CN106301723A - The sending method of downlink data, method of reseptance, dispensing device and reception device - Google Patents

The sending method of downlink data, method of reseptance, dispensing device and reception device Download PDF

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Publication number
CN106301723A
CN106301723A CN201510263343.1A CN201510263343A CN106301723A CN 106301723 A CN106301723 A CN 106301723A CN 201510263343 A CN201510263343 A CN 201510263343A CN 106301723 A CN106301723 A CN 106301723A
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China
Prior art keywords
message
information
feedback
terminal
lead code
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CN201510263343.1A
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CN106301723B (en
Inventor
石靖
夏树强
戴谦
戴博
张雯
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ZTE Corp
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ZTE Corp
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Priority to CN201510263343.1A priority Critical patent/CN106301723B/en
Priority to PCT/CN2016/079094 priority patent/WO2016184275A1/en
Publication of CN106301723A publication Critical patent/CN106301723A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides the sending method of a kind of downlink data, method of reseptance, dispensing device and receive device, wherein, the sending method of this downlink data includes: base station, when needs send downlink business, directly transmits the fast message carrying downlink data information.By the present invention, solve descending scheduling mode flow process complexity present in correlation technique, the problem that time delay is big, and then reached to reduce the complexity of descending scheduling mode flow process, reduce the effect of time delay.

Description

The sending method of downlink data, method of reseptance, dispensing device and reception device
Technical field
The present invention relates to the communications field, in particular to the sending method of a kind of downlink data, method of reseptance, transmission Device and reception device.
Background technology
Along with forth generation mobile communication technology (the 4th Generation mobile communication technology, letter It is referred to as 4G) Long Term Evolution (Long-Term Evolution, referred to as LTE)/senior Long Term Evolution (Long-Term Evolution Advance, referred to as LTE-Advance/LTE-A) commercial the most perfect of system, moves the next generation Communication technology that is the 5th third-generation mobile communication technology (the 5th Generation mobile communication technology, Referred to as 5G) technical requirement more and more higher.In the industry it is believed that next generation mobile communication system should have The features such as superelevation speed, ultra-high capacity, ultrahigh reliability and ultralow delay transport characteristic.For super in 5G system The order of magnitude for the time delay about 1ms that eats dishes without rice or wine that the index of low time delay is generally acknowledged at present.
Generally LTE downlink data transmission sets up wireless heterogeneous networks (Radio firstly the need of from idle (IDLE) state Resource Control, referred to as RRC) connect.When connected state, base station (Base Transceiver Station, Referred to as BTS, or it is referred to as ENB, E-UTRAN NodeB) sent to terminal (User by control scheduling Equipment, referred to as UE) downlink data before, first carry out down channel measurement.ENB sends cell reference letter Road (cell-specific reference signal, referred to as CRS) estimates channel quality instruction to UE, UE (Channel-Quality Indicator, referred to as CQI) also reports ENB.CQI not only tells the matter of ENB channel Amount, also comprises the code modulation mode of recommendation.Then, ENB allocation of downlink resource, wherein, ENB is according to descending letter The quality in road allocation of downlink resource adaptively.In downlink, ENB dynamically distributes to UE in each subframe Resource and code modulation mode.Then, ENB is at physical down Traffic Channel (Physical Downlink Shared Channel, referred to as PDSCH) transmission data, on PDSCH, fill data according to the result of resource distribution, and Corresponding in the upper transmission of Physical Downlink Control Channel (Physical Downlink Control Channel, referred to as PDCCH) Scheduling control information in case UE be able to receive that demodulation PDSCH.UE needs the most just to feed back after receiving PDSCH Really, it is agree by Physical Uplink Control Channel (Physical Uplink Control Channel, referred to as PUCCH) feedback Determine response or negative response (ACK/NACK).If there is data transmission fault be afterwards i.e. fed back to NACK, UE Also need to retransmit data.The most above-mentioned feedback is implemented after uplink synchronous.It can be seen that the lower line number in correlation technique Lengthy and tedious according to transmitting procedure step, it is difficult to ensure the requirement of ultralow time delay transmission characteristic in following 5G system.
Complicated for descending scheduling mode flow process present in correlation technique, the problem that time delay is big, the most not yet propose effectively Solution.
Summary of the invention
The invention provides the sending method of a kind of downlink data, method of reseptance, dispensing device and receive device, with at least Solve descending scheduling mode flow process complexity present in correlation technique, the problem that time delay is big.
According to an aspect of the invention, it is provided the sending method of a kind of downlink data, including: base station sends at needs During downlink business, directly transmit the fast message carrying downlink data information.
Alternatively, described downlink data information includes at least one of: unicast service, multicast service, broadcasting service； Described fast message includes at least one of: by the specific fast message of proprietary Radio Network Temporary Identifier RNTI scrambling, Beep-page message, broadcast；Wherein, when described downlink data information includes described unicast service, described fast message In the most at least carry the feedback instruction information downlink data information in described fast message fed back for terminal.
Alternatively, when described downlink data information includes described unicast service, described base station sends carries downlink data letter The fast message of breath includes: send the fast message of the downlink data information carrying one or more user；When described descending When data include multicast service and/or broadcasting service, the transmission of described base station is carried the fast message of downlink data information and is included: Send the fast message carrying one or more multicast service and/or broadcasting service.
Alternatively, when described downlink data information, to include that described unicast service, described fast message include described by proprietary nothing When the specific fast message of line Network Temporary Identifier RNTI scrambling or broadcast, described fast message also carries State the terminal identification information that downlink data information is corresponding.
Alternatively, described feedback instruction information includes: for the unicast service carried in described fast message, be used for indicating The instruction information of the sequence of feedback affirmative acknowledgement ACK information or negative response nack message, and/or be used for configuring feedback The configuration information of the sequence of affirmative acknowledgement ACK information or negative response nack message.
Alternatively, after sending the fast message carrying downlink data information, also include: described base station receives described end The described ACK information of end feedback or nack message；Described base station receives the up quick transmission of described terminal transmission and disappears Breath, wherein, and then described up quick transmission message carry described ACK information or nack message in time domain Sequence is by described terminal transmission.
Alternatively, described ACK information or nack message corresponding to the lead code of base station configuration, described instruction information and / or configuration information include random access channel configuration information.
Alternatively, when described base station, to determine that described terminal receives and demodulate the unicast service carried in described fast message correct Time feed back described ACK information, or described terminal receives and demodulates the unicast service mistake carried in described fast message Time when feeding back described nack message, described feedback instruction information comprises the lead code that the described ACK information of instruction is corresponding The configuration information of the configuration information lead code corresponding with the described nack message of instruction；When described base station determines described Terminal receive and demodulate the unicast service carried in described fast message correct time feed back described ACK information, and described When terminal receives and demodulates the unicast service mistake carried in described fast message not feedback information time, described feedback instruction letter Cease the configuration information of lead code corresponding to the described ACK information comprising instruction；When described base station determines that described terminal receives And demodulate the unicast service carried in described fast message correct time not feedback information, and described terminal receives and demodulates institute When feeding back described nack message when stating the unicast service mistake carried in fast message, described feedback instruction information comprises The configuration information of the lead code corresponding to described nack message of instruction.
Alternatively, described base station is ACK information described in same terminal feedback and described nack message is respectively configured one Kind of lead code, and the lead code that configures for ACK information described in same terminal feedback and be described same terminal feedback The root sequence of the lead code of described nack message configuration is identical and/or step length of cyclic shift is identical.
Alternatively, described ACK information or lead code corresponding to nack message are the described base station root according to finite aggregate The lead code that the cyclic shift kind of sequence and/or finite aggregate determines.
Alternatively, the time domain length of the described lead code of described base station configuration is less than or equal to a subframe lengths；Wherein, When the time domain length of the described lead code configured when described base station is less than a subframe lengths, described feedback instruction information is also wrapped Include the instruction information of orthogonal frequency division multiplex OFDM character position used in indicating subframe, described use described OFDM symbol position is the OFDM symbol position residing for described lead code of described base station configuration.
Alternatively, the lead code of described base station configuration can be used in or can not be used for described terminal and carries out uplink random and connect Enter, wherein, it is possible to carry out the lead code of uplink random access for described terminal and carry out with described terminal can not be used for The lead code of row Stochastic accessing is different.
Alternatively, described base station, after directly transmitting the fast message carrying downlink data information, also includes: described base Stand and receive the lead code of terminal feedback；When the lead code of terminal feedback possesses the energy of feeding back ACK information or nack message Power, and, when the described lead code of described terminal feedback is provided simultaneously with the ability carrying out uplink random access, described base station Accidental access response RAR message is sent to described terminal；When the lead code of terminal feedback only possess feeding back ACK information or During the ability of nack message, described base station does not send accidental access response RAR message.
Alternatively, when described downlink data information includes described unicast service, described base station directly transmit carry descending After the fast message of data message, also including: when meeting at least one following condition, described base station stops sending institute State fast message: described base station receives the affirmative acknowledgement ACK information of terminal feedback；The transmission of described base station is described quickly Waiting time after message exceedes predetermined threshold.
According to a further aspect in the invention, it is provided that the method for reseptance of a kind of downlink data, base station is received including: terminal straight The fast message carrying downlink data information received and sent.
Alternatively, described downlink data information includes at least one of: unicast service, multicast service, broadcasting service； Described fast message includes at least one of: by the specific fast message of proprietary Radio Network Temporary Identifier RNTI scrambling, Beep-page message, broadcast；Wherein, when described downlink data information includes described unicast service, described fast message In the most at least carry the feedback instruction downlink data information in described fast message fed back for described terminal Information.
Alternatively, described feedback instruction information includes: for indicating the described terminal list to carrying in described fast message Broadcast the instruction information of the sequence of business feedback affirmative acknowledgement ACK information or negative response nack message, and/or be used for joining Put the described terminal unicast service feedback affirmative acknowledgement ACK information to carrying in described fast message or negative response The configuration information of the sequence of nack message.
Alternatively, described terminal, after receiving the fast message carrying downlink data information that described base station sends, is also wrapped Include: described terminal is to ACK information or nack message described in described base station feedback；Described terminal in time domain and then The sequence carrying described ACK information or nack message transmits up quick transmission message.
Alternatively, the lead code that described ACK information or nack message configure corresponding to described base station, described instruction is believed Breath and/or configuration information include random access channel configuration information.
Alternatively, when the unicast service carried during described terminal receives and demodulate described fast message is correct, feedback is described ACK information, or when receiving and demodulate the unicast service mistake carried in described fast message, feed back described NACK letter During breath, described feedback instruction information comprises the configuration information of lead code corresponding to the described ACK information of instruction and instruction The configuration information of the lead code that described nack message is corresponding；Take in described terminal receives and demodulate described fast message The unicast service of band feeds back described ACK information time correct, and receives and demodulate the clean culture carried in described fast message During service error not feedback information time, described feedback instruction information comprises the lead code that the described ACK information of instruction is corresponding Configuration information；The not feedback information when the unicast service carried during described terminal receives and demodulate described fast message is correct, And it is when feeding back described nack message when receiving and demodulate the unicast service mistake carried in described fast message, described Feedback instruction information comprises the configuration information of lead code corresponding to the described nack message of instruction.
Alternatively, described ACK information the is corresponding lead code lead code corresponding with described nack message is described base station The lead code being respectively configured, and lead code corresponding to the described ACK information lead code corresponding with described nack message Root sequence is identical and/or step length of cyclic shift is identical.
