CN109150441A

CN109150441A - A kind of sending method of DMRS, method of reseptance, relevant device and system

Info

Publication number: CN109150441A
Application number: CN201710457359.5A
Authority: CN
Inventors: 李建军
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2017-06-16
Filing date: 2017-06-16
Publication date: 2019-01-04
Anticipated expiration: 2037-06-16
Also published as: CN109150441B

Abstract

The embodiment of the present invention provides sending method, method of reseptance, relevant device and the system of a kind of DMRS, this method comprises: generating DMRS sequence corresponding with RBG；The DMRS sequence is sent to user terminal.The user terminal that the embodiment of the present invention can be realized different transmittabilities shares DMRS sequence.

Description

A kind of sending method of DMRS, method of reseptance, relevant device and system

Technical field

The present invention relates to field of communication technology more particularly to a kind of demodulated reference signal (De Modulation Reference Signal, DMRS) sending method, method of reseptance, relevant device and system.

Background technique

At present in communication system, the DMRS that user terminal is used to demodulate in the downlink is each user terminal each Separate configurations when transmission, and DMRS occupies the bandwidth that bandwidth is user data transmission distribution.However, in future communication systems (such as: 5G system) in, the highest bandwidth in a carrier wave is up to 400MHz, even broader frequency range, but because different user is whole End sends and receives ability difference, and not all user terminal can support the bandwidth of a carrier wave 400MHz, that is, have A little user terminals can only support part of it bandwidth for a carrier wave.The user terminal of different transmittabilities is to identical resource The cognition of block group (Resource Block Group, RBG) interior resource block (Resource Block, RB) serial number is different, And DMRS is designed based on RB at present, cannot share DMRS so as to cause the user terminal of different transmittabilities.

Summary of the invention

The embodiment of the present invention provides sending method, method of reseptance, relevant device and the system of a kind of DMRS, to solve difference The user terminal of transmittability cannot share the problem of DMRS.

In a first aspect, the embodiment of the present invention provides the sending method of DMRS a kind of, comprising:

Generate DMRS sequence corresponding with RBG；

The DMRS sequence is sent to user terminal.

Second aspect, the embodiment of the present invention provide the method for reseptance of DMRS a kind of, comprising:

The DMRS sequence that network side equipment is sent is received, the DMRS sequence is the corresponding DMRS sequence of RBG.

The third aspect, the embodiment of the present invention provide a kind of network side equipment, comprising:

Generation module, for generating DMRS sequence corresponding with resource block group RBG；

Sending module, for sending the DMRS sequence to user terminal.

Fourth aspect, the embodiment of the present invention provide a kind of user terminal, comprising:

Receiving module, for receiving the DMRS sequence of network side equipment transmission, the DMRS sequence is the corresponding DMRS of RBG Sequence.

5th aspect, the embodiment of the present invention provide a kind of network side equipment, comprising: processor, memory, transceiver and use Family interface, the processor, the memory, the transceiver and the user interface are coupled by bus system, The processor is used to read program in the memory, in the sending method for executing DMRS provided in an embodiment of the present invention Step.

6th aspect, the embodiment of the present invention provide a kind of user terminal, comprising: processor, memory, network interface and use Family interface, the processor, the memory, the network interface and the user interface are coupled in one by bus system It rises, the processor is used to read the program in the memory, executes the method for reseptance of DMRS provided in an embodiment of the present invention In step.

7th aspect, the embodiment of the present invention provide the transmission method system of DMRS a kind of, which is characterized in that including the present invention The network side equipment and user terminal that embodiment provides.

Eighth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium It is stored with the transmission program of DMRS in matter, realizes that the embodiment of the present invention provides when the transmission program of the DMRS is executed by processor DMRS sending method the step of.

9th aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium It is stored with the reception program of DMRS in matter, realizes that the embodiment of the present invention provides when the reception program of the DMRS is executed by processor DMRS method of reseptance the step of.

In this way, generating DMRS sequence corresponding with RBG in the embodiment of the present invention；The DMRS sequence is sent to user terminal Column.Due to the corresponding DMRS sequence of different RBG be it is independent, it is unrelated with RB serial number therein, can be realized different transmittabilities User terminal share DMRS sequence.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of applicable structure chart of the Transmission system of DMRS of the embodiment of the present invention；

Fig. 2 is a kind of flow chart of the sending method of DMRS provided in an embodiment of the present invention；

Fig. 3 is a kind of schematic diagram of DMRS sequence provided in an embodiment of the present invention；

Fig. 4 is the flow chart of the sending method of another kind DMRS provided in an embodiment of the present invention；

Fig. 5 is a kind of flow chart of the method for reseptance of DMRS provided in an embodiment of the present invention；

Fig. 6 is a kind of flow chart of the transmission method of DMRS provided in an embodiment of the present invention；

Fig. 7 is a kind of structure chart of network side equipment of application of the embodiment of the present invention；

Fig. 8 is the structure chart of another network side equipment of application of the embodiment of the present invention；

Fig. 9 is a kind of structure chart of user terminal of application of the embodiment of the present invention；

Figure 10 is the structure chart of another user terminal of application of the embodiment of the present invention；

Figure 11 is the structure chart of another network side equipment of application of the embodiment of the present invention；

Figure 12 is the structure chart of another user terminal of application of the embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.

It is a kind of applicable structure chart of the Transmission system of DMRS of the embodiment of the present invention referring to Fig. 1, Fig. 1, such as Fig. 1 institute Showing, including multiple user terminals 11 and network side equipment 12, wherein user terminal 11 can be UE (User Equipment), Such as: it can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access device The terminal side equipments such as (Mobile Internet Device, MID) or wearable device (Wearable Device), need Illustrate, do not limit the concrete type of user terminal 11 in embodiments of the present invention, and is transmitted in multiple user terminals 11 Ability can be different or identical, such as: above-mentioned multiple user terminals 11 may include user terminal and the support for supporting broadband The user terminal of narrowband.Network side equipment 12 can be transmission receiving point (TRP, Transmission Reception Point), or it can be base station, base station can be macro station, such as LTE eNB, 5G NR NB；Network side equipment 12 can also be with It is access point (AP, Access Point).

