CN107612859A

CN107612859A - Launch equipment, data modulation method and device, signaling method and device

Info

Publication number: CN107612859A
Application number: CN201610548433.XA
Authority: CN
Inventors: 辛雨; 黄琛
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2016-07-12
Filing date: 2016-07-12
Publication date: 2018-01-19
Anticipated expiration: 2036-07-12
Also published as: CN107612859B

Abstract

The invention provides one kind transmitting equipment, data modulation method and device, signaling method and device.The modulator approach includes：The modulation system for setting data to modulate to the physical resource in Physical Resource Block in such a way：The top step number that the data of the first physical resource on Physical Resource Block and at least one of the second physical resource are modulated is arranged to MCS1；The top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1；Data modulation is carried out according to modulation system.The present invention solves in correlation technique the relatively low technical problem of data demodulation performance caused by the exponent number that can not be modulated to data be configured, and then improves the technique effect of the demodulation performance of receiving terminal.

Description

Launch equipment, data modulation method and device, signaling method and device

Technical field

The present invention relates to the communications field, in particular to one kind transmitting equipment, data modulation method and device, signal Sending method and device.

Background technology

Long Term Evolution LTE (Long Term Evolution) is 4G (Fourth Generation) radio honeycomb The communication technology.LTE uses OFDM (Orthogonal Frequency Division Multiplexing) technology, subcarrier and The radio physical running time-frequency resource for the running time-frequency resource composition LTE system that OFDM symbol is formed.OFDM technology is in wireless communications at present Using wider.However, CP-OFDM (Cyclic Prefix OFDM) systematic functions the frequency deviation adjacent sub-bands and When it is partially more sensitive, this is bigger mainly due to the spectrum leakage of the system, easily causes asynchronous intersubband to disturb.At present LTE system has used protection interval on frequency domain, but so reduces spectrum efficiency, it is therefore desirable to is pressed down using some new technologies System band external leakage.

Present each major company in the radio communication 5G that begins one's study (Fifth Generation) technology, wherein, it is outer to suppress band Leakage is an important directions of 5G technical research.The new multi-carrier scheme FBMC (Filter that some nearest documents are mentioned Bank Multicarrier)、GFDM(Generalized Frequency Division Multiplexing)、F-OFDM The technologies such as (Filtered OFDM) and FB-OFDM (Filter Bank OFDM), compared with CP-OFDM, these technologies are outer to band Leakage part has more preferable inhibitory action, it is possible to reduce the protection subcarrier number of asynchronous intersubband, and then spectrum efficiency is improved, but The cost paid is to cause receiving terminal demodulation performance to decline.If the order of modulation of transmitting data is reduced, although block can be reduced The bit error rate, but efficiency of transmission reduces；If improving the order of modulation of transmitting data, bLock error rate can be improved.Therefore need Rationally design the modulator approach for sending data.In addition, these new multi-transceiver technologies are in the bigger wireless channel of multidiameter delay Under also result in hydraulic performance decline, it is therefore desirable to try every possible means solve the problems, such as multidiameter delay.

The relatively low skill of data demodulation performance caused by being configured for the exponent number that can not be modulated in correlation technique to data Art problem, effective solution is not yet proposed at present.

The content of the invention

The embodiments of the invention provide one kind to launch equipment, data modulation method and device, signaling method and device, At least to solve the relatively low technology of data demodulation performance caused by the exponent number that can not be modulated in correlation technique to data is configured Problem.

One side according to embodiments of the present invention, there is provided a kind of data modulation method, this method include：According to following Mode sets the modulation system that data are modulated to the physical resource in Physical Resource Block：By the first thing on Physical Resource Block The top step number for managing the data modulation of at least one of resource and the second physical resource is arranged to MCS1, wherein, physical resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；By other physical resources on Physical Resource Block The top step number of data modulation is set above MCS1；Data modulation is carried out according to modulation system, wherein, the first physical resource is All physical resources on Physical Resource Block on the subcarrier of frequency domain marginal position, the second physical resource are physical resource All physical resources on block on the symbol of time domain edge position, frequency domain marginal position include the frequency domain of Physical Resource Block At least one of original position and frequency domain end position, the time domain original position of time domain edge position including Physical Resource Block and At least one of time domain end position.

Further, MCS1 is the corresponding value of QPSK modulation.

Further, the subcarrier near frequency domain marginal position is first son load near frequency domain marginal position Ripple；Symbol near time domain edge position is first symbol near time domain edge position, or, for first symbol and Second symbol near time domain edge position.

Further, length of the Physical Resource Block in time domain is the length of a subframe, and the width on frequency domain is one The width of individual subband.

Further, the top step number that the data of other physical resources on Physical Resource Block are modulated is arranged to high Include in MCS1：It is first area and second area by the region division where other physical resources of Physical Resource Block, wherein, Physical resource on first area includes according near second symbol of time domain edge position and the 3rd on Physical Resource Block All physical resources on number, or, including all on the 3rd symbol of time domain edge position on Physical Resource Block Physical resource, physical resource in second area in other physical resources of Physical Resource Block except the thing included by first area Manage the physical resource beyond resource；On physical resource in first area, the top step number for setting data to modulate is MCS2, is The top step number for the data modulation that physical resource in second area is set is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3。

Further, all physics money on first symbol near time domain edge position on Physical Resource Block Pilot signal transmitted on source.

Further, all physics money on first symbol near time domain edge position on Physical Resource Block On source, and the pilot signal transmitted on all physical resources on first subcarrier of frequency domain marginal position.

Further, it is adjacent next in the pilot signal sequence on first symbol on Physical Resource Block and time domain The pilot signal sequence on first symbol on Physical Resource Block is identical；Leading in the last symbol on Physical Resource Block Frequency signal sequence is identical with the pilot signal sequence in the last symbol on next Physical Resource Block adjacent in time domain.

Other side according to embodiments of the present invention, there is provided a kind of signaling method, this method include：In physics The pilot signal transmitted on all physical resources on the symbol of time domain edge position on resource block, or, provided in physics Being carried on all physical resources on the symbol of time domain edge position and near the son of frequency domain marginal position in source block Pilot signal transmitted on all physical resources on ripple, wherein, Physical Resource Block is included on multiple symbols and frequency domain in time domain Multiple subcarriers, in the time domain original position and time domain end position of time domain edge position including Physical Resource Block at least it One, frequency domain marginal position includes at least one of frequency domain original position and frequency domain end position of Physical Resource Block.

Further, the symbol near time domain edge position is first symbol near time domain edge position；Most Subcarrier close to frequency domain marginal position is first subcarrier near frequency domain marginal position.

