CN106549889A

CN106549889A - A kind of self adaptation waveform transfer method, apparatus and system

Info

Publication number: CN106549889A
Application number: CN201510601308.6A
Authority: CN
Inventors: 王森
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2015-09-18
Filing date: 2015-09-18
Publication date: 2017-03-29
Anticipated expiration: 2035-09-18
Also published as: CN106549889B

Abstract

The invention discloses a kind of self adaptation waveform transfer method, apparatus and system, the method includes：Base station can determine that terminal is presently in transmitting scene information, wherein, the transmitting scene information refers to the information for representing network performance state, and transmitting scene information is presently according to the terminal for determining, configure with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminals frames structure configuration information, and, the type of waveform instruction parameter for carrying the terminals frames structure configuration information is sent to the terminal.That is, in the technical scheme described in the embodiment of the present invention, base station can be presently in the configuration of transmitting scene information self-adapting according to terminal and be presently in the waveform transfer scheme that transmitting scene information is adapted with terminal, so as to meet the diversified scene demand of following 5th third-generation mobile communication technology, and then improve Consumer's Experience.

Description

A kind of self adaptation waveform transfer method, apparatus and system

Technical field

The present invention relates to wireless communication technology field, more particularly to a kind of self adaptation waveform transfer method, device And system.

Background technology

In order to meet people it is growing for the demand of high-speed data service transmission, while considering single load As the intersymbol interference Restrainable algorithms of multipath channel introducing are complex in ripple balancing technique so that multicarrier skill Art is widely used in the broadband multimedia services transmission of two-forty.Existing multi-transceiver technology may include OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexi), GFDM (Generalized Frequency Division Multiplexing, broad sense frequency division multiplexing), F-OFDM (Filtered OFDM, the orthogonal frequency division multiplexi after filtration), UFMC (Univeral Filtered Multi-Carrier, universal filter multicarrier) and FBMC (Filter Bank based Multi-Carrier, Multicarrier based on wave filter group) etc., wherein, as OFDM adopts one group of orthogonal sub-carriers multichannel simultaneously Row transmission services data, and quick FFT (Fast Fourier Transformation, quick Fu can be utilized Family name converts)/IFFT (FFT inverse transformations) algorithm is realized, therefore be widely used in system of broadband wireless communication, Such as LTE (Long Term Evolution, Long Term Evolution) systems and WIFI (Wireless-Fidelity, Wireless Fidelity) all using OFDM as physical layer key technology.

In following 5th Generation Mobile Communication System, in addition to needing to continue to strengthen mobile broadband service performance, Simultaneously also need to meet following various Internet of Things variation scene demands, for example vast capacity, ultralow time delay, Ultrahigh speed movement, super large connection etc..And existing LTE system, such as entered using OFDM waveform transfer modes Row signalling, due to its corresponding configuration be subcarrier spacing unification for 15KHz, Transmission Time Interval is 1ms, therefore the OFDM waveform transfer modes of LTE system configuration are not suitable for the transmission of ultralow time delay business. Further, since being vulnerable to the impact of frequency deviation and same to signal using the system of OFDM waveform transfer modes Step requirement is higher, therefore in the larger scene of the frequency deviations such as high-speed mobile, systematic function will have larger damage Lose, now should then choose the waveform transfer side of other suitable ultralow time delay business or suitable high-speed mobile scene Formula, but it is found by the applicant that the waveform transfer mode of existing LTE system design can not be presently according to terminal Transmitting scene and adaptive configuration waveform transfer mode.

For example, in existing LTE/LTE-A (evolution of LTE-Advanced, LTE) system, such as adopt Used as waveform transfer scheme, terminal eventually passes back to RRC (Radio Resource to OFDM from starting shooting to Control, wireless heterogeneous networks) Idle state process substantially：When starting up of terminal, line frequency can be entered successively Spot scan, cell searching are obtained with synchronous, system information, PLMN is selected and cell is selected and gravity treatment, After finally residing in certain cell etc. sequence of operations process, into RRC Idle state.Further, Terminal from RRC connected states to the process for coming back to RRC Idle state substantially：When network side has terminal When business or terminal itself need initiation business, terminal can initiate RRC connection building process, in terminal After initiation Stochastic accessing sets up RRC connections and radio bearer, when needing to send data, if existing base Stand distribution resource, it is possible to directly carried out data transmission using allocated resource；If not having to enter The resource of row transmission, then need to first pass through after dispatch request process carries out resource bid, recycle application to obtain Resource be finally completed the transmission of data, afterwards, when terminal for some reason, be such as transmitted or bear Equilibrium etc. is carried, and when needing to be attached release, then RRC will to be come back to by RRC connected states idle for terminal State.

Applicant is to above-mentioned flow process, (terminal eventually passes back to RRC Idle state and from foundation from starting shooting to RRC be connected to disconnection RRC connection) studied during find, in above-mentioned flow process, terminal is only capable of The waveform transfer scheme configured according to current default carries out signalling, and cannot be different according to needed for terminal The related waveform transfer scheme of transmitting scene adaptive configuration, therefore the waveform transfer of existing LTE system configuration Mode cannot meet the demand of following 5th third-generation mobile communication technology variation extreme scenes.

Therefore, a kind of new waveform transfer method of offer is provided badly, is solved in existing LTE system, terminal The waveform transfer mode for being only capable of configuring according to current default carries out signalling, it is impossible to according to different transmission fields The related waveform transfer scheme of scape adaptive configuration, leads to not the following 5th third-generation mobile communication technology of satisfaction many The problem of the scene demand of sample.

