CN103780367A - Method for improving data transmission rate, transmitting end and receiving end - Google Patents
Method for improving data transmission rate, transmitting end and receiving end Download PDFInfo
- Publication number
- CN103780367A CN103780367A CN201210395110.3A CN201210395110A CN103780367A CN 103780367 A CN103780367 A CN 103780367A CN 201210395110 A CN201210395110 A CN 201210395110A CN 103780367 A CN103780367 A CN 103780367A
- Authority
- CN
- China
- Prior art keywords
- sequence
- orthogonal frequency
- division multiplex
- multiplex singal
- ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides a method for improving the data transmission rate, a transmitting end and a receiving end, and relates to the field of communication. Channel estimation and signal synchronization are carried out, and meanwhile, the transmission power consumption is reduced and the data transmission rate is improved. The method comprises the following steps: redundant data between data frames of an orthogonal frequency division multiplexing signal is replaced with a first sequence and a second sequence, wherein the first sequence is an all-zero sequence; and the replaced orthogonal frequency division multiplexing signal is sent to the receiving end to enable the receiving end to carry out channel estimation and signal synchronization according to the second sequence. The method, the transmitting end and the receiving end of the embodiment of the invention are used for improving the data transmission rate in a small cell.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, transmitting terminal and receiving terminal that promotes data transmission rate.
Background technology
For the feature that small-cell coverage is little, translational speed is low, channel condition is stable in communication cell, in long-term evolving network, receive by adding reference data to carry out auxiliary signal in the Frame of orthogonal frequency-division multiplex singal, but the reference data adding increases transmission power consumption.
Prior art, by deleting the partial reference data of frequency domain, reaches the object that promotes to a certain extent user data transmission speed; Prior art add reference data and corresponding Cyclic Prefix between can also the data in each time slot, can complete channel estimating and signal is synchronous.But prior art can not promote user's transfer rate simultaneously and reduce transmission power consumption.
Summary of the invention
Embodiments of the invention provide a kind of method, transmitting terminal and receiving terminal that promotes data transmission rate, can be in the situation that realizing channel estimating, reduce transmission power consumption, and improve data transmission rate.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, provides a kind of method that promotes data transmission rate, and described method comprises:
Redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence; Wherein, described First ray is full null sequence;
Orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, so that described receiving terminal carries out channel estimating according to described the second sequence and signal is synchronous.
In the possible implementation of the first, in conjunction with first aspect, described the second sequence comprises: Zadoff-Chu sequence.
In the possible implementation of the second, in conjunction with the possible implementation of the first of first aspect or first aspect, describedly redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence comprises:
Receive the signaling that physical layer or physical layer upper layer device send;
Obtain First ray and the second sequence insertion ratio in described signaling;
According to described First ray and the second sequence insertion ratio, the redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence.
Second aspect, provides a kind of method that promotes data transmission rate, and described method comprises:
Receive orthogonal frequency-division multiplex singal from transmitting terminal, the redundant data between the Frame of described orthogonal frequency-division multiplex singal has replaced with First ray and the second sequence; Wherein, described First ray is full null sequence;
Carry out channel estimating with local sequence and signal is synchronizeed according to described the second sequence in described orthogonal frequency-division multiplex singal.
In the possible implementation of the first, in conjunction with second aspect, described the second sequence comprises: Zadoff-Chu sequence.
In the possible implementation of the second, in conjunction with the possible implementation of the first of first aspect or first aspect, carry out channel estimating and signal according to described the second sequence in described orthogonal frequency-division multiplex singal and local sequence and synchronize and comprise:
By described the second sequence in described orthogonal frequency-division multiplex singal and described local Serial relation, obtain the channel estimation results of described orthogonal frequency-division multiplex singal;
Described the second sequence and described local sequence are carried out to the comparison of figure, obtain the synchronized result of described orthogonal frequency-division multiplex singal;
Described local sequence comprises: Zadoff-Chu sequence.
