CN105165077B

CN105165077B - A kind of carrier data transmission method and device

Info

Publication number: CN105165077B
Application number: CN201480001621.XA
Authority: CN
Inventors: 李秉肇; 张戬; 权威; 胡振兴
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-01-27
Filing date: 2014-01-27
Publication date: 2019-06-11
Anticipated expiration: 2034-01-27
Also published as: WO2015109594A1; CN105165077A

Abstract

A kind of carrier data transmission method and device, wherein the realization of method includes: the downlink frame for receiving and being sent from the network equipment by secondary carrier；The downlink frame of the secondary carrier carrying includes lead data and frame unit；The initial position of frame unit is determined by the information that the lead data carries, and determines the subframe numbers of each subframe of frame unit；Subframe numbers according to each subframe of frame unit obtain the content-data carried in each subframe of frame unit.The network equipment joined lead data in the downlink frame that secondary carrier is sent, enable the terminals to determine therefrom that the initial position of the frame unit of carrying content-data, and determine the subframe numbers of frame unit, data need not can be transmitted until the frame of main carrier and secondary carrier alignment, realize the asynchronous transmission and scheduling of carrier wave, the resource utilization of secondary carrier is improved, carrier resource is saved；Above scheme is synchronized due to not needing, and also no need to send synchronizing channels, can save channel resource.

Description

A kind of carrier data transmission method and device

Technical field

The present invention relates to field of communication technology, in particular to a kind of carrier data transmission method and device.

Background technique

In field of communication technology, unlicensed spectrum refers to total public frequency spectrum.Any organization or individual can use Common frequency spectrum, but using when to follow certain rule, it may be assumed that first listen and send out afterwards, only in the uppick unauthorized frequency spectrum free time, The signal that can be sent in unlicensed spectrum.

LTE (Long Term Evolution, long term evolution) carrier wave is disposed in unlicensed spectrum can be used as secondary carrier and is UE (User Equipment, user equipment/terminal) carries out data transmission.But the carrier-wave transmission may not be continuous, competition A period of time can be used after to resource, other system cannot use after occupying the frequency.

Synchronous secondary carrier, is an importance of carrier synchronization.In current LTE CA (Long Term Evolution carrier aggregation, the polymerization of long term evolution carrier wave) in technology, main carrier with secondary carrier be it is synchronous, I.e. the subframe numbers of main carrier frame boundary and subframe are all aligned with the subframe numbers of the frame boundaries of secondary carrier and subframe.

Under the premise of main carrier is synchronous with secondary carrier, cross-carrier scheduling can be such that current CA (Carrier Aggregation, carrier wave polymerization) in can each carrier wave PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) dispatch the data of oneself carrier wave, can also cross-carrier i.e. one carrier wave of scheduling PDCCH scheduling in addition The data of one carrier wave.For example the PDCCH of main carrier dispatches the data of main carrier and secondary carrier simultaneously.Cross-carrier scheduling is PDSCH (the Physical Downlink Shared of the subframe numbers of the subframe numbers scheduling same subframe of the subframe of PDCCH Channel, Physical Downlink Shared Channel) part, such as main carrier 0 work song frame PDCCH scheduling main carrier 0 work song frame PDSCH can also dispatch the PDSCH of 0 work song frame of secondary carrier.

Under the premise of main carrier is synchronous with secondary carrier, joint feedback be can be such that

In current multicarrier technology, the uplink feedback confirmation of downlink transfer is sent by main carrier combined coding. 3ms is spaced between downlink data and corresponding uplink feedback, for example the feedback acknowledgment information that the corresponding time point of subframe 5 sends is The feedback acknowledgment of the data of corresponding subframe 1, if main carrier and secondary carrier all have sent data, the corresponding master of feedback acknowledgment information Data at the subframe 1 of carrier wave and the data at the subframe 1 of secondary carrier.

If disposing LTE secondary carrier on discontinuous frequency spectrum, the time of competition to resource is random.Therefore in order to keep Synchronous carrier wave needs to use at the frame boundaries with main carrier alignment, wastes carrier resource.In addition, it is same to execute carrier wave The process of step, needs secondary carrier periodically to send synchronizing channel, to keep UE in the synchronization of secondary carrier, then can waste channel Resource.

Summary of the invention

The embodiment of the invention provides a kind of carrier data transmission method and devices, for improving the resource benefit of secondary carrier With rate, carrier resource is saved, and saves channel resource.

On the one hand the embodiment of the present invention provides a kind of carrier data transmission method comprising:

Receive the downlink frame sent from the network equipment by secondary carrier；The downlink frame of the secondary carrier carrying includes leading Data and frame unit；

The initial position of frame unit is determined by the information that the lead data carries, and determine each subframe of frame unit Subframe numbers；

Subframe numbers according to each subframe of frame unit obtain the content-data carried in each subframe of frame unit.

In conjunction with the implementation of one side, in the first possible implementation, the lead data includes leading list Member, the pilot unit include at least one lead code；

Alternatively, it includes two or more lead codes that the lead data, which includes pilot unit described in pilot unit, Each lead code is distributed in different time position or the frequency domain position of the pilot unit；

Alternatively, the lead data includes pilot unit and message elements, the pilot unit includes that at least one is leading Code, the message elements include at least one message, and the message elements carry the cell ID, frame unit for sending lead code Originate at least one in subframe numbers, duration, feedback timing offset and the uplink and downlink proportion relation of subframe；

Alternatively, the lead data include pilot unit and message elements, the pilot unit include two or two with On lead code, each lead code is distributed in the different location or frequency domain position of the pilot unit, and the message elements include two A or more than two message, the message distribution are described to disappear in the different time position of the message elements or frequency domain position The cell ID of interest statement member carrying transmission lead code, the subframe numbers of the starting subframe of frame unit, duration, feedback timing are inclined At least one of in difference and uplink and downlink proportion relation.

In conjunction with the first possible implementation of one side, in the second possible implementation, the method is also Include:

Determine that the downlink frame belongs to downlink according to the cell ID of message elements or according to the lead code of pilot unit Then secondary carrier carries out data receiver to the frame unit for including in the downlink frame；

Alternatively, determining that the downlink frame is not belonging to downlink secondary carrier according to the cell ID of message elements, disappeared according to described The duration for including in interest statement member determines that no longer detection detects the pilot unit within the duration.

In conjunction with the first possible implementation of one side, in the third possible implementation, the leading list Member contains at least two lead code, and there are identical lead code or different lead codes；Alternatively, the message elements include At least two message, and there are identical message or different message.

In conjunction with the first possible implementation of one side, in the fourth possible implementation, the method, also Include:

According to feedback timing offset and uplink and downlink proportion relation that message elements carry, the uplink and downlink of the frame unit is determined Subframe proportion relation.

In conjunction with the first possible implementation of one side, in a fifth possible implementation, the leading list The catching method of lead code of member includes:

Before receiving from the network equipment through the downlink frame that is sent in the secondary carrier, other than the secondary carrier The informing from the network equipment is received on other carrier waves will send the notification of lead code；Receiving notification Afterwards, lead code is captured by detection pilot unit；Alternatively, capturing lead code by continuously monitoring pilot unit；Alternatively, logical It crosses and is periodically detected pilot unit to capture lead code.

In conjunction with one side implementation or one side the first, second, the third, the 4th kind or the 5th The possible implementation of kind, in a sixth possible implementation, the downlink frame of the secondary carrier carrying also includes to terminate Indicate information, the termination instruction information, which is used to indicate downlink transfer, to be terminated.

In conjunction with one side implementation or aspect the first, second, the third, the 4th kind or the 5th kind Possible implementation, in the 7th kind of possible implementation, the subframe numbers of each subframe of the determining frame unit include:

The subframe numbers of each subframe of frame unit are determined according to the initial subframe number carried in the message elements；

Alternatively, being numbered according to scheduled numeral order to each ordering of sub-frames；

Alternatively, the frame number according to lead code or according to the corresponding main carrier of frame unit timing determines the subframe of each subframe Number.

