CN103053212B - Resource regulating method and data transmission method and equipment and system - Google Patents

Resource regulating method and data transmission method and equipment and system Download PDF

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Publication number
CN103053212B
CN103053212B CN201180000923.1A CN201180000923A CN103053212B CN 103053212 B CN103053212 B CN 103053212B CN 201180000923 A CN201180000923 A CN 201180000923A CN 103053212 B CN103053212 B CN 103053212B
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ndi
uplink
sub
frame
control information
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CN103053212A (en
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邴立东
杨安全
邢聃
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Abstract

A kind of resource regulating method and data transmission method and equipment and system.If access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can send DCI to subscriber equipment, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, and the 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.Based on this indicating mechanism, access device just can realize the data transfer mode of the HARQ passage indicating two sub-frame of uplink to subscriber equipment by a DCI, also help the consumption reduced as far as possible PDCCH resource simultaneously.

Description

Resource regulating method and data transmission method and equipment and system
Technical field
The present invention relates to communication technical field, particularly resource regulating method and data transmission method and equipment and system.
Background technology
At present, several proportion relations of ascending-descending subframes quantity in Long Term Evolution (LTE, Long Term Evolution) system definition, the up-downgoing proportion relation of different configuration is such as shown in table 1.
Table 1
7 kinds of up-downgoing proportion relations have been shown in table 1, proportioning 0 time DL: UL=1: 3, the sub-frame of uplink (Uplink Subframe) under proportioning 0 more than descending sub frame (Downlink Subframe) and ratio comparatively lack of proper care.
Can be scheduled for for making all sub-frame of uplink as far as possible, such as LTE proportioning 0 time, access device may need to dispatch two sub-frame of uplink by a descending sub frame simultaneously, corresponding schedule information is by Physical Downlink Control Channel (PDCCH, Physical downlink control channel) carrying, because PDCCH resource is very valuable, therefore, how to realize a descending sub frame dispatch two sub-frame of uplink simultaneously and the consumption to PDCCH resource can be reduced again as far as possible, a problem highly studied exactly.
Summary of the invention
Resource regulating method provided by the invention and data transmission method, equipment and system, to realizing while a descending sub frame dispatches two sub-frame of uplink, reducing the consumption to PDCCH resource as far as possible.
An aspect of of the present present invention provides a kind of resource regulating method, can comprise:
Send Downlink Control Information to subscriber equipment, wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data; Described Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, and wherein, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink; Or described Downlink Control Information also comprises the 3rd NDI, wherein, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink.
Another aspect of the present invention provides a kind of data transmission method, can comprise:
Subscriber equipment receives the Downlink Control Information from access device, and wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data;
If described Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink, NDI value then indicated by a described NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of described two sub-frame of uplink;
Or,
If described Downlink Control Information also comprises the 3rd NDI, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of described two sub-frame of uplink.
Another aspect of the present invention also provides a kind of access device, can comprise:
Antenna and transmitter;
Described transmitter, for sending Downlink Control Information by described sky alignment subscriber equipment, wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data; Described Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, and wherein, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink; Or described Downlink Control Information also comprises the 3rd NDI, wherein, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink.
Another aspect of the present invention provides a kind of subscriber equipment, can comprise:
Receiver, for being received the Downlink Control Information from access device by antenna, wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data;
Transmitter, during for also comprising the first new data instruction NDI and the 2nd NDI at described Downlink Control Information, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink, NDI value then indicated by a described NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of described two sub-frame of uplink; Or, when described Downlink Control Information also comprises the 3rd NDI, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of described two sub-frame of uplink.
Another aspect of the present invention provides a kind of communication system, can comprise:
Equipment as described in above-described embodiment.
In above-mentioned technical scheme, if access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can send DCI to subscriber equipment, wherein, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.Based on this indicating mechanism, access device just can realize by a DCI data transfer mode (transmission new data or data retransmission) indicating the HARQ passage of two sub-frame of uplink to subscriber equipment, also helps the consumption reduced as far as possible PDCCH resource simultaneously.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein such as can with except here illustrated or otherwise describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, to comprise the process of a series of unit, method, system, product or equipment being not necessarily limited to those unit, but can comprise clearly do not list or for intrinsic other unit of these processes, method, product or equipment.
Be described in detail respectively by the following examples.
