CN109150426A

CN109150426A - Transmission method, relevant device and the system of DCIformat information

Info

Publication number: CN109150426A
Application number: CN201710453566.3A
Authority: CN
Inventors: 李建军
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2017-06-15
Filing date: 2017-06-15
Publication date: 2019-01-04
Anticipated expiration: 2037-06-15
Also published as: CN109150426B

Abstract

The embodiment of the present invention provides transmission method, relevant device and the system of a kind of DCI format information, this method comprises: distributing the resource block RB for sending demodulated reference signal DMRS sequence；The first DCI format information is sent to the first user terminal, wherein, the first DCI format information includes bandwidth instruction and resource distribution instruction, the bandwidth instruction is used to indicate the bandwidth of the RB ownership, and the resource distribution instruction is used to indicate position or serial number of the RB in the bandwidth.The present invention implements that the expense of DCI format information can be reduced.

Description

Transmission method, relevant device and the system of DCI format information

Technical field

The present invention relates to field of communication technology more particularly to a kind of descending control information format (Downlink Control Information format, DCI format) information transmission method, relevant device and system.

Background technique

At present in communication system, user terminal is used to the demodulated reference signal ((De demodulated in the downlink Modulation Reference Signal, DMRS) separate configurations that are each user terminal in each transmission, and DMRS Occupy the bandwidth that bandwidth is user data transmission distribution.In addition the parameter configuration of DMRS is by DCI format information realization 's.Such as: it include resource distribution instruction in DCI format information, which, which is used to indicate, sends the resource block that DMRS is used (Resource Block, RB).

However, the highest bandwidth in a carrier wave is up to 400MHz, very in future communication systems (such as: 5G system) To more wide-band, for user terminal, available RB is too many in bandwidth, so as to cause the expense mistake of DCI format information Greatly.

Summary of the invention

The embodiment of the present invention provides transmission method, relevant device and the system of a kind of DCI format information, to solve DCI The excessive problem of the expense of format information.

In a first aspect, the embodiment of the present invention provides a kind of transmission method of information, comprising:

Distribute the RB for sending DMRS sequence；

The first DCI format information is sent to the first user terminal, wherein the first DCI format information includes Bandwidth instruction and resource distribution instruction, the bandwidth instruction is used to indicate the bandwidth of the RB ownership, described Resource distribution instruction is used to indicate position or serial number of the RB in the bandwidth.

Second aspect, the embodiment of the present invention provide a kind of transmission method of DCI format information, are applied to the first user Terminal, comprising:

Receive the first DCI format information that network side equipment is sent, wherein the first DCI format packet Bandwidth instruction and resource distribution instruction are included, the bandwidth instruction is used to indicate the band for sending the RB ownership of DMRS sequence Wide sheet section, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth；

The bandwidth of the RB ownership is determined according to bandwidth instruction, and according to the resource distribution instruction Determine position or serial number of the RB in the bandwidth.

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

Distribution module, for distributing the resource block RB for sending DMRS sequence；

First sending module, for sending the first DCI format information to the first user terminal, wherein described first DCI format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction is used to indicate the RB and returns The bandwidth of category, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth.

Fourth aspect, the embodiment of the present invention provide a kind of user terminal, and the user terminal is the first user terminal, packet It includes:

First receiving module, for receiving the first DCI format information of network side equipment transmission, wherein described first DCI format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction, which is used to indicate, sends DMRS The bandwidth of the RB ownership of sequence, the resource distribution instruction be used to indicate position of the RB in the bandwidth or Person's serial number；

Determining module, for the bandwidth according to the determining RB ownership of bandwidth instruction, and according to institute It states resource distribution instruction and determines position or serial number of the RB in the bandwidth.

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 the program in the memory, executes the DCI of network side equipment side provided in an embodiment of the present invention Step in the transmission method of format information.

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 DCI of subscriber terminal side provided in an embodiment of the present invention Step in the transmission method of format information.

7th aspect, the embodiment of the present invention provide a kind of transmission method system of DCI format information, 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 The transfer program of DCI format information is stored in matter, when the transfer program of the DCI format information is executed by processor Realize the step of embodiment of the present invention provides the transmission method of the DCI format information of network side equipment side.

9th aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium The transfer program of DCI format information is stored in matter, when the transfer program of the DCI format information is executed by processor Realize the step of embodiment of the present invention provides the transmission method of the DCI format information of subscriber terminal side.

In this way, distributing the resource block RB for sending demodulated reference signal DMRS sequence in the embodiment of the present invention；To first User terminal send the first DCI format information, wherein the first DCI format information include bandwidth instruction and Resource distribution instruction, the bandwidth instruction are used to indicate the bandwidth of the RB ownership, and the resource distribution instruction is used In indicating the position or serial number of the RB in the bandwidth.Since DCI format information only needs to indicate RB in band The position of wide sheet section or sequence can reduce the expense of DCI format information.

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 DCI format information of the embodiment of the present invention；

Fig. 2 is a kind of flow chart of the transmission method of DCI format information provided in an embodiment of the present invention；

Fig. 3 is the flow chart of the transmission method of another kind DCI format information provided in an embodiment of the present invention；

Fig. 4 is the flow chart of the transmission method of another kind DCI format information provided in an embodiment of the present invention；

Fig. 5 is the flow chart of the transmission method of another kind DCI format information provided in an embodiment of the present invention；

Fig. 6 is the flow chart of the transmission method of another kind DCI format information provided in an embodiment of the present invention；

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

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

Fig. 9 is the structure chart of another network side equipment of example application of the present invention；

Figure 10 is the structure chart of another network side equipment of example application of the present invention；

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

Figure 12 is a kind of structure chart of user terminal of application of the embodiment of the present invention；

Figure 13 is the structure chart of another user terminal of application of the embodiment of the present invention；

Figure 14 is the structure chart of another user terminal of application of the embodiment of the present invention；

Figure 15 is the structure chart of another network side equipment of example application of the present invention；

Figure 16 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 of the Transmission system of DCI format information of the embodiment of the present invention referring to Fig. 1, Fig. 1 Figure, as shown in Figure 1, including the first user terminal 11 and network side equipment 12, wherein the first user terminal 11 can be UE (User Equipment), such as: it can be mobile phone, tablet computer (Tablet Personal Computer), electricity on knee Brain (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access The terminal side equipments such as device (Mobile Internet Device, MID) or wearable device (Wearable Device), It should be noted that not limiting the concrete type of the first user terminal 11 in embodiments of the present invention.First user terminal 11 It can establish and communicate with network side equipment 12, wherein the network in attached drawing can indicate that the first user terminal 11 is set with network side Standby 12 wireless establish communicate, and 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).In some scenes, such as: multiuser MIMO (Multi-input Multi- Output, multiple-input and multiple-output) in scene, above system can also include second user terminal 13, and second user terminal is same It can be UE, 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).And the The ability that sends and receives of one user terminal 11 and second user terminal 13 can be different, such as: the first user terminal 11 is branch The user terminal in broadband is held, second user terminal 13 is to support the user terminal of narrowband.