Other side according to embodiments of the present invention, there is provided a kind of data modulating device, the device include：First sets Unit is put, for the modulation system for setting data to modulate to the physical resource in Physical Resource Block in such a way：It will be located at The top step number of the data modulation of the first physical resource and at least one of the second physical resource on Physical Resource Block is set For MCS1, wherein, Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；Physical resource will be located at The top step number of the data modulation of other physical resources on block is set above MCS1；First modulating unit, for according to tune Mode processed carries out data modulation, wherein, the first physical resource is near the subcarrier of frequency domain marginal position on Physical Resource Block On all physical resources, the second physical resource is property on the symbol of time domain edge position on Physical Resource Block Resource is managed, frequency domain marginal position includes at least one of frequency domain original position and frequency domain end position of Physical Resource Block, when Domain marginal position includes at least one of time domain original position and time domain end position of Physical Resource Block.

Further, MCS1 is the corresponding value of QPSK modulation.

Further, the first setting unit includes：First division module, for by other physical resources of Physical Resource Block The region division at place is first area and second area, wherein, the physical resource on first area is included on Physical Resource Block All physical resources on second symbol of time domain edge position and the 3rd symbol, or, including Physical Resource Block On all physical resources on the 3rd symbol of time domain edge position, the physical resource in second area is physics money Physical resource in other physical resources of source block in addition to the physical resource included by first area；First setup module, use In on the physical resource in first area, the top step number for setting data to modulate is MCS2, is the physics money in second area The top step number for the data modulation that source is set is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3.

Other side according to embodiments of the present invention, there is provided one kind transmitting equipment, the equipment include:Second sets list Member, for the modulation system for setting data to modulate to the physical resource in Physical Resource Block in such a way：Physics will be located at The top step number of the data modulation of the first physical resource and at least one of the second physical resource on resource block is arranged to MCS1, wherein, Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；Physical Resource Block will be located at On other physical resources data modulation top step number be set above MCS1；Second modulating unit, for according to modulation Mode carries out data modulation, wherein, the first physical resource be Physical Resource Block on the subcarrier of frequency domain marginal position All physical resources, the second physical resource is all physics on the symbol of time domain edge position on Physical Resource Block Resource, frequency domain marginal position include at least one of frequency domain original position and frequency domain end position of Physical Resource Block, time domain Marginal position includes at least one of time domain original position and time domain end position of Physical Resource Block.

Further, the second setting unit includes：Second division module, for by other physical resources of Physical Resource Block The region division at place is first area and second area, wherein, the physical resource on first area is included on Physical Resource Block All physical resources on second symbol of time domain edge position and the 3rd symbol, or, including Physical Resource Block On all physical resources on the 3rd symbol of time domain edge position, the physical resource in second area is physics money Physical resource in other physical resources of source block in addition to the physical resource included by first area；Second setup module, use In on the physical resource in first area, the top step number for setting data to modulate is MCS2, is the physics money in second area The top step number for the data modulation that source is set is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3.

Other side according to embodiments of the present invention, there is provided a kind of sender unit, the device include：First hair Unit is sent, for sending pilot tone on all physical resources on the symbol of time domain edge position on Physical Resource Block Signal, or, on Physical Resource Block on all physical resources on the symbol of time domain edge position and near frequency Pilot signal transmitted on all physical resources on the subcarrier of domain marginal position, wherein, Physical Resource Block is included in time domain Multiple subcarriers on multiple symbols and frequency domain, time domain edge position include the time domain original position and time domain knot of Physical Resource Block At least one of beam position, frequency domain marginal position are included in the frequency domain original position and frequency domain end position of Physical Resource Block At least one.

According to another embodiment of the invention, transmitting equipment is additionally provided, the equipment includes：Second transmitting element, use In the pilot signal transmitted on all physical resources on the symbol of time domain edge position on Physical Resource Block, or, On Physical Resource Block on all physical resources on the symbol of time domain edge position and near frequency domain margin location Pilot signal transmitted on all physical resources on the subcarrier put, wherein, Physical Resource Block includes multiple symbols in time domain With multiple subcarriers on frequency domain, time domain edge position is included in the time domain original position and time domain end position of Physical Resource Block At least one of, in the frequency domain original position and frequency domain end position of frequency domain marginal position including Physical Resource Block at least it One.

According to another embodiment of the invention, there is provided a kind of storage medium, storage medium can be configured to store For performing the program code of following steps：Set what data were modulated to the physical resource in Physical Resource Block in such a way Modulation system：The data of the first physical resource on Physical Resource Block and at least one of the second physical resource are modulated Top step number be arranged to MCS1, wherein, Physical Resource Block include time domain on multiple symbols and frequency domain on multiple subcarriers； The top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1；According to modulation methods Formula carry out data modulation, wherein, the first physical resource be Physical Resource Block on the subcarrier of frequency domain marginal position All physical resources, the second physical resource are all physics money on the symbol of time domain edge position on Physical Resource Block Source, frequency domain marginal position include at least one of frequency domain original position and frequency domain end position of Physical Resource Block, time domain side Edge position includes at least one of time domain original position and time domain end position of Physical Resource Block.

Further, storage medium may be also configured to the program code that storage is used to perform following steps：In physics The pilot signal transmitted on all physical resources on the symbol of time domain edge position on resource block, or, provided in physics Being carried on all physical resources on the symbol of time domain edge position and near the son of frequency domain marginal position in source block Pilot signal transmitted on all physical resources on ripple, wherein, Physical Resource Block is included on multiple symbols and frequency domain in time domain Multiple subcarriers, in the time domain original position and time domain end position of time domain edge position including Physical Resource Block at least it One, frequency domain marginal position includes at least one of frequency domain original position and frequency domain end position of Physical Resource Block.

In embodiments of the present invention, the tune for setting data to modulate to the physical resource in Physical Resource Block in such a way Mode processed：By the modulation of the data of the first physical resource on Physical Resource Block and at least one of the second physical resource Top step number is arranged to MCS1, wherein, Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；Will The top step number of the data modulation of other physical resources on Physical Resource Block is set above MCS1；According to modulation system Data modulation is carried out, wherein, the first physical resource is the institute on Physical Resource Block on the subcarrier of frequency domain marginal position There is physical resource, the second physical resource is all physics money on the symbol of time domain edge position on Physical Resource Block Source, frequency domain marginal position include at least one of frequency domain original position and frequency domain end position of Physical Resource Block, time domain side Edge position includes at least one of time domain original position and time domain end position of Physical Resource Block.So as to solve related skill The relatively low technical problem of data demodulation performance caused by the exponent number that can not be modulated in art to data is configured, realize raising The technique effect of the demodulation performance of receiving terminal.