First illustrate, embodiment of the present invention indication access device refers to the entity that can realize subscriber equipment radio access management function, and access device may have different titles, position and product form in different networks.
For example, the access device mentioned in the following embodiment of the present invention such as can refer to: evolved universal mobile communication system (UMTS, Universal Mobile Telecommunications System) base station of evolution base station (eNodeB), Home eNodeB (HeNB) or other type in land radio access web (E-UTRAN, Evolved UMTS Territorial Radio Access Network).
First be described from the angle of access device below.
An embodiment of resource regulating method of the present invention, can comprise: send Downlink Control Information (DCI to subscriber equipment, Downlink Control Information), this Downlink Control Information comprises uplink subframe scheduling instruction, and the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data; This Downlink Control Information also comprises the first new data instruction (NDI, New Date Indication) and the 2nd NDI, wherein, one NDI and the 2nd NDI is respectively used to the NDI value of hybrid automatic repeat-request (HARQ, the Hybrid Automatic Repeat Request) passage indicating above-mentioned two sub-frame of uplink; Or this Downlink Control Information also comprises the 3rd NDI, wherein, the 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of above-mentioned subscriber equipment at above-mentioned two sub-frame of uplink.
See Fig. 1, a kind of performing step of citing can comprise:
110, access device generates Downlink Control Information;
Under a kind of application scenarios, a usual corresponding a kind of subframe proportioning in community, such as certain community may correspond to the ratio of uplink subframe to downlink subframe relations such as proportioning 0, proportioning 1 or proportioning 2.For ease of describing, can by the community of corresponding proportioning 0 referred to as proportioning 0 community in the embodiment of the present invention, by the community of corresponding proportioning 1 referred to as proportioning 1 community, by that analogy.
Such as, in proportioning 0 community (or other community or other at least there is the message of two sub-frame of uplink proportionings), if access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then Downlink Control Information is generated, wherein, this Downlink Control Information comprises uplink subframe scheduling instruction, the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data, the instruction of this uplink subframe scheduling can be such as, the up call number of correspondence (UlIndex) value of instruction scheduling two sub-frame of uplink transmission data, this Downlink Control Information also can comprise a NDI and the 2nd NDI, wherein, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, for example, if the NDI value indicated by a NDI, with the corresponding NDI value of preserving (wherein, this NDI value of having preserved corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to a NDI) identical (such as NDI value be all " 0 " or be all " 1 "), then represent the HARQ passage data retransmission of equipment for indicating user at this sub-frame of uplink, if the NDI value indicated by a NDI, corresponding NDI value is contrary with preserving, then represent the HARQ channel transfer new data of equipment for indicating user at this sub-frame of uplink.Similar, if the NDI value indicated by the 2nd NDI, identical with the corresponding NDI value of preserving (this NDI value of having preserved corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to the 2nd NDI) (such as NDI value be all " 0 " or be all " 1 "), then represent the HARQ passage data retransmission of equipment for indicating user at this sub-frame of uplink, if the NDI value indicated by the 2nd NDI, contrary with the corresponding NDI value of preserving, then represent the HARQ channel transfer new data of equipment for indicating user at this sub-frame of uplink.
Or, if above-mentioned Downlink Control Information is except comprising uplink subframe scheduling instruction, also include the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at above-mentioned two sub-frame of uplink, for example, suppose that the 3rd NDI takies 1 bit, agreement can be given tacit consent between access device and subscriber equipment, when the NDI value indicated by the 3rd NDI is " 1 ", represent the HARQ passage all data retransmission of equipment for indicating user at above-mentioned two sub-frame of uplink, and when the NDI value indicated by the 3rd NDI is " 0 ", represent that equipment for indicating user all transmits new data at the HARQ passage of above-mentioned two sub-frame of uplink, by that analogy.
In actual applications, the Downlink Control Information that access device generates may be such as the Downlink Control Information DCI0 (may be maybe the DCI of other form) of No. zero form.Wherein, if comprise a NDI and the 2nd NDI in this Downlink Control Information, then a NDI and the 2nd NDI may take 1 bit (certainly, a NDI and/or the 2nd NDI also may take multiple bit) respectively.Or if comprise the 3rd NDI in this Downlink Control Information, then the 3rd NDI may take 1 bit (certainly, the 3rd NDI also may take multiple bit).
To illustrate introduction for LTE system below.
