CN109150476A

CN109150476A - The output method of feedback information, the output method of notification information and Related product

Info

Publication number: CN109150476A
Application number: CN201710504092.0A
Authority: CN
Inventors: 王三新
Original assignee: Shenzhen Jinli Communication Equipment Co Ltd
Current assignee: Shenzhen Jinli Communication Equipment Co Ltd
Priority date: 2017-06-27
Filing date: 2017-06-27
Publication date: 2019-01-04

Abstract

The embodiment of the invention discloses a kind of output methods of feedback information, the output method and Related product of notification information, wherein the output method of feedback information includes: that terminal device obtains target format instruction NFI field；Whether updated according to the structure of time slot that the target NFI field determines that base station uses；The structure of time slot that the base station uses has updated, and in the case that the information for being used to indicate the updated structure of time slot in the base station has not been obtained in the terminal device, feedback information is sent to the base station, to notify terminal device described in the base station has not been obtained to be used to indicate the information of the updated structure of time slot in the base station.Using the output method of the feedback information, can reduce terminal device can not obtain performance loss brought by structure of time slot.

Description

The output method of feedback information, the output method of notification information and Related product

Technical field

The present invention relates to field of communication technology more particularly to a kind of outputs of the output method of feedback information, notification information Method and Related product.

Background technique

With the swift and violent growth of mobile communication business, in order to provide a user more good Internet resources, meet more The application demand of usage scenario and higher rate has entered the 5th generation communication technology (5th- to the research of mobile communication technology Generation, 5G) epoch.5G is a kind of communication of multi-technical fusion, is met by the change and innovation of technology extensively Data, connect business demand.And for 3G (Third Generation) Moblie partnership projects (Third Generation Partnership Project, 3GPP), the research for 5G key technology also becomes the emphasis in 3GPP standardization effort. 3GPP defines three large scenes of 5G technology: enhanced wireless broadband (Enhanced Mobile Broadband, eMBB), low Time delay high reliable communication (Ultra-reliable Low-latency Communications, URLLC) and large-scale machines class Type communicates (Massive Machine Type Communications, mMTC).

Among three large scenes of above-mentioned 5G technology, eMBB technology is mainly carried: the big flows such as 3D/ ultra high-definition video are mobile Broadband services；MMTC technology mainly carries: extensive internet of things service；URLLC technology mainly carries: such as unmanned, industrial Automation etc. needs the business of low time delay, highly reliable connection.Demand in this three large scene, i.e., highly reliable, low time delay, large capacity Etc. characteristics also become the demand and goal in research of 5G technology.

Dynamic time division duplex (Time Division is supported in 5G communication system, between base station and terminal device Duplex, TDD) time slot configuration, but user equipment how to be made to know dynamic TDD time-frequency configuration like clockwork, to subtract It is small to obtain performance loss brought by time slot configuration and be a problem to be solved.

Summary of the invention

The embodiment of the present invention provides a kind of output method of feedback information, the output method of notification information and Related product side Method, can reduce terminal device can not obtain performance loss brought by structure of time slot.

First aspect of the embodiment of the present invention discloses a kind of output method of feedback information, comprising:

Terminal device obtains target format and indicates NFI field；

Whether updated according to the structure of time slot that the target NFI field determines that base station uses；

The structure of time slot that the base station uses has updated, and the terminal device has not been obtained and is used to indicate the base station more In the case where the information of structure of time slot after new, feedback information is sent to the base station, to notify terminal described in the base station to set It is standby that the information for being used to indicate the updated structure of time slot in the base station has not been obtained.

Second aspect of the embodiment of the present invention discloses a kind of output method of notification information, comprising:

Base station sends the information for being used to indicate the updated structure of time slot in the base station to terminal device；

The notification information comprising target format instruction NFI field, the target NFI field are sent to the terminal device The structure of time slot for being used to indicate the base station has updated.

The third aspect of the embodiment of the present invention discloses a kind of terminal device, comprising:

Acquiring unit, for obtaining target format instruction NFI field；

Whether the first determination unit, the structure of time slot for determining that base station uses according to the target NFI field update；

Transmission unit, the structure of time slot used for the base station has updated, and the terminal device has not been obtained and is used for In the case where the information for indicating the updated structure of time slot in the base station, feedback information is sent to the base station, described in notice The information for being used to indicate the updated structure of time slot in the base station has not been obtained in terminal device described in base station.

Fourth aspect of the embodiment of the present invention discloses a kind of base station, comprising:

First transmission unit, for sending the letter for being used to indicate the updated structure of time slot in the base station to terminal device Breath；

Second transmission unit, for sending the notice letter comprising target format instruction NFI field to the terminal device Breath, the structure of time slot that the target NFI field is used to indicate the base station have updated.

The 5th aspect of the embodiment of the present invention discloses a kind of terminal device, and the terminal device includes: transceiver, processor And memory, in which:

The memory is for storing computer program；

The processor executes described in above-mentioned first aspect for reading the computer program stored in the memory Method.

The 6th aspect of the embodiment of the present invention discloses a kind of base station, and the base station includes: transceiver, processor and storage Device, in which:

The memory is for storing computer program；

The processor executes described in above-mentioned second aspect for reading the computer program stored in the memory Method.

The 7th aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, and the computer storage medium is deposited Computer program is contained, the computer program includes program instruction, and described program instruction makes described when being executed by a processor Processor executes method described in above-mentioned first aspect.

Eighth aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, and the computer storage medium is deposited Computer program is contained, the computer program includes program instruction, and described program instruction makes described when being executed by a processor Processor executes method described in above-mentioned second aspect.

In the embodiment of the present invention, the feelings for being used to indicate the information of the updated structure of time slot in base station are had not been obtained in terminal device Under condition, whether updated according to the structure of time slot that format indicates that NFI field determines that base station uses, if updating, is sent to base station Feedback information is so that base station sends the information for being used to indicate updated structure of time slot to the terminal device again, to obtain in time Know updated structure of time slot, reduction can not obtain performance loss brought by structure of time slot.

Detailed description of the invention

Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of schematic diagram of communication system applications scene disclosed by the embodiments of the present invention；

Fig. 2 is a kind of flow diagram of the output method of feedback information disclosed by the embodiments of the present invention；

Fig. 3 A is the flow diagram of the output method of another feedback information disclosed by the embodiments of the present invention；

Fig. 3 B is a kind of schematic diagram of structure of time slot disclosed by the embodiments of the present invention；

Fig. 4 is a kind of flow diagram of the output method of notification information disclosed by the embodiments of the present invention；

Fig. 5 is the flow diagram of the output method of another notification information disclosed by the embodiments of the present invention；

Fig. 6 A is a kind of interaction schematic diagram of base station and terminal device disclosed by the embodiments of the present invention；

Fig. 6 B is the interaction schematic diagram of another base station and terminal device disclosed by the embodiments of the present invention；

Fig. 7 is a kind of structural schematic block diagram of terminal device disclosed by the embodiments of the present invention；

Fig. 8 is the structural schematic block diagram of another terminal device disclosed by the embodiments of the present invention；

Fig. 9 is a kind of entity structure schematic diagram of terminal device disclosed by the embodiments of the present invention；

Figure 10 is a kind of structural schematic block diagram of base station disclosed by the embodiments of the present invention；

Figure 11 is the structural schematic block diagram of another base station disclosed by the embodiments of the present invention；

Figure 12 is a kind of entity structure schematic diagram of base station disclosed by the embodiments of the present invention.

Specific embodiment

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

It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded Body, step, operation, the presence or addition of element, component and/or its set.

It is also understood that mesh of the term used in this description of the invention merely for the sake of description specific embodiment And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.

It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.

As used in this specification and in the appended claims, term " if " can be according to context quilt Be construed to " when ... " or " once " or " in response to determination " or " in response to detecting ".Similarly, phrase " if it is determined that " or " if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".

Referring to Fig. 1, Fig. 1 is a kind of schematic diagram of communication system applications scene disclosed by the embodiments of the present invention.The communication System can apply LTE network or 5G network.As shown in Figure 1, terminal device by evolved base station (evolved Node B, ENB) Access Core Network realizes sending and receiving for data by interacting with eNB.In 5G system, base station can be with For the base station 5G gNB.