Brief description of the drawings

Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the schematic diagram of terminal according to embodiments of the present invention；

Fig. 2 is the flow chart of data modulation method according to embodiments of the present invention；

Fig. 3 is the signal in the division modulation top step number region of optional Physical Resource Block according to embodiments of the present invention Figure；

Fig. 4 is the signal in the division modulation top step number region of optional Physical Resource Block according to embodiments of the present invention Figure；

Fig. 5 is the signal in the division modulation top step number region of optional Physical Resource Block according to embodiments of the present invention Figure；

Fig. 6 is the signal in the division modulation top step number region of optional Physical Resource Block according to embodiments of the present invention Figure；

Fig. 7 is the flow chart of signaling method according to embodiments of the present invention；

Fig. 8 is the schematic diagram of the position of optional pilot signal transmitted according to embodiments of the present invention；

Fig. 9 is the schematic diagram of the position of optional pilot signal transmitted according to embodiments of the present invention；

Figure 10 is the schematic diagram of data modulating device according to embodiments of the present invention；

Figure 11 is the schematic diagram of sender unit according to embodiments of the present invention.

Embodiment

Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.

It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.

Embodiment 1

The embodiment of the method that the embodiment of the present application one is provided can (such as computer be whole in the control terminal in transmitting equipment End or similar arithmetic unit) in perform.Exemplified by running on computer terminals, as shown in figure 1, terminal can be with Including one or more (one is only shown in figure) processors 101, (processor 101 can include but is not limited to Micro-processor MCV Or PLD FPGA etc. processing unit), the memory 103 for data storage and for communication function Transmitting device 105.It will appreciated by the skilled person that the structure shown in Fig. 1 is only to illustrate, it is not to above-mentioned electronics The structure of device causes to limit.

Memory 103 can be used for the software program and module of storage application software, such as the equipment in the embodiment of the present invention Control method corresponding to programmed instruction/module, processor 101 by operation be stored in software program in memory 103 with And module, so as to perform various function application and data processing, that is, realize above-mentioned method.Memory may include random at a high speed Memory, nonvolatile memory is may also include, such as one or more magnetic storage device, flash memory or other are non-volatile Property solid-state memory.In some instances, memory can further comprise relative to the remotely located memory of processor, these Remote memory can pass through network connection to terminal.The example of above-mentioned network includes but is not limited to internet, enterprise In-house network, LAN, mobile radio communication and combinations thereof.

Transmitting device is used to data are received or sent via a network.Above-mentioned network instantiation may include to calculate The wireless network that the communication providerses of machine terminal provide.In an example, transmitting device includes a network adapter (Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to interconnection Net is communicated.In an example, transmitting device can be radio frequency (Radio Frequency, RF) module, and it is used to pass through Wireless mode is communicated with internet.

According to embodiments of the present invention, there is provided a kind of embodiment of the method for data modulation method is, it is necessary to illustrate, attached The step of flow of figure illustrates can perform in the computer system of such as one group computer executable instructions, though also, So logical order is shown in flow charts, but in some cases, can be with different from shown by order execution herein Or the step of description.

In the various new multicarrier systems mentioned in background technology, due to simultaneous asynchronous data transmissions to be supported, therefore, In certain type physical resource block unit of default, be in edge the general Signal to Interference plus Noise Ratio of physical resource compare it is relatively low, and The interjacent general Signal to Interference plus Noise Ratio of physical resource is relatively high.If whole physical resource block unit is using identical exponent number Modulation system, then the utilization ratio of physical resource can reduce.As background technology is mentioned, if order of modulation is low, it is Capacity of uniting reduces, if order of modulation is high, receiving terminal demodulation performance declines.

LTE system is a kind of multicarrier system, and it employs OFDM technology.LTE physical resource is by the son on frequency domain Symbol composition on carrier wave and time domain.Each symbol includes multiple subcarriers, and multiple symbols form a subframe.In LTE, it is Certain type physical resource block unit set of uniting can be 1 subframe lengths in time domain, be 1 subband width on frequency domain.In LTE Include 14 symbols in 1 subframe, subband width is generally 3 or other integral multiples RB (Resource Block).And It is the modulation system modulated data signal that identical exponent number is used in physical resource block unit.

In order to solve the problems, such as to be formerly mentioned, the application proposes the transmitting node in multicarrier system to Physical Resource Block The method that interior signal uses different modulating exponent number using subregion.This uses phase with LTE system in physical resource block unit Modulation system modulated data signal with exponent number is different.Embodiments herein is described in detail with reference to Fig. 2.

Fig. 2 is the flow chart of data modulation method according to embodiments of the present invention, and this method is applied to transmitting node, is such as schemed Shown in 2, this method comprises the following steps：

Step S201, the modulation system for setting data to modulate to the physical resource in Physical Resource Block in such a way： The most high-order that the data of the first physical resource on Physical Resource Block and at least one of the second physical resource are modulated Number is arranged to MCS1；The top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1。

Wherein, Physical Resource Block includes multiple subcarriers on the multiple symbols and frequency domain in time domain, the first physical resource For all physical resources on Physical Resource Block on the subcarrier of frequency domain marginal position, the second physical resource provides for physics All physical resources in source block on the symbol of time domain edge position, frequency domain marginal position include the frequency of Physical Resource Block At least one of domain original position and frequency domain end position, time domain edge position include the time domain original position of Physical Resource Block At least one of with time domain end position.

Step S202, data modulation is carried out according to modulation system.

By above-described embodiment, the modulation for setting data to modulate to the physical resource in Physical Resource Block in such a way Mode：By the modulation of the data of the first physical resource on Physical Resource Block and at least one of the second physical resource most High exponent number is arranged to MCS1, wherein, Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；By position MCS1 is set above in the top step number that the data of other physical resources on Physical Resource Block are modulated；Enter according to modulation system Row data are modulated, wherein, the first physical resource is all on the subcarrier of frequency domain marginal position on Physical Resource Block Physical resource, the second physical resource are all physical resources on the symbol of time domain edge position on Physical Resource Block, Frequency domain marginal position includes at least one of frequency domain original position and frequency domain end position of Physical Resource Block, time domain edge position At least one of time domain original position and time domain end position including Physical Resource Block are put, to the signal in Physical Resource Block The method that different modulating exponent number is used using subregion, the exponent number that data are modulated can not be carried out so as to solve in correlation technique The relatively low technical problem of data demodulation performance caused by setting, realize the technique effect for the demodulation performance for improving receiving terminal.

Alternatively, the executive agent of above-mentioned steps can be that base station, terminal etc. launch equipment or transmitting node, but unlimited In this.

The transmitting terminal of multicarrier system includes：Base station, terminal, relaying (relay), launch point (transmitting These transmitting equipment are referred to as transmitting node by point) etc. various transmitting equipment, the application.

In the above-described embodiments, MCS1 is the corresponding value of QPSK modulation；Subcarrier near frequency domain marginal position is Near first subcarrier of frequency domain marginal position；Symbol near time domain edge position is near time domain edge position First symbol, or, be first symbol and second symbol near time domain edge position；Physical Resource Block is in time domain On length for subframe length, width on frequency domain for a subband width.

