CN105992388A - Downlink data access and transmission method and apparatus - Google Patents
Downlink data access and transmission method and apparatus Download PDFInfo
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- CN105992388A CN105992388A CN201510060715.0A CN201510060715A CN105992388A CN 105992388 A CN105992388 A CN 105992388A CN 201510060715 A CN201510060715 A CN 201510060715A CN 105992388 A CN105992388 A CN 105992388A
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- downlink
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- downlink data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides a downlink data access and transmission method and apparatus, being applied to the communication field. The downlink data access and transmission method comprises the steps: after establishing an uplink with terminal equipment, pre-establishing a downlink with the terminal equipment; and when a downlink data access and transmission command issued from a core network is received, performing downlink data access and transmission through the downlink. Compared with the prior art, for the downlink data access and transmission method, as the downlink is pre-established before the core network issues the downlink data access and transmission command, the established downlink can be directly used to perform downlink data access and transmission when the downlink data access and transmission command is received, and establishment of the downlink is no longer performed after the core network issues the downlink data access and transmission command. Therefore, the time of the series of flows, such as resource distribution, designation and negotiation is saved, so that the time for downlink data access and transmission is saved; unnecessary delay is avoided; the network performance is improved; and then the user experience degree is improved.
Description
Technical field
The present invention relates to the communications field, access particularly to a kind of downlink data and the method and apparatus of transmission.
Background technology
GPRS/EGPRS is as at original global system for mobile communications (Gloabal System for
Mobilecommunication, referred to as GSM) on the basis of, develop by introducing packet switch functional entity
Come, to support a kind of mobile pocket data business using packet mode to carry out data transmission.Along with user
Swift and violent growth to the demand of mobile interchange, while it provides traffic service with maximum capacity, to network
Time delays etc. it is also proposed requirements at the higher level.
Specifying according to GPRS/EGPRS wireless access technology agreement, mobile subscriber terminal equipment is actively initiated at it
Packet Service access wireless network process can be divided into one phase access (access of packet uplink one step)
With two phase access (access of packet uplink two step).From agreement describe access procedure it can be seen that
After up-link is set up, if now wireless network receive the downlink data that core net issues access and
During transmission instruction, user terminal and network side just proceed by the foundation of downlink, and this is for quick to postponing
For the application in real time of sense, increase downlink data and access and the time delay of transmission, have a strong impact on Consumer's Experience and net
Network performance.
Summary of the invention
The main technical problem to be solved in the present invention be to provide a kind of downlink data access and transmission method and
Device, solves the existing downlink data owing to receiving core net and accesses and carry out downlink after transmission instruction
Set up the problem causing postponing.
For solving the problems referred to above, the present invention provides a kind of downlink data to access and the method for transmission, including:
After setting up up-link with terminal unit, pre-build and the downlink of described terminal unit；
When receiving downlink data access and the transmission instruction that core network issues, entered by described downlink
Row downlink data accesses and transmission.
In an embodiment of the present invention, described in pre-build that the downlink with described terminal unit includes:
Directly set up the downlink with described terminal unit；
Or
Judge that active user's number accesses number and maximum and whether can be accessed by number of users ratio less than presetting ratio, in this way,
Then set up the downlink with described terminal unit；
Or
Whether the signaling information judging current transmission is specific signaling information, in this way, then sets up and described terminal
The downlink of equipment.
In an embodiment of the present invention, described foundation includes with the downlink of described terminal unit: distribution
Downlink radio resource；Descending wireless by distribute by packet time slot reconfiguration message or grouping downlink assignment information
Resource results is sent to described terminal unit.
In an embodiment of the present invention, pre-build with the downlink of described terminal unit after, also
Including:
Judge in Preset Time, whether to receive the downlink data instruction that core net issues, if do not had, then remove
Described downlink.
In an embodiment of the present invention, when receiving downlink data access and the transmission instruction that core network issues,
Downlink not in the presence of；Also include setting up the downlink with described terminal unit, by described descending chain
Road carries out downlink data access and transmission.
For solving the problems referred to above, the present invention also provides for a kind of downlink data and accesses and the device of transmission, including building
Formwork erection block and transport module:
Described module of setting up, for after setting up up-link with terminal unit, pre-builds and sets with described terminal
Standby downlink；
Described transport module is for when receiving downlink data access and the transmission instruction that core network issues, logical
Cross described downlink and carry out downlink data access and transmission.
