CN101808406A - Method and system for realizing application of LTE (Long Term Evolution) in Internet of things by improving distribution of frequency domain resource - Google Patents
Method and system for realizing application of LTE (Long Term Evolution) in Internet of things by improving distribution of frequency domain resource Download PDFInfo
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Abstract
The invention provides a method for realizing the application of LTE (Long Term Evolution) in the Internet of things by improving the distribution of frequency domain resources, comprising the following steps of: generating a control signaling of data transmission by a network side, wherein the control signaling comprises subcarrier information occupied by current data transmission and the format information of current data; transmitting the data in a corresponding format on a corresponding subcarrier frequency domain position according to the subcarrier information; and receiving the data from the subcarrier frequency domain position and analyzing the data according to the data format information by a receiving end. The invention can effectively enhance the utility ratio of the frequency domain resources on the basis of ensuring the reliability of low-speed service processing.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of improve frequency domain resource distribute to realize LTE the method for the application of Internet of Things, a kind of improve frequency domain resource distribute realize LTE in the system of the application of Internet of Things, improve frequency domain resource and distribute and realize that LTE is in the base station of the application of Internet of Things and improve frequency domain resource and distribute and realize the user terminal of LTE in the application of Internet of Things.
Background technology
In order in the mobile communication technology in future environment with keen competition, to sit pretty, satisfy growing user's multiple demand, 3GPP is organized in the project verification work of passing through for the end of the year 2004 about 3GPP Long Term Evolution LTE (Long Term Evolution), quickens to formulate new air interface and Radio Access Network standard.The target of 3G LTE is: higher data rate, lower time delay, improved power system capacity and coverage, and lower cost.Based on above-mentioned target, the LTE system adopts OFDM (OFDM), MIMO key technologies such as (multiple-input and multiple-outputs) to reduce the influence of multipath fading, and the transmission rate that improves system, at present, the LTE system can provide the peak rate of descending 100Mbps and up 50Mbps under the system bandwidth of 20M, even higher.
In the prior art, no matter be descending or up, the LTE system is 1 RB (Resource Block at the least resource thread of frequency domain, Resource Block), 1 RB is made up of continuous 12 subcarrier (subcarrier) at frequency domain, and between each subcarrier is 15kHz at interval, that is to say, 1 RB is 180kHz in the size of frequency domain, and the whole system bandwidth then is made up of one by one RB.
For improving the utilance of resource, the LTE system can distribute the RB of varying number to satisfy the service needed of different rates neatly.Particularly, in to the very high business of rate requirement, the LTE system can distribute a lot of RB to satisfy its business demand, for example, in business such as video, high-speed downloads, can be the bandwidth 20M of whole system, promptly have 100 RB altogether, all distribute to a UE (User Equipment, user terminal), so that the speed of this UE reaches peak value; In to the not high business of rate requirement, the LTE system can distribute several RB of minority even have only a RB to satisfy its business demand, for example, and for the VoIP business.Only distribute a RB for UE, speed promptly can reach about tens kbps.
Yet, in actual life, exist various than the also low application of VoIP service rate requirement, the for example application of some in Internet of Things, the information that only needs one or two of transmission or several bits, because the LTE system is 1 RB at the least resource thread of frequency domain, that is to say, even it is very low that the data rate of current business requires, the LTE system needs at least that also a RB is distributed to corresponding UE and uses for its transmission, obviously, there is serious wasting of resources problem in this existing frequency domain resource distribution mechanism when handling low rate traffic.
Summary of the invention
Technical problem to be solved by this invention provides a kind of frequency domain resource of improving and distributes the mechanism of LTE in the application of Internet of Things that realizes, in order on the basis that guarantees the reliability that low rate traffic is handled, effectively improves the utilance of frequency domain resource.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of frequency domain resource of improving and distribute the method for realization LTE in the application of Internet of Things, comprising:
Network side generates control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
According to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format;
Receiving terminal receives described data from described sub-carrier frequency domain position, and resolves described data according to described data format information.
Preferably, when described transfer of data is the transmission of downlink data and when receiving, the described subcarrier information of described foundation is carried out by network side in the step of corresponding sub-carrier frequency domain location transmission corresponding format data, and described receiving terminal is an end side.
Preferably, when described transfer of data is the transmission of upstream data and when receiving, the described subcarrier information of described foundation is carried out by end side in the step of corresponding sub-carrier frequency domain location transmission corresponding format data, and described receiving terminal is a network side;
Described method also comprises:
Network side is sent to end side with described control signaling.
Preferably, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
Preferably, described subcarrier information is a subcarrier number, and described data format is a modulation coding mode.