It should be noted that not limiting the concrete type of network side equipment 12, user terminal in embodiments of the present invention 11 and the concrete function of network side equipment 12 will be specifically described by following multiple embodiments.

Referring to fig. 2, Fig. 2 is a kind of flow chart of the sending method of DMRS provided in an embodiment of the present invention, as shown in Fig. 2, The following steps are included:

Step 201 generates DMRS sequence corresponding with RBG.

Wherein, above-mentioned DMRS sequence corresponding with RBG can be the DMRS sequence for generating above-mentioned RBG, i.e., based on resource point The basic unit matched is RBG the sequence that designs DMRS, the DMRS sequence of different RBG be it is independent, with the RB serial number in RBG without It closes.In this way, although the user terminal of different abilities recognizes different, DMRS sequence and RB serial number to the RB serial number of identical RBG It is unrelated, so the user terminal of different abilities still can share DMRS sequence.Such as: as shown in figure 3, the DMRS of each RBG Sequence is independent.Wherein, above-mentioned DMRS sequence is the DMRS sequence defined in the range of the RBG corresponding multiple frame lengths, Such as: DMRS sequence is to define in the range of multiple frames of single RBG, and the length for increasing DMRS sequence may be implemented in this way Degree, to improve the performance of DMRS sequence.In addition, the above-mentioned DMRS sequence defined in the range of RBG corresponding multiple frame lengths can To be the DMRS sequence generated according to the parameter of multiple frames of the RBG, such as: according to the time slot that every frame includes in this multiple frame (slot) the DMRS sequence that the frame number of number and multiple frames generates.Certainly, the embodiment of the present invention is not construed as limiting this, Such as: above-mentioned DMRS sequence can also be the DMRS sequence etc. defined in the range of the single frame length of the RBG.

Step 202 sends the DMRS sequence to user terminal.

Wherein, step 202 can be to multiple user terminals, and this multiple user terminal may include the use of different abilities Family terminal, such as: it supports the user terminal in broadband and supports the user terminal of narrowband.In this way, the use of these different transmittabilities Family terminal can share DMRS, to carry out multiuser MIMO (Multi-input Multi- between these user terminals Output, multiple-input and multiple-output) operation.Wherein, the user terminal in above-mentioned support broadband can be support carrier wave (such as: Pcell or Scell) highest bandwidth user terminal, certainly, to being not construed as limiting in this embodiment of the present invention, such as: support The user terminal of bandwidth can also be the default broadband of support (such as: user terminal 400MHz or 300MHz).And above-mentioned branch The user terminal for holding narrowband can be the user terminal of the fractional bandwidth in the highest bandwidth for supporting carrier wave, such as: only support The user terminal of 20MHz or 100MHz.

It should be noted that the above method can be applied to the network side equipment in system shown in FIG. 1, and the present invention is real Applying can be applied to long term evolution (Long Term Evolution, LTE) system in example, such as: 5G system can also extend To global system for mobile communications (Global System for Mobile Communication, GSM) or multicarrier code point Multiple access (Code Division Multiple Access, CDMA) technology application scene etc., not to this embodiment of the present invention It limits.

In the present embodiment, DMRS sequence corresponding with RBG is generated；The DMRS sequence is sent to user terminal.Due to not Be with the corresponding DMRS sequence of RBG it is independent, it is unrelated with RB serial number therein, can be realized the user terminal of different transmittabilities Shared DMRS sequence

Referring to fig. 4, Fig. 4 is the flow chart of the sending method of another kind DMRS provided in an embodiment of the present invention, such as Fig. 4 institute Show, comprising the following steps:

Step 401, include according to the RBG RB number, generate corresponding with RBG DMRS sequence.

Wherein, it is above-mentioned according to the RBG include RB number, generating DMRS sequence corresponding with the RBG can be, and give birth to At length DMRS sequence corresponding with the number that the RBG includes RB, it can be and generate puppet using the number that above-mentioned RBG includes RB Random sequence, and operation is carried out to the pseudo-random sequence, using operation result as DMRS sequence corresponding with the RBG, or Person, which can be, generates above-mentioned DMRS sequence according to the number and DMRS sequence corresponding relationship of the RB obtained in advance.

It is corresponding with the quantity of the above-mentioned RBG RB for including to may be implemented DMRS sequence by step 401, so as to improve The performance of DMRS sequence.Certainly, in the embodiment of the present invention, generating above-mentioned DMRS sequence and not limiting according to the RBG includes money The number of source block RB, such as: it can also be that the position according to above-mentioned RBG in the bandwidth resources of carrier wave generates corresponding DMRS sequence Column, the i.e. position of DMRS sequence and RBG in the bandwidth resources of carrier wave, are not construed as limiting this embodiment of the present invention.

Optionally, it is described according to the RBG include resource block RB number, generate DMRS sequence corresponding with the RBG, Include:

Include according to the RBG RB number and the RB in be used for transmission the resource element of DMRS sequence The number of (Resource Element, RE) generates DMRS sequence corresponding with the RBG.

In the embodiment, the number of RE can be increased on the basis of RBG includes the number of RB, to increase DMRS sequence The length of column, to promote the performance of DMRS sequence.Such as: contained with each RBGDMRS sequence occupies in a RB, each RB K RE, then the length of DMRS sequence be

Optionally, it is described according to the RBG include RB number and the RB in be used for transmission the RE of DMRS sequence Number generates DMRS sequence corresponding with the RBG, comprising:

Using the RBG include RB number and the RB in be used for transmission DMRS sequence RE number product generate Pseudo-random sequence, and operation is carried out to the pseudo-random sequence, using operation result as DMRS sequence corresponding with the RBG.

In the embodiment, may be implemented to generate the pseudo-random sequence of DMRS to be used for using in the number of RB and the RB Transmit what the product of the number of the RE of DMRS sequence generated, it can be to increase the length of DMRS sequence, to promote DMRS sequence Performance.Certainly, in the present embodiment, include according to the RBG RB number and the RB in be used for transmission DMRS sequence The number of RE generates number, the number of RE of the RB that DMRS sequence corresponding with the RBG is also possible that basis obtains in advance With the corresponding relationship of DMRS sequence, above-mentioned DMRS sequence is generated, this embodiment of the present invention is not construed as limiting.

