CN107682931A

CN107682931A - A kind of data communications method and device

Info

Publication number: CN107682931A
Application number: CN201610645974.4A
Authority: CN
Inventors: 朱广勇
Original assignee: Shenzhen Jinli Communication Equipment Co Ltd
Current assignee: Shenzhen Jinli Communication Equipment Co Ltd
Priority date: 2016-08-09
Filing date: 2016-08-09
Publication date: 2018-02-09
Also published as: WO2018028325A1

Abstract

The embodiment of the invention discloses a kind of data communications method and device, the data transmission method includes：Receive the first stage uplink scheduling Grant information that base station is sent by the first descending sub frame, the first stage uplink scheduling Grant information includes the first configured information of the mark for being used to indicate multiple sub-frame of uplink on the second scheduled frequency spectrum, wherein second frequency spectrum is unlicensed spectrum；According to first configured information, it is determined that scheduled the multiple sub-frame of uplink, and upstream data transmission is carried out on the multiple sub-frame of uplink.Using the embodiment of the present invention, the scheduling of multiple sub-frame of uplink can be realized by indicating the mark of scheduled multiple sub-frame of uplink, saves signaling consumption.

Description

A kind of data communications method and device

Technical field

The present invention relates to mobile communication network technology field, more particularly to a kind of data communications method and device.

Background technology

To introduce more frequency spectrum resources to meet the performance index requirements constantly lifted, opened from 3GPP Release 13 Begin, set up authorize photocarrier method access (Licensed-Assisted Access to Unlicensed Spectrum, LAA how research project), research are authorizing the frequency of frequency spectrum, i.e. Long Term Evolution (Long Term Evolution, LTE) system Unauthorized frequency spectrum resource (such as 5GHz frequency spectrum) is used under the auxiliary of spectrum.In LAA systems, due to introducing unlicensed spectrum Resource, therefore LAA systems need to follow the existing mechanism of unlicensed spectrum on the basis of LTE system.Various countries award for non-at present The use of power frequency spectrum is provided that some of countries and regions, which define, to be needed in unauthorized frequency range using before dialogue respectively (listen before talk, the LBT) mechanism, i.e. listem-before-talk mechanism of monitoring, before data transmission is carried out, will first monitor letter Whether the state in road is idle, and the transmission of data message and control information is carried out if channel idle, otherwise without transmission.Cause This, the LTE system before comparing, the ascending-descending subframes distribution in the unauthorized frequency range in LAA systems can be based on business demand It is determined with LBT result etc., therefore the ascending-descending subframes distribution in LAA systems also can be different with LTE system.

In current LTE system, transmitting uplink data is the up Grant information by being transmitted on down control channel It is scheduled, i.e. base station sends up Grant information on the down control channel of certain descending sub frame and carrys out scheduling user's set The upstream data of (User Equipment, UE) is sent, and UE carries out upstream data transmission on certain follow-up sub-frame of uplink afterwards. Because in LTE system, generally descending sub frame quantity will be more than sub-frame of uplink quantity, in order to which signalling loads distribution is more equal It is even, it is general by the way of a descending sub frame dispatches a sub-frame of uplink.

And in LAA systems, change is produced because ascending-descending subframes are distributed, such as when uplink service demand is more Wait, it is possible to produce the situation that sub-frame of uplink number is more than descending sub frame number, can not now reuse a descending son in LTE system The scheduling mode of one sub-frame of uplink of frame scheduling.Therefore, discussed by current 3GPP, it is determined that using more sub in LAA systems The mode of frame scheduling carries out uplink scheduling, i.e., a descending sub frame dispatches multiple sub-frame of uplink.Do not it is proposed also in LAA systems at present How the method for expressing of more subframe schedulings is carried out in system.

The content of the invention

The embodiment of the present invention provides a kind of data communications method and device, can be by indicating scheduled multiple up sons The mark of frame realizes the scheduling of multiple sub-frame of uplink, saves signaling consumption.

First aspect present invention provides a kind of data communications method, including：

The first stage uplink scheduling Grant information that base station is sent by the first descending sub frame is received, on the first stage Row scheduling grant information includes the first instruction letter of the mark for being used to indicate multiple sub-frame of uplink on the second scheduled frequency spectrum Breath, wherein second frequency spectrum is unlicensed spectrum；

According to first configured information, it is determined that scheduled the multiple sub-frame of uplink, and in the multiple up son Upstream data transmission is carried out on frame.

Second aspect of the present invention provides a kind of data communications method, including：

First stage uplink scheduling Grant information is generated, the first stage uplink scheduling Grant information, which includes, to be used to indicate First configured information of the mark of multiple sub-frame of uplink on the second scheduled frequency spectrum of user equipment, second frequency spectrum are non- Authorize frequency spectrum；

The first stage uplink scheduling Grant information is sent to the user equipment by the first descending sub frame.

Third aspect present invention provides a kind of data communication equipment, applied to user equipment, including：

Transmit-Receive Unit, the first stage uplink scheduling Grant information sent for receiving base station by the first descending sub frame, The first stage uplink scheduling Grant information includes the mark for being used for indicating multiple sub-frame of uplink on the second scheduled frequency spectrum The first configured information known, wherein second frequency spectrum is unlicensed spectrum；

Processing unit, for according to first configured information, it is determined that scheduled the multiple sub-frame of uplink；

The Transmit-Receive Unit is additionally operable to carry out upstream data transmission on scheduled multiple sub-frame of uplink.

Fourth aspect present invention provides a kind of data communication equipment, applied to base station, including：

Generation unit, for generating first stage uplink scheduling Grant information, the first stage uplink scheduling permits letter First configured information of the mark of multiple sub-frame of uplink on breath the second frequency spectrum scheduled comprising instruction user equipment is used for, institute It is unlicensed spectrum to state the second frequency spectrum；

Transmit-Receive Unit, for being sent the first stage uplink scheduling Grant information to described by the first descending sub frame User equipment.

In the embodiment of the present invention, user equipment receives the first stage uplink scheduling that base station is sent by the first descending sub frame Grant information, the first stage uplink scheduling Grant information, which includes, to be used to indicate multiple up sons on the second scheduled frequency spectrum First configured information of the mark of frame, wherein second frequency spectrum is unlicensed spectrum, according to the first configured information, it is determined that being adjusted Multiple sub-frame of uplink of degree, and upstream data transmission is carried out on identified multiple sub-frame of uplink.This mode passes through descending The mark for multiple sub-frame of uplink that the configured information instruction that the uplink scheduling Grant information of subframe is included is scheduled, saves signaling Expense.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached Figure.