It should be noted that not limiting the concrete type of network side equipment 12, the first user in embodiments of the present invention The concrete function of terminal 11, network side equipment 12 and second user terminal 13 will specifically be retouched by following multiple embodiments It states.

Referring to fig. 2, Fig. 2 is a kind of flow chart of the transmission method of DCI format information provided in an embodiment of the present invention, As shown in Figure 2, comprising the following steps:

Step 201 distributes RB for sending DMRS sequence.

Wherein, above-mentioned DMRS sequence can be the DMRS sequence applied to multi-user mimo operation, and certainly, the present invention is implemented Example is not construed as limiting this, which is also possible to the DMRS sequence applied to non-MIMO.

In addition, the above-mentioned RB for sending DMRS sequence can be network side equipment and send the RB used when DMRS sequence, Above-mentioned DMRS sequence is sent on the RB.Above-mentioned RB can be one or more RB, not limit this embodiment of the present invention It is fixed.

Step 202 sends the first DCI format information to the first user terminal, wherein the first DCI format Information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction is used to indicate the band wide sheet of the RB ownership Section, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth.

In the embodiment of the present invention, the bandwidth resources (i.e. the whole bandwidth of carrier wave) of carrier wave can be divided into multiple band wide sheet Section, and each bandwidth number of resources for including can be it is equal or unequal.

Since above-mentioned DCI format information indicates the bandwidth of RB ownership by bandwidth instruction, pass through resource Distribution instruction can reduce DCI format information to indicate position or serial number of the RB in bandwidth in this way, because Not need position or sequence of the instruction RB in the bandwidth resources (i.e. the whole bandwidth of carrier wave) of carrier wave.

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, the resource block RB for sending demodulated reference signal DMRS sequence is distributed；To the first user terminal Send the first DCI format information, wherein the first DCI format information includes bandwidth instruction and resource allocation Instruction, the bandwidth instruction are used to indicate the bandwidth of the RB ownership, and the resource distribution instruction is used to indicate institute State position or serial number of the RB in the bandwidth.Since DCI format information only needs to indicate RB in bandwidth Position or sequence can reduce the expense of DCI format information.

It is the process of the transmission method of another kind DCI format information provided in an embodiment of the present invention referring to Fig. 3, Fig. 3 Figure, as shown in Figure 3, comprising the following steps:

The bandwidth resources of carrier wave are divided into multiple bandwidths by step 301.

Wherein, above-mentioned carrier wave can be main carrier (primary carrier/cell Pcell) or subcarrier (secondary carrier/cell Scell).And step 301 can be the bandwidth resources according to subcarrier spacing by carrier wave (whole bandwidth of carrier wave) is divided into multiple bandwidths, such as: it will be with same sub-carrier interval, continuous in the carrier wave Bandwidth resources are divided into same bandwidth, obtain multiple bandwidths.

Optionally, each bandwidth in the carrier wave has unified subcarrier spacing.

Wherein, there is each bandwidth unified subcarrier spacing can be, in each bandwidth in only exist one Subcarrier spacings, i.e., for any bandwidth, the subcarrier spacing in the bandwidth is identical and different bandwidth The subcarrier spacing of segment can be it is different, alternatively, the subcarrier spacing of adjacent bandwidth is different.Separately Outside, the resource block in each bandwidth in above-mentioned carrier wave is continuous.The money in each bandwidth may be implemented in this way Source block is continuously, to avoid discrete resource block from occurring, to improve resource utilization.

Step 302, the configuration information that each bandwidth is sent to first user terminal.

Wherein, step 302 can be by RRC (Radio Resource Control, wireless heterogeneous networks) message to One user terminal sends above-mentioned configuration information.In addition, above-mentioned configuration information can be the resource distribution for describing bandwidth Information, such as: the configuration information may include at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

Wherein, said frequencies position can indicate the centre frequency of bandwidth or the position of initial frequency, and above-mentioned band Width can indicate the bandwidth of bandwidth, such as: including RB quantity, and above-mentioned subcarrier spacing can indicate above-mentioned bandwidth The subcarrier spacing of segment, and above-mentioned cell ID can indicate to generate cell ID required for random sequence in bandwidth. Such as: as shown in table 1:

The information field of 1. bandwidth of table configuration

It should be noted that since above-mentioned configuration information may include frequency location, bandwidth, subcarrier spacing and cell mark At least one of in knowledge, then said frequencies position, bandwidth, subcarrier spacing and cell ID do not include by above-mentioned configuration information When, then these information for not being configured that information includes can be allocated to user terminal by the way of being pre-configured.

It should be noted that step 301 and step 302 are optional in the present embodiment, and such as: above-mentioned configuration information can To be pre-configured with to the first user terminal.

Step 303 distributes RB for sending DMRS sequence.

Specifically, it can choose bandwidth, the RB for sending DMRS sequence distributed in the bandwidth.

Step 304 sends the first DCI format information to the first user terminal, wherein the first DCI format Information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction is used to indicate the band wide sheet of the RB ownership Section, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth.

It in step 304, can also be by above-mentioned first DCI format information and PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) signal sends together.User terminal can detecte DCI format in this way, To obtain the resource allocation information of PDSCH and the configuration information of DMRS sequence.Later, channel can be carried out by DMRS sequence Estimate and detect PDSCH using the channel value of estimation, to obtain the data of downlink transfer.

