CN107026706A

CN107026706A - Data transmission method, system, base station and terminal

Info

Publication number: CN107026706A
Application number: CN201610070363.1A
Authority: CN
Inventors: 郑毅; 夏亮; 韩璐
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2016-02-01
Filing date: 2016-02-01
Publication date: 2017-08-08
Anticipated expiration: 2036-02-01
Also published as: CN107026706B

Abstract

The invention discloses a kind of data transmission method, base station generates the first control information；First control information is used to indicate the control information that transmission data are used on a second channel；First control information includes the first information and the second information；The first information characterizes the initial time of transmission；The second information representation transmission means；The second channel is the channel that frequency is more than or equal to predeterminated frequency；First control information is sent to terminal by the first channel；First channel is the channel that frequency is less than predeterminated frequency.The present invention also discloses a kind of base station, terminal and data transmission system.

Description

Data transmission method, system, base station and terminal

Technical field

The present invention relates to wireless communication field, more particularly to a kind of data transmission method, system, base station and end End.

Background technology

5th third-generation mobile communication technology (5G) will provide for bigger transmission rate, higher flux density, Need more frequency bandwidths.In order to meet such demand, 5G needs to make full use of higher frequency section to transmit Data.But the characteristic of channel of high band changes more violent compared to low-frequency range.Therefore high frequency channel is utilized Transmit data, can face that channel fluctuation is violent, Doppler shift is larger, to blocking sensitivity the problems such as, so The reliability decrease of transmission can be caused.

The reliability for how ensureing high-frequency transmission is current urgent problem to be solved.

The content of the invention

To solve existing technical problem, the embodiment of the present invention provide a kind of data transmission method, system, Base station and terminal.

To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：

The embodiments of the invention provide a kind of data transmission method, applied to base station, methods described includes：

Generate the first control information；First control information is used to indicate that transmission data to make on a second channel Control information；First control information includes the first information and the second information；The first information table Levy the initial time of transmission；The second information representation transmission means；The second channel be frequency be more than etc. In the channel of predeterminated frequency；

First control information is sent to terminal by the first channel；First channel is that frequency is less than in advance If the channel of frequency.

In such scheme, when the first information is to transmit the absolute time of initial time or is transmission starting The symbolic information at quarter.

In such scheme, methods described also includes：

Generate the second control information；Second control information is used to indicate to transmit number on the second channel The control information related to the second channel current state during；

Second control information is sent to the terminal by the second channel.

In such scheme, first control information also includes：3rd information；3rd information representation is passed Defeated finish time.

In such scheme, methods described also includes：

Generate the 3rd control information；3rd control information is used to indicate to transmit number on the second channel According to finish time；3rd control information is sent to the terminal by the second channel；

Or,

Generate the 4th control information；4th control information is used to indicate to transmit number on the second channel According to finish time；4th control information is sent to the terminal by first channel.

The embodiment of the present invention additionally provides a kind of data transmission method, and applied to terminal, methods described includes：

The first control information that base station is sent is received by the first channel；First control information is used to indicate The control information that transmission data are used on a second channel；First channel is that frequency is less than predeterminated frequency Channel；First control information includes the first information and the second information；

According to the first information, it is determined that transmitting the initial time of data on a second channel；And according to described Second information, it is determined that in the transmission means of the second channel transmitting data；The second channel is frequency More than or equal to the channel of predeterminated frequency；

It is determined that initial time, and using determine transmission means, in the second channel transmitting data.

In such scheme, the first information is the absolute time of transmission initial time；Correspondingly, according to institute The absolute time of transmission initial time is stated, it is determined that transmitting the initial time of data on a second channel；

Or,

The first information is the symbolic information of transmission initial time；Correspondingly, it is described according to the described first letter Breath, it is determined that the initial time of data is transmitted on a second channel, including：

Using the symbolic information, channel synchronization is carried out on the second channel；

By the time after synchronization, it is defined as the initial time in the second channel transmitting data.

In such scheme, it is determined that initial time, and using determine transmission means, described second letter Road transmitting data, including：

The second control information that the base station is sent is received on the second channel；Second control information For indicating related to second channel current state control during the second channel transmitting data Information processed；

Using second control information, the corresponding configured transmission of present data transmission is determined；

Correspondingly, using the transmission means and configured transmission of determination, in the second channel transmitting data.

In such scheme, first control information also includes the 3rd information；The 3rd information representation transmission Finish time；

Correspondingly, methods described also includes：

According to the 3rd information, it is determined that in the finish time of the second channel transmitting data；

It is determined that finish time, terminate in the second channel transmitting data.

