CN108667578A - Communication means and communication equipment - Google Patents
Communication means and communication equipment Download PDFInfo
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- CN108667578A CN108667578A CN201710203513.6A CN201710203513A CN108667578A CN 108667578 A CN108667578 A CN 108667578A CN 201710203513 A CN201710203513 A CN 201710203513A CN 108667578 A CN108667578 A CN 108667578A
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- 230000005540 biological transmission Effects 0.000 claims description 86
- 238000000034 method Methods 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 25
- 238000013468 resource allocation Methods 0.000 claims description 23
- 230000004044 response Effects 0.000 claims description 8
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- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- 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
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- 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
- H04L5/0058—Allocation criteria
- H04L5/0076—Allocation utility-based
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Abstract
Embodiment of the disclosure is related to communication means and communication equipment.A kind of communication means implemented at terminal device is provided, including：It includes the first subelement for carrying multiple access signature and the second subelement for carrying packet that a resource unit, the resource unit are selected from resource pool；Determine multiple access signature corresponding with the packet that will be sent on the resource unit；And multiple access signature and packet are sent to the network equipment using the resource unit.Additionally provide a kind of communication means implemented at the network equipment and corresponding terminal device and the network equipment.
Description
Technical field
Embodiment of the disclosure relates generally to the communication technology, more particularly, to the communication implemented at communication equipment
Method and corresponding communication equipment.
Background technology
With the continuous development of the communication technology, demand of the user to more high quality-of-service and more big data quantity is also constantly increasing
Long, the requirement to bandwidth is consequently increased.At present, it has been suggested that a variety of multiple access techniques.For example, some orthogonal multiple access skills
Art requires user in the upper progress orthogonal transmission such as time domain, frequency domain, code domain, to avoid interfering while improving bandwidth availability ratio
Generation.As the requirement of access number and system spectrum utilization rate for user is further promoted, industry also proposed
A variety of non-orthogonal multiple access technologies, with the ability for further increasing resource utilization with supporting that magnanimity connects.
In existing multiple access technology, terminal device (such as user equipment, UE), which carries out uplink (UL) transmission, to be made
Multi-access resource generally includes：It is used for transmission the resource part of lead code (hereinafter also referred to " multiple access signature ")；And one
Or multiple resource units for being used for transmission data, wherein each resource unit may include one or more resource blocks (RB) or money
Source element (RE).
For the feedback scheme of lead code, it is roughly divided into two classes at present, first kind scheme is fed back not comprising lead code.
In this scheme, UE is automatically (such as according to UE marks, hybrid automatic repeat-request (HARQ) process identifier or with random side
Formula etc.) select preamble sequence and the resource unit for being accessed.Second class scheme includes lead code feedback, wherein leading
There are time delays between code transmission and data transmission.After receiving preamble sequence, eNB is that each UE distributes specific resources list
Member is for carrying out data transmission.
In above two scheme, the number and/or length of preamble sequence generally correspond to accessing the UE of network
Number.Therefore, in the case where a large amount of UE are accessed, base station may need to handle more and/or longer lead code sequence
Row.Meanwhile base station possibly can not quickly and correctly detect the conflict between the data transmission from these UE.As a result, may be used
It can cause that the detection of data transmission/decoding time increases, processing speed slows down, error rate increases, these are all current technologies
Middle urgent problem to be solved.
Invention content
Generally, embodiment of the disclosure proposes that the communication means implemented at communication equipment and corresponding communication are set
It is standby, to improve detection/decoding speed and reduce the conflict in data transmission, to further increase COMMUNICATION NETWORK PERFORMANCES.
In a first aspect, embodiment of the disclosure provides a kind of communication means implemented at terminal device.This method packet
It includes：It includes the first subelement and use for carrying multiple access signature that a resource unit, the resource unit are selected from resource pool
In the second subelement of carrying packet；Determine multiple access corresponding with the packet that will be sent on the resource unit
Signature；And multiple access signature and packet are sent to the network equipment using the resource unit.
In this regard, embodiment of the disclosure also provides a kind of terminal device for being communicated, including：Controller,
It is configured for selecting a resource unit from resource pool, which includes single for carrying the first son of multiple access signature
Member and the second subelement for carrying packet, and be configured for determining and will be sent on the resource unit
The corresponding multiple access signature of packet；And transceiver, it is more to network equipment transmission to be configured to the resource unit
Location is signed and packet.
Embodiment of the disclosure further includes a kind of terminal device for communication.The terminal device includes：Processor and
It is stored with the memory of instruction, instruction makes the terminal device execute the method according to first aspect when being run by processor.
Embodiment of the disclosure further includes a kind of terminal device for being communicated.The terminal device includes：For from
It includes the first subelement and use for carrying multiple access signature that the device of a resource unit, the resource unit are selected in resource pool
In the second subelement of carrying packet；It is corresponding with the packet that will be sent on the resource unit for determination
The device of multiple access signature；And for using the resource unit to send the device that multiple access is signed with packet to the network equipment.
In second aspect, embodiment of the disclosure provides a kind of communication means implemented at the network equipment.This method packet
It includes：The detection multiple access signature on a resource unit of packet of the carrying from terminal device, the resource unit include using
The first subelement signed in carrying multiple access and the second subelement for carrying packet；And it is determined based on the detection
Whether to terminal device send negative acknowledgment message.
In this regard, embodiment of the disclosure also provides a kind of network equipment for communication.The equipment includes：Transmitting-receiving
Device is configured for detection multiple access signature, the resource on a resource unit of packet of the carrying from terminal device
Unit includes the first subelement for carrying multiple access signature and the second subelement for carrying packet；And control
Device is configured for the detection to determine whether that terminal device sends negative acknowledgment message.