Alternatively, described ACK information or lead code corresponding to described nack message are that described base station is according to finite aggregate Root sequence and/or the lead code that determines of the cyclic shift kind of finite aggregate.
Alternatively, the time domain length of described ACK information or lead code corresponding to nack message is less than or equal to a son Frame length；Wherein, when the time domain length of described ACK information or lead code corresponding to nack message is less than a subframe During length, described feedback instruction information also includes the orthogonal frequency division multiplex OFDM sign bit used in indicating subframe The instruction information put, the described OFDM symbol position of described use is residing for the described lead code of described base station configuration OFDM symbol position.
Alternatively, described ACK information or lead code corresponding to nack message can be used in or can not be used for described Terminal carries out uplink random access, wherein, it is possible to for described terminal carry out the lead code of uplink random access with can not The lead code carrying out uplink random access for described terminal is different.
Alternatively, described terminal, after receiving the fast message carrying downlink data information that described base station sends, is also wrapped Include: described terminal sends lead code to described base station；The described lead code sent when described terminal possesses feeding back ACK letter Breath or the ability of nack message, and, the described lead code of described terminal feedback is provided simultaneously with carrying out uplink random and connects During the ability entered, described terminal receives the accidental access response RAR message that described base station sends.
According to a further aspect in the invention, it is provided that the dispensing device of a kind of downlink data, described device is positioned at base station side, Including: sending module, for when needs send downlink business, directly transmitting the fast message carrying downlink data information.
Alternatively, described downlink data information includes at least one of: unicast service, multicast service, broadcasting service； Described fast message includes at least one of: by the specific fast message of proprietary Radio Network Temporary Identifier RNTI scrambling, Beep-page message, broadcast；Wherein, when described downlink data information includes described unicast service, described fast message In the most at least carry the feedback instruction information downlink data information in described fast message fed back for terminal.
Alternatively, described feedback instruction information includes: for the unicast service carried in described fast message, be used for indicating The instruction information of the sequence of feedback affirmative acknowledgement ACK information or negative response nack message, and/or be used for configuring feedback The configuration information of the sequence of affirmative acknowledgement ACK information or negative response nack message.
Alternatively, described device also includes: the first receiver module, for receiving the described ACK letter of described terminal feedback Breath or nack message；Second receiver module, for receiving the up quick transmission message of described terminal transmission, wherein, The sequence that and then described up quick transmission message carry described ACK information or nack message in time domain is described Terminal transmission.
Alternatively, described ACK information or nack message corresponding to the lead code of base station configuration, described instruction information and / or configuration information include random access channel configuration information.
Alternatively, the lead code of described base station configuration can be used in or can not be used for described terminal and carries out uplink random and connect Enter, wherein, it is possible to carry out the lead code of uplink random access for described terminal and carry out with described terminal can not be used for The lead code of row Stochastic accessing is different.
Alternatively, described device also includes: the 3rd receiver module, for receiving the lead code of terminal feedback；Second sends Module, for possessing the ability of feeding back ACK information or nack message, and described end when the lead code of terminal feedback When the described lead code of end feedback is provided simultaneously with the ability carrying out uplink random access, sends Stochastic accessing to described terminal and ring Answer RAR message；When the lead code of terminal feedback only possesses the ability of feeding back ACK information or nack message, no Send accidental access response RAR message.
Alternatively, when described downlink data information includes described unicast service, also include: stopping modular, for when full When being enough at least one lower condition, described base station stops sending described fast message: described base station receives terminal feedback Affirmative acknowledgement ACK information；Waiting time after described base station sends described fast message exceedes predetermined threshold.
According to a further aspect in the invention, it is provided that the reception device of a kind of downlink data, described device is positioned at end side, Including: the 4th receiver module, for receiving the fast message carrying downlink data information that base station directly transmits.
Alternatively, described downlink data information includes at least one of: unicast service, multicast service, broadcasting service； Described fast message includes at least one of: by the specific fast message of proprietary Radio Network Temporary Identifier RNTI scrambling, Beep-page message, broadcast；Wherein, when described downlink data information includes described unicast service, described fast message In the most at least carry the feedback instruction downlink data information in described fast message fed back for described terminal Information.
Alternatively, described feedback instruction information includes: for indicating the clean culture to carrying in described fast message of the described terminal The instruction information of the sequence of business feedback affirmative acknowledgement ACK information or negative response nack message, and/or be used for configuring The described terminal unicast service to carrying in described fast message feeds back affirmative acknowledgement ACK information or negative response NACK The configuration information of the sequence of information.
Alternatively, described device also includes: feedback module, for ACK information or NACK described in described base station feedback Information；And then transport module, for carrying the sequence transmission of described ACK information or nack message in time domain Row quickly transmits message.
Alternatively, the lead code that described ACK information or nack message configure corresponding to described base station, described instruction is believed Breath and/or configuration information include random access channel configuration information.
Alternatively, described ACK information or lead code corresponding to nack message can be used in or can not be used for described Terminal carries out uplink random access, wherein, it is possible to for described terminal carry out the lead code of uplink random access with can not The lead code carrying out uplink random access for described terminal is different.
Alternatively, described device also includes: the 3rd sending module, for sending lead code to described base station；5th receives Module, for possessing the ability of feeding back ACK information or nack message when the described lead code sent, and described end When the described lead code of end feedback is provided simultaneously with the ability carrying out uplink random access, receive connecing at random of described base station transmission Enter to respond RAR message.
By the present invention, use base station when needs send downlink business, directly transmit and carry the quick of downlink data information Message, without with terminal carry out a series of mutual after retransmit downlink data, reduce the time delay of data transmission, Solve descending scheduling mode flow process complexity present in correlation technique, the problem that time delay is big, and then it is descending to have reached reduction The complexity of scheduling mode flow process, reduces the effect of time delay.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention Schematic description and description be used for explaining the present invention, be not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the sending method of downlink data according to embodiments of the present invention；
Fig. 2 is the structural representation of the specific fast message corresponding to use proprietary RNTI scrambling according to embodiments of the present invention Figure；
The structural representation of broadcast when Fig. 3 is descending quick transmission user's unicast service according to embodiments of the present invention；
Fig. 4 is the structural representation of beep-page message in the LTE/LTE-A system in correlation technique；
The structural representation of beep-page message when Fig. 5 is descending quick transmission user's unicast service according to embodiments of the present invention；
The structural representation of beep-page message when Fig. 6 is descending quick transmitting broadcast information according to embodiments of the present invention；
Beep-page message when Fig. 7 is descending transmission user's unicast service and broadcast message the most simultaneously according to embodiments of the present invention Structural representation；
Fig. 8 is the flow chart of the method for reseptance of downlink data according to embodiments of the present invention；
Fig. 9 is the structured flowchart of the dispensing device of downlink data according to embodiments of the present invention；
Figure 10 is the preferred structure block diagram one of the dispensing device of downlink data according to embodiments of the present invention；
Figure 11 is the preferred structure block diagram two of the dispensing device of downlink data according to embodiments of the present invention；
Figure 12 is the preferred structure block diagram three of the dispensing device of downlink data according to embodiments of the present invention；
Figure 13 is the structured flowchart receiving device of downlink data according to embodiments of the present invention；
Figure 14 is the preferred structure block diagram one receiving device of downlink data according to embodiments of the present invention；
Figure 15 is the preferred structure block diagram two receiving device of downlink data according to embodiments of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the feelings do not conflicted Under condition, the embodiment in the application and the feature in embodiment can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " Etc. being for distinguishing similar object, without being used for describing specific order or precedence.Further, present invention explanation " ACK information " described in book can be referred to as " ACK ", and " nack message " can be referred to as " NACK ".
Providing the sending method of a kind of downlink data in the present embodiment, Fig. 1 is lower line number according to embodiments of the present invention According to the flow chart of sending method, as it is shown in figure 1, this flow process comprises the steps:
Step S102, base station, when needs send downlink business, directly transmits the fast message carrying downlink data information.
By above-mentioned steps, use base station when needs send downlink business, it is not necessary to scheduling is mutual, directly transmits and carries down The fast message of row data message, without with terminal carry out a series of mutual after retransmit downlink data, reduce The time delay of data transmission.Solve descending scheduling mode flow process present in correlation technique complicated, the problem that time delay is big, And then reached to reduce the complexity of descending scheduling mode flow process, reduce the effect of time delay.
In an optional embodiment, above-mentioned downlink data information can include at least one of: unicast service, group Broadcast business, broadcasting service；Above-mentioned fast message can include at least one of: by proprietary Radio Network Temporary Identifier Specific fast message that (Radio Network Temporary Identifier, referred to as RNTI) scrambles, beep-page message, Broadcast；Wherein, when this downlink data information includes unicast service, this fast message the most at least carries for The feedback instruction information that downlink data information in above-mentioned fast message is fed back by terminal.Wherein, by proprietary RNTI The specific fast message of scrambling, can be to use Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identifier, referred to as C-RNTI) the specific fast message of some user corresponding to scrambling, or can be to make With the specific fast message corresponding to proprietary RNTI scrambling and the downlink data information of one or more user can be carried.
Fig. 2 is the structural representation of the specific fast message corresponding to use proprietary RNTI scrambling according to embodiments of the present invention Figure.As in figure 2 it is shown, the specific fast message corresponding to a kind of preferred proprietary RNTI scrambling is by carrying user profile row Table (that is, downlink data information list) and other information optional composition, wherein user profile list is used by each further The message blocks composition at family, can comprise one or more user, and the most each user message block is by subscriber equipment (User Equipment, referred to as UE) identify (Identifier, referred to as ID), user data, feedback instruction information composition.
In an optional embodiment, when above-mentioned downlink data information includes unicast service, base station transmission is carried descending The fast message of data message includes: send the fast message of the downlink data information carrying one or more user；When upper Stating downlink data when including multicast service and/or broadcasting service, base station sends the fast message bag carrying downlink data information Include: send the fast message carrying one or more multicast service and/or broadcasting service.