Fig. 1 is a kind of system architecture diagram provided in an embodiment of the present invention；

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

Fig. 3 is the flow chart of another data communications method provided in an embodiment of the present invention；

Fig. 4 is the flow chart of another data communications method provided in an embodiment of the present invention；

Fig. 5 is a kind of structural representation of data communication equipment provided in an embodiment of the present invention；

Fig. 6 is the structural representation of another data communication equipment provided in an embodiment of the present invention；

Fig. 7 is the structural representation of another data communication equipment provided in an embodiment of the present invention；

Fig. 8 is the structural representation of another data communication equipment provided in an embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.

Term " first ", " second " in description and claims of this specification and Figure of description etc. are to be used for Different objects are distinguished, rather than for describing particular order.In addition, term " comprising " and " having " and their any change Shape, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, system, product or The step of equipment is not limited to list or unit, but optional the step of also including not listing or unit, or it is optional Also include other steps intrinsic to these processes, method, product or equipment or unit.

It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment , and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims Kind ", " described " and "the" may also include most forms, unless context clearly shows that other implications.It is also understood that this Term "and/or" used herein refers to and comprising any or all possible group associated of list items purpose of one or more Close.

It should be noted that in the case of the special instruction do not expressed, every technology in various embodiments of the present invention Feature, which can be considered, can be mutually combined or be combined, as long as this kind combines or with reference to nothing the reason for being not as technology Method is implemented.In order to which more sufficiently explanation is of the invention, some are exemplary, and optionally, or preferred feature is of the invention each It is combined together and is described with other technical characteristics in embodiment, but this combination is not essential, and should be appreciated that this and show Example property, optionally, either preferred feature and other technical characteristics are all separable or independent each other, as long as should Plant the reason for separating or being independently not as technology and can not implement.Some functions of technical characteristic in embodiment of the method Property description can be understood as performing the function, method or step, some features of the technical characteristic in device embodiment are retouched State and can be understood as performing the function, method or step using this kind of device.

Technique described herein can be used for various cordless communication networks, such as CDMA ((Code Division Multiple Access, CDMA) network, time division multiple acess (Time Division Multiple Access, TDMA), frequency division be more Location (Frequency Division Multiple Access, FDMA), OFDM (Orthogonal Division Multiple Access, OFDMA) network, single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA) and other networks.Term " network " and " system ", which generally exchange, to be used.Cdma network Can realize such as general land wireless access (Universal Telecommunication Radio Access, UTRA), Telecommunications industry association (Telecommunications Industry Association, TIA) etc wireless technology. UTRA technologies include wideband CDMA (WCDMA) and CDMA other modifications.Technology includes coming from Electronic Industries Association (Electronic Industries Association, EIA) and TIA IS-2000, IS-95 and IS-856 standard.TDMA Network can realize such as global system for mobile communications (Global System for Mobile Communication, GSM) Etc wireless technology.OFDMA system can realize such as evolved UTRA (E-UTRA), Ultra-Mobile Broadband (Ultra Mobile Broadband, UMB), IEEE802.11 (Wireless Fidelity, Wi-Fi), (worldwide interoperability for microwave connects IEEE802.16 Enter-Worldwide Interoperability for Microwave Access, WiMAX), IEEE802.20, Flash- OFDMA etc wireless technology.UTRA and E-UTRA technologies are Universal Mobile Telecommunications System (UMTS) parts.3GPP is long-term Evolution (Long Term Evolution, LTE) and advanced LTE (LTE-A) are the more recent versions using E-UTRA UMTS. Described in the document of tissue from entitled " third generation partner program " (3GPP) UTRA, E-UTRA, UMTS, LTE, LTE-A and GSM." described to call oneself in the document of the tissue of third generation partner program 2 " (3GPP2) and UMB.This Technology described in text can be used for wireless network mentioned above and wireless access technology, and other wireless networks and Wireless access technology.For the sake of clarity, below some aspects of the technology be for LTE or LTE-A (or collectively referred to as " LTE/-A ") be described, and this LTE/-A terms are used in following many descriptions.

It should be noted that cordless communication network can include the multiple bases that can support the communication of multiple user equipmenies Stand.User equipment can be communicated by downlink and up-link with base station.Downlink (or forward link) refers to Communication link from base station to user equipment, and up-link (or reverse link) refers to the communication chain from user equipment to base station Road.

User equipment (for example, cell phone or smart phone) can be launched using wireless communication system and be received number It is used for duplex communication according to this.User equipment can include the emitter for being used for data transmitting and the reception for data receiver Machine.Launch for data, emitter can utilize data to enter transmitting local oscillator (Local Oscillator, LO) signal Row modulation is amplified to obtain with obtaining modulated radio frequency (Radio Frequency, RF) signal to modulated RF signals There must be the output RF signals of appropriate power level, and base station is transmitted to by RF signals are exported via antenna.For number According to reception, receiver can obtain received RF signals via antenna, amplify and will be received using LO signals are received RF signal down coversions, and downconverted signal is handled to recover the data sent by base station.

User equipment can be supported more with different radio access technologies (Radio Access Technology, RAT) The communication (such as LTE/TE-A and NR) of individual wireless system.Each wireless system may have some characteristics and requirement, Neng Gougao Support to communicate while the wireless system using different RAT in effect ground.User equipment can include mobile station, terminal, access terminal, Subscri er unit, website, etc..User equipment can also be cell phone, smart phone, tablet PC, wireless modulation-demodulation Device, personal digital assistant (Personal Digital Assistant, PDA), portable equipment, laptop computer, intelligence Sheet, net book, wireless phone, wireless local loop (wireless local loop, WLL) website, bluetooth equipment, etc..With Family equipment be able to can be communicated with wireless system, can be with can be from broadcasting station, one or more global navigational satellite systems The reception signals such as the satellite in system (Global Navigation Satellite System, GNSS).User equipment can prop up Hold one or more RAT for radio communication, such as GSM, WCDMA, cdma2000, LTE/LTE-A, 802.11, etc..Art Language " radio access technologies ", " RAT ", " radiotechnics ", " air interface " and " standard " is often interchangeably used.