The content of the invention

A kind of self adaptation waveform transfer method, apparatus and system are embodiments provided, to solve In existing LTE system, the waveform transfer mode that terminal is only capable of configuring according to current default carries out signalling, Cannot lead to not meet future according to the related waveform transfer scheme of different transmitting scene adaptive configurations The problem of the diversified scene demand of the 5th third-generation mobile communication technology.

A kind of self adaptation waveform transfer method is embodiments provided, including：

Base station determines that terminal is presently in transmitting scene information, wherein, the transmitting scene information refers to expression The information of network performance state；

The terminal according to determining is presently in transmitting scene information, configures and is presently in passing with the terminal Defeated scene information is corresponding, terminals frames structure configuration information that is representing waveform transfer mode；

The type of waveform instruction parameter for carrying the terminals frames structure configuration information is sent to the terminal, with The terminal frame structure configuration letter in parameter is indicated by the terminal according to the type of waveform for receiving The represented waveform transfer mode of breath carries out signalling.

Wherein, the transmitting scene information is according to one or more determination in following information：

Channel circumstance, terminal traffic type, terminal communication type or terminal processing capacity residing for terminal.

Alternatively, the terminals frames structure configuration information at least includes：Subcarrier number, symbolic number and each The sampling number of symbol.

Further, in the type of waveform that the terminals frames structure configuration information is carried to terminal transmission Before indicating parameter, methods described also includes：

Transmitting scene information is presently according to the terminal, the terminal is divided to current with the terminal In the corresponding set of residing transmitting scene information.

Further, the type of waveform for carrying the terminals frames structure configuration information to terminal transmission refers to Show parameter, including：

Send to all terminals gathered belonging to the terminal and carry the terminals frames structure configuration information Type of waveform indicates parameter.

Further, the type of waveform indicate parameter be in the following manner in send for one or more to The terminal：

The type of waveform being indicated, parameter carries to match somebody with somebody in system information again to send to the terminal in signaling；Or Person

The type of waveform being indicated, parameter carries to reconfigure in RRC send in signaling to the terminal；Or Person

The type of waveform is indicated into that parameter is carried in MAC header (Media Access Control Header, media intervention key-course header) in MAC layer control unit signaling in send to the terminal； Or

The type of waveform being indicated, parameter is carried to send in the control signaling of physical layer channel to the end End.

Further, before the base station determines that terminal is presently in transmitting scene information, methods described is also Including：

RRC that the terminal sends is received again with signaling, the RRC again with carry in signaling with it is described Terminal is presently in the corresponding waveform transfer mode of transmitting scene information and identifies；

Identified according to the waveform transfer mode, configure and corresponding, table is identified with the waveform transfer mode The terminals frames structure configuration information of oscillography shape transmission means.

Further, the embodiment of the present invention additionally provides another kind of self adaptation waveform transfer method, including：

Terminal receives the type of waveform instruction parameter that base station sends, and the type of waveform is carried in indicating parameter With the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminal frame structure Configuration information, wherein, the transmitting scene information refers to the information for representing network performance state；

Waveform according to represented by the type of waveform indicates the terminals frames structure configuration information in parameter Transmission means carries out signalling.

Further, before the type of waveform instruction parameter that the terminal receives that base station sends, methods described Also include：

Send to the base station and carry the waveform transfer corresponding with transmitting scene information itself is presently in The RRC that mode is identified matches somebody with somebody signaling again, again to match somebody with somebody the institute that in signaling carry according to the RRC by the base station State waveform transfer mode to identify, configure with the waveform transfer mode identify it is corresponding, represent waveform transfer The terminals frames structure configuration information of mode, and the terminal frame structure configuration letter is carried to terminal transmission The type of waveform of breath indicates parameter.

Further, methods described also includes：

Waveform according to represented by the type of waveform indicates the terminals frames structure configuration information in parameter Transmission means, from the N set ptototype filter coefficients for prestoring, is chosen and is configured with the terminal frame structure A set of ptototype filter coefficient that waveform transfer mode represented by information matches is estimated to itself carrying out channel Consequential signal obtained by meter is compensated, wherein, N is positive integer.

Further, the embodiment of the present invention additionally provides a kind of base station, including：

Determining unit, for determining that terminal is presently in transmitting scene information, wherein, the transmitting scene letter Breath refers to the information for representing network performance state；

Processing unit, the terminal for being determined according to determining unit are presently in transmitting scene information, match somebody with somebody Put with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminals frames knot Structure configuration information；

Transmitting element, for the waveform class for carrying the terminals frames structure configuration information is sent to the terminal Type indicates parameter, to be indicated the terminal in parameter by the terminal according to the type of waveform for receiving Waveform transfer mode represented by frame structure configuration information carries out signalling.

Further, the base station also includes：

Division unit, carries the terminal frame structure configuration letter for sending to the terminal in transmitting element Before the type of waveform of breath indicates parameter, transmitting scene information is presently according to the terminal, by the end End is divided to and is presently in the corresponding set of transmitting scene information with the terminal.

Further, the transmitting element, specifically for sending to all terminals gathered belonging to the terminal The type of waveform for carrying the terminals frames structure configuration information indicates parameter.

The type of waveform is indicated into that parameter carries the MAC layer control unit signaling in MAC header In send to the terminal；Or

Further, the base station also includes：

Receiving unit, for, before determining unit determines that the terminal is presently in transmitting scene information, connecing The RRC of the terminal transmission is received again with signaling, the RRC is carried in matching somebody with somebody signaling again and worked as with the terminal The corresponding waveform transfer mode of front residing transmitting scene information is identified；

The processing unit, is additionally operable to be identified according to the waveform transfer mode, configures and the waveform transfer Mode identifies terminals frames structure configuration information that is corresponding, representing waveform transfer mode.