Embodiment of the disclosure further includes a kind of network equipment for communication.The network equipment includes：Processor and
It is stored with the memory of instruction, which makes the network equipment execute the side according to second aspect when being run by processor
Method.
Embodiment of the disclosure further includes a kind of network equipment for communication.The network equipment includes：For carrying
The device of multiple access signature is detected on one resource unit of the packet from terminal device, which includes for holding
Carry the first subelement of multiple access signature and the second subelement for carrying packet；And for being determined based on the detection
Whether the device of negative acknowledgment message is sent to terminal device.
It will be understood that by being described below, in accordance with an embodiment of the present disclosure, by transmitting multiple access on each resource unit
Signature and packet can quickly detect the data transmission from multiple terminal devices with the presence or absence of conflict, so as to reality
Existing rapid feedback.In this way, it is possible to improve detection/decoding speed, collision probability is reduced, so as to improve system transmission performance.
It should be appreciated that the content described in Summary is not intended to limit the key or again of the embodiment of the present disclosure
Feature is wanted, it is also non-for limiting the scope of the present disclosure.The other feature of the disclosure will be easy to understand by description below.
Description of the drawings
It refers to the following detailed description in conjunction with the accompanying drawings, the above and other feature, advantage and aspect of each embodiment of the disclosure
It will be apparent.In the accompanying drawings, same or analogous reference numeral indicates same or analogous element, wherein：
Fig. 1 shows the example communication network that embodiment of the disclosure can be implemented within；
Fig. 2 shows the schematic diagrames of resource allocation according to prior art；
Fig. 3 shows the flow chart for the method for some embodiments according to the disclosure implemented in terminal equipment side；
Fig. 4 shows the schematic diagram of the resource unit of some embodiments according to the disclosure；
Fig. 5 shows the flow that the method for multiple access signature is determined in terminal equipment side of some embodiments according to the disclosure
Figure；
Fig. 6 shows the flow chart for the method for some embodiments according to the disclosure implemented in network equipment side；
Fig. 7 shows the flow chart for the method for some embodiments according to the disclosure implemented in network equipment side；
Fig. 8 shows the schematic diagram of HARQ procedure according to an embodiment of the present disclosure；
Fig. 9 shows the block diagram of the device at the terminal device according to some embodiments of the disclosure；
Figure 10 shows the block diagram of the device at the network equipment according to some embodiments of the disclosure；And
Figure 11 shows the block diagram of the equipment of some embodiments according to the disclosure.
Specific implementation mode
Embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the certain of the disclosure in attached drawing
Embodiment, it should be understood that, the disclosure can be realized by various forms, and should not be construed as being limited to this
In the embodiment that illustrates, it is in order to more thorough and be fully understood by the disclosure to provide these embodiments on the contrary.It should be understood that
It is that being given for example only property of the accompanying drawings and embodiments effect of the disclosure is not intended to limit the protection domain of the disclosure.
In accordance with an embodiment of the present disclosure, " network equipment " refers to its with specific function in base station or communication network
His entity or node." base station " (BS) can indicate node B (NodeB either NB), evolution node B (eNodeB or eNB), remote
Journey radio unit (RRU), radio-frequency maser (RH), remote radio heads (RRH), repeater or such as femto base station, millimicro
The low power nodes etc. of micro-base station etc..In the context of the disclosure, to discuss convenient purpose, term " network equipment " and
" base station " may be used interchangeably, and may be mainly using eNB as the example of the network equipment.
Term " terminal device " as used herein refers to carry out wireless communication between base station or each other
Any terminal device.As an example, terminal device may include user equipment (UE), terminal device (MT), subscriber stations (SS), just
Take formula subscriber stations (PSS), mobile station (MS) or access terminal (AT) and vehicle-mounted above equipment.Above and below the disclosure
Wen Zhong, for the purpose for discussing convenient, term " terminal device " and " UE " may be used interchangeably.
Term " include " or " contain " as used herein and its deformation are that opening includes, i.e., " include but not limited to ".Art
Language " being based on " is " being based at least partially on ".Term " one embodiment " expression " at least one embodiment "；Term " another implementation
Example " expression " at least one other embodiment ".The related definition of other terms provides in will be described below.
As described above, in the case of a large amount of UE access networks, network side may need to handle it is more and/or longer before
Code-guiding sequence possibly can not quickly and correctly detect the conflict between the data transmission from these UE at this time.This
In the case of, it may cause that the detection of data transmission/decoding time increases, processing speed slows down, error rate increases, these are reduced
The transmission performance of system.
In order to solve these and other potential problems, embodiment of the disclosure provides a kind of communication means.According to this
The method of disclosed embodiment, terminal device select a resource unit from resource pool, determine with will be in the resource unit
The corresponding multiple access signature of packet of upper transmission, and using the resource unit multiple access signature and data are sent to the network equipment
Grouping.The network equipment detected on the resource unit multiple access signature, and based on the detection come determine whether terminal device send
Negative acknowledgment message.By using this resource unit come transmit multiple access signature and packet, can quickly detect come from it is more
The data transmission of a terminal device is with the presence or absence of conflict, so as to realize rapid feedback.In this way, it is possible to improve detection/
Decoding speed reduces collision probability, so as to improve system transmission performance.
Fig. 1 shows the example communication network 100 that embodiment of the disclosure can be implemented within.Communication network 100 wraps
Include the network equipment 110 and the terminal device communicated 120.Terminal device 120 is carried out using UL resources to the network equipment 110
The UL of data is transmitted.UL transmission e.g. autonomous type/exempt from mandate/UL competition-based transmission, terminal device 120 can be random
The resource for being transmitted is selected, or it is 120 preconfigured resource of terminal device to use the network equipment 110.
