CN108696937A - A kind of connectionless transport method and base station suitable for uplink small data packet - Google Patents
A kind of connectionless transport method and base station suitable for uplink small data packet Download PDFInfo
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- CN108696937A CN108696937A CN201810361178.7A CN201810361178A CN108696937A CN 108696937 A CN108696937 A CN 108696937A CN 201810361178 A CN201810361178 A CN 201810361178A CN 108696937 A CN108696937 A CN 108696937A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000001174 ascending effect Effects 0.000 claims abstract description 42
- 230000004044 response Effects 0.000 claims abstract description 26
- 238000012163 sequencing technique Methods 0.000 claims description 14
- 230000008685 targeting Effects 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 abstract description 40
- 238000005516 engineering process Methods 0.000 description 10
- 239000013256 coordination polymer Substances 0.000 description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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Abstract
The present invention provides a kind of connectionless transport method suitable for uplink small data packet and base station, the method includes:Random access leader sequence is sent to base station, the random access leader sequence is used to indicate the interval of small data packets size to be sent;The random access response information that the base station is fed back according to the random access leader sequence to terminal is received, the random access response information includes the base station according to the ascending resource that the random access leader sequence is the terminal distribution;The small data packets to be sent are sent using the ascending resource.Connectionless transport method provided by the invention suitable for uplink small data packet, the interval of small data packets size to be sent is indicated by using random access leader sequence, make base station according to the ascending resource that random access leader sequence can be that terminal distribution is suitble to small data packets to be sent, without establishing RRC signaling connection, reduce signaling overheads, improves data transmission efficiency.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of connectionless transport methods suitable for uplink small data packet
And base station.
Background technology
Technology of Internet of things flourishes, and in intelligent meter data recording, environmental monitoring, smart home and industrial monitoring etc.
The extensive use in field obtains the close attention of academia and industrial quarters.Internet of things service has following feature:(1) such as terminal
Enormous amount, (2) function is simple, business sheet one, small data quantity (<100Bytes), (3) can tolerate lower transmission rate,
Time delay is insensitive, (4) do not have mobility or it is mobile there is regularity, (5) based on upstream data service, (6) low frequency
(>It is 5min) extensive periodically to report.Communication (Human to Human, H2H) business of internet of things service and person to person have
Significant difference.Therefore, third generation communication partner partnership (the 3rd Generation Partnership Project,
3GPP) in the R13 stages, narrowband Internet of Things (NarrowBand Internet of Thing, NB-IoT) technical research is started.
The characteristics of in order to more effectively adapt to Internet of Things transmitting small data packets, 3GPP groups are woven in NB-IoT technologies and introduce
Data plane (User Plane, UP) transmission mode and control plane (Control Plane, CP) transmission mode.UP is transmitted
Pattern is the data pattern of traditional forward compatibility.When NB-IoT terminals need send upstream data, initially set up signaling and wirelessly hold
It carries (Signaling Radio Bearer, SRB), then resettles Data Radio Bearer (Data Radio Bearer, DRB),
The data of NB-IoT terminals are transmitted to base station by DRB, then are forwarded to Core Network Service gateway (Serving Gate- by base station
Way, SGW).Fig. 1 is the UP transmission mode signaling interaction diagrams in NB-IoT technologies in the prior art, specific signaling process such as Fig. 1
It is shown.CP transmission modes are that NB-IoT systems are introduced for NB-IoT terminal uplink transmitting small data packets characteristics in the R13 stages
New transmission mode.When NB-IoT terminals need to send upstream data, can be transmitted after only need to establishing SRB.Specifically, NB-
The data of IoT terminals are transmitted by the carrying of Non-Access Stratum (Non Access Stratum, NAS) message, and with NAS message one
It rises and is transmitted to core network mobility management entity (Mobility Management Entity, MME), then core is forwarded to by MME
Heart net SGW.Fig. 2 is the CP transmission mode signaling interaction diagrams in NB-IoT technologies in the prior art, specific signaling process such as Fig. 2 institutes
Show.