User equipment can support carrier aggregation, and carrier aggregation is operation over a number of carriers.Carrier aggregation can be with It is referred to as multi-carrier operation.Carrier wave may refer to be employed for the frequency of a scope of communication and can be with some characteristic It is associated.For example, carrier wave can be associated with the system information and/or control information for describing the operation on the carrier wave.Carrier wave is also Component carrier (CC), frequency channels, cell, etc. can be referred to as.One frequency band can include one or more carrier waves.Example Property, each carrier wave can cover up to 20MHz.User equipment can be configured with up to 5 in one or two frequency band Individual carrier wave.User equipment can include multiple receivers, to receive multiple down link signals simultaneously at different frequency.These Multiple down link signals can be sent out over a number of carriers by one or more base stations in the different frequency for carrier aggregation Send.Each receiver may be received on one or more carrier waves the one or more downlinks letter for being sent to user equipment Number.The UE operated in carrier aggregation scene is configured as some functions of polymerizeing multiple carrier waves on the same carrier, such as Control and feedback function, the carrier wave can be referred to as main carrier or principal component carrier wave (Primary Component Carrier, Abbreviation PCC).Remaining carrier wave supported by main carrier is referred to as associated secondary carrier or auxiliary component carrier (Secondary Component Carrier, abbreviation SCC).Main carrier is sent by main plot.Secondary carrier is sent by secondary cell.One In a little embodiments, there can be multiple main carriers.Furthermore it is possible to add or remove in the case of the basic operation for not influenceing UE and be auxiliary Carrier wave.In carrier aggregation, control function can be formed from least two carrier aggregations to a carrier wave main carrier and The associated secondary carrier of one or more.Main carrier can be directed to and each secondary carrier establishes communication link.Then, can be based on Main carrier communicates to control.In carrier aggregation, user equipment can also be sent to serving BS for indicating supported frequency The UE capability information messages of band and carrier aggregation bandwidth classification.According to UE abilities, serving BS can be reconfigured using RRC connections Process configures UE.RRC connections reconfiguration course allows serving BS to add and remove the service being transmitted in secondary carrier The secondary cell (current most four secondary cells) of base station, and the master of serving BS that modification is transmitted on main carrier are small Area.In handoff procedure, serving BS can be added and be removed using RRC connection reconfiguration courses auxiliary at target main plot Cell.Serving BS can be using activation/deactivation MAC control elements to activate or deactivate secondary cell data transfer.When Before, UE monitorings carry out the Master Information Block (MIB) and system information block SIB of autonomous cell.It is responsible for sending secondary cell to UE in main plot MIB and some SIB.Main plot passes through the public secondary cell of radio-resource-configuration (RadioResourceConfigCommonSCell) Information element and the special secondary cell of Radio Resource (RadioResourceDedicatedSCell) information word usually send secondary cell MIB and some SIB.In some specific embodiments of the present invention, main carrier or principal component carrier wave can be configured as the first frequency Spectrum, the first frequency spectrum can be to authorize frequency spectrum；Associated secondary carrier or auxiliary component carrier can be configured as the second frequency spectrum, and second Frequency spectrum is unlicensed spectrum.

It should be noted that in LTE/LTE-A systems, single-carrier frequency division multiple access is respectively adopted in uplink/downlink carrier wave (Single-carrier Frequency-Division Multiple Access, SC-FDMA)/OFDM and cyclic prefix (Cyclic Prefix, CP).It is exemplary in 5G standards, up-downgoing carrier wave can be carried out unification, i.e., up-link with Downlink uses OFDM and CP.Exemplary in addition, the RB in 5G can do following configuration, and 1 resource block includes 12 Individual subcarrier, for subcarrier spacing on the basis of 15kHz, subcarrier spacing can be N (N=2^n) times of 15kHz, or also may be used To be fixed as subcarrier spacing as 75kHz.Specifically, bandwidth of traditional LTE cell operations in frequency range is made up of RB, RB There is fixed subcarrier spacing and symbol lengths respectively, such as under normal CP, the size on frequency domain for 180KHz (i.e.：12 15KHz subcarrier spacings), in time domain, including 7 symbols, the length of a symbol are approximately equal to 71.5us.And moved in 5G of future generation In the dynamic communication technology (such as in NR systems), different sub-carrier can no longer have fixed subcarrier spacing based on type of service With fixed symbol lengths (can be with dynamic change).To be different from the RB concepts in traditional LTE system, NR systems newly define The concept of " numerology " (referential data), it mainly includes subcarrier spacing, CP length and TTI length etc..At present, NR systems Three kinds of types of service are altogether defined, are eMBB, URLLC and mMTC respectively, " numerology " type of different service types Can also be different, mean that different types of subcarrier spacing, CP length or TTI length may be different.It is exemplary, can be with Define the single carrier bandwidth that next generation mobile communication will be supported to be up to 100MHz.Sizes of one resource block RB on frequency domain It is changed into 900KHz (i.e.：12 75KHz subcarrier spacings), and 0.1ms is supported in time domain.The length of one radio frames is 10ms, but be made up of 50 subframes, the length of each subframe is 0.2ms.It should be noted that described in the whole text herein be applicable In the signal type of the NR business, can refer to include in the relevant parameters such as carrier wave interval, CP length and TTI length at least A kind of configuration of parameter.

Specifically, the embodiment of the present invention be applied to can combine above-mentioned all technical characteristics LAA systems in, LAA systems Can be provided under the auxiliary of the frequency spectrum of Long Term Evolution (Long Term Evolution, LTE) system using unauthorized frequency spectrum Source (such as 5GHz frequency spectrum).It should be strongly noted that certain specific network architecture is carried out in the embodiment of the present invention below Description is a kind of example (such as LTE/LTE-A), and be should not be construed as limiting.The method disclosed in the present and device are same May apply to follow-up evolution (such as：5G of future generation) the network architecture in.

