CN108600995A

CN108600995A - a kind of data transmission method, terminal and base station

Info

Publication number: CN108600995A
Application number: CN201810259562.6A
Authority: CN
Inventors: 张向东
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-08-27
Filing date: 2013-08-27
Publication date: 2018-09-28
Also published as: CN104427459B; CN104427459A; CN108684017A

Abstract

The present invention provides a kind of data transmission method, terminal and base stations, are related to internet arena.The method includes：Base station judges whether to adjust the coverage enhancement scheme currently used to terminal；If so, base station sends coverage enhancement adjust instruction to terminal, which includes coverage enhancement type；Terminal is set to adjust the currently used coverage enhancement scheme of terminal according to the coverage enhancement adjust instruction；Base station adjusts the coverage enhancement scheme currently used to terminal, and using the coverage enhancement scheme transmission data after adjustment.Coverage enhancement scheme that can be currently used to terminal in the present invention carries out closed loop adjustment so that the currently used coverage enhancement scheme of terminal disclosure satisfy that terminal requirements, while be capable of providing data transmission efficiency.

Description

A kind of data transmission method, terminal and base station

Technical field

The present invention relates to Internet of Things field, more particularly to a kind of data transmission method, terminal and base station.

Background technology

With the fast development of technology of Internet of things, GSM in M2M (machine-to-machine, Machine To Machine) applications (Global System for Mobile communications, global system for mobile communications)/GPRS (General Packet Radio Service, general packet radio service technology) terminal is gradually by MTC (machine type Communication, machine type communication) terminal is replaced, and some MTC terminals are since local environment is special, for example be placed In the equipment such as the ammeter of basement or water meter, the loss that the data of base station and MTC terminal generate in transmission process may ratio Base station communicates the loss bigger generated with conventional terminal.Therefore, it needs to use one in the data transmission procedure of base station and MTC terminal Fixed coverage enhancement scheme is to compensate the loss that the data of base station and MTC terminal generate in transmission process, to ensure MTC terminal Required service can be obtained.

Wherein, with MTC terminal in data transmission, MTC terminal measures downlink loss, passes through preset migration algorithm for base station Estimate uplink loss；MTC terminal is lost according to uplink, determines uplink enhanced scheme, and pass using determining uplink enhanced scheme Defeated upstream data；Meanwhile MTC terminal sends downlink and information is lost to base station；Base station receives the downlink loss letter that MTC terminal is sent Information is lost according to the downlink in breath, determines downlink enhanced scheme, and transmit downlink data using determining downlink enhanced scheme. Wherein, the loss that the upstream data that MTC terminal is sent to base station generates in transmission process is lost for uplink；Base station is whole to MTC The loss that the downlink data that end is sent generates in transmission process is lost for downlink.

In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems：

Base station is with MTC terminal in data transmission procedure, and uplink loss may change, downlink loss may be sent out Changing, the uplink of measurement are lost possible downlink that is inaccurate, measuring and possible inaccuracy are lost, and the uplink loss of estimation may not The downlink loss accurately either measured may be inaccurate when uplink loss is reduced, actual uplink loss ratio measures or estimation Uplink loss it is bigger than normal when, upstream data is still transmitted using determining uplink enhanced scheme, transmitting uplink data efficiency can be caused It is low；Equally, it reduces when downlink is lost, when actual downlink loss ratio measures or the loss of the downlink of estimation is bigger than normal, still uses true Fixed downlink enhanced scheme transmits downlink data, and downlink data transmission efficiency can be caused low.When uplink loss increase, it is actual on When row loss ratio measures or the loss of the uplink of estimation is less than normal, line number on determining uplink coverage enhancement scheme transmission is still used According to MTC terminal can not obtain required service；Equally, when downlink loss increases, actual downlink loss ratio measures or estimates When the downlink loss of calculation is less than normal, still use determining downlink coverage enhancement scheme transmission downlink data, MTC terminal that can not obtain Required service.

Invention content

In order to solve the problem of the prior art, the present invention provides a kind of data transmission method, terminal and base stations.It is described Technical solution is as follows：

In a first aspect, the present invention provides a kind of data transmission method, the method includes：

Base station judges whether to adjust the coverage enhancement scheme currently used to terminal；

If so, the base station sends coverage enhancement adjust instruction to the terminal, the coverage enhancement adjust instruction packet Include coverage enhancement type；Make the terminal adjust the currently used covering of the terminal according to the coverage enhancement adjust instruction to increase Strong scheme；

The base station adjusts the coverage enhancement scheme currently used to the terminal, and is increased using the covering after adjustment Strong scheme transmission data.

With reference to first aspect, in the first possible realization method of first aspect, the base station adjustment is to the end Currently used coverage enhancement scheme is held, including：

The base station receives the confirmation adjust instruction that the terminal is sent, and is adjusted to described according to the confirmation adjust instruction The currently used coverage enhancement scheme of terminal.

With reference to first aspect, in second of possible realization method of first aspect, the base station judges whether to adjust The coverage enhancement scheme currently used to terminal, including：

The base station acquisition reception terminal transmission data is properly received rate；

Judge the data is properly received whether rate is equal to the first predetermined threshold value；

If not, determining to adjust the coverage enhancement scheme currently used to the terminal.

With reference to first aspect, in the third possible realization method of first aspect, the base station judges whether to adjust The coverage enhancement scheme currently used to terminal, including：

The base station judges whether to receive the coverage enhancement adjust request that the terminal is sent；

If so, determining to adjust the coverage enhancement scheme currently used to the terminal.

With reference to first aspect, in the 4th kind of possible realization method of first aspect, the base station judges whether to adjust The coverage enhancement scheme currently used to terminal, including：

The base station obtains the uplink loss of the terminal transmission data, and it is pre- to judge whether the uplink loss is equal to second If threshold value, if not, determining to adjust the coverage enhancement scheme currently used to the terminal；

And/or the base station obtains the downlink loss of the base station transmission data, judges whether the downlink loss is equal to Third predetermined threshold value, if not, determining to adjust the coverage enhancement scheme currently used to the terminal；

And/or the base station obtains the downlink of the uplink loss and the base station transmission data of the terminal transmission data Loss, judges whether the absolute value of the difference of the uplink loss and downlink loss is equal to the 4th predetermined threshold value, if not, It determines to adjust the coverage enhancement scheme currently used to the terminal.

The 4th kind of possible realization method with reference to first aspect, in the 5th kind of possible realization method of first aspect In, the base station obtains the uplink loss of the terminal transmission data, including：

The uplink of terminal transmission data described in the base station measurement is lost；

Alternatively, the base station receives the status information that the terminal is sent, the status information includes the downlink loss, According to the status information, the downlink loss is obtained, is lost according to the downlink, estimates the uplink loss.

The 4th kind of possible realization method with reference to first aspect, in the 6th kind of possible realization method of first aspect In, the base station obtains the downlink loss of the base station transmission data, including：

The uplink of terminal transmission data described in the base station measurement is lost, and is lost according to the uplink, estimates the downlink Loss；

Alternatively, the base station receives the status information that the terminal is sent, the status information includes the downlink loss, According to the status information, the downlink loss is obtained.

The 4th kind of possible realization method with reference to first aspect, in the 7th kind of possible realization method of first aspect In, the base station obtains the uplink loss of the terminal transmission data and the downlink of the base station transmission data is lost, including：

Alternatively, the uplink loss of terminal transmission data described in the base station measurement, the base station receives the terminal and sends Status information, the status information includes downlink loss, is lost according to downlink described in the state information acquisition；

Alternatively, the base station receives the status information that the terminal is sent, the status information includes the downlink loss, It is lost according to the downlink, estimates the uplink loss.