Further, the embodiment of the present invention additionally provides a kind of terminal, including：

Receiving unit, the type of waveform for receiving base station transmission indicate parameter, and the type of waveform indicates ginseng Carry in number with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode Terminals frames structure configuration information, wherein, the transmitting scene information refers to the information for representing network performance state；

Processing unit, for the terminals frames structure configuration information in parameter is indicated according to the type of waveform Represented waveform transfer mode carries out signalling.

Further, the terminal also includes：

Transmitting element, for the receiving unit receive the type of waveform that the base station sends indicate parameter it Before, send to the base station and carry the waveform transfer side corresponding with transmitting scene information itself is presently in The RRC of formula mark matches somebody with somebody signaling again, described in being matched somebody with somebody according to the RRC again and be carried in signaling by the base station Waveform transfer mode is identified, configure with the waveform transfer mode identify it is corresponding, represent waveform transfer side The terminals frames structure configuration information of formula, and the terminals frames structure configuration information is carried to terminal transmission Type of waveform indicate parameter.

Further, the terminal also includes：

Compensating unit, for the terminals frames structure configuration information in parameter is indicated according to the type of waveform Represented waveform transfer mode, from the N set ptototype filter coefficients for prestoring, chooses and the end A set of ptototype filter coefficient that waveform transfer mode represented by the frame structure configuration information of end matches is to certainly Body carries out the consequential signal obtained by channel estimation and compensates, wherein, N is positive integer.

Further, the embodiment of the present invention additionally provides a kind of self adaptation waveform transfer system, including：

Base station, for determining that terminal is presently in transmitting scene information, wherein, the transmitting scene information is Refer to the information for representing network performance state, and transmitting scene information be presently according to the terminal for determining, Configure with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminals frames Structure configuration information, and, the waveform for carrying the terminals frames structure configuration information is sent to the terminal Type indicates parameter；

Terminal, indicates parameter for receiving the type of waveform that the base station sends, and according to the type of waveform The waveform transfer mode represented by the terminals frames structure configuration information in instruction parameter carries out signalling.

The present invention has the beneficial effect that：

A kind of self adaptation waveform transfer method, apparatus and system are embodiments provided, in the method, Base station can determine that terminal is presently in transmitting scene information, wherein, the transmitting scene information refers to expression The information of network performance state, and transmitting scene information is presently according to the terminal for determining, configuration with The terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminal frame structure match somebody with somebody Confidence ceases, and, the type of waveform for carrying the terminals frames structure configuration information to terminal transmission refers to Show parameter.That is, in the technical scheme described in the embodiment of the present invention, base station can be worked as according to terminal Front residing transmitting scene information self-adapting configuration is presently in the waveform that transmitting scene information is adapted with terminal Transmission plan, so as to meet the diversified scene demand of following 5th third-generation mobile communication technology, and then improves Consumer's Experience.

Description of the drawings

For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in embodiment description The accompanying drawing that needs are used is briefly introduced, it should be apparent that, drawings in the following description are only the present invention's Some embodiments, for one of ordinary skill in the art, on the premise of not paying creative work, Can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 show a kind of flow process of the self adaptation waveform transfer method described in the embodiment of the present invention one and illustrates Figure；

Fig. 2 show the flow process of another kind of self adaptation waveform transfer method described in the embodiment of the present invention two and illustrates Figure；

Fig. 3 show a kind of interaction flow of the self adaptation waveform transfer method described in the embodiment of the present invention three and shows It is intended to；

Fig. 4 show a kind of structural representation of the base station described in the embodiment of the present invention four；

Fig. 5 show a kind of structural representation of the terminal described in the embodiment of the present invention four；

Fig. 6 show a kind of structural representation of the self adaptation waveform transfer system described in the embodiment of the present invention four Figure.

Specific embodiment

In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this It is bright to be described in further detail, it is clear that described embodiment is only a part of embodiment of the invention, Rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing The all other embodiment obtained under the premise of going out creative work, belongs to the scope of protection of the invention.

Embodiment one：

The embodiment of the present invention one provides a kind of self adaptation waveform transfer method, and the method is applicable to wave filter Group multicarrier system, as shown in figure 1, which is the self adaptation waveform transfer method described in the embodiment of the present invention one Schematic flow sheet, methods described may include following steps：

Step 101：Base station determines that terminal is presently in transmitting scene information, wherein, the transmitting scene letter Breath refers to the information for representing network performance state.

It should be noted that network performance state can behave as high time delay, move slowly at, low capacity, it is low when Prolong, the state such as high-speed mobile or Large Copacity, therefore, different network performance states can be by different transmission fields Scape information represents that the embodiment of the present invention is not repeated to this.

Step 102：The terminal according to determining is presently in transmitting scene information, configures and the terminal Be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminals frames structure configuration information.

Step 103：The type of waveform that the terminals frames structure configuration information is carried to terminal transmission refers to Show parameter, to be indicated the terminals frames knot in parameter by the terminal according to the type of waveform for receiving Waveform transfer mode represented by structure configuration information carries out signalling.

That is, in the technical scheme described in the embodiment of the present invention, base station can be according to the current institute of terminal Place's transmitting scene adaptive configuration is presently in the waveform transfer scheme that transmitting scene is adapted with terminal, so as to Meet the diversified scene demand of following 5th third-generation mobile communication technology, and then improve Consumer's Experience.

Alternatively, in a step 101 base station can according to residing for terminal channel circumstance, terminal traffic type, end End communication type, terminal processing capacity, QoS (Quality of Service, service quality), QoE (Quality Of Experience, Quality of experience) or the information such as termination function in determine the current institute of terminal one or more Place's transmitting scene information, the embodiment of the present invention are not construed as limiting to this.

Further, transmitting scene letter is presently according to the terminal for determining in illustrating step 102 Breath, configure with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode end End frame structure configuration information.