Alternatively, the top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1 includes：It is first area and second area by the region division where other physical resources of Physical Resource Block, wherein, Physical resource on one region is included on Physical Resource Block near second symbol of time domain edge position and the 3rd symbol On all physical resources, or, including the property on Physical Resource Block on the 3rd symbol of time domain edge position Manage resource, the physical resource in second area in other physical resources of Physical Resource Block except the physics included by first area Physical resource beyond resource；On physical resource in first area, the top step number for setting data to modulate be MCS2, is the The top step number for the data modulation that physical resource in two regions is set is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3. The real mode of the application is described in detail with reference to Fig. 3 to Fig. 6.

Embodiment 1

Fig. 3 show the modulation top step number region division schematic diagram of Physical Resource Block, and abscissa is the symbol in time domain (Symbol) serial, ordinate is subcarrier (Subcarrier) series on frequency domain.Physical Resource Block shown in Fig. 3 is time domain Upper 14 symbols, it is 12 subcarriers on frequency domain.

In figure 3, region 1 is：Institute of the Physical Resource Block on the 1st symbol at both sides edge is in time domain There is physical resource, and all physics of the Physical Resource Block on the 1st subcarrier at both sides edge are on frequency domain Resource.That is, all physical resources in Fig. 3 on the 1st symbol and the 14th symbol, and the 1st subcarrier and the 12nd in Fig. 3 All physical resources of individual subcarrier.That is the physical resource of horizontal line line dash area is region 1 in Fig. 3.The internal modulation of region 1 is most High exponent number is MCS1.

In figure 3, region 2 be Physical Resource Block in non-area 1 physical resource, namely in Fig. 3 white space physics Resource.The top step number of the internal modulation of region 2 is higher than MCS1.

Embodiment 2

Fig. 4 show the modulation top step number region division schematic diagram of Physical Resource Block.Abscissa is the symbol in time domain Series, ordinate are the subcarrier series on frequency domain.Physical Resource Block shown in Fig. 4 is 14 symbols in time domain, is on frequency domain 12 subcarriers.

In Fig. 4, region 1 is：In Physical Resource Block near the 1st of both sides edge and the 2nd symbol in time domain All physical resources on number, and Physical Resource Block is on the 1st subcarrier at both sides edge on frequency domain All physical resources.That is all physics money in Fig. 4 on the 1st symbol, the 2nd symbol, the 13rd symbol and the 14th symbol All physical resources of 1st subcarrier and the 12nd subcarrier in source, and Fig. 4.The physics of horizontal line line dash area in Fig. 4 Resource is region 1.The top step number of the internal modulation of region 1 is MCS1.

In Fig. 4, region 2 is the physical resource of non-area 1 in Physical Resource Block.Namely in Fig. 4 white space physics Resource.The top step number of the internal modulation of region 2 is higher than MCS1.

Embodiment 3

Fig. 5 show the modulation top step number region division schematic diagram of Physical Resource Block.Abscissa is the symbol in time domain Series, ordinate are the subcarrier series on frequency domain.Physical Resource Block shown in Fig. 5 is 14 symbols in time domain, is on frequency domain 12 subcarriers.

In Figure 5, region 2 is the region 2 shown in Fig. 3 in embodiment 1, and the region 2 can be further divided into region a (i.e. first area) and region b (i.e. second area).Region a in time domain in Physical Resource Block near both sides edge the 2 and the 3rd symbols, i.e. vertical line negative line part in Fig. 5.Region b is the physical resource of non-area a in region 2, i.e. Fig. 5 is hollow The physical resource of white region.

The top step number MCS2 of region a internal modulations is higher than MCS1, but less than the top step number MCS3 of region b internal modulations.

Embodiment 4

Fig. 6 show the modulation top step number region division schematic diagram of Physical Resource Block.Abscissa is the symbol in time domain Series, ordinate are the subcarrier series on frequency domain.Physical Resource Block shown in Fig. 6 is 14 symbols in time domain, is on frequency domain 12 subcarriers.

In figure 6, region 2 is the region 2 shown in Fig. 4 in embodiment 2, and the region 2 can be further divided into region a (i.e. first area) and region b (i.e. second area).Region a in time domain in Physical Resource Block near both sides edge the 3 symbols, i.e. vertical line negative line part in Fig. 6.Region b is the physical resource of non-area a in region 2, i.e. white space in Fig. 6 Physical resource.

In the above-described embodiments, the top step number of the internal modulation of region 1 is MCS1, and the top step number of the internal modulation of region 2 is higher than MCS1.Region 1 comprises at least：Property of the Physical Resource Block on the 1st symbol at both sides edge is in time domain All physical resources on resource or the 1st and the 2nd symbol are managed, and Physical Resource Block is near both sides side on frequency domain All physical resources on 1st subcarrier of edge.Region 2 is the physical resource of non-area 1 in Physical Resource Block.

Adopt in manner just described, in various new multicarrier systems, in certain type physical resource block list of default In position, the general Signal to Interference plus Noise Ratio of physical resource for being in edge compares relatively low, and interjacent physical resource typically believes dry make an uproar Than relatively high.Therefore, the modulation system of different rank is used in the region of different Signal to Interference plus Noise Ratio, is advantageous to rationally fully profit With physical resource, systematic function is improved, and then improve power system capacity.

Order of modulation corresponding to MCS1 values is than relatively low, generally QPSK modulation.

In general, pilot signal order of modulation is QPSK, and pilot signal can by the method for Combined estimator come Improve channel estimating performance.In LTE, pilot signal type includes：CRS, DMRS and CSI-RS etc..Later new overloading wave system In system, other kinds of pilot signal can be also designed.Therefore, can design in order of modulation than being transmitted on relatively low physical resource A type of pilot signal.Pilot signal is otherwise referred to as reference signal, otherwise referred to as known signal.The present invention is just unified Referred to as pilot signal.Specific implementation is as follows：

Sent on all physical resources on first symbol near time domain edge position on Physical Resource Block Pilot signal；Or, on all physical resources on first symbol near time domain edge position on Physical Resource Block, And the pilot signal transmitted on all physical resources on first subcarrier of frequency domain marginal position.

It should be noted that under adjacent on pilot signal sequence and time domain on first symbol on Physical Resource Block The pilot signal sequence on first symbol on one Physical Resource Block is identical；In last symbol on Physical Resource Block Pilot signal sequence and time domain on pilot signal sequence in last symbol on adjacent next Physical Resource Block It is identical.

In addition, when being sent on all physical resources on the superincumbent symbol of pilot signal or on subcarrier, it is not excluded that The pilot signal of the type is also sent on other physical resources.

In the above-described embodiments, pilot tone letter is sent in Signal to Interference plus Noise Ratio relatively low be on the physical resource at edge that compare Number, more physical resources can be not only made full use of to improve precision of channel estimation, but also advantageously reduce contiguous physical The interference of resource block.