In an embodiment of the present invention, described module of setting up is additionally operable to:
Directly set up the downlink with described terminal unit；
Or
Judge that active user's number accesses number and maximum and whether can be accessed by number of users ratio less than presetting ratio, in this way,
Then set up the downlink with described terminal unit；
Or
Whether the signaling information judging current transmission is specific signaling information, in this way, then sets up and described terminal
The downlink of equipment.
In an embodiment of the present invention, described module of setting up is additionally operable to: allocation of downlink Radio Resource；Pass through
The downlink radio resource result of distribution is sent to described by packet time slot reconfiguration message or grouping downlink assignment information
Terminal unit.
In an embodiment of the present invention, also including removing module, described dismounting module is for pre-building
After the downlink of described terminal unit, it is judged that whether receive under core net issues in Preset Time
Row data indicate, if do not had, then remove described downlink.
In an embodiment of the present invention, described set up module be additionally operable to when receive core network issue descending
Data access and transmission instruction, downlink not in the presence of；Set up the downlink with described terminal unit,
Downlink data access and transmission is carried out by described downlink.
The invention has the beneficial effects as follows:
The present invention provides a kind of downlink data to access and the method and apparatus of transmission, the application first with terminal
After equipment sets up up-link, pre-build and the downlink of described terminal unit, then when receiving core
Downlink data that network issues accesses and during transmission instruction, by this downlink carry out downlink data access and
Transmission.Compared with prior art, issue downlink data in core net to access and before transmission instruction, build the most in advance
Get well downlink, when receiving the instruction of downlink data transmission, it is possible to directly use and have built up down
Line link carry out downlink data access and transmission rather than by the time core net issue downlink data access and transmission
Just carry out the foundation of downlink after instruction, so, save resource distribution, assign and the series stream such as negotiation
The journey time, access for downlink data and transmission saves the time, it is to avoid unnecessary delay, improve network
Performance, and then strengthen user experience.
Accompanying drawing explanation
Fig. 1 accesses and the method flow schematic diagram of transmission for the downlink data that the embodiment of the present invention one provides；
Fig. 2 accesses and the method flow schematic diagram of transmission for a kind of downlink data that the embodiment of the present invention two provides；
Fig. 3 accesses for the another kind of downlink data that the embodiment of the present invention two provides and the method flow signal of transmission
Figure；
The first structure of the device that the downlink data that Fig. 4 provides for the embodiment of the present invention three accesses and transmits is shown
It is intended to；
The second structure of the device that the downlink data that Fig. 5 provides for the embodiment of the present invention three accesses and transmits is shown
It is intended to.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
It is described in further detail.
Embodiment one
The method controlling the surf time of the present embodiment, as it is shown in figure 1, comprise the following steps:
Step S101: after setting up up-link with terminal unit, can pre-build with terminal unit is descending
Link；
In this step, after network side and terminal unit set up up-link, it is understood that foundation here
Up-link includes that the up-link that packet uplink one step accesses is set up and/or that packet uplink two step accesses is upper
Line link is set up.No matter which kind of up-link set up mode, after establishing up-link, so that it may in advance
Set up the downlink of this terminal unit.
Step S102: when receiving the downlink data instruction that core network issues, carried out by this downlink
Downlink data accesses and transmission.
In this step, when network side receives the downlink data instruction that core net issues, under i.e. carrying out
When row data access and transmission, owing to having pre-build downlink in step S101, then the most permissible
Directly use the first downlink established to carry out downlink data access and transmission, so can quickly by
Downlink data accesses and is transferred to user, and receives downlink data and be just transmitted downlink data in time, energy
Enough avoid existing accessing and after transmission instruction, just carrying out descending chain receiving the downlink data that core net issues
Road is set up, it is necessary to wait until that downlink just can carry out downlink data access and transmission after establishing, it is impossible in time
Problem downlink data accessed and be transferred to terminal unit.
