CN104935401A - Method used for transmitting data in equipment-to-equipment communication and equipment thereof - Google Patents

Method used for transmitting data in equipment-to-equipment communication and equipment thereof Download PDF

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Publication number
CN104935401A
CN104935401A CN201410108777.XA CN201410108777A CN104935401A CN 104935401 A CN104935401 A CN 104935401A CN 201410108777 A CN201410108777 A CN 201410108777A CN 104935401 A CN104935401 A CN 104935401A
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China
Prior art keywords
data
transmission
retransmission
transmitting apparatus
receiving equipment
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Granted
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CN201410108777.XA
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Chinese (zh)
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CN104935401B (en
Inventor
韩锋
刘铮
孟艳
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Nokia Shanghai Bell Co Ltd
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Alcatel Lucent Shanghai Bell Co Ltd
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Priority to CN201410108777.XA priority Critical patent/CN104935401B/en
Publication of CN104935401A publication Critical patent/CN104935401A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/1806—Go-back-N protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/14—Mobility data transfer between corresponding nodes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

The invention aims at providing a method used for transmitting data in equipment-to-equipment communication and equipment thereof. Receiving equipment receives transmission data sent by corresponding sending equipment. The transmission data comprises data identification information identifying whether the transmission data is new transmission data. According to the data identification information, the new transmission data and retransmission data are determined. Redundancy version information of the retransmission data is determined. According to the redundancy version information, combined decoding is performed on the new transmission data and the retransmission data so as to acquire the decoded new transmission data. Compared to the prior art, by using the method and the equipment of the invention, through adding the data identification information identifying whether the transmission data is the new data in the transmission data, a receiving equipment terminal is easy to determine whether the received data is the new data; and according to a scheduling control signaling comprising timing correlation information, the redundancy version information of the retransmission data is determined. Through an indirect method, the redundancy version information is acquired so that signaling cost is reduced and a frequency spectrum utilization rate is increased.

Description

A kind of equipment in devices communicating for transmitting the method and apparatus of data
Technical field
The present invention relates to communication technical field, particularly relate to a kind of equipment in devices communicating for transmitting the technology of data.
Background technology
As 3GPP (third generation partner program, The3rd Generation PartnershipProject) (equipment is to equipment for the D2D of R12 version characteristic, Device-to-Device) communication is by 3GPP SA (system and business aspect, Service and System Aspects) and RAN(wireless access network, Radio Access Network) organize research for supporting public safety and business service condition.Wherein, broadcast (1:M) communication has been approved for crucial D2D communication means, can be applicable to the network coverage and without in network coverage situation.
For broadcast communication, the HARQ (hybrid automatic repeat-request, Hybrid Automatic Repeat Request) of D2D receiving terminal is not often needed to feed back.For improving transmission reliability, transmitting terminal repeatedly can be used for the packet of combined decoding by blind passage.In nearest RAN1#76 meeting, following working hypothesis is proposed:
The working hypothesis of RAN1#76 meeting:
● support that blind D2D data communication block retransmits.
For at LTE(Long Term Evolution, Long Term Evolution) Turbo code that uses in system, initial transmission comprises all system bits and part check digit; And re-transmission after a while comprises the check digit not in original transmission.Initial transmission and re-transmission may correspond in different RV (redundancy versions, Redundancy Versions).Potential D2D receiving terminal can perform soft merging based on different redundancy versions, to improve the possibility of successful decoded data packets.In this sense, for each transmission, it is vital for correctly obtaining RV for whole D2D communication at receiving terminal.In RAN1#76 meeting, draw about RV indication problem to draw a conclusion:
Conclusion:
● need a kind of method (explicit or implicit expression) to identify which D2D transfer of data can be merged for receiving UE.
● research receives UE and how to identify which D2D transfer of data can merged method further.
Because of D2D UE(subscriber equipment, User Equipment) between channel condition can change in time, and multiple D2D transmitting terminal can competitive channel simultaneously, and therefore, receiving terminal often can not successfully be decoded RV at every turn.In order to realize successfully decoding, receiving terminal needs to distinguish different redundancy versions and corresponding transmitted bit.
And in prior art, determine which for the most direct method of the D2D transfer of data that merges be every data transfer (re-transmission) be passed time, explicitly transmission RV.The schematic diagram of the method shown in Fig. 1, wherein, combine with three data transfer (initial transmission, first time retransmit, retransmit for the second time), RV(RV0, RV1, RV2) be sent out three times, namely, before D2D transmitting apparatus transmits data to corresponding D2D receiving equipment at every turn, first corresponding RV is sent to D2D receiving equipment.As shown in Figure 1, when miss first time retransmit time (in step 4), D2D receiving equipment end can from step 3) and step 5) infer that first time that D2D transmitting apparatus sends retransmits and be not correctly received, and prepare in step 6) in receive the second time that D2D transmitting apparatus sends and retransmit.But this solution can cause larger control signal expense, this may cause reducing spectrum efficiency and reliability.
Summary of the invention
The object of this invention is to provide a kind of equipment in devices communicating for transmitting the method and apparatus of data.
According to an aspect of the present invention, provide a kind of at equipment to the transmitting apparatus end in devices communicating for transmitting the method for data, wherein, the method comprises the following steps:
A sends multiple transmission data continuously to corresponding receiving equipment, and wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data.
According to a further aspect in the invention, provide a kind of at equipment to the receiving equipment end in devices communicating for transmitting the method for data, wherein, the method comprises the following steps:
A receives multiple transmission data that corresponding transmitting apparatus sends continuously, and wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data;
B, according to described data identification information, to determine in described multiple transmission data corresponding new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data;
C determines the redundancy version information of described data retransmission;
D, according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.
According to an aspect of the present invention, provide a kind of in equipment is to devices communicating for transmitting the transmitting apparatus of data, wherein, this transmitting apparatus comprises:
Data sending device, for sending multiple transmission data continuously to corresponding receiving equipment, wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data.
According to a further aspect in the invention, additionally provide a kind of in equipment is to devices communicating for transmitting the receiving equipment of data, wherein, this receiving equipment comprises:
Data sink, for receiving multiple transmission data that corresponding transmitting apparatus sends continuously, wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data;
Determining device, for according to described data identification information, determines new biography transmission of data corresponding in described multiple transmission data and one or more data retransmissions corresponding to this new biography transmission of data;
Redundancy versions determining device, for determining the redundancy version information of described data retransmission;
Decoding device, for according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.