In addition, adjacent next Physical Resource Block on pilot signal sequence and time domain on the 1st symbol of Physical Resource Block Pilot signal sequence identical benefit on 1st symbol is, equivalent to a CP in units of block is added, to also correspond to The problem of transmitting terminal has used the round roll in units of block to accumulate, and this is advantageous to overcome multidiameter delay, improve receiving terminal demodulation performance.

Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.

Embodiment 2

According to embodiments of the present invention, there is provided a kind of embodiment of the method for signaling method, Fig. 7 are according to of the invention real The flow chart of the signaling method of example is applied, this method is applied to transmitting node, as shown in fig. 7, this method comprises the following steps：

Step S701, being sent out on all physical resources on the symbol of time domain edge position on Physical Resource Block Send pilot signal, or, on Physical Resource Block on all physical resources on the symbol of time domain edge position and most The pilot signal transmitted on all physical resources on the subcarrier of frequency domain marginal position, wherein, when Physical Resource Block includes Multiple subcarriers on multiple symbols and frequency domain on domain, the time domain original position of time domain edge position including Physical Resource Block and At least one of time domain end position, frequency domain marginal position include the frequency domain original position and frequency domain stop bits of Physical Resource Block At least one of put.

By above-described embodiment, the money of all physics on the symbol of time domain edge position on Physical Resource Block Pilot signal transmitted on source, or, all physical resources on the symbol of time domain edge position on Physical Resource Block The upper and pilot signal transmitted on all physical resources on the subcarrier of frequency domain marginal position, wherein, Physical Resource Block Including multiple subcarriers on the multiple symbols and frequency domain in time domain, the time domain that time domain edge position includes Physical Resource Block originates At least one of position and time domain end position, frequency domain marginal position include the frequency domain original position and frequency domain of Physical Resource Block At least one of end position, caused number is configured so as to solve the exponent number that can not be modulated in correlation technique to data According to the relatively low technical problem of demodulation performance, the technique effect for the demodulation performance for improving receiving terminal is realized.

Signal to Interference plus Noise Ratio compare it is relatively low be in pilot signal transmitted on the physical resource at edge, not only can be fully sharp With more physical resources to improve precision of channel estimation, but also advantageously reduce the interference of contiguous physical resource block.

Length of the above-mentioned Physical Resource Block in time domain is the length of a subframe, and the width on frequency domain is a son The width of band；Symbol near time domain edge position is first symbol near time domain edge position；Near frequency domain The subcarrier of marginal position is first subcarrier near frequency domain marginal position.

Alternatively, next thing adjacent in the pilot signal sequence on first symbol on Physical Resource Block and time domain The pilot signal sequence managed on first symbol on resource block is identical；The pilot tone in last symbol on Physical Resource Block Signal sequence is identical with the pilot signal sequence in the last symbol on next Physical Resource Block adjacent in time domain.

By above-described embodiment, compared in Signal to Interference plus Noise Ratio and relatively low be in transmission low order number on the physical resource at edge According to efficiency comparison is low, if being used for pilot signal transmitted, pilot tone letter is sent equivalent to make use of more physical resources Number, this can improve precision of channel estimation.It is known signal for receiving terminal to be additionally, since pilot signal, therefore is made During with SIC technologies, pilot signal can be easily reconstructed, and subtracts the interference of pilot signal, this advantageously reduces contiguous physical The interference of resource block.

Adjacent next Physical Resource Block the 1st on pilot signal sequence and time domain on the 1st symbol of Physical Resource Block Pilot signal sequence identical benefit on symbol is, equivalent to a CP in units of block is added, to also correspond to launch End has used the round roll in units of block to accumulate, and so, receiving terminal can takes the problem of some algorithms are to overcome multidiameter delay, To improve demodulation performance.Similarly, adjacent next thing in the pilot signal sequence on last 1 symbol of Physical Resource Block and time domain The pilot signal sequence identical benefit managed on last 1 symbol of resource block is similar.

Embodiments herein is described in detail with reference to specific embodiment.

Embodiment 1

Fig. 8 show the position view of pilot signal transmitted in Physical Resource Block.Abscissa is the symbol system in time domain Row, ordinate are the subcarrier series on frequency domain.Physical Resource Block shown in Fig. 8 is 14 symbols in time domain, is 12 on frequency domain Individual subcarrier.

All physics money of the pilot signal in time domain in Physical Resource Block on the 1st symbol at both sides edge Sent on source, i.e. pilot signal transmitted on all physical resources on the 1st symbol and the 14th symbol in fig. 8.

In fig. 8, the pilot signal data sent on the 1st symbol is respectively：p10、p11、p12、p13、p14、p15、 p16、p17、p18、p19、p1a、p1b；The pilot signal data sent on 14th symbol is respectively：pe0、pe1、pe2、pe3、 pe4、pe5、pe6、pe7、pe8、pe9、pea、peb。

Fig. 8 show the situation of pilot signal transmitted in a Physical Resource Block.For adjacent next of Physical Resource Block Pilot signal data on the 1st symbol of individual Physical Resource Block is also respectively：p10、p11、p12、p13、p14、p15、p16、 p17、p18、p19、p1a、p1b；Believe for the pilot tone on last 1 symbol of the adjacent next Physical Resource Block of Physical Resource Block Number is also respectively：pe0、pe1、pe2、pe3、pe4、pe5、pe6、pe7、pe8、pe9、pea、peb.

Embodiment 2

Fig. 9 show the position view of pilot signal transmitted in Physical Resource Block.Abscissa is the symbol system in time domain Row, ordinate are the subcarrier series on frequency domain.Physical Resource Block shown in Fig. 9 is 14 symbols in time domain, is 12 on frequency domain Individual subcarrier.

All physics money of the pilot signal in time domain in Physical Resource Block on the 1st symbol at both sides edge Sent out on source and in Physical Resource Block on frequency domain on all physical resources on the 1st subcarrier at both sides edge Send.I.e. in fig.9 on all physical resources on the 1st symbol and the 14th symbol and the 1st subcarrier and the 12nd son Pilot signal transmitted on all physical resources on carrier wave.

In fig.9, the pilot signal data sent on the 1st symbol is respectively：p10、p11、p12、p13、p14、p15、 p16、p17、p18、p19、p1a、p1b；The pilot signal data sent on 14th symbol is respectively：pe0、pe1、pe2、pe3、 pe4、pe5、pe6、pe7、pe8、pe9、pea、peb.The pilot signal data sent on 1st subcarrier is respectively：p10、 p20、p30、p40、p50、p60、p70、p80、p90、pa0、pb0、pc0、pd0、pe0；The pilot tone sent on 12nd subcarrier Signal data is respectively：p1b、p2b、p3b、p4b、p5b、p6b、p7b、p8b、p9b、pab、pbb、pcb、pdb、peb.