Preferably, in above-mentioned steps S101, can pre-build the most permissible with the downlink of terminal unit
For, after up-link establishes, just carry out the foundation of downlink immediately.Limited due to Radio Resource,
And the most necessarily have downlink data after not being by transmitting uplink data to access and transmission, in order to avoid in advance
Set up downlink to take Internet resources and cause network performance poor, can be first to existing Internet usage feelings
Condition is added up, and carries out the foundation of downlink when Internet usage situation is more idle when, if
The situation that Internet usage is relatively more, does not just carry out the foundation of downlink.Specifically can be by currently connecing
Access customer number carries out current network resources and uses judgement, and as judged, active user's number accesses number and can connect with maximum
Access customer number ratio, whether less than presetting ratio, in this way, then sets up the downlink with terminal unit.Preferably
Default ratio here be 1/2nd, the default ratio certainly having can be carried out according to specific circumstances
Concrete setting.Concrete it is also possible that judge whether the signaling information of current transmission is specific signaling information, as
It is then to set up the downlink with described terminal unit.Here customizing messages is primarily referred to as being transferred to core
Net and the information of core net meeting feedback data, after i.e. core net receives these customizing messages, can carry out descending
The transmission of data.Concrete, specific signaling information includes that LLC signaling is Routing Area Update request, and attach please
Ask, the signaling such as PDP activation request.Merit attention and be, foundation here and the downlink of terminal, specifically may be used
Think network side allocation of downlink Radio Resource, will by packet time slot reconfiguration message or grouping downlink assignment information
The downlink radio resource result of distribution is sent to terminal unit, thus sets up and faces with the descending of this terminal unit
Time block stream, complete the foundation of downlink.
Preferably, after above-mentioned steps S102, further comprise the steps of: to judge whether receive core in Preset Time
The downlink data instruction of net, if do not had, then removes the downlink pre-build.Owing to carrying out the most every time
All can there is downlink business when of packet uplink data service, and Radio Resource is the most all that comparison is tight
Lacking, therefore to sweetly disposition, the up-link that Radio Access Network side is actively initiated in terminal is set up
After establishing downlink, after a certain time, if also not receiving core-network side and having any descending simultaneously
The instruction of data, then remove pre-assigned downlink, does not continues to keep this terminal to take it,
So that other users use.It thus is avoided that and pre-builds that downlink causes too much taking resource and affecting network
The problem of performance.
Further, if not pre-building downlink or pre-building downlink, after tear open
Except downlink, have received the downlink data instruction that core net issues, then just carry out building of downlink
Vertical, carry out downlink data access and transmission by this downlink after foundation.So can avoid the most descending
Link causes the problem that downlink data cannot transmit.
Embodiment two
In order to present disclosure is described in more detail, the present embodiment combines the process of setting up of particularly line link and enters
Row describes in detail, and meriting attention is that the foundation being primarily directed to downlink in this example is described in detail
The downlink pre-build during i.e. the downlink in this example refers mainly to embodiment one, for descending chain
Road and carrying out downlink data access and transmitting as above-described embodiment by downlink.Below, in conjunction with
Fig. 2 and Fig. 3 is described in detail:
Fig. 2 is when packet uplink one step accesses, and carries out the flow chart of downlink data access and transmission, specifically
Including step:
Step S201: subscriber terminal equipment initiates CHANNEL REQUEST message (packet channel request)；
Step S202: the lateral subscriber terminal equipment of network sends PACKET UPLINK ASSIGNMENT message and (divides
Organize up appointment)；
In this step, network side is (network side for subscriber terminal equipment, at the present embodiment
Middle base station controller is i.e. that it in kind represents) receive message after, according to terminal use's ability with require that distribution is closed
Suitable user resources, then send PACKET UPLINK ASSIGNMENT message to subscriber terminal equipment and (divide
Organize up appointment), the Radio Resource that can use including terminal and the relevant parameter of up-link itself.
Step S203: subscriber terminal equipment sends the data comprising TLLI to network side；
In this step, after this subscriber terminal equipment receives up assignment messages, just wireless distribute for it
Channel sends upstream data.Situation about accessing owing to there may be numerous user to apply for simultaneously, causes network
Side does not knows which user is divided resource give on earth, and the data comprising user label are sent to net by terminal
Network side, if network side receives customer equipment identification (used here as TLLI, i.e. competing Conflict solving when
Temporary Logical Link Identifier TLLI), when network side receives terminal
It is considered as valid data after the first data comprising TLLI sent.
Step S204: after network side beams back PACKET UPLINK ACK message (packet uplink response), table
Showing competition Conflict solving, up-link has been set up；
Step S205: network side starts to set up in advance downlink.
In this step, concrete network side here can be base station controller BSC (Base Station
Contrller) allocation of downlink Radio Resource, then sends PACKET TIMESLOT to user terminal
RECONFIGURE (packet time slot reconfigures) or PACKET DOWNLINK ASSIGNMENT message (are divided
Group downstream assigned) set up descending TBF (Temporary Block Flow).
So, when BSC receives the instruction really having downlink data transmission, it is possible to directly use has been built
The downlink stood, saves resource distribution, assigns and the series flow process such as negotiation, access for downlink data
The time is saved with transmission.