Optionally, it is above-mentioned according to the RBG include RB number and the RB in be used for transmission the RE of DMRS sequence Number generates DMRS sequence corresponding with the RBG, comprising:

According to the RBG include the number of RB, be used for transmission in the RB DMRS sequence RE number, the DMRS sequence The number for the time slot (slot) for including in the number and frame of covered frame is arranged, DMRS sequence corresponding with the RBG is generated.

In the embodiment, can RBG include RB number and RE number on the basis of increase upper DMRS sequence energy The number for the slot for including in the number and frame of the frame of covering, so that the length of DMRS sequence is further increased, to promote DMRS The performance of sequence.It may be implemented, defined in the range of multiple frames single by the number of the above-mentioned covered frame of DMRS sequence DMRS sequence.The number of the above-mentioned covered frame of DMRS sequence can be as defined in a preconfigured numerical value or agreement Numerical value, such as: 2,4,6,8,32,64 or 128 etc., this embodiment of the present invention is not construed as limiting.Such as: frame in communication system Serial number range be often it is more fixed, frame number is 0~1023, so that single DMRS sequence can cover maximum allowable frame number Mesh can be 1024 frames.

Optionally, it is described according to the RBG include the number of RB, be used for transmission in the RB DMRS sequence RE number The step of number for the slot s lot for including in mesh, frame number and frame, generation DMRS sequence corresponding with the RBG, comprising:

Using the RBG include the number of RB, be used for transmission in the RB DMRS sequence RE number, the DMRS sequence The product for arranging the number for the slot for including in the number and frame of covered frame generates pseudo-random sequence, and to the pseudorandom sequence Column carry out operation, using operation result as DMRS sequence corresponding with the RBG.

In the embodiment, DMRS sequence is defined in the range of single RBG corresponding multiple frame lengths, thus into one Step increases the length of DMRS sequence, to promote the performance of DMRS sequence.Such as: in N_fDMRS sequence is generated in the range of a frame It arranges, can have 10 slot in every frame, to considerably increase sequence length, wherein N_fIt is covered for the DMRS sequence The number of frame.Particular sequence is as follows:

Wherein, r (m) indicates above-mentioned DMRS sequence, and c (i) is pseudo-random sequence,Indicate the number for the RB for including in RBG Mesh, K indicate the RE number that DMRS sequence occupies in each RB.

In addition, the initial value of c (i) can be determined by following formula:

Wherein, n_SCID=0 or 1, it can be by descending control information format (Downlink Control Information Format, DCI format) information provides,Mark is generated for the sequence of DMRS sequence, the RRC of system can be passed through (Radio Resource Control, wireless heterogeneous networks) or other high-level signalings are pre-configured with to user terminal, such as Fruit does not have above-mentioned configuration,It can be the cell ID for the bandwidth configuration where the corresponding RBG of above-mentioned DMRS sequence.

Length, which can be generated, by above-mentioned formula isDMRS sequence, i.e., exist pair for each slot It answersSequential element,Sequential element can be referred to as a DMRS segment.In addition, the above-mentioned serial number model due to frame Enclose it is often more fixed, such as: for 0~1023, N_f2 can be takenⁿ, every 2ⁿFrame sequence from starting counting, DMRS sequence Most start since the 0th slot of the 0th frame, because each DMRS sequence can be corresponding N_fAll slot in a frame.

It should be noted that it is above-mentioned using the RBG include RB number and the RB in be used for transmission DMRS sequence The product of the number of RE generates pseudo-random sequence, and carries out operation to the pseudo-random sequence, using operation result as with it is described The corresponding DMRS sequence of RBG can be, and generate DMRS sequence according to above-mentioned formula, only the m in above-mentioned formula is equal to

Step 402 sends the DMRS sequence to user terminal.

Wherein, step 402 can be to user terminal and send above-mentioned entire DMRS sequence, be also possible to send above-mentioned DMRS The Partial Fragment of sequence.Such as: it is described to send the DMRS sequence to user terminal, comprising:

According to the serial number of the target slot in the frame number of target frame and the target frame, mesh is selected in the DMRS sequence DMRS sequence fragment is marked, and sends the target DMRS sequence fragment in the target slot.

In the embodiment, wherein above-mentioned target DMRS sequence fragment can be with the sequence of above-mentioned frame number and above-mentioned target slot It is number corresponding, such as: above-mentioned DMRS sequence can be divided into multiple DMRS sequence fragments, and establish each DMRS sequence fragment with The corresponding relationship of frame number and serial number, so as to select above-mentioned target DMRS sequence fragment.In addition, above-mentioned target frame can be Any frame, and above-mentioned target slot can be any slot in above-mentioned target frame.

In the embodiment, can only it be carried out in a slot by transmitting every time, so transmitting every time actually required DMRS sequence quantity isFar smaller thanTo save transfer resource, user terminal and network side are saved The power consumption of equipment.

Optionally, the serial number of the target slot in the frame number and the target frame according to target frame, in the DMRS Selection target DMRS sequence fragment in sequence, and the target slot send the target DMRS sequence fragment the step of it Before, the method also includes:

It generates and identifies for the user terminal configuration sequence；

Wherein, the initial value of the pseudo-random sequence is to generate mark according to the sequence to generate.

Wherein, above-mentioned sequence, which generates mark, can be the formula for generating the initial value of pseudo-random sequenceInMark can be generated according to the sequence configured for user terminal Know, DMRS sequence is generated, to improve the performance of DMRS sequence.

It is allocated in addition, generating mark for the sequence that user terminal configures and can be by RRC or other high-level signalings User terminal, alternatively, being that the sequence generation mark that user terminal configures can be as where the corresponding RBG of above-mentioned DMRS sequence Bandwidth configuration cell ID.

It should be noted that can be configured in the embodiment of the present invention for multiuser MIMO scene for multiple user terminals Identical sequence generates mark.Certainly, in some special screnes, it is also possible to configure different sequences for different user terminals Mark is generated, this embodiment of the present invention is not construed as limiting.

