CN108418652A - A kind of modulation coding method of data service - Google Patents
A kind of modulation coding method of data service Download PDFInfo
- Publication number
- CN108418652A CN108418652A CN201710070436.1A CN201710070436A CN108418652A CN 108418652 A CN108418652 A CN 108418652A CN 201710070436 A CN201710070436 A CN 201710070436A CN 108418652 A CN108418652 A CN 108418652A
- Authority
- CN
- China
- Prior art keywords
- mcs
- type
- types
- service
- modulation coding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- 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
Abstract
This application provides a kind of modulation coding method of data service, this method includes：Base station configures M MCS type；Wherein, each MCS types include more than one MCS, and the corresponding modulation coding information of each MCS includes modulation system and code check；When base station needs to carry out data traffic transmission to terminal, MCS types is determined according to the type of service of the business, and the MCS in the MCS types is selected according to current channel condition, the corresponding modulation coding informations of the MCS of selection are notified to the terminal；Base station needs the data service transmitted using the corresponding modulation coding information processing of MCS of selection, and is sent to the terminal；After terminal receives the modulation coding information of base station notice, the reception of data is carried out using the modulation coding information.This method can reduce the expense of system call and feedback.
Description
Technical field
The present invention relates to radio transmission technical field, more particularly to a kind of modulation coding method of data service.
Background technology
With the appearance of the technology more based on wireless transmission, the demand of time delay is also increasingly stringenter.It is especially right
It is even more multifarious compared to traditional Internet data transmission in the requirement of the different application of different industries, time delay.
Following network Development, supports interconnecting as trend of the times for data.It so can in following network
The parallel transmission of multiple business is supported just to seem particularly critical simultaneously.
To support the business simultaneous transmission of different delay, most important mode to be different business using different minimum hairs
Send element length (TUI).The business high to delay requirement uses smaller TUI, and to the low business of delay requirement using opposite
Big TUI.Support that the TUI of different business can be dynamically multiplexed over time and frequency.
On the other hand dimension needed to be considered is reliability.Different business is different not only for the requirement of time delay,
Simultaneously for also there is different requirements in reliability.When the combination of time delay and reliability to support low simultaneously in real network
Prolong with high reliability business, this also brings challenge to the design of network.Support for highly reliable business, most important mode
It is that special encoding scheme is used to highly reliable business.
For general communication system, transmitting terminal needs to be modulated and encode to sending information, and control letter is then added
Breath, to indicate the specific modulation coding scheme for sending information, receiving terminal is according to the control information of transmitting terminal and the data that receive
Information is demodulated and decoded accordingly, restores the information of transmitting terminal.For different business, due to for time delay and can
Difference is required by property, also has different demands to the required modulation coding scheme taken.It is covered using a set of Modulation and Coding Scheme
All business are covered, main problem is that Modulation and Coding Scheme quantity is excessive, to bring many overheads to control information.
Invention content
In view of this, the application provides a kind of modulation coding method of data service, system call and feedback can be reduced
Expense.
In order to solve the above technical problems, what the technical solution of the application was realized in：
A kind of modulation coding method of data service, this method include：
Base station configures M modulating-coding grade MCS type；Wherein, each MCS types include more than one MCS, each
The corresponding modulation coding informations of MCS include modulation system and code check；Wherein, M is the integer more than 1；
When the base station needs to carry out data traffic transmission to terminal, MCS types are determined according to the type of service of the business,
And the MCS in the MCS types is selected according to current channel condition, the corresponding modulation coding informations of the MCS of selection are notified to institute
State terminal；
The base station needs the data service transmitted using the corresponding modulation coding information processing of MCS of selection, and sends
To the terminal；
After the terminal receives the modulation coding information of base station notice, connecing for data is carried out using the modulation coding information
It receives.
As can be seen from the above technical solution, more set Modulation and Coding Scheme are carried out according to the difference of type of service in the application
Setting, so that different service types is carried out better MCS supports, and the expense of system call and feedback can be reduced.
Description of the drawings
Fig. 1 is the coded modulation flow diagram of data service in the embodiment of the present application.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and examples,
Technical scheme of the present invention is described in detail.
A kind of data service modulation coding method scheme is provided in the embodiment of the present application, according to the difference of type of service, into
The setting of the more set Modulation and Coding Scheme of row makes different service types carry out better modulating-coding grade (MCS) and supports, and energy
Enough reduce the expense of system call and feedback.