The embodiment of the invention also discloses a kind of frequency domain resource of improving and distribute the system of realization LTE, comprising in the application of Internet of Things:
Be positioned at the control signaling generation module of network side, be used to generate control signaling of data transmission, comprise the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data transmission module is used for according to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format;
Be positioned at the data acquisition module of receiving terminal, be used for receiving described data, and resolve described data according to described data format information from described sub-carrier frequency domain position.
Preferably, when described transfer of data is the transmission of downlink data and when receiving, described data transmission module is positioned at network side, and described receiving terminal is an end side.
Preferably, when described transfer of data is the transmission of upstream data and when receiving, described data transmission module is positioned at end side, and described receiving terminal is a network side;
Described device also comprises:
Be positioned at the control signaling delivery module of network side, be used for described control signaling is sent to end side.
Preferably, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
Preferably, described subcarrier information is a subcarrier number, and described data format is a modulation coding mode.
The embodiment of the invention also discloses a kind of frequency domain resource of improving and distribute realization LTE, comprising in the base station of the application of Internet of Things:
Control signaling generation module is used to generate control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data transmission module is used for according to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format.
Preferably, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
The embodiment of the invention also discloses a kind of frequency domain resource of improving and distribute the user terminal of realization LTE, comprising in the application of Internet of Things:
Control signaling receiver module is used to receive the control signaling that the base station sends, and comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data acquisition module is used for receiving the data that the base station sends according to described subcarrier information in corresponding sub-carrier frequency domain position, and resolves described data according to described data format information.
The embodiment of the invention also discloses a kind of frequency domain resource of improving and distribute realization LTE, comprising in the base station of the application of Internet of Things:
Control signaling generation module is used to generate control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Control signaling delivery module is used for described control signaling is sent to user terminal;
Data acquisition module is used for receiving the data that user terminal sends from corresponding described sub-carrier frequency domain position according to described subcarrier information, and resolves described data according to described data format information.
Preferably, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
The embodiment of the invention also discloses a kind of frequency domain resource of improving and distribute the user terminal of realization LTE, it is characterized in that, comprising in the application of Internet of Things:
Control signaling receiver module is used to receive the control signaling that the base station sends, and comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data transmission module is used for according to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format.
Compared with prior art, the present invention has the following advantages:
The present invention is 1 subcarrier by adjusting existing LTE system at the least resource thread of frequency domain, thereby business to the very low situation of data rate requirement under, the frequency domain resource that can only distribute one or more subcarriers, because a subcarrier only is 1/12 of a RB, thereby the present invention both can guarantee the reliability that low rate traffic is handled, and can effectively improve the utilance of frequency domain resource again.Thereby the system that fully guaranteed can come the flexible allocation frequency domain resource according to the difference of service rate, can also make the maximization of frequency domain resource utilance.
Description of drawings
Fig. 1 is that a kind of frequency domain resource of improving of the present invention is distributed the flow chart of realization LTE at the method embodiment 1 of the application of Internet of Things;
Fig. 2 is that a kind of frequency domain resource of improving of the present invention is distributed the flow chart of realization LTE at the method embodiment 2 of the application of Internet of Things;
Fig. 3 is that a kind of frequency domain resource of improving of the present invention is distributed the flow chart of realization LTE at the method embodiment 3 of the application of Internet of Things;
Fig. 4 is that a kind of frequency domain resource of improving of the present invention is distributed the structured flowchart of realization LTE in the system embodiment 1 of the application of Internet of Things;
Fig. 5 is that a kind of frequency domain resource of improving of the present invention is distributed the structured flowchart of realization LTE in the system embodiment 2 of the application of Internet of Things;
Fig. 6 is that a kind of frequency domain resource of improving of the present invention is distributed the structured flowchart of realization LTE in the system embodiment 3 of the application of Internet of Things;
Fig. 7 is that a kind of frequency domain resource of improving of the present invention distribute to realize the structured flowchart of LTE at the communication system embodiment 1 of the base station of the application of Internet of Things and user terminal;
Fig. 8 is that a kind of frequency domain resource of improving of the present invention distribute to realize the structured flowchart of LTE at the communication system embodiment 2 of the base station of the application of Internet of Things and user terminal.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
With reference to figure 1, show a kind of frequency domain resource of improving of the present invention and distribute the flow chart of realization LTE at the method embodiment 1 of the application of Internet of Things, specifically can may further comprise the steps:
For any wireless system, communicate and to take certain Radio Resource, the RRM of LTE system is under limited bandwidth, for wireless user terminal in the network provides the quality of service guarantee, satisfy the required high transfer rate of high speed business, and farthest improve the utilance of wireless frequency spectrum.Be well known that the major technique advantage of LTE system is embodied in: high data rate; Correspondingly, for a long time, for the research of LTE, those skilled in the art generally believe the very just higher user data rate of part and parcel, promptly how to satisfy the business demand of user's higher rate.For the business of low rate, because it all can be handled in the first generation, the second generation, 3-G (Generation Three mobile communication system),, those skilled in the art handle the problem that low rate traffic is brought in the LTE system so can't going to focus on,
Yet, the inventor herein notices, when in the LTE system, handling low rate traffic, because must adopt a RB to carry out frequency domain resource at least distributes, so the problem of frequency domain resource waste will occur, thereby be 1 subcarrier by adjusting existing LTE system at the least resource thread of frequency domain in embodiments of the present invention, thereby require lower business for data rate, the frequency domain resource that only need take one or more subcarriers is carried out transfer of data, to improve the utilance of frequency domain resource.The present invention has overcome those skilled in the art for a long time fully, and systematic research concentrates on the technology prejudice of the business demand that how to satisfy user's higher rate for LTE, solved those skilled in the art since technology prejudice and in the LTE system that do not go fully to pay close attention to low rate traffic handle the wasting of resources problem of being brought.