For example, when terminal works are in current LTE frequency ranges, communication type is TDD (Time Division Duplexing, time division duplex)/FDD (Frequency Division Dual, FDD) duplex mode, Disposal ability meets current LTE and defines index, and type of service is typical mobile Internet business, and channel ring When border is typical urban microcellulor, base station can determine that the current desired network performance state of terminal can be passed for Large Copacity According to the above- mentioned information of terminal, defeated state, i.e. base station can determine that terminal is presently in transmitting scene and passes for Large Copacity Defeated scene, now, configurable terminals frames structure configuration information is the end for representing OFDM waveform transfer modes End frame structure configuration information.

Again for example, when terminal works are in current LTE frequency ranges, communication type is TDD/FDD/ multimodes duplex side Formula, disposal ability define index higher than current LTE, type of service for following internet of things service (such as：Tool Have magnanimity to connect, the features such as small data), and channel circumstance, when being defined static, base station can determine that terminal is current Required network performance state can be to move slowly at transmission state, i.e. base station to be determined according to the above- mentioned information of terminal Terminal is presently in transmitting scene to move slowly at transmitting scene, now, can configure terminal frame structure configuration letter Cease the terminals frames structure configuration information for expression Filtered-OFDM (F-OFDM) waveform transfer mode. Further, other factorses, such as high band, cost, implementation complexity and performance requirement are such as considered Deng can be with configurating terminal frame structure configuration information to represent GFDM or UFMC waveform transfers in this example The terminals frames structure configuration information of mode, the embodiment of the present invention are not repeated to this.

In addition, the terminals frames structure configuration information at least may include：Subcarrier number, symbolic number, each Sampling number of sampling number, subsymbol number and each subsymbol of symbol etc., that is to say, that by these Terminals frames structure configuration information would know that its waveform transfer mode for representing, afterwards, can be by terminal according to corresponding Waveform transfer mode carries out the transmission of related signaling.

Specifically, base station configures corresponding terminals frames structure configuration information in the different waveform transfer modes of selection When, can be configured according to following design principle：

1st, it is descending according to terminal processing capacity (i.e. implementation complexity), can be by each waveform transfer mode Put in order as FBMC>GFDM>Filtered-OFDM>UFMC>OFDM.

2nd, according to terminal traffic type, when such as low time delay is required, can configure in terminals frames structure configuration information Symbol lengths it is longer；During high delay requirement, can configure symbol lengths in terminals frames structure configuration informations compared with It is short.

3rd, the channel circumstance according to residing for terminal, when such as channel circumstance is defined static, can configure terminal frame structure Subcarrier width in configuration information is narrower；When channel circumstance is high-speed transfer, configurable terminal frame structure is matched somebody with somebody Subcarrier width in confidence breath is wider.

Certainly, the design principle of terminals frames structure configuration information is not limited at above-mentioned this 3 points, can also be according to end The practical situation of end and channel etc. and design, the embodiment of the present invention is not repeated to this.

Further, in the type of waveform that the terminals frames structure configuration information is carried to terminal transmission Before indicating parameter, methods described may also include：

Advantage of this is that can reduce opening for signaling while configure the waveform transfer mode of multiple terminals Pin.It should be noted that it is virtual division to divide set to each terminal here, not necessarily according to thing Reason terminal type is divided, and the terminal divided in each set itself can be presently in transmission according to each terminal Scene information different and accordingly change, the embodiment of the present invention is not repeated to this.

Correspondingly, to be presently in transmitting scene information with the terminal corresponding the terminal is divided to After in set, step 103 sends the waveform for carrying the terminals frames structure configuration information to the terminal Type indicates parameter, can be embodied as：

Further, in the type of waveform that the terminals frames structure configuration information is carried to terminal transmission When indicating parameter, transmitting scene information can be presently according to terminal, select different signalling flow processs to pass The defeated type of waveform indicates parameter, specifically may include following five kinds of modes：

Mode one, the type of waveform being indicated, parameter is carried in system information again with sending in signaling to described Terminal.

Specifically, signaling can be matched somebody with somebody again by initiating system information, the type of waveform is indicated into that parameter is carried System information is sent to the terminal in matching somebody with somebody signaling again.It should be noted that the configuration of the signalling flow process Cycle is longer, generally hundreds of Milliseconds, and as residing for when terminal, during transmitting scene information pair, ductility is less demanding And required signaling consumption it is less when, this mode transmitted waveform type may be selected and indicates parameter.

Mode two, the type of waveform being indicated, parameter is carried in RRC again with sending to the end in signaling End.

Mode three, the MAC layer control by type of waveform instruction parameter carrying in MAC header Send in unit signaling to the terminal.

It should be noted that the configuration cycle of the signalling flow process is generally dozens of Millisecond.

Mode four, by the type of waveform indicate parameter carry send in the control signaling of physical layer channel to The terminal.

It should be noted that the configuration cycle of the signalling flow process is shorter, generally several milliseconds ranks, Preferably, when when transmitting scene information pair residing for terminal, Ductility Requirement is higher, this mode of may be selected is passed adaptability Defeated type of waveform indicates parameter.

Mode five, this mode are that terminal is used and is different from according to transmitting scene information, needs itself are presently in The waveform transfer mode of current default configuration is be suitable for when actively changing waveform transfer mode to base station application Signalling flow process, can specifically be embodied as：

Afterwards, the type of waveform for carrying the terminals frames structure configuration information is sent from base station to the terminal Indicate parameter.