In conjunction with the implementation of one side, in the 8th kind of possible implementation, the method also includes being determined in master The feedback acknowledgment information sent on carrier wave subframe numbers corresponding with secondary carrier；The feedback acknowledgment that the determination is sent on main carrier Information subframe numbers corresponding with secondary carrier include:

The lead data carries feedback timing offset, determines the feedback sent on main carrier according to feedback timing offset Confirmation message subframe numbers corresponding with secondary carrier；

Alternatively, determining the feedback acknowledgment information sent on main carrier according to the subframe deviation between secondary carrier and main carrier Subframe numbers corresponding with secondary carrier；

Alternatively, corresponding the first subframe numbers of main carrier of feedback acknowledgment information sent on main carrier are determined, described in determination The corresponding and described secondary carrier of the feedback acknowledgment information sent on main carrier and the first subframe numbers have the subframe of same subframe frame number.

A kind of carrier data transmission method is provided in terms of the embodiment of the present invention two, comprising:

Construct the downlink frame that will be carried in secondary carrier；The downlink frame includes lead data and frame unit；Before described Derivative is according to the instruction information carried for determining the initial position of frame unit, and determines the subframe numbers of each subframe of frame unit Information；

Downlink frame is sent to the terminal by the secondary carrier, carries out the terminal according to each subframe numbers of frame unit Data receiver.

In conjunction with the implementation of two aspects, in the first possible implementation, the lead data includes leading list Member, the pilot unit include at least one lead code；

In conjunction with the first possible implementation of two aspects, in the second possible implementation, the leading list Member contains at least two lead code, and there are identical lead code or different lead codes；Alternatively, the message elements include At least two message, and there are identical message or different message.

In conjunction with the first possible implementation of two aspects, in the third possible implementation, the method is also Include:

By the secondary carrier to the terminal send downlink frame before, on other carrier waves other than the secondary carrier to The terminal sends the notification informed and will send lead code.

In conjunction with two aspect implementation perhaps two aspect the first second or the third possible realization side Formula, in the fourth possible implementation, the downlink frame of the secondary carrier carrying also includes termination instruction information, the knot Beam instruction information, which is used to indicate downlink transfer, to be terminated.

A kind of carrier wave data transmission device is provided in terms of the embodiment of the present invention three, comprising:

Frame receiving unit, for receiving the downlink frame sent from the network equipment by secondary carrier；The secondary carrier carrying Downlink frame include lead data and frame unit；

Information determination unit, the information that the lead data for being received by the frame receiving unit carries determine The initial position of frame unit, and determine the subframe numbers of each subframe of frame unit；

Data capture unit, the subframe numbers getting frame of each subframe of the frame unit for being determined according to information determination unit The content-data carried in each subframe of unit.

In conjunction with the implementation of three aspects, in the first possible implementation, the frame receiving unit, for receiving The lead data arrived includes pilot unit, and the pilot unit includes at least one lead code；

In conjunction with the implementation of three aspects, in the second possible implementation, the data capture unit is used for root Cell ID according to message elements or the lead code according to pilot unit determine that the downlink frame belongs to downlink secondary carrier, then Data receiver is carried out to the frame unit for including in the downlink frame；Alternatively, the information determination unit, for according to message elements Cell ID determine that the downlink frame is not belonging to downlink secondary carrier, according to the duration for including in the message elements, really It is scheduled in the duration no longer detection and detects the pilot unit.

In conjunction with the implementation of three aspects, in the third possible implementation, the frame receiving unit, for receiving To the pilot unit contain at least two lead code, and there are identical lead code or different lead codes；Alternatively, institute It states message elements and contains at least two message, and there are identical message or different message.

In conjunction with the implementation of three aspects, in the fourth possible implementation, the information determination unit is also used to According to feedback timing offset and uplink and downlink proportion relation that message elements carry, the ratio of uplink subframe to downlink subframe of the frame unit is determined Relationship.

In conjunction with the implementation of three aspects, in a fifth possible implementation, the information determination unit, for leading to Continuous monitoring pilot unit is crossed to capture lead code；Alternatively, capturing lead code by being periodically detected pilot unit；Alternatively, Described device further include:

Information receiving unit, for before receiving from the network equipment through the downlink frame that is sent in the secondary carrier, The informing from the network equipment is received on other carrier waves other than the secondary carrier will send the informing letter of lead code Breath；

The information determination unit, it is leading by detecting for after the information receiving unit receives notification Unit captures lead code.

In conjunction with three aspect implementation or three aspect the first, second, the third, the 4th kind or the 5th The possible implementation of kind, in a sixth possible implementation, the frame receiving unit, the auxiliary load for receiving The downlink frame of wave carrying also includes termination instruction information；

The information determination unit is also used to determine whether downlink transfer terminates according to the termination instruction information.

In conjunction with three aspect implementation or three aspect the first, second, the third, the 4th kind or the 5th The possible implementation of kind, in the 7th kind of possible implementation, the information determination unit, for according to the message list The initial subframe number carried in member determines the subframe numbers of each subframe of frame unit；Alternatively, according to scheduled numeral order to each son Frame sequence numbering；Alternatively, the frame number according to lead code or according to the corresponding main carrier of frame unit timing determines each subframe Subframe numbers.

In conjunction with the implementation of one side, in the 8th kind of possible implementation, the information determination unit is also used to The feedback acknowledgment information subframe numbers corresponding with secondary carrier sent on main carrier are determined as follows；The lead data is taken Band feedback timing offset determines that the feedback acknowledgment information sent on main carrier is corresponding with secondary carrier according to feedback timing offset Subframe numbers；Alternatively, determining the feedback acknowledgment information sent on main carrier according to the subframe deviation between secondary carrier and main carrier Subframe numbers corresponding with secondary carrier；Alternatively, determining corresponding the first son of main carrier of the feedback acknowledgment information sent on main carrier Frame number determines that the corresponding and described secondary carrier of the feedback acknowledgment information sent on the main carrier has identical son with the first subframe numbers The subframe of frame frame number.

A kind of carrier wave data transmission device is provided in terms of the embodiment of the present invention four, comprising:

Frame structural unit, for constructing the downlink frame that will be carried in secondary carrier；The downlink frame include lead data with And frame unit；The lead data carries the instruction information for determining the initial position of frame unit, and determines frame unit Each subframe subframe numbers information；

Frame transmission unit, for sending the downlink that the frame structural unit constructs to the terminal by the secondary carrier Frame makes the terminal carry out data receiver according to each subframe numbers of frame unit.

In conjunction with the implementation of four aspects, in the first possible implementation, the frame structural unit, in institute Lead data setting pilot unit is stated, the pilot unit includes at least one lead code；

In conjunction with the implementation of four aspects, in the second possible implementation, the frame structural unit, for constructing The downlink frame in, the pilot unit contains at least two lead code, and there are identical lead code or it is different before Leading code；Alternatively, the message elements contain at least two message, and there are identical message or different message.

In conjunction with the implementation of four aspects, in the third possible implementation, described device further include:

Information transmitting unit, for the frame transmission unit by the secondary carrier to the terminal transmission downlink frame it Before, it is sent on other carrier waves other than the secondary carrier to the terminal and informs the notification that will send lead code.

In conjunction with four aspect implementation perhaps four aspect the first second or the third possible realization side Formula, in the fourth possible implementation, the frame structural unit, in the downlink frame of construction, also including knot Beam indicates information, and the termination instruction information, which is used to indicate downlink transfer, to be terminated.

As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that the network equipment is sent in secondary carrier Downlink frame in joined lead data, enable the terminals to determine therefrom that the initial position of the frame unit of carrying content-data, and Determine the subframe numbers of frame unit, it is not necessary to until the frame that main carrier and secondary carrier are aligned can transmit data, realize carrier wave Asynchronous transmission and scheduling improve the resource utilization of secondary carrier, save carrier resource；Above scheme is same due to not needing to carry out Step, therefore also no need to send synchronizing channels, can save channel resource.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings His attached drawing.