In an optional embodiment, when above-mentioned downlink data information include unicast service, above-mentioned fast message include by When the specific fast message of proprietary Radio Network Temporary Identifier RNTI scrambling or broadcast, this fast message also carries There is the terminal identification information that downlink data information is corresponding.Wherein, it is that broadcast disappears when the fast message of bearing downlink data message During breath, in system information block (System Information Block, referred to as SIB) message the most in the related Add user list information.As it is shown on figure 3, Fig. 3 is descending quick transmission user's clean culture industry according to embodiments of the present invention The structural representation of broadcast during business, wherein user profile list is made up of the message blocks of each user further, permissible Comprising one or more user, the most each user message block is made up of UE ID, user message, feedback instruction information. When using beep-page message to carry out descending quick transmission, the beep-page message Paging Message structure in correlation technique such as figure Shown in 4, Fig. 4 is the structural representation of beep-page message in the LTE/LTE-A system in correlation technique.Beep-page message is supported One or more UE, being specifically sub-divided into and can distinguishing the message of UE rank is paging acknowledgment Paging Record, relevant Paging Record in technology has customer equipment identification ue-Identity and core net core network territory Cn-Domain, different UE can recognize that the Paging information of oneself by verification ue-Identity.Paging simultaneously Message can notify that system information changes, seismic sea wave warning signal (Earthquake and Tsunami Warning Signal, Referred to as ETWS) information such as alarm.When Fig. 5 is descending quick transmission user's unicast service according to embodiments of the present invention The structural representation of beep-page message, base station sends when carrying user's unicast data, as it is shown in figure 5, beep-page message can be taken With the downlink data information of one or more users, and carry the feedback instruction information that downlink data information is corresponding simultaneously, Corresponding interpolation downlink data information user device data ue-Data and feedback instruction information in Paging Record Feedback Indication.The knot of beep-page message when Fig. 6 is descending quick transmitting broadcast information according to embodiments of the present invention Structure schematic diagram, base station sends when carrying broadcast or multicast message (hereinafter referred to as broadcast/group broadcast message), such as Fig. 6 Shown in, beep-page message can carry one or more different broadcast/group broadcast message, accordingly at Paging message Middle interpolation broadcast/group broadcast message BroadcastInfo.Fig. 7 is that according to embodiments of the present invention descending quickly transmits user simultaneously The structural representation of beep-page message when unicast service and broadcast message, if base station send simultaneously carry user's unicast data and During broadcast/group broadcast message, as it is shown in fig. 7, beep-page message can carry one or more different broadcast/group broadcast message with And the downlink data information of one or more user, and carry the feedback instruction information that downlink data information is corresponding simultaneously, Corresponding interpolation broadcast/group broadcast message BroadcastInfo in Paging message, adds in Paging Record Downlink data information ue-Data and feedback instruction Feedback Indication information.
In an optional embodiment, above-mentioned feedback instruction information includes: for the unicast service carried in fast message, For indication feedback affirmative acknowledgement ACK information or the instruction information of the sequence of negative response nack message, and/or it is used for The configuration information of the sequence of configuration feedback affirmative acknowledgement ACK information or negative response nack message, i.e. above-mentioned feedback Instruction information can serve to indicate that or the relevant parameter of sequence of configurating terminal feedback representation ACK information or nack message Information.Uplink synchronous is not the most carried out, it is therefore desirable to use the sequence of certain time length to represent due to terminal ACK or NACK.
In an optional embodiment, after sending the fast message carrying downlink data information, also include: this base Stand and receive ACK information or the nack message of terminal feedback；Base station receives the up quick transmission message of terminal transmission, Wherein, this up quick transmission message in time domain and then the sequence of loading ACK information or nack message by terminal Transmission.During it is to say, there is the demand of up quick transmission message after terminal receives descending quick transmission message simultaneously, Or it is believed that this descending quick transmission message is to trigger the condition of up quick transmission, up quick transmission message is immediately The sequence loading ACK or NACK is transmitted, i.e. front portion sequence is possible not only to what feeding back downlink quickly transmitted ACK or NACK, simultaneously as the data message of the uplink synchronous protection up quick transmission of rear portion.
In an optional embodiment, the lead code that above-mentioned ACK information or nack message configure corresponding to base station, Above-mentioned instruction information and/or configuration information include random access channel configuration information.Wherein, ACK information or NACK are represented The sequence of information is preferably the preamble sequence preamble in Physical Random Access Channel PRACH, now feeds back instruction Information is PRACH configuration information, in order to determine the preamble that terminal feedback ACK or NACK is used.
In an optional embodiment, when above-mentioned base station determines that above-mentioned terminal receives and demodulate the list carried in fast message Feeding back ACK information when business of broadcasting is correct, or above-mentioned terminal to receive and demodulate the unicast service that carries in fast message wrong Mistake feedback nack message time, this feedback instruction information comprises the configuration letter of lead code corresponding to the ACK information of instruction Cease the configuration information of the lead code corresponding with the nack message of instruction；When above-mentioned base station determines that above-mentioned terminal receives and solves Feeding back ACK information when adjusting in fast message the unicast service carried correct, and above-mentioned terminal receives and demodulates and quickly disappear During the unicast service mistake carried in breath not feedback information time, the ACK information that this feedback instruction information comprises instruction is corresponding The configuration information of lead code；When above-mentioned base station determines that above-mentioned terminal receives and demodulate the unicast service carried in fast message Not feedback information time correct, and feed back when above-mentioned terminal receives and demodulate the unicast service mistake carried in fast message During nack message, this feedback instruction information comprises the configuration information of lead code corresponding to the nack message of instruction.Its In, (1) is feeding back ACK information when determining that terminal receives that in demodulation fast message, the unicast service that carries is correct, receives Feedback nack message during the unicast service mistake carried in demodulation fast message, this feedback instruction information comprises instruction The configuration information of the preamble that ACK with NACK is corresponding, i.e. feedback instruction information clearly configures ACK and NACK The preamble used, this information uses 1 corresponding A CK in 6bit 64 lead codes of instruction, uses 6bit instruction Article 64,1 corresponding NACK in lead code, and 4bit information indicates Physical Random Access Channel (Physical Random Access Channel, referred to as PRACH) mask index MA SK Index, indicate the subframe index index that it sends； Or use the method for preamble also to include using the 1 of 6bit 64 lead codes of instruction at instruction ACK and NACK Bar corresponding A CK, next corresponding NACK back to back；Or use preamble at instruction ACK and NACK Method also include using differ 2 in 11bit 64 lead codes of instruction respectively corresponding A CK and NACK； (2) feeding back ACK when determining that terminal receives that in demodulation fast message, the unicast service that carries is correct, receives demodulation quickly Not feeding back during the unicast service mistake carried in message, feedback instruction information only comprises the preamble that instruction ACK is corresponding Configuration information, i.e. feedback instruction information clearly configure ACK use preamble, this information use 6bit instruction 64 1 corresponding A CK in bar lead code, and 4bit information instruction PRACH MASK Index, indicate it to send Subframe index；(3) when determining that the unicast service carried in terminal reception demodulation fast message does not feeds back time correct, receive Feedback NACK during the unicast service mistake carried in demodulation fast message, feedback instruction information only comprises instruction NACK The configuration information of corresponding preamble, i.e. feedback instruction information clearly configures the preamble that NACK uses, this letter Breath uses 1 corresponding NACK in 6bit 64 lead codes of instruction, and 4bit information instruction PRACH MASK Index, indicates subframe index that it sends.
In an optional embodiment, above-mentioned base station is same terminal feedback ACK information and nack message difference A kind of lead code of configuration, and be the lead code of same terminal feedback ACK information configuration and be this same terminal feedback The root sequence of the lead code of nack message configuration is identical and/or step length of cyclic shift is identical.Wherein, community generates 64 Bar preamble may need a plurality of sequence, even if selecting maximum step length of cyclic shift, a root sequence can also be produced Raw two preamble.Therefore to make the preamble for representing feedback information ACK or NACK the least Affect in community other-end for random access request, make for representing feedback information ACK or NACK as far as possible The root sequence corresponding to preamble different from for the root sequence corresponding to the preamble of Stochastic accessing, table simultaneously Show that the root sequence corresponding to the preamble of feedback information ACK or NACK is relative to the preamble for Stochastic accessing It is only sub-fraction for corresponding root sequence.
In an optional embodiment, above-mentioned ACK information or lead code corresponding to nack message are that base station is according to having The lead code that the root sequence of limit set and/or the cyclic shift kind of finite aggregate determine.As above, it is used for representing feedback letter The root sequence corresponding to preamble of breath ACK or NACK is relative to for corresponding to the preamble of Stochastic accessing Root sequence for be only sub-fraction, i.e. it is a finite aggregate.Be similar to, be used for determining comprise extra represent anti- During the community preamble of feedforward information ACK or NACK, the cyclic shift kind that can use is relative to being only used for producing It is the value of a portion for cyclic shift kind during Stochastic accessing preamble, is the most also a finite aggregate.
In an optional embodiment, the time domain length of the lead code of above-mentioned base station configuration is less than or equal to a sub-frame length Degree；Wherein, when the time domain length of the lead code configured when this base station is less than a subframe lengths, this feedback instruction information is also Including in indicating subframe use OFDM (Orthogonal Frequency Division Multiplexing, Referred to as OFDM) the instruction information of character position, the OFDM symbol position of use is the lead code institute of base station configuration The OFDM symbol position at place.Fast downlink data transmission method for uplink in the present embodiment mainly considers low time delay communication field Scape (the most optional scene is non-synchronous transmissions scene, or small data transmission scene etc.), now MPS process is little, It is not required to longer preamble.Thus be accordingly used in the preamble time domain length representing feedback information ACK or NACK Preferably lower than or equal to 1 subframe lengths, i.e. preferably format1.For the preamble less than 1 subframe lengths, Preferably format 4, when using this form, the OFDM that above-mentioned feedback instruction information uses in also needing to comprise instruction subframe Character position, such as, compiles the OFDM group being possibly used for the preamble less than 1 subframe lengths in subframe Number, if overlap mode is not numbered, it is assumed that it takies 2 OFDM, then by 14 OFDM symbols in 1 subframe Number it is divided into continuous print 7 groups, now uses 3bit to notify which OFDM group this preamble is positioned in transmission.
In an optional embodiment, the lead code of above-mentioned base station configuration can be used in or can not be used for terminal and carries out Uplink random accesses, wherein, it is possible to carry out the lead code of uplink random access for terminal and carry out with being used for terminal The lead code that uplink random accesses is different.That is, above-mentioned feedback instruction information is used not only for terminal feedback ACK information Or the preamble that nack message is corresponding, it is also possible to for indicating terminal to be used for the preamble that uplink random accesses. While the most now performing the transmission of fast downlink data, terminal can also continue to uplink synchronous process.Quite Possess two functions in the preamble of now GC group connector feeding back ACK or NACK, one be for feeding back ACK or NACK carries out feedback correctly or incorrectly to fast downlink transmission so that base station can be confirmed information, two be for Row synchronizes, and this preamble sends lead code for first step terminal in random access procedure to base station simultaneously.Wherein, simultaneously The preamble accessed for terminal feedback ACK or NACK and uplink random be only used for terminal feedback ACK or The preamble of NACK is different, and i.e. two kinds preamble are a part for 64 lead codes in community, and both Preamble is different.
In an optional embodiment, above-mentioned base station after directly transmitting the fast message carrying downlink data information, Also include: this base station receives the lead code of terminal feedback；When the lead code of terminal feedback possess feeding back ACK information or The ability of nack message, and when the lead code of this terminal feedback is provided simultaneously with the ability carrying out uplink random access, should Base station sends accidental access response (Random Access Response, referred to as RAR) message to terminal；Work as terminal When the lead code of feedback only possesses the ability of feeding back ACK information or nack message, this base station does not send Stochastic accessing and rings Answer RAR message.Wherein, after the user data in terminal receives correct paging message, use and represent ACK's Preamble feeds back, and this preamble also has Stochastic accessing function simultaneously, after base station receives this preamble, Stop sending the paging message containing this end-user listening data, send RAR message simultaneously and proceed Stochastic accessing mistake Journey.After user data in terminal receives mistake paging message, the preamble representing NACK is used to carry out instead Feedback, this preamble also has Stochastic accessing function simultaneously, after base station receives this preamble, continues to send containing being somebody's turn to do The paging message of end-user listening data, sends RAR message simultaneously and proceeds random access procedure.Base station is receiving After only having the preamble of feeding back ACK information or nack message function, base station does not send the RAR of correspondence and disappears Breath.