In LTE system, owing to proposing very high requirement to user face throughput, so scheduling needs the various interface-free resources of reasonable distribution, interface-free resources expense should be minimized, ensure the throughput performance in user face again.
The DCI that access device generates is carried by PDCCH, may comprise other control information of up-downgoing Resourse Distribute and a UE or group UE in DCI.Wherein, each PDCCH uses one or more continuous print control channel element (CCE, Control Channel Element).
In system, obtainable CCE is from 0 open numbering, and PDCCH supports multiple format, such as, see the following form shown in 2.Wherein, if a PDCCH is made up of n continuous CCE, it can from the CCE open numbering of numbering I mod n=0, and wherein, i is CCE Base Serial Number.
Table 2
Uplink physical channel comprises: Physical Uplink Shared Channel (PUSCH, Physical Uplink SharedChannel), Physical Uplink Control Channel (PUCCH, Physical uplink control channel), Physical Random Access Channel (PRACH, Physical random access channel) etc., wherein, PUCCH is positioned at the two ends of whole frequency band, PUSCH is positioned in the middle of frequency band, PUSCH carries uplink business data, it uses the HARQ of N channel agreement such as " stop-", and uplink synchronous, and this just means in the fixing cycle, in specific subframe to cyclic redundancy check (CRC) (CRC, Cyclic Redundancy Check) the first biography subframe of makeing mistakes can retransmit.
In LTE system, the DCI (DCI0) of No. 0 form is generally used for PUSCH scheduling, and DCI0 is by PDCCH channel bearing.
In the embodiment of the present invention, if the Downlink Control Information that access device generates is DCI0, then this DCI0 such as may comprise following information:
The diacritics position of DCI0 and DCI-1A---1 bit, wherein: " 0 " presentation format 0, " 1 " presentation format 1A;
Frequency hopping flag bit---1 bit;
Resource block assignments and frequency-hopping resource distribute--- bit;
PUSCH frequency hopping: a NUL_hop highest significant position is used for obtaining value; individual bit provides the Resourse Distribute of first time slot of sub-frame of uplink;
For non-hopping PUSCH:
individual bit provides the Resourse Distribute of sub-frame of uplink;
Modulation and Coding Scheme and redundancy versions---5 bits;
New data instruction NDI---1 ~ 2 bit (as a NDI and the 2nd NDI, or, the 3rd NDI);
The transmission power control command of the PUSCH be scheduled---2 bits;
Demodulated reference signal cyclic shift---3 bits;
Up call number UlIndex---2 bits; (this field appears at the up-downgoing proportioning 0 of TDD usually);
Descending allocation index---2 bits (this field appears at TDD up-downgoing proportioning 1-6 usually);
Channel quality instruction (CQI, Channel Quality Indicator) request---1 bit;
If the information bit figure place of DCI0 is less than the payload size (comprising any filling bit adding DCI-1A to) of DCI-1A, then DCI0 can fill 0 until payload size equals the payload size of form DCI-1A.
In actual applications, the value of the up call number (UlIndex) comprised in the Downlink Control Information of access device such as by generation, indicates it whether to dispatch two sub-frame of uplink simultaneously.
Such as, as UlIndex=11 (MSB=1, LSB=1), equipment for indicating user is at n+k subframe and n+7 sub-frame transmission upstream data.
As UlIndex=10 (MSB=1, LSB=0), equipment for indicating user is at n+k sub-frame transmission upstream data.
As UlIndex=01 (MSB=0, LSB=1), equipment for indicating user is at n+7 sub-frame transmission upstream data.
Wherein, corresponding agreement 3GPP (the The 3rd Generation Partnership Project of k, third generation partner program) Table 8-2k for TDD configurations 0-6 in TS 36.213 v9.3.0, n represents present sub-frame number.
The scheduling scenario that citing three kinds is possible below, can be as shown in table 3.
Table 3
As can be seen from Table 3, such as, subframe numbers be 2 up Harq process number (i.e. Harq channel number) corresponding to sub-frame of uplink be 0, subframe numbers be 3 up Harq process number corresponding to sub-frame of uplink be 1; Subframe numbers be 7 up Harq process number corresponding to sub-frame of uplink be 3, by that analogy.
