCS grade and non-VoIP business of the channel quality information to the currently stored VoIP business
MCS grades be adjusted, and by adjustment after each MCS grades update storage, also include：
It is more than described MCS etc. in the MCS grades of the currently stored non-VoIP business
During level, the MCS grades of the currently stored non-VoIP business are lowered；
According to the downward number of degrees of the MCS grades of the non-VoIP business and currently stored non-
Relation between the MCS grades of VoIP business and the MCS grades of VoIP business, to described
The MCS grades of currently stored VoIP business are lowered；
The MCS grades of the non-VoIP business after by downward and the MCS grades of non-VoIP business
Update storage.
7. it is a kind of adjustment Modulation and Coding Scheme device, it is characterised in that described device includes：
Channel quality information acquiring unit, for obtain Traffic Channel current channel quality information,
The MCS grades of the MCS grades of currently stored VoIP business and non-VoIP business；
MCS level adjustment units, for according to the current channel quality information to described current
The MCS grades of the MCS grades of the VoIP business of storage and non-VoIP business are adjusted,
And by adjustment after each MCS grades update storage；
MCS level de-termination units to be used, in Traffic Channel service class to be used
When type is VoIP business, the MCS grades of the VoIP business after adjustment are believed as the business
Road MCS grades to be used；
Wherein, the MCS grades of the VoIP business are the type of service in the Traffic Channel
For VoIP business when, the MCS grades that the Traffic Channel is used；The non-VoIP business
MCS grades be the Traffic Channel type of service be non-VoIP business when, the industry
The MCS grades that business channel is used.
8. device according to claim 7, it is characterised in that the MCS to be used
Level de-termination unit, it is non-VoIP industry to be additionally operable in Traffic Channel type of service to be used
During business, using adjustment after non-VoIP business MCS grades it is to be used as the Traffic Channel
MCS grades.
9. device according to claim 7, it is characterised in that the MCS grades are adjusted
Whole unit, it is VoIP business to be additionally operable in the current type of service of the Traffic Channel, and is received
When configured information that the data of the Traffic Channel are not correctly received is represented, will be currently used
The MCS grades of VoIP business lower predetermined level, and by the VoIP business after downward
MCS grades are stored.
10. a kind of base station, it is characterised in that include as described in any one of claim 7 to 9
Adjustment Modulation and Coding Scheme device.
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