In such scheme, methods described also includes：

The 3rd control information that the base station is sent is received by the second channel；3rd control information For indicating the finish time in the second channel transmitting data；

According to the 3rd control information, it is determined that in the finish time of the second channel transmitting data；

It is determined that finish time, terminate in the second channel transmitting data；

Or,

The 4th control information that the base station is sent is received by first channel；4th control information For indicating the finish time in the second channel transmitting data；

According to the 4th control information, it is determined that in the finish time of the second channel transmitting data；

The embodiment of the present invention provides a kind of base station again, including：First generation unit and the first transmitting element； Wherein,

First generation unit, for generating the first control information；First control information is used to indicate The control information that transmission data are used on a second channel；First control information includes the first information and the Two information；The first information characterizes the initial time of transmission；The second information representation transmission means；Institute State the channel that second channel is more than or equal to predeterminated frequency for frequency；

First transmitting element, for sending first control information to terminal by the first channel；Institute State the channel that the first channel is less than predeterminated frequency for frequency.

In such scheme, the base station also includes：Second generation unit and the second transmitting element；Wherein,

Second generation unit, for generating the second control information；Second control information is used to indicate The control information related to the second channel current state during the second channel transmitting data；

Second transmitting element, for sending the second control information to the terminal by the second channel.

In such scheme, the base station also includes：3rd generation unit and the 3rd transmitting element；Wherein,

3rd generation unit, for into the 3rd control information；3rd control information is used to indicate The finish time of the second channel transmitting data；

3rd transmitting element, for sending the 3rd control to the terminal by the second channel Information；

Or,

The base station also includes：4th generation unit and the 4th transmitting element；Wherein,

4th generation unit, for generating the 4th control information；4th control information is used to indicate In the finish time of the second channel transmitting data；

4th transmitting element, for sending the 4th control to the terminal by first channel Information.

The embodiment of the present invention additionally provides a kind of terminal, including：First receiving unit, determining unit and transmission Unit；Wherein,

First receiving unit, for receiving the first control information that base station is sent by the first channel；Institute State the first control information be used for indicate transmit the control information that uses of data on a second channel；First letter Road is the channel that frequency is less than predeterminated frequency；First control information includes the first information and the second information；

The determining unit, for according to the first information, it is determined that of transmission data on a second channel Begin the moment；And according to second information, it is determined that in the transmission means of the second channel transmitting data； The second channel is the channel that frequency is more than or equal to predeterminated frequency；

The transmission unit, for it is determined that initial time, and using determine transmission means, described Second channel transmitting data.

In such scheme, the transmission unit is sent for receiving the base station on the second channel Second control information；Second control information is used to indicate during the second channel transmitting data The control information related to the second channel current state；And using the transmission means and configured transmission determined, In the second channel transmitting data；

The determining unit, is additionally operable to utilize second control information, determines that present data transmission is corresponding Configured transmission.

The determining unit, is additionally operable to according to the 3rd information, it is determined that transmitting number on the second channel According to finish time；

Correspondingly, the transmission unit, be additionally operable to it is determined that finish time, terminate in the second channel Transmitting data.

In such scheme, the terminal also includes：Second receiving unit, for being connect by the second channel Receive the 3rd control information that the base station is sent；3rd control information is used to indicate in the second channel The finish time of transmitting data；

The determining unit, is additionally operable to according to the 3rd control information, it is determined that being uploaded in the second channel The finish time of transmission of data；

The transmission unit, be additionally operable to it is determined that finish time, terminate on the second channel and transmit number According to；

Or,

The terminal also includes：3rd receiving unit, sends out for receiving the base station by first channel The 4th control information sent；4th control information is used to indicate in the second channel transmitting data Finish time；

The determining unit, is additionally operable to according to the 4th control information, it is determined that being uploaded in the second channel The finish time of transmission of data；

The transmission unit, be additionally operable to it is determined that finish time, terminate on the second channel and transmit number According to.

The embodiment of the present invention provides a kind of data transmission system again, including：Base station and terminal；Wherein,

The base station, for generating the first control information；First control information is used to indicate in the second letter The control information that road transmitting data is used；First control information includes the first information and the second information； And first control information is sent to the terminal by the first channel；The second channel is more than for frequency Equal to the channel of predeterminated frequency；First channel is the channel that frequency is less than predeterminated frequency；

The terminal, for receiving the first control information that the base station is sent by the first channel；According to institute The first information is stated, it is determined that transmitting the initial time of data on a second channel；And according to second information, It is determined that in the transmission means of the second channel transmitting data；The second channel is that frequency is more than or equal in advance If the channel of frequency；And it is determined that initial time, and using determine transmission means, described second Channel data.

Data transmission method provided in an embodiment of the present invention, system, base station and terminal, base station generation first are controlled Information processed；First control information is used to indicate the control information that transmission data are used on a second channel； First control information includes the first information and the second information；And send described to terminal by the first channel First control information；The second channel is the channel that frequency is more than or equal to predeterminated frequency；First channel It is less than the channel of predeterminated frequency for frequency；The terminal receives the first control that base station is sent by the first channel Information；According to the first information, it is determined that transmitting the initial time of data on a second channel；And according to institute The second information is stated, it is determined that in the transmission means of the second channel transmitting data；It is determined that initial time, And using the transmission means determined, in the second channel transmitting data, high frequency is transmitted using low frequency channel The corresponding control information at a slow speed of channel, in this way, signaling consumption when reducing high-frequency transmission, improves height and keep pouring in Defeated reliability.