According to an also aspect of the present invention, additionally provide a kind of in equipment is to devices communicating for transmitting the system of data, wherein, this system comprise as aforementioned according to one aspect of the invention a kind of in equipment is to devices communicating for transmitting the transmitting apparatus of data, and as aforementioned according to a further aspect of the invention a kind of in equipment is to devices communicating for transmitting the receiving equipment of data.
Compared with prior art, transmitting apparatus of the present invention by adding for identifying the data identification information whether described transmission data are new biography transmission of data in transmission data, corresponding receiving equipment end is made to judge whether the transmission data received are new biography transmission of data, improve the efficiency judging new data; And, transmitting apparatus of the present invention also can send the scheduling control signaling of the timing related information comprised when sending primary data and data retransmission to described receiving equipment to described receiving equipment, make receiving equipment can determine the redundancy version information of data retransmission based on this, thus the redundancy version information of data retransmission is obtained by indirect method, not only reduce signaling consumption, also improve the availability of frequency spectrum.In addition, when the present invention adds described data identification information in transmission data, by multiplexing for described data identification information near the demodulated reference signal in the Physical Resource Block of described transmission data, channel estimation quality can be improve.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 illustrates the schematic diagram of solution in prior art;
Fig. 2 illustrate according to one aspect of the invention in equipment is to devices communicating for the equipment schematic diagram of the transmitting apparatus and receiving equipment that transmit data;
Fig. 3 illustrates multiplexing to the multiplexing schematic diagram in these transmission data for the data identification information of transmission data;
Fig. 4 illustrates the sub-frame interval schematic diagram of the transmission subframe corresponding to data retransmission;
Fig. 5 illustrates that transmitting apparatus and receiving equipment coordinate according to a further aspect of the present invention and realizes in equipment is to devices communicating for transmitting the method flow diagram of data.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 2 illustrate according to one aspect of the invention in equipment is to devices communicating for transmitting transmitting apparatus 1 and the receiving equipment 2 of data, wherein, transmitting apparatus 1 comprises data sending device 11, and receiving equipment 2 comprises data sink 21, determining device 22, redundancy versions determining device 23 and decoding device 24.Particularly, the data sending device 11 of transmitting apparatus 1 sends multiple transmission data continuously to corresponding receiving equipment 2, and wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data; Correspondingly, the data sink 21 of receiving equipment 2 receives multiple transmission data that corresponding transmitting apparatus 1 sends continuously, and wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data; Determining device 22, according to described data identification information, to determine in described multiple transmission data corresponding new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data; Redundancy versions determining device 23 determines the redundancy version information of described data retransmission; Decoding device 24, according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.
At this, described transmitting apparatus 1 and receiving equipment 2 refer in a mobile communication device, stop from or deliver to the wireless transmission of network, and the ability of terminal equipment is fitted to the part of wireless transmission, i.e. the equipment of user's access to mobile network.Wherein, described transmitting apparatus 1 directly can be communicated without base station by reuse pattern resource with receiving equipment 2, and transmitting apparatus 1 can communicate with multiple receiving equipment 2.Described transmitting apparatus 1 and receiving equipment 2 include but not limited to that any one can be carried out man-machine interaction with user by keyboard, touch pad or voice-operated device and carry out the mutual transmission of signal by mobile network and base station and receive the electronic product of the transmission reaching mobile communication signal, such as panel computer, smart mobile phone, PDA, vehicle-mounted computer, UE, MTC device, CE-MTC UE, CE-MTC equipment etc. for coverage enhancement.At this, described base station refers in mobile communication system, be connected and fixed part and wireless portion, and by the equipment that aerial wireless transmission is connected with travelling carriage, it includes but not limited to as eNB base station etc.At this, described mobile network includes but not limited to GSM, 3G, LTE, Wi-Fi, WiMax, WCDMA, CDMA2000, TD-SCDMA, HSPA, LTD etc.Those skilled in the art will be understood that above-mentioned transmitting apparatus, receiving equipment, mobile network and base station are only citing; other transmitting apparatus that are existing or that may occur from now on or receiving equipment or mobile network or base station are as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Particularly, the mode of data sending device 11 by such as broadcasting of transmitting apparatus 1, or, send multiple transmission data by wireless channel continuously to corresponding receiving equipment 2, wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data.At this, described data identification information for notice potential receiving equipment corresponding to transmitting apparatus 1 as receiving equipment 2 current transmission data be whether new biography transmission of data or for it before the old data (such as data retransmission) of transmission.Wherein, bit position can being increased to indicate described data identification information in the packet of transmission data, as adopted data identification information as described in 1bit bit representation, representing that the transmission data that transmitting apparatus 1 sends are new datas when this bit position is " 0 "; And for data retransmission, this bit position can be set to " 1 ", or this bit position is vacant.Those skilled in the art will be understood that the representation of above-mentioned data identification information is only citing; the representation of other data identification information that are existing or that may occur from now on is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Particularly, first data sending device 11 can transmit at each the data identification information whether these transmission data of multiplexing identification in data are new biography transmission of data, and data identification information is multiplexed into the demodulated reference signal relevant position place in the Physical Resource Block of described transmission data as will be described.Such as, supposing to be in transmitting apparatus 1 in Cellular Networks and the receiving equipment 2 be in this network sets up after D2D communicates, pass through broadcast mode, or, multiple packet is sent continuously to receiving equipment 2 by wireless channel, to send multiple transmission data to receiving equipment 2, suppose that the plurality of transmission data comprise transmission data new-data1, retransmission-data11, retransmission-data12, retransmission-data13, also comprise transmission data new-data2, then first data sending device 11 can transmit at each the data identification information whether these transmission data of multiplexing identification in data are new biography transmission of data, the corresponding bit position reset of data identification information of data new-data1 is transmitted as first determined, and retransmission-data11, retransmission-data12, the corresponding bit position set of retransmission-data13, the corresponding bit position reset of data identification information for transmission data new-data2, then, by multiplexing for described data identification information to the demodulated reference signal relevant position place in the Physical Resource Block of described transmission data, data identification information is multiplexed near the demodulated reference signal in the Physical Resource Block of described transmission data as will be described, as shown in Figure 3, data sending device 11 is at DFTS-OFDM(discrete Fourier transform expansion OFDM, discrete Fouriertransform Spread Orthogonal Frequency Division Multiplexing) before modulator, described data identification information is fixed on demodulated reference signal (DM-RS, DeModulation Reference Signal) namely near uplink reference signals, and be piggybacked to a up PRB(Physical Resource Block, Physical Resource Block) in, at this, the PRB used can be first distributed PRB or make a reservation for pre-configured, also can be fixing about the relative position of the how multiplexing PRB for described data identification information and resource quantity.As seen in Figure 3, described data identification information is positioned near DM-RS, and 4 the RE(resource elements occupied in a PRB, Resource Element), described data identification information employs convolutional encoding and sane QPSK(Quadrature Phase Shift Keying, Quadrature Phase Shift Keying), and be re-used between DFTS-OFDM modulator.Preferably, described data identification information with fixing MCS(modulation coding mode, Modulation and coding Scheme) and transmission mode transmission.For the situation be in the network coverage, transmission mode, the relative position of described data identification information are semi-statically configured by network by system broadcast information; For the network coverage is outer or without the situation during network coverage, transmission mode, the relative position of described data identification information can predetermined configurations.