In an optional embodiment, when above-mentioned downlink data information includes unicast service, base station is taken directly transmitting After the fast message of leukorrhagia row data message, also including: when meeting at least one following condition, this base station stops sending out Send fast message: base station receives the affirmative acknowledgement ACK information of terminal feedback；After base station transmission fast message etc. The time for the treatment of exceedes predetermined threshold.Below this embodiment is illustrated: base station is sending containing user data After paging message, wait the feedback information of user, if after the preamble corresponding for ACK receiving terminal feedback, Owing to paging message is to send in the cycle, therefore will stop sending the paging message of the unicast service containing this terminal. If base station only indicates terminal to receive error in data feedback NACK, then it is being not received by NACK and waiting time After threshold value X (predetermined threshold with above-mentioned), it is believed that receive correct, stop sending the clean culture industry containing this terminal The paging message of business.Wherein X value can time corresponding to one or more paging message cycles.
Fig. 8 is the flow chart of the method for reseptance of downlink data according to embodiments of the present invention, as shown in Figure 8, and this flow process bag Include following steps:
Step S802, terminal receives the fast message carrying downlink data information that base station directly transmits.
By above-mentioned steps, terminal can be without accepting what base station directly transmitted in the case of being scheduling alternately with base station Carry the fast message of downlink data information, it follows that when base station needs to send downlink business to terminal, it is not necessary to With terminal carry out a series of mutual after retransmit downlink data, reduce the time delay of data transmission.Solve relevant skill Present in art, descending scheduling mode flow process is complicated, the problem that time delay is big, and then has reached reduction descending scheduling mode flow process Complexity, reduce time delay effect.
In an optional embodiment, above-mentioned downlink data information includes at least one of: unicast service, multicast industry Business, broadcasting service；Above-mentioned fast message includes at least one of: scrambled by proprietary Radio Network Temporary Identifier RNTI Specific fast message, beep-page message, broadcast；Wherein, when row data message includes unicast service instantly, this is fast Speed message the most at least carries the feedback instruction letter fed back the downlink data information in fast message for terminal Breath.Wherein, proprietary RNTI the specific fast message scrambled, can be to use Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identifier, referred to as C-RNTI) some user specific corresponding to scrambling Fast message, or can be use proprietary RNTI scrambling corresponding to specific fast message and can carry one or The downlink data information of multiple users.As in figure 2 it is shown, a kind of preferred proprietary RNTI scrambling corresponding to specific quickly Message is by carrying user profile list and other information optional form, and wherein user profile list is further by each user's Message blocks forms, and can comprise one or more user, and the most each user message block is by subscriber equipment (User Equipment, referred to as UE) identify (Identifier, referred to as ID), user message, feedback instruction information composition.
In an optional embodiment, above-mentioned feedback instruction information includes: be used for indicating terminal to carry in fast message Unicast service feedback affirmative acknowledgement ACK information or the instruction information of sequence of negative response nack message, and/or use The unicast service feedback affirmative acknowledgement ACK information carried in configurating terminal is to fast message or negative response NACK letter The configuration information of the sequence of breath, i.e. above-mentioned feedback instruction information can serve to indicate that or configurating terminal feedback representation ACK The relevant parameter information of the sequence of information or nack message.The most do not carry out uplink synchronous due to terminal, therefore need The sequence of certain time length to be used represents ACK or NACK.
In an optional embodiment, when terminal receive base station send the fast message carrying downlink data information it After, also include: this terminal is to base station feedback ACK information or nack message；And then this terminal carries in time domain The sequence of ACK information or nack message transmits up quick transmission message.It is to say, it is descending soon in terminal reception When having the demand of up quick transmission message after speed transmission message, or it is believed that this descending quick transmission message is simultaneously Trigger the condition of up quick transmission, up quick transmission message and then loading ACK information or the sequence of nack message Row are transmitted, i.e. front portion sequence is possible not only to ACK information or the nack message that feeding back downlink quickly transmits, Data message simultaneously as the uplink synchronous protection up quick transmission of rear portion.
In an optional embodiment, the lead code that above-mentioned ACK information or nack message configure corresponding to base station, Above-mentioned instruction information and/or configuration information include random access channel configuration information.Wherein, ACK information or NACK are represented The sequence of information is preferably the preamble sequence preamble in Physical Random Access Channel PRACH, now feeds back instruction Information is PRACH configuration information, in order to determine the preamble that terminal feedback ACK information or nack message are used.
In an optional embodiment, when above-mentioned terminal receive and demodulate the unicast service carried in fast message correct time Feeding back ACK information, or when receiving and demodulate the unicast service mistake carried in fast message during feedback nack message, This feedback instruction information comprises configuration information and the nack message pair of instruction of lead code corresponding to the ACK information of instruction The configuration information of the lead code answered；When terminal receive and demodulate the unicast service carried in fast message correct time feeding back ACK Information, and when receiving and demodulate the unicast service mistake carried in fast message not feedback information time, this feedback instruction letter Cease the configuration information of lead code corresponding to the ACK information comprising instruction；Carry when terminal receives and demodulates in fast message Unicast service correct time not feedback information, and feedback when receiving and demodulate the unicast service mistake carried in fast message During nack message, this feedback instruction information comprises the configuration information of lead code corresponding to the nack message of instruction.Its In, (1) terminal receives the correct feeding back ACK of unicast service carried in demodulation fast message, receives demodulation fast message In unicast service error feedback NACK carried, it is corresponding that this feedback instruction information comprises instruction ACK with NACK The configuration information of preamble, i.e. feedback instruction information clearly configures the preamble that ACK and NACK uses, this letter Breath uses 1 corresponding A CK in 6bit 64 lead codes of instruction, uses 1 in 6bit 64 lead codes of instruction Corresponding NACK, and 4bit information instruction PRACH mask index MA SK Index, indicate its subframe sent to refer to Number index；Or before instruction ACK and NACK uses the method for preamble also to include using 6bit to indicate 64 1 corresponding A CK of leading code, next corresponding NACK back to back；Or use at instruction ACK and NACK The method of preamble also include using respectively corresponding A CK of differ 2 in 11bit 64 lead codes of instruction and NACK；(2) the correct feeding back ACK of unicast service that terminal is carried in receiving demodulation fast message, receives demodulation and quickly disappears The unicast service mistake carried in breath is not fed back, and feedback instruction information only comprises joining of preamble corresponding for instruction ACK Confidence ceases, i.e. feedback instruction information clearly configures the preamble that ACK uses, before this information uses 6bit to indicate 64 1 corresponding A CK in leading code, and 4bit information instruction PRACH MASK Index, indicate the subframe that it sends index；(3) unicast service that terminal is carried in receiving demodulation fast message does not feeds back, and receives in demodulation fast message Unicast service error feedback NACK carried, feedback instruction information only comprises preamble's corresponding for instruction NACK Configuration information, i.e. feedback instruction information clearly configures the preamble that NACK uses, and this information uses 6bit instruction 64 1 corresponding NACK in bar lead code, and 4bit information instruction PRACH MASK Index, indicate it to send Subframe index.
In an optional embodiment, the lead code that lead code corresponding to above-mentioned ACK information is corresponding with nack message The lead code being respectively configured for base station, and the root of lead code corresponding to the ACK information lead code corresponding with nack message Sequence is identical and/or step length of cyclic shift is identical.Wherein, community generates 64 preamble and may need a plurality of sequence Row, even if selecting maximum step length of cyclic shift, a root sequence can also produce two preamble.Therefore to make Must be used for representing the preamble of feedback information ACK or NACK the least affect in community other-end for Machine access request, make as far as possible root sequence corresponding to the preamble for representing feedback information ACK or NACK with Different for the root sequence corresponding to the preamble of Stochastic accessing, represent feedback information ACK's or NACK simultaneously Root sequence corresponding to preamble is only one for for the root sequence corresponding to the preamble of Stochastic accessing Fraction.
In an optional embodiment, above-mentioned ACK information or lead code corresponding to nack message are that base station is according to having The lead code that the root sequence of limit set and/or the cyclic shift kind of finite aggregate determine.As above, it is used for representing feedback letter The root sequence corresponding to preamble of breath ACK or NACK is relative to for corresponding to the preamble of Stochastic accessing Root sequence for be only sub-fraction, i.e. it is a finite aggregate.Be similar to, be used for determining comprise extra represent anti- During the community preamble of feedforward information ACK or NACK, the cyclic shift kind that can use is relative to being only used for producing It is the value of a portion for cyclic shift kind during Stochastic accessing preamble, is the most also a finite aggregate.
In an optional embodiment, the time domain length of above-mentioned ACK information or lead code corresponding to nack message is little In or equal to a subframe lengths；Wherein, little when the time domain length of ACK information or lead code corresponding to nack message When a subframe lengths, this feedback instruction information also includes the OFDM used in indicating subframe The instruction information of (Orthogonal Frequency Division Multiplexing, referred to as OFDM) character position, The OFDM symbol position used is the OFDM symbol position residing for lead code of base station configuration.Fast in the present embodiment Speed downlink data transmission method mainly consideration low time delay communication scenes (the most optional scene is non-synchronous transmissions scene, Or small data transmission scene etc.), now MPS process is little, is not required to longer preamble.Thus be accordingly used in expression The preamble time domain length of feedback information ACK or NACK is preferably lower than or equal to 1 subframe lengths, the most preferably format1.For the preamble less than 1 subframe lengths, preferably format 4, use this form time, above-mentioned instead The OFDM symbol position that feedback instruction information uses in also needing to comprise instruction subframe, such as, is possibly used in subframe OFDM group less than the preamble of 1 subframe lengths is numbered, if overlap mode is not numbered, it is assumed that it takies 2 OFDM, then be divided into continuous print 7 groups by 14 OFDM symbol in 1 subframe, now use 3bit Notify which OFDM group this preamble is positioned in transmission.
In an optional embodiment, above-mentioned ACK information or lead code corresponding to nack message can be used in or Terminal can not be used for and carry out uplink random access, wherein, it is possible to for terminal carry out the lead code of uplink random access with Terminal can not be used for and carry out the lead code difference of uplink random access.That is, above-mentioned feedback instruction information is applied not only to terminal Feeding back ACK or preamble corresponding to nack message, it is also possible to for indicating terminal to be used for what uplink random accessed preamble.While the most now performing the transmission of fast downlink data, terminal can also continue to uplink synchronous Process.The preamble being equivalent to now GC group connector feeding back ACK or NACK possesses two functions, and one is for instead Feedback ACK or NACK carries out feedback correctly or incorrectly so that base station can be confirmed information to fast downlink transmission, Two is for uplink synchronous, and this preamble sends lead code for first step terminal in random access procedure to base station simultaneously. Wherein, it is simultaneously used for preamble that terminal feedback ACK or NACK and uplink random access and is only used for terminal feedback The preamble of ACK or NACK is different, and i.e. two kinds preamble are a part for 64 lead codes in community, And both preamble are different.