Brief description of the drawings

In accompanying drawing (it is not necessarily drawn to scale), similar reference can be in different views Described in similar part.Similar reference numerals with different letter suffix can represent the difference of similar component Example.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.

Fig. 1 is the method flow schematic diagram of the base station side data transfer of the embodiment of the present invention one；

Fig. 2 is the method flow schematic diagram that the terminal side data of the embodiment of the present invention one is transmitted；

Fig. 3 is the method flow schematic diagram of the data transfer of the embodiment of the present invention one；

Fig. 4 is the schematic diagram of the height frequency range cooperation transmission of the embodiment of the present invention two；

Fig. 5 is the architecture of base station schematic diagram of the embodiment of the present invention three；

Fig. 6 is the terminal structure schematic diagram of the embodiment of the present invention three；

Fig. 7 is the data transmission system structural representation of the embodiment of the present invention three.

Embodiment

Below in conjunction with the accompanying drawings and embodiment to the present invention be described in further detail again.

Because corpuscular property is presented in the electromagnetic wave of high frequency, stronger penetration capacity make it that its propagation loss is larger in addition, Therefore, when transmitting data using high frequency channel, just occur that channel fluctuation is violent, Doppler shift is larger, The problems such as to blocking sensitivity, thus can guide chain road reliability reduction, in other words, can cause transmission can By property reduction, therefore, when being carried out data transmission using high frequency channel, how to ensure the reliability of transmission is Current urgent problem to be solved.

Based on this, in various embodiments of the present invention：Base station generates the first control information；First control Information processed is used to indicate the control information that transmission data are used on a second channel；The first control information bag Include the first information and the second information；And first control information is sent to terminal by the first channel；It is described Second channel is the channel that frequency is more than or equal to predeterminated frequency；First channel is that frequency is less than predeterminated frequency Channel；The terminal receives the first control information that base station is sent by the first channel；According to described first Information, it is determined that transmitting the initial time of data on a second channel；And according to second information, it is determined that The transmission means of the second channel transmitting data；And it is determined that initial time, and using determine Transmission means, in the second channel transmitting data.

Embodiment one

The method of the present embodiment data transfer, applied to base station, as shown in figure 1, this method includes following step Suddenly：

Step 101：Generate the first control information；

Here, first control information is used to indicate the control information that transmission data are used on a second channel； First control information includes the first information and the second information；When the first information characterizes the starting of transmission Carve；The second information representation transmission means.

The second channel is the channel that frequency is more than or equal to predeterminated frequency.

Wherein, in one embodiment, the first information can be the absolute time of transmission initial time, The symbolic information of initial time can be transmitted.

During practical application, the symbolic information, in other words, the symbolic information can be defined as needed It can be the symbolic information of definition, such as can use synchronizing symbol, it is assumed that be opened using the 3rd synchronizing symbol Beginning is transmitted；Transmission initial time etc. is used as using the n-th symbol after synchronizing symbol for another example.

Here, when the corresponding first community of the first channel second community corresponding with second channel is synchronous, institute The absolute time for transmitting initial time can be sent to the terminal by stating base station, and the terminal can be according to described Absolute time, it is determined that transmitting the initial time of data on a second channel.

When first community can not be synchronous with second community, the base station can send to the terminal and transmit The symbolic information at moment beginning, so, the terminal utilize the symbolic information, enterprising in the second channel Row channel synchronization；And be defined as the time after synchronization in the starting of the second channel transmitting data Carve.

The transmission means includes：Transmission means of the high frequency using scheduling or the transmission means using frequency hopping； Resource allocation is using the discrete method of salary distribution or uses continuous transmission means；The design parameter of Power Control (magnitude of power that such as descending either uplink is used or, and per how often adjusting once Power, the step-length adjusted every time is how many)；User's multiplexing be using power distribution or using code division or Other modes；The multi-access mode of candidate；And feedback system etc..

Here, during practical application, base station can determine the transmission of the terminal according to the position of the terminal Mode.

During practical application, first control information can also include：3rd information；3rd information table Levy the finish time of transmission.The terminal is according to the 3rd information, it may be determined that transmit data in second channel Finish time.

First control information can also include：4th information；What the 4th information representation was transmitted every time Time span.

From the above description, it will be seen that first control information is the state change ratio with high frequency channel Slower, so the first control information is properly termed as the control information at a slow speed (control information when long) of high frequency channel.

Step 102：First control information is sent to terminal by the first channel；First channel is Frequency is less than the channel of predeterminated frequency.

Here, during practical application, the number of terminal can be at least one.

Predeterminated frequency can be configured as needed, typically, because the scheme in the embodiment of the present invention can To solve the problem of high-frequency transmission reliability is low, so predeterminated frequency can be 6GHz, so that channel be drawn It is divided into HFS and low frequency part.Specifically, channel of the frequency more than or equal to 6GHz is referred to as high frequency channel, The channel that frequency is less than 6GHz is referred to as low frequency channel.