Scheduling scenario one
Access device issues DCI0 at 1A (subframe 0) place, and wherein, UlIndex=11 (MSB=1, LSB=1), then equipment for indicating user is at 1B (subframe 4 and subframe 7) transmit ascending data.
Scheduling scenario two
Access device issues DCI0 at 2A (subframe 0) place, and wherein, UlIndex=10 (MSB=1, LSB=0), then equipment for indicating user is at 2B (subframe 4) transmit ascending data.
Scheduling scenario three
Access device issues DCI0 at 3A (subframe 0) place, and wherein, UlIndex=01 (MSB=0, LSB=1), then equipment for indicating user is at 3B (subframe 7) transmit ascending data.
In actual applications, when access device need dispatch 2 sub-frame of uplink by 1 descending sub frame, the value of the UlIndex comprised in its DCI0 generated can be " 11 ", dispatches two sub-frame of uplink to indicate it to subscriber equipment simultaneously.
120, access device sends this Downlink Control Information to subscriber equipment.
In actual applications, after access device can generate above-mentioned Downlink Control Information, this Downlink Control Information is sent again by sky alignment subscriber equipment, or, access device also can generate while send this Downlink Control Information by sky alignment subscriber equipment, namely the generation of above-mentioned Downlink Control Information can intert with forwarding step together with realize.
Accordingly, subscriber equipment can receive this Downlink Control Information from access device, and this Downlink Control Information comprises uplink subframe scheduling instruction, and the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data; If this Downlink Control Information also includes a NDI and the 2nd NDI, wherein, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, then subscriber equipment can NDI value indicated by a NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of two sub-frame of uplink, or, if this Downlink Control Information also comprises the 3rd NDI, then subscriber equipment can all transmit new data or all data retransmissions at the HARQ passage of these two sub-frame of uplink.
Wherein, subscriber equipment such as receives to obtain Downlink Control Information by resolving, and knows its relevant information of carrying.
Therefore, if the present embodiment access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can generate and send DCI to subscriber equipment, wherein, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.Based on this indicating mechanism, access device just can realize by a DCI data transfer mode (transmission new data or data retransmission) indicating the HARQ passage of two sub-frame of uplink to subscriber equipment, also helps the consumption reduced as far as possible PDCCH resource simultaneously.
Be described from the angle of subscriber equipment below.
An embodiment of data transmission method of the present invention, can comprise: subscriber equipment receives the Downlink Control Information from access device, wherein, this Downlink Control Information comprises uplink subframe scheduling instruction, and the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data; If this Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating above-mentioned two sub-frame of uplink, NDI value then indicated by a NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of above-mentioned two sub-frame of uplink; Or, if above-mentioned Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of subscriber equipment at above-mentioned two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of above-mentioned two sub-frame of uplink.
See Fig. 2, concrete steps can comprise:
210, subscriber equipment receives the Downlink Control Information from access device, wherein, this Downlink Control Information comprises uplink subframe scheduling instruction, and the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data (UlIndex=11 in such as this Downlink Control Information).
Wherein, such as this community, subscriber equipment place be proportioning 0 community or other at least there is the message of two sub-frame of uplink proportionings;
220, if this Downlink Control Information also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, the then NDI value of subscriber equipment indicated by a NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of above-mentioned two sub-frame of uplink, or, if above-mentioned Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of subscriber equipment at above-mentioned two sub-frame of uplink, then subscriber equipment is at HARQ passage all data retransmissions or all transmit new data of above-mentioned two sub-frame of uplink.
Wherein, if this Downlink Control Information also comprises a NDI and the 2nd NDI, if and the NDI value indicated by a NDI, identical with the corresponding NDI value of preserving (this NDI value corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to a NDI) (such as NDI value be all " 0 " or be all " 1 "), then represent the HARQ passage data retransmission of equipment for indicating user at this sub-frame of uplink, if the NDI value indicated by a NDI, corresponding NDI value (this NDI value corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to a NDI) is contrary with preserving, then represent the HARQ channel transfer new data of equipment for indicating user at this sub-frame of uplink, similar with the instruction of the 2nd NDI, if the NDI value indicated by the 2nd NDI, identical with the corresponding NDI value of preserving (this NDI value corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to the 2nd NDI) (such as these two NDI values be all " 0 " or be all " 1 "), then represent the HARQ passage data retransmission of equipment for indicating user at this sub-frame of uplink, if the NDI value indicated by the 2nd NDI, corresponding NDI value (this NDI value corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to the 2nd NDI) is contrary with preserving, then represent the HARQ channel transfer new data of equipment for indicating user at this sub-frame of uplink.