For example, it is assumed that the waveform transfer mode of terminal current default configuration is OFDM waveform transfer modes, But terminal is according to transmitting scene information is presently in, current default need to be matched somebody with somebody by such as terminal present type of service etc. The OFDM waveform transfer modes put are revised as GFDM waveform transfer modes, to meet terminal current business Required resource, now, terminal can send to base station and carry what GFDM waveform transfer modes were identified RRC matches somebody with somebody signaling again, receives the RRC again with signaling by base station, and according to the RRC again with signaling GFDM waveform transfer modes are identified, and configuration identifies corresponding, expression with GFDM waveform transfer modes The terminals frames structure configuration information of GFDM waveform transfer modes, afterwards, carries sending to the terminal The type of waveform of the terminals frames structure configuration information indicates parameter.

It should be noted that the type of waveform indicate parameter be carried in RRC again with send in signaling to The terminal, in addition, the configuration cycle of the signalling flow process generally hundreds of Milliseconds.

Certainly it should be noted that the transmission type of waveform indicates the signalling flow process of parameter except above-mentioned Outside 5 kinds of modes, the type of waveform can also be transmitted using the signalling flow process of other modes and is indicated Parameter, the embodiment of the present invention are not construed as limiting to this.

The embodiment of the present invention one provides a kind of self adaptation waveform transfer method, and in the method, base station can Determine that terminal is presently in transmitting scene information, wherein, the transmitting scene information refers to expression network performance The information of state, and transmitting scene information is presently according to the terminal for determining, configure and the terminal Be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminals frames structure configuration information, And, the type of waveform instruction parameter for carrying the terminals frames structure configuration information is sent to the terminal. That is, in the technical scheme described in the embodiment of the present invention, base station can be presently in passing according to terminal Defeated scene information adaptive configuration is presently in the waveform transfer scheme that transmitting scene information is adapted with terminal, So as to meet the diversified scene demand of following 5th third-generation mobile communication technology, and then improve Consumer's Experience.

Embodiment two

The embodiment of the present invention two so that action executing side is as terminal as an example, to adaptive described in the embodiment of the present invention one Answer waveform transfer method to be further described, the method is applicable to filter bank multi-carrier system, such as scheme Shown in 2, which is the schematic flow sheet of the self adaptation waveform transfer method described in the embodiment of the present invention two, described Method may include following steps：

Step 201：Terminal receives the type of waveform instruction parameter that base station sends, and the type of waveform indicates ginseng Carry in number with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode Terminals frames structure configuration information, wherein, the transmitting scene information refers to the information for representing network performance state.

It should be noted that network performance state can behave as high time delay, move slowly at, low capacity, it is low when Prolong, high-speed mobile or Large Copacity etc. state, therefore, different network performance states can be by different transmission Scene information represents that the embodiment of the present invention is not repeated to this.

Step 202：Indicate that according to the type of waveform terminals frames structure configuration information institute in parameter is right The waveform transfer mode answered carries out signalling.

That is, in the technical scheme described in the embodiment of the present invention, what terminal can be sent according to base station Type of waveform indicate parameter in carry with the terminal be presently in transmitting scene information it is corresponding, represent Waveform transfer mode represented by the terminals frames structure configuration information of waveform transfer mode carries out signalling, from And realize according to terminal be presently in transmitting scene information self-adapting configuration with terminal be presently in transmission field The waveform transfer scheme that scape information is adapted, so as to meet the diversified field of following 5th third-generation mobile communication technology Scape demand, and then improve Consumer's Experience.

It should be noted that the transmitting scene may include channel circumstance residing for terminal, terminal traffic type, Terminal communication type, QoS, QoE or termination function etc., the embodiment of the present invention is not construed as limiting to this.

Alternatively, the transmitting scene information can be the channel ring according to residing for terminal by base station or terminal itself Border, terminal traffic type, terminal communication type, terminal processing capacity, QoS (Quality of Service, Service quality), in the information such as QoE (Quality of Experience, Quality of experience) or termination function one Kind or various determinations, the embodiment of the present invention is not construed as limiting to this.

In addition, it is necessary to illustrate, the terminals frames structure configuration information at least may include：Subcarrier number, Sampling number of symbolic number, the sampling number of each symbol, subsymbol number and each subsymbol etc., that is, Say, its waveform transfer mode for representing, afterwards, terminal are would know that by these terminals frames structure configuration informations The transmission of related signaling can be carried out according to respective waveforms transmission means.

Further, terminal is current to base station application modification also dependent on transmitting scene information itself is presently in The waveform transfer mode of default configuration, can specifically be embodied as：

For example, it is assumed that the waveform transfer mode of terminal current default configuration is OFDM waveform transfer modes, But terminal is presently in channel quality etc. according to transmitting scene information, such as terminal is presently in, and currently need to be write from memory The OFDM waveform transfer modes for recognizing configuration are revised as GFDM waveform transfer modes, current to meet terminal Resource needed for residing channel quality, now, terminal can send to base station and carry GFDM waveform transfers The RRC that mode is identified matches somebody with somebody signaling again, again matches somebody with somebody in signaling carry according to the RRC for receiving by base station GFDM waveform transfer modes are identified, and configuration identifies corresponding, expression with GFDM waveform transfer modes The terminals frames structure configuration information of GFDM waveform transfer modes, and it is described carrying to terminal transmission The type of waveform of terminals frames structure configuration information indicates parameter, and terminal can be according to the waveform class for receiving afterwards The GFDM waveform transfers mode represented by terminals frames structure configuration information in type instruction parameter carries out signaling Transmission.

It should be noted that terminal is when signalling is carried out according to the waveform transfer mode being currently configured, meeting By detecting the reference signals such as the pilot tone in frame structure, down channel estimation is carried out, but due in LTE system There is no the interference between different resource unit (RE) in same cells, therefore, such as, using GFDM During waveform transfer mode, in the case where multipath channel and noise is not considered, receiving end (such as terminal) channel is estimated The signal that meter is obtained can be expressed as form,

Wherein：K-th subcarrier is represented, the_mPrimary signal on individual subsymbol；Represent the_m Individual subsymbol, the_nFilter coefficient on individual sampled point；It is right to represent In_sk,mEstimation；M represents how many subsymbol altogether；K represents how many subcarrier altogether；N Represent the sampling number of each subsymbol；" * " represents conjugate operation symbol；ISI(Inter Symbol Interference)；ICI(Inter Carrier Interference).