With reference to first aspect, in the 8th kind of possible realization method of first aspect, the transmission coverage enhancement adjustment It instructs to the terminal, the terminal is made to adjust the coverage enhancement scheme according to the coverage enhancement adjust instruction, including：

If the coverage enhancement type is uplink coverage enhancement, uplink coverage enhancement adjust instruction is sent to the end End, makes the terminal adjust the currently used uplink coverage enhancement side of the terminal according to the uplink coverage enhancement adjust instruction Case；

If the coverage enhancement type is downlink coverage enhancement, downlink coverage enhancement adjust instruction is sent to the end End, makes the terminal adjust the currently used downlink coverage enhancement side of the terminal according to the downlink coverage enhancement adjust instruction Case；

If the coverage enhancement type is uplink and downlink coverage enhancement, uplink and downlink coverage enhancement adjust instruction is sent to institute Terminal is stated, so that the terminal is adjusted the currently used uplink and downlink of the terminal according to the uplink and downlink coverage enhancement adjust instruction and covers Lid enhanced scheme.

With reference to first aspect, in the 9th kind of possible realization method of first aspect, the base station adjustment is to the end Currently used coverage enhancement scheme is held, including：

If the coverage enhancement type is uplink coverage enhancement, the base station adjustment is currently used to the terminal Uplink coverage enhancement scheme；

If the coverage enhancement type is downlink coverage enhancement, the base station adjustment is currently used to the terminal Downlink coverage enhancement scheme；

If the coverage enhancement type is uplink and downlink coverage enhancement, the base station adjustment is currently used to the terminal Uplink and downlink coverage enhancement scheme.

With reference to first aspect, in the tenth kind of possible realization method of first aspect, the base station sends coverage enhancement Adjust instruction gives the terminal, and the terminal is made to adjust the coverage enhancement scheme, packet according to the coverage enhancement adjust instruction It includes：

If the coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, the base station sends described absolute Coverage enhancement adjust instruction gives the terminal, and the terminal is made to be worked as the terminal according to the absolute coverage enhancement adjust instruction In the preceding coverage enhancement project setting used to specified coverage enhancement scheme；

If the coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, the base station sends described opposite Coverage enhancement adjust instruction gives the terminal, and the terminal is made to be worked as according to the opposite coverage enhancement adjust instruction and the terminal The preceding coverage enhancement scheme used, by the currently used coverage enhancement project setting of the terminal to specified coverage enhancement scheme On.

With reference to first aspect, in a kind of the tenth possible realization method of first aspect, the base station adjustment is to described The currently used coverage enhancement scheme of terminal, including：

If the coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, the base station is according to described absolute Coverage enhancement adjust instruction will be in the terminal currently used coverage enhancement project setting to specified coverage enhancement scheme；

If the coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, the base station is according to described opposite Coverage enhancement adjust instruction and the currently used coverage enhancement scheme of the terminal, will be to the coverage enhancement project setting to referring to In fixed coverage enhancement scheme.

Second aspect, the present invention provides a kind of data transmission method, the method includes：

Terminal receives the coverage enhancement adjust instruction that base station is sent, and the coverage enhancement adjust instruction includes coverage enhancement class Type；

The currently used coverage enhancement scheme of the terminal is adjusted according to the coverage enhancement adjust instruction；

Using the coverage enhancement scheme transmission data after adjustment.

In conjunction with second aspect, in the first possible realization method of second aspect, the method further includes：

The terminal, which is sent, confirms that adjust instruction to the base station, makes the base station be adjusted according to the confirmation adjust instruction The coverage enhancement scheme currently used to the terminal.

In conjunction with second aspect, in second of possible realization method of second aspect, the terminal receives base station and sends Coverage enhancement adjust instruction before, the method further includes：

The terminal sends coverage enhancement adjust request to the base station, and the base station is made to be asked according to the coverage enhancement Judge whether to adjust the coverage enhancement scheme currently used to the terminal.

In conjunction with second aspect, in the third possible realization method of second aspect, the terminal receives base station and sends Coverage enhancement adjust instruction before, the method further includes：

The terminal sends status information to the base station, and the status information includes the downlink of the base station transmission data Loss, makes the base station be lost according to downlink described in the state information acquisition.

It is described according to the coverage enhancement in the 4th kind of possible realization method of second aspect in conjunction with second aspect Adjust instruction adjusts the coverage enhancement scheme, including：

If the coverage enhancement type is uplink coverage enhancement, according to coverage enhancement adjust instruction adjustment The currently used uplink coverage enhancement scheme of terminal；

If the coverage enhancement type is downlink coverage enhancement, according to coverage enhancement adjust instruction adjustment The currently used downlink coverage enhancement scheme of terminal；

If the coverage enhancement type is uplink and downlink coverage enhancement, institute is adjusted according to the coverage enhancement adjust instruction State the currently used uplink and downlink coverage enhancement scheme of terminal.

It is described according to the coverage enhancement in the 5th kind of possible realization method of second aspect in conjunction with second aspect Adjust instruction adjusts the currently used coverage enhancement scheme of the terminal, including：

If the coverage enhancement adjust instruction is the absolute coverage enhancement adjust instruction, according to the absolute covering Enhancing adjust instruction will be in the terminal currently used coverage enhancement project setting to specified coverage enhancement scheme；

If the coverage enhancement adjust instruction is the opposite coverage enhancement adjust instruction, according to the opposite covering Enhance adjust instruction and the currently used coverage enhancement scheme of the terminal by the currently used coverage enhancement scheme of the terminal It is adjusted in specified coverage enhancement scheme.

The third aspect, the present invention provides a kind of base station, the base station includes：

Judgment module adjusts the coverage enhancement scheme currently used to terminal for judging whether；

First sending module, if judging to adjust the coverage enhancement side currently used to terminal for the judgment module When case, coverage enhancement adjust instruction is sent to the terminal, the coverage enhancement adjust instruction includes coverage enhancement type；Make institute It states terminal and the currently used coverage enhancement scheme of the terminal is adjusted according to the coverage enhancement adjust instruction；

The first adjustment module, for adjusting the coverage enhancement scheme currently used to the terminal；

First transmission module, for using the coverage enhancement scheme transmission data after adjustment.

In conjunction with the third aspect, in the first possible realization method of the third aspect, the base station further includes：

First receiving module, the confirmation adjust instruction sent for receiving the terminal, according to the confirmation adjust instruction The adjustment coverage enhancement scheme currently used to the terminal.

In conjunction with the third aspect, in second of possible realization method of the third aspect, the judgment module, including：

First acquisition unit, for obtain receive the terminal transmission data be properly received rate；

First judging unit, for judge the data be properly received rate whether be equal to the first predetermined threshold value；

First determination unit, if determining that the rate that is properly received of the data is not equal to for first determination unit When first predetermined threshold value, determine to adjust the coverage enhancement scheme currently used to the terminal.

In conjunction with the third aspect, in the third possible realization method of the third aspect, the judgment module, including：

Second judgment unit, the coverage enhancement adjust request sent for judging whether to receive the terminal；

Second determination unit, if judging that receiving the covering that the terminal is sent increases for the second judgment unit When strong adjust request, determine to adjust the coverage enhancement scheme currently used to the terminal.