Fig. 1 is present invention method flow diagram；

Fig. 2 is downlink frame of embodiment of the present invention structural schematic diagram；

Fig. 3 is downlink frame of embodiment of the present invention structural schematic diagram；

Fig. 4 is present invention method flow diagram；

Fig. 5 is that uplink and downlink of the embodiment of the present invention matches frame structure schematic diagram；

Fig. 6 is the device of that embodiment of the invention structural schematic diagram；

Fig. 7 is the device of that embodiment of the invention structural schematic diagram；

Fig. 8 is the device of that embodiment of the invention structural schematic diagram；

Fig. 9 is the device of that embodiment of the invention structural schematic diagram；

Figure 10 is the terminal of that embodiment of the invention structural schematic diagram；

Figure 11 is network side equipment of embodiment of the present invention structural schematic diagram.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a kind of carrier data transmission method, the present embodiment method is realized in terminal side, such as Fig. 1 It is shown, comprising:

101: receiving the downlink frame sent from the network equipment by secondary carrier；The downlink frame of above-mentioned secondary carrier carrying includes Lead data and frame unit；

102: determining the initial position of frame unit by the information that above-mentioned lead data carries, and determine each son of frame unit The subframe numbers of frame；

Above-mentioned lead data can carry the information for being used to refer to the initial position of frame unit, or further also carry it His information, structure can there are many kinds of, different designs can be carried out based on different needs, the embodiment of the invention provides The optional scheme of two of them, specific as follows: optional, above-mentioned lead data includes pilot unit, and above-mentioned pilot unit includes At least one lead code；

Alternatively, it includes two or more lead codes that above-mentioned lead data, which includes the above-mentioned pilot unit of pilot unit, Each lead code is distributed in different time position or the frequency domain position of above-mentioned pilot unit；Alternatively, above-mentioned lead data includes leading Unit and message elements, above-mentioned pilot unit include at least one lead code, and above-mentioned message elements include at least one message, on It states message elements and carries the cell ID of transmission lead code, the subframe numbers of the starting subframe of frame unit, duration, feedback timing At least one of in deviation and uplink and downlink proportion relation；Alternatively, above-mentioned lead data includes pilot unit and message elements, Above-mentioned pilot unit include two or more lead codes, each lead code be distributed in above-mentioned pilot unit different location or Frequency domain position, above-mentioned message elements include two or more message, above-mentioned message distribution in above-mentioned message elements not With time location or frequency domain position, above-mentioned message elements carry the starting subframe of the cell ID, frame unit that send lead code At least one of in subframe numbers, duration, feedback timing offset and uplink and downlink proportion relation.

Based on the information that message elements include, the embodiment of the invention also provides the inspections of data receiver scheme and previous video frames Control program is surveyed, it is specific as follows: the above method further include:

Determine that above-mentioned downlink frame belongs to downlink according to the cell ID of message elements or according to the lead code of pilot unit Then secondary carrier carries out data receiver to the frame unit for including in above-mentioned downlink frame；Alternatively, according to the cell ID of message elements Determine that above-mentioned downlink frame is not belonging to downlink secondary carrier, according to the duration for including in above-mentioned message elements, determination is held above-mentioned No longer detection detects above-mentioned pilot unit in the continuous time.

Optionally, above-mentioned pilot unit contains at least two lead code, and there are identical lead code or it is different before Leading code；Alternatively, above-mentioned message elements contain at least two message, and there are identical message or different message.

If carrying feedback timing offset and uplink and downlink proportion relation in message elements, frame list can also be further determined that The uplink and downlink proportion relation of member, it is specific as follows: the above method further include: the feedback timing offset and upper carried according to message elements Downlink proportion relation determines the ratio of uplink subframe to downlink subframe relationship of above-mentioned frame unit.

Information of the pilot unit due to carrying the only initial position of frame unit can have and be different from carrying content The structure of the frame unit of data, terminal can monitor pilot unit or lead data accordingly, and different monitoring modes has Different technical effects, the embodiment of the invention provides following three kinds of optional implementations, it should be noted that following three kinds Scheme is not to monitor the exhaustion of pilot unit implementation, should not be construed as limiting the uniqueness of the embodiment of the present invention, tool Body is as follows: further, the acquisition procedure including lead code, above-mentioned acquisition procedure is including the use of known lead code and from auxiliary load The signal received in wave frequency rate carries out correlation, if correlation peak reaches some strength, then it is assumed that capture from said frequencies Above-mentioned lead code.The catching method of the lead code of above-mentioned pilot unit includes: to pass through above-mentioned auxiliary load from the network equipment in reception Before the downlink frame sent on wave, the informing from the above-mentioned network equipment is received on other carrier waves other than above-mentioned secondary carrier will Send the notification of lead code；After receiving notification, lead code is captured by detection pilot unit；Alternatively, Lead code is captured by continuously monitoring pilot unit；Alternatively, capturing lead code by being periodically detected pilot unit.

In embodiments of the present invention, it can also be enabled the terminals to comprising being used to indicate the information whether downlink transfer terminates It is accurately informed in this data in secondary carrier to transmit whether processing is over, specific as follows: further, above-mentioned secondary carrier is held The downlink frame of load also includes termination instruction information, and above-mentioned termination instruction information, which is used to indicate downlink transfer, to be terminated.

Optionally, the embodiment of the invention also provides the specific implementation sides of the subframe numbers for each subframe for how determining frame unit Case, the difference based on information entrained by lead data might have different implementations, and this gives several acts Example, specific as follows: the subframe numbers of each subframe of above-mentioned determining frame unit include: according to starting carried in above-mentioned message elements Frame number determines the subframe numbers of each subframe of frame unit；Alternatively, being numbered according to scheduled numeral order to each ordering of sub-frames；Alternatively, Frame number according to lead code or according to the corresponding main carrier of frame unit timing determines the subframe numbers of each subframe.

Optionally, the embodiment of the invention also provides how to determine the feedback acknowledgment information and auxiliary load sent on main carrier The specific implementation of the corresponding subframe numbers of wave, the determination side of difference and frame number based on information entrained by lead data The difference of formula might have different implementations, and the embodiment of the present invention gives several citings, and specific as follows: the above method is also Including determining the feedback acknowledgment information subframe numbers corresponding with secondary carrier sent on main carrier；Above-mentioned determination is on main carrier The feedback acknowledgment information of transmission subframe numbers corresponding with secondary carrier include: that above-mentioned lead data carries feedback timing offset, foundation Feedback timing offset determines the feedback acknowledgment information subframe numbers corresponding with secondary carrier sent on main carrier；Alternatively, according to auxiliary Subframe deviation between carrier wave and main carrier determines the feedback acknowledgment information subframe corresponding with secondary carrier sent on main carrier Number；Alternatively, determining corresponding the first subframe numbers of main carrier of feedback acknowledgment information sent on main carrier, above-mentioned main carrier is determined The corresponding and above-mentioned secondary carrier of the feedback acknowledgment information of upper transmission and the first subframe numbers have the subframe of same subframe frame number.

103: the subframe numbers according to each subframe of frame unit obtain the content-data carried in each subframe of frame unit.

The embodiment of the present invention, the network equipment joined lead data in the downlink frame that secondary carrier is sent, enable the terminals to It determines therefrom that the initial position of the frame unit of carrying content-data, and determines the subframe numbers of each subframe of frame unit, it is not necessary to wait until Main carrier and the frame of secondary carrier alignment can transmit data, realize the asynchronous transmission and scheduling of carrier wave, improve secondary carrier Resource utilization saves carrier resource；Above scheme is synchronized due to not needing, also no need to send synchronizing channel, Channel resource can be saved.

The embodiment of the present invention has been also provided to another carrier data transmission method, and the present embodiment method can be in network side It is realized in equipment, network side equipment can be base station, evolved base station, base station controller, radio network controller etc., tool The network equipment embodiment of the present invention of body not limits this, as shown in Figure 2, comprising:

201: the downlink frame that construction will carry in secondary carrier；Above-mentioned downlink frame includes lead data and frame unit；On It states lead data and carries instruction information for determining the initial position of frame unit, and determine the letter of the subframe numbers of frame unit Breath；

Above-mentioned lead data can carry the information for being used to refer to the initial position of frame unit, or further also carry it His information, structure can there are many kinds of, different designs can be carried out based on different needs, the embodiment of the invention provides The optional scheme of two of them, specific as follows: above-mentioned lead data includes pilot unit, and above-mentioned pilot unit includes at least one Lead code；Alternatively, it includes two or more lead codes that above-mentioned lead data, which includes the above-mentioned pilot unit of pilot unit, respectively Lead code is distributed in different time position or the frequency domain position of above-mentioned pilot unit；Alternatively, above-mentioned lead data includes leading list Member and message elements, above-mentioned pilot unit include at least one lead code, and above-mentioned message elements include at least one message, above-mentioned The cell ID of message elements carrying transmission lead code, the subframe numbers of the starting subframe of frame unit, duration, feedback timing are inclined At least one of in difference and uplink and downlink proportion relation；Alternatively, above-mentioned lead data includes pilot unit and message elements, on Stating pilot unit includes two or more lead codes, and each lead code is distributed in the different location or frequency of above-mentioned pilot unit Domain position, above-mentioned message elements include two or more message, and above-mentioned message distribution is in the difference of above-mentioned message elements Time location or frequency domain position, above-mentioned message elements carry the son of the starting subframe of the cell ID, frame unit that send lead code At least one of in frame number, duration, feedback timing offset and uplink and downlink proportion relation.