In the third possible implementation, in conjunction with the possible implementation of the second of the possible implementation of the first of second aspect or second aspect or second aspect, described by described the second sequence in described orthogonal frequency-division multiplex singal and described local Serial relation, the channel estimation results that obtains described orthogonal frequency-division multiplex singal comprises:
If the result of described the second sequence and described local Serial relation is 1, determine the not loss in transmitting procedure of described orthogonal frequency-division multiplex singal, represent that the channel estimating of described orthogonal frequency-division multiplex singal is good;
If the result of described the second sequence and described local Serial relation is not 1 o'clock, determine that described orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is described orthogonal frequency-division multiplex singal by described relevant result.
In the 4th kind of possible implementation, the third possible implementation in conjunction with the possible implementation of the first of second aspect or second aspect to second aspect, described described the second sequence and described local sequence are carried out to the comparison of figure, the synchronized result that obtains described orthogonal frequency-division multiplex singal comprises:
Described the second sequence and described local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in described orthogonal frequency-division multiplex singal.
The third aspect, provides a kind of transmitting terminal, comprising:
Data replacement unit, for the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, and is sent to data transmission unit by the orthogonal frequency-division multiplex singal after replacing; Wherein, described First ray is full null sequence;
Data transmission unit, for obtaining the orthogonal frequency-division multiplex singal described replacement from described data replacement unit, orthogonal frequency-division multiplex singal after described replacement is sent to receiving terminal, so that described receiving terminal carries out channel estimating according to described the second sequence and signal is synchronous.
In the possible implementation of the first, in conjunction with the third aspect, described the second sequence comprises: Zadoff-Chu sequence.
In the possible implementation of the second, in conjunction with the possible implementation of the first of the third aspect and the third aspect, described data replacement unit comprises:
Signaling receives subelement, the signaling sending for receiving physical layer or physical layer upper layer device, and send to signaling to resolve subelement described signaling;
Signaling is resolved subelement, receives described signaling for obtaining subelement from described signaling, and obtains First ray and the second sequence insertion ratio in described signaling, then First ray in described signaling and the second sequence insertion ratio is sent to signaling execution subelement;
Signaling is carried out subelement, for resolving from described signaling, subelement obtains described signaling First ray and the second sequence is inserted ratio, and according to described First ray and the second sequence insertion ratio, the redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence.
Fourth aspect, provides a kind of receiving terminal, comprising:
Data receiver unit, for receiving orthogonal frequency-division multiplex singal from transmitting terminal, redundant data between the Frame of described orthogonal frequency-division multiplex singal has replaced with First ray and the second sequence, and the First ray in described orthogonal frequency-division multiplex singal and the second sequence are sent to sequence comparing unit; Wherein, described First ray is full null sequence;
Channel estimating unit, for receive First ray and second sequence of described orthogonal frequency-division multiplex singal from described data receiver unit, and carries out channel estimating with local sequence and signal is synchronizeed according to described the second sequence in described orthogonal frequency-division multiplex singal.
In the possible implementation of the first, in conjunction with fourth aspect, described the second sequence comprises: Zadoff-Chu sequence.
In the possible implementation of the second, in conjunction with the possible implementation of the first of fourth aspect and fourth aspect, described channel estimating unit comprises:
Series processing subelement, for by described second sequence of described orthogonal frequency-division multiplex singal and described local Serial relation, obtains the channel estimation results of described orthogonal frequency-division multiplex singal;
The synchronous subelement of signal, for described the second sequence and described local sequence are carried out to the comparison of figure, obtains the synchronized result of described orthogonal frequency-division multiplex singal;
Described local sequence comprises: Zadoff-Chu sequence.
In the third possible implementation, in conjunction with the possible implementation of the first of fourth aspect and fourth aspect or the possible implementation of the second, series processing subelement is specifically for comprising:
If the result of described the second sequence and described local Serial relation is 1, determine the not loss in transmitting procedure of described orthogonal frequency-division multiplex singal, represent that the channel estimating of described orthogonal frequency-division multiplex singal is good;
If the result of described the second sequence and described local Serial relation is not 1 o'clock, determine that described orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is described orthogonal frequency-division multiplex singal by described relevant result.