In conjunction with the third aspect, in the 4th kind of possible realization method of the third aspect, the judgment module, including：

Second acquisition unit, the uplink for obtaining the terminal transmission data are lost；

Third judging unit, for judging whether the uplink loss is equal to the second predetermined threshold value；

Third determination unit, if judging that the uplink loss is not equal to described second for the third judging unit When predetermined threshold value, determine to adjust the coverage enhancement scheme currently used to the terminal；

And/or the third acquiring unit, the downlink for obtaining the base station transmission data are lost；

4th judging unit, for judging whether the downlink loss is equal to third predetermined threshold value；

4th determination unit, if judging that the downlink loss is not equal to the third for the 4th judging unit When predetermined threshold value, determine to adjust the coverage enhancement scheme currently used to the terminal；

And/or the 4th acquiring unit, the uplink for obtaining the terminal transmission data is lost and the base station sends number According to downlink loss；

5th judging unit, for judging whether the absolute value of the difference of the uplink loss and downlink loss is equal to 4th predetermined threshold value；

5th determination unit, if judging the uplink loss and downlink loss for the 5th judging unit Difference absolute value be not equal to four predetermined threshold value when, determine to adjust the coverage enhancement currently used to the terminal Scheme.

In conjunction with the 4th kind of possible realization method of the third aspect, in the 5th kind of possible realization method of the third aspect In, the second acquisition unit, the uplink for measuring the terminal transmission data is lost；

Alternatively, the second acquisition unit, the status information sent for receiving the terminal, the status information include The downlink loss；According to the status information, the downlink loss is obtained；It is lost according to the downlink, estimates the uplink Loss.

In conjunction with the 4th kind of possible realization method of the third aspect, in the 6th kind of possible realization method of the third aspect In, the third acquiring unit, the uplink for measuring the terminal transmission data is lost；It is lost according to the uplink, estimation The downlink loss；

Alternatively, the third acquiring unit, the status information sent for receiving the terminal, the status information include The downlink loss；According to the status information, the downlink loss is obtained.

In conjunction with the 4th kind of possible realization method of the third aspect, in the 7th kind of possible realization method of the third aspect In, the 4th acquiring unit, the uplink for measuring the terminal transmission data is lost；It is lost according to the uplink, estimation The downlink loss；

Alternatively, the 4th acquiring unit, the uplink for measuring the terminal transmission data is lost；Receive the terminal The status information of transmission, the status information include the downlink loss；It is lost according to downlink described in the state information acquisition；

Alternatively, the 4th acquiring unit, the status information sent for receiving the terminal, the status information include The downlink loss；It is lost according to the downlink, estimates the uplink loss.

In conjunction with the third aspect, in the 8th kind of possible realization method of the third aspect, if the coverage enhancement type For uplink coverage enhancement when, first sending module makes institute for sending uplink coverage enhancement adjust instruction to the terminal It states terminal and the currently used uplink coverage enhancement scheme of the terminal is adjusted according to the uplink coverage enhancement adjust instruction；

If the coverage enhancement type is downlink coverage enhancement, first sending module is covered for sending downlink Lid enhancing adjust instruction gives the terminal, so that the terminal is adjusted the terminal according to the downlink coverage enhancement adjust instruction and works as The preceding downlink coverage enhancement scheme used；

If the coverage enhancement type is uplink and downlink coverage enhancement, first sending module, for sending up and down Row coverage enhancement adjust instruction gives the terminal, makes the terminal according to described in uplink and downlink coverage enhancement adjust instruction adjustment The currently used uplink and downlink coverage enhancement scheme of terminal.

In conjunction with the third aspect, in the 9th kind of possible realization method of the third aspect, if the coverage enhancement type For uplink coverage enhancement when, the first adjustment module, for adjusting the uplink coverage enhancement side currently used to the terminal Case；

If the coverage enhancement type is downlink coverage enhancement, the first adjustment module, for adjusting to described The currently used downlink coverage enhancement scheme of terminal；

If the coverage enhancement type is uplink and downlink coverage enhancement, the first adjustment module, for adjusting to institute State the currently used uplink and downlink coverage enhancement scheme of terminal.

In conjunction with the third aspect, in the tenth kind of possible realization method of the third aspect, if the coverage enhancement adjusts When instruction is absolute coverage enhancement adjust instruction, first sending module refers to for sending the absolute coverage enhancement adjustment Enable makes the terminal be increased the currently used covering of the terminal according to the absolute coverage enhancement adjust instruction to the terminal In strong project setting to specified coverage enhancement scheme；

If the coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, first sending module is used In sending the opposite coverage enhancement adjust instruction to the terminal, the terminal is made to be referred to according to the opposite coverage enhancement adjustment Enable and the currently used coverage enhancement scheme of the terminal, by the currently used coverage enhancement project setting of the terminal to specify Coverage enhancement scheme on.

In conjunction with the third aspect, in a kind of the tenth possible realization method of the third aspect, if the coverage enhancement tune When whole instruction is absolute coverage enhancement adjust instruction, the first adjustment module, for being adjusted according to the absolute coverage enhancement Instruction will be in the terminal currently used coverage enhancement project setting to specified coverage enhancement scheme；

If the coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, the first adjustment module is used According to the currently used coverage enhancement scheme of the opposite coverage enhancement adjust instruction and the terminal, the terminal will be worked as In the preceding coverage enhancement project setting used to specified coverage enhancement scheme.

Fourth aspect, the present invention provides a kind of terminal, the terminal includes：

Second receiving module, the coverage enhancement adjust instruction for receiving base station transmission, the coverage enhancement adjust instruction Including coverage enhancement type；

Second adjustment module increases for adjusting the currently used covering of the terminal according to the coverage enhancement adjust instruction Strong scheme；

Second transmission module, for using the coverage enhancement scheme transmission data after adjustment.

In conjunction with fourth aspect, in the first possible realization method of fourth aspect, the terminal further includes：

Second sending module confirms that adjust instruction to the base station, makes the base station be adjusted according to the confirmation for sending Whole instruction adjusts the coverage enhancement scheme currently used to the terminal.

In conjunction with fourth aspect, in second of possible realization method of fourth aspect, the terminal further includes：

Third sending module makes the base station be covered according to for sending coverage enhancement adjust request to the base station Lid enhancing request judges whether to adjust the coverage enhancement scheme currently used to the terminal.

In conjunction with fourth aspect, in the third possible realization method of fourth aspect, the terminal further includes：

4th sending module, for sending status information to the base station, the status information includes that the base station is sent The downlink of data is lost, and the base station is made to be lost according to downlink described in the state information acquisition.

In conjunction with fourth aspect, in the 4th kind of possible realization method of fourth aspect, if the coverage enhancement type For uplink coverage enhancement when, the second adjustment module is worked as adjusting the terminal according to the coverage enhancement adjust instruction The preceding uplink coverage enhancement scheme used；

If the coverage enhancement type is downlink coverage enhancement, the second adjustment module, for being covered according to Lid enhancing adjust instruction adjusts the currently used downlink coverage enhancement scheme of the terminal；

If the coverage enhancement type is uplink and downlink coverage enhancement, the second adjustment module, for according to Coverage enhancement adjust instruction adjusts the currently used uplink and downlink coverage enhancement scheme of the terminal.

In conjunction with fourth aspect, in the 5th kind of possible realization method of fourth aspect, if the coverage enhancement adjusts When instruction is the absolute coverage enhancement adjust instruction, the second adjustment module, for according to the absolute coverage enhancement tune Whole instruction will be in the terminal currently used coverage enhancement project setting to specified coverage enhancement scheme；

If the coverage enhancement adjust instruction is the opposite coverage enhancement adjust instruction, the second adjustment mould Block, for according to the currently used coverage enhancement scheme of the opposite coverage enhancement adjust instruction and the terminal by the terminal In currently used coverage enhancement project setting to specified coverage enhancement scheme.

5th aspect, the present invention provides a kind of base station, the base station includes：First memory and first processor are used In the data transmission method described in execution first aspect.

6th aspect, the present invention provides a kind of terminal, the terminal includes：Second memory and second processor are used In the data transmission method described in execution second aspect.