Fig. 2 shows the schematic diagrames 200 of resource allocation according to prior art.As shown in Fig. 2, terminal device 120 is to net
It includes resource such as lower part that the transmission that network equipment 110 carries out, which can use,：It is used for transmission the resource part 210 of lead code and more
A resource unit 220 for being used for transmission data1、2202... ..., 220K(hereafter referred to collectively as " 220 "), wherein each resource unit
220 may include one or more RB or RE.In the embodiment shown in Figure 2, be used for transmission the resource part 210 of lead code with
Each resource unit 220 is phase separation, and resource unit 220 does not simultaneously include the lead code for being used for transmission multiple access signature etc.
It continues to refer to figure 1, the communication in network 100 can be implemented according to any communication protocol appropriate, including but not
It is limited to, it is the cellular communication protocols such as the first generation (1G), the second generation (2G), the third generation (3G), forth generation (4G) and the 5th generation (5G), all
Such as the wireless LAN communication agreement of Institute of Electrical and Electronics Engineers (IEEE) 802.11, and/or be currently known or will
Come any other agreement developed.Moreover, the communication, using arbitrary appropriate wireless communication technique, including but not limited to, code point is more
How defeated location (CDMA), frequency division multiple access (FDMA), time division multiple acess (TDMA), frequency division duplex (FDD), time division duplex (TDD), multi input be
Go out (MIMO), orthogonal frequency division multiple access (OFDM), and/or any other technology for being currently known or developing in the future.
It should be appreciated that the network equipment shown in FIG. 1 number and terminal device number merely for the sake of explanation mesh
And have no intention to limit.Communication network 100 may include any suitable type sum number purpose network equipment, and each network equipment can
To provide proper range and an appropriate number of covering, and communication network 100 can also include any suitable type sum number purpose
Terminal device.
It is also understood that the communication between the network equipment 110 shown in FIG. 1 and terminal device 120 is only exemplary,
And not restrictive.Those skilled in the art are appreciated that embodiment of the disclosure is not only applicable to the network equipment 110 completely
Communication between terminal device 120 can be applicable to the communication between the network equipment and the network equipment or terminal device
Communication between terminal device.
Below in conjunction with Fig. 3 to Figure 11 respectively from the angle of terminal device and the network equipment, to the principle and tool of the disclosure
Body embodiment is described in detail.Referring initially to Fig. 3, it illustrates according to some embodiments of the disclosure in terminal equipment side
The flow chart of the method 300 of implementation.It is appreciated that method 300 can be implemented for example at terminal device 120 as shown in Figure 1.
Method 300 starts from 310, and wherein terminal device 120 selects a resource unit from resource pool.According to the disclosure
Embodiment, resource pool may include predefined one or more resource unit.Each resource unit is a certain size
Running time-frequency resource may include one or more resource blocks and/or one or more resource elements.One resource unit can wrap
Include the part of carrying multiple access signature and the part for carrying packet.Fig. 4 shows some embodiments according to the disclosure
Resource unit schematic diagram 400.
As shown in figure 4, resource unit 410 may include one or more resource blocks and/or one or more resource elements,
And two subelements are segmented into, that is, are used to carry the first subelement 411 of multiple access signature and for carrying packet
Second subelement 412.First subelement 411 and the second subelement 412 may include one or more resource blocks and/or one respectively
A or multiple resource elements.
With continued reference to Fig. 3,320, terminal device 120 determines and the packet that will be sent on the resource unit
Corresponding multiple access signature.In accordance with an embodiment of the present disclosure, terminal device 120 can be 320 from predefined multiple multiple access label
One multiple access signature of selection in name.Multiple access signature can be for example randomly selected, can also be according to agreement, standard, be
System requirement, pre-defined rule.Used transmission plan etc. carrys out selection.In some embodiments, multiple access signature can be according to wanting
The Modulation and Coding Scheme (MCS) of the packet of transmission selects, this will be described in detail below in conjunction with Fig. 5.
In embodiment of the disclosure, predefined multiple access signature may include one group of orthogonal pseudo-random sequence, such as logical
It crosses and one group of sequence that cyclic shift obtains is carried out to Zadoff-Chu root sequences.For each cell, it is only necessary to configure limited
Number multiple access is signed, and each resource unit can reuse identical arrangement set.
330, terminal device 120 sends multiple access signature and packet using resource unit to the network equipment.At some
In embodiment, the multiple access that 320 determinations are carried on by using the first subelement 411 of resource unit 410 is signed, and utilizes resource
Second subelement 412 of unit 410 carries the packet to be sent, and terminal device 120 can be in a resource unit
Multiple access signature and packet are sent to the network equipment 110.
In accordance with an embodiment of the present disclosure, it is grouped to 110 transmission data of the network equipment in the above described manner in terminal device 120
Afterwards, according to the response message from the network equipment 110, method 300 can also optionally include following corresponding operating.At some
In embodiment, in response to receiving the negative acknowledgment message (for example, NACK) from the network equipment 110, terminal device 120 can be with
Come using in 310 selected resource units (that is, for executing resource unit used in the initial transmission of packet)
Execute the transmission again of packet.
Optionally, in some embodiments, when receiving the negative acknowledgment message from the network equipment 110,
Terminal device 120 can select another resource unit to execute the transmission again of packet from resource pool.