At this, the present invention, by being multiplexed into by described data identification information near the demodulated reference signal in the Physical Resource Block of described transmission data, improve channel and estimates quality.
Those skilled in the art will be understood that the multiplex mode of above-mentioned data identification information is only citing; the multiplex mode of other data identification information that are existing or that may occur from now on is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Then, data sending device 11 has the transmission data of described data identification information to pass through broadcast mode by multiplexing again, or, receiving equipment 2 is sent to by wireless channel, by multiple transmission data as transmitted the data retransmission of data new-data1 and these transmission data as retransmission-data11, retransmission-data12, retransmission-data13, and another transmission data new-data2 sends to receiving equipment 2 successively.
Correspondingly, the data sink 21 of receiving equipment 2 receives by wireless channel multiple transmission data that corresponding transmitting apparatus 1 sends continuously, and wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data.
Determining device 22, according to described data identification information, to determine in described multiple transmission data corresponding new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data.Such as, connect example, the data sink 21 of receiving equipment 2 receives the continuous multiple transmission data sent of transmitting apparatus 1 as transmission data new-data1, transmission data retransmission-data11, retransmission-data12, retransmission-data13, and another transmission data new-data2, and the corresponding bit position of the data identification information of new biography transmission of data new-data1 is " 0 ", and the data retransmission retransmission-data11 of correspondence, retransmission-data12, the corresponding bit position of retransmission-data13 is " 1 ", the corresponding bit position of data identification information for transmission data new-data2 is " 0 ", then determining device 22 can transmit the data identification information in data according to these, judge that transmission data new-data1 is new biography transmission of data, transmission data retransmission-data11, retransmission-data12, retransmission-data13 is the data retransmission of new-data1, transmission data new-data2 is another new biography transmission of data, namely data new-data1 and retransmission-data11 is transmitted, retransmission-data12, retransmission-data13 belongs to same.
Those skilled in the art will be understood that and above-mentionedly determine that the mode of described new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data is only citing; the mode of new biography transmission of data described in other determinations that are existing or that may occur from now on and one or more data retransmissions corresponding to this new biography transmission of data is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Redundancy versions determining device 23 determines the redundancy version information of described data retransmission.At this, redundancy versions determining device 23 determines that the mode of described redundancy version information includes but not limited to following at least any one:
1) the re-transmission sequence information corresponding to described data retransmission, determines described redundancy version information.Such as, connecting example, supposing that the data sending device 11 of transmitting apparatus 1 sends multiple transmission data as transmitted the data retransmission of data new-data1 and these transmission data as retransmission-data11, retransmission-data12, retransmission-data13, and during another transmission data new-data2, according to new-data1, retransmission-data11, retransmission-data12, retransmission-data13, the order of new-data2 sends to receiving equipment 2 successively, i.e. multiple data retransmission retransmission-data11 of new biography transmission of data new-data1, retransmission-data12, the sending order of retransmission-data13 is followed successively by and retransmits retransmission-data11 for the first time, second time retransmits retransmission-data12, third time retransmits retransmission-data13, then redundancy versions determining device 23 can determine data retransmission retransmission-data11, retransmission-data12, redundancy version information corresponding to retransmission-data13 is respectively RV=2, RV=3, RV=1, correspondingly, the redundancy version information of new biography transmission of data new-data1 is RV=0, and this is similar to LTE PUSCH(Physical Uplink Shared Channel, Physical Uplink Shared Channel) design.
2) transmit timing of the data retransmission corresponding to the predetermined transmission primary data of described transmitting apparatus 1, in conjunction with receiving between described data retransmission temporal information to determine described redundancy version information.At this, comprise the time interval of data retransmission time when described transmitting apparatus 1 sends data retransmission in the transmit timing that described transmitting apparatus 1 is predetermined, to the receiving equipment 2 of correspondence, transmitting apparatus 1 can inform that it sends the transmit timing of corresponding data retransmission before transmission primary data or in transmission primary data simultaneously.Such as, suppose that transmitting apparatus 1 is before sending described transmission data to receiving equipment 2, if when advance notice receiving equipment 2 transmitting apparatus 1 sends data retransmission to it, with Fixed Time Interval as every m millisecond sends a data retransmission, and after first data sink receive new biography transmission of data new-data1, multiple data retransmission retransmission-data11 is received successively at interval of m millisecond, retransmission-data12, retransmission-data13, namely first receive and retransmit retransmission-data11 for the first time, then m millisecond in interval receives second time and retransmits retransmission-data12, then m millisecond in interval receives and retransmits retransmission-data13 for the third time again, then redundancy versions determining device 23 can according to this transmit timing, determine data retransmission retransmission-data11, retransmission-data12, redundancy version information corresponding to retransmission-data13 is respectively RV=2, RV=3, RV=1, correspondingly, the redundancy version information of new biography transmission of data new-data1 is RV=0.