Information of the pilot unit due to carrying the only initial position of frame unit can have and be different from carrying content The structure of the frame unit of data, terminal can monitor pilot unit or lead data accordingly, and different monitoring modes has Different technical effects, as an optional citing, the embodiment of the invention provides the implementation for saving terminal electric energy, tools Body is as follows: further, the above method further include: before sending downlink frame to above-mentioned terminal by above-mentioned secondary carrier, above-mentioned It is sent on other carrier waves other than secondary carrier to above-mentioned terminal and informs the notification that will send lead code.

202: downlink frame being sent to above-mentioned terminal by above-mentioned secondary carrier, makes above-mentioned terminal according to each subframe numbers of frame unit Carry out data receiver.

The embodiment of the present invention, the network equipment joined lead data in the downlink frame that secondary carrier is sent, enable the terminals to Determine therefrom that the initial position of the frame unit of carrying content-data, and determine the subframe numbers of frame unit, it is not necessary to until main carrier and The frame of secondary carrier alignment can transmit data, realize the asynchronous transmission and scheduling of carrier wave, improve the utilization of resources of secondary carrier Rate saves carrier resource；Above scheme is synchronized due to not needing, and also no need to send synchronizing channels, can be saved Channel resource.

Following embodiment will be with the carrier wave data transmission between terminal and eNB (evolved Node B, evolved base station) It is described in detail, following embodiment is classified into two big parts, uses two different downlink frame structures respectively, previous Lead data only includes pilot unit, and the latter lead data includes pilot unit and message elements, specific as follows:

Scheme one:

1, it is specific as follows to give row frame structure by eNB:

After secondary carrier competes resource every time, the structure that downlink is sent, as shown in a line below Fig. 3, are as follows: pilot unit+ Frame unit+end unit.Upper row shown in Fig. 3 is main carrier and feedback acknowledgment information, is corresponded to shown in arrow for it Subframe, number is the subframe numbers of subframe in rectangle, and a frame includes 10 subframes in structure shown in Fig. 3.

In the present embodiment, pilot unit determines the initial position of frame unit for UE, can also determine cell information.Before Leading in unit may include one or more lead code, these lead codes can be same or different, can be distributed in leading In unit on different time position or frequency domain position.Wherein lead code sending time point is sent out at once after can be competition to resource It send, perhaps refers to after specific periodic point in time sends or first pass through other carrier waves notice UE, retransmit.

In the present embodiment, frame unit is transmitted for data.

In the present embodiment, end unit is for notifying UE that this time downlink transfer terminates.End unit is optional part.

2, UE determines frame unit beginning boundary according to pilot unit, specific as follows:

UE, can be according to the structure detection of pilot unit to the position of pilot unit after secondary carrier receives downlink frame It sets and the mark of lead code.UE can then determine the initial position of frame unit, Yi Jifa according to preamble position and mark Give the cell ID of the lead code.It is understood that cell ID is related to lead code mark in embodiments of the present invention, on It states cell ID and indicates above-mentioned secondary carrier, above-mentioned secondary carrier cell ID and lead code mark corresponding relationship are by network side equipment It is configuration user equipment or pre-defining.UE can be identified according to lead code and above-mentioned corresponding relationship confirmly detects Lead code whether belong to the data that above-mentioned secondary carrier is sent.

In embodiments of the present invention, the scheme that UE monitors pilot unit can be there are several types of:

UE can continuously monitor pilot unit in time；Alternatively, for power saving, the detection lead code that can also be spaced； Alternatively, the notice based on other carrier waves carries out the detection of lead code.Such as: UE carries out preamble detection with certain period, than If the period is N, when detection a length of M, then at interval of N number of time, UE just detects wherein M time quantum.Wherein M, N's Unit can be millisecond, time slot or symbol.For another example: UE receives the transmission of other carrier waves and starts after detecting lead code notice, Carry out preamble detection.

3, UE determines initial frame number, specific as follows:

Secondary carrier shown in Fig. 3 can see, and the part immediately following the pilot unit for carrying lead code is frame unit.Frame list First subframe is properly termed as the first subframe in member, if it is determined that the subframe numbers of the first subframe, then subsequent number is all week The serial number of phase property, therefore key point is the subframe numbers for determining the first subframe, specifically be can be such that

First subframe number of frame unit can be determined as fixed number, such as number 0；

Alternatively, determined according to the subframe number of the corresponding main carrier of timing of lead code or frame unit, such as: the first son The position that frame starting position or lead code start correspond to main carrier N work song frame, then by the first subframe number be determined as N or Person's N+1 or N-1 work song frame.More specifically: due to the receiving time point of main carrier and each subframe of secondary carrier be it is corresponding, than The subframe numbers that the subframe of main carrier is such as received in 10ms are 2, while receiving the lead code of secondary carrier, then it is assumed that the first son The subframe numbers of frame are also 2.

4, UE determines the subframe numbers corresponding relationship of the subframe of the feedback acknowledgment information and secondary carrier that send on main carrier, tool Body is as follows:

4.1, the case where fixed number being determined as the first subframe number, specific as follows:

UE determines the feedback acknowledgment sent on main carrier according to the subframe numbers of subframe, the frame deviation of secondary carrier and main carrier The subframe numbers corresponding relationship of the subframe of information and secondary carrier.Such as: the first subframe number is fixed as 0, then the first subframe number rises The subframe numbers of the subframe of the corresponding main carrier in beginning position are N, then frame deviation is N+1-0=N+1, then M subframe is sent out under main carrier The feedback sent corresponds to the data in secondary carrier M- (N+1) -3 subframe.

4.2, specific as follows for the first subframe number according to the subframe number certain situation of corresponding main carrier:

UE is true according to the subframe numbers corresponding relationship of the subframe of the feedback acknowledgment information and main carrier that send on main carrier The corresponding relationship for the feedback acknowledgment information that the subframe and main carrier for determining secondary carrier are sent.For example sent on main carrier in M subframe Feedback acknowledgment information corresponds to the transmission of main carrier N subframe, then also corresponds to the transmission or N+1, N-1 subframe of secondary carrier N subframe Transmission.

Scheme two:

1, it is specific as follows to give row frame structure by eNB:

After secondary carrier competes resource every time, the structure that downlink is sent, as shown in a line below Fig. 4, are as follows: pilot unit+ Message elements+frame unit.Upper row shown in Fig. 4 is main carrier and feedback acknowledgment information, is corresponded to shown in arrow for it Subframe, number is the subframe numbers of subframe in rectangle, and a frame includes 10 subframes in structure shown in Fig. 4.

In the present embodiment, pilot unit determines the initial position of frame unit for UE, can also determine cell information.Its It may include one or more lead code in middle pilot unit, these lead codes can be same or different, can be distributed in In pilot unit on different time position or frequency domain position.Wherein lead code sending time point can be competition to horse after resource Upper transmission perhaps refers to after specific periodic point in time sends or first pass through other carrier waves notice UE, retransmits.

In the present embodiment, message elements can be used for carrying current secondary carrier related transmitting information, below all information Be it is optional, it is specific as follows:

Cell ID (Identity, mark), is mainly used for identifying cell, can be by PLMNID (Public Land Mobile Network identification, public land mobile network identification)+PCI (physical cell id, physics Cell ID) composition；

It originates the subframe numbers of subframe: being used to indicate the number of first subframe of frame unit；

Duration: it is used to indicate the duration that this secondary carrier this time occupies the frequency spectrum resource；

Timing offset is fed back, the feedback acknowledgment information sent on main carrier is used to indicate and corresponds to main carrier and corresponding secondary carrier Data Position deviation；

Uplink-downlink configuration relationship: it is used to indicate frame unit and transmits the uplink and downlink proportion relation used.

It wherein may include one or more above message in message elements, these message can be same or different, It can be distributed in pilot unit on different time position or frequency domain position.