As another alternative, in some embodiments, if also receiving the resource allocation from the network equipment 110
Message, such as uplink grant message (UL grant), then terminal device 120 can be using signified in the resource allocation message
The resource shown executes the transmission again of packet.Indicated resource can be according to the disclosure in the resource allocation message
Embodiment one or more resource units, can also be one or more resource units or resource block traditionally.
When executing the transmission again to packet, terminal device 120 can be from predefined multiple multiple access signatures
The new multiple access signature of selection one transmits again for this, or still the multiple access used in first transmission can be signed and used
It is transmitted again in this.
In accordance with an embodiment of the present disclosure, terminal device 120 sends multiple access label using the resource unit of selection to the network equipment
Name and packet.By using this resource unit, to transmit, multiple access is signed and packet, the network equipment 110 can be quick
The data transmission from multiple terminal devices is detected with the presence or absence of conflict, so as to realize rapid feedback, so as to improve
System transmission performance.
In traditional scheme, although the service of different terminal devices (for example, UE) has different payloads, or
At the different locations of these UE in the cell, they are all made of identical transmission block (TB) size and MCS in assigned uplink
To network equipment transmission data in resource.Lower efficiency of transmission caused by this.
To solve the above-mentioned problems with potential other problems, embodiment of the disclosure, which proposes, signs MCS and multiple access
Associated solution.Fig. 5 is shown determines multiple access signature according to some embodiments of the disclosure in terminal equipment side
The flow chart of method 500.In the embodiment shown in fig. 5, multiple access signature is selected according to the MCS for the packet to be sent.
It should be appreciated that embodiment shown in fig. 5 is a kind of realization method of embodiment shown in Fig. 3, it is only exemplary, without
It is restrictive.The embodiment of Fig. 5 can for example as shown in Figure 1 terminal device 120 execute.
Method 500 starts from 510, and wherein terminal device 120 determines the MCS for packet.In the implementation of the disclosure
In example, MCS can include one or more order of modulation, resource block number, resource unit number, transport block size etc..Terminal
Equipment 120 can determine the MCS for the packet to be sent in several ways.For example, terminal device 120 can root
MCS corresponding with the packet is determined according to preset transmission plan.Alternatively, terminal device 120 can basis
MCS corresponding with the packet to be sent is determined from the instruction message about MCS of the reception of the network equipment 110.Another
In one alternate embodiment, terminal device 120 can be adopted according to the position or downlink measurement result of oneself to determine
MCS.
520, the selection from predefined multiple multiple access signatures of terminal device 120 is corresponding with identified MCS more
It signs location.In embodiment of the disclosure, MCS can have a variety of correspondences, terminal device with predefined multiple access signature
120 can determine corresponding multiple access signature according to the correspondence.
In some embodiments, MCS is corresponded with multiple access signature and (is also referred to as " symmetrical grain in embodiment of the disclosure
Degree ").Table 1 shows MCS and the one-to-one example of multiple access signature, wherein each multiple access signature serial number corresponds to a MCS serial number
(IMCS).Although it should be appreciated that in table 1 multiple access signature serial number and MCS serial numbers be all it is tactic by from small to large, this
It is only exemplary and unrestricted.It will be understood by those skilled in the art that MCS serial numbers and/or multiple access signature serial number are can be with
Either out of order arrangement is reversed, as long as the two is one-to-one correspondence.
Table 1
As an alternative, in further embodiments, a MCS is corresponding with multiple and different multiple access signatures (at this
In disclosed embodiment also referred to as " asymmetric granularity ").Table 2 shows MCS examples corresponding with multiple multiple access signature,
Wherein each MCS serial numbers (IMCS) multiple multiple access signature serial numbers can be corresponded to.For example, (referred to as " the MCS# when MCS serial numbers 2
2 "), multiple access signature serial number can be 1 or 2 (referred to as " multiple access signature #1 " or " multiple access signature #2 ").That is, when using MCS#2
It is used as its corresponding multiple access label " multiple access signature #1 " or " multiple access signature #2 " when transmitting a packet, may be used
Name.
Table 2
According to above-described embodiment, terminal device 120 can according to preset, location, signal measurement result etc.
MCS is selected, then determines that corresponding multiple access is signed with correspondence that multiple access signs according to MCS.The network equipment 110 can be with
The multiple access signature carried on the received resource unit of detection, used by determining the packet carried on the resource unit
MCS parameters.Then, the network equipment 110 can be based on identified MCS parameters come to data packet decoding.In this way, it is possible to
Link circuit self-adapting is realized in the case where not transmitting the blind examination for carrying out complexity to uplink, to effectively increase transmission performance
And efficiency of transmission.
Fig. 6 shows the flow chart for the method 600 of some embodiments according to the disclosure implemented in network equipment side.It can
To understand, method 600 can be implemented for example at the network equipment 110 as shown in Figure 1.
Method 600 starts from 610, wherein a money of the network equipment 110 in packet of the carrying from terminal device
Multiple access signature is detected on source unit.Resource unit includes the first subelement for carrying multiple access signature and for carrying data point
Second subelement of group.In accordance with an embodiment of the present disclosure, multiple access signature can be detected in several ways.In some embodiments
In, the number of the multiple access signature in the first subelement that the network equipment 110 determines resource unit 610.This can for example pass through
The execution relevant operation of the first subelement of resource unit is completed using related sequence is signed with multiple access, it can also basis
Other methods appropriate are realized.
620, the network equipment 110 determines whether that terminal device sends negative acknowledgment message, example based on above-mentioned detection
Such as NACK.If only detecting a multiple access signature on resource unit, the network equipment 110 thinks that only there are one terminal devices
Uplink is carried out on the resource unit, does not have conflict at this time, be may thereby determine that and is not sent to terminal device 120
NACK.In the case, the network equipment 110 can be signed based on the multiple access detected to determine the modulation volume for packet
Code scheme, and packet is decoded based on the Modulation and Coding Scheme.