Those skilled in the art will be understood that and above-mentionedly determine that the mode of described redundancy version information is only citing; described in other determinations that are existing or that may occur from now on, the mode of redundancy version information is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Decoding device 24, according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.Such as, also connect example, redundancy versions determining device 23 determines data retransmission retransmission-data11, retransmission-data12, redundancy version information corresponding to retransmission-data13 is respectively RV=2, RV=3, RV=1, the redundancy version information of new biography transmission of data new-data1 is RV=0, then decoding device 24 is according to described redundancy version information, to the data retransmission retransmission-data11 corresponding to new biography transmission of data new-data1 and this new biography transmission of data, retransmission-data12, retransmission-data13 carries out combined decoding process, to obtain decoded described new biography transmission of data.
Constant work between transmitting apparatus 1 and each device of receiving equipment 2.Particularly, the data sending device 11 of transmitting apparatus 1 continues to send multiple transmission data continuously to corresponding receiving equipment 2, and wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data; Correspondingly, multiple transmission data that the corresponding transmitting apparatus 1 of data sink 21 continuous reception of receiving equipment 2 sends continuously, wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data; Determining device 22 continues according to described data identification information, determines new biography transmission of data corresponding in described multiple transmission data and one or more data retransmissions corresponding to this new biography transmission of data; Redundancy versions determining device 23 continues the redundancy version information determining described data retransmission; Decoding device 24 continues according to described redundancy version information, carries out combined decoding process, to obtain decoded described new biography transmission of data to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data.At this, those skilled in the art will be understood that " continuing " refers to transmission and reception, new biography transmission of data and the determination of corresponding data retransmission, the determination of redundancy version information and the decoding process to new biography transmission of data and corresponding data retransmission thereof of constantly carrying out transmitting data between transmitting apparatus 1 and each device of receiving equipment 2 respectively, until transmitting apparatus 1 stopped sending transmission data in the long period.
In a preferred embodiment (with reference to figure 2), transmitting apparatus 1 also comprises signaling sending device (not shown), and receiving equipment 2 also comprises signaling receiving system (not shown) and re-transmission sequence determining device (not shown).Particularly, the signaling sending device of transmitting apparatus 1 sends corresponding scheduling control signaling to described receiving equipment 2, and wherein, described scheduling control signaling comprises timing related information when sending primary data and data retransmission to described receiving equipment; Correspondingly, the signaling receiving system of receiving equipment 2 receives the scheduling control signaling of described transmitting apparatus 1 transmission, and wherein, described scheduling control signaling comprises timing related information when described transmitting apparatus transmission primary data and data retransmission; Re-transmission sequence determining device, according to described timing related information, determines described re-transmission sequence information.
Particularly, the signaling sending device of transmitting apparatus 1 sends corresponding scheduling control signaling to described receiving equipment 2, and wherein, described scheduling control signaling comprises timing related information when sending primary data and data retransmission to described receiving equipment.At this, described timing related information is configurable, and it includes but not limited to following at least any one: time interval information i) between adjacent data retransmission; Ii) the subframe relevant information corresponding to data retransmission, the sub-frame offset etc. of the subframe numbers of the transmission subframe corresponding to data retransmission, relatively new biography transmission of data.Preferably, when transmitting apparatus 1 is within base station range, by base station for it determines described timing related information; When transmitting apparatus 1 is outside base station range, by himself determining described timing related information.
Such as, suppose that transmitting apparatus 1 is within the coverage of base station, respective base station to be timing related information that transmitting apparatus 1 is determined when sending primary data and from data retransmission to receiving equipment 2 be transmit timing1 comprises as: carry out initial transmission at subframe #n, subframe #(n+k) carry out first time data retransmission, at subframe #(n+2k) carry out second time data retransmission, etc., by that analogy, namely the subframe numbers between adjacent data retransmission is spaced apart k(wherein, k can be fixing, also can be configurable), then first the signaling sending device of transmitting apparatus 1 generates corresponding scheduling control signaling as control signaling1, wherein, scheduling control signaling control signaling1 comprises timing related information transmit timing1 when sending primary data and data retransmission to receiving equipment 2, then, this scheduling control signaling control signaling1 is sent directly to described receiving equipment 2.
Those skilled in the art will be understood that the expression way at the subframe numbers interval of the transmission subframe corresponding to above-mentioned data retransmission is only citing; the subframe numbers interval expression way of other transmission subframes corresponding to data retransmission that is existing or that may occur from now on is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Preferably, in the present invention, the maximum transmission times of transmitting apparatus 1 data retransmission can be predetermined (such as, being set to 4 times) or be also configurable.
Those skilled in the art will be understood that in a particular embodiment, the execution that signaling sending device can be parallel with data sending device 11, the also execution of serializable.
Correspondingly, the signaling receiving system of receiving equipment 2 receives the scheduling control signaling of described transmitting apparatus 1 transmission by wireless channel, and wherein, described scheduling control signaling comprises timing related information when described transmitting apparatus transmission primary data and data retransmission.
Re-transmission sequence determining device, according to described timing related information, determines described re-transmission sequence information.Such as, connect example, first the signaling sending device that the signaling receiving system of receiving equipment 2 receives transmitting apparatus 1 generates corresponding scheduling control signaling as control signaling1, wherein, scheduling control signaling control signaling1 comprises timing related information transmit timing1 when sending primary data and data retransmission to receiving equipment 2, then when the determining device 22 of receiving equipment 2 determines that its multiple transmission data received are as transmitted the data retransmission of data new-data1 and these transmission data as retransmission-data11, retransmission-data12, retransmission-data13, and the data retransmission in another transmission data new-data2 is as retransmission-data11, retransmission-data12, when retransmission-data13 is the data retransmission of corresponding new-data1, suppose that the subframe numbers that receiving equipment 2 receives new data new-data1 is #n, receive data retransmission as retransmission-data11, retransmission-data12, the subframe numbers of retransmission-data13 is respectively #(n+k), #(n+2k), #(n+3k), as shown in Figure 4, then re-transmission sequence determining device is according to timing related information transmit timing1, determine data retransmission retransmission-data11, retransmission-data12, re-transmission sequence information corresponding to retransmission-data13 is respectively: first time retransmits, second time retransmits, third time retransmits.