In an optional embodiment, above-mentioned terminal is receiving the fast message carrying downlink data information that base station sends Afterwards, also include: this terminal sends lead code to base station；The lead code sent when this terminal possesses feeding back ACK information Or the ability of nack message, and when the lead code of this terminal feedback is provided simultaneously with the ability carrying out uplink random access, This terminal receives the accidental access response RAR message that base station sends.Below this embodiment is illustrated: work as end After end receives the user data in correct paging message, use the preamble representing ACK to feed back, should simultaneously Preamble also has Stochastic accessing function, after base station receives this preamble, stops sending containing this end-user listening data Paging message, simultaneously send RAR message proceed random access procedure.Disappear when terminal receives mistake paging After user data in breath, use and represent the preamble of NACK and feed back, simultaneously this preamble also have with Machine access function, after base station receives this preamble, continues to send the paging message containing this end-user listening data, Send RAR message simultaneously and proceed random access procedure.Base station only has feeding back ACK or NACK receiving After the preamble of function, base station does not send the RAR message of correspondence.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive according to above-described embodiment Method can add the mode of required general hardware platform by software and realize, naturally it is also possible to by hardware, but a lot In the case of the former is more preferably embodiment.Based on such understanding, technical scheme is the most in other words to existing The part having technology to contribute can embody with the form of software product, and this computer software product is stored in one In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can To be mobile phone, computer, server, or the network equipment etc.) method that performs each embodiment of the present invention.
Additionally providing the dispensing device of a kind of downlink data in the present embodiment, this device is used for realizing above-described embodiment and excellent Select embodiment, carry out repeating no more of explanation.As used below, term " module " can realize pre- Determine the software of function and/or the combination of hardware.Although the device described by following example preferably realizes with software, But hardware, or the realization of the combination of software and hardware also may and be contemplated.
Fig. 9 is the structured flowchart of the dispensing device of downlink data according to embodiments of the present invention, and this device may be located at base station Side, as it is shown in figure 9, this device includes sending module 92, illustrates this device below.
Sending module 92, for when needs send downlink business, directly transmitting the fast message carrying downlink data information.
In an optional embodiment, above-mentioned downlink data information can include at least one of: unicast service, group Broadcast business, broadcasting service；Above-mentioned fast message can include at least one of: by proprietary Radio Network Temporary Identifier The specific fast message of RNTI scrambling, beep-page message, broadcast；Wherein, list is included when above-mentioned downlink data information When broadcasting business, this fast message the most at least carries and for terminal, the downlink data information in fast message is fed back Feedback instruction information.Wherein, proprietary RNTI the specific fast message scrambled, can be to use cell-radio network Temporary mark (Cell Radio Network Temporary Identifier, referred to as C-RNTI) scrambling corresponding to a certain The specific fast message of individual user, or can be use proprietary RNTI scrambling corresponding to specific fast message and can To carry the downlink data information of one or more users.As in figure 2 it is shown, a kind of preferred proprietary RNTI scrambling institute is right The specific fast message answered is by carrying user profile list and other information optional form, and wherein user profile list is further Being made up of the message blocks of each user, can comprise one or more user, the most each user message block is by subscriber equipment (User Equipment, referred to as UE) mark (Identifier, referred to as ID), user message, feedback instruction letter Breath composition.
In an optional embodiment, when above-mentioned downlink data information includes unicast service, base station transmission is carried descending The fast message of data message includes: send the fast message of the downlink data information carrying one or more user；When upper Stating downlink data when including multicast service and/or broadcasting service, base station sends the fast message bag carrying downlink data information Include: send the fast message carrying one or more multicast service and/or broadcasting service.
In an optional embodiment, when above-mentioned downlink data information include unicast service, above-mentioned fast message include by When the specific fast message of proprietary Radio Network Temporary Identifier RNTI scrambling or broadcast, this fast message also carries There is the terminal identification information that downlink data information is corresponding.Wherein, it is that broadcast disappears when the fast message of bearing downlink data message During breath, in system information block (System Information Block, referred to as SIB) message the most in the related Add user list information.As it is shown on figure 3, wherein user profile list is made up of the message blocks of each user further, Can comprise one or more user, the most each user message block is by UE ID, user message, feedback instruction information group Become.When using beep-page message to carry out descending quick transmission, the beep-page message Paging Message structure in correlation technique As shown in Figure 4, beep-page message supports one or more UE, is specifically sub-divided into the message that can distinguish UE rank for seeking Exhale record Paging Record, the Paging Record in correlation technique has customer equipment identification ue-Identity and cn Territory cn-Domain, different UE can recognize that the Paging information of oneself by verification ue-Identity.Paging simultaneously Message can notify the information such as system information changes, ETWS alarm.Base station sends when carrying user's unicast data, such as figure Shown in 5, beep-page message can carry the downlink data information of one or more user, and carry downlink data letter simultaneously The feedback instruction information that breath is corresponding, adds downlink data information user's device data accordingly in Paging Record Ue-Data and feedback instruction information Feedback Indication.Broadcast is carried in base station transmission or multicast message is (following Referred to as broadcast/group broadcast message) time, as shown in Figure 6, beep-page message can carry one or more different broadcast/group Broadcast message, in Paging message, add broadcast/group broadcast message BroadcastInfo accordingly.If base station is sent out simultaneously Send when carrying user's unicast data and broadcast/group broadcast message, as it is shown in fig. 7, beep-page message can carry one or more Different broadcast/group broadcast message and the downlink data information of one or more user, and carry downlink data letter simultaneously The feedback instruction information that breath is corresponding, adds broadcast/group broadcast message BroadcastInfo accordingly in Paging message, Downlink data information ue-Data and feedback instruction information Feedback Indication is added in Paging Record.
In an optional embodiment, above-mentioned feedback instruction information includes: for the unicast service carried in fast message, For indication feedback affirmative acknowledgement ACK information or the instruction information of the sequence of negative response nack message, and/or it is used for The configuration information of the sequence of configuration feedback affirmative acknowledgement ACK information or negative response nack message, i.e. above-mentioned feedback Instruction information can serve to indicate that or the relevant parameter of sequence of configurating terminal feedback representation ACK information or nack message Information.Uplink synchronous is not the most carried out, it is therefore desirable to use the sequence of certain time length to represent due to terminal ACK or NACK.
Figure 10 is the preferred structure block diagram one of the dispensing device of downlink data according to embodiments of the present invention, as shown in Figure 10, This device, in addition to including all modules shown in Fig. 9, also includes the first receiver module 102 and the second receiver module 104, Below this device is illustrated.
First receiver module 102, is connected to above-mentioned sending module 92, for receive terminal feedback ACK information or Nack message；Second receiver module 104, is connected to above-mentioned first receiver module 102, for receiving terminal transmission Up quick transmission message, wherein, this up quick transmission message and then loading ACK information or NACK in time domain The sequence of information is by terminal transmission.
In an optional embodiment, the lead code that above-mentioned ACK information or nack message configure corresponding to base station, Above-mentioned instruction information and/or configuration information include random access channel configuration information.Wherein, ACK information or NACK are represented The sequence of information is preferably the preamble sequence preamble in Physical Random Access Channel PRACH, now feeds back instruction Information is PRACH configuration information, in order to determine the preamble that terminal feedback ACK information or NACK are used.
In an optional embodiment, when base station determines that above-mentioned terminal receives and demodulate the clean culture industry carried in fast message Feeding back ACK information when doing honest work true, or when above-mentioned terminal receives and demodulate the unicast service mistake carried in fast message During feedback nack message, this feedback instruction information comprise lead code corresponding to the ACK information of instruction configuration information and The configuration information of the lead code corresponding to nack message of instruction；When above-mentioned base station determines that above-mentioned terminal receives and solution tunes up Feeding back ACK information when the unicast service that carries is correct in speed message, above-mentioned terminal receives and demodulates in fast message and carries Unicast service mistake time not feedback information time, this feedback instruction information comprises the lead code that the ACK information of instruction is corresponding Configuration information；When above-mentioned base station determine above-mentioned terminal receive and demodulate the unicast service carried in fast message correct time not Feedback information, when above-mentioned terminal receives and demodulates the unicast service mistake carried in fast message during feedback nack message, This feedback instruction information comprises the configuration information of lead code corresponding to the nack message of instruction.Wherein, (1) is when determining Terminal receives the correct feeding back ACK of unicast service carried in demodulation fast message, carries in reception demodulation fast message Unicast service error feedback NACK, this feedback instruction information comprises the preamble that instruction ACK with NACK is corresponding Configuration information, i.e. feedback instruction information clearly configure ACK and NACK use preamble, this information use 6bit Indicate 1 corresponding A CK in 64 lead codes, use 1 corresponding NACK in 6bit 64 lead codes of instruction, And 4bit information instruction PRACH mask index MA SK Index, indicate the subframe index index that it sends；Or Person uses the method for preamble also to include at instruction ACK and NACK, and use 6bit indicates 1 of 64 lead codes Corresponding A CK, next corresponding NACK back to back；Or use preamble's at instruction ACK and NACK Method also includes using differ 2 in 11bit 64 lead codes of instruction corresponding A CK and NACK respectively；(2) When determining that terminal receives the correct feeding back ACK of unicast service carried in demodulation fast message, receive in demodulation fast message The unicast service mistake carried is not fed back, and feedback instruction information only comprises the configuration letter of preamble corresponding for instruction ACK Breath, i.e. feedback instruction information clearly configures the preamble that ACK uses, and this information uses 6bit to indicate 64 lead codes In 1 corresponding A CK, and 4bit information instruction PRACH MASK Index, indicate subframe index that it sends； (3) when determining that terminal receives the unicast service carried in demodulation fast message and do not feeds back, demodulation fast message is received In unicast service error feedback NACK carried, feedback instruction information only comprises the preamble that instruction NACK is corresponding Configuration information, i.e. feedback instruction information clearly configure NACK use preamble, this information use 6bit instruction Article 64,1 corresponding NACK in lead code, and 4bit information indicates PRACH MASK Index, indicates it Subframe index sent.
In an optional embodiment, above-mentioned base station is same terminal feedback ACK information and nack message difference A kind of lead code of configuration, and be the lead code of same terminal feedback ACK information configuration and be this same terminal feedback The root sequence of the lead code of nack message configuration is identical and/or step length of cyclic shift is identical.Wherein, community generates 64 Bar preamble may need a plurality of sequence, even if selecting maximum step length of cyclic shift, a root sequence can also be produced Raw two preamble.Therefore to make the preamble for representing feedback information ACK or NACK the least Affect in community other-end for random access request, make for representing feedback information ACK or NACK as far as possible The root sequence corresponding to preamble different from for the root sequence corresponding to the preamble of Stochastic accessing, table simultaneously Show that the root sequence corresponding to the preamble of feedback information ACK or NACK is relative to the preamble for Stochastic accessing It is only sub-fraction for corresponding root sequence.
In an optional embodiment, above-mentioned ACK information or lead code corresponding to nack message are that base station is according to having The lead code that the root sequence of limit set and/or the cyclic shift kind of finite aggregate determine.As above, it is used for representing feedback letter The root sequence corresponding to preamble of breath ACK or NACK is relative to for corresponding to the preamble of Stochastic accessing Root sequence for be only sub-fraction, i.e. it is a finite aggregate.Be similar to, be used for determining comprise extra represent anti- During the community preamble of feedforward information ACK or NACK, the cyclic shift kind that can use is relative to being only used for producing It is the value of a portion for cyclic shift kind during Stochastic accessing preamble, is the most also a finite aggregate.