The situation of pilot signal transmitted in a Physical Resource Block is alternatively shown in Fig. 9.It is adjacent for Physical Resource Block Pilot signal data on the 1st symbol of next Physical Resource Block is also respectively：p10、p11、p12、p13、p14、p15、 p16、p17、p18、p19、p1a、p1b；For leading on last 1 symbol of the adjacent next Physical Resource Block of Physical Resource Block Frequency signal data is also respectively：pe0、pe1、pe2、pe3、pe4、pe5、pe6、pe7、pe8、pe9、pea、peb.

Embodiment 3

A kind of data modulating device is additionally provided in the embodiment of the present invention.The device be used for realize above-described embodiment and preferably Embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined function The combination of software and/or hardware.Although device described by following examples is preferably realized with software, hardware, or The realization of the combination of person's software and hardware is also what may and be contemplated.

Figure 10 is the schematic diagram of data modulating device according to embodiments of the present invention.The device is applied to transmitting node, such as Shown in Figure 10, the device can include：First setting unit 101 and the first modulating unit 102.

First setting unit 101, for setting data to modulate the physical resource in Physical Resource Block in such a way Modulation system：The data of the first physical resource on Physical Resource Block and at least one of the second physical resource are adjusted The top step number of system is arranged to MCS1, wherein, more height that Physical Resource Block is included on multiple symbols and frequency domain in time domain carry Ripple；The top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1.

First modulating unit 102, for carrying out data modulation according to modulation system, wherein, the first physical resource is physics All physical resources on resource block on the subcarrier of frequency domain marginal position, the second physical resource are on Physical Resource Block All physical resources on the symbol of time domain edge position, the frequency domain that frequency domain marginal position includes Physical Resource Block originate At least one of position and frequency domain end position, time domain edge position include the time domain original position and time domain of Physical Resource Block At least one of end position.

By above-described embodiment, the first setting unit sets number to the physical resource in Physical Resource Block in such a way According to the modulation system of modulation：By the first physical resource on Physical Resource Block and at least one of the second physical resource The top step number of data modulation is arranged to MCS1, wherein, Physical Resource Block includes more on multiple symbols and frequency domain in time domain Individual subcarrier；The top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1； First modulating unit carries out data modulation according to modulation system, wherein, the first physical resource is near frequency on Physical Resource Block All physical resources on the subcarrier of domain marginal position, the second physical resource are near time domain edge position on Physical Resource Block All physical resources on the symbol put, frequency domain marginal position include the frequency domain original position and frequency domain stop bits of Physical Resource Block At least one of put, in time domain original position and time domain end position of the time domain edge position including Physical Resource Block at least One of, by the way of using different modulating exponent number using subregion to the signal in Physical Resource Block, so as to solve correlation technique In the exponent number that data can not be modulated be configured caused by the relatively low technical problem of data demodulation performances, realize raising and receive The technique effect of the demodulation performance at end.

Alternatively, said apparatus can apply to the transmitting such as base station equipment etc., but not limited to this.

Alternatively, the first setting unit includes：First division module, for by other physical resource institutes of Physical Resource Block Region division be first area and second area, wherein, the physical resource on first area is included on Physical Resource Block most All physical resources on second symbol and the 3rd symbol of time domain edge position, or, including on Physical Resource Block All physical resources on the 3rd symbol of time domain edge position, the physical resource in second area is physical resource Physical resource in other physical resources of block in addition to the physical resource included by first area；First setup module, is used for On physical resource in first area, the top step number for setting data to modulate is MCS2, is the physical resource in second area The top step number of the data modulation of setting is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3.

It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any The form of combination is located in different processors respectively.

Embodiment 4

A kind of transmitting equipment is additionally provided in the embodiment of the present invention, the equipment includes：Second setting unit, for according to Under type sets the modulation system that data are modulated to the physical resource in Physical Resource Block：By first on Physical Resource Block The top step number of the data modulation of at least one of physical resource and the second physical resource is arranged to MCS1, wherein, physics money Source block includes multiple subcarriers on multiple symbols and frequency domain in time domain；By other physical resources on Physical Resource Block Data modulation top step number be set above MCS1；Second modulating unit, for carrying out data modulation according to modulation system, Wherein, the first physical resource is all physical resources on the subcarrier of frequency domain marginal position on Physical Resource Block, the Two physical resources are all physical resources on the symbol of time domain edge position, frequency domain marginal position on Physical Resource Block At least one of frequency domain original position and frequency domain end position including Physical Resource Block, time domain edge position provide including physics At least one of the time domain original position of source block and time domain end position.

By the transmitting equipment, the second setting unit sets number to the physical resource in Physical Resource Block in such a way According to the modulation system of modulation：By the first physical resource on Physical Resource Block and at least one of the second physical resource The top step number of data modulation is arranged to MCS1, wherein, Physical Resource Block includes more on multiple symbols and frequency domain in time domain Individual subcarrier；The top step number that the data of other physical resources on Physical Resource Block are modulated is set above MCS1； Second modulating unit carries out data modulation according to modulation system, wherein, the first physical resource is near frequency on Physical Resource Block All physical resources on the subcarrier of domain marginal position, the second physical resource are near time domain edge position on Physical Resource Block All physical resources on the symbol put, frequency domain marginal position include the frequency domain original position and frequency domain stop bits of Physical Resource Block At least one of put, in time domain original position and time domain end position of the time domain edge position including Physical Resource Block at least One of.By the way of using different modulating exponent number using subregion to the signal in Physical Resource Block, so as to solve correlation technique In the exponent number that data can not be modulated be configured caused by the relatively low technical problem of data demodulation performances, realize raising and receive The technique effect of the demodulation performance at end.

Alternatively, MCS1 is the corresponding value of QPSK modulation；Subcarrier near frequency domain marginal position is near frequency First subcarrier of domain marginal position；Symbol near time domain edge position is near first of time domain edge position Symbol, or, be first symbol and second symbol near time domain edge position；Length of the Physical Resource Block in time domain For the length of a subframe, the width on frequency domain is the width of a subband.

Alternatively, the second setting unit includes：Second division module, for by other physical resource institutes of Physical Resource Block Region division be first area and second area, wherein, the physical resource on first area is included on Physical Resource Block most All physical resources on second symbol and the 3rd symbol of time domain edge position, or, including on Physical Resource Block All physical resources on the 3rd symbol of time domain edge position, the physical resource in second area is physical resource Physical resource in other physical resources of block in addition to the physical resource included by first area；Second setup module, is used for On physical resource in first area, the top step number for setting data to modulate is MCS2, is the physical resource in second area The top step number of the data modulation of setting is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3.