Those skilled in the art will be understood that and above-mentionedly determine that the mode of described re-transmission sequence information is only citing; described in other determinations that are existing or that may occur from now on, the mode of re-transmission sequence information is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Preferably, for the situation be within base station range, transmitting apparatus 1 and receiving equipment 2 are all by PSS(master sync signal, Primary Synchronization Signal)/SSS(auxiliary synchronous signals, Secondary Synchronization Signal) obtain community frame timing, and accurate SFN(System Frame Number, system frame number) by PBCH(Physical Broadcast Channel, Physical Broadcast CHannel) detect.Therefore, receiving equipment 2 identifiable design subframe numbering is to distinguish the described redundancy version information being used for soft merging.
Preferably, for the situation not covering (as not having base station, or outside base station range), transmitting apparatus 1 and receiving equipment 2 getting frames/subframe timing in the present invention, is also needed.Synchronisation source (transmitting apparatus 1 or another UE) should transmit the PSS/SSS for frame timing, such as, in subframe 0.Above-mentioned subframe ID is relevant to synchronizing signal.In addition, should be receiving equipment 2 and transmit similar PBCH information to identify accurate SFN.
Preferably, for not covering situation, transmitting apparatus 1 and receiving equipment 2 also need the sub-frame/frame timing being kept for correctly obtaining RV information.Synchronisation source (transmitting apparatus 1 or another UE) can have to broadcast type like PBCH information.For D2D communication, PD2DBCH can be referred to as.Different between PBCH and PD2DBCH comprise: 1) PD2DBCH only comprises SFN information; 2) SFN in PD2DBCH comprises all bits; 3) the every n ms of PD2DBCH sends, and wherein n even can be configured to and is greater than 40ms.And the processing layer process of PD2DBCH, such as, chnnel coding, CRC insert etc., can be similar with PBCH.
Fig. 5 illustrates that transmitting apparatus and receiving equipment coordinate according to a further aspect of the present invention and realizes in equipment is to devices communicating for transmitting the method flow diagram of data.
Particularly, in step sl, transmitting apparatus 1 continuously sends multiple transmission data to corresponding receiving equipment 2, and wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data; Correspondingly, receiving equipment 2 receives multiple transmission data that corresponding transmitting apparatus 1 sends continuously, and wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data; In step s 2, receiving equipment 2, according to described data identification information, to determine in described multiple transmission data corresponding new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data; In step s3, the redundancy version information of described data retransmission determined by receiving equipment 2; In step s 4 which, receiving equipment 2, according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.
At this, described transmitting apparatus 1 and receiving equipment 2 refer in a mobile communication device, stop from or deliver to the wireless transmission of network, and the ability of terminal equipment is fitted to the part of wireless transmission, i.e. the equipment of user's access to mobile network.Wherein, described transmitting apparatus 1 directly can be communicated without base station by reuse pattern resource with receiving equipment 2, and transmitting apparatus 1 can communicate with multiple receiving equipment 2.Described transmitting apparatus 1 and receiving equipment 2 include but not limited to that any one can be carried out man-machine interaction with user by keyboard, touch pad or voice-operated device and carry out the mutual transmission of signal by mobile network and base station and receive the electronic product of the transmission reaching mobile communication signal, such as panel computer, smart mobile phone, PDA, vehicle-mounted computer, UE, MTC device, CE-MTC UE, CE-MTC equipment etc. for coverage enhancement.At this, described base station refers in mobile communication system, be connected and fixed part and wireless portion, and by the equipment that aerial wireless transmission is connected with travelling carriage, it includes but not limited to as eNB base station etc.At this, described mobile network includes but not limited to GSM, 3G, LTE, Wi-Fi, WiMax, WCDMA, CDMA2000, TD-SCDMA, HSPA, LTD etc.Those skilled in the art will be understood that above-mentioned transmitting apparatus, receiving equipment, mobile network and base station are only citing; other transmitting apparatus that are existing or that may occur from now on or receiving equipment or mobile network or base station are as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Particularly, in step sl, the mode of transmitting apparatus 1 by such as broadcasting, or, continuously send multiple transmission data by wireless channel to corresponding receiving equipment 2, wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data.At this, described data identification information for notice potential receiving equipment corresponding to transmitting apparatus 1 as receiving equipment 2 current transmission data be whether new biography transmission of data or for it before the old data (such as data retransmission) of transmission.Wherein, bit position can being increased to indicate described data identification information in the packet of transmission data, as adopted data identification information as described in 1bit bit representation, representing that the transmission data that transmitting apparatus 1 sends are new datas when this bit position is " 0 "; And for data retransmission, this bit position can be set to " 1 ", or this bit position is empty.Those skilled in the art will be understood that the representation of above-mentioned data identification information is only citing; the representation of other data identification information that are existing or that may occur from now on is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Particularly, in step sl, first transmitting apparatus 1 can transmit at each the data identification information whether these transmission data of multiplexing identification in data are new biography transmission of data, and data identification information is multiplexed into the demodulated reference signal relevant position place in the Physical Resource Block of described transmission data as will be described.Such as, supposing to be in transmitting apparatus 1 in Cellular Networks and the receiving equipment 2 be in this network sets up after D2D communicates, pass through broadcast mode, or, multiple packet is sent continuously to receiving equipment 2 by wireless channel, to send multiple transmission data to receiving equipment 2, suppose that the plurality of transmission data comprise transmission data new-data1, retransmission-data11, retransmission-data12, retransmission-data13, also comprise transmission data new-data2, then in step sl, first transmitting apparatus 1 can transmit at each the data identification information whether these transmission data of multiplexing identification in data are new biography transmission of data, the corresponding bit position reset of data identification information of data new-data1 is transmitted as first determined, and retransmission-data11, retransmission-data12, the corresponding bit position set of retransmission-data13, the corresponding bit position reset of data identification information for transmission data new-data2, then, by multiplexing for described data identification information to the demodulated reference signal relevant position place in the Physical Resource Block of described transmission data, data identification information is multiplexed near the demodulated reference signal in the Physical Resource Block of described transmission data as will be described, as shown in Figure 3, in step sl, transmitting apparatus 1 is at DFTS-OFDM(discrete Fourier transform expansion OFDM, discrete Fourier transform Spread Orthogonal FrequencyDivision Multiplexing) before modulator, described data identification information is fixed on demodulated reference signal (DM-RS, DeModulation Reference Signal) namely near uplink reference signals, and be piggybacked to a up PRB(Physical Resource Block, Physical ResourceBlock) in, at this, the PRB used can be first distributed PRB or make a reservation for pre-configured, also can be fixing about the relative position of the how multiplexing PRB for described data identification information and resource quantity.As seen in Figure 3, described data identification information is positioned near DM-RS, and 4 the RE(resource elements occupied in a PRB, ResourceElement), described data identification information employs convolutional encoding and sane QPSK(Quadrature Phase Shift Keying, Quadrature Phase Shift Keying), and be re-used between DFTS-OFDM modulator.Preferably, described data identification information with fixing MCS(modulation coding mode, Modulation and coding Scheme) and transmission mode transmission.For the situation be in the network coverage, transmission mode, the relative position of described data identification information are semi-statically configured by network by system broadcast information; For the network coverage is outer or without the situation during network coverage, transmission mode, the relative position of described data identification information can predetermined configurations.