In one embodiment, in data transmission procedure, this method can also include：

The base station generates the second control information；

Second control information is sent to the terminal by the second channel.

Wherein, second control information is used to indicate during the second channel transmitting data and institute State the related control information of second channel current state.

Here, during practical application, second control information can include the modulation transmitted every time and coding plan Omit the information such as (MCS, Modulation and Coding Scheme), power, resource location.These information It is fast-changing, it is necessary to be adjusted according to the quick change of high frequency channel with the state of channel, so These information are properly termed as the quick control information (control information in short-term) of high frequency channel.

In one embodiment, it is necessary to which when terminating data transfer, this method can also include：

The base station generates the 3rd control information；

3rd control information is sent to the terminal by the second channel.

Wherein, the 3rd control information is used to indicate the finish time in the second channel transmitting data. Correspondingly, the terminal is received after the 3rd control information by the second channel, terminates in second letter Road transmitting data.

The base station generates the 4th control information；

4th control information is sent to the terminal by first channel.

Wherein, the 4th control information is used to indicate the finish time in the second channel transmitting data. Correspondingly, the terminal is received after the 4th control information by first channel, terminates in second letter Road transmitting data.

The present embodiment additionally provides a kind of data transmission method, applied to terminal, as shown in Fig. 2 this method Comprise the following steps：

Step 201：The first control information that base station is sent is received by the first channel；

First channel is the channel that frequency is less than predeterminated frequency.The second channel is more than or equal to for frequency The channel of predeterminated frequency.

Wherein, predeterminated frequency can be configured as needed, typically, due in the embodiment of the present invention Scheme can solve the problem of high-frequency transmission reliability is low, so predeterminated frequency can be 6GHz, so that will Channel is divided into HFS and low frequency part.Specifically, channel of the frequency more than or equal to 6GHz is referred to as height Frequency channel, the channel that frequency is less than 6GHz is referred to as low frequency channel.

Step 202：According to the first information, it is determined that transmitting the initial time of data on a second channel； And according to second information, it is determined that in the transmission means of the second channel transmitting data；

Here, when the corresponding first community of the first channel second community corresponding with second channel is synchronous, institute The absolute time for transmitting initial time can be sent to the terminal by stating base station, in other words, first letter Cease to transmit the absolute time of initial time；Correspondingly, the terminal can be according to the transmission initial time Absolute time, it is determined that transmitting the initial time of data on a second channel.

When first community can not be synchronous with second community, the base station can send to the terminal and transmit The symbolic information at moment beginning, so, the terminal utilize the symbolic information, enterprising in the second channel Row channel synchronization；And be defined as the time after synchronization in the starting of the second channel transmitting data Carve, so as to complete the determination of the initial time to transmitting data on a second channel.

In one embodiment, first control information can also include：4th information；4th information Characterize the time span transmitted every time；Correspondingly, the terminal can be according to the 4th information, it is determined that passing every time Defeated time span.

Step 203：It is determined that initial time, and using determine transmission means, in the second channel Transmitting data.

In one embodiment, implementing for step 203 can include：

The second control information that the base station is sent is received on the second channel；

Here, during practical application, the terminal can it is determined that initial time, and using determine transmission Mode, receives the second control information that the base station is sent on the second channel；Utilize the second of reception Control information, determines the corresponding configured transmission of present data transmission；And utilize the transmission means and transmission determined Parameter, in the second channel transmitting data；

And in data transmission procedure, when the state of channel changes, received on the second channel The second control information that the base station is sent；And currently received second control information is utilized, redefine and work as The corresponding configured transmission of preceding data transfer；And using the transmission means and configured transmission determined, described second Channel data.

Second control information can include the information such as MCS, power, the resource location transmitted every time.This A little information be it is fast-changing, it is necessary to be adjusted according to the quick change of high frequency channel with the state of channel, So these information are properly termed as the quick control information (control information in short-term) of high frequency channel.

During practical application, first control information can also include：3rd information；3rd information table Levy the finish time of transmission；

Correspondingly, this method can also include：

The terminal receives the 3rd control information that the base station is sent by the second channel；According to described 3rd control information, it is determined that in the finish time of the second channel transmitting data；

Wherein, the 3rd control information is used to indicate the finish time in the second channel transmitting data.

The terminal receives the 4th control information that the base station is sent by first channel；

Wherein, the 4th control information is used to indicate the finish time in the second channel transmitting data.

The present embodiment additionally provides a kind of data transmission method, as shown in figure 3, this method comprises the following steps：

Step 301：Base station generates the first control information；And send described first to terminal by the first channel Control information；

Here, first control information is used to indicate the control information that transmission data are used on a second channel.

First control information includes the first information and the second information.

The second channel is the channel that frequency is more than or equal to predeterminated frequency；First channel is less than for frequency The channel of predeterminated frequency.