Above-mentioned terminal device can be mobile phone, intelligent terminal, multimedia equipment and stream media equipment etc., and the embodiment of the present invention is not It limits.And above-mentioned eNB be in LTE network after terminal device and evolution packet-based core networks (Evolved Packet Core, EPC the bridge between) is attached between eNB by X2 interface, and major function has: wireless resource management, network interconnection association Discuss the mobility management entity when compression of (Internet Protocol, IP) head and user data stream encryption, terminal device attachment (Mobility Management Entity, MME) selection, routing user face data to gateway (Serving Gateway, S-GW), the tissue of paging message and transmission, the tissue of broadcast message and transmission, for the purpose of mobility or scheduling Measurement and measurement report configuration etc..

The time slot configuration of dynamic TDD can be supported between base station and terminal device, in order to promote the transmission of control signaling Efficiency, can be by user group common physical down control channel (Group Common PDCCH, GC-PDCCH) to one group of use Family Broadcasting Control signaling.By GC-PDCCH, base station can notify structure of time slot information corresponding user (i.e. logical with base station The terminal device of letter), while other information can also be broadcasted, such as downlink data initial position and control letter in each time slot The blind examination range in road etc..Therefore, GC-PDCCH plays a significant role sending and receiving for user data.

However, terminal device can not be known if terminal device can not receive GC-PDCCH or receive GC-PDCCH mistake The updated structure of time slot in base station, to influence sending and receiving for terminal device data.

Referring to Fig. 2, Fig. 2 is a kind of flow diagram of the output method of feedback information disclosed by the embodiments of the present invention. The output method of the feedback information of the embodiment of the present invention can be executed by the terminal device that user uses, wherein feedback shown in Fig. 2 The output method of information may comprise steps of:

201, it obtains target format and indicates NFI field.

In the embodiment of the present invention, format indicates that (New Format Indication, NFI) field is arranged simultaneously by base station It is transmitted to terminal device, to indicate whether the structure of time slot of base station updates.As an alternative embodiment, terminal device The Downlink Control Information (Downlink Control Information, DCI) that base station is sent is received, parses the DCI to obtain Above-mentioned target NFI field.The DCI can be descending scheduling DCI, be also possible to uplink scheduling DCI.

202, whether updated according to the structure of time slot that target NFI field determines that base station uses.

As an alternative embodiment, NFI field can indicate that the structure of time slot of base station has occurred more by overturning Newly.In this case, after terminal device obtains target NFI field, target NFI field and terminal device last time are obtained The history NFI field got compares, if target NFI field is overturn compared to history NFI field, it is determined that base station The structure of time slot of use has updated.For example, in current subframe, base station is transferred to the descending scheduling DCI of terminal device In, NFI=1, base station has updated structure of time slot and the information for being used to indicate updated structure of time slot is sent to terminal later Equipment sets 0 for NFI in the descending scheduling DCI of subsequent subframe.

As an alternative embodiment, if NFI field is 1, then it represents that the structure of time slot of base station has updated；If NFI Field is 0, then it represents that the structure of time slot of base station does not update.In this case, terminal device is parsed from descending scheduling DCI After target NFI field, if target NFI field is 1, it is determined that the structure of time slot that base station uses has updated；If target NFI field It is 0, it is determined that the structure of time slot that base station uses does not update.

203, base station use structure of time slot updated, and terminal device have not been obtained be used to indicate base station it is updated when In the case where the information of gap structure, feedback information is sent to the base station.

In the embodiment of the present invention, base station can be used to indicate base station to terminal device transmission after having updated structure of time slot The information of updated structure of time slot.As an alternative embodiment, the information can be the public physical down control of user group Channel (Group Common PDCCH, GC-PDCCH) processed contains the updated structure of time slot in base station in GC-PDCCH, removes this Except, it may also include the downlink data initial position in each time slot, blind examination range of control channel etc. and terminal device helped to exist The information of data is correctly sent/received in the application scenarios of dynamic TDD.

In the embodiment of the present invention, if terminal device does not receive the above-mentioned letter for being used to indicate the updated structure of time slot in base station Breath, or to the information reception error, then the letter for being used to indicate the updated structure of time slot in base station has not been obtained in terminal device determination Breath.As an alternative embodiment, the information for being used to indicate the updated structure of time slot in base station has not been obtained in terminal device, It can be terminal device when carrying out blind examination to the subframe received from base station, GC-PDCCH be not detected, alternatively, terminal device is not Structure of time slot relevant information (Slot Format Related Information, SFI) is decoded from GC-PDCCH.

In the embodiment of the present invention, the structure of time slot that base station uses has updated, and terminal device has not been obtained and is used to indicate base In the case where the information of updated structure of time slot of standing, terminal device sends feedback information to the base station, to notify base station, this end The information for being used to indicate the updated structure of time slot in base station has not been obtained in end equipment.As an alternative embodiment, terminal Equipment does not send upstream data after the uplink scheduling DCI for receiving base station transmission, upper indicated by the uplink scheduling DCI Row scheduling resource in base station send particular sequence, with notify this terminal device of base station have not been obtained be used to indicate base station update after Structure of time slot information.Wherein, above-mentioned particular sequence can identify the identity of terminal device, thus base station can be specific according to this Sequence determines the information for being used to indicate the updated structure of time slot in base station which terminal device be sent to.As a kind of optional Embodiment, above-mentioned particular sequence can be demodulated reference signal (Demodulation Reference Signal, DMRS) or spy It surveys reference symbol (Sounding Reference Symbol, SRS).

As an alternative embodiment, if the update has not been obtained when base station carries out descending scheduling in terminal device Structure of time slot afterwards, then terminal device waits base station to send uplink scheduling DCI, and the uplink tune indicated by uplink scheduling DCI It spends in resource and sends the particular sequence to base station.

Specifically, terminal device, can be in the upper of uplink scheduling resource when sending particular sequence in uplink scheduling resource Row sign bit sends above-mentioned particular sequence.

It specifically, can uplink scheduling resource be most again when terminal device sends particular sequence in uplink scheduling resource The latter sign bit sends above-mentioned particular sequence.In this way, base station is in the uplink scheduling for receiving terminal device transmission When resource, the data of last symbol position can be accurately obtained, to get above-mentioned particular sequence.

It can be seen that terminal device can be in time to base station feedback using the output method of feedback information described in Fig. 2 The updated structure of time slot in base station is not obtained, and structure of time slot information is retransmitted to terminal device to trigger base station, reduces terminal and sets It is standby to obtain performance loss brought by structure of time slot.

Fig. 3 A is please referred to, Fig. 3 A is the process signal of the output method of another feedback information disclosed by the embodiments of the present invention Figure.The output method of the feedback information of the embodiment of the present invention can be executed by the terminal device that user uses.As shown in Figure 3A, this is anti- The output method of feedforward information may include steps of:

301, the Downlink Control Information DCI that parsing base station is sent is to obtain target NFI field.

In the embodiment of the present invention, format indicates that (New Format Indication, NFI) field is arranged simultaneously by base station It is transmitted to terminal device, to indicate whether the structure of time slot of base station updates.The DCI can be descending scheduling DCI, can also be with It is uplink scheduling DCI.

302, whether updated according to the structure of time slot that target NFI field determines that base station uses.

303, the structure of time slot that base station uses has updated, and terminal device gets GC-PDCCH not successfully, then terminal is set It is standby to send feedback information to the base station to notify base station terminal equipment has not been obtained to be used to indicate the updated structure of time slot in base station Information.

As an alternative embodiment, terminal device is not sent out after the uplink scheduling DCI for receiving base station transmission Upstream data is sent, particular sequence is sent to base station in uplink scheduling resource, is used for notifying base station terminal equipment to have not been obtained Indicate the information of the updated structure of time slot in base station.

304, descending scheduling DCI is received, the structure of time slot of at least one subframe of descending scheduling DCI scheduling is revised as Baseline configuration configures at least one subframe of storage descending scheduling DCI scheduling according to the uplink and downlink timeslot of baseline configuration One downlink symbol data.

In the embodiment of the present invention, updated in the structure of time slot that terminal device determines that base station uses, and unknown base station updates In the case where structure of time slot afterwards, the structure of time slot for receiving data is revised as baseline configuration by terminal device, and baseline configuration can also When referred to as default configuration, i.e. terminal device can not obtain correct structure of time slot, default uses the structure of time slot.Terminal device root The data received are saved according to the uplink and downlink timeslot configuration of baseline configuration, these data received in baseline configuration will For being merged with subsequently received retransmission data when being decoded to data, to promote the decoded accuracy rate of data.