At this, the present invention, by being multiplexed into by described data identification information near the demodulated reference signal in the Physical Resource Block of described transmission data, improve channel and estimates quality.
Those skilled in the art will be understood that the multiplex mode of above-mentioned data identification information is only citing; the multiplex mode of other data identification information that are existing or that may occur from now on is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Then, in step sl, transmitting apparatus 1 has the transmission data of described data identification information to pass through broadcast mode by multiplexing again, or, receiving equipment 2 is sent to by wireless channel, by multiple transmission data as transmitted the data retransmission of data new-data1 and these transmission data as retransmission-data11, retransmission-data12, retransmission-data13, and another transmission data new-data2 sends to receiving equipment 2 successively.
Correspondingly, receiving equipment 2 receives by wireless channel multiple transmission data that corresponding transmitting apparatus 1 sends continuously, and wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data.
In step s 2, receiving equipment 2, according to described data identification information, to determine in described multiple transmission data corresponding new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data.Such as, connect example, in step sl, receiving equipment 2 receives the continuous multiple transmission data sent of transmitting apparatus 1 as transmission data new-data1, transmission data retransmission-data11, retransmission-data12, retransmission-data13, and another transmission data new-data2, and the corresponding bit position of the data identification information of new biography transmission of data new-data1 is " 0 ", and the corresponding bit position of the data retransmission retransmission-data11-retransmission-data13 of correspondence is " 1 ", the corresponding bit position of data identification information for transmission data new-data2 is " 0 ", then in step s 2, receiving equipment 2 can transmit the data identification information in data according to these, judge that transmission data new-data1 is new biography transmission of data, transmission data retransmission-data11, retransmission-data12, retransmission-data13 is the data retransmission of new-data1, transmission data new-data2 is another new biography transmission of data, namely data new-data1 and retransmission-data11 is transmitted, retransmission-data12, retransmission-data13 belongs to same.
Those skilled in the art will be understood that and above-mentionedly determine that the mode of described new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data is only citing; the mode of new biography transmission of data described in other determinations that are existing or that may occur from now on and one or more data retransmissions corresponding to this new biography transmission of data is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
In step s3, the redundancy version information of described data retransmission determined by receiving equipment 2.At this, in step s3, receiving equipment 2 determines that the mode of described redundancy version information includes but not limited to following at least any one:
1) the re-transmission sequence information corresponding to described data retransmission, determines described redundancy version information.Such as, connect example, suppose in step sl, transmitting apparatus 1 sends multiple transmission data as transmitted the data retransmission of data new-data1 and these transmission data as retransmission-data11, retransmission-data12, retransmission-data13, and during another transmission data new-data2, according to new-data1, retransmission-data11, retransmission-data12, retransmission-data13, the order of new-data2 sends to receiving equipment 2 successively, i.e. multiple data retransmission retransmission-data11 of new biography transmission of data new-data1, retransmission-data12, the sending order of retransmission-data13 is followed successively by and retransmits retransmission-data11 for the first time, second time retransmits retransmission-data12, third time retransmits retransmission-data13, then in step s3, receiving equipment 2 can determine data retransmission retransmission-data11, retransmission-data12, redundancy version information corresponding to retransmission-data13 is respectively RV=2, RV=3, RV=1, correspondingly, the redundancy version information of new biography transmission of data new-data1 is RV=0, and this is similar to LTE PUSCH(Physical Uplink Shared Channel, Physical Uplink Shared Channel) design.
2) transmit timing of the data retransmission corresponding to the predetermined transmission primary data of described transmitting apparatus 1, in conjunction with receiving between described data retransmission temporal information to determine described redundancy version information.At this, comprise the time interval of data retransmission time when described transmitting apparatus 1 sends data retransmission in the transmit timing that described transmitting apparatus 1 is predetermined, to the receiving equipment 2 of correspondence, transmitting apparatus 1 can inform that it sends the transmit timing of corresponding data retransmission before transmission primary data or in transmission primary data simultaneously.Such as, suppose that transmitting apparatus 1 is before sending described transmission data to receiving equipment 2, if when advance notice receiving equipment 2 transmitting apparatus 1 sends data retransmission to it, with Fixed Time Interval as every m millisecond sends a data retransmission, and after first data sink receive new biography transmission of data new-data1, multiple data retransmission retransmission-data11 is received successively at interval of m millisecond, retransmission-data12, retransmission-data13, namely first receive and retransmit retransmission-data11 for the first time, then m millisecond in interval receives second time and retransmits retransmission-data12, then m millisecond in interval receives and retransmits retransmission-data13 for the third time again, then in step s3, receiving equipment 2 can according to this transmit timing, determine data retransmission retransmission-data11, retransmission-data12, redundancy version information corresponding to retransmission-data13 is respectively RV=2, RV=3, RV=1, correspondingly, the redundancy version information of new biography transmission of data new-data1 is RV=0.
Those skilled in the art will be understood that and above-mentionedly determine that the mode of described redundancy version information is only citing; described in other determinations that are existing or that may occur from now on, the mode of redundancy version information is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
In step s 4 which, receiving equipment 2, according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.Such as, also connect example, in step s3, data retransmission retransmission-data11 determined by receiving equipment 2, retransmission-data12, redundancy version information corresponding to retransmission-data13 is respectively RV=2, RV=3, RV=1, the redundancy version information of new biography transmission of data new-data1 is RV=0, then in step s 4 which, receiving equipment 2 is according to described redundancy version information, to the data retransmission retransmission-data11 corresponding to new biography transmission of data new-data1 and this new biography transmission of data, retransmission-data12, retransmission-data13 carries out combined decoding process, to obtain decoded described new biography transmission of data.