Embodiment 5

A kind of sender unit is additionally provided in the embodiment of the present invention.The device be used for realize above-described embodiment and preferably Embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined function The combination of software and/or hardware.Although device described by following examples is preferably realized with software, hardware, or The realization of the combination of person's software and hardware is also what may and be contemplated.

Figure 11 is the schematic diagram of sender unit according to embodiments of the present invention.The device is applied to transmitting node, such as Shown in Figure 11, the device can include：First transmitting element 111.

First transmitting element 111 is used for the property on the symbol of time domain edge position on Physical Resource Block Manage pilot signal transmitted in resource, or, all physics on the symbol of time domain edge position on Physical Resource Block The pilot signal transmitted in resource and on all physical resources on the subcarrier of frequency domain marginal position, wherein, physics money Source block includes multiple subcarriers on multiple symbols and frequency domain in time domain, and time domain edge position includes the time domain of Physical Resource Block At least one of original position and time domain end position, the frequency domain original position of frequency domain marginal position including Physical Resource Block and At least one of frequency domain end position.

By above-described embodiment, first near time domain edge position of first transmitting element on Physical Resource Block Pilot signal transmitted on all physical resources on symbol, or, on Physical Resource Block near the of time domain edge position All physical resources on all physical resources on one symbol and on first subcarrier of frequency domain marginal position Upper pilot signal transmitted, so as to solve data demodulation caused by the exponent number that can not be modulated in correlation technique to data is configured The relatively low technical problem of performance, realize the technique effect for the demodulation performance for improving receiving terminal.

Embodiment 1

Embodiment 2

Embodiment 6

A kind of transmitting equipment is additionally provided in the embodiment of the present invention, the equipment includes：Second transmitting element, in physics The pilot signal transmitted on all physical resources on the symbol of time domain edge position on resource block, or, provided in physics Being carried on all physical resources on the symbol of time domain edge position and near the son of frequency domain marginal position in source block Pilot signal transmitted on all physical resources on ripple, wherein, Physical Resource Block is included on multiple symbols and frequency domain in time domain Multiple subcarriers, in the time domain original position and time domain end position of time domain edge position including Physical Resource Block at least it One, frequency domain marginal position includes at least one of frequency domain original position and frequency domain end position of Physical Resource Block.

By the transmitting equipment, the institute on first symbol near time domain edge position that can be on Physical Resource Block There is a pilot signal transmitted on physical resource, or, on first symbol near time domain edge position on Physical Resource Block All physical resources on and on all physical resources on first subcarrier of frequency domain marginal position send pilot tone Signal, it is relatively low so as to solve data demodulation performance caused by the exponent number that can not be modulated in correlation technique to data is configured Technical problem, realize the technique effect for the demodulation performance for improving receiving terminal.

Alternatively, the symbol near time domain edge position is first symbol near time domain edge position；Most lean on The subcarrier of nearly frequency domain marginal position is first subcarrier near frequency domain marginal position；Physical Resource Block is in time domain Length is the length of a subframe, and the width on frequency domain is the width of a subband.

Embodiment 1

Embodiment 2

Embodiment 7

Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can The program code for performing following steps to be arranged to storage to be used for：

S11, the modulation system for setting data to modulate to the physical resource in Physical Resource Block in such a way：It will be located at The top step number of the data modulation of the first physical resource and at least one of the second physical resource on Physical Resource Block is set For MCS1, wherein, Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；Physical resource will be located at The top step number of the data modulation of other physical resources on block is set above MCS1；

S12, data modulation is carried out according to modulation system, wherein, the first physical resource is near frequency on Physical Resource Block All physical resources on the subcarrier of domain marginal position, the second physical resource are near time domain edge position on Physical Resource Block All physical resources on the symbol put, frequency domain marginal position include the frequency domain original position and frequency domain stop bits of Physical Resource Block At least one of put, in time domain original position and time domain end position of the time domain edge position including Physical Resource Block at least One of.

Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：

S21, being sent on all physical resources on the symbol of time domain edge position on Physical Resource Block are led Frequency signal, or, on Physical Resource Block on all physical resources on the symbol of time domain edge position and near Pilot signal transmitted on all physical resources on the subcarrier of frequency domain marginal position, wherein, Physical Resource Block is included in time domain Multiple symbols and frequency domain on multiple subcarriers, time domain edge position includes the time domain original position and time domain of Physical Resource Block At least one of end position, frequency domain marginal position are included in the frequency domain original position and frequency domain end position of Physical Resource Block At least one of.

Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. is various can be with the medium of store program codes.

Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：According to following Mode sets the modulation system that data are modulated to the physical resource in Physical Resource Block：By the first thing on Physical Resource Block The top step number for managing the data modulation of at least one of resource and the second physical resource is arranged to MCS1, wherein, physical resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；By other physical resources on Physical Resource Block The top step number of data modulation is set above MCS1；Data modulation is carried out according to modulation system, wherein, the first physical resource is All physical resources on Physical Resource Block on the subcarrier of frequency domain marginal position, the second physical resource are physical resource All physical resources on block on the symbol of time domain edge position, frequency domain marginal position include the frequency domain of Physical Resource Block At least one of original position and frequency domain end position, the time domain original position of time domain edge position including Physical Resource Block and At least one of time domain end position.

Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Provided in physics Pilot signal transmitted on all physical resources on first symbol near time domain edge position in source block, or, in thing Manage on all physical resources on first symbol near time domain edge position on resource block and near frequency domain edge Pilot signal transmitted on all physical resources on first subcarrier of position.

Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment Example, the present embodiment will not be repeated here.

Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

1. a kind of data modulation method, it is characterised in that this method includes：

The modulation system for setting data to modulate to the physical resource in Physical Resource Block in such a way：Physical resource will be located at The top step number of the data modulation of the first physical resource and at least one of the second physical resource on block is arranged to MCS1, its In, the Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；The physical resource will be located at The top step number of the data modulation of other physical resources on block is set above MCS1；

Data modulation is carried out according to the modulation system；

Wherein, first physical resource is all on the subcarrier of frequency domain marginal position on the Physical Resource Block Physical resource, second physical resource are the property on the symbol of time domain edge position on the Physical Resource Block Manage resource, in the frequency domain original position and frequency domain end position of the frequency domain marginal position including the Physical Resource Block at least One of, in the time domain original position and time domain end position of the time domain edge position including the Physical Resource Block at least it One.

2. according to the method for claim 1, it is characterised in that MCS1 is the corresponding value of QPSK modulation.

3. according to the method for claim 1, it is characterised in that the subcarrier near frequency domain marginal position is most to lean on First subcarrier of nearly frequency domain marginal position；The symbol near time domain edge position is near time domain edge position First symbol, or, be first symbol and second symbol near time domain edge position.

4. according to the method for claim 1, it is characterised in that length of the Physical Resource Block in time domain is a son The length of frame, the width on frequency domain are the width of a subband.