In embodiments of the present invention, base station judges whether to adjust the coverage enhancement scheme currently used to terminal；If so, Base station sends coverage enhancement adjust instruction to terminal, which includes coverage enhancement type；Make terminal according to The coverage enhancement adjust instruction adjusts the currently used coverage enhancement scheme of terminal；Base station adjusts the covering currently used to terminal Enhanced scheme, and using the coverage enhancement scheme transmission data after adjustment.Covering that can be currently used to terminal in the present invention Enhanced scheme carries out closed loop adjustment so that the currently used coverage enhancement scheme of terminal disclosure satisfy that terminal requirements, while can Data transmission efficiency is provided.

Description of the drawings

Fig. 1 is a kind of method flow diagram for data transmission that the embodiment of the present invention 1 provides；

Fig. 2 is a kind of method flow diagram for data transmission that the embodiment of the present invention 1 provides；

Fig. 3 is a kind of method flow diagram for data transmission that the embodiment of the present invention 2 provides；

Fig. 4 is a kind of apparatus structure schematic diagram for base station that the embodiment of the present invention 3 provides；

Fig. 5 is a kind of another apparatus structure schematic diagram for base station that the embodiment of the present invention 3 provides；

Fig. 6 is a kind of apparatus structure schematic diagram for terminal that the embodiment of the present invention 4 provides；

Fig. 7 is a kind of another apparatus structure schematic diagram for terminal that the embodiment of the present invention 4 provides；

Fig. 8 is a kind of apparatus structure schematic diagram for base station that the embodiment of the present invention 5 provides；

Fig. 9 is a kind of apparatus structure schematic diagram for terminal that the embodiment of the present invention 6 provides.

Specific implementation mode

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.

Embodiment 1

An embodiment of the present invention provides a kind of data transmission methods.Referring to Fig. 1, wherein this method includes：

101：Base station judges whether to adjust the coverage enhancement scheme currently used to terminal；

102：If so, base station sends coverage enhancement adjust instruction to terminal, which includes covering Enhance type；Terminal is set to adjust the currently used coverage enhancement scheme of terminal according to the coverage enhancement adjust instruction；

103：Base station adjusts the coverage enhancement scheme currently used to terminal, and is passed using the coverage enhancement scheme after adjustment Transmission of data.

An embodiment of the present invention provides a kind of data transmission methods.Referring to Fig. 2, wherein this method includes：

201：Terminal receives the coverage enhancement adjust instruction that base station is sent, which includes coverage enhancement Type；

202：Terminal adjusts the currently used coverage enhancement scheme of terminal according to the coverage enhancement adjust instruction；

203：Terminal is using the coverage enhancement scheme transmission data after adjustment.

Embodiment 2

An embodiment of the present invention provides a kind of data transmission methods.Referring to Fig. 3, wherein this method includes：

301：Base station judges whether to adjust the coverage enhancement scheme currently used to terminal；

Wherein, in embodiments of the present invention, terminal is any MTC terminal；Coverage enhancement scheme include terminal and base station it Between transmission data when the coverage enhancement technology that uses, which can be：Repeat transmission or power borrow etc..

Wherein, the loss generated when base station can be according to terminal and base station transmission data, divides coverage enhancement demand Grade, different coverage enhancement demands correspond to different coverage enhancement grades.Correspondingly, base station can currently make by adjusting terminal Coverage enhancement grade, to adjust the currently used coverage enhancement scheme of terminal.

Wherein, in embodiments of the present invention, coverage enhancement grade is corresponding with coverage enhancement scheme, adjusts coverage enhancement Scheme and adjustment coverage enhancement scheme are equivalent.That is, the coverage enhancement scheme in the present invention could alternatively be coverage enhancement etc. Grade.

Wherein, the loss that the upstream data that terminal is sent to base station generates in transmission process is lost for uplink；Base station to The loss that the downlink data that MTC terminal is sent generates in transmission process is lost for downlink.

Further, base station judges whether to adjust the operation of the coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station, which obtains, to be received terminal transmission data and is properly received rate, and judge the data is properly received whether rate is equal to the One predetermined threshold value, if not, base station is determined to adjust the coverage enhancement scheme currently used to terminal.

Wherein, data are properly received rate and can be not equal to the first predetermined threshold value：It is pre- that the acceptance rate of data is more than first If threshold value；Or the acceptance rate of data is less than the first predetermined threshold value.That is base station judges whether the acceptance rate of the data is equal to first Predetermined threshold value, if not, base station is determined to adjust the operation of the coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station judges whether the acceptance rate of the data is more than the first predetermined threshold value, if so, base station determines adjustment to end Hold currently used coverage enhancement scheme.Alternatively, base station judges whether the acceptance rate of the data is less than the first predetermined threshold value, if It is that base station is determined to adjust the coverage enhancement scheme currently used to terminal.

Wherein, the first predetermined threshold value can be configured and change according to system performance, and the embodiment of the present invention pair first is pre- If threshold value is not specifically limited.

Further, base station judges whether to adjust the operation of the coverage enhancement scheme currently used to terminal, can also be：

Base station judges whether to receive the coverage enhancement adjust request of terminal transmission；If so, adjustment pair is determined in base station The currently used coverage enhancement scheme of terminal.

Wherein, when the rate that is properly received that terminal receives base station transmission downlink data is less than the 5th predetermined threshold value or terminal When can not obtain required service, when terminal determines the coverage enhancement scheme for needing adjustment terminal currently used, terminal hair Send coverage enhancement adjust request to base station.

Wherein, the 5th predetermined threshold value can be configured and change according to system performance, the 5th predetermined threshold value of the present invention couple It is not specifically limited.

Wherein, before base station judges whether to adjust the coverage enhancement scheme currently used to terminal, terminal measures base station hair It send the downlink of data to be lost, and sends status information to base station, which includes the downlink loss of base station transmission data.

Base station obtains the uplink loss of terminal transmission data；Judge whether uplink loss is equal to the second predetermined threshold value；Such as Fruit is no, and base station is determined to adjust the coverage enhancement scheme currently used to terminal.

Wherein, in embodiments of the present invention, uplink loss can be that uplink loss is more than the not equal to the second predetermined threshold value Two predetermined threshold values or uplink loss are less than the second predetermined threshold value.Then it is default to judge whether uplink loss is equal to second for base station Threshold value, if not, base station is determined to adjust the operation of the coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station judges whether uplink loss is more than the second predetermined threshold value, if so, base station determines that terminal is worked as in adjustment The preceding coverage enhancement scheme used；Alternatively, base station judges whether uplink loss is less than the second predetermined threshold value, if so, base station It determines to adjust the coverage enhancement scheme currently used to terminal.

Wherein, the second predetermined threshold value can need to be configured and change according to system, in embodiments of the present invention, to the Two predetermined threshold values are not specifically limited.

Base station obtains the downlink loss of base station transmission data；Judge whether downlink loss is equal to third predetermined threshold value；Such as Fruit is no, and base station is determined to adjust the coverage enhancement scheme currently used to terminal.

Wherein, in embodiments of the present invention, downlink loss can be that downlink loss is more than the not equal to third predetermined threshold value Three predetermined threshold values or downlink loss are less than third predetermined threshold value.Base station judges whether downlink loss is equal to third and presets threshold Value, if not, base station is determined to adjust the operation of the coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station judges whether downlink loss is more than third predetermined threshold value, if so, base station determines that terminal is worked as in adjustment The preceding coverage enhancement scheme used；Alternatively, base station judges whether downlink loss is less than third predetermined threshold value, if so, base station It determines to adjust the coverage enhancement scheme currently used to terminal.

Wherein, third predetermined threshold value can need to be configured and change according to system, in embodiments of the present invention, to the Three predetermined threshold values are not specifically limited.

Base station obtains the uplink loss of terminal transmission data and the downlink of base station transmission data is lost；Base station judges that uplink is damaged Whether the absolute value of consumption and the difference of downlink loss is equal to the 4th predetermined threshold value；If not, base station determines that terminal is worked as in adjustment The preceding coverage enhancement scheme used.