In the 4th kind of possible implementation, the third the possible implementation in conjunction with the possible implementation of the first of fourth aspect or fourth aspect to fourth aspect, the synchronous subelement of described signal specifically for:
Described the second sequence and described local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in described orthogonal frequency-division multiplex singal.
The embodiment of the present invention provides a kind of method, transmitting terminal and receiving terminal that promotes data transmission rate, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 provides a kind of schematic diagram of the method that promotes data transmission rate for the embodiment of the present invention;
Fig. 2 provides a kind of schematic diagram of the method that promotes data transmission rate for the embodiment of the present invention;
Fig. 3 provides a kind of schematic diagram of the method that promotes data transmission rate for the embodiment of the present invention;
Fig. 4 provides a kind of schematic diagram of the method that promotes data transmission rate for the embodiment of the present invention;
Fig. 5 provides a kind of structural representation of transmitting terminal for another embodiment of the present invention;
Fig. 6 provides a kind of structural representation of transmitting terminal for another embodiment of the present invention;
Fig. 7 provides a kind of structural representation of receiving terminal for another embodiment of the present invention;
Fig. 8 provides a kind of structural representation of receiving terminal for another embodiment of the present invention;
The structural representation of the another kind of transmitting terminal that Fig. 9 also provides for another embodiment of the present invention;
The structural representation of the another kind of receiving terminal that Figure 10 also provides for another embodiment of the present invention;
A kind of communication system schematic diagram that Figure 11 provides for another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method that promotes data transmission rate, and as shown in Figure 1, based on transmitting terminal, the method comprises:
The redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with First ray and the second sequence by S11, transmitting terminal; Wherein, First ray is full null sequence.
Exemplary, the second sequence can be Zadoff-Chu sequence.
The orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal by S12, transmitting terminal, so that receiving terminal carries out channel estimating according to the second sequence and signal is synchronous.
The embodiment of the present invention provides a kind of method that promotes data transmission rate, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
The embodiment of the present invention provides the another kind of method that promotes data transmission rate, and based on receiving terminal, as shown in Figure 2, the method comprises:
S21, receiving terminal receive orthogonal frequency-division multiplex singal from transmitting terminal, and the redundant data between the Frame of orthogonal frequency-division multiplex singal has replaced with First ray and the second sequence; Wherein, First ray is full null sequence.
Exemplary, the second sequence can be Zadoff-Chu sequence.
S22, receiving terminal carry out channel estimating according to the second sequence in orthogonal frequency-division multiplex singal with local sequence and signal is synchronizeed.
The embodiment of the present invention provides a kind of method that promotes data transmission rate, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
Another embodiment of the present invention provides a kind of method that promotes data transmission rate, and as shown in Figure 3, the method comprises:
The redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with First ray and the second sequence by S31, transmitting terminal; Wherein, First ray is full null sequence;
Concrete, under a kind of implementation, can comprise the following steps:
The first step, transmitting terminal receive the signaling being sent by physical layer or physical layer upper layer device;
Second step, transmitting terminal obtain First ray and the second sequence insertion ratio in signaling;
The 3rd step, transmitting terminal replace with First ray and the second sequence according to First ray and the second sequence insertion ratio by the redundant data between the Frame of orthogonal frequency-division multiplex singal.
Exemplary, as shown in Figure 4, in figure, A is existing OFDM (OFDM) time domain data structure, in between the Frame DATA of A, there is redundant data RS, this redundant data is for promoting auxiliary signal receptivity, but have the shortcoming that reduces data transmission rate, increases transmission power consumption, therefore insert ratio according to First ray and the second sequence First ray and the second sequence are replaced to original redundant data, B is the OFDM time domain data structure after replacing.Because First ray is full null sequence, when transmitting, can not take transmission resources, so effectively reduce transmitting power consumption; Because redundant data in OFDM frequency domain data structure is all zero, therefore inserting after First ray and the second sequence simultaneously, can effectively improve the data transmission rate of ofdm signal and reduce transmitting power consumption.
