CN106161318A

CN106161318A - A kind of signal processing method, transmitter, receiver and system

Info

Publication number: CN106161318A
Application number: CN201510166649.5A
Authority: CN
Inventors: 刘建军; 柯颋; 王锐; 侯雪颖; 沈晓冬
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2015-04-09
Filing date: 2015-04-09
Publication date: 2016-11-23
Anticipated expiration: 2035-04-09
Also published as: WO2016161985A1; CN106161318B

Abstract

The invention discloses a kind of signal processing method, transmitter, receiver and system, wherein, described method comprises determining that the structure of first kind subframe；Wherein, described first kind subframe is characterized on subcarrier the length part subframe less than a subframe of transmission；The structure of described first kind subframe includes less than or equal to the N number of OFDM symbol number comprised in the partial symbols of OFDM (OFDM) symbol lengths and described first kind subframe；N is the positive integer more than or equal to zero；According to the structure of described first kind subframe, determine synchronizing signal and/or control signal；By first kind subframe, described synchronizing signal and/or control signal are sent to receiver so that described receiver processes according to described synchronizing signal and/or control signal.

Description

A kind of signal processing method, transmitter, receiver and system

Technical field

The present invention relates to the air interface transmission technology of the unlicensed band of wireless communication field, particularly relate to a kind of letter Number processing method, transmitter, receiver and system.

Background technology

Multiple transmission technology can be used in unlicensed band to provide wireless communication transmissions.In order to ensure that LTE exists The performance of unlicensed band, it is desirable to use the mode of carrier aggregation to use LTE transmission technology in unlicensed band, Order authorizes the carrier wave in frequency range to be main carrier, and making the carrier wave in unlicensed band is subcarrier, it is achieved authorize The unlicensed band access way (Licensed Assisted Access, LAA) of frequency range auxiliary.

This LAA transmission means is different with the carrier aggregation transmission means defined in LTE protocol, example As, it is the most idle that European Frequency Spectrum regulatory agency requires that equipment first detects channel before accessing channel, if the free time, Can be transmitted, if the most idle, then need to wait for until channel idle just can be transmitted.Subcarrier detects letter The moment of road free time can be the random time point in a wireless sub-frame of LTE definition.Due to carrier aggregation Technology requires that main carrier aligns with the subframe of subcarrier, radio frames start time of auxiliary carrier wave need and Main carrier is identical, so may result in auxiliary carrier wave detect the time that can transmit start until next immediately " part wireless sub-frame " time span of wireless sub-frame this period of time of start time is not fixed.But, Current described part wireless sub-frame likely there will be resource be preempted, or the situation of the wasting of resources.

Summary of the invention

In view of this, it is an object of the invention to provide a kind of signal processing method, transmitter, receiver and System, can at least solve the above-mentioned problems in the prior art.

For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:

Embodiments providing a kind of signal processing method, described method includes:

Determine the structure of first kind subframe；Wherein, described first kind subframe is characterized on subcarrier transmission Length less than the part subframe of a subframe；The structure of described first kind subframe includes less than or equal to one The N number of OFDM comprised in the partial symbols of individual OFDM symbol length and described first kind subframe Symbolic number；N is the positive integer more than or equal to zero；

According to the structure of described first kind subframe, determine synchronizing signal and/or control signal；

By first kind subframe, described synchronizing signal and/or control signal are sent to receiver so that described in connect Receipts machine processes according to described synchronizing signal and/or control signal.

Receive synchronizing signal and/or control signal that transmitter is sent by first kind subframe；Wherein, described First kind subframe is characterized on subcarrier the length part subframe less than a subframe of transmission；Described The structure of one class subframe includes the partial symbols less than or equal to an OFDM symbol length, Yi Jisuo State the N number of OFDM symbol number comprised in first kind subframe；N is the positive integer more than or equal to zero；

Process according to described synchronizing signal and/or control signal.

The embodiment of the present invention additionally provides a kind of transmitter, and described transmitter includes:

Unit is set, for determining the structure of first kind subframe；Wherein, described first kind subframe is characterized in auxiliary The length of transmission on carrier wave is helped to be less than the part subframe of a subframe；The structure of described first kind subframe includes Comprise less than or equal in the partial symbols of an OFDM symbol length and described first kind subframe N number of OFDM symbol number；N is the positive integer more than or equal to zero；Knot according to described first kind subframe Structure, determines synchronizing signal and/or control signal；

Communication unit, for sending described synchronizing signal and/or control signal to receiving by first kind subframe Machine so that described receiver processes according to described synchronizing signal and/or control signal.