Constant work between transmitting apparatus 1 and each step of receiving equipment 2.Particularly, in step sl, transmitting apparatus 1 continues continuously to send multiple transmission data to corresponding receiving equipment 2, and wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data; Correspondingly, multiple transmission data that the corresponding transmitting apparatus 1 of receiving equipment 2 continuous reception sends continuously, wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data; In step s 2, receiving equipment 2 continues according to described data identification information, determines new biography transmission of data corresponding in described multiple transmission data and one or more data retransmissions corresponding to this new biography transmission of data; In step s3, receiving equipment 2 continues the redundancy version information determining described data retransmission; In step s 4 which, receiving equipment 2 continues according to described redundancy version information, carries out combined decoding process, to obtain decoded described new biography transmission of data to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data.At this, those skilled in the art will be understood that " continuing " refers to transmission and reception, new biography transmission of data and the determination of corresponding data retransmission, the determination of redundancy version information and the decoding process to new biography transmission of data and corresponding data retransmission thereof of constantly carrying out transmitting data between transmitting apparatus 1 and each step of receiving equipment 2 respectively, until transmitting apparatus 1 stopped sending transmission data in the long period.
In a preferred embodiment (with reference to figure 5), it is not shown that the method also comprises step S5() and step S6(not shown).Particularly, in step s 5, transmitting apparatus 1 sends corresponding scheduling control signaling to described receiving equipment 2, and wherein, described scheduling control signaling comprises timing related information when sending primary data and data retransmission to described receiving equipment; Correspondingly, receiving equipment 2 receives the scheduling control signaling that described transmitting apparatus 1 sends, and wherein, described scheduling control signaling comprises timing related information when described transmitting apparatus transmission primary data and data retransmission; Re-transmission sequence determining device, according to described timing related information, determines described re-transmission sequence information.
Particularly, in step s 5, transmitting apparatus 1 sends corresponding scheduling control signaling to described receiving equipment 2, and wherein, described scheduling control signaling comprises timing related information when sending primary data and data retransmission to described receiving equipment.At this, described timing related information is configurable, and it includes but not limited to following at least any one: time interval information i) between adjacent data retransmission; Ii) the subframe relevant information corresponding to data retransmission, the sub-frame offset etc. of the subframe numbers of the transmission subframe corresponding to data retransmission, relatively new biography transmission of data.Preferably, when transmitting apparatus 1 is within base station range, by base station for it determines described timing related information; When transmitting apparatus 1 is outside base station range, by himself determining described timing related information.
Such as, suppose that transmitting apparatus 1 is within the coverage of base station, respective base station to be timing related information that transmitting apparatus 1 is determined when sending primary data and from data retransmission to receiving equipment 2 be transmit timing1 comprises as: carry out initial transmission at subframe #n, subframe #(n+k) carry out first time data retransmission, at subframe #(n+2k) carry out second time data retransmission, etc., by that analogy, namely the subframe numbers between adjacent data retransmission is spaced apart k(wherein, k can be fixing, also can be configurable), then in step s 5, first transmitting apparatus 1 generates corresponding scheduling control signaling as control signaling1, wherein, scheduling control signaling controlsignaling1 comprises timing related information transmit timing1 when sending primary data and data retransmission to receiving equipment 2, then, by sending this scheduling control signaling control signaling1 directly to described receiving equipment 2.
Those skilled in the art will be understood that the expression way at the subframe numbers interval of the transmission subframe corresponding to above-mentioned data retransmission is only citing; the subframe numbers interval expression way of other transmission subframes corresponding to data retransmission that is existing or that may occur from now on is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Preferably, in the present invention, the maximum transmission times of transmitting apparatus 1 data retransmission can be predetermined (such as, being set to 4 times) or be also configurable.
Those skilled in the art will be understood that in a particular embodiment, the execution that step S5 can be able to walk abreast with step S1, the also execution of serializable.
Correspondingly, receiving equipment 2 receives the scheduling control signaling of described transmitting apparatus 1 transmission by wireless channel, and wherein, described scheduling control signaling comprises timing related information when described transmitting apparatus transmission primary data and data retransmission.
In step s 6, receiving equipment 2, according to described timing related information, determines described re-transmission sequence information.Such as, connect example, in step s 5, receiving equipment 2 receives transmitting apparatus 1 and first generates corresponding scheduling control signaling as control signaling1, wherein, scheduling control signaling control signaling1 comprises timing related information transmit timing1 when sending primary data and data retransmission to receiving equipment 2, then when in step s 2, receiving equipment 2 determines that its multiple transmission data received are as transmitted the data retransmission of data new-data1 and these transmission data as retransmission-data11, retransmission-data12, retransmission-data13, and the data retransmission in another transmission data new-data2 is as retransmission-data11, retransmission-data12, when retransmission-data13 is the data retransmission of corresponding new-data1, suppose that the subframe numbers that receiving equipment 2 receives new data new-data1 is #n, receive data retransmission as retransmission-data11, retransmission-data12, the subframe numbers of retransmission-data13 is respectively #(n+k), #(n+2k), #(n+3k), as shown in Figure 4, then in step s 6, receiving equipment 2 is according to timing related information transmit timing1, determine data retransmission retransmission-data11, retransmission-data12, re-transmission sequence information corresponding to retransmission-data13 is respectively: first time retransmits, second time retransmits, third time retransmits.
Those skilled in the art will be understood that and above-mentionedly determine that the mode of described re-transmission sequence information is only citing; described in other determinations that are existing or that may occur from now on, the mode of re-transmission sequence information is as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Preferably, for the situation be within base station range, transmitting apparatus 1 and receiving equipment 2 are all by PSS(master sync signal, Primary Synchronization Signal)/SSS(auxiliary synchronous signals, Secondary Synchronization Signal) obtain community frame timing, and accurate SFN(System Frame Number, system frame number) by PBCH(Physical Broadcast Channel, Physical Broadcast CHannel) detect.Therefore, receiving equipment 2 identifiable design subframe numbering is to distinguish the described redundancy version information being used for soft merging.