In an optional embodiment, the time domain length of the lead code of above-mentioned base station configuration is less than or equal to a sub-frame length Degree；Wherein, when the time domain length of the lead code configured when this base station is less than a subframe lengths, this feedback instruction information is also Including in indicating subframe use OFDM (Orthogonal Frequency Division Multiplexing, Referred to as OFDM) the instruction information of character position, the OFDM symbol position of use is the lead code institute of base station configuration The OFDM symbol position at place.Fast downlink data transmission method for uplink in the present embodiment mainly considers low time delay communication field Scape (the most optional scene is non-synchronous transmissions scene, or small data transmission scene etc.), now MPS process is little, It is not required to longer preamble.Thus be accordingly used in the preamble time domain length representing feedback information ACK or NACK Preferably lower than or equal to 1 subframe lengths, i.e. preferably format1.For the preamble less than 1 subframe lengths, Preferably format 4, when using this form, the OFDM that above-mentioned feedback instruction information uses in also needing to comprise instruction subframe Character position, such as, compiles the OFDM group being possibly used for the preamble less than 1 subframe lengths in subframe Number, if overlap mode is not numbered, it is assumed that it takies 2 OFDM, then by 14 OFDM symbols in 1 subframe Number it is divided into continuous print 7 groups, now uses 3bit to notify which OFDM group this preamble is positioned in transmission.
In an optional embodiment, the lead code of above-mentioned base station configuration can be used in or can not be used for terminal and carries out Uplink random accesses, wherein, it is possible to carry out the lead code of uplink random access for terminal and carry out with being used for terminal The lead code that uplink random accesses is different.That is, above-mentioned feedback instruction information is used not only for terminal feedback ACK information Or the preamble that nack message is corresponding, it is also possible to for indicating terminal to be used for the preamble that uplink random accesses. While the most now performing the transmission of fast downlink data, terminal can also continue to uplink synchronous process.Quite Possess two functions in the preamble of now GC group connector feeding back ACK or NACK, one be for feeding back ACK or NACK carries out feedback correctly or incorrectly to fast downlink transmission so that base station can be confirmed information, two be for Row synchronizes, and this preamble sends lead code for first step terminal in random access procedure to base station simultaneously.Wherein, simultaneously The preamble accessed for terminal feedback ACK or NACK and uplink random be only used for terminal feedback ACK or The preamble of NACK is different, and i.e. two kinds preamble are a part for 64 lead codes in community, and both Preamble is different.
Figure 11 is the preferred structure block diagram two of the dispensing device of downlink data according to embodiments of the present invention, as shown in figure 11, This device, in addition to including all modules shown in Fig. 9, also includes the 3rd receiver module 112 and the second sending module 114, Below this device is illustrated.
3rd receiver module 112, is connected to above-mentioned sending module 92, for receiving the lead code of terminal feedback；Second Send module 114, be connected to above-mentioned 3rd receiver module 112, for possessing feeding back ACK letter when the lead code of terminal feedback Cease or the ability of nack message, and the lead code of this terminal feedback is provided simultaneously with carrying out the ability of uplink random access Time, send accidental access response RAR message to this terminal；When the lead code of terminal feedback only possesses feeding back ACK information Or during the ability of nack message, do not send accidental access response RAR message.
Figure 12 is the preferred structure block diagram three of the dispensing device of downlink data according to embodiments of the present invention, as shown in figure 12, This device, in addition to including all modules shown in Fig. 9, also includes stopping modular 122, illustrates this device below.
Stopping modular 122, is connected to above-mentioned sending module 92, when row data message includes unicast service instantly, when When meeting at least one following condition, stop sending above-mentioned fast message: base station receives the affirmative acknowledgement of terminal feedback ACK information；Waiting time after base station sends fast message exceedes predetermined threshold.
Figure 13 is the structured flowchart receiving device of downlink data according to embodiments of the present invention, and this device can apply to In terminal, as shown in figure 13, this device includes the 4th receiver module 132, illustrates this device below.
4th receiver module 132, for receiving the fast message carrying downlink data information that base station directly transmits.
In an optional embodiment, above-mentioned downlink data information includes at least one of: unicast service, multicast industry Business, broadcasting service；Above-mentioned fast message includes at least one of: scrambled by proprietary Radio Network Temporary Identifier RNTI Specific fast message, beep-page message, broadcast；Wherein, when row data message includes unicast service instantly, this is fast Speed message the most at least carries the feedback instruction letter fed back the downlink data information in fast message for terminal Breath.Wherein, proprietary RNTI the specific fast message scrambled, can be to use Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identifier, referred to as C-RNTI) some user specific corresponding to scrambling Fast message, or can be use proprietary RNTI scrambling corresponding to specific fast message and can carry one or The downlink data information of multiple users.As in figure 2 it is shown, a kind of preferred proprietary RNTI scrambling corresponding to specific quickly Message is by carrying user profile list and other information optional form, and wherein user profile list is further by each user's Message blocks forms, and can comprise one or more user, and the most each user message block is by subscriber equipment (User Equipment, referred to as UE) identify (Identifier, referred to as ID), user message, feedback instruction information composition.
In an optional embodiment, above-mentioned feedback instruction information includes: be used for indicating terminal to carry in fast message Unicast service feedback affirmative acknowledgement ACK information or the instruction information of sequence of negative response nack message, and/or use The unicast service feedback affirmative acknowledgement ACK information carried in configurating terminal is to fast message or negative response NACK letter The configuration information of the sequence of breath, i.e. above-mentioned feedback instruction information can serve to indicate that or configurating terminal feedback representation ACK The relevant parameter information of the sequence of information or nack message.The most do not carry out uplink synchronous due to terminal, therefore need The sequence of certain time length to be used represents ACK or NACK.
Figure 14 is the preferred structure block diagram one receiving device of downlink data according to embodiments of the present invention, as shown in figure 14, This device, in addition to including all modules shown in Figure 14, also includes feedback module 142 and transport module 144, below to this Device illustrates.
Feedback module 142, is connected to above-mentioned 4th receiver module 132, for base station feedback ACK information or NACK Information；Transport module 144, is connected to above-mentioned feedback module 142, in time domain and then loading ACK information or The sequence of nack message transmits up quick transmission message.
In an optional embodiment, the lead code that above-mentioned ACK information or nack message configure corresponding to base station, Above-mentioned instruction information and/or configuration information include random access channel configuration information.Wherein, ACK information or NACK are represented The sequence of information is preferably the preamble sequence preamble in Physical Random Access Channel PRACH, now feeds back instruction Information is PRACH configuration information, in order to determine the preamble that terminal feedback ACK or NACK is used.
In an optional embodiment, when above-mentioned terminal receive and demodulate the unicast service carried in fast message correct time Feeding back ACK information, or when receiving and demodulate the unicast service mistake carried in fast message during feedback nack message, This feedback instruction information comprises configuration information and the nack message pair of instruction of lead code corresponding to the ACK information of instruction The configuration information of the lead code answered；When terminal receive and demodulate the unicast service carried in fast message correct time feeding back ACK Information, and when receiving and demodulate the unicast service mistake carried in fast message not feedback information time, this feedback instruction letter Cease the configuration information of lead code corresponding to the ACK information comprising instruction；Carry when terminal receives and demodulates in fast message Unicast service correct time not feedback information, feedback when receiving and demodulate the unicast service mistake carried in fast message During nack message, this feedback instruction information comprises the configuration information of lead code corresponding to the nack message of instruction.Its In, (1) terminal receives the correct feeding back ACK of unicast service carried in demodulation fast message, receives demodulation fast message In unicast service error feedback NACK carried, it is corresponding that this feedback instruction information comprises instruction ACK with NACK The configuration information of preamble, i.e. feedback instruction information clearly configures the preamble that ACK and NACK uses, this letter Breath uses 1 corresponding A CK in 6bit 64 lead codes of instruction, uses 1 in 6bit 64 lead codes of instruction Corresponding NACK, and 4bit information instruction PRACH mask index MA SK Index, indicate its subframe sent to refer to Number index；Or before instruction ACK and NACK uses the method for preamble also to include using 6bit to indicate 64 1 corresponding A CK of leading code, next corresponding NACK back to back；Or use at instruction ACK and NACK The method of preamble also include using respectively corresponding A CK of differ 2 in 11bit 64 lead codes of instruction and NACK；(2) the correct feeding back ACK of unicast service that terminal is carried in receiving demodulation fast message, receives demodulation and quickly disappears The unicast service mistake carried in breath is not fed back, and feedback instruction information only comprises joining of preamble corresponding for instruction ACK Confidence ceases, i.e. feedback instruction information clearly configures the preamble that ACK uses, before this information uses 6bit to indicate 64 1 corresponding A CK in leading code, and 4bit information instruction PRACH MASK Index, indicate the subframe that it sends index；(3) unicast service that terminal is carried in receiving demodulation fast message does not feeds back, and receives in demodulation fast message Unicast service error feedback NACK carried, feedback instruction information only comprises preamble's corresponding for instruction NACK Configuration information, i.e. feedback instruction information clearly configures the preamble that NACK uses, and this information uses 6bit instruction 64 1 corresponding NACK in bar lead code, and 4bit information instruction PRACH MASK Index, indicate it to send Subframe index.
In an optional embodiment, the lead code that lead code corresponding to above-mentioned ACK information is corresponding with nack message The lead code being respectively configured for base station, and the root of lead code corresponding to the ACK information lead code corresponding with nack message Sequence is identical and/or step length of cyclic shift is identical.Wherein, community generates 64 preamble and may need a plurality of sequence Row, even if selecting maximum step length of cyclic shift, a root sequence can also produce two preamble.Therefore to make Must be used for representing the preamble of feedback information ACK or NACK the least affect in community other-end for Machine access request, make as far as possible root sequence corresponding to the preamble for representing feedback information ACK or NACK with Different for the root sequence corresponding to the preamble of Stochastic accessing, represent feedback information ACK's or NACK simultaneously Root sequence corresponding to preamble is only one for for the root sequence corresponding to the preamble of Stochastic accessing Fraction.
In an optional embodiment, above-mentioned ACK information or lead code corresponding to nack message are that base station is according to having The lead code that the root sequence of limit set and/or the cyclic shift kind of finite aggregate determine.As above, it is used for representing feedback letter The root sequence corresponding to preamble of breath ACK or NACK is relative to for corresponding to the preamble of Stochastic accessing Root sequence for be only sub-fraction, i.e. it is a finite aggregate.Be similar to, be used for determining comprise extra represent anti- During the community preamble of feedforward information ACK or NACK, the cyclic shift kind that can use is relative to being only used for producing It is the value of a portion for cyclic shift kind during Stochastic accessing preamble, is the most also a finite aggregate.
In an optional embodiment, the time domain length of above-mentioned ACK information or lead code corresponding to nack message is little In or equal to a subframe lengths；Wherein, little when the time domain length of ACK information or lead code corresponding to nack message When a subframe lengths, this feedback instruction information also includes the OFDM used in indicating subframe The instruction information of (Orthogonal Frequency Division Multiplexing, referred to as OFDM) character position, The OFDM symbol position used is the OFDM symbol position residing for lead code of base station configuration.Fast in the present embodiment Speed downlink data transmission method mainly consideration low time delay communication scenes (the most optional scene is non-synchronous transmissions scene, Or small data transmission scene etc.), now MPS process is little, is not required to longer preamble.Thus be accordingly used in expression The preamble time domain length of feedback information ACK or NACK is preferably lower than or equal to 1 subframe lengths, the most preferably format1.For the preamble less than 1 subframe lengths, preferably format 4, use this form time, above-mentioned instead The OFDM symbol position that feedback instruction information uses in also needing to comprise instruction subframe, such as, is possibly used in subframe OFDM group less than the preamble of 1 subframe lengths is numbered, if overlap mode is not numbered, it is assumed that it takies 2 OFDM, then be divided into continuous print 7 groups by 14 OFDM symbol in 1 subframe, now use 3bit Notify which OFDM group this preamble is positioned in transmission.