Optionally, above-mentioned first DCI format information is removed the instruction of above-mentioned bandwidth and resource distribution instruction and can also be wrapped Other content is included, such as: as shown in table 2:

2. down link wide-band of table transmits DCI format table of contents

Certainly, table 2 is only to illustrate, and in the embodiment of the present invention, removes bandwidth to the content that DCI format information includes Except instruction and resource distribution instruction, it is not construed as limiting.

Optionally, before described the step of sending the first DCI format information to the first user terminal, the method is also Include:

According to the subcarrier spacing of the RB, the DMRS sequence is generated.

Generating DMRS sequence can be the number generation of the RB supported according to the corresponding downlink of subcarrier spacing most multipotency DMRS sequence, or above-mentioned DMRS sequence can be generated according to the corresponding relationship of the subcarrier spacing and DMRS sequence that obtain in advance Column.

Optionally, the subcarrier spacing according to the RB generates the DMRS sequence, comprising:

According to the most multipotency of downlink corresponding to the subcarrier spacing of the RB support RB number and the RB in be used for The number for transmitting the resource element (Resource Element, RE) of DMRS sequence, generates the DMRS sequence.

Wherein, the subcarrier spacing of the RB can be the subcarrier spacing of the bandwidth of RB ownership, and can be with needle To different subcarrier spacings, the number of the RB of multiple downlinks most multipotency support is pre-defined.Wherein, it is used for transmission in above-mentioned RB The number of the RE of DMRS sequence can be, the RE occupied in the RB when transmitting DMRS sequence.And it is above-mentioned according to the RB's The most multipotency of downlink corresponding to subcarrier spacing support RB number and the RB in be used for transmission DMRS sequence RE number Mesh, generating the DMRS sequence can be, and the number of RB and the number of RE support downlink most multipotency carry out related operation, with Generate DMRS sequence, or the number of RB, the number of RE and the DMRS sequence that can support according to the downlink obtained in advance most multipotency The corresponding relationship of column generates above-mentioned DMRS sequence.

Preferably, the number for the RB that the most multipotency of the downlink according to corresponding to the subcarrier spacing of the RB is supported, it is raw At the DMRS sequence, comprising:

According to the most multipotency of downlink corresponding to the subcarrier spacing of the RB support 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 it is used as the DMRS sequence.

For example, by generating above-mentioned DMRS sequence:

Wherein

Wherein, r (m) indicates above-mentioned DMRS sequence, and c (i) is pseudo-random sequence,For the subcarrier of above-mentioned RB The number for the RB that the corresponding downlink most multipotency in interval is supported, and before above-mentioned Normal Cyclic Prefix indicates normal circulation Sew, i.e., the use of the number for the RE for being used for transmission DMRS sequence in RB when normal cyclic prefix is 12, extended Cyclic Prefix indicates to extend cyclic prefix, i.e., the use of extend the number that the RE of DMRS sequence is used for transmission in cyclic prefix RB is 16, It certainly, 12 and 16 is here only citing, the embodiment of the present invention do not limit, and the number that the RE of DMRS sequence is used for transmission in RB can Think a variable.

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

Wherein n_SCID=0 or 1, it can be provided by DCI format information, andIt can be arranged to by the RRC of system It arrives.If without relevant configuration,For the cell ID (PCID) in the configuration information of place bandwidth.

Generating DMRS sequence through the above way may be implemented the length of DMRS sequence by the subcarrier spacing institute of the RB Corresponding downlink most multipotency support RB number and the RB in be used for transmission DMRS sequence RE number determine, with improve The performance of DMRS sequence.

Optionally, the number of RB that downlink most multipotency corresponding to the subcarrier spacing of the RB is supported is, will be preset The number for the RB that downlink most multipotency is supported in carrier wave is divided by 2^kObtained operation result, wherein described 2^kFor the son of the RB is carried Wave spacing divided by minimum subcarrier spacing in the preset carrier wave operation result.

In the embodiment, according to different subcarrier spacings, it is most that downlink in multiple carrier waves can be pre-defined The number for the RB that can be supportedSuch as, the number for the RB that the corresponding downlink of the bandwidth of subcarrier spacing f0 most multipotency is supported Mesh isSet the number for the RB that it is supported as downlink most multipotency in preset carrier wave, wherein subcarrier spacing f0 is institute State minimum subcarrier spacing in carrier wave；The number of RB that the corresponding downlink of the bandwidth of subcarrier spacing f1 most multipotency is supported is..., the number for the RB that the corresponding downlink of the bandwidth of subcarrier spacing fn most multipotency is supported isWherein, Fn=2ⁿ× f0, in this wayI.e. subcarrier spacing be fk the corresponding downlink of bandwidth most multipotency branch The number of the RB heldThe RB that the most multipotency of downlink corresponding to subcarrier spacing by above-mentioned RB is supported Number determine the length of DMRS sequence, so as to improve the performance of DMRS sequence.

Optionally, the subcarrier spacing according to the RB, after the step of generating the DMRS sequence, the method Further include:

According to serial number and the bandwidth of the starting RB in the bandwidth of RB ownership in the bandwidth resources of carrier wave The number for the RB that segment uses in the transmission, the selection target DMRS sequence fragment in the DMRS sequence, and sent out in the RB Send the target DMRS sequence fragment.

In the embodiment, it may be implemented in DMRS sequence when sending, it is only necessary to above-mentioned DMRS sequence fragment is sent, from And save transfer resource.Such as: above-mentioned target DMRS sequence fragment is that sequence fragment isIt is corresponding DMRS sequence fragment, wherein RB0 is serial number of the starting RB in the bandwidth resources of carrier wave in the bandwidth of RB ownership, andFor the number for the RB that bandwidth uses in the transmission.

Preferably, target DMRS sequence fragment described above be the DMRS sequence in the bandwidth in the transmission The corresponding sequential element of the RB used.