UP transmission modes are suitble to big data packet transmission, are not suitable for the transmission of small data packets.CP transmission modes are suitble to small data
Packet transmission still under CP transmission modes in the prior art, sends uplink small data packet, needs five message of interaction, such as schemes
Shown in 2, include specifically:Request is established in random access response, RRC connections, and RRC connections are established, and RRC connections, which are established, to be completed, and
RRC Connection Releases.Wherein, request message about 10Byte, RRC connection foundation is established in random access response about 48Byte, RRC connection
Message about 20Byte, RRC connection, which is established, completes about 14Byte, RRC Connection Releases 12Byte.The data packet of one NB-IoT terminal
Average 33Byte.It can be seen that under CP transmission modes in the prior art, the efficiency of transmission of small data packets is still very low, only
Have 25% or so.Therefore, it is transmitted for the uplink small data packet of NB-IoT terminals, efficiency of transmission, which still needs, to be further increased,
Signaling overheads needs further decrease.
Invention content
The object of the present invention is to provide a kind of connectionless transport method suitable for uplink small data packet and base stations, solve
In the prior art, when uplink small data packet transmits, the technical issues of signaling overheads is big, and transmission efficiency is low.
In order to solve the above-mentioned technical problem, on the one hand, the present invention provides a kind of suitable for the connectionless of uplink small data packet
Transmission method, including:
The random access leader sequence that terminal is sent is obtained, the random access leader sequence is used to indicate decimal to be sent
According to the interval of packet size;
Random access response information is fed back to the terminal according to the random access leader sequence, the random access is rung
It includes according to the ascending resource that the random access leader sequence is the terminal distribution, so that the terminal uses institute to answer information
It states ascending resource and sends the small data packets to be sent.
On the other hand, the present invention provides a kind of base station, including:
Acquisition module, the random access leader sequence for obtaining terminal transmission, the random access leader sequence are used for
Indicate the interval of small data packets size to be sent;
Sending module, for feeding back random access response information to the terminal according to the random access leader sequence,
The random access response information includes the ascending resource for the terminal distribution according to the random access leader sequence, for
The terminal sends the small data packets to be sent using the ascending resource.
In another aspect, the present invention provides a kind of electronic equipment of the connectionless transport for uplink small data packet, including:
Memory and processor, the processor and the memory complete mutual communication by bus;It is described to deposit
Reservoir is stored with the program instruction that can be executed by the processor, and it is above-mentioned that the processor calls described program instruction to be able to carry out
Method.
Another aspect, the present invention provide a kind of computer readable storage medium, are stored thereon with computer program, the meter
Calculation machine program realizes above-mentioned method when being executed by processor.
Connectionless transport method and base station provided by the invention suitable for uplink small data packet, by using random access
Targeting sequencing indicates the interval of small data packets size to be sent, and base station is made according to random access leader sequence can be terminal
Distribution is suitble to the ascending resource of small data packets to be sent, without establishing RRC signaling connection, reduces signaling overheads, improves number
According to efficiency of transmission.
Description of the drawings
Fig. 1 is the UP transmission mode signaling interaction diagrams in NB-IoT technologies in the prior art;
Fig. 2 is the CP transmission mode signaling interaction diagrams in NB-IoT technologies in the prior art;
Fig. 3 is the connectionless transport method schematic diagram suitable for uplink small data packet according to the embodiment of the present invention;
Fig. 4 is the Signalling exchange according to the connectionless transport method suitable for uplink small data packet of the embodiment of the present invention
Figure;
Fig. 5 is the schematic diagram according to the base station of the embodiment of the present invention;
Fig. 6 is that the structure of the electronic equipment of the connectionless transport provided in an embodiment of the present invention for uplink small data packet is shown
It is intended to.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 3 is the connectionless transport method schematic diagram suitable for uplink small data packet according to the embodiment of the present invention, such as Fig. 3
Shown, the embodiment of the present invention provides a kind of connectionless transport method suitable for uplink small data packet, including:
Step S301, the random access leader sequence that terminal is sent is obtained, the random access leader sequence is used to indicate
The interval of small data packets size to be sent;
Step S302, random access response information is fed back to the terminal according to the random access leader sequence, it is described
Random access response information includes according to the ascending resource that the random access leader sequence is the terminal distribution, for described
Terminal sends the small data packets to be sent using the ascending resource.
Specifically, the connectionless transport method provided in an embodiment of the present invention suitable for uplink small data packet, executes master
Body, preferably base station.