The embodiment of the present invention additionally provides a kind of receiver, and described receiver includes:

Receive unit, for receiving synchronizing signal and/or the control letter that transmitter is sent by first kind subframe Number；Wherein, described first kind subframe is characterized on subcarrier the length portion less than a subframe of transmission Molecule frame；The structure of described first kind subframe includes the portion less than or equal to an OFDM symbol length Divide the N number of OFDM symbol number comprised in symbol and described first kind subframe；N is more than or equal to zero Positive integer；

Processing unit, for processing according to described synchronizing signal and/or control signal.

The embodiment of the present invention additionally provides a kind of signal processing system, and described system includes:

Transmitter, for determining the structure of first kind subframe；Wherein, described first kind subframe is characterized in auxiliary On carrier wave, the length of transmission is less than the part subframe of a subframe；The structure of described first kind subframe includes little In or equal to the partial symbols of an OFDM symbol length and described first kind subframe in the N that comprises Individual OFDM symbol number；N is the positive integer more than or equal to zero；According to the structure of described first kind subframe, really Determine synchronizing signal and/or control signal；By first kind subframe, described synchronizing signal and/or control signal are sent out Deliver to receiver；

Receiver, for receiving synchronizing signal and/or the control letter that transmitter is sent by first kind subframe Number, process according to described synchronizing signal and/or control signal.

Signal processing method provided by the present invention, transmitter, receiver and system, it is possible to according to the first kind The structure of subframe, adds synchronizing signal and/or control signal in first kind subframe so that receiver is according to same Step signal and/or control signal process, thus the channel of the first kind subframe being both avoided that in subcarrier Resource is preempted, and is avoided that again the waste of resource in first kind subframe.

Accompanying drawing explanation

Fig. 1 is embodiment of the present invention signal processing method schematic flow sheet one；

Fig. 2 is that embodiment of the present invention first kind subframe forms schematic diagram one；

Fig. 3 is that embodiment of the present invention first kind subframe forms schematic diagram two；

Fig. 4 is embodiment of the present invention signal processing method schematic flow sheet two；

Fig. 5 is that embodiment of the present invention transmitter forms structural representation；

Fig. 6 is that embodiment of the present invention receiver forms structural representation；

Fig. 7 is that embodiment of the present invention system forms structural representation.

Detailed description of the invention

Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.

Embodiment one,

Embodiments provide a kind of signal processing method, as it is shown in figure 1, described method includes:

Step 101: determine the structure of first kind subframe；Wherein, described first kind subframe is characterized in auxiliary load On ripple, the length of transmission is less than the part subframe of a subframe；The structure of described first kind subframe includes being less than Or equal to the N comprised in the partial symbols of an OFDM symbol length and described first kind subframe Individual OFDM (OFDM, Orthogonal Frequency Division Multiplexing) symbolic number； N is the positive integer more than or equal to zero；

Step 102: according to the structure of described first kind subframe, determine synchronizing signal and/or control signal；

Step 103: described synchronizing signal and/or control signal are sent to receiver by first kind subframe, Described receiver is processed according to described synchronizing signal and/or control signal.

Here, determine synchronizing signal and/or control signal described in the present embodiment, including: by synchronizing signal and / or control signal add to described first kind subframe the first time-domain position at；

Wherein, described synchronizing signal and/or control signal include at least one information following: synchronizing signal, Operator identification information, described synchronizing signal and/or the symbol lengths of control signal or timing information, described In one class subframe, physical down controls information and starts character position or timing information, the current transmission chance of transmission Transmission duration information.

Can be to determine that information starts transmission at first time-domain position of first kind subframe described in the present embodiment Time, the position that the moment 200 as shown in Figure 2 starts, ends to the moment 201.From 200 to the moment of moment Can obtain according to duration calculation when can take several OFDM symbol between 201, such as, such as Fig. 2 Shown in, wherein there are 3 OFDM symbol at the first time-domain position 21.

Described synchronizing signal and/or control signal are added to the first time-domain position of described first kind subframe, Including:

By described synchronizing signal and/or control signal and its M taken at described first time-domain position The length information of OFDM symbol, adds to the first time-domain position of described first kind subframe；M is for being more than Positive integer equal to zero and less than or equal to N.Such as, can believe in the control of synchronizing signal and/or control signal The length information taking OFDM symbol is added, thus, it is possible to make receiver according to the letter received in number Number determine whether to receive complete synchronizing signal and/or control signal；And so that receiver receives same After step signal and/or control signal, according to the length of described first kind subframe and synchronizing signal and/or control The length of signal, it is determined whether transmission has physical down to control information and/or data letter in first kind subframe Breath, and can determine that described physical down controls information and/or the primary sign position of data message.