In the present embodiment, frame unit is transmitted for data.

UE can detecte pilot unit according to the structure of pilot unit after secondary carrier receives downlink frame Position can determine the initial position of frame unit according to preamble position and mark, can also determine the position of message elements.

3, UE determines initial frame number, specific as follows:

Part immediately following lead code is message elements,

Secondary carrier shown in Fig. 3 can see, and the part immediately following the pilot unit for carrying lead code is frame unit.Frame list First frame is properly termed as the first subframe in member, if it is determined that the subframe numbers of the first subframe, then subsequent number is all the period Property serial number, therefore key point be determine the first subframe subframe numbers, specifically can be such that

If message elements do not include initial frame number information, then can be such that the starting for including in determining message elements Frame number is determined as the subframe numbers of the starting subframe of frame unit, the subframe numbers sequence of subsequent subframe and periodically numbers.

Alternatively, message elements do not include initial frame number information, it is specific as follows:

Alternatively, determined according to the subframe number of the corresponding main carrier of timing of lead code or frame unit, such as: the first son The position that frame starting position or lead code start correspond to main carrier N work song frame, then by the first subframe number be determined as N or Person's N+1 or N-1 work song frame.More specifically: due to the receiving time point of main carrier and each subframe of secondary carrier be it is corresponding, than The subframe numbers that the subframe of main carrier is such as received in 10ms are 2, while receiving the lead code of secondary carrier, then it is assumed that lead code The subframe numbers of the subframe of corresponding secondary carrier are also 2.

If message elements include feedback this information of timing offset, it can be such that according to message elements include feedback Timing offset determines the subframe numbers corresponding relationship of the subframe of the feedback acknowledgment information and secondary carrier that send on main carrier, it may be assumed that according to Feedback timing offset determines the subframe numbers corresponding relationship of the subframe of the feedback acknowledgment information and secondary carrier that send on main carrier, than Such as: corresponding to the transmission of main carrier N subframe on main carrier in the feedback acknowledgment information that M subframe is sent, then the feedback acknowledgment information The transmission of the corresponding subframe for bearing auxiliary wave (N- feeds back timing offset) or (N+ feeds back timing offset).

If message elements do not include feedback this information of timing offset, can be such that

Optionally, if message elements carry uplink and downlink proportion relation, UE can also be determined according to the proportion relation Uplink frame and downlink frame.As shown in figure 5, for LTE-TDD (Long Term Evolution Time Division Duplex, Timesharing long term evolution) frame be made of 10 subframes, and part of subframe is uplink, and part subframe is downlink.According to upper and lower Row configuration is different, can be divided into 7 kinds of proportion relations above, wherein the frame of white fill part is downlink frame, oblique line fill part Frame be uplink frame.Filled black part is special subframe；It is the period that wherein front five, which is 5ms, and latter three are that 10ms is Period.From top to bottom, uplink and downlink matches successively are as follows: 3:2,2:3,1:4,5:5,3:7,2:8 and 1:9.

The embodiment of the invention also provides a kind of carrier wave data transmission device, which can be terminal, as shown in fig. 6, Include:

Frame receiving unit 601, for receiving the downlink frame sent from the network equipment by secondary carrier；Above-mentioned secondary carrier is held The downlink frame of load includes lead data and frame unit；

Information determination unit 602, the letter that the above-mentioned lead data for being received by above-mentioned frame receiving unit 601 carries The initial position for determining frame unit is ceased, and determines the subframe numbers of each subframe of frame unit；

Data capture unit 603, the subframe numbers of each subframe of above-mentioned frame unit for being determined according to information determination unit 602 Obtain the content-data carried in each subframe of frame unit.

Above-mentioned lead data can carry the information for being used to refer to the initial position of frame unit, or further also carry it His information, structure can there are many kinds of, different designs can be carried out based on different needs, the embodiment of the invention provides The optional scheme of two of them, it is specific as follows: optional, above-mentioned frame receiving unit 601, the above-mentioned lead data for receiving Comprising pilot unit, above-mentioned pilot unit includes at least one lead code；Alternatively, above-mentioned lead data includes that pilot unit is above-mentioned Pilot unit include two or more lead codes, each lead code be distributed in above-mentioned pilot unit different time position or Frequency domain position；Alternatively, above-mentioned lead data includes pilot unit and message elements, above-mentioned pilot unit includes that at least one is leading Code, above-mentioned message elements include at least one message, and above-mentioned message elements carry the cell ID, frame unit for sending lead code Originate at least one in subframe numbers, duration, feedback timing offset and the uplink and downlink proportion relation of subframe；On alternatively, Stating lead data includes pilot unit and message elements, and above-mentioned pilot unit includes two or more lead codes, before each Leading code is distributed in the different location or frequency domain position of above-mentioned pilot unit, and above-mentioned message elements include two or more disappear Breath, above-mentioned message distribution is in the different time position of above-mentioned message elements or frequency domain position, before above-mentioned message elements carry transmission The cell ID of leading code, the subframe numbers of the starting subframe of frame unit, duration, feedback timing offset and uplink and downlink proportion At least one of in relationship.

Based on the information that message elements include, the embodiment of the invention also provides the inspections of data receiver scheme and previous video frames Control program is surveyed, specific as follows: above-mentioned data capture unit 603, for the cell ID according to message elements or according to preceding The lead code for leading unit determines that above-mentioned downlink frame belongs to downlink secondary carrier, then carries out to the frame unit for including in above-mentioned downlink frame Data receiver；Alternatively,

Above- mentioned information determination unit 602 determines that above-mentioned downlink frame is not belonging to down for the cell ID according to message elements Row secondary carrier was determined and is no longer detected in detection within the above-mentioned duration according to the duration for including in above-mentioned message elements State pilot unit.

Optionally, above-mentioned frame receiving unit 601, the above-mentioned pilot unit for receiving contain at least two lead code, And there are identical lead code or different lead codes；Alternatively, above-mentioned message elements contain at least two message, and there are phases Same message or different message.

If carrying feedback timing offset and uplink and downlink proportion relation in message elements, frame list can also be further determined that The uplink and downlink proportion relation of member, specific as follows: above- mentioned information determination unit 602 is also used to the feedback carried according to message elements Timing offset and uplink and downlink proportion relation determine the ratio of uplink subframe to downlink subframe relationship of above-mentioned frame unit.

Information of the pilot unit due to carrying the only initial position of frame unit can have and be different from carrying content The structure of the frame unit of data, terminal can monitor pilot unit or lead data accordingly, and different monitoring modes has Different technical effects, the embodiment of the invention provides following three kinds of optional implementations, it should be noted that following three kinds Scheme is not to monitor the exhaustion of pilot unit implementation, should not be construed as limiting the uniqueness of the embodiment of the present invention, tool Body is as follows: optionally, above- mentioned information determination unit 602, for capturing lead code by continuously monitoring pilot unit；Alternatively, Lead code is captured by being periodically detected pilot unit；Alternatively, as shown in fig. 7, above-mentioned apparatus further include:

Information receiving unit 701, for receive from the network equipment by the downlink frame that is sent in above-mentioned secondary carrier it Before, the informing of lead code will be sent by receiving the informing from the above-mentioned network equipment on other carrier waves other than above-mentioned secondary carrier Information；

Above- mentioned information determination unit 602, for passing through inspection after above- mentioned information receiving unit 701 receives notification Pilot unit is surveyed to capture lead code.

In embodiments of the present invention, it can also be enabled the terminals to comprising being used to indicate the information whether downlink transfer terminates It is accurately informed in this data in secondary carrier to transmit whether processing is over, specific as follows: further, above-mentioned frame receives single The downlink frame of member 601, the above-mentioned secondary carrier carrying for receiving also includes termination instruction information；

Above- mentioned information determination unit 602 is also used to determine whether downlink transfer terminates according to above-mentioned termination instruction information.

Optionally, it the embodiment of the invention also provides the specific implementation for the subframe numbers for how determining frame unit, is based on The difference of information entrained by lead data might have different implementations, and this gives several citings, specifically It is as follows: above- mentioned information determination unit 602, for determining each of frame unit according to the initial subframe number carried in above-mentioned message elements The subframe numbers of subframe；Alternatively, being numbered according to scheduled numeral order to each ordering of sub-frames；Alternatively, according to lead code or foundation The frame number of the corresponding main carrier of frame unit timing determines the subframe numbers of each subframe.