On the other hand, if detecting multiple multiple access signatures on resource unit, the network equipment 110 is thought to have more
A terminal device carries out uplink on the same resource unit simultaneously, namely uplink transmission conflict has occurred.At this point, network
Equipment 110 is it is considered that the initial transmission of packet fails, and determination will send NACK to terminal device 120, to indicate to need
Carry out the transmission again of the packet.Additionally, in some embodiments, if detected on resource unit multiple more
Location is signed, and the network equipment 110 can send resource allocation message, such as UL grant to terminal device 120, be used to indicate by net
Network equipment 110 is the resource that terminal device 120 distributes, for packet transmitted again.When receiving the resource allocation
When message, terminal device 120 can execute the transmission again to packet based on the resource distributed.
Fig. 7 shows the flow chart for the method 700 of some embodiments according to the disclosure implemented in network equipment side.It answers
Work as understanding, embodiment shown in Fig. 7 is a kind of realization method of embodiment shown in fig. 6, is only exemplary, rather than
It is restrictive.The embodiment of Fig. 7 can for example as shown in Figure 1 the network equipment 110 execute.
Method 700 starts from 710, the multiple access in this network equipment 110 determines the first subelement of the resource unit
The number of signature.720, the network equipment 110 judges whether the number of multiple access signature is 1.If it is, the network equipment 110 into
Enter 730, determines and do not send negative acknowledgment message to terminal device 120.Then, 740, based on what is detected on resource unit
Multiple access signature come MCS used by determining packet that the resource unit is transmitted, and 750 based on the MCS to data point
Group is decoded.
If judging that the number of multiple access signature is not 1 in 720 network equipments 110, such as the number is more than 1, it means that
It detected multiple multiple access signatures from the resource unit, the network equipment 110 thinks that data transmission conflict has occurred at this time, needs
Again it is transmitted.Then, negative acknowledgment message is sent in 760 network equipments, instruction will carry out the transmission again of packet.
Then, optionally, the network equipment 110 is the resource transmitted again of the distribution of terminal device 120 for packet, and 770
The resource allocation message of the resource of instruction distribution is sent to terminal device.
It should be appreciated that flow chart shown in Fig. 7 is only exemplary, and not restrictive.Those skilled in the art are complete
Entirely it is appreciated that if the network equipment 110 judges the number of the signature of the multiple access on the resource unit for 0 at the 720 of Fig. 7, example
Such as when the network equipment 110 does not detect relevant peaks when carrying out relevant operation, which determines the resource
There is no data packet transfer on unit, to without the decoding operate to packet.
Fig. 8 shows the schematic diagram 800 of HARQ procedure according to an embodiment of the present disclosure.711,120 (example of terminal device
Such as UE) packet and corresponding multiple access signature are carried on resource unit, carry out base to the network equipment 110 (such as eNB)
In the transmission (hereinafter also referred to " CB transmission ") of competition.ENB receives the CB transmission on the resource unit 712, if detected
More than one multiple access signature is carried on the resource unit, then eNB sends 713NACK to UE, which for example can be
It is sent on Physical Downlink Control Channel (PDCCH) or physical mixed automatic re-transmission indicating channel (PHICH).UE is received 714
NACK message on PDCCH or PHICH, and determine the transmission again for needing to carry out packet.Then, the number is carried out 715
According to the transmission again of grouping, this transmits for example can physically go to share and be carried out on channel (PUSCH) again.
From example shown in Fig. 8 as it can be seen that the initial transmission 711 of packet carries out in n-th of subframe, and the data point
The transmission again 715 of group carries out in the n-th+3 subframes.Therefore, the two-way time (RTT) of uplink HARQ is 3, is corresponded to
3 subframes or 3 Transmission Time Intervals (TTI).In this way, it is possible to realize shorter RTT and quick HARQ procedure, effectively
Feedback delay is reduced, system transmission performance is improved.
A variety of benefits may be implemented in embodiment of the disclosure.Specifically, when a cell is configured with including n orthogonal puppets
When the predefined multiple access signature of random sequence, it is assumed that two UE in the cell have selected identical resource unit to carry out data biography
Defeated, then the two UE select mutually homotactic probability (namely the probability of generation data transmission conflict are denoted as p2) can by with
Lower calculating：
As n=8, p2=12.5%, namely only have 12.5% collision probability in this case.In other words, Ke Yijian
Measure 87.5% data transmission conflict.This effectively increases the efficiency of transmission of system.
In addition, in embodiment of the disclosure, can realize that multiple access is signed using shorter sequence, this is effectively reduced
The expense of multiple access signature is used for transmission in resource unit.
Fig. 9 shows the block diagram of the device 900 at the terminal device according to some embodiments of the disclosure.It is appreciated that
Device 900 can be embodied in terminal device 120 shown in FIG. 1.As shown in figure 9, device 900 includes：Selecting unit 910, quilt
It is configured to select a resource unit from resource pool, resource unit includes the first subelement and use for carrying multiple access signature
In the second subelement of carrying packet；Determination unit 920, the number that is configured to determine that and will be sent on resource unit
It signs according to corresponding multiple access is grouped；And transmission unit 930, it is configured with resource unit and sends multiple access to the network equipment
Signature and packet.
In some embodiments, determination unit 920 is additionally configured to：One is selected from predefined multiple multiple access signatures
Multiple access is signed.
In some embodiments, determination unit 920 is additionally configured to：Determine the Modulation and Coding Scheme for packet；
And the selection multiple access signature corresponding with Modulation and Coding Scheme from predefined multiple multiple access signatures.