In addition, user terminal is after the sequence for receiving network side equipment configuration generates mark, Ke Yigen in the embodiment Serial number gencration the testing for verifying of the target slot in the frame number and the target frame of mark, target frame is generated according to the sequence Demonstrate,prove sequence fragment, receive the network side equipment the target slot send with the matched target of the verifying sequence fragment DMRS sequence.

Wherein, above-mentioned verifying sequence fragment, which can be, generates above-mentioned DMRS sequence according to network side equipment, and selects What the mode of above-mentioned target DMRS sequence fragment generated, it does not repeat herein.

It should be noted that the embodiment of the present invention other using pseudo-random sequence generate DMRS sequence embodiment in, The above-mentioned sequence that pseudo-random sequence is also possible to be adopted as user terminal configuration generates what mark generated, is not repeated herein superfluous It states, and can achieve identical beneficial effect.

Optionally, the target DMRS sequence fragment is corresponding with the target slot in the DMRS sequence A sequential element, wherein describedInclude for the RBG RB number and the RB in be used for transmission the RE of DMRS sequence Number product.

It is since length can be generatedDMRS sequence, i.e., for each slot exist it is correspondingSequential element may thereby determine that out corresponding with the target slot in DMRS sequenceA sequential element.Example Such as: by taking above-mentioned target slot is s-th of slot of l frame as an example, then above-mentioned target DMRS sequence fragment can be as follows:

Wherein, l'=lmodN_f。

It should be noted that the mapping of DMRS sequence to DMRS RE can be first from time domain to frequently in the embodiment of the present invention Domain, or first from frequency domain again to time domain, this embodiment of the present invention is not construed as limiting.

In the embodiment of the present invention, by the above method transmit DMRS sequence, can not only make wideband subscriber terminal and Narrow band subscriber terminal can share DMRS, that is, realize the space division multiple access of different capable users, also ensure the transmission of DMRS sequence Performance.

It should be noted that in the embodiment of the present invention, to improve the reliability that user terminal detects DMRS sequence, net Network side apparatus can be pre-configured with the corresponding ID of DMRS sequence for each user terminal, and the ID can be generation DMRS sequence and make ID, such as: in above-mentioned pseudo-random sequenceIn addition, user terminal can receive first in subscriber terminal side The configuration of the DMRS sequence corresponding ID or ID, then according to the ID, current frame number and the above-mentioned DMRS of No. slot detection Sequence or target DMRS sequence fragment, and channel estimation is carried out using DMRS sequence, and can be according to the knot of channel estimation Fruit demodulates PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) data information.It needs Illustrating, network side equipment is not also possible to the above-mentioned ID of user terminal configuration, such as: user terminal is previously stored with, Or user terminal directly receives above-mentioned target DMRS sequence fragment on current slot.

In the present embodiment, it is corresponding with the quantity of the above-mentioned RBG RB for including to may be implemented DMRS sequence, so as to improve The performance of DMRS sequence.

Fig. 5 is referred to, Fig. 5 is a kind of flow chart of the method for reseptance of DMRS provided in an embodiment of the present invention, such as Fig. 5 institute Show, comprising the following steps:

Step 501 receives the DMRS sequence that network side equipment is sent, and the DMRS sequence is the corresponding DMRS sequence of RBG.

Wherein, above-mentioned DMRS sequence may refer to the respective description of Fig. 2 and embodiment shown in Fig. 4, not repeat herein.

Step 502, according to the DMRS sequence, carry out channel estimation.

In addition, the above method can also carry out the channel estimation results of channel estimation using DMRS sequence to demodulate PDSCH Data information.

Optionally, the DMRS sequence is the DMRS sequence defined in the range of the RBG corresponding multiple frame lengths.

Wherein, above-mentioned DMRS sequence may refer to the respective description of Fig. 2 and embodiment shown in Fig. 4, not repeat herein, And identical beneficial effect can be reached.

Optionally, the DMRS sequence be include the number of resource block RB according to the RBG, generation with described RBG pairs The DMRS sequence answered.

Optionally, the DMRS sequence be include according to the RBG RB number and the RB in be used for transmission The number of the RE of DMRS sequence, the DMRS sequence corresponding with the RBG of generation.

Optionally, the DMRS sequence is, include using the RBG RB number and the RB in be used for transmission DMRS sequence The product of the number of the RE of column generates pseudo-random sequence, and carries out operation, obtained operation result to the pseudo-random sequence.

Optionally, the DMRS sequence is, includes the number of RB according to the RBG, is used for transmission DMRS sequence in the RB The number for the slot s lot for including in the number of the RE of column, the number of the covered frame of DMRS sequence and frame, generation with The corresponding DMRS sequence of the RBG.

Optionally, the DMRS sequence is, the use of the RBG includes the number of RB, is used for transmission DMRS sequence in the RB The product of the number for the slot for including in the number of the RE of column, the number of the covered frame of DMRS sequence and frame generate it is pseudo- with Machine sequence, and operation, obtained operation result are carried out to the pseudo-random sequence.

Optionally, the DMRS sequence for receiving network side equipment and sending, comprising:

Target slot in target frame receives the target DMRS sequence fragment that the network side equipment is sent, wherein institute Stating target DMRS sequence fragment is, according to the serial number of the target slot in the frame number of the target frame and the target frame, The target DMRS sequence fragment selected in the DMRS sequence.

Wherein, above-mentioned target DMRS sequence fragment may refer to the respective description of Fig. 2 and embodiment shown in Fig. 4, herein It does not repeat, and identical beneficial effect can be reached.

Optionally, the target slot described in target frame receives the target DMRS sequence that the network side equipment is sent Before the step of segment, the method also includes:

The sequence for receiving network side equipment configuration generates mark, wherein the initial value of the pseudo-random sequence is according to institute It states sequence and generates what mark generated；

The target slot in target frame receives the target DMRS sequence fragment that the network side equipment is sent, packet It includes:

The serial number gencration that the target slot in the frame number and the target frame of mark, target frame is generated according to the sequence is used In the verifying sequence fragment of verifying, it is sending with the verifying sequence fragment in the target slot to receive the network side equipment Matched target DMRS sequence.