Or, if this Downlink Control Information also comprises the 3rd NDI, then can represent the HARQ passage all data retransmission or all transmit new data of equipment for indicating user at two sub-frame of uplink; For example, suppose that the 3rd NDI takies 1 bit, agreement can be given tacit consent between access device and subscriber equipment, when the NDI value indicated by the 3rd NDI is " 1 ", represent the HARQ passage all data retransmission of equipment for indicating user at above-mentioned two sub-frame of uplink, and when the NDI value indicated by the 3rd NDI is " 0 ", represent that equipment for indicating user all transmits new data at the HARQ passage of above-mentioned two sub-frame of uplink, by that analogy.
Further, if this Downlink Control Information also comprises the 3rd NDI, for keeping the synchronous of the NDI value of subscriber equipment and access device preservation, subscriber equipment also can preserve two NDI values corresponding to the HARQ channel number of above-mentioned two sub-frame of uplink (if saved two corresponding NDI values before this, then these two NDI values renewable), this NDI value is the value (or this NDI value is obtained by the value conversion of the 3rd NDI) of the 3rd NDI, two NDI values that subscriber equipment can be made like this to preserve, two NDI values of preserving corresponding to access device keep synchronous.
For example, suppose that the 3rd NDI takies 1 bit, also agreement can be given tacit consent between access device and subscriber equipment, if the correspondence of preserving in access device two NDI values are " 11 ", then the value of the 3rd NDI also can be " 1 ", subscriber equipment upgrades correspondence two NDI values of having preserved according to the value of the 3rd NDI be " 11 ", if the correspondence of preserving in access device two NDI values are " 00 ", then the NDI value of the 3rd NDI also can be " 0 ", it is " 00 " that subscriber equipment can upgrade correspondence two NDI values of having preserved according to the NDI value of the 3rd NDI, by that analogy.
Therefore, if the present embodiment access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can generate and send DCI to subscriber equipment, wherein, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.Subscriber equipment receives from after the DCI of access device, according to the NDI value of the NDI that DCI carries, at HARQ passage data retransmission or the transmission new data of these two sub-frame of uplink.Based on this mechanism, access device just can realize by a DCI data transfer mode (transmission new data or data retransmission) indicating the HARQ passage of two sub-frame of uplink to subscriber equipment, also helps the consumption reduced as far as possible PDCCH resource simultaneously.
For ease of better implementing the technical scheme of the embodiment of the present invention, be also provided for the relevant device implementing such scheme below.
See Fig. 3, a kind of access device 300 that the embodiment of the present invention provides, can comprise:
Antenna 310 and transmitter 320;
Transmitter 320, for sending Downlink Control Information by antenna 310 to subscriber equipment, wherein, above-mentioned Downlink Control Information comprises uplink subframe scheduling instruction, and above-mentioned uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data; Above-mentioned Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, and wherein, an above-mentioned NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating above-mentioned two sub-frame of uplink; Or above-mentioned Downlink Control Information also comprises the 3rd NDI, wherein, above-mentioned 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of above-mentioned subscriber equipment at above-mentioned two sub-frame of uplink.
Under a kind of application scenarios, the Downlink Control Information that transmitter 320 sends is the Downlink Control Information DCI0 of No. 0 form or the DCI of other form.
Such as, in proportioning 0 community (or other community or other at least there is the message of two sub-frame of uplink proportionings), if access device 300 need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then transmitter 320 sends Downlink Control Information to subscriber equipment, wherein, this Downlink Control Information comprises uplink subframe scheduling instruction, the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data, the instruction of this uplink subframe scheduling can be such as, the up call number of correspondence (UlIndex) value of instruction scheduling two sub-frame of uplink transmission data, this Downlink Control Information also can comprise a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, for example, if the NDI value indicated by a NDI, identical with the corresponding NDI value of preserving (this NDI value of having preserved corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to a NDI) (such as NDI value be all " 0 " or be all " 1 "), then represent the HARQ passage data retransmission of equipment for indicating user at this sub-frame of uplink, if the NDI value indicated by a NDI, corresponding NDI value is contrary with preserving, then represent the HARQ channel transfer new data of equipment for indicating user at this sub-frame of uplink.Similar, if the NDI value indicated by the 2nd NDI, with the corresponding NDI value of preserving (wherein, this NDI value of having preserved corresponds to the HARQ channel number of certain sub-frame of uplink corresponding to the 2nd NDI) identical (such as NDI value be all " 0 " or be all " 1 "), then represent the HARQ passage data retransmission of equipment for indicating user at this sub-frame of uplink, if the NDI value indicated by the 2nd NDI, contrary with the corresponding NDI value of preserving, then represent the HARQ channel transfer new data of equipment for indicating user at this sub-frame of uplink.