In the embodiment of the present invention, descending scheduling DCI can only dispatch current subframe, after can also dispatching current subframe At least one subframe, therefore, terminal device can determine the subframe for needing to be revised as baseline configuration according to descending scheduling DCI.? That is then the structure of time slot of current subframe is revised as baseline by terminal device when descending scheduling DCI only dispatches current subframe Structure；If descending scheduling DCI scheduled two or more subframes, terminal device dispatch descending scheduling DCI two Or the structure of time slot of more than two subframes is revised as baseline configuration.

Fig. 3 B is please referred to, Fig. 3 B is a kind of schematic diagram of structure of time slot disclosed by the embodiments of the present invention.It is exemplary in Fig. 3 B Ground shows 5 kinds of structure of time slot, respectively format 1 (Format 1)~format 5 (Format 5).It is appreciated that actual In communication system, structure of time slot is not limited to structure of time slot in 5 shown in Fig. 3 B.Terminal device can be as needed, by Format Any one structure of time slot in 1~Format 5 is determined as baseline configuration.For example, if the data volume phase of expected uplink and downlink At that time, Format 3 may be selected and is used as baseline configuration, because Format 3 is more balanced for the processing of uplink and downlink data；And Format 1 lays particular emphasis on the reception of downlink data, and the data storage capacity for being likely to result in terminal device is larger；If selection Format 4 or Format 5 is used as baseline configuration, then the data of terminal device storage are less, in subsequent and repeating transmission that is receiving When data merge, the decoding accuracy rate for improving data is helped lower.

In the embodiment of the present invention, above-mentioned first downlink symbol data are to be dispatched according to baseline configuration from descending scheduling DCI At least one the downlink symbol data obtained at least one subframe.For example, if baseline configuration is Format 3, and downlink One subframe of DCI current scheduling is dispatched, then the first downlink symbol data are the two downlink symbol numbers obtained from the subframe According to.

305, the negative confirmation NACK of at least one above-mentioned subframe is sent to base station in feedback slot.

As an alternative embodiment, terminal device can be sent in the last symbol position of feedback slot to base station The negative confirmation NACK of at least one above-mentioned subframe.

For example, the last symbol of each structure of time slot is uplink symbol in 5 kinds of structure of time slot shown in Fig. 3 B Number, terminal device can be in last symbol feeding back ACK/NACK of current subframe.Certainly, specific feedback slot and anti- Feedback symbol is not limited thereto.

In the embodiment of the present invention, since terminal device handles the data received using baseline configuration, it is likely to result in number According to reception mistake, thus need to send the negative confirmation NACK of at least one above-mentioned subframe to base station, to obtain correctly Structure of time slot after receive base station repeating transmission at least one subframe, thus correctly carry out data decoding.

306, the PDCCH that base station is sent is received, the PDCCH includes structure of time slot relevant information SFI.The PDCCH is At least one of in following: GC-PDCCH, the dedicated PDCCH of the terminal device.

In the embodiment of the present invention, after the feedback information for receiving terminal device transmission, base station can be according to particular sequence DCI in the dedicated PDCCH of the terminal device sent to terminal device, the dedicated PDCCH of the terminal device includes structure of time slot Relevant information SFI；As an alternative embodiment, base station can also retransmit GC-PDCCH, to notify terminal device base station Updated structure of time slot.

307, the PDCCH is parsed to obtain structure of time slot relevant information SFI.

308, the updated structure of time slot in base station is determined according to SFI, base station is received according to the updated structure of time slot in base station The the second downlink symbol data at least one subframe retransmitted.

In the embodiment of the present invention, base station can retransmit downlink to terminal device to before terminal device retransmission data DCI is dispatched, to reschedule at least one subframe, above-mentioned second downlink symbol data are at least one subframe rescheduled At least one downlink symbol data.For example, if base station has rescheduled a subframe, terminal by descending scheduling DCI It is Format 2 that equipment, which obtains the updated structure of time slot in base station, and said one retransmitted base station is received according to Format 2 Frame can then obtain three downlink symbol data.

309, merge the first downlink symbol data and the second downlink symbol data to carry out data decoding, or abandon at least Part the first downlink symbol data.

In the embodiment of the present invention, terminal device receives base station according to the updated structure of time slot in base station of acquisition again and sends At least one subframe, get the second downstream data at least one subframe, will be under the first downlink symbol data and second Row symbol data merges, and the decoding to decode out data, and after being merged according to data is as a result, determine mixed automatic retransfer (Hybrid Automatic Repeat Request, HARQ) result.Although in first downstream data, in the first subframe Data acquisition obtains may not exclusively, but information content wherein included can help to improve the decoded accuracy of data.

It can be seen that terminal device can not obtain base station more to base station feedback in time using method described in Fig. 3 A Structure of time slot after new retransmits structure of time slot information to terminal device to trigger base station, when reducing terminal device can not obtain Performance loss brought by gap structure.

Referring to Fig. 4, Fig. 4 is a kind of flow diagram of the output method of notification information disclosed by the embodiments of the present invention. Method described in Fig. 4 can be applied to base station, such as eNB, gNB described in Fig. 1 etc..Method described in Fig. 4 can wrap Include following steps:

401, the information for being used to indicate the updated structure of time slot in base station is sent to terminal device.

In the embodiment of the present invention, after base station has updated structure of time slot, base station is used to indicate to terminal device transmission and is updated The information of structure of time slot afterwards.

As an alternative embodiment, the above-mentioned information for being used to indicate the updated structure of time slot in base station can be user The public Physical Downlink Control Channel (Group Common PDCCH, GC-PDCCH) of group.

402, the notification information comprising target format instruction NFI field is sent to terminal device, target NFI field is used for Indicate that the structure of time slot of base station has updated.

In the embodiment of the present invention, base station is configured above-mentioned target NFI after having updated structure of time slot.As one Kind optional embodiment, in the updated situation of the structure of time slot of base station, base station obtains the last time and is sent to terminal device History NFI field overturns history NFI field to obtain target NFI field.

As an alternative embodiment, in the updated situation of the structure of time slot of base station, base station is by target NFI field It is set as 1；In the case that structure of time slot in base station does not update, base station sets 0 for target NFI.

It, can be by NFI by the above-mentioned description to NFI field it is found that terminal device is after getting NFI field Field is identified, determines whether the structure of time slot of base station updates.

It is indicated as an alternative embodiment, base station can be sent to terminal device comprising above-mentioned target format (New Format Indication, NFI) field Downlink Control Information (Downlink Control Information, DCI).The DCI can be descending scheduling DCI, be also possible to uplink scheduling DCI.

It can be seen that using method described in Fig. 4, base station can by NFI field signals terminal device, base station when Gap structure has updated.

Referring to Fig. 5, Fig. 5 is the process signal of the output method of another notification information disclosed by the embodiments of the present invention Figure.Method described in Fig. 5 can be applied to base station, such as eNB, gNB described in Fig. 1 etc..Method described in Fig. 5 can be with The following steps are included:

501, after having updated structure of time slot, GC-PDCCH is sent to terminal device.

In the embodiment of the present invention, base station sends GC-PDCCH after having updated structure of time slot, to terminal device to notify The updated structure of time slot of terminal device.

502, the notification information comprising target format instruction NFI field is sent to terminal device, target NFI field is used for Indicate that the structure of time slot of base station has updated.

It is indicated as an alternative embodiment, base station can be sent to terminal device comprising above-mentioned target format (New Format Indication, NFI) field Downlink Control Information (Downlink Control Information, DCI).The DCI can be descending scheduling DCI, be also possible to uplink scheduling DCI.If the DCI is descending scheduling DCI, institute It states descending scheduling DCI and dispatches the resource of at least one subframe for bearing downlink scheduling data.

503, the particular sequence that receiving terminal apparatus is sent.

In the embodiment of the present invention, if terminal device obtains GC-PDCCH, but the target NFI field by getting not successfully It, can be by sending particular sequence in uplink scheduling resource to base station, to request base when learning that the structure of time slot of base station has updated It stands and retransmits the information comprising the updated structure of time slot in base station to this terminal device.Therefore, above-mentioned particular sequence can identify The identity of terminal device, base station can be determined according to particular sequence which terminal device need to retransmit base station it is updated when The information of gap structure.As an alternative embodiment, above-mentioned particular sequence can be demodulated reference signal (Demodulation Reference Signal, DMRS) or sounding reference symbol (Sounding Reference Symbol, SRS).