With reference to figure 2, show a kind of frequency domain resource of improving of the present invention and distribute the flow chart of realization LTE at the method embodiment 2 of the application of Internet of Things, in the present embodiment, described transfer of data relates to the transmission and the receiving course of downlink data, specifically can may further comprise the steps:
In specific implementation, network side is in the pairing control signaling of downlink data, indicate the shared subcarrier number of this downlink data, and, the form that this downlink data is used, modulation coding mode for example, then, network side adopts described data format, on the sub-carrier frequency domain position of appointment transfer of data is gone out.After end side receives control signaling and data, at first can go to resolve the control signaling, in order to from the control signaling, to obtain the subcarrier number and the data format of network side appointment, then, obtain data from the frequency domain position of the subcarrier number of appointment, and go to resolve corresponding data according to corresponding data format.
For making those skilled in the art understand the present invention better, below provide a kind of concrete example of in the LTE system, using.
Suppose under the system bandwidth of 20M, as long as certain downlink business is transmission 2 bit informations, network side is 6 subcarriers of this traffic assignments in the control signaling, subcarrier number from 6 to 11, and in control modulation coding mode to be set in the signaling be QPSK modulation (Quadrature Phase Shift Keying, a kind of digital modulation mode).
In this case, the process that network side sends is: network side is modulated to the QPSK modulation symbol with described 2 bit informations through QPSK, then this QPSK modulation symbol is put into subcarrier number and is from 6 to 11 frequency domain position, and at this moment, the data of base band are ready to complete; Through DAC, upconvert to 2.35G, and after the power amplification, data are got final product from the antenna opening transmission.
Correspondingly, the process that end side receives is: terminal is at first carried out down-conversion to the data that receive, through ADC, obtain the data of base band, can resolve the control corresponding signaling then, obtain data from subcarrier number for from 6 to 11 frequency domain position, and each the QPSK modulation symbol on these 6 subcarriers is carried out demodulation, obtain 2 original bit informations.
With reference to figure 3, show a kind of frequency domain resource of improving of the present invention and distribute the flow chart of realization LTE at the method embodiment 3 of the application of Internet of Things, in the present embodiment, described transfer of data relates to the transmission and the receiving course of upstream data, specifically can may further comprise the steps:
In specific implementation, network side is at first issued end side with the control signaling of upstream data correspondence, has indicated the data format that this upstream data adopts in this control signaling, as modulation coding mode, and, the subcarrier number that this upstream data is shared.After end side receives this control signaling, adopt the data format that indicates, on the subcarrier of appointment, transfer of data is gone out; Network side then obtains data from the frequency domain position of the subcarrier number of appointment, and goes to resolve corresponding data according to the data format that indicates.
For making those skilled in the art understand the present invention better, below provide two kinds of concrete examples of in the LTE system, using.
Example one:
Suppose under the 1.4M system bandwidth, certain uplink service is as long as transmit 1 bit information, and network side is 1 subcarrier of this traffic assignments in the control signaling, and subcarrier number is 18, its modulation system is BPSK (two-phase PSK modulation), should control signaling then and be sent to end side;
In this case, the process that end side sends is: end side is modulated to the BPSK modulation symbol with described 1 bit information through BPSK, then this BPSK modulation symbol is put into subcarrier number and is 18 frequency domain position, and at this moment, the data of base band are ready to complete; Through DAC, upconvert to 2.35G, and after the power amplification, data can be sent from antenna opening.