But in because of the multicarrier system based on wave filter group, according to the specific implementation of its waveform transfer mode Difference, it is understood that there may be disturb between block, between intersymbol or subsymbol, therefore, such as using in LTE system Reference signal waveform that the receiving end (such as terminal) in the multicarrier system based on wave filter group is configured pass Channel in some of defeated mode resource is estimated, the accuracy of channel estimation can be caused relatively low, affected The information transmission quality of receiving end (such as terminal), therefore, in order to improve the accuracy of channel estimation, using Reference signal in LTE system is matched somebody with somebody to the receiving end (such as terminal) in the multicarrier system based on wave filter group After channel in some of the waveform transfer mode put resource is estimated, need further to estimate channel Consequential signal obtained by meter is compensated, and specifically, can be embodied as：

It should be noted that except CQI (Channel Quality can be realized using filtering compensation method Indication, channel quality are indicated) compensate outer, can also realize using other compensation methodes that CQI is compensated, The embodiment of the present invention is not repeated to this.

The embodiment of the present invention two provides a kind of self adaptation waveform transfer method, and in the method, terminal being capable of root Indicate that what is carried in parameter is presently in transmitting scene information with the terminal according to the type of waveform that base station sends Waveform transfer mode represented by the terminals frames structure configuration information of corresponding, expression waveform transfer mode is entered Row signalling, it is achieved thereby that be presently in the configuration of transmitting scene information self-adapting according to terminal working as with terminal The waveform transfer scheme that front residing transmitting scene information is adapted, and then meet following 5th third-generation mobile communication skill The diversified scene demand of art, and realize that CQI is compensated by filter coefficient, channel estimation can be improved Accuracy, further increase Consumer's Experience.

Embodiment three

The embodiment of the present invention three by taking the execution of base station and terminal interaction as an example, to institute in the embodiment of the present invention one to two State self adaptation waveform transfer method to be further described, as shown in figure 3, which is three institute of the embodiment of the present invention The schematic flow sheet of the self adaptation waveform transfer method stated, methods described may include following steps：

Step 301：Base station determines that terminal is presently in transmitting scene information, wherein, the transmitting scene letter Breath refers to the information for representing network performance state, and is presently in transmitting scene letter according to the terminal for determining Breath, configure with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode end End frame structure configuration information, and, send to the terminal and carry the terminals frames structure configuration information Type of waveform indicates parameter.

Alternatively, base station can according to residing for terminal channel circumstance, terminal traffic type, terminal communication type, Terminal processing capacity, QoS (Quality of Service, service quality), QoE (Quality of Experience, Quality of experience) or the information such as termination function in determine that terminal is presently in transmitting scene letter one or more Breath, the embodiment of the present invention are not construed as limiting to this.

In addition, it is necessary to illustrate, the terminals frames structure configuration information at least may include：Subcarrier number, Sampling number of symbolic number, the sampling number of each symbol, subsymbol number and each subsymbol etc., that is, Say, its waveform transfer mode for representing is would know that by these terminals frames structure configuration informations, afterwards, can be by Terminal carries out the transmission of related signaling according to respective waveforms transmission means.

Correspondingly, to be presently in transmitting scene information with the terminal corresponding the terminal is divided to After in set, step 301 sends the waveform for carrying the terminals frames structure configuration information to the terminal Type indicates parameter, can be embodied as：

It should be noted that base station is carrying the terminals frames structure configuration information to terminal transmission When type of waveform indicates parameter, transmitting scene information can be presently according to terminal, select different signalings to pass Defeated flow process is transmitted the type of waveform and indicates parameter, and in specifically can be found in the embodiment of the present invention one, mode one is to side Signalling flow process described in formula five, the embodiment of the present invention are not repeated to this.

Step 302：Terminal receives the type of waveform and indicates parameter, and indicates to join according to the type of waveform The waveform transfer mode represented by the terminals frames structure configuration information in number carries out signalling.

Further, in due to the multicarrier system based on wave filter group, according to the tool of its waveform transfer mode The difference of body implementation, it is understood that there may be disturb between block, between intersymbol or subsymbol, therefore, such as use Reference signal in LTE system is matched somebody with somebody to the receiving end (such as terminal) in the multicarrier system based on wave filter group Channel in some of the waveform transfer mode put resource estimated, can cause the accuracy of channel estimation It is relatively low, the information transmission quality of receiving end (such as terminal) is affected, therefore, in order to improve the accurate of channel estimation Degree, the reference signal in using LTE system to the receiving end in the multicarrier system based on wave filter group (such as Terminal) after the channel in some of the waveform transfer mode that configured resource estimated, need further Ground is compensated to the consequential signal obtained by channel estimation, specifically, can be embodied as：

It should be noted that in addition to CQI being realized using filtering compensation method and is compensated, can also adopt which His compensation method is compensated realizing CQI, and the embodiment of the present invention is not repeated to this.

The embodiment of the present invention three provides a kind of self adaptation waveform transfer method, and in the method, base station can Determine that terminal is presently in transmitting scene information, wherein, the transmitting scene information refers to expression network performance The information of state, and transmitting scene information is presently according to the terminal for determining, configure and the terminal Be presently in transmitting scene information it is corresponding, represent waveform transfer mode terminals frames structure configuration information, And, the type of waveform instruction parameter for carrying the terminals frames structure configuration information is sent to the terminal. That is, in the technical scheme described in the embodiment of the present invention, base station can be presently in passing according to terminal Defeated scene information adaptive configuration is presently in the waveform transfer scheme that transmitting scene information is adapted with terminal, So as to meet the diversified scene demand of following 5th third-generation mobile communication technology, and then improve Consumer's Experience.