504, according to particular sequence to terminal device sending time slots structurally interrelated information SFI.

Particular sequence is received if going to the station to meet somebody, illustrates that terminal device is not successfully decoded GC-PDCCH and obtains the SFI, Therefore, base station needs to notify SFI described in terminal device again.Due to being the terminal device retransmitted to SFI has not been obtained, because This, base station can send the SFI by the dedicated PDCCH of the terminal device.Certainly, being also not excluded for base station can pass through GC-PDCCH retransmits the SFI.The SFI is carried in GC-PDCCH, the dedicated PDCCH of the terminal device at least One.That is, the SFI may include in the descending scheduling DCI in GC-PDCCH, the dedicated PDCCH of terminal device.

In embodiments of the present invention, base station can also retransmit the descending scheduling data.

In the embodiment of the present invention, base station receive terminal device transmission the upload control resource comprising particular sequence it Afterwards, being sent according to particular sequence to terminal device includes structure of time slot relevant information (Slot Format Related Information, SFI) descending scheduling DCI and the descending scheduling DCI scheduling descending scheduling data so that terminal device Data can be properly received according to the updated structure of time slot in base station.

It can be seen that base station can be whole by NFI field signals using the output method of notification information described in Fig. 5 The structure of time slot of end equipment base station has updated, and base station can be according to the feedback information of terminal device in time to terminal device weight The information for sending out structure of time slot, to reduce terminal device since performance loss brought by structure of time slot can not be obtained.

The embodiment that is interacted with terminal device below by way of two base stations illustrates described in above-mentioned Fig. 2~Fig. 5 Method.Please refer to Fig. 6 A, Fig. 6 A is a kind of interaction schematic diagram of base station and terminal device disclosed by the embodiments of the present invention, in Fig. 6 A Include the following steps:

601, in subframe M, structure of time slot is updated to Format 2 from Format 1 by base station, and by GC-PDCCH to Terminal device K in the group of family sends updated structure of time slot Format 2.

In the embodiment of the present invention, above-mentioned structure of time slot Format 1 and Format 2 can refer to structure shown in Fig. 3 B. By Fig. 3 B it is found that including the data of three downlink symbols in Format 2, therefore, terminal device K is needed when receiving subframe M To retain the wherein data of three downlink symbols according to Format 2 and the data of these three downlink symbols are decoded, side Data receiver can correctly be carried out.

602, terminal device K receives GC-PDCCH failure.

Since terminal device K receives GC-PDCCH failure, then terminal device K fails to know that structure of time slot is updated to by base station Format 2。

603, due to having updated structure of time slot, base station is provided with NFI field, sends to terminal device K comprising NFI field Descending scheduling DCI.

In the embodiment of the present invention, NFI field is carried out turning operation by base station, to indicate that base station has updated structure of time slot.

604, terminal device K demodulates descending scheduling DCI and determines that base station has updated structure of time slot according to NFI field later.

After getting NFI field, what the NFI field and last time that terminal device K will acquire were got from base station NFI field is compared, and discovery NFI field is overturn, it is determined that base station has updated structure of time slot.

605, due to having not been obtained to the updated structure of time slot in base station, structure of time slot is revised as baseline knot by terminal device K Structure Format 3 saves the data of two downlink symbols according to Format 3.

606, in subframe N, base station sends uplink scheduling DCI to terminal device K.

607, after terminal device K receives uplink scheduling DCI, upstream data is not sent, in the last of uplink scheduling resource One symbol sends particular sequence to base station.

608, after base station gets above-mentioned particular sequence, pass through the descending scheduling of terminal device K in next scheduling subframe DCI retransmits time slot relevant information SFI to terminal device K.

609, the descending scheduling DCI that terminal device K parsing receives obtains the updated structure of time slot Format 2 in base station, root The data that three downlink symbols in the data frame that base station is retransmitted are received according to Format 2, with previously stored two downlink symbols Data merging is decoded.

It can be clearly seen that terminal device has not been obtained by the interactive process of base station shown in Fig. 6 A and terminal device In the case where the information for being used to indicate the updated structure of time slot in base station, indicate that NFI field determines that base station uses according to format Structure of time slot whether update, if update, to base station send feedback information so that base station again to the terminal device send use In the information for indicating updated structure of time slot, so that the updated structure of time slot of timely learning, reduction can not obtain time slot knot Performance loss brought by structure.

Fig. 6 B is please referred to, Fig. 6 B is the interaction schematic diagram of another base station and terminal device disclosed by the embodiments of the present invention, Include the following steps: in Fig. 6 B

611, in subframe M, structure of time slot is updated to Format 4 from Format 1 by base station, and by GC-PDCCH to Terminal device K in the group of family sends updated structure of time slot Format 4.

In the embodiment of the present invention, above-mentioned structure of time slot Format 1 and Format 4 can refer to structure shown in Fig. 3 B. By Fig. 3 B it is found that including the data of a downlink symbol in Format 4, therefore, terminal device K is needed when receiving subframe M To retain the data of one of downlink symbol according to Format 4 and the data of this downlink symbol are decoded, side Data receiver can correctly be carried out.

612, terminal device K receives GC-PDCCH failure.

Since terminal device K receives GC-PDCCH failure, then terminal device K fails to know, base station updates structure of time slot For Format 4.

613, due to having updated structure of time slot, base station is provided with NFI field, sends to terminal device K comprising NFI field Descending scheduling DCI.

614, terminal device K demodulates descending scheduling DCI and determines that base station has updated structure of time slot according to NFI field later.

615, due to having not been obtained to the updated structure of time slot in base station, structure of time slot is revised as baseline knot by terminal device K Structure Format 3, according to the uplink and downlink timeslot structure of Format 3 save two downlink symbols data, due to base station with Format4 issues data, then terminal device K actually save be a downlink symbol in format4 data and GP Data on (Guard Period).

616, in subframe N, base station sends uplink scheduling DCI to terminal device K.

617, after terminal device K receives uplink scheduling DCI, upstream data is not sent, in the last of uplink scheduling resource One symbol sends particular sequence to base station.

618, after base station gets above-mentioned particular sequence, pass through the descending scheduling of terminal device K in next scheduling subframe DCI retransmits time slot relevant information SFI to terminal device K.

619, the descending scheduling DCI that terminal device K parsing receives obtains the updated structure of time slot in base station, according to Format 4 receive the data of a downlink symbol in the data frame that base station is retransmitted, and abandon the GP data of preservation, will be under receive one Row symbol data merges with a previously stored downlink symbol data to be decoded.

It can be clearly seen that terminal device has not been obtained by the interactive process of base station shown in Fig. 6 B and terminal device In the case where the information for being used to indicate the updated structure of time slot in base station, indicate that NFI field determines that base station uses according to format Structure of time slot whether update, if update, to base station send feedback information so that base station again to the terminal device send use In the information for indicating updated structure of time slot, so that the updated structure of time slot of timely learning, reduction can not obtain time slot knot Performance loss brought by structure.

Referring to Fig. 7, Fig. 7 is a kind of structural schematic block diagram of terminal device 700 disclosed by the embodiments of the present invention.Such as Fig. 7 Shown, terminal device 700 includes: acquiring unit 701, the first determination unit 702 and transmission unit 703.Wherein,

Acquiring unit 701, for obtaining target format instruction NFI field.

As an alternative embodiment, acquiring unit 701 is specifically used for the Downlink Control Information that parsing base station is sent DCI is to obtain above-mentioned target NFI field.

First determination unit 702, for whether more to determine the structure of time slot of base station use according to above-mentioned target NFI field Newly.

As an alternative embodiment, the first determination unit 702, which is specifically used for target NFI field, compares terminal device In the case that the history NFI field that 700 last times got is flipped, the structure of time slot for determining that base station uses has updated；Or Person, in the case where being 1 specifically for target NFI field, the structure of time slot for determining that base station uses has updated, and target NFI field is 0 In the case where, the structure of time slot for determining that base station uses does not update.

Transmission unit 703, the structure of time slot used for base station have updated, and terminal device 700 has not been obtained for referring to In the case where the information for showing the updated structure of time slot in base station, feedback information is sent to base station, to notify base station terminal equipment 700 The information for being used to indicate the updated structure of time slot in base station has not been obtained.