The process that network side receives is: network side at first carries out down-conversion to the data that get access to, through ADC, obtain the data of base band, can resolve the control corresponding signaling then, from subcarrier number is that 18 frequency domain position obtains data, and the BPSK modulation symbol on this 1 subcarrier carried out demodulation, obtain 1 original bit information.
Example two:
Suppose under 1.4 system bandwidths, the VoIP business will be transmitted 24 bit informations, and network side is at control 24 subcarriers that have been this traffic assignments in the signaling, and subcarrier number is from 0 to 23, be about to be numbered 0 and 1 RB and distribute to this business and use, and its modulation system is set is the BPSK modulation.
In this case, the process that end side sends is: end side is modulated to 24 BPSK modulation symbols with described 24 bit informations through BPSK, then these 24 BPSK modulation symbols are put into successively subcarrier number and are from 0 to 23 frequency domain position, at this moment, the data of base band are ready to complete; Pass through DAC then, upconvert to 2.35G, data can be sent from antenna opening through power amplification.
The process that network side receives is: network side at first carries out down-conversion to the data that receive, through ADC, obtain the data of base band, can resolve the control corresponding signaling then, from subcarrier number is that 0 to 23 frequency domain position obtains data, and each the BPSK modulation symbol on these 24 subcarriers carried out demodulation, obtain 24 original bit informations.
As can be seen, use the embodiment of the invention, in to the very high business of rate requirement, system can all distribute to its use with hundreds of even all subcarriers; In to the not high business of rate requirement, system can use tens subcarrier allocation to it; In the business lower to rate requirement, system can only distribute several even have only a subcarrier to use to it.Thereby the system that can fully guarantee can come the flexible allocation frequency domain resource according to the difference of service rate, can also make the maximization of frequency domain resource utilance.
Need to prove, for method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
With reference to figure 4, show a kind of frequency domain resource of improving of the present invention and distribute the structured flowchart of realization LTE in the system embodiment 1 of the application of Internet of Things, specifically can comprise with lower module:
Be positioned at the control signaling generation module 401 of network side 1, be used to generate control signaling of data transmission, comprise the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Be positioned at the data acquisition module 403 of receiving terminal, be used for receiving described data, and resolve described data according to described data format information from described sub-carrier frequency domain position.
Distribute the structured flowchart of realization LTE with reference to of the present invention a kind of frequency domain resource of improving shown in Figure 5 in the system embodiment 2 of the application of Internet of Things, when described transfer of data is the transmission of downlink data and when receiving, described data transmission module 402 is positioned at network side 1, and described data acquisition module 403 is positioned at end side 2.
Distribute the structured flowchart of realization LTE with reference to of the present invention a kind of frequency domain resource of improving shown in Figure 6 in the system embodiment 3 of the application of Internet of Things, when described transfer of data is the transmission of upstream data and when receiving, described data transmission module 402 is positioned at end side 2, and described data acquisition module 403 is positioned at network side 1; In this real embodiment, can also comprise the control signaling delivery module 404 that is arranged on network side, be used for described control signaling is sent to end side 2.
In a preferred embodiment of the present invention, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
In specific implementation, described subcarrier information can adopt subcarrier number, and described data format can adopt modulation coding mode commonly used.
For device embodiment, because it is similar substantially with method embodiment shown in Figure 3 to Fig. 1, Fig. 2, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
With reference to figure 7, show a kind of frequency domain resource of improving of the present invention and distribute to realize the structured flowchart of LTE at the communication system embodiment 1 of the base station of the application of Internet of Things and user terminal, a kind of base station 71 provided by the present invention specifically can comprise with lower module:
Control signaling generation module 711 is used to generate control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Correspondingly, the present invention also provides a kind of user terminal 72, specifically can comprise as lower module:
Control signaling receiver module 721 is used to receive the control signaling that the base station sends, and comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
With reference to figure 8, show a kind of frequency domain resource of improving of the present invention and distribute realization LTE at the base station of the application of Internet of Things and communication system embodiment 2 structured flowcharts of user terminal, a kind of base station 81 provided by the present invention specifically can comprise with lower module:
Control signaling generation module 811 is used to generate control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Control signaling delivery module 812 is used for described control signaling is sent to user terminal 82;
Correspondingly, the present invention also provides a kind of user terminal 82, specifically can comprise as lower module:
Control signaling receiver module 821 is used to receive the control signaling that the base station sends, and comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
For the embodiment of above-mentioned communication system, because it is similar substantially with method embodiment shown in Figure 3 to Fig. 2, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than to the frequency domain resource distribution method of a kind of LTE provided by the present invention system, a kind of improve frequency domain resource distribute realize LTE in the system of the application of Internet of Things, improve frequency domain resource and distribute and realize that LTE is in the base station of the application of Internet of Things and improve frequency domain resource and distribute and realize that LTE is described in detail at the user terminal of the application of Internet of Things, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (16)
1. a method of improving frequency domain resource distribution realization LTE in the application of Internet of Things is characterized in that, comprising:
Network side generates control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
According to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format;
Receiving terminal receives described data from described sub-carrier frequency domain position, and resolves described data according to described data format information.