Shown in Fig. 1 is the system architecture of LTE/LTE-A systems, wherein each network element and interface are described as follows：

Mobility management entity (Mobility Management Entity, MME)/gateway (Serving GateWay, S-GW)：MME is third generation partner program (3GPP, 3rd Generation Partnership Project) the key control node in LTE, belongs to core network element, mainly responsible signaling process part, i.e. chain of command function, Including functions such as Access Control, mobile management, attachment and attachment removal, conversation management functional and gateway selections.S-GW is The important network element of core net in 3GPP LTE, the user plane functions of main responsible user data forwarding, i.e., enter under MME control The route of row packet and forwarding.

eNB：ENodeB (eNB) can be the station with user equipment UE communication, and is referred to as base station, node B, connects Access point etc..Each eNB can be directed to specific geographic area and provide communication overlay.In 3 gpp, term " cell " is according to use The context of the term can refer to eNB this specific geographical coverage area and/or serve the eNB subsystems of the overlay area This specific geographical coverage area of system.ENB be mainly responsible for eating dishes without rice or wine the RRM of side, service quality (QoS, Quality of Service) management, the function such as data compression and encryption.Toward core-network side, eNB is mainly responsible for forwarding to MME Control plane signaling and forward user plane business datum to S-GW.ENB can be directed to macrocell, picocell, Femto cell And/or other types of cell provides communication overlay.Macrocell generally covers relatively large geographic area (for example, radius is The scope of several kms), and the unconfined accesses of UE by being contracted with the service with network provider can be allowed.It is pico- small Area generally covers relatively small geographic area, and can allow by with unlimited with the UE for servicing signing of network provider The access of system.Femto cell generally also covers relatively small geographic area (for example, family), and is connect except unconfined It can also be provided beyond entering by the limited access with the UE associated with Femto cell (for example, closed user group (Closed Subscriber Group, CSG) in UE, the UE of user in family etc.).The eNB of macrocell is referred to alternatively as grand eNB.Slightly The eNB of cell is referred to alternatively as pico- eNB.And the eNB of Femto cell is referred to alternatively as femto eNB or family eNB.

UE：UE be in LTE by eNB access network side equipment, such as can be handheld terminal, notebook computer or Other can access the equipment of network.When UE needs to transmit upstream data in particular channel (for example, the shared letter of physical uplink Road, English：Physical Uplink Shared Channel, referred to as：PUSCH), above-mentioned UE needs to inform that eNB, above-mentioned UE have Upstream data is needed to transmit, and after eNB learns that UE needs to transmit data up and down, uplink data scheduling is carried out for above-mentioned UE.

S1 interfaces：It is the standard interface between eNB and core net.Wherein eNB is connected by S1-MME interface with MME, is used In the transmission of control signaling；ENB is connected by S1-U interface with S-GW, the transmission for user data.Wherein S1-MME interface S1 interfaces are referred to as with S1-U interface.

X2 interface：Standard interface between eNB and eNB, for realizing the intercommunication between base station.

Uu interfaces：Uu interfaces are the wave points between UE and base station eNB, and UE is linked into LTE network by Uu interfaces.

The data communications method of the embodiment of the present invention is mainly used in the letter interacted between UE and the Uu interfaces of base station eNB Breath, eNB send first stage uplink scheduling Grant information to UE, are included in the first stage uplink scheduling Grant information and be used to refer to Show the first configured information of the mark of multiple sub-frame of uplink on the second scheduled frequency spectrum, wherein second frequency spectrum is awarded to be non- Frequency spectrum is weighed, UE is by parsing the first stage uplink scheduling Grant information, it is determined that scheduled multiple sub-frame of uplink, and in the institute The multiple sub-frame of uplink determined send upstream data to eNB.

Below in conjunction with accompanying drawing 2- accompanying drawings 3, data communications method provided in an embodiment of the present invention is introduced and illustrated.

Fig. 2 is refer to, is a kind of schematic flow sheet of data communications method provided in an embodiment of the present invention；The present embodiment master To be described from user equipment side, as shown in Fig. 2 the data communications method includes：

S100, the first stage uplink scheduling Grant information that reception base station is sent by the first descending sub frame, described first Stage uplink scheduling Grant information includes the first of the mark for being used to indicate multiple sub-frame of uplink on the second scheduled frequency spectrum Configured information, wherein second frequency spectrum is unlicensed spectrum；

In the embodiment of the present invention, the ascending-descending subframes distribution in the unauthorized frequency range in LAA systems can be based on business demand It is determined with LBT result etc., such as when uplink service demand is more, it is possible to produce sub-frame of uplink number and be more than The situation of descending sub frame number, a descending sub frame is thus needed to dispatch multiple sub-frame of uplink.

Base station side determines the multiple sub-frame of uplink to be scheduled, and first stage uplink scheduling is generated in LAA systems Grant information, the first stage uplink scheduling Grant information, which includes, to be used to indicate multiple up sons on the second scheduled frequency spectrum First configured information of the mark of frame, wherein second frequency spectrum is unlicensed spectrum, the first stage uplink scheduling permits letter Breath is by the Downlink Control Information (Downlink Control Information, DCI) of the first descending sub frame to user equipment Side is sent.User equipment receives the first stage uplink scheduling Grant information that base station is sent by the first descending sub frame.

It should be noted that the first stage uplink scheduling Grant information can be by authorizing frequency spectrum (i.e. the first frequency spectrum) Descending sub frame send or by the transmission of the descending sub frame of unlicensed spectrum (i.e. the second frequency spectrum).Preferably, in order to protect The stability of first stage uplink scheduling Grant information transmission is demonstrate,proved, the descending sub frame for authorizing frequency spectrum can be used to send.

Optionally, the first configured information of the embodiment of the present invention can be multiplexed existing descending control information format (DCI Format), user for different DCI format is detected by way of blind check, increases new DCI format The increase of user equipment blind check number is meant that, this can lift the implementation complexity and power consumption of user equipment.It is of the invention real UE blind Detecting complexities can be reduced to carry the first configured information by applying the existing DCI format of example multiplexing, and is multiplexed existing DCI format need not produce new DCI format, can be by control signaling overhead control in reduced levels.

As an alternative embodiment, first configured information can indicate more height by way of bit map Whether frame is scheduled, and is that the first configured information includes multiple character bits, the plurality of character bit is used to indicate multiple subframes Whether it is scheduled, the corresponding subframe of a character, wherein the first character is used to indicate that corresponding subframe is scheduled, the second character For indicating that corresponding subframe is not scheduled, such as, it can be scheduled by subframe corresponding to bit " 1 " instruction, and pass through ratio Subframe corresponding to special " 0 " instruction is not scheduled.