As an alternative embodiment, transmission unit 703 is specifically used for receiving base station transmission in terminal device 700 Uplink scheduling DCI after, to base station send particular sequence, be used to indicate base to notify base station terminal equipment 700 to have not been obtained It stands the information of updated structure of time slot.

Further, transmission unit 703 is specifically used for sending above-mentioned specific sequence in the uplink symbol position of uplink scheduling resource Column；Alternatively, transmission unit 703 is specifically used for sending above-mentioned particular sequence in the last symbol position of uplink scheduling resource.

Above-mentioned particular sequence is for identifying terminal device 700.As an alternative embodiment, particular sequence is demodulation Reference signal DMRS or sounding reference symbol SRS.

It can be seen that terminal device 700 described in Fig. 7, it is updated can not to obtain base station to base station feedback in time Structure of time slot retransmits structure of time slot information to terminal device to trigger base station, and structure of time slot can not be obtained by reducing terminal device Brought performance loss.

Referring to Fig. 8, Fig. 8 is the structural schematic block diagram of another terminal device 800 disclosed by the embodiments of the present invention.Fig. 8 Shown in obtain on the basis of the terminal device shown in Fig. 7 of terminal device 800, compared with terminal device 700 shown in Fig. 7, Terminal device 800 further include:

Detection unit 704, for carrying out blind examination to the subframe received from base station, to determine whether to detect user group Public Physical Downlink Control Channel GC-PDCCH.

By the description of above-mentioned Fig. 7 it is found that transmission unit 703 needs to meet before sending feedback information: what base station used Structure of time slot has updated, and the information for being used to indicate the updated structure of time slot in base station has not been obtained in terminal device.It is set in terminal In standby 800, if above-mentioned GC-PDCCH is not detected for detection unit 704 or detection unit 704 is not decoded from GC-PDCCH Structure of time slot relevant information SFI, it is determined that the letter for being used to indicate the updated structure of time slot in base station has not been obtained in terminal device 800 Breath.

As an alternative embodiment, acquiring unit 701, is specifically used for receiving descending scheduling DCI, in the downlink The NFI is obtained in scheduling DCI；Wherein, the resource that the descending scheduling DCI dispatches at least one subframe is used for bearing downlink tune Degree evidence；In addition to this, terminal device 800 further include:

The structure of time slot of adjustment unit 705, at least one subframe for dispatching above-mentioned descending scheduling DCI is revised as base Cable architecture.

Storage unit 706, for storing above-mentioned descending scheduling DCI tune according to the configuration of the uplink and downlink timeslot of above-mentioned baseline configuration The first downlink symbol data at least one subframe of degree.

Feedback unit 707, for sending the negative confirmation NACK of at least one above-mentioned subframe to base station in feedback slot.

First receiving unit 708, for receiving the public Physical Downlink Control Channel GC-PDCCH of user group of base station transmission.

Resolution unit 709, for parsing above-mentioned GC-PDCCH to obtain structure of time slot relevant information SFI.

Second determination unit 710, for determining the updated structure of time slot in base station according to above-mentioned SFI.

Second receiving unit 711 is accorded with for receiving the second downlink that base station is retransmitted according to the updated structure of time slot in base station Number.

Combining unit 712, for the first downlink symbol data of merging and the second downlink symbol data to carry out data decoding, Or abandon at least partly above-mentioned first downlink symbol data.

It can be seen that terminal device 800 described in Fig. 8, it is updated can not to obtain base station to base station feedback in time Structure of time slot retransmits structure of time slot information to terminal device to trigger base station, and structure of time slot can not be obtained by reducing terminal device Brought performance loss.

Referring to Fig. 9, Fig. 9 is a kind of entity structure schematic diagram of terminal device 900 disclosed by the embodiments of the present invention.Such as figure Shown in 9, for ease of description, only parts related to embodiments of the present invention are shown, disclosed by specific technical details, please join According to present invention method part.The terminal device 900 can be mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), any terminal device such as POS (Point of Sales, point-of-sale terminal) or vehicle-mounted computer, Taking the terminal as an example:

Fig. 9 shows the block diagram of the part-structure of mobile phone relevant to terminal provided in an embodiment of the present invention.With reference to figure 9, mobile phone include: radio frequency (Radio Frequency, RF) circuit 901, memory 902, input unit 903, display unit 904, Sensor 905, voicefrequency circuit 906, Wireless Fidelity (wireless fidelity, WiFi) module 907, processor 908 and The components such as power supply 909.It will be understood by those skilled in the art that handset structure shown in Fig. 9 does not constitute the restriction to mobile phone, It may include perhaps combining certain components or different component layouts than illustrating more or fewer components.

It is specifically introduced below with reference to each component parts of the Fig. 9 to mobile phone:

RF circuit 901 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station After downlink information receives, handled to processor 908；In addition, the data for designing uplink are sent to base station.In general, RF circuit 901 Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuit 901 can also be communicated with network and other equipment by wireless communication. Any communication standard or agreement, including but not limited to global system for mobile communications (Global can be used in above-mentioned wireless communication System of Mobile communication, GSM), public packet wireless service (General Packet Radio Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service (Short Messaging Service, SMS) etc..

Memory 902 can be used for storing computer program and module, and processor 908 is stored in memory by operation 902 computer program and module, thereby executing the various function application and data processing of mobile phone.Memory 902 can be led It to include storing program area and storage data area, wherein storing program area can be needed for storage program area, at least one function Application program (such as sound-playing function, image player function etc.) etc.；Storage data area, which can be stored, uses institute according to mobile phone Data (such as audio data, phone directory etc.) of creation etc..In addition, memory 902 may include high-speed random access memory, It can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-states are deposited Memory device.

Input unit 903 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with And the related key signals input of function control.Specifically, input unit 903 may include that touch panel 9031 and other inputs are set Standby 9032.Touch panel 9031, also referred to as touch screen, collecting the touch operation of user on it or nearby, (for example user makes With the operation of any suitable object or attachment such as finger, stylus on touch panel 9031 or near touch panel 9031), And corresponding attachment device is driven according to preset formula.Optionally, touch panel 9031 may include touch detecting apparatus With two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation bring Signal transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and it is converted At contact coordinate, then processor 908 is given, and order that processor 908 is sent can be received and executed.Furthermore, it is possible to adopt Touch panel 9031 is realized with multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel 9031, input unit 903 can also include other input equipments 9032.Specifically, other input equipments 9032 may include but One be not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. Kind is a variety of.

Display unit 904 can be used for showing information input by user or be supplied to user information and mobile phone it is various Menu.Display unit 904 may include display panel 9041, optionally, can use liquid crystal display (Liquid Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure Show panel 9041.Further, touch panel 9031 can cover display panel 9041, when touch panel 9031 detects on it Or after neighbouring touch operation, processor 908 is sent to determine the type of touch event, is followed by subsequent processing device 908 according to touch The type of event provides corresponding visual output on display panel 9041.Although in Fig. 9, touch panel 9031 and display surface Plate 9041 is the input and input function for realizing mobile phone as two independent components, but in some embodiments it is possible to It is touch panel 9031 and display panel 9041 is integrated and that realizes mobile phone output and input function.

Mobile phone may also include at least one sensor 905, such as optical sensor, motion sensor and other sensors. Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light Light and shade adjust the brightness of display panel 9041, proximity sensor can close display panel when mobile phone is moved in one's ear 9041 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add The size of speed can detect that size and the direction of gravity when static, can be used to identify application (such as the horizontal/vertical screen of mobile phone posture Switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Also as mobile phone The other sensors such as configurable gyroscope, barometer, hygrometer, thermometer, infrared sensor, details are not described herein.

Voicefrequency circuit 906, loudspeaker 9061, microphone 9062 can provide the audio interface between user and mobile phone.Audio Electric signal after the audio data received conversion can be transferred to loudspeaker 9061, be converted to by loudspeaker 9061 by circuit 906 Voice signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 9062, is connect by voicefrequency circuit 906 Audio data is converted to after receipts, then by after the processing of audio data output processor 908, is sent to through RF circuit 901 such as another One mobile phone, or audio data is exported to memory 902 to be further processed.

WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 907 Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 9 is shown WiFi module 907, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need do not changing completely Become in the range of the essence of invention and omits.