5. method as claimed in any of claims 1 to 4, it is characterised in that will be located on the Physical Resource Block The top step numbers of data modulation of other physical resources be set above MCS1 and include：

It is first area and second area by the region division where other physical resources of the Physical Resource Block, wherein, institute Stating physical resource on first area is included on the Physical Resource Block near second symbol of time domain edge position and the All physical resources on three symbols, or, including the 3rd symbol on the Physical Resource Block near time domain edge position All physical resources on number, physical resource in the second area is removes in other physical resources of the Physical Resource Block The physical resource beyond physical resource included by the first area；

On physical resource in the first area, the top step number for setting data to modulate is MCS2, is the second area The top step number for the data modulation that interior physical resource is set is MCS3, wherein, MCS2 is higher than MCS1 and is less than MCS3.

6. method as claimed in any of claims 1 to 3, it is characterised in that on the Physical Resource Block most The pilot signal transmitted on all physical resources on first symbol of the time domain edge position.

7. method as claimed in any of claims 1 to 3, it is characterised in that on the Physical Resource Block most On all physical resources on first symbol of the time domain edge position, and near the frequency domain marginal position First subcarrier on all physical resources on pilot signal transmitted.

8. according to the method for claim 7, it is characterised in that

Adjacent next physical resource on pilot signal sequence on first symbol and time domain on the Physical Resource Block The pilot signal sequence on first symbol on block is identical；

Adjacent next physics provides on pilot signal sequence in last symbol and time domain on the Physical Resource Block The pilot signal sequence in last symbol in source block is identical.

9. a kind of signaling method, it is characterised in that this method includes：

The pilot signal transmitted on all physical resources on the symbol of time domain edge position on Physical Resource Block, Or, on the Physical Resource Block on all physical resources on the symbol of the time domain edge position and near Pilot signal transmitted on all physical resources on the subcarrier of frequency domain marginal position,

Wherein, the Physical Resource Block includes multiple subcarriers on the multiple symbols and frequency domain in time domain, the time domain edge Position includes at least one of time domain original position and time domain end position of the Physical Resource Block, the frequency domain margin location Put at least one of frequency domain original position and frequency domain end position including the Physical Resource Block.

10. according to the method for claim 9, it is characterised in that the symbol near time domain edge position is most to lean on First symbol of nearly time domain edge position；The subcarrier near frequency domain marginal position is near frequency domain marginal position First subcarrier.

11. according to the method for claim 9, it is characterised in that length of the Physical Resource Block in time domain is one The length of subframe, the width on frequency domain are the width of a subband.

12. the method according to any one in claim 9 to 11, it is characterised in that

13. a kind of data modulating device, it is characterised in that the device includes：

First setting unit, for the modulation methods for setting data to modulate to the physical resource in Physical Resource Block in such a way Formula：The highest that the data of the first physical resource on Physical Resource Block and at least one of the second physical resource are modulated Exponent number is arranged to MCS1, wherein, the Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；Will The top step number of the data modulation of other physical resources on the Physical Resource Block is set above MCS1；

First modulating unit, for carrying out data modulation according to the modulation system,

14. device according to claim 13, it is characterised in that MCS1 is the corresponding value of QPSK modulation.

15. device according to claim 13, it is characterised in that the subcarrier near frequency domain marginal position is most Close to first subcarrier of frequency domain marginal position；The symbol near time domain edge position is near time domain edge position First symbol put, or, be first symbol and second symbol near time domain edge position.

16. device according to claim 13, it is characterised in that length of the Physical Resource Block in time domain is one The length of subframe, the width on frequency domain are the width of a subband.

17. the device according to any one in claim 13 to 16, it is characterised in that the first setting unit bag Include：

First division module, for the region division where other physical resources by the Physical Resource Block be first area and Second area, wherein, the physical resource on the first area is included on the Physical Resource Block near time domain edge position Second symbol and the 3rd symbol on all physical resources, or, including on the Physical Resource Block near time domain side All physical resources on 3rd symbol of edge position, the physical resource in the second area are the Physical Resource Block Physical resource in other physical resources in addition to the physical resource included by the first area；

First setup module, for the physical resource in the first area, the top step number for setting data to modulate is MCS2, the top step number for being the data modulation that the physical resource in the second area is set is MCS3, wherein, MCS2 is higher than MCS1 and it is less than MCS3.

18. one kind transmitting equipment, it is characterised in that including:

Second setting unit, for the modulation methods for setting data to modulate to the physical resource in Physical Resource Block in such a way Formula：The highest that the data of the first physical resource on Physical Resource Block and at least one of the second physical resource are modulated Exponent number is arranged to MCS1, wherein, the Physical Resource Block includes multiple subcarriers on multiple symbols and frequency domain in time domain；Will The top step number of the data modulation of other physical resources on the Physical Resource Block is set above MCS1；

Second modulating unit, for carrying out data modulation according to the modulation system,

19. equipment according to claim 18, it is characterised in that second setting unit includes：

Second division module, for the region division where other physical resources by the Physical Resource Block be first area and Second area, wherein, the physical resource on the first area is included on the Physical Resource Block near time domain edge position Second symbol and the 3rd symbol on all physical resources, or, including on the Physical Resource Block near time domain side All physical resources on 3rd symbol of edge position, the physical resource in the second area are the Physical Resource Block Physical resource in other physical resources in addition to the physical resource included by the first area；

Second setup module, for the physical resource in the first area, the top step number for setting data to modulate is MCS2, the top step number for being the data modulation that the physical resource in the second area is set is MCS3, wherein, MCS2 is higher than MCS1 and it is less than MCS3.

20. a kind of sender unit, it is characterised in that the device includes：

First transmitting element, for all physical resources on the symbol of time domain edge position on Physical Resource Block Upper pilot signal transmitted, or, the property on the symbol of the time domain edge position on the Physical Resource Block Manage resource on and the pilot signal transmitted on all physical resources on the subcarrier of frequency domain marginal position,

21. device according to claim 20, it is characterised in that the symbol near time domain edge position is most to lean on First symbol of nearly time domain edge position；The subcarrier near frequency domain marginal position is near frequency domain marginal position First subcarrier.

22. device according to claim 20, it is characterised in that length of the Physical Resource Block in time domain is one The length of subframe, the width on frequency domain are the width of a subband.

23. the device according to any one in claim 20 to 22, it is characterised in that

24. one kind transmitting equipment, it is characterised in that including:

Second transmitting element, for all physical resources on the symbol of time domain edge position on Physical Resource Block Upper pilot signal transmitted, or, the property on the symbol of the time domain edge position on the Physical Resource Block Manage resource on and the pilot signal transmitted on all physical resources on the subcarrier of frequency domain marginal position,

25. equipment according to claim 24, it is characterised in that