It is specific optional, can be by setting the redundant bit in presupposed information domain and/or default free message domain table in DCI Show the plurality of character bit.Default free message domain includes redundancy versions (Redundancy version, RV) domain, channel status Indicate (Channel status indication, CSI) request domain, detection reference signal (Sounding reference Signal, SRS) request domain in it is at least one.

For example can be used by the way that 3bit CSI request domains and 1bit SRS request is used in combination The mode of bit map represents scheduled multiple sub-frame of uplink sequence numbers, wherein be set to subframe corresponding to the bit of " 1 " i.e. For scheduled subframe.For example this 4bit information field is arranged to 1011, the sub-frame of uplink serial number as dispatched receives The 1,3,4th subframe after one stage uplink scheduling Grant information 4ms is scheduled.

As another optional embodiment, first configured information includes the starting of scheduled continuous multiple subframes Subframe identifies and the total length of the plurality of subframe, and optionally, the total length of the plurality of subframe can be the subframe of the plurality of subframe Number, or total duration of the plurality of subframe.

It is specific optional, can be by setting the redundant bit in presupposed information domain and/or default free message domain table in DCI Show the total length of starting subframe mark and the plurality of subframe.Default free message domain asks including RV domains, CSI request domain, SRS Ask at least one in domain.

For example a frame structure includes 10 subframes, 10 subframes are numbered respectively according to time sequencing in the frame structure For 1,2,3,4 ... 10, if desired continuously the 4th subframe of scheduling can include starting to the 6th subframe, then the first configured information Frame identification 4 and scheduled multiple sub-frame numbers 3.

As another optional embodiment, first configured information includes the starting of scheduled continuous multiple subframes Subframe identifies and terminated subframe mark, is each subframe uniquely one sub- frame identification of distribution in a frame structure optionally, For example can be subframe sequence number.

It is specific optional, can be by setting the redundant bit in presupposed information domain and/or default free message domain table in DCI Show the end subframe mark of starting subframe mark and the plurality of subframe.Default free message domain includes RV domains, CSI request It is at least one in domain, SRS request domain.

For example a frame structure includes 10 subframes, 10 subframes are numbered respectively according to time sequencing in the frame structure For 1,2,3,4 ... 10, if desired continuously the 4th subframe of scheduling can include the 4th to the 6th subframe, then the first configured information The mark of subframe and the mark of the 6th subframe.

S101, according to first configured information, it is determined that scheduled the multiple sub-frame of uplink, and on the multiple Upstream data transmission is carried out in row subframe.

In the embodiment of the present invention, user equipment side receives the uplink scheduling that base station is issued by the first descending sub frame and permits letter Breath, parses the first configured information in the uplink scheduling Grant information, it is determined that scheduled multiple sub-frame of uplink, so as to really Upstream data transmission is carried out on fixed multiple sub-frame of uplink.

It is specific optional, by identifying the redundant bit in presupposed information domain and/or default free time in the first descending sub frame DCI Information field, scheduled multiple subframes mark is known, so as to carry out upstream data transmission.

Fig. 3 is refer to, is the flow chart of another data communications method provided in an embodiment of the present invention, the present embodiment is main It is described from user equipment side, as shown in figure 3, the data communications method of the present embodiment includes：

S200, the second stage uplink scheduling Grant information that reception base station is sent by the second descending sub frame, described second Stage uplink scheduling Grant information, which includes, to be used to indicate the second instruction for carrying out up more subframe schedulings on second frequency spectrum Information.

In the embodiment of the present invention, base station in order to user equipment instruction up more subframe schedulings are carried out on the second frequency spectrum, Second stage uplink scheduling Grant information is then sent to user equipment by the second descending sub frame, the second stage uplink scheduling is accurate Perhaps packet, which contains, is used to indicate the second configured information for carrying out up more subframe schedulings.User equipment receives the second descending son Frame, the second configured information in second stage uplink scheduling Grant information by parsing second descending sub frame, is known as more Subframe scheduling, so as in the first descending sub frame next received, go to solve according to the encapsulation format of default more subframe schedulings The DCI of the first subframe is analysed, obtains scheduled multiple sub-frame of uplink mark, so as to send line number on the plurality of sub-frame of uplink According to.

Optionally, second configured information is by the default sky in the Downlink Control Information DCI of second descending sub frame Not busy information field carrying；Or second configured information is by presetting letter in the Downlink Control Information DCI of second descending sub frame Cease the redundant bit carrying in domain.Wherein, presetting free message domain includes at least one in RV domains, CSI request domain, SRS request domain It is individual.

Such as in the second stage uplink scheduling Grant information of the second descending sub frame, by the presupposed information domain in DCI Redundant bit is set to redundancy value, and (value/that is not defined in original system is not made under some concrete scenes With), to represent that this is a special control information for carrying out up more subframe schedulings.E.g., including but it is not limited to：To newly it count 00 is set to (only by the information field in original system according to the 2bit information fields in instruction (New data indicates, NDI) domain 10,01,11 impart implication, and do not assign implication to 00), pass through redundant bit instruction and carry out up more subframe schedulings.

It should be noted that second scheduling grant information can be the descending son by authorizing frequency spectrum (i.e. the first frequency spectrum) Frame sends or sent by the descending sub frame of unlicensed spectrum (i.e. the second frequency spectrum).Preferably, in order to ensure second-order The stability of section uplink scheduling Grant information transmission, can use the descending sub frame for authorizing frequency spectrum to send.

S201, the first stage uplink scheduling Grant information that reception base station is sent by the first descending sub frame, described first Stage uplink scheduling Grant information includes the first of the mark for being used to indicate multiple sub-frame of uplink on the second scheduled frequency spectrum Configured information, wherein second frequency spectrum is unlicensed spectrum；

S202, according to first configured information, it is determined that scheduled the multiple sub-frame of uplink, and on the multiple Upstream data transmission is carried out in row subframe.

Step of embodiment of the present invention S201~S202 refer to Fig. 2 embodiment step S100~S101, no longer superfluous herein State.