Optionally, the embodiment of the invention also provides how to determine the feedback acknowledgment information and auxiliary load sent on main carrier The specific implementation of the corresponding subframe numbers of wave, the determination side of difference and frame number based on information entrained by lead data The difference of formula might have different implementations, and the embodiment of the present invention gives several citings, and specific as follows: above- mentioned information are true Order member 602 is also used to determine the feedback acknowledgment information sent on main carrier subframe corresponding with secondary carrier as follows Number；Above-mentioned lead data carries feedback timing offset, determines the feedback acknowledgment sent on main carrier according to feedback timing offset Information subframe numbers corresponding with secondary carrier；Alternatively, being determined on main carrier according to the subframe deviation between secondary carrier and main carrier The feedback acknowledgment information of transmission subframe numbers corresponding with secondary carrier；Alternatively, determining the feedback acknowledgment information sent on main carrier Corresponding the first subframe numbers of main carrier determine the corresponding and above-mentioned secondary carrier of the feedback acknowledgment information that sends on above-mentioned main carrier and the One subframe numbers have the subframe of same subframe frame number.

The embodiment of the invention also provides another carrier wave data transmission device, which can be arbitrary network side and set Standby, network side equipment can be base station, evolved base station, base station controller, radio network controller etc., specific network The equipment embodiment of the present invention not limits this, as shown in Figure 8, comprising:

Frame structural unit 801, for constructing the downlink frame that will be carried in secondary carrier；Above-mentioned downlink frame includes lead data And frame unit；Above-mentioned lead data carries the instruction information for determining the initial position of frame unit, and determines frame list The information of the subframe numbers of each subframe of member；

Frame transmission unit 802, for sending the downlink of above-mentioned frame structural unit 801 to above-mentioned terminal by above-mentioned secondary carrier Frame makes above-mentioned terminal carry out data receiver according to each subframe numbers of frame unit.

Above-mentioned lead data can carry the information for being used to refer to the initial position of frame unit, or further also carry it His information, structure can there are many kinds of, different designs can be carried out based on different needs, the embodiment of the invention provides The optional scheme of two of them, specific as follows: optionally, above-mentioned frame structural unit 801, for before the setting of above-mentioned lead data Unit is led, above-mentioned pilot unit includes at least one lead code alternatively, above-mentioned lead data includes the above-mentioned leading list of pilot unit Member includes two or more lead codes, and each lead code is distributed in the different time position or frequency domain position of above-mentioned pilot unit It sets；Alternatively, above-mentioned lead data includes pilot unit and message elements, above-mentioned pilot unit includes at least one lead code, on Stating message elements includes at least one message, and above-mentioned message elements carry the starting for sending the cell ID, frame unit of lead code At least one of in the subframe numbers of subframe, duration, feedback timing offset and uplink and downlink proportion relation；Alternatively, before above-mentioned For derivative according to comprising pilot unit and message elements, above-mentioned pilot unit includes two or more lead codes, each lead code It is distributed in the different location or frequency domain position of above-mentioned pilot unit, above-mentioned message elements include two or more message, For above-mentioned message distribution in the different time position of above-mentioned message elements or frequency domain position, above-mentioned message elements, which carry, sends lead code Cell ID, frame unit the subframe numbers of starting subframe, duration, feedback timing offset and uplink and downlink proportion relation At least one of in.

Optionally, above-mentioned frame structural unit 801, in the above-mentioned downlink frame of construction, above-mentioned pilot unit to include at least Two lead codes, and there are identical lead code or different lead codes；Alternatively, above-mentioned message elements contain at least two and disappear Breath, and there are identical message or different message.

Information of the pilot unit due to carrying the only initial position of frame unit can have and be different from carrying content The structure of the frame unit of data, terminal can monitor pilot unit or lead data accordingly, and different monitoring modes has Different technical effects, as an optional citing, the embodiment of the invention provides the implementation for saving terminal electric energy, tools Body is as follows: further, as shown in figure 9, above-mentioned apparatus further include:

Information transmitting unit 901, in the case where above-mentioned frame transmission unit 802 is sent by above-mentioned secondary carrier to above-mentioned terminal Before row frame, is sent on other carrier waves other than above-mentioned secondary carrier to above-mentioned terminal and inform the informing letter that will send lead code Breath.

In embodiments of the present invention, it can also be enabled the terminals to comprising being used to indicate the information whether downlink transfer terminates It is accurately informed in this data in secondary carrier to transmit whether processing is over, specific as follows: further, above-mentioned frame construction is single Member 801, for also including termination instruction information in the above-mentioned downlink frame of construction, above-mentioned termination instruction information is used to indicate down The row end of transmission.

The embodiment of the invention also provides another carrier wave data transmission device, which can be terminal, such as Figure 10 institute Show, comprising: receiver 1001, transmitter 1002, processor 1003 and memory 1004；

Wherein above-mentioned processor 1003, for controlling execution: receiving the downlink sent from the network equipment by secondary carrier Frame；The downlink frame of above-mentioned secondary carrier carrying includes lead data and frame unit；The information carried by above-mentioned lead data is true The initial position of framing unit, and determine the subframe numbers of each subframe of frame unit；Subframe numbers according to each subframe of frame unit obtain The content-data carried in each subframe of frame unit.

Above-mentioned lead data can carry the information for being used to refer to the initial position of frame unit, or further also carry it His information, structure can there are many kinds of, different designs can be carried out based on different needs, the embodiment of the invention provides The optional scheme of two of them, it is specific as follows: optional, above-mentioned processor 1003, for control that execution receives it is above-mentioned before For derivative according to comprising pilot unit, above-mentioned pilot unit includes at least one lead code alternatively, above-mentioned lead data includes leading list The above-mentioned pilot unit of member includes two or more lead codes, and each lead code is distributed in the different time of above-mentioned pilot unit Position or frequency domain position；Alternatively, above-mentioned lead data includes pilot unit and message elements, above-mentioned pilot unit includes at least one A lead code, above-mentioned message elements include at least one message, and above-mentioned message elements carry cell ID, the frame for sending lead code At least one of in the subframe numbers of the starting subframe of unit, duration, feedback timing offset and uplink and downlink proportion relation； Alternatively, above-mentioned lead data includes pilot unit and message elements, above-mentioned pilot unit includes two or more leading Code, each lead code are distributed in the different location or frequency domain position of above-mentioned pilot unit, and above-mentioned message elements include two or two Above message, above-mentioned message distribution are taken in the different time position of above-mentioned message elements or frequency domain position, above-mentioned message elements Subframe numbers, duration, the feedback timing offset of the starting subframe of cell ID, frame unit with transmission lead code, Yi Jishang At least one of in downlink proportion relation.

Based on the information that message elements include, the embodiment of the invention also provides the inspections of data receiver scheme and previous video frames Control program is surveyed, specific as follows: above-mentioned processor 1003 is also used to control the cell ID or root executed according to message elements Determine that above-mentioned downlink frame belongs to downlink secondary carrier according to the lead code of pilot unit, then to the frame unit for including in above-mentioned downlink frame Carry out data receiver；Alternatively, determining that above-mentioned downlink frame is not belonging to downlink secondary carrier according to the cell ID of message elements, according to upper The duration for including in message elements is stated, determines that no longer detection detects above-mentioned pilot unit within the above-mentioned duration.

Optionally, above-mentioned processor 1003 executes before the above-mentioned pilot unit that receives contains at least two for controlling Leading code, and there are identical lead code or different lead codes；Alternatively, above-mentioned message elements contain at least two message, and There are identical message or different message.

If carrying feedback timing offset and uplink and downlink proportion relation in message elements, frame list can also be further determined that Member uplink and downlink proportion relation, it is specific as follows: above-mentioned processor 1003, be also used to control execution carried according to message elements it is anti- Timing offset and uplink and downlink proportion relation are presented, determines the ratio of uplink subframe to downlink subframe relationship of above-mentioned frame unit.