In an optional embodiment, above-mentioned ACK information or lead code corresponding to nack message can be used in or Terminal can not be used for and carry out uplink random access, wherein, it is possible to for terminal carry out the lead code of uplink random access with Terminal can not be used for and carry out the lead code difference of uplink random access.That is, above-mentioned feedback instruction information is applied not only to terminal Feeding back ACK information or preamble corresponding to nack message, it is also possible to be used for indicating terminal to be used for uplink random and access Preamble.While the most now performing the transmission of fast downlink data, terminal can also continue to up same Step process.Be equivalent to the preamble of now GC group connector feeding back ACK or NACK and possess two functions, one be for Feeding back ACK or NACK carry out feedback correctly or incorrectly so that base station can be confirmed information to fast downlink transmission, Two is for uplink synchronous, and this preamble sends lead code for first step terminal in random access procedure to base station simultaneously. Wherein, it is simultaneously used for preamble that terminal feedback ACK or NACK and uplink random access and is only used for terminal feedback The preamble of ACK or NACK is different, and i.e. two kinds preamble are a part for 64 lead codes in community, And both preamble are different.
Figure 15 is the preferred structure block diagram two receiving device of downlink data according to embodiments of the present invention, as shown in figure 15, This device, in addition to including all modules shown in Figure 13, also includes the 3rd sending module 152 and the 5th receiver module 154, Below this device is illustrated.
3rd sending module 152, is connected to above-mentioned 4th receiver module 132, for sending lead code to base station；5th Receiver module 154, is connected to above-mentioned 3rd sending module 152, for possessing feeding back ACK information when the lead code sent Or the ability of nack message, and when the lead code of this terminal feedback is provided simultaneously with the ability carrying out uplink random access, Receive the accidental access response RAR message that base station sends.
It should be noted that above-mentioned modules can be by software or hardware realizes, for the latter, Ke Yitong Cross in the following manner to realize, but be not limited to this: above-mentioned module is respectively positioned in same processor；Or, above-mentioned module position respectively In multiple processors.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can To be arranged to storage for the program code performing following steps:
S1, base station, when needs send downlink business, directly transmits the fast message carrying downlink data information.
Alternatively, storage medium is also configured to storage for the program code performing following steps:
S1, terminal receives the fast message carrying downlink data information that base station directly transmits.
Alternatively, in the present embodiment, above-mentioned storage medium can include but not limited to: USB flash disk, read only memory (Random Access Memory is called for short for (Read-Only Memory, referred to as ROM), random access memory For RAM), portable hard drive, the various media that can store program code such as magnetic disc or CD.
Alternatively, the concrete example in the present embodiment is referred to showing described in above-described embodiment and optional embodiment Example, the present embodiment does not repeats them here.
Below in conjunction with specific embodiment, the present invention will be described:
Embodiment 1
Downlink unicast data information transfer is used method provided by the present invention to be described in detail explanation by the present embodiment.
Base station has downlink unicast business to be sent to the demand of a certain terminal, sends and carries quickly disappearing of downlink unicast data message Breath data (wherein fast message data can for proprietary RNTI scramble corresponding to specific fast message, beep-page message, Broadcast, follow-up is described as a example by beep-page message).When sending the paging message containing downlink unicast business, Beep-page message carries the downlink data information of this user, and carries the feedback instruction information that downlink data information is corresponding simultaneously. Concrete downlink data information ue-Data of adding in Paging Record and feedback instruction information Feedback Indication。
The feedback instruction terminal feedback affirmative acknowledgement of information configuration or negative response (ACK or NACK, hereinafter referred to as ACK/NACK) information is that terminal receives the correct feeding back ACK of demodulation, receives demodulation error feedback NACK, and feedback refers to Show that information comprises the configuration information of preamble corresponding for instruction ACK with NACK.This information uses 6bit instruction 64 1 corresponding A CK in bar lead code, next corresponding NACK back to back, and 4bit information instruction PRACH MASK Index, indicates subframe index that it sends；
Terminal is being able to receive that the paging reception paging message of paging message, passes through according to UE id information The paging record message blocks demodulating oneself obtains the down user data that base station sends, and obtains feedback simultaneously The preamble of ACK/NACK indicates information.Terminal receives correct down user data, in the subframe of base station instruction The preamble of feedback agent Table A CK.
Base station, after the preamble that the ACK receiving terminal feedback is corresponding, stops sending the unicast service containing this terminal Paging message.
By the downlink data transmission method using the present embodiment to be proposed, terminal can be improved and wake up up from idle state/access Transmit the problem that downlink data time delay is bigger after network again, thus guarantee system have the communicating requirement of low time delay demand terminal, Use this patent method simultaneously, terminal just can feed back when not carrying out uplink synchronous and whether receive correctly, in order to base Station carries out subsequent treatment.
Embodiment 2
Downlink broadcast data information transfer is used method provided by the present invention to be described in detail explanation by the present embodiment.
Base station have downlink broadcast services to be sent to community in all terminals or the demand of one group of terminal, send carry downlink broadcast The fast message data of data message (wherein fast message data can corresponding to proprietary RNTI scrambling specific quickly Message, beep-page message, broadcast, follow-up be described as a example by beep-page message).Wherein, corresponding at Paging Message adds broadcast/group broadcast message BroadcastInfo.
Terminal is being able to receive that the paging reception paging message of paging message, obtains according to UE id information In the paging moment, paging message obtains broadcast/group broadcast message BroadcastInfo that base station issues.
Base station sends the paging message containing broadcast/group broadcast message BroadcastInfo, and the cycle is transmitted, terminal week Phase receives.If receiving correct, then can going successively to idle pattern thus save electrical source consumption, if receiving mistake, then may be used To continue to be received until receiving correct in the paging moment.
By the downlink data transmission method using the present embodiment to be proposed, terminal can be improved and wake up up from idle state/access Transmit the problem that downlink data time delay is bigger after network again, thus guarantee system has all terminals or of low time delay demand Group terminal receives the communicating requirement of identical data information.
Embodiment 3
Downlink unicast data information transfer is used method provided by the present invention to be described in detail explanation by the present embodiment.
Base station has downlink unicast business to be sent to the demand of a certain terminal, wherein has the clean culture of low time delay demand in data respectively Data and the unicast data without low time delay demand.Base station transmission carries the fast of the downlink unicast data message of low time delay demand Speed message data (wherein fast message data can for proprietary RNTI scramble corresponding to specific fast message, paging disappears Breath, broadcast, follow-up be described as a example by beep-page message).Send the paging message containing downlink unicast business Time, beep-page message carries the downlink data information of this user, and carries the feedback instruction that downlink data information is corresponding simultaneously Information.Wherein, in Paging Record, add downlink data information ue-Data and feedback instruction information Feedback Indication。
Terminal feedback acknowledgement/non-acknowledgement (ACK/NACK) information of feedback instruction information configuration is that terminal receives Demodulating correct feeding back ACK, receive demodulation error feedback NACK, feedback instruction information comprises instruction ACK and NACK The configuration information of corresponding preamble, this preamble is additionally operable to terminal and carries out uplink random access simultaneously.Be equivalent to Now the preamble of GC group connector feeding back ACK/NACK possesses two functions, and one is for feeding back ACK/NACK Fast downlink transmission is carried out feedback correctly or incorrectly so that base station can be confirmed information, and two is for uplink synchronous, This preamble sends lead code for first step terminal in random access procedure to base station simultaneously.This information uses 6bit to refer to Show corresponding A CK in 64 lead codes, next corresponding NACK back to back, and the instruction of 4bit information PRACH MASK Index, indicates subframe index that it sends；
Terminal is being able to receive that the paging reception paging message of paging message, passes through according to UE id information The paging record message blocks demodulating oneself obtains the down user data that base station sends, and obtains feedback simultaneously The preamble of ACK/NACK and Stochastic accessing indicates information.Terminal receives correct down user data, in base station Feedback agent Table A CK and the preamble of Stochastic accessing in the subframe of instruction.
Base station, after the preamble that the ACK receiving terminal feedback is corresponding, stops sending the unicast service containing this terminal Paging message.Base station then sends RAR message to this terminal and completes uplink synchronous simultaneously.Base station leads to again afterwards Cross scheduling mode and send the residue unicast data without low time delay demand.
The downlink data transmission method that the application of the invention is proposed, can improve terminal and wake up/access network up from idle state Transmit the problem that downlink data time delay is bigger after network again, thus guarantee system have the communicating requirement of low time delay demand terminal, Use this patent method simultaneously, terminal just can feed back when not carrying out uplink synchronous and whether receive correctly, in order to base Station carries out subsequent treatment.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general Calculating device to realize, they can concentrate on single calculating device, or be distributed in multiple calculating device and formed Network on, alternatively, they can realize, it is thus possible to by them with calculating the executable program code of device Storage is performed by calculating device in the storage device, and in some cases, can hold with the order being different from herein Step shown or described by row, or they are fabricated to respectively each integrated circuit modules, or by many in them Individual module or step are fabricated to single integrated circuit module and realize.So, the present invention is not restricted to any specific hardware Combine with software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the technology of this area For personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made is any Amendment, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (40)

1. the sending method of a downlink data, it is characterised in that including:
Base station, when needs send downlink business, directly transmits the fast message carrying downlink data information.
Method the most according to claim 1, it is characterised in that
Described downlink data information includes at least one of: unicast service, multicast service, broadcasting service；
Described fast message includes at least one of: specific by proprietary Radio Network Temporary Identifier RNTI scrambling Fast message, beep-page message, broadcast；
Wherein, when described downlink data information includes described unicast service, described fast message the most at least carries There is the feedback instruction information downlink data information in described fast message fed back for terminal.
Method the most according to claim 2, it is characterised in that
When described downlink data information includes described unicast service, described base station sends and carries downlink data information Fast message includes: send the fast message of the downlink data information carrying one or more user；
When described downlink data includes multicast service and/or broadcasting service, described base station sends and carries downlink data The fast message of information includes: send the fast message carrying one or more multicast service and/or broadcasting service.
Method the most according to claim 2, it is characterised in that when described downlink data information includes described unicast service, Described fast message includes the described specific fast message by proprietary Radio Network Temporary Identifier RNTI scrambling or broadcast During message, described fast message also carries the terminal identification information that described downlink data information is corresponding.
Method the most according to claim 2, it is characterised in that described feedback instruction information include: for described quickly The unicast service carried in message, for indication feedback affirmative acknowledgement ACK information or negative response nack message The instruction information of sequence, and/or for configuring feedback affirmative acknowledgement ACK information or negative response nack message The configuration information of sequence.
Method the most according to claim 5, it is characterised in that send carry downlink data information fast message it After, also include:
Described base station receives described ACK information or the nack message of described terminal feedback；
Described base station receives the up quick transmission message of described terminal transmission, and wherein, described up quick transmission disappears And then breath carries the sequence of described ACK information or nack message by described terminal transmission in time domain.
Method the most according to claim 5, it is characterised in that described ACK information or nack message are corresponding to base station The lead code of configuration, described instruction information and/or configuration information include random access channel configuration information.