In the embodiment, the length of the DMRS sequence fragment sent may be implemented as corresponding to the subcarrier spacing of above-mentioned RB 'sIt determines.Such as: the subcarrier spacing of above-mentioned RB is f_k, the length of DMRS sequence by It determines, above-mentioned target DMRS sequence fragment can be as follows shown in formula:

Wherein

Wherein, r (m) indicates that above-mentioned target DMRS sequence fragment, c (i) are pseudo-random sequence,For above-mentioned RB Subcarrier spacing corresponding to the number of RB supported of downlink most multipotency, the initial value of c (i) has following formula to determine:

In the embodiment, by above-mentioned target DMRS sequence fragment, the RB quantity used in the transmission may be implemented ForFar smaller thanTherefore DMRS transmission sequence only has Partial Fragment to be actually being sent away, actual use Sequence fragment isWherein RB0 is the starting RB in the bandwidth of above-mentioned RB ownership in carrier wave Serial number in bandwidth resources, such as: subcarrier spacing used in the PDSCH frequency resource for the distribution of DMRS sequence is right The serial number of the RB for the starting answered.Wherein, serial number of the serial number RB in the bandwidth resources (whole bandwidth) of carrier wave.

Optionally, the DMRS sequence is first user terminal and the DMRS sequence that second user terminal is shared.

In the embodiment, multiple users share DMRS sequence may be implemented, such as: the first user terminal and second user are whole End is the user terminal of multiuser MIMO scene.

Optionally, above-mentioned first user terminal is the user terminal for supporting broadband, and the second user terminal is that support is narrow The user terminal of band；

After the step of resource block RB distributed for sending demodulated reference signal DMRS sequence, the method is also wrapped It includes:

The 2nd DCI format information is sent to the second user terminal, wherein the 2nd DCIformat packet Include the resource distribution instruction for being used to indicate position or serial number of the RB in the bandwidth resources of carrier wave.

Wherein, the user terminal in above-mentioned support broadband can be support carrier wave (such as: highest Pcell or Scell) The user terminal of bandwidth, certainly, to being not construed as limiting in this embodiment of the present invention, such as: support that the user terminal of bandwidth can be with Be support default broadband (such as: user terminal 400MHz or 300MHz).And the user terminal of above-mentioned support narrowband can be with It is the user terminal of the fractional bandwidth in the highest bandwidth for support carrier wave, such as: only support the user of 20MHz or 100MHz whole End.

In the embodiment, the user terminal for supporting broadband may be implemented and the user terminal for supporting narrowband shares DMRS sequence It arranges, and the user terminal for supporting broadband, the resource distribution instruction in DCI format information is used to indicate what user used Position or serial number of the RB in bandwidth, rather than the serial number in whole bandwidth.For supporting the user terminal of narrowband, Resource distribution instruction in DCI format information is used to indicate the position of RB that user uses in subcarrier, to guarantee not User terminal with ability can share DMRS sequence, that is, use identical DMRS sequence, and the DMRS sequence of all user terminals The RB serial number being used in whole bandwidth, to ensure that going on smoothly for broadband transmission.

In the present embodiment, it may be implemented the bandwidth resources in carrier wave dividing multiple bandwidths through the above steps, from And the instruction of DCI format information only needs to indicate the RB in bandwidth, to reduce the expense of DCI format information.

Referring to fig. 4, Fig. 4 is the process of the transmission method of another kind DCI format information provided in an embodiment of the present invention Figure, as shown in Figure 4, comprising the following steps:

Step 401 receives the first DCI format information that network side equipment is sent, wherein the first DCI Format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction, which is used to indicate, sends DMRS sequence RB ownership bandwidth, the resource distribution instruction is used to indicate position or sequence of the RB in the bandwidth Number.

Wherein, above-mentioned first DCI format information may refer to the respective description of Fig. 2 and embodiment shown in Fig. 3, this Place does not repeat.

Step 402, the bandwidth that the RB ownership is determined according to bandwidth instruction, and according to the resource Distribution instruction determines position or serial number of the RB in the bandwidth.

After receiving above-mentioned first DCI format information, user terminal it is available to above-mentioned bandwidth instruction and Resource distribution instruction, and then determine the position or serial number of above-mentioned bandwidth and RB in the bandwidth.Later, user Terminal can receive DMRS sequence in the RB.

In the present embodiment, since logical DCI format information instruction only needs to indicate the RB in bandwidth, to reduce The expense of DCI format information.

It is the process of the transmission method of another kind DCI format information provided in an embodiment of the present invention referring to Fig. 5, Fig. 5 Figure, as shown in Figure 5, comprising the following steps:

Step 501, the configuration information for receiving each bandwidth that the network side equipment is sent, each band wide sheet Section is the bandwidth divided to the bandwidth resources of carrier wave.

Wherein, above-mentioned configuration information may refer to the respective description of embodiment shown in Fig. 3, not repeat herein.

Step 502 receives the first DCI format information that network side equipment is sent, wherein the first DCI Format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction, which is used to indicate, sends DMRS sequence RB ownership bandwidth, the resource distribution instruction is used to indicate position or sequence of the RB in the bandwidth Number.

Step 503, the bandwidth that the RB ownership is determined according to bandwidth instruction, and according to the resource Distribution instruction determines position or serial number of the RB in the bandwidth.

User terminal determine above-mentioned RB in the bandwidth position or serial number after, can be received in above-mentioned RB DMRS sequence, and channel estimation is completed by receiving DMRS sequence, the data information of user is detected with this, to complete width Band transmission.

Optionally, the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

Wherein, above-mentioned configuration information may refer to the respective description of embodiment shown in Fig. 3, not repeat herein, and can To reach identical beneficial effect.

Optionally, each bandwidth in the carrier wave has unified subcarrier spacing.

Wherein, the phase that there is above-mentioned each bandwidth unified subcarrier spacing may refer to embodiment shown in Fig. 3 It should be noted that do not repeat herein, and it can achieve identical beneficial effect.

Optionally, the DMRS sequence is the DMRS sequence generated according to the subcarrier spacing of the RB.

Wherein, above-mentioned DMRS sequence may refer to the respective description of embodiment shown in Fig. 3, not repeat herein, and can To reach identical beneficial effect.

Optionally, the DMRS sequence is to be supported according to the most multipotency of downlink corresponding to the subcarrier spacing of the RB The number of the RE of DMRS sequence, the DMRS sequence of generation are used for transmission in the number of RB and the RB.

Optionally, the DMRS sequence is to be supported according to the most multipotency of downlink corresponding to the subcarrier spacing of the RB The number of RB generates pseudo-random sequence, and carries out operation, obtained operation result to the pseudo-random sequence.