When NB-IoT terminals generate a uplink small data packet to be sent, need to carry out uplink, NB-IoT terminals
Random access leader sequence is sent to base station, random access leader sequence is used to indicate the value area of small data packets size to be sent
Between.Terminal by narrowband physics uplink random channel (Narrowband Physical Random Access CHannel,
NPRACH random access leader sequence) is sent.After sending random access leader sequence, start random access response immediately
(Random Access Respond, RAR) information receives timer.
It after base station receives random access leader sequence, is parsed, it is big to obtain NB-IoT terminals small data packets to be sent
Small interval, and be the ascending resource that terminal distribution is suitble to small data packets to be sent according to the interval.Base station is to end
End feedback random access response information, random access response information include the ascending resource.Base station passes through narrowband downlink physical number
It is believed that road (Narrowband Physical Downlink Shared Channel, NPDSCH) feeds back RAR to NB-IoT terminals
Information.And the NB- is distributed in ascending resource mandate field instruction of the base station in the RAR information for feeding back to NB-IoT terminals
The ascending resource of IoT terminals.
NB-IoT terminals monitor RAR information on NPDSCH channels.If before RAR information received timer ends, NB-
IoT terminals listen to RAR information on NPDSCH channels, then random access success, NB-IoT terminals receive base station feedback with
Machine accesses response message, and parses the ascending resource of base station distribution, and uses the ascending resource, in ascending physical signal data channel
It is waited for described in being sent on (Narrowband Physical Uplink Shared CHannel, NPUSCH) corresponding channel resource
Send small data packets.
If before RAR information receives timer ends, NB-IoT terminals do not listen to RAR letters on NPDSCH channels
It ceases, then random access failure.
Connectionless transport method provided by the invention suitable for uplink small data packet, by using random access guiding sequence
Row indicate the interval of small data packets size to be sent, make base station can be suitable for terminal distribution according to random access leader sequence
The ascending resource for closing small data packets to be sent reduces signaling overheads, improves data transmission without establishing RRC signaling connection
Efficiency.
On the basis of the above embodiments, further, further include:
It is user identifier described in the terminal distribution when the terminal initiates random access for the first time.
Specifically, first, base station is that all NB-IoT terminals in this cell allocate fixed user identifier in advance.When every
When a NB-IoT terminals first power on attachment, user identifier is distributed into each NB-IoT terminals.User identifier is for indicating NB-
The identity information of IoT terminals distinguishes different NB-IoT terminals according to user identifier.
Connectionless transport method provided by the invention suitable for uplink small data packet, by using random access guiding sequence
Row indicate the interval of small data packets size to be sent, make base station can be suitable for terminal distribution according to random access leader sequence
The ascending resource for closing small data packets to be sent reduces signaling overheads, improves data transmission without establishing RRC signaling connection
Efficiency.
On the basis of the above various embodiments, further, the random access leader sequence is by the terminal according to institute
It states interval to select to obtain from presetting database, pair of interval and targeting sequencing is stored in the presetting database
It should be related to.
Specifically, when NB-IoT terminals generate a uplink small data packet to be sent, when needing to carry out uplink, first
Corresponding random access leader sequence is selected from presetting database according to the size of small data packets to be sent.
The random access leader sequence of NB-IoT technologies takes random access set of symbols (the i.e. sequence of list carrier jumping frequency
Code) mode, also, all NB-IoT terminals in same cell share the same random access sequence code.Therefore, base station area
The not most important mark of the selected random access leader sequence of difference NB-IoT terminals is not composition targeting sequencing sheet in time domain
The sequence code of body, but the position of the subcarrier of the targeting sequencing is carried on frequency domain.Since the system bandwidth of NB-IoT systems is
180KHz, narrowband physics uplink random channel (Narrowband Physical Random Access CHannel, NPRACH)
Subcarrier spacing be 3.75KHz, therefore, a total of 48 subcarriers of NPRACH channels.Furtherly, NB-IoT systems are total
Share 48 random access leader sequences.This 48 random access leader sequences are divided into N number of group by base station, and N is positive integer, N
Less than or equal to 48.
The uplink small data packet of one NB-IoT terminal is averaged 33Byte, and maximum is no more than 100Byte.It therefore, can be pre-
The interval amount for estimating the uplink small data packet of a NB-IoT terminal is 0-100Byte.It is N by 0-100Byte uniform quantizations
A interval.