Example IV

Based on one identical inventive concept of the embodiment of the present invention, the embodiment of the present invention four provide a kind of base Stand, being embodied as of the base station can be found in the associated description in said method embodiment one, repeat part no longer Repeat, its structural representation is as shown in figure 4, the base station mainly may include：

Determining unit 41, can be used to determine that terminal is presently in transmitting scene information, wherein, the transmission field Scape information refers to the information for representing network performance state；

Processing unit 42, the terminal that can be used to be determined according to determining unit 41 are presently in transmitting scene Information, configure with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer mode Terminals frames structure configuration information；

Transmitting element 43, can be used for the terminal sending the ripple for carrying the terminals frames structure configuration information Shape type indicates parameter, with by the terminal according in the type of waveform instruction parameter for receiving Waveform transfer mode represented by terminals frames structure configuration information carries out signalling.

Further, the base station may also include：

Division unit 44, can be used to carry the terminals frames knot to terminal transmission in transmitting element 43 Before the type of waveform of structure configuration information indicates parameter, transmitting scene information is presently according to the terminal, The terminal is divided to and is presently in the corresponding set of transmitting scene information with the terminal.

Further, the transmitting element 43, is particularly used in all terminals gathered belonging to the terminal Transmission carries the type of waveform of the terminals frames structure configuration information and indicates parameter.

Further, the base station may also include：

Receiving unit 45, can be used to determine that the terminal is presently in transmitting scene information in determining unit 41 Before, the RRC for receiving the terminal transmission matches somebody with somebody signaling again, and the RRC is carried and institute in matching somebody with somebody signaling again State terminal and be presently in the corresponding waveform transfer mode of transmitting scene information and identify；

The processing unit 42, it may also be used for identified according to the waveform transfer mode, configures and the waveform Transmission means identifies terminals frames structure configuration information that is corresponding, representing waveform transfer mode.

Further, based on two identical inventive concept of the embodiment of the present invention, the embodiment of the present invention four also carries A kind of terminal is supplied, being embodied as of the terminal can be found in the associated description in said method embodiment two, weight Multiple part is repeated no more, and its structural representation is as shown in figure 5, the terminal mainly may include：

Receiving unit 51, can be used to receive the type of waveform instruction parameter that base station sends, and the type of waveform refers to Carry in showing parameter with the terminal be presently in transmitting scene information it is corresponding, represent waveform transfer side The terminals frames structure configuration information of formula, wherein, the transmitting scene information is referred to and represents network performance state Information；

Processing unit 52, can be used to the terminal frame structure configuration in parameter is indicated according to the type of waveform Waveform transfer mode represented by information carries out signalling.

Further, the terminal may also include：

Transmitting element 53, the type of waveform that can be used to receive the base station transmission in the receiving unit 51 refer to Before showing parameter, send to the base station and carry the ripple corresponding with transmitting scene information itself is presently in The RRC of shape transmission means mark matches somebody with somebody signaling again, is taken in signaling with being matched somebody with somebody according to the RRC by the base station again The waveform transfer mode of band is identified, configure with the waveform transfer mode identify it is corresponding, represent ripple The terminals frames structure configuration information of shape transmission means, and the terminal frame structure is carried to terminal transmission The type of waveform of configuration information indicates parameter.

Further, the terminal may also include：

Compensating unit 54, can be used to the terminal frame structure configuration in parameter is indicated according to the type of waveform Waveform transfer mode represented by information, from the N set ptototype filter coefficients for prestoring, chooses and institute State a set of ptototype filter coefficient that the waveform transfer mode represented by terminals frames structure configuration information matches Compensate to itself carrying out the consequential signal obtained by channel estimation, wherein, N is positive integer.

Further, based on the embodiment of the present invention one and two identical inventive concepts, the embodiment of the present invention four Additionally provide a kind of self adaptation waveform transfer system, being embodied as of the system can be found in said method embodiment Associated description in one and two, repeats part and repeats no more, and its structural representation is as shown in fig. 6, this is adaptive Waveform transfer system is answered mainly to may include：

Base station 61, can be used to determine that terminal 62 is presently in transmitting scene information, wherein, the transmission field Scape information refers to the information for representing network performance state, and is presently in passing according to the terminal 62 for determining Defeated scene information, configure with the terminal 62 be presently in transmitting scene information it is corresponding, represent waveform The terminals frames structure configuration information of transmission means, and, send to the terminal 62 and carry the terminal The type of waveform of frame structure configuration information indicates parameter；

Terminal 62, the type of waveform for receiving the transmission of the base station 61 indicate parameter, and according to the ripple The waveform transfer mode represented by the terminals frames structure configuration information in shape type instruction parameter carries out letter Order transmission.

In technical scheme described in the embodiment of the present invention, base station can determine that terminal is presently in transmitting scene letter Breath, wherein, the transmitting scene information refers to the information for representing network performance state, and according to the institute for determining State terminal and be presently in transmitting scene information, it is corresponding that configuration is presently in transmitting scene information with the terminal , represent waveform transfer mode terminals frames structure configuration information, and, to the terminal send carry The type of waveform of the terminals frames structure configuration information indicates parameter.That is, in embodiment of the present invention institute In the technical scheme stated, base station can be presently in the configuration of transmitting scene information self-adapting and terminal according to terminal The waveform transfer scheme that transmitting scene information is adapted is presently in, so as to meet following 5th third-generation mobile communication The diversified scene demand of technology, and then improve Consumer's Experience.