Wherein, the number for the RB that downlink most multipotency corresponding to the subcarrier spacing of above-mentioned RB is supported may refer to Fig. 3 institute The respective description for the embodiment shown, does not repeat herein, and can achieve identical beneficial effect.

Optionally, the bandwidth that the RB ownership is determined according to bandwidth instruction, and according to described Resource distribution instruction determines the RB after the position in the bandwidth or the step of serial number, and the method is also wrapped It includes:

The target DMRS sequence fragment that the network side equipment is sent is received in the RB, wherein the target DMRS sequence Column-slice section is, according to serial number and the bandwidth of the starting RB in the bandwidth of RB ownership in the bandwidth resources of carrier wave The number for the RB that segment uses in the transmission, the target DMRS sequence fragment selected in the DMRS sequence.

Wherein, above-mentioned target DMRS sequence fragment may refer to the respective description of embodiment shown in Fig. 3, not go to live in the household of one's in-laws on getting married herein It states, and can achieve identical beneficial effect.

Optionally, the target DMRS sequence fragment is to use in the transmission in the DMRS sequence with the bandwidth The corresponding sequential element of RB.

Optionally, first user terminal is the user terminal for supporting broadband, and the second user terminal is that support is narrow The user terminal of band.

Wherein, the user terminal of the user terminal in above-mentioned support broadband and support narrowband may refer to implementation shown in Fig. 3 The respective description of example, does not repeat, and can achieve identical beneficial effect herein.

In the present embodiment, the embodiment of plurality of optional is increased on the basis of embodiment shown in Fig. 3, and can be with Realize the expense for reducing DCI format information.

It is the process of the transmission method of another kind DCI format information provided in an embodiment of the present invention referring to Fig. 6, Fig. 6 Figure, as shown in Figure 6, comprising the following steps:

The bandwidth resources of carrier wave are divided into multiple bandwidths by step 601, network side equipment.

Wherein, the multiple bandwidths of above-mentioned division may refer to the respective description of embodiment shown in Fig. 3, not go to live in the household of one's in-laws on getting married herein It states.

Step 602, network side equipment are PDSCH signal dividing frequency resource.

Wherein, said frequencies resource can be network side equipment for sending the frequency resource of PDSCH.

Step 603, network side equipment generate the DMRS sequence.

Wherein, the above-mentioned generation DMRS sequence may refer to the respective description of embodiment shown in Fig. 3, not go to live in the household of one's in-laws on getting married herein It states.

Step 604, network side equipment generate DCI format information.

Wherein, above-mentioned DCI format information can be the first DCI format information in embodiment shown in Fig. 3.

Step 604, network side equipment send DCI format information and PDSCH signal.

In the step, DCI format information and PDSCH signal are sent together.

Step 605, user terminal detect DCI format information, and obtain PDSCH signal resource allocation information and The configuration information of DMRS sequence.

Wherein, above-mentioned DCI format information may include the resource allocation information of PDSCH signal and matching for DMRS sequence Confidence breath, thus user terminal by detection DCI format information, the available resource allocation information to PDSCH signal with The configuration information of DMRS sequence.

Step 606, user terminal detect DMRS sequence according to the configuration information of DMRS sequence, and carry out channel estimation, obtain To channel estimation results.

In the step, user terminal can be used the DMRS sequence detected and carry out channel estimation, obtain channel estimation knot Fruit.

Step 607, user terminal detect PDSCH letter according to the resource allocation information of channel estimation results and PDSCH signal Number.

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 Reduce the expense of DCI format information.

Fig. 7 is referred to, Fig. 7 is a kind of structure chart of network side equipment of example application of the present invention, as shown in fig. 7, network side Equipment 700 includes, comprising:

Distribution module 701, for distributing the resource block RB for sending DMRS sequence；

First sending module 702, for sending the first DCI format information to the first user terminal, wherein described the One DCI format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction is used to indicate the RB The bandwidth of ownership, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth.

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

Division module 703, for the bandwidth resources of carrier wave to be divided into multiple bandwidths；

Second sending module 704, for sending the configuration information of each bandwidth to first user terminal.

Optionally, the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

Optionally, each bandwidth in the carrier wave has unified subcarrier spacing.

Optionally, as shown in figure 9, the network side equipment 700 further include:

Generation module 705 generates the DMRS sequence for the subcarrier spacing according to the RB.

Optionally, the generation module 705, it is most specifically for the downlink according to corresponding to the subcarrier spacing of the RB Can support RB number and the RB in be used for transmission DMRS sequence resource element RE number, generate the DMRS sequence Column.

Optionally, the generation module 705, it is most specifically for the downlink according to corresponding to the subcarrier spacing of the RB Can support RB number and the RB in be used for transmission DMRS sequence resource element RE number product generate pseudorandom Sequence, and operation is carried out to the pseudo-random sequence, using operation result as the DMRS sequence.

Optionally, as shown in Figure 10, the network side equipment 700 further include:

Third sending module 706, the starting RB in the bandwidth for being belonged to according to the RB are provided in the bandwidth of carrier wave The number for the RB that serial number and the bandwidth in source use in the transmission, the selection target DMRS sequence in the DMRS sequence Column-slice section, and the target DMRS sequence fragment is sent in the RB.

Optionally, first user terminal is the user terminal for supporting broadband, and the second user terminal is that support is narrow The user terminal of band；As shown in figure 11, network side equipment 700 further include:

4th sending module 707, for sending the 2nd DCI format information to the second user terminal, wherein institute Stating the 2nd DCI format information includes being used to indicate the resource of position or serial number of the RB in the bandwidth resources of carrier wave Distribution instruction.

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.

2, Figure 12 is that a kind of structure chart of user terminal of application of the embodiment of the present invention is used as shown in figure 12 referring to Figure 1 Family terminal 1200 includes:

First receiving module 1201, for receiving the first DCI format information of network side equipment transmission, wherein described First DCI format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction is used to indicate transmission The bandwidth of the RB ownership of DMRS sequence, the resource distribution instruction are used to indicate position of the RB in the bandwidth It sets or serial number；

Determining module 1202, for determining the bandwidth of the RB ownership, Yi Jigen according to bandwidth instruction Position or serial number of the RB in the bandwidth are determined according to the resource distribution instruction.