Wherein, the second sequence can be Zadoff-Chu sequence, and this Zadoff-Chu sequence is nonbinary unit amplitude sequence, meets permanent zero autocorrelation performance, and the expression formula of Zadoff-Chu sequence can be:
Wherein, odd number N
zcfor the length of Zadoff-Chu sequence, q ∈ 1 ..., N
zc-1} is the radical exponent of Zadoff-Chu, n=0,1 ..., N
zc-1,1 ∈ N, 1 can be arbitrary integer.
And Zadoff-Chu sequence has uniform amplitude, there is desirable circulation autocorrelation, also have minimum cross correlation.
Therefore, can replace original redundant data to realize auxiliary signal receives.
The orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal by S32, transmitting terminal.
S33, receiving terminal receive orthogonal frequency-division multiplex singal from transmitting terminal.
S34, receiving terminal, by the second sequence in orthogonal frequency-division multiplex singal and local Serial relation, obtain the channel estimation results of orthogonal frequency-division multiplex singal.
If the result of the second sequence and local Serial relation is 1, determine orthogonal frequency-division multiplex singal not loss in transmitting procedure, represent that the channel estimating of orthogonal frequency-division multiplex singal is good;
If the result of the second sequence and local Serial relation is not 1 o'clock, determine that orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is orthogonal frequency-division multiplex singal by relevant result.
S35, receiving terminal carry out the second sequence and local sequence the comparison of figure, obtain the synchronized result of orthogonal frequency-division multiplex singal.
The second sequence and local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in orthogonal frequency-division multiplex singal.
The embodiment of the present invention provides a kind of method that promotes data transmission rate, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
The embodiment of the present invention provides a kind of transmitting terminal 01, as shown in Figure 5, comprising:
Wherein, the second sequence can be Zadoff-Chu sequence.
Further, as shown in Figure 6, data replacement unit 011 can comprise:
Signaling receives subelement 0111, the signaling sending for receiving physical layer or physical layer upper layer device, and send to signaling to resolve subelement 0112 signaling;
Signaling is resolved subelement 0112, receives signaling for obtain subelement 0111 from signaling, and obtains First ray and the second sequence insertion ratio in signaling, then First ray in signaling and the second sequence insertion ratio is sent to signaling execution subelement 0113;
Signaling is carried out subelement 0113, for resolving from signaling, subelement 0112 obtains signaling First ray and the second sequence is inserted ratio, and according to First ray and the second sequence insertion ratio, the redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence.
The embodiment of the present invention provides a kind of transmitting terminal, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
Further embodiment of this invention provides a kind of receiving terminal 02, and as shown in Figure 7, device comprises:
Wherein, the second sequence can be Zadoff-Chu sequence.
Concrete, as shown in Figure 8, channel estimating unit 022 can comprise:
The synchronous subelement 0222 of signal, for the second sequence and local sequence are carried out to the comparison of figure, obtains the synchronized result of orthogonal frequency-division multiplex singal;
Local sequence comprises: Zadoff-Chu sequence.
Further, series processing subelement 0221 specifically for:
If the result of the second sequence and local Serial relation is 1, determine orthogonal frequency-division multiplex singal not loss in transmitting procedure, represent that the channel estimating of orthogonal frequency-division multiplex singal is good;
If the result of the second sequence and local Serial relation is not 1 o'clock, determine that orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is orthogonal frequency-division multiplex singal by relevant result.
Further, the synchronous subelement 0222 of signal specifically for:
The second sequence and local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in orthogonal frequency-division multiplex singal.
The embodiment of the present invention provides a kind of receiving terminal, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
The embodiment of the present invention also provides a kind of transmitting terminal 03, comprises memory 031, receiver 032, bus 033, and as shown in Figure 9, transmitting terminal 03 also comprises:
Wherein, the second sequence can be Zadoff-Chu sequence.
Further, the signaling that receiver 035 sends for receiving physical layer or physical layer upper layer device;
Obtain First ray and the second sequence insertion ratio in signaling;
According to First ray and the second sequence insertion ratio, the redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence.