It should be strongly noted that uplink scheduling permits letter corresponding to transmitting uplink data involved by the embodiment of the present invention The transmission of breath can be divided into a stage transmission (disposable to send) or two stages send and (are divided into and sending twice).If (first stage is only existed in the case of transmission using a stage), and user equipment can receive base station and pass through the first descending son The first stage uplink scheduling Grant information that frame is sent, the first stage uplink scheduling Grant information, which includes, to be used to indicate to be scheduled The second frequency spectrum on multiple sub-frame of uplink mark the first configured information, wherein second frequency spectrum is unlicensed spectrum, And according to the first configured information, it is determined that scheduled multiple sub-frame of uplink, and carried out on identified multiple sub-frame of uplink Upstream data is sent.If (first stage in the case of transmission using two stages not only be present, second-order also be present Section), then second stage uplink scheduling Grant information can be a public, semi-static Grant information, it may include for referring to Show the second configured information that up more subframe schedulings are carried out on second frequency spectrum, resource block (Resource can also be included Block, abbreviation RB) distribution information, MCS class informations etc.；First stage uplink scheduling Grant information can be then one specific Transmitting uplink data schedule information, such as can include being used to indicate multiple sub-frame of uplink on the second scheduled frequency spectrum Mark the first configured information, can trigger PUSCH channels be transmitted in some subframe.The first rank described in the present embodiment Section and second stage are used only to represent that the transmission time order and function of the information differs, and the first stage is not offered as in time sequencing On prior to second stage.Uplink scheduling it can permit in the first stage on the transmission time of second stage uplink scheduling Grant information Before information.It is by a relatively simple by the way of a stage carries out uplink scheduling, but in order to avoid because LBT fails as far as possible Caused by dispatch failure scenarios appearance, the mode of uplink scheduling is carried out by the way of the up Grant information of two benches and is existed It is proved to be beneficial in terms of improving dispatching efficiency.

Fig. 4 is refer to, is the flow chart of another data communications method provided in an embodiment of the present invention, the present embodiment is main It is described from base station side, as shown in figure 4, the data communications method of the embodiment of the present invention comprises the following steps：

S300, first stage uplink scheduling Grant information is generated, the first stage uplink scheduling Grant information, which includes, to be used In the first configured information of the mark of multiple sub-frame of uplink on the second frequency spectrum that instruction user equipment is scheduled, second frequency Compose as unlicensed spectrum；

S301, the first stage uplink scheduling Grant information is sent to the user by the first descending sub frame and set It is standby.

In the embodiment of the present invention, the first stage uplink scheduling Grant information can be by authorizing frequency spectrum (the i.e. first frequency Spectrum) descending sub frame send or by the transmission of the descending sub frame of unlicensed spectrum (i.e. the second frequency spectrum).Preferably, it is Ensure the stability of first stage uplink scheduling Grant information transmission, the descending sub frame for authorizing frequency spectrum can be used to send.

Optionally, before the generation first stage uplink scheduling Grant information, in addition to step S302~S303：

S302, second stage uplink scheduling Grant information is generated, the second stage uplink scheduling Grant information, which includes, to be used The second configured information of up more subframe schedulings is carried out on second frequency spectrum in the instruction user equipment；

S303, the second stage uplink scheduling Grant information is sent to the user by the second descending sub frame and set It is standby.

5 to accompanying drawing 8 below in conjunction with the accompanying drawings, illustrates the specific implementation of data communication equipment provided in an embodiment of the present invention.It is attached Fig. 5 and the data communication equipment described in accompanying drawing 6 can apply to user equipment side, and the data communication equipment of accompanying drawing 7- accompanying drawings 8 can With applied to base station side.

Fig. 5 is refer to, is a kind of structural representation of data communication equipment provided in an embodiment of the present invention, the data communicate Device can apply to user equipment, such as any UE in Fig. 1, the dress as shown in figure 4, a kind of data described in the present embodiment communicate Put including：Transmit-Receive Unit 100 and processing unit 101.

Transmit-Receive Unit 100, permit letter for receiving the first stage uplink scheduling that base station is sent by the first descending sub frame Breath, the first stage uplink scheduling Grant information are included for indicating multiple sub-frame of uplink on the second scheduled frequency spectrum First configured information of mark, wherein second frequency spectrum is unlicensed spectrum；

Processing unit 101, for according to first configured information, it is determined that scheduled the multiple sub-frame of uplink；

The Transmit-Receive Unit 100 is additionally operable to carry out upstream data transmission on scheduled multiple sub-frame of uplink.

Further alternative, the Transmit-Receive Unit 100 is additionally operable in receive that base station sent by the first descending sub frame the Before one stage uplink scheduling Grant information, receive the second stage uplink scheduling that base station is sent by the second descending sub frame and permit Information, the second stage uplink scheduling Grant information, which includes, to be used to indicate to carry out up more subframe schedulings on the second frequency spectrum Second configured information.

Fig. 6 is refer to, is the structural representation of another data communication equipment provided in an embodiment of the present invention, the data are led to T unit can apply to user equipment, and the data communication equipment 1000 includes transceiver 1010, memory 1020 and processing Device 1030.The user equipment that the data communication equipment is applied can be the UE shown in Fig. 1.

Specifically, the operation of the control data communicator 1000 of processor 1030.Memory 1020 can include read-only deposit Reservoir and random access memory, and instruction and data is provided to processor 1030, processor can be general processor, numeral Signal processor, application specific integrated circuit, field programmable gate array or other PLDs.The one of memory 1020 Part can also include non-volatile row random access memory (NVRAM).Each component of data communication equipment 1000 passes through total Line 1040 is coupled, wherein bus system 1040 in addition to including data/address bus, in addition to power bus, controlling bus and Status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus system 1040 in figure.Need to illustrate , the above-mentioned description for data communication equipment structure, can be applied to follow-up embodiment.

Transceiver 1010, permit letter for receiving the first stage uplink scheduling that base station is sent by the first descending sub frame Breath, the first stage uplink scheduling Grant information are included for indicating multiple sub-frame of uplink on the second scheduled frequency spectrum First configured information of mark, wherein second frequency spectrum is unlicensed spectrum；

Processor 1030, for according to first configured information, it is determined that scheduled the multiple sub-frame of uplink；

Transceiver 1010 is additionally operable to carry out upstream data transmission on scheduled multiple sub-frame of uplink.