Wherein, above-mentioned sequence, which generates mark, may refer to the respective description of embodiment shown in Fig. 4, not repeat herein, In addition, above-mentioned verifying sequence fragment, which can be, generates above-mentioned DMRS sequence according to network side equipment, and select above-mentioned target What the mode of DMRS sequence fragment generated, it does not repeat herein.User terminal is after generating above-mentioned verifying sequence fragment, by network Side apparatus is compared in the DMRS sequence that above-mentioned target slot is sent, with selection and the matched target of the verifying sequence fragment DMRS sequence.

In the embodiment, due to obtaining the target DMRS sequence that network side equipment is sent according to above-mentioned verifying sequence fragment Segment, so as to improve the accuracy that user terminal obtains DMRS sequence fragment.

In the present embodiment, since DMRS sequence is corresponding with RBG, although the user terminal of abilities different in this way is to identical RBG in RB serial number recognize different, but the corresponding DMRS sequence of RBG is not influenced, so that the user terminal of different abilities can be with Shared DMRS sequence.

It is a kind of flow chart of the transmission method of DMRS provided in an embodiment of the present invention referring to Fig. 6, Fig. 6, as shown in fig. 6, The following steps are included:

Step 601, network side equipment are the sequence generation mark that user terminal configures DMRS.

Wherein, above-mentioned sequence, which generates mark, may refer to the respective description of embodiment shown in Fig. 4, not repeat herein.

Step 602, network side equipment generate DMRS sequence.

Wherein, above-mentioned DMRS sequence may refer to the respective description of embodiment shown in Fig. 4, not repeat herein.

Step 603, network side equipment send the DMRS sequence to user terminal.

Wherein, the DMRS sequence of above-mentioned transmission may refer to the respective description of embodiment shown in Fig. 4, not go to live in the household of one's in-laws on getting married herein It states, such as: send DMRS sequence fragment.

Step 604, user terminal receive the sequence that network side equipment is sent and generate mark.

Step 605, user terminal generate mark according to the sequence and receive DMRS sequence.

Wherein, above-mentioned reception DMRS sequence may refer to the respective description of embodiment shown in fig. 5, not repeat herein, Such as: receive DMRS sequence fragment.

Step 606, according to the DMRS sequence, carry out channel estimation.

Step 607, user terminal demodulate PDSCH signal using channel estimation results.

Through the above steps, it may be implemented the transmission that user terminal and network side equipment carry out PDSCH signal, and can be with Realize that the user terminal of different transmittabilities shares DMRS sequence.

Fig. 7 is referred to, Fig. 7 is a kind of structure chart of network side equipment of application of the embodiment of the present invention, as shown in fig. 7, net Network side apparatus 700 includes:

Generation module 701, for generating DMRS sequence corresponding with RBG；

Sending module 702, for sending the DMRS sequence to user terminal.

Optionally, the generation module 701, specifically for including the number of resource block RB according to the RBG, generation and institute State the corresponding DMRS sequence of RBG.

Optionally, the generation module 701, specifically for including the number and the interior use of the RB of RB according to the RBG In the number of the RE of transmission DMRS sequence, the DMRS sequence corresponding with the RBG of generation.

Optionally, the generation module 701, specifically for include using the RBG RB number and the RB in be used for The product for transmitting the number of the RE of DMRS sequence generates pseudo-random sequence, and carries out operation to the pseudo-random sequence, by operation As a result as DMRS sequence corresponding with the RBG.

Optionally, the generation module 701, specifically for include according to the RBG number of RB, in the RB for passing The number for the slot s lot for including in the number of the RE of defeated DMRS sequence, the number of the covered frame of DMRS sequence and frame, Generate DMRS sequence corresponding with the RBG.

Optionally, the generation module 701, specifically for include using the RBG number of RB, in the RB for passing The product of the number for the slot for including in the number of the RE of defeated DMRS sequence, the number of the covered frame of DMRS sequence and frame Pseudo-random sequence is generated, and operation is carried out to the pseudo-random sequence, using operation result as DMRS sequence corresponding with the RBG Column.

Optionally, the sending module 702, specifically for the target in the frame number and the target frame according to target frame The serial number of slot, the selection target DMRS sequence fragment in the DMRS sequence, and the target is sent in the target slot DMRS sequence fragment.

Optionally, as shown in figure 8, the network side equipment 700 further include:

Configuration module 703, for generating mark for the user terminal configuration sequence；

It should be noted that above-mentioned network side equipment 700 can be method implementation in the embodiment of the present invention in the present embodiment The network side equipment of any embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment any embodiment party Formula can be realized by the above-mentioned network side equipment 700 in the present embodiment, and reach identical beneficial effect, herein no longer It repeats.

Fig. 9 is referred to, Fig. 9 is a kind of structure chart of user terminal of application of the embodiment of the present invention, as shown in figure 9, user Terminal 900 includes:

First receiving module 901, for receiving the DMRS sequence of network side equipment transmission, the DMRS sequence is RBG pairs The DMRS sequence answered；

Estimation module 902, for carrying out channel estimation according to the DMRS sequence.

Optionally, the DMRS sequence be include the number of RB according to the RBG, generation it is corresponding with the RBG DMRS sequence.

Optionally, first receiving module 901 receives the network side specifically for the target slot in target frame The target DMRS sequence fragment that equipment is sent, wherein the target DMRS sequence fragment is, according to the frame number of the target frame and The serial number of the target slot in the target frame, the target DMRS sequence fragment selected in the DMRS sequence.

Optionally, as shown in Figure 10, the user terminal 900 further include:

Second receiving module 903, the sequence for receiving network side equipment configuration generate mark, wherein the pseudorandom The initial value of sequence is to generate mark according to the sequence to generate；

First receiving module, specifically for generating mark, the frame number of target frame and the target according to the sequence Verifying sequence fragment of the serial number gencration of target slot in frame for verifying, receives the network side equipment in the target Slot send with the matched target DMRS sequence of verifying sequence fragment.

It should be noted that above-mentioned user terminal 900 can be embodiment of the method in the embodiment of the present invention in the present embodiment In any embodiment user terminal, any embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 900 in the present embodiment, and reach identical beneficial effect, details are not described herein again.