The embodiment of the present invention provides a kind of transmitting terminal, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
The embodiment of the present invention also provides a kind of receiving terminal 04, comprises memory 041, transmitter 042, bus 043, and as shown in figure 10, receiving terminal 04 also comprises:
Wherein, the second sequence can be Zadoff-Chu sequence.
Further, processor 045 specifically for:
By the second sequence and local Serial relation, obtain the channel estimation results of orthogonal frequency-division multiplex singal;
The second sequence and local sequence are carried out to the comparison of figure, obtain the synchronized result of orthogonal frequency-division multiplex singal;
Local sequence comprises: Zadoff-Chu sequence.
Further, processor 045 also specifically for:
If the result of the second sequence and local Serial relation is 1, determine orthogonal frequency-division multiplex singal not loss in transmitting procedure, represent that the channel estimating of orthogonal frequency-division multiplex singal is good;
If the result of the second sequence and local Serial relation is not 1 o'clock, determine that orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is orthogonal frequency-division multiplex singal by relevant result.
The second sequence and local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in orthogonal frequency-division multiplex singal.
The embodiment of the present invention provides a kind of receiving terminal, by the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, wherein First ray is full null sequence, orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, like this, by being full null sequence by partial redundance data replacement, reduced transmission power consumption, improve message transmission rate, realized channel estimating and signal is synchronous by the second sequence.Thereby realized channel estimating and signal synchronous in, reduced transmission power consumption, improved message transmission rate.
The embodiment of the present invention also provides a kind of communication system, and as shown in figure 11, this communication system comprises:
The transmitting terminal 01 that previous embodiment provides and receiving terminal 02; Or
The transmitting terminal 03 that previous embodiment provides and receiving terminal 04.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit comprises, also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, be called for short ROM), the various media that can be program code stored such as random access memory (Random Access Memory, be called for short RAM), magnetic disc or CD.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (16)
1. a method that promotes data transmission rate, is characterized in that, described method comprises:
Redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence; Wherein, described First ray is full null sequence;
Orthogonal frequency-division multiplex singal after replacing is sent to receiving terminal, so that described receiving terminal carries out channel estimating according to described the second sequence and signal is synchronous.
2. method according to claim 1, is characterized in that, described the second sequence comprises: Zadoff-Chu sequence.
3. method according to claim 1 and 2, is characterized in that, describedly redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence comprises:
Receive the signaling that physical layer or physical layer upper layer device send;
Obtain First ray and the second sequence insertion ratio in described signaling;
According to described First ray and the second sequence insertion ratio, the redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence.
4. a method that promotes data transmission rate, is characterized in that, described method comprises:
Receive orthogonal frequency-division multiplex singal from transmitting terminal, the redundant data between the Frame of described orthogonal frequency-division multiplex singal has replaced with First ray and the second sequence; Wherein, described First ray is full null sequence;
Carry out channel estimating with local sequence and signal is synchronizeed according to described the second sequence in described orthogonal frequency-division multiplex singal.
5. method according to claim 4, is characterized in that, described the second sequence comprises: Zadoff-Chu sequence.
6. according to the method described in claim 4 or 5, it is characterized in that, carry out channel estimating and signal according to described the second sequence in described orthogonal frequency-division multiplex singal and local sequence and synchronize and comprise:
By described the second sequence and described local Serial relation, obtain the channel estimation results of described orthogonal frequency-division multiplex singal;
Described the second sequence and described local sequence are carried out to the comparison of figure, obtain the synchronized result of described orthogonal frequency-division multiplex singal;
Described local sequence comprises: Zadoff-Chu sequence.
7. method according to claim 6, is characterized in that, described by described the second sequence in described orthogonal frequency-division multiplex singal and described local Serial relation, the channel estimation results that obtains described orthogonal frequency-division multiplex singal comprises:
If the result of described the second sequence and described local Serial relation is 1, determine the not loss in transmitting procedure of described orthogonal frequency-division multiplex singal, represent that the channel estimating of described orthogonal frequency-division multiplex singal is good;
If the result of described the second sequence and described local Serial relation is not 1 o'clock, determine that described orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is described orthogonal frequency-division multiplex singal by described relevant result.