Optionally, first configured information includes multiple character bits, and the multiple character bit is multiple for indicating Whether subframe is scheduled, the corresponding subframe of a character, wherein, the first character is used to indicate that corresponding subframe is scheduled, the Two characters are used to indicate that corresponding subframe is not scheduled.

Optionally, first configured information includes the starting subframe mark of scheduled continuous multiple subframes and described more The total length of individual subframe；Or

First configured information includes the starting subframe mark of scheduled continuous multiple subframes and terminates subframe mark.

Above-mentioned first configured information is by the default free message domain in the Downlink Control Information DCI of first descending sub frame Carrying；Or

Above-mentioned first configured information by presupposed information domain in the Downlink Control Information DCI of first descending sub frame redundancy Bit carries.

Default free message domain described above includes redundancy versions RV domains, channel status instruction request CSI domains, detection reference It is at least one in request signal SRS request domains.

Further alternative, transceiver 1010 is additionally operable to receive in the second stage that base station is sent by the second descending sub frame Row scheduling grant information, the second stage uplink scheduling Grant information are up more comprising being carried out for instruction on the second frequency spectrum Second configured information of subframe scheduling.

Above-mentioned second configured information is by the default free message domain in the Downlink Control Information DCI of second descending sub frame Carrying；Or

Above-mentioned second configured information by presupposed information domain in the Downlink Control Information DCI of second descending sub frame redundancy Bit carries.

Optionally, the first stage uplink scheduling Grant information is sent by the first descending sub frame of the first frequency spectrum；Institute Second stage uplink scheduling Grant information is stated to send by the second descending sub frame of first frequency spectrum；Wherein, first frequency Compose to authorize frequency spectrum.

Fig. 7 is refer to, for the structural representation of another data communication equipment provided in an embodiment of the present invention, the present embodiment Data communication equipment can apply to base station side, as illustrated, to include generation single for the data communication equipment of the embodiment of the present invention Member 200 and Transmit-Receive Unit 201；

Generation unit 200, for generating first stage uplink scheduling Grant information, the first stage uplink scheduling is permitted Packet contains the first configured information of the mark for the multiple sub-frame of uplink being used on the second frequency spectrum that instruction user equipment is scheduled, Second frequency spectrum is unlicensed spectrum；

Transmit-Receive Unit 201, for by the first descending sub frame by the first stage uplink scheduling Grant information send to The user equipment.

Optionally, the generation unit 200 is additionally operable to generation before first stage uplink scheduling Grant information is generated Two-stage uplink scheduling Grant information, the second stage uplink scheduling Grant information, which includes, to be used to indicate that the user equipment exists The second configured information of up more subframe schedulings is carried out on second frequency spectrum；

The Transmit-Receive Unit 201 is additionally operable to send out the second stage uplink scheduling Grant information by the second descending sub frame Deliver to the user equipment.

Fig. 8 is refer to, is the structural representation of another data communication equipment provided in an embodiment of the present invention, the present invention is real The data communication equipment for applying example can apply to base station side, the data communication equipment include transceiver 2010, memory 2020 with And processor 2030.

Specifically, the operation of the control data communicator 2000 of processor 2030.Memory 2020 can include read-only deposit Reservoir and random access memory, and instruction and data is provided to processor 2030, processor can be general processor, numeral Signal processor, application specific integrated circuit, field programmable gate array or other PLDs.The one of memory 2020 Part can also include non-volatile row random access memory (NVRAM).Each component of data communication equipment 2000 passes through total Line 2040 is coupled, wherein bus system 2040 in addition to including data/address bus, in addition to power bus, controlling bus and Status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus system 2040 in figure.Need to illustrate , the above-mentioned description for data communication equipment structure, can be applied to follow-up embodiment.

Processor 2030, for generating first stage uplink scheduling Grant information, the first stage uplink scheduling is permitted Packet contains the first configured information of the mark for the multiple sub-frame of uplink being used on the second frequency spectrum that instruction user equipment is scheduled, Second frequency spectrum is unlicensed spectrum；

Transceiver 2010, for being sent the first stage uplink scheduling Grant information to institute by the first descending sub frame State user equipment.

Optionally, processor 2030 is additionally operable to generate second stage uplink scheduling Grant information, and the second stage is up Scheduling grant information, which includes, to be used to indicate that the user equipment carries out the second of up more subframe schedulings on second frequency spectrum Configured information；

Transceiver 2010 be additionally operable to by the second descending sub frame by the second stage uplink scheduling Grant information send to The user equipment.

Optionally, the first stage uplink scheduling Grant information is sent by the first descending sub frame of the first frequency spectrum；

The second stage uplink scheduling Grant information is sent by the second descending sub frame of first frequency spectrum；

Wherein, first frequency spectrum is mandate frequency spectrum.

One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..

Step in present invention method can be sequentially adjusted, merged and deleted according to actual needs.

Module in terminal of the embodiment of the present invention can be combined, divided and deleted according to actual needs.

The parts such as the microcontroller of the embodiment of the present invention, can be with universal integrated circuit, such as CPU, or with special integrated electricity Road (Application Specific Integrated Circuit, ASIC) is realized.

Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.

Claims

A kind of 1. data communications method, it is characterised in that including：

Receive the first stage uplink scheduling Grant information that base station is sent by the first descending sub frame, the first stage up tune Degree Grant information includes the first configured information of the mark for being used to indicate multiple sub-frame of uplink on the second scheduled frequency spectrum, its Described in the second frequency spectrum be unlicensed spectrum；

According to first configured information, it is determined that scheduled the multiple sub-frame of uplink, and on the multiple sub-frame of uplink Carry out upstream data transmission.
2. the method as described in claim 1, it is characterised in that first configured information includes multiple character bits, described Multiple character bits are used to indicate whether multiple subframes are scheduled, the corresponding subframe of a character, wherein, the first character is used for Subframe is scheduled corresponding to instruction, and the second character is used to indicate that corresponding subframe is not scheduled.
3. the method as described in claim 1, it is characterised in that first configured information includes scheduled continuous more height The starting subframe mark of frame and the total length of the multiple subframe；Or

