CN105281866B - The discontinuous low rate traffic transmission method of multi-user's burst and device - Google Patents
The discontinuous low rate traffic transmission method of multi-user's burst and device Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of discontinuous low rate traffic transmission method of multi-user burst and devices.The described method includes: the discontinuous low rate traffic data of the burst of multiple users are combined when determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, distribute TB resource for the discontinuous low rate traffic data of burst after combination；It is each TB resource allocation code word using identical MCS；Transmission diversity multiplexing process in airspace is carried out to the TB after distribution codeword, each TB is carried on data channel, and generate the corresponding control channel of data channel；In the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.The present invention reduces the collision probability of control channel, reduces resource fragmentation by polymerizeing to the Physical Resource Block of eating dishes without rice or wine that discontinuous low rate traffic occupies that happens suddenly.
Description
Technical field
The present invention relates to the discontinuous low rate traffic transmission technologys of multi-user's burst, more particularly to one kind to be suitable for drilling for a long time
Into the discontinuous low rate traffic transmission method of multi-user's burst and device of (LTE, Long Term Evolution) system.
Background technique
With the popularization of mobile Internet, various Internet services need to realize terminal and interconnection by mobile radio network
The connection of network server, especially after the broadband wireless mobile network of super 4G even 5G is universal, mobile radio network will
Support more Internet services.
As QQ business, wechat business, web-browsing service, various microblogging interactive services, the timely chat service of network, website
The various Internet applications such as login process, common feature are exactly that data are sent discontinuously, and service rate is low, the data packet of burst
It may be very big, it is also possible to very little, but once have data to send, it also to send in time, to avoid influencing user's
Experience perception.
In 4G even B4G, 5G communication system, system bandwidth is very big, can be smaller for the resource of above-mentioned traffic assignments,
For example 2/4/8 Physical Resource Block (PRB, Physical Resource Block) can carry these data, in 100 PRB
(20M system bandwidth), in even broader system bandwidth (100M, 200M, even 500M), excessive small resource block distribution, meeting
A large amount of fragment is caused to system resource, reduces the resource utilization of system, and increases the complexity of resource allocation, together
When also increase the limited probability of control channel.
In 4G communication system, the transmission diversity of LTE uses null tone code block (SFBC, Space Frequency Block
) and the side that combines of frequency error factor transmission diversity (FSTD, Frequency Switch Transmit Diversity) Code
Formula, as shown in Figure 1, being one group by way of FSTD for it with the signal (S1 and S2, S3 and S4) on two frequency bins and being conjugated
And/or the signal after inversion operation is transmitted on different antennas.Meanwhile further through SFBC mode, subcarrier will be come from
The signal of f1 and f2, f3 and f4 are sent on TX1 and TX2 respectively, with two signals (S1 and S2, S3 and S4) on TX3 and TX4
For the transmission sequence of one group of transformation signal, transmitted after the operation for being conjugated and/or being negated.
When the discontinuous low rate traffic data of progress downlink burst are sent, the data volume of each user is considerably less, needs
The PRB number of distribution is few, causes the fragment for occurring excessive in system bandwidth, this undoubtedly reduces resource utilization and increases
The complexity of resource allocation, simultaneously because a large number of users application resource, increases the limited probability of control channel.
Summary of the invention
In order to solve the above technical problems, the embodiment of the present invention provides a kind of discontinuous low rate traffic transmission of multi-user's burst
Method and device, when village head multi-user happens suddenly discontinuous low rate traffic, by being occupied to the discontinuous low rate traffic that happens suddenly
Physical Resource Block of eating dishes without rice or wine polymerize, reduce the collision probability of control channel, reduce resource fragmentation.
The technical solution of the embodiment of the present invention is achieved in that
A kind of discontinuous low rate traffic transmission method of multi-user's burst, comprising:
When determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, by the non-company of the burst of multiple users
Continuous low rate traffic data are combined, and distribute transmission block TB money for the discontinuous low rate traffic data of burst after combination
Source；
It is each TB resource allocation code word using identical modulation and encoding scheme MCS；
Transmission diversity multiplexing process in airspace is carried out to the TB after distribution codeword, each TB is carried on data channel, and is raw
At the corresponding control channel of the data channel；
In the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
Preferably, the discontinuous low rate traffic data of the burst by multiple users are combined, comprising:
The discontinuous low rate traffic data of the burst of multiple users with orthogonality relation are arranged successively and group by user
It is combined into a data.