Processor 908 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to It crosses operation or executes the computer program and/or module being stored in memory 902, and call and be stored in memory 902 Data, execute mobile phone various functions and processing data, thus to mobile phone carry out integral monitoring.Optionally, processor 908 can Including one or more processing units；Preferably, processor 908 can integrate application processor and modem processor, wherein The main processing operation system of application processor, user interface and application program etc., modem processor mainly handles channel radio Letter.It is understood that above-mentioned modem processor can not also be integrated into processor 908.

Mobile phone further includes the power supply 909 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe Reason system and processor 908 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system Etc. functions.

Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.

In earlier figures 2~embodiment shown in Fig. 3, each step method process can be realized based on the structure of the mobile phone.

In earlier figures 7 and embodiment shown in Fig. 8, each unit function can be realized based on the structure of the mobile phone.

For example, processor 908 calls the program code being stored in memory 902, for performing the following operations:

It obtains target format and indicates NFI field；

Whether updated according to the structure of time slot that target NFI field determines that base station uses；

Base station use structure of time slot updated, and terminal device 900 have not been obtained be used to indicate base station it is updated when In the case where the information of gap structure, feedback information is sent to base station, is used to indicate with notifying base station terminal equipment 900 to have not been obtained The information of the updated structure of time slot in base station.

As an alternative embodiment, processor 908 calls storage when obtaining target format instruction NFI field Program code in memory 902 is specifically used for executing following operation:

The Downlink Control Information DCI of base station transmission is parsed to obtain target NFI field.

As an alternative embodiment, determining the structure of time slot that the base station uses according to the target NFI field Whether when updating, processor 908 calls the program code being stored in memory 902, is specifically used for executing following operation:

In the case that target NFI field is flipped compared to the history NFI field that 900 last time of terminal device gets, The structure of time slot for determining that base station uses has updated；Alternatively,

In the case that target NFI field is 1, the structure of time slot for determining that base station uses has updated, and target NFI field is 0 In the case of, the structure of time slot for determining that base station uses does not update.

As an alternative embodiment, processor 908 calls the program code being stored in memory 902, also use The operation below executing:

Blind examination is carried out to the subframe received from the base station, to determine whether to detect the public physical down of user group Control channel GC-PDCCH；

The information for being used to indicate the updated structure of time slot in base station has not been obtained in terminal device 900, comprising:

Above-mentioned GC-PDCCH is not detected in terminal device 900；Alternatively,

Terminal device 900 does not decode structure of time slot relevant information SFI from GC-PDCCH.

As an alternative embodiment, the calling of processor 908 is stored in when sending feedback information to the base station Program code in reservoir 902 is specifically used for executing following operation:

After the uplink scheduling DCI for receiving base station transmission, in the uplink scheduling resource indicated by uplink scheduling DCI Particular sequence is sent to base station, to notify base station terminal equipment 900 has not been obtained to be used to indicate the updated structure of time slot in base station Information.

As an alternative embodiment, in the uplink scheduling resource indicated by the uplink scheduling DCI it is described to When the base station sends particular sequence, processor 908 calls the program code being stored in memory 902, is specifically used for executing It operates below:

Particular sequence is sent in the uplink symbol position of uplink scheduling resource；Alternatively,

Particular sequence is sent in the last symbol position of uplink scheduling resource.

As an alternative embodiment, above-mentioned particular sequence is for identifying the terminal device；As a kind of optional Embodiment, above-mentioned particular sequence be demodulated reference signal DMRS or sounding reference symbol SRS.

Receive descending scheduling DCI；

NFI is obtained in descending scheduling DCI；Wherein, descending scheduling DCI dispatches the resource of at least one subframe for carrying Descending scheduling data；

The structure of time slot of at least one subframe of above-mentioned descending scheduling DCI scheduling is revised as baseline configuration, according to baseline The first downlink symbol data at least one subframe of the uplink and downlink timeslot configuration storage descending scheduling DCI scheduling of structure.

The negative confirmation NACK of at least one above-mentioned subframe is sent to base station in feedback slot.

Receive the public Physical Downlink Control Channel GC-PDCCH of user group that the base station is sent；

The GC-PDCCH is parsed to obtain structure of time slot relevant information SFI；

The updated structure of time slot in the base station is determined according to the SFI, according to the updated structure of time slot in the base station Receive the second downlink symbol data at least one subframe that the base station is retransmitted；

Merge the first downlink symbol data and the second downlink symbol data to carry out data decoding, or abandons At least partly described first downlink symbol data.

It can be seen that terminal device 900 described in Fig. 9, it is updated can not to obtain base station to base station feedback in time Structure of time slot retransmits structure of time slot information to terminal device to trigger base station, and structure of time slot can not be obtained by reducing terminal device Brought performance loss.

Referring to Fig. 10, Figure 10 is a kind of structural schematic block diagram of base station 1000 disclosed by the embodiments of the present invention.Such as Figure 10 Shown, base station 1000 includes the first transmission unit 1001 and the second transmission unit 1002.

First transmission unit 1001, for being used to indicate the updated structure of time slot in base station 1000 to terminal device transmission Information.

As an alternative embodiment, the above-mentioned information for being used to indicate the updated structure of time slot in base station is user group Public Physical Downlink Control Channel GC-PDCCH.

Second transmission unit 1002, for sending the notice letter comprising target format instruction NFI field to terminal device Breath, the structure of time slot that above-mentioned target NFI field is used to indicate base station 1000 have updated.

As an alternative embodiment, above-mentioned notification information is Downlink Control Information DCI.

It can be seen that base station 1000 described in Figure 10, can pass through NFI field signals terminal device, the time slot of base station Structure has updated.

Figure 11 is please referred to, Figure 11 is the structural schematic block diagram of another base station 1100 disclosed by the embodiments of the present invention.Figure 11 Shown in base station 1100 obtained on the basis of base station 1000 shown in Fig. 10, compared with base station 1000, base station 1100 further include:

Setting unit 1003, in the updated situation of structure of time slot for base station, obtaining the base station last time is sent to end The history NFI field of end equipment overturns history NFI field to obtain target NFI field.

As an alternative embodiment, setting unit 1003 is used in the updated situation of structure of time slot of base station, 1, in the case that the structure of time slot of base station does not update is set by target NFI field, sets 0 for target NFI field.

Receiving unit 1004, the upload control resource comprising particular sequence sent for receiving terminal apparatus.

Third transmission unit 1005, for according to above-mentioned particular sequence to terminal device sending time slots structurally interrelated information SFI, the SFI are carried at least one in following: the public Physical Downlink Control Channel GC-PDCCH of user group, the terminal Equipment-specific physical downlink control channel PDCCH.

In the embodiment of the present invention, above-mentioned particular sequence is for identifying terminal device.As an alternative embodiment, special Sequencing is classified as demodulated reference signal DMRS or sounding reference symbol SRS.

As an alternative embodiment, the second transmission unit 1002, is specifically used for sending downlink tune to terminal device DCI is spent, descending scheduling DCI includes notification information, wherein descending scheduling DCI dispatches the resource of at least one subframe for carrying Descending scheduling data；

Base station 1100 further include:

4th transmission unit 1006, for retransmitting descending scheduling data to terminal device.

It, can be by the structure of time slot of NFI field signals terminal device base station it can be seen that base station described in Figure 11 It updates, and base station can retransmit the information of structure of time slot to terminal device in time according to the feedback information of terminal device, thus Terminal device is reduced since performance loss brought by structure of time slot can not be obtained.

Figure 12 is a kind of entity structure schematic diagram of base station 1200 disclosed by the embodiments of the present invention.Base station 1200 includes one Or multiple remote radio unit (RRU)s (Remote Radio Unit, RRU) 1201 and one or more Base Band Unit (Baseband Unit, BBU) 1202.The RRU1201 is properly termed as Transmit-Receive Unit, transceiver, transmission circuit or transceiver etc., can To include at least one antenna 1211 and radio frequency unit 1212.The part the RRU1201 be mainly used for the transmitting-receiving of radiofrequency signal with And the conversion of radiofrequency signal and baseband signal, such as sending notification information described in above-described embodiment to terminal.It is described The part BBU1202 is mainly used for carrying out Base-Band Processing, controls etc. base station.The RRU1201 and BBU1202 can be object It is set together in reason, setting, i.e. distributed base station can also be physically separated.

The BBU1202 is the control centre of base station, is referred to as processing unit, is mainly used for completing Base-Band Processing function Can, such as channel coding is multiplexed, modulation, spread spectrum etc..