Fig. 3 is when packet uplink two step accesses, and carries out the flow chart of downlink data access and transmission, specifically
Including step:
Step S301: subscriber terminal equipment initiates CHANNEL REQUEST message (packet channel request)；
Step S302: send PACKET UPLINK ASSIGNMENT message to user terminal and comprise a monolithic
Packet uplink assignment messages；
Step S303: terminal, after receiving up assignment messages, sends PACKET on this monolithic
RESOURCE REQUEST message (grouping resources request), this message carries TLLI and this user transmits data
Required specific requirement；
Step S304: after network side receives this message, suitably uses according to terminal use's ability and requirement distribution
Family resource, then replys PACKET UPLINK ASSIGNMENT packet uplink assignment messages, so far, up
Link establishment completes.
Step S305: network side starts to set up in advance downlink.
In this step, concrete network side here can be base station controller BSC (Base Station
Contrller) allocation of downlink Radio Resource, then sends PACKET TIMESLOT to user terminal
RECONFIGURE (packet time slot reconfigures) or PACKET DOWNLINK ASSIGNMENT message (are divided
Group downstream assigned) set up descending TBF (Temporary Block Flow).
So, when BSC receives the instruction really having downlink data transmission, it is possible to directly use has been built
The downlink stood, saves resource distribution, assigns and the series flow process such as negotiation, access for downlink data
The time is saved with transmission.
In advance allocation of downlink resources conservation turn-on time, resource is assigned the ineffective occupation of short time.For
Solve this problem, in the present embodiment, can process according to current network resources service condition.Example
As, start according to the number of users that takies on present channel and descending set up in advance, can arrange similar descending when setting up,
User's number can be concurrently accessed 1/2nd of user less than actual maximum and set to start and descending set up in advance.
Base station controller also can be used by obtaining the T bit on BSSGP head, and the T bit on BSSGP head is up
In link, the data of transmission indicate the flag of transmitted type at the BSSGP layer that agreement specifies, sentence
Whether fixed is LLC layer signaling, obtains LLC signaling information by the LLC type of fixed position, as LLC believes
Order is asked for Routing Area Update, attach request, during the signaling such as PDP activation request, enters and descending builds in advance
Vertical flow process, prepares downlink grouped resource, carries out downstream assigned, and descending LLC signaling is having after receiving immediately
Send data on distribution channel, reduce resource distribution and the allocation flow of wireless mouth.I.e. judge current transmission
Whether signaling information is specific signaling information, in this way, then sets up the downlink with terminal unit.Consider
Gb mouth is to connect the most at a high speed, and this mode is not result in the too much wasting of resources.LLC if up transmission
It is LLC layer data, it is also possible to consider so operation, but it is considered that under upper strata LLC might not have at once
Row LLC frame correspondence sends, and issues channel distribution and can cause taking too much the downlink radio resource of reality.?
In the case of this, only carry out the predistribution of downlink resource, wait after receiving the data that core net issues, enter immediately
Row is assigned, and issues data.
Embodiment three
The downlink data of the present embodiment accesses and transmitting device 401, including setting up module 4011 and transport module
4012: set up module 4011 for after setting up up-link with terminal unit, can pre-build and set with terminal
Standby downlink；Transport module 4012 is for when receiving downlink data access and the transmission that core network issues
During instruction, carry out downlink data access and transmission by downlink.
Concrete, set up module 4011 and be additionally operable to: directly set up the downlink with terminal unit；Or judge
Active user's number accesses number and can be accessed by whether number of users ratio is less than default ratio with maximum, in this way, then sets up
Default downlink with terminal unit；Or judge whether the data of current uplink transmission pass through particular end
Mouth transmits, and in this way, then sets up the default downlink with terminal unit.
Concrete, set up module 4011 and be additionally operable to: allocation of downlink Radio Resource；Letter is heavily joined by packet time slot
The downlink radio resource result of distribution is sent to described terminal unit by breath or grouping downlink assignment information.
Further, also include removing module 4013；Remove module 4013 for pre-building and terminal unit
Downlink after, it is judged that in Preset Time, whether receive the downlink data that core net issues access and pass
Defeated instruction, if do not had, then removes downlink.Certainly, also remove module to can be also used for working as downlink data
After accessing and being transmitted, it is not necessary to during downlink, remove downlink.
Further, set up module 4011 to be additionally operable to when receiving downlink data access and the transmission that core network issues
Instruction, downlink not in the presence of；Setting up the downlink with terminal unit, transport module 4012 is additionally operable to
Downlink data access and transmission is carried out by downlink.