Or, if above-mentioned Downlink Control Information is except comprising uplink subframe scheduling instruction, also include the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at above-mentioned two sub-frame of uplink, for example, suppose that the 3rd NDI takies 1 bit, agreement can be given tacit consent between access device and subscriber equipment, when the NDI value indicated by the 3rd NDI is " 1 ", represent the HARQ passage all data retransmission of equipment for indicating user at above-mentioned two sub-frame of uplink, and when the NDI value indicated by the 3rd NDI is " 0 ", represent that equipment for indicating user all transmits new data at the HARQ passage of above-mentioned two sub-frame of uplink, by that analogy.
Be understandable that, the access device 300 of the present embodiment can be as the access device in above-mentioned embodiment of the method, the above-mentioned function of its each functional module can according to the method specific implementation in said method embodiment, its specific implementation process can see the associated description in said method embodiment, and this is no longer going to repeat them.
Therefore, if the present embodiment access device 300 need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can generate and send DCI to subscriber equipment, wherein, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.Based on this indicating mechanism, access device 300 just can realize by a DCI data transfer mode (transmission new data or data retransmission) indicating the HARQ passage of two sub-frame of uplink to subscriber equipment, also helps the consumption reduced as far as possible PDCCH resource simultaneously.
See Fig. 4-a, a kind of subscriber equipment 400 that the embodiment of the present invention provides, can comprise: receiver 410 and transmitter 420.
Receiver 410, for being received the Downlink Control Information from access device by antenna, wherein, above-mentioned Downlink Control Information comprises uplink subframe scheduling instruction, and above-mentioned uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data;
Transmitter 420, when above-mentioned Downlink Control Information for receiving at receiver 410 also comprises the first new data instruction NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating above-mentioned two sub-frame of uplink, NDI value then indicated by a NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of above-mentioned two sub-frame of uplink; Or, when above-mentioned Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of above-mentioned subscriber equipment at above-mentioned two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of above-mentioned two sub-frame of uplink.
See Fig. 4-b, under a kind of application scenarios, subscriber equipment 400 also can comprise:
Memory 430, two NDI values that HARQ channel number for preserving above-mentioned two sub-frame of uplink is corresponding are (if saved two corresponding NDI values before this, then these two NDI values renewable), this NDI value can be the 3rd NDI value (or, this NDI value is converted by the value of the 3rd NDI and obtains), or this NDI value is a NDI and the 2nd NDI (or this NDI value is converted by the value of a NDI and the 2nd NDI and obtains).
Such as, when above-mentioned Downlink Control Information also comprises the 3rd NDI, for keeping the synchronous of the NDI value of subscriber equipment and access device preservation, memory 430 preserves two NDI values corresponding to the HARQ channel number of above-mentioned two sub-frame of uplink (if saved two corresponding NDI values before this, then these two NDI values of the renewable preservation of memory 430), this NDI value is the value (or this NDI value is obtained by the value conversion of the 3rd NDI) of the 3rd NDI, two NDI values that subscriber equipment can be made like this to preserve, two NDI values of preserving corresponding to access device keep synchronous.
For example, suppose that the 3rd NDI takies 1 bit, also agreement can be given tacit consent between access device and subscriber equipment, if the correspondence of preserving in access device two NDI values are " 11 ", then the value of the 3rd NDI also can be " 1 ", then memory 430 upgrades correspondence two NDI values of having preserved according to the value of the 3rd NDI is " 11 ", if the correspondence of preserving in access device two NDI values are " 00 ", then the value of the 3rd NDI also can be " 0 ", then memory 430 can upgrade correspondence two NDI values of having preserved according to the value of the 3rd NDI is " 00 ", by that analogy.