In one example, the BBU1202 can be made of one or more veneers, and multiple veneers can be supported jointly The wireless access network (such as LTE net) of single access standard can also support the wireless access network of different access standards respectively.It is described BBU1202 further includes memory 1221 and processor 1222.The memory 1221 is to store necessary message and data.Institute It states processor 1222 and carries out necessary operation for control base station.The memory 1221 and processor 1222 can serve one A or multiple veneers.That is, memory and processor can be separately provided on each veneer.It is public to be also possible to multiple veneers With identical memory and processor.Furthermore necessary circuit is additionally provided on each veneer.

As an alternative embodiment, RRU1201 can be used for receiving terminal apparatus transmission feedback information, and to Terminal device sends notification information generated in the method for above-mentioned Fig. 4 or Fig. 5.

As an alternative embodiment, the processor 1222 for including in BBU1202 can call in memory 1221 The computer program of storage executes the output method of notification information described in above-mentioned Fig. 4 or Fig. 5.

For example, processor 1222 can call the computer program stored in memory 1221, as follows for executing Shown step:

The information for being used to indicate the updated structure of time slot in base station 1200 is sent to terminal device；

The notification information comprising target format instruction NFI field is sent to terminal device, target NFI field is used to indicate The structure of time slot of base station 1200 has updated.

As an alternative embodiment, the above-mentioned information for being used to indicate the updated structure of time slot in base station 1200 is to use The public Physical Downlink Control Channel GC-PDCCH of family group.

As an alternative embodiment, processor 1222 can call the computer journey stored in memory 1221 Sequence is also used to execute step as follows:

In the updated situation of the structure of time slot of base station 1200, acquisition 1200 last time of base station is sent to going through for terminal device History NFI field overturns history NFI field to obtain target NFI field；Alternatively,

In the updated situation of the structure of time slot of base station 1200,1 is set by target NFI field, the time slot of base station 1200 In the case that structure does not update, 0 is set by target NFI field.

The particular sequence that receiving terminal apparatus is sent；

It is carried in following extremely according to particular sequence to terminal device sending time slots structurally interrelated information SFI, the SFI One item missing: the public Physical Downlink Control Channel GC-PDCCH of user group, the dedicated Physical Downlink Control Channel of the terminal device PDCCH。

As an alternative embodiment, sending the notice comprising target format instruction NFI field to terminal device When information, processor 1222 can call the computer program stored in memory 1221, specifically for executing as follows Step:

Descending scheduling DCI is sent to terminal device, descending scheduling DCI includes above-mentioned notification information, wherein descending scheduling The resource that DCI dispatches at least one subframe dispatches data for bearing downlink；

Processor 1222 can call the computer program stored in memory 1221, be also used to execute step as follows It is rapid:

Above-mentioned descending scheduling data are retransmitted to terminal device.

It, can be by the structure of time slot of NFI field signals terminal device base station it can be seen that base station described in Figure 12 It updates, and base station can retransmit the information of structure of time slot to terminal device in time according to the feedback information of terminal device, thus Terminal device is reduced since performance loss brought by structure of time slot can not be obtained.

The embodiment of the present invention also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity The computer program of subdata exchange, it is as any in recorded in above method embodiment which execute computer Some or all of the output method of the output method of notification information a kind of or feedback information step.

The embodiment of the present invention also provides a kind of computer program product, and the computer program product includes storing calculating The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned side Some or all of output method or the output method of feedback information of any notification information recorded in method embodiment walk Suddenly.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware With the interchangeability of software, each exemplary composition and step are generally described according to function in the above description.This A little functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Specially Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not It is considered as beyond the scope of this invention.

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

In several embodiments provided herein, it should be understood that disclosed terminal device, base station and method, It may be implemented in other ways.For example, the apparatus embodiments described above are merely exemplary, for example, the list Member division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or Component can be combined or can be integrated into another system, or some features can be ignored or not executed.In addition, shown Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect Coupling or communication connection are also possible to electricity, mechanical or other form connections.

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

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey The medium of sequence code.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right It is required that protection scope subject to.

Claims

1. a kind of output method of feedback information characterized by comprising

Terminal device obtains target format and indicates NFI field；

The structure of time slot that the base station uses has updated, and the terminal device has not been obtained after being used to indicate the base station update Structure of time slot information in the case where, to the base station send feedback information, to notify terminal device described in the base station not Get the information for being used to indicate the updated structure of time slot in the base station.

2. the method according to claim 1, wherein the terminal device, which obtains target format, indicates NFI word Section, comprising:

The terminal device parses the Downlink Control Information DCI of the base station transmission to obtain the target NFI field.

3. according to the method described in claim 2, it is characterized in that, described determine the base station according to the target NFI field Whether the structure of time slot of use updates, comprising:

In the case that the target NFI field is flipped compared to the history NFI field that the terminal device last time gets, The structure of time slot for determining that the base station uses has updated；Alternatively,

In the case that the target NFI field is 1, the structure of time slot for determining that the base station uses has updated, the target NFI word In the case that section is 0, the structure of time slot for determining that the base station uses does not update.

4. according to the method described in claim 3, it is characterized in that, being used to indicate institute determining that the terminal device has not been obtained Before the information for stating the updated structure of time slot in base station, the method also includes:

Blind examination is carried out to the subframe received from the base station, to determine whether to detect the public physical down control of user group Channel GC-PDCCH；

The information for being used to indicate the updated structure of time slot in the base station has not been obtained in the terminal device, comprising:

The GC-PDCCH is not detected in the terminal device；Alternatively,

The terminal device does not decode structure of time slot relevant information SFI from the GC-PDCCH.

5. method described according to claim 1~any one of 4, which is characterized in that described send to the base station is fed back Information, comprising:

After receiving the uplink scheduling DCI that the base station is sent, the money of the uplink scheduling indicated by the uplink scheduling DCI Particular sequence is sent to the base station on source, to notify terminal device described in the base station has not been obtained to be used to indicate the base station The information of updated structure of time slot.

6. according to the method described in claim 5, it is characterized in that, the uplink scheduling indicated by the uplink scheduling DCI provides It is described on source to send particular sequence to the base station, comprising:

The particular sequence is sent in the uplink symbol position of uplink scheduling resource；Alternatively,

The particular sequence is sent in the last symbol position of uplink scheduling resource.

7. according to the method described in claim 6, it is characterized in that, the particular sequence is for identifying the terminal device.

8. the method according to the description of claim 7 is characterized in that the particular sequence is demodulated reference signal DMRS or detection Reference symbol SRS.

9. method according to claim 1-4, which is characterized in that terminal device obtains the instruction of target format NFI field, comprising:

Terminal device receives descending scheduling DCI；

The terminal device obtains the NFI in the descending scheduling DCI；Wherein, the descending scheduling DCI scheduling at least one The resource of a subframe dispatches data for bearing downlink；

The structure of time slot that the base station uses has updated, and the terminal device has not been obtained after being used to indicate the base station update Structure of time slot information in the case where, the method also includes:

The structure of time slot of at least one subframe of descending scheduling DCI scheduling is revised as baseline configuration, according to the baseline The uplink and downlink timeslot configuration of structure stores the first downlink symbol number at least one subframe of the descending scheduling DCI scheduling According to.

10. according to the method described in claim 9, it is characterized in that, the uplink and downlink timeslot according to the baseline configuration is matched After setting the first downlink symbol data at least one subframe for storing the descending scheduling DCI scheduling, the method is also wrapped It includes:

The negative confirmation NACK of at least one subframe is sent to the base station in feedback slot.

11. according to the method described in claim 9, it is characterized in that, it is described to the base station send feedback information after, it is described Method further include:

It receives structure of time slot relevant information SFI, the SFI that the base station is sent and is carried at least one in following: user The public Physical Downlink Control Channel GC-PDCCH of group, the dedicated physical downlink control channel PDCCH of the terminal device；

The updated structure of time slot in the base station is determined according to the SFI, is received according to the updated structure of time slot in the base station The second downlink symbol data at least one subframe that the base station is retransmitted；

Merge the first downlink symbol data and the second downlink symbol data to carry out data decoding, or abandons at least Part the first downlink symbol data.

12. a kind of output method of notification information characterized by comprising

The notification information comprising target format instruction NFI field is sent to the terminal device, the target NFI field is used for Indicate that the structure of time slot of the base station has updated.