Information of the pilot unit due to carrying the only initial position of frame unit can have and be different from carrying content The structure of the frame unit of data, terminal can monitor pilot unit or lead data accordingly, and different monitoring modes has Different technical effects, the embodiment of the invention provides following three kinds of optional implementations, it should be noted that following three kinds Scheme is not to monitor the exhaustion of pilot unit implementation, should not be construed as limiting the uniqueness of the embodiment of the present invention, tool Body is as follows: above-mentioned processor 1003, for control execute: receive from the network equipment by being sent in above-mentioned secondary carrier under Before row frame, lead code will be sent by receiving the informing from the above-mentioned network equipment on other carrier waves other than above-mentioned secondary carrier Notification；After receiving notification, lead code is captured by detection pilot unit；Alternatively, by continuously monitoring Pilot unit captures lead code；Alternatively, capturing lead code by being periodically detected pilot unit.

In embodiments of the present invention, it can also be enabled the terminals to comprising being used to indicate the information whether downlink transfer terminates This data in secondary carrier are accurately informed in transmit whether processing is over, specific as follows: further, above-mentioned processor 1003, the downlink frame for controlling the received above-mentioned secondary carrier carrying of execution also includes termination instruction information, and above-mentioned end refers to Show that information is used to indicate downlink transfer and terminates.

Optionally, the embodiment of the invention also provides the specific implementation sides of the subframe numbers for each subframe for how determining frame unit Case, the difference based on information entrained by lead data might have different implementations, and this gives several acts Example, specific as follows: above-mentioned processor 1003, for controlling execution: true according to the initial subframe number carried in above-mentioned message elements The subframe numbers of each subframe of framing unit；Alternatively, being numbered according to scheduled numeral order to each ordering of sub-frames；Alternatively, according to before Leading code or frame number according to the corresponding main carrier of frame unit timing determine the subframe numbers of each subframe.

Optionally, the embodiment of the invention also provides how to determine the feedback acknowledgment information and auxiliary load sent on main carrier The specific implementation of the corresponding subframe numbers of wave, the determination side of difference and frame number based on information entrained by lead data The difference of formula might have different implementations, and the embodiment of the present invention gives several citings, specific as follows: above-mentioned processor 1003, it is also used to control the feedback acknowledgment information subframe numbers corresponding with secondary carrier for executing and determining and sending on main carrier；It is above-mentioned Determine that the feedback acknowledgment information subframe numbers corresponding with secondary carrier sent on main carrier include: that above-mentioned lead data carries feedback Timing offset determines the feedback acknowledgment information subframe corresponding with secondary carrier sent on main carrier according to feedback timing offset Number；Alternatively, according to the subframe deviation between secondary carrier and main carrier determine the feedback acknowledgment information that is sent on main carrier with it is auxiliary The corresponding subframe numbers of carrier wave；Alternatively, determine corresponding the first subframe numbers of main carrier of feedback acknowledgment information sent on main carrier, Determine that the corresponding and above-mentioned secondary carrier of the feedback acknowledgment information sent on above-mentioned main carrier and the first subframe numbers have same subframe frame Number subframe.

The embodiment of the present invention has been also provided to another carrier wave data transmission device, and the present embodiment method can be in network side It is realized in equipment, network side equipment can be base station, evolved base station, base station controller, radio network controller etc., tool The network equipment embodiment of the present invention of body not limits this, as shown in figure 11, comprising: receiver 1101, transmitter 1102, place Manage device 1103 and memory 1104；

Wherein above-mentioned processor 1103, for controlling execution: the downlink frame that construction will carry in secondary carrier；Above-mentioned downlink Frame includes lead data and frame unit；Above-mentioned lead data carries the letter of the instruction for determining the initial position of frame unit Breath, and determine the information of the subframe numbers of frame unit；Downlink frame is sent to above-mentioned terminal by above-mentioned secondary carrier, makes above-mentioned terminal Data receiver is carried out according to each subframe numbers of frame unit.

Above-mentioned lead data can carry the information for being used to refer to the initial position of frame unit, or further also carry it His information, structure can there are many kinds of, different designs can be carried out based on different needs, the embodiment of the invention provides The optional scheme of two of them, specific as follows: above-mentioned processor 1103 is executed for controlling: before above-mentioned lead data includes Unit is led, above-mentioned pilot unit includes at least one lead code alternatively, above-mentioned lead data includes the above-mentioned leading list of pilot unit Member includes two or more lead codes, and each lead code is distributed in the different time position or frequency domain position of above-mentioned pilot unit It sets；Alternatively, above-mentioned lead data includes pilot unit and message elements, above-mentioned pilot unit includes at least one lead code, on Stating message elements includes at least one message, and above-mentioned message elements carry the starting for sending the cell ID, frame unit of lead code At least one of in the subframe numbers of subframe, duration, feedback timing offset and uplink and downlink proportion relation；Alternatively, before above-mentioned For derivative according to comprising pilot unit and message elements, above-mentioned pilot unit includes two or more lead codes, each lead code It is distributed in the different location or frequency domain position of above-mentioned pilot unit, above-mentioned message elements include two or more message, For above-mentioned message distribution in the different time position of above-mentioned message elements or frequency domain position, above-mentioned message elements, which carry, sends lead code Cell ID, frame unit the subframe numbers of starting subframe, duration, feedback timing offset and uplink and downlink proportion relation At least one of in.

Optionally, above-mentioned processor 1103, the above-mentioned pilot unit for controlling execution transmission contain at least two leading Code, and there are identical lead code or different lead codes；Alternatively, above-mentioned message elements contain at least two message, and deposit In identical message or different message.

Information of the pilot unit due to carrying the only initial position of frame unit can have and be different from carrying content The structure of the frame unit of data, terminal can monitor pilot unit or lead data accordingly, and different monitoring modes has Different technical effects, as an optional citing, the embodiment of the invention provides the implementation for saving terminal electric energy, tools Body is as follows: further, above-mentioned processor 1103 is executed for controlling: sending downlink to above-mentioned terminal by above-mentioned secondary carrier Before frame, is sent on other carrier waves other than above-mentioned secondary carrier to above-mentioned terminal and inform the informing letter that will send lead code Breath.

In embodiments of the present invention, it can also be enabled the terminals to comprising being used to indicate the information whether downlink transfer terminates This data in secondary carrier are accurately informed in transmit whether processing is over, specific as follows: further, above-mentioned processor 1103, the downlink frame for controlling the above-mentioned secondary carrier carrying for executing construction also includes termination instruction information, and above-mentioned end refers to Show that information is used to indicate downlink transfer and terminates.

It is worth noting that, above-mentioned apparatus is only divided according to the functional logic, but it is not limited to above-mentioned draw Point, as long as corresponding functions can be realized；In addition, the specific name of each functional unit is also only to facilitate mutual area Point, the protection scope being not intended to restrict the invention.

In addition, those of ordinary skill in the art will appreciate that realizing all or part of the steps in above-mentioned each method embodiment It is that relevant hardware can be instructed to complete by program, corresponding program can store in a kind of computer readable storage medium In, storage medium mentioned above can be read-only memory, disk or CD etc..

The above is only the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto, any Those familiar with the art the variation that can readily occur in or replaces in the technical scope that the embodiment of the present invention discloses It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim Subject to enclosing.

Claims

1. a kind of carrier data transmission method characterized by comprising

Receive the downlink frame sent from the network equipment by secondary carrier；The downlink frame of the secondary carrier carrying includes lead data And frame unit；

The initial position of frame unit is determined by the information that the lead data carries, and determines the subframe of each subframe of frame unit Number；

2. method according to claim 1, which is characterized in that

The lead data includes pilot unit, and the pilot unit includes at least one lead code；

Alternatively, the lead data includes pilot unit, the pilot unit includes two or more lead codes, before each Leading code is distributed in different time position or the frequency domain position of the pilot unit；

Alternatively, the lead data includes pilot unit and message elements, the pilot unit includes at least one lead code, institute Stating message elements includes at least one message, and the message elements carry the starting for sending the cell ID, frame unit of lead code At least one of in the subframe numbers of subframe, duration, feedback timing offset and uplink and downlink proportion relation；

Alternatively, the lead data includes pilot unit and message elements, the pilot unit includes two or more Lead code, each lead code are distributed in the different location or frequency domain position of the pilot unit, the message elements include two or More than two message, the message distribution is in the different time position of the message elements or frequency domain position, the message list Member carries subframe numbers, duration, the feedback timing offset of the starting subframe of the cell ID, frame unit that send lead code, with At least one of and in uplink and downlink proportion relation.