Be understandable that, the subscriber equipment 400 of the present embodiment can be as the subscriber equipment in above-mentioned embodiment of the method, the above-mentioned function of its each functional module can according to the method specific implementation in said method embodiment, its specific implementation process can see the associated description in said method embodiment, and this is no longer going to repeat them.
Therefore, if the present embodiment access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can generate and send DCI to subscriber equipment, wherein, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.After subscriber equipment 400 receives the DCI from access device, according to the NDI value of the NDI that DCI carries, at HARQ passage data retransmission or the transmission new data of these two sub-frame of uplink.Based on this mechanism, access device just can realize by a DCI data transfer mode (transmission new data or data retransmission) indicating the HARQ passage of two sub-frame of uplink to subscriber equipment, also helps the consumption reduced as far as possible PDCCH resource simultaneously.
The embodiment of the present invention also provides a kind of communication system, it is characterized in that, comprising: access device 300 or subscriber equipment 400.
Also provide a kind of communication system see Fig. 5, the embodiment of the present invention, comprising: access device 510 and subscriber equipment 520.
Access device 510, for sending Downlink Control Information to subscriber equipment 520, wherein, this Downlink Control Information comprises uplink subframe scheduling instruction, and the instruction of this uplink subframe scheduling is used to indicate scheduling two sub-frame of uplink transmission data; This Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, and wherein, a NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating these two sub-frame of uplink; Or this Downlink Control Information also comprises the 3rd NDI, wherein, the 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of subscriber equipment 520 at above-mentioned two sub-frame of uplink.
Subscriber equipment 520, for receiving the above-mentioned Downlink Control Information from access device 510; If above-mentioned Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating above-mentioned two sub-frame of uplink, NDI value then indicated by an above-mentioned NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of above-mentioned two sub-frame of uplink; Or, if above-mentioned Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of subscriber equipment 520 at above-mentioned two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of above-mentioned two sub-frame of uplink.
In addition, subscriber equipment 520 also can be used for, preserve two NDI values corresponding to the HARQ channel number of above-mentioned two sub-frame of uplink (if saved two corresponding NDI values before this, then these two NDI values renewable), this NDI value is the value (or this NDI value is obtained by the value conversion of the 3rd NDI) of the 3rd NDI, or this NDI value is a NDI and the 2nd NDI (or this NDI value is obtained by the value conversion of a NDI and the 2nd NDI).
Such as, when Downlink Control Information also comprises the 3rd NDI, for keeping the synchronous of the NDI value of subscriber equipment 520 and access device 510 preservation, subscriber equipment 520 preserves two NDI values corresponding to the HARQ channel number of above-mentioned two sub-frame of uplink (if saved two corresponding NDI values before this, then memory 430 these two NDI values renewable), this NDI value is the value (or this NDI value is obtained by the value conversion of the 3rd NDI) of the 3rd NDI, two NDI values that subscriber equipment 520 can be made like this to preserve, two NDI values of preserving corresponding to access device 510 keep synchronous.
For example, suppose that the 3rd NDI takies 1 bit, also agreement can be given tacit consent between access device 510 and subscriber equipment 520, if correspondence two NDI values of preserving in access device 510 are " 11 ", then the value of the 3rd NDI also can be " 1 ", then subscriber equipment 520 upgrades correspondence two NDI values of having preserved according to the value of the 3rd NDI is " 11 ", if correspondence two NDI values of preserving in access device 510 are " 00 ", then the value of the 3rd NDI also can be " 0 ", then subscriber equipment 520 can upgrade correspondence two NDI values of having preserved according to the value of the 3rd NDI is " 00 ", by that analogy.
Be understandable that, the access device 510 of the present embodiment can be as the access device in above-mentioned embodiment of the method, subscriber equipment 520 can be as the subscriber equipment in above-mentioned embodiment of the method, the above-mentioned function of its each functional module can according to the method specific implementation in said method embodiment, its specific implementation process see the associated description in said method embodiment, can not repeat them here.