The structure chart for referring to Figure 11, Figure 11 being a kind of network side equipment of application of the embodiment of the present invention as shown in figure 11 should Network side equipment 1100 includes: processor 1101, transceiver 1102, memory 1103, user interface 1104 and bus interface, In:

Processor 1101 executes following process for reading the program in memory 1103:

Generate DMRS sequence corresponding with RBG；

The DMRS sequence is sent to user terminal.

Wherein, transceiver 1102, for sending and receiving data, the transceiver 1102 under the control of processor 1101 Including at least two antenna ports.

In Figure 11, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1101 generation of processor The various circuits for the memory that the one or more processors and memory 1103 of table represent link together.Bus architecture may be used also To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1102 can To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided Member.For different user equipmenies, user interface 1104, which can also be, external the interface for needing equipment is inscribed, and connection is set Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..

Processor 1101, which is responsible for management bus architecture and common processing, memory 1103, can store processor 1101 and exists Execute used data when operation.

Optionally, the step of generation corresponding with RBG DMRS sequence that processor 1101 executes, comprising:

Include the number of resource block RB according to the RBG, generates DMRS sequence corresponding with the RBG.

Optionally, what processor 1101 executed includes the number of resource block RB according to the RBG, is generated and described RBG pairs The DMRS sequence answered, comprising:

Include according to the RBG RB number and the RB in be used for transmission DMRS sequence resource element RE number Mesh generates DMRS sequence corresponding with the RBG.

Optionally, processor 1101 execute include according to the RBG RB number and the RB in be used for transmission The number of the RE of DMRS sequence generates DMRS sequence corresponding with the RBG, comprising:

According to the RBG include the number of RB, be used for transmission in the RB DMRS sequence RE number, the DMRS sequence The number for the slot s lot for including in the number and frame of covered frame is arranged, DMRS sequence corresponding with the RBG is generated.

Optionally, what processor 1101 executed includes the number of RB according to the RBG, is used for transmission DMRS sequence in the RB The number for the slot s lot for including in the number of the RE of column, the number of the covered frame of DMRS sequence and frame, generation and institute The step of stating RBG corresponding DMRS sequence, comprising:

Optionally, what processor 1101 executed sends the DMRS sequence to user terminal, comprising:

Optionally, the serial number of the target slot in the frame number and the target frame according to target frame, in the DMRS Selection target DMRS sequence fragment in sequence, and the target slot send the target DMRS sequence fragment the step of it Before, processor 1101 is also used to:

It generates and identifies for the user terminal configuration sequence；

It should be noted that above-mentioned network side equipment 1100 can be method implementation in the embodiment of the present invention in the present embodiment The network side equipment of any embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment any embodiment party Formula can be realized by the above-mentioned network side equipment 1100 in the present embodiment, and reach identical beneficial effect, herein not It repeats again.

It is a kind of structure chart of user terminal of application of the embodiment of the present invention referring to Figure 12, Figure 12.As shown in figure 12, user Terminal 1200 includes: at least one processor 1201, memory 1202, at least one network interface 1204 and user interface 1203.Various components in user terminal 1200 are coupled by bus system 1205.It is understood that bus system 1205 is used Connection communication between these components of realization.Bus system 1205 further includes power bus, control in addition to including data/address bus Bus and status signal bus in addition processed.But for the sake of clear explanation, various buses are all designated as bus system in Figure 12 1205。

Wherein, user interface 1203 may include display, keyboard or pointing device (for example, mouse, trace ball (track ball), touch-sensitive plate or touch screen etc..

It is appreciated that the memory 1202 in the embodiment of the present invention can be volatile memory or non-volatile memories Device, or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous Connect dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The memory 1202 of system and method described herein is intended to include but is not limited to this A little and any other suitable type memory.

In some embodiments, memory 1202 stores following element, executable modules or data structures, or Their subset of person or their superset: operating system 12021 and application program 12022.

Wherein, operating system 12021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 12022 includes various application programs, such as matchmaker Body player (Media Player), browser (Browser) etc., for realizing various applied business.Realize that the present invention is implemented The program of example method may be embodied in application program 12022.

In embodiments of the present invention, by the program or instruction of calling memory 1202 to store, specifically, can be application The program or instruction stored in program 12022, processor 1201 are used for:

The DMRS sequence that network side equipment is sent is received, the DMRS sequence is the corresponding DMRS sequence of RBG；

According to the DMRS sequence, channel estimation is carried out.

The method that the embodiments of the present invention disclose can be applied in processor 1201, or real by processor 1201 It is existing.Processor 1201 may be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1201 or software form.Above-mentioned Processor 1201 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 1202, processor 1201 reads the information in memory 1202, completes the above method in conjunction with its hardware.

It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor, In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.

For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or It is realized outside processor.

Optionally, the DMRS sequence for receiving network side equipment and sending that processor 1201 executes, comprising:

Optionally, the target slot described in target frame receives the target DMRS sequence that the network side equipment is sent Before the step of segment, processor 1201 is also used to:

The target slot in target frame that processor 1201 executes receives the target that the network side equipment is sent DMRS sequence fragment, comprising:

It should be noted that above-mentioned user terminal 1200 can be embodiment of the method in the embodiment of the present invention in the present embodiment In any embodiment user terminal, any embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 1200 in the present embodiment, and reach identical beneficial effect, details are not described herein again.

The embodiment of the present invention provides a kind of computer readable storage medium, is stored on the computer readable storage medium The transmission program of DMRS, the transmission program of the DMRS realize the hair of DMRS provided in an embodiment of the present invention when being executed by processor The step of delivery method.

The embodiment of the present invention provides a kind of computer readable storage medium, is stored on the computer readable storage medium The reception program of DMRS, the reception program of the DMRS realize connecing for DMRS provided in an embodiment of the present invention when being executed by processor The step of receiving method.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit It connects, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs Purpose.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code Medium.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims

1. a kind of sending method of demodulated reference signal DMRS characterized by comprising

Generate DMRS sequence corresponding with resource block group RBG；

The DMRS sequence is sent to user terminal.