In some embodiments, Modulation and Coding Scheme and multiple access signature correspond or a Modulation and Coding Scheme with
Multiple and different multiple access signatures is corresponding.
In some embodiments, device 900 further includes：Execution unit is configured to respond to receive and carrys out automatic network and set
Standby negative acknowledgment message executes one of following operation：The transmission again of packet is executed using resource unit；From resource
Another resource unit is selected in pond to execute the transmission again of packet；Or if receive the money from the network equipment
Source assignment messages then execute the transmission again of packet using resource indicated in resource allocation message.
In some embodiments, execution unit is additionally configured to：Selection is more than one from predefined multiple multiple access signatures
Location is signed, for the transmission again of packet；Or the multiple access signature used in first transmission is used for packet
Transmission again.
Figure 10 shows the block diagram of the device 1000 at the network equipment according to some embodiments of the disclosure.It can manage
Solution, it is possible to implement in the network equipment 110 shown in Fig. 1.As shown in Figure 10, device 1000 includes：Detection unit 1010, by with
Being set to detection multiple access signature, the resource unit on a resource unit of packet of the carrying from terminal device includes
The first subelement for carrying multiple access signature and the second subelement for carrying packet；And determination unit 1020,
It is configured as determining whether that the terminal device sends negative acknowledgment message based on the detection.
In some embodiments, detection unit 1010 is additionally configured to：In the first subelement for determining the resource unit
Multiple access signature number.
In some embodiments, determination unit 1020 is additionally configured to：If only detecting one on the resource unit
A multiple access signature, it is determined that do not send negative acknowledgment message to the terminal device；And it if is examined on the resource unit
Measure multiple multiple access signatures, it is determined that send negative acknowledgment message to the terminal device.
In some embodiments, described device 1000 further includes：Transmission unit, if be configured as in the resource unit
On detect multiple multiple access signature, then send resource allocation message to the terminal device, the resource allocation message instruction by
The network equipment is the resource that the terminal device distributes, for the packet transmitted again.
In some embodiments, determination unit 1020 is additionally configured to：If only detecting one on the resource unit
A multiple access signature, the Modulation and Coding Scheme for the packet is determined based on multiple access signature；And it is based on the tune
Encoding scheme processed is decoded the packet.
It should be appreciated that device 900 and each unit described in device 1000 respectively with the side that is described with reference to figure 3 and Fig. 6
Each step in method 300 and 600 is corresponding.Therefore, it is equally applicable to fill above in association with Fig. 3 and Fig. 6 operations described and feature
900 and device 1000 and unit wherein included are set, and is had same effect, detail repeats no more.
In device 900 and device 1000 included unit can profit realize in various manners, including software, hardware,
Firmware or its arbitrary combination.In one embodiment, one or more units can be realized using software and/or firmware, example
As stored machine-executable instruction on a storage medium.Other than machine-executable instruction or alternatively, device 900
It can be realized at least partly by one or more hardware logic components with some or all of unit of device 1000.As
Example and it is unrestricted, the hardware logic component of the exemplary type that can be used includes field programmable gate array (FPGA), special
Integrated circuit (ASIC), application specific standard product (ASSP), system on chip (SOC), Complex Programmable Logic Devices (CPLD), etc..
These units shown in Fig. 9 and Figure 10 can partially or entirely be embodied as hardware module, software module, consolidate
Part module or its arbitrary combination.Particularly, in certain embodiments, above-described flow, method or process can be by bases
Stand or terminal device in hardware realize.For example, base station or terminal device can utilize its transmitter, receiver, receipts
Hair device and/or processor or controller carry out implementation method 300 and 600.
Figure 11 shows the block diagram for the equipment 1100 for being suitable for realizing embodiment of the disclosure.Equipment 1100 can be used for real
The existing network equipment or terminal device, such as the network equipment 110 and terminal device 120 shown in Fig. 1.
As shown, equipment 1100 includes controller 1110.The operation of 1110 control device 1100 of controller and function.Example
Such as, in certain embodiments, controller 1110 can be by means of the instruction 1130 that is stored in coupled memory 1120
To execute various operations.Memory 1120 can be any suitable type suitable for local technical environment, and can profit
Realized with any suitable data storage technology, memory device, magnetic memory device including but not limited to based on semiconductor and
System, light storage device and system.It, can be in equipment 1100 although illustrate only a memory cell in Figure 11
The memory cell for having multiple physics different.
Controller 1110 can be any suitable type suitable for local technical environment, and may include but unlimited
In all-purpose computer, special purpose computer, microcontroller, digital signal controller (DSP) and based on controller multinuclear control
One or more of device framework is multiple.Equipment 1100 can also include multiple controllers 1110.Controller 1110 and transceiver
1140 couplings, transceiver 1140 can realize the reception of information by means of one or more antennas 1150 and/or other component
And transmission.
When equipment 1100 serves as the network equipment 110, controller 1110 and transceiver 1140 can be with compounding practices, to realize
Above with reference to the method 300 of Fig. 3 descriptions.Wherein, controller 1110 is configured for selecting a resource unit from resource pool,
The resource unit includes the first subelement for carrying multiple access signature and the second subelement for carrying packet, with
And determine multiple access signature corresponding with the packet that will be sent on the resource unit.Transceiver 1140 is configured to use
It signs and the packet in sending the multiple access to the network equipment using the resource unit.
In some embodiments, controller 1110 can be further configured to：It signs from predefined multiple multiple access
One multiple access signature of middle selection.