Wherein, described first time-domain position can be as in figure 2 it is shown, i.e. just open after original transmission moment 200 Beginning to transmit the information being equal to M OFDM symbol length, its end time is not an OFDM symbol Number the termination time；Or, described first time-domain position can be as it is shown on figure 3, i.e. original transmission moment 300 Present position is not the boundary position of an OFDM symbol, then just after the original transmission moment 300 First OFDM symbol starts to transmit M OFDM symbol 31, until finish time 301.

Visible, by using such scheme, it is possible to according to the structure of first kind subframe, in first kind subframe Add synchronizing signal and/or control signal so that receiver according to synchronizing signal and/or control signal at Reason, thus the channel resource of the first kind subframe being both avoided that in subcarrier is preempted, and is avoided that again first The waste of resource in class subframe.

Embodiment two,

Wherein, described synchronizing signal and/or control signal include at least one information following: synchronizing signal, Operator identification information, described synchronizing signal and/or the symbol lengths of control signal or timing information, described When in one class subframe, physical down controls the transmission of the character position of information or timing information, current transmission chance Long message.

Determine according to preset rules and include M OFDM symbol at described first time-domain position；M is big In the positive integer equal to zero and less than or equal to N；Described synchronizing signal and/or control signal are added to the most described the In M OFDM symbol at first time-domain position of one class subframe.

Wherein, described preset rules is at described sender side and in the equal preset in advance of each receiver side Rule, determines the realization including M OFDM symbol at described first time-domain position according to preset rules Mode can be: be preset in after the original transmission moment in M OFDM symbol synchronous signal transmission and/or Control signal.

Wherein, after the described original transmission moment, M OFDM symbol can be as in figure 2 it is shown, the most initial Begin to transmit the information being equal to M OFDM symbol length after transmission time 200, when it terminates Quarter is not the termination time of an OFDM symbol；

Or, after the described original transmission moment, M OFDM symbol can be as it is shown on figure 3, the most initial Transmission time 300 present position is not the boundary position of an OFDM symbol, then just when original transmission First OFDM symbol after carving 300 starts to transmit M OFDM symbol 31, until finish time 301。

Thus, it is possible to make receiver determine whether to receive complete synchronizing signal according to the signal received And/or control signal；And so that after receiver receives synchronizing signal and/or control signal, according to institute State the length of first kind subframe and synchronizing signal and/or the length of control signal, it is determined whether at first kind In frame, transmission has physical down to control information and/or data message, and can determine that described physical down controls The primary sign position of information and/or data message.

Embodiment three,

Described synchronizing signal and/or control signal are added to the first time-domain position of described first kind subframe, Including following two mode:

Mode one, determine according to preset rules and include M OFDM symbol at described first time-domain position； M is the positive integer more than or equal to zero and less than or equal to N；Described synchronizing signal and/or control signal are added In M OFDM symbol to the first time-domain position of described first kind subframe.

Mode two, by described synchronizing signal and/or control signal and its take at described first time-domain position The length information of M OFDM symbol, add to the first time-domain position of described first kind subframe； M is the positive integer more than or equal to zero and less than or equal to N.Such as, can be at synchronizing signal and/or control letter Number control signal in add and take the length information of OFDM symbol, thus, it is possible to make receiver according to The signal received determines whether to receive complete synchronizing signal and/or control signal；And so that receive After machine receives synchronizing signal and/or control signal, according to length and the synchronization letter of described first kind subframe Number and/or the length of control signal, it is determined whether in the first kind subframe transmission have physical down control information and / or data message, and can determine that described physical down controls information and/or the primary sign position of data message Put.

Preferably, this programme can also add in the first kind subframe partial symbols so that synchronizing signal and/ Or control signal or physical down are when controlling the beginning that original transmission position is an OFDM symbol of information Carve, specifically include: according to the structure of described first kind subframe, the second time-domain position in first kind subframe sets Put partial symbols；Wherein, the length of described partial symbols is less than or equal to an OFDM symbol.Such as, may be used With as in figure 2 it is shown, at the second time-domain position 22 add the symbol less than an OFDM symbol length. Or, can as it is shown on figure 3, in the time domain, be positioned at before the first time-domain position 31 as the second time domain position Put 32.Wherein, the effect of described partial symbols can be busy channel, it is to avoid be preempted channel.