8. method according to claim 6, is characterized in that, described described the second sequence and described local sequence is carried out to the comparison of figure, and the synchronized result that obtains described orthogonal frequency-division multiplex singal comprises:
Described the second sequence and described local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in described orthogonal frequency-division multiplex singal.
9. a transmitting terminal, is characterized in that, comprising:
Data replacement unit, for the redundant data between the Frame of orthogonal frequency-division multiplex singal being replaced with to First ray and the second sequence, and is sent to data transmission unit by the orthogonal frequency-division multiplex singal after replacing; Wherein, described First ray is full null sequence;
Data transmission unit, for obtaining the orthogonal frequency-division multiplex singal described replacement from described data replacement unit, orthogonal frequency-division multiplex singal after described replacement is sent to receiving terminal, so that described receiving terminal carries out channel estimating according to described the second sequence and signal is synchronous.
10. transmitting terminal according to claim 9, is characterized in that, described the second sequence comprises: Zadoff-Chu sequence.
11. according to the transmitting terminal described in claim 9 or 10, and described data replacement unit comprises:
Signaling receives subelement, the signaling sending for receiving physical layer or physical layer upper layer device, and send to signaling to resolve subelement described signaling;
Signaling is resolved subelement, receives described signaling for obtaining subelement from described signaling, and obtains First ray and the second sequence insertion ratio in described signaling, then First ray in described signaling and the second sequence insertion ratio is sent to signaling execution subelement;
Signaling is carried out subelement, for resolving from described signaling, subelement obtains described signaling First ray and the second sequence is inserted ratio, and according to described First ray and the second sequence insertion ratio, the redundant data between the Frame of orthogonal frequency-division multiplex singal is replaced with to First ray and the second sequence.
12. 1 kinds of receiving terminals, is characterized in that, comprising:
Data receiver unit, for receiving orthogonal frequency-division multiplex singal from transmitting terminal, redundant data between the Frame of described orthogonal frequency-division multiplex singal has replaced with First ray and the second sequence, and the First ray in described orthogonal frequency-division multiplex singal and the second sequence are sent to sequence comparing unit; Wherein, described First ray is full null sequence;
Channel estimating unit, for receive First ray and second sequence of described orthogonal frequency-division multiplex singal from described data receiver unit, and carries out channel estimating with local sequence and signal is synchronizeed according to described the second sequence in described orthogonal frequency-division multiplex singal.
13. receiving terminals according to claim 12, is characterized in that, described the second sequence comprises: Zadoff-Chu sequence.
14. according to the receiving terminal described in claim 12 or 13, it is characterized in that, described channel estimating unit comprises:
Series processing subelement, for by described the second sequence and described local Serial relation, obtains the channel estimation results of described orthogonal frequency-division multiplex singal;
The synchronous subelement of signal, for described the second sequence and described local sequence are carried out to the comparison of figure, obtains the synchronized result of described orthogonal frequency-division multiplex singal;
Described local sequence comprises: Zadoff-Chu sequence.
15. receiving terminals according to claim 14, is characterized in that, described series processing subelement is specifically for comprising:
If the result of described the second sequence and described local Serial relation is 1, determine the not loss in transmitting procedure of described orthogonal frequency-division multiplex singal, represent that the channel estimating of described orthogonal frequency-division multiplex singal is good;
If the result of described the second sequence and described local Serial relation is not 1 o'clock, determine that described orthogonal frequency-division multiplex singal has loss in transmitting procedure, and the channel estimating numerical value that is described orthogonal frequency-division multiplex singal by described relevant result.