Wherein, in embodiments of the present invention, the absolute value of the difference of uplink loss and downlink loss is default not equal to the 4th Threshold value, Ke Yiwei：Uplink be lost and downlink loss difference absolute value be more than the 4th predetermined threshold value, alternatively, uplink loss and The absolute value of the difference of downlink loss is less than the 4th predetermined threshold value.

Wherein, the absolute value of the difference of uplink loss and downlink loss can be the difference of uplink loss and downlink loss, Or the difference of downlink loss and uplink loss.Then base station judge uplink loss and downlink loss difference absolute value whether etc. It, can be with if not, base station is determined to adjust the operation of the coverage enhancement scheme currently used to terminal in the 4th predetermined threshold value For：

Base station judges whether the difference of uplink loss and downlink loss is more than the 4th predetermined threshold value, if so, base station is true It makes and adjusts the coverage enhancement scheme currently used to terminal；Alternatively, base station judges that the difference of uplink loss and downlink loss is It is no to be less than the 4th predetermined threshold value, if so, base station is determined to adjust the coverage enhancement scheme currently used to terminal；Alternatively, base It stands and judges whether the difference of downlink loss and uplink loss is more than the 4th predetermined threshold value, if so, adjustment pair is determined in base station The currently used coverage enhancement scheme of terminal；Alternatively, base station judges whether the difference of downlink loss and uplink loss is less than the 4th Predetermined threshold value, if so, base station is determined to adjust the coverage enhancement scheme currently used to terminal.

Wherein, the 4th predetermined threshold value can need to be configured and change according to system, in embodiments of the present invention, to the Four predetermined threshold values are not specifically limited.

Further, base station obtains the operation of the uplink loss of terminal transmission data, Ke Yiwei：Base station measurement terminal is sent The uplink of data is lost；Alternatively, base station receives the status information that terminal is sent, which includes downlink loss；According to shape State information obtains the downlink loss；It is lost according to downlink, estimation uplink loss.

Wherein, the operation of the uplink loss of base station measurement terminal transmission data, Ke Yiwei：Base station receives the upper of terminal transmission Row data, and determine the reception power for receiving upstream data；Base station obtains the transmission power that terminal sends upstream data, according to connecing It receives power and transmission power obtains the uplink loss that terminal sends upstream data.

Wherein, it can be based on distinctive signal when the uplink loss of base station measurement terminal transmission data, for example, being based on pilot tone Preamble；Alternatively, being based on SRS (Sounding Reference Signal, interception reference signal).

Wherein, before terminal is communicated with base station, terminal need by random access procedure access network, terminal initiate with When machine access procedure, terminal sends pilot tone Preamble to base station on running time-frequency resource TF-resource.Then base station measurement terminal The operation of the uplink loss of transmission data, Ke Yiwei：

Base station receives the pilot tone Preamble that terminal is sent, and determines the reception power for receiving pilot tone Preamble.Base station The transmission power that terminal sends pilot tone Preamble is obtained, is obtained eventually according to the reception power and transmission power of pilot tone Preamble End sends the uplink loss of pilot tone Preamble.

Wherein, when the uplink loss of base station measurement terminal transmission data is based on interception reference signal, base station receives terminal hair The interception reference signal sent, and determine the reception power for receiving interception reference signal, base station obtains terminal transmission and intercepts with reference to letter Number transmission power, obtain terminal according to receive power and the transmission power of interception reference signal and send the upper of interception reference signal Row loss.

Wherein, base station is lost according to downlink, the operation of estimation uplink loss, Ke Yiwei：

Base station is according to downlink loss and the first preset algorithm, estimation uplink loss.First preset algorithm can be existing Any estimating algorithm.

It estimates to obtain uplink loss for example, the first preset algorithm subtracts 10dB for uplink loss, if then lower every trade loss is 30dB, then uplink loss is 20dB.

Further, base station obtains the operation of the downlink loss of base station transmission data, Ke Yiwei：

The uplink of base station measurement terminal transmission data is lost；It is lost according to uplink, estimation downlink loss；Alternatively, base station connects The status information that terminal is sent is received, which includes downlink loss；According to status information, downlink loss is obtained.

Wherein, terminal measures the operation of the downlink loss of base station transmission data, Ke Yiwei：

Terminal receives the downlink data that base station is sent, and determines the reception power for receiving downlink data；Terminal obtains base station The transmission power for sending downlink data is lost according to the downlink for receiving power and transmission power acquisition base station transmission data.

Wherein, it can be based on distinctive signal when terminal measures the downlink loss of base station transmission data, for example, CRS (Cell- Specific Reference Signal, cell specific reference signal), i.e., terminal receives the cell specific reference that base station is sent Signal, and determine the reception power for receiving cell specific reference signal, terminal obtains base station and sends cell specific reference signal Transmission power is lost according to the downlink for receiving power and transmission power acquisition base station transmission cell specific reference signal.

Wherein, base station is lost according to uplink, the operation of estimation downlink loss, Ke Yiwei：

Base station is according to uplink loss and the second preset algorithm, estimation downlink loss.Second preset algorithm can be existing Any estimating algorithm.

For example, the second preset algorithm, which is uplink loss plus 10dB, estimates downlink loss, if uplink loss is 10dB, downlink Loss is 20dB.

Further, the behaviour that base station obtains the uplink loss of terminal transmission data and the downlink of base station transmission data is lost Make, Ke Yiwei：

The uplink of base station measurement terminal transmission data is lost；It is lost according to uplink, estimates the downlink loss；Alternatively, base The uplink of measuring terminals of standing transmission data is lost；Base station receives the status information that terminal is sent, which includes downlink damage Consumption；Base station is lost according to state information acquisition downlink；Alternatively, base station receives the status information that terminal is sent, the status information packet Include downlink loss；It is lost according to downlink, estimation uplink loss.

Wherein, the operation of the uplink loss of base station measurement terminal transmission data and above-mentioned base station measurement terminal transmission data The method of uplink loss is identical, and base station is lost according to uplink, and the method for estimation downlink loss is identical with above-mentioned evaluation method, base station It is lost according to downlink, estimation uplink loss is identical with above-mentioned evaluation method, and details are not described herein.

Further, when base station is judged not adjust the coverage enhancement scheme currently used to terminal, terminal and base station it Between using the currently used coverage enhancement scheme transmission data of terminal.

302：If so, base station sends coverage enhancement adjust instruction to terminal, which includes covering Enhance type；

Wherein, when base station is determined to need to adjust the coverage enhancement scheme currently used to terminal, base station sends covering and increases Strong adjust instruction is to terminal.

Wherein, which can be that existing channel or order carry, for example, random access procedure Message 4；Or the coverage enhancement adjust instruction is a kind of coverage enhancement adjustment MAC (the Media Access newly defined Control, FDDI sublayer protocol) CE (Control Element, control element) orders.

Wherein, coverage enhancement type includes：Uplink coverage enhancement, downlink coverage enhancement and uplink and downlink coverage enhancement.

Wherein, uplink coverage enhancement is used coverage enhancement scheme when terminal sends upstream data to base station；Downlink Coverage enhancement is used coverage enhancement scheme when base station sends downlink data to terminal；Uplink and downlink coverage enhancement is sent out for terminal Send upstream data to base station, base station used coverage enhancement scheme when sending downlink data to terminal.