The transmitter of network side can be by explicit signaling notice UE less than or equal to 1 OFDM symbol Partial symbols signal time length L, such as: assume smallest length unit ≈ 4us, OFDM symbol ≈ 71us, Therefore the quantizing range of partial symbols signal time length is [0～18] individual smallest length unit, available 5 bit Represent.

Accordingly, receiver can be less than or equal to 1 OFDM symbol partial symbols letter by detection is above-mentioned Synchronizing signal and/or length M of control signal in number length L, and part wireless sub-frame, determine described In one class subframe, physical down controls information and the start position information of data message.Or, receiver blind check Survey less than or equal to 1 OFDM symbol partial symbols signal time length L.

Preferably, described method also includes: according to the structure of described first kind subframe, at described first kind At least one information following is added: physical down controls information, data message at 3rd time-domain position of frame； Wherein, described 3rd time-domain position be positioned in time domain the first time-domain position described in described first kind subframe and/ Or second after time-domain position.Such as, shown in Fig. 2, the 3rd time-domain position 23 be positioned at the first time-domain position with And second after time-domain position；Shown in Fig. 3, after the 3rd time-domain position 33 is positioned at the first time-domain position.

Illustrate below in conjunction with Fig. 2, it is assumed that the 3rd time-domain position includes the thing of J OFDM symbol Reason Downlink Control Information, and/or, the data message of K OFDM symbol length；So detect according to actual Hear channel idle and start moment 200 (t0) or the duration T1 of described first kind subframe of transmission, determining The value of M, J, K:

Listen to channel idle when actual and start the moment 200 (t0) of transmission apart from next sub-frame boundary When time (i.e. first kind subframe duration T1) is less than or equal to 1 OFDM symbol, M, J, K=0, Now the frame structure of part wireless sub-frame only comprises the part less than or equal to 1 OFDM symbol length OFDM symbol partial symbols.

When the actual moment t0 time apart from next sub-frame boundary listening to channel idle and starting transmission When (i.e. first kind subframe duration T1) is more than 1 OFDM symbol, the frame structure of first kind subframe is at least Comprise synchronizing signal and/or the control signal of M (M is the integer more than 0) complete OFDM symbol, Part OFDM symbol partial symbols less than or equal to 1 OFDM symbol length.Now, if bag Containing the value controlling territory, data service territory and depending on M, N；

If the synchronizing signal of M OFDM symbol and/or control signal+less than or equal to 1 OFDM symbol Number partial symbols duration have arrived at next son frame boundaries, then J, K=0；

If the synchronizing signal of M OFDM symbol and/or control signal+less than or equal to 1 OFDM symbol Number the duration of partial symbols do not arrive next son frame boundaries, then allow to send to control territory (i.e. J > 0)；

If the synchronizing signal of M OFDM symbol and/or control signal+less than or equal to 1 OFDM symbol The control territory of number partial symbols+J OFDM does not arrives next son frame boundaries, then allow to send data service territory (K>0)。

Embodiment four,

Embodiments providing a kind of signal processing method, as shown in Figure 4, described method includes:

Step 401: receive synchronizing signal and/or control signal that transmitter is sent by first kind subframe； Wherein, described first kind subframe is characterized on subcarrier the length parton less than a subframe of transmission Frame；The structure of described first kind subframe includes according with less than or equal to the part of an OFDM symbol length Number and described first kind subframe in N number of OFDM symbol number of comprising；N more than or equal to zero is just Integer；

Step 402: process according to described synchronizing signal and/or control signal.

Described process according to described synchronizing signal and/or control signal, including: in described first kind subframe The first time-domain position at get synchronizing signal and/or control signal.

Described at the first time-domain position of described first kind subframe, get synchronizing signal and/or control signal, Including:

At the first time-domain position of described first kind subframe, get synchronizing signal and/or control signal takies OFDM symbol number be M；M is the positive integer more than or equal to zero and less than or equal to N；

The OFDM symbol number taken according to the described synchronizing signal got and/or control signal, in institute State synchronizing signal and/or detect described synchronizing signal and/or control letter in OFDM symbol that control signal takies Number.

Such as, can add in the control signal of synchronizing signal and/or control signal and take OFDM symbol Length information, thus, it is possible to make receiver determine whether to receive complete according to the signal received Synchronizing signal and/or control signal；And so that after receiver receives synchronizing signal and/or control signal, Length according to described first kind subframe and synchronizing signal and/or the length of control signal, it is determined whether In one class subframe, transmission has physical down to control information and/or data message, and can determine under described physics Row control information and/or the primary sign position of data message.