3. method according to claim 2, which is characterized in that the method also includes:

Determine that the downlink frame belongs to the auxiliary load of downlink according to the cell ID of message elements or according to the lead code of pilot unit Then wave carries out data receiver to the frame unit for including in the downlink frame；

Alternatively, determining that the downlink frame is not belonging to downlink secondary carrier according to the cell ID of message elements, according to the message list The duration for including in member, determination no longer detect the pilot unit within the duration.

4. method according to claim 2, which is characterized in that

The pilot unit contains at least two lead code, and there are identical lead code or different lead codes；Alternatively, institute It states message elements and contains at least two message, and there are identical message or different message.

5. method according to claim 2, which is characterized in that further include:

According to feedback timing offset and uplink and downlink proportion relation that message elements carry, the ascending-descending subframes of the frame unit are determined Proportion relation.

6. method according to claim 2, which is characterized in that the catching method of the lead code of the pilot unit includes:

Before receiving from the network equipment through the downlink frame that is sent in the secondary carrier, other other than the secondary carrier The informing from the network equipment is received on carrier wave will send the notification of lead code；After receiving notification, Lead code is captured by detection pilot unit；Alternatively, capturing lead code by continuously monitoring pilot unit；Alternatively, passing through Pilot unit is periodically detected to capture lead code.

7. according to claim 1 to 6 any one the methods, which is characterized in that the downlink frame of the secondary carrier carrying is also wrapped Containing termination instruction information, the termination instruction information, which is used to indicate downlink transfer, to be terminated.

8. according to claim 2 to 6 any one the method, which is characterized in that the son of each subframe of the determining frame unit Frame number includes:

Alternatively, the frame number according to lead code or according to the corresponding main carrier of frame unit timing determines the subframe numbers of each subframe.

9. method according to claim 1, which is characterized in that the method also includes determination sends anti-on main carrier Present confirmation message subframe numbers corresponding with secondary carrier；The feedback acknowledgment information and secondary carrier pair that the determination is sent on main carrier The subframe numbers answered include:

The lead data carries feedback timing offset, determines the feedback acknowledgment sent on main carrier according to feedback timing offset Information subframe numbers corresponding with secondary carrier；

Alternatively, according to the subframe deviation between secondary carrier and main carrier determine the feedback acknowledgment information that is sent on main carrier with it is auxiliary The corresponding subframe numbers of carrier wave；

Alternatively, determining corresponding the first subframe numbers of main carrier of feedback acknowledgment information sent on main carrier, the main load is determined The corresponding and described secondary carrier of the feedback acknowledgment information sent on wave and the first subframe numbers have the subframe of same subframe frame number.

10. a kind of carrier data transmission method characterized by comprising

Construct the downlink frame that will be carried in secondary carrier；The downlink frame includes lead data and frame unit；The number of derivatives According to the instruction information carried for determining the initial position of frame unit, and determine the letter of the subframe numbers of each subframe of frame unit Breath；

Downlink frame is sent to terminal by the secondary carrier, so that the terminal is carried out data according to each subframe numbers of frame unit and connects It receives.

11. method according to claim 10, which is characterized in that

12. method according to claim 11, which is characterized in that the pilot unit contains at least two lead code, and deposits In identical lead code or different lead codes；Alternatively, the message elements contain at least two message, and there are identical Message or different message.

13. method according to claim 11, which is characterized in that the method also includes:

Before sending downlink frame to the terminal by the secondary carrier, the Xiang Suoshu on other carrier waves other than the secondary carrier Terminal sends the notification informed and will send lead code.

14. 1 to 13 any one the method according to claim 1, which is characterized in that the downlink frame of the secondary carrier carrying is also It include termination instruction information, the termination instruction information, which is used to indicate downlink transfer, to be terminated.

15. a kind of carrier wave data transmission device characterized by comprising

Frame receiving unit, for receiving the downlink frame sent from the network equipment by secondary carrier；Under the secondary carrier carrying Row frame includes lead data and frame unit；

Information determination unit, the information that the lead data for being received by the frame receiving unit carries determine frame list The initial position of member, and determine the subframe numbers of each subframe of frame unit；

The subframe numbers of data capture unit, each subframe of the frame unit for determining according to information determination unit obtain frame unit The content-data carried in each subframe.

16. device according to claim 15, which is characterized in that

The frame receiving unit, the lead data for receiving include pilot unit, and the pilot unit includes at least One lead code；

17. 6 described device according to claim 1, which is characterized in that

The data capture unit determines institute for the cell ID according to message elements or the lead code according to pilot unit It states downlink frame and belongs to downlink secondary carrier, data receiver then is carried out to the frame unit for including in the downlink frame；Alternatively,

The information determination unit determines that the downlink frame is not belonging to the auxiliary load of downlink for the cell ID according to message elements Wave, according to the duration for including in the message elements, determination no longer detects the pilot unit within the duration.

18. 6 described device according to claim 1, which is characterized in that

The frame receiving unit, the pilot unit for receiving contain at least two lead code, and there are before identical Leading code or different lead codes；Alternatively, the message elements contain at least two message, and there are identical message or not Same message.

19. 6 described device according to claim 1, which is characterized in that

The information determination unit is also used to the feedback timing offset and uplink and downlink proportion relation carried according to message elements, really The ratio of uplink subframe to downlink subframe relationship of the fixed frame unit.

20. 6 described device according to claim 1, which is characterized in that

The information determination unit, for capturing lead code by continuously monitoring pilot unit；Alternatively, by being periodically detected Pilot unit captures lead code；Alternatively, described device further include:

Information receiving unit, for before receiving from the network equipment through the downlink frame that is sent in the secondary carrier, in institute The notification of lead code will be sent by stating informing of the reception from the network equipment on other carrier waves other than secondary carrier；

The information determination unit, for passing through detection pilot unit after the information receiving unit receives notification To capture lead code.

21. 5 to 20 any one described device according to claim 1, which is characterized in that

The downlink frame of the frame receiving unit, the secondary carrier carrying for receiving also includes termination instruction information；

22. 6 to 20 any one described device according to claim 1, which is characterized in that

The information determination unit, for determining each subframe of frame unit according to the initial subframe number carried in the message elements Subframe numbers；Alternatively, being numbered according to scheduled numeral order to each ordering of sub-frames；Alternatively, according to lead code or according to frame list The frame number of first periodically corresponding main carrier determines the subframe numbers of each subframe.

23. device according to claim 15, which is characterized in that

The information determination unit is also used to determine the feedback acknowledgment information and secondary carrier sent on main carrier as follows Corresponding subframe numbers；The lead data carries feedback timing offset, sends on main carrier according to feedback timing offset determination Feedback acknowledgment information subframe numbers corresponding with secondary carrier；Alternatively, being determined according to the subframe deviation between secondary carrier and main carrier The feedback acknowledgment information sent on main carrier subframe numbers corresponding with secondary carrier；Alternatively, determine sent on main carrier it is anti- Corresponding the first subframe numbers of main carrier of confirmation message are presented, determine that the feedback acknowledgment information sent on the main carrier is corresponding and described Secondary carrier and the first subframe numbers have the subframe of same subframe frame number.

24. a kind of carrier wave data transmission device characterized by comprising

Frame structural unit, for constructing the downlink frame that will be carried in secondary carrier；The downlink frame includes lead data and frame Unit；The lead data carries the instruction information for determining the initial position of frame unit, and determines each of frame unit The information of the subframe numbers of subframe；

Frame transmission unit makes described for sending the downlink frame that the frame structural unit constructs to terminal by the secondary carrier Terminal carries out data receiver according to each subframe numbers of frame unit.

25. according to claim 24 described device, which is characterized in that

The frame structural unit, for pilot unit to be arranged in the lead data, the pilot unit is comprising before at least one Leading code；

26. according to claim 25 described device, which is characterized in that

The frame structural unit, in the downlink frame of construction, the pilot unit to contain at least two lead code, and deposits In identical lead code or different lead codes；Alternatively, the message elements contain at least two message, and there are identical Message or different message.

27. according to claim 24 described device, which is characterized in that described device further include:

Information transmitting unit is used for before the frame transmission unit sends downlink frame to the terminal by the secondary carrier, It is sent on other carrier waves other than the secondary carrier to the terminal and informs the notification that will send lead code.

28. according to claim 24 to 27 any one described device, which is characterized in that

The frame structural unit, for also including termination instruction information in the downlink frame of construction, the termination instruction letter Breath, which is used to indicate downlink transfer, to be terminated.