2. the method for claim 1, it is characterized in that, when described transfer of data is the transmission of downlink data and when receiving, the described subcarrier information of described foundation is carried out by network side in the step of corresponding sub-carrier frequency domain location transmission corresponding format data, and described receiving terminal is an end side.
3. the method for claim 1, it is characterized in that, when described transfer of data is the transmission of upstream data and when receiving, the described subcarrier information of described foundation is carried out by end side in the step of corresponding sub-carrier frequency domain location transmission corresponding format data, and described receiving terminal is a network side;
Described method also comprises:
Network side is sent to end side with described control signaling.
4. as claim 1,2 or 3 described methods, it is characterized in that the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
5. method as claimed in claim 4 is characterized in that, described subcarrier information is a subcarrier number, and described data format is a modulation coding mode.
6. a system that improves frequency domain resource distribution realization LTE in the application of Internet of Things is characterized in that, comprising:
Be positioned at the control signaling generation module of network side, be used to generate control signaling of data transmission, comprise the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data transmission module is used for according to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format;
Be positioned at the data acquisition module of receiving terminal, be used for receiving described data, and resolve described data according to described data format information from described sub-carrier frequency domain position.
7. system as claimed in claim 6 is characterized in that, when described transfer of data is the transmission of downlink data and when receiving, described data transmission module is positioned at network side, and described receiving terminal is an end side.
8. system as claimed in claim 6 is characterized in that, when described transfer of data is the transmission of upstream data and when receiving, described data transmission module is positioned at end side, and described receiving terminal is a network side;
Described system also comprises:
Be positioned at the control signaling delivery module of network side, be used for described control signaling is sent to end side.
9. as claim 6,7 or 8 described systems, it is characterized in that the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
10. system as claimed in claim 9 is characterized in that, described subcarrier information is a subcarrier number, and described data format is a modulation coding mode.
11. one kind is improved frequency domain resource and distributes realization LTE in the base station of the application of Internet of Things, it is characterized in that, comprising:
Control signaling generation module is used to generate control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data transmission module is used for according to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format.
12. base station as claimed in claim 11 is characterized in that, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
13. one kind is improved frequency domain resource and distributes the user terminal of realization LTE in the application of Internet of Things, it is characterized in that, comprising:
Control signaling receiver module is used to receive the control signaling that the base station sends, and comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data acquisition module is used for receiving the data that the base station sends according to described subcarrier information in corresponding sub-carrier frequency domain position, and resolves described data according to described data format information.
14. one kind is improved frequency domain resource and distributes realization LTE in the base station of the application of Internet of Things, it is characterized in that, comprising:
Control signaling generation module is used to generate control signaling of data transmission, comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Control signaling delivery module is used for described control signaling is sent to user terminal;
Data acquisition module is used for receiving the data that user terminal sends from corresponding described sub-carrier frequency domain position according to described subcarrier information, and resolves described data according to described data format information.
15. base station as claimed in claim 14 is characterized in that, the shared subcarrier of the current data of appointment transmission is at least a subcarrier in the described control signaling.
16. one kind is improved frequency domain resource and distributes the user terminal of realization LTE in the application of Internet of Things, it is characterized in that, comprising:
Control signaling receiver module is used to receive the control signaling that the base station sends, and comprises the shared subcarrier information of current data transmission in the described control signaling, and, the format information of current data;
Data transmission module is used for according to the data of described subcarrier information in corresponding sub-carrier frequency domain location transmission corresponding format.
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| WO2012028076A1 (en) * | 2010-08-30 | 2012-03-08 | 电信科学技术研究院 | Method and device for processing data transmission of machine-type communication device |
| WO2013020525A1 (en) * | 2011-08-11 | 2013-02-14 | 华为技术有限公司 | Method and apparatus for data transmission of uplink short latency communications |
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