Embodiment five,

Here, process according to described synchronizing signal and/or control signal, including: at described first kind Synchronizing signal and/or control signal is got at first time-domain position of frame；

Described at the first time-domain position of described first kind subframe, get synchronizing signal and/or control signal, Including: determine according to preset rules and include M OFDM at the first time-domain position of described first kind subframe Symbol；M is the positive integer more than or equal to zero and less than or equal to N；The first time domain from described first kind subframe M OFDM symbol of position gets described synchronizing signal and/or control signal.

Embodiment six,

Here, process according to described synchronizing signal and/or control signal described in the present embodiment, including: Synchronizing signal and/or control signal is got at the first time-domain position of described first kind subframe；

Described at the first time-domain position of described first kind subframe, get synchronizing signal and/or control signal, Including following two mode:

Mode one, determine according to preset rules and at the first time-domain position of described first kind subframe, include M OFDM symbol；M is the positive integer more than or equal to zero and less than or equal to N；From the of described first kind subframe M OFDM symbol of one time domain position gets described synchronizing signal and/or control signal.

Wherein, described preset rules is at described sender side and in the equal preset in advance of each receiver side Rule, determines the realization including M OFDM symbol at described first time-domain position according to preset rules Mode can be: is preset in M OFDM symbol synchronous signal transmission and/or control after the original transmission moment Signal processed.

Mode two, get at the first time-domain position of the described first kind subframe synchronizing signal and/or control letter Number OFDM symbol number taken is M；M is the positive integer more than or equal to zero and less than or equal to N； The OFDM symbol number taken according to the described synchronizing signal got and/or control signal, described same Described synchronizing signal and/or control signal is detected in the OFDM symbol that step signal and/or control signal take. Such as, can add in the control signal of synchronizing signal and/or control signal and take the length of OFDM symbol Degree information, thus, it is possible to make receiver determine whether to receive complete synchronization according to the signal received Signal and/or control signal；And so that after receiver receives synchronizing signal and/or control signal, root According to the length of described first kind subframe and synchronizing signal and/or the length of control signal, it is determined whether first In class subframe, transmission has physical down to control information and/or data message, and can determine described physical down The primary sign position of control information and/or data message.

Preferably, this programme can also add in the first kind subframe partial symbols so that synchronizing signal and/ Or control signal, or physical down control information the beginning that transmission location is an OFDM symbol time Carving, the detection method of receiver side specifically includes: the second time-domain position in first kind subframe detects part Symbol；Wherein, the length of described partial symbols is less than or equal to an OFDM symbol；Wherein, described part The length of symbol is less than or equal to an OFDM symbol.Such as, can be as in figure 2 it is shown, the second time-domain position The symbol less than an OFDM symbol length added at 22.Or, can as it is shown on figure 3, time In territory, it is positioned at the first time-domain position 31 before as the second time-domain position 32.The transmitter of network side is permissible By explicit signaling notice UE less than or equal to 1 OFDM symbol partial symbols signal time length L, example As: assume smallest length unit ≈ 4us, OFDM symbol ≈ 71us, therefore partial symbols signal time length Quantizing range be [0～18] individual smallest length unit, available 5 bit represent.

Accordingly, receiver can be less than or equal to 1 OFDM symbol partial symbols letter by detection is above-mentioned Synchronizing signal and/or length M of control signal in number length L, and part wireless sub-frame, determine control letter Breath and the start position information of data message.Or, receiver receiver blind Detecting is less than or equal to 1 OFDM symbol partial symbols signal time length L.

Preferably, described method also includes: get at the 3rd time-domain position of described first kind subframe with At least one information lower: physical down controls information, data message；Wherein, described 3rd time-domain position exists After being positioned at the first time-domain position described in described first kind subframe and/or the second time-domain position in time domain.Ratio As, shown in Fig. 2, after the 3rd time-domain position 23 is positioned at the first time-domain position and the second time-domain position；Figure Shown in 3, after the 3rd time-domain position 33 is positioned at the first time-domain position.