Wherein, if coverage enhancement type be uplink coverage enhancement, base station send uplink coverage enhancement adjust instruction to Terminal makes terminal adjust the currently used uplink coverage enhancement scheme of terminal according to the uplink coverage enhancement adjust instruction；If When coverage enhancement type is downlink coverage enhancement, base station sends downlink coverage enhancement adjust instruction to terminal, makes terminal according to this Downlink coverage enhancement adjust instruction adjusts the currently used downlink coverage enhancement scheme of terminal；If coverage enhancement type is upper and lower When row coverage enhancement, base station sends uplink and downlink coverage enhancement adjust instruction to terminal, makes terminal according to the uplink and downlink coverage enhancement Adjust instruction adjusts the currently used uplink and downlink coverage enhancement scheme of terminal.

Further, coverage enhancement adjust instruction includes that absolute coverage enhancement adjust instruction or opposite coverage enhancement adjustment refer to It enables.

Wherein, when coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, base station sends absolute coverage enhancement Adjust instruction makes terminal according to the absolute coverage enhancement adjust instruction by the currently used coverage enhancement scheme tune of terminal to terminal It is whole in specified coverage enhancement scheme.

For example, absolutely coverage enhancement adjust instruction is to cover the currently used coverage enhancement level adjustment of terminal to the third level In lid enhancing grade.

Wherein, when coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, base station sends opposite coverage enhancement Adjust instruction makes terminal according to the coverage enhancement scheme currently used with respect to coverage enhancement adjust instruction and terminal to terminal, It will be in terminal currently used coverage enhancement project setting to specified coverage enhancement scheme.

For example, opposite coverage enhancement adjust instruction is that the currently used coverage enhancement grade of terminal is increased two-stage；Or The currently used coverage enhancement grade of terminal is reduced into two-stage.

303：Terminal receives the coverage enhancement adjust instruction that base station is sent, and is adjusted eventually according to the coverage enhancement adjust instruction Hold currently used coverage enhancement scheme；

Wherein, coverage enhancement type includes uplink coverage enhancement, downlink coverage enhancement and uplink and downlink coverage enhancement.

Wherein, if coverage enhancement type is uplink coverage enhancement, terminal adjusts eventually according to coverage enhancement adjust instruction Hold currently used uplink coverage enhancement scheme.

Wherein, if coverage enhancement type is downlink coverage enhancement, terminal adjusts eventually according to coverage enhancement adjust instruction Hold currently used downlink coverage enhancement scheme.

Wherein, if coverage enhancement type is uplink and downlink coverage enhancement, terminal is adjusted according to coverage enhancement adjust instruction The currently used uplink and downlink coverage enhancement scheme of terminal.

Wherein, if coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, terminal is according to the absolute covering Enhancing adjust instruction will be in terminal currently used coverage enhancement project setting to specified coverage enhancement scheme.

Wherein, if coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, terminal is according to the opposite covering Enhance adjust instruction and the currently used coverage enhancement scheme of terminal by the currently used coverage enhancement project setting of terminal to finger In fixed coverage enhancement scheme.

Wherein, between terminal and base station when transmission data, terminal and base station use identical coverage enhancement scheme.Such as, The currently employed coverage enhancement scheme of terminal is to be repeated 3 times transmission, then base station receives terminal hair by the way of being repeated 3 times reception The data sent.

Further, it when terminal receives the coverage enhancement adjust instruction of base station transmission, sends and confirms adjust instruction to base It stands, to notify base station to agree to the currently used coverage enhancement scheme of adjustment terminal.

304：Base station adjusts the coverage enhancement scheme currently used to terminal；

Wherein, base station adjusts the operation of the coverage enhancement scheme currently used to terminal, Ke Yiwei：

If coverage enhancement type is uplink coverage enhancement, base station adjusts the uplink coverage enhancement currently used to terminal Scheme；If coverage enhancement type is downlink coverage enhancement, base station adjusts the downlink coverage enhancement side currently used to terminal Case；If coverage enhancement type is uplink and downlink coverage enhancement, base station adjusts the uplink and downlink coverage enhancement currently used to terminal Scheme.

Wherein, base station adjusts the operation of the uplink coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station by the currently used uplink coverage enhancement project setting of terminal to than the coverage enhancement residing for present terminal In the high uplink coverage enhancement scheme of rank；Alternatively, the uplink coverage enhancement project setting currently used to terminal is arrived in base station In the uplink coverage enhancement scheme lower than the coverage enhancement rank residing for present terminal.

Wherein, base station adjusts the operation of the downlink coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station by the currently used downlink coverage enhancement project setting of terminal to than the coverage enhancement residing for present terminal In the high downlink coverage enhancement scheme of rank；Alternatively, the downlink coverage enhancement project setting currently used to terminal is arrived in base station In the downlink coverage enhancement scheme lower than the coverage enhancement rank residing for present terminal.

Wherein, base station adjusts the operation of the uplink and downlink coverage enhancement scheme currently used to terminal, Ke Yiwei：

Base station will increase the currently used uplink and downlink coverage enhancement project setting of terminal to than the covering residing for present terminal In the not high uplink and downlink coverage enhancement scheme of intensity level；Alternatively, base station is by the uplink and downlink coverage enhancement scheme currently used to terminal It is adjusted in the uplink and downlink coverage enhancement scheme lower than the coverage enhancement rank residing for present terminal.

Wherein, coverage enhancement adjust instruction includes absolute coverage enhancement adjust instruction or opposite coverage enhancement adjust instruction； Base station adjusts the operation of the coverage enhancement scheme currently used to terminal, Ke Yiwei：

If coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, base station is adjusted according to absolute coverage enhancement Instruction will be in terminal currently used coverage enhancement project setting to specified coverage enhancement scheme；If coverage enhancement adjusts When instruction is opposite coverage enhancement adjust instruction, base station is according to the currently used covering of opposite coverage enhancement adjust instruction and terminal Enhanced scheme, will be in coverage enhancement project setting to specified coverage enhancement scheme.

Further, when terminal, which is sent, confirms adjust instruction to base station, base station receives the confirmation adjustment that terminal is sent and refers to It enables, and adjusts the coverage enhancement scheme currently used to terminal according to the confirmation adjust instruction.

Further, in embodiments of the present invention, base station is determined to adjust the coverage enhancement scheme currently used to terminal When, coverage enhancement adjust instruction can be first sent to terminal, then adjusts the coverage enhancement scheme currently used to terminal.Base station The coverage enhancement scheme currently used to terminal can be first adjusted, the rear coverage enhancement adjust instruction that sends makes terminal root to terminal According to the currently used coverage enhancement scheme of coverage enhancement adjust instruction adjustment terminal.Terminal is adjusted eventually in the embodiment of the present invention It holds currently used coverage enhancement scheme and sends coverage enhancement adjust instruction and do not done to the sequencing of terminal the two steps It is specific to limit.

305：Using the coverage enhancement scheme transmission data after adjustment between base station and terminal.

Specifically, base station sends downlink data to terminal, after terminal is using adjustment using the coverage enhancement scheme after adjustment Coverage enhancement scheme receive base station send downlink data；Terminal sends upstream data using the coverage enhancement scheme after adjustment To base station；Base station receives the upstream data that terminal is sent using the coverage enhancement scheme after adjustment.

Embodiment 3

An embodiment of the present invention provides a kind of base stations.Referring to Fig. 4, which includes：

Judgment module 401 adjusts the coverage enhancement scheme currently used to terminal for judging whether；

First sending module 402, for if it is determined that module 401 is judged to adjust the coverage enhancement currently used to terminal When scheme, coverage enhancement adjust instruction is sent to terminal, which includes coverage enhancement type；Make terminal root According to the currently used coverage enhancement scheme of coverage enhancement adjust instruction adjustment terminal；

The first adjustment module 403, for adjusting the coverage enhancement scheme currently used to terminal；

First transmission module 404, for using the coverage enhancement scheme transmission data after adjustment.