Optionally, as shown in figure 13, the user terminal 1200 further include:

Second receiving module 1203, for receiving the configuration information for each bandwidth that the network side equipment is sent, Each bandwidth is the bandwidth divided to the bandwidth resources of carrier wave.

Optionally, the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

Optionally, each bandwidth in the carrier wave has unified subcarrier spacing.

Optionally, as shown in figure 14, the user terminal 1200 further include:

Third receiving module 1204, for receiving the target DMRS tract that the network side equipment is sent in the RB Section, wherein the target DMRS sequence fragment is to originate RB in the bandwidth of carrier wave according in the bandwidth of RB ownership The number for the RB that serial number and the bandwidth in resource use in the transmission, the target selected in the DMRS sequence DMRS sequence fragment.

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 structure chart for referring to Figure 15, Figure 15 being a kind of network side equipment of application of the embodiment of the present invention as shown in figure 15 should Network side equipment 1500 includes: processor 1501, transceiver 1502, memory 1503, user interface 1504 and bus interface, In:

Processor 1501 executes following process for reading the program in memory 1503:

Distribute the RB for sending DMRS sequence；

Wherein, transceiver 1502, for sending and receiving data, the transceiver 1502 under the control of processor 1501 Including at least two antenna ports.

In Figure 15, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1501 generation of processor The various circuits for the memory that the one or more processors and memory 1503 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 1502 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 1504, 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 1501, which is responsible for management bus architecture and common processing, memory 1503, can store processor 1501 and exists Execute used data when operation.

Optionally, before described the step of sending the first DCI format information to the first user terminal, processor 1501 It is also used to:

The bandwidth resources of carrier wave are divided into multiple bandwidths；

The configuration information of each bandwidth is sent to first user terminal.

Optionally, the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

Optionally, each bandwidth in the carrier wave has unified subcarrier spacing.

According to the subcarrier spacing of the RB, the DMRS sequence is generated.

Optionally, the subcarrier spacing according to the RB that processor 1501 executes, generates the DMRS sequence, comprising:

According to the most multipotency of downlink corresponding to the subcarrier spacing of the RB support RB number and the RB in be used for The number for transmitting the resource element RE of DMRS sequence, generates the DMRS sequence.

Optionally, what the most multipotency of the downlink according to corresponding to the subcarrier spacing of the RB that processor 1501 executes was supported The number of RB generates the DMRS sequence, comprising:

According to the most multipotency of downlink corresponding to the subcarrier spacing of the RB support RB number and the RB in be used for The product for transmitting the number of the resource element RE of DMRS sequence generates pseudo-random sequence, and transports to the pseudo-random sequence It calculates, using operation result as the DMRS sequence.

Optionally, the subcarrier spacing according to the RB, after the step of generating the DMRS sequence, processor 1501 are also used to:

Optionally, first user terminal is the user terminal for supporting broadband, and the second user terminal is that support is narrow The user terminal of band；

After the step of resource block RB distributed for sending demodulated reference signal DMRS sequence, processor 1501 is also For:

The 2nd DCI format information is sent to the second user terminal, wherein the 2nd DCI format information Resource distribution instruction including being used to indicate position or serial number of the RB in the bandwidth resources of carrier wave.

It should be noted that above-mentioned network side equipment 1500 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 1500 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 16, Figure 16.As shown in figure 16, user Terminal 1600 includes: at least one processor 1601, memory 1602, at least one network interface 1604 and user interface 1603.Various components in user terminal 1600 are coupled by bus system 1605.It is understood that bus system 1605 is used Connection communication between these components of realization.Bus system 1605 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 16 1605。

Wherein, user interface 1603 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 1602 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 1602 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 1602 stores following element, executable modules or data structures, or Their subset of person or their superset: operating system 16021 and application program 16022.

Wherein, operating system 16021 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 16022 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 16022.

In embodiments of the present invention, by the program or instruction of calling memory 1602 to store, specifically, can be application The program or instruction stored in program 16022, processor 1601 are used for:

The method that the embodiments of the present invention disclose can be applied in processor 1601, or real by processor 1601 It is existing.Processor 1601 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 1601 or software form.Above-mentioned Processor 1601 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 1602, processor 1601 reads the information in memory 1602, 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, before described the step of receiving the first DCI format information that network side equipment is sent, processor 1601 are also used to:

The configuration information for each bandwidth that the network side equipment is sent is received, each bandwidth is to load The bandwidth that the bandwidth resources of wave divide.

Optionally, the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

Optionally, each bandwidth in the carrier wave has unified subcarrier spacing.

Optionally, the bandwidth that the RB ownership is determined according to bandwidth instruction, and according to described Resource distribution instruction determines the RB after the position in the bandwidth or the step of serial number, and processor 1601 is also used In:

It should be noted that above-mentioned user terminal 1600 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 1600 in the present embodiment, and reach identical beneficial effect, details are not described herein again.

The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium There is the transfer program of DCI format information, the transfer program of the DCI format information realizes this hair when being executed by processor The step of transmission method of the DCI format information for the network side equipment side that bright embodiment provides.

The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium There is the transfer program of DCI format information, the transfer program of the DCI format information realizes this hair when being executed by processor The step of transmission method of the DCI format information for the subscriber terminal side that bright embodiment provides.

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 transmission method of descending control information format DCI format information characterized by comprising

Distribute the resource block RB for sending demodulated reference signal DMRS sequence；

The first DCI format information is sent to the first user terminal, wherein the first DCI format information includes bandwidth Segment instruction and resource distribution instruction, the bandwidth instruction are used to indicate the bandwidth of the RB ownership, the resource Distribution instruction is used to indicate position or serial number of the RB in the bandwidth.

2. the method as described in claim 1, which is characterized in that described to send the first DCI format letter to the first user terminal Before the step of breath, the method also includes:

The bandwidth resources of carrier wave are divided into multiple bandwidths；

The configuration information of each bandwidth is sent to first user terminal.

3. method according to claim 2, which is characterized in that the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

4. method according to claim 2, which is characterized in that there is each bandwidth in the carrier wave unified son to carry Wave spacing.

5. the method as described in claim 1, which is characterized in that described to send the first DCI format letter to the first user terminal Before the step of breath, the method also includes:

According to the subcarrier spacing of the RB, the DMRS sequence is generated.