It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment), Or computer program.Therefore, the present invention can using complete hardware embodiment, complete software embodiment, Or with reference to the form of the embodiment in terms of software and hardware.And, the present invention can using at one or more its In include computer-usable storage medium (the including but not limited to disk storage of computer usable program code Device, CD-ROM, optical memory etc.) on the form of computer program implemented.

The present invention is with reference to method according to embodiments of the present invention, device (equipment) and computer program Flow chart and/or block diagram describing.It should be understood that can by computer program instructions flowchart and/or Each flow process and/or square frame and flow chart and/or flow process and/or square frame in block diagram in block diagram With reference to.These computer program instructions can be provided to general purpose computer, special-purpose computer, Embedded Processor Or the processor of other programmable data processing devices is producing a machine so that by computer or other The instruction of the computing device of programmable data processing device produce for realizing in one flow process of flow chart or The device of the function of specifying in one square frame of multiple flow processs and/or block diagram or multiple square frames.

These computer program instructions may be alternatively stored in and computer or other programmable datas process can be guided to set In the standby computer-readable memory for working in a specific way so that be stored in the computer-readable memory Instruction produce and include the manufacture of command device, command device realization is in one flow process or multiple of flow chart The function of specifying in one square frame of flow process and/or block diagram or multiple square frames.

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

, but those skilled in the art once know base although preferred embodiments of the present invention have been described This creative concept, then can make other change and modification to these embodiments.So, appended right will Ask and be intended to be construed to include preferred embodiment and fall into the had altered of the scope of the invention and change.

Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.

Claims

1. a kind of self adaptation waveform transfer method, it is characterised in that include：

2. the method for claim 1, it is characterised in that the transmitting scene information be according to One or more determination in lower information：

3. the method for claim 1, it is characterised in that the terminals frames structure configuration information is extremely Include less：The sampling number of subcarrier number, symbolic number and each symbol.

4. the method for claim 1, it is characterised in that carry sending to the terminal Before stating the type of waveform instruction parameter of terminals frames structure configuration information, methods described also includes：

5. method as claimed in claim 4, it is characterised in that send to the terminal carry it is described The type of waveform of terminals frames structure configuration information indicates parameter, including：

6. the method for claim 1, it is characterised in that the type of waveform indicates that parameter is logical One or more crossed in the following manner is sent to the terminal：

By the type of waveform indicate parameter carry radio resource control RRC reconfigure send in signaling to The terminal；Or

The type of waveform is indicated into that parameter is carried in media control Access Layer header MAC header Send to the terminal in MAC layer control unit signaling；Or

7. the method for claim 1, it is characterised in that determine the current institute of terminal in the base station Before place's transmitting scene information, methods described also includes：

8. a kind of self adaptation waveform transfer method, it is characterised in that include：

9. method as claimed in claim 8, it is characterised in that the transmitting scene information be according to One or more determination in lower information：

10. method as claimed in claim 8, it is characterised in that the terminals frames structure configuration information is extremely Include less：The sampling number of subcarrier number, symbolic number and each symbol.

11. methods as claimed in claim 8, it is characterised in that receive what base station sent in the terminal Before type of waveform indicates parameter, methods described also includes：

Send to the base station and carry the waveform transfer corresponding with transmitting scene information itself is presently in The radio resource control RRC that mode is identified matches somebody with somebody signaling again, again to match somebody with somebody letter according to the RRC by the base station The waveform transfer mode carried in order is identified, configure with the waveform transfer mode identify it is corresponding, The terminals frames structure configuration information of waveform transfer mode is represented, and the terminal is carried to terminal transmission The type of waveform of frame structure configuration information indicates parameter.

12. methods as described in arbitrary in claim 8-11, it is characterised in that methods described also includes：

13. a kind of base stations, it is characterised in that include：

14. base stations as claimed in claim 13, it is characterised in that the transmitting scene information is basis One or more determination in following information：

15. base stations as claimed in claim 13, it is characterised in that the terminals frames structure configuration information At least include：The sampling number of subcarrier number, symbolic number and each symbol.

16. base stations as claimed in claim 13, it is characterised in that the base station also includes：

17. base stations as claimed in claim 16, it is characterised in that

The transmitting element, specifically for send to all terminals gathered belonging to the terminal carry it is described The type of waveform of terminals frames structure configuration information indicates parameter.

18. base stations as claimed in claim 13, it is characterised in that the type of waveform indicates that parameter is One or more in the following manner is sent to the terminal：

19. base stations as claimed in claim 13, it is characterised in that the base station also includes：

20. a kind of terminals, it is characterised in that include：

21. terminals as claimed in claim 20, it is characterised in that the transmitting scene information is basis One or more determination in following information：

22. terminals as claimed in claim 20, it is characterised in that the terminals frames structure configuration information At least include：The sampling number of subcarrier number, symbolic number and each symbol.

23. terminals as claimed in claim 20, it is characterised in that the terminal also includes：

Transmitting element, for the receiving unit receive the type of waveform that the base station sends indicate parameter it Before, send to the base station and carry the waveform transfer side corresponding with transmitting scene information itself is presently in The radio resource control RRC of formula mark matches somebody with somebody signaling again, again to match somebody with somebody signaling according to the RRC by the base station The waveform transfer mode of middle carrying is identified, and is configured and is identified corresponding, table with the waveform transfer mode The terminals frames structure configuration information of oscillography shape transmission means, and the terminals frames are carried to terminal transmission The type of waveform of structure configuration information indicates parameter.

24. terminals as described in arbitrary in claim 20-23, it is characterised in that the terminal also includes：

25. a kind of self adaptation waveform transfer systems, it is characterised in that include：