Step 302：The terminal receives the first control information that base station is sent by the first channel；According to institute The first information is stated, it is determined that transmitting the initial time of data on a second channel；And according to second information, It is determined that in the transmission means of the second channel transmitting data；

Step 303：The terminal it is determined that initial time, and using determine transmission means, described Second channel transmitting data.

During practical application, the number of terminal can be at least one.

It should be noted that：The concrete processing procedure of base station and terminal is repeated no more here as detailed above.

Data transmission method provided in an embodiment of the present invention, base station generates the first control information；First control Information processed is used to indicate the control information that transmission data are used on a second channel；The first control information bag Include the first information and the second information；And first control information is sent to terminal by the first channel；It is described Second channel is the channel that frequency is more than or equal to predeterminated frequency；First channel is that frequency is less than predeterminated frequency Channel；The terminal receives the first control information that base station is sent by the first channel；According to described first Information, it is determined that transmitting the initial time of data on a second channel；And according to second information, it is determined that The transmission means of the second channel transmitting data；It is determined that initial time, and using determine transmission Mode, in the second channel transmitting data, using low frequency channel transmission, high frequency channel is corresponding controls at a slow speed Information processed, in this way, signaling consumption when reducing high-frequency transmission, improves the reliability of high-frequency transmission.

In addition, sending first control information to terminal by the first channel, transmitted using low frequency channel high The corresponding control information at a slow speed of frequency channel, the general direction of the terminal obtained during using low-frequency transmission, it becomes possible to Directly obtaining high frequency needs direction and the weights of excipient, so, it is possible reduction low frequent user and is searched in high frequency cell The time of rope and beam search；Simultaneously as control information is transmitted by low frequency channel at a slow speed, so in height More contents or finer granularity can be included by keeping pouring in defeated control information, so as to add user In high-frequency transmission, the flexibility to high-frequency transmission mode.

In addition, the second control information, quick control letter are sent to the terminal by the second channel Breath (control information in short-term) is directly transmitted on high frequency channel, so, it is possible to make high-frequency transmission with high frequency believe Quick change under road is matched in time, further increases efficiency of transmission and reliability.

Embodiment two

The present embodiment is described in detail how to carry out the transmission side of height frequency range cooperation on the basis of embodiment one Formula.

The application scenarios of the present embodiment are：Pass through low frequency channel correspondence low frequency three user equipmenies of cell configuration (UE, User Equipment) is transmitted in high frequency channel.Three UE be respectively UE1, UE2, UE3, and a length of t when specifying high-frequency transmission.

Fig. 4 shows the schematic diagram of height frequency range cooperation transmission.With reference to Fig. 4, the present embodiment height frequency range association The transmission method of work, is mainly included the following steps that：

Step 401：Three UE (UE1, UE2, UE3) are given in base station by the corresponding low frequency cell of low frequency channel It is arranged respectively at the control information at a slow speed transmitted on high frequency channel；

Here, control information includes at a slow speed：Transmit initial time absolute time (or transmission initial time Symbolic information) and transmission means (configuration information of transmission).Control information can also include at a slow speed：Every time The time span of transmission.

Base station can determine UE1, UE2, UE3 transmission means according to each UE position；

The transmission means of determination includes：Transmission means of the high frequency using scheduling or the transmission means using frequency modulation； Resource allocation is using the discrete method of salary distribution or uses continuous transmission means；The design parameter of Power Control； User's multiplexing is using power distribution or uses code division or other modes；The multi-access mode of candidate；And Feedback system etc..

In configuration information, the precoding S1, S2, S3, S4 of sector-level is respectively adopted in configuration UE1, UE2, UE3 In a precoding, it is assumed that be UE1 configuration precoding be S1, i.e. UE1->S1, is UE2 configurations Precoding be S1, i.e. UE2->S1, the precoding for being UE2 configurations is S3, i.e. UE3->S3, and base In the precoding of configuration, candidate's precoding of configuration UE1, UE2, UE3 fine setting, it is assumed that for UE1 configurations Candidate's precoding be p1, p2, p3, p4, i.e. UE1->{ p1, p2, p3, p4 }, is that the candidate of UE2 configurations prelists Code is p3, p4, p5, p6, i.e. UE2->{ p3, p4, p5, p6 }, is that candidate's precoding that UE3 is configured is P1, p2, p3, p4, i.e. UE3->{p1,p2,p3,p4}.

Wherein, when the corresponding high frequency cell of high frequency channel and low frequency cell synchronous, base station configuration transmission starting The absolute time (such as frame number etc.) at moment.

When high frequency cell and low frequency cell can not be synchronous, the symbolic information of base station configuration transmission initial time.