It is preferably, described to generate the corresponding control channel of the data channel, comprising:
The control information that the data channel is decoded for user is generated, with current discontinuous low rate traffic to be sent
Data are carried in channel together, and are respectively formed the control channel and the data channel.
A kind of discontinuous low rate traffic transmission method of multi-user's burst, comprising:
The total bit number for all transmission block TB that can be sent according to N number of user distributes Physical Resource Block PRB number unitedly；
Diversity multiplexing process is carried out to the TB of each user respectively, to the TB block absolute coding of each user, obtains N number of independence
Code word；
N number of code word is scrambled using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user, and carries out coding and reflects
It penetrates；
It determines pre-coding matrix P, the data to be sent of N number of user is modulated respectively using pre-coding matrix P；Its
In, P is M × (2 × k × N), and M is the antenna port number that communication system is supported, k × N is the number of plies that communication system is supported, 2 × k
× N is the signal number of layer, and k is the number of plies of each code word mapping；
The data that the data virtual of modulated N number of user is a user are uniformly subjected to resource unit RE mapping；
The data being mapped on RE are transmitted in M antenna port.
Preferably, coding mapping, packet are carried out using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user to N number of code word
It includes:
Planisphere coding mapping is carried out using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user to N number of code word；
Wherein, the constellation graph code includes at least one below:
Quadrature phase shift keying QPSK, 16 phase quadrature amplitude modulation 16QAM, 64QAM, 256QAM.
Preferably, after determining pre-coding matrix P, which comprises
Identified pre-coding matrix P is configured at transmitting terminal and receiving end；Alternatively,
Pre-coding matrix P is notified to receiving end by broadcast message or dedicated control channel from transmitting terminal.
The discontinuous low rate traffic transmitting device of a kind of multi-user's burst, which is characterized in that described device includes determining list
Member, assembled unit, the first allocation unit, the second allocation unit, airspace transmission diversity multiplexing process unit and transmission unit,
In:
Determination unit, when for determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, triggering group
Close unit；
Assembled unit, for combining the discontinuous low rate traffic data of the burst of multiple users；
First allocation unit, for distributing transmission block TB resource for the discontinuous low rate traffic data of burst after combination；
Second allocation unit, for being each TB resource allocation code word using identical modulation and encoding scheme MCS；
Airspace transmission diversity multiplexing process unit, for being carried out at the multiplexing of airspace transmission diversity to the TB after distribution codeword
Reason, each TB is carried on data channel, and generate the corresponding control channel of the data channel；
Transmission unit, in the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
Preferably, the assembled unit, the discontinuous low rate of burst for being also used to have multiple users of orthogonality relation
Business datum is arranged successively by user and group is combined into a data.
Preferably, the airspace transmission diversity multiplexing process unit is also used to generate for user's decoding data letter
The control information in road is carried in channel together with current discontinuous low rate traffic data to be sent, and is respectively formed institute
State control channel and the data channel.
A kind of multi-user happens suddenly discontinuous low rate traffic transmitting device, including allocation unit, diversity multiplexing process unit,
First map unit, modulation unit, the second map unit and transmission unit, in which:
Allocation unit, the total bit number unified distribution physics money of all transmission block TB for that can be sent according to N number of user
Source block PRB number；
Diversity multiplexing process unit carries out diversity multiplexing process for the TB to each user, to the TB of each user respectively
Block absolute coding obtains N number of independent code word；
First map unit, for being carried out to N number of code word using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user
Scrambling, and carry out coding mapping；
Modulation unit, for determining pre-coding matrix P, using pre-coding matrix P respectively to the data to be sent of N number of user
It is modulated；Wherein, P is M × (2 × k × N), and M is the antenna port number that communication system is supported, k × N is communication system support
The number of plies, 2 × k × N be layer signal number, k be each code word mapping the number of plies；
Second map unit, for carrying out the data unification that the data virtual of modulated N number of user is a user
Resource unit RE mapping；
Transmission unit, for transmitting the data being mapped on RE in M antenna port.