To sum up, if embodiment of the present invention access device need dispatch two sub-frame of uplink transmission data by a descending sub frame simultaneously, then can generate and send DCI to subscriber equipment, wherein, this DCI comprises the uplink subframe scheduling instruction being used to indicate scheduling two sub-frame of uplink transmission data, if this DCI also comprises a NDI and the 2nd NDI, one NDI and the 2nd NDI is respectively used to the NDI value of the HARQ passage indicating above-mentioned two sub-frame of uplink, or, this Downlink Control Information also comprises the 3rd NDI, 3rd NDI is used to indicate HARQ passage data retransmission or the transmission new data of subscriber equipment at these two sub-frame of uplink.After subscriber equipment 400 receives the DCI from access device, according to the NDI value of the NDI that DCI carries, at HARQ passage data retransmission or the transmission new data of these two sub-frame of uplink.Based on this mechanism, access device just can realize by a DCI data transfer mode (transmission new data or data retransmission) indicating the HARQ passage of two sub-frame of uplink to subscriber equipment, also helps the consumption reduced as far as possible PDCCH resource simultaneously.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program completes, above-mentioned program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The resource regulating method provided the embodiment of the present invention above and data transmission method and equipment and system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to sum up, this description should not be construed as limitation of the present invention.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described describing the required accompanying drawing used to embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of a kind of resource regulating method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of data transmission method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of access device that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of subscriber equipment that Fig. 4-a provides for the embodiment of the present invention;
The structural representation of the another kind of subscriber equipment that Fig. 4-b provides for the embodiment of the present invention;
The schematic diagram of a kind of communication system that Fig. 5 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides resource regulating method and data transmission method and equipment and system.
The present invention program is understood better for making those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.

Claims (10)

1. a resource regulating method, is characterized in that, comprising:
Send Downlink Control Information to subscriber equipment, wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data; Described Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, and wherein, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink; Or described Downlink Control Information also comprises the 3rd NDI, wherein, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink.
2. method according to claim 1, is characterized in that, described Downlink Control Information is the Downlink Control Information DCI0 of No. 0 form.
3. method according to claim 1 and 2, is characterized in that, the NDI in described Downlink Control Information and the 2nd NDI takies 1 bit respectively.
4. a data transmission method, is characterized in that, comprising:
Subscriber equipment receives the Downlink Control Information from access device, and wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data;
If described Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink, NDI value then indicated by a described NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of described two sub-frame of uplink;
Or,
If described Downlink Control Information also comprises the 3rd NDI, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of described two sub-frame of uplink.
5. method according to claim 4, is characterized in that, also comprises:
Preserve two NDI values that the HARQ channel number of described two sub-frame of uplink is corresponding, described NDI value is the value of described 3rd NDI.
6. an access device, is characterized in that, comprising:
Antenna and transmitter;
Described transmitter, for sending Downlink Control Information by described sky alignment subscriber equipment, wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data; Described Downlink Control Information also comprises the first new data instruction NDI and the 2nd NDI, and wherein, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink; Or described Downlink Control Information also comprises the 3rd NDI, wherein, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink.
7. access device according to claim 6, is characterized in that, the Downlink Control Information that described transmitter sends is the Downlink Control Information DCI0 of No. 0 form.
8. a subscriber equipment, is characterized in that, comprising:
Receiver, for being received the Downlink Control Information from access device by antenna, wherein, described Downlink Control Information comprises uplink subframe scheduling instruction, and described uplink subframe scheduling instruction is used to indicate scheduling two sub-frame of uplink transmission data;
Transmitter, during for also comprising the first new data instruction NDI and the 2nd NDI at described Downlink Control Information, a described NDI and the 2nd NDI is respectively used to the NDI value of the hybrid automatic repeat-request HARQ passage indicating described two sub-frame of uplink, NDI value then indicated by a described NDI and the 2nd NDI, at HARQ passage data retransmission or the transmission new data of described two sub-frame of uplink; Or, when described Downlink Control Information also comprises the 3rd NDI, described 3rd NDI is used to indicate the HARQ passage data retransmission or transmit new data of described subscriber equipment at described two sub-frame of uplink, then at HARQ passage all data retransmissions or all transmit new data of described two sub-frame of uplink.
9. subscriber equipment according to claim 8, is characterized in that, also comprises:
Memory, two NDI values that the HARQ channel number for preserving described two sub-frame of uplink is corresponding, described NDI value is the value of described 3rd NDI.
10. a communication system, is characterized in that, comprising:
Equipment as described in any one of claim 6 to 9.
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CN110536404A (en) * 2019-07-31 2019-12-03 中兴通讯股份有限公司 Ascending transmission method, resource indicating method, device, service node and medium

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