6. method as claimed in claim 5, which is characterized in that the subcarrier spacing according to the RB, described in generation DMRS sequence, comprising:

According to the most multipotency of downlink corresponding to the subcarrier spacing of the RB support RB number and the RB in be used for transmission The number of the resource element RE of DMRS sequence generates the DMRS sequence.

7. method as claimed in claim 6, which is characterized in that the downlink according to corresponding to the subcarrier spacing of the RB The number for the RB that most multipotency is supported, generates the DMRS sequence, comprising:

According to the most multipotency of downlink corresponding to the subcarrier spacing of the RB support RB number and the RB in be used for transmission The product of the number of the resource element RE of DMRS sequence generates pseudo-random sequence, and carries out operation to the pseudo-random sequence, will Operation result is as the DMRS sequence.

8. method as claimed in claim 6, which is characterized in that the most multipotency branch of downlink corresponding to the subcarrier spacing of the RB The number of the RB held is that the number for the RB for supporting downlink most multipotency in preset carrier wave is divided by 2^kObtained operation result, In, described 2^kFor the operation result by the subcarrier spacing of the RB divided by minimum subcarrier spacing in the preset carrier wave.

9. method as claimed in claim 5, which is characterized in that the subcarrier spacing according to the RB, described in generation After the step of DMRS sequence, the method also includes:

According to serial number and the bandwidth of the starting RB in the bandwidth of RB ownership in the bandwidth resources of carrier wave The number of the RB used in the transmission, the selection target DMRS sequence fragment in the DMRS sequence, and institute is sent in the RB State target DMRS sequence fragment.

10. method as claimed in claim 9, which is characterized in that the target DMRS sequence fragment is in the DMRS sequence Sequential element corresponding with the RB that the bandwidth uses in the transmission.

11. the method as described in claim 1, which is characterized in that the DMRS sequence is first user terminal and second The shared DMRS sequence of user terminal.

12. method as claimed in claim 11, which is characterized in that first user terminal is to support the user in broadband whole End, the second user terminal are to support the user terminal of narrowband；

After the step of resource block RB distributed for sending DMRS sequence, the method also includes:

The 2nd DCI format information is sent to the second user terminal, wherein the 2nd DCI format information includes It is used to indicate the resource distribution instruction of position or serial number of the RB in the bandwidth resources of carrier wave.

13. a kind of transmission method of DCI format information is applied to the first user terminal characterized by comprising

Receive the first DCI format information that network side equipment is sent, wherein the first DCI format information includes band The instruction of wide sheet section and resource distribution instruction, the bandwidth instruction are used to indicate the band wide sheet for sending the RB ownership of DMRS sequence Section, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth；

The bandwidth of the RB ownership is determined according to bandwidth instruction, and is determined according to the resource distribution instruction Position or serial number of the RB in the bandwidth.

14. method as claimed in claim 13, which is characterized in that the first DCI for receiving network side equipment and sending Before the step of format information, the method also includes:

The configuration information for each bandwidth that the network side equipment is sent is received, each bandwidth is to carrier wave The bandwidth that bandwidth resources divide.

15. method as claimed in claim 14, which is characterized in that the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

16. method as claimed in claim 14, which is characterized in that each bandwidth in the carrier wave has unified son Carrier wave interval.

17. method as claimed in claim 13, which is characterized in that the DMRS sequence is, according between the subcarrier of the RB Every the DMRS sequence of generation.

18. method as claimed in claim 17, which is characterized in that the DMRS sequence is, according between the subcarrier of the RB Every corresponding downlink most multipotency support RB number and the RB in be used for transmission DMRS sequence RE number, generation DMRS sequence.

19. method as claimed in claim 18, which is characterized in that the DMRS sequence is, according between the subcarrier of the RB Pseudo-random sequence is generated every the number for the RB that corresponding downlink most multipotency is supported, and operation is carried out to the pseudo-random sequence, Obtained operation result.

20. method as claimed in claim 18, which is characterized in that the most multipotency of downlink corresponding to the subcarrier spacing of the RB The number of the RB of support is that the number for the RB for supporting downlink most multipotency in preset carrier wave is divided by 2^kObtained operation result, Wherein, described 2^kFor the operation knot by the subcarrier spacing of the RB divided by minimum subcarrier spacing in the preset carrier wave Fruit.

21. method as claimed in claim 17, which is characterized in that described to determine that the RB returns according to bandwidth instruction The bandwidth of category, and position or serial number of the RB in the bandwidth are determined according to the resource distribution instruction The step of after, the method also includes:

The target DMRS sequence fragment that the network side equipment is sent is received in the RB, wherein the target DMRS tract Duan Wei, according to serial number and the bandwidth of the starting RB in the bandwidth of RB ownership in the bandwidth resources of carrier wave The number of the RB used in the transmission, the target DMRS sequence fragment selected in the DMRS sequence.

22. method as claimed in claim 21, which is characterized in that the target DMRS sequence fragment is in the DMRS sequence Sequential element corresponding with the RB that the bandwidth uses in the transmission.

23. method as claimed in claim 13, which is characterized in that the DMRS sequence is first user terminal and second The shared DMRS sequence of user terminal.

24. method as claimed in claim 23, which is characterized in that first user terminal is to support the user in broadband whole End, the second user terminal are to support the user terminal of narrowband.

25. a kind of network side equipment characterized by comprising

First sending module, for sending the first DCI format information to the first user terminal, wherein the first DCI Format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction is used to indicate the RB ownership Bandwidth, the resource distribution instruction are used to indicate position or serial number of the RB in the bandwidth.

26. network side equipment as claimed in claim 25, which is characterized in that the network side equipment further include:

Division module, for the bandwidth resources of carrier wave to be divided into multiple bandwidths；

Second sending module, for sending the configuration information of each bandwidth to first user terminal.

27. network side equipment as claimed in claim 26, which is characterized in that the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

28. network side equipment as claimed in claim 26, which is characterized in that each bandwidth in the carrier wave has system One subcarrier spacing.

29. network side equipment as claimed in claim 25, which is characterized in that the network side equipment further include:

Generation module generates the DMRS sequence for the subcarrier spacing according to the RB.