One of ordinary skill in the art will appreciate that all or part of step in said method can be come by program
Instruction related hardware completes, and said procedure can be stored in computer-readable recording medium, such as read-only storage
Device, disk or CD etc..Alternatively, all or part of step of above-described embodiment can also use one or
Multiple integrated circuits realize.Correspondingly, each module/unit in above-described embodiment can use the shape of hardware
Formula realizes, it would however also be possible to employ the form of software function module realizes.The present invention is not restricted to any particular form
The combination of hardware and software.
Above example is only in order to illustrate technical scheme and unrestricted, reference only to preferred embodiment
The present invention has been described in detail.It will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention, all
Should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. a downlink data accesses and the method for transmission, it is characterised in that including:
After setting up up-link with terminal unit, pre-build and the downlink of described terminal unit；
When receiving the downlink data transmission instruction that core network issues, carry out descending by described downlink
Data access and transmission.
2. downlink data as claimed in claim 1 accesses and the method for transmission, it is characterised in that institute
State and pre-build that the downlink with described terminal unit includes:
Directly set up the downlink with described terminal unit；
Or
Judge that active user's number accesses number and maximum and whether can be accessed by number of users ratio less than presetting ratio, in this way,
Then set up the downlink with described terminal unit；
Or
Whether the signaling information judging current transmission is specific signaling information, in this way, then sets up and described terminal
The downlink of equipment.
3. downlink data as claimed in claim 2 accesses and the method for transmission, it is characterised in that institute
State the downlink set up with described terminal unit to include: allocation of downlink Radio Resource；By packet time slot weight
Join information or grouping downlink assignment information and the downlink radio resource result of distribution is sent to described terminal unit.
4. the downlink data as described in any one of claim 1-3 accesses and the method for transmission, its feature
Be, pre-build with the downlink of described terminal unit after, also include:
Judge in Preset Time, whether to receive the downlink data instruction that core net issues, if do not had, then remove
Described downlink.
5. downlink data as claimed in claim 4 accesses and the method for transmission, it is characterised in that when
Receive core network issue downlink data transmission instruction, downlink not in the presence of；Also include setting up and institute
State the downlink of terminal unit, carry out downlink data access and transmission by described downlink.
6. a downlink data accesses and the device of transmission, it is characterised in that include setting up module and biography
Defeated module:
Described module of setting up, for after setting up up-link with terminal unit, pre-builds and sets with described terminal
Standby downlink；
Described transport module is for when receiving the downlink data transmission instruction that core network issues, by described
Downlink carries out downlink data access and transmission.
7. downlink data as claimed in claim 6 accesses and the device of transmission, it is characterised in that institute
State and set up module and be additionally operable to:
Directly set up the downlink with described terminal unit；
Or
Judge that active user's number accesses number and maximum and whether can be accessed by number of users ratio less than presetting ratio, in this way,
Then set up the downlink with described terminal unit；
Or
Whether the signaling information judging current transmission is specific signaling information, in this way, then sets up and described terminal
The downlink of equipment.
8. downlink data as claimed in claim 7 accesses and the device of transmission, it is characterised in that institute
State and set up module and be additionally operable to: allocation of downlink Radio Resource；Referred to by packet time slot reconfiguration message or grouping downlink
Send information that the downlink radio resource result of distribution is sent to described terminal unit.
9. the downlink data as described in any one of claim 6-8 accesses and the device of transmission, its feature
Being, also include removing module, described dismounting module is for descending pre-build with described terminal unit
After link, it is judged that whether receive the downlink data instruction that core net issues in Preset Time, if do not had,
Then remove described downlink.
10. downlink data as claimed in claim 9 accesses and the device of transmission, it is characterised in that institute
State set up module be additionally operable to when receive core network issue downlink data transmission instruction, downlink does not exists
Time；Set up and the downlink of described terminal unit, by described downlink carry out downlink data access and
Transmission.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060715.0A CN105992388A (en) | 2015-02-05 | 2015-02-05 | Downlink data access and transmission method and apparatus |
| PCT/CN2015/089742 WO2016123981A1 (en) | 2015-02-05 | 2015-09-16 | Downlink data access and transmission method and apparatus, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060715.0A CN105992388A (en) | 2015-02-05 | 2015-02-05 | Downlink data access and transmission method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105992388A true CN105992388A (en) | 2016-10-05 |
Family
ID=56563400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060715.0A Withdrawn CN105992388A (en) | 2015-02-05 | 2015-02-05 | Downlink data access and transmission method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105992388A (en) |
| WO (1) | WO2016123981A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016123981A1 (en) | 2016-08-11 |
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