Table 1 is the mapping table of targeting sequencing grouping serial number and small data packets size interval to be sent, as shown in table 1,
Targeting sequencing grouping serial number and small data packets size interval to be sent are one-to-one relationship, before random access each in this way
It leads sequence just and small data packets size interval to be sent establishes corresponding correspondence.
Table 1 is the mapping table of targeting sequencing grouping serial number and small data packets size interval to be sent
| Targeting sequencing grouping serial number | Small data packets size interval (Byte) to be sent |
| 1 | [1,100/N) |
| 2 | [100/N+1,2*100/N) |
| … | … |
| N | [(N-1) * 100/N+1,100] |
It can be with when the number N of random access leader sequence grouping is less than 48, in the grouping of random access leader sequence
Including multiple random access leader sequences, before a small data packets size interval to be sent corresponds to multiple random access at this time
Sequence is led, it is more to be sent small when NB-IoT terminals generate a uplink small data packet to be sent, need to carry out uplink
Data package size, which is fallen, to be determined to carry out random access using the random access leader sequence of n-th group in n-th of interval.Terminal
A corresponding random access is randomly choosed from presetting database according to the interval of small data packets size to be sent
Targeting sequencing is sent to base station.
When the number N of random access leader sequence grouping is equal to 48, in a random access leader sequence grouping only
One random access leader sequence, at this time a small data packets size interval to be sent correspond to a random access guiding sequence
Row, when NB-IoT terminals generate a uplink small data packet to be sent, need to carry out uplink, small data more to be sent
Packet size, which is fallen, to be determined to carry out random access using the random access leader sequence of n-th group in n-th of interval.According to pending
It send the interval of small data packets size to select that corresponding random access leader sequence from presetting database, sends
To base station.
Connectionless transport method provided by the invention suitable for uplink small data packet, by using random access guiding sequence
Row indicate the interval of small data packets size to be sent, make base station can be suitable for terminal distribution according to random access leader sequence
The ascending resource for closing small data packets to be sent reduces signaling overheads, improves data transmission without establishing RRC signaling connection
Efficiency.
On the basis of the above various embodiments, further, the interval that is stored in the presetting database and leading
The correspondence of sequence is one-to-many relationship.
Specifically, when the number N of random access leader sequence grouping is less than 48, in a random access leader sequence grouping
Can include multiple random access leader sequences, a small data packets size interval to be sent corresponds at this time multiple connects at random
Enter targeting sequencing, it is more pending when NB-IoT terminals generate a uplink small data packet to be sent, need to carry out uplink
It send small data packets size to fall to determine to carry out random access using the random access leader sequence of n-th group in n-th of interval.
Terminal according to the interval of small data packets size to be sent randomly choosed from presetting database one it is corresponding random
Access lead sequence, is sent to base station.
Connectionless transport method provided by the invention suitable for uplink small data packet, by using random access guiding sequence
Row indicate the interval of small data packets size to be sent, make base station can be suitable for terminal distribution according to random access leader sequence
The ascending resource for closing small data packets to be sent reduces signaling overheads, improves data transmission without establishing RRC signaling connection
Efficiency.And the correspondence of the interval and targeting sequencing that are stored in presetting database is one-to-many relationship, is reduced
Different NB-IoT terminals use the probability of identical random access leader sequence, thereby reduce the probability clashed.
On the basis of the above various embodiments, further, the user identifier is cell-level user identifier.
Specifically, NB-IoT terminal quantities are huge, how particularly significant, this hair is managed to the identity of NB-IoT terminals
In bright embodiment, user identifier is cell-level user identifier.
The cell-level user identifier only needs two bytes, can be identified for that (216- 1) a NB-IoT equipment is fully able to full
The demand of foot list 50000 NB-IoT equipment of cell.And save byte.
Connectionless transport method provided by the invention suitable for uplink small data packet, by using random access guiding sequence
Row indicate the interval of small data packets size to be sent, make base station can be suitable for terminal distribution according to random access leader sequence
The ascending resource for closing small data packets to be sent reduces signaling overheads, improves data transmission without establishing RRC signaling connection
Efficiency.And using the user identifier of cell-level, byte is saved, data transmission efficiency is further improved.
It is further, described described to be sent small using the ascending resource transmission on the basis of the above various embodiments
Data packet, specially:
The small data packets to be sent and the user identifier are packaged into media access control layer data packet;
The media access control layer data packet is sent using the ascending resource.
Specifically, after NB-IoT terminals receive the random access response information of base station feedback, base station distribution is parsed
Ascending resource, and the ascending resource is used, small data packets to be sent and user identifier are packaged into media access control layer
(Media Access Control, MAC) data packet, the media access control is sent on the corresponding channel resources of NPUSCH
Layer data packet.
The cell-level user identifier pre-allocated in the MAC data packet can play the work of random access competition Conflict solving
With.Even if multiple NB-IoT terminals select identical random access leader sequence, also, these when initiating random access request
NB-IoT terminals think that the uplink channel resources distributed in the RAR information of base station feedback are to oneself, on identical
Oneself MAC data packet is sent in row resource.Due to carrying the pre-assigned cell-level user identifier in base station in MAC data packet,
Base station remains able to distinguish which NB-IoT terminal the MAC data packet for demodulating and comes from, and base station can receive letter
It makes an uproar than the MAC data packet of high terminal, will be demodulated out small data packets to be sent, and the MAC data of the low terminal of signal-to-noise ratio
Packet will be taken as noise, not be demodulated.So as to be effectively prevented from conflict.
Connectionless transport method provided by the invention suitable for uplink small data packet, by using random access guiding sequence
Row indicate the interval of small data packets size to be sent, make base station can be suitable for terminal distribution according to random access leader sequence
The ascending resource for closing small data packets to be sent reduces signaling overheads, improves data transmission without establishing RRC signaling connection
Efficiency.And when terminal sends small data packets to be sent to base station, pre-assigned user identifier is carried, can effectively be kept away
Exempt to conflict.
On the basis of the above various embodiments, further, the method further includes:
The media access control layer data packet is received, and is parsed from the media access control layer data packet described
User identifier and the small data packets to be sent;
The small data packets to be sent parsed are sent to core net.
Specifically, Fig. 4 is the letter according to the connectionless transport method suitable for uplink small data packet of the embodiment of the present invention
Interaction figure is enabled, as shown in figure 4, the first step, NB-IoT terminals send random access leader sequence to base station;Second step, base station to
Terminal feeds back random access response information;Third walks, and NB-IoT terminals are by small data packets to be sent and pre-assigned user
Mark is packaged into MAC data packet, and the MAC data packet is sent to base station;4th step, base station send to be sent small to core net SGW
Data packet, i.e. base station receive media access control layer data packet, and user's mark is parsed from media access control layer data packet
Then small data packets to be sent are sent to SGW by knowledge and small data packets to be sent;5th step, base station is on NPDSCH channels
It replys NB-IoT terminal mac layer and confirms data packet.MAC layer confirms that data packet includes that the pre-assigned 2Byte cell-levels in base station are used
Family identifies and the confirmation message of 1bit.
The embodiment of the present invention proposes a kind of connectionless transport method for NB-IoT terminal uplink small data packets, without building
Vertical RRC signaling connection can transmit upstream data.Under connectionless transmission, NB-IoT terminals send uplink small data packet,
Only need 2 message of interaction (random access response, MAC layer confirm data packet).Wherein, random access response about 48Byte, MAC
Layer confirms data packet about 2Byte.Thus under connectionless transmission, the efficiency of transmission of small data packets is about 40%.Than existing skill
The efficiency of transmission of CP transmission modes in art improves 15%.
Fig. 5 is according to the schematic diagram of the base station of the embodiment of the present invention, as shown in figure 5, the embodiment of the present invention provides a kind of base
It stands, including acquisition module 501 and sending module 502, wherein before acquisition module 501 is used to obtain the random access of terminal transmission
Sequence is led, the random access leader sequence is used to indicate the interval of small data packets size to be sent;
Sending module 502 is used to be believed to terminal feedback random access response according to the random access leader sequence
Breath, the random access response information include the ascending resource for the terminal distribution according to the random access leader sequence,
So that the terminal sends the small data packets to be sent using the ascending resource.
A kind of base station provided in an embodiment of the present invention, for completing the method described in above-described embodiment, by this implementation
The specific steps that the method described in above-described embodiment is completed in the base station that example provides are same as the previously described embodiments, no longer superfluous herein
It states.