2. the method as described in claim 1, which is characterized in that the DMRS sequence is in the corresponding multiple frame lengths of the RBG In the range of the DMRS sequence that defines.

3. the method as described in claim 1, which is characterized in that the step of generation DMRS sequence corresponding with RBG, packet It includes:

4. method as claimed in claim 3, which is characterized in that described includes the number of resource block RB according to the RBG, is generated DMRS sequence corresponding with the RBG, comprising:

Include according to the RBG RB number and the RB in be used for transmission DMRS sequence resource element RE number, it is raw At DMRS sequence corresponding with the RBG.

5. method as claimed in claim 4, which is characterized in that it is described according to the RBG include RB number and the RB It is inside used for transmission the number of the RE of DMRS sequence, generates DMRS sequence corresponding with the RBG, comprising:

Include using the RBG RB number and the RB in be used for transmission DMRS sequence RE number product generate it is pseudo- with Machine sequence, and operation is carried out to the pseudo-random sequence, using operation result as DMRS sequence corresponding with the RBG.

6. method as claimed in claim 5, which is characterized in that it is described according to the RBG include RB number and the RB It is inside used for transmission the number of the RE of DMRS sequence, generates DMRS sequence corresponding with the RBG, comprising:

It include the number of RB, the number of RE that DMRS sequence is used for transmission in the RB, the DMRS sequence energy according to the RBG The number for the slot s lot for including in the number and frame of the frame of covering generates DMRS sequence corresponding with the RBG.

7. method as claimed in claim 6, which is characterized in that it is described according to the RBG include the number of RB, use in the RB In the number for the slot s lot for including in the number of RE, the number of the covered frame of DMRS sequence and frame of transmission DMRS sequence The step of mesh, generation DMRS sequence corresponding with the RBG, comprising:

It the use of the RBG include the number of RB, the number of RE that DMRS sequence is used for transmission in the RB, the DMRS sequence energy The product of the number for the slot for including in the number and frame of the frame of covering generates pseudo-random sequence, and to the pseudo-random sequence into Row operation, using operation result as DMRS sequence corresponding with the RBG.

8. the method for claim 7, which is characterized in that described to send the DMRS sequence to user terminal, comprising:

According to the serial number of the target slot in the frame number of target frame and the target frame, the selection target in the DMRS sequence DMRS sequence fragment, and the target DMRS sequence fragment is sent in the target slot.

9. method according to claim 8, which is characterized in that the mesh in the frame number and the target frame according to target frame The serial number of slot, the selection target DMRS sequence fragment in the DMRS sequence are marked, and sends the mesh in the target slot Before the step of marking DMRS sequence fragment, the method also includes:

It generates and identifies for the user terminal configuration sequence；

10. method as claimed in claim 9, which is characterized in that the target DMRS sequence fragment is in the DMRS sequence It is corresponding with the target slotA sequential element, wherein describedIt include number and the institute of RB for the RBG State the product that the number of RE of DMRS sequence is used for transmission in RB.

11. a kind of method of reseptance of DMRS characterized by comprising

According to the DMRS sequence, channel estimation is carried out.

12. method as claimed in claim 11, which is characterized in that the DMRS sequence is in the corresponding multiple frames of the RBG The DMRS sequence defined in long range.

13. method as claimed in claim 11, which is characterized in that the DMRS sequence be include resource block according to the RBG The number of RB, the DMRS sequence corresponding with the RBG of generation.

14. method as claimed in claim 13, which is characterized in that the DMRS sequence be include the number of RB according to the RBG The number of the RE of DMRS sequence, the DMRS sequence corresponding with the RBG of generation are used for transmission in mesh and the RB.

15. method as claimed in claim 14, which is characterized in that the DMRS sequence be include the number of RB using the RBG The product that the number of the RE of DMRS sequence is used for transmission in mesh and the RB generates pseudo-random sequence, and to the pseudo-random sequence Carry out operation, obtained operation result.

16. method as claimed in claim 15, which is characterized in that the DMRS sequence be include the number of RB according to the RBG It is used for transmission in mesh, the RB in the number of the RE of DMRS sequence, the number of the covered frame of DMRS sequence and frame and includes Slot number, the DMRS sequence corresponding with the RBG of generation.

17. the method described in claim 16, which is characterized in that the DMRS sequence be include the number of RB using the RBG It is used for transmission in mesh, the RB in the number of the RE of DMRS sequence, the number of the covered frame of DMRS sequence and frame and includes Slot number product generate pseudo-random sequence, and to the pseudo-random sequence carry out operation, obtained operation result.

18. method as claimed in claim 17, which is characterized in that the DMRS sequence for receiving network side equipment and sending, packet It includes:

Target slot in target frame receives the target DMRS sequence fragment that the network side equipment is sent, wherein the mesh Mark DMRS sequence fragment is, according to the serial number of the target slot in the frame number of the target frame and the target frame, in institute State the target DMRS sequence fragment selected in DMRS sequence.

19. method as claimed in claim 18, which is characterized in that receive the net in the target slot in target frame Before the step of target DMRS sequence fragment that network side apparatus is sent, the method also includes:

The sequence for receiving network side equipment configuration generates mark, wherein the initial value of the pseudo-random sequence is according to the sequence Column-generation mark generates；

The target slot in target frame receives the target DMRS sequence fragment that the network side equipment is sent, comprising:

The serial number gencration of the target slot in the frame number and the target frame of mark, target frame is generated according to the sequence for testing The verifying sequence fragment of card receives the network side equipment and matches what the target slot was sent with the verifying sequence fragment Target DMRS sequence.

20. method as claimed in claim 18, which is characterized in that the target DMRS sequence fragment is in the DMRS sequence It is corresponding with the target slotA sequential element, wherein describedIt include number and the institute of RB for the RBG State the product that the number of RE of DMRS sequence is used for transmission in RB.

21. a kind of network side equipment characterized by comprising

Sending module, for sending the DMRS sequence to user terminal.

22. network side equipment as claimed in claim 21, which is characterized in that the DMRS sequence is corresponding in the RBG The DMRS sequence defined in the range of multiple frame lengths.

23. network side equipment as claimed in claim 21, which is characterized in that the generation module is specifically used for according to RBG includes the number of resource block RB, generates DMRS sequence corresponding with the RBG.