Further, an embodiment of the present invention provides a kind of base stations.Referring to Fig. 5, wherein the base station includes judgment module 401, the first sending module 402, the first adjustment module 403 and the first transmission module 404, the base station further include：

First receiving module 405, the confirmation adjust instruction for receiving terminal transmission are adjusted according to the confirmation adjust instruction The coverage enhancement scheme currently used to terminal.

Further, judgment module 401, including：

First acquisition unit 4011 receives terminal transmission data and is properly received rate for obtaining；

First judging unit 4012, for judge data be properly received rate whether be equal to the first predetermined threshold value；

First determination unit 4013, if determining that the rate that is properly received of data is not equal to for the first determination unit 4013 When the first predetermined threshold value, determine to adjust the coverage enhancement scheme currently used to terminal.

Further, judgment module 401, including：

Second judgment unit 4014, the coverage enhancement adjust request for judging whether to receive terminal transmission；

Second determination unit 4015, if judging that the covering for receiving terminal transmission increases for second judgment unit 4014 When strong adjust request, determine to adjust the coverage enhancement scheme currently used to terminal.

Further, judgment module 401, including：

Second acquisition unit 4016, the uplink for obtaining terminal transmission data are lost；

Third judging unit 4017, for judging whether uplink loss is equal to the second predetermined threshold value；

Third determination unit 4018, if judging that uplink loss is default not equal to second for third judging unit 4017 When threshold value, determine to adjust the coverage enhancement scheme currently used to terminal；

And/or third acquiring unit 4019, the downlink for obtaining base station transmission data are lost；

4th judging unit 40110, for judging whether downlink loss is equal to third predetermined threshold value；

4th determination unit 40111, if judging that downlink loss is pre- not equal to third for the 4th judging unit 40110 If when threshold value, determining to adjust the coverage enhancement scheme currently used to terminal；

And/or the 4th acquiring unit 40112, the uplink for obtaining terminal transmission data is lost and base station transmission data Downlink loss；

5th judging unit 40113, for judging whether the absolute value of the difference of uplink loss and downlink loss is equal to the Four predetermined threshold values；

5th determination unit 40114, if judging what uplink loss and downlink were lost for the 5th judging unit 40113 When the absolute value of difference is not equal to four predetermined threshold values, determine to adjust the coverage enhancement scheme currently used to terminal.

Further, second acquisition unit 4016, the uplink for measuring terminals transmission data are lost；

Alternatively, second acquisition unit 4016, the status information for receiving terminal transmission, status information include downlink damage Consumption；According to status information, downlink loss is obtained；It is lost according to downlink, estimation uplink loss.

Further, third acquiring unit 4019, the uplink for measuring terminals transmission data are lost；It is damaged according to uplink Consumption, estimation downlink loss；

Alternatively, third acquiring unit 4019, the status information for receiving terminal transmission, the status information include downlink damage Consumption；According to the status information, downlink loss is obtained.

Further, the 4th acquiring unit 40112, the uplink for measuring terminals transmission data are lost；It is damaged according to uplink Consumption, estimation downlink loss；

Alternatively, the 4th acquiring unit 40112, the uplink for measuring terminals transmission data is lost；Receive what terminal was sent Status information, the status information include downlink loss；It is lost according to the state information acquisition downlink；

Alternatively, the 4th acquiring unit 40112, the status information for receiving terminal transmission, which includes downlink Loss；It is lost according to downlink, estimation uplink loss.

Further, if coverage enhancement type is uplink coverage enhancement, the first sending module 402, for sending Row coverage enhancement adjust instruction makes terminal adjust the currently used uplink of terminal according to uplink coverage enhancement adjust instruction to terminal Coverage enhancement scheme；

If coverage enhancement type is downlink coverage enhancement, the first sending module 402, for sending downlink coverage enhancement Adjust instruction makes terminal adjust the currently used downlink coverage enhancement side of terminal according to downlink coverage enhancement adjust instruction to terminal Case；

If coverage enhancement type is uplink and downlink coverage enhancement, the first sending module 402, for sending uplink and downlink covering Enhance adjust instruction to terminal, so that terminal is adjusted the currently used uplink and downlink of terminal according to uplink and downlink coverage enhancement adjust instruction and cover Lid enhanced scheme.

Further,

If coverage enhancement type is uplink coverage enhancement, the first adjustment module 403 currently makes terminal for adjusting Uplink coverage enhancement scheme；

If coverage enhancement type is downlink coverage enhancement, the first adjustment module 403 currently makes terminal for adjusting Downlink coverage enhancement scheme；

If coverage enhancement type is uplink and downlink coverage enhancement, the first adjustment module 403 is current to terminal for adjusting The uplink and downlink coverage enhancement scheme used.

Further, if coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, the first sending module 402, for sending absolute coverage enhancement adjust instruction to terminal, terminal is made to be worked as terminal according to absolute coverage enhancement adjust instruction In the preceding coverage enhancement project setting used to specified coverage enhancement scheme；

If coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, the first sending module 402, for sending Opposite coverage enhancement adjust instruction makes terminal according to the currently used covering of opposite coverage enhancement adjust instruction and terminal to terminal Enhanced scheme, will be in terminal currently used coverage enhancement project setting to specified coverage enhancement scheme.

Further, if coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, the first adjustment module 403, for will be covered to specified to the currently used coverage enhancement project setting of terminal according to absolute coverage enhancement adjust instruction In lid enhanced scheme；

If coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, the first adjustment module 403 is used for basis The currently used coverage enhancement scheme of coverage enhancement adjust instruction and terminal relatively, by the coverage enhancement side currently used to terminal Case is adjusted in specified coverage enhancement scheme.

Embodiment 4

An embodiment of the present invention provides a kind of terminals.Referring to Fig. 6, wherein the terminal includes：

Second receiving module 501, the coverage enhancement adjust instruction for receiving base station transmission, coverage enhancement adjust instruction packet Include coverage enhancement type；

Second adjustment module 502, for adjusting the currently used coverage enhancement side of terminal according to coverage enhancement adjust instruction Case；

Second transmission module 503, for using the coverage enhancement scheme transmission data after adjustment.

Further, an embodiment of the present invention provides a kind of terminals.Referring to Fig. 7, which includes：Second receiving module 501, second adjustment module 502 and the second transmission module 503, terminal further include：

Second sending module 504 confirms that adjust instruction to base station, makes base station according to confirmation adjust instruction adjustment for sending The coverage enhancement scheme currently used to terminal.

Further, terminal further includes：

Third sending module 505 makes base station be asked according to coverage enhancement for sending coverage enhancement adjust request to base station Judge whether to adjust the coverage enhancement scheme currently used to terminal.

Further, terminal further includes：

4th sending module 506, for sending status information to base station, which includes under the transmission data of base station Row loss, makes base station be lost according to the state information acquisition downlink.

Further, if coverage enhancement type is uplink coverage enhancement, second adjustment module 502 is covered for basis The currently used uplink coverage enhancement scheme of lid enhancing adjust instruction adjustment terminal；

If coverage enhancement type is downlink coverage enhancement, second adjustment module 502, for being adjusted according to coverage enhancement The currently used downlink coverage enhancement scheme of instruction adjustment terminal；

If coverage enhancement type is uplink and downlink coverage enhancement, second adjustment module 502, for according to coverage enhancement tune The currently used uplink and downlink coverage enhancement scheme of whole instruction adjustment terminal.

Further, if coverage enhancement adjust instruction is absolute coverage enhancement adjust instruction, second adjustment module 502, for according to absolute coverage enhancement adjust instruction by the currently used coverage enhancement project setting of terminal to specify covering In enhanced scheme；

If coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, second adjustment module 502 is used for basis Opposite coverage enhancement adjust instruction and the currently used coverage enhancement scheme of terminal are by the currently used coverage enhancement scheme of terminal It is adjusted in specified coverage enhancement scheme.