In some embodiments, controller 1110 can be further configured to：It determines for the packet
Modulation and Coding Scheme；And selection is corresponding with the Modulation and Coding Scheme more from predefined multiple multiple access signatures
It signs location.
In some embodiments, controller 1110 can be further configured to：The net is come from response to receiving
The negative acknowledgment message of network equipment executes one of following operation：The weight of the packet is executed using the resource unit
New transmission；Another resource unit is selected from the resource pool to execute the transmission again of the packet；Or if
The resource allocation message from the network equipment is received, then is held using resource indicated in the resource allocation message
The transmission again of the row packet.
In some embodiments, controller 1110 can be further configured to：It signs from predefined multiple multiple access
One multiple access signature of middle selection, for being transmitted again described in the packet；Or it will be used in first transmission
Multiple access signature transmits again for the described of the packet.
When equipment 1100 serves as terminal device 120, controller 1110 and transceiver 1140 can be with compounding practices, to realize
Above with reference to the method 600 of Fig. 6 descriptions.Wherein, transceiver 1140 is configured in the carrying data from terminal device point
Group a resource unit on detection multiple access signature, the resource unit include for carry multiple access signature the first subelement and
The second subelement for carrying packet；And controller 1110 is configured for the detection to determine whether
The terminal device sends negative acknowledgment message.
In some embodiments, controller 1110 can be further configured to：Determine the first of the resource unit
The number of multiple access signature in subelement.
In some embodiments, controller 1110 can be further configured to：If on the resource unit only
Detect a multiple access signature, it is determined that do not send negative acknowledgment message to the terminal device；And if in the resource
Multiple multiple access signatures are detected on unit, it is determined that send negative acknowledgment message to the terminal device.
In some embodiments, transceiver 1140 can be further configured to：If examined on the resource unit
Multiple multiple access signatures are measured, then send resource allocation message to the terminal device, the resource allocation message instruction is by described
The network equipment is the resource that the terminal device distributes, for the packet transmitted again.
In some embodiments, controller 1110 can be further configured to：If on the resource unit only
It detects a multiple access signature, the Modulation and Coding Scheme for the packet is determined based on multiple access signature；And base
The packet is decoded in the Modulation and Coding Scheme.
It is suitable for equipment 1100 above with reference to all features described in Fig. 3 and Fig. 6, details are not described herein.
In general, the various example embodiments of the disclosure can hardware or special circuit, software, logic or its
What implements in combining.Some aspects can be implemented within hardware, and other aspects can by controller, microprocessor or
Implement in the firmware or software that other computing devices execute.When the various aspects of embodiment of the disclosure are illustrated or described as frame
When figure, flow chart or other certain graphical representations of use, it will be understood that box described herein, device, system, techniques or methods can
Using in terms of as unrestricted example in hardware, software, firmware, special circuit or logic, common hardware or controller or other
It calculates and implements in equipment or its certain combination.
As an example, embodiment of the disclosure can be described in the context of machine-executable instruction, machine can be held
Row instruction such as includes in the program module executed in device on the true or virtual processor of target.In general,
Program module includes routine, program, library, object, class, component, data structure etc., executes specific task or realizes specific
Abstract data structure.In embodiments, the function of program module can merge between described program module or
Segmentation.Machine-executable instruction for program module can execute in local or distributed apparatus.In distributed apparatus
In, program module can be located locally in remote medium storage the two.
The computer program code of method used to implement the present disclosure can be write with one or more programming languages.These
Computer program code can be supplied to the processing of all-purpose computer, special purpose computer or other programmable data processing units
Device so that program code by computer or other programmable data processing units execution when, cause flow chart and/
Or function/operation specified in block diagram is carried out.Program code can completely on computers, part on computers, conduct
Independent software package, part are on computers and part is held on a remote computer or server on the remote computer or completely
Row.
In the context of the disclosure, machine readable media can be include or storage be used for or about instruction execution system
Any tangible medium of the program of system, device or equipment.Machine readable media can be that machine-readable signal medium or machine can
Read storage medium.Machine readable media can include but is not limited to electronics, magnetic, it is optical, electromagnetism, infrared or partly lead
Body system, device or equipment equipment or its any appropriate combination.The more detailed example of machine readable storage medium includes carrying one
Or the electrical connection of multiple conducting wires, portable computer diskette, hard disk, random access memories (RAM), read-only memory
(ROM), Erasable Programmable Read Only Memory EPROM (EPROM or flash memory), light storage device, magnetic storage apparatus or its is any appropriate
Combination.
In addition, although operation is depicted with particular order, this simultaneously should not be construed and require this generic operation to show
Particular order is completed with sequential order, or executes the operation of all diagrams to obtain expected result.In some cases, more
Task or parallel processing can be beneficial.Similarly, although discussed above contain certain specific implementation details, this is not
It should be interpreted that any invention of limitation or the scope of the claims, and should be interpreted that the specific embodiment to specific invention can be directed to
Description.Certain features in this specification described in the context of separated embodiment can also combined implementation single real
It applies in example.Conversely, various features described in the context of single embodiment can also discretely multiple embodiments or
Implement in any appropriate sub-portfolio.
Although with specific to the language description of structural features and or methods of action theme, but it is to be understood that institute
The theme limited in attached claim is not limited to above-described special characteristic or action.On the contrary, above-described specific spy
Action of seeking peace is disclosed as the exemplary forms for realizing claim.
Claims (22)
1. a kind of communication means implemented at terminal device, including：
From resource pool select a resource unit, the resource unit include for carry multiple access signature the first subelement and
The second subelement for carrying packet；
Determine multiple access signature corresponding with the packet that will be sent on the resource unit；And
Using the resource unit multiple access signature and the packet are sent to the network equipment.