Method the most according to claim 7, it is characterised in that
When described base station determine described terminal receive and demodulate the unicast service carried in described fast message correct time Feed back described ACK information, or described terminal receives and demodulate the unicast service mistake carried in described fast message Time when feeding back described nack message, described feedback instruction information comprises corresponding leading of the described ACK information of instruction The configuration information of the configuration information lead code corresponding with the described nack message of instruction of code；
When described base station determine described terminal receive and demodulate the unicast service carried in described fast message correct time Feed back described ACK information, and described terminal receives and demodulate the unicast service mistake carried in described fast message Time not feedback information time, described feedback instruction information comprises the configuration of lead code corresponding to the described ACK information of instruction Information；
When described base station determine described terminal receive and demodulate the unicast service carried in described fast message correct time Not feedback information, and feedback when described terminal receives and demodulate the unicast service mistake carried in described fast message During described nack message, described feedback instruction information comprises lead code corresponding to the described nack message of instruction Configuration information.
Method the most according to claim 7, it is characterised in that described base station is ACK letter described in same terminal feedback Breath and described nack message are respectively configured a kind of lead code, and configure for ACK information described in same terminal feedback Lead code identical with for the root sequence of lead code of nack message configuration described in described same terminal feedback and/ Or step length of cyclic shift is identical.
Method the most according to claim 7, it is characterised in that described ACK information or corresponding leading of nack message The lead code that code determines according to the root sequence of finite aggregate and/or the cyclic shift kind of finite aggregate for described base station.
11. methods according to claim 7, it is characterised in that
The time domain length of the described lead code of described base station configuration is less than or equal to a subframe lengths；
Wherein, when the time domain length of the described lead code configured when described base station is less than a subframe lengths, described instead Feedback instruction information also includes the instruction information of the orthogonal frequency division multiplex OFDM character position used in indicating subframe, The described OFDM symbol position of described use is the OFDM symbol position residing for described lead code of described base station configuration Put.
12. methods according to claim 7, it is characterised in that the lead code of described base station configuration can be used in or not Can be used in described terminal and carry out uplink random access, wherein, it is possible to carry out uplink random access for described terminal Lead code to carry out the lead code of uplink random access different from being used for described terminal.
13. methods according to claim 12, it is characterised in that described base station directly transmit carry downlink data letter After the fast message of breath, also include:
Described base station receives the lead code of terminal feedback；
When the lead code of terminal feedback possesses the ability of feeding back ACK information or nack message, and described terminal is anti- The described lead code of feedback is when being provided simultaneously with the ability carrying out uplink random access, described base station to described terminal send with Machine accesses response RAR message；
When the lead code of terminal feedback only possesses the ability of feeding back ACK information or nack message, described base station is not Send accidental access response RAR message.
14. methods according to claim 2, it is characterised in that when described downlink data information includes described unicast service Time, described base station, after directly transmitting the fast message carrying downlink data information, also includes:
When meeting at least one following condition, the described base station stopping described fast message of transmission:
Described base station receives the affirmative acknowledgement ACK information of terminal feedback；
Waiting time after described base station sends described fast message exceedes predetermined threshold.
The method of reseptance of 15. 1 kinds of downlink datas, it is characterised in that including:
Terminal receives the fast message carrying downlink data information that base station directly transmits.
16. methods according to claim 15, it is characterised in that
Described downlink data information includes at least one of: unicast service, multicast service, broadcasting service；
Described fast message includes at least one of: specific by proprietary Radio Network Temporary Identifier RNTI scrambling Fast message, beep-page message, broadcast；
Wherein, when described downlink data information includes described unicast service, described fast message the most at least carries There is the feedback instruction information downlink data information in described fast message fed back for described terminal.
17. methods according to claim 16, it is characterised in that described feedback instruction information includes: be used for indicating institute State the terminal unicast service feedback affirmative acknowledgement ACK information to carrying in described fast message or negative response NACK The instruction information of the sequence of information, and/or for configuring the described terminal clean culture industry to carrying in described fast message The configuration information of the sequence of business feedback affirmative acknowledgement ACK information or negative response nack message.
18. methods according to claim 17, it is characterised in that described terminal is receiving carrying of described base station transmission After the fast message of downlink data information, also include:
Described terminal is to ACK information or nack message described in described base station feedback；
The sequence transmission that and then described terminal carries described ACK information or nack message in time domain is up quickly Transmission message.
19. methods according to claim 17, it is characterised in that described ACK information or nack message are corresponding to institute Stating the lead code of base station configuration, described instruction information and/or configuration information include random access channel configuration information.
20. methods according to claim 19, it is characterised in that
Described ACK is fed back when the unicast service carried during described terminal receives and demodulate described fast message is correct Information, or when receiving and demodulate the unicast service mistake carried in described fast message, feed back described nack message Time, described feedback instruction information comprises the configuration information of lead code corresponding to the described ACK information of instruction and instruction The configuration information of the lead code that described nack message is corresponding；
Described ACK is fed back when the unicast service carried during described terminal receives and demodulate described fast message is correct Information, and when receiving and demodulate the unicast service mistake carried in described fast message not feedback information time, described Feedback instruction information comprises the configuration information of lead code corresponding to the described ACK information of instruction；
The not feedback information when the unicast service carried during described terminal receives and demodulate described fast message is correct, and And when feeding back described nack message when receiving and demodulate the unicast service mistake carried in described fast message, described Feedback instruction information comprises the configuration information of lead code corresponding to the described nack message of instruction.
21. methods according to claim 19, it is characterised in that lead code that described ACK information is corresponding and described NACK Lead code corresponding to information is the lead code that described base station is respectively configured, and lead code corresponding to described ACK information and Root sequence for lead code corresponding to described nack message is identical and/or step length of cyclic shift is identical.
22. methods according to claim 19, it is characterised in that described ACK information or described nack message are corresponding Lead code be that described base station determines according to the root sequence of finite aggregate and/or the cyclic shift kind of finite aggregate Lead code.
23. methods according to claim 19, it is characterised in that
The time domain length of described ACK information or lead code corresponding to nack message is less than or equal to a subframe lengths；
Wherein, when the time domain length of ACK information or lead code corresponding to nack message is less than a subframe lengths, Described feedback instruction information also includes the orthogonal frequency division multiplex OFDM character position of use in indicating subframe Instruction information, the described OFDM symbol position of described use is residing for the described lead code of described base station configuration OFDM symbol position.
24. methods according to claim 19, it is characterised in that described ACK information or nack message corresponding before Leading code can be used in or can not be used for described terminal and carries out uplink random access, wherein, it is possible to for described end End carries out the lead code of uplink random access and the lead code that can not be used for described terminal and carry out uplink random access Different.
25. methods according to claim 24, it is characterised in that described terminal is receiving carrying of described base station transmission After the fast message of downlink data information, also include:
Described terminal sends lead code to described base station；
The described lead code sent when described terminal possesses the ability of feeding back ACK information or nack message, and institute Stating the described lead code of terminal feedback when being provided simultaneously with the ability carrying out uplink random access, described terminal receives described The accidental access response RAR message that base station sends.
The dispensing device of 26. 1 kinds of downlink datas, it is characterised in that be positioned at base station side, including:
Sending module, for when needs send downlink business, directly transmitting and carry quickly disappearing of downlink data information Breath.
27. devices according to claim 26, it is characterised in that
Described downlink data information includes at least one of: unicast service, multicast service, broadcasting service；
Described fast message includes at least one of: specific by proprietary Radio Network Temporary Identifier RNTI scrambling Fast message, beep-page message, broadcast；
Wherein, when described downlink data information includes described unicast service, described fast message the most at least carries There is the feedback instruction information downlink data information in described fast message fed back for terminal.
28. devices according to claim 27, it is characterised in that described feedback instruction information include: for described soon The unicast service carried in speed message, for indication feedback affirmative acknowledgement ACK information or negative response nack message The instruction information of sequence, and/or be used for configuring feedback affirmative acknowledgement ACK information or negative response nack message The configuration information of sequence.
29. devices according to claim 28, it is characterised in that also include:
First receiver module, for receiving described ACK information or the nack message of described terminal feedback；
Second receiver module, for receiving the up quick transmission message of described terminal transmission, wherein, described up The sequence that and then quick transmission message carry described ACK information or nack message in time domain is passed by described terminal Defeated.
30. devices according to claim 28, it is characterised in that described ACK information or nack message are corresponding to base Stand configuration lead code, described instruction information and/or configuration information include random access channel configuration information.
31. devices according to claim 30, it is characterised in that described base station configuration lead code can be used in or Described terminal can not be used for and carry out uplink random access, wherein, it is possible to carry out uplink random for described terminal and connect To carry out the lead code of uplink random access different from being used for described terminal for the lead code entered.
32. devices according to claim 31, it is characterised in that also include:
3rd receiver module, for receiving the lead code of terminal feedback；
Second sending module, for possessing the energy of feeding back ACK information or nack message when the lead code of terminal feedback Power, and when the described lead code of described terminal feedback is provided simultaneously with the ability carrying out uplink random access, to described Terminal sends accidental access response RAR message；When the lead code of terminal feedback only possesses feeding back ACK information or NACK During the ability of information, do not send accidental access response RAR message.
33. devices according to claim 27, it is characterised in that when described downlink data information includes described clean culture industry During business, also including: stopping modular, for when meeting at least one following condition, described base station stops sending institute State fast message:
Described base station receives the affirmative acknowledgement ACK information of terminal feedback；
Waiting time after described base station sends described fast message exceedes predetermined threshold.
The reception device of 34. 1 kinds of downlink datas, it is characterised in that be positioned at end side, including:
4th receiver module, for receiving the fast message carrying downlink data information that base station directly transmits.
35. devices according to claim 34, it is characterised in that
Described downlink data information includes at least one of: unicast service, multicast service, broadcasting service；
Described fast message includes at least one of: specific by proprietary Radio Network Temporary Identifier RNTI scrambling Fast message, beep-page message, broadcast；
Wherein, when described downlink data information includes described unicast service, described fast message the most at least carries There is the feedback instruction information downlink data information in described fast message fed back for described terminal.
36. devices according to claim 35, it is characterised in that described feedback instruction information includes: be used for indicating institute State the terminal unicast service feedback affirmative acknowledgement ACK information to carrying in described fast message or negative response NACK The instruction information of the sequence of information, and/or for configuring the described terminal clean culture industry to carrying in described fast message The configuration information of the sequence of business feedback affirmative acknowledgement ACK information or negative response nack message.
37. devices according to claim 36, it is characterised in that also include:
Feedback module, for ACK information or nack message described in described base station feedback；
And then transport module, for carrying the sequence transmission of described ACK information or nack message in time domain Row quickly transmits message.
38. devices according to claim 36, it is characterised in that described ACK information or nack message are corresponding to institute Stating the lead code of base station configuration, described instruction information and/or configuration information include random access channel configuration information.
39. according to the device described in claim 38, it is characterised in that described ACK information or nack message corresponding before Leading code can be used in or can not be used for described terminal and carries out uplink random access, wherein, it is possible to for described end End carries out the lead code of uplink random access and the lead code that can not be used for described terminal and carry out uplink random access Different.
40. according to the device described in claim 39, it is characterised in that also include:
3rd sending module, for sending lead code to described base station；
5th receiver module, for possessing the energy of feeding back ACK information or nack message when the described lead code sent Power, and when the described lead code of described terminal feedback is provided simultaneously with the ability carrying out uplink random access, receive institute State the accidental access response RAR message that base station sends.
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