In specific implementation, base station need to be pre-configured with M MCS type；Wherein, each MCS types include more than one
MCS, i.e., each MCS types include that the number of MCS is not less than 1；And M MCS type includes that the number of MCS identical also can may be used
With difference；Each corresponding modulation coding informations of MCS include modulation system and code check；Wherein, M is the integer more than 1.
Different types of service has corresponding MCS types (MCS Type) to be supported.Such as the business of ordinary data traffic
Type can correspond to MCS Class1 (MCS Type1), and the type of service of the highly reliable business of low time delay can correspond to MCS types 2
(MCS Type2)。
There are multiple Modulation and Coding Scheme in each MCS types.Referring to table 1, table 1 is the content that MCS Type include.
Table 1
The corresponding modulation intelligences of MCS Type1 are given in table 1, are not directed to a kind of acts of other MCS Type mono- here.Table 1
In a MCS is indicated per a line, MCS is made of number, modulation system and code check.Modulation system alternative be BPSK QPSK
16QAM 64QAM 256QAM 1024QAM, code check be more than 0 be less than 1 real number.
Below in conjunction with the accompanying drawings, the coded modulation process that data service is realized in the embodiment of the present application is described in detail.
It is the coded modulation flow diagram of data service in the embodiment of the present application referring to Fig. 1, Fig. 1.The specific steps are：
Step 101, when base station needs to carry out data traffic transmission to terminal, MCS is determined according to the type of service of the business
Type, and the MCS in the MCS types is selected according to current channel condition, the corresponding modulation coding informations of the MCS of selection are notified
To the terminal.
Step 102, which needs the data service transmitted using the corresponding modulation coding information processing of MCS of selection,
And it is sent to the terminal.
Step 103, after terminal receives the modulation coding information that base station notifies, the modulation coding information is used to carry out data
Reception.
Base station can flexibly use the MCS in different MCS types and MCS types according to type of service.It is given below three
The method that kind selected, sent the modulation coding information of MCS：
The first realization method：The configuration mode that base station configures M MCS type is dynamic configuration.MCS Type are by controlling
Channel is included according to type of service dynamic instruction, different MCS Type among control signaling.MCS in control signaling
Type instructions can be indicated by individual information；Since control message length is provided by standard default, for example standard supports 4 kinds
Message length is controlled, each length corresponds to a MCS Type, accordingly it is also possible to which length according to the control information indicates.
In second and the third realization method, the public affairs that the MCS in each MCS types is divided into the MCS types are needed
Region and reserved area altogether, wherein the corresponding modulation coding informations of each MCS in public domain are by two in M MCS type
Above MCS types share, i.e., the MCS in the public domain of each MCS types can be at least one other MCS types
It is found in public domain.
Second and the third realization method are described below in detail：
Second of realization method：
The configuration mode that base station configures M MCS type is when being semi-statically configured, by high-level signaling configuration service type and
The mapping relations of MCS types.
When base station determines MCS types according to the type of service of business, according to the type of service of the business, and configuration is reflected
The relationship of penetrating determines corresponding MCS types；
Within the configuration MCS type transition periods, when selecting the MCS in the MCS types according to current channel condition, selection should
The MCS in public domain in MCS types.
The message of MCS type conversions is carried by high-level signaling, and when the high-level signaling is sent and terminal receives the letter
It ceases and this period for carrying out conversion MCS Type is the transition period.This period, i.e., terminal is also according to original in the transition period
MCS Type carry out the reception of data, send, but the data that base station carries out during this transmit and receive and use public domain
Interior MCS.
The third realization method：
Base station configure M MCS type configuration mode be different business multiplexing dynamic configuration when, configuration service type and
The mapping relations of MCS types；
According to the type of service of the business when base station determines MCS types according to the type of service of the business, and configuration
Mapping relations determine corresponding MCS types.
In this manner, when base station notifies the corresponding modulation coding informations of the MCS of selection to the terminal, pass through two
Kind control information is sent：
The modulation coding information of the corresponding MCS of data traffic types in data traffic types except particular traffic type,
It is sent by general-purpose control information；
The modulation coding information of the corresponding MCS of type of service except the type of service sent by general-purpose control information,
It is sent by dedicated control information；
Wherein, it when selecting the MCS in the MCS types according to current channel condition, is selected for the particular traffic type,
The corresponding MCS types of data traffic types, MCS classes corresponding with the dedicated control information transmission type of service of modulating-coding is used
Identical MCS in public domain in type.