Illustrate below in conjunction with Fig. 2, it is assumed that the 3rd time-domain position includes the thing of J OFDM symbol Reason Downlink Control Information, and/or, the data message of K OFDM symbol length；So detect according to actual Hear channel idle and start transmission moment 200 (t0) or the duration T1 of first kind subframe, determine M, The value of J, K:

Embodiment seven,

Embodiments provide a kind of transmitter, as it is shown in figure 5, described transmitter includes:

Unit 51 is set, for determining the structure of first kind subframe；Wherein, described first kind subframe characterizes On subcarrier, the length of transmission is less than the part subframe of a subframe；The structure of described first kind subframe Including less than or equal in the partial symbols of an OFDM symbol length and described first kind subframe The N number of OFDM symbol number comprised；N is the positive integer more than or equal to zero；According to described first kind subframe Structure, determine synchronizing signal and/or control signal；

Communication unit 52, for sending described synchronizing signal and/or control signal to connecing by first kind subframe Receipts machine so that described receiver processes according to described synchronizing signal and/or control signal.

Here, unit 51 is set, for synchronizing signal and/or control signal being added extremely described in the present embodiment At first time-domain position of described first kind subframe；

Described unit 51 is set, is used for including following two mode:

Preferably, this programme can also add in the first kind subframe partial symbols so that synchronizing signal and/ Or in control signal or described first kind subframe, physical down controls the transmission location of information is an OFDM The start time of symbol, specifically include: according to the structure of described first kind subframe, in the of first kind subframe Two time-domain position setting unit symbols；Wherein, the length of described partial symbols is less than or equal to an OFDM symbol Number.Such as, can as in figure 2 it is shown, at the second time-domain position 22 add less than an OFDM symbol The symbol of length.Or, can as it is shown on figure 3, in the time domain, be positioned at the previous crops of the first time-domain position 31 It it is the second time-domain position 32.The transmitter of network side can be by explicit signaling notice UE less than or equal to 1 Individual OFDM symbol partial symbols signal time length L, such as: assume smallest length unit ≈ 4us, OFDM Symbol ≈ 71us, therefore the quantizing range of partial symbols signal time length is [0～18] individual smallest length unit, 5 bit are used to represent.

Preferably, unit 51 is set, for the structure according to described first kind subframe, at described first kind At least one information following is added: physical down controls information, data message at 3rd time-domain position of frame； Wherein, described 3rd time-domain position be positioned in time domain the first time-domain position described in described first kind subframe and/ Or second after time-domain position.Such as, shown in Fig. 2, the 3rd time-domain position 23 be positioned at the first time-domain position with And second after time-domain position；Shown in Fig. 3, the 3rd time-domain position 33 be positioned at the first time-domain position 31 and After second time-domain position.

Embodiment eight,

Embodiments providing a kind of receiver, as shown in Figure 6, described receiver includes:

Receive unit 61, for receiving synchronizing signal and/or the control that transmitter is sent by first kind subframe Signal；Wherein, described first kind subframe is characterized on subcarrier the length of transmission less than a subframe Part subframe；The structure of described first kind subframe includes less than or equal to an OFDM symbol length The N number of OFDM symbol number comprised in partial symbols and described first kind subframe；N is for being more than or equal to The positive integer of zero；

Processing unit 62, for processing according to described synchronizing signal and/or control signal.

Here, processing unit 62 described in the present embodiment, in the first time domain position of described first kind subframe The place of putting gets synchronizing signal and/or control signal；

Described processing unit 62, including following two mode:

Preferably, this programme can also add in the first kind subframe partial symbols so that synchronizing signal and/ Or the transmission location of physical down control information is an OFDM in control signal, or described first kind subframe The start time of symbol, processing unit 62, part detected for the second time-domain position in first kind subframe Symbol；Wherein, the length of described partial symbols is less than or equal to an OFDM symbol；Wherein, described part The length of symbol is less than or equal to an OFDM symbol.Such as, can be as in figure 2 it is shown, the second time-domain position The symbol less than an OFDM symbol length added at 22.Or, can as it is shown on figure 3, time In territory, it is positioned at the first time-domain position 31 before as the second time-domain position 32.The transmitter of network side is permissible By explicit signaling notice UE less than or equal to 1 OFDM symbol partial symbols signal time length L, example As: assume smallest length unit ≈ 4us, OFDM symbol ≈ 71us, therefore partial symbols signal time length Quantizing range be [0～18] individual smallest length unit, available 5 bit represent.

Accordingly, receiver can be less than or equal to 1 OFDM symbol partial symbols letter by detection is above-mentioned Synchronizing signal and/or length M of control signal in number length L, and part wireless sub-frame, determine under physics Row control information and the start position information of data message.Or, receiver receiver blind Detecting less than or etc. In 1 OFDM symbol partial symbols signal time length L.