30. network side equipment as claimed in claim 29, which is characterized in that the generation module is specifically used for according to The money of DMRS sequence is used for transmission in the number for the RB that the most multipotency of downlink corresponding to the subcarrier spacing of RB is supported and the RB The number of source element RE generates the DMRS sequence.

31. network side equipment as claimed in claim 30, which is characterized in that the generation module is specifically used for according to The money of DMRS sequence is used for transmission in the number for the RB that the most multipotency of downlink corresponding to the subcarrier spacing of RB is supported and the RB The product of the number of source element RE generates pseudo-random sequence, and carries out operation to the pseudo-random sequence, using operation result as The DMRS sequence.

32. network side equipment as claimed in claim 30, which is characterized in that downlink corresponding to the subcarrier spacing of the RB The number for the RB that most multipotency is supported is that the number for the RB for supporting downlink most multipotency in preset carrier wave is divided by 2^kObtained operation As a result, wherein described 2^kFor the fortune by the subcarrier spacing of the RB divided by minimum subcarrier spacing in the preset carrier wave Calculate result.

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

Third sending module, sequence of the starting RB in the bandwidth resources of carrier wave in the bandwidth for being belonged to according to the RB Number and the number of RB that uses in the transmission of the bandwidth, the selection target DMRS sequence fragment in the DMRS sequence, And the target DMRS sequence fragment is sent in the RB.

34. network side equipment as claimed in claim 33, which is characterized in that the target DMRS sequence fragment is the DMRS Sequential element corresponding with the RB that the bandwidth uses in the transmission in sequence.

35. network side equipment as claimed in claim 25, which is characterized in that the DMRS sequence is first user terminal The DMRS sequence shared with second user terminal.

36. network side equipment as claimed in claim 35, which is characterized in that first user terminal is the use for supporting broadband Family terminal, the second user terminal are to support the user terminal of narrowband；

The network side equipment further include:

4th sending module, for sending the 2nd DCI format information to the second user terminal, wherein described second DCI format information includes being used to indicate the resource allocation of position or serial number of the RB in the bandwidth resources of carrier wave to refer to Show.

37. a kind of user terminal, the user terminal is the first user terminal characterized by comprising

First receiving module, for receiving the first DCI format information of network side equipment transmission, wherein the first DCI Format information includes bandwidth instruction and resource distribution instruction, and the bandwidth instruction, which is used to indicate, sends DMRS sequence RB ownership bandwidth, the resource distribution instruction is used to indicate position or sequence of the RB in the bandwidth Number；

Determining module, for the bandwidth according to the determining RB ownership of bandwidth instruction, and according to the money Source distribution instruction determines position or serial number of the RB in the bandwidth.

38. user terminal as claimed in claim 37, which is characterized in that the user terminal further include:

Second receiving module, it is described each for receiving the configuration information for each bandwidth that the network side equipment is sent Bandwidth is the bandwidth divided to the bandwidth resources of carrier wave.

39. user terminal as claimed in claim 38, which is characterized in that the configuration information includes at least one of following:

Frequency location, bandwidth, subcarrier spacing and cell ID.

40. user terminal as claimed in claim 38, which is characterized in that each bandwidth in the carrier wave has unified Subcarrier spacing.

41. user terminal as claimed in claim 37, which is characterized in that the DMRS sequence is to be carried according to the son of the RB The DMRS sequence that wave spacing generates.

42. user terminal as claimed in claim 41, which is characterized in that the DMRS sequence is to be carried according to the son of the RB The number of the RE of DMRS sequence is used for transmission in the number for the RB that the most multipotency of downlink corresponding to wave spacing is supported and the RB, it is raw At DMRS sequence.

43. user terminal as claimed in claim 42, which is characterized in that the DMRS sequence is to be carried according to the son of the RB The number for the RB that the most multipotency of downlink corresponding to wave spacing is supported generates pseudo-random sequence, and transports to the pseudo-random sequence It calculates, obtained operation result.

44. user terminal as claimed in claim 42, which is characterized in that downlink corresponding to the subcarrier spacing of the RB is most The number for the RB that multipotency is supported is that the number for the RB for supporting downlink most multipotency in preset carrier wave is divided by 2^kObtained operation knot Fruit, wherein described 2^kFor the operation by the subcarrier spacing of the RB divided by minimum subcarrier spacing in the preset carrier wave As a result.

45. user terminal as claimed in claim 41, which is characterized in that the user terminal further include:

Third receiving module, for receiving the target DMRS sequence fragment that the network side equipment is sent in the RB, wherein institute Stating target DMRS sequence fragment is, according to sequence of the starting RB in the bandwidth of RB ownership in the bandwidth resources of carrier wave Number and the number of RB that uses in the transmission of the bandwidth, the target DMRS tract selected in the DMRS sequence Section.

46. user terminal as claimed in claim 45, which is characterized in that the target DMRS sequence fragment is the DMRS sequence Sequential element corresponding with the RB that the bandwidth uses in the transmission in column.

47. user terminal as claimed in claim 37, which is characterized in that the DMRS sequence be first user terminal and The shared DMRS sequence of second user terminal.

48. user terminal as claimed in claim 47, which is characterized in that first user terminal is the user for supporting broadband Terminal, the second user terminal are to support the user terminal of narrowband.

49. 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 transmission side of the DCI format information as described in any one of claims 1 to 12 is executed Step in method.

50. 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 transmission of the DCI format information as described in any one of claim 13 to 24 is executed Step in method.

51. a kind of transmission method system of DCI format information, which is characterized in that including any in such as claim 25 to 36 The item network side equipment and the user terminal as described in any one of claim 37 to 48, or including such as claim 49 institute State network side equipment and the user terminal as described in claim 50.

52. a kind of computer readable storage medium, which is characterized in that be stored with DCI on the computer readable storage medium Such as claim is realized when the transfer program of the transfer program of format information, the DCI format information is executed by processor Described in any one of 1 to 12 the step of the transmission method of DCI format information.

53. a kind of computer readable storage medium, which is characterized in that be stored with DCI on the computer readable storage medium Such as claim is realized when the transfer program of the transfer program of format information, the DCI format information is executed by processor Described in any one of 13 to 24 the step of the transmission method of DCI format information.