There are many kinds of general-purpose control informations, such as slow DCI；
Dedicated control information also there are many kinds of, such as fast DCI.
Specific transactions in data service are low time delay business, high reliability business, ELF magnetic field business etc..As and VR
Relevant with car networking is the highly reliable business of low time delay, the internet of things service connected greatly.In data service except specific transactions
Business be known as common data services, such as general FTP and web page browsing.
In specific implementation, MCS number needed for different service types is different, is all configured for each type of service more
A MCS, the MCS number that each MCS type include is identical or differs.Technical solution provided by the present application is compared to using one
A big MCS type can save the expense that MCS is sent when each transmission, and such as 32 state MCS need 5bit to indicate, and 16 shapes
State MCS only needs 4bit to indicate.
In conclusion the application passes through more set MCS Type Frame Designs for different business reliability；If necessary
The division of public domain and proprietary region is carried out for every set MCS Type；For different business multiplexed situation, cover MCS more
The flexible operational version of Type.Better MCS grades can be carried out by the application to the type of different business to support, while more
The design of set MCS Type can also effectively reduce the expense of system call and feedback.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (5)
1. a kind of modulation coding method of data service, which is characterized in that this method includes：
Base station configures M modulating-coding grade MCS type；Wherein, each MCS types include more than one MCS, each MCS pairs
The modulation coding information answered includes modulation system and code check；Wherein, M is the integer more than 1；
When the base station needs to carry out data traffic transmission to terminal, MCS types, and root are determined according to the type of service of the business
The MCS in the MCS types is selected according to current channel condition, the corresponding modulation coding informations of the MCS of selection were notified to the end
End；
The base station needs the data service transmitted using the corresponding modulation coding information processing of MCS of selection, and is sent to institute
State terminal；
After the terminal receives the modulation coding information of base station notice, the reception of data is carried out using the modulation coding information.
2. according to the method described in claim 1, it is characterized in that,
It is described that MCS is determined according to the type of service of the business when configuration mode that base station configures M MCS type is dynamic configuration
When type, according to the type of service of business by control channel dynamic instruction MCS types.
3. according to the method described in claim 1, it is characterized in that, the method further includes：In each MCS types
MCS is divided into public domain and proprietary region；Wherein, the corresponding modulation coding informations of each MCS in public domain are by M
More than two MCS types share in MCS types.
4. according to the method described in claim 3, it is characterized in that, the method further includes：
The configuration mode that base station configures M MCS type is when being semi-statically configured, and configuration service type and the mapping of MCS types are closed
System；
The type of service according to the business determines MCS types, including：According to the type of service of the business, and configure
Mapping relations determine corresponding MCS types；
Within the configuration MCS type transition periods, when selecting the MCS in the MCS types according to current channel condition, the MCS classes are selected
The MCS in public domain in type.