Preferably, processing unit 62, for get at the 3rd time-domain position of described first kind subframe with At least one information lower: physical down controls information, data message；Wherein, described 3rd time-domain position exists It is positioned at described in described first kind subframe after the first time-domain position in time domain.Such as, shown in Fig. 2, the 3rd After time-domain position 23 is positioned at the first time-domain position and/or the second time-domain position；Shown in Fig. 3, the 3rd time domain After position 33 is positioned at the first time-domain position 31 and the second time-domain position.

Embodiment nine,

Embodiments provide a kind of signal processing system, as it is shown in fig. 7, described system includes:

Transmitter 71, for determining the structure of first kind subframe；Wherein, described first kind subframe is characterized in On subcarrier, the length of transmission is less than the part subframe of a subframe；The structure bag of described first kind subframe Include and wrap less than or equal in the partial symbols of an OFDM symbol length and described first kind subframe The N number of OFDM symbol number contained；N is the positive integer more than or equal to zero；According to described first kind subframe Structure, determines synchronizing signal and/or control signal；By first kind subframe by described synchronizing signal and/or control Signal processed sends to receiver；

Receiver 72, for receiving synchronizing signal and/or the control letter that transmitter is sent by first kind subframe Number, process according to described synchronizing signal and/or control signal.

The function of the transmitter described in the present embodiment and receiver and embodiment seven and embodiment eight phase With, therefore not to repeat here.

If module integrated described in the embodiment of the present invention realizes and as independent using the form of software function module Production marketing or use time, it is also possible to be stored in a computer read/write memory medium.Based on so Understanding, the part that prior art is contributed by the technical scheme of the embodiment of the present invention the most in other words can Embodying with the form with software product, this computer software product is stored in a storage medium, bag Include some instructions with so that a computer equipment (can be personal computer, server or network Equipment etc.) perform all or part of of method described in each embodiment of the present invention.And aforesaid storage medium bag Include: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory are deposited Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can store program generation The medium of code.So, the embodiment of the present invention is not restricted to the combination of any specific hardware and software.

The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention Enclose.

Claims

1. a signal processing method, it is characterised in that described method includes:

Determine the structure of first kind subframe；Wherein, described first kind subframe is characterized on subcarrier transmission Length less than the part subframe of a subframe；The structure of described first kind subframe includes less than or equal to one The partial symbols of individual orthogonal frequency division multiplex OFDM symbol lengths and described first kind subframe comprise N number of OFDM symbol number；N is the positive integer more than or equal to zero；

Method the most according to claim 1, it is characterised in that described determine synchronizing signal and/or control Signal processed, including:

Synchronizing signal and/or control signal are added to the first time-domain position of described first kind subframe；

Wherein, described synchronizing signal and/or control signal include at least one information following:

Synchronizing signal, operator identification information, described synchronizing signal and/or the symbol lengths of control signal or fixed Time information, described first kind subframe in physical down control information start transmission character position or timing information, The transmission duration information of current transmission chance.

Method the most according to claim 2, it is characterised in that described by synchronizing signal and/or control Signal processed adds to the first time-domain position of described first kind subframe, including:

By described synchronizing signal and/or control signal and its M taken at described first time-domain position The length information of OFDM symbol, adds to the first time-domain position of described first kind subframe；M is for being more than Positive integer equal to zero and less than or equal to N.

Method the most according to claim 2, it is characterised in that described by synchronizing signal and/or control Signal adds to the first time-domain position of described first kind subframe, including:

Determine according to preset rules and include M OFDM symbol at described first time-domain position；M is big In the positive integer equal to zero and less than or equal to N；

Described synchronizing signal and/or control signal are added to the first time-domain position of described first kind subframe M OFDM symbol in.

5. according to the method described in any one of claim 1-4, it is characterised in that described first kind subframe Structure includes the partial symbols less than or equal to an OFDM symbol length, including:

According to the structure of described first kind subframe, at the second time-domain position setting unit symbol of first kind subframe； Wherein, the length of described partial symbols is less than or equal to an OFDM symbol；Second time-domain position is first Before time-domain position or after the first time-domain position.

Method the most according to claim 5, it is characterised in that described method also includes:

According to the structure of described first kind subframe, at the 3rd time-domain position of described first kind subframe add with At least one information lower: physical down controls information, data message；Wherein, described 3rd time-domain position exists After being positioned at the first time-domain position described in described first kind subframe and/or the second time-domain position in time domain.

7. a signal processing method, it is characterised in that described method includes:

Process according to described synchronizing signal and/or control signal.