First configured information includes the starting subframe mark of scheduled continuous multiple subframes and terminates subframe mark.
4. method as claimed in claim 2 or claim 3, it is characterised in that first configured information is by first descending sub frame Downlink Control Information DCI in default free message domain carrying；Or

First configured information by presupposed information domain in the Downlink Control Information DCI of first descending sub frame redundant bit Carrying.
5. the method as described in claim 1, it is characterised in that it is described receive base station sent by the first descending sub frame first Before stage uplink scheduling Grant information, in addition to：

Receive the second stage uplink scheduling Grant information that base station is sent by the second descending sub frame, the up tune of second stage Degree Grant information, which includes, to be used to indicate the second configured information for carrying out up more subframe schedulings on second frequency spectrum.
6. method as claimed in claim 5, it is characterised in that second configured information is by under second descending sub frame Default free message domain carrying in row control information DCI；Or

Second configured information by presupposed information domain in the Downlink Control Information DCI of second descending sub frame redundant bit Carrying.
7. the method as described in claim 4 or 6, it is characterised in that the default free message domain includes superfluous in the DCI It is at least one in remaining version RV domains, channel status instruction request CSI domains, detection reference signal request SRS request domains.
8. method as claimed in claim 5, it is characterised in that the first stage uplink scheduling Grant information passes through the first frequency First descending sub frame of spectrum is sent；

The second stage uplink scheduling Grant information is sent by the second descending sub frame of first frequency spectrum；

Wherein, first frequency spectrum is mandate frequency spectrum.
A kind of 9. data communications method, it is characterised in that including：

First stage uplink scheduling Grant information is generated, the first stage uplink scheduling Grant information, which includes, is used for instruction user First configured information of the mark of multiple sub-frame of uplink on the second scheduled frequency spectrum of equipment, second frequency spectrum are unauthorized Frequency spectrum；

The first stage uplink scheduling Grant information is sent to the user equipment by the first descending sub frame.
10. method as claimed in claim 9, it is characterised in that before the generation first stage uplink scheduling Grant information, Also include：

Second stage uplink scheduling Grant information is generated, the second stage uplink scheduling Grant information includes described for indicating User equipment carries out the second configured information of up more subframe schedulings on second frequency spectrum；

The second stage uplink scheduling Grant information is sent to the user equipment by the second descending sub frame.
11. the method as described in claim 9 or 10, it is characterised in that the first stage uplink scheduling Grant information passes through First descending sub frame of the first frequency spectrum is sent；

The second stage uplink scheduling Grant information is sent by the second descending sub frame of first frequency spectrum；

Wherein, first frequency spectrum is mandate frequency spectrum.
A kind of 12. data communication equipment, applied to user equipment, it is characterised in that including：

Transmit-Receive Unit, the first stage uplink scheduling Grant information sent for receiving base station by the first descending sub frame are described First stage uplink scheduling Grant information includes the mark for indicating multiple sub-frame of uplink on the second scheduled frequency spectrum First configured information, wherein second frequency spectrum is unlicensed spectrum；

Processing unit, for according to first configured information, it is determined that scheduled the multiple sub-frame of uplink；

The Transmit-Receive Unit is additionally operable to carry out upstream data transmission on scheduled multiple sub-frame of uplink.
13. method as claimed in claim 12, it is characterised in that first configured information includes multiple character bits, institute State multiple character bits to be used to indicate whether multiple subframes are scheduled, the corresponding subframe of a character, wherein, the first character is used It is scheduled in subframe corresponding to instruction, the second character is used to indicate that corresponding subframe is not scheduled.
14. method as claimed in claim 12, it is characterised in that first configured information is continuous multiple including what is be scheduled The starting subframe mark of subframe and the total length of the multiple subframe；Or

First configured information includes the starting subframe mark of scheduled continuous multiple subframes and terminates subframe mark.
15. the device as described in claim 13 or 14, it is characterised in that first configured information is by the described first descending son Default free message domain carrying in the Downlink Control Information DCI of frame；Or

First configured information by presupposed information domain in the Downlink Control Information DCI of first descending sub frame redundant bit Carrying.
16. device as claimed in claim 12, it is characterised in that

The Transmit-Receive Unit is additionally operable to receive the second stage uplink scheduling Grant information that base station is sent by the second descending sub frame, The second stage uplink scheduling Grant information, which includes, to be used to indicate to carry out up more subframe schedulings on second frequency spectrum Second configured information.
17. device as claimed in claim 16, it is characterised in that second configured information is by second descending sub frame Default free message domain carrying in Downlink Control Information DCI；Or

Second configured information by presupposed information domain in the Downlink Control Information DCI of second descending sub frame redundant bit Carrying.
18. the device as described in claim 15 or 17, it is characterised in that the default free message domain is included in the DCI Redundancy versions RV domains, channel status instruction request CSI domains, at least one in detection reference signal request SRS request domains It is individual.
19. device as claimed in claim 16, it is characterised in that the first stage uplink scheduling Grant information passes through first First descending sub frame of frequency spectrum is sent；

The second stage uplink scheduling Grant information is sent by the second descending sub frame of first frequency spectrum；

Wherein, first frequency spectrum is mandate frequency spectrum.
A kind of 20. data communication equipment, applied to base station, it is characterised in that including：

Generation unit, for generating first stage uplink scheduling Grant information, the first stage uplink scheduling Grant information bag First configured information of the mark containing multiple sub-frame of uplink on the second frequency spectrum being scheduled for instruction user equipment, described the Two frequency spectrums are unlicensed spectrum；

Transmit-Receive Unit, for being sent the first stage uplink scheduling Grant information to the user by the first descending sub frame Equipment.
21. device as claimed in claim 20, it is characterised in that

The generation unit is additionally operable to generate second stage uplink scheduling Grant information, and the second stage uplink scheduling permits letter Breath, which includes, to be used to indicate that the user equipment carries out the second configured information of up more subframe schedulings on second frequency spectrum；

The Transmit-Receive Unit is additionally operable to send the second stage uplink scheduling Grant information to institute by the second descending sub frame State user equipment.
22. the device as described in claim 20 or 21, it is characterised in that the first stage uplink scheduling Grant information passes through First descending sub frame of the first frequency spectrum is sent；

The second stage uplink scheduling Grant information is sent by the second descending sub frame of first frequency spectrum；

Wherein, first frequency spectrum is mandate frequency spectrum.