24. network side equipment as claimed in claim 23, which is characterized in that the generation module is specifically used for according to RBG include RB number and the RB in be used for transmission DMRS sequence RE number, generation it is corresponding with the RBG DMRS sequence.

25. network side equipment as claimed in claim 24, which is characterized in that the generation module is specifically used for described in use RBG include RB number and the RB in be used for transmission DMRS sequence the product of number of RE generate pseudo-random sequence, and it is right The pseudo-random sequence carries out operation, using operation result as DMRS sequence corresponding with the RBG.

26. network side equipment as claimed in claim 25, which is characterized in that the generation module is specifically used for according to RBG include the number of RB, the number of RE that DMRS sequence is used for transmission in the RB, the covered frame of DMRS sequence number The number for the slot for including in mesh and frame generates DMRS sequence corresponding with the RBG.

27. network side equipment as claimed in claim 26, which is characterized in that the generation module is specifically used for described in use RBG include the number of RB, the number of RE that DMRS sequence is used for transmission in the RB, the covered frame of DMRS sequence number The product of the number for the slot for including in mesh and frame generates pseudo-random sequence, and carries out operation to the pseudo-random sequence, will transport Result is calculated as DMRS sequence corresponding with the RBG.

28. network side equipment as claimed in claim 27, which is characterized in that the sending module is specifically used for according to target The serial number of target slot in the frame number of frame and the target frame, the selection target DMRS sequence fragment in the DMRS sequence, And the target DMRS sequence fragment is sent in the target slot.

29. network side equipment as claimed in claim 28, which is characterized in that the network side equipment further include:

Configuration module, for generating mark for the user terminal configuration sequence；

30. network side equipment as claimed in claim 28, which is characterized in that the target DMRS sequence fragment is the DMRS It is corresponding with the target slot in sequenceA sequential element, wherein describedIt include the number of RB for the RBG The product of the number of the RE of DMRS sequence is used for transmission in mesh and the RB.

31. a kind of user terminal characterized by comprising

First receiving module, for receiving the DMRS sequence of network side equipment transmission, the DMRS sequence is the corresponding DMRS of RBG Sequence；

Estimation module, for carrying out channel estimation according to the DMRS sequence.

32. user terminal as claimed in claim 31, which is characterized in that the DMRS sequence is corresponding more in the RBG The DMRS sequence defined in the range of a frame length.

33. user terminal as claimed in claim 31, which is characterized in that the DMRS sequence be include RB according to the RBG Number, the DMRS sequence corresponding with the RBG of generation.

34. user terminal as claimed in claim 33, which is characterized in that the DMRS sequence be include RB according to the RBG Number and the RB in be used for transmission DMRS sequence RE number, the DMRS sequence corresponding with the RBG of generation.

35. user terminal as claimed in claim 34, which is characterized in that the DMRS sequence be the use of the RBG includes RB Number and the RB in be used for transmission DMRS sequence the product of number of RE generate pseudo-random sequence, and to the pseudorandom Sequence carries out operation, obtained operation result.

36. user terminal as claimed in claim 35, which is characterized in that the DMRS sequence be include RB according to the RBG Number, DMRS sequence is used for transmission in the RB the number of RE, in the number and frame of the covered frame of DMRS sequence Including slot number, the DMRS sequence corresponding with the RBG of generation.

37. user terminal as claimed in claim 36, which is characterized in that the DMRS sequence be the use of the RBG includes RB Number, DMRS sequence is used for transmission in the RB the number of RE, in the number and frame of the covered frame of DMRS sequence Including slot number product generate pseudo-random sequence, and to the pseudo-random sequence carry out operation, obtained operation knot Fruit.

38. user terminal as claimed in claim 37, which is characterized in that first receiving module is specifically used in target Target slot in frame receives the target DMRS sequence fragment that the network side equipment is sent, wherein the target DMRS sequence Segment is, according to the serial number of the target slot in the frame number of the target frame and the target frame, in the DMRS sequence The target DMRS sequence fragment of middle selection.

39. user terminal as claimed in claim 38, which is characterized in that the user terminal further include:

Second receiving module, the sequence for receiving network side equipment configuration generate mark, wherein at the beginning of the pseudo-random sequence Initial value is to generate mark according to the sequence to generate；

First receiving module identifies, in the frame number and the target frame of target frame specifically for being generated according to the sequence Target slot serial number gencration for verifying verifying sequence fragment, receive the network side equipment and sent out in the target slot It is sending with the matched target DMRS sequence of verifying sequence fragment.

40. user terminal as claimed in claim 38, which is characterized in that the target DMRS sequence fragment is the DMRS sequence It is corresponding with the target slot in columnA sequential element, wherein describedIt include the number of RB for the RBG With the product of the number for the RE for being used for transmission DMRS sequence in the RB.

41. a kind of network side equipment characterized by comprising processor, memory, transceiver and user interface, the processing Device, the memory, the transceiver and the user interface are coupled by bus system, and the processor is for reading The program in the memory is taken, the step in the sending method of the DMRS as described in any one of claims 1 to 10 is executed.

42. a kind of user terminal characterized by comprising processor, memory, network interface and user interface, the processing Device, the memory, the network interface and the user interface are coupled by bus system, and the processor is used for The program in the memory is read, the step in the method for reseptance of the DMRS as described in any one of claim 11 to 20 is executed Suddenly.

43. the transmission method system of DMRS a kind of, which is characterized in that including the network as described in any one of claim 21 to 30 Side apparatus and the user terminal as described in any one of claim 31 to 40, or set including the network side as described in claim 41 The standby and user terminal as described in claim 42.

44. a kind of computer readable storage medium, which is characterized in that be stored with DMRS's on the computer readable storage medium Program is sent, is realized as described in any one of claims 1 to 10 when the transmission program of the DMRS is executed by processor The step of sending method of DMRS.

45. a kind of computer readable storage medium, which is characterized in that be stored with DMRS's on the computer readable storage medium Program is received, is realized as described in any one of claim 11 to 20 when the reception program of the DMRS is executed by processor The step of method of reseptance of DMRS.