16. receiving terminals according to claim 14, is characterized in that, the synchronous subelement of described signal specifically for:
Described the second sequence and described local sequence are carried out to figure and compare, if the autocorrelation peak position of figure is corresponding neat in comparative result, using the original position of position neat correspondence Frame in described orthogonal frequency-division multiplex singal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395110.3A CN103780367B (en) | 2012-10-17 | 2012-10-17 | A kind of method for lifting data transmission rate, transmitting terminal and receiving terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395110.3A CN103780367B (en) | 2012-10-17 | 2012-10-17 | A kind of method for lifting data transmission rate, transmitting terminal and receiving terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103780367A true CN103780367A (en) | 2014-05-07 |
| CN103780367B CN103780367B (en) | 2017-06-20 |
Family
ID=50572242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210395110.3A Active CN103780367B (en) | 2012-10-17 | 2012-10-17 | A kind of method for lifting data transmission rate, transmitting terminal and receiving terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103780367B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656737A (en) * | 2018-01-24 | 2020-09-11 | 西门子股份公司 | Radio communication system for an industrial automation system and method for operating a radio communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364822A (en) * | 2007-08-07 | 2009-02-11 | 中兴通讯股份有限公司 | TD-SCDMA system and transmission method for special burst |
| CN101399796A (en) * | 2007-09-28 | 2009-04-01 | 展讯通信（上海）有限公司 | Control information configuring method for time division system, method and device for received frame processing |
| CN101997806A (en) * | 2009-08-28 | 2011-03-30 | 清华大学 | Method and system for generating physical layer frame synchronization sequence for digital transmission |
-
2012
- 2012-10-17 CN CN201210395110.3A patent/CN103780367B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364822A (en) * | 2007-08-07 | 2009-02-11 | 中兴通讯股份有限公司 | TD-SCDMA system and transmission method for special burst |
| CN101399796A (en) * | 2007-09-28 | 2009-04-01 | 展讯通信（上海）有限公司 | Control information configuring method for time division system, method and device for received frame processing |
| CN101997806A (en) * | 2009-08-28 | 2011-03-30 | 清华大学 | Method and system for generating physical layer frame synchronization sequence for digital transmission |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656737A (en) * | 2018-01-24 | 2020-09-11 | 西门子股份公司 | Radio communication system for an industrial automation system and method for operating a radio communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103780367B (en) | 2017-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2100402B1 (en) | Apparatus, methods and computer program products providing limited use of zadoff-chu sequences in pilot or preamble signals | |
| WO2020164617A1 (en) | Signal sending method, signal receiving method, network device and terminal | |
| CN108282903B (en) | Information transmission method, UE and access network entity | |
| KR102533095B1 (en) | Resource configuration method, device and computer storage medium | |
| CN110035514B (en) | Method and device for determining transmission opportunity, storage medium and electronic device | |
| US11588575B2 (en) | Method and device for processing interference, storage medium and electronic device | |
| CN110972326B (en) | Downlink control channel transmission method, terminal and network side equipment | |
| CN107888351B (en) | Reference signal sending method, reference signal processing method and equipment | |
| CN110945942B (en) | Method, device and terminal for determining DRS window in NR-U | |
| US20200028636A1 (en) | Signal transmission method and apparatus | |
| CN109391451B (en) | Method and equipment for sending and receiving control information | |
| CN111163025B (en) | Method and network device for acquiring and configuring subframe structure | |
| CN108289070B (en) | Sending method of synchronization sequence, synchronization detection method and device | |
| CN110808823B (en) | Sequence mapping method and device of common reference signal, storage medium and terminal | |
| CN103780367A (en) | Method for improving data transmission rate, transmitting end and receiving end | |
| US10862608B2 (en) | Communication device and communication method | |
| CN109151986A (en) | TDD-LTE synchronous method, device, system, equipment and storage medium | |
| CN103889060B (en) | Transmission method, method of reseptance, conveyer and receiver | |
| CN107124767A (en) | A kind of symbol arranging method, information processing method and device | |
| CN101006669B (en) | Method for detecting OFDM symbol timing in ofdm system | |
| EP4033846A1 (en) | Data processing method and apparatus | |
| CN111756483B (en) | Feedback information transmission method and terminal | |
| CN103491041A (en) | Synchronization method, base station and terminal | |
| CN107786314B (en) | Method and device in wireless communication | |
| CN108632178B (en) | Sending method, receiving method, related equipment and system of synchronous access signal group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191230 Address after: 225453 Hongqiao Industrial Park, Taixing, Jiangsu, Taizhou Patentee after: Jiangsu Shengri Machinery Equipment Manufacturing Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right |