Step 402：Each UE is received after control information at a slow speed, according to the absolute of the transmission initial time of configuration Time or symbolic information, determine the transmission initial time of high frequency channel, and it is determined that initial time and really Fixed transmission means, the quick control information transmitted on high frequency channel is received by high frequency cell；And according to fast Fast control information, determines configured transmission；

Here, when configuration be to transmit the symbolic information of initial time when, each UE needs to follow the trail of corresponding symbol Number, channel synchronization is carried out on high frequency channel, and by the initiation time of business after synchronization, be used as high-frequency transmission Transmission initial time.

Quick control information can be included：The information such as the MCS, power, the resource location that transmit every time.

Step 403：Each UE according to the quick control information of high frequency cell, it is determined that transmission means and transmission ginseng Number, carries out data transmission on high frequency channel；

Wherein, UE1, UE2, UE3 start at respective specified moment (it is determined that transmission initial time), Carried out data transmission according to the scheduling of high frequency cell.During practical application, base station can basis in data transmission procedure The current state of channel constantly adjusts the MCS grades that UE1, UE2, UE3 transmit use every time, and base The candidate's precoding used every time is constantly adjusted in sector precoding, and is believed by the quick control of high frequency cell Breath is notified to each UE.

Step 404：Data transfers of each UE on high frequency channel terminates until the specified end of transmission moment.

Here, the finish time of transmission can be carried in the control information at a slow speed of step 401, can also be When needing to terminate data transfer, base station is sent for indicating in high frequency channel by low frequency cell to each UE Transmit the control information at end of data moment；Can also be that base station passes through high frequency when needing to terminate data transfer Cell is sent for indicating the control information in high frequency channel transmitting data finish time to each UE.

The scheme of the embodiment of the present invention, base station sends control information to terminal, control information by low frequency channel In the main control information at a slow speed used comprising terminal in high frequency channel.And other states according to channel are quick It is direct if changing to need the control information such as quick control information such as Power Control, schedule information being adjusted It is transmitted in high frequency cell.High frequency cell is at specific starting point (initial time of high-frequency transmission) The terminal for receiving control information is serviced, and is carried out in data transmission procedure according to different transmission means Different configurations (being configured by way of sending quick control information), is tied until the specified end of transmission moment Beam.

From the above description, it will be seen that after using the scheme of the embodiment of the present invention, can have following excellent Point：

First, by introduce low frequency configure it is long when control information (control information at a slow speed), low frequency can be reduced User is in the cell searching of high frequency and the time of beam search.

Secondly, part control information (control information at a slow speed) has directly obtained high frequency cell by low frequency cell Control information, reduce signaling consumption during high-frequency transmission.And user is added in high-frequency transmission, it is right The flexibility of high-frequency transmission mode.

Finally, control information (quick control information) is directly transmitted on high frequency in short-term, contributes to height to keep pouring in The defeated quick change with high frequency channel can be matched in time, so as to further increase efficiency of transmission and reliable Property.

Embodiment three

Method to realize the embodiment of the present invention, the present embodiment provides a kind of base station, as shown in figure 5, the base Station includes：First generation unit 51 and the first transmitting element 52；Wherein,

First generation unit 51, for generating the first control information；First control information is used to refer to Show the control information that transmission data are used on a second channel；First control information include the first information and Second information；The first information characterizes the initial time of transmission；The second information representation transmission means； The second channel is the channel that frequency is more than or equal to predeterminated frequency；

First transmitting element 52, for sending first control information to terminal by the first channel； First channel is the channel that frequency is less than predeterminated frequency.

Here, when the corresponding first community of the first channel second community corresponding with second channel is synchronous, institute State the first generation unit 51 and first control information is generated using the absolute time of transmission initial time；Correspondingly, First transmitting element 52 can send the absolute time for transmitting initial time, the terminal to the terminal Can be according to the absolute time, it is determined that transmitting the initial time of data on a second channel.

When first community can not be synchronous with second community, when first generation unit 51 is using transmission starting The symbolic information at quarter generates the first control information；Correspondingly, first transmitting element 52 can be to the end End sends the symbolic information of transmission initial time, so, and the terminal utilizes the symbolic information, described Channel synchronization is carried out on second channel；And by the time after synchronization, be defined as transmitting on the second channel The initial time of data.

During practical application, the number of terminal can be at least one.

In one embodiment, the base station can also include：Second generation unit and the second transmitting element；Wherein,

Second generation unit, in data transmission procedure, generating the second control information；Described second Control information is used to indicate during the second channel transmitting data and the second channel current state Related control information；

Here, during practical application, second control information can comprising transmit every time MCS, power, The information such as resource location.These information are fast-changing, it is necessary to according to high frequency channel with the state of channel What quick change was adjusted, so these information are properly termed as the quick control information of high frequency channel (in short-term Control information).

In one embodiment, the base station can also include：3rd generation unit and the 3rd transmitting element；Wherein,

3rd generation unit, for needing to terminate during data transfer, into the 3rd control information；Described Three control information are used to indicate the finish time in the second channel transmitting data；

Correspondingly, the terminal is received after the 3rd control information by the second channel, terminates in described Two channel data.