Method the most according to claim 7, it is characterised in that described according to described synchronizing signal and/ Or control signal processes, including:

Synchronizing signal and/or control signal is got at the first time-domain position of described first kind subframe；

Synchronizing signal, operator identification information, described synchronizing signal and/or the symbol lengths of control signal or fixed Time information, described first kind subframe in physical down control information character position or timing information, work as forward pass The transmission duration information of defeated chance.

Method the most according to claim 8, it is characterised in that described in described first kind subframe Synchronizing signal and/or control signal is got at first time-domain position, including:

Determine according to preset rules and include M OFDM at the first time-domain position of described first kind subframe Symbol；M is the positive integer more than or equal to zero and less than or equal to N；

M OFDM symbol at the first time-domain position of described first kind subframe get described same Step signal and/or control signal.

11. according to the method described in any one of claim 7-10, it is characterised in that described method also includes:

The second time-domain position in first kind subframe detects partial symbols；Wherein, the length of described partial symbols Degree is less than or equal to an OFDM symbol；Second time-domain position is before the first time-domain position or first After time-domain position.

12. methods according to claim 11, it is characterised in that described method also includes:

At least one information following is got: physical down at the 3rd time-domain position of described first kind subframe Control information, data message；Wherein, described 3rd time-domain position is positioned at described first kind subframe in time domain Described in after the first time-domain position and/or the second time-domain position.

13. 1 kinds of transmitters, it is characterised in that described transmitter includes:

14. transmitters according to claim 13, it is characterised in that described unit is set, specifically For synchronizing signal and/or control signal are added to the first time-domain position of described first kind subframe；

15. transmitters according to claim 14, it is characterised in that the described unit that arranges, tool Body is for by described synchronizing signal and/or control signal and its M taken at described first time-domain position The length information of individual OFDM symbol, adds to the first time-domain position of described first kind subframe；M is big In the positive integer equal to zero and less than or equal to N.

16. transmitters according to claim 14, it is characterised in that described unit is set, specifically M OFDM symbol is included at described first time-domain position for determining according to preset rules；M is big In the positive integer equal to zero and less than or equal to N；Described synchronizing signal and/or control signal are added to the most described the In M OFDM symbol at first time-domain position of one class subframe.

17. according to the transmitter described in any one of claim 13-16, it is characterised in that described arrange list Unit, for the structure according to described first kind subframe, in the second time-domain position setting unit of first kind subframe Symbol；Wherein, the length of described partial symbols is less than or equal to an OFDM symbol；Second time-domain position exists Before first time-domain position or after the first time-domain position.

18. transmitters according to claim 17, it is characterised in that described arrange unit, are additionally operable to According to the structure of described first kind subframe, at the 3rd time-domain position of described first kind subframe add with down to Few a kind of information: physical down controls information, data message；Wherein, described 3rd time-domain position is in time domain On be positioned at the first time-domain position described in described first kind subframe and/or described second time-domain position after.

19. 1 kinds of receivers, it is characterised in that described receiver includes:

20. receivers according to claim 19, it is characterised in that described processing unit, specifically use Synchronizing signal and/or control signal is got at the first time-domain position in described first kind subframe；

21. receivers according to claim 20, it is characterised in that described processing unit, specifically For getting synchronizing signal at the first time-domain position of described first kind subframe and/or control signal takies OFDM symbol number be M；M is the positive integer more than or equal to zero and less than or equal to N；According to obtaining The OFDM symbol number that the described synchronizing signal got and/or control signal take, in described synchronizing signal And/or detect described synchronizing signal and/or control signal in the OFDM symbol that takies of control signal.

22. receivers according to claim 20, it is characterised in that described processing unit, specifically M OFDM is included at the first time-domain position determining described first kind subframe according to preset rules Symbol；M is the positive integer more than or equal to zero and less than or equal to N；The first time domain from described first kind subframe M OFDM symbol of position gets described synchronizing signal and/or control signal.

23. according to the receiver described in any one of claim 19-22, it is characterised in that described process Unit, detects partial symbols specifically for the second time-domain position in first kind subframe；Wherein, described portion Divide the length of symbol less than or equal to an OFDM symbol；Second time-domain position the first time-domain position it Before or after the first time-domain position.

24. receivers according to claim 23, it is characterised in that described processing unit, specifically For getting at least one information following at the 3rd time-domain position of described first kind subframe: physical down Control information, data message；Wherein, described 3rd time-domain position is positioned at described first kind subframe in time domain Described in after the first time-domain position and/or the second time-domain position.

25. 1 kinds of signal processing systems, it is characterised in that described system includes: