CN108365932A

CN108365932A - A kind of information transferring method and device

Info

Publication number: CN108365932A
Application number: CN201710061608.9A
Authority: CN
Inventors: 张雯; 夏树强; 石靖; 韩祥辉; 梁春丽; 张文峰; 任敏
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2017-01-26
Filing date: 2017-01-26
Publication date: 2018-08-03
Also published as: WO2018137463A1

Abstract

The embodiment of the invention discloses a kind of information transferring method, this method includes：Determine that the first TTI to be scheduled in the first subframe, the first subframe are a subframe in long term evolution LTE system according to the scheduling information received；According to the corresponding candidate positions DMRS the first TTI of location determination in the first subframe residing for the first TTI, the candidate positions DMRS are the positions first kind DMRS or the positions Second Type DMRS；According to the candidate positions DMRS, information is transmitted on the first TTI.The embodiment of the present invention further simultaneously discloses a kind of information carrying means.

Description

A kind of information transferring method and device

Technical field

The present invention relates to the wireless network transmission technologies more particularly to a kind of information transferring method and dress in the communications field It sets.

Background technology

The fast development of mobile Internet and Internet of Things has caused explosive growth and diversification, the differentiation of data traffic The extensive rise of business.Mobile communication technology of the 5th third-generation mobile communication technology (5G, 5th-Generation) as a new generation, Opposite fourth generation mobile communication technology (4G, 4th-Generation) will support higher rate (Gbps), flood tide to link (1M/ Km2), ultralow time delay (1ms), higher reliability, the promotion of hundred times of energy efficiency etc. are to support new changes in demand.Wherein, Key index of the ultralow time delay as 5G technologies will be directly affected such as car networking, industrial automation, remote control, intelligence electricity The development of the Delay Constraints business such as net.A series of current research on standard reduced about 5G time delays are just in iterative method.

Currently, the reduction of Transmission Time Interval (TTI, Transmission Time Interval) is dropped as current time delay Low important research direction, it is intended to by the TTI of present 1ms length be reduced to 0.5ms even 2 OFDM symbols length, at Times reduction minimum scheduling time, and then do not changing the reduction single transmission time delay that frame structure also can be at double.

However, in short TTI technologies, since TTI is shorter, each TTI need to configure demodulated reference signal (DMRS, Demodulation Reference Sgnal), in this case, pilot-frequency expense can be bigger.Therefore, how to configure DMRS is one A problem to be solved.

Invention content

In order to solve the above technical problems, an embodiment of the present invention is intended to provide a kind of information transferring method and device, Neng Goujie About pilot-frequency expense.

The technical proposal of the invention is realized in this way：

A kind of information transferring method provided in an embodiment of the present invention, including：

The first Transmission Time Interval TTI to be scheduled in the first subframe is determined according to the scheduling information received, described One subframe is a subframe in long term evolution LTE system；

According to the corresponding candidate demodulation of the first TTI described in the location determination in first subframe residing for the first TTI The positions reference signal DMRS, the candidate positions DMRS are the positions first kind DMRS or the positions Second Type DMRS；

According to the candidate positions DMRS, information is transmitted on the first TTI.

Optionally, first subframe includes 2 time slots, and 2 time slots include first time slot and second time slot； Each time slot in first subframe includes 3 TTI, and the first TTI is one in 3 TTI, 3 TTI Including first TTI, second TTI and third TTI, 3 TTI are one of the following：

First TTI includes symbol 0 and symbol 1, and second TTI includes symbol 2 and symbol 3, the third A TTI includes symbol 4, symbol 5 and symbol 6；Alternatively,

First TTI includes symbol 0, symbol 1 and symbol 2, and second TTI includes 3 and symbol 4, and described the Three TTI include symbol 5 and symbol 6；

Wherein, each time slot includes 7 symbols, and it is respectively 0~6 that 7 symbols index sequentially in time.

Optionally, the corresponding candidate positions DMRS two neighboring TTI in 3 TTI are the first kind DMRS Position；The corresponding candidate positions DMRS remaining TTI in 3 TTI are the positions the Second Type DMRS.

Optionally, the first TTI described in the location determination according in first subframe residing for the first TTI is corresponded to The candidate positions DMRS, including：

The corresponding candidate positions DMRS the first TTI being made of 2 symbols in first subframe are the first kind The positions DMRS；

The corresponding candidate positions DMRS the first TTI being made of 3 symbols in first subframe are the Second Type The positions DMRS.

Optionally, in each time slot of first subframe, the corresponding candidate DMRS of first TTI and institute It is the same symbol to state the corresponding candidate positions DMRS second TTI, is the positions the first kind DMRS；

In each time slot of first subframe, the corresponding candidate positions DMRS the third TTI are described The positions Second Type DMRS.

Optionally, the corresponding candidate DMRS of first TTI and the corresponding candidate positions DMRS second TTI are The same symbol is the positions the first kind DMRS, including：

The positions the first kind DMRS are the last symbol of first TTI, or are second TTI First symbol.

Optionally, the corresponding candidate positions DMRS the third TTI are the positions the Second Type DMRS, including：

The positions the Second Type DMRS are first symbol of the third TTI.

Optionally, in each time slot of first subframe, the corresponding candidate positions DMRS second TTI The candidate positions DMRS corresponding with the third TTI are the same symbol, are the positions the first kind DMRS；

In each time slot of first subframe, the corresponding candidate positions DMRS first TTI are described The positions Second Type DMRS.

Optionally, the corresponding candidate positions DMRS second TTI and corresponding candidates DMRS of the third TTI It is set to the same symbol, is the positions the first kind DMRS, including：

The positions the first kind DMRS are the last symbol of second TTI, or are the third TTI First symbol.

Optionally, the corresponding candidate positions DMRS first TTI are the positions the Second Type DMRS, including：

The positions the Second Type DMRS are first symbol of first TTI.

Optionally, in first subframe, the corresponding candidate positions DMRS TTI in all first subframes are The positions first kind DMRS.

Optionally, in first subframe, the corresponding candidate positions DMRS first TTI in first time slot The candidate positions DMRS corresponding with second TTI are the same symbol；

In first subframe, corresponding candidate positions DMRS third TTI in first time slot with it is described The corresponding candidate positions DMRS first TTI in second time slot are the same symbol；

In first subframe, corresponding candidate positions DMRS second TTI in second time slot with it is described The corresponding candidate positions DMRS third TTI in second time slot are the same symbol.

Optionally, the corresponding candidate positions DMRS first TTI in first time slot are corresponding with second TTI The candidate positions DMRS are the same symbol, including：

The corresponding candidate positions DMRS first TTI candidate corresponding with second TTI in first time slot The positions DMRS are the last symbol of first TTI or first symbol of second TTI；

Correspondingly, the corresponding candidate positions DMRS third TTI in first time slot and second time slot In the corresponding candidate positions DMRS first TTI be the same symbol, including：

The corresponding candidate positions DMRS third TTI in first time slot and first in second time slot The corresponding candidate positions DMRS a TTI be the last symbol of the third TTI or in first time slot the First symbol of one TTI；

Correspondingly, the corresponding candidate positions DMRS second TTI in second time slot and second time slot In the corresponding candidate positions DMRS third TTI be the same symbol, including：

The corresponding candidate positions DMRS second TTI in second time slot and the third in second time slot Last symbol that the corresponding candidate positions DMRS a TTI are second TTI in second time slot or described the First symbol of third TTI in two time slots.

Optionally, described that information is transmitted on the first TTI according to the candidate positions DMRS, including：

According to the candidate positions DMRS, DMRS is transmitted on the corresponding candidate positions DMRS on the first TTI.

Optionally, the first TTI described in the location determination according in first subframe residing for the first TTI is corresponded to The candidate positions DMRS after, the method further includes：

If the first TTI meets first condition, DMRS is not transmitted in the candidate positions DMRS；Wherein, described One condition includes at least following one：

The corresponding candidate positions DMRS first TTI are the positions the first kind DMRS, and the first TTI The corresponding candidate positions DMRS previous TTI be the positions the first kind DMRS；

The corresponding candidate positions DMRS first TTI time corresponding with the previous TTI of the first TTI It is the same symbol to select the positions DMRS；

The schedule information schedules terminal UE received transmits information on the previous TTI of the first TTI.

Optionally, instruction information is carried in the scheduling information, the instruction information is used to indicate whether described One TTI transmits DMRS on the corresponding candidate positions DMRS.

When instruction information instruction does not transmit the DMRS on the corresponding candidate positions DMRS the first TTI When, any information is not transmitted on the candidate positions DMRS, wherein the candidate positions DMRS are the first kind DMRS Position.

When instruction information instruction does not transmit DMRS on the corresponding candidate positions DMRS the first TTI, In the candidate positions DMRS transmitting data information, wherein the candidate positions DMRS are the positions the Second Type DMRS.

Optionally, it is described when the corresponding candidate positions DMRS the first TTI are the positions first kind DMRS The corresponding instruction information of first TTI always indicates to transmit the DMRS on the candidate positions DMRS.

According to the instruction information, the DMRS described in the corresponding candidate's DMRS location transmissions of the first TTI, In, the corresponding candidate positions DMRS the first TTI are the positions the Second Type DMRS.

An embodiment of the present invention provides a kind of information carrying means, including：

Determination unit, the scheduling information for being received according to receiving unit determine the first biography to be scheduled in the first subframe Defeated time interval TTI, first subframe are a subframe in long term evolution LTE system；And according to the first TTI institutes Locate the corresponding candidate positions demodulated reference signal DMRS the first TTI described in the location determination in first subframe, the candidate The positions DMRS are the positions first kind DMRS or the positions Second Type DMRS；

Transmission unit, for according to the candidate positions DMRS, information to be transmitted on the first TTI.

Optionally, the determination unit, specifically for being corresponded to by the first TTI that 2 symbols form in first subframe The candidate positions DMRS be the positions the first kind DMRS；And the first TTI being made of 3 symbols in first subframe The corresponding candidate positions DMRS are the positions the Second Type DMRS.

Optionally, the determination unit, also particularly useful for the positions the first kind DMRS be first TTI most The latter symbol, or first symbol for second TTI.

Optionally, the determination unit, also particularly useful for that the positions the Second Type DMRS are the third TTI One symbol.

Optionally, the determination unit, also particularly useful in each time slot of first subframe, described second A corresponding candidate positions DMRS TTI and the corresponding candidate positions DMRS the third TTI are the same symbol, are described The positions first kind DMRS；In each time slot of first subframe, corresponding candidate DMRS of first TTI It is set to the positions the Second Type DMRS.

Optionally, the determination unit, also particularly useful for the positions the first kind DMRS be second TTI most The latter symbol, or first symbol for the third TTI.

Optionally, the determination unit, also particularly useful for that the positions the Second Type DMRS are first TTI One symbol.

Optionally, the determination unit is additionally operable in first subframe, TTI pairs in all first subframes The candidate positions DMRS answered are the positions first kind DMRS.

Optionally, the determination unit, also particularly useful in first subframe, in first subframe, described The corresponding candidate positions DMRS the first TTI candidate positions DMRS corresponding with second TTI in one time slot are same Symbol；And in first subframe, corresponding candidate positions DMRS third TTI in first time slot and described the The corresponding candidate positions DMRS first TTI in two time slots are the same symbol；It is described and in first subframe The corresponding candidate positions DMRS second TTI in second time slot are corresponding with the third TTI in second time slot The candidate positions DMRS are the same symbol.

Optionally, corresponding candidates DMRS of first TTI in first time slot that the determination unit determines Set the last symbol or second TTI that the candidate positions DMRS corresponding with second TTI are first TTI First symbol；

Corresponding candidate positions DMRS third TTI in first time slot that the determination unit determines with it is described Last symbol or institute of the corresponding candidate positions DMRS first TTI for the third TTI in second time slot State first symbol of first TTI in first time slot；

Corresponding candidate positions DMRS second TTI in second time slot that the determination unit determines with it is described The corresponding candidate positions DMRS third TTI in second time slot are the last of second TTI in second time slot First symbol of one symbol or the third TTI in second time slot.

Optionally, the transmission unit is specifically used for according to the candidate positions DMRS, corresponding on the first TTI The candidate positions DMRS on transmit DMRS.

Optionally, the transmission unit is additionally operable to according to the location determination in first subframe residing for the first TTI After the corresponding candidate positions DMRS first TTI, if the first TTI meets first condition, in the candidate DMRS Do not transmit DMRS in position；Wherein, the first condition includes at least following one：

Optionally, instruction information is carried in the scheduling information that the receiving unit receives, the instruction information is used In indicating whether to transmit DMRS on the corresponding candidate positions DMRS the first TTI.

Optionally, the transmission unit is indicated also particularly useful for when the instruction information in the corresponding institutes of the first TTI It states when not transmitting the DMRS on the candidate positions DMRS, does not transmit any information on the candidate positions DMRS, wherein described The candidate positions DMRS are the positions the first kind DMRS.

Optionally, the transmission unit is indicated also particularly useful for when the instruction information in the corresponding institutes of the first TTI It states when not transmitting DMRS on the candidate positions DMRS, in the candidate positions DMRS transmitting data information, wherein the candidate The positions DMRS are the positions the Second Type DMRS.

Optionally, the determination unit is described also particularly useful for the corresponding candidate positions DMRS the first TTI When the first kind positions DMRS, the corresponding instruction information of the first TTI always indicates on the candidate positions DMRS Transmit the DMRS.

Optionally, the transmission unit is additionally operable to according to the instruction information, in the corresponding times of the first TTI Select DMRS described in DMRS location transmissions, wherein the corresponding candidate positions DMRS the first TTI are the Second Type The positions DMRS.

An embodiment of the present invention provides a kind of terminal UEs, including：It receiver, transmitter, processor and is stored with described Processor-executable instruction, the receiver reception data and the transmitter send data storage medium, it is described Receiver and the transmitter execute operation dependent on the processor, when described instruction is executed by processor, execute as follows Operation：

The processor, the scheduling information for being received according to the receiver determine to be scheduled in the first subframe One Transmission Time Interval TTI, first subframe are a subframe in long term evolution LTE system；And according to described first The corresponding candidate positions demodulated reference signal DMRS first TTI described in location determination in first subframe residing for TTI, it is described The candidate positions DMRS are the positions first kind DMRS or the positions Second Type DMRS；

The transmitter, for according to the candidate positions DMRS, information to be transmitted on the first TTI.

Optionally, the processor, it is corresponding specifically for the first TTI that is made of 2 symbols in first subframe The candidate positions DMRS are the positions the first kind DMRS；And the first TTI pairs be made of 3 symbols in first subframe The candidate positions DMRS answered are the positions the Second Type DMRS.

Optionally, the processor is the last of first TTI also particularly useful for the positions the first kind DMRS One symbol, or first symbol for second TTI.

Optionally, the processor, also particularly useful for first that the positions the Second Type DMRS are the third TTI A symbol.

Optionally, the processor, also particularly useful in each time slot of first subframe, described second The corresponding candidate positions DMRS TTI and the corresponding candidate positions DMRS the third TTI are the same symbol, are described the One positions type DMRS；In each time slot of first subframe, the corresponding candidate positions DMRS first TTI For the positions the Second Type DMRS.

Optionally, the processor is the last of second TTI also particularly useful for the positions the first kind DMRS One symbol, or first symbol for the third TTI.

Optionally, the processor, also particularly useful for first that the positions the Second Type DMRS are first TTI A symbol.

Optionally, the processor is additionally operable in first subframe, and the TTI in all first subframes is corresponded to The candidate positions DMRS be the positions first kind DMRS.

Optionally, the processor, also particularly useful in first subframe, in first subframe, described first The corresponding candidate positions DMRS the first TTI candidate positions DMRS corresponding with second TTI in a time slot are the same symbol Number；And in first subframe, the corresponding candidate positions DMRS third TTI and described second in first time slot The corresponding candidate positions DMRS first TTI in a time slot are the same symbol；And in first subframe, described The corresponding candidate positions DMRS second TTI time corresponding with the third TTI in second time slot in two time slots It is the same symbol to select the positions DMRS.

Optionally, the corresponding candidate positions DMRS first TTI in first time slot that the processor determines The last symbol or second TTI that the candidate positions DMRS corresponding with second TTI are first TTI First symbol；

Corresponding candidate positions DMRS third TTI in first time slot that the processor determines and described the The last symbol or described that the corresponding candidate positions DMRS first TTI in two time slots are the third TTI First symbol of first TTI in first time slot；

Corresponding candidate positions DMRS second TTI in second time slot that the processor determines and described the The corresponding candidate positions DMRS third TTI in two time slots are last of second TTI in second time slot First symbol of a symbol or the third TTI in second time slot.

Optionally, the transmitter is specifically used for according to the candidate positions DMRS, corresponding on the first TTI DMRS is transmitted on the candidate positions DMRS.

Optionally, the transmitter is additionally operable to according to the location determination institute in first subframe residing for the first TTI After stating the corresponding candidate positions DMRS the first TTI, if the first TTI meets first condition, in candidate DMRS It sets and does not transmit DMRS；Wherein, the first condition includes at least following one：

Optionally, instruction information is carried in the scheduling information that the receiver receives, the instruction information is used for Indicate whether to transmit DMRS on the corresponding candidate positions DMRS the first TTI.

Optionally, the transmitter, also particularly useful for when instruction information instruction it is corresponding described in the first TTI When not transmitting the DMRS on the candidate positions DMRS, any information is not transmitted on the candidate positions DMRS, wherein the time It is the positions the first kind DMRS to select the positions DMRS.

Optionally, the transmitter, also particularly useful for when instruction information instruction it is corresponding described in the first TTI When not transmitting DMRS on the candidate positions DMRS, in the candidate positions DMRS transmitting data information, wherein the candidate DMRS Position is the positions the Second Type DMRS.

Optionally, the processor is described the also particularly useful for the corresponding candidate positions DMRS the first TTI When the one type positions DMRS, the corresponding instruction information of the first TTI always indicates to upload in the candidate positions DMRS The defeated DMRS.

Optionally, the transmitter is additionally operable to according to the instruction information, in the corresponding candidates of the first TTI DMRS described in DMRS location transmissions, wherein the corresponding candidate positions DMRS the first TTI are the Second Type DMRS Position.

An embodiment of the present invention provides a kind of information transferring method and devices, and first is determined according to the scheduling information received First TTI to be scheduled in subframe, the first subframe are a subframe in LTE system；According in the first subframe residing for the first TTI The corresponding candidate positions DMRS the first TTI of location determination, the positions candidate DMRS be the positions first kind DMRS or the second class The positions type DMRS；According to the candidate positions DMRS, information is transmitted on the first TTI.Using above-mentioned technic relization scheme, due to information Transmitting device might have for different TTI and be configured using the different types of candidate positions DMRS, that is to say, that the The different types of candidate positions DMRS can be carried out in the different TTI of one subframe, in this case, since the candidate positions DMRS can be with Including the positions first kind DMRS (i.e. shared or multiplexing DMRS), that is to say, that at least two TTI can share a candidate The positions DMRS, so, the signaling of DMRS is transmitted on the corresponding candidate DMRS of TTI of the first subframe will adapt to reduce, To save pilot-frequency expense.

Description of the drawings

Fig. 1 is a kind of flow chart one of information transferring method provided in an embodiment of the present invention；

Fig. 2 is a kind of flowchart 2 of information transferring method provided in an embodiment of the present invention；

Fig. 3 is illustrative first subframe structure schematic diagram one provided in an embodiment of the present invention；

Fig. 4 is illustrative first subframe structure schematic diagram two provided in an embodiment of the present invention；

Fig. 5 is illustrative first subframe structure schematic diagram three provided in an embodiment of the present invention；

Fig. 6 is illustrative first subframe structure schematic diagram four provided in an embodiment of the present invention；

Fig. 7 is illustrative first subframe structure schematic diagram five provided in an embodiment of the present invention；

Fig. 8 is illustrative first subframe structure schematic diagram six provided in an embodiment of the present invention；

Fig. 9 is illustrative first subframe structure schematic diagram seven provided in an embodiment of the present invention；

Figure 10 is illustrative first subframe structure schematic diagram eight provided in an embodiment of the present invention；

Figure 11 is illustrative first subframe structure schematic diagram nine provided in an embodiment of the present invention；

Figure 12 is illustrative first subframe structure schematic diagram ten provided in an embodiment of the present invention；

Figure 13 is a kind of structural schematic diagram of information carrying means provided in an embodiment of the present invention；

Figure 14 is a kind of structural schematic diagram of UE provided in an embodiment of the present invention.

Specific implementation mode

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 describes.

It should be noted that the information carrying means in the embodiment of the present invention can be the equipment such as terminal, the present invention is implemented Example is not restricted, and various embodiments of the present invention are illustrated by taking terminal as an example.

Embodiment one

An embodiment of the present invention provides a kind of information transferring methods, as shown in Figure 1, this method may include：

S101, determine that the first TTI to be scheduled in the first subframe, first subframe are according to the scheduling information received A subframe in LTE system.

During being mainly used for base station and terminal progress uplink and downlink data transmission in the embodiment of the present invention.Wherein, base station It is the equipment for accessing net side, can is long term evolution (LTE, Long Term Evolution) communication system in the embodiment of the present invention Base station etc. in system.

It can also be catv terminal that terminal, which can be wireless terminal, wireless terminal can be only provide a user voice and/ Or the equipment of data connectivity, with wireless connecting function portable equipment or be connected to radio modem other Processing equipment.Wireless terminal can be through RAN (Radio Access Network, wireless access network) and one or more core nets It is communicated, wireless terminal can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with mobile terminal Computer, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they with Wireless access network exchanges language and/or data.For example, PCS (Personal Communication Service, personal communication Business) phone, wireless phone, Session initiation Protocol (SIP) phone, WLL (Wireless Local Loop, Wireless Local Loop Road) it stands, the equipment such as PDA (Personal Digital Assistant, personal digital assistant).Wireless terminal is referred to as System, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent) or user equipment.

Therefore, the information transferring method in the embodiment of the present invention can be evolved base station (eNB, evolved Node B) Data transmission etc. between user terminal (UE, User Equipment).

It should be noted that in the embodiment of the present invention, in LTE system the transmission of the information of base station and terminal be by frame into The transmission of row upstream data and downlink data.Wherein, it may include 14 that a frame, which can have multiple subframes, a subframe, SC-FDMA (Orthogonal Frequency Division Multiplexing) symbol, behind abbreviation symbol, the first subframe Can include 2 time slots, this 2 time slots include first time slot and second time slot, and each time slot includes 7 symbols, this 7 It is respectively 0~6 that a symbol indexes sequentially in time.Then, terminal can be according to default dividing mode by a subframe (i.e. One subframe) it is divided into different TTI.

In embodiments of the present invention, default dividing mode can be that each time slot of the first subframe is divided into 3 TTI, Each TTI can be made of 2 symbols or 3 symbols, since each time slot has 7 symbols, each time slot can be with It is divided into 2,2,3 form, 3,2,2 form can also be divided into, the embodiment of the present invention is not restricted.

Optionally, each time slot in the first subframe includes 3 TTI, and the first TTI is one in 3 TTI, wherein should 3 TTI include first TTI, second TTI and third TTI.

The corresponding candidate positions DMRS two neighboring TTI in 3 TTI are the positions first kind DMRS；In 3 TTI The corresponding candidate positions DMRS remaining TTI are the positions Second Type DMRS.

In embodiments of the present invention, two TTI being made of 2 symbols in each time slot can be divided into adjacent Adjacent one can also be divided by TTI and TTI being made of 3 symbols that 2 symbols form adjacent by TTI TTI。

In embodiments of the present invention, terminal has received the scheduling information that base station issues in the first current subframe, in It is that the terminal can determine which the first TTI to be scheduled is in the first subframe at this time according to the scheduling information.

Optionally, in embodiments of the present invention, the positions first kind DMRS can be shared or multiplexing DMRS, Second Type The positions DMRS can be special DMRS.

S102, according to the corresponding candidate positions DMRS the first TTI of location determination in the first subframe residing for the first TTI, should The candidate positions DMRS include the positions first kind DMRS or the positions Second Type DMRS.

Terminal is determined according to the scheduling information that base station issues in the first subframe after the first TTI to be scheduled, due at this In inventive embodiments, be provided with preset configuration rule in advance, and according in the first subframe of preset configuration rule pair not Same TTI has carried out being configured with for the candidate positions DMRS, and therefore, which, should after some TTI (the first TTI) is determined Terminal can be according to the corresponding candidate positions DMRS the first TTI of location determination in the first subframe residing for the first TTI.

It should be noted that in embodiments of the present invention, which is used for the time using at least one type It is respectively that the different TTI of the first subframe are configured to select the positions DMRS, and the candidate positions DMRS of at least one type include Shared or multiplexing DMRS (positions first kind DMRS) or special DMRS (positions Second Type DMRS).

Optionally, one kind is in the embodiment of the present invention：The corresponding candidate positions DMRS TTI in first subframe may include The positions first kind DMRS and the positions Second Type DMRS, the positions first kind DMRS are shared or multiplexing DMRS, this second The positions type DMRS are special DMRS.In this case, for example bright, being made of 2 symbols in the first subframe the first TTI pairs The candidate positions DMRS answered are the positions first kind DMRS；The corresponding candidates of the first TTI being made of 3 symbols in first subframe The positions DMRS are the positions Second Type DMRS.Another kind is：In the first subframe, the corresponding times of TTI in all first subframes It is the positions first kind DMRS to select the positions DMRS, and the positions first kind DMRS are shared or multiplexing DMRS.That is, the It is whether made of 2 symbols in one subframe, or be made of 3 symbols, the corresponding candidate positions DMRS the first TTI are equal For the positions first kind DMRS.

Optionally, the first subframe includes 2 time slots, and 2 time slots include first time slot and second time slot, each time slot Including 7 symbols, it can be respectively 0~6 that 7 symbols index sequentially in time；So, each time slot packet in the first subframe It is any one in 3 TTI containing 3 TTI, the first TTI.Corresponding candidates DMRS of two neighboring TTI in 3 TTI It is set to the positions first kind DMRS；The corresponding candidate positions DMRS remaining TTI in 3 TTI are the positions Second Type DMRS.

Optionally, (1), for the candidate positions DMRS may include the positions first kind DMRS and the positions Second Type DMRS The case where, the first subframe includes 2 time slots, and 2 time slots include first time slot and second time slot, and each time slot includes 7 Symbol, it can be respectively 0~6 that 7 symbols index sequentially in time；So, each time slot in the first subframe includes 3 TTI, the first TTI are any one in 3 TTI, which may include first TTI, second TTI and third TTI, wherein 3 TTI are respectively：First TTI includes symbol 0 and symbol 1, and second TTI includes symbol 2 and symbol 3, the Three TTI include symbol 4, symbol 5 and symbol 6.Then, preset configuration rule at this moment includes at least one of：First In each time slot of subframe, the corresponding candidate positions DMRS first TTI DMRS and second TTI of corresponding candidate are same Symbol is the positions first kind DMRS, that is to say, that and the positions first kind DMRS are the last symbol of first TTI, Or first symbol for second TTI；And in each time slot of the first subframe, the corresponding candidate DMRS of third TTI Position is the positions Second Type DMRS, that is to say, that the positions Second Type DMRS are first symbol of third TTI.Alternatively, In each time slot of the first subframe, third TTI and the corresponding candidate positions DMRS second TTI are the same symbol Number, it is the positions first kind DMRS, that is to say, that the positions first kind DMRS are the last symbol of second TTI, or Person is first symbol of third TTI；And in each time slot of the first subframe, corresponding candidates DMRS of first TTI It is set to the positions Second Type DMRS, that is to say, that the positions Second Type DMRS are first symbol of first TTI.

(2), the case where may include the positions first kind DMRS and the Second Type positions DMRS for the candidate positions DMRS, First subframe includes 2 time slots, and 2 time slots include first time slot and second time slot, and each time slot includes 7 symbols, 7 It is respectively 0~6 that symbol indexes sequentially in time；So, each time slot in the first subframe includes 3 TTI, and the first TTI is 3 One in a TTI, which may include first TTI, second TTI and third TTI, wherein 3 TTI difference For：First TTI includes symbol 0, symbol 1 and symbol 2, and second TTI includes 3 and symbol 4, and third TTI includes 5 He of symbol Symbol 6.Then, preset configuration rule at this moment includes at least one of：In each time slot of the first subframe, second The corresponding candidate positions DMRS TTI and the corresponding candidate positions DMRS third TTI are the same symbol, are the first kind The positions DMRS；That is, the positions first kind DMRS are the last symbol of second TTI, or it is third TTI's First symbol.And in each time slot of the first subframe, the corresponding candidate positions DMRS first TTI are Second Type DMRS Position；That is, the positions Second Type DMRS are first symbol of first TTI.Alternatively, in each of first subframe In time slot, the corresponding candidate positions DMRS second TTI and the corresponding candidate positions DMRS first TTI are the same symbol, It is the positions first kind DMRS；That is, the positions first kind DMRS are the last symbol of first TTI, or For first symbol of second TTI.And in each time slot of the first subframe, the corresponding candidate positions DMRS third TTI For the positions Second Type DMRS；That is, the positions Second Type DMRS are first symbol of third TTI.

Optionally, in the first subframe, the corresponding candidate positions DMRS TTI in all first subframes are first The case where type positions DMRS, the first subframe include 6 TTI, and the first TTI is one in 6 TTI；Preset configuration rule packet Include at least one of：In the first subframe, corresponding candidate positions DMRS first TTI in first time slot with second The corresponding candidate positions DMRS TTI are the same symbol；In the first subframe, the third TTI in first time slot is corresponding The candidate positions the DMRS candidate positions DMRS corresponding with first TTI in second time slot are the same symbol；In the first son In frame, the corresponding candidate positions DMRS second TTI in second time slot and TTI pairs of third in second time slot The candidate positions DMRS answered are the same symbol.That is, corresponding, the corresponding times of first TTI in first time slot Select the last symbol or second that the positions the DMRS candidate positions DMRS corresponding with second TTI are first TTI First symbol of TTI.The corresponding candidate positions DMRS third TTI in first time slot and first in first time slot The last symbol or first TTI in first time slot that the corresponding candidate positions DMRS a TTI are third TTI First symbol.The corresponding candidate positions DMRS second TTI in second time slot and the third in second time slot The corresponding candidate positions DMRS TTI is in the last symbol of second TTI in second time slot or second time slots Third TTI first symbol.

It should be noted that two TTI in the embodiment of the present invention can be two TTI the case where can sharing candidate DMRS Resource distribution it is consistent when.

S103, according to the candidate positions DMRS, transmit information on the first TTI.

Terminal according to the corresponding candidate positions DMRS the first TTI of location determination in the first subframe residing for the first TTI it Afterwards, known due to the terminal and calculated the positions DMRS after the first TTI is corresponding, terminal is in the enterprising row information transmission of the first TTI When, it is known which position in the first subframe carries out DMRS and transmits.

In embodiments of the present invention, the information that terminal is transmitted on the first TTI may include：DMRS and data information.

It should be noted that in embodiments of the present invention, when terminal determines the corresponding candidate DMRS of the first TTI It waits, has also determined that whether the symbol on the first TTI is occupied, it is occupied and can transmission data to not have in the first TTI The symbol transmitting data information of information.

Specifically, in embodiments of the present invention, terminal can be according to the candidate positions DMRS, the corresponding time on the first TTI It selects and transmits DMRS on the positions DMRS.Correspondingly, terminal can be in the first TTI in addition to the enterprising line number of symbol of the candidate positions DMRS It is believed that breath transmits.

Further, base station, which is handed down in the scheduling information of terminal, can carry instruction information, which is used for Indicate whether to transmit DMRS on the corresponding candidate positions DMRS the first TTI.

Specifically, when indicating that information instruction does not transmit DMRS on the corresponding candidate positions DMRS the first TTI, terminal exists Any information is not transmitted on the candidate positions DMRS, wherein the positions candidate DMRS are the positions first kind DMRS.Alternatively, when referring to Show information instruction when not transmitting DMRS on the corresponding candidate positions DMRS the first TTI, terminal is transmitted on the candidate positions DMRS Data information, wherein the positions candidate DMRS are the positions Second Type DMRS.

Specifically, when the corresponding candidate positions DMRS the first TTI are the first kind positions DMRS, the corresponding fingers of the first TTI Show that information always indicates to transmit DMRS on the candidate positions DMRS.Alternatively, terminal can be with default setting in first kind DMRS DMRS is transmitted always in position, and terminal is according to instruction information, in the corresponding candidate's DMRS location transmissions DMRS of the first TTI, wherein The corresponding candidate positions DMRS first TTI are the positions Second Type DMRS.

Further, as shown in Fig. 2, terminal is according to TTI pairs of location determination the first in the first subframe residing for the first TTI After the candidate positions DMRS answered, i.e. after S102, a kind of information transferring method provided in an embodiment of the present invention further includes： S104.It is as follows：

If S104, the first TTI meet first condition, DMRS is not transmitted in the candidate positions DMRS；Wherein, first condition is extremely Include following one less：The corresponding candidate positions DMRS first TTI are the positions first kind DMRS, and the first TTI's is previous The corresponding candidate positions DMRS TTI are the positions first kind DMRS；The corresponding candidate positions DMRS first TTI are with the first TTI's The corresponding candidate positions DMRS previous TTI are the same symbol；Base station scheduled transmits on the previous TTI of the first TTI Information (i.e. the schedule information schedules that UE is received the UE transmit information on the previous TTI of the first TTI).

Terminal according to the corresponding candidate positions DMRS the first TTI of location determination in the first subframe residing for the first TTI it Afterwards, it is to share a candidate DMRS since the first TTI can be with adjacent TTI, it is also possible to, base station was just dispatched at it Information is transmitted on adjacent TTI, therefore, at this moment, when base station will dispatch a TTI, since DMRS has been known in base station, Then, the terminal on the corresponding candidate positions DMRS the first TTI with regard to without carrying out transmitting for DMRS again.

It is understood that using the different types of candidate positions DMRS since terminal might have for different TTI It is configured, that is to say, that the different types of candidate positions DMRS are carried out in the different TTI of the first subframe, in this case, by In the candidate positions DMRS may include the positions first kind DMRS (i.e. shared or be multiplexed DMRS), that is to say, that at least two TTI can share a candidate position DMRS, so, DMRS be transmitted on the corresponding candidate DMRS of TTI of the first subframe Signaling will adapt to reduce, to save pilot-frequency expense.

Embodiment two

May include the positions first kind DMRS and Second Type in the candidate positions DMRS based on the description of embodiment one The positions DMRS, the positions first kind DMRS are shared or multiplexing DMRS, and the positions Second Type DMRS are the field of special DMRS Jing Zhong, the information transferring method that the embodiment of the present invention proposes, which both can be used for uplink, can be used for downlink transfer, example Property, the embodiment of the present invention is transmitted as example to illustrate with uplink.

In embodiments of the present invention, for the subframe (i.e. the first subframe) of the 1ms in a LTE system, the subframe according to Default dividing mode is divided into TTI 6 short (i.e. different TTI, the first TTI are one of those).Here, a subframe packet Containing 14 single-carrier frequency division multiple access (SC-FDMAS, ingle-carrier Frequency-Division Multiple Access) symbol.The symbolic number that this 6 short TTI are occupied respectively is 2,2,3,2,2 and 3.As shown in figure 3, each box represents one The index of a SC-FDMAS symbols, short TTI is from 0~5 respectively sequentially in time.

In 6 short TTI that subframe shown in Fig. 3 includes, there are two types of the candidate positions DMRS of type.First kind DMRS That position is shared between continuous two TTI or multiplexing, the positions Second Type DMRS are that a TTI is proprietary.

The symbol of first time slot bend part of subframe as shown in Figure 4 is the positions first kind DMRS, for example, for Short TTI#0 and short TTI#1, the candidate positions DMRS are the last symbol on TTI#0.Subframe first shown in Fig. 4 The symbol of mesh portion is the positions Second Type DMRS in time slot, for example, for short TTI#2, the candidate positions DMRS are in short TTI#2 First symbol on, be that short TTI#2 is dedicated.Similar preset configuration rule can also be used for second time slot.When ENB dispatches UE when transmitting uplink transmission data on short TTI#0, and UE can transmit DMRS in the last symbol on TTI#0, Uplink transmission data is transmitted on first symbol on TTI#0.When eNB scheduling UE transmits uplink number on short TTI#1 According to when, UE can transmit DMRS in the last symbol on short TTI#0, on all symbols of short TTI#1 transmit uplink pass Transmission of data.When eNB scheduling UE transmits uplink transmission data on short TTI#2, UE can be on first symbol on short TTI#2 DMRS is transmitted, uplink transmission data is transmitted on latter two symbol on short TTI#2.

Likewise, the symbol of subframe bend shown in fig. 5 part is the positions first kind DMRS, for example, for short TTI#0 and short TTI#1, the candidate positions DMRS are the last symbol on TTI#1.First of subframe shown in fig. 5 The symbol of mesh portion is the positions Second Type DMRS in time slot, for example, for short TTI#2, the candidate positions DMRS are in short TTI#2 First symbol on, it is special to have.Similar preset configuration rule can also be used for second time slot.When eNB tune UE is spent when transmitting uplink transmission data on short TTI#0, DMRS is transmitted on first symbol that UE can be on TTI#1, in TTI#0 On all symbols on transmit uplink transmission data.When eNB scheduling UE transmits uplink transmission data on short TTI#1, UE meetings DMRS is transmitted on first symbol on short TTI#1, uplink transmission data is transmitted on second symbol of short TTI#1.When ENB dispatches UE when transmitting uplink transmission data on short TTI#2, and UE can transmit DMRS on first symbol on short TTI#2, Uplink transmission data is transmitted on latter two symbol on short TTI#2.

For another example Fig. 6 and Fig. 7 also give two examples.The symbol of the oblique line portion in subframe in Fig. 6 and Fig. 7 is The candidate positions DMRS of the positions first kind DMRS, the short TTI of the first two in a time slot are the positions first kind DMRS. The symbol of meshing in subframe is the positions Second Type DMRS, is that the last one short TTI in a time slot is dedicated.UE In the principle and example above-mentioned of transmitting information (transmission DMRS and uplink transmission data) on Fig. 6 and subframe shown in Fig. 7 Transmission principle is consistent, and details are not described herein again.

It should be noted that the scheduling information that terminal can be issued according to base station determines to be scheduled first in the first subframe TTI。

Optionally, instruction information is carried in scheduling information, which is used to indicate whether corresponding in the first TTI DMRS is transmitted on the candidate positions DMRS.Then, terminal can be according to instruction information, in the corresponding candidate positions DMRS the first TTI Transmit DMRS, wherein the corresponding candidate positions DMRS the first TTI are the positions Second Type DMRS.

In embodiments of the present invention, instruction information can be 1bit information, and the embodiment of the present invention is not restricted.

Optionally, if the first TTI meets first condition, DMRS is not transmitted in the candidate positions DMRS；Wherein, first condition Including at least following one：

The corresponding candidate positions DMRS first TTI are the positions first kind DMRS, and the previous TTI of the first TTI is corresponded to The candidate positions DMRS be the positions first kind DMRS；The corresponding candidate positions DMRS first TTI are previous with the first TTI's The corresponding candidate positions DMRS TTI are the same symbol；Base station scheduled transmits information (UE on the previous TTI of the first TTI The schedule information schedules received the UE transmits information on the previous TTI of the first TTI.).

Illustratively, for Fig. 6, if eNB continuously dispatches UE transmits information on TTI#0, wherein DMRS is in TTI#0 Last symbol on transmit, if eNB on TTI#1 again dispatch the UE transmission information, at this point, UE is no longer transmitted DMRS.The information on the DMRS demodulation TTI#0 and TTI#1 that UE is transmitted on TTI#0 may be used in eNB.

Optionally, for the positions first kind DMRS, when instruction information instruction does not transmit DMRS, then terminal is being waited It selects and does not transmit any signal on the positions DMRS (i.e. when instruction information instruction does not pass on the corresponding candidate positions DMRS the first TTI When defeated DMRS, terminal does not transmit any information on the candidate positions DMRS, wherein the candidate positions DMRS are first kind DMRS It sets).For example, for Fig. 4, when eNB scheduling UE transmits uplink transmission data on short TTI#0, if eNB instructions are not transmitted DMRS, then, UE only can transmit uplink transmission data on first symbol of short TTI#0, not transmitted on second symbol Any signal or information.

Optionally, for the positions Second Type DMRS, when instruction information instruction does not transmit DMRS, then terminal is being waited It selects and transmits uplink transmission data on the positions DMRS (i.e. when instruction information indicates on the corresponding candidate positions DMRS the first TTI not When transmitting DMRS, terminal is in the candidate positions DMRS transmitting data information, wherein the candidate positions DMRS are Second Type DMRS It sets, in addition to the symbol where the positions Second Type DMRS on the first TTI, other symbols are originally transmission uplink transmission datas ).For example, for Fig. 4, when eNB scheduling UE transmits uplink transmission data on short TTI#2, if eNB instructions are not transmitted DMRS, then, UE can transmit uplink transmission data on all symbols of short TTI#2.

Optionally, for the corresponding short TTI in the positions first kind DMRS, the instruction letter that is carried in corresponding scheduling information Always instruction UE transmits DMRS to breath.For example, for Fig. 4, when eNB scheduling UE transmits uplink on short TTI#0 or TTI#1 When data, the instruction information in scheduling information always indicates that UE transmits DMRS, i.e. the corresponding candidate positions DMRS the first TTI are the When the one type positions DMRS, the corresponding instruction information of the first TTI always indicates to transmit DMRS on the candidate positions DMRS.

Optionally, for the corresponding short TTI in the positions first kind DMRS, no matter indicate whether to pass in corresponding scheduling information Defeated DMRS, UE always can transmit DMRS on the positions DMRS.For example, for Fig. 4, when eNB dispatches UE in short TTI#0 or TTI# When transmitting uplink transmission data on 1, though indicate whether to transmit DMRS in corresponding scheduling information, UE can be in short TTI#0 Last symbol on transmit DMRS.

Further, two neighboring in 3 TTI when in a time slot of a subframe in the embodiment of the present invention The corresponding candidate positions DMRS TTI are the positions first kind DMRS；The corresponding candidate positions DMRS remaining TTI in 3 TTI To state the positions Second Type DMRS.For example, in first time slot of subframe of Fig. 3 structures, for short TTI#1 and short TTI# 2, the candidate positions DMRS are the last symbol on TTI#1, which is short TTI#1 and short TTI#2 total The positions first kind DMRS enjoyed.For short TTI#0, the candidate positions DMRS are short TTI# on first symbol of short TTI#0 0 positions dedicated Second Type DMRS.Other kinds of consistent with this principle, the embodiment of the present invention repeats no more.

Embodiment three

In embodiments of the present invention, for the subframe (i.e. the first subframe) of the 1ms in a LTE system, the subframe according to Default dividing mode is divided into TTI 6 short (i.e. different TTI, the first TTI are one of those).Here, a subframe packet Containing 14 SC-FDMA symbols.The symbolic number that this 6 short TTI are occupied respectively is 3,2,2,2,2 and 3.As shown in figure 8, each box A SC-FDMAS symbol is represented, the index of short TTI is from 0~5 respectively sequentially in time.

In 6 short TTI that subframe shown in Fig. 8 includes, there are two types of the candidate positions DMRS of type.First kind DMRS That position is shared between continuous two TTI or multiplexing, the positions Second Type DMRS are that a TTI is dedicated.

The symbol of first time slot bend part of subframe as shown in Figure 9 is the positions DMRS of the first kind, for example, right In short TTI#1 and TTI#2, the candidate positions DMRS are the last symbol on TTI#1.For short TTI#3 and TTI#4, Its candidate position DMRS is the last symbol on TTI#3.Mesh portion in first time slot of subframe as shown in Figure 9 Symbol is the positions Second Type DMRS, for example, for TTI#0 and TTI#5, the candidate positions DMRS therein be the TTI#0 with TTI#5 difference is dedicated.

When eNB scheduling UE transmits uplink transmission data on short TTI#1, UE can be in the last symbol on TTI#1 Upper transmission DMRS transmits uplink transmission data on first symbol on TTI#1.When eNB scheduling UE is transmitted on short TTI#2 When uplink transmission data, UE can transmit DMRS in the last symbol on short TTI#1, on all symbols of short TTI#2 Transmit uplink transmission data.When eNB scheduling UE transmits uplink transmission data on short TTI#0, UE can be on short TTI#0 the DMRS is transmitted on one symbol, uplink transmission data is transmitted on latter two symbol on short TTI#0.

Likewise, the symbol of subframe bend part is the positions first kind DMRS as shown in Figure 10, for example, for short TTI#1 and TTI#2, the candidate positions DMRS are first symbol on TTI#2.It is candidate for short TTI#3 and TTI#4 The positions DMRS are first symbol on TTI#4.The symbol of mesh portion is Second Type in subframe as shown in Figure 10 The positions DMRS, for example, for TTI#0 and TTI#5, the candidate positions DMRS therein are that the TTI is dedicated.Here scheduling and biography Defeated mode is for example above-mentioned, and which is not described herein again.

For another example Figure 11 and Figure 12 also give two examples.The symbol of the oblique line portion in subframe in Figure 11 and Figure 12 Number be the positions first kind DMRS, for first time slot of subframe, the positions DMRS of latter two short TTI are the first kind The positions DMRS, for second time slot of subframe, the positions DMRS of the short TTI of the first two are the positions first kind DMRS.Figure 11 Symbol with the meshing in the subframe in Figure 12 is the positions Second Type DMRS, such as short TTI#0 and short TTI#5, candidate Its corresponding position DMRS is dedicated.

Optionally, instruction information is carried in scheduling information, which is used to indicate whether corresponding in the first TTI DMRS is transmitted on the candidate positions DMRS.

Optionally, for the positions first kind DMRS, when instruction information instruction does not transmit DMRS, then terminal is being waited It selects and does not transmit any signal on the positions DMRS (i.e. when instruction information instruction does not pass on the corresponding candidate positions DMRS the first TTI When defeated DMRS, terminal does not transmit any information on the candidate positions DMRS, wherein the candidate positions DMRS are first kind DMRS It sets).

Optionally, for the positions Second Type DMRS, when instruction information instruction does not transmit DMRS, then terminal is being waited It selects and transmits last time transmission data on the positions DMRS (i.e. when instruction information indicates on the corresponding candidate positions DMRS the first TTI not When transmitting DMRS, terminal is in the candidate positions DMRS transmitting data information, wherein the candidate positions DMRS are Second Type DMRS It sets, in addition to the symbol where the positions Second Type DMRS on the first TTI, other symbols are originally transmission uplink transmission datas ).

Optionally, for the corresponding short TTI in the positions first kind DMRS, the instruction letter that is carried in corresponding scheduling information Always instruction UE transmits DMRS to breath, i.e. when the corresponding candidate positions DMRS the first TTI are the first kind positions DMRS, the first TTI Corresponding instruction information always indicates to transmit DMRS on the candidate positions DMRS.

Optionally, for the corresponding short TTI in the positions first kind DMRS, no matter indicate whether to pass in corresponding scheduling information Defeated DMRS, UE always can transmit DMRS on the candidate positions DMRS.

Example IV

Based on the description of embodiment one, in the first subframe, the corresponding candidate DMRS of TTI in all first subframes Position is in the scene of the positions first kind DMRS, and the information transferring method that the embodiment of the present invention proposes both can be used for uplink Transmission can be used for downlink transfer, and illustratively, the embodiment of the present invention is transmitted as example to illustrate with uplink.

In embodiments of the present invention, for the subframe (i.e. the first subframe) of the 1ms in a LTE system, the subframe according to Default dividing mode is divided into TTI 6 short (i.e. different TTI, the first TTI are one of those).Wherein, division side is preset Formula such as Fig. 3 is shown in Fig. 9 consistent.

In embodiments of the present invention, the corresponding candidate positions DMRS all TTI of a subframe are first kind DMRS Position.It is being shared between as continuous two TTI or multiplexing.

In Fig. 3 or Fig. 9, the candidate positions DMRS of first TTI and second TTI are the same symbol, are first First symbol of the last symbol of a TTI or second TTI.Candidate DMRS of third TTI and the 4th TTI It is set to the same symbol, is the last symbol of third TTI or first symbol of the 4th TTI.5th TTI with The candidate positions DMRS of 6th TTI are the same symbol, are the last symbol or the 6th TTI of the 5th TTI First symbol.

The implementation principle of other content is similar with embodiment two or three.Which is not described herein again.

It is understood that due to terminal for different TTI might have using the sharable candidate positions DMRS into Row configuration, that is to say, that in this case, since the candidate positions DMRS are shared or multiplexing DMRS, that is to say, that at least two TTI can share a candidate position DMRS, so, DMRS be transmitted on the corresponding candidate DMRS of TTI of the first subframe Signaling will adapt to reduce, to save pilot-frequency expense.

Embodiment five

As shown in figure 13, an embodiment of the present invention provides a kind of information carrying means 1, which can wrap It includes：

Determination unit 10, the scheduling information for being received according to receiving unit 11 determine to be scheduled in the first subframe One Transmission Time Interval TTI, first subframe are a subframe in long term evolution LTE system；And according to described first The corresponding candidate positions demodulated reference signal DMRS first TTI described in location determination in first subframe residing for TTI, it is described The candidate positions DMRS are the positions first kind DMRS or the positions Second Type DMRS.

Transmission unit 12, for according to the candidate positions DMRS, information to be transmitted on the first TTI.

Optionally, first TTI includes symbol 0 and symbol 1, and second TTI includes symbol 2 and symbol 3, third TTI Including symbol 4, symbol 5 and symbol 6.

Optionally, first TTI includes symbol 0, symbol 1 and symbol 2, and second TTI includes 3 and symbol 4, The third TTI includes symbol 5 and symbol 6.

Optionally, first subframe includes 2 time slots, and 2 time slots include first time slot and second time slot, Each time slot includes 7 symbols, and it is respectively 0~6 that 7 symbols index sequentially in time；In first subframe Each time slot include 3 TTI, the first TTI be 3 TTI in one, 3 TTI include described first TTI, second TTI and the third TTI.

Optionally, the corresponding candidate positions DMRS TTI in first subframe include the positions the first kind DMRS With the positions the Second Type DMRS.

Optionally, the determination unit 10, specifically for the first TTI pairs be made of 2 symbols in first subframe The candidate positions DMRS answered are the positions the first kind DMRS；And first be made of 3 symbols in first subframe The corresponding candidate positions DMRS TTI are the positions the Second Type DMRS.

Optionally, in each time slot of first subframe, the corresponding candidate DMRS of first TTI and institute It is the same symbol to state the corresponding candidate positions DMRS second TTI, is the positions the first kind DMRS.

Optionally, the determination unit 10 is first TTI's also particularly useful for the positions the first kind DMRS Last symbol, or first symbol for second TTI.

Optionally, the determination unit 10 is the third TTI's also particularly useful for the positions the Second Type DMRS First symbol.

Optionally, the determination unit 10, also particularly useful in each time slot of first subframe, described The corresponding candidate positions DMRS the two TTI corresponding candidate DMRS and third TTI are the same symbol, are described the One positions type DMRS；In each time slot of first subframe, the corresponding candidate positions DMRS first TTI For the positions the Second Type DMRS.

Optionally, the determination unit 10 is second TTI's also particularly useful for the positions the first kind DMRS Last symbol, or first symbol for the third TTI.

Optionally, the determination unit 10 is first TTI's also particularly useful for the positions the Second Type DMRS First symbol.

Optionally, the transmission unit 12 is specifically used for according to the candidate positions DMRS, right on the first TTI DMRS is transmitted on the candidate positions DMRS answered.

Optionally, the transmission unit 12 is additionally operable to true according to the position in first subframe residing for the first TTI After determining the corresponding candidate positions DMRS the first TTI, if the first TTI meets first condition, in the candidate DMRS does not transmit DMRS in position；Wherein, the first condition includes at least following one：

The corresponding candidate positions DMRS first TTI are the positions the first kind DMRS, and the first TTI The corresponding candidate positions DMRS previous TTI be the positions the first kind DMRS.

The corresponding candidate positions DMRS first TTI time corresponding with the previous TTI of the first TTI It is the same symbol to select the positions DMRS.

Optionally, instruction information, the instruction information are carried in the scheduling information that the receiving unit 11 receives It is used to indicate whether to transmit DMRS on the corresponding candidate positions DMRS the first TTI.

Optionally, the transmission unit 12, also particularly useful for when the instruction information indicate it is corresponding in the first TTI When not transmitting the DMRS on the candidate positions DMRS, any information is not transmitted on the candidate positions DMRS, wherein institute It is the positions the first kind DMRS to state the candidate positions DMRS.

Optionally, the transmission unit 12, also particularly useful for when the instruction information indicate it is corresponding in the first TTI When not transmitting DMRS on the candidate positions DMRS, in the candidate positions DMRS transmitting data information, wherein the candidate The positions DMRS are the positions the Second Type DMRS.

Optionally, the determination unit 10 is institute also particularly useful for the corresponding candidate positions DMRS the first TTI When stating the first kind positions DMRS, the corresponding instruction information of the first TTI is always indicated in the candidate positions DMRS The upper transmission DMRS.

Optionally, the transmission unit 12 is additionally operable to according to the instruction information, corresponding described in the first TTI DMRS described in candidate DMRS location transmissions, wherein the corresponding candidate positions DMRS the first TTI are the Second Type The positions DMRS.

Optionally, the determination unit 10 is additionally operable in first subframe, the TTI in all first subframes The corresponding candidate positions DMRS are the positions first kind DMRS.

Optionally, the determination unit 10, also particularly useful in first subframe, first in first time slot The candidate positions DMRS corresponding with second TTI the corresponding candidate DMRS of a TTI are the same symbol；And in first subframe In, the corresponding candidate DMRS of third TTI in first time slot are corresponding with first TTI in second time slot The candidate positions DMRS be the same symbol；And in first subframe, second TTI pairs in second time slot The candidate positions DMRS corresponding with the third TTI in second time slot the candidate DMRS answered are the same symbol.

Optionally, the corresponding candidate DMRS of first TTI in first time slot that the determination unit 10 determines The candidate positions DMRS corresponding with second TTI are the last symbol or second described of first TTI First symbol of TTI.

The corresponding candidate DMRS of third TTI in first time slot that the determination unit 10 determines and described the The last symbol or described that the corresponding candidate positions DMRS first TTI in one time slot are the third TTI First symbol of first TTI in first time slot.

The corresponding candidate DMRS of second TTI in second time slot that the determination unit 10 determines and described the The corresponding candidate positions DMRS third TTI in two time slots are last of second TTI in second time slot First symbol of a symbol or the third TTI in second time slot.

It is understood that using different types of candidate since information carrying means might have for different TTI The positions DMRS are configured, that is to say, that the different types of candidate positions DMRS are carried out in the different TTI of the first subframe, this If sample, since the candidate positions DMRS may include the positions first kind DMRS (i.e. shared or multiplexing DMRS), that is to say, that At least two TTI can share a candidate position DMRS, so, on the corresponding candidate DMRS of TTI of the first subframe The signaling of transmission DMRS will adapt to reduce, to save pilot-frequency expense.

Embodiment six

As shown in figure 14, a kind of terminal UE provided in an embodiment of the present invention, the UE may include：Receiver 13, transmitter 14, processor 15 and be stored with 15 executable instruction of the processor, the receiver 13 reception data and the hair The storage medium 16 of the data of the transmission of device 14, the receiver 13 and the transmitter 14 is sent to be executed dependent on the processor 15 Operation executes following operation when described instruction is executed by processor 15：

The processor 15, the scheduling information for being received according to the receiver 13 determine in the first subframe and wait dispatching The first Transmission Time Interval TTI, first subframe be long term evolution LTE system in a subframe；And according to described The corresponding candidate positions demodulated reference signal DMRS first TTI described in location determination in first subframe residing for first TTI, The candidate positions DMRS are the positions first kind DMRS or the positions Second Type DMRS.

The transmitter 14, for according to the candidate positions DMRS, information to be transmitted on the first TTI.

Optionally, the processor 15, specifically for being corresponded to by the first TTI that 2 symbols form in first subframe The candidate positions DMRS be the positions the first kind DMRS；And the first TTI being made of 3 symbols in first subframe The corresponding candidate positions DMRS are the positions the Second Type DMRS.

Optionally, the processor 15, also particularly useful for the positions the first kind DMRS be first TTI most The latter symbol, or first symbol for second TTI.

Optionally, the processor 15, also particularly useful for that the positions the Second Type DMRS are the third TTI One symbol.

Optionally, the processor 15, also particularly useful in each time slot of first subframe, described second The corresponding candidate positions DMRS the corresponding candidate DMRS and third TTI of a TTI are the same symbol, are described first The positions type DMRS；In each time slot of first subframe, the corresponding candidate positions DMRS first TTI are The positions the Second Type DMRS.

Optionally, the processor 15, also particularly useful for the positions the first kind DMRS be second TTI most The latter symbol, or first symbol for the third TTI.

Optionally, the processor 15, also particularly useful for that the positions the Second Type DMRS are first TTI One symbol.

Optionally, the transmitter 14 is specifically used for according to the candidate positions DMRS, corresponding on the first TTI The candidate positions DMRS on transmit DMRS.

Optionally, the transmitter 14 is additionally operable to according to the location determination in first subframe residing for the first TTI After the corresponding candidate positions DMRS first TTI, if the first TTI meets first condition, in the candidate DMRS Do not transmit DMRS in position；Wherein, the first condition includes at least following one：

Optionally, instruction information is carried in the scheduling information that the receiver 13 receives, the instruction information is used In indicating whether to transmit DMRS on the corresponding candidate positions DMRS the first TTI.

Optionally, the transmitter 14 is indicated also particularly useful for when the instruction information in the corresponding institutes of the first TTI It states when not transmitting the DMRS on the candidate positions DMRS, does not transmit any information on the candidate positions DMRS, wherein described The candidate positions DMRS are the positions the first kind DMRS.

Optionally, the transmitter 14 is indicated also particularly useful for when the instruction information in the corresponding institutes of the first TTI It states when not transmitting DMRS on the candidate positions DMRS, in the candidate positions DMRS transmitting data information, wherein the candidate The positions DMRS are the positions the Second Type DMRS.

Optionally, the processor 15 is described also particularly useful for the corresponding candidate positions DMRS the first TTI When the first kind positions DMRS, the corresponding instruction information of the first TTI always indicates on the candidate positions DMRS Transmit the DMRS.

Optionally, the transmitter 14 is additionally operable to according to the instruction information, in the corresponding times of the first TTI Select DMRS described in DMRS location transmissions, wherein the corresponding candidate positions DMRS the first TTI are the Second Type The positions DMRS.

Optionally, the processor 15 is additionally operable in first subframe, TTI pairs in all first subframes The candidate positions DMRS answered are the positions first kind DMRS.

Optionally, the processor 15, also particularly useful in first subframe, first in first time slot The candidate positions DMRS corresponding with second TTI the corresponding candidate DMRS of TTI are the same symbol；And in first subframe In, the corresponding candidate DMRS of third TTI in first time slot are corresponding with first TTI in second time slot The candidate positions DMRS be the same symbol；And in first subframe, second TTI pairs in second time slot The candidate positions DMRS corresponding with the third TTI in second time slot the candidate DMRS answered are the same symbol.

Optionally, the processor 15 determine first time slot in the corresponding candidate DMRS of first TTI and The corresponding candidate positions DMRS second TTI are the last symbol of first TTI or second TTI First symbol.

The corresponding candidate DMRS of third TTI and described first in first time slot that the processor 15 determines Last symbol that corresponding candidate positions DMRS first TTI in a time slot are the third TTI or described the First symbol of first TTI in one time slot.

The corresponding candidate DMRS of second TTI and described second in second time slot that the processor 15 determines The corresponding candidate positions DMRS third TTI in a time slot are the last one of second TTI in second time slot First symbol of symbol or the third TTI in second time slot.

In practical applications, processor 15 is specially central processing unit 15 (CPU), microprocessor 15 (MPU), digital signal The realizations such as processor 15 (DSP) or field programmable gate array (FPGA), the storage medium 16, receiver 13 and transmitter 14 can To be connect with processor 15 by system bus 17, wherein storage medium 16 is for storing executable program code, the program generation Code includes computer-managed instruction, and storage medium 16 may include high-speed RAM memory, it is also possible to further include non-volatile memories Device, for example, at least one magnetic disk storage.

It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention Formula.Moreover, the present invention can be used can use storage in the computer that one or more wherein includes computer usable program code The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).

The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.

These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in a box or multiple boxes.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims

1. a kind of information transferring method, which is characterized in that including：

The first Transmission Time Interval TTI to be scheduled in the first subframe, first son are determined according to the scheduling information received Frame is a subframe in long term evolution LTE system；

According to the corresponding candidate demodulation references of the first TTI described in the location determination in first subframe residing for the first TTI The positions signal DMRS, the candidate positions DMRS are the positions first kind DMRS or the positions Second Type DMRS；

2. according to the method described in claim 1, it is characterized in that,

First subframe includes 2 time slots, and 2 time slots include first time slot and second time slot；First son Each time slot in frame includes 3 TTI, and the first TTI is one in 3 TTI, and 3 TTI include first TTI, second TTI and third TTI, 3 TTI are one of the following：

First TTI includes symbol 0 and symbol 1, and second TTI includes symbol 2 and symbol 3, the third TTI Including symbol 4, symbol 5 and symbol 6；Alternatively,

First TTI includes symbol 0, symbol 1 and symbol 2, and second TTI includes 3 and symbol 4, the third TTI includes symbol 5 and symbol 6；

3. according to the method described in claim 2, it is characterized in that,

The corresponding candidate positions DMRS two neighboring TTI in 3 TTI are the positions the first kind DMRS；Described 3 The corresponding candidate positions DMRS remaining TTI in TTI are the positions the Second Type DMRS.

4. according to the method described in claim 2, it is characterized in that, described according to first subframe residing for the first TTI In location determination described in the corresponding candidate positions DMRS the first TTI, including：

The corresponding candidate positions DMRS the first TTI being made of 2 symbols in first subframe are the first kind DMRS Position；

The corresponding candidate positions DMRS the first TTI being made of 3 symbols in first subframe are the Second Type DMRS Position.

5. according to claim 2-4 any one of them methods, which is characterized in that

In each time slot of first subframe, the corresponding candidate DMRS and second TTI of first TTI The corresponding candidate positions DMRS are the same symbol, are the positions the first kind DMRS；

In each time slot of first subframe, the corresponding candidate positions DMRS the third TTI are described second The positions type DMRS.

6. according to the method described in claim 5, it is characterized in that, the corresponding candidate DMRS of first TTI and described The corresponding candidate positions DMRS two TTI are the same symbol, are the positions the first kind DMRS, including：

The positions the first kind DMRS are the last symbol of first TTI, or are the of second TTI One symbol.

7. according to the method described in claim 5, it is characterized in that, the corresponding candidate positions DMRS the third TTI are institute The positions Second Type DMRS are stated, including：

The positions the Second Type DMRS are first symbol of the third TTI.

8. according to claim 2-4 any one of them methods, which is characterized in that

In each time slot of first subframe, the corresponding candidate positions DMRS second TTI and the third The corresponding candidate positions DMRS a TTI are the same symbol, are the positions the first kind DMRS；

In each time slot of first subframe, the corresponding candidate positions DMRS first TTI are described second The positions type DMRS.

9. according to the method described in claim 8, it is characterized in that, the corresponding candidate positions DMRS second TTI and institute It is the same symbol to state the corresponding candidate positions DMRS third TTI, is the positions the first kind DMRS, including：

The positions the first kind DMRS are the last symbol of second TTI, or are the of the third TTI One symbol.

10. according to the method described in claim 8, it is characterized in that, the corresponding candidate positions DMRS first TTI are institute The positions Second Type DMRS are stated, including：

The positions the Second Type DMRS are first symbol of first TTI.

11. according to the method described in claim 2, it is characterized in that,

In first subframe, the corresponding candidate positions DMRS TTI in all first subframes are the first kind The positions DMRS.

12. according to the method for claim 11, which is characterized in that

In first subframe, the corresponding candidate positions DMRS first TTI in first time slot and second TTI The corresponding candidate positions DMRS are the same symbol；

In first subframe, the corresponding candidate positions DMRS third TTI and described second in first time slot The corresponding candidate positions DMRS first TTI in a time slot are the same symbol；

In first subframe, the corresponding candidate positions DMRS second TTI and described second in second time slot The corresponding candidate positions DMRS third TTI in a time slot are the same symbol.

13. according to the method for claim 12, which is characterized in that first TTI in first time slot is corresponding The candidate positions the DMRS candidate positions DMRS corresponding with second TTI are the same symbol, including：

The corresponding candidate positions DMRS first TTI candidate DMRS corresponding with second TTI in first time slot It is set to the last symbol of first TTI or first symbol of second TTI；

Correspondingly, corresponding candidate positions DMRS third TTI in first time slot in second time slot The corresponding candidate positions DMRS first TTI are the same symbol, including：

The corresponding candidate positions DMRS third TTI in first time slot and first in second time slot The corresponding candidate positions DMRS TTI be the third TTI last symbol or in first time slot first First symbol of a TTI；

Correspondingly, corresponding candidate positions DMRS second TTI in second time slot in second time slot The corresponding candidate positions DMRS third TTI are the same symbol, including：

The corresponding candidate positions DMRS second TTI in second time slot and the third in second time slot The corresponding candidate positions DMRS TTI are the last symbol or described second of second TTI in second time slot First symbol of third TTI in a time slot.

14. according to claim 1-4,11-13 any one of them method, which is characterized in that described according to the candidate DMRS Information is transmitted in position on the first TTI, including：

15. according to claim 1-4,11-13 any one of them method, which is characterized in that described according to the first TTI institutes After locating the corresponding candidate positions DMRS the first TTI described in the location determination in first subframe, the method further includes：

If the first TTI meets first condition, DMRS is not transmitted in the candidate positions DMRS；Wherein, described first Part includes at least following one：

The corresponding candidate positions DMRS first TTI are the positions the first kind DMRS, and before the first TTI The corresponding candidate positions DMRS one TTI are the positions the first kind DMRS；

The corresponding candidate positions DMRS first TTI candidate corresponding with the previous TTI of the first TTI The positions DMRS are the same symbol；

16. according to claim 1-4,11-13 any one of them method, which is characterized in that

Instruction information is carried in the scheduling information, the instruction information is used to indicate whether corresponding in the first TTI DMRS is transmitted on the candidate positions DMRS.

17. according to the method for claim 16, which is characterized in that it is described according to the candidate positions DMRS, described the Information is transmitted on one TTI, including：

When instruction information instruction does not transmit the DMRS on the corresponding candidate positions DMRS the first TTI, Any information is not transmitted on the candidate positions DMRS, wherein the candidate positions DMRS are described first kind DMRS It sets.

18. according to the method for claim 16, which is characterized in that it is described according to the candidate positions DMRS, described the Information is transmitted on one TTI, including：

When instruction information instruction does not transmit DMRS on the corresponding candidate positions DMRS the first TTI, in institute State the candidate positions DMRS transmitting data information, wherein the candidate positions DMRS are the positions the Second Type DMRS.

19. according to the method for claim 16, which is characterized in that

When the corresponding candidate positions DMRS first TTI are the positions first kind DMRS, the first TTI is corresponded to The instruction information always indicate to transmit the DMRS on the candidate positions DMRS.

20. according to the method for claim 16, which is characterized in that it is described according to the candidate positions DMRS, described the Information is transmitted on one TTI, including：

According to the instruction information, the DMRS described in the corresponding candidate's DMRS location transmissions of the first TTI, wherein institute It is the positions the Second Type DMRS to state the corresponding candidate positions DMRS the first TTI.

21. a kind of information carrying means, which is characterized in that including：

Determination unit, when the scheduling information for being received according to receiving unit determines the first transmission to be scheduled in the first subframe Between be spaced TTI, first subframe is a subframe in long term evolution LTE system；And according to the first TTI institutes place State the corresponding candidate positions demodulated reference signal DMRS the first TTI described in the location determination in the first subframe, the candidate DMRS Position is the positions first kind DMRS or the positions Second Type DMRS；

22. device according to claim 21, which is characterized in that

23. device according to claim 22, which is characterized in that

24. device according to claim 22, which is characterized in that

The determination unit, specifically for corresponding candidates DMRS of the first TTI being made of 2 symbols in first subframe It is set to the positions the first kind DMRS；And the corresponding candidates of the first TTI being made of 3 symbols in first subframe The positions DMRS are the positions the Second Type DMRS.

25. according to claim 22-24 any one of them devices, which is characterized in that

26. device according to claim 25, which is characterized in that

The determination unit is the last symbol of first TTI also particularly useful for the positions the first kind DMRS, Or first symbol for second TTI.

27. device according to claim 25, which is characterized in that

The determination unit, also particularly useful for first symbol that the positions the Second Type DMRS are the third TTI.

28. according to claim 22-24 any one of them devices, which is characterized in that

The determination unit, also particularly useful in each time slot of first subframe, second TTI is corresponding The candidate positions DMRS and the corresponding candidate positions DMRS the third TTI are the same symbol, are the first kind The positions DMRS；In each time slot of first subframe, the corresponding candidate positions DMRS first TTI are described The positions Second Type DMRS.

29. device according to claim 28, which is characterized in that

The determination unit is the last symbol of second TTI also particularly useful for the positions the first kind DMRS, Or first symbol for the third TTI.

30. device according to claim 28, which is characterized in that

The determination unit, also particularly useful for first symbol that the positions the Second Type DMRS are first TTI.

31. device according to claim 22, which is characterized in that

The determination unit is additionally operable in first subframe, the corresponding candidate DMRS of the TTI in all first subframes Position is the positions first kind DMRS.

32. device according to claim 31, which is characterized in that

The determination unit, also particularly useful in first subframe, in first subframe, in first time slot The corresponding candidate positions DMRS the first TTI candidate positions DMRS corresponding with second TTI are the same symbol；And described In first subframe, in the corresponding candidate positions DMRS third TTI and second time slot in first time slot The corresponding candidate positions DMRS first TTI are the same symbol；And in first subframe, in second time slot The corresponding candidate positions DMRS the second TTI candidate positions DMRS corresponding with the third TTI in second time slot For the same symbol.

33. device according to claim 32, which is characterized in that

The corresponding candidate positions DMRS first TTI in first time slot that the determination unit determines and second First symbol of the last symbol or second TTI that the corresponding candidate positions DMRS TTI are first TTI Number；

The corresponding candidate positions DMRS third TTI and described second in first time slot that the determination unit determines Last symbol that corresponding candidate positions DMRS first TTI in a time slot are the third TTI or described the First symbol of first TTI in one time slot；

The corresponding candidate positions DMRS second TTI and described second in second time slot that the determination unit determines The corresponding candidate positions DMRS third TTI in a time slot are the last one of second TTI in second time slot First symbol of symbol or the third TTI in second time slot.

34. according to claim 21-24,31-33 any one of them device, which is characterized in that

The transmission unit is specifically used for according to the candidate positions DMRS, the corresponding candidate on the first TTI DMRS transmits DMRS on position.

35. according to claim 21-24,31-33 any one of them device, which is characterized in that

The transmission unit is additionally operable to according to the first TTI described in the location determination in first subframe residing for the first TTI After the corresponding candidate positions DMRS, if the first TTI meets first condition, do not transmitted in the candidate positions DMRS DMRS；Wherein, the first condition includes at least following one：

36. according to claim 21-24,31-33 any one of them device, which is characterized in that

Instruction information is carried in the scheduling information that the receiving unit receives, the instruction information is used to indicate whether First TTI transmits DMRS on the corresponding candidate positions DMRS.

37. device according to claim 36, which is characterized in that

The transmission unit is indicated also particularly useful for when the instruction information in the corresponding candidate DMRS of the first TTI When not transmitting the DMRS on position, any information is not transmitted on the candidate positions DMRS, wherein candidate DMRS It is set to the positions the first kind DMRS.

38. device according to claim 36, which is characterized in that

The transmission unit is indicated also particularly useful for when the instruction information in the corresponding candidate DMRS of the first TTI When not transmitting DMRS on position, in the candidate positions DMRS transmitting data information, wherein the candidate positions DMRS are institute State the positions Second Type DMRS.

39. device according to claim 36, which is characterized in that

The determination unit is the first kind also particularly useful for the corresponding candidate positions DMRS the first TTI When the positions DMRS, the corresponding instruction information of the first TTI always indicates on the candidate positions DMRS described in transmission DMRS。

40. device according to claim 36, which is characterized in that

The transmission unit is additionally operable to, according to the instruction information, pass in the corresponding candidate positions DMRS the first TTI The defeated DMRS, wherein the corresponding candidate positions DMRS the first TTI are the positions the Second Type DMRS.

41. a kind of terminal UE, which is characterized in that including：Receiver, transmitter, processor and be stored with the processor can Execute instruction, the data of the reception of the receiver and the transmitter send data storage medium, the receiver and The transmitter executes operation dependent on the processor, when described instruction is executed by processor, executes following operation：

The processor, the scheduling information for being received according to the receiver determine the first biography to be scheduled in the first subframe Defeated time interval TTI, first subframe are a subframe in long term evolution LTE system；And according to the first TTI institutes Locate the corresponding candidate positions demodulated reference signal DMRS the first TTI described in the location determination in first subframe, the candidate The positions DMRS are the positions first kind DMRS or the positions Second Type DMRS；

42. UE according to claim 41, which is characterized in that

43. UE according to claim 42, which is characterized in that

44. UE according to claim 42, which is characterized in that

The processor, specifically for the corresponding candidate positions DMRS the first TTI being made of 2 symbols in first subframe For the positions the first kind DMRS；And the corresponding candidate DMRS of the first TTI being made of 3 symbols in first subframe Position is the positions the Second Type DMRS.

45. according to claim 42-44 any one of them UE, which is characterized in that

46. UE according to claim 45, which is characterized in that

The processor, also particularly useful for the last symbol that the positions the first kind DMRS are first TTI, or Person is first symbol of second TTI.

47. UE according to claim 45, which is characterized in that

The processor, also particularly useful for first symbol that the positions the Second Type DMRS are the third TTI.

48. according to claim 42-44 any one of them UE, which is characterized in that

The processor, also particularly useful in each time slot of first subframe, the corresponding time of second TTI It is the same symbol to select the positions DMRS and the corresponding candidate positions DMRS the third TTI, is the first kind DMRS Position；In each time slot of first subframe, the corresponding candidate positions DMRS first TTI are described second The positions type DMRS.

49. UE according to claim 48, which is characterized in that

The processor, also particularly useful for the last symbol that the positions the first kind DMRS are second TTI, or Person is first symbol of the third TTI.

50. UE according to claim 48, which is characterized in that

The processor, also particularly useful for first symbol that the positions the Second Type DMRS are first TTI.

51. UE according to claim 42, which is characterized in that

The processor is additionally operable in first subframe, corresponding candidates DMRS of the TTI in all first subframes It is the positions first kind DMRS to set.

52. UE according to claim 51, which is characterized in that

The processor, also particularly useful in first subframe, in first subframe, in first time slot The corresponding candidate positions DMRS the one TTI candidate positions DMRS corresponding with second TTI are the same symbol；And described In one subframe, corresponding candidate positions DMRS third TTI in first time slot and the in second time slot The corresponding candidate positions DMRS one TTI are the same symbol；And in first subframe, in second time slot The corresponding candidate positions DMRS the second TTI candidate positions DMRS corresponding with the third TTI in second time slot are The same symbol.

53. UE according to claim 52, which is characterized in that

The corresponding candidate positions DMRS first TTI in first time slot that the processor determines and second TTI The corresponding candidate positions DMRS are the last symbol of first TTI or first symbol of second TTI；

The corresponding candidate positions DMRS third TTI in first time slot that the processor determines and described second The last symbol or described first that the corresponding candidate positions DMRS first TTI in time slot are the third TTI First symbol of first TTI in a time slot；

The corresponding candidate positions DMRS second TTI in second time slot that the processor determines and described second The last one symbol that the corresponding candidate positions DMRS third TTI in time slot are second TTI in second time slot Number or third TTI in second time slot first symbol.

54. according to claim 41-44,51-53 any one of them UE, which is characterized in that

The transmitter is specifically used for according to the candidate positions DMRS, the corresponding candidate DMRS on the first TTI DMRS is transmitted on position.

55. according to claim 41-44,51-53 any one of them UE, which is characterized in that

The transmitter is additionally operable to according to the first TTI pairs described in the location determination in first subframe residing for the first TTI After the candidate positions DMRS answered, if the first TTI meets first condition, do not transmitted in the candidate positions DMRS DMRS；Wherein, the first condition includes at least following one：

56. according to claim 41-44,51-53 any one of them UE, which is characterized in that

Instruction information is carried in the scheduling information that the receiver receives, the instruction information is used to indicate whether in institute It states and transmits DMRS on the corresponding candidate positions DMRS the first TTI.

57. UE according to claim 56, which is characterized in that

The transmitter is indicated also particularly useful for when the instruction information in corresponding candidates DMRS of the first TTI It sets when not transmitting the DMRS, does not transmit any information on the candidate positions DMRS, wherein the candidate positions DMRS For the positions the first kind DMRS.

58. UE according to claim 56, which is characterized in that

The transmitter is indicated also particularly useful for when the instruction information in corresponding candidates DMRS of the first TTI It sets when not transmitting DMRS, in the candidate positions DMRS transmitting data information, wherein the candidate positions DMRS are described The positions Second Type DMRS.

59. UE according to claim 56, which is characterized in that

The processor is the first kind DMRS also particularly useful for the corresponding candidate positions DMRS the first TTI When position, the corresponding instruction information of the first TTI always indicates to transmit the DMRS on the candidate positions DMRS.

60. UE according to claim 56, which is characterized in that

The transmitter is additionally operable to according to the instruction information, in the corresponding candidate's DMRS location transmissions of the first TTI The DMRS, wherein the corresponding candidate positions DMRS the first TTI are the positions the Second Type DMRS.