In one embodiment, the base station can also include：4th generation unit and the 4th transmitting element；Wherein,

4th generation unit, during data transfer, the 4th control information is generated for needing to terminate；It is described 4th control information is used to indicate the finish time in the second channel transmitting data；

Correspondingly, the terminal is received after the 4th control information by first channel, terminates in described Two channel data.

During practical application, the first generation unit 51, the second generation unit, the 3rd generation unit and the 4th generation Unit can by the central processing unit (CPU, Central Processing Unit) in base station, microprocessor (MCU, Micro Control Unit), digital signal processor (DSP, Digital Signal Processor) or can compile Journey logic array (FPGA, Field-Programmable Gate Array) is realized；First transmitting element 52, Second transmitting element, the 3rd transmitting element and the 4th transmitting element can be by the transceiver implementations in base station.

Method to realize the embodiment of the present invention, the present embodiment additionally provides a kind of terminal, as shown in fig. 6, The terminal includes：First receiving unit 61, determining unit 62 and transmission unit 63；Wherein,

First receiving unit 61, for receiving the first control information that base station is sent by the first channel； First control information is used to indicate the control information that transmission data are used on a second channel；Described first Channel is the channel that frequency is less than predeterminated frequency；First control information includes the first information and the second information；

The determining unit 62, for according to the first information, it is determined that transmitting data on a second channel Initial time；And according to second information, it is determined that in the transmission means of the second channel transmitting data； The second channel is the channel that frequency is more than or equal to predeterminated frequency；

The transmission unit 63, for it is determined that initial time, and using determine transmission means, in institute State second channel transmitting data.

When the corresponding first community of the first channel second community corresponding with second channel is synchronous, the base station The absolute time for transmitting initial time can be sent to the terminal, in other words, the first information is biography The absolute time of defeated initial time；Correspondingly, the determining unit 62 can be according to the transmission initial time Absolute time, it is determined that transmitting the initial time of data on a second channel.

When first community can not be synchronous with second community, the base station can send to the terminal and transmit The symbolic information at moment beginning, so, the determining unit 62 utilizes the symbolic information, in the described second letter Channel synchronization is carried out on road；And be defined as the time after synchronization in the second channel transmitting data Initial time, so as to complete the determination of the initial time to transmitting data on a second channel.

In one embodiment, first control information can also include：4th information；4th information Characterize the time span transmitted every time；Correspondingly, the determining unit 62 can according to the 4th information, it is determined that The time span transmitted every time.

In one embodiment, the transmission unit 63, for receiving the base station hair on the second channel The second control information sent；Second control information is used to indicate in the second channel transmitting data mistake The related control information of second channel current state described in Cheng Zhongyu；And utilize the transmission means and transmission determined Parameter, in the second channel transmitting data；

The determining unit 62, is additionally operable to utilize second control information, determines present data transmission correspondence Configured transmission.

Here, during practical application, the transmission unit 63 can it is determined that initial time, and using determine Transmission means, the second control information that the base station is sent is received on the second channel；Again by described Determining unit 62 determines the corresponding configured transmission of present data transmission using the second control information received；Again By the transmission unit 63 using the transmission means and configured transmission that determine, number is transmitted on the second channel According to；

And in data transmission procedure, when the state of channel changes, the transmission unit 63 is described The second control information that the base station is sent is received on second channel；And current reception is utilized by determining unit 62 The second control information, redefine the corresponding configured transmission of present data transmission；Again by transmission unit 63 Using the transmission means and configured transmission of determination, in the second channel transmitting data.

In one embodiment, the terminal can also include：Second receiving unit, for believing by described second Road receives the 3rd control information that the base station is sent；3rd control information is used to indicate described second The finish time of channel data；

The determining unit 62, is additionally operable to according to the 3rd control information, it is determined that on the second channel Transmit the finish time of data；

The transmission unit 63, be additionally operable to it is determined that finish time, terminate on the second channel transmit Data.

In one embodiment, terminal can also include：3rd receiving unit, for passing through first channel Receive the 4th control information that the base station is sent；4th control information is used to indicate in the described second letter The finish time of road transmitting data；

The determining unit 62, is additionally operable to according to the 4th control information, it is determined that on the second channel Transmit the finish time of data；

During practical application, the first receiving unit 61, the second receiving unit, the 3rd receiving unit can be in terminals Receiver realize；The determining unit 62 can be real by CPU, MCU, DSP or FPGA in terminal It is existing；The transmission unit 63 can be real by CPU, MCU, DSP or FPGA combination transceiver in terminal It is existing.

Method to realize the embodiment of the present invention, the present embodiment additionally provides a kind of data transmission system, such as schemes Shown in 7, the system includes：Base station 71 and terminal 72；Wherein,

The base station 71, for generating the first control information；First control information is used to indicate second The control information that channel data are used；First control information includes the first information and the second information； And first control information is sent to the terminal 72 by the first channel；The second channel is that frequency is big In the channel equal to predeterminated frequency；First channel is the channel that frequency is less than predeterminated frequency；

The terminal 72, for receiving the first control information that the base station 71 is sent by the first channel； According to the first information, it is determined that transmitting the initial time of data on a second channel；And according to described second Information, it is determined that in the transmission means of the second channel transmitting data；The second channel is more than for frequency Equal to the channel of predeterminated frequency；And it is determined that initial time, and using determine transmission means, in institute State second channel transmitting data.