A kind of base station provided in an embodiment of the present invention indicates small data packets to be sent by using random access leader sequence
The interval of size makes base station that can be suitble to the upper of small data packets to be sent for terminal distribution according to random access leader sequence
Row resource reduces signaling overheads, improves data transmission efficiency without establishing RRC signaling connection.
On the basis of the above embodiments, further, the base station further includes:
Distribution module, for when the terminal initiates random access for the first time, being user identifier described in the terminal distribution.
A kind of base station provided in an embodiment of the present invention, for completing the method described in above-described embodiment, by this implementation
The specific steps that the method described in above-described embodiment is completed in the base station that example provides are same as the previously described embodiments, no longer superfluous herein
It states.
A kind of base station provided in an embodiment of the present invention indicates small data packets to be sent by using random access leader sequence
The interval of size makes base station that can be suitble to the upper of small data packets to be sent for terminal distribution according to random access leader sequence
Row resource reduces signaling overheads, improves data transmission efficiency without establishing RRC signaling connection.
On the basis of the above various embodiments, further, the random access leader sequence is by the terminal according to institute
It states interval to select to obtain from presetting database, pair of interval and targeting sequencing is stored in the presetting database
It should be related to.
A kind of base station provided in an embodiment of the present invention, for completing the method described in above-described embodiment, by this implementation
The specific steps that the method described in above-described embodiment is completed in the base station that example provides are same as the previously described embodiments, no longer superfluous herein
It states.
A kind of base station provided in an embodiment of the present invention indicates small data packets to be sent by using random access leader sequence
The interval of size makes base station that can be suitble to the upper of small data packets to be sent for terminal distribution according to random access leader sequence
Row resource reduces signaling overheads, improves data transmission efficiency without establishing RRC signaling connection.
On the basis of the above various embodiments, further, the interval that is stored in the presetting database and leading
The correspondence of sequence is one-to-many relationship.
A kind of base station provided in an embodiment of the present invention, for completing the method described in above-described embodiment, by this implementation
The specific steps that the method described in above-described embodiment is completed in the base station that example provides are same as the previously described embodiments, no longer superfluous herein
It states.
A kind of base station provided in an embodiment of the present invention indicates small data packets to be sent by using random access leader sequence
The interval of size makes base station that can be suitble to the upper of small data packets to be sent for terminal distribution according to random access leader sequence
Row resource reduces signaling overheads, improves data transmission efficiency without establishing RRC signaling connection.And in presetting database
The interval of storage and the correspondence of targeting sequencing are one-to-many relationship, reduce different NB-IoT terminals and use phase
The probability of same random access leader sequence, thereby reduces the probability clashed.
On the basis of the above various embodiments, further, the user identifier is cell-level user identifier.
A kind of base station provided in an embodiment of the present invention, for completing the method described in above-described embodiment, by this implementation
The specific steps that the method described in above-described embodiment is completed in the base station that example provides are same as the previously described embodiments, no longer superfluous herein
It states.
A kind of base station provided in an embodiment of the present invention indicates small data packets to be sent by using random access leader sequence
The interval of size makes base station that can be suitble to the upper of small data packets to be sent for terminal distribution according to random access leader sequence
Row resource reduces signaling overheads, improves data transmission efficiency without establishing RRC signaling connection.And use cell-level
User identifier saves byte, further improves data transmission efficiency.
It is further, described described to be sent small using the ascending resource transmission on the basis of the above various embodiments
Data packet, specially:
The small data packets to be sent and the user identifier are packaged into media access control layer data packet;
The media access control layer data packet is sent using the ascending resource.
A kind of base station provided in an embodiment of the present invention, for completing the method described in above-described embodiment, by this implementation
The specific steps that the method described in above-described embodiment is completed in the base station that example provides are same as the previously described embodiments, no longer superfluous herein
It states.
A kind of base station provided in an embodiment of the present invention indicates small data packets to be sent by using random access leader sequence
The interval of size makes base station that can be suitble to the upper of small data packets to be sent for terminal distribution according to random access leader sequence
Row resource reduces signaling overheads, improves data transmission efficiency without establishing RRC signaling connection.And in terminal to base station
When sending small data packets to be sent, pre-assigned user identifier is carried, conflict can be effectively prevented from.