2. according to the method described in claim 1, wherein determination and the packet phase that will be sent on the resource unit
Corresponding multiple access is signed：
One multiple access signature of selection from predefined multiple multiple access signatures.
3. according to the method described in claim 2, wherein selecting a multiple access signature packets from predefined multiple multiple access signatures
It includes：
Determine the Modulation and Coding Scheme for the packet；And
The selection multiple access signature corresponding with the Modulation and Coding Scheme from predefined multiple multiple access signatures.
4. it is corresponded according to the method described in claim 3, the wherein described Modulation and Coding Scheme is signed with the multiple access, or
One Modulation and Coding Scheme is corresponding with multiple and different multiple access signatures.
5. according to the method described in claim 1, further including：
In response to receiving the negative acknowledgment message from the network equipment, one of following operation is executed：
The transmission again of the packet is executed using the resource unit；
Another resource unit is selected from the resource pool to execute the transmission again of the packet；Or
If receiving the resource allocation message from the network equipment, using indicated in the resource allocation message
Resource executes the transmission again of the packet.
6. according to the method described in claim 5, the transmission again for wherein executing the packet includes：
One multiple access signature of selection from predefined multiple multiple access signatures, for being passed again described in the packet
It is defeated；Or
By the multiple access signature used in first transmission for being transmitted again described in the packet.
7. a kind of communication means implemented at the network equipment, including：
Detection multiple access signature, the resource unit include on a resource unit of packet of the carrying from terminal device
The first subelement for carrying multiple access signature and the second subelement for carrying packet；And
Determine whether that the terminal device sends negative acknowledgment message based on the detection.
8. according to the method described in claim 7, wherein in a resource unit of packet of the carrying from terminal device
Upper detection multiple access is signed：
Determine the number of the multiple access signature in the first subelement of the resource unit.
9. according to the method described in claim 7, wherein determining whether that it is no that the terminal device is sent based on the detection
Determining response message includes：
If only detecting a multiple access signature on the resource unit, it is determined that do not send negative to the terminal device and answer
Answer message；And
If detecting multiple multiple access signatures on the resource unit, it is determined that send negative response to the terminal device and disappear
Breath.
10. according to the method described in claim 9, further including：
If detecting multiple multiple access signatures on the resource unit, resource allocation message is sent to the terminal device,
Resource allocation message instruction by the network equipment be terminal device distribution, for the packet again
The resource of transmission.
11. according to the method described in claim 9, further including：
If only detecting a multiple access signature on the resource unit, is determined based on multiple access signature and be used for the data
The Modulation and Coding Scheme of grouping；And
The packet is decoded based on the Modulation and Coding Scheme.
12. a kind of terminal device for communication, including：
Controller is configured as：
From resource pool select a resource unit, the resource unit include for carry multiple access signature the first subelement and
The second subelement for carrying packet, and
Determine multiple access signature corresponding with the packet that will be sent on the resource unit；And
Transceiver is configured with the resource unit and sends the multiple access signature and the packet to the network equipment.
13. terminal device according to claim 12, wherein the controller is further configured to：
One multiple access signature of selection from predefined multiple multiple access signatures.
14. terminal device according to claim 13, wherein the controller is further configured to：
Determine the Modulation and Coding Scheme for the packet；And
The selection multiple access signature corresponding with the Modulation and Coding Scheme from predefined multiple multiple access signatures.
15. terminal device according to claim 14, wherein the Modulation and Coding Scheme and multiple access signature one are a pair of
It answers or a Modulation and Coding Scheme is corresponding with multiple and different multiple access signatures.
16. terminal device according to claim 12, wherein the controller is further configured to：
In response to receiving the negative acknowledgment message from the network equipment, one of following operation is executed：
The transmission again of the packet is executed using the resource unit；
Another resource unit is selected from the resource pool to execute the transmission again of the packet；Or
If receiving the resource allocation message from the network equipment, using indicated in the resource allocation message
Resource executes the transmission again of the packet.
17. terminal device according to claim 16, wherein the controller is further configured to：
One multiple access signature of selection from predefined multiple multiple access signatures, for being passed again described in the packet
It is defeated；Or
By the multiple access signature used in first transmission for being transmitted again described in the packet.
18. a kind of network equipment for communication, including：
Transceiver is configured as the detection multiple access signature on a resource unit of packet of the carrying from terminal device,
The resource unit includes the first subelement for carrying multiple access signature and the second subelement for carrying packet；With
And
Controller is configured as determining whether that the terminal device sends negative acknowledgment message based on the detection.
19. the network equipment according to claim 18, wherein the controller is further configured to：
Determine the number of the multiple access signature in the first subelement of the resource unit.
20. the network equipment according to claim 18, wherein the controller is further configured to：
If only detecting a multiple access signature on the resource unit, it is determined that do not send negative to the terminal device and answer
Answer message；And
If detecting multiple multiple access signatures on the resource unit, it is determined that send negative response to the terminal device and disappear
Breath.
21. the network equipment according to claim 20, wherein the transceiver is further configured to：
If detecting multiple multiple access signatures on the resource unit, resource allocation message is sent to the terminal device,
Resource allocation message instruction by the network equipment be terminal device distribution, for the packet again
The resource of transmission.
22. the network equipment according to claim 20, wherein the controller is further configured to：
If only detecting a multiple access signature on the resource unit, is determined based on multiple access signature and be used for the data
The Modulation and Coding Scheme of grouping；And
The packet is decoded based on the Modulation and Coding Scheme.
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| CN113261228A (en) * | 2019-01-10 | 2021-08-13 | 高通股份有限公司 | Feedback transmission using multiple access signatures |
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