5. according to the method described in claim 3, it is characterized in that, the method further includes：
When the configuration mode that base station configures M MCS type is the dynamic configuration of different business multiplexing, configuration service type and MCS
The mapping relations of type；
The type of service according to the business determines MCS types, including：According to the type of service of the business, and configure
Mapping relations determine corresponding MCS types；
The corresponding modulation coding informations of the MCS by selection notify to the terminal, including：
The modulation coding information of the corresponding MCS of data traffic types in data traffic types except particular traffic type, passes through
General-purpose control information is sent；The modulation coding information of the corresponding MCS of type of service except particular traffic type, passes through special control
Information processed is sent；
Wherein, it when selecting the MCS in the MCS types according to current channel condition, is selected for the particular traffic type, data
The corresponding MCS types of type of service are sent with dedicated control information is used in the corresponding MCS types of the type of service of modulating-coding
Identical MCS in public domain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070436.1A CN108418652A (en) | 2017-02-09 | 2017-02-09 | A kind of modulation coding method of data service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070436.1A CN108418652A (en) | 2017-02-09 | 2017-02-09 | A kind of modulation coding method of data service |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108418652A true CN108418652A (en) | 2018-08-17 |
Family
ID=63124759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710070436.1A Pending CN108418652A (en) | 2017-02-09 | 2017-02-09 | A kind of modulation coding method of data service |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108418652A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070000807A (en) * | 2005-06-28 | 2007-01-03 | 에스케이 텔레콤주식회사 | Packet schedulling apparatus and method thereof |
| CN101060474A (en) * | 2006-04-20 | 2007-10-24 | 大唐移动通信设备有限公司 | A service quality assurance-based grouping service wireless resource dispatching method |
| CN101399630A (en) * | 2007-09-24 | 2009-04-01 | 中国移动通信集团公司 | Adaptive modulation coding method and apparatus |
| CN101610551A (en) * | 2008-06-20 | 2009-12-23 | 普天信息技术研究院有限公司 | The resource regulating method of a kind of HSUPA |
| CN104283638A (en) * | 2007-03-13 | 2015-01-14 | Lg电子株式会社 | Method for preforming an adaptive modulation and coding scheme in mobile communication system |
-
2017
- 2017-02-09 CN CN201710070436.1A patent/CN108418652A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070000807A (en) * | 2005-06-28 | 2007-01-03 | 에스케이 텔레콤주식회사 | Packet schedulling apparatus and method thereof |
| CN101060474A (en) * | 2006-04-20 | 2007-10-24 | 大唐移动通信设备有限公司 | A service quality assurance-based grouping service wireless resource dispatching method |
| CN104283638A (en) * | 2007-03-13 | 2015-01-14 | Lg电子株式会社 | Method for preforming an adaptive modulation and coding scheme in mobile communication system |
| CN101399630A (en) * | 2007-09-24 | 2009-04-01 | 中国移动通信集团公司 | Adaptive modulation coding method and apparatus |
| CN101610551A (en) * | 2008-06-20 | 2009-12-23 | 普天信息技术研究院有限公司 | The resource regulating method of a kind of HSUPA |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10666397B2 (en) | Method and apparatus for control signaling | |
| CN102883474B (en) | Base station and transmission method | |
| CN101395879B (en) | Method and apparatus for transmitting/receiving uplink signaling information in a single carrier fdma system | |
| CN101595690B (en) | System and method for service interworking between heterogeneous communication systems | |
| CN102833863B (en) | Base station apparatus and communication control method | |
| US8577309B2 (en) | Downstream adaptive modulation in broadband communications system | |
| US8023900B2 (en) | Mobile radio terminal and mobile communication system | |
| JP4714588B2 (en) | RADIO COMMUNICATION SYSTEM AND BASE STATION DEVICE AND MOBILE RADIO TERMINAL DEVICE USED IN THIS SYSTEM | |
| US20180368165A1 (en) | Mobile communications network, communications device and methods | |
| US20080130486A1 (en) | Apparatus and method for frame structure in wide-band wireless communication system | |
| CN102573077A (en) | Radio resource assignment in control channel in wireless communication systems | |
| CN101689927A (en) | Method and apparatus for transmitting and receiving control channels by restricting a set of the control channels in a wireless communication system | |
| JP2006197597A (en) | Apparatus and method for transmitting fast feedback information in wireless communications system | |
| KR20060082016A (en) | Apparatus and method for transmitting feedback information in a broadband wireless access communication system | |
| KR20090093732A (en) | Apparatus and method for persistent allocation in wireless communication system | |
| EP2074721B1 (en) | Method and apparatus for transmitting/receiving scheduling channels in a wireless communication system | |
| CN108282293A (en) | A kind of data transmission method, terminal and base station | |
| KR20080081537A (en) | Apparatus and method for allocating resource in a ofdma wireless communicaion system | |
| JP4684194B2 (en) | Transmitter and receiver using multicarrier transmission system | |
| US11310008B2 (en) | Data transmission with multiple numerologies for multiple devices with common geographical location dependent control information | |
| CN101114887A (en) | Transmission method of service data and receiving apparatus and equipment | |
| CN108418652A (en) | A kind of modulation coding method of data service | |
| CN101714964A (en) | Transmission system, transmission method, sending equipment and receiving equipment for 802.16 | |
| CN102763462A (en) | Priority and signalling power based resource assignment | |
| KR20080050730A (en) | Apparatus and method for transmitting/receving multicast and broadcast service map message in broadband wireless communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |
|
| RJ01 | Rejection of invention patent application after publication |