Fig. 6 is that the structure of the electronic equipment of the connectionless transport provided in an embodiment of the present invention for uplink small data packet is shown
It is intended to, as shown in fig. 6, the equipment includes:Processor 601, memory 602 and bus 603;
Wherein, processor 601 and memory 602 complete mutual communication by the bus 603;
Processor 601 is used to call program instruction in memory 602, is provided with to execute above-mentioned each method embodiment
Method, such as including:The random access leader sequence that terminal is sent is obtained, the random access leader sequence is used to indicate pending
Send the interval of small data packets size;
Random access response information is fed back to the terminal according to the random access leader sequence, the random access is rung
It includes according to the ascending resource that the random access leader sequence is the terminal distribution, so that the terminal uses institute to answer information
It states ascending resource and sends the small data packets to be sent.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product is non-transient including being stored in
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer executes, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including:Terminal is obtained to send
Random access leader sequence, the random access leader sequence is used to indicate the interval of small data packets size to be sent;
Random access response information is fed back to the terminal according to the random access leader sequence, the random access is rung
It includes according to the ascending resource that the random access leader sequence is the terminal distribution, so that the terminal uses institute to answer information
It states ascending resource and sends the small data packets to be sent.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage
Medium storing computer instructs, and the computer instruction makes the computer execute the side that above-mentioned each method embodiment is provided
Method, such as including:The random access leader sequence that terminal is sent is obtained, the random access leader sequence is used to indicate to be sent
The interval of small data packets size;
Random access response information is fed back to the terminal according to the random access leader sequence, the random access is rung
It includes according to the ascending resource that the random access leader sequence is the terminal distribution, so that the terminal uses institute to answer information
It states ascending resource and sends the small data packets to be sent.
One of ordinary skill in the art will appreciate that:Realize that all or part of step 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 read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed;And storage medium above-mentioned includes:ROM, RAM, magnetic disc or light
The various media that can store program code such as disk.
The embodiments such as device and equipment described above are only schematical, wherein described be used as separating component explanation
Unit may or may not be physically separated, the component shown as unit may or may not be
Physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to the actual needs
Some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying
In the case of performing creative labour, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features;
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of connectionless transport method suitable for uplink small data packet, which is characterized in that including:
The random access leader sequence that terminal is sent is obtained, the random access leader sequence is used to indicate small data packets to be sent
The interval of size;
According to the random access leader sequence random access response information, the random access response letter are fed back to the terminal
Breath includes the ascending resource according to the random access leader sequence for the terminal distribution, so that the terminal uses on described
Row resource sends the small data packets to be sent.
2. according to the method described in claim 1, it is characterized in that, further including:
It is user identifier described in the terminal distribution when the terminal initiates random access for the first time.
3. according to the method described in claim 1, it is characterized in that, the random access leader sequence by the terminal according to institute
It states interval to select to obtain from presetting database, pair of interval and targeting sequencing is stored in the presetting database
It should be related to.
4. according to the method described in claim 3, it is characterized in that, the correspondence is one-to-many relationship.
5. according to the method described in claim 1, it is characterized in that, the user identifier is cell-level user identifier.
6. according to the method described in claim 1, it is characterized in that, described described to be sent small using ascending resource transmission
Data packet, specially:
The small data packets to be sent and the user identifier are packaged into media access control layer data packet;
The media access control layer data packet is sent using the ascending resource.
7. according to the method described in claim 6, it is characterized in that, further including:
The media access control layer data packet is received, and the user is parsed from the media access control layer data packet
Mark and the small data packets to be sent;
The small data packets to be sent parsed are sent to core net.
8. a kind of base station, which is characterized in that including:
Acquisition module, the random access leader sequence for obtaining terminal transmission, the random access leader sequence are used to indicate
The interval of small data packets size to be sent;
Sending module, it is described for feeding back random access response information to the terminal according to the random access leader sequence
Random access response information includes according to the ascending resource that the random access leader sequence is the terminal distribution, for described
Terminal sends the small data packets to be sent using the ascending resource.
9. a kind of electronic equipment of connectionless transport for uplink small data packet, which is characterized in that including:
Memory and processor, the processor and the memory complete mutual communication by bus;The memory
It is stored with the program instruction that can be executed by the processor, the processor calls described program instruction to be able to carry out right such as and wants
Seek 1 to 7 any method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The method as described in claim 1 to 7 is any is realized when being executed by processor.
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| CN108696937B (en) | 2021-02-19 |
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