Preferably, for the situation not covering (as not having base station, or outside base station range), transmitting apparatus 1 and receiving equipment 2 getting frames/subframe timing in the present invention, is also needed.Synchronisation source (transmitting apparatus 1 or another UE) should transmit the PSS/SSS for frame timing, such as, in subframe 0.Above-mentioned subframe ID is relevant to synchronizing signal.In addition, should be receiving equipment 2 and transmit similar PBCH information to identify accurate SFN.
Preferably, for not covering situation, transmitting apparatus 1 and receiving equipment 2 also need the sub-frame/frame timing being kept for correctly obtaining RV information.Synchronisation source (transmitting apparatus 1 or another UE) can have to broadcast type like PBCH information.For D2D communication, PD2DBCH can be referred to as.Different between PBCH and PD2DBCH comprise: 1) PD2DBCH only comprises SFN information; 2) SFN in PD2DBCH comprises all bits; 3) the every n ms of PD2DBCH sends, and wherein n even can be configured to and is greater than 40ms.And the processing layer process of PD2DBCH, such as, chnnel coding, CRC insert etc., can be similar with PBCH.
It should be noted that the present invention can be implemented in the assembly of software and/or software restraint, such as, application-specific integrated circuit (ASIC) (ASIC), general object computer or any other similar hardware device can be adopted to realize.In one embodiment, software program of the present invention can perform to realize step mentioned above or function by processor.Similarly, software program of the present invention (comprising relevant data structure) can be stored in computer readable recording medium storing program for performing, such as, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, such as, as coordinating with processor thus performing the circuit of each step or function.
In addition, a part of the present invention can be applied to computer program, such as computer program instructions, when it is performed by computer, by the operation of this computer, can call or provide according to method of the present invention and/or technical scheme.And call the program command of method of the present invention, may be stored in fixing or moveable recording medium, and/or be transmitted by the data flow in broadcast or other signal bearing medias, and/or be stored in the working storage of the computer equipment run according to described program command.At this, comprise a device according to one embodiment of present invention, this device comprises the memory for storing computer program instructions and the processor for execution of program instructions, wherein, when this computer program instructions is performed by this processor, trigger this plant running based on the aforementioned method according to multiple embodiment of the present invention and/or technical scheme.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in device claim or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.

Claims (15)

1. at equipment to the transmitting apparatus end in devices communicating for transmitting a method for data, wherein, the method comprises the following steps:
A sends multiple transmission data continuously to corresponding receiving equipment, and wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data.
2. method according to claim 1, wherein, described steps A comprises:
-send multiple transmission data continuously to corresponding receiving equipment, wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data, and described data identification information is multiplexed into described transmission data.
3. method according to claim 2, wherein, described data identification information is multiplexed into the demodulated reference signal relevant position place in the Physical Resource Block of described transmission data.
4. according to the method in any one of claims 1 to 3, wherein, the method also comprises:
-send corresponding scheduling control signaling to described receiving equipment, wherein, described scheduling control signaling comprises timing related information when sending primary data and data retransmission to described receiving equipment.
5. at equipment to the receiving equipment end in devices communicating for transmitting a method for data, wherein, the method comprises the following steps:
A receives multiple transmission data that corresponding transmitting apparatus sends continuously, and wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data;
B, according to described data identification information, to determine in described multiple transmission data corresponding new biography transmission of data and one or more data retransmissions corresponding to this new biography transmission of data;
C determines the redundancy version information of described data retransmission;
D, according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.
6. method according to claim 5, wherein, described step c comprises:
-re-transmission sequence information corresponding to described data retransmission, determines described redundancy version information.
7. method according to claim 6, wherein, the method also comprises:
-receive described transmitting apparatus send scheduling control signaling, wherein, described scheduling control signaling comprise described transmitting apparatus send primary data and data retransmission time timing related information;
-according to described timing related information, determine described re-transmission sequence information.
8. in equipment is to devices communicating for transmitting a transmitting apparatus for data, wherein, this transmitting apparatus comprises:
Data sending device, for sending multiple transmission data continuously to corresponding receiving equipment, wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data.
9. transmitting apparatus according to claim 8, wherein, described data sending device is used for:
-send multiple transmission data continuously to corresponding receiving equipment, wherein, described transmission data comprise for identifying the data identification information whether described transmission data are new biography transmission of data, and described data identification information is multiplexed into described transmission data.
10. transmitting apparatus according to claim 9, wherein, described data identification information is multiplexed into the demodulated reference signal relevant position place in the Physical Resource Block of described transmission data.
Transmitting apparatus according to any one of 11. according to Claim 8 to 10, wherein, this transmitting apparatus also comprises:
Signaling sending device, for sending corresponding scheduling control signaling to described receiving equipment, wherein, described scheduling control signaling comprises timing related information when sending primary data and data retransmission to described receiving equipment.
12. 1 kinds in equipment is to devices communicating for transmitting the receiving equipment of data, wherein, this receiving equipment comprises:
Data sink, for receiving multiple transmission data that corresponding transmitting apparatus sends continuously, wherein, described transmission packet is containing for identifying the data identification information whether described transmission data are new biography transmission of data;
Determining device, for according to described data identification information, determines new biography transmission of data corresponding in described multiple transmission data and one or more data retransmissions corresponding to this new biography transmission of data;
Redundancy versions determining device, for determining the redundancy version information of described data retransmission;
Decoding device, for according to described redundancy version information, carries out combined decoding process to the one or more data retransmissions corresponding to described new biography transmission of data and this new biography transmission of data, to obtain decoded described new biography transmission of data.
13. receiving equipments according to claim 12, wherein, described redundancy versions determining device is used for:
-re-transmission sequence information corresponding to described data retransmission, determines described redundancy version information.
14. receiving equipments according to claim 13, wherein, this receiving equipment also comprises:
Signaling receiving system, for receiving the scheduling control signaling that described transmitting apparatus sends, wherein, described scheduling control signaling comprises timing related information when described transmitting apparatus transmission primary data and data retransmission;
Re-transmission sequence determining device, for according to described timing related information, determines described re-transmission sequence information.
15. 1 kinds in equipment is to devices communicating for transmitting the system of data, wherein, this system comprises the transmitting apparatus according to Claim 8 to 11 at least described in any one, and according to claim 12 to the receiving equipment in 14 at least described in any one.
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