13. according to the method for claim 12, which is characterized in that described to be used to indicate the updated time slot knot in the base station The information of structure is the public Physical Downlink Control Channel GC-PDCCH of user group.

14. according to the method for claim 13, which is characterized in that the notification information is Downlink Control Information DCI.

15. according to the method for claim 14, which is characterized in that described send to the terminal device includes the new lattice of target Before formula indicates the notification information of NFI field, the method also includes:

In the updated situation of the structure of time slot of the base station, obtaining the base station last time is sent to going through for the terminal device History NFI field overturns the history NFI field to obtain the target NFI field；Alternatively,

In the updated situation of the structure of time slot of the base station, 1 is set by the target NFI field, the time slot of the base station In the case that structure does not update, 0 is set by the target NFI field.

16. method described in any one of 2~15 according to claim 1, which is characterized in that described to be sent out to the terminal device After sending the notification information comprising format instruction NFI field, the method also includes:

Receive the particular sequence that the terminal device is sent；

It is carried in following according to the particular sequence to the terminal device sending time slots structurally interrelated information SFI, the SFI At least one of: the dedicated physical down control of the public Physical Downlink Control Channel GC-PDCCH of user group, the terminal device Channel PDCCH.

17. according to the method for claim 16, which is characterized in that the particular sequence is for identifying the terminal device.

18. according to the method for claim 17, which is characterized in that the particular sequence is demodulated reference signal DMRS or spy Survey reference symbol SRS.

19. according to the method for claim 16, which is characterized in that described send to the terminal device includes the new lattice of target The notification information of formula instruction NFI field, comprising:

Descending scheduling DCI is sent to the terminal device, the descending scheduling DCI includes the notification information, wherein under described The resource that row scheduling DCI dispatches at least one subframe dispatches data for bearing downlink；

It is described public to user group of the terminal device transmission comprising structure of time slot relevant information SFI according to the particular sequence After Physical Downlink Control Channel GC-PDCCH, the method also includes:

The descending scheduling data are retransmitted to the terminal device.

20. a kind of terminal device characterized by comprising

Acquiring unit, for obtaining target format instruction NFI field；

Transmission unit, the structure of time slot used for the base station has updated, and the terminal device has not been obtained and is used to indicate In the case where the information of the updated structure of time slot in base station, feedback information is sent to the base station, to notify the base station The information for being used to indicate the updated structure of time slot in the base station has not been obtained in the terminal device.

21. terminal device according to claim 20, which is characterized in that

The acquiring unit, specifically for parsing the Downlink Control Information DCI of the base station transmission to obtain the target NFI word Section.

22. terminal device according to claim 21, which is characterized in that first determination unit is specifically used for described In the case that target NFI field is flipped compared to the history NFI field that the terminal device last time gets, described in determination The structure of time slot that base station uses has updated；Alternatively,

In the case where being 1 specifically for the target NFI field, the structure of time slot for determining that the base station uses has updated, described In the case that target NFI field is 0, the structure of time slot for determining that the base station uses does not update.

23. terminal device according to claim 22, which is characterized in that the terminal device further include:

Detection unit, for carrying out blind examination to the subframe received from the base station, to determine whether to detect user group public affairs Physical Downlink Control Channel GC-PDCCH altogether；

The GC-PDCCH is not detected in the detection unit；Alternatively,

The detection unit does not decode structure of time slot relevant information SFI from the GC-PDCCH.

24. the terminal device according to any one of claim 20~23, which is characterized in that

The transmission unit, specifically for after receiving the uplink scheduling DCI that the base station is sent, in the uplink scheduling Particular sequence is sent to the base station in uplink scheduling resource indicated by DCI, to notify terminal device described in the base station not Get the information for being used to indicate the updated structure of time slot in the base station.

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

The transmission unit, specifically for sending the particular sequence in the uplink symbol position of uplink scheduling resource；Alternatively, specific For sending the particular sequence in the last symbol position of uplink scheduling resource.

26. terminal device according to claim 25, which is characterized in that the particular sequence is set for identifying the terminal It is standby.

27. terminal device according to claim 26, which is characterized in that the particular sequence is demodulated reference signal DMRS Or sounding reference symbol SRS.

28. the terminal device according to any one of claim 20~23, which is characterized in that the acquiring unit, tool Body obtains the NFI in the descending scheduling DCI for receiving descending scheduling DCI；Wherein, the descending scheduling DCI scheduling The resource of at least one subframe dispatches data for bearing downlink；

The terminal device further include:

The structure of time slot of adjustment unit, at least one subframe for dispatching the descending scheduling DCI is revised as baseline configuration；

Storage unit, for storing the descending scheduling DCI scheduling extremely according to the configuration of the uplink and downlink timeslot of the baseline configuration The first downlink symbol data in a few subframe.

29. terminal device according to claim 28, which is characterized in that the terminal device further include:

Feedback unit, for sending the negative confirmation NACK of at least one subframe to the base station in feedback slot.

30. terminal device according to claim 28, which is characterized in that the terminal device further include:

First receiving unit, the public Physical Downlink Control Channel GC-PDCCH of user group sent for receiving the base station；

Resolution unit, for parsing the GC-PDCCH to obtain structure of time slot relevant information SFI；

Second determination unit, for determining the updated structure of time slot in the base station according to the SFI；

Second receiving unit is accorded with for receiving the second downlink that the base station is retransmitted according to the updated structure of time slot in the base station Number；

Combining unit is translated for merging the first downlink symbol data and the second downlink symbol data with carrying out data Code, or abandon at least partly described first downlink symbol data.

31. a kind of base station characterized by comprising

First transmission unit, for sending the information for being used to indicate the updated structure of time slot in the base station to terminal device；

Second transmission unit, for sending the notification information comprising target format instruction NFI field, institute to the terminal device It states target NFI field and is used to indicate the structure of time slot of the base station and updated.

32. base station according to claim 31, which is characterized in that described to be used to indicate the updated time slot knot in the base station The information of structure is the public Physical Downlink Control Channel GC-PDCCH of user group.

33. base station according to claim 32, which is characterized in that the notification information is Downlink Control Information DCI.

34. base station according to claim 33, which is characterized in that the base station further include:

Setting unit, in the updated situation of structure of time slot for the base station, obtaining the base station last time is sent to institute The history NFI field for stating terminal device overturns the history NFI field to obtain the target NFI field；Alternatively, In the updated situation of structure of time slot for the base station, 1 is set by the target NFI field, the time slot of the base station In the case that structure does not update, 0 is set by the target NFI field.

35. the base station according to any one of claim 31~34, which is characterized in that the base station further include:

Receiving unit, the particular sequence sent for receiving the terminal device；

Third transmission unit, for according to the particular sequence to the terminal device sending time slots structurally interrelated information SFI, institute State SFI be carried in following at least one of: the public Physical Downlink Control Channel GC-PDCCH of user group, the terminal device are special Physical downlink control channel PDCCH.

36. base station according to claim 35, which is characterized in that the particular sequence is for identifying the terminal device.

37. base station according to claim 36, which is characterized in that the particular sequence is demodulated reference signal DMRS or spy Survey reference symbol SRS.

38. base station according to claim 35, which is characterized in that

Second transmission unit is specifically used for sending descending scheduling DCI, the descending scheduling DCI packet to the terminal device Include the notification information, wherein the resource that the descending scheduling DCI dispatches at least one subframe dispatches number for bearing downlink According to；

The base station further include:

4th transmission unit, for retransmitting the descending scheduling data to the terminal device.

39. a kind of terminal device, which is characterized in that the terminal device includes: transceiver, processor and memory, in which:

The memory is for storing computer program；

The processor, for reading the computer program stored in the memory, perform claim requires 1 to 11 any one The method.

40. a kind of base station, which is characterized in that the base station includes: transceiver, processor and memory, in which:

The memory is for storing computer program；

The processor, for reading the computer program stored in the memory, perform claim requirement 12 to 19 is any one Item the method.

41. a kind of computer readable storage medium, which is characterized in that the computer storage medium is stored with computer program, The computer program includes program instruction, and described program instruction makes the processor execute such as right when being executed by a processor It is required that 1 to 11 described in any item methods.

42. a kind of computer readable storage medium, which is characterized in that the computer storage medium is stored with computer program, The computer program includes program instruction, and described program instruction makes the processor execute such as right when being executed by a processor It is required that 12 to 19 described in any item methods.