In embodiments of the present invention, terminal receives the coverage enhancement adjust instruction that base station is sent, and coverage enhancement adjustment refers to Order includes coverage enhancement type；Terminal adjusts the currently used coverage enhancement scheme of terminal according to the coverage enhancement adjust instruction； Terminal is using the coverage enhancement scheme transmission data after adjustment.Coverage enhancement scheme that can be currently used to terminal in the present invention Carry out closed loop adjustment so that the currently used coverage enhancement scheme of terminal disclosure satisfy that terminal requirements, while be capable of providing data Efficiency of transmission.

Embodiment 5

An embodiment of the present invention provides a kind of base stations.Referring to Fig. 8, wherein the base station includes：First memory 601 and One processor 602, for executing following data transmission method：

Further, the base station adjusts the coverage enhancement scheme currently used to the terminal, including：

Further, the base station judges whether to adjust the coverage enhancement scheme currently used to terminal, including：

The base station obtains the uplink loss of the terminal transmission data, and it is pre- to judge whether the uplink loss is equal to second If threshold value, if not, determining to adjust the coverage enhancement scheme currently used to terminal；

Further, the base station obtains the uplink loss of the terminal transmission data, including：

Further, the base station obtains the downlink loss of the base station transmission data, including：

Further, the base station obtain the terminal transmission data uplink loss and the base station transmission data under Row loss, including：

Further, the transmission coverage enhancement adjust instruction makes the terminal be increased according to the covering to the terminal Strong adjust instruction adjusts the coverage enhancement scheme, including：

Further, the base station sends coverage enhancement adjust instruction to the terminal, and the terminal is made to be covered according to Lid enhancing adjust instruction adjusts the coverage enhancement scheme, including：

If the coverage enhancement adjust instruction is opposite coverage enhancement adjust instruction, the base station is according to described opposite Coverage enhancement adjust instruction and the currently used coverage enhancement scheme of the terminal increase the covering currently used to the terminal In strong project setting to specified coverage enhancement scheme.

Embodiment 6

An embodiment of the present invention provides a kind of terminals.Referring to Fig. 9, wherein the terminal includes：Second memory 701 and Two processors 702, for executing following data transmission method：

Using the coverage enhancement scheme transmission data after adjustment.

Further, the method further includes：

Further, before the terminal receives the coverage enhancement adjust instruction that base station is sent, the method further includes：

Further, described that the coverage enhancement scheme is adjusted according to the coverage enhancement adjust instruction, including：

Further, described that the currently used coverage enhancement side of the terminal is adjusted according to the coverage enhancement adjust instruction Case, including：

It should be noted that：Terminal in the present invention is not limited to MTC terminal, and present invention is also not necessarily limited to scenes of internet of things.On State embodiment offer terminal and base station in data transmission, it is only the example of the division of the above functional modules, real In the application of border, it can be completed as needed and by above-mentioned function distribution by different function modules, i.e., it will be in terminal and base station Portion's structure is divided into different function modules, to complete all or part of the functions described above.In addition, above-described embodiment carries The terminal of confession and base station belong to same design with data transmission method embodiment, and specific implementation process refers to embodiment of the method, Which is not described herein again.

One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims

1. a kind of data transmission method, which is characterized in that the method includes：

Judge whether to adjust the coverage enhancement scheme currently used to terminal；

In the case where adjusting the coverage enhancement scheme currently used to terminal, coverage enhancement adjust instruction is sent to the end End, the coverage enhancement adjust instruction includes coverage enhancement type, and the coverage enhancement type is used to indicate the terminal and should adjust The whole coverage enhancement scheme for being；

The adjustment coverage enhancement scheme currently used to the terminal, and using the coverage enhancement scheme transmission number after adjustment According to.

2. the method as described in claim 1, which is characterized in that the case where the coverage enhancement type is uplink coverage enhancement Under, coverage enhancement adjust instruction is sent to the terminal, including：

Uplink coverage enhancement adjust instruction is sent to the terminal, the uplink coverage enhancement type is used to indicate the terminal and answers The uplink coverage enhancement scheme being adjusted to；

The adjustment coverage enhancement scheme currently used to the terminal, including：

The adjustment uplink coverage enhancement scheme currently used to the terminal.

3. the method as described in claim 1, which is characterized in that the case where the coverage enhancement type is downlink coverage enhancement Under, coverage enhancement adjust instruction is sent to the terminal, including：

Downlink coverage enhancement adjust instruction is sent to the terminal, the downlink coverage enhancement type is used to indicate the terminal and answers The downlink coverage enhancement scheme being adjusted to；

The adjustment downlink coverage enhancement scheme currently used to the terminal.

4. a kind of data transmission method, which is characterized in that the method includes：

The coverage enhancement adjust instruction that base station is sent is received, the coverage enhancement adjust instruction includes coverage enhancement type；

Currently used coverage enhancement scheme is adjusted according to the coverage enhancement type；

Using the coverage enhancement scheme transmission data after adjustment.

5. method as claimed in claim 4, which is characterized in that the case where the coverage enhancement type is uplink coverage enhancement Under, currently used coverage enhancement scheme is adjusted according to the coverage enhancement type, including：

Currently used uplink coverage enhancement scheme is adjusted according to the coverage enhancement type.

6. method as claimed in claim 4, which is characterized in that the case where the coverage enhancement type is downlink coverage enhancement Under, currently used coverage enhancement scheme is adjusted according to the coverage enhancement type, including：

Currently used downlink coverage enhancement scheme is adjusted according to the coverage enhancement type.

7. a kind of data transmission device, which is characterized in that described device includes：

Processing unit is configured as judging whether to adjust the coverage enhancement scheme currently used to terminal；

Transmit-Receive Unit is configured as, in the case where adjusting the coverage enhancement scheme currently used to terminal, sending coverage enhancement Adjust instruction gives the terminal, and the coverage enhancement adjust instruction includes coverage enhancement type, and the coverage enhancement type is used for Indicate the coverage enhancement scheme that the terminal should be adjusted to；

The processing unit is additionally configured to：The adjustment coverage enhancement scheme currently used to the terminal；

The Transmit-Receive Unit is additionally configured to：Using the coverage enhancement scheme transmission data after adjustment.

8. device as claimed in claim 7, which is characterized in that the case where the coverage enhancement type is uplink coverage enhancement Under, the Transmit-Receive Unit is additionally configured to：

The processing unit is additionally configured to：

9. device as claimed in claim 7, which is characterized in that the case where the coverage enhancement type is downlink coverage enhancement Under, the Transmit-Receive Unit is additionally configured to：

The processing unit is additionally configured to：

10. a kind of data transmission device, which is characterized in that described device includes：

Transmit-Receive Unit, the coverage enhancement adjust instruction for receiving base station transmission, the coverage enhancement adjust instruction include covering Enhance type；

Processing unit, for adjusting currently used coverage enhancement scheme according to the coverage enhancement type；

The Transmit-Receive Unit is additionally operable to：Using the coverage enhancement scheme transmission data after adjustment.

11. device as claimed in claim 10, which is characterized in that in the feelings that the coverage enhancement type is uplink coverage enhancement Under condition, the processing unit is additionally configured to：

12. device as claimed in claim 10, which is characterized in that in the feelings that the coverage enhancement type is downlink coverage enhancement Under condition, the processing unit is additionally configured to：

13. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has program, institute Stating program makes communication equipment execute such as claim 1 to 6 any one of them method.

14. a kind of data transmission device, which is characterized in that described device includes pocessor and storage media, the storage medium It is stored with instruction, when described instruction is run by the processor so that the processor is executed such as any one of Claims 1-4 The method.

15. a kind of communication system, which is characterized in that the system comprises such as claim 7 to 9 any one of them device, with And such as claim 10 to 12 any one of them device.