During practical application, the number of terminal 72 can be at least one.

It should be noted that：The concrete processing procedure of base station 71 and terminal 72 is as detailed above, here not Repeat again.

Scheme provided in an embodiment of the present invention, base station generates the first control information；First control information is used In the control information for indicating that transmission data are used on a second channel；First control information includes the first letter Breath and the second information；And first control information is sent to terminal by the first channel；The second channel It is more than or equal to the channel of predeterminated frequency for frequency；First channel is the channel that frequency is less than predeterminated frequency； The terminal receives the first control information that base station is sent by the first channel；According to the first information, really It is scheduled on the initial time of second channel transmitting data；And according to second information, it is determined that described second The transmission means of channel data；It is determined that initial time, and using determine transmission means, The second channel transmitting data, the corresponding control information at a slow speed of high frequency channel is transmitted using low frequency channel, In this way, signaling consumption when reducing high-frequency transmission, improves the reliability of high-frequency transmission.

It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can using hardware embodiment, software implementation or combine software and The form of the embodiment of hardware aspect.Moreover, the present invention can be used wherein includes calculating one or more The computer-usable storage medium of machine usable program code (includes but is not limited to magnetic disk storage and optical storage Device etc.) on the form of computer program product implemented.

The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program product Flow chart and/or block diagram describe.It should be understood that can be by computer program instructions implementation process figure and/or side Each flow and/or square frame in block diagram and flow and/or the knot of square frame in flow chart and/or block diagram Close.Can provide these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or The processor of other programmable data processing devices is to produce a machine so that by computer or other can The instruction of the computing device of programming data processing equipment is produced for realizing in one flow or multiple of flow chart The device for the function of being specified in one square frame of flow and/or block diagram or multiple square frames.

These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices In the computer-readable memory worked in a specific way so that be stored in the computer-readable memory Instruction, which is produced, includes the manufacture of command device, and the command device is realized in one flow of flow chart or multiple streams The function of being specified in one square frame of journey and/or block diagram or multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices, made Obtain and perform series of operation steps on computer or other programmable devices to produce computer implemented place Reason, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart one The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the protection model of the present invention Enclose.

Claims

1. a kind of data transmission method, it is characterised in that applied to base station, methods described includes：

2. according to the method described in claim 1, it is characterised in that when the first information is transmission starting The absolute time at quarter or the symbolic information for transmission initial time.

3. method according to claim 1 or 2, it is characterised in that methods described also includes：

Second control information is sent to the terminal by the second channel.

4. method according to claim 3, it is characterised in that first control information also includes： 3rd information；The finish time of the 3rd information representation transmission.

5. method according to claim 3, it is characterised in that methods described also includes：

Or,

6. a kind of data transmission method, it is characterised in that applied to terminal, methods described includes：

7. method according to claim 6, it is characterised in that when the first information is transmission starting The absolute time at quarter；Correspondingly, according to the absolute time of the transmission initial time, it is determined that in second channel The initial time of transmitting data；

Or,

8. the method according to claim 6 or 7, it is characterised in that it is determined that initial time, and Using the transmission means of determination, in the second channel transmitting data, including：

9. method according to claim 8, it is characterised in that first control information also includes the Three information；The finish time of the 3rd information representation transmission；

Correspondingly, methods described also includes：

10. method according to claim 8, it is characterised in that methods described also includes：

Or,

11. a kind of base station, it is characterised in that the base station includes：First generation unit and the first transmission are single Member；Wherein,

12. base station according to claim 11, it is characterised in that the base station also includes：Second life Into unit and the second transmitting element；Wherein,

13. the base station according to claim 11 or 12, it is characterised in that the base station also includes： 3rd generation unit and the 3rd transmitting element；Wherein,

Or,

14. a kind of terminal, it is characterised in that the terminal includes：First receiving unit, determining unit and Transmission unit；Wherein,

15. terminal according to claim 14, it is characterised in that the transmission unit, in institute State and the second control information that the base station is sent is received on second channel；Second control information is used to indicate The control information related to the second channel current state during the second channel transmitting data； And using the transmission means and configured transmission determined, in the second channel transmitting data；

16. the terminal according to claims 14 or 15, it is characterised in that first control information Also include the 3rd information；The finish time of the 3rd information representation transmission；

17. the terminal according to claims 14 or 15, it is characterised in that the terminal also includes： Second receiving unit, for receiving the 3rd control information that the base station is sent by the second channel；Institute State the 3rd control information be used for indicate the second channel transmitting data finish time；

Or,

18. a kind of data transmission system, it is characterised in that the system includes：Base station and terminal；Wherein,