Preferably, first map unit is also used to temporarily mark N number of code word using the cell-radio network of each user
Know C-RNTI and carries out planisphere coding mapping；
Wherein, the constellation graph code includes at least one below:
Quadrature phase shift keying QPSK, 16 phase quadrature amplitude modulation 16QAM, 64QAM, 256QAM.
Preferably, described device further include:
Configuration unit, for identified pre-coding matrix P to be configured at transmitting terminal and receiving end；Alternatively,
Pre-coding matrix P is notified to receiving end by broadcast message or dedicated control channel from the transmission unit.
It, will be more when determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst in the embodiment of the present invention
The discontinuous low rate traffic data of the burst of a user are combined, for the discontinuous low rate traffic data of burst after combination
Distribute transmission block (TB, Transport Block) resource；It is one by the discontinuous low rate traffic data virtual of burst after combination
The data of a user are every using identical modulation and encoding scheme (MCS, Modulation and Coding Scheme)
A TB resource allocation code word；Transmission diversity multiplexing process in airspace is carried out to the TB after distribution codeword, each TB is carried on data letter
On road, and generate the corresponding control channel of data channel；In the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
Alternatively, the total bit number for all TB that can be sent according to N number of user distributes PRB number unitedly；The TB of each user is carried out respectively
Diversity multiplexing process obtains N number of independent code word to the TB block absolute coding of each user；The C- of each user is used N number of code word
RNTI is scrambled, and carries out coding mapping；Determine pre-coding matrix P, using pre-coding matrix P respectively to N number of user to
Data are sent to be modulated；Wherein, P is M × (2 × k × N), and M is antenna port number, and k × N is the number of plies that communication system is supported,
2 × k × N is the signal number of layer, and k is the number of plies of each code word mapping；
The data that the data virtual of modulated N number of user is a user are uniformly subjected to resource unit RE mapping；
The data being mapped on RE are transmitted in mutiple antennas port
Compared with prior art, the attainable technical effect of institute of the embodiment of the present invention has:
Reduce resource fragmentation.
Reduce the probability of PDCCH control channel conflict.
The scene needs of B4G/5G are adapted to.
Detailed description of the invention
Fig. 1 is the schematic illustration that using SFBC and FSTD data are carried out with diversity transmission；
Fig. 2 is that the multi-user of the embodiment of the present invention one happens suddenly the flow chart of discontinuous low rate traffic transmission method；
Fig. 3 is the embodiment of the present invention one using exemplary flow chart；
Fig. 4 is that the multi-user of the embodiment of the present invention two happens suddenly the flow chart of discontinuous low rate traffic transmission method；
Fig. 5 is the embodiment of the present invention two using exemplary flow chart；
Fig. 6 be the embodiment of the present invention three multi-user happen suddenly discontinuous low rate traffic transmitting device composed structure signal
Figure；
Fig. 7 be the embodiment of the present invention four multi-user happen suddenly discontinuous low rate traffic transmitting device composed structure signal
Figure.
Specific embodiment
The general rule that the embodiment of the present invention is dispatched according to business model, low rate traffic discontinuous for downlink burst,
Each user only needs single code word (the TB block of a MAC) to transmit.Specifically, the embodiment of the present invention by SFBC and
FSTD is extended, and improves transmission diversity gain, and the transmission diversity for realizing multi-user data is sent.
Fig. 2 is that the multi-user of the embodiment of the present invention one happens suddenly the flow chart of discontinuous low rate traffic transmission method, such as Fig. 2
It is shown, multi-user of the embodiment of the present invention happen suddenly discontinuous low rate traffic transmission method the following steps are included:
Step 201, when determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, by multiple users'
The discontinuous low rate traffic data that happen suddenly are combined, for the discontinuous low rate traffic data distribution transmission of burst after combination
Block TB resource；
In the embodiment of the present invention, since the data that core network element such as base station etc. receives are relatively more, from from it is different
User, and in the embodiment of the present invention, within a dispatching cycle, the discontinuous low rate traffic number of burst of magnanimity can be received
According in these discontinuous low rate traffic data that happen suddenly, choosing has the burst of multiple users of orthogonality relation discontinuous low
Rate business data are arranged successively by user and group is combined into a data.
It step 202, is the data of a user by the discontinuous low rate traffic data virtual of burst after combination, using phase
Same modulation and encoding scheme (MCS, Modulation and Coding Scheme) is each TB resource allocation code word；
In the embodiment of the present invention, the discontinuous low rate traffic data of the burst of multiple users with orthogonality relation are pressed
User is arranged successively and group is combined into a data, i.e., is arranged successively the discontinuous low rate traffic data head and the tail of the burst of each user
And form a data.
Step 203, transmission diversity multiplexing process in airspace is carried out to the TB after distribution codeword, each TB is carried on data channel
On, and generate the corresponding control channel of the data channel；
In the embodiment of the present invention, the discontinuous low rate traffic data of the burst of multiple users with orthogonality relation are pressed one
After the data of a user carry out TB carrying, then airspace transmission diversity multiplexing process is carried out, i.e., these TB is subjected to SFBC and FSTD
Processing, to promote the efficiency of transmission and stability of data.It, will be to it will be appreciated by those skilled in the art that in the embodiment of the present invention
Transmission data carry out SFBC and FSTD processing be it is easy to accomplish, the embodiment of the present invention repeat no more its realize details.
It should be noted that since the present invention has carried out data before carrying out SFBC and FSTD processing to data to be transmitted
It is normalized to the processing of a user, needs that receiving end is notified to carry out in the control information to be virtually the correlation of a user data
Therefore processing needs to carry corresponding instruction information in control channel in the embodiment of the present invention.For example, control information should be held
It is loaded in PDCCH, all users can listen to this channel, when detecting the data for being sent to itself, according to corresponding
Control information interception data channel parse itself data.Control channel and data channel are all associations, will be related
It is easy to accomplish that control information and instruction information, which are carried in control channel resource,.
Step 204, in the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
Below by way of specific example, the essence for technical solution that the present invention is furture elucidated.
Fig. 3 is the embodiment of the present invention one using exemplary flow chart, as shown in figure 3, the non-connection of support downlink burst is low
The overall process flow of the physical channel airspace transmission diversity of rate business the following steps are included:
Step 301, according to the user logic channel type and qos parameter of signal deployment, it is non-that MAC layer judges whether it is burst
Continuous low rate traffic.If so, thening follow the steps 302；Otherwise, it is handled in a general manner.
Step 302, the discontinuous low rate traffic of the burst of multiple users is carried out multiplexed combinations by MAC layer, is enabled for prominent
The transmission mode for sending out low rate traffic discontinuous uses the transmission diversity mode of enhancing shown in Fig. 2 of the embodiment of the present invention
(ETM, Enhanced Transmit Diversity) happen suddenly the transmission of discontinuous low rate traffic.
Step 303, MAC layer carries out resource allocation；For each TB block in ETM, using identical MCS, unified resource
Distribution, is handled according to multiple code words of a virtual terminal.
Step 304, the good MAC TB block of resource allocation is input to physical channel airspace transmission diversity multiplexing process module
The interior PDCCH by ETM mode is sent to physical layer and carries out transmission processing.
Step 305, the PDCCH of ETM mode and PDSCH are sent to and is eated dishes without rice or wine.
Fig. 4 is that the multi-user of the embodiment of the present invention two happens suddenly the flow chart of discontinuous low rate traffic transmission method, such as Fig. 4
It is shown, multi-user of the embodiment of the present invention happen suddenly discontinuous low rate traffic transmission method the following steps are included:
Step 401, the total bit number for all TB that can be sent according to N number of user distributes PRB number unitedly；
The embodiment of the present invention is directed to that the physical antenna number in communication system is relatively more, and antenna port is also more
Situation.The discontinuous low rate traffic data of burst for the user received in setting period such as a dispatching cycle, by use
Family carries out TB distribution.
Step 402, diversity multiplexing process is carried out to the TB of each user respectively, to the TB block absolute coding of each user, is obtained
To N number of independent code word；
In the embodiment of the present invention, diversity multiplexing process is carried out by the TB of user, and encoded accordingly.
Step 403, N number of code word is scrambled using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user, is gone forward side by side
Row coding mapping；
In the embodiment of the present invention, star is carried out using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user to N number of code word
Seat graph code mapping；Wherein, the constellation graph code includes at least one below:
Quadrature phase shift keying (QPSK, Quadrature Phase Shift Keying), 16 phase quadrature amplitude modulations
(QAM, Quadrature Amplitude Modulation) 16QAM, 64QAM, 256QAM.
Step 404, it determines pre-coding matrix P, the data to be sent of N number of user is carried out respectively using pre-coding matrix P
Modulation；Wherein, P is M × (2 × k × N), and M is the antenna port number that communication system is supported, k × N is the layer that communication system is supported
Number, 2 × k × N are the signal number of layer, and k is the number of plies of each code word mapping.
In the embodiment of the present invention, need identified pre-coding matrix P being configured at transmitting terminal and receiving end；Alternatively,
Pre-coding matrix P is notified to receiving end by broadcast message or dedicated control channel from transmitting terminal.
Step 405, the data that the data virtual of modulated N number of user is a user are uniformly subjected to resource unit RE
Mapping；
In the embodiment of the present invention, before being mapped to RE, TB distribution is carried out by user, and compile to the TB of each user
These TB after having handled, are virtually the data of a user and are mapped to RE by code processing.
Step 406, the data being mapped on RE are transmitted in M antenna port.
It will be appreciated by those skilled in the art that by the data being mapped on RE be mapped in M antenna port carry out transmission be
Easy to accomplish, which is not described herein again, and it realizes details.
As extensive antenna array and Massive MIMO are in the extensive use of B4G and 5G, physical antenna number is obtained greatly
Scale increase, this be just the number of plies (at present LTE for transmission diversity the maximum number of plies be 4) and port (at present LTE for transmission divide
The maximum port number of collection is possibly realized for extensive promotion 4), provides support for the application of extensive diversity technique.
Fig. 5 is the embodiment of the present invention two using exemplary flow chart, as shown in figure 5, this exemplary process flow includes
Following steps:
1, when MAC layer carries out resource allocation, all TB total bit number mesh that this can send according to N number of user are unified
PRB number is distributed, in such a way that this total length by multiple small data packets distributes resource, reduces radio resource bandwidth
Resource fragmentation.
2, diversity multiplexing is carried out to the discontinuous low rate traffic data of the burst to be transmitted of N number of user, is each user's
Discontinuous low rate traffic data distribute at least one TB block.To the TB block absolute coding of each user, N number of individual code is obtained
Word.
3, to N number of code word, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, the Cell-Radio of each user are used respectively
Network Temporary Identifier) it is scrambled, then carry out planisphere mapping.
In the embodiment of the present invention, planisphere mapping mode includes at least one of following mapping mode:
Quadrature phase shift keying (QPSK, Quadrature Phase Shift Keying), 16 phase quadrature amplitude modulations
(QAM, Quadrature Amplitude Modulation) 16QAM, 64QAM, 256QAM
4, assume that the number of layers that communication system is supported is k × N layers, wherein the number of plies that k maps for each code word, such as 1,
2,4 etc..
5, pre-coding matrix P is defined, P is M × (2 × k × N)；M is the antenna port number that communication system is supported, 2 × k × N
The signal number of layer, each signal on k × N layer is divided into real and imaginary parts, therefore needs are multiplied by 2.By pre-coding matrix P,
SFBC the and FSTD diversity transmission of the signal of N number of user can be realized.Pre-coding matrix P can be configured in advance in receiving end
With transmitting terminal, in this way, pre-coding matrix P is known for receiving end and transmitting terminal；Such as it can be matched by signaling static state
It sets, it can also be by pre-coding matrix P dynamic be carried in PDCCH, by PDCCH dynamic dispatching.
6, signal modulated for N number of user uniformly carries out RE mapping.
7, by M antenna terminal mapping to physical antenna, in extensive antenna array, the mapping of port to physical antenna
Matrix is to be easy design, and which is not described herein again, and it realizes details.
Fig. 6 be the embodiment of the present invention three multi-user happen suddenly discontinuous low rate traffic transmitting device composed structure signal
Figure, as shown in fig. 6, the multi-user of the embodiment of the present invention happens suddenly discontinuous low rate traffic transmitting device include determination unit 60,
Assembled unit 61, the first allocation unit 62, the second allocation unit 63, airspace transmission diversity multiplexing process unit 64 and transmission unit
65, in which:
Determination unit 60, when for determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, triggering
Assembled unit 61；
Assembled unit 61, for combining the discontinuous low rate traffic data of the burst of multiple users；
First allocation unit 62, for distributing transmission block TB money for the discontinuous low rate traffic data of burst after combination
Source；
Second allocation unit 63, for being each TB resource allocation code word using identical modulation and encoding scheme MCS；
Airspace transmission diversity multiplexing process unit 64, for being carried out at the multiplexing of airspace transmission diversity to the TB after distribution codeword
Reason, each TB is carried on data channel, and generate the corresponding control channel of the data channel；
Transmission unit 65, in the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
In the embodiment of the present invention, the assembled unit 61 is also used to have the burst of multiple users of orthogonality relation non-
Continuous low rate traffic data are arranged successively by user and group is combined into a data.
In the embodiment of the present invention, the airspace transmission diversity multiplexing process unit 64 is also used to generate for user's decoding
The control information of the data channel is carried in channel together with current discontinuous low rate traffic data to be sent, and
It is respectively formed the control channel and the data channel.
The discontinuous low rate traffic transmitting device it will be appreciated by those skilled in the art that multi-user shown in Fig. 6 happens suddenly
In everywhere in manage the realization function of unit and can refer to the happen suddenly correlation of discontinuous low rate traffic transmission method of aforementioned multi-user and retouch
It states and understands.It will be appreciated by those skilled in the art that multi-user shown in fig. 6 happens suddenly in discontinuous low rate traffic transmitting device
The function of each processing unit can be realized and running on the program on processor, can also pass through specific logic circuit reality
It is existing.
Fig. 7 be the embodiment of the present invention four multi-user happen suddenly discontinuous low rate traffic transmitting device composed structure signal
Figure, as shown in fig. 7, the multi-user of the embodiment of the present invention happens suddenly discontinuous low rate traffic transmitting device include allocation unit 70,
Diversity multiplexing process unit 71, the first map unit 72, modulation unit 73, the second map unit 74 and transmission unit 75, in which:
The total bit number of allocation unit 70, all transmission block TB for that can send according to N number of user distributes physics unitedly
Resource block PRB number；
Diversity multiplexing process unit 71 carries out diversity multiplexing process for the TB to each user, to each user's respectively
TB block absolute coding obtains N number of independent code word；
First map unit 72, for N number of code word using each user Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI into
Row scrambling, and carry out coding mapping；
Modulation unit 73, for determining pre-coding matrix P, using pre-coding matrix P respectively to the number to be sent of N number of user
According to being modulated；Wherein, P is M × (2 × k × N), and M is the antenna port number that communication system is supported, k × N is communication system branch
The number of plies held, 2 × k × N are the signal number of layer, and k is the number of plies of each code word mapping；
Second map unit 74, for by data that the data virtual of modulated N number of user is user it is unified into
Row resource unit RE mapping；
Transmission unit 75, for transmitting the data being mapped on RE in M antenna port.
In the embodiment of the present invention, first map unit 72 is also used to wireless using the cell of each user to N number of code word
Network Temporary Identifier C-RNTI carries out planisphere coding mapping；
Wherein, the constellation graph code includes at least one below:
Quadrature phase shift keying QPSK, 16 phase quadrature amplitude modulation 16QAM, 64QAM, 256QAM.
In the embodiment of the present invention, described device further include:
Configuration unit (is not shown) in Fig. 7, for identified pre-coding matrix P to be configured at transmitting terminal and receiving end；
Alternatively,
Pre-coding matrix P is notified to receiving end by broadcast message or dedicated control channel from the transmission unit.
The discontinuous low rate traffic transmitting device it will be appreciated by those skilled in the art that multi-user shown in fig. 7 happens suddenly
In everywhere in manage the realization function of unit and can refer to the happen suddenly correlation of discontinuous low rate traffic transmission method of aforementioned multi-user and retouch
It states and understands.It will be appreciated by those skilled in the art that multi-user shown in Fig. 7 happens suddenly in discontinuous low rate traffic transmitting device
The function of each processing unit can be realized and running on the program on processor, can also pass through specific logic circuit reality
It is existing.
It, in the absence of conflict, can be in any combination between technical solution documented by the embodiment of the present invention.
In several embodiments provided by the present invention, it should be understood that disclosed method, apparatus and electronic equipment,
It may be implemented in other ways.Apparatus embodiments described above are merely indicative, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can
To combine, or it is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed
The mutual coupling of each component part or direct-coupling or communication connection can be through some interfaces, equipment or unit
Indirect coupling or communication connection can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit, it can and it is in one place, it may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated in one processing unit, it can also
To be each unit individually as a unit, can also be integrated in one unit with two or more units；It is above-mentioned
Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds application function unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned include: movable storage device, it is read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or
The various media that can store program code such as person's CD.
If alternatively, the above-mentioned integrated unit of the embodiment of the present invention is realized in the form of applied function module and as independence
Product when selling or using, also can store in a computer readable storage medium.Based on this understanding, this hair
The technical solution of bright embodiment substantially in other words the part that contributes to existing technology can in the form of application product body
Reveal and, which is stored in a storage medium, including some instructions are with so that a computer is set
Standby (can be personal computer, server or network equipment etc.) executes the whole of each embodiment the method for the present invention
Or part.And storage medium above-mentioned include: movable storage device, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
Scope of protection of the present invention is not limited thereto, those familiar with the art the invention discloses skill
It within the scope of art, can easily think of the change or the replacement, should be covered by the protection scope of the present invention.
Claims (12)
- The discontinuous low rate traffic transmission method 1. a kind of multi-user happens suddenly, which is characterized in that the described method includes:It is when determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, the burst of multiple users is discontinuous low Rate business data are combined, and distribute transmission block TB resource for the discontinuous low rate traffic data of burst after combination；It is each TB resource allocation code word using identical modulation and encoding scheme MCS；Physical channel airspace transmission diversity multiplexing process is carried out to the TB after distribution codeword, each TB is carried on data channel, And generate the corresponding control channel of the data channel；In the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
- 2. the method according to claim 1, wherein the discontinuous low rate traffic of the burst by multiple users Data are combined, comprising:The discontinuous low rate traffic data of the burst of multiple users with orthogonality relation are arranged successively by user and group is combined into One data.
- 3. the method according to claim 1, wherein described generate the corresponding control channel of the data channel, Include:The control information that the data channel is decoded for user is generated, with current discontinuous low rate traffic data to be sent It is carried in channel together, and is respectively formed the control channel and the data channel.
- The discontinuous low rate traffic transmission method 4. a kind of multi-user happens suddenly, which is characterized in that the described method includes:The total bit number for all transmission block TB that can be sent according to N number of user distributes Physical Resource Block PRB number unitedly；Diversity multiplexing process is carried out to the TB of each user respectively, to the TB block absolute coding of each user, obtains N number of individual code Word；N number of code word is scrambled using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user, and carries out coding mapping；It determines pre-coding matrix P, the data to be sent of N number of user is modulated respectively using pre-coding matrix P；Wherein, P is M × (2 × k × N), M are the antenna port number that communication system is supported, k × N is the number of plies that communication system is supported, 2 × k × N is layer Signal number, k be each code word mapping the number of plies；The data that the data virtual of modulated N number of user is a user are uniformly subjected to resource unit RE mapping；The data being mapped on RE are transmitted in M antenna port.
- 5. according to the method described in claim 4, it is characterized in that, being faced using the cell-radio network of each user N number of code word When mark C-RNTI carry out coding mapping, comprising:Planisphere coding mapping is carried out using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user to N number of code word；Wherein, the constellation graph code includes at least one below:Quadrature phase shift keying QPSK, 16 phase quadrature amplitude modulation 16QAM, 64QAM, 256QAM.
- 6. according to the method described in claim 4, it is characterized in that, after determining pre-coding matrix P, which comprisesIdentified pre-coding matrix P is configured at transmitting terminal and receiving end；Alternatively,Pre-coding matrix P is notified to receiving end by broadcast message or dedicated control channel from transmitting terminal.
- The discontinuous low rate traffic transmitting device 7. a kind of multi-user happens suddenly, which is characterized in that described device include determination unit, Assembled unit, the first allocation unit, the second allocation unit, airspace transmission diversity multiplexing process unit and transmission unit, in which:Determination unit, when for determining that current business to be transmitted is multi-user's discontinuous low rate traffic of burst, triggering combination is single Member；Assembled unit, for combining the discontinuous low rate traffic data of the burst of multiple users；First allocation unit, for distributing transmission block TB resource for the discontinuous low rate traffic data of burst after combination；Second allocation unit, for being each TB resource allocation code word using identical modulation and encoding scheme MCS；Airspace transmission diversity multiplexing process unit, for carrying out the multiplexing of physical channel airspace transmission diversity to the TB after distribution codeword Processing, each TB is carried on data channel, and generate the corresponding control channel of the data channel；Transmission unit, in the transmission for eating dishes without rice or wine to carry out the data channel and the control channel.
- 8. device according to claim 7, which is characterized in that the assembled unit is also used to have orthogonality relation The discontinuous low rate traffic data of the burst of multiple users are arranged successively by user and group is combined into a data.
- 9. device according to claim 7, which is characterized in that the airspace transmission diversity multiplexing process unit is also used to The control information that the data channel is decoded for user is generated, together with current discontinuous low rate traffic data to be sent It is carried in channel, and is respectively formed the control channel and the data channel.
- The discontinuous low rate traffic transmitting device 10. a kind of multi-user happens suddenly, which is characterized in that described device includes that distribution is single Member, diversity multiplexing process unit, the first map unit, modulation unit, the second map unit and transmission unit, in which:The total bit number of allocation unit, all transmission block TB for that can send according to N number of user distributes Physical Resource Block unitedly PRB number；Diversity multiplexing process unit carries out diversity multiplexing process for the TB to each user respectively, only to the TB block of each user Vertical coding, obtains N number of independent code word；First map unit, for being scrambled to N number of code word using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user, And carry out coding mapping；Modulation unit respectively carries out the data to be sent of N number of user using pre-coding matrix P for determining pre-coding matrix P Modulation；Wherein, P is M × (2 × k × N), and M is the antenna port number that communication system is supported, k × N is the layer that communication system is supported Number, 2 × k × N are the signal number of layer, and k is the number of plies of each code word mapping；Second map unit, for the data that the data virtual of modulated N number of user is a user uniformly to be carried out resource Unit R E mapping；Transmission unit, for transmitting the data being mapped on RE in M antenna port.
- 11. device according to claim 10, which is characterized in that first map unit is also used to make N number of code word Planisphere coding mapping is carried out with the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of each user；Wherein, the constellation graph code includes at least one below:Quadrature phase shift keying QPSK, 16 phase quadrature amplitude modulation 16QAM, 64QAM, 256QAM.
- 12. device according to claim 10, which is characterized in that described device further include:Configuration unit, for identified pre-coding matrix P to be configured at transmitting terminal and receiving end；Alternatively,Pre-coding matrix P is notified to receiving end by broadcast message or dedicated control channel from the transmission unit.
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| CN108702780A (en) * | 2016-03-31 | 2018-10-23 | 华为技术有限公司 | Interception data determines method, equipment and system |
| CN108322284B (en) * | 2017-01-16 | 2020-04-21 | 华为技术有限公司 | Coding block sending method, data receiving method, access network equipment and terminal equipment |
| EP3737175A4 (en) * | 2018-02-13 | 2020-12-30 | Huawei Technologies Co., Ltd. | Service transmission method and apparatus |
| CN110213791B (en) * | 2018-02-28 | 2022-07-01 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN109151937B (en) * | 2018-10-09 | 2021-04-06 | 中国电子科技集团公司第三十六研究所 | Transmission method for supporting multi-user uplink burst discontinuous low-rate service |
| CN109348485B (en) * | 2018-10-15 | 2022-10-04 | 中国电子科技集团公司第三十六研究所 | Multi-user uplink and downlink burst discontinuous low-rate service transmission method |
| CN111263405B (en) * | 2018-11-30 | 2022-11-22 | ***通信集团吉林